Mercurial > hg > truffle
view truffle/com.oracle.truffle.tck/src/com/oracle/truffle/tck/ComplexNumber.java @ 22548:6b76a24fffbd default tip
Use all variables: a, b, u,v and x, y
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Thu, 14 Jan 2016 14:20:57 +0100 |
parents | 89db2519ef18 |
children |
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/* * Copyright (c) 2015, 2015, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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.tck; import com.oracle.truffle.tck.impl.TckLanguage; 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.ForeignAccess.Factory; import com.oracle.truffle.api.interop.Message; import com.oracle.truffle.api.interop.TruffleObject; import com.oracle.truffle.api.nodes.RootNode; final class ComplexNumber implements TruffleObject { public static final String REAL_IDENTIFIER = "real"; public static final String IMAGINARY_IDENTIFIER = "imaginary"; private double real; private double imag; ComplexNumber(double real, double imaginary) { this.real = real; this.imag = imaginary; } public ForeignAccess getForeignAccess() { return ForeignAccess.create(new ComplexForeignAccessFactory()); } public void set(String identifier, double value) { switch (identifier) { case REAL_IDENTIFIER: this.real = value; break; case IMAGINARY_IDENTIFIER: this.imag = value; break; default: throw new IllegalArgumentException(); } } public double get(String identifier) { switch (identifier) { case REAL_IDENTIFIER: return this.real; case IMAGINARY_IDENTIFIER: return this.imag; default: throw new IllegalArgumentException(); } } private static class ComplexForeignAccessFactory implements Factory { public boolean canHandle(TruffleObject obj) { return obj instanceof ComplexNumber; } public CallTarget accessMessage(Message tree) { if (Message.IS_NULL.equals(tree)) { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } else if (Message.IS_EXECUTABLE.equals(tree)) { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } else if (Message.IS_BOXED.equals(tree)) { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } else if (Message.HAS_SIZE.equals(tree)) { return Truffle.getRuntime().createCallTarget(RootNode.createConstantNode(false)); } else if (Message.READ.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexReadNode()); } else if (Message.WRITE.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexWriteNode()); } else { throw new IllegalArgumentException(tree.toString() + " not supported"); } } } private static class ComplexWriteNode extends RootNode { protected ComplexWriteNode() { super(TckLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { ComplexNumber complex = (ComplexNumber) ForeignAccess.getReceiver(frame); String identifier = TckLanguage.expectString(ForeignAccess.getArguments(frame).get(0)); Number value = TckLanguage.expectNumber(ForeignAccess.getArguments(frame).get(1)); complex.set(identifier, value.doubleValue()); return value; } } private static class ComplexReadNode extends RootNode { protected ComplexReadNode() { super(TckLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { ComplexNumber complex = (ComplexNumber) ForeignAccess.getReceiver(frame); String identifier = TckLanguage.expectString(ForeignAccess.getArguments(frame).get(0)); return complex.get(identifier); } } }