Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/CachedBoxedDispatchNode.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.call; | |
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.runtime.*; | |
16 import com.oracle.truffle.ruby.runtime.core.*; | |
17 import com.oracle.truffle.ruby.runtime.lookup.*; | |
18 import com.oracle.truffle.ruby.runtime.methods.*; | |
19 import com.oracle.truffle.ruby.runtime.objects.*; | |
20 | |
21 /** | |
22 * A node in the dispatch chain that comes after the boxing point and caches a method on a full | |
23 * boxed Ruby BasicObject, matching it by looking at the lookup node and assuming it has not been | |
24 * modified. | |
25 */ | |
26 public class CachedBoxedDispatchNode extends BoxedDispatchNode { | |
27 | |
28 private final LookupNode expectedLookupNode; | |
29 private final Assumption unmodifiedAssumption; | |
30 private final RubyMethod method; | |
31 | |
32 @Child protected BoxedDispatchNode next; | |
33 | |
34 public CachedBoxedDispatchNode(RubyContext context, SourceSection sourceSection, LookupNode expectedLookupNode, RubyMethod method, BoxedDispatchNode next) { | |
35 super(context, sourceSection); | |
36 | |
37 assert expectedLookupNode != null; | |
38 assert method != null; | |
39 | |
40 this.expectedLookupNode = expectedLookupNode; | |
41 unmodifiedAssumption = expectedLookupNode.getUnmodifiedAssumption(); | |
42 this.method = method; | |
43 this.next = adoptChild(next); | |
44 } | |
45 | |
46 @Override | |
47 public Object dispatch(VirtualFrame frame, RubyBasicObject receiverObject, RubyProc blockObject, Object[] argumentsObjects) { | |
48 // Check the lookup node is what we expect | |
49 | |
50 if (receiverObject.getLookupNode() != expectedLookupNode) { | |
51 return next.dispatch(frame, receiverObject, blockObject, argumentsObjects); | |
52 } | |
53 | |
54 // Check the class has not been modified | |
55 | |
56 try { | |
57 unmodifiedAssumption.check(); | |
58 } catch (InvalidAssumptionException e) { | |
59 return respecialize("class modified", frame, receiverObject, blockObject, argumentsObjects); | |
60 } | |
61 | |
62 // Call the method | |
63 | |
64 return method.call(frame.pack(), receiverObject, blockObject, argumentsObjects); | |
65 } | |
66 | |
67 } |