content: /*
   * Copyright (C) 2014 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 dexfuzz.program;
  
  import dexfuzz.rawdex.Instruction;
  
  /**
   * Base class that is a thin wrapper for Instructions currently, also tracking location
   * as the instruction is moved around.
   */
  public class MInsn {
    /**
     * The raw DEX instruction that this instruction represents.
     */
    public Instruction insn;
  
  
    /**
     * The location of this instruction, as an offset in code words from the beginning.
     * May become invalid if instructions around it are mutated.
     */
    public int location;
  
    /**
     * Denotes if the currently associated location can be trusted.
     */
    public boolean locationUpdated;
  
    /**
     * Clone this MInsn, and clone the wrapped Instruction.
     */
    public MInsn clone() {
      MInsn newInsn = new MInsn();
      newInsn.insn = insn.clone();
      // It is the responsibility of the cloner to update these values.
      newInsn.location = location;
      newInsn.locationUpdated = locationUpdated;
      return newInsn;
    }
  
    /**
     * Get the String representation of an instruction.
     */
    public String toString() {
      return String.format("{0x%04x%s: %s}",
          location,
          (locationUpdated) ? "!" : "",
              insn.toString());
    }
  }
  