Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/DefinedNode.java @ 13728:1541666f4cd7
fix GuardNode canonicalization
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 22 Jan 2014 14:03:47 +0100 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.nodes; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.runtime.*; /** * Switches execution to the parallel {@link RubyNode#isDefined} semantic path. Represents the * {@code defined?} keyword in Ruby. */ @NodeInfo(shortName = "defined") public class DefinedNode extends RubyNode { @Child protected RubyNode child; public DefinedNode(RubyContext context, SourceSection sourceSection, RubyNode child) { super(context, sourceSection); this.child = adoptChild(child); } @Override public Object execute(VirtualFrame frame) { return child.isDefined(frame); } }