ligo/vendors/Preproc/PreprocMain.ml
Christian Rinderknecht 9c9321029a First working version.
2020-03-24 17:48:01 +01:00

26 lines
865 B
OCaml

module Region = Simple_utils.Region
let options = EvalOpt.read ();;
match open_in options#input with
exception Sys_error msg -> prerr_endline msg
| cin ->
let buffer = Lexing.from_channel cin in
let open Lexing in
let () =
buffer.lex_curr_p <-
{buffer.lex_curr_p with pos_fname = options#input} in
match Preproc.lex buffer with
pp -> print_string (Buffer.contents pp)
| exception E_Lexer.Error err ->
let formatted =
E_Lexer.Error.format ~offsets:options#offsets ~file:true err
in prerr_endline formatted.Region.value
| exception Preproc.Error (state, err) ->
let formatted =
Preproc.Error.format ~offsets:options#offsets ~file:true err in
begin
print_string (Buffer.contents state.Preproc.out);
prerr_endline formatted.Region.value
end