Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.runtime/src/jdk/vm/ci/runtime/services/JVMCICompilerFactory.java @ 23364:8153a654bd10
checkstyle fixes
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 29 Apr 2016 00:36:35 +0200 |
parents | 56479400913e |
children | 24505bf61633 |
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/* * Copyright (c) 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. * * 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 jdk.vm.ci.runtime.services; import jdk.vm.ci.runtime.JVMCICompiler; import jdk.vm.ci.runtime.JVMCIRuntime; /** * Service-provider class for creating JVMCI compilers. */ public abstract class JVMCICompilerFactory { private static Void checkPermission() { SecurityManager sm = System.getSecurityManager(); if (sm != null) { sm.checkPermission(new RuntimePermission("jvmci")); } return null; } @SuppressWarnings("unused") private JVMCICompilerFactory(Void ignore) { } /** * Initializes a new instance of this class. * * @throws SecurityException if a security manager has been installed and it denies * {@code RuntimePermission("jvmci")} */ protected JVMCICompilerFactory() { this(checkPermission()); } /** * Get the name of this compiler. The name is used by JVMCI to determine which factory to use. */ public abstract String getCompilerName(); /** * Notifies this object that it has been selected to {@linkplain #createCompiler(JVMCIRuntime) * create} a compiler and it should now perform any heavy weight initialization that it deferred * during construction. */ public void onSelection() { } /** * Create a new instance of a {@link JVMCICompiler}. */ public abstract JVMCICompiler createCompiler(JVMCIRuntime runtime); /** * In a tiered system it might be advantageous for startup to keep the JVMCI compiler from * compiling itself so provide a hook to request that certain packages are compiled only by an * optimizing first tier. The prefixes should class or package names using / as the separator, * i.e. jdk/vm/ci for instance. * * @return 0 or more Strings identifying packages that should by compiled by the first tier * only. */ public String[] getTrivialPrefixes() { return null; } }