/*
  Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be>
  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
  Copyright (C) 2011 Yusuke Suzuki <utatane.tea@gmail.com>
  Copyright (C) 2011 Arpad Borsos <arpad.borsos@googlemail.com>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

var testFixture = {

    'Primary Expression': {

        'this\n': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'ThisExpression',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                },
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }],
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'this',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }]
        },

        'null\n': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: null,
                    raw: 'null',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                },
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }],
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            },
            tokens: [{
                type: 'Null',
                value: 'null',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }]
        },

        '\n    42\n\n': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 2, column: 4 },
                        end: { line: 2, column: 6 }
                    }
                },
                range: [5, 7],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                }
            }],
            range: [5, 7],
            loc: {
                start: { line: 2, column: 4 },
                end: { line: 2, column: 6 }
            },
            tokens: [{
                type: 'Numeric',
                value: '42',
                range: [5, 7],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                }
            }]
        },

        '(1 + 2 ) * 3': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '*',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [1, 2],
                        loc: {
                            start: { line: 1, column: 1 },
                            end: { line: 1, column: 2 }
                        }
                    },
                    right: {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [1, 6],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 6 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 3,
                    raw: '3',
                    range: [11, 12],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 12 }
                    }
                },
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        }

    },

    'Grouping Operator': {

        '(1) + (2  ) + 3': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [1, 2],
                        loc: {
                            start: { line: 1, column: 1 },
                            end: { line: 1, column: 2 }
                        }
                    },
                    right: {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [7, 8],
                        loc: {
                            start: { line: 1, column: 7 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    range: [0, 11],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 11 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 3,
                    raw: '3',
                    range: [14, 15],
                    loc: {
                        start: { line: 1, column: 14 },
                        end: { line: 1, column: 15 }
                    }
                },
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        '4 + 5 << (6)': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<<',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Literal',
                        value: 4,
                        raw: '4',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Literal',
                        value: 5,
                        raw: '5',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 6,
                    raw: '6',
                    range: [10, 11],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        }

    },

    'Array Initializer': {

        'x = []': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'AssignmentExpression',
                    operator: '=',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'ArrayExpression',
                        elements: [],
                        range: [4, 6],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [0, 6],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            }],
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            },
            tokens: [{
                type: 'Identifier',
                value: 'x',
                range: [0, 1],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [2, 3],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Punctuator',
                value: '[',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: ']',
                range: [5, 6],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 6 }
                }
            }]
        },

        'x = [ ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [4, 7],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x = [ 42 ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [{
                        type: 'Literal',
                        value: 42,
                        raw: '42',
                        range: [6, 8],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 8 }
                        }
                    }],
                    range: [4, 10],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 10 }
                    }
                },
                range: [0, 10],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 10 }
                }
            },
            range: [0, 10],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 10 }
            }
        },

        'x = [ 42, ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [{
                        type: 'Literal',
                        value: 42,
                        raw: '42',
                        range: [6, 8],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 8 }
                        }
                    }],
                    range: [4, 11],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'x = [ ,, 42 ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [
                        null,
                        null,
                        {
                            type: 'Literal',
                            value: 42,
                            raw: '42',
                            range: [9, 11],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 11 }
                            }
                        }],
                    range: [4, 13],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'x = [ 1, 2, 3, ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [{
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [6, 7],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 7 }
                        }
                    }, {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    }, {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [12, 13],
                        loc: {
                            start: { line: 1, column: 12 },
                            end: { line: 1, column: 13 }
                        }
                    }],
                    range: [4, 16],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                },
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        'x = [ 1, 2,, 3, ]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [{
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [6, 7],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 7 }
                        }
                    }, {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    }, null, {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [13, 14],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 14 }
                        }
                    }],
                    range: [4, 17],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        '日本語 = []': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: '日本語',
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [6, 8],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 8 }
                    }
                },
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'T\u203F = []': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'T\u203F',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'T\u200C = []': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'T\u200C',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'T\u200D = []': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'T\u200D',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '\u2163\u2161 = []': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: '\u2163\u2161',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '\u2163\u2161\u200A=\u2009[]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: '\u2163\u2161',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        }

    },

    'Object Initializer': {

        'x = {}': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [],
                    range: [4, 6],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x = { }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
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                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [17, 19],
                                loc: {
                                    start: { line: 1, column: 17 },
                                    end: { line: 1, column: 19 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [17, 19],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 19 }
                            }
                        },
                        kind: 'get',
                        method: false,
                        shorthand: false,
                        range: [6, 19],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 19 }
                        }
                    }],
                    range: [4, 21],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 21 }
                    }
                },
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 }
                }
            },
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            }
        },

        'x = { get "undef"() {} }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Literal',
                            value: 'undef',
                            raw: '"undef"',
                            range: [10, 17],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 17 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [20, 22],
                                loc: {
                                    start: { line: 1, column: 20 },
                                    end: { line: 1, column: 22 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [20, 22],
                            loc: {
                                start: { line: 1, column: 20 },
                                end: { line: 1, column: 22 }
                            }
                        },
                        kind: 'get',
                        method: false,
                        shorthand: false,
                        range: [6, 22],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 22 }
                        }
                    }],
                    range: [4, 24],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 24 }
                    }
                },
                range: [0, 24],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 24 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'x = { get 10() {} }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Literal',
                            value: 10,
                            raw: '10',
                            range: [10, 12],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [15, 17],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 17 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [15, 17],
                            loc: {
                                start: { line: 1, column: 15 },
                                end: { line: 1, column: 17 }
                            }
                        },
                        kind: 'get',
                        method: false,
                        shorthand: false,
                        range: [6, 17],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 17 }
                        }
                    }],
                    range: [4, 19],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 19 }
                    }
                },
                range: [0, 19],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 19 }
                }
            },
            range: [0, 19],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 19 }
            }
        },

        'x = { set width(w) { m_width = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'width',
                            range: [10, 15],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 15 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [16, 17],
                                loc: {
                                    start: { line: 1, column: 16 },
                                    end: { line: 1, column: 17 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_width',
                                            range: [21, 28],
                                            loc: {
                                                start: { line: 1, column: 21 },
                                                end: { line: 1, column: 28 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [31, 32],
                                            loc: {
                                                start: { line: 1, column: 31 },
                                                end: { line: 1, column: 32 }
                                            }
                                        },
                                        range: [21, 32],
                                        loc: {
                                            start: { line: 1, column: 21 },
                                            end: { line: 1, column: 32 }
                                        }
                                    },
                                    range: [21, 33],
                                    loc: {
                                        start: { line: 1, column: 21 },
                                        end: { line: 1, column: 33 }
                                    }
                                }],
                                range: [19, 34],
                                loc: {
                                    start: { line: 1, column: 19 },
                                    end: { line: 1, column: 34 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [19, 34],
                            loc: {
                                start: { line: 1, column: 19 },
                                end: { line: 1, column: 34 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 34],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 34 }
                        }
                    }],
                    range: [4, 36],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 36 }
                    }
                },
                range: [0, 36],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 36 }
                }
            },
            range: [0, 36],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 36 }
            }
        },

        'x = { set if(w) { m_if = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'if',
                            range: [10, 12],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [13, 14],
                                loc: {
                                    start: { line: 1, column: 13 },
                                    end: { line: 1, column: 14 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_if',
                                            range: [18, 22],
                                            loc: {
                                                start: { line: 1, column: 18 },
                                                end: { line: 1, column: 22 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [25, 26],
                                            loc: {
                                                start: { line: 1, column: 25 },
                                                end: { line: 1, column: 26 }
                                            }
                                        },
                                        range: [18, 26],
                                        loc: {
                                            start: { line: 1, column: 18 },
                                            end: { line: 1, column: 26 }
                                        }
                                    },
                                    range: [18, 27],
                                    loc: {
                                        start: { line: 1, column: 18 },
                                        end: { line: 1, column: 27 }
                                    }
                                }],
                                range: [16, 28],
                                loc: {
                                    start: { line: 1, column: 16 },
                                    end: { line: 1, column: 28 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [16, 28],
                            loc: {
                                start: { line: 1, column: 16 },
                                end: { line: 1, column: 28 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 28],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 28 }
                        }
                    }],
                    range: [4, 30],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 30 }
                    }
                },
                range: [0, 30],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 30 }
                }
            },
            range: [0, 30],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 30 }
            }
        },

        'x = { set true(w) { m_true = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'true',
                            range: [10, 14],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [15, 16],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 16 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_true',
                                            range: [20, 26],
                                            loc: {
                                                start: { line: 1, column: 20 },
                                                end: { line: 1, column: 26 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [29, 30],
                                            loc: {
                                                start: { line: 1, column: 29 },
                                                end: { line: 1, column: 30 }
                                            }
                                        },
                                        range: [20, 30],
                                        loc: {
                                            start: { line: 1, column: 20 },
                                            end: { line: 1, column: 30 }
                                        }
                                    },
                                    range: [20, 31],
                                    loc: {
                                        start: { line: 1, column: 20 },
                                        end: { line: 1, column: 31 }
                                    }
                                }],
                                range: [18, 32],
                                loc: {
                                    start: { line: 1, column: 18 },
                                    end: { line: 1, column: 32 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [18, 32],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 32 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 32],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 32 }
                        }
                    }],
                    range: [4, 34],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 34 }
                    }
                },
                range: [0, 34],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 34 }
                }
            },
            range: [0, 34],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 34 }
            }
        },

        'x = { set false(w) { m_false = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'false',
                            range: [10, 15],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 15 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [16, 17],
                                loc: {
                                    start: { line: 1, column: 16 },
                                    end: { line: 1, column: 17 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_false',
                                            range: [21, 28],
                                            loc: {
                                                start: { line: 1, column: 21 },
                                                end: { line: 1, column: 28 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [31, 32],
                                            loc: {
                                                start: { line: 1, column: 31 },
                                                end: { line: 1, column: 32 }
                                            }
                                        },
                                        range: [21, 32],
                                        loc: {
                                            start: { line: 1, column: 21 },
                                            end: { line: 1, column: 32 }
                                        }
                                    },
                                    range: [21, 33],
                                    loc: {
                                        start: { line: 1, column: 21 },
                                        end: { line: 1, column: 33 }
                                    }
                                }],
                                range: [19, 34],
                                loc: {
                                    start: { line: 1, column: 19 },
                                    end: { line: 1, column: 34 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [19, 34],
                            loc: {
                                start: { line: 1, column: 19 },
                                end: { line: 1, column: 34 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 34],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 34 }
                        }
                    }],
                    range: [4, 36],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 36 }
                    }
                },
                range: [0, 36],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 36 }
                }
            },
            range: [0, 36],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 36 }
            }
        },

        'x = { set null(w) { m_null = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'null',
                            range: [10, 14],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [15, 16],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 16 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_null',
                                            range: [20, 26],
                                            loc: {
                                                start: { line: 1, column: 20 },
                                                end: { line: 1, column: 26 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [29, 30],
                                            loc: {
                                                start: { line: 1, column: 29 },
                                                end: { line: 1, column: 30 }
                                            }
                                        },
                                        range: [20, 30],
                                        loc: {
                                            start: { line: 1, column: 20 },
                                            end: { line: 1, column: 30 }
                                        }
                                    },
                                    range: [20, 31],
                                    loc: {
                                        start: { line: 1, column: 20 },
                                        end: { line: 1, column: 31 }
                                    }
                                }],
                                range: [18, 32],
                                loc: {
                                    start: { line: 1, column: 18 },
                                    end: { line: 1, column: 32 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [18, 32],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 32 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 32],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 32 }
                        }
                    }],
                    range: [4, 34],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 34 }
                    }
                },
                range: [0, 34],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 34 }
                }
            },
            range: [0, 34],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 34 }
            }
        },

        'x = { set "null"(w) { m_null = w } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Literal',
                            value: 'null',
                            raw: '"null"',
                            range: [10, 16],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 16 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'w',
                                range: [17, 18],
                                loc: {
                                    start: { line: 1, column: 17 },
                                    end: { line: 1, column: 18 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [{
                                    type: 'ExpressionStatement',
                                    expression: {
                                        type: 'AssignmentExpression',
                                        operator: '=',
                                        left: {
                                            type: 'Identifier',
                                            name: 'm_null',
                                            range: [22, 28],
                                            loc: {
                                                start: { line: 1, column: 22 },
                                                end: { line: 1, column: 28 }
                                            }
                                        },
                                        right: {
                                            type: 'Identifier',
                                            name: 'w',
                                            range: [31, 32],
                                            loc: {
                                                start: { line: 1, column: 31 },
                                                end: { line: 1, column: 32 }
                                            }
                                        },
                                        range: [22, 32],
                                        loc: {
                                            start: { line: 1, column: 22 },
                                            end: { line: 1, column: 32 }
                                        }
                                    },
                                    range: [22, 33],
                                    loc: {
                                        start: { line: 1, column: 22 },
                                        end: { line: 1, column: 33 }
                                    }
                                }],
                                range: [20, 34],
                                loc: {
                                    start: { line: 1, column: 20 },
                                    end: { line: 1, column: 34 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [20, 34],
                            loc: {
                                start: { line: 1, column: 20 },
                                end: { line: 1, column: 34 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [6, 34],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 34 }
                        }
                    }],
                    range: [4, 36],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 36 }
                    }
                },
                range: [0, 36],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 36 }
                }
            },
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                        "start": {
                            "line": 1,
                            "column": 0
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                        "end": {
                            "line": 1,
                            "column": 28
                        }
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                }
            ],
            "range": [
                0,
                28
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            "loc": {
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            },
            "comments": [
                {
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                    "loc": {
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                        },
                        "end": {
                            "line": 1,
                            "column": 21
                        }
                    }
                }
            ]
        },

        '/* assignmenr */\n a = b': {
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                {
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                        "operator": "=",
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                            "range": [
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                                23
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                    "range": [
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            "loc": {
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                        "end": {
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                        }
                    }
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            ]
        },

        '42 /*The*/ /*Answer*/': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                range: [0, 21],
                loc: {
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                    end: { line: 1, column: 21 }
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            range: [0, 21],
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                type: 'Block',
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            }, {
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                range: [11, 21],
                loc: {
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                    end: { line: 1, column: 21 }
                }
            }]
        },

        '42 /*the*/ /*answer*/': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
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                    raw: '42',
                    range: [0, 2]
                },
                range: [0, 21]
            }],
            range: [0, 21],
            comments: [{
                type: 'Block',
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                range: [3, 10]
            }, {
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        },

        '42 /* the * answer */': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 42,
                raw: '42',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            }
        },

        '42 /* The * answer */': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                },
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 }
                }
            }],
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            },
            comments: [{
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                range: [3, 21],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 21 }
                }
            }]
        },

        '/* multiline\ncomment\nshould\nbe\nignored */ 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 42,
                raw: '42',
                range: [42, 44],
                loc: {
                    start: { line: 5, column: 11 },
                    end: { line: 5, column: 13 }
                }
            },
            range: [42, 44],
            loc: {
                start: { line: 5, column: 11 },
                end: { line: 5, column: 13 }
            }
        },

        '/*a\r\nb*/ 42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [9, 11],
                    loc: {
                        start: { line: 2, column: 4 },
                        end: { line: 2, column: 6 }
                    }
                },
                range: [9, 11],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                },
                leadingComments: [{
                    type: 'Block',
                    value: 'a\r\nb',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 2, column: 3 }
                    }
                }]
            }],
            range: [9, 11],
            loc: {
                start: { line: 2, column: 4 },
                end: { line: 2, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: 'a\r\nb',
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 3 }
                }
            }]
        },

        '/*a\rb*/ 42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [8, 10],
                    loc: {
                        start: { line: 2, column: 4 },
                        end: { line: 2, column: 6 }
                    }
                },
                range: [8, 10],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                }
            }],
            range: [8, 10],
            loc: {
                start: { line: 2, column: 4 },
                end: { line: 2, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: 'a\rb',
                range: [0, 7],
                loc: {
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                    end: { line: 2, column: 3 }
                }
            }]
        },

        '/*a\nb*/ 42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [8, 10],
                    loc: {
                        start: { line: 2, column: 4 },
                        end: { line: 2, column: 6 }
                    }
                },
                range: [8, 10],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                },
                leadingComments: [{
                    type: 'Block',
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                        end: { line: 2, column: 3 }
                    }
                }]
            }],
            range: [8, 10],
            loc: {
                start: { line: 2, column: 4 },
                end: { line: 2, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: 'a\nb',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 3 }
                }
            }]
        },

        '/*a\nc*/ 42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [8, 10],
                    loc: {
                        start: { line: 2, column: 4 },
                        end: { line: 2, column: 6 }
                    }
                },
                range: [8, 10],
                loc: {
                    start: { line: 2, column: 4 },
                    end: { line: 2, column: 6 }
                },
                leadingComments: [{
                    type: 'Block',
                    value: 'a\nc',
                    range: [0, 7],
                    loc: {
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                        end: { line: 2, column: 3 }
                    }
                }]
            }],
            range: [8, 10],
            loc: {
                start: { line: 2, column: 4 },
                end: { line: 2, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: 'a\nc',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 3 }
                }
            }]
        },

        '// one\\n': {
            type: 'Program',
            body: [],
            range: [8, 8],
            loc: {
                start: { line: 1, column: 8 },
                end: { line: 1, column: 8 }
            },
            leadingComments: [{
                type: 'Line',
                value: ' one\\n',
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            }],
            comments: [{
                type: 'Line',
                value: ' one\\n',
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            }]
        },

        '// line comment\n42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 42,
                raw: '42',
                range: [16, 18],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 2 }
                }
            },
            range: [16, 18],
            loc: {
                start: { line: 2, column: 0 },
                end: { line: 2, column: 2 }
            }
        },

        '42 // line comment': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    },
                    trailingComments: [{
                        type: 'Line',
                        value: ' line comment',
                        range: [3, 18],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 18 }
                        }
                    }]
                },
                range: [0, 18],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 18 }
                }
            }],
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            },
            comments: [{
                type: 'Line',
                value: ' line comment',
                range: [3, 18],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 18 }
                }
            }]
        },

        '// Hello, world!\n42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [17, 19],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 2 }
                    }
                },
                range: [17, 19],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 2 }
                },
                leadingComments: [{
                    type: 'Line',
                    value: ' Hello, world!',
                    range: [0, 16],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 16 }
                    }
                }]
            }],
            range: [17, 19],
            loc: {
                start: { line: 2, column: 0 },
                end: { line: 2, column: 2 }
            },
            comments: [{
                type: 'Line',
                value: ' Hello, world!',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        '// Hello, world!\n': {
            type: 'Program',
            body: [],
            range: [17, 17],
            loc: {
                start: { line: 2, column: 0 },
                end: { line: 2, column: 0 }
            },
            comments: [{
                type: 'Line',
                value: ' Hello, world!',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        '// Hallo, world!\n': {
            type: 'Program',
            body: [],
            loc: {
                start: { line: 2, column: 0 },
                end: { line: 2, column: 0 }
            },
            comments: [{
                type: 'Line',
                value: ' Hallo, world!',
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        '//\n42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [3, 5],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 2 }
                    }
                },
                range: [3, 5],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 2 }
                },
                leadingComments: [{
                    type: 'Line',
                    value: '',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    }
                }]
            }],
            range: [3, 5],
            loc: {
                start: { line: 2, column: 0 },
                end: { line: 2, column: 2 }
            },
            comments: [{
                type: 'Line',
                value: '',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            }]
        },

        '//': {
            type: 'Program',
            body: [],
            range: [2, 2],
            loc: {
                start: { line: 1, column: 2 },
                end: { line: 1, column: 2 }
            },
            comments: [{
                type: 'Line',
                value: '',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            }]
        },

        '// ': {
            type: 'Program',
            body: [],
            range: [3, 3],
            comments: [{
                type: 'Line',
                value: ' ',
                range: [0, 3]
            }]
        },

        '/**/42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [4, 6],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [4, 6],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 6 }
                },
                leadingComments: [{
                    type: 'Block',
                    value: '',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                }]
            }],
            range: [4, 6],
            loc: {
                start: { line: 1, column: 4 },
                end: { line: 1, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: '',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }]
        },

        '42/**/': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [0, 2],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 2 }
                    },
                    trailingComments: [{
                        type: 'Block',
                        value: '',
                        range: [2, 6],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 6 }
                        }
                    }]
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            }],
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            },
            comments: [{
                type: 'Block',
                value: '',
                range: [2, 6],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 6 }
                }
            }]
        },

        '// Hello, world!\n\n//   Another hello\n42': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [37, 39],
                    loc: {
                        start: { line: 4, column: 0 },
                        end: { line: 4, column: 2 }
                    }
                },
                range: [37, 39],
                loc: {
                    start: { line: 4, column: 0 },
                    end: { line: 4, column: 2 }
                },
                leadingComments: [{
                    type: 'Line',
                    value: ' Hello, world!',
                    range: [0, 16],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 16 }
                    }
                }, {
                    type: 'Line',
                    value: '   Another hello',
                    range: [18, 36],
                    loc: {
                        start: { line: 3, column: 0 },
                        end: { line: 3, column: 18 }
                    }
                }]
            }],
            range: [37, 39],
            loc: {
                start: { line: 4, column: 0 },
                end: { line: 4, column: 2 }
            },
            comments: [{
                type: 'Line',
                value: ' Hello, world!',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }, {
                type: 'Line',
                value: '   Another hello',
                range: [18, 36],
                loc: {
                    start: { line: 3, column: 0 },
                    end: { line: 3, column: 18 }
                }
            }]
        },

        'if (x) { doThat() // Some comment\n }': {
            type: 'Program',
            body: [{
                type: 'IfStatement',
                test: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                consequent: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'ExpressionStatement',
                        expression: {
                            type: 'CallExpression',
                            callee: {
                                type: 'Identifier',
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                                range: [9, 15],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 15 }
                                }
                            },
                            'arguments': [],
                            range: [9, 17],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 17 }
                            }
                        },
                        range: [9, 17],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 17 }
                        },
                        trailingComments: [{
                            type: 'Line',
                            value: ' Some comment',
                            range: [18, 33],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 33 }
                            }
                        }]
                    }],
                    range: [7, 36],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 2, column: 2 }
                    }
                },
                alternate: null,
                range: [0, 36],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 2 }
                }
            }],
            range: [0, 36],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 2 }
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            comments: [{
                type: 'Line',
                value: ' Some comment',
                range: [18, 33],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 33 }
                }
            }]
        },

        'if (x) { // Some comment\ndoThat(); }': {
            type: 'Program',
            body: [{
                type: 'IfStatement',
                test: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                consequent: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'ExpressionStatement',
                        expression: {
                            type: 'CallExpression',
                            callee: {
                                type: 'Identifier',
                                name: 'doThat',
                                range: [25, 31],
                                loc: {
                                    start: { line: 2, column: 0 },
                                    end: { line: 2, column: 6 }
                                }
                            },
                            'arguments': [],
                            range: [25, 33],
                            loc: {
                                start: { line: 2, column: 0 },
                                end: { line: 2, column: 8 }
                            }
                        },
                        range: [25, 34],
                        loc: {
                            start: { line: 2, column: 0 },
                            end: { line: 2, column: 9 }
                        },
                        leadingComments: [{
                            type: 'Line',
                            value: ' Some comment',
                            range: [9, 24],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 24 }
                            }
                        }]
                    }],
                    range: [7, 36],
                    loc: {
                        start: { line: 1, column: 7 },
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        'if (x) { /* Some comment */ doThat() }': {
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        'if (x) { doThat() /* Some comment */ }': {
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        'switch (answer) { case 42: /* perfect */ bingo() }': {
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        'switch (answer) { case 42: bingo() /* perfect */ }': {
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                    range: [18, 49],
                    loc: {
                        start: { line: 1, column: 18 },
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                range: [0, 50],
                loc: {
                    start: { line: 1, column: 0 },
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            range: [0, 50],
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            comments: [{
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        },

        '/* header */ (function(){ var version = 1; }).call(this)': {
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                        property: {
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                        range: [13, 50],
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                    'arguments': [{
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                    range: [13, 56],
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        '(function(){ var version = 1; /* sync */ }).call(this)': {
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                                        range: [17, 28],
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                                            start: { line: 1, column: 17 },
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                                        end: { line: 1, column: 29 }
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                                }],
                                range: [11, 42],
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                                    end: { line: 1, column: 42 }
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                            rest: null,
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                            range: [1, 42],
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                        property: {
                            type: 'Identifier',
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                    range: [0, 54],
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                range: [0, 54],
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        },

        'function f() { /* infinite */ while (true) { } /* bar */ var each; }': {
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                        end: { line: 1, column: 10 }
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                params: [],
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                body: {
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                        type: 'WhileStatement',
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                                end: { line: 1, column: 41 }
                            }
                        },
                        body: {
                            type: 'BlockStatement',
                            body: [],
                            range: [43, 46],
                            loc: {
                                start: { line: 1, column: 43 },
                                end: { line: 1, column: 46 }
                            }
                        },
                        range: [30, 46],
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                            start: { line: 1, column: 30 },
                            end: { line: 1, column: 46 }
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                            }
                        }]
                    }, {
                        type: 'VariableDeclaration',
                        declarations: [{
                            type: 'VariableDeclarator',
                            id: {
                                type: 'Identifier',
                                name: 'each',
                                range: [61, 65],
                                loc: {
                                    start: { line: 1, column: 61 },
                                    end: { line: 1, column: 65 }
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                            },
                            init: null,
                            range: [61, 65],
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                                start: { line: 1, column: 61 },
                                end: { line: 1, column: 65 }
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                        kind: 'var',
                        range: [57, 66],
                        loc: {
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                            end: { line: 1, column: 66 }
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                            type: 'Block',
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                    }],
                    range: [13, 68],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 68 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [0, 68],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 68 }
                }
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            range: [0, 68],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 68 }
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            comments: [{
                type: 'Block',
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            }, {
                type: 'Block',
                value: ' bar ',
                range: [47, 56],
                loc: {
                    start: { line: 1, column: 47 },
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        },

        '<!-- foo': {
            type: 'Program',
            body: [],
            comments: [{
                type: 'Line',
                value: ' foo'
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        },

        'var x = 1<!--foo': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
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                    type: 'VariableDeclarator',
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                        type: 'Identifier',
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                    init: {
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                        raw: '1'
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                }],
                kind: 'var'
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            comments: [{
                type: 'Line',
                value: 'foo'
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        },

        '--> comment': {
            type: 'Program',
            body: [],
            range: [11, 11],
            loc: {
                start: { line: 1, column: 11 },
                end: { line: 1, column: 11 }
            },
            comments: [{
                type: 'Line',
                value: ' comment',
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                loc: {
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            }]
        },

        '<!-- comment': {
            type: 'Program',
            body: [],
            range: [12, 12],
            loc: {
                start: { line: 1, column: 12 },
                end: { line: 1, column: 12 }
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            comments: [{
                type: 'Line',
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                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
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        },

        ' \t --> comment': {
            type: 'Program',
            body: [],
            range: [14, 14],
            loc: {
                start: { line: 1, column: 14 },
                end: { line: 1, column: 14 }
            },
            comments: [{
                type: 'Line',
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                range: [3, 14],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 14 }
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            }]
        },

        ' \t /* block comment */  --> comment': {
            type: 'Program',
            body: [],
            range: [35, 35],
            loc: {
                start: { line: 1, column: 35 },
                end: { line: 1, column: 35 }
            },
            comments: [{
                type: 'Block',
                value: ' block comment ',
                range: [3, 22],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 22 }
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            }, {
                type: 'Line',
                value: ' comment',
                range: [24, 35],
                loc: {
                    start: { line: 1, column: 24 },
                    end: { line: 1, column: 35 }
                }
            }]
        },

        '/* block comment */--> comment': {
            type: 'Program',
            body: [],
            range: [30, 30],
            loc: {
                start: { line: 1, column: 30 },
                end: { line: 1, column: 30 }
            },
            comments: [{
                type: 'Block',
                value: ' block comment ',
                range: [0, 19],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 19 }
                }
            }, {
                type: 'Line',
                value: ' comment',
                range: [19, 30],
                loc: {
                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 30 }
                }
            }]
        },

        '/* not comment*/; i-->0': {
            type: 'Program',
            body: [{
                type: 'EmptyStatement',
                range: [16, 17],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 17 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'BinaryExpression',
                    operator: '>',
                    left: {
                        type: 'UpdateExpression',
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                        argument: {
                            type: 'Identifier',
                            name: 'i',
                            range: [18, 19],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 19 }
                            }
                        },
                        prefix: false,
                        range: [18, 21],
                        loc: {
                            start: { line: 1, column: 18 },
                            end: { line: 1, column: 21 }
                        }
                    },
                    right: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [22, 23],
                        loc: {
                            start: { line: 1, column: 22 },
                            end: { line: 1, column: 23 }
                        }
                    },
                    range: [18, 23],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 23 }
                    }
                },
                range: [18, 23],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 23 }
                }
            }],
            range: [16, 23],
            loc: {
                start: { line: 1, column: 16 },
                end: { line: 1, column: 23 }
            },
            tokens: [{
                type: 'Punctuator',
                value: ';',
                range: [16, 17],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 17 }
                }
            }, {
                type: 'Identifier',
                value: 'i',
                range: [18, 19],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 19 }
                }
            }, {
                type: 'Punctuator',
                value: '--',
                range: [19, 21],
                loc: {
                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 21 }
                }
            }, {
                type: 'Punctuator',
                value: '>',
                range: [21, 22],
                loc: {
                    start: { line: 1, column: 21 },
                    end: { line: 1, column: 22 }
                }
            }, {
                type: 'Numeric',
                value: '0',
                range: [22, 23],
                loc: {
                    start: { line: 1, column: 22 },
                    end: { line: 1, column: 23 }
                }
            }]

        },

        'while (i-->0) {}': {
            type: 'WhileStatement',
            test: {
                type: 'BinaryExpression',
                operator: '>',
                left: {
                    type: 'UpdateExpression',
                    operator: '--',
                    argument: {
                        type: 'Identifier',
                        name: 'i',
                        range: [7, 8],
                        loc: {
                            start: { line: 1, column: 7 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    prefix: false,
                    range: [7, 10],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 10 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 0,
                    raw: '0',
                    range: [11, 12],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 12 }
                    }
                },
                range: [7, 12],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 12 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [],
                range: [14, 16],
                loc: {
                    start: { line: 1, column: 14 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '/*Venus*/ debugger; // Mars': {
            type: 'Program',
            body: [{
                type: 'DebuggerStatement',
                leadingComments: [{
                    type: 'Block',
                    value: 'Venus',
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    }
                }],
                trailingComments: [{
                    type: 'Line',
                    value: ' Mars',
                    range: [20, 27],
                    loc: {
                        start: { line: 1, column: 20 },
                        end: { line: 1, column: 27 }
                    }
                }],
                range: [10, 19],
                loc: {
                    start: { line: 1, column: 10 },
                    end: { line: 1, column: 19 }
                }
            }],
            comments: [{
                type: 'Block',
                value: 'Venus',
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            }, {
                type: 'Line',
                value: ' Mars',
                range: [20, 27],
                loc: {
                    start: { line: 1, column: 20 },
                    end: { line: 1, column: 27 }
                }
            }],
            range: [10, 19],
            loc: {
                start: { line: 1, column: 10 },
                end: { line: 1, column: 19 }
            }
        },

        'function x(){ /*Jupiter*/ return; /*Saturn*/}': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'x',
                range: [9, 10],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 10 }
                }
            },
            params: [],
            defaults: [],
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ReturnStatement',
                    argument: null,
                    range: [26, 33],
                    loc: {
                        start: { line: 1, column: 26 },
                        end: { line: 1, column: 33 }
                    }
                }],
                range: [12, 45],
                loc: {
                    start: { line: 1, column: 12 },
                    end: { line: 1, column: 45 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 45],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 45 }
            }
        }

    },

    'Numeric Literals': {

        '0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0',
                range: [0, 1],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            },
            range: [0, 1],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 1 }
            }
        },

        '42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 42,
                raw: '42',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '3': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 3,
                    raw: '3',
                    range: [0, 1]
                },
                range: [0, 1]
            }],
            range: [0, 1],
            tokens: [{
                type: 'Numeric',
                value: '3',
                range: [0, 1]
            }]
        },

        '5': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: 5,
                    raw: '5',
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            }],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 1 }
            },
            tokens: [{
                type: 'Numeric',
                value: '5',
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            }]
        },

        '.14': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0.14,
                raw: '.14',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '3.14159': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 3.14159,
                raw: '3.14159',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '6.02214179e+23': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 6.02214179e+23,
                raw: '6.02214179e+23',
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        '1.492417830e-10': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 1.49241783e-10,
                raw: '1.492417830e-10',
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        '0x0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0x0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0x0;': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0x0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '0e+100 ': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0e+100',
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '0e+100': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0e+100',
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        '0xabc': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0xabc,
                raw: '0xabc',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        '0xdef': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0xdef,
                raw: '0xdef',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        '0X1A': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0x1A,
                raw: '0X1A',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '0x10': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0x10,
                raw: '0x10',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '0x100': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0x100,
                raw: '0x100',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        '0X04': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0X04,
                raw: '0X04',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '02': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 2,
                raw: '02',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '012': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 10,
                raw: '012',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0012': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 10,
                raw: '0012',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '08': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 8,
                raw: '08',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '0008': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 8,
                raw: '0008',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '09': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 9,
                raw: '09',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '09.5': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 9.5,
                raw: '09.5',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        }

    },

    '[ES6] Binary Integer Literals': {

        '0b0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0b0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0b1': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 1,
                raw: '0b1',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0b10': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 2,
                raw: '0b10',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '0B0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0B0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0B1': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 1,
                raw: '0B1',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0B10': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 2,
                raw: '0B10',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        }

    },

    '[ES6] Octal Integer Literals': {

        '00': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '00',
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '0o0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0o0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        'function test() {\'use strict\'; 0o0; }': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'test',
                range: [9, 13],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 13 }
                }
            },
            params: [],
            defaults: [],
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 'use strict',
                        raw: '\'use strict\'',
                        range: [17, 29],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 29 }
                        }
                    },
                    range: [17, 30],
                    loc: {
                        start: { line: 1, column: 17 },
                        end: { line: 1, column: 30 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 0,
                        raw: '0o0',
                        range: [31, 34],
                        loc: {
                            start: { line: 1, column: 31 },
                            end: { line: 1, column: 34 }
                        }
                    },
                    range: [31, 35],
                    loc: {
                        start: { line: 1, column: 31 },
                        end: { line: 1, column: 35 }
                    }
                }],
                range: [16, 37],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 37 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 37],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 37 }
            }
        },

        '0o2': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 2,
                raw: '0o2',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '0o12': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 10,
                raw: '0o12',
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            },
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            }
        },

        '0O0': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 0,
                raw: '0O0',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        'function test() {\'use strict\'; 0O0; }': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'test',
                range: [9, 13],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 13 }
                }
            },
            params: [],
            defaults: [],
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 'use strict',
                        raw: '\'use strict\'',
                        range: [17, 29],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 29 }
                        }
                    },
                    range: [17, 30],
                    loc: {
                        start: { line: 1, column: 17 },
                        end: { line: 1, column: 30 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 0,
                        raw: '0O0',
                        range: [31, 34],
                        loc: {
                            start: { line: 1, column: 31 },
                            end: { line: 1, column: 34 }
                        }
                    },
                    range: [31, 35],
                    loc: {
                        start: { line: 1, column: 31 },
                        end: { line: 1, column: 35 }
                    }
                }],
                range: [16, 37],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 37 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 37],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 37 }
            }
        }

    },

    'String Literals': {

        '"Hello"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello',
                raw: '"Hello"',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '"\\n\\r\\t\\v\\b\\f\\\\\\\'\\"\\0"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: '\n\r\t\x0B\b\f\\\'"\x00',
                raw: '"\\n\\r\\t\\v\\b\\f\\\\\\\'\\"\\0"',
                range: [0, 22],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 22 }
            }
        },

        '"\\u0061"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'a',
                raw: '"\\u0061"',
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        '"\\x61"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'a',
                raw: '"\\x61"',
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        '"\\u00"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'u00',
                raw: '"\\u00"',
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        '"\\xt"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'xt',
                raw: '"\\xt"',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        '"Hello\\nworld"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\nworld',
                raw: '"Hello\\nworld"',
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        '"Hello\\\nworld"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Helloworld',
                raw: '"Hello\\\nworld"',
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 6 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 6 }
            }
        },

        '"Hello\\02World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u0002World',
                raw: '"Hello\\02World"',
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        '"Hello\\012World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u000AWorld',
                raw: '"Hello\\012World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\122World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\122World',
                raw: '"Hello\\122World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\0122World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u000A2World',
                raw: '"Hello\\0122World"',
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        '"Hello\\312World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u00CAWorld',
                raw: '"Hello\\312World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\412World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\412World',
                raw: '"Hello\\412World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\812World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello812World',
                raw: '"Hello\\812World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\712World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\712World',
                raw: '"Hello\\712World"',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        '"Hello\\0World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u0000World',
                raw: '"Hello\\0World"',
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        '"Hello\\\r\nworld"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Helloworld',
                raw: '"Hello\\\r\nworld"',
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 2, column: 6 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 6 }
            }
        },

        '"Hello\\1World"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: 'Hello\u0001World',
                raw: '"Hello\\1World"',
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        }
    },

    '[ES6] Unicode Code Point Escape Sequence': {

        '"\\u{714E}\\u{8336}"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: '\u714E\u8336',
                raw: '"\\u{714E}\\u{8336}"',
                range: [0, 18],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 18 }
                }
            },
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            }
        },

        '"\\u{20BB7}\\u{91CE}\\u{5BB6}"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Literal',
                value: '\ud842\udfb7\u91ce\u5bb6',
                raw: '"\\u{20BB7}\\u{91CE}\\u{5BB6}"',
                range: [0, 27],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 27 }
                }
            },
            range: [0, 27],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 27 }
            }
        },

        '"\\u{00000000034}"': {
            type: 'ExpressionStatement',
            expression: {
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                },
                type: 'Literal',
                value: '4',
                raw: '"\\u{00000000034}"'
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        }

    },

    'Regular Expression Literals': {

        '/p/;': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: '/p/',
                    raw: '/p/',
                    regex: {
                        pattern: 'p',
                        flags: ''
                    },
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                range: [0, 4],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 4 }
                }
            }],
            range: [0, 4],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 4 }
            },
            tokens: [{
                type: 'RegularExpression',
                value: '/p/',
                regex: {
                    pattern: 'p',
                    flags: ''
                },
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Punctuator',
                value: ';',
                range: [3, 4],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 4 }
                }
            }]
        },

        '[/q/]': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'ArrayExpression',
                    elements: [{
                        type: 'Literal',
                        value: '/q/',
                        raw: '/q/',
                        regex: {
                            pattern: 'q',
                            flags: ''
                        },
                        range: [1, 4],
                        loc: {
                            start: { line: 1, column: 1 },
                            end: { line: 1, column: 4 }
                        }
                    }],
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            }],
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            },
            tokens: [{
                type: 'Punctuator',
                value: '[',
                range: [0, 1],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            }, {
                type: 'RegularExpression',
                value: '/q/',
                regex: {
                    pattern: 'q',
                    flags: ''
                },
                range: [1, 4],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 4 }
                }
            }, {
                type: 'Punctuator',
                value: ']',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }]
        },

        'var x = /[a-z]/i': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: '/[a-z]/i',
                        raw: '/[a-z]/i',
                        regex: {
                            pattern: '[a-z]',
                            flags: 'i'
                        },
                        range: [8, 16],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    range: [4, 16],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                }],
                kind: 'var',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[a-z]/i',
                regex: {
                    pattern: '[a-z]',
                    flags: 'i'
                },
                range: [8, 16],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        'var x = /[a-z]/y': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: null,
                        raw: '/[a-z]/y',
                        regex: {
                            pattern: '[a-z]',
                            flags: 'y'
                        },
                        range: [8, 16],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    range: [4, 16],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                }],
                kind: 'var',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[a-z]/y',
                regex: {
                    pattern: '[a-z]',
                    flags: 'y'
                },
                range: [8, 16],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        'var x = /[a-z]/u': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: null,
                        raw: '/[a-z]/u',
                        regex: {
                            pattern: '[a-z]',
                            flags: 'u'
                        },
                        range: [8, 16],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    range: [4, 16],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                }],
                kind: 'var',
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[a-z]/u',
                regex: {
                    pattern: '[a-z]',
                    flags: 'u'
                },
                range: [8, 16],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        'var x = /[\\u{0000000000000061}-\\u{7A}]/u': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: null,
                        raw: '/[\\u{0000000000000061}-\\u{7A}]/u',
                        regex: {
                            pattern: '[\\u{0000000000000061}-\\u{7A}]',
                            flags: 'u'
                        },
                        range: [8, 40],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 40 }
                        }
                    },
                    range: [4, 40],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 40 }
                    }
                }],
                kind: 'var',
                range: [0, 40],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 40 }
                }
            }],
            range: [0, 40],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 40 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[\\u{0000000000000061}-\\u{7A}]/u',
                regex: {
                    pattern: '[\\u{0000000000000061}-\\u{7A}]',
                    flags: 'u'
                },
                range: [8, 40],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 40 }
                }
            }]
        },

        'var x = /\\u{110000}/u': {
            index: 21,
            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Invalid regular expression'
        },

        'var x = /[x-z]/i': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5]
                    },
                    init: {
                        type: 'Literal',
                        value: '/[x-z]/i',
                        raw: '/[x-z]/i',
                        regex: {
                            pattern: '[x-z]',
                            flags: 'i'
                        },
                        range: [8, 16]
                    },
                    range: [4, 16]
                }],
                kind: 'var',
                range: [0, 16]
            }],
            range: [0, 16],
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3]
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5]
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7]
            }, {
                type: 'RegularExpression',
                value: '/[x-z]/i',
                regex: {
                    pattern: '[x-z]',
                    flags: 'i'
                },
                range: [8, 16]
            }]
        },

        'var x = /[a-c]/i': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: '/[a-c]/i',
                        raw: '/[a-c]/i',
                        regex: {
                            pattern: '[a-c]',
                            flags: 'i'
                        },
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                }],
                kind: 'var',
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[a-c]/i',
                regex: {
                    pattern: '[a-c]',
                    flags: 'i'
                },
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 16 }
                }
            }]
        },

        'var x = /[P QR]/i': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: '/[P QR]/i',
                        raw: '/[P QR]/i',
                        regex: {
                            pattern: '[P QR]',
                            flags: 'i'
                        },
                        range: [8, 17],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 17 }
                        }
                    },
                    range: [4, 17],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 17 }
                    }
                }],
                kind: 'var',
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            }],
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[P QR]/i',
                regex: {
                    pattern: '[P QR]',
                    flags: 'i'
                },
                range: [8, 17],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 17 }
                }
            }]
        },

        'var x = /[\\]/]/': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: new RegExp('[\\]/]').toString(),
                        raw: '/[\\]/]/',
                        regex: {
                            pattern: '[\\]/]',
                            flags: ''
                        },
                        range: [8, 15],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 15 }
                        }
                    },
                    range: [4, 15],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 15 }
                    }
                }],
                kind: 'var',
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            }],
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/[\\]/]/',
                regex: {
                    pattern: '[\\]/]',
                    flags: ''
                },
                range: [8, 15],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 15 }
                }
            }]
        },

        'var x = /foo\\/bar/': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: '/foo\\/bar/',
                        raw: '/foo\\/bar/',
                        regex: {
                            pattern: 'foo\\/bar',
                            flags: ''
                        },
                        range: [8, 18],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [4, 18],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 18 }
                    }
                }],
                kind: 'var',
                range: [0, 18],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 18 }
                }
            }],
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/foo\\/bar/',
                regex: {
                    pattern: 'foo\\/bar',
                    flags: ''
                },
                range: [8, 18],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 18 }
                }
            }]
        },

        'var x = /=([^=\\s])+/g': {
            type: 'Program',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: '/=([^=\\s])+/g',
                        raw: '/=([^=\\s])+/g',
                        regex: {
                            pattern: '=([^=\\s])+',
                            flags: 'g'
                        },
                        range: [8, 21],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 21 }
                        }
                    },
                    range: [4, 21],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 21 }
                    }
                }],
                kind: 'var',
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 }
                }
            }],
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            },
            tokens: [{
                type: 'Keyword',
                value: 'var',
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'Identifier',
                value: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: 'Punctuator',
                value: '=',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: 'RegularExpression',
                value: '/=([^=\\s])+/g',
                regex: {
                    pattern: '=([^=\\s])+',
                    flags: 'g'
                },
                range: [8, 21],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 21 }
                }
            }]
        },

        'var x = /42/g.test': {
            type: 'VariableDeclaration',
            declarations: [{
                type: 'VariableDeclarator',
                id: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                init: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'Literal',
                        value: '/42/g',
                        raw: '/42/g',
                        regex: {
                            pattern: '42',
                            flags: 'g'
                        },
                        range: [8, 13],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 13 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'test',
                        range: [14, 18],
                        loc: {
                            start: { line: 1, column: 14 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [8, 18],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 18 }
                    }
                },
                range: [4, 18],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 18 }
                }
            }],
            kind: 'var',
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            }
        }

    },

    'Left-Hand-Side Expression': {

        'new Button': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'Identifier',
                    name: 'Button',
                    range: [4, 10],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 10 }
                    }
                },
                'arguments': [],
                range: [0, 10],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 10 }
                }
            },
            range: [0, 10],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 10 }
            }
        },

        'new Button()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'Identifier',
                    name: 'Button',
                    range: [4, 10],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 10 }
                    }
                },
                'arguments': [],
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        },

        'new new foo': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'NewExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [8, 11],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    'arguments': [],
                    range: [4, 11],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 11 }
                    }
                },
                'arguments': [],
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'new new foo()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'NewExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [8, 11],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    'arguments': [],
                    range: [4, 13],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 13 }
                    }
                },
                'arguments': [],
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'new foo().bar()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'NewExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'foo',
                            range: [4, 7],
                            loc: {
                                start: { line: 1, column: 4 },
                                end: { line: 1, column: 7 }
                            }
                        },
                        'arguments': [],
                        range: [0, 9],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [10, 13],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 13 }
                        }
                    },
                    range: [0, 13],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 13 }
                    }
                },
                'arguments': [],
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        'new foo[bar]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'MemberExpression',
                    computed: true,
                    object: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [4, 7],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [8, 11],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    range: [4, 12],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 12 }
                    }
                },
                'arguments': [],
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        },

        'new foo.bar()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [4, 7],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [8, 11],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    range: [4, 11],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 11 }
                    }
                },
                'arguments': [],
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        '( new foo).bar()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'NewExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'foo',
                            range: [6, 9],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 9 }
                            }
                        },
                        'arguments': [],
                        range: [2, 9],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [11, 14],
                        loc: {
                            start: { line: 1, column: 11 },
                            end: { line: 1, column: 14 }
                        }
                    },
                    range: [0, 14],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 14 }
                    }
                },
                'arguments': [],
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        'foo(bar, baz)': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'Identifier',
                    name: 'foo',
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                'arguments': [{
                    type: 'Identifier',
                    name: 'bar',
                    range: [4, 7],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 7 }
                    }
                }, {
                    type: 'Identifier',
                    name: 'baz',
                    range: [9, 12],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 12 }
                    }
                }],
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        '(    foo  )()': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'Identifier',
                    name: 'foo',
                    range: [5, 8],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 8 }
                    }
                },
                'arguments': [],
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'universe.milkyway': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'milkyway',
                    range: [9, 17],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        'universe.milkyway.solarsystem': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'Identifier',
                        name: 'universe',
                        range: [0, 8],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'milkyway',
                        range: [9, 17],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 17 }
                        }
                    },
                    range: [0, 17],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 17 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'solarsystem',
                    range: [18, 29],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 29 }
                    }
                },
                range: [0, 29],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 29 }
                }
            },
            range: [0, 29],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 29 }
            }
        },

        'universe.milkyway.solarsystem.Earth': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'MemberExpression',
                        computed: false,
                        object: {
                            type: 'Identifier',
                            name: 'universe',
                            range: [0, 8],
                            loc: {
                                start: { line: 1, column: 0 },
                                end: { line: 1, column: 8 }
                            }
                        },
                        property: {
                            type: 'Identifier',
                            name: 'milkyway',
                            range: [9, 17],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 17 }
                            }
                        },
                        range: [0, 17],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 17 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'solarsystem',
                        range: [18, 29],
                        loc: {
                            start: { line: 1, column: 18 },
                            end: { line: 1, column: 29 }
                        }
                    },
                    range: [0, 29],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 29 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'Earth',
                    range: [30, 35],
                    loc: {
                        start: { line: 1, column: 30 },
                        end: { line: 1, column: 35 }
                    }
                },
                range: [0, 35],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 35 }
                }
            },
            range: [0, 35],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 35 }
            }
        },

        'universe[galaxyName, otherUselessName]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: true,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'SequenceExpression',
                    expressions: [{
                        type: 'Identifier',
                        name: 'galaxyName',
                        range: [9, 19],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 19 }
                        }
                    }, {
                        type: 'Identifier',
                        name: 'otherUselessName',
                        range: [21, 37],
                        loc: {
                            start: { line: 1, column: 21 },
                            end: { line: 1, column: 37 }
                        }
                    }],
                    range: [9, 37],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 37 }
                    }
                },
                range: [0, 38],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 38 }
                }
            },
            range: [0, 38],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 38 }
            }
        },

        'universe[galaxyName]': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: true,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'galaxyName',
                    range: [9, 19],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 19 }
                    }
                },
                range: [0, 20],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 20 }
                }
            },
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        'universe[42].galaxies': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'MemberExpression',
                    computed: true,
                    object: {
                        type: 'Identifier',
                        name: 'universe',
                        range: [0, 8],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    property: {
                        type: 'Literal',
                        value: 42,
                        raw: '42',
                        range: [9, 11],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    range: [0, 12],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 12 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'galaxies',
                    range: [13, 21],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 21 }
                    }
                },
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 }
                }
            },
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            }
        },

        'universe(42).galaxies': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'universe',
                        range: [0, 8],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    'arguments': [{
                        type: 'Literal',
                        value: 42,
                        raw: '42',
                        range: [9, 11],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 11 }
                        }
                    }],
                    range: [0, 12],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 12 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'galaxies',
                    range: [13, 21],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 21 }
                    }
                },
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 }
                }
            },
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            }
        },

        'universe(42).galaxies(14, 3, 77).milkyway': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'CallExpression',
                    callee: {
                        type: 'MemberExpression',
                        computed: false,
                        object: {
                            type: 'CallExpression',
                            callee: {
                                type: 'Identifier',
                                name: 'universe',
                                range: [0, 8],
                                loc: {
                                    start: { line: 1, column: 0 },
                                    end: { line: 1, column: 8 }
                                }
                            },
                            'arguments': [{
                                type: 'Literal',
                                value: 42,
                                raw: '42',
                                range: [9, 11],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 11 }
                                }
                            }],
                            range: [0, 12],
                            loc: {
                                start: { line: 1, column: 0 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        property: {
                            type: 'Identifier',
                            name: 'galaxies',
                            range: [13, 21],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 21 }
                            }
                        },
                        range: [0, 21],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 21 }
                        }
                    },
                    'arguments': [{
                        type: 'Literal',
                        value: 14,
                        raw: '14',
                        range: [22, 24],
                        loc: {
                            start: { line: 1, column: 22 },
                            end: { line: 1, column: 24 }
                        }
                    }, {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [26, 27],
                        loc: {
                            start: { line: 1, column: 26 },
                            end: { line: 1, column: 27 }
                        }
                    }, {
                        type: 'Literal',
                        value: 77,
                        raw: '77',
                        range: [29, 31],
                        loc: {
                            start: { line: 1, column: 29 },
                            end: { line: 1, column: 31 }
                        }
                    }],
                    range: [0, 32],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 32 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'milkyway',
                    range: [33, 41],
                    loc: {
                        start: { line: 1, column: 33 },
                        end: { line: 1, column: 41 }
                    }
                },
                range: [0, 41],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 41 }
                }
            },
            range: [0, 41],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 41 }
            }
        },

        'earth.asia.Indonesia.prepareForElection(2014)': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'MemberExpression',
                    computed: false,
                    object: {
                        type: 'MemberExpression',
                        computed: false,
                        object: {
                            type: 'MemberExpression',
                            computed: false,
                            object: {
                                type: 'Identifier',
                                name: 'earth',
                                range: [0, 5],
                                loc: {
                                    start: { line: 1, column: 0 },
                                    end: { line: 1, column: 5 }
                                }
                            },
                            property: {
                                type: 'Identifier',
                                name: 'asia',
                                range: [6, 10],
                                loc: {
                                    start: { line: 1, column: 6 },
                                    end: { line: 1, column: 10 }
                                }
                            },
                            range: [0, 10],
                            loc: {
                                start: { line: 1, column: 0 },
                                end: { line: 1, column: 10 }
                            }
                        },
                        property: {
                            type: 'Identifier',
                            name: 'Indonesia',
                            range: [11, 20],
                            loc: {
                                start: { line: 1, column: 11 },
                                end: { line: 1, column: 20 }
                            }
                        },
                        range: [0, 20],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 20 }
                        }
                    },
                    property: {
                        type: 'Identifier',
                        name: 'prepareForElection',
                        range: [21, 39],
                        loc: {
                            start: { line: 1, column: 21 },
                            end: { line: 1, column: 39 }
                        }
                    },
                    range: [0, 39],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 39 }
                    }
                },
                'arguments': [{
                    type: 'Literal',
                    value: 2014,
                    raw: '2014',
                    range: [40, 44],
                    loc: {
                        start: { line: 1, column: 40 },
                        end: { line: 1, column: 44 }
                    }
                }],
                range: [0, 45],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 45 }
                }
            },
            range: [0, 45],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 45 }
            }
        },

        'universe.if': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'if',
                    range: [9, 11],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'universe.true': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'true',
                    range: [9, 13],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'universe.false': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'false',
                    range: [9, 14],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 14 }
                    }
                },
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        'universe.null': {
            type: 'ExpressionStatement',
            expression: {
                type: 'MemberExpression',
                computed: false,
                object: {
                    type: 'Identifier',
                    name: 'universe',
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    }
                },
                property: {
                    type: 'Identifier',
                    name: 'null',
                    range: [9, 13],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        }

    },

    'Postfix Expressions': {

        'x++': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                prefix: false,
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        'x--': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                prefix: false,
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        'eval++': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                },
                prefix: false,
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'eval--': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                },
                prefix: false,
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'arguments++': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    }
                },
                prefix: false,
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'arguments--': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    }
                },
                prefix: false,
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        }

    },

    'Unary Operators': {

        '++x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [2, 3],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 3 }
                    }
                },
                prefix: true,
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '--x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [2, 3],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 3 }
                    }
                },
                prefix: true,
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            },
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            }
        },

        '++eval': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [2, 6],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 6 }
                    }
                },
                prefix: true,
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        '--eval': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [2, 6],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 6 }
                    }
                },
                prefix: true,
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        '++arguments': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [2, 11],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 11 }
                    }
                },
                prefix: true,
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        '--arguments': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UpdateExpression',
                operator: '--',
                argument: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [2, 11],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 11 }
                    }
                },
                prefix: true,
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        '+x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: '+',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                },
                prefix: true,
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '-x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: '-',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                },
                prefix: true,
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '~x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: '~',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                },
                prefix: true,
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        '!x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: '!',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                },
                prefix: true,
                range: [0, 2],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 2 }
                }
            },
            range: [0, 2],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 2 }
            }
        },

        'void x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: 'void',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                prefix: true,
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'delete x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: 'delete',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [7, 8],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 8 }
                    }
                },
                prefix: true,
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'typeof x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'UnaryExpression',
                operator: 'typeof',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [7, 8],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 8 }
                    }
                },
                prefix: true,
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        }

    },

    'Multiplicative Operators': {

        'x * y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '*',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x / y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '/',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x % y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '%',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        }

    },

    'Additive Operators': {

        'x + y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x - y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '-',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        '"use strict" + 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'Literal',
                    value: 'use strict',
                    raw: '"use strict"',
                    range: [0, 12],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 12 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [15, 17],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        }

    },

    'Bitwise Shift Operator': {

        'x << y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x >> y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '>>',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x >>> y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '>>>',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [6, 7],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        }

    },

    'Relational Operators': {

        'x < y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x > y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '>',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x <= y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x >= y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '>=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x in y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: 'in',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x instanceof y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: 'instanceof',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [13, 14],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 14 }
                    }
                },
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        'x < y < z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'BinaryExpression',
                    operator: '<',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        }

    },

    'Equality Operators': {

        'x == y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '==',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x != y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '!=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x === y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '===',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [6, 7],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x !== y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '!==',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [6, 7],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        }

    },

    'Binary Bitwise Operators': {

        'x & y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '&',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x ^ y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '^',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        },

        'x | y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '|',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            }
        }

    },

    'Binary Expressions': {

        'x + y + z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x - y + z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'BinaryExpression',
                    operator: '-',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x + y - z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '-',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x - y - z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '-',
                left: {
                    type: 'BinaryExpression',
                    operator: '-',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x + y * z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '*',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    range: [4, 9],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x + y / z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '/',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    range: [4, 9],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x - y % z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '-',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '%',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    range: [4, 9],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x * y * z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '*',
                left: {
                    type: 'BinaryExpression',
                    operator: '*',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x * y / z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '/',
                left: {
                    type: 'BinaryExpression',
                    operator: '*',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x * y % z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '%',
                left: {
                    type: 'BinaryExpression',
                    operator: '*',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x % y * z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '*',
                left: {
                    type: 'BinaryExpression',
                    operator: '%',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x << y << z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '<<',
                left: {
                    type: 'BinaryExpression',
                    operator: '<<',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [0, 6],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 6 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [10, 11],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'x | y | z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '|',
                left: {
                    type: 'BinaryExpression',
                    operator: '|',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x & y & z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '&',
                left: {
                    type: 'BinaryExpression',
                    operator: '&',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x ^ y ^ z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '^',
                left: {
                    type: 'BinaryExpression',
                    operator: '^',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x & y | z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '|',
                left: {
                    type: 'BinaryExpression',
                    operator: '&',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x | y ^ z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '|',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '^',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    range: [4, 9],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x | y & z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '|',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '&',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    },
                    range: [4, 9],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        }

    },

    'Binary Logical Operators': {

        'x || y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '||',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x && y': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '&&',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'x || y || z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '||',
                left: {
                    type: 'LogicalExpression',
                    operator: '||',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [0, 6],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 6 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [10, 11],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'x && y && z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '&&',
                left: {
                    type: 'LogicalExpression',
                    operator: '&&',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [0, 6],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 6 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [10, 11],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'x || y && z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '||',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'LogicalExpression',
                    operator: '&&',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [10, 11],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 11 }
                        }
                    },
                    range: [5, 11],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'x || y ^ z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '||',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'BinaryExpression',
                    operator: '^',
                    left: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'z',
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    },
                    range: [5, 10],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 10 }
                    }
                },
                range: [0, 10],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 10 }
                }
            },
            range: [0, 10],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 10 }
            }
        }

    },

    'Conditional Operator': {

        'y ? 1 : 2': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ConditionalExpression',
                test: {
                    type: 'Identifier',
                    name: 'y',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                consequent: {
                    type: 'Literal',
                    value: 1,
                    raw: '1',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                alternate: {
                    type: 'Literal',
                    value: 2,
                    raw: '2',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x && y ? 1 : 2': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ConditionalExpression',
                test: {
                    type: 'LogicalExpression',
                    operator: '&&',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    range: [0, 6],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 6 }
                    }
                },
                consequent: {
                    type: 'Literal',
                    value: 1,
                    raw: '1',
                    range: [9, 10],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 10 }
                    }
                },
                alternate: {
                    type: 'Literal',
                    value: 2,
                    raw: '2',
                    range: [13, 14],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 14 }
                    }
                },
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },
        'x = (0) ? 1 : 2' : {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [ 0, 1 ],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ConditionalExpression',
                    test: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [ 5, 6 ],
                        loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } }
                    },
                    consequent: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [ 10, 11 ],
                        loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } }
                    },
                    alternate: {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [ 14, 15 ],
                        loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }
                    },
                    range: [ 4, 15 ],
                    loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 15 } }
                },
                range: [ 0, 15 ],
                loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } }
            },
            range: [ 0, 15 ],
            loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } }
        }
    },

    '[ES6] Arrow Function': {

        '() => "test"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 'test',
                    raw: '"test"',
                    range: [6, 12],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 12 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        },

        'e => "test"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'e',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 'test',
                    raw: '"test"',
                    range: [5, 11],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 11 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 11],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        '(e) => "test"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'e',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 'test',
                    raw: '"test"',
                    range: [7, 13],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 13 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        '(a, b) => "test"': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'a',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }, {
                    type: 'Identifier',
                    name: 'b',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 'test',
                    raw: '"test"',
                    range: [10, 16],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 16 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            },
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            }
        },

        'e => { 42; }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'e',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'ExpressionStatement',
                        expression: {
                            type: 'Literal',
                            value: 42,
                            raw: '42',
                            range: [7, 9],
                            loc: {
                                start: { line: 1, column: 7 },
                                end: { line: 1, column: 9 }
                            }
                        },
                        range: [7, 10],
                        loc: {
                            start: { line: 1, column: 7 },
                            end: { line: 1, column: 10 }
                        }
                    }],
                    range: [5, 12],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 12 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        },

        'e => ({ property: 42 })': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'e',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'property',
                            range: [8, 16],
                            loc: {
                                start: { line: 1, column: 8 },
                                end: { line: 1, column: 16 }
                            }
                        },
                        value: {
                            type: 'Literal',
                            value: 42,
                            raw: '42',
                            range: [18, 20],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 20 }
                            }
                        },
                        kind: 'init',
                        method: false,
                        shorthand: false,
                        range: [8, 20],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 20 }
                        }
                    }],
                    range: [6, 22],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 22 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 23],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 23 }
                }
            },
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 23 }
            }
        },

        // Not an object!
        'e => { label: 42 }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'e',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'LabeledStatement',
                        label: {
                            type: 'Identifier',
                            name: 'label',
                            range: [7, 12],
                            loc: {
                                start: { line: 1, column: 7 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        body: {
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Literal',
                                value: 42,
                                raw: '42',
                                range: [14, 16],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 16 }
                                }
                            },
                            range: [14, 17],
                            loc: {
                                start: { line: 1, column: 14 },
                                end: { line: 1, column: 17 }
                            }
                        },
                        range: [7, 17],
                        loc: {
                            start: { line: 1, column: 7 },
                            end: { line: 1, column: 17 }
                        }
                    }],
                    range: [5, 18],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 18 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [0, 18],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 18 }
                }
            },
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            }
        },

        '(a, b) => { 42; }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'a',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }, {
                    type: 'Identifier',
                    name: 'b',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'ExpressionStatement',
                        expression: {
                            type: 'Literal',
                            value: 42,
                            raw: '42',
                            range: [12, 14],
                            loc: {
                                start: { line: 1, column: 12 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        range: [12, 15],
                        loc: {
                            start: { line: 1, column: 12 },
                            end: { line: 1, column: 15 }
                        }
                    }],
                    range: [10, 17],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 17 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        '(x=1) => x * x': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }],
                defaults: [{
                    type: 'Literal',
                    value: 1,
                    raw: '1',
                    range: [3, 4],
                    loc: {
                        start: { line: 1, column: 3 },
                        end: { line: 1, column: 4 }
                    }
                }],
                body: {
                    type: 'BinaryExpression',
                    operator: '*',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'x',
                        range: [13, 14],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 14 }
                        }
                    },
                    range: [9, 14],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 14 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        // not strict mode, using eval
        'eval => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'eval',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [8, 10],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 10 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 10],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 10 }
                }
            },
            range: [0, 10],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 10 }
            }
        },

        // not strict mode, using arguments
        'arguments => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'arguments',
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [13, 15],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 15 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        // not strict mode, using octals
        '(a) => 00': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'a',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 0,
                    raw: '00',
                    range: [7, 9],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 9 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        // not strict mode, using eval, IsSimpleParameterList is true
        '(eval, a) => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'eval',
                    range: [1, 5],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 5 }
                    }
                }, {
                    type: 'Identifier',
                    name: 'a',
                    range: [7, 8],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 8 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [13, 15],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 15 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 15],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        },

        // not strict mode, assigning to eval
        '(eval = 10) => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'eval',
                    range: [1, 5],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 5 }
                    }
                }],
                defaults: [{
                    type: 'Literal',
                    value: 10,
                    raw: '10',
                    range: [8, 10],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 10 }
                    }
                }],
                body: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [15, 17],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 17 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        // not strict mode, using eval, IsSimpleParameterList is false
        '(eval, a = 10) => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'eval',
                    range: [1, 5],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 5 }
                    }
                }, {
                    type: 'Identifier',
                    name: 'a',
                    range: [7, 8],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 8 }
                    }
                }],
                defaults: [null, {
                    type: 'Literal',
                    value: 10,
                    raw: '10',
                    range: [11, 13],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 13 }
                    }
                }],
                body: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [18, 20],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 20 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 20],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 20 }
                }
            },
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        '(x => x)': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'Identifier',
                    name: 'x',
                    range: [6, 7],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 7 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [1, 7],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'x => y => 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'ArrowFunctionExpression',
                    id: null,
                    params: [{
                        type: 'Identifier',
                        name: 'y',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    }],
                    defaults: [],
                    body: {
                        type: 'Literal',
                        value: 42,
                        raw: '42',
                        range: [10, 12],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 12 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: true,
                    range: [5, 12],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 12 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        },

        '(x) => ((y, z) => (x, y, z))': {
            type: 'ExpressionStatement',
            expression: {
                type: 'ArrowFunctionExpression',
                id: null,
                params: [{
                    type: 'Identifier',
                    name: 'x',
                    range: [1, 2],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 2 }
                    }
                }],
                defaults: [],
                body: {
                    type: 'ArrowFunctionExpression',
                    id: null,
                    params: [{
                        type: 'Identifier',
                        name: 'y',
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    }, {
                        type: 'Identifier',
                        name: 'z',
                        range: [12, 13],
                        loc: {
                            start: { line: 1, column: 12 },
                            end: { line: 1, column: 13 }
                        }
                    }],
                    defaults: [],
                    body: {
                        type: 'SequenceExpression',
                        expressions: [{
                            type: 'Identifier',
                            name: 'x',
                            range: [19, 20],
                            loc: {
                                start: { line: 1, column: 19 },
                                end: { line: 1, column: 20 }
                            }
                        }, {
                            type: 'Identifier',
                            name: 'y',
                            range: [22, 23],
                            loc: {
                                start: { line: 1, column: 22 },
                                end: { line: 1, column: 23 }
                            }
                        }, {
                            type: 'Identifier',
                            name: 'z',
                            range: [25, 26],
                            loc: {
                                start: { line: 1, column: 25 },
                                end: { line: 1, column: 26 }
                            }
                        }],
                        range: [19, 26],
                        loc: {
                            start: { line: 1, column: 19 },
                            end: { line: 1, column: 26 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: true,
                    range: [8, 27],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 27 }
                    }
                },
                rest: null,
                generator: false,
                expression: true,
                range: [0, 28],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 28 }
                }
            },
            range: [0, 28],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 28 }
            }
        },

        'foo(() => {})': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'Identifier',
                    name: 'foo',
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                'arguments': [{
                    type: 'ArrowFunctionExpression',
                    id: null,
                    params: [],
                    defaults: [],
                    body: {
                        type: 'BlockStatement',
                        body: [],
                        range: [10, 12],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 12 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [4, 12],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 12 }
                    }
                }],
                range: [0, 13],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'foo((x, y) => {})': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'Identifier',
                    name: 'foo',
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                'arguments': [{
                    type: 'ArrowFunctionExpression',
                    id: null,
                    params: [{
                        type: 'Identifier',
                        name: 'x',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    }, {
                        type: 'Identifier',
                        name: 'y',
                        range: [8, 9],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 9 }
                        }
                    }],
                    defaults: [],
                    body: {
                        type: 'BlockStatement',
                        body: [],
                        range: [14, 16],
                        loc: {
                            start: { line: 1, column: 14 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [4, 16],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 16 }
                    }
                }],
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        '(sun) => earth': {
            type: "Program",
            body: [{
                type: "ExpressionStatement",
                expression: {
                    type: "ArrowFunctionExpression",
                    id: null,
                    params: [{
                        type: "Identifier",
                        name: "sun",
                        range: [1, 4],
                        loc: {
                            start: { line: 1, column: 1 },
                            end: { line: 1, column: 4 }
                        }
                    }],
                    defaults: [],
                    body: {
                        type: "Identifier",
                        name: "earth",
                        range: [9, 14],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 14 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: true,
                    range: [0, 14],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 14 }
                    }
                },
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            }],
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            },
            tokens: [{
                type: "Punctuator",
                value: "(",
                range: [0, 1],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 1 }
                }
            }, {
                type: "Identifier",
                value: "sun",
                range: [1, 4],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 4 }
                }
            }, {
                type: "Punctuator",
                value: ")",
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: "Punctuator",
                value: "=>",
                range: [6, 8],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 8 }
                }
            }, {
                type: "Identifier",
                value: "earth",
                range: [9, 14],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 14 }
                }
            }]
        }

    },

    '[ES6] Method Definition': {

        'x = { method() { } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'method',
                            range: [6, 12],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [15, 18],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 18 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [15, 18],
                            loc: {
                                start: { line: 1, column: 15 },
                                end: { line: 1, column: 18 }
                            }
                        },
                        kind: 'init',
                        method: true,
                        shorthand: false,
                        range: [6, 18],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 18 }
                        }
                    }],
                    range: [4, 20],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 20 }
                    }
                },
                range: [0, 20],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 20 }
                }
            },
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        'x = { method(test) { } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'method',
                            range: [6, 12],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 12 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'test',
                                range: [13, 17],
                                loc: {
                                    start: { line: 1, column: 13 },
                                    end: { line: 1, column: 17 }
                                }
                            }],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [19, 22],
                                loc: {
                                    start: { line: 1, column: 19 },
                                    end: { line: 1, column: 22 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [19, 22],
                            loc: {
                                start: { line: 1, column: 19 },
                                end: { line: 1, column: 22 }
                            }
                        },
                        kind: 'init',
                        method: true,
                        shorthand: false,
                        range: [6, 22],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 22 }
                        }
                    }],
                    range: [4, 24],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 24 }
                    }
                },
                range: [0, 24],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 24 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'x = { \'method\'() { } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Literal',
                            value: 'method',
                            raw: '\'method\'',
                            range: [6, 14],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [17, 20],
                                loc: {
                                    start: { line: 1, column: 17 },
                                    end: { line: 1, column: 20 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [17, 20],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 20 }
                            }
                        },
                        kind: 'init',
                        method: true,
                        shorthand: false,
                        range: [6, 20],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 20 }
                        }
                    }],
                    range: [4, 22],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 22 }
                    }
                },
                range: [0, 22],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 22 }
            }
        },

        'x = { get() { } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'get',
                            range: [6, 9],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 9 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [12, 15],
                                loc: {
                                    start: { line: 1, column: 12 },
                                    end: { line: 1, column: 15 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [12, 15],
                            loc: {
                                start: { line: 1, column: 12 },
                                end: { line: 1, column: 15 }
                            }
                        },
                        kind: 'init',
                        method: true,
                        shorthand: false,
                        range: [6, 15],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 15 }
                        }
                    }],
                    range: [4, 17],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        },

        'x = { set() { } }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'set',
                            range: [6, 9],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 9 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [],
                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [12, 15],
                                loc: {
                                    start: { line: 1, column: 12 },
                                    end: { line: 1, column: 15 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [12, 15],
                            loc: {
                                start: { line: 1, column: 12 },
                                end: { line: 1, column: 15 }
                            }
                        },
                        kind: 'init',
                        method: true,
                        shorthand: false,
                        range: [6, 15],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 15 }
                        }
                    }],
                    range: [4, 17],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            }
        }

    },

    '[ES6] Object Literal Property Value Shorthand': {

        'x = { y, z }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'y',
                            range: [6, 7],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 7 }
                            }
                        },
                        value: {
                            type: 'Identifier',
                            name: 'y',
                            range: [6, 7],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 7 }
                            }
                        },
                        kind: 'init',
                        method: false,
                        shorthand: true,
                        range: [6, 7],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 7 }
                        }
                    }, {
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'z',
                            range: [9, 10],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 10 }
                            }
                        },
                        value: {
                            type: 'Identifier',
                            name: 'z',
                            range: [9, 10],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 10 }
                            }
                        },
                        kind: 'init',
                        method: false,
                        shorthand: true,
                        range: [9, 10],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 10 }
                        }
                    }],
                    range: [4, 12],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 12 }
                    }
                },
                range: [0, 12],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 12 }
                }
            },
            range: [0, 12],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 12 }
            }
        }
    },

    'Assignment Operators': {

        'x = 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [4, 6],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 6 }
                    }
                },
                range: [0, 6],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 6 }
                }
            },
            range: [0, 6],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 6 }
            }
        },

        'eval = 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [0, 4],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 4 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [7, 9],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'arguments = 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [12, 14],
                    loc: {
                        start: { line: 1, column: 12 },
                        end: { line: 1, column: 14 }
                    }
                },
                range: [0, 14],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 14 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        'x *= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '*=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x /= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '/=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x %= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '%=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x += 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '+=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x -= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '-=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x <<= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '<<=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [6, 8],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 8 }
                    }
                },
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'x >>= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '>>=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [6, 8],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 8 }
                    }
                },
                range: [0, 8],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'x >>>= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '>>>=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [7, 9],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'x &= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '&=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x ^= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '^=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        'x |= 42': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '|=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [5, 7],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 7 }
                    }
                },
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        }

    },

    'Complex Expression': {

        'a || b && c | d ^ e & f == g < h >>> i + j * k': {
            type: 'ExpressionStatement',
            expression: {
                type: 'LogicalExpression',
                operator: '||',
                left: {
                    type: 'Identifier',
                    name: 'a',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'LogicalExpression',
                    operator: '&&',
                    left: {
                        type: 'Identifier',
                        name: 'b',
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        }
                    },
                    right: {
                        type: 'BinaryExpression',
                        operator: '|',
                        left: {
                            type: 'Identifier',
                            name: 'c',
                            range: [10, 11],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 11 }
                            }
                        },
                        right: {
                            type: 'BinaryExpression',
                            operator: '^',
                            left: {
                                type: 'Identifier',
                                name: 'd',
                                range: [14, 15],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 15 }
                                }
                            },
                            right: {
                                type: 'BinaryExpression',
                                operator: '&',
                                left: {
                                    type: 'Identifier',
                                    name: 'e',
                                    range: [18, 19],
                                    loc: {
                                        start: { line: 1, column: 18 },
                                        end: { line: 1, column: 19 }
                                    }
                                },
                                right: {
                                    type: 'BinaryExpression',
                                    operator: '==',
                                    left: {
                                        type: 'Identifier',
                                        name: 'f',
                                        range: [22, 23],
                                        loc: {
                                            start: { line: 1, column: 22 },
                                            end: { line: 1, column: 23 }
                                        }
                                    },
                                    right: {
                                        type: 'BinaryExpression',
                                        operator: '<',
                                        left: {
                                            type: 'Identifier',
                                            name: 'g',
                                            range: [27, 28],
                                            loc: {
                                                start: { line: 1, column: 27 },
                                                end: { line: 1, column: 28 }
                                            }
                                        },
                                        right: {
                                            type: 'BinaryExpression',
                                            operator: '>>>',
                                            left: {
                                                type: 'Identifier',
                                                name: 'h',
                                                range: [31, 32],
                                                loc: {
                                                    start: { line: 1, column: 31 },
                                                    end: { line: 1, column: 32 }
                                                }
                                            },
                                            right: {
                                                type: 'BinaryExpression',
                                                operator: '+',
                                                left: {
                                                    type: 'Identifier',
                                                    name: 'i',
                                                    range: [37, 38],
                                                    loc: {
                                                        start: { line: 1, column: 37 },
                                                        end: { line: 1, column: 38 }
                                                    }
                                                },
                                                right: {
                                                    type: 'BinaryExpression',
                                                    operator: '*',
                                                    left: {
                                                        type: 'Identifier',
                                                        name: 'j',
                                                        range: [41, 42],
                                                        loc: {
                                                            start: { line: 1, column: 41 },
                                                            end: { line: 1, column: 42 }
                                                        }
                                                    },
                                                    right: {
                                                        type: 'Identifier',
                                                        name: 'k',
                                                        range: [45, 46],
                                                        loc: {
                                                            start: { line: 1, column: 45 },
                                                            end: { line: 1, column: 46 }
                                                        }
                                                    },
                                                    range: [41, 46],
                                                    loc: {
                                                        start: { line: 1, column: 41 },
                                                        end: { line: 1, column: 46 }
                                                    }
                                                },
                                                range: [37, 46],
                                                loc: {
                                                    start: { line: 1, column: 37 },
                                                    end: { line: 1, column: 46 }
                                                }
                                            },
                                            range: [31, 46],
                                            loc: {
                                                start: { line: 1, column: 31 },
                                                end: { line: 1, column: 46 }
                                            }
                                        },
                                        range: [27, 46],
                                        loc: {
                                            start: { line: 1, column: 27 },
                                            end: { line: 1, column: 46 }
                                        }
                                    },
                                    range: [22, 46],
                                    loc: {
                                        start: { line: 1, column: 22 },
                                        end: { line: 1, column: 46 }
                                    }
                                },
                                range: [18, 46],
                                loc: {
                                    start: { line: 1, column: 18 },
                                    end: { line: 1, column: 46 }
                                }
                            },
                            range: [14, 46],
                            loc: {
                                start: { line: 1, column: 14 },
                                end: { line: 1, column: 46 }
                            }
                        },
                        range: [10, 46],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 46 }
                        }
                    },
                    range: [5, 46],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 46 }
                    }
                },
                range: [0, 46],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 46 }
                }
            },
            range: [0, 46],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 46 }
            }
        }

    },

    'Block': {

        '{ foo }': {
            type: 'BlockStatement',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'foo',
                    range: [2, 5],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 5 }
                    }
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                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '\\u0061a': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Identifier',
                name: 'aa',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 7],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 7 }
            }
        },

        '\\u0061a ': {
            type: 'ExpressionStatement',
            expression: {
                type: 'Identifier',
                name: 'aa',
                range: [0, 7],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        }
    },

    'If Statement': {

        'if (morning) goodMorning()': {
            type: 'IfStatement',
            test: {
                type: 'Identifier',
                name: 'morning',
                range: [4, 11],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 11 }
                }
            },
            consequent: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'goodMorning',
                        range: [13, 24],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 24 }
                        }
                    },
                    'arguments': [],
                    range: [13, 26],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 26 }
                    }
                },
                range: [13, 26],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 26 }
                }
            },
            alternate: null,
            range: [0, 26],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 26 }
            }
        },

        'if (morning) (function(){})': {
            type: 'IfStatement',
            test: {
                type: 'Identifier',
                name: 'morning',
                range: [4, 11],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 11 }
                }
            },
            consequent: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'FunctionExpression',
                    id: null,
                    params: [],
                    defaults: [],
                    body: {
                        type: 'BlockStatement',
                        body: [],
                        range: [24, 26],
                        loc: {
                            start: { line: 1, column: 24 },
                            end: { line: 1, column: 26 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [14, 26],
                    loc: {
                        start: { line: 1, column: 14 },
                        end: { line: 1, column: 26 }
                    }
                },
                range: [13, 27],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 27 }
                }
            },
            alternate: null,
            range: [0, 27],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 27 }
            }
        },

        'if (morning) var x = 0;': {
            type: 'IfStatement',
            test: {
                type: 'Identifier',
                name: 'morning',
                range: [4, 11],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 11 }
                }
            },
            consequent: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [17, 18],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [21, 22],
                        loc: {
                            start: { line: 1, column: 21 },
                            end: { line: 1, column: 22 }
                        }
                    },
                    range: [17, 22],
                    loc: {
                        start: { line: 1, column: 17 },
                        end: { line: 1, column: 22 }
                    }
                }],
                kind: 'var',
                range: [13, 23],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 23 }
                }
            },
            alternate: null,
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 23 }
            }
        },

        'if (morning) function a(){}': {
            type: 'IfStatement',
            test: {
                type: 'Identifier',
                name: 'morning',
                range: [4, 11],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 11 }
                }
            },
            consequent: {
                type: 'FunctionDeclaration',
                id: {
                    type: 'Identifier',
                    name: 'a',
                    range: [22, 23],
                    loc: {
                        start: { line: 1, column: 22 },
                        end: { line: 1, column: 23 }
                    }
                },
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [25, 27],
                    loc: {
                        start: { line: 1, column: 25 },
                        end: { line: 1, column: 27 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [13, 27],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 27 }
                }
            },
            alternate: null,
            range: [0, 27],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 27 }
            }
        },

        'if (morning) goodMorning(); else goodDay()': {
            type: 'IfStatement',
            test: {
                type: 'Identifier',
                name: 'morning',
                range: [4, 11],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 11 }
                }
            },
            consequent: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'goodMorning',
                        range: [13, 24],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 24 }
                        }
                    },
                    'arguments': [],
                    range: [13, 26],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 26 }
                    }
                },
                range: [13, 27],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 27 }
                }
            },
            alternate: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'goodDay',
                        range: [33, 40],
                        loc: {
                            start: { line: 1, column: 33 },
                            end: { line: 1, column: 40 }
                        }
                    },
                    'arguments': [],
                    range: [33, 42],
                    loc: {
                        start: { line: 1, column: 33 },
                        end: { line: 1, column: 42 }
                    }
                },
                range: [33, 42],
                loc: {
                    start: { line: 1, column: 33 },
                    end: { line: 1, column: 42 }
                }
            },
            range: [0, 42],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 42 }
            }
        },

        'if (true) that()\n; else;': {
            type: "IfStatement",
            test: {
                type: "Literal",
                value: true,
                raw: "true",
                range: [4, 8],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 8 }
                }
            },
            consequent: {
                type: "ExpressionStatement",
                expression: {
                    type: "CallExpression",
                    callee: {
                        type: "Identifier",
                        name: "that",
                        range: [10, 14],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 14 }
                        }
                    },
                    "arguments": [],
                    range: [10, 16],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 16 }
                    }
                },
                range: [10, 18],
                loc: {
                    start: { line: 1, column: 10 },
                    end: { line: 2, column: 1 }
                }
            },
            alternate: {
                type: "EmptyStatement",
                range: [23, 24],
                loc: {
                    start: { line: 2, column: 6 },
                    end: { line: 2, column: 7 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 7 }
            }
        },

        'if (true) that(); else;': {
            type: "IfStatement",
            test: {
                type: "Literal",
                value: true,
                raw: "true",
                range: [4, 8],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 8 }
                }
            },
            consequent: {
                type: "ExpressionStatement",
                expression: {
                    type: "CallExpression",
                    callee: {
                        type: "Identifier",
                        name: "that",
                        range: [10, 14],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 14 }
                        }
                    },
                    "arguments": [],
                    range: [10, 16],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 16 }
                    }
                },
                range: [10, 17],
                loc: {
                    start: { line: 1, column: 10 },
                    end: { line: 1, column: 17 }
                }
            },
            alternate: {
                type: "EmptyStatement",
                range: [22, 23],
                loc: {
                    start: { line: 1, column: 22 },
                    end: { line: 1, column: 23 }
                }
            },
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 23 }
            }
        }

    },

    'Iteration Statements': {

        'do keep(); while (true)': {
            type: 'DoWhileStatement',
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'keep',
                        range: [3, 7],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    'arguments': [],
                    range: [3, 9],
                    loc: {
                        start: { line: 1, column: 3 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [3, 10],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 10 }
                }
            },
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [18, 22],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 23 }
            }
        },

        'do keep(); while (true);': {
            type: 'DoWhileStatement',
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'keep',
                        range: [3, 7],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    'arguments': [],
                    range: [3, 9],
                    loc: {
                        start: { line: 1, column: 3 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [3, 10],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 10 }
                }
            },
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [18, 22],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'do { x++; y--; } while (x < 10)': {
            type: 'DoWhileStatement',
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'UpdateExpression',
                        operator: '++',
                        argument: {
                            type: 'Identifier',
                            name: 'x',
                            range: [5, 6],
                            loc: {
                                start: { line: 1, column: 5 },
                                end: { line: 1, column: 6 }
                            }
                        },
                        prefix: false,
                        range: [5, 8],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 8 }
                        }
                    },
                    range: [5, 9],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 9 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'UpdateExpression',
                        operator: '--',
                        argument: {
                            type: 'Identifier',
                            name: 'y',
                            range: [10, 11],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 11 }
                            }
                        },
                        prefix: false,
                        range: [10, 13],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 13 }
                        }
                    },
                    range: [10, 14],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 14 }
                    }
                }],
                range: [3, 16],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 16 }
                }
            },
            test: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [24, 25],
                    loc: {
                        start: { line: 1, column: 24 },
                        end: { line: 1, column: 25 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 10,
                    raw: '10',
                    range: [28, 30],
                    loc: {
                        start: { line: 1, column: 28 },
                        end: { line: 1, column: 30 }
                    }
                },
                range: [24, 30],
                loc: {
                    start: { line: 1, column: 24 },
                    end: { line: 1, column: 30 }
                }
            },
            range: [0, 31],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 31 }
            }
        },

        '{ do { } while (false) false }': {
            type: 'BlockStatement',
            body: [{
                type: 'DoWhileStatement',
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [5, 8],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 8 }
                    }
                },
                test: {
                    type: 'Literal',
                    value: false,
                    raw: 'false',
                    range: [16, 21],
                    loc: {
                        start: { line: 1, column: 16 },
                        end: { line: 1, column: 21 }
                    }
                },
                range: [2, 22],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 22 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Literal',
                    value: false,
                    raw: 'false',
                    range: [23, 28],
                    loc: {
                        start: { line: 1, column: 23 },
                        end: { line: 1, column: 28 }
                    }
                },
                range: [23, 29],
                loc: {
                    start: { line: 1, column: 23 },
                    end: { line: 1, column: 29 }
                }
            }],
            range: [0, 30],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 30 }
            }
        },

        'do that();while (true)': {
            type: "DoWhileStatement",
            body: {
                type: "ExpressionStatement",
                expression: {
                    type: "CallExpression",
                    callee: {
                        type: "Identifier",
                        name: "that",
                        range: [3, 7],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    "arguments": [],
                    range: [3, 9],
                    loc: {
                        start: { line: 1, column: 3 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [3, 10],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 1, column: 10 }
                }
            },
            test: {
                type: "Literal",
                value: true,
                raw: "true",
                range: [17, 21],
                loc: {
                    start: { line: 1, column: 17 },
                    end: { line: 1, column: 21 }
                }
            },
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 22 }
            }
        },

        'do that()\n;while (true)': {
            type: "DoWhileStatement",
            body: {
                type: "ExpressionStatement",
                expression: {
                    type: "CallExpression",
                    callee: {
                        type: "Identifier",
                        name: "that",
                        range: [3, 7],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    "arguments": [],
                    range: [3, 9],
                    loc: {
                        start: { line: 1, column: 3 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [3, 11],
                loc: {
                    start: { line: 1, column: 3 },
                    end: { line: 2, column: 1 }
                }
            },
            test: {
                type: "Literal",
                value: true,
                raw: "true",
                range: [18, 22],
                loc: {
                    start: { line: 2, column: 8 },
                    end: { line: 2, column: 12 }
                }
            },
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 13 }
            }
        },

        'while (true) doSomething()': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'doSomething',
                        range: [13, 24],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 24 }
                        }
                    },
                    'arguments': [],
                    range: [13, 26],
                    loc: {
                        start: { line: 1, column: 13 },
                        end: { line: 1, column: 26 }
                    }
                },
                range: [13, 26],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 1, column: 26 }
                }
            },
            range: [0, 26],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 26 }
            }
        },

        'while (x < 10) { x++; y--; }': {
            type: 'WhileStatement',
            test: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [7, 8],
                    loc: {
                        start: { line: 1, column: 7 },
                        end: { line: 1, column: 8 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 10,
                    raw: '10',
                    range: [11, 13],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [7, 13],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 13 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'UpdateExpression',
                        operator: '++',
                        argument: {
                            type: 'Identifier',
                            name: 'x',
                            range: [17, 18],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 18 }
                            }
                        },
                        prefix: false,
                        range: [17, 20],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 20 }
                        }
                    },
                    range: [17, 21],
                    loc: {
                        start: { line: 1, column: 17 },
                        end: { line: 1, column: 21 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'UpdateExpression',
                        operator: '--',
                        argument: {
                            type: 'Identifier',
                            name: 'y',
                            range: [22, 23],
                            loc: {
                                start: { line: 1, column: 22 },
                                end: { line: 1, column: 23 }
                            }
                        },
                        prefix: false,
                        range: [22, 25],
                        loc: {
                            start: { line: 1, column: 22 },
                            end: { line: 1, column: 25 }
                        }
                    },
                    range: [22, 26],
                    loc: {
                        start: { line: 1, column: 22 },
                        end: { line: 1, column: 26 }
                    }
                }],
                range: [15, 28],
                loc: {
                    start: { line: 1, column: 15 },
                    end: { line: 1, column: 28 }
                }
            },
            range: [0, 28],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 28 }
            }
        },

        'for(;;);': {
            type: 'ForStatement',
            init: null,
            test: null,
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [7, 8],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 8 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'for(;;){}': {
            type: 'ForStatement',
            init: null,
            test: null,
            update: null,
            body: {
                type: 'BlockStatement',
                body: [],
                range: [7, 9],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 9 }
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            }
        },

        'for(x = 0;;);': {
            type: 'ForStatement',
            init: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 0,
                    raw: '0',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [4, 9],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 9 }
                }
            },
            test: null,
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [12, 13],
                loc: {
                    start: { line: 1, column: 12 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'for(var x = 0;;);': {
            type: 'ForStatement',
            init: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
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                        loc: {
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                            end: { line: 1, column: 9 }
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                    },
                    init: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [12, 13],
                        loc: {
                            start: { line: 1, column: 12 },
                            end: { line: 1, column: 13 }
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                    },
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
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                }],
                kind: 'var',
                range: [4, 13],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 13 }
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            },
            test: null,
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [16, 17],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
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        },

        'for(let x = 0;;);': {
            type: 'ForStatement',
            init: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
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                    },
                    init: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [12, 13],
                        loc: {
                            start: { line: 1, column: 12 },
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                    },
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
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                }],
                kind: 'let',
                range: [4, 13],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 13 }
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            },
            test: null,
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [16, 17],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 17 }
                }
            },
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
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        },

        'for(var x = 0, y = 1;;);': {
            type: 'ForStatement',
            init: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
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                    },
                    init: {
                        type: 'Literal',
                        value: 0,
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                        range: [12, 13],
                        loc: {
                            start: { line: 1, column: 12 },
                            end: { line: 1, column: 13 }
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                    },
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
                    }
                }, {
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'y',
                        range: [15, 16],
                        loc: {
                            start: { line: 1, column: 15 },
                            end: { line: 1, column: 16 }
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                    },
                    init: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [19, 20],
                        loc: {
                            start: { line: 1, column: 19 },
                            end: { line: 1, column: 20 }
                        }
                    },
                    range: [15, 20],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 20 }
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                }],
                kind: 'var',
                range: [4, 20],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 20 }
                }
            },
            test: null,
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [23, 24],
                loc: {
                    start: { line: 1, column: 23 },
                    end: { line: 1, column: 24 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'for(x = 0; x < 42;);': {
            type: 'ForStatement',
            init: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 0,
                    raw: '0',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [4, 9],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 9 }
                }
            },
            test: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [11, 12],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 12 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [15, 17],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [11, 17],
                loc: {
                    start: { line: 1, column: 11 },
                    end: { line: 1, column: 17 }
                }
            },
            update: null,
            body: {
                type: 'EmptyStatement',
                range: [19, 20],
                loc: {
                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 20 }
                }
            },
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        'for(x = 0; x < 42; x++);': {
            type: 'ForStatement',
            init: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 0,
                    raw: '0',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [4, 9],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 9 }
                }
            },
            test: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [11, 12],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 12 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [15, 17],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [11, 17],
                loc: {
                    start: { line: 1, column: 11 },
                    end: { line: 1, column: 17 }
                }
            },
            update: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [19, 20],
                    loc: {
                        start: { line: 1, column: 19 },
                        end: { line: 1, column: 20 }
                    }
                },
                prefix: false,
                range: [19, 22],
                loc: {
                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 22 }
                }
            },
            body: {
                type: 'EmptyStatement',
                range: [23, 24],
                loc: {
                    start: { line: 1, column: 23 },
                    end: { line: 1, column: 24 }
                }
            },
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'for(x = 0; x < 42; x++) process(x);': {
            type: 'ForStatement',
            init: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 0,
                    raw: '0',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 }
                    }
                },
                range: [4, 9],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 9 }
                }
            },
            test: {
                type: 'BinaryExpression',
                operator: '<',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [11, 12],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 12 }
                    }
                },
                right: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [15, 17],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 17 }
                    }
                },
                range: [11, 17],
                loc: {
                    start: { line: 1, column: 11 },
                    end: { line: 1, column: 17 }
                }
            },
            update: {
                type: 'UpdateExpression',
                operator: '++',
                argument: {
                    type: 'Identifier',
                    name: 'x',
                    range: [19, 20],
                    loc: {
                        start: { line: 1, column: 19 },
                        end: { line: 1, column: 20 }
                    }
                },
                prefix: false,
                range: [19, 22],
                loc: {
                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 22 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
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                        range: [24, 31],
                        loc: {
                            start: { line: 1, column: 24 },
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                        }
                    },
                    'arguments': [{
                        type: 'Identifier',
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                        range: [32, 33],
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                            end: { line: 1, column: 33 }
                        }
                    }],
                    range: [24, 34],
                    loc: {
                        start: { line: 1, column: 24 },
                        end: { line: 1, column: 34 }
                    }
                },
                range: [24, 35],
                loc: {
                    start: { line: 1, column: 24 },
                    end: { line: 1, column: 35 }
                }
            },
            range: [0, 35],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 35 }
            }
        },

        'for(x in list) process(x);': {
            type: 'ForInStatement',
            left: {
                type: 'Identifier',
                name: 'x',
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
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            },
            right: {
                type: 'Identifier',
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                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 13 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
                    callee: {
                        type: 'Identifier',
                        name: 'process',
                        range: [15, 22],
                        loc: {
                            start: { line: 1, column: 15 },
                            end: { line: 1, column: 22 }
                        }
                    },
                    'arguments': [{
                        type: 'Identifier',
                        name: 'x',
                        range: [23, 24],
                        loc: {
                            start: { line: 1, column: 23 },
                            end: { line: 1, column: 24 }
                        }
                    }],
                    range: [15, 25],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 25 }
                    }
                },
                range: [15, 26],
                loc: {
                    start: { line: 1, column: 15 },
                    end: { line: 1, column: 26 }
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            },
            each: false,
            range: [0, 26],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 26 }
            }
        },

        'for (var x in list) process(x);': {
            type: 'ForInStatement',
            left: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [9, 10],
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                            end: { line: 1, column: 10 }
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                    init: null,
                    range: [9, 10],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 10 }
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                kind: 'var',
                range: [5, 10],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 10 }
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            },
            right: {
                type: 'Identifier',
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                range: [14, 18],
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                    start: { line: 1, column: 14 },
                    end: { line: 1, column: 18 }
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            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
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                        type: 'Identifier',
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                            end: { line: 1, column: 27 }
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                    },
                    'arguments': [{
                        type: 'Identifier',
                        name: 'x',
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                            end: { line: 1, column: 29 }
                        }
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                    range: [20, 30],
                    loc: {
                        start: { line: 1, column: 20 },
                        end: { line: 1, column: 30 }
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                range: [20, 31],
                loc: {
                    start: { line: 1, column: 20 },
                    end: { line: 1, column: 31 }
                }
            },
            each: false,
            range: [0, 31],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 31 }
            }
        },

        'for (var x = 42 in list) process(x);': {
            type: 'ForInStatement',
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                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
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                            end: { line: 1, column: 10 }
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                    },
                    init: {
                        type: 'Literal',
                        value: 42,
                        raw: '42',
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                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 15 }
                        }
                    },
                    range: [9, 15],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 15 }
                    }
                }],
                kind: 'var',
                range: [5, 15],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 15 }
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            right: {
                type: 'Identifier',
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                    start: { line: 1, column: 19 },
                    end: { line: 1, column: 23 }
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            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
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                        type: 'Identifier',
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                            end: { line: 1, column: 32 }
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                    'arguments': [{
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                        loc: {
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                            end: { line: 1, column: 34 }
                        }
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                    range: [25, 35],
                    loc: {
                        start: { line: 1, column: 25 },
                        end: { line: 1, column: 35 }
                    }
                },
                range: [25, 36],
                loc: {
                    start: { line: 1, column: 25 },
                    end: { line: 1, column: 36 }
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            },
            each: false,
            range: [0, 36],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 36 }
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        },

        'for (let x in list) process(x);': {
            type: 'ForInStatement',
            left: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
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                    init: null,
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                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 10 }
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                }],
                kind: 'let',
                range: [5, 10],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 10 }
                }
            },
            right: {
                type: 'Identifier',
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                range: [14, 18],
                loc: {
                    start: { line: 1, column: 14 },
                    end: { line: 1, column: 18 }
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            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'CallExpression',
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                        type: 'Identifier',
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                        range: [20, 27],
                        loc: {
                            start: { line: 1, column: 20 },
                            end: { line: 1, column: 27 }
                        }
                    },
                    'arguments': [{
                        type: 'Identifier',
                        name: 'x',
                        range: [28, 29],
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                            start: { line: 1, column: 28 },
                            end: { line: 1, column: 29 }
                        }
                    }],
                    range: [20, 30],
                    loc: {
                        start: { line: 1, column: 20 },
                        end: { line: 1, column: 30 }
                    }
                },
                range: [20, 31],
                loc: {
                    start: { line: 1, column: 20 },
                    end: { line: 1, column: 31 }
                }
            },
            each: false,
            range: [0, 31],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 31 }
            }
        },

        'for (var x = y = z in q);': {
            type: 'ForInStatement',
            left: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
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                        range: [9, 10],
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                            end: { line: 1, column: 10 }
                        }
                    },
                    init: {
                        type: 'AssignmentExpression',
                        operator: '=',
                        left: {
                            type: 'Identifier',
                            name: 'y',
                            range: [13, 14],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        right: {
                            type: 'Identifier',
                            name: 'z',
                            range: [17, 18],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 18 }
                            }
                        },
                        range: [13, 18],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [9, 18],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 18 }
                    }
                }],
                kind: 'var',
                range: [5, 18],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 18 }
                }
            },
            right: {
                type: 'Identifier',
                name: 'q',
                range: [22, 23],
                loc: {
                    start: { line: 1, column: 22 },
                    end: { line: 1, column: 23 }
                }
            },
            body: {
                type: 'EmptyStatement',
                range: [24, 25],
                loc: {
                    start: { line: 1, column: 24 },
                    end: { line: 1, column: 25 }
                }
            },
            each: false,
            range: [0, 25],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 25 }
            }
        },

        'for (var a = b = c = (d in e) in z);': {
            type: 'ForInStatement',
            left: {
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'a',
                        range: [9, 10],
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                            end: { line: 1, column: 10 }
                        }
                    },
                    init: {
                        type: 'AssignmentExpression',
                        operator: '=',
                        left: {
                            type: 'Identifier',
                            name: 'b',
                            range: [13, 14],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        right: {
                            type: 'AssignmentExpression',
                            operator: '=',
                            left: {
                                type: 'Identifier',
                                name: 'c',
                                range: [17, 18],
                                loc: {
                                    start: { line: 1, column: 17 },
                                    end: { line: 1, column: 18 }
                                }
                            },
                            right: {
                                type: 'BinaryExpression',
                                operator: 'in',
                                left: {
                                    type: 'Identifier',
                                    name: 'd',
                                    range: [22, 23],
                                    loc: {
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                                        end: { line: 1, column: 23 }
                                    }
                                },
                                right: {
                                    type: 'Identifier',
                                    name: 'e',
                                    range: [27, 28],
                                    loc: {
                                        start: { line: 1, column: 27 },
                                        end: { line: 1, column: 28 }
                                    }
                                },
                                range: [22, 28],
                                loc: {
                                    start: { line: 1, column: 22 },
                                    end: { line: 1, column: 28 }
                                }
                            },
                            range: [17, 29],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 29 }
                            }
                        },
                        range: [13, 29],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 29 }
                        }
                    },
                    range: [9, 29],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 29 }
                    }
                }],
                kind: 'var',
                range: [5, 29],
                loc: {
                    start: { line: 1, column: 5 },
                    end: { line: 1, column: 29 }
                }
            },
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                type: 'Identifier',
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                type: 'EmptyStatement',
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        'for (var i = function() { return 10 in [] } in list) process(x);': {
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        'for (a[b in c] in d);': {
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            each: false,
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        'for (a(b in c)[0] in d);': {
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                type: 'MemberExpression',
                computed: true,
                object: {
                    type: 'CallExpression',
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                    arguments: [{
                        type: 'BinaryExpression',
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                loc: {
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            right: {
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            body: {
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                loc: {
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            range: [0, 24],
            loc: {
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        'for (a.in in a);': {
            type: 'ForInStatement',
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                type: 'MemberExpression',
                computed: false,
                object: {
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                property: {
                    type: 'Identifier',
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            body: {
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        'while (true) { continue; }': {
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                value: true,
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                loc: {
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                    end: { line: 1, column: 11 }
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            },
            body: {
                type: 'BlockStatement',
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                range: [13, 26],
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            range: [0, 26],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 26 }
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        'while (true) { continue }': {
            type: 'WhileStatement',
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                type: 'Literal',
                value: true,
                raw: 'true',
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                loc: {
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                    end: { line: 1, column: 11 }
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            },
            body: {
                type: 'BlockStatement',
                body: [
                    {
                        type: 'ContinueStatement',
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                        range: [15, 24],
                        loc: {
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            range: [0, 25],
            loc: {
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                end: { line: 1, column: 25 }
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        'done: while (true) { continue done }': {
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                type: 'Identifier',
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                    start: { line: 1, column: 0 },
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            body: {
                type: 'WhileStatement',
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                        end: { line: 1, column: 17 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [
                        {
                            type: 'ContinueStatement',
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                                type: 'Identifier',
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                                loc: {
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                            range: [21, 35],
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                    range: [19, 36],
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                range: [6, 36],
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                end: { line: 1, column: 36 }
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        'done: while (true) { continue done; }': {
            type: 'LabeledStatement',
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                type: 'Identifier',
                name: 'done',
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                loc: {
                    start: { line: 1, column: 0 },
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            body: {
                type: 'WhileStatement',
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                    loc: {
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                        end: { line: 1, column: 17 }
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                },
                body: {
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        '__proto__: while (true) { continue __proto__; }': {
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        'done: while (true) { break done }': {
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                        end: { line: 1, column: 17 }
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                },
                body: {
                    type: 'BlockStatement',
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        'done: while (true) { break done; }': {
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                    start: { line: 1, column: 0 },
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            body: {
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                body: {
                    type: 'BlockStatement',
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        '__proto__: while (true) { break __proto__; }': {
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            range: [0, 23],
            loc: {
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        '(function(){ return x; })': {
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                                    end: { line: 1, column: 21 }
                                }
                            },
                            range: [13, 22],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 22 }
                            }
                        }
                    ],
                    range: [11, 24],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 24 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 24],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 24 }
                }
            },
            range: [0, 25],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 25 }
            }
        },

        '(function(){ return x * y })': {
            type: 'ExpressionStatement',
            expression: {
                type: 'FunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [
                        {
                            type: 'ReturnStatement',
                            argument: {
                                type: 'BinaryExpression',
                                operator: '*',
                                left: {
                                    type: 'Identifier',
                                    name: 'x',
                                    range: [20, 21],
                                    loc: {
                                        start: { line: 1, column: 20 },
                                        end: { line: 1, column: 21 }
                                    }
                                },
                                right: {
                                    type: 'Identifier',
                                    name: 'y',
                                    range: [24, 25],
                                    loc: {
                                        start: { line: 1, column: 24 },
                                        end: { line: 1, column: 25 }
                                    }
                                },
                                range: [20, 25],
                                loc: {
                                    start: { line: 1, column: 20 },
                                    end: { line: 1, column: 25 }
                                }
                            },
                            range: [13, 26],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 26 }
                            }
                        }
                    ],
                    range: [11, 27],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 27 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 27],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 27 }
                }
            },
            range: [0, 28],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 28 }
            }
        }
    },

    'with statement': {

        'with (x) foo = bar': {
            type: 'WithStatement',
            object: {
                type: 'Identifier',
                name: 'x',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'AssignmentExpression',
                    operator: '=',
                    left: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [9, 12],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 12 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [15, 18],
                        loc: {
                            start: { line: 1, column: 15 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [9, 18],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 18 }
                    }
                },
                range: [9, 18],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 18 }
                }
            },
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            }
        },

        'with (x) foo = bar;': {
            type: 'WithStatement',
            object: {
                type: 'Identifier',
                name: 'x',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'AssignmentExpression',
                    operator: '=',
                    left: {
                        type: 'Identifier',
                        name: 'foo',
                        range: [9, 12],
                        loc: {
                            start: { line: 1, column: 9 },
                            end: { line: 1, column: 12 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'bar',
                        range: [15, 18],
                        loc: {
                            start: { line: 1, column: 15 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [9, 18],
                    loc: {
                        start: { line: 1, column: 9 },
                        end: { line: 1, column: 18 }
                    }
                },
                range: [9, 19],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 19 }
                }
            },
            range: [0, 19],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 19 }
            }
        },

        'with (x) { foo = bar }': {
            type: 'WithStatement',
            object: {
                type: 'Identifier',
                name: 'x',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'AssignmentExpression',
                        operator: '=',
                        left: {
                            type: 'Identifier',
                            name: 'foo',
                            range: [11, 14],
                            loc: {
                                start: { line: 1, column: 11 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        right: {
                            type: 'Identifier',
                            name: 'bar',
                            range: [17, 20],
                            loc: {
                                start: { line: 1, column: 17 },
                                end: { line: 1, column: 20 }
                            }
                        },
                        range: [11, 20],
                        loc: {
                            start: { line: 1, column: 11 },
                            end: { line: 1, column: 20 }
                        }
                    },
                    range: [11, 21],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 21 }
                    }
                }],
                range: [9, 22],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 22 }
            }
        }

    },

    'switch statement': {

        'switch (x) {}': {
            type: 'SwitchStatement',
            discriminant: {
                type: 'Identifier',
                name: 'x',
                range: [8, 9],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 9 }
                }
            },
            cases:[],
            range: [0, 13],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 13 }
            }
        },

        'switch (answer) { case 42: hi(); break; }': {
            type: 'SwitchStatement',
            discriminant: {
                type: 'Identifier',
                name: 'answer',
                range: [8, 14],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 14 }
                }
            },
            cases: [{
                type: 'SwitchCase',
                test: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [23, 25],
                    loc: {
                        start: { line: 1, column: 23 },
                        end: { line: 1, column: 25 }
                    }
                },
                consequent: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'CallExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'hi',
                            range: [27, 29],
                            loc: {
                                start: { line: 1, column: 27 },
                                end: { line: 1, column: 29 }
                            }
                        },
                        'arguments': [],
                        range: [27, 31],
                        loc: {
                            start: { line: 1, column: 27 },
                            end: { line: 1, column: 31 }
                        }
                    },
                    range: [27, 32],
                    loc: {
                        start: { line: 1, column: 27 },
                        end: { line: 1, column: 32 }
                    }
                }, {
                    type: 'BreakStatement',
                    label: null,
                    range: [33, 39],
                    loc: {
                        start: { line: 1, column: 33 },
                        end: { line: 1, column: 39 }
                    }
                }],
                range: [18, 39],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 39 }
                }
            }],
            range: [0, 41],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 41 }
            }
        },

        'switch (answer) { case 42: hi(); break; default: break }': {
            type: 'SwitchStatement',
            discriminant: {
                type: 'Identifier',
                name: 'answer',
                range: [8, 14],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 14 }
                }
            },
            cases: [{
                type: 'SwitchCase',
                test: {
                    type: 'Literal',
                    value: 42,
                    raw: '42',
                    range: [23, 25],
                    loc: {
                        start: { line: 1, column: 23 },
                        end: { line: 1, column: 25 }
                    }
                },
                consequent: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'CallExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'hi',
                            range: [27, 29],
                            loc: {
                                start: { line: 1, column: 27 },
                                end: { line: 1, column: 29 }
                            }
                        },
                        'arguments': [],
                        range: [27, 31],
                        loc: {
                            start: { line: 1, column: 27 },
                            end: { line: 1, column: 31 }
                        }
                    },
                    range: [27, 32],
                    loc: {
                        start: { line: 1, column: 27 },
                        end: { line: 1, column: 32 }
                    }
                }, {
                    type: 'BreakStatement',
                    label: null,
                    range: [33, 39],
                    loc: {
                        start: { line: 1, column: 33 },
                        end: { line: 1, column: 39 }
                    }
                }],
                range: [18, 39],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 39 }
                }
            }, {
                type: 'SwitchCase',
                test: null,
                consequent: [{
                    type: 'BreakStatement',
                    label: null,
                    range: [49, 55],
                    loc: {
                        start: { line: 1, column: 49 },
                        end: { line: 1, column: 55 }
                    }
                }],
                range: [40, 55],
                loc: {
                    start: { line: 1, column: 40 },
                    end: { line: 1, column: 55 }
                }
            }],
            range: [0, 56],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 56 }
            }
        }

    },

    'Labelled Statements': {

        'start: for (;;) break start': {
            type: 'LabeledStatement',
            label: {
                type: 'Identifier',
                name: 'start',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            body: {
                type: 'ForStatement',
                init: null,
                test: null,
                update: null,
                body: {
                    type: 'BreakStatement',
                    label: {
                        type: 'Identifier',
                        name: 'start',
                        range: [22, 27],
                        loc: {
                            start: { line: 1, column: 22 },
                            end: { line: 1, column: 27 }
                        }
                    },
                    range: [16, 27],
                    loc: {
                        start: { line: 1, column: 16 },
                        end: { line: 1, column: 27 }
                    }
                },
                range: [7, 27],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 27 }
                }
            },
            range: [0, 27],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 27 }
            }
        },

        'start: while (true) break start': {
            type: 'LabeledStatement',
            label: {
                type: 'Identifier',
                name: 'start',
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            },
            body: {
                type: 'WhileStatement',
                test: {
                    type: 'Literal',
                    value: true,
                    raw: 'true',
                    range: [14, 18],
                    loc: {
                        start: { line: 1, column: 14 },
                        end: { line: 1, column: 18 }
                    }
                },
                body: {
                    type: 'BreakStatement',
                    label: {
                        type: 'Identifier',
                        name: 'start',
                        range: [26, 31],
                        loc: {
                            start: { line: 1, column: 26 },
                            end: { line: 1, column: 31 }
                        }
                    },
                    range: [20, 31],
                    loc: {
                        start: { line: 1, column: 20 },
                        end: { line: 1, column: 31 }
                    }
                },
                range: [7, 31],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 31 }
                }
            },
            range: [0, 31],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 31 }
            }
        },

        '__proto__: test': {
            type: 'LabeledStatement',
            label: {
                type: 'Identifier',
                name: '__proto__',
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                }
            },
            body: {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'test',
                    range: [11, 15],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 15 }
                    }
                },
                range: [11, 15],
                loc: {
                    start: { line: 1, column: 11 },
                    end: { line: 1, column: 15 }
                }
            },
            range: [0, 15],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 15 }
            }
        }

    },

    'throw statement': {

        'throw x;': {
            type: 'ThrowStatement',
            argument: {
                type: 'Identifier',
                name: 'x',
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            },
            range: [0, 8],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 8 }
            }
        },

        'throw x * y': {
            type: 'ThrowStatement',
            argument: {
                type: 'BinaryExpression',
                operator: '*',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [6, 7],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 7 }
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'y',
                    range: [10, 11],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 11 }
                    }
                },
                range: [6, 11],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 11 }
                }
            },
            range: [0, 11],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 11 }
            }
        },

        'throw { message: "Error" }': {
            type: 'ThrowStatement',
            argument: {
                type: 'ObjectExpression',
                properties: [{
                    type: 'Property',
                    key: {
                        type: 'Identifier',
                        name: 'message',
                        range: [8, 15],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 15 }
                        }
                    },
                    value: {
                        type: 'Literal',
                        value: 'Error',
                        raw: '"Error"',
                        range: [17, 24],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 24 }
                        }
                    },
                    kind: 'init',
                    method: false,
                    shorthand: false,
                    range: [8, 24],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 24 }
                    }
                }],
                range: [6, 26],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 26 }
                }
            },
            range: [0, 26],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 26 }
            }
        }

    },

    'try statement': {

        'try { } catch (e) { }': {
            type: 'TryStatement',
            block: {
                type: 'BlockStatement',
                body: [],
                range: [4, 7],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 7 }
                }
            },
            guardedHandlers: [],
            handlers: [{
                type: 'CatchClause',
                param: {
                    type: 'Identifier',
                    name: 'e',
                    range: [15, 16],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 16 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [18, 21],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 21 }
                    }
                },
                range: [8, 21],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 21 }
                }
            }],
            finalizer: null,
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 }
            }
        },

        'try { } catch (eval) { }': {
            type: 'TryStatement',
            block: {
                type: 'BlockStatement',
                body: [],
                range: [4, 7],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 7 }
                }
            },
            guardedHandlers: [],
            handlers: [{
                type: 'CatchClause',
                param: {
                    type: 'Identifier',
                    name: 'eval',
                    range: [15, 19],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 19 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [21, 24],
                    loc: {
                        start: { line: 1, column: 21 },
                        end: { line: 1, column: 24 }
                    }
                },
                range: [8, 24],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 24 }
                }
            }],
            finalizer: null,
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 24 }
            }
        },

        'try { } catch (arguments) { }': {
            type: 'TryStatement',
            block: {
                type: 'BlockStatement',
                body: [],
                range: [4, 7],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 7 }
                }
            },
            guardedHandlers: [],
            handlers: [{
                type: 'CatchClause',
                param: {
                    type: 'Identifier',
                    name: 'arguments',
                    range: [15, 24],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 24 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [26, 29],
                    loc: {
                        start: { line: 1, column: 26 },
                        end: { line: 1, column: 29 }
                    }
                },
                range: [8, 29],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 29 }
                }
            }],
            finalizer: null,
            range: [0, 29],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 29 }
            }
        },

        'try { } catch (e) { say(e) }': {
            type: 'TryStatement',
            block: {
                type: 'BlockStatement',
                body: [],
                range: [4, 7],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 7 }
                }
            },
            guardedHandlers: [],
            handlers: [{
                type: 'CatchClause',
                param: {
                    type: 'Identifier',
                    name: 'e',
                    range: [15, 16],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 16 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [{
                        type: 'ExpressionStatement',
                        expression: {
                            type: 'CallExpression',
                            callee: {
                                type: 'Identifier',
                                name: 'say',
                                range: [20, 23],
                                loc: {
                                    start: { line: 1, column: 20 },
                                    end: { line: 1, column: 23 }
                                }
                            },
                            'arguments': [{
                                type: 'Identifier',
                                name: 'e',
                                range: [24, 25],
                                loc: {
                                    start: { line: 1, column: 24 },
                                    end: { line: 1, column: 25 }
                                }
                            }],
                            range: [20, 26],
                            loc: {
                                start: { line: 1, column: 20 },
                                end: { line: 1, column: 26 }
                            }
                        },
                        range: [20, 27],
                        loc: {
                            start: { line: 1, column: 20 },
                            end: { line: 1, column: 27 }
                        }
                    }],
                    range: [18, 28],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 28 }
                    }
                },
                range: [8, 28],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 28 }
                }
            }],
            finalizer: null,
            range: [0, 28],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 28 }
            }
        },

        'try { } finally { cleanup(stuff) }': {
            type: 'TryStatement',
            block: {
                type: 'BlockStatement',
                body: [],
                range: [4, 7],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 7 }
                }
            },
            guardedHandlers: [],
            handlers: [],
            finalizer: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'CallExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'cleanup',
                            range: [18, 25],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 25 }
                            }
                        },
                        'arguments': [{
                            type: 'Identifier',
                            name: 'stuff',
                            range: [26, 31],
                            loc: {
                                start: { line: 1, column: 26 },
                                end: { line: 1, column: 31 }
                            }
                        }],
                        range: [18, 32],
                        loc: {
                            start: { line: 1, column: 18 },
                            end: { line: 1, column: 32 }
                        }
                    },
                    range: [18, 33],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 33 }
                    }
                }],
                range: [16, 34],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 34 }
                }
            },
            range: [0, 34],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 34 }
            }
        },

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                range: [4, 37],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 37 }
                }
            }],
            kind: 'var',
            range: [0, 38],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 38 }
            }
        },

        '(function(){})': {
            type: 'ExpressionStatement',
            expression: {
                type: 'FunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [11, 13],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 1, column: 13 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 13],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 13 }
                }
            },
            range: [0, 14],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 14 }
            }
        },

        'function universe(__proto__) { }': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'universe',
                range: [9, 17],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 17 }
                }
            },
            params: [{
                type: 'Identifier',
                name: '__proto__',
                range: [18, 27],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 27 }
                }
            }],
            defaults: [],
            body: {
                type: 'BlockStatement',
                body: [],
                range: [29, 32],
                loc: {
                    start: { line: 1, column: 29 },
                    end: { line: 1, column: 32 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 32],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 32 }
            }
        },

        'function test() { "use strict" + 42; }': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'test',
                range: [9, 13],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 13 }
                }
            },
            params: [],
            defaults: [],
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'BinaryExpression',
                        operator: '+',
                        left: {
                            type: 'Literal',
                            value: 'use strict',
                            raw: '"use strict"',
                            range: [18, 30],
                            loc: {
                                start: { line: 1, column: 18 },
                                end: { line: 1, column: 30 }
                            }
                        },
                        right: {
                            type: 'Literal',
                            value: 42,
                            raw: '42',
                            range: [33, 35],
                            loc: {
                                start: { line: 1, column: 33 },
                                end: { line: 1, column: 35 }
                            }
                        },
                        range: [18, 35],
                        loc: {
                            start: { line: 1, column: 18 },
                            end: { line: 1, column: 35 }
                        }
                    },
                    range: [18, 36],
                    loc: {
                        start: { line: 1, column: 18 },
                        end: { line: 1, column: 36 }
                    }
                }],
                range: [16, 38],
                loc: {
                    start: { line: 1, column: 16 },
                    end: { line: 1, column: 38 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 38],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 38 }
            }
        }

    },

    '[ES6] Default Parameter Value': {

        'x = function(y = 1) {}': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'FunctionExpression',
                    id: null,
                    params: [{
                        type: 'Identifier',
                        name: 'y',
                        range: [13, 14],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 14 }
                        }
                    }],
                    defaults: [{
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [17, 18],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 18 }
                        }
                    }],
                    body: {
                        type: 'BlockStatement',
                        body: [],
                        range: [20, 22],
                        loc: {
                            start: { line: 1, column: 20 },
                            end: { line: 1, column: 22 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [4, 22],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 22 }
                    }
                },
                range: [0, 22],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 22 }
                }
            },
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 22 }
            }
        },

        'function f(a = 1) {}': {
            type: 'FunctionDeclaration',
            id: {
                type: 'Identifier',
                name: 'f',
                range: [9, 10],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 10 }
                }
            },
            params: [{
                type: 'Identifier',
                name: 'a',
                range: [11, 12],
                loc: {
                    start: { line: 1, column: 11 },
                    end: { line: 1, column: 12 }
                }
            }],
            defaults: [{
                type: 'Literal',
                value: 1,
                raw: '1',
                range: [15, 16],
                loc: {
                    start: { line: 1, column: 15 },
                    end: { line: 1, column: 16 }
                }
            }],
            body: {
                type: 'BlockStatement',
                body: [],
                range: [18, 20],
                loc: {
                    start: { line: 1, column: 18 },
                    end: { line: 1, column: 20 }
                }
            },
            rest: null,
            generator: false,
            expression: false,
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        'x = { f: function(a=1) {} }': {
            type: 'ExpressionStatement',
            expression: {
                type: 'AssignmentExpression',
                operator: '=',
                left: {
                    type: 'Identifier',
                    name: 'x',
                    range: [0, 1],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 1 }
                    }
                },
                right: {
                    type: 'ObjectExpression',
                    properties: [{
                        type: 'Property',
                        key: {
                            type: 'Identifier',
                            name: 'f',
                            range: [6, 7],
                            loc: {
                                start: { line: 1, column: 6 },
                                end: { line: 1, column: 7 }
                            }
                        },
                        value: {
                            type: 'FunctionExpression',
                            id: null,
                            params: [{
                                type: 'Identifier',
                                name: 'a',
                                range: [18, 19],
                                loc: {
                                    start: { line: 1, column: 18 },
                                    end: { line: 1, column: 19 }
                                }
                            }],
                            defaults: [{
                                type: 'Literal',
                                value: 1,
                                raw: '1',
                                range: [20, 21],
                                loc: {
                                    start: { line: 1, column: 20 },
                                    end: { line: 1, column: 21 }
                                }
                            }],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [23, 25],
                                loc: {
                                    start: { line: 1, column: 23 },
                                    end: { line: 1, column: 25 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [9, 25],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 25 }
                            }
                        },
                        kind: 'init',
                        method: false,
                        shorthand: false,
                        range: [6, 25],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 25 }
                        }
                    }],
                    range: [4, 27],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 27 }
                    }
                },
                range: [0, 27],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 27 }
                }
            },
            range: [0, 27],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 27 }
            }
        }

    },

    'Automatic semicolon insertion': {

        '{ x\n++y }': {
            type: 'BlockStatement',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'x',
                    range: [2, 3],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 3 }
                    }
                },
                range: [2, 3],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'UpdateExpression',
                    operator: '++',
                    argument: {
                        type: 'Identifier',
                        name: 'y',
                        range: [6, 7],
                        loc: {
                            start: { line: 2, column: 2 },
                            end: { line: 2, column: 3 }
                        }
                    },
                    prefix: true,
                    range: [4, 7],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 3 }
                    }
                },
                range: [4, 8],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 4 }
                }
            }],
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 5 }
            }
        },

        '{ x\n--y }': {
            type: 'BlockStatement',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'x',
                    range: [2, 3],
                    loc: {
                        start: { line: 1, column: 2 },
                        end: { line: 1, column: 3 }
                    }
                },
                range: [2, 3],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'UpdateExpression',
                    operator: '--',
                    argument: {
                        type: 'Identifier',
                        name: 'y',
                        range: [6, 7],
                        loc: {
                            start: { line: 2, column: 2 },
                            end: { line: 2, column: 3 }
                        }
                    },
                    prefix: true,
                    range: [4, 7],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 3 }
                    }
                },
                range: [4, 8],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 4 }
                }
            }],
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 5 }
            }
        },

        'var x /* comment */;': {
            type: 'VariableDeclaration',
            declarations: [{
                type: 'VariableDeclarator',
                id: {
                    type: 'Identifier',
                    name: 'x',
                    range: [4, 5],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 5 }
                    }
                },
                init: null,
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }],
            kind: 'var',
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            }
        },

        '{ var x = 14, y = 3\nz; }': {
            type: 'BlockStatement',
            body: [{
                type: 'VariableDeclaration',
                declarations: [{
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'x',
                        range: [6, 7],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 7 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: 14,
                        raw: '14',
                        range: [10, 12],
                        loc: {
                            start: { line: 1, column: 10 },
                            end: { line: 1, column: 12 }
                        }
                    },
                    range: [6, 12],
                    loc: {
                        start: { line: 1, column: 6 },
                        end: { line: 1, column: 12 }
                    }
                }, {
                    type: 'VariableDeclarator',
                    id: {
                        type: 'Identifier',
                        name: 'y',
                        range: [14, 15],
                        loc: {
                            start: { line: 1, column: 14 },
                            end: { line: 1, column: 15 }
                        }
                    },
                    init: {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [18, 19],
                        loc: {
                            start: { line: 1, column: 18 },
                            end: { line: 1, column: 19 }
                        }
                    },
                    range: [14, 19],
                    loc: {
                        start: { line: 1, column: 14 },
                        end: { line: 1, column: 19 }
                    }
                }],
                kind: 'var',
                range: [2, 19],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 19 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'z',
                    range: [20, 21],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 1 }
                    }
                },
                range: [20, 22],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 2 }
                }
            }],
            range: [0, 24],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 4 }
            }
        },

        'while (true) { continue\nthere; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ContinueStatement',
                    label: null,
                    range: [15, 23],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 23 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [24, 29],
                        loc: {
                            start: { line: 2, column: 0 },
                            end: { line: 2, column: 5 }
                        }
                    },
                    range: [24, 30],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 6 }
                    }
                }],
                range: [13, 32],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 8 }
                }
            },
            range: [0, 32],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        'while (true) { continue // Comment\nthere; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ContinueStatement',
                    label: null,
                    range: [15, 23],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 23 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [35, 40],
                        loc: {
                            start: { line: 2, column: 0 },
                            end: { line: 2, column: 5 }
                        }
                    },
                    range: [35, 41],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 6 }
                    }
                }],
                range: [13, 43],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 8 }
                }
            },
            range: [0, 43],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        'while (true) { continue /* Multiline\nComment */there; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'ContinueStatement',
                    label: null,
                    range: [15, 23],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 23 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [47, 52],
                        loc: {
                            start: { line: 2, column: 10 },
                            end: { line: 2, column: 15 }
                        }
                    },
                    range: [47, 53],
                    loc: {
                        start: { line: 2, column: 10 },
                        end: { line: 2, column: 16 }
                    }
                }],
                range: [13, 55],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 18 }
                }
            },
            range: [0, 55],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 18 }
            }
        },

        'while (true) { break\nthere; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'BreakStatement',
                    label: null,
                    range: [15, 20],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 20 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [21, 26],
                        loc: {
                            start: { line: 2, column: 0 },
                            end: { line: 2, column: 5 }
                        }
                    },
                    range: [21, 27],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 6 }
                    }
                }],
                range: [13, 29],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 8 }
                }
            },
            range: [0, 29],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        'while (true) { break // Comment\nthere; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'BreakStatement',
                    label: null,
                    range: [15, 20],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 20 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [32, 37],
                        loc: {
                            start: { line: 2, column: 0 },
                            end: { line: 2, column: 5 }
                        }
                    },
                    range: [32, 38],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 6 }
                    }
                }],
                range: [13, 40],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 8 }
                }
            },
            range: [0, 40],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        'while (true) { break /* Multiline\nComment */there; }': {
            type: 'WhileStatement',
            test: {
                type: 'Literal',
                value: true,
                raw: 'true',
                range: [7, 11],
                loc: {
                    start: { line: 1, column: 7 },
                    end: { line: 1, column: 11 }
                }
            },
            body: {
                type: 'BlockStatement',
                body: [{
                    type: 'BreakStatement',
                    label: null,
                    range: [15, 20],
                    loc: {
                        start: { line: 1, column: 15 },
                        end: { line: 1, column: 20 }
                    }
                }, {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'there',
                        range: [44, 49],
                        loc: {
                            start: { line: 2, column: 10 },
                            end: { line: 2, column: 15 }
                        }
                    },
                    range: [44, 50],
                    loc: {
                        start: { line: 2, column: 10 },
                        end: { line: 2, column: 16 }
                    }
                }],
                range: [13, 52],
                loc: {
                    start: { line: 1, column: 13 },
                    end: { line: 2, column: 18 }
                }
            },
            range: [0, 52],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 18 }
            }
        },

        '(function(){ return\nx; })': {
            type: 'ExpressionStatement',
            expression: {
                type: 'FunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [
                        {
                            type: 'ReturnStatement',
                            argument: null,
                            range: [13, 19],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 19 }
                            }
                        },
                        {
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Identifier',
                                name: 'x',
                                range: [20, 21],
                                loc: {
                                    start: { line: 2, column: 0 },
                                    end: { line: 2, column: 1 }
                                }
                            },
                            range: [20, 22],
                            loc: {
                                start: { line: 2, column: 0 },
                                end: { line: 2, column: 2 }
                            }
                        }
                    ],
                    range: [11, 24],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 2, column: 4 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 24],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 2, column: 4 }
                }
            },
            range: [0, 25],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 5 }
            }
        },

        '(function(){ return // Comment\nx; })': {
            type: 'ExpressionStatement',
            expression: {
                type: 'FunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [
                        {
                            type: 'ReturnStatement',
                            argument: null,
                            range: [13, 19],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 19 }
                            }
                        },
                        {
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Identifier',
                                name: 'x',
                                range: [31, 32],
                                loc: {
                                    start: { line: 2, column: 0 },
                                    end: { line: 2, column: 1 }
                                }
                            },
                            range: [31, 33],
                            loc: {
                                start: { line: 2, column: 0 },
                                end: { line: 2, column: 2 }
                            }
                        }
                    ],
                    range: [11, 35],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 2, column: 4 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 35],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 2, column: 4 }
                }
            },
            range: [0, 36],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 5 }
            }
        },

        '(function(){ return/* Multiline\nComment */x; })': {
            type: 'ExpressionStatement',
            expression: {
                type: 'FunctionExpression',
                id: null,
                params: [],
                defaults: [],
                body: {
                    type: 'BlockStatement',
                    body: [
                        {
                            type: 'ReturnStatement',
                            argument: null,
                            range: [13, 19],
                            loc: {
                                start: { line: 1, column: 13 },
                                end: { line: 1, column: 19 }
                            }
                        },
                        {
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Identifier',
                                name: 'x',
                                range: [42, 43],
                                loc: {
                                    start: { line: 2, column: 10 },
                                    end: { line: 2, column: 11 }
                                }
                            },
                            range: [42, 44],
                            loc: {
                                start: { line: 2, column: 10 },
                                end: { line: 2, column: 12 }
                            }
                        }
                    ],
                    range: [11, 46],
                    loc: {
                        start: { line: 1, column: 11 },
                        end: { line: 2, column: 14 }
                    }
                },
                rest: null,
                generator: false,
                expression: false,
                range: [1, 46],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 2, column: 14 }
                }
            },
            range: [0, 47],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 15 }
            }
        },

        '{ throw error\nerror; }': {
            type: 'BlockStatement',
            body: [{
                type: 'ThrowStatement',
                argument: {
                    type: 'Identifier',
                    name: 'error',
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [2, 13],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 13 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'error',
                    range: [14, 19],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 5 }
                    }
                },
                range: [14, 20],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 6 }
                }
            }],
            range: [0, 22],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        '{ throw error// Comment\nerror; }': {
            type: 'BlockStatement',
            body: [{
                type: 'ThrowStatement',
                argument: {
                    type: 'Identifier',
                    name: 'error',
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [2, 13],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 13 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'error',
                    range: [24, 29],
                    loc: {
                        start: { line: 2, column: 0 },
                        end: { line: 2, column: 5 }
                    }
                },
                range: [24, 30],
                loc: {
                    start: { line: 2, column: 0 },
                    end: { line: 2, column: 6 }
                }
            }],
            range: [0, 32],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 8 }
            }
        },

        '{ throw error/* Multiline\nComment */error; }': {
            type: 'BlockStatement',
            body: [{
                type: 'ThrowStatement',
                argument: {
                    type: 'Identifier',
                    name: 'error',
                    range: [8, 13],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 13 }
                    }
                },
                range: [2, 13],
                loc: {
                    start: { line: 1, column: 2 },
                    end: { line: 1, column: 13 }
                }
            }, {
                type: 'ExpressionStatement',
                expression: {
                    type: 'Identifier',
                    name: 'error',
                    range: [36, 41],
                    loc: {
                        start: { line: 2, column: 10 },
                        end: { line: 2, column: 15 }
                    }
                },
                range: [36, 42],
                loc: {
                    start: { line: 2, column: 10 },
                    end: { line: 2, column: 16 }
                }
            }],
            range: [0, 44],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 2, column: 18 }
            }
        }

    },

    'Directive Prolog': {

        '(function () { \'use\\x20strict\'; with (i); }())': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'FunctionExpression',
                    id: null,
                    params: [],
                    defaults: [],
                    body: {
                        type: 'BlockStatement',
                        body: [{
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Literal',
                                value: 'use strict',
                                raw: '\'use\\x20strict\'',
                                range: [15, 30],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 30 }
                                }
                            },
                            range: [15, 31],
                            loc: {
                                start: { line: 1, column: 15 },
                                end: { line: 1, column: 31 }
                            }
                        }, {
                            type: 'WithStatement',
                            object: {
                                type: 'Identifier',
                                name: 'i',
                                range: [38, 39],
                                loc: {
                                    start: { line: 1, column: 38 },
                                    end: { line: 1, column: 39 }
                                }
                            },
                            body: {
                                type: 'EmptyStatement',
                                range: [40, 41],
                                loc: {
                                    start: { line: 1, column: 40 },
                                    end: { line: 1, column: 41 }
                                }
                            },
                            range: [32, 41],
                            loc: {
                                start: { line: 1, column: 32 },
                                end: { line: 1, column: 41 }
                            }
                        }],
                        range: [13, 43],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 43 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [1, 43],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 43 }
                    }
                },
                'arguments': [],
                range: [1, 45],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 45 }
                }
            },
            range: [0, 46],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 46 }
            }
        },

        '(function () { \'use\\nstrict\'; with (i); }())': {
            type: 'ExpressionStatement',
            expression: {
                type: 'CallExpression',
                callee: {
                    type: 'FunctionExpression',
                    id: null,
                    params: [],
                    defaults: [],
                    body: {
                        type: 'BlockStatement',
                        body: [{
                            type: 'ExpressionStatement',
                            expression: {
                                type: 'Literal',
                                value: 'use\nstrict',
                                raw: '\'use\\nstrict\'',
                                range: [15, 28],
                                loc: {
                                    start: { line: 1, column: 15 },
                                    end: { line: 1, column: 28 }
                                }
                            },
                            range: [15, 29],
                            loc: {
                                start: { line: 1, column: 15 },
                                end: { line: 1, column: 29 }
                            }
                        }, {
                            type: 'WithStatement',
                            object: {
                                type: 'Identifier',
                                name: 'i',
                                range: [36, 37],
                                loc: {
                                    start: { line: 1, column: 36 },
                                    end: { line: 1, column: 37 }
                                }
                            },
                            body: {
                                type: 'EmptyStatement',
                                range: [38, 39],
                                loc: {
                                    start: { line: 1, column: 38 },
                                    end: { line: 1, column: 39 }
                                }
                            },
                            range: [30, 39],
                            loc: {
                                start: { line: 1, column: 30 },
                                end: { line: 1, column: 39 }
                            }
                        }],
                        range: [13, 41],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 41 }
                        }
                    },
                    rest: null,
                    generator: false,
                    expression: false,
                    range: [1, 41],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 41 }
                    }
                },
                'arguments': [],
                range: [1, 43],
                loc: {
                    start: { line: 1, column: 1 },
                    end: { line: 1, column: 43 }
                }
            },
            range: [0, 44],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 44 }
            }
        }

    },

    'Whitespace': {

        'new\x20\x09\x0B\x0C\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFFa': {
            type: 'ExpressionStatement',
            expression: {
                type: 'NewExpression',
                callee: {
                    type: 'Identifier',
                    name: 'a',
                    range: [25, 26],
                    loc: {
                        start: {line: 1, column: 25},
                        end: {line: 1, column: 26}
                    }
                },
                arguments: [],
                range: [0, 26],
                loc: {
                    start: {line: 1, column: 0},
                    end: {line: 1, column: 26}
                }
            },
            range: [0, 26],
            loc: {
                start: {line: 1, column: 0},
                end: {line: 1, column: 26}
            }
        },

        '{0\x0A1\x0D2\u20283\u20294}': {
            type: 'BlockStatement',
            body: [
                {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 0,
                        raw: '0',
                        range: [1, 2],
                        loc: {
                            start: {line: 1, column: 1},
                            end: {line: 1, column: 2}
                        }
                    },
                    range: [1, 2],
                    loc: {
                        start: {line: 1, column: 1},
                        end: {line: 1, column: 2}
                    }
                },
                {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [3, 4],
                        loc: {
                            start: {line: 2, column: 0},
                            end: {line: 2, column: 1}
                        }
                    },
                    range: [3, 4],
                    loc: {
                        start: {line: 2, column: 0},
                        end: {line: 2, column: 1}
                    }
                },
                {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [5, 6],
                        loc: {
                            start: {line: 3, column: 0},
                            end: {line: 3, column: 1}
                        }
                    },
                    range: [5, 6],
                    loc: {
                        start: {line: 3, column: 0},
                        end: {line: 3, column: 1}
                    }
                },
                {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [7, 8],
                        loc: {
                            start: {line: 4, column: 0},
                            end: {line: 4, column: 1}
                        }
                    },
                    range: [7, 8],
                    loc: {
                        start: {line: 4, column: 0},
                        end: {line: 4, column: 1}
                    }
                },
                {
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 4,
                        raw: '4',
                        range: [9, 10],
                        loc: {
                            start: {line: 5, column: 0},
                            end: {line: 5, column: 1}
                        }
                    },
                    range: [9, 10],
                    loc: {
                        start: {line: 5, column: 0},
                        end: {line: 5, column: 1}
                    }
                }
            ],
            range: [0, 11],
            loc: {
                start: {line: 1, column: 0},
                end: {line: 5, column: 2}
            }
        }

    },

    'Source elements': {

        '': {
            type: 'Program',
            body: [],
            range: [0, 0],
            loc: {
                start: { line: 0, column: 0 },
                end: { line: 0, column: 0 }
            },
            tokens: []
        }
    },

    'Source option': {
        'x + y - z': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '-',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Identifier',
                        name: 'x',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 },
                            source: '42.js'
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'y',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 },
                            source: '42.js'
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 },
                        source: '42.js'
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'z',
                    range: [8, 9],
                    loc: {
                        start: { line: 1, column: 8 },
                        end: { line: 1, column: 9 },
                        source: '42.js'
                    }
                },
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 },
                    source: '42.js'
                }
            },
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 },
                source: '42.js'
            }
        },

        'a + (b < (c * d)) + e': {
            type: 'ExpressionStatement',
            expression: {
                type: 'BinaryExpression',
                operator: '+',
                left: {
                    type: 'BinaryExpression',
                    operator: '+',
                    left: {
                        type: 'Identifier',
                        name: 'a',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 },
                            source: '42.js'
                        }
                    },
                    right: {
                        type: 'BinaryExpression',
                        operator: '<',
                        left: {
                            type: 'Identifier',
                            name: 'b',
                            range: [5, 6],
                            loc: {
                                start: { line: 1, column: 5 },
                                end: { line: 1, column: 6 },
                                source: '42.js'
                            }
                        },
                        right: {
                            type: 'BinaryExpression',
                            operator: '*',
                            left: {
                                type: 'Identifier',
                                name: 'c',
                                range: [10, 11],
                                loc: {
                                    start: { line: 1, column: 10 },
                                    end: { line: 1, column: 11 },
                                    source: '42.js'
                                }
                            },
                            right: {
                                type: 'Identifier',
                                name: 'd',
                                range: [14, 15],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 15 },
                                    source: '42.js'
                                }
                            },
                            range: [10, 15],
                            loc: {
                                start: { line: 1, column: 10 },
                                end: { line: 1, column: 15 },
                                source: '42.js'
                            }
                        },
                        range: [5, 16],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 16 },
                            source: '42.js'
                        }
                    },
                    range: [0, 17],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 17 },
                        source: '42.js'
                    }
                },
                right: {
                    type: 'Identifier',
                    name: 'e',
                    range: [20, 21],
                    loc: {
                        start: { line: 1, column: 20 },
                        end: { line: 1, column: 21 },
                        source: '42.js'
                    }
                },
                range: [0, 21],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 21 },
                    source: '42.js'
                }
            },
            range: [0, 21],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 21 },
                source: '42.js'
            }
        }

    },


    'Invalid syntax': {

        '{': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '}': {
            index: 0,
            lineNumber: 1,
            column: 1,
            message: 'Error: Line 1: Unexpected token }'
        },

        '3ea': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3in []': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3e': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3e+': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3e-': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3x': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3x0': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0x': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '01a': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0o1a': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0o': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0O': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0o9': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0o18': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0O1a': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0b': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0b1a': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0b9': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0b18': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0b12': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0B': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0B1a': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0B9': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0B18': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0B12': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0O9': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0O18': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3in[]': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '0x3in[]': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"Hello\nWorld"': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'x\\': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'x\\u005c': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'x\\u002a': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'var x = /(s/g': {
            index: 13,
            lineNumber: 1,
            column: 14,
            message: 'Error: Line 1: Invalid regular expression'
        },

        'a\\u': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\\ua': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '/': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        '/test': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        '/test\n/': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        'var x = /[a-z]/\\ux': {
            index: 17,
            lineNumber: 1,
            column: 18,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'var x = /[a-z\n]/\\ux': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        'var x = /[a-z]/\\\\ux': {
            index: 16,
            lineNumber: 1,
            column: 17,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'var x = /[P QR]/\\\\u0067': {
            index: 17,
            lineNumber: 1,
            column: 18,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '3 = 4': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        'func() = 4': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '(1 + 1) = 10': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '"\\u{110000}"': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"\\u{}"': {
            index: 4,
            lineNumber: 1,
            column: 5,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"\\u{FFFF"': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"\\u{FFZ}"': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '1++': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '1--': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '++1': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '--1': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        'for((1 + 1) in list) process(x);': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Invalid left-hand side in for-in'
        },

        '[': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '[,': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '1 + {': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '1 + { t:t ': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '1 + { t:t,': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'var x = /\n/': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        'var x = "\n': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'var if = 42': {
            index: 4,
            lineNumber: 1,
            column: 5,
            message: 'Error: Line 1: Unexpected token if'
        },

        'i #= 42': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'i + 2 = 42': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '+i = 42': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Invalid left-hand side in assignment'
        },

        '1 + (': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Unexpected end of input'
        },

        '\n\n\n{': {
            index: 4,
            lineNumber: 4,
            column: 2,
            message: 'Error: Line 4: Unexpected end of input'
        },

        '\n/* Some multiline\ncomment */\n)': {
            index: 30,
            lineNumber: 4,
            column: 1,
            message: 'Error: Line 4: Unexpected token )'
        },

        '{ set 1 }': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected number'
        },

        '{ get 2 }': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected number'
        },

        '({ set: s(if) { } })': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Unexpected token if'
        },

        '({ set s(.) { } })': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token .'
        },

        '({ set s() { } })': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token )'
        },

        '({ set: s() { } })': {
            index: 12,
            lineNumber: 1,
            column: 13,
            message: 'Error: Line 1: Unexpected token {'
        },

        '({ set: s(a, b) { } })': {
            index: 16,
            lineNumber: 1,
            column: 17,
            message: 'Error: Line 1: Unexpected token {'
        },

        '({ get: g(d) { } })': {
            index: 13,
            lineNumber: 1,
            column: 14,
            message: 'Error: Line 1: Unexpected token {'
        },

        '({ get i() { }, i: 42 })': {
            index: 21,
            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Object literal may not have data and accessor property with the same name'
        },

        '({ i: 42, get i() { } })': {
            index: 21,
            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Object literal may not have data and accessor property with the same name'
        },

        '({ set i(x) { }, i: 42 })': {
            index: 22,
            lineNumber: 1,
            column: 23,
            message: 'Error: Line 1: Object literal may not have data and accessor property with the same name'
        },

        '({ i: 42, set i(x) { } })': {
            index: 22,
            lineNumber: 1,
            column: 23,
            message: 'Error: Line 1: Object literal may not have data and accessor property with the same name'
        },

        '({ get i() { }, get i() { } })': {
            index: 27,
            lineNumber: 1,
            column: 28,
            message: 'Error: Line 1: Object literal may not have multiple get/set accessors with the same name'
        },

        '({ set i(x) { }, set i(x) { } })': {
            index: 29,
            lineNumber: 1,
            column: 30,
            message: 'Error: Line 1: Object literal may not have multiple get/set accessors with the same name'
        },

        '((a)) => 42': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected token =>'
        },

        '(a, (b)) => 42': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token =>'
        },

        '"use strict"; (eval = 10) => 42': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode'
        },

        // strict mode, using eval when IsSimpleParameterList is true
        '"use strict"; eval => 42': {
            index: 24,
            lineNumber: 1,
            column: 25,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        // strict mode, using arguments when IsSimpleParameterList is true
        '"use strict"; arguments => 42': {
            index: 29,
            lineNumber: 1,
            column: 30,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        // strict mode, using eval when IsSimpleParameterList is true
        '"use strict"; (eval, a) => 42': {
            index: 29,
            lineNumber: 1,
            column: 30,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        // strict mode, using arguments when IsSimpleParameterList is true
        '"use strict"; (arguments, a) => 42': {
            index: 34,
            lineNumber: 1,
            column: 35,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        '(a, a) => 42': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        '"use strict"; (a, a) => 42': {
            index: 20,
            lineNumber: 1,
            column: 21,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        '"use strict"; (a) => 00': {
            index: 21,
            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        '() <= 42': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token <='
        },

        '() ? 42': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ?'
        },

        '() + 42': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token +'
        },

        '(10) => 00': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Unexpected token =>'
        },

        '(10, 20) => 00': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token =>'
        },

        '"use strict"; (eval) => 42': {
            index: 26,
            lineNumber: 1,
            column: 27,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        '(eval) => { "use strict"; 42 }': {
            index: 30,
            lineNumber: 1,
            column: 31,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'p = { q/ }': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token /'
        },

        'p = { "q"/ }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token /'
        },

        'function t(if) { }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Unexpected token if'
        },

        'function t(true) { }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Unexpected token true'
        },

        'function t(false) { }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Unexpected token false'
        },

        'function t(null) { }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Unexpected token null'
        },

        'function null() { }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token null'
        },

        'function true() { }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token true'
        },

        'function false() { }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token false'
        },

        'function if() { }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token if'
        },

        'a b;': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected identifier'
        },

        'if.a;': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token .'
        },

        'a if;': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token if'
        },

        'a class;': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected reserved word'
        },

        'break\n': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Illegal break statement'
        },

        'break 1;': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected number'
        },

        'continue\n': {
            index: 8,
            lineNumber: 1,
            column: 9,
            message: 'Error: Line 1: Illegal continue statement'
        },

        'continue 2;': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected number'
        },

        'throw': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'throw;': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Unexpected token ;'
        },

        'throw\n': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Illegal newline after throw'
        },

        'for (var i, i2 in {});': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Unexpected token in'
        },

        'for ((i in {}));': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Unexpected token )'
        },

        'for (i + 1 in {});': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Invalid left-hand side in for-in'
        },

        'for (+i in {});': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Invalid left-hand side in for-in'
        },

        'if(false)': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'if(false) doThis(); else': {
            index: 24,
            lineNumber: 1,
            column: 25,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'do': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'while(false)': {
            index: 12,
            lineNumber: 1,
            column: 13,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'for(;;)': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'with(x)': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected end of input'
        },

        'try { }': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Missing catch or finally after try'
        },

        'try {} catch (42) {} ': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Unexpected number'
        },

        'try {} catch (answer()) {} ': {
            index: 20,
            lineNumber: 1,
            column: 21,
            message: 'Error: Line 1: Unexpected token ('
        },

        'try {} catch (-x) {} ': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Unexpected token -'
        },


        '\u203F = 10': {
            index: 0,
            lineNumber: 1,
            column: 1,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'const x = 12, y;': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Unexpected token ;'
        },

        'const x, y = 12;': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ,'
        },

        'const x;': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ;'
        },

        'if(true) let a = 1;': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token let'
        },

        'if(true) const a = 1;': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token const'
        },

        'switch (c) { default: default: }': {
            index: 30,
            lineNumber: 1,
            column: 31,
            message: 'Error: Line 1: More than one default clause in switch statement'
        },

        'new X()."s"': {
            index: 8,
            lineNumber: 1,
            column: 9,
            message: 'Error: Line 1: Unexpected string'
        },

        '/*': {
            index: 2,
            lineNumber: 1,
            column: 3,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '/*\n\n\n': {
            index: 5,
            lineNumber: 4,
            column: 1,
            message: 'Error: Line 4: Unexpected token ILLEGAL'
        },

        '/**': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '/*\n\n*': {
            index: 5,
            lineNumber: 3,
            column: 2,
            message: 'Error: Line 3: Unexpected token ILLEGAL'
        },

        '/*hello': {
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '/*hello  *': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\n]': {
            index: 1,
            lineNumber: 2,
            column: 1,
            message: 'Error: Line 2: Unexpected token ]'
        },

        '\r]': {
            index: 1,
            lineNumber: 2,
            column: 1,
            message: 'Error: Line 2: Unexpected token ]'
        },

        '\r\n]': {
            index: 2,
            lineNumber: 2,
            column: 1,
            message: 'Error: Line 2: Unexpected token ]'
        },

        '\n\r]': {
            index: 2,
            lineNumber: 3,
            column: 1,
            message: 'Error: Line 3: Unexpected token ]'
        },

        '//\r\n]': {
            index: 4,
            lineNumber: 2,
            column: 1,
            message: 'Error: Line 2: Unexpected token ]'
        },

        '//\n\r]': {
            index: 4,
            lineNumber: 3,
            column: 1,
            message: 'Error: Line 3: Unexpected token ]'
        },

        '/a\\\n/': {
            index: 4,
            lineNumber: 1,
            column: 5,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        '//\r \n]': {
            index: 5,
            lineNumber: 3,
            column: 1,
            message: 'Error: Line 3: Unexpected token ]'
        },

        '/*\r\n*/]': {
            index: 6,
            lineNumber: 2,
            column: 3,
            message: 'Error: Line 2: Unexpected token ]'
        },

        '/*\n\r*/]': {
            index: 6,
            lineNumber: 3,
            column: 3,
            message: 'Error: Line 3: Unexpected token ]'
        },

        '/*\r \n*/]': {
            index: 7,
            lineNumber: 3,
            column: 3,
            message: 'Error: Line 3: Unexpected token ]'
        },

        '\\\\': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\\u005c': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },


        '\\x': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\\u0000': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\u200C = []': {
            index: 0,
            lineNumber: 1,
            column: 1,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '\u200D = []': {
            index: 0,
            lineNumber: 1,
            column: 1,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"\\': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        '"\\u': {
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected token ILLEGAL'
        },

        'try { } catch() {}': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Unexpected token )'
        },

        'return': {
            index: 6,
            lineNumber: 1,
            column: 7,
            message: 'Error: Line 1: Illegal return statement'
        },

        'break': {
            index: 5,
            lineNumber: 1,
            column: 6,
            message: 'Error: Line 1: Illegal break statement'
        },

        'continue': {
            index: 8,
            lineNumber: 1,
            column: 9,
            message: 'Error: Line 1: Illegal continue statement'
        },

        'switch (x) { default: continue; }': {
            index: 31,
            lineNumber: 1,
            column: 32,
            message: 'Error: Line 1: Illegal continue statement'
        },

        'do { x } *': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Unexpected token *'
        },

        'while (true) { break x; }': {
            index: 22,
            lineNumber: 1,
            column: 23,
            message: 'Error: Line 1: Undefined label \'x\''
        },

        'while (true) { continue x; }': {
            index: 25,
            lineNumber: 1,
            column: 26,
            message: 'Error: Line 1: Undefined label \'x\''
        },

        'x: while (true) { (function () { break x; }); }': {
            index: 40,
            lineNumber: 1,
            column: 41,
            message: 'Error: Line 1: Undefined label \'x\''
        },

        'x: while (true) { (function () { continue x; }); }': {
            index: 43,
            lineNumber: 1,
            column: 44,
            message: 'Error: Line 1: Undefined label \'x\''
        },

        'x: while (true) { (function () { break; }); }': {
            index: 39,
            lineNumber: 1,
            column: 40,
            message: 'Error: Line 1: Illegal break statement'
        },

        'x: while (true) { (function () { continue; }); }': {
            index: 42,
            lineNumber: 1,
            column: 43,
            message: 'Error: Line 1: Illegal continue statement'
        },

        'x: while (true) { x: while (true) { } }': {
            index: 20,
            lineNumber: 1,
            column: 21,
            message: 'Error: Line 1: Label \'x\' has already been declared'
        },

        '(function () { \'use strict\'; delete i; }())': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Delete of an unqualified identifier in strict mode.'
        },

        '(function () { \'use strict\'; with (i); }())': {
            index: 29,
            lineNumber: 1,
            column: 30,
            message: 'Error: Line 1: Strict mode code may not include a with statement'
        },

        'function hello() {\'use strict\'; ({ i: 42, i: 42 }) }': {
            index: 47,
            lineNumber: 1,
            column: 48,
            message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode'
        },

        'function hello() {\'use strict\'; ({ hasOwnProperty: 42, hasOwnProperty: 42 }) }': {
            index: 73,
            lineNumber: 1,
            column: 74,
            message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode'
        },

        'function hello() {\'use strict\'; var eval = 10; }': {
            index: 40,
            lineNumber: 1,
            column: 41,
            message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; var arguments = 10; }': {
            index: 45,
            lineNumber: 1,
            column: 46,
            message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; try { } catch (eval) { } }': {
            index: 51,
            lineNumber: 1,
            column: 52,
            message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; try { } catch (arguments) { } }': {
            index: 56,
            lineNumber: 1,
            column: 57,
            message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; eval = 10; }': {
            index: 32,
            lineNumber: 1,
            column: 33,
            message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode'
        },

        'function hello() {\'use strict\'; arguments = 10; }': {
            index: 32,
            lineNumber: 1,
            column: 33,
            message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode'
        },

        'function hello() {\'use strict\'; ++eval; }': {
            index: 38,
            lineNumber: 1,
            column: 39,
            message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; --eval; }': {
            index: 38,
            lineNumber: 1,
            column: 39,
            message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; ++arguments; }': {
            index: 43,
            lineNumber: 1,
            column: 44,
            message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; --arguments; }': {
            index: 43,
            lineNumber: 1,
            column: 44,
            message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; eval++; }': {
            index: 36,
            lineNumber: 1,
            column: 37,
            message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; eval--; }': {
            index: 36,
            lineNumber: 1,
            column: 37,
            message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; arguments++; }': {
            index: 41,
            lineNumber: 1,
            column: 42,
            message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; arguments--; }': {
            index: 41,
            lineNumber: 1,
            column: 42,
            message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode'
        },

        'function hello() {\'use strict\'; function eval() { } }': {
            index: 41,
            lineNumber: 1,
            column: 42,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; function arguments() { } }': {
            index: 41,
            lineNumber: 1,
            column: 42,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function eval() {\'use strict\'; }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function arguments() {\'use strict\'; }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; (function eval() { }()) }': {
            index: 42,
            lineNumber: 1,
            column: 43,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; (function arguments() { }()) }': {
            index: 42,
            lineNumber: 1,
            column: 43,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        '(function eval() {\'use strict\'; })()': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        '(function arguments() {\'use strict\'; })()': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function hello() {\'use strict\'; ({ s: function eval() { } }); }': {
            index: 47,
            lineNumber: 1,
            column: 48,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        '(function package() {\'use strict\'; })()': {
            index: 10,
            lineNumber: 1,
            column: 11,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() {\'use strict\'; ({ i: 10, set s(eval) { } }); }': {
            index: 48,
            lineNumber: 1,
            column: 49,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
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        'function hello() {\'use strict\'; ({ set s(eval) { } }); }': {
            index: 41,
            lineNumber: 1,
            column: 42,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function hello() {\'use strict\'; ({ s: function s(eval) { } }); }': {
            index: 49,
            lineNumber: 1,
            column: 50,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function hello(eval) {\'use strict\';}': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function hello(arguments) {\'use strict\';}': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function hello() { \'use strict\'; function inner(eval) {} }': {
            index: 48,
            lineNumber: 1,
            column: 49,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function hello() { \'use strict\'; function inner(arguments) {} }': {
            index: 48,
            lineNumber: 1,
            column: 49,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        ' "\\1"; \'use strict\';': {
            index: 1,
            lineNumber: 1,
            column: 2,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { \'use strict\'; "\\1"; }': {
            index: 33,
            lineNumber: 1,
            column: 34,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { \'use strict\'; 021; }': {
            index: 33,
            lineNumber: 1,
            column: 34,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { \'use strict\'; ({ "\\1": 42 }); }': {
            index: 36,
            lineNumber: 1,
            column: 37,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { \'use strict\'; ({ 021: 42 }); }': {
            index: 36,
            lineNumber: 1,
            column: 37,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { "octal directive\\1"; "use strict"; }': {
            index: 19,
            lineNumber: 1,
            column: 20,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { "octal directive\\1"; "octal directive\\2"; "use strict"; }': {
            index: 19,
            lineNumber: 1,
            column: 20,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { "use strict"; function inner() { "octal directive\\1"; } }': {
            index: 52,
            lineNumber: 1,
            column: 53,
            message: 'Error: Line 1: Octal literals are not allowed in strict mode.'
        },

        'function hello() { "use strict"; var implements; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var interface; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var package; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var private; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var protected; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var public; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var static; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var yield; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello() { "use strict"; var let; }': {
            index: 37,
            lineNumber: 1,
            column: 38,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function hello(static) { "use strict"; }': {
            index: 15,
            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function static() { "use strict"; }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function eval(a) { "use strict"; }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'function arguments(a) { "use strict"; }': {
            index: 9,
            lineNumber: 1,
            column: 10,
            message: 'Error: Line 1: Function name may not be eval or arguments in strict mode'
        },

        'var yield': {
            index: 4,
            lineNumber: 1,
            column: 5,
            message: 'Error: Line 1: Unexpected token yield'
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        'var let': {
            index: 4,
            lineNumber: 1,
            column: 5,
            message: 'Error: Line 1: Unexpected token let'
        },

        '"use strict"; function static() { }': {
            index: 23,
            lineNumber: 1,
            column: 24,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function a(t, t) { "use strict"; }': {
            index: 14,
            lineNumber: 1,
            column: 15,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        'function a(eval) { "use strict"; }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
        },

        'function a(package) { "use strict"; }': {
            index: 11,
            lineNumber: 1,
            column: 12,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

        'function a() { "use strict"; function b(t, t) { }; }': {
            index: 43,
            lineNumber: 1,
            column: 44,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        '(function a(t, t) { "use strict"; })': {
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            lineNumber: 1,
            column: 16,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        'function a() { "use strict"; (function b(t, t) { }); }': {
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            lineNumber: 1,
            column: 45,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        '(function a(eval) { "use strict"; })': {
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            lineNumber: 1,
            column: 13,
            message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode'
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        '(function a(package) { "use strict"; })': {
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            lineNumber: 1,
            column: 13,
            message: 'Error: Line 1: Use of future reserved word in strict mode'
        },

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            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Label \'__proto__\' has already been declared'
        },

        '"use strict"; function t(__proto__, __proto__) { }': {
            index: 36,
            lineNumber: 1,
            column: 37,
            message: 'Error: Line 1: Strict mode function may not have duplicate parameter names'
        },

        '"use strict"; x = { __proto__: 42, __proto__: 43 }': {
            index: 48,
            lineNumber: 1,
            column: 49,
            message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode'
        },

        '"use strict"; x = { get __proto__() { }, __proto__: 43 }': {
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            lineNumber: 1,
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            message: 'Error: Line 1: Object literal may not have data and accessor property with the same name'
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            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Unexpected end of input'
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            message: 'Error: Line 1: Unexpected end of input'
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            message: 'Error: Line 1: Unexpected end of input'
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        '{ ;  ;  ': {
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            lineNumber: 1,
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            message: 'Error: Line 1: Unexpected end of input'
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        'function t() { ;  ;  ': {
            index: 21,
            lineNumber: 1,
            column: 22,
            message: 'Error: Line 1: Unexpected end of input'
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                    "end": {
                        "line": 1,
                        "column": 13
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "}",
                "range": [
                    13,
                    14
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 13
                    },
                    "end": {
                        "line": 1,
                        "column": 14
                    }
                }
            },
            {
                "type": "RegularExpression",
                "value": "/42/",
                "regex": {
                    "pattern": "42",
                    "flags": ""
                },
                "range": [
                    15,
                    19
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 15
                    },
                    "end": {
                        "line": 1,
                        "column": 19
                    }
                }
            }
        ],

        'function(){} /42': [
            {
                "type": "Keyword",
                "value": "function",
                "range": [
                    0,
                    8
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 8
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "(",
                "range": [
                    8,
                    9
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 8
                    },
                    "end": {
                        "line": 1,
                        "column": 9
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": ")",
                "range": [
                    9,
                    10
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 9
                    },
                    "end": {
                        "line": 1,
                        "column": 10
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "{",
                "range": [
                    10,
                    11
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 10
                    },
                    "end": {
                        "line": 1,
                        "column": 11
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "}",
                "range": [
                    11,
                    12
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 11
                    },
                    "end": {
                        "line": 1,
                        "column": 12
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "/",
                "range": [
                    13,
                    14
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 13
                    },
                    "end": {
                        "line": 1,
                        "column": 14
                    }
                }
            },
            {
                "type": "Numeric",
                "value": "42",
                "range": [
                    14,
                    16
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 14
                    },
                    "end": {
                        "line": 1,
                        "column": 16
                    }
                }
            }
        ],

        '{} /42': [
            {
                "type": "Punctuator",
                "value": "{",
                "range": [
                    0,
                    1
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 1
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "}",
                "range": [
                    1,
                    2
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 1
                    },
                    "end": {
                        "line": 1,
                        "column": 2
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "/",
                "range": [
                    3,
                    4
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 3
                    },
                    "end": {
                        "line": 1,
                        "column": 4
                    }
                }
            },
            {
                "type": "Numeric",
                "value": "42",
                "range": [
                    4,
                    6
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 4
                    },
                    "end": {
                        "line": 1,
                        "column": 6
                    }
                }
            }
        ],

        '[function(){} /42]': [
            {
                "type": "Punctuator",
                "value": "[",
                "range": [
                    0,
                    1
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 1
                    }
                }
            },
            {
                "type": "Keyword",
                "value": "function",
                "range": [
                    1,
                    9
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 1
                    },
                    "end": {
                        "line": 1,
                        "column": 9
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "(",
                "range": [
                    9,
                    10
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 9
                    },
                    "end": {
                        "line": 1,
                        "column": 10
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": ")",
                "range": [
                    10,
                    11
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 10
                    },
                    "end": {
                        "line": 1,
                        "column": 11
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "{",
                "range": [
                    11,
                    12
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 11
                    },
                    "end": {
                        "line": 1,
                        "column": 12
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "}",
                "range": [
                    12,
                    13
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 12
                    },
                    "end": {
                        "line": 1,
                        "column": 13
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "/",
                "range": [
                    14,
                    15
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 14
                    },
                    "end": {
                        "line": 1,
                        "column": 15
                    }
                }
            },
            {
                "type": "Numeric",
                "value": "42",
                "range": [
                    15,
                    17
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 15
                    },
                    "end": {
                        "line": 1,
                        "column": 17
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "]",
                "range": [
                    17,
                    18
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 17
                    },
                    "end": {
                        "line": 1,
                        "column": 18
                    }
                }
            }
        ],

        ';function f(){} /42/': [
            {
                "type": "Punctuator",
                "value": ";",
                "range": [
                    0,
                    1
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 1
                    }
                }
            },
            {
                "type": "Keyword",
                "value": "function",
                "range": [
                    1,
                    9
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 1
                    },
                    "end": {
                        "line": 1,
                        "column": 9
                    }
                }
            },
            {
                "type": "Identifier",
                "value": "f",
                "range": [
                    10,
                    11
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 10
                    },
                    "end": {
                        "line": 1,
                        "column": 11
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "(",
                "range": [
                    11,
                    12
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 11
                    },
                    "end": {
                        "line": 1,
                        "column": 12
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": ")",
                "range": [
                    12,
                    13
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 12
                    },
                    "end": {
                        "line": 1,
                        "column": 13
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "{",
                "range": [
                    13,
                    14
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 13
                    },
                    "end": {
                        "line": 1,
                        "column": 14
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "}",
                "range": [
                    14,
                    15
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 14
                    },
                    "end": {
                        "line": 1,
                        "column": 15
                    }
                }
            },
            {
                "type": "RegularExpression",
                "value": "/42/",
                "regex": {
                    "pattern": "42",
                    "flags": ""
                },
                "range": [
                    16,
                    20
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 16
                    },
                    "end": {
                        "line": 1,
                        "column": 20
                    }
                }
            }
        ],

        'void /42/': [
            {
                "type": "Keyword",
                "value": "void",
                "range": [
                    0,
                    4
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 4
                    }
                }
            },
            {
                "type": "RegularExpression",
                "value": "/42/",
                "regex": {
                    "pattern": "42",
                    "flags": ""
                },
                "range": [
                    5,
                    9
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 5
                    },
                    "end": {
                        "line": 1,
                        "column": 9
                    }
                }
            }
        ],

        '/42/': [
            {
                "type": "RegularExpression",
                "value": "/42/",
                "regex": {
                    "pattern": "42",
                    "flags": ""
                },
                "range": [
                    0,
                    4
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 4
                    }
                }
            }
        ],

        'foo[/42]': [
            {
                "type": "Identifier",
                "value": "foo",
                "range": [
                    0,
                    3
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 3
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "[",
                "range": [
                    3,
                    4
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 3
                    },
                    "end": {
                        "line": 1,
                        "column": 4
                    }
                }
            }
        ],

        '[a] / b': [
            {
                "type": "Punctuator",
                "value": "[",
                "range": [
                    0,
                    1
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 0
                    },
                    "end": {
                        "line": 1,
                        "column": 1
                    }
                }
            },
            {
                "type": "Identifier",
                "value": "a",
                "range": [
                    1,
                    2
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 1
                    },
                    "end": {
                        "line": 1,
                        "column": 2
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "]",
                "range": [
                    2,
                    3
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 2
                    },
                    "end": {
                        "line": 1,
                        "column": 3
                    }
                }
            },
            {
                "type": "Punctuator",
                "value": "/",
                "range": [
                    4,
                    5
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 4
                    },
                    "end": {
                        "line": 1,
                        "column": 5
                    }
                }
            },
            {
                "type": "Identifier",
                "value": "b",
                "range": [
                    6,
                    7
                ],
                "loc": {
                    "start": {
                        "line": 1,
                        "column": 6
                    },
                    "end": {
                        "line": 1,
                        "column": 7
                    }
                }
            }
        ],

        '': [],

        '/42': {
            tokenize: true,
            index: 3,
            lineNumber: 1,
            column: 4,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        'foo[/42': {
            tokenize: true,
            index: 7,
            lineNumber: 1,
            column: 8,
            message: 'Error: Line 1: Invalid regular expression: missing /'
        },

        'this / 100;': [
          {
            "type": "Keyword",
            "value": "this",
            "range": [
              0,
              4
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 0
              },
              "end": {
                "line": 1,
                "column": 4
              }
            }
          },
          {
            "type": "Punctuator",
            "value": "/",
            "range": [
              5,
              6
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 5
              },
              "end": {
                "line": 1,
                "column": 6
              }
            }
          },
          {
            "type": "Numeric",
            "value": "100",
            "range": [
              7,
              10
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 7
              },
              "end": {
                "line": 1,
                "column": 10
              }
            }
          },
          {
            "type": "Punctuator",
            "value": ";",
            "range": [
              10,
              11
            ],
            "loc": {
              "start": {
                "line": 1,
                "column": 10
              },
              "end": {
                "line": 1,
                "column": 11
              }
            }
          }
        ]
    },

    'API': {
        'parse()': {
            call: 'parse',
            args: [],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'undefined'
                    }
                }]
            }
        },

        'parse(null)': {
            call: 'parse',
            args: [null],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: null,
                        raw: 'null'
                    }
                }]
            }
        },

        'parse(42)': {
            call: 'parse',
            args: [42],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 42,
                        raw: '42'
                    }
                }]
            }
        },

        'parse(true)': {
            call: 'parse',
            args: [true],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: true,
                        raw: 'true'
                    }
                }]
            }
        },

        'parse(undefined)': {
            call: 'parse',
            args: [void 0],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'undefined'
                    }
                }]
            }
        },

        'parse(new String("test"))': {
            call: 'parse',
            args: [new String('test')],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Identifier',
                        name: 'test'
                    }
                }]
            }
        },

        'parse(new Number(42))': {
            call: 'parse',
            args: [new Number(42)],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: 42,
                        raw: '42'
                    }
                }]
            }
        },

        'parse(new Boolean(true))': {
            call: 'parse',
            args: [new Boolean(true)],
            result: {
                type: 'Program',
                body: [{
                    type: 'ExpressionStatement',
                    expression: {
                        type: 'Literal',
                        value: true,
                        raw: 'true'
                    }
                }]
            }
        },

        'Syntax': {
            property: 'Syntax',
            result: {
                AssignmentExpression: 'AssignmentExpression',
                ArrayExpression: 'ArrayExpression',
                ArrowFunctionExpression: 'ArrowFunctionExpression',
                BlockStatement: 'BlockStatement',
                BinaryExpression: 'BinaryExpression',
                BreakStatement: 'BreakStatement',
                CallExpression: 'CallExpression',
                CatchClause: 'CatchClause',
                ConditionalExpression: 'ConditionalExpression',
                ContinueStatement: 'ContinueStatement',
                DoWhileStatement: 'DoWhileStatement',
                DebuggerStatement: 'DebuggerStatement',
                EmptyStatement: 'EmptyStatement',
                ExpressionStatement: 'ExpressionStatement',
                ForStatement: 'ForStatement',
                ForInStatement: 'ForInStatement',
                FunctionDeclaration: 'FunctionDeclaration',
                FunctionExpression: 'FunctionExpression',
                Identifier: 'Identifier',
                IfStatement: 'IfStatement',
                Literal: 'Literal',
                LabeledStatement: 'LabeledStatement',
                LogicalExpression: 'LogicalExpression',
                MemberExpression: 'MemberExpression',
                NewExpression: 'NewExpression',
                ObjectExpression: 'ObjectExpression',
                Program: 'Program',
                Property: 'Property',
                ReturnStatement: 'ReturnStatement',
                SequenceExpression: 'SequenceExpression',
                SwitchStatement: 'SwitchStatement',
                SwitchCase: 'SwitchCase',
                ThisExpression: 'ThisExpression',
                ThrowStatement: 'ThrowStatement',
                TryStatement: 'TryStatement',
                UnaryExpression: 'UnaryExpression',
                UpdateExpression: 'UpdateExpression',
                VariableDeclaration: 'VariableDeclaration',
                VariableDeclarator: 'VariableDeclarator',
                WhileStatement: 'WhileStatement',
                WithStatement: 'WithStatement'
            }
        },

        'tokenize()': {
          call: 'tokenize',
          args: [],
          result: [{
            type: 'Identifier',
            value: 'undefined'
          }]
        },

        'tokenize(null)': {
          call: 'tokenize',
          args: [null],
          result: [{
            type: 'Null',
            value: 'null'
          }]
        },

        'tokenize(42)': {
          call: 'tokenize',
          args: [42],
          result: [{
            type: 'Numeric',
            value: '42'
          }]
        },

        'tokenize(true)': {
          call: 'tokenize',
          args: [true],
          result: [{
            type: 'Boolean',
            value: 'true'
          }]
        },

        'tokenize(undefined)': {
          call: 'tokenize',
          args: [void 0],
          result: [{
            type: 'Identifier',
            value: 'undefined'
          }]
        },

        'tokenize(new String("test"))': {
          call: 'tokenize',
          args: [new String('test')],
          result: [{
            type: 'Identifier',
            value: 'test'
          }]
        },

        'tokenize(new Number(42))': {
          call: 'tokenize',
          args: [new Number(42)],
          result: [{
            type: 'Numeric',
            value: '42'
          }]
        },

        'tokenize(new Boolean(true))': {
          call: 'tokenize',
          args: [new Boolean(true)],
          result: [{
            type: 'Boolean',
            value: 'true'
          }]
        }
    },

    'Tolerant parse': {
        /** argument recovery */
        'f(a b c);': {
            range: [0, 9],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 9 }
            },
            type: "Program",
            body: [{
                range: [0, 9],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 9 }
                },
                type: "ExpressionStatement",
                expression: {
                    range: [0, 8],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 8 }
                    },
                    type: "CallExpression",
                    callee: {
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        },
                        type: "Identifier",
                        name: "f"
                    },
                    "arguments": [{
                        range: [2, 3],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 3 }
                        },
                        type: "Identifier",
                        name: "a"
                    }, {
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        },
                        type: "Identifier",
                        name: "b"
                    }, {
                        range: [6, 7],
                        loc: {
                            start: { line: 1, column: 6 },
                            end: { line: 1, column: 7 }
                        },
                        type: "Identifier",
                        name: "c"
                    }]
                }
            }],
            errors: [{
                index: 4,
                lineNumber: 1,
                column: 5,
                message: "Error: Line 1: Unexpected token b"
            }, {
                index: 6,
                lineNumber: 1,
                column: 7,
                message: "Error: Line 1: Unexpected token c"
            }]
        },

        /** argument recovery function */
        'f(a function(){} c);': {
            range: [0, 20],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 20 }
            },
            type: "Program",
            body: [{
                range: [0, 20],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 20 }
                },
                type: "ExpressionStatement",
                expression: {
                    range: [0, 19],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 19 }
                    },
                    type: "CallExpression",
                    callee: {
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        },
                        type: "Identifier",
                        name: "f"
                    },
                    "arguments": [{
                        range: [2, 3],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 3 }
                        },
                        type: "Identifier",
                        name: "a"
                    }, {
                        range: [4, 16],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 16 }
                        },
                        type: "FunctionExpression",
                        id: null,
                        params: [],
                        defaults: [],
                        body: {
                            range: [14, 16],
                            loc: {
                                start: { line: 1, column: 14 },
                                end: { line: 1, column: 16 }
                            },
                            type: "BlockStatement",
                            body: []
                        },
                        rest: null,
                        generator: false,
                        expression: false
                    }, {
                        range: [17, 18],
                        loc: {
                            start: { line: 1, column: 17 },
                            end: { line: 1, column: 18 }
                        },
                        type: "Identifier",
                        name: "c"
                    }]
                }
            }],
            errors: [{
                index: 4,
                lineNumber: 1,
                column: 5,
                message: "Error: Line 1: Unexpected token function"
            }, {
                index: 17,
                lineNumber: 1,
                column: 18,
                message: "Error: Line 1: Unexpected token c"
            }]
        },

        /** argument recovery object */
        'f({} b c);': {
            range: [0, 10],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 10 }
            },
            type: "Program",
            body: [{
                range: [0, 10],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 10 }
                },
                type: "ExpressionStatement",
                expression: {
                    range: [0, 9],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 9 }
                    },
                    type: "CallExpression",
                    callee: {
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        },
                        type: "Identifier",
                        name: "f"
                    },
                    "arguments": [{
                        range: [2, 4],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 4 }
                        },
                        type: "ObjectExpression",
                        properties: []
                    }, {
                        range: [5, 6],
                        loc: {
                            start: { line: 1, column: 5 },
                            end: { line: 1, column: 6 }
                        },
                        type: "Identifier",
                        name: "b"
                    }, {
                        range: [7, 8],
                        loc: {
                            start: { line: 1, column: 7 },
                            end: { line: 1, column: 8 }
                        },
                        type: "Identifier",
                        name: "c"
                    }]
                }
            }],
            errors: [{
                index: 5,
                lineNumber: 1,
                column: 6,
                message: "Error: Line 1: Unexpected token b"
            }, {
                index: 7,
                lineNumber: 1,
                column: 8,
                message: "Error: Line 1: Unexpected token c"
            }]
        },

        /** single recovery - missing comma*/
        'var o = {one: function() {} two:2};': {
            range: [0, 35],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 35 }
            },
            type: "Program",
            body: [{
                range: [0, 35],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 35 }
                },
                type: "VariableDeclaration",
                declarations: [{
                    range: [4, 34],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 34 }
                    },
                    type: "VariableDeclarator",
                    id: {
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        },
                        type: "Identifier",
                        name: "o"
                    },
                    init: {
                        range: [8, 34],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 34 }
                        },
                        type: "ObjectExpression",
                        properties: [{
                            range: [9, 27],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 27 }
                            },
                            type: "Property",
                            key: {
                                range: [9, 12],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 12 }
                                },
                                type: "Identifier",
                                name: "one"
                            },
                            value: {
                                range: [14, 27],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 27 }
                                },
                                type: "FunctionExpression",
                                id: null,
                                params: [],
                                defaults: [],
                                body: {
                                    range: [25, 27],
                                    loc: {
                                        start: { line: 1, column: 25 },
                                        end: { line: 1, column: 27 }
                                    },
                                    type: "BlockStatement",
                                    body: []
                                },
                                rest: null,
                                generator: false,
                                expression: false
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [28, 33],
                            loc: {
                                start: { line: 1, column: 28 },
                                end: { line: 1, column: 33 }
                            },
                            type: "Property",
                            key: {
                                range: [28, 31],
                                loc: {
                                    start: { line: 1, column: 28 },
                                    end: { line: 1, column: 31 }
                                },
                                type: "Identifier",
                                name: "two"
                            },
                            value: {
                                range: [32, 33],
                                loc: {
                                    start: { line: 1, column: 32 },
                                    end: { line: 1, column: 33 }
                                },
                                type: "Literal",
                                value: 2,
                                raw: "2"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }]
                    }
                }],
                kind: "var"
            }],
            tokens: [{
                type: "Keyword",
                value: "var",
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }, {
                type: "Identifier",
                value: "o",
                range: [4, 5],
                loc: {
                    start: { line: 1, column: 4 },
                    end: { line: 1, column: 5 }
                }
            }, {
                type: "Punctuator",
                value: "=",
                range: [6, 7],
                loc: {
                    start: { line: 1, column: 6 },
                    end: { line: 1, column: 7 }
                }
            }, {
                type: "Punctuator",
                value: "{",
                range: [8, 9],
                loc: {
                    start: { line: 1, column: 8 },
                    end: { line: 1, column: 9 }
                }
            }, {
                type: "Identifier",
                value: "one",
                range: [9, 12],
                loc: {
                    start: { line: 1, column: 9 },
                    end: { line: 1, column: 12 }
                }
            }, {
                type: "Punctuator",
                value: ":",
                range: [12, 13],
                loc: {
                    start: { line: 1, column: 12 },
                    end: { line: 1, column: 13 }
                }
            }, {
                type: "Keyword",
                value: "function",
                range: [14, 22],
                loc: {
                    start: { line: 1, column: 14 },
                    end: { line: 1, column: 22 }
                }
            }, {
                type: "Punctuator",
                value: "(",
                range: [22, 23],
                loc: {
                    start: { line: 1, column: 22 },
                    end: { line: 1, column: 23 }
                }
            }, {
                type: "Punctuator",
                value: ")",
                range: [23, 24],
                loc: {
                    start: { line: 1, column: 23 },
                    end: { line: 1, column: 24 }
                }
            }, {
                type: "Punctuator",
                value: "{",
                range: [25, 26],
                loc: {
                    start: { line: 1, column: 25 },
                    end: { line: 1, column: 26 }
                }
            }, {
                type: "Punctuator",
                value: "}",
                range: [26, 27],
                loc: {
                    start: { line: 1, column: 26 },
                    end: { line: 1, column: 27 }
                }
            }, {
                type: "Identifier",
                value: "two",
                range: [28, 31],
                loc: {
                    start: { line: 1, column: 28 },
                    end: { line: 1, column: 31 }
                }
            }, {
                type: "Punctuator",
                value: ":",
                range: [31, 32],
                loc: {
                    start: { line: 1, column: 31 },
                    end: { line: 1, column: 32 }
                }
            }, {
                type: "Numeric",
                value: "2",
                range: [32, 33],
                loc: {
                    start: { line: 1, column: 32 },
                    end: { line: 1, column: 33 }
                }
            }, {
                type: "Punctuator",
                value: "}",
                range: [33, 34],
                loc: {
                    start: { line: 1, column: 33 },
                    end: { line: 1, column: 34 }
                }
            }, {
                type: "Punctuator",
                value: ";",
                range: [34, 35],
                loc: {
                    start: { line: 1, column: 34 },
                    end: { line: 1, column: 35 }
                }
            }],
            errors: [{
                index: 28,
                lineNumber: 1,
                column: 29,
                message: "Error: Line 1: Unexpected token two"
            }]
        },

        /** successive recovery - missing comma*/
        'var o = {one: function() {} two:2 three: 3};': {
            range: [0, 44],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 44 }
            },
            type: "Program",
            body: [{
                range: [0, 44],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 44 }
                },
                type: "VariableDeclaration",
                declarations: [{
                    range: [4, 43],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 43 }
                    },
                    type: "VariableDeclarator",
                    id: {
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        },
                        type: "Identifier",
                        name: "o"
                    },
                    init: {
                        range: [8, 43],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 43 }
                        },
                        type: "ObjectExpression",
                        properties: [{
                            range: [9, 27],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 27 }
                            },
                            type: "Property",
                            key: {
                                range: [9, 12],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 12 }
                                },
                                type: "Identifier",
                                name: "one"
                            },
                            value: {
                                range: [14, 27],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 27 }
                                },
                                type: "FunctionExpression",
                                id: null,
                                params: [],
                                defaults: [],
                                body: {
                                    range: [25, 27],
                                    loc: {
                                        start: { line: 1, column: 25 },
                                        end: { line: 1, column: 27 }
                                    },
                                    type: "BlockStatement",
                                    body: []
                                },
                                rest: null,
                                generator: false,
                                expression: false
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [28, 33],
                            loc: {
                                start: { line: 1, column: 28 },
                                end: { line: 1, column: 33 }
                            },
                            type: "Property",
                            key: {
                                range: [28, 31],
                                loc: {
                                    start: { line: 1, column: 28 },
                                    end: { line: 1, column: 31 }
                                },
                                type: "Identifier",
                                name: "two"
                            },
                            value: {
                                range: [32, 33],
                                loc: {
                                    start: { line: 1, column: 32 },
                                    end: { line: 1, column: 33 }
                                },
                                type: "Literal",
                                value: 2,
                                raw: "2"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [34, 42],
                            loc: {
                                start: { line: 1, column: 34 },
                                end: { line: 1, column: 42 }
                            },
                            type: "Property",
                            key: {
                                range: [34, 39],
                                loc: {
                                    start: { line: 1, column: 34 },
                                    end: { line: 1, column: 39 }
                                },
                                type: "Identifier",
                                name: "three"
                            },
                            value: {
                                range: [41, 42],
                                loc: {
                                    start: { line: 1, column: 41 },
                                    end: { line: 1, column: 42 }
                                },
                                type: "Literal",
                                value: 3,
                                raw: "3"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }]
                    }
                }],
                kind: "var"
            }],
            errors: [{
                index: 28,
                lineNumber: 1,
                column: 29,
                message: "Error: Line 1: Unexpected token two"
            }, {
                index: 34,
                lineNumber: 1,
                column: 35,
                message: "Error: Line 1: Unexpected token three"
            }]
        },

        /** mixed recovery - missing comma */
        'var o = {one: function() {} two:2, three: 3 "four":4};': {
            range: [0, 54],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 54 }
            },
            type: "Program",
            body: [{
                range: [0, 54],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 54 }
                },
                type: "VariableDeclaration",
                declarations: [{
                    range: [4, 53],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 53 }
                    },
                    type: "VariableDeclarator",
                    id: {
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        },
                        type: "Identifier",
                        name: "o"
                    },
                    init: {
                        range: [8, 53],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 53 }
                        },
                        type: "ObjectExpression",
                        properties: [{
                            range: [9, 27],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 27 }
                            },
                            type: "Property",
                            key: {
                                range: [9, 12],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 12 }
                                },
                                type: "Identifier",
                                name: "one"
                            },
                            value: {
                                range: [14, 27],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 27 }
                                },
                                type: "FunctionExpression",
                                id: null,
                                params: [],
                                defaults: [],
                                body: {
                                    range: [25, 27],
                                    loc: {
                                        start: { line: 1, column: 25 },
                                        end: { line: 1, column: 27 }
                                    },
                                    type: "BlockStatement",
                                    body: []
                                },
                                rest: null,
                                generator: false,
                                expression: false
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [28, 33],
                            loc: {
                                start: { line: 1, column: 28 },
                                end: { line: 1, column: 33 }
                            },
                            type: "Property",
                            key: {
                                range: [28, 31],
                                loc: {
                                    start: { line: 1, column: 28 },
                                    end: { line: 1, column: 31 }
                                },
                                type: "Identifier",
                                name: "two"
                            },
                            value: {
                                range: [32, 33],
                                loc: {
                                    start: { line: 1, column: 32 },
                                    end: { line: 1, column: 33 }
                                },
                                type: "Literal",
                                value: 2,
                                raw: "2"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [35, 43],
                            loc: {
                                start: { line: 1, column: 35 },
                                end: { line: 1, column: 43 }
                            },
                            type: "Property",
                            key: {
                                range: [35, 40],
                                loc: {
                                    start: { line: 1, column: 35 },
                                    end: { line: 1, column: 40 }
                                },
                                type: "Identifier",
                                name: "three"
                            },
                            value: {
                                range: [42, 43],
                                loc: {
                                    start: { line: 1, column: 42 },
                                    end: { line: 1, column: 43 }
                                },
                                type: "Literal",
                                value: 3,
                                raw: "3"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [44, 52],
                            loc: {
                                start: { line: 1, column: 44 },
                                end: { line: 1, column: 52 }
                            },
                            type: "Property",
                            key: {
                                range: [44, 50],
                                loc: {
                                    start: { line: 1, column: 44 },
                                    end: { line: 1, column: 50 }
                                },
                                type: "Literal",
                                value: "four",
                                raw: "\"four\""
                            },
                            value: {
                                range: [51, 52],
                                loc: {
                                    start: { line: 1, column: 51 },
                                    end: { line: 1, column: 52 }
                                },
                                type: "Literal",
                                value: 4,
                                raw: "4"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }]
                    }
                }],
                kind: "var"
            }],
            errors: [{
                index: 28,
                lineNumber: 1,
                column: 29,
                message: "Error: Line 1: Unexpected token two"
            }, {
                index: 44,
                lineNumber: 1,
                column: 45,
                message: "Error: Line 1: Unexpected token four"
            }]
        },

        /** nested recovery - missing comma */
        'var o = {one: function() {} two:2, three: {aa: "a" bb: "b"} four: 4};': {
            range: [0, 69],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 69 }
            },
            type: "Program",
            body: [{
                range: [0, 69],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 69 }
                },
                type: "VariableDeclaration",
                declarations: [{
                    range: [4, 68],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 68 }
                    },
                    type: "VariableDeclarator",
                    id: {
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        },
                        type: "Identifier",
                        name: "o"
                    },
                    init: {
                        range: [8, 68],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 68 }
                        },
                        type: "ObjectExpression",
                        properties: [{
                            range: [9, 27],
                            loc: {
                                start: { line: 1, column: 9 },
                                end: { line: 1, column: 27 }
                            },
                            type: "Property",
                            key: {
                                range: [9, 12],
                                loc: {
                                    start: { line: 1, column: 9 },
                                    end: { line: 1, column: 12 }
                                },
                                type: "Identifier",
                                name: "one"
                            },
                            value: {
                                range: [14, 27],
                                loc: {
                                    start: { line: 1, column: 14 },
                                    end: { line: 1, column: 27 }
                                },
                                type: "FunctionExpression",
                                id: null,
                                params: [],
                                defaults: [],
                                body: {
                                    range: [25, 27],
                                    loc: {
                                        start: { line: 1, column: 25 },
                                        end: { line: 1, column: 27 }
                                    },
                                    type: "BlockStatement",
                                    body: []
                                },
                                rest: null,
                                generator: false,
                                expression: false
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [28, 33],
                            loc: {
                                start: { line: 1, column: 28 },
                                end: { line: 1, column: 33 }
                            },
                            type: "Property",
                            key: {
                                range: [28, 31],
                                loc: {
                                    start: { line: 1, column: 28 },
                                    end: { line: 1, column: 31 }
                                },
                                type: "Identifier",
                                name: "two"
                            },
                            value: {
                                range: [32, 33],
                                loc: {
                                    start: { line: 1, column: 32 },
                                    end: { line: 1, column: 33 }
                                },
                                type: "Literal",
                                value: 2,
                                raw: "2"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [35, 59],
                            loc: {
                                start: { line: 1, column: 35 },
                                end: { line: 1, column: 59 }
                            },
                            type: "Property",
                            key: {
                                range: [35, 40],
                                loc: {
                                    start: { line: 1, column: 35 },
                                    end: { line: 1, column: 40 }
                                },
                                type: "Identifier",
                                name: "three"
                            },
                            value: {
                                range: [42, 59],
                                loc: {
                                    start: { line: 1, column: 42 },
                                    end: { line: 1, column: 59 }
                                },
                                type: "ObjectExpression",
                                properties: [{
                                    range: [43, 50],
                                    loc: {
                                        start: { line: 1, column: 43 },
                                        end: { line: 1, column: 50 }
                                    },
                                    type: "Property",
                                    key: {
                                        range: [43, 45],
                                        loc: {
                                            start: { line: 1, column: 43 },
                                            end: { line: 1, column: 45 }
                                        },
                                        type: "Identifier",
                                        name: "aa"
                                    },
                                    value: {
                                        range: [47, 50],
                                        loc: {
                                            start: { line: 1, column: 47 },
                                            end: { line: 1, column: 50 }
                                        },
                                        type: "Literal",
                                        value: "a",
                                        raw: "\"a\""
                                    },
                                    kind: "init",
                                    method: false,
                                    shorthand: false
                                }, {
                                    range: [51, 58],
                                    loc: {
                                        start: { line: 1, column: 51 },
                                        end: { line: 1, column: 58 }
                                    },
                                    type: "Property",
                                    key: {
                                        range: [51, 53],
                                        loc: {
                                            start: { line: 1, column: 51 },
                                            end: { line: 1, column: 53 }
                                        },
                                        type: "Identifier",
                                        name: "bb"
                                    },
                                    value: {
                                        range: [55, 58],
                                        loc: {
                                            start: { line: 1, column: 55 },
                                            end: { line: 1, column: 58 }
                                        },
                                        type: "Literal",
                                        value: "b",
                                        raw: "\"b\""
                                    },
                                    kind: "init",
                                    method: false,
                                    shorthand: false
                                }]
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }, {
                            range: [60, 67],
                            loc: {
                                start: { line: 1, column: 60 },
                                end: { line: 1, column: 67 }
                            },
                            type: "Property",
                            key: {
                                range: [60, 64],
                                loc: {
                                    start: { line: 1, column: 60 },
                                    end: { line: 1, column: 64 }
                                },
                                type: "Identifier",
                                name: "four"
                            },
                            value: {
                                range: [66, 67],
                                loc: {
                                    start: { line: 1, column: 66 },
                                    end: { line: 1, column: 67 }
                                },
                                type: "Literal",
                                value: 4,
                                raw: "4"
                            },
                            kind: "init",
                            method: false,
                            shorthand: false
                        }]
                    }
                }],
                kind: "var"
            }],
            errors: [{
                index: 28,
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                message: "Error: Line 1: Unexpected token bb"
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                message: "Error: Line 1: Unexpected token four"
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        'x = { y: z; }': {
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                message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode'
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                            defaults: [],
                            body: {
                                type: 'BlockStatement',
                                body: [],
                                range: [11, 14],
                                loc: {
                                    start: { line: 1, column: 11 },
                                    end: { line: 1, column: 14 }
                                }
                            },
                            rest: null,
                            generator: false,
                            expression: false,
                            range: [11, 14],
                            loc: {
                                start: { line: 1, column: 11 },
                                end: { line: 1, column: 14 }
                            }
                        },
                        kind: 'set',
                        method: false,
                        shorthand: false,
                        range: [3, 14],
                        loc: {
                            start: { line: 1, column: 3 },
                            end: { line: 1, column: 14 }
                        }
                    }],
                    range: [1, 16],
                    loc: {
                        start: { line: 1, column: 1 },
                        end: { line: 1, column: 16 }
                    }
                },
                range: [0, 17],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 17 }
                }
            }],
            range: [0, 17],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 17 }
            },
            errors: [{
                index: 9,
                lineNumber: 1,
                column: 10,
                message: 'Error: Line 1: Unexpected token )'
            }]
        },

        'foo("bar") = baz': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'AssignmentExpression',
                    operator: '=',
                    left: {
                        type: 'CallExpression',
                        callee: {
                            type: 'Identifier',
                            name: 'foo',
                            range: [0, 3],
                            loc: {
                                start: { line: 1, column: 0 },
                                end: { line: 1, column: 3 }
                            }
                        },
                        'arguments': [{
                            type: 'Literal',
                            value: 'bar',
                            raw: '"bar"',
                            range: [4, 9],
                            loc: {
                                start: { line: 1, column: 4 },
                                end: { line: 1, column: 9 }
                            }
                        }],
                        range: [0, 10],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 10 }
                        }
                    },
                    right: {
                        type: 'Identifier',
                        name: 'baz',
                        range: [13, 16],
                        loc: {
                            start: { line: 1, column: 13 },
                            end: { line: 1, column: 16 }
                        }
                    },
                    range: [0, 16],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 16 }
                    }
                },
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            errors: [{
                index: 10,
                lineNumber: 1,
                column: 11,
                message: 'Error: Line 1: Invalid left-hand side in assignment'
            }]
        },

        '1 = 2': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'AssignmentExpression',
                    operator: '=',
                    left: {
                        type: 'Literal',
                        value: 1,
                        raw: '1',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    right: {
                        type: 'Literal',
                        value: 2,
                        raw: '2',
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    range: [0, 5],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 5 }
                    }
                },
                range: [0, 5],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 5 }
                }
            }],
            range: [0, 5],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 5 }
            },
            errors: [{
                index: 1,
                lineNumber: 1,
                column: 2,
                message: 'Error: Line 1: Invalid left-hand side in assignment'
            }]
        },

        '3++': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'UpdateExpression',
                    operator: '++',
                    argument: {
                        type: 'Literal',
                        value: 3,
                        raw: '3',
                        range: [0, 1],
                        loc: {
                            start: { line: 1, column: 0 },
                            end: { line: 1, column: 1 }
                        }
                    },
                    prefix: false,
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }],
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            },
            errors: [{
                index: 1,
                lineNumber: 1,
                column: 2,
                message: 'Error: Line 1: Invalid left-hand side in assignment'
            }]
        },

        '--4': {
            type: 'Program',
            body: [{
                type: 'ExpressionStatement',
                expression: {
                    type: 'UpdateExpression',
                    operator: '--',
                    argument: {
                        type: 'Literal',
                        value: 4,
                        raw: '4',
                        range: [2, 3],
                        loc: {
                            start: { line: 1, column: 2 },
                            end: { line: 1, column: 3 }
                        }
                    },
                    prefix: true,
                    range: [0, 3],
                    loc: {
                        start: { line: 1, column: 0 },
                        end: { line: 1, column: 3 }
                    }
                },
                range: [0, 3],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 3 }
                }
            }],
            range: [0, 3],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 3 }
            },
            errors: [{
                index: 3,
                lineNumber: 1,
                column: 4,
                message: 'Error: Line 1: Invalid left-hand side in assignment'
            }]
        },

        'for (5 in []) {}': {
            type: 'Program',
            body: [{
                type: 'ForInStatement',
                left: {
                    type: 'Literal',
                    value: 5,
                    raw: '5',
                    range: [5, 6],
                    loc: {
                        start: { line: 1, column: 5 },
                        end: { line: 1, column: 6 }
                    }
                },
                right: {
                    type: 'ArrayExpression',
                    elements: [],
                    range: [10, 12],
                    loc: {
                        start: { line: 1, column: 10 },
                        end: { line: 1, column: 12 }
                    }
                },
                body: {
                    type: 'BlockStatement',
                    body: [],
                    range: [14, 16],
                    loc: {
                        start: { line: 1, column: 14 },
                        end: { line: 1, column: 16 }
                    }
                },
                each: false,
                range: [0, 16],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 16 }
                }
            }],
            range: [0, 16],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 16 }
            },
            errors: [{
                index: 6,
                lineNumber: 1,
                column: 7,
                message: 'Error: Line 1: Invalid left-hand side in for-in'
            }]
        },

        'var x = /[P QR]/\\g': {
            type: "Program",
            body: [{
                type: "VariableDeclaration",
                declarations: [{
                    type: "VariableDeclarator",
                    id: {
                        type: "Identifier",
                        name: "x",
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: "Literal",
                        value: "/[P QR]/g",
                        raw: "/[P QR]/\\g",
                        regex: {
                            pattern: "[P QR]",
                            flags: "g"
                        },
                        range: [8, 18],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 18 }
                        }
                    },
                    range: [4, 18],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 18 }
                    }
                }],
                kind: "var",
                range: [0, 18],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 18 }
                }
            }],
            range: [0, 18],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 18 }
            },
            errors: [{
                index: 17,
                lineNumber: 1,
                column: 18,
                message: "Error: Line 1: Unexpected token ILLEGAL"
            }]
        },

        'var x = /[P QR]/\\\\u0067': {
            type: "Program",
            body: [{
                type: "VariableDeclaration",
                declarations: [{
                    type: "VariableDeclarator",
                    id: {
                        type: "Identifier",
                        name: "x",
                        range: [4, 5],
                        loc: {
                            start: { line: 1, column: 4 },
                            end: { line: 1, column: 5 }
                        }
                    },
                    init: {
                        type: "Literal",
                        value: "/[P QR]/g",
                        raw: "/[P QR]/\\\\u0067",
                        regex: {
                            pattern: "[P QR]",
                            flags: "g"
                        },
                        range: [8, 23],
                        loc: {
                            start: { line: 1, column: 8 },
                            end: { line: 1, column: 23 }
                        }
                    },
                    range: [4, 23],
                    loc: {
                        start: { line: 1, column: 4 },
                        end: { line: 1, column: 23 }
                    }
                }],
                kind: "var",
                range: [0, 23],
                loc: {
                    start: { line: 1, column: 0 },
                    end: { line: 1, column: 23 }
                }
            }],
            range: [0, 23],
            loc: {
                start: { line: 1, column: 0 },
                end: { line: 1, column: 23 }
            },
            errors: [{
                index: 17,
                lineNumber: 1,
                column: 18,
                message: "Error: Line 1: Unexpected token ILLEGAL"
            }, {
                index: 23,
                lineNumber: 1,
                column: 24,
                message: "Error: Line 1: Unexpected token ILLEGAL"
            }]
        }

    }
};
