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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 compiler.jvmci.common;
import jdk.vm.ci.code.CompilationRequest;
import jdk.vm.ci.code.CompilationRequestResult;
import jdk.vm.ci.hotspot.HotSpotVMEventListener;
import jdk.vm.ci.services.JVMCIServiceLocator;
import jdk.vm.ci.runtime.JVMCICompiler;
import jdk.vm.ci.runtime.JVMCIRuntime;
import jdk.vm.ci.runtime.JVMCICompilerFactory;
/*
* A stub classes to be able to use jvmci
*/
public class JVMCIHelpers extends JVMCIServiceLocator {
@Override
public <S> S getProvider(Class<S> service) {
if (service == JVMCICompilerFactory.class) {
return service.cast(new EmptyCompilerFactory());
}
if (service == HotSpotVMEventListener.class) {
return service.cast(new EmptyVMEventListener());
}
return null;
}
public static class EmptyVMEventListener implements HotSpotVMEventListener {
// just empty, using default interface methods
}
public static class EmptyCompilationRequestResult implements CompilationRequestResult {
@Override
public Object getFailure() {
return "no compiler configured";
}
}
public static class EmptyHotspotCompiler implements JVMCICompiler {
@Override
public CompilationRequestResult compileMethod(CompilationRequest request) {
// do nothing
return new EmptyCompilationRequestResult();
}
}
public static class EmptyCompilerFactory implements JVMCICompilerFactory {
@Override
public String getCompilerName() {
return "EmptyCompiler";
}
@Override
public JVMCICompiler createCompiler(JVMCIRuntime runtime) {
return new EmptyHotspotCompiler();
}
}
}
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