Mercurial > hg > graal-compiler

comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/objects/instancevariables/ReadMissingInstanceVariableNode.java @ 13514:0fbee3eb71f0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
parents
children
comparison
equal deleted inserted replaced
13513:64a23ce736a0 13514:0fbee3eb71f0
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 }