/*
* Copyright 2014 Google Inc.
*
* 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 com.google.gwt.dev.jjs.impl;
import com.google.gwt.dev.jjs.ast.Context;
import com.google.gwt.dev.jjs.ast.JMethod;
import com.google.gwt.dev.jjs.ast.JModVisitor;
import com.google.gwt.dev.jjs.ast.JProgram;
import com.google.gwt.dev.util.log.speedtracer.CompilerEventType;
import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger;
import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger.Event;
/**
* Remove all method specializations before final pruning pass.
*/
public class RemoveSpecializations extends JModVisitor {
private JProgram program;
public RemoveSpecializations(JProgram program) {
this.program = program;
}
@Override
public boolean visit(JMethod x, Context ctx) {
x.removeSpecialization();
return false;
}
private static final String NAME = RemoveSpecializations.class.getSimpleName();
private OptimizerStats execImpl() {
OptimizerStats stats = new OptimizerStats(NAME);
accept(program);
return stats;
}
public static OptimizerStats exec(JProgram program) {
Event optimizeEvent = SpeedTracerLogger
.start(CompilerEventType.OPTIMIZE, "optimizer", NAME);
OptimizerStats stats = new RemoveSpecializations(program).execImpl();
optimizeEvent.end("didChange", "" + stats.didChange());
return stats;
}
}