org.jruby.ast
Class NilNode

java.lang.Object
  extended by org.jruby.ast.Node
      extended by org.jruby.ast.NilNode
All Implemented Interfaces:
IEqlNode, INameNode, ISourcePositionHolder
Direct Known Subclasses:
NilImplicitNode

public class NilNode
extends Node
implements INameNode, IEqlNode

represents 'nil'


Constructor Summary
NilNode(ISourcePosition position)
           
 
Method Summary
 java.lang.Object accept(NodeVisitor iVisitor)
          Accept for the visitor pattern.
 java.util.List<Node> childNodes()
           
 java.lang.String definition(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)
           
 boolean eql(IRubyObject otherValue, ThreadContext context, Ruby runtime, IRubyObject self, Block aBlock)
           
 java.lang.String getName()
          Name of nil node.
 NodeType getNodeType()
           
 IRubyObject interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)
           
 
Methods inherited from class org.jruby.ast.Node
assign, createList, getNodeName, getPosition, isInvisible, setPosition, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NilNode

public NilNode(ISourcePosition position)
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

getName

public java.lang.String getName()
Name of nil node.

Specified by:
getName in interface INameNode

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 java.lang.String definition(Ruby runtime,
                                   ThreadContext context,
                                   IRubyObject self,
                                   Block aBlock)
Overrides:
definition in class Node

eql

public boolean eql(IRubyObject otherValue,
                   ThreadContext context,
                   Ruby runtime,
                   IRubyObject self,
                   Block aBlock)
Specified by:
eql in interface IEqlNode


Copyright © 2002-2007 JRuby Team. All Rights Reserved.