examples/OCaml-Kaleidoscope/Chapter3/toy.ml

   1 (*===----------------------------------------------------------------------===
   2  * Main driver code.
   3  *===----------------------------------------------------------------------===*)
   4
   5 open Llvm
   6
   7 let main () =
   8   (* Install standard binary operators.
   9    * 1 is the lowest precedence. *)
  10   Hashtbl.add Parser.binop_precedence '<' 10;
  11   Hashtbl.add Parser.binop_precedence '+' 20;
  12   Hashtbl.add Parser.binop_precedence '-' 20;
  13   Hashtbl.add Parser.binop_precedence '*' 40;    (* highest. *)
  14
  15   (* Prime the first token. *)
  16   print_string "ready> "; flush stdout;
  17   let stream = Lexer.lex (Stream.of_channel stdin) in
  18
  19   (* Run the main "interpreter loop" now. *)
  20   Toplevel.main_loop stream;
  21
  22   (* Print out all the generated code. *)
  23   dump_module Codegen.the_module
  24 ;;
  25
  26 main ()