1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage com.android.dx.rop.cst; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.util.ToHuman; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Base class for constants of all sorts. 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic abstract class Constant 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project implements ToHuman, Comparable<Constant> { 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 2799409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * Returns {@code true} if this instance is a category-2 constant, 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * meaning it takes up two slots in the constant pool, or 2999409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * {@code false} if this instance is category-1. 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 3199409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @return {@code true} iff this instance is category-2 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public abstract boolean isCategory2(); 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns the human name for the particular type of constant 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this instance is. 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 3999409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @return {@code non-null;} the name 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public abstract String typeName(); 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@inheritDoc} 45de75089fb7216d19e9c22cce4dc62a49513477d3Carl Shapiro * 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * This compares in class-major and value-minor order. 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public final int compareTo(Constant other) { 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Class clazz = getClass(); 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Class otherClazz = other.getClass(); 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (clazz != otherClazz) { 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return clazz.getName().compareTo(otherClazz.getName()); 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return compareTo0(other); 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Compare the values of this and another instance, which are guaranteed 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * to be of the same class. Subclasses must implement this. 62de75089fb7216d19e9c22cce4dc62a49513477d3Carl Shapiro * 6399409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param other {@code non-null;} the instance to compare to 6499409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @return {@code -1}, {@code 0}, or {@code 1}, as usual 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * for a comparison 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected abstract int compareTo0(Constant other); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 69