Package antlr.collections

Interface AST

All Known Implementing Classes:
ASTNULLType, BaseAST, CommonAST, CommonASTWithHiddenTokens, ParseTree, ParseTreeRule, ParseTreeToken
public interface AST
Minimal AST node interface used by ANTLR AST generation and tree-walker.

  • Method Details

    • addChild

      void addChild(AST c)
      Add a (rightmost) child to this node

    • equals

      boolean equals(AST t)

    • equalsList

      boolean equalsList(AST t)

    • equalsListPartial

      boolean equalsListPartial(AST t)

    • equalsTree

      boolean equalsTree(AST t)

    • equalsTreePartial

      boolean equalsTreePartial(AST t)

    • findAll

      ASTEnumeration findAll(AST tree)

    • findAllPartial

      ASTEnumeration findAllPartial(AST subtree)

    • getFirstChild

      AST getFirstChild()
      Get the first child of this node; null if no children

    • getNextSibling

      AST getNextSibling()
      Get the next sibling in line after this one

    • getText

      String getText()
      Get the token text for this node

    • getType

      int getType()
      Get the token type for this node

    • getLine

      int getLine()
      Since:
      2.7.3 Need for error handling

    • getColumn

      int getColumn()
      Since:
      2.7.3 Need for error handling

    • getNumberOfChildren

      int getNumberOfChildren()
      Get number of children of this node; if leaf, returns 0

    • initialize

      void initialize(int t, String txt)

    • initialize

      void initialize(AST t)

    • initialize

      void initialize(Token t)

    • setFirstChild

      void setFirstChild(AST c)
      Set the first child of a node.

    • setNextSibling

      void setNextSibling(AST n)
      Set the next sibling after this one.

    • setText

      void setText(String text)
      Set the token text for this node

    • setType

      void setType(int ttype)
      Set the token type for this node

    • toString

      String toString()
      Overrides:
      toString in class Object

    • toStringList

      String toStringList()

    • toStringTree

      String toStringTree()