Mercurial > hg > truffle
diff truffle/com.oracle.truffle.tck/src/com/oracle/truffle/tck/StructuredDataEntry.java @ 22496:b3569a53c24c
Refactor and improve ComplexNumber sequence tests
author | Matthias Grimmer <grimmer@ssw.jku.at> |
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date | Mon, 14 Dec 2015 14:20:08 +0100 |
parents | |
children | 9bba3a7b34be |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.tck/src/com/oracle/truffle/tck/StructuredDataEntry.java Mon Dec 14 14:20:08 2015 +0100 @@ -0,0 +1,89 @@ +/* + * 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.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 StructuredDataEntry implements TruffleObject { + + private final byte[] buffer; + private final Schema schema; + private final int index; + + StructuredDataEntry(byte[] buffer, Schema schema, int index) { + this.buffer = buffer; + this.schema = schema; + this.index = index; + } + + public ForeignAccess getForeignAccess() { + return ForeignAccess.create(new StructuredDataEntryForeignAccessFactory()); + } + + private static class StructuredDataEntryForeignAccessFactory implements Factory { + + public boolean canHandle(TruffleObject obj) { + return obj instanceof StructuredDataEntry; + } + + public CallTarget accessMessage(Message tree) { + // for simplicity: this StructuredData is read-only + 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 StructuredDataEntryReadNode()); + } else { + throw new IllegalArgumentException(tree.toString() + " not supported"); + } + } + } + + private static class StructuredDataEntryReadNode extends RootNode { + protected StructuredDataEntryReadNode() { + super(TckLanguage.class, null, null); + } + + @Override + public Object execute(VirtualFrame frame) { + StructuredDataEntry data = (StructuredDataEntry) ForeignAccess.getReceiver(frame); + String name = (String) ForeignAccess.getArguments(frame).get(0); + return data.schema.get(data.buffer, data.index, name); + } + + } +}