content: /*
   * 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.taobao.android.dx.dex.code;
  
  import com.taobao.android.dx.rop.code.RegisterSpecList;
  import com.taobao.android.dx.rop.code.SourcePosition;
  
  /**
   * Instruction which has no extra info beyond the basics provided for in
   * the base class.
   */
  public final class SimpleInsn extends FixedSizeInsn {
      /**
       * Constructs an instance. The output address of this instance is initially
       * unknown ({@code -1}).
       *
       * @param opcode the opcode; one of the constants from {@link Dops}
       * @param position {@code non-null;} source position
       * @param registers {@code non-null;} register list, including a
       * result register if appropriate (that is, registers may be either
       * ins or outs)
       */
      public SimpleInsn(Dop opcode, SourcePosition position,
                        RegisterSpecList registers) {
          super(opcode, position, registers);
      }
  
      /** {@inheritDoc} */
      @Override
      public DalvInsn withOpcode(Dop opcode) {
          return new SimpleInsn(opcode, getPosition(), getRegisters());
      }
  
      /** {@inheritDoc} */
      @Override
      public DalvInsn withRegisters(RegisterSpecList registers) {
          return new SimpleInsn(getOpcode(), getPosition(), registers);
      }
  
      /** {@inheritDoc} */
      @Override
      protected String argString() {
          return null;
      }
  }
  