code: def p_code(p):
      
  
      def asc(x):
          if len(x):
              return ord(x[0])
  
          return 0
  
      if p[2] is None:
          p[0] = None
          return
  
      if p[2].type_ != TYPE.string:
          api.errmsg.syntax_error_expected_string(p.lineno(1), TYPE.to_string(p[2].type_))
          p[0] = None
      else:
          p[0] = make_builtin(p.lineno(1), 'CODE', p[2], lambda x: asc(x), type_=TYPE.ubyte)
docs: bexpr : CODE bexpr %prec UMINUS