/**
  * Get CodeException object.<br>
  * This relies on that the instruction list has already been dumped to byte code or or that the
  * `setPositions' methods has been called for the instruction list.
  *
  * @param cp constant pool
  */
 public CodeException getCodeException(ConstantPoolGen cp) {
   return new CodeException(
       start_pc.getPosition(),
       end_pc.getPosition() + end_pc.getInstruction().getLength(),
       handler_pc.getPosition(),
       (catch_type == null) ? 0 : cp.addClass(catch_type));
 }
  /**
   * Get LocalVariable object.
   *
   * <p>This relies on that the instruction list has already been dumped to byte code or or that the
   * `setPositions' methods has been called for the instruction list.
   *
   * <p>Note that for local variables whose scope end at the last instruction of the method's code,
   * the JVM specification is ambiguous: both a start_pc+length ending at the last instruction and
   * start_pc+length ending at first index beyond the end of the code are valid.
   *
   * @param il instruction list (byte code) which this variable belongs to
   * @param cp constant pool
   */
  public LocalVariable getLocalVariable(ConstantPoolGen cp) {
    int start_pc = start.getPosition();
    int length = end.getPosition() - start_pc;

    if (length > 0) length += end.getInstruction().getLength();

    int name_index = cp.addUtf8(name);
    int signature_index = cp.addUtf8(type.getSignature());

    return new LocalVariable(
        start_pc, length, name_index, signature_index, index, cp.getConstantPool());
  }