Mercurial > hg > truffle
view truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/runtime/SLObjectType.java @ 22157:dc83cc1f94f2
Using fully qualified imports
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 16 Sep 2015 11:33:22 +0200 |
parents | e70b20f4bb00 |
children | b5b0f3621f05 |
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/* * Copyright (c) 2012, 2014, 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.runtime; import com.oracle.truffle.api.CallTarget; import com.oracle.truffle.api.Truffle; 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.RootNode; import com.oracle.truffle.api.object.DynamicObject; import com.oracle.truffle.api.object.ObjectType; import com.oracle.truffle.api.object.Property; import com.oracle.truffle.sl.SLLanguage; final class SLObjectType extends ObjectType implements ForeignAccess.Factory10, ForeignAccess.Factory { private final ForeignAccess access; public SLObjectType() { this.access = ForeignAccess.create(null, this); } @Override public ForeignAccess getForeignAccessFactory() { return access; } @Override public CallTarget accessIsNull() { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } @Override public CallTarget accessIsExecutable() { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } @Override public CallTarget accessIsBoxed() { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } @Override public CallTarget accessHasSize() { throw new UnsupportedOperationException(); } @Override public CallTarget accessGetSize() { throw new UnsupportedOperationException(); } @Override public CallTarget accessUnbox() { throw new UnsupportedOperationException(); } @Override public CallTarget accessRead() { return Truffle.getRuntime().createCallTarget(new SLForeignReadNode()); } @Override public CallTarget accessWrite() { throw new UnsupportedOperationException(); } @Override public CallTarget accessExecute(int argumentsLength) { throw new UnsupportedOperationException(); } @Override public CallTarget accessInvoke(int argumentsLength) { throw new UnsupportedOperationException(); } @Override public CallTarget accessNew(int argumentsLength) { throw new UnsupportedOperationException(); } @Override public CallTarget accessMessage(Message unknown) { throw new UnsupportedOperationException(); } @Override public boolean canHandle(TruffleObject obj) { return SLContext.isSLObject(obj); } private static class SLForeignReadNode extends RootNode { public SLForeignReadNode() { super(SLLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { String fieldName = (String) ForeignAccess.getArguments(frame).get(0); DynamicObject obj = (DynamicObject) ForeignAccess.getReceiver(frame); Property property = obj.getShape().getProperty(fieldName); return obj.get(property.getKey()); } } }