org.codehaus.groovy.antlr.treewalker

## Class TraversalHelper

- java.lang.Object
- - org.codehaus.groovy.antlr.treewalker.TraversalHelper

- All Implemented Interfaces:
    AntlrASTProcessor
  Direct Known Subclasses:
    FlatNodeListTraversal, PreOrderTraversal, SourceCodeTraversal

      public abstract class TraversalHelper
      extends Object
      implements AntlrASTProcessor

  Helper Class for Antlr AST traversal and visitation.
  Version:
    $Revision$
  Author:
    Jeremy Rayner

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected List<GroovySourceAST>` | `unvisitedNodes`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `TraversalHelper(Visitor visitor)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `accept_FirstChild_v_RestOfTheChildren_v_LastChild(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_RestOfTheChildren(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_SecondChild_v_ThirdChild_v(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_SecondChild_v(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_SecondChild(GroovySourceAST t)`
    `protected void` | `accept_FirstChild_v_SecondChildsChildren_v(GroovySourceAST t)`
    `protected void` | `accept_FirstSecondAndThirdChild_v_v_ForthChild(GroovySourceAST t)`
    `protected void` | `accept_SecondChild_v_ThirdChild_v(GroovySourceAST t)`
    `protected void` | `accept_v_AllChildren_v_Siblings(GroovySourceAST t)`
    `protected void` | `accept_v_AllChildren_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_2ndv_SecondChild_v___LastChild_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_SecondChild_v_ThirdChild_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_v_RestOfTheChildren(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_v_SecondChild_v___LastChild_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChild_v(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChildsFirstChild_v_Child2_Child3_v_Child4_v___v_LastChild(GroovySourceAST t)`
    `protected void` | `accept_v_FirstChildsFirstChild_v_RestOfTheChildren(GroovySourceAST t)`
    `protected void` | `accept_v_Siblings_v(GroovySourceAST t)`
    `protected abstract void` | `accept(GroovySourceAST currentNode)`
    `protected void` | `acceptChildren(GroovySourceAST t)`
    `protected void` | `acceptSiblings(GroovySourceAST t)`
    `protected void` | `closingVisit(GroovySourceAST t)`
    `protected void` | `openingVisit(GroovySourceAST t)`
    `protected GroovySourceAST` | `pop()`
    `AST` | `process(AST t)` performs some processing on the supplied AST node.
    `protected void` | `push(GroovySourceAST ast)`
    `protected void` | `secondVisit(GroovySourceAST t)`
    `protected void` | `setUp(GroovySourceAST ast)`
    `protected void` | `skip(GroovySourceAST expr)`
    `protected void` | `subsequentVisit(GroovySourceAST t)`
    `protected void` | `tearDown(GroovySourceAST ast)`
    `protected void` | `visitNode(GroovySourceAST ast, int n)`

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

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

- - ### Field Detail

    - #### unvisitedNodes

          protected List<GroovySourceAST> unvisitedNodes

  - ### Constructor Detail

    - #### TraversalHelper

          public TraversalHelper(Visitor visitor)

  - ### Method Detail

    - #### setUp

          protected void setUp(GroovySourceAST ast)

    - #### tearDown

          protected void tearDown(GroovySourceAST ast)

    - #### push

          protected void push(GroovySourceAST ast)

    - #### pop

          protected GroovySourceAST pop()

    - #### visitNode

          protected void visitNode(GroovySourceAST ast,
                       int n)

    - #### accept

          protected abstract void accept(GroovySourceAST currentNode)

    - #### accept_v_FirstChildsFirstChild_v_Child2_Child3_v_Child4_v___v_LastChild

          protected void accept_v_FirstChildsFirstChild_v_Child2_Child3_v_Child4_v___v_LastChild(GroovySourceAST t)

    - #### accept_v_FirstChildsFirstChild_v_RestOfTheChildren

          protected void accept_v_FirstChildsFirstChild_v_RestOfTheChildren(GroovySourceAST t)

    - #### accept_FirstChild_v_SecondChild

          protected void accept_FirstChild_v_SecondChild(GroovySourceAST t)

    - #### accept_FirstChild_v_SecondChild_v

          protected void accept_FirstChild_v_SecondChild_v(GroovySourceAST t)

    - #### accept_SecondChild_v_ThirdChild_v

          protected void accept_SecondChild_v_ThirdChild_v(GroovySourceAST t)

    - #### accept_FirstChild_v_SecondChildsChildren_v

          protected void accept_FirstChild_v_SecondChildsChildren_v(GroovySourceAST t)

    - #### accept_v_FirstChild_SecondChild_v_ThirdChild_v

          protected void accept_v_FirstChild_SecondChild_v_ThirdChild_v(GroovySourceAST t)

    - #### accept_FirstChild_v_SecondChild_v_ThirdChild_v

          protected void accept_FirstChild_v_SecondChild_v_ThirdChild_v(GroovySourceAST t)

    - #### accept_FirstSecondAndThirdChild_v_v_ForthChild

          protected void accept_FirstSecondAndThirdChild_v_v_ForthChild(GroovySourceAST t)

    - #### accept_v_FirstChild_2ndv_SecondChild_v___LastChild_v

          protected void accept_v_FirstChild_2ndv_SecondChild_v___LastChild_v(GroovySourceAST t)

    - #### accept_v_FirstChild_v_SecondChild_v___LastChild_v

          protected void accept_v_FirstChild_v_SecondChild_v___LastChild_v(GroovySourceAST t)

    - #### accept_v_FirstChild_v

          protected void accept_v_FirstChild_v(GroovySourceAST t)

    - #### accept_v_Siblings_v

          protected void accept_v_Siblings_v(GroovySourceAST t)

    - #### accept_v_AllChildren_v_Siblings

          protected void accept_v_AllChildren_v_Siblings(GroovySourceAST t)

    - #### accept_v_AllChildren_v

          protected void accept_v_AllChildren_v(GroovySourceAST t)

    - #### accept_FirstChild_v_RestOfTheChildren

          protected void accept_FirstChild_v_RestOfTheChildren(GroovySourceAST t)

    - #### accept_FirstChild_v_RestOfTheChildren_v_LastChild

          protected void accept_FirstChild_v_RestOfTheChildren_v_LastChild(GroovySourceAST t)

    - #### accept_FirstChild_v_RestOfTheChildren_v

          protected void accept_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t)

    - #### accept_v_FirstChild_v_RestOfTheChildren

          protected void accept_v_FirstChild_v_RestOfTheChildren(GroovySourceAST t)

    - #### accept_v_FirstChild_v_RestOfTheChildren_v

          protected void accept_v_FirstChild_v_RestOfTheChildren_v(GroovySourceAST t)

    - #### acceptSiblings

          protected void acceptSiblings(GroovySourceAST t)

    - #### acceptChildren

          protected void acceptChildren(GroovySourceAST t)

    - #### skip

          protected void skip(GroovySourceAST expr)

    - #### openingVisit

          protected void openingVisit(GroovySourceAST t)

    - #### secondVisit

          protected void secondVisit(GroovySourceAST t)

    - #### subsequentVisit

          protected void subsequentVisit(GroovySourceAST t)

    - #### closingVisit

          protected void closingVisit(GroovySourceAST t)

    - #### process

          public AST process(AST t)

      Description copied from interface: `AntlrASTProcessor`
      performs some processing on the supplied AST node.
      Specified by:
        `process` in interface `AntlrASTProcessor`
      Parameters:
        `t` - the AST node to process.
      Returns:
        possibly returns the AST modified or null, depends on the implementation.