Mercurial > hg > graal-compiler
comparison 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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13513:64a23ce736a0 | 13514:0fbee3eb71f0 |
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1 /* | |
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This | |
3 * code is released under a tri EPL/GPL/LGPL license. You can use it, | |
4 * redistribute it and/or modify it under the terms of the: | |
5 * | |
6 * Eclipse Public License version 1.0 | |
7 * GNU General Public License version 2 | |
8 * GNU Lesser General Public License version 2.1 | |
9 */ | |
10 package com.oracle.truffle.ruby.nodes.objects.instancevariables; | |
11 | |
12 import com.oracle.truffle.api.*; | |
13 import com.oracle.truffle.api.frame.*; | |
14 import com.oracle.truffle.api.nodes.*; | |
15 import com.oracle.truffle.ruby.nodes.*; | |
16 import com.oracle.truffle.ruby.runtime.*; | |
17 import com.oracle.truffle.ruby.runtime.objects.*; | |
18 | |
19 @NodeInfo(shortName = "@missing") | |
20 public class ReadMissingInstanceVariableNode extends ReadSpecializedInstanceVariableNode { | |
21 | |
22 public ReadMissingInstanceVariableNode(SourceSection sourceSection, String name, RubyNode receiver, ObjectLayout objectLayout, RubyContext context) { | |
23 super(context, sourceSection, name, receiver, objectLayout); | |
24 } | |
25 | |
26 @Override | |
27 public Object execute(VirtualFrame frame) { | |
28 final RubyBasicObject receiverObject = (RubyBasicObject) receiver.execute(frame); | |
29 | |
30 if (!receiverObject.getObjectLayout().contains(objectLayout)) { | |
31 CompilerDirectives.transferToInterpreter(); | |
32 replace(respecialize(receiverObject)); | |
33 return receiverObject.getInstanceVariable(name); | |
34 } | |
35 | |
36 return NilPlaceholder.INSTANCE; | |
37 } | |
38 } |