Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/call/SLDirectDispatchNode.java @ 13761:7c418666c6c9
Refactoring and cleanup of Simple Language (more to come soon)
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Fri, 24 Jan 2014 18:16:24 -0800 |
parents | |
children | 533b21375e58 |
line wrap: on
line source
/* * Copyright (c) 2013, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.sl.nodes.call; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.runtime.*; abstract class SLDirectDispatchNode extends SLAbstractDispatchNode { protected final SLFunction cachedFunction; protected final RootCallTarget cachedCallTarget; protected final Assumption cachedCallTargetStable; @Child protected SLAbstractDispatchNode nextNode; protected SLDirectDispatchNode(SLAbstractDispatchNode next, SLFunction cachedFunction) { this.cachedFunction = cachedFunction; this.cachedCallTarget = cachedFunction.getCallTarget(); this.cachedCallTargetStable = cachedFunction.getCallTargetStable(); this.nextNode = adoptChild(next); } @Override protected final Object executeCall(VirtualFrame frame, SLFunction function, SLArguments arguments) { if (this.cachedFunction == function) { try { cachedCallTargetStable.check(); return executeCurrent(frame, arguments); } catch (InvalidAssumptionException ex) { /* * Remove ourselfs from the polymorphic inline cache, so that we fail the check only * once. */ replace(nextNode); /* * Execute the next node in the chain by falling out of the if block. */ } } return nextNode.executeCall(frame, function, arguments); } protected abstract Object executeCurrent(VirtualFrame frame, SLArguments arguments); }