Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/CachedBoxedDispatchNode.java @ 13570:d7af2296cebb
Merge with 4fc8c8bb4c32878cc04b064d2ac9ad1fce1a85e0
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 08 Jan 2014 15:49:18 -0800 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.nodes.call; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; import com.oracle.truffle.ruby.runtime.lookup.*; import com.oracle.truffle.ruby.runtime.methods.*; import com.oracle.truffle.ruby.runtime.objects.*; /** * A node in the dispatch chain that comes after the boxing point and caches a method on a full * boxed Ruby BasicObject, matching it by looking at the lookup node and assuming it has not been * modified. */ public class CachedBoxedDispatchNode extends BoxedDispatchNode { private final LookupNode expectedLookupNode; private final Assumption unmodifiedAssumption; private final RubyMethod method; @Child protected BoxedDispatchNode next; public CachedBoxedDispatchNode(RubyContext context, SourceSection sourceSection, LookupNode expectedLookupNode, RubyMethod method, BoxedDispatchNode next) { super(context, sourceSection); assert expectedLookupNode != null; assert method != null; this.expectedLookupNode = expectedLookupNode; unmodifiedAssumption = expectedLookupNode.getUnmodifiedAssumption(); this.method = method; this.next = adoptChild(next); } @Override public Object dispatch(VirtualFrame frame, RubyBasicObject receiverObject, RubyProc blockObject, Object[] argumentsObjects) { // Check the lookup node is what we expect if (receiverObject.getLookupNode() != expectedLookupNode) { return next.dispatch(frame, receiverObject, blockObject, argumentsObjects); } // Check the class has not been modified try { unmodifiedAssumption.check(); } catch (InvalidAssumptionException e) { return respecialize("class modified", frame, receiverObject, blockObject, argumentsObjects); } // Call the method return method.call(frame.pack(), receiverObject, blockObject, argumentsObjects); } }