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/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* 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.turbine.binder.sym;
import com.google.errorprone.annotations.Immutable;
import java.util.Objects;
import org.checkerframework.checker.nullness.qual.Nullable;
/** A method symbol. */
@Immutable
public class MethodSymbol implements Symbol {
/**
* The index of the method in its enclosing element. Used to implement equals and hashCode, since
* methods aren't uniquely identified by their name and owner.
*/
private final int idx;
private final ClassSymbol owner;
private final String name;
public MethodSymbol(int idx, ClassSymbol owner, String name) {
this.idx = idx;
this.owner = owner;
this.name = name;
}
/** The enclosing class. */
public ClassSymbol owner() {
return owner;
}
/** The method name. */
public String name() {
return name;
}
@Override
public int hashCode() {
return Objects.hash(name, owner);
}
@Override
public Kind symKind() {
return Kind.METHOD;
}
@Override
public boolean equals(@Nullable Object obj) {
if (!(obj instanceof MethodSymbol)) {
return false;
}
MethodSymbol other = (MethodSymbol) obj;
return name().equals(other.name()) && owner().equals(other.owner()) && idx == other.idx;
}
@Override
public String toString() {
return owner + "#" + name;
}
}
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