Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/BoxingDispatchNode.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.utilities.*; | |
| 15 import com.oracle.truffle.ruby.runtime.*; | |
| 16 import com.oracle.truffle.ruby.runtime.core.*; | |
| 17 import com.oracle.truffle.ruby.runtime.objects.*; | |
| 18 | |
| 19 /** | |
| 20 * A node in the dispatch chain that boxes the receiver into a full Ruby {@link RubyBasicObject}. | |
| 21 * This node is initially created as an {@link UninitializedBoxingDispatchNode} and only becomes | |
| 22 * this node when we know that we do need to box on the fast path. Within this node we specialized | |
| 23 * for the case that the receiver is always already boxed. | |
| 24 */ | |
| 25 public class BoxingDispatchNode extends UnboxedDispatchNode { | |
| 26 | |
| 27 @Child protected BoxedDispatchNode next; | |
| 28 | |
| 29 private final BranchProfile boxBranch = new BranchProfile(); | |
| 30 | |
| 31 public BoxingDispatchNode(RubyContext context, SourceSection sourceSection, BoxedDispatchNode next) { | |
| 32 super(context, sourceSection); | |
| 33 | |
| 34 this.next = adoptChild(next); | |
| 35 } | |
| 36 | |
| 37 @Override | |
| 38 public Object dispatch(VirtualFrame frame, Object receiverObject, RubyProc blockObject, Object[] argumentsObjects) { | |
| 39 RubyBasicObject boxedReceiverObject; | |
| 40 | |
| 41 if (receiverObject instanceof RubyBasicObject) { | |
| 42 boxedReceiverObject = (RubyBasicObject) receiverObject; | |
| 43 } else { | |
| 44 boxBranch.enter(); | |
| 45 boxedReceiverObject = getContext().getCoreLibrary().box(receiverObject); | |
| 46 } | |
| 47 | |
| 48 return next.dispatch(frame, boxedReceiverObject, blockObject, argumentsObjects); | |
| 49 } | |
| 50 | |
| 51 } |