/*
* Copyright (c) 2014, 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.
*
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package org.graalvm.compiler.truffle.test.builtins;
import org.graalvm.compiler.options.OptionDescriptor;
import org.graalvm.compiler.truffle.OptimizedCallTarget;
import org.graalvm.compiler.truffle.TruffleCompilerOptions;
import org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleOptionsOverrideScope;
import org.graalvm.compiler.truffle.TruffleCompilerOptions_OptionDescriptors;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.nodes.IndirectCallNode;
import com.oracle.truffle.api.nodes.NodeInfo;
import com.oracle.truffle.sl.runtime.SLFunction;
/**
* Overrides the value of an option in {@link TruffleCompilerOptions}, calls a given function and
* then undoes the override.
*/
@NodeInfo(shortName = "callWithOptionOverride")
public abstract class SLCallWithOptionOverrideBuiltin extends SLGraalRuntimeBuiltin {
private static final Object[] EMPTY_ARGS = new Object[0];
@Child private IndirectCallNode indirectCall = Truffle.getRuntime().createIndirectCallNode();
@Specialization
public SLFunction callWithOptionOverride(SLFunction function, String name, Object value) {
TruffleOptionsOverrideScope scope = override(name, value);
OptimizedCallTarget target = ((OptimizedCallTarget) function.getCallTarget());
indirectCall.call(target, EMPTY_ARGS);
close(scope);
return function;
}
@TruffleBoundary
private static TruffleOptionsOverrideScope override(String name, Object value) {
TruffleCompilerOptions_OptionDescriptors options = new TruffleCompilerOptions_OptionDescriptors();
for (OptionDescriptor option : options) {
if (option.getName().equals(name)) {
return TruffleCompilerOptions.overrideOptions(option.getOptionKey(), convertValue(value));
}
}
throw new SLAssertionError("No such option named \"" + name + "\" found in " + TruffleCompilerOptions.class.getName());
}
private static Object convertValue(Object value) {
// Improve this method as you need it.
if (value instanceof Long) {
long longValue = (long) value;
if (longValue == (int) longValue) {
return (int) longValue;
}
}
return value;
}
@TruffleBoundary
private static void close(TruffleOptionsOverrideScope scope) {
scope.close();
}
}