Package: org.codehaus.groovy.tools.shell.util

## [Groovy] Class VariableVisitor

- org.codehaus.groovy.tools.shell.util.ScriptVariableAnalyzer.VariableVisitor

- All Implemented Interfaces and Traits:
    GroovyClassVisitor

      static class ScriptVariableAnalyzer.VariableVisitor
      extends ClassCodeVisitorSupport

  define a visitor that visits all variable expressions

- - ### Properties Summary

    Properties
    Type | Name and description
    --- | ---
    `Set<String>` | `bound`
    `Set<String>` | `unbound`

  - ### Methods Summary

    Methods
    Type Params | Return Type | Name and description
    --- | --- | ---
    `` | `protected SourceUnit` | `getSourceUnit()`
    `` | `void` | `visitVariableExpression(VariableExpression expression)`

  - ### Inherited Methods Summary

    Inherited Methods
    Methods inherited from class | Name
    --- | ---
    `class ClassCodeVisitorSupport` | `addError, getSourceUnit, visitAnnotations, visitAssertStatement, visitBlockStatement, visitBreakStatement, visitCaseStatement, visitCatchStatement, visitClass, visitClassCodeContainer, visitConstructor, visitConstructorOrMethod, visitContinueStatement, visitDeclarationExpression, visitDoWhileLoop, visitExpressionStatement, visitField, visitForLoop, visitIfElse, visitImports, visitMethod, visitObjectInitializerStatements, visitPackage, visitProperty, visitReturnStatement, visitStatement, visitSwitch, visitSynchronizedStatement, visitThrowStatement, visitTryCatchFinally, visitWhileLoop`
    `class CodeVisitorSupport` | `visitArgumentlistExpression, visitArrayExpression, visitAssertStatement, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBlockStatement, visitBooleanExpression, visitBreakStatement, visitBytecodeExpression, visitCaseStatement, visitCastExpression, visitCatchStatement, visitClassExpression, visitClosureExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitContinueStatement, visitDeclarationExpression, visitDoWhileLoop, visitEmptyStatement, visitExpressionStatement, visitFieldExpression, visitForLoop, visitGStringExpression, visitIfElse, visitListExpression, visitListOfExpressions, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitPropertyExpression, visitRangeExpression, visitReturnStatement, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitSwitch, visitSynchronizedStatement, visitTernaryExpression, visitThrowStatement, visitTryCatchFinally, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression, visitWhileLoop`
    `class Object` | `wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll`

- - ### Property Detail

    - #### Set<String> bound

    - #### Set<String> unbound

  - ### Method Detail

    - #### @Override protected SourceUnit getSourceUnit()

    - #### @Override void visitVariableExpression(VariableExpression expression)