Package org.codehaus.groovy.transform.stc

# Class SharedVariableCollector

java.lang.Object
org.codehaus.groovy.ast.CodeVisitorSupport
org.codehaus.groovy.ast.ClassCodeVisitorSupport
org.codehaus.groovy.transform.stc.SharedVariableCollector

All Implemented Interfaces:
  `GroovyClassVisitor`, `GroovyCodeVisitor`, `ErrorCollecting`

public class SharedVariableCollector extends ClassCodeVisitorSupport
A visitor which collects the list of variable expressions which are closure shared.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `SharedVariableCollector(SourceUnit unit)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Set<VariableExpression>`
  `getClosureSharedExpressions()`
  `protected SourceUnit`
  `getSourceUnit()`
  `void`
  `visitVariableExpression(VariableExpression expression)`

  ### Methods inherited from class org.codehaus.groovy.ast.ClassCodeVisitorSupport

  `addError, visitAnnotation, visitAnnotations, 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`

  ### Methods inherited from class org.codehaus.groovy.ast.CodeVisitorSupport

  `afterSwitchConditionExpressionVisited, visitArgumentlistExpression, visitArrayExpression, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBooleanExpression, visitBytecodeExpression, visitCastExpression, visitClassExpression, visitClosureExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitEmptyStatement, visitFieldExpression, visitGStringExpression, visitLambdaExpression, visitListExpression, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitMethodReferenceExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitPropertyExpression, visitRangeExpression, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitTernaryExpression, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

  ### Methods inherited from interface org.codehaus.groovy.ast.GroovyCodeVisitor

  `visit, visit, visitEmptyExpression, visitListOfExpressions`

- ## Constructor Details

  - ### SharedVariableCollector

    public SharedVariableCollector(SourceUnit unit)

- ## Method Details

  - ### getSourceUnit

    protected SourceUnit getSourceUnit()
    Specified by:
      `getSourceUnit` in class `ClassCodeVisitorSupport`

  - ### getClosureSharedExpressions

    public Set<VariableExpression> getClosureSharedExpressions()

  - ### visitVariableExpression

    public void visitVariableExpression(VariableExpression expression)
    Specified by:
      `visitVariableExpression` in interface `GroovyCodeVisitor`
    Overrides:
      `visitVariableExpression` in class `CodeVisitorSupport`