1579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/* 2579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Copyright (C) 2007 The Android Open Source Project 3579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 4579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 5579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * you may not use this file except in compliance with the License. 6579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * You may obtain a copy of the License at 7579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 8579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 9579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 10579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Unless required by applicable law or agreed to in writing, software 11579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 12579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * See the License for the specific language governing permissions and 14579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * limitations under the License. 15579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 16579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 17579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpackage com.android.dx.rop.cst; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.type.Type; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constants of type {@code boolean}. 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class CstBoolean 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson extends CstLiteral32 { 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code false} */ 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstBoolean VALUE_FALSE = new CstBoolean(false); 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code true} */ 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstBoolean VALUE_TRUE = new CstBoolean(true); 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given value. This will return an 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * already-allocated instance. 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value the {@code boolean} value 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return {@code non-null;} the appropriate instance 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstBoolean make(boolean value) { 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return value ? VALUE_TRUE : VALUE_FALSE; 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given {@code int} value. This 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * will return an already-allocated instance. 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value must be either {@code 0} or {@code 1} 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return {@code non-null;} the appropriate instance 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstBoolean make(int value) { 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson if (value == 0) { 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return VALUE_FALSE; 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } else if (value == 1) { 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return VALUE_TRUE; 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } else { 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson throw new IllegalArgumentException("bogus value: " + value); 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. This constructor is private; use {@link #make}. 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value the {@code boolean} value 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private CstBoolean(boolean value) { 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(value ? 1 : 0); 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toString() { 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return getValue() ? "boolean{true}" : "boolean{false}"; 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 75579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 76579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Type getType() { 77579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Type.BOOLEAN; 78579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 79579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 80579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 81579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 82579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String typeName() { 83579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "boolean"; 84579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 85579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 86579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 87579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toHuman() { 88579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return getValue() ? "true" : "false"; 89579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 90579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 91579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 92579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Gets the {@code boolean} value. 93579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 94579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return the value 95579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 96579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public boolean getValue() { 97579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return (getIntBits() == 0) ? false : true; 98579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 99579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 100