/*
 * Copyright (C) 2017 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.io.instructions;

import com.android.dx.io.IndexType;

/** A decoded invoke-polymorphic/range instruction. */
public class InvokePolymorphicRangeDecodedInstruction extends DecodedInstruction {

  private final int c;
  private final int registerCount;
  private final int protoIndex;

  public InvokePolymorphicRangeDecodedInstruction(
      InstructionCodec format,
      int opcode,
      int methodIndex,
      IndexType indexType,
      int c,
      int registerCount,
      int protoIndex) {
    super(format, opcode, methodIndex, indexType, 0, 0);
    if (protoIndex != (short) protoIndex) {
      throw new IllegalArgumentException("protoIndex doesn't fit in a short: " + protoIndex);
    }
    this.c = c;
    this.registerCount = registerCount;
    this.protoIndex = protoIndex;
  }

  @Override
  public int getRegisterCount() {
    return registerCount;
  }

  @Override
  public int getC() {
    return c;
  }

  @Override
  public DecodedInstruction withProtoIndex(int newIndex, int newProtoIndex) {
    return new InvokePolymorphicRangeDecodedInstruction(
        getFormat(), getOpcode(), newIndex, getIndexType(), c, registerCount, newProtoIndex);
  }

  @Override
  public DecodedInstruction withIndex(int newIndex) {
    throw new UnsupportedOperationException(
        "use withProtoIndex to update both the method and proto indices for "
            + "invoke-polymorphic/range");
  }

  @Override
  public short getProtoIndex() {
    return (short) protoIndex;
  }
}
