48 lines
1.6 KiB
OCaml
48 lines
1.6 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* The lexer generator. Command-line parsing. *)
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#open "syntax";;
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#open "testscanner";;
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#open "grammar";;
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#open "lexgen";;
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#open "output";;
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let main () =
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ic := stdin;
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oc := stdout;
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let lexbuf = lexing.from_channel ic in
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let (Lexdef(header,_) as def) =
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try
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grammar.lexer_definition testscanner.main lexbuf
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with
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parsing.Parse_error x ->
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prerr_string "Syntax error around char ";
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prerr_int (lexing.lexeme_start lexbuf);
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prerr_endline ".";
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sys.exit 2
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prerr_string "Lexical error around char ";
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prerr_int (lexing.lexeme_start lexbuf);
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prerr_string ": ";
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prerr_string s;
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prerr_endline ".";
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sys.exit 2 in
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let ((init, states, acts) as dfa) = make_dfa def in
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output_lexdef header dfa
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;;
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main(); sys.exit 0
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;;
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