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## org.codehaus.groovy.transform
[Java] Class ASTTransformationVisitor

    java.lang.Object
      org.codehaus.groovy.ast.CodeVisitorSupport
          org.codehaus.groovy.ast.ClassCodeVisitorSupport
              org.codehaus.groovy.transform.ASTTransformationVisitor

    public final class ASTTransformationVisitor
    extends ClassCodeVisitorSupport

This class handles the invocation of the ASTAnnotationTransformation when it is encountered by a tree walk. One instance of each exists for each phase of the compilation it applies to. Before invocation the

ASTTransformationCollectorCodeVisitor will add a list of annotations that this visitor should be concerned about. All other annotations are ignored, whether or not they are GroovyASTTransformation annotated or not.

A Two-pass method is used. First all candidate annotations are added to a list then the transformations are called on those collected annotations. This is done to avoid concurrent modification exceptions during the AST tree walk and allows the transformations to alter any portion of the AST tree. Hence annotations that are added in this phase will not be processed as transformations. They will only be handled in later phases (and then only if the type was in the AST prior to any AST transformations being run against it).

Authors:
  Danno Ferrin (shemnon)

Method Summary
`static void` | `addGlobalTransforms(CompilationUnit compilationUnit)`
`static void` | `addGlobalTransformsAfterGrab()`
`static void` | `addPhaseOperations(CompilationUnit compilationUnit)`
`protected SourceUnit` | `getSourceUnit()`
`void` | `visitAnnotations(AnnotatedNode node)` Adds the annotation to the internal target list if a match is found.
`void` | `visitClass(ClassNode classNode)` Main loop entry.

Methods inherited from class ClassCodeVisitorSupport
addError, getSourceUnit, visitAnnotations, visitAssertStatement, visitBlockStatement, visitBreakStatement, visitCaseStatement, visitCatchStatement, visitClass, visitClassCodeContainer, visitConstructor, visitConstructorOrMethod, visitContinueStatement, visitDoWhileLoop, visitExpressionStatement, visitField, visitForLoop, visitIfElse, visitImports, visitMethod, visitObjectInitializerStatements, visitPackage, visitProperty, visitReturnStatement, visitStatement, visitSwitch, visitSynchronizedStatement, visitThrowStatement, visitTryCatchFinally, visitVariableExpression, visitWhileLoop

Methods inherited from 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, visitRegexExpression, visitReturnStatement, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitSwitch, visitSynchronizedStatement, visitTernaryExpression, visitThrowStatement, visitTryCatchFinally, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression, visitWhileLoop

Methods inherited from class Object
wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll

Method Detail

### addGlobalTransforms

    public static void addGlobalTransforms(CompilationUnit compilationUnit)

### addGlobalTransformsAfterGrab

    public static void addGlobalTransformsAfterGrab()

### addPhaseOperations

    public static void addPhaseOperations(CompilationUnit compilationUnit)

### getSourceUnit

    protected SourceUnit getSourceUnit()

### visitAnnotations

    public void visitAnnotations(AnnotatedNode node)

  Adds the annotation to the internal target list if a match is found.
  Parameters:
    `node` - the node to be processed

### visitClass

    public void visitClass(ClassNode classNode)

  Main loop entry.

  First, it delegates to the super visitClass so we can collect the relevant annotations in an AST tree walk.

  Second, it calls the visit method on the transformation for each relevant annotation found.
  Parameters:
    `classNode` - the class to visit

Copyright © 2003-2010 The Codehaus. All rights reserved.