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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/InlinedBoxedDispatchNode.java @ 13529:856c2c294f84

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Merge.
author Christian Humer <christian.humer@gmail.com>
date Tue, 07 Jan 2014 18:53:04 +0100
parents 0fbee3eb71f0
children
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13528:5a0c694ef735 13529:856c2c294f84
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 java.util.*;
13
14 import com.oracle.truffle.api.*;
15 import com.oracle.truffle.api.frame.*;
16 import com.oracle.truffle.api.nodes.*;
17 import com.oracle.truffle.ruby.nodes.*;
18 import com.oracle.truffle.ruby.runtime.*;
19 import com.oracle.truffle.ruby.runtime.core.*;
20 import com.oracle.truffle.ruby.runtime.lookup.*;
21 import com.oracle.truffle.ruby.runtime.objects.*;
22
23 /**
24 * A node in the dispatch chain that comes after the boxing point and caches a method on a full
25 * boxed {@link RubyBasicObject}, matching it by looking at the lookup node and assuming it has not
26 * been modified.
27 */
28 public class InlinedBoxedDispatchNode extends BoxedDispatchNode {
29
30 private final LookupNode expectedLookupNode;
31 private final Assumption unmodifiedAssumption;
32
33 private final InlinableMethodImplementation method;
34 private final RubyRootNode rootNode;
35
36 @Child protected BoxedDispatchNode next;
37
38 public InlinedBoxedDispatchNode(RubyContext context, SourceSection sourceSection, LookupNode expectedLookupNode, InlinableMethodImplementation method, BoxedDispatchNode next) {
39 super(context, sourceSection);
40
41 assert expectedLookupNode != null;
42 assert method != null;
43
44 this.expectedLookupNode = expectedLookupNode;
45 unmodifiedAssumption = expectedLookupNode.getUnmodifiedAssumption();
46 this.method = method;
47 this.rootNode = method.getCloneOfPristineRootNode();
48 this.next = adoptChild(next);
49 }
50
51 @Override
52 public Object dispatch(VirtualFrame frame, RubyBasicObject receiverObject, RubyProc blockObject, Object[] argumentsObjects) {
53 // Check the lookup node is what we expect
54
55 if (receiverObject.getLookupNode() != expectedLookupNode) {
56 return next.dispatch(frame, receiverObject, blockObject, argumentsObjects);
57 }
58
59 // Check the class has not been modified
60
61 try {
62 unmodifiedAssumption.check();
63 } catch (InvalidAssumptionException e) {
64 return respecialize("class modified", frame, receiverObject, blockObject, argumentsObjects);
65 }
66
67 // Call the method
68
69 Object[] modifiedArgumentsObjects;
70
71 CompilerAsserts.compilationConstant(method.getShouldAppendCallNode());
72
73 if (method.getShouldAppendCallNode()) {
74 modifiedArgumentsObjects = Arrays.copyOf(argumentsObjects, argumentsObjects.length + 1);
75 modifiedArgumentsObjects[modifiedArgumentsObjects.length - 1] = this;
76 } else {
77 modifiedArgumentsObjects = argumentsObjects;
78 }
79
80 final RubyArguments arguments = new RubyArguments(method.getDeclarationFrame(), receiverObject, blockObject, modifiedArgumentsObjects);
81 final VirtualFrame inlinedFrame = Truffle.getRuntime().createVirtualFrame(frame.pack(), arguments, method.getFrameDescriptor());
82 return rootNode.execute(inlinedFrame);
83 }
84 }