Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/UninitializedBoxingDispatchNode.java @ 13745:978587c91373
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 23 Jan 2014 16:35:57 -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.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; /** * A node in the dispatch chain that transfers to interpreter and then boxes the receiver. */ public class UninitializedBoxingDispatchNode extends UnboxedDispatchNode { @Child protected BoxedDispatchNode next; public UninitializedBoxingDispatchNode(RubyContext context, SourceSection sourceSection, BoxedDispatchNode next) { super(context, sourceSection); this.next = adoptChild(next); } @Override public Object dispatch(VirtualFrame frame, Object receiverObject, RubyProc blockObject, Object[] argumentsObjects) { CompilerDirectives.transferToInterpreter(); /* * If the next dispatch node is something other than the uninitialized dispatch node then we * need to replace this node because it's now on the fast path. If the receiver was already * boxed. * * Note that with this scheme it will take a couple of calls for the chain to become fully * specialized. */ if (next instanceof UninitializedDispatchNode) { this.replace(new BoxingDispatchNode(getContext(), getSourceSection(), next)); } return next.dispatch(frame, getContext().getCoreLibrary().box(receiverObject), blockObject, argumentsObjects); } }