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      1 /*
      2  * Copyright (C) 2017 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 /** A decoded invoke-polymorphic/range instruction. */
     22 public class InvokePolymorphicRangeDecodedInstruction extends DecodedInstruction {
     23 
     24     private final int c;
     25     private final int registerCount;
     26     private final int protoIndex;
     27 
     28     public InvokePolymorphicRangeDecodedInstruction(
     29             InstructionCodec format,
     30             int opcode,
     31             int methodIndex,
     32             IndexType indexType,
     33             int c,
     34             int registerCount,
     35             int protoIndex) {
     36         super(format, opcode, methodIndex, indexType, 0, 0);
     37         if (protoIndex != (short) protoIndex) {
     38           throw new IllegalArgumentException("protoIndex doesn't fit in a short: " + protoIndex);
     39         }
     40         this.c = c;
     41         this.registerCount = registerCount;
     42         this.protoIndex = protoIndex;
     43     }
     44 
     45     @Override
     46     public int getRegisterCount() {
     47         return registerCount;
     48     }
     49 
     50     @Override
     51     public int getC() {
     52         return c;
     53     }
     54 
     55     @Override
     56     public DecodedInstruction withProtoIndex(int newIndex, int newProtoIndex) {
     57         return new InvokePolymorphicRangeDecodedInstruction(
     58                 getFormat(),
     59                 getOpcode(),
     60                 newIndex,
     61                 getIndexType(),
     62                 c,
     63                 registerCount,
     64                 newProtoIndex);
     65     }
     66 
     67     @Override
     68     public DecodedInstruction withIndex(int newIndex) {
     69         throw new UnsupportedOperationException(
     70                 "use withProtoIndex to update both the method and proto indices for "
     71                         + "invoke-polymorphic/range");
     72     }
     73 
     74     @Override
     75     public short getProtoIndex() {
     76         return (short) protoIndex;
     77     }
     78 }
     79