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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dx.io.instructions;
     18 
     19 import com.android.dx.io.IndexType;
     20 
     21 /**
     22  * A decoded Dalvik instruction which has five register arguments.
     23  */
     24 public final class FourRegisterDecodedInstruction extends DecodedInstruction {
     25     /** register argument "A" */
     26     private final int a;
     27 
     28     /** register argument "B" */
     29     private final int b;
     30 
     31     /** register argument "C" */
     32     private final int c;
     33 
     34     /** register argument "D" */
     35     private final int d;
     36 
     37     /**
     38      * Constructs an instance.
     39      */
     40     public FourRegisterDecodedInstruction(InstructionCodec format, int opcode,
     41             int index, IndexType indexType, int target, long literal,
     42             int a, int b, int c, int d) {
     43         super(format, opcode, index, indexType, target, literal);
     44 
     45         this.a = a;
     46         this.b = b;
     47         this.c = c;
     48         this.d = d;
     49     }
     50 
     51     /** {@inheritDoc} */
     52     @Override
     53     public int getRegisterCount() {
     54         return 4;
     55     }
     56 
     57     /** {@inheritDoc} */
     58     @Override
     59     public int getA() {
     60         return a;
     61     }
     62 
     63     /** {@inheritDoc} */
     64     @Override
     65     public int getB() {
     66         return b;
     67     }
     68 
     69     /** {@inheritDoc} */
     70     @Override
     71     public int getC() {
     72         return c;
     73     }
     74 
     75     /** {@inheritDoc} */
     76     @Override
     77     public int getD() {
     78         return d;
     79     }
     80 
     81     /** {@inheritDoc} */
     82     @Override
     83     public DecodedInstruction withIndex(int newIndex) {
     84         return new FourRegisterDecodedInstruction(
     85                 getFormat(), getOpcode(), newIndex, getIndexType(),
     86                 getTarget(), getLiteral(), a, b, c, d);
     87     }
     88 }
     89