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/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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.android.dexgen.rop.cst;
import com.android.dexgen.rop.type.Type;
import com.android.dexgen.util.FixedSizeList;
/**
* Constant type to represent a fixed array of other constants. The contents
* may be of any type <i>other</i> than {@link CstUtf8}.
*/
public final class CstArray extends Constant {
/** {@code non-null;} the actual list of contents */
private final List list;
/**
* Constructs an instance.
*
* @param list {@code non-null;} the actual list of contents
*/
public CstArray(List list) {
if (list == null) {
throw new NullPointerException("list == null");
}
list.throwIfMutable();
this.list = list;
}
/** {@inheritDoc} */
@Override
public boolean equals(Object other) {
if (! (other instanceof CstArray)) {
return false;
}
return list.equals(((CstArray) other).list);
}
/** {@inheritDoc} */
@Override
public int hashCode() {
return list.hashCode();
}
/** {@inheritDoc} */
@Override
protected int compareTo0(Constant other) {
return list.compareTo(((CstArray) other).list);
}
/** {@inheritDoc} */
@Override
public String toString() {
return list.toString("array{", ", ", "}");
}
/** {@inheritDoc} */
@Override
public String typeName() {
return "array";
}
/** {@inheritDoc} */
@Override
public boolean isCategory2() {
return false;
}
/** {@inheritDoc} */
public String toHuman() {
return list.toHuman("{", ", ", "}");
}
/**
* Get the underlying list.
*
* @return {@code non-null;} the list
*/
public List getList() {
return list;
}
/**
* List of {@link Constant} instances.
*/
public static final class List
extends FixedSizeList implements Comparable<List> {
/**
* Constructs an instance. All indices initially contain
* {@code null}.
*
* @param size the size of the list
*/
public List(int size) {
super(size);
}
/** {@inheritDoc} */
public int compareTo(List other) {
int thisSize = size();
int otherSize = other.size();
int compareSize = (thisSize < otherSize) ? thisSize : otherSize;
for (int i = 0; i < compareSize; i++) {
Constant thisItem = (Constant) get0(i);
Constant otherItem = (Constant) other.get0(i);
int compare = thisItem.compareTo(otherItem);
if (compare != 0) {
return compare;
}
}
if (thisSize < otherSize) {
return -1;
} else if (thisSize > otherSize) {
return 1;
}
return 0;
}
/**
* Gets the element at the given index. It is an error to call
* this with the index for an element which was never set; if you
* do that, this will throw {@code NullPointerException}.
*
* @param n {@code >= 0, < size();} which index
* @return {@code non-null;} element at that index
*/
public Constant get(int n) {
return (Constant) get0(n);
}
/**
* Sets the element at the given index.
*
* @param n {@code >= 0, < size();} which index
* @param a {@code null-ok;} the element to set at {@code n}
*/
public void set(int n, Constant a) {
if (a instanceof CstUtf8) {
throw new IllegalArgumentException("bad value: " + a);
}
set0(n, a);
}
}
}
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