Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/objects/instancevariables/ReadMissingInstanceVariableNode.java @ 13514:0fbee3eb71f0
Ruby: import project.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Mon, 06 Jan 2014 17:12:09 +0000 |
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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.objects.instancevariables; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.nodes.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.objects.*; @NodeInfo(shortName = "@missing") public class ReadMissingInstanceVariableNode extends ReadSpecializedInstanceVariableNode { public ReadMissingInstanceVariableNode(SourceSection sourceSection, String name, RubyNode receiver, ObjectLayout objectLayout, RubyContext context) { super(context, sourceSection, name, receiver, objectLayout); } @Override public Object execute(VirtualFrame frame) { final RubyBasicObject receiverObject = (RubyBasicObject) receiver.execute(frame); if (!receiverObject.getObjectLayout().contains(objectLayout)) { CompilerDirectives.transferToInterpreter(); replace(respecialize(receiverObject)); return receiverObject.getInstanceVariable(name); } return NilPlaceholder.INSTANCE; } }