| /* |
| * Copyright 2008 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.JPermutationDependentValue; |
| import com.google.gwt.dev.jjs.ast.JProgram; |
| import com.google.gwt.dev.jjs.ast.JVisitor; |
| 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; |
| import com.google.gwt.thirdparty.guava.common.collect.Sets; |
| |
| import java.util.Set; |
| |
| /** |
| * Records all live rebinds. |
| */ |
| public class RecordRebinds { |
| |
| private class RebindVisitor extends JVisitor { |
| @Override |
| public void endVisit(JPermutationDependentValue x, Context ctx) { |
| if (x.isTypeRebind()) { |
| liveRebindRequests.add(x.getRequestedValue()); |
| } |
| } |
| } |
| |
| public static Set<String> exec(JProgram program) { |
| Event recordRebindsEvent = SpeedTracerLogger.start(CompilerEventType.RECORD_REBINDS); |
| Set<String> liveRebindRequests = Sets.newHashSet(); |
| new RecordRebinds(program, liveRebindRequests).execImpl(); |
| recordRebindsEvent.end(); |
| return liveRebindRequests; |
| } |
| |
| private final Set<String> liveRebindRequests; |
| private final JProgram program; |
| |
| private RecordRebinds(JProgram program, Set<String> liveRebindRequests) { |
| this.program = program; |
| this.liveRebindRequests = liveRebindRequests; |
| } |
| |
| private void execImpl() { |
| RebindVisitor rebinder = new RebindVisitor(); |
| rebinder.accept(program); |
| } |
| |
| } |