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33 lines
840 B
33 lines
840 B
// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
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package org.jetbrains.java.decompiler.main.collectors;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Set;
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public class VarNamesCollector {
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private final Set<String> usedNames = new HashSet<>();
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public VarNamesCollector() { }
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public VarNamesCollector(Collection<String> setNames) {
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usedNames.addAll(setNames);
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}
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public void addName(String value) {
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usedNames.add(value);
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}
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public String getFreeName(int index) {
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return getFreeName("var" + index);
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}
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public String getFreeName(String proposition) {
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while (usedNames.contains(proposition)) {
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proposition += "x";
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}
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usedNames.add(proposition);
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return proposition;
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}
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}
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