Mercurial > hg > truffle
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/runtime/SLFunctionForeignAccess.java @ 21490:3286fb5fea4a
Introducing standard I/O and error into Env and using TruffleVM to execute SL test cases. Adding SLTckTest to verify SL language interop.
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Tue, 26 May 2015 19:11:36 +0200 |
parents | |
children | ed234a3178af |
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/* * Copyright (c) 2014, 2014, 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. * * 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.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.ForeignAccessFactory; import com.oracle.truffle.api.interop.InteropPredicate; import com.oracle.truffle.api.interop.exception.UnsupportedMessageException; import com.oracle.truffle.api.interop.messages.Message; import com.oracle.truffle.api.nodes.RootNode; import com.oracle.truffle.interop.ForeignAccessArguments; import com.oracle.truffle.interop.messages.Execute; import com.oracle.truffle.interop.messages.Receiver; import com.oracle.truffle.sl.nodes.call.SLDispatchNode; import com.oracle.truffle.sl.nodes.call.SLDispatchNodeGen; import java.math.BigInteger; /** * Implementation of foreing access for {@link SLFunction}. */ final class SLFunctionForeignAccess implements ForeignAccessFactory { public static final ForeignAccessFactory INSTANCE = new SLFunctionForeignAccess(); private SLFunctionForeignAccess() { } @Override public InteropPredicate getLanguageCheck() { return (com.oracle.truffle.api.interop.TruffleObject o) -> o instanceof SLFunction; } @Override public CallTarget getAccess(Message tree) { if (Execute.create(Receiver.create(), 0).matchStructure(tree)) { return Truffle.getRuntime().createCallTarget(new SLForeignCallerRootNode()); } else { throw new UnsupportedMessageException(tree.toString() + " not supported"); } } private static class SLForeignCallerRootNode extends RootNode { @Child private SLDispatchNode dispatch = SLDispatchNodeGen.create(); @Override public Object execute(VirtualFrame frame) { SLFunction function = (SLFunction) ForeignAccessArguments.getReceiver(frame.getArguments()); // the calling convention of interop passes the receiver of a // function call (the this object) // as an implicit 1st argument; we need to ignore this argument for SL Object[] arguments = ForeignAccessArguments.extractUserArguments(1, frame.getArguments()); for (int i = 0; i < arguments.length; i++) { if (arguments[i] instanceof Long) { continue; } if (arguments[i] instanceof BigInteger) { continue; } if (arguments[i] instanceof Number) { arguments[i] = ((Number) arguments[i]).longValue(); } } return dispatch.executeDispatch(frame, function, arguments); } } }