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/*
* 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 com.intellij.codeInspection.bytecodeAnalysis;
final class Method {
final String internalClassName;
final String methodName;
final String methodDesc;
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Method method = (Method) o;
return internalClassName.equals(method.internalClassName) && methodDesc.equals(method.methodDesc) && methodName.equals(method.methodName);
}
@Override
public int hashCode() {
int result = internalClassName.hashCode();
result = 31 * result + methodName.hashCode();
result = 31 * result + methodDesc.hashCode();
return result;
}
Method(String internalClassName, String methodName, String methodDesc) {
this.internalClassName = internalClassName;
this.methodName = methodName;
this.methodDesc = methodDesc;
}
@Override
public String toString() {
return internalClassName + ' ' + methodName + ' ' + methodDesc;
}
}
enum Value {
Bot, NotNull, Null, True, False, Top
}
interface Direction {}
final class In implements Direction {
static final int NOT_NULL = 0;
static final int NULLABLE = 1;
final int paramIndex;
final int nullityMask;
In(int paramIndex, int nullityMask) {
this.paramIndex = paramIndex;
this.nullityMask = nullityMask;
}
@Override
public String toString() {
return "In " + paramIndex;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
In in = (In) o;
if (paramIndex != in.paramIndex) return false;
if (nullityMask != in.nullityMask) return false;
return true;
}
@Override
public int hashCode() {
return 31*paramIndex + nullityMask;
}
public int paramId() {
return paramIndex;
}
}
final class InOut implements Direction {
final int paramIndex;
final Value inValue;
InOut(int paramIndex, Value inValue) {
this.paramIndex = paramIndex;
this.inValue = inValue;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
InOut inOut = (InOut) o;
if (paramIndex != inOut.paramIndex) return false;
if (inValue != inOut.inValue) return false;
return true;
}
@Override
public int hashCode() {
int result = paramIndex;
result = 31 * result + inValue.ordinal();
return result;
}
@Override
public String toString() {
return "InOut " + paramIndex + " " + inValue.toString();
}
public int paramId() {
return paramIndex;
}
public int valueId() {
return inValue.ordinal();
}
}
final class Out implements Direction {
@Override
public String toString() {
return "Out";
}
@Override
public int hashCode() {
return 1;
}
@Override
public boolean equals(Object obj) {
return obj instanceof Out;
}
}
final class Key {
final Method method;
final Direction direction;
final boolean stable;
Key(Method method, Direction direction, boolean stable) {
this.method = method;
this.direction = direction;
this.stable = stable;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Key key = (Key) o;
if (!direction.equals(key.direction)) return false;
if (!method.equals(key.method)) return false;
if (stable != key.stable) return false;
return true;
}
@Override
public int hashCode() {
int result = method.hashCode();
result = 31 * result + direction.hashCode();
result = 31 * result + (stable ? 1 : 0);
return result;
}
@Override
public String toString() {
return method + " " + direction + " " + stable;
}
}
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