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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 one register argument.
     23  */
     24 public final class OneRegisterDecodedInstruction extends DecodedInstruction {
     25     /** register argument "A" */
     26     private final int a;
     27 
     28     /**
     29      * Constructs an instance.
     30      */
     31     public OneRegisterDecodedInstruction(InstructionCodec format, int opcode,
     32             int index, IndexType indexType, int target, long literal,
     33             int a) {
     34         super(format, opcode, index, indexType, target, literal);
     35 
     36         this.a = a;
     37     }
     38 
     39     /** {@inheritDoc} */
     40     public int getRegisterCount() {
     41         return 1;
     42     }
     43 
     44     /** {@inheritDoc} */
     45     public int getA() {
     46         return a;
     47     }
     48 
     49     /** {@inheritDoc} */
     50     public DecodedInstruction withIndex(int newIndex) {
     51         return new OneRegisterDecodedInstruction(
     52                 getFormat(), getOpcode(), newIndex, getIndexType(),
     53                 getTarget(), getLiteral(), a);
     54     }
     55 }
     56