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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* The lexer generator. Command-line parsing. *)
#open "syntax";;
#open "testscanner";;
#open "grammar";;
#open "lexgen";;
#open "output";;
let main () =
ic := stdin;
oc := stdout;
let lexbuf = lexing.from_channel ic in
let (Lexdef(header,_) as def) =
try
grammar.lexer_definition testscanner.main lexbuf
with
parsing.Parse_error x ->
prerr_string "Syntax error around char ";
prerr_int (lexing.lexeme_start lexbuf);
prerr_endline ".";
sys.exit 2
| scan_aux.Lexical_error s ->
prerr_string "Lexical error around char ";
prerr_int (lexing.lexeme_start lexbuf);
prerr_string ": ";
prerr_string s;
prerr_endline ".";
sys.exit 2 in
let ((init, states, acts) as dfa) = make_dfa def in
output_lexdef header dfa
;;
main(); sys.exit 0
;;
|
