//
  // used for instructions that take a word as a parameter
  // (e.g. branches, newarray, invokemethod)
  //
  void plant(String name, String val) throws jasError {
    InsnInfo insn = InsnInfo.get(name);
    CodeAttr code = _getCode();
    autoNumber();
    flushInsnBuffer();

    if (insn.args.equals("method")) {
      String split[] = ScannerUtils.splitClassMethodSignature(val);
      bufferInsn(new Insn(insn.opcode, new MethodCP(split[0], split[1], split[2])));
    } else if (insn.args.equals("interface")) {
      String split[] = ScannerUtils.splitClassMethodSignature(val);
      bufferInsn(
          new InvokeinterfaceInsn(
              new InterfaceCP(split[0], split[1], split[2]),
              ScannerUtils.getArgumentsAndReturnSizes(split[2]) >> 2));
    } else if (name.startsWith("ldc")) {
      bufferInsn(new Insn(insn.opcode, new ClassCP(val)));
    } else if (insn.args.equals("atype")) {
      int atype = 0;
      if (val.equals("boolean")) {
        atype = 4;
      } else if (val.equals("char")) {
        atype = 5;
      } else if (val.equals("float")) {
        atype = 6;
      } else if (val.equals("double")) {
        atype = 7;
      } else if (val.equals("byte")) {
        atype = 8;
      } else if (val.equals("short")) {
        atype = 9;
      } else if (val.equals("int")) {
        atype = 10;
      } else if (val.equals("long")) {
        atype = 11;
      } else {
        throw new jasError("Bad array type: " + name);
      }
      bufferInsn(new Insn(insn.opcode, atype, false));
    } else if (insn.args.indexOf("label") >= 0) {
      bufferInsn(new Insn(insn.opcode, getLabel(val), scanner.line_num));
    } else if (insn.args.equals("class")) {
      bufferInsn(new Insn(insn.opcode, new ClassCP(val)));
    } else {
      throw new jasError("(gloups)Bad arguments for instruction " + name);
    }
  }
 //
 // called by the .enclosing directive
 //
 void setEnclosingMethod(String str) {
   try {
     if (str.indexOf("(") != -1) { // full method description
       String[] split = ScannerUtils.splitClassMethodSignature(str);
       class_env.setEnclosingMethod(split[0], split[1], split[2]);
     } else // just a class name
     class_env.setEnclosingMethod(str, null, null);
   } catch (IllegalArgumentException e) {
     report_error(e.toString());
   }
 }
  //
  // used for invokeinterface and multianewarray
  //
  void plant(String name, String val, int nargs) throws jasError {
    InsnInfo insn = InsnInfo.get(name);
    CodeAttr code = _getCode();
    autoNumber();
    flushInsnBuffer();

    if (insn.args.equals("interface")) {
      String split[] = ScannerUtils.splitClassMethodSignature(val);
      bufferInsn(
          new InvokeinterfaceInsn(
              new InterfaceCP(split[0], split[1], split[2]),
              ScannerUtils.getArgumentsAndReturnSizes(split[2]) >> 2));

    } else if (insn.args.equals("marray")) {
      bufferInsn(new MultiarrayInsn(new ClassCP(val), nargs));
    } else {
      throw new jasError("Bad arguments for instruction " + name);
    }
  }