/*

 * 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;

import jdk.vm.ci.hotspot.HotSpotJVMCICompilerFactory;

/**

 * Determines if a given class is a JVMCI or Graal class for the purpose of

 * {@link HotSpotGraalCompilerFactory.Options#CompileGraalWithC1Only}.

 */

public class IsGraalPredicate {

    /**

     * Module containing {@link HotSpotJVMCICompilerFactory}.

     */

    private final Module jvmciModule;

    /**

     * Module containing {@link HotSpotGraalCompilerFactory}.

     */

    private final Module graalModule;

    /**

     * Module containing the {@linkplain CompilerConfigurationFactory#selectFactory selected}

     * configuration.

     */

    private Module compilerConfigurationModule;

    public IsGraalPredicate() {

        jvmciModule = HotSpotJVMCICompilerFactory.class.getModule();

        graalModule = HotSpotGraalCompilerFactory.class.getModule();

    }

    void onCompilerConfigurationFactorySelection(CompilerConfigurationFactory factory) {

        compilerConfigurationModule = factory.getClass().getModule();

    }

    boolean apply(Class<?> declaringClass) {

        Module module = declaringClass.getModule();

        return jvmciModule == module || graalModule == module || compilerConfigurationModule == module;

    }

}