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 Wilsonimport com.android.dx.util.Hex; 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constants of type {@code byte}. 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class CstByte 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson extends CstLiteral32 { 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} the value {@code 0} as an instance of this class */ 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstByte VALUE_0 = make((byte) 0); 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given value. This may (but does not 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * necessarily) return an already-allocated instance. 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value the {@code byte} value 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstByte make(byte value) { 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return new CstByte(value); 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given {@code int} value. This 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * may (but does not necessarily) return an already-allocated 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * instance. 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value the value, which must be in range for a {@code byte} 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return {@code non-null;} the appropriate instance 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstByte make(int value) { 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson byte cast = (byte) value; 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson if (cast != value) { 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson throw new IllegalArgumentException("bogus byte value: " + 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson value); 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return make(cast); 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. This constructor is private; use {@link #make}. 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param value the {@code byte} value 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private CstByte(byte value) { 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(value); 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toString() { 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson int value = getIntBits(); 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "byte{0x" + Hex.u1(value) + " / " + value + '}'; 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 75579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 76579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Type getType() { 77579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Type.BYTE; 78579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 79579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 80579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 81579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 82579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String typeName() { 83579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "byte"; 84579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 85579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 86579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 87579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toHuman() { 88579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Integer.toString(getIntBits()); 89579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 90579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 91579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 92579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Gets the {@code byte} value. 93579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 94579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return the value 95579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 96579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public byte getValue() { 97579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return (byte) getIntBits(); 98579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 99579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 100