| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.jetbrains.java.decompiler.main.collectors; |
| |
| import java.util.HashSet; |
| |
| public class VarNamesCollector { |
| |
| private HashSet<String> usedNames = new HashSet<String>(); |
| |
| public VarNamesCollector() { |
| } |
| |
| public VarNamesCollector(HashSet<String> setNames) { |
| usedNames.addAll(setNames); |
| } |
| |
| public void addName(String value) { |
| usedNames.add(value); |
| } |
| |
| public String getFreeName(int index) { |
| return getFreeName("var" + index); |
| } |
| |
| public String getFreeName(String proposition) { |
| |
| while (usedNames.contains(proposition)) { |
| proposition += "x"; |
| } |
| usedNames.add(proposition); |
| return proposition; |
| } |
| |
| public HashSet<String> getUsedNames() { |
| return usedNames; |
| } |
| } |