/*
* Copyright (c) 2013, 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 org.graalvm.compiler.truffle;
import org.graalvm.compiler.debug.Debug;
import org.graalvm.compiler.debug.JavaMethodContext;
import com.oracle.truffle.api.RootCallTarget;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.JavaMethod;
import jdk.vm.ci.meta.JavaType;
import jdk.vm.ci.meta.ResolvedJavaType;
import jdk.vm.ci.meta.Signature;
/**
* Enables a Truffle compilable to masquerade as a {@link JavaMethod} for use as a context value in
* {@linkplain Debug#scope(Object) debug scopes}.
*/
public class TruffleDebugJavaMethod implements JavaMethod, JavaMethodContext {
private final RootCallTarget compilable;
private static final JavaType declaringClass = new JavaType() {
@Override
public String getName() {
return "LTruffle;";
}
@Override
public JavaType getComponentType() {
return null;
}
@Override
public JavaType getArrayClass() {
throw new UnsupportedOperationException();
}
@Override
public JavaKind getJavaKind() {
return JavaKind.Object;
}
@Override
public ResolvedJavaType resolve(ResolvedJavaType accessingClass) {
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object obj) {
return obj instanceof TruffleDebugJavaMethod;
}
@Override
public int hashCode() {
return getName().hashCode();
}
};
private static final Signature signature = new Signature() {
@Override
public JavaType getReturnType(ResolvedJavaType accessingClass) {
return declaringClass;
}
@Override
public int getParameterCount(boolean receiver) {
return 0;
}
@Override
public JavaType getParameterType(int index, ResolvedJavaType accessingClass) {
throw new IndexOutOfBoundsException();
}
};
public TruffleDebugJavaMethod(RootCallTarget compilable) {
this.compilable = compilable;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof TruffleDebugJavaMethod) {
TruffleDebugJavaMethod other = (TruffleDebugJavaMethod) obj;
return other.compilable.equals(compilable);
}
return false;
}
@Override
public int hashCode() {
return compilable.hashCode();
}
@Override
public Signature getSignature() {
return signature;
}
@Override
public String getName() {
return (compilable.toString() + "").replace('.', '_').replace(' ', '_');
}
@Override
public JavaType getDeclaringClass() {
return declaringClass;
}
@Override
public String toString() {
return format("Truffle<%n(%p)>");
}
@Override
public JavaMethod asJavaMethod() {
return this;
}
}