org.jruby.ast
Class BackRefNode

java.lang.Object
  extended byorg.jruby.ast.Node
      extended byorg.jruby.ast.BackRefNode
All Implemented Interfaces:
InstructionContext, ISourcePositionHolder, java.io.Serializable

public class BackRefNode
extends Node

Regexp backref. generated when one of the following special global variables are found - $& last succesfull match - $+ highest numbered group matched in last successful match. - $` what precedes the last successful match - $' what follows the last successful match

Author:
jpetersen
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.jruby.ast.Node
instruction, nodeId
 
Constructor Summary
BackRefNode(ISourcePosition position, char type)
           
 
Method Summary
 Instruction accept(NodeVisitor iVisitor)
          Accept for the visitor pattern.
 java.util.List childNodes()
           
 char getType()
          Gets the type.
 
Methods inherited from class org.jruby.ast.Node
addComment, addComments, createList, createList, createList, createList, getComments, getNodeName, getPosition, getPositionIncludingComments, hasComments, setPosition, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BackRefNode

public BackRefNode(ISourcePosition position,
                   char type)
Method Detail

accept

public Instruction accept(NodeVisitor iVisitor)
Accept for the visitor pattern.

Specified by:
accept in class Node
Parameters:
iVisitor - the visitor

getType

public char getType()
Gets the type. the type is the character which generates the backreference

Returns:
type

childNodes

public java.util.List childNodes()
Specified by:
childNodes in class Node


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