1579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/* 2579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Copyright (C) 2011 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.google.dexmaker; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.code.Rop; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.code.Rops; 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.type.TypeList; 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * An operation on two values of the same type. 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * <p>Math operations ({@link #ADD}, {@link #SUBTRACT}, {@link #MULTIPLY}, 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * {@link #DIVIDE}, and {@link #REMAINDER}) support ints, longs, floats and 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * doubles. 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * <p>Bit operations ({@link #AND}, {@link #OR}, {@link #XOR}, {@link 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * #SHIFT_LEFT}, {@link #SHIFT_RIGHT}, {@link #UNSIGNED_SHIFT_RIGHT}) support 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * ints and longs. 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * <p>Division by zero behaves differently depending on the operand type. 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * For int and long operands, {@link #DIVIDE} and {@link #REMAINDER} throw 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * {@link ArithmeticException} if {@code b == 0}. For float and double operands, 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * the operations return {@code NaN}. 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic enum BinaryOp { 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a + b} */ 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson ADD() { 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opAdd(types); 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a - b} */ 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson SUBTRACT() { 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opSub(types); 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a * b} */ 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson MULTIPLY() { 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opMul(types); 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a / b} */ 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson DIVIDE() { 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opDiv(types); 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a % b} */ 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson REMAINDER() { 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opRem(types); 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 75579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a & b} */ 76579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson AND() { 77579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 78579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opAnd(types); 79579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 80579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 81579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 82579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a | b} */ 83579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson OR() { 84579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 85579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opOr(types); 86579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 87579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 88579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 89579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a ^ b} */ 90579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson XOR() { 91579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 92579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opXor(types); 93579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 94579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 95579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 96579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a << b} */ 97579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson SHIFT_LEFT() { 98579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 99579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opShl(types); 100579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 101579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 102579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 103579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a >> b} */ 104579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson SHIFT_RIGHT() { 105579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 106579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opShr(types); 107579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 108579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }, 109579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 110579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code a >>> b} */ 111579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson UNSIGNED_SHIFT_RIGHT() { 112579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override Rop rop(TypeList types) { 113579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Rops.opUshr(types); 114579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 115579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson }; 116579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 117579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson abstract Rop rop(com.android.dx.rop.type.TypeList types); 118579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 119