Mercurial > hg > truffle
view truffle/com.oracle.truffle.tck/src/com/oracle/truffle/tck/ComplexNumbersRowBased.java @ 22499:9bba3a7b34be
Check foreign arguments when accessing ComplexNumber/Sequence objects
author | Matthias Grimmer <grimmer@ssw.jku.at> |
---|---|
date | Mon, 14 Dec 2015 15:07:19 +0100 |
parents | b3569a53c24c |
children | 89db2519ef18 |
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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.api.CallTarget; import com.oracle.truffle.api.CompilerDirectives; 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.Node; import com.oracle.truffle.api.nodes.RootNode; final class ComplexNumbersRowBased implements TruffleObject { private final double[] data; ComplexNumbersRowBased(double[] data) { assert data.length % 2 == 0; this.data = data; } public double[] getData() { return data; } public ForeignAccess getForeignAccess() { return ForeignAccess.create(new ComplexNumbersAForeignAccessFactory()); } private static class ComplexNumbersAForeignAccessFactory implements Factory { public boolean canHandle(TruffleObject obj) { return obj instanceof ComplexNumbersRowBased; } 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(true)); } else if (Message.READ.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexNumbersAReadNode()); } else if (Message.WRITE.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexNumbersAWriteNode()); } else if (Message.GET_SIZE.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexNumbersASizeNode()); } else { throw new IllegalArgumentException(tree.toString() + " not supported"); } } } private static class ComplexNumbersAWriteNode extends RootNode { protected ComplexNumbersAWriteNode() { super(TckLanguage.class, null, null); } @Child private Node readReal; @Child private Node readImag; @Override public Object execute(VirtualFrame frame) { ComplexNumbersRowBased complexNumbers = (ComplexNumbersRowBased) ForeignAccess.getReceiver(frame); Number index = TckLanguage.expectNumber(ForeignAccess.getArguments(frame).get(0)); TruffleObject value = TckLanguage.expectTruffleObject(ForeignAccess.getArguments(frame).get(1)); if (readReal == null || readImag == null) { CompilerDirectives.transferToInterpreterAndInvalidate(); this.readReal = insert(Message.READ.createNode()); this.readImag = insert(Message.READ.createNode()); } Number realPart = TckLanguage.expectNumber(ForeignAccess.execute(readReal, frame, value, new Object[]{ComplexNumber.REAL_IDENTIFIER})); Number imagPart = TckLanguage.expectNumber(ForeignAccess.execute(readImag, frame, value, new Object[]{ComplexNumber.IMAGINARY_IDENTIFIER})); int idx = TckLanguage.checkBounds(index.intValue(), complexNumbers.data.length / 2); complexNumbers.data[idx * 2] = realPart.doubleValue(); complexNumbers.data[idx * 2 + 1] = imagPart.doubleValue(); return value; } } private static class ComplexNumbersAReadNode extends RootNode { protected ComplexNumbersAReadNode() { super(TckLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { ComplexNumbersRowBased complexNumbers = (ComplexNumbersRowBased) ForeignAccess.getReceiver(frame); Number index = TckLanguage.expectNumber(ForeignAccess.getArguments(frame).get(0)); int idx = TckLanguage.checkBounds(index.intValue(), complexNumbers.data.length / 2); return new ComplexNumberAEntry(complexNumbers, idx); } } private static class ComplexNumbersASizeNode extends RootNode { protected ComplexNumbersASizeNode() { super(TckLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { ComplexNumbersRowBased complexNumbers = (ComplexNumbersRowBased) ForeignAccess.getReceiver(frame); return complexNumbers.data.length / 2; } } private static class ComplexNumberAEntry implements TruffleObject { private final ComplexNumbersRowBased numbers; private final int index; public ComplexNumberAEntry(ComplexNumbersRowBased numbers, int index) { this.numbers = numbers; this.index = index; } public ForeignAccess getForeignAccess() { return ForeignAccess.create(new ComplexNumberAEntryForeignAccessFactory()); } private static class ComplexNumberAEntryForeignAccessFactory implements Factory { public boolean canHandle(TruffleObject obj) { return obj instanceof ComplexNumberAEntry; } 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 ComplexNumbersAEntryReadNode()); } else if (Message.WRITE.equals(tree)) { return Truffle.getRuntime().createCallTarget(new ComplexNumbersAEntryWriteNode()); } else { throw new IllegalArgumentException(tree.toString() + " not supported"); } } private static class ComplexNumbersAEntryReadNode extends RootNode { protected ComplexNumbersAEntryReadNode() { super(TckLanguage.class, null, null); } @Child private Node readReal; @Child private Node readImag; @Override public Object execute(VirtualFrame frame) { ComplexNumberAEntry complexNumber = (ComplexNumberAEntry) ForeignAccess.getReceiver(frame); String name = TckLanguage.expectString(ForeignAccess.getArguments(frame).get(0)); if (name.equals(ComplexNumber.IMAGINARY_IDENTIFIER)) { return complexNumber.numbers.data[complexNumber.index * 2 + 1]; } else if (name.equals(ComplexNumber.REAL_IDENTIFIER)) { return complexNumber.numbers.data[complexNumber.index * 2]; } else { throw new IllegalArgumentException(); } } } private static class ComplexNumbersAEntryWriteNode extends RootNode { protected ComplexNumbersAEntryWriteNode() { super(TckLanguage.class, null, null); } @Override public Object execute(VirtualFrame frame) { ComplexNumberAEntry complexNumber = (ComplexNumberAEntry) ForeignAccess.getReceiver(frame); String name = TckLanguage.expectString(ForeignAccess.getArguments(frame).get(0)); Number value = TckLanguage.expectNumber(ForeignAccess.getArguments(frame).get(1)); if (name.equals(ComplexNumber.IMAGINARY_IDENTIFIER)) { complexNumber.numbers.data[complexNumber.index * 2 + 1] = value.doubleValue(); } else if (name.equals(ComplexNumber.REAL_IDENTIFIER)) { complexNumber.numbers.data[complexNumber.index * 2] = value.doubleValue(); } else { throw new IllegalArgumentException(); } return value; } } } } }