examples/OCaml-Kaleidoscope/Chapter2/toy.ml

   1 (*===----------------------------------------------------------------------===
   2  * Main driver code.
   3  *===----------------------------------------------------------------------===*)
   4
   5 let main () =
   6   (* Install standard binary operators.
   7    * 1 is the lowest precedence. *)
   8   Hashtbl.add Parser.binop_precedence '<' 10;
   9   Hashtbl.add Parser.binop_precedence '+' 20;
  10   Hashtbl.add Parser.binop_precedence '-' 20;
  11   Hashtbl.add Parser.binop_precedence '*' 40;    (* highest. *)
  12
  13   (* Prime the first token. *)
  14   print_string "ready> "; flush stdout;
  15   let stream = Lexer.lex (Stream.of_channel stdin) in
  16
  17   (* Run the main "interpreter loop" now. *)
  18   Toplevel.main_loop stream;
  19 ;;
  20
  21 main ()