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49 lines
1.2 KiB
49 lines
1.2 KiB
// 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.modules.decompiler.vars;
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import org.jetbrains.java.decompiler.modules.decompiler.exps.VarExprent;
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public class VarVersionPair {
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public final int var;
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public final int version;
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private int hashCode = -1;
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public VarVersionPair(int var, int version) {
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this.var = var;
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this.version = version;
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}
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public VarVersionPair(Integer var, Integer version) {
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this.var = var;
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this.version = version;
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}
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public VarVersionPair(VarExprent var) {
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this.var = var.getIndex();
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this.version = var.getVersion();
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}
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@Override
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public boolean equals(Object o) {
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if (o == this) return true;
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if (!(o instanceof VarVersionPair)) return false;
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VarVersionPair paar = (VarVersionPair)o;
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return var == paar.var && version == paar.version;
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}
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@Override
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public int hashCode() {
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if (hashCode == -1) {
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hashCode = this.var * 3 + this.version;
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}
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return hashCode;
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}
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@Override
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public String toString() {
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return "(" + var + "," + version + ")";
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}
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}
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