content: /*
   * [The "BSD licence"]
   * Copyright (c) 2010 Ben Gruver (JesusFreke)
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package org.jf.baksmali.Adaptors.Format;
  
  import org.jf.baksmali.Adaptors.LabelMethodItem;
  import org.jf.baksmali.Adaptors.MethodDefinition;
  import org.jf.baksmali.BaksmaliOptions;
  import org.jf.dexlib2.Opcode;
  import org.jf.dexlib2.iface.instruction.OffsetInstruction;
  import org.jf.util.IndentingWriter;
  
  import javax.annotation.Nonnull;
  import java.io.IOException;
  
  public class OffsetInstructionFormatMethodItem extends InstructionMethodItem<OffsetInstruction> {
      protected LabelMethodItem label;
  
      public OffsetInstructionFormatMethodItem(@Nonnull BaksmaliOptions options, @Nonnull MethodDefinition methodDef,
                                               int codeAddress, OffsetInstruction instruction) {
          super(methodDef, codeAddress, instruction);
  
          label = new LabelMethodItem(options, codeAddress + instruction.getCodeOffset(), getLabelPrefix());
          label = methodDef.getLabelCache().internLabel(label);
      }
  
      @Override
      protected void writeTargetLabel(IndentingWriter writer) throws IOException {
          label.writeTo(writer);
      }
  
      public LabelMethodItem getLabel() {
          return label;
      }
  
      private String getLabelPrefix() {
          Opcode opcode = instruction.getOpcode();
          switch (opcode.format) {
              case Format10t:
              case Format20t:
              case Format30t:
                  return "goto_";
              case Format21t:
              case Format22t:
                  return "cond_";
              case Format31t:
                  if (opcode == Opcode.FILL_ARRAY_DATA) {
                      return "array_";
                  }
                  if (opcode == Opcode.PACKED_SWITCH) {
                      return "pswitch_data_";
                  }
                  // Opcode.SPARSE_SWITCH;
                  return "sswitch_data_";
          }
  
          assert false;
          return null;
      }
  }
  