Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/access/SLReadPropertyNode.java @ 19312:a8d128366ebf
Merge
author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 12 Feb 2015 04:01:46 +0100 |
parents | 997bc9764a9a |
children | 73211b2c7c7a |
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/* * Copyright (c) 2013, 2014, 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.access; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.api.source.*; import com.oracle.truffle.api.utilities.*; import com.oracle.truffle.sl.*; import com.oracle.truffle.sl.nodes.*; import com.oracle.truffle.sl.runtime.*; /** * The node for accessing a property of an object. When executed, this node first evaluates the * object expression on the left side of the dot operator and then reads the named property. */ @NodeInfo(shortName = ".") public final class SLReadPropertyNode extends SLExpressionNode { public static SLReadPropertyNode create(SourceSection src, SLExpressionNode receiverNode, String propertyName) { return new SLReadPropertyNode(src, receiverNode, propertyName); } @Child protected SLExpressionNode receiverNode; protected final String propertyName; @Child protected SLReadPropertyCacheNode cacheNode; private final ConditionProfile receiverTypeCondition = ConditionProfile.createBinaryProfile(); private SLReadPropertyNode(SourceSection src, SLExpressionNode receiverNode, String propertyName) { super(src); this.receiverNode = receiverNode; this.propertyName = propertyName; this.cacheNode = SLReadPropertyCacheNode.create(propertyName); } @Override public Object executeGeneric(VirtualFrame frame) { Object object = receiverNode.executeGeneric(frame); if (receiverTypeCondition.profile(SLContext.isSLObject(object))) { return cacheNode.executeObject(SLContext.castSLObject(object)); } else { throw new SLException("unexpected receiver type"); } } }