org.jruby.ast

Class NilImplicitNode

java.lang.Object

org.jruby.ast.Node

org.jruby.ast.NilNode

org.jruby.ast.NilImplicitNode

All Implemented Interfaces:

InvisibleNode, SideEffectFree, INameNode, ISourcePosition, ISourcePositionHolder, ParseResult, PositionAware

public class NilImplicitNode
extends NilNode
implements InvisibleNode

A node which behaves like a nil node, but is not actually present in the AST as a syntactical element (e.g. IDE's should ignore occurrences of this node. We have this as separate subclass so that IDE consumers can more easily ignore these.

Field Summary

Fields

Modifier and Type	Field and Description
static NilImplicitNode	NIL

Fields inherited from class org.jruby.ast.Node

containsVariableAssignment, newline

Constructor Summary

Constructors

Constructor and Description
NilImplicitNode()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isNil() Whether the node evaluates to nil and has no side effects.

Methods inherited from class org.jruby.ast.NilNode

accept, childNodes, getName, getNodeType, needsDefinitionCheck

Methods inherited from class org.jruby.ast.Node

containsVariableAssignment, createList, createList, createList, createList, findFirstChild, getFile, getLine, getNodeName, getPosition, isNewline, setNewline, setPosition, toString, toString, toStringInternal

Methods inherited from class java.lang.Object

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

Field Detail

NIL

public static final NilImplicitNode NIL

Constructor Detail

NilImplicitNode

public NilImplicitNode()

Method Detail

isNil

public boolean isNil()

Description copied from class: Node

Whether the node evaluates to nil and has no side effects.

Overrides:

isNil in class NilNode

Returns:

true if nil, false otherwise