Mercurial > hg > truffle
view truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/access/SLWritePropertyNode.java @ 22416:b272920e26b2
Minor changes to interop functionality for SL
author | Matthias Grimmer <grimmer@ssw.jku.at> |
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date | Wed, 25 Nov 2015 12:18:46 +0100 |
parents | c1f804ce6cad |
children |
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/* * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * The Universal Permissive License (UPL), Version 1.0 * * Subject to the condition set forth below, permission is hereby granted to any * person obtaining a copy of this software, associated documentation and/or * data (collectively the "Software"), free of charge and under any and all * copyright rights in the Software, and any and all patent rights owned or * freely licensable by each licensor hereunder covering either (i) the * unmodified Software as contributed to or provided by such licensor, or (ii) * the Larger Works (as defined below), to deal in both * * (a) the Software, and * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * one is included with the Software each a "Larger Work" to which the Software * is contributed by such licensors), * * without restriction, including without limitation the rights to copy, create * derivative works of, display, perform, and distribute the Software and make, * use, sell, offer for sale, import, export, have made, and have sold the * Software and the Larger Work(s), and to sublicense the foregoing rights on * either these or other terms. * * This license is subject to the following condition: * * The above copyright notice and either this complete permission notice or at a * minimum a reference to the UPL must be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.oracle.truffle.sl.nodes.access; import com.oracle.truffle.api.CompilerDirectives; import com.oracle.truffle.api.dsl.NodeChild; import com.oracle.truffle.api.dsl.NodeChildren; import com.oracle.truffle.api.dsl.Specialization; import com.oracle.truffle.api.frame.VirtualFrame; import com.oracle.truffle.api.interop.ForeignAccess; import com.oracle.truffle.api.interop.Message; import com.oracle.truffle.api.interop.TruffleObject; import com.oracle.truffle.api.nodes.Node; import com.oracle.truffle.api.nodes.NodeInfo; import com.oracle.truffle.api.object.DynamicObject; import com.oracle.truffle.api.source.SourceSection; import com.oracle.truffle.sl.nodes.SLExpressionNode; import com.oracle.truffle.sl.runtime.SLContext; /** * The node for setting a property of an object. When executed, this node first evaluates the value * expression on the right hand side of the equals operator, followed by the object expression on * the left side of the dot operator, and then sets the named property of this object to the new * value if the property already exists or adds a new property. Finally, it returns the new value. */ @NodeInfo(shortName = ".=") @NodeChildren({@NodeChild(value = "receiver", type = SLExpressionNode.class), @NodeChild(value = "value", type = SLExpressionNode.class)}) public abstract class SLWritePropertyNode extends SLExpressionNode { @Child protected SLExpressionNode receiverNode; protected final String propertyName; @Child protected SLExpressionNode valueNode; @Child protected SLWritePropertyCacheNode cacheNode; SLWritePropertyNode(SourceSection src, String propertyName) { super(src); this.propertyName = propertyName; this.cacheNode = SLWritePropertyCacheNodeGen.create(propertyName); } @Specialization(guards = "isSLObject(object)") public Object doSLObject(DynamicObject object, Object value) { cacheNode.executeObject(SLContext.castSLObject(object), value); return value; } @Child private Node foreignWrite; @Specialization public Object doForeignObject(VirtualFrame frame, TruffleObject object, Object value) { if (foreignWrite == null) { CompilerDirectives.transferToInterpreterAndInvalidate(); this.foreignWrite = insert(Message.WRITE.createNode()); } return ForeignAccess.execute(foreignWrite, frame, object, new Object[]{propertyName, value}); } }