| /* |
| * Copyright (c) 2018, 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 org.graalvm.compiler.hotspot.meta; |
| |
| import java.lang.module.ModuleDescriptor.Requires; |
| |
| import jdk.internal.vm.compiler.collections.EconomicSet; |
| import org.graalvm.compiler.phases.tiers.CompilerConfiguration; |
| |
| /** |
| * Determines if methods in a given class can be intrinsified. |
| * |
| * Only classes loaded from the module defining the compiler configuration or any of its transitive |
| * dependencies can be intrinsified. |
| * |
| * This version of the class must be used on JDK 9 or later. |
| */ |
| public final class IntrinsificationPredicate { |
| /** |
| * Set of modules composed of the module defining the compiler configuration and its transitive |
| * dependencies. |
| */ |
| private final EconomicSet<Module> trustedModules; |
| |
| IntrinsificationPredicate(CompilerConfiguration compilerConfiguration) { |
| trustedModules = EconomicSet.create(); |
| Module compilerConfigurationModule = compilerConfiguration.getClass().getModule(); |
| if (compilerConfigurationModule.getDescriptor().isAutomatic()) { |
| throw new IllegalArgumentException(String.format("The module '%s' defining the Graal compiler configuration class '%s' must not be an automatic module", |
| compilerConfigurationModule.getName(), compilerConfiguration.getClass().getName())); |
| } |
| trustedModules.add(compilerConfigurationModule); |
| for (Requires require : compilerConfigurationModule.getDescriptor().requires()) { |
| for (Module module : compilerConfigurationModule.getLayer().modules()) { |
| if (module.getName().equals(require.name())) { |
| trustedModules.add(module); |
| } |
| } |
| } |
| } |
| |
| public boolean apply(Class<?> declaringClass) { |
| Module module = declaringClass.getModule(); |
| return trustedModules.contains(module); |
| } |
| } |