org.jruby.ast

Class BackRefNode

java.lang.Object

org.jruby.ast.Node

org.jruby.ast.BackRefNode

All Implemented Interfaces:

ISourcePositionHolder

public class BackRefNode
extends Node

Regexp back reference: - $& last successful match - $+ highest numbered group matched in last successful match. - $` what precedes the last successful match - $' what follows the last successful match

Field Summary

Fields

Modifier and Type	Field and Description
private DefinedMessage	definedMessage ByteList for the name of this backref global
private char	type the character which generated the back reference

Fields inherited from class org.jruby.ast.Node

EMPTY_LIST

Constructor Summary

Constructors

Constructor and Description
BackRefNode(ISourcePosition position, int type)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	accept(NodeVisitor iVisitor) Accept for the visitor pattern.
java.util.List<Node>	childNodes()
RubyString	definition(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)
NodeType	getNodeType()
char	getType() Gets the type
IRubyObject	interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)

Methods inherited from class org.jruby.ast.Node

assign, createList, createList, createList, createList, getNodeName, getPosition, isNil, setPosition, toString

Methods inherited from class java.lang.Object

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

Field Detail

type

private final char type

the character which generated the back reference

definedMessage

private final DefinedMessage definedMessage

ByteList for the name of this backref global

Constructor Detail

BackRefNode

public BackRefNode(ISourcePosition position,
                   int type)

Method Detail

getNodeType

public NodeType getNodeType()

Specified by:

getNodeType in class Node

Returns:

the nodeId

accept

public java.lang.Object 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

Returns:

the character which generates the back reference

childNodes

public java.util.List<Node> childNodes()

Specified by:

childNodes in class Node

interpret

public IRubyObject interpret(Ruby runtime,
                             ThreadContext context,
                             IRubyObject self,
                             Block aBlock)

Overrides:

interpret in class Node

definition

public RubyString definition(Ruby runtime,
                             ThreadContext context,
                             IRubyObject self,
                             Block aBlock)

Overrides:

definition in class Node