org.jruby.ast

Class DVarNode

java.lang.Object

org.jruby.ast.Node

org.jruby.ast.DVarNode

All Implemented Interfaces:

INameNode, ISourcePositionHolder

public class DVarNode
extends Node
implements INameNode

Access a dynamic variable (e.g. block scope local variable).

Field Summary

Fields

Modifier and Type	Field and Description
private int	location
private java.lang.String	name

Fields inherited from class org.jruby.ast.Node

EMPTY_LIST

Constructor Summary

Constructors

Constructor and Description
DVarNode(ISourcePosition position, int location, 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)
int	getDepth() How many scopes should we burrow down to until we need to set the block variable value.
int	getIndex() Gets the index within the scope construct that actually holds the eval'd value of this local variable
java.lang.String	getName() Gets the name.
NodeType	getNodeType()
IRubyObject	interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock)
void	setName(java.lang.String name) Sets the name of this variable (for refactoring support)

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

location

private int location

Constructor Detail

DVarNode

public DVarNode(ISourcePosition position,
                int location,
                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

getDepth

public int getDepth()

How many scopes should we burrow down to until we need to set the block variable value.

Returns:

0 for current scope, 1 for one down, ...

getIndex

public int getIndex()

Gets the index within the scope construct that actually holds the eval'd value of this local variable

Returns:

Returns an int offset into storage structure

getName

public java.lang.String getName()

Gets the name.

Specified by:

getName in interface INameNode

Returns:

Returns a String

setName

public void setName(java.lang.String name)

Sets the name of this variable (for refactoring support)

Parameters:

name - to set the variable to

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