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.code; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.cst.Constant; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Instruction which contains an explicit reference to a constant. 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic abstract class CstInsn 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson extends Insn { 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} the constant */ 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private final Constant cst; 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param opcode {@code non-null;} the opcode 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param position {@code non-null;} source position 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param result {@code null-ok;} spec for the result, if any 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param sources {@code non-null;} specs for all the sources 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param cst {@code non-null;} constant 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public CstInsn(Rop opcode, SourcePosition position, RegisterSpec result, 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson RegisterSpecList sources, Constant cst) { 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(opcode, position, result, sources); 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson if (cst == null) { 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson throw new NullPointerException("cst == null"); 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson this.cst = cst; 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String getInlineString() { 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return cst.toHuman(); 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Gets the constant. 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return {@code non-null;} the constant 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Constant getConstant() { 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return cst; 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public boolean contentEquals(Insn b) { 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /* 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * The cast (CstInsn)b below should always succeed since 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Insn.contentEquals compares classes of this and b. 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return super.contentEquals(b) 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson && cst.equals(((CstInsn)b).getConstant()); 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 75