org.jruby.ast

Class InstVarNode

java.lang.Object

org.jruby.ast.Node

org.jruby.ast.InstVarNode

All Implemented Interfaces:

IArityNode, INameNode, ISourcePositionHolder

public class InstVarNode
extends Node
implements IArityNode, INameNode

Represents an instance variable accessor.

Field Summary

Fields

Modifier and Type	Field and Description
private VariableAccessor	accessor
private java.lang.String	name

Fields inherited from class org.jruby.ast.Node

EMPTY_LIST

Constructor Summary

Constructors

Constructor and Description
InstVarNode(ISourcePosition position, java.lang.String name)

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)
Arity	getArity() A variable accessor takes no arguments.
java.lang.String	getName() Gets the name.
NodeType	getNodeType()
private IRubyObject	getValue(Ruby runtime, IRubyObject self)
private IRubyObject	getVariable(Ruby runtime, IRubyObject self, boolean warn)
IRubyObject	interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)
void	setName(java.lang.String name)
private void	warnAboutUninitializedIvar(Ruby runtime)

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

name

private java.lang.String name

accessor

private VariableAccessor accessor

Constructor Detail

InstVarNode

public InstVarNode(ISourcePosition position,
                   java.lang.String name)

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

getArity

public Arity getArity()

A variable accessor takes no arguments.

Specified by:

getArity in interface IArityNode

getName

public java.lang.String getName()

Gets the name.

Specified by:

getName in interface INameNode

Returns:

Returns a String

childNodes

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

Specified by:

childNodes in class Node

setName

public void setName(java.lang.String name)

interpret

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

Overrides:

interpret in class Node

getVariable

private IRubyObject getVariable(Ruby runtime,
                                IRubyObject self,
                                boolean warn)

getValue

private IRubyObject getValue(Ruby runtime,
                             IRubyObject self)

warnAboutUninitializedIvar

private void warnAboutUninitializedIvar(Ruby runtime)

definition

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

Overrides:

definition in class Node