Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/CachedBoxedDispatchNode.java @ 13529:856c2c294f84
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 |
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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 } |