examples/OCaml-Kaleidoscope/Chapter5/token.ml

   1 (*===----------------------------------------------------------------------===
   2  * Lexer Tokens
   3  *===----------------------------------------------------------------------===*)
   4
   5 (* The lexer returns these 'Kwd' if it is an unknown character, otherwise one of
   6  * these others for known things. *)
   7 type token =
   8   (* commands *)
   9   | Def | Extern
  10
  11   (* primary *)
  12   | Ident of string | Number of float
  13
  14   (* unknown *)
  15   | Kwd of char
  16
  17   (* control *)
  18   | If | Then | Else
  19   | For | In