code: final int getKeywordToken(String key)
    {
  
      int tok;
  
      try
      {
        Integer itok = (Integer) Keywords.getKeyWord(key);
  
        tok = (null != itok) ? itok.intValue() : 0;
      }
      catch (NullPointerException npe)
      {
        tok = 0;
      }
      catch (ClassCastException cce)
      {
        tok = 0;
      }
  
      return tok;
    }
docs: Given a string, return the corresponding keyword token.
  
  @param key The keyword.
  
  @return An opcode value.