/*
* Copyright 2014 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.model;
import java.util.HashMap;
import java.util.Map;
import org.teavm.optimization.GlobalValueNumbering;
import org.teavm.optimization.UnusedVariableElimination;
/**
*
* @author Alexey Andreev
*/
public class PreOptimizingClassHolderSource implements ClassHolderSource {
private ClassHolderSource innerClassSource;
private Map<String, ClassHolder> cache = new HashMap<>();
public PreOptimizingClassHolderSource(ClassHolderSource innerClassSource) {
this.innerClassSource = innerClassSource;
}
@Override
public ClassHolder get(String name) {
ClassHolder cls = cache.get(name);
if (cls == null) {
cls = innerClassSource.get(name);
if (cls == null) {
return null;
}
for (MethodHolder method : cls.getMethods()) {
new GlobalValueNumbering().optimize(method, method.getProgram());
new UnusedVariableElimination().optimize(method, method.getProgram());
}
cache.put(name, cls);
}
return cls;
}
}