| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dx.rop.code; |
| |
| import com.android.dx.rop.cst.Constant; |
| |
| /** |
| * Instruction which contains an explicit reference to a constant. |
| */ |
| public abstract class CstInsn |
| extends Insn { |
| /** non-null; the constant */ |
| private final Constant cst; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param opcode non-null; the opcode |
| * @param position non-null; source position |
| * @param result null-ok; spec for the result, if any |
| * @param sources non-null; specs for all the sources |
| * @param cst non-null; constant |
| */ |
| public CstInsn(Rop opcode, SourcePosition position, RegisterSpec result, |
| RegisterSpecList sources, Constant cst) { |
| super(opcode, position, result, sources); |
| |
| if (cst == null) { |
| throw new NullPointerException("cst == null"); |
| } |
| |
| this.cst = cst; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getInlineString() { |
| return cst.toHuman(); |
| } |
| |
| /** |
| * Gets the constant. |
| * |
| * @return non-null; the constant |
| */ |
| public Constant getConstant() { |
| return cst; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean contentEquals(Insn b) { |
| /* |
| * The cast (CstInsn)b below should always succeed since |
| * Insn.contentEquals compares classes of this and b. |
| */ |
| return super.contentEquals(b) |
| && cst.equals(((CstInsn)b).getConstant()); |
| } |
| } |