Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/Truffle.java @ 19550:353669a84287
Utilities Node#acceptInputs and Node#acceptSuccessors.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 22 Feb 2015 23:44:37 +0100 |
parents | afa70d3e8159 |
children | 2f92172fa320 |
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/* * Copyright (c) 2012, 2012, 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.api; import java.security.*; import com.oracle.truffle.api.impl.*; /** * Class for obtaining the Truffle runtime singleton object of this virtual machine. */ public class Truffle { private static final TruffleRuntime RUNTIME = initRuntime(); /** * Creates a new {@link TruffleRuntime} instance if the runtime has a specialized * implementation. * * @throws UnsatisfiedLinkError if the runtime does not have a specialized implementation of * {@link TruffleRuntime} */ private static native TruffleRuntime createRuntime(); public static TruffleRuntime getRuntime() { return RUNTIME; } private static TruffleRuntime initRuntime() { if (TruffleOptions.ForceInterpreter) { /* * Force Truffle to run in interpreter mode even if we have a specialized implementation * of TruffleRuntime available. */ return new DefaultTruffleRuntime(); } try { return AccessController.doPrivileged(new PrivilegedAction<TruffleRuntime>() { public TruffleRuntime run() { return createRuntime(); } }); } catch (UnsatisfiedLinkError e) { return new DefaultTruffleRuntime(); } } }