2 * Copyright (C) 1994-1999, Index Data
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 1999-02-02 14:50:10 adam
8 * Updated WIN32 code specific sections. Changed header.
10 * Revision 1.10 1996/10/29 13:57:27 adam
11 * Include of zebrautl.h instead of alexutil.h.
13 * Revision 1.9 1996/05/14 11:33:41 adam
14 * MEMDEBUG turned off by default.
16 * Revision 1.8 1995/09/28 09:18:54 adam
17 * Removed various preprocessor defines.
19 * Revision 1.7 1995/09/04 12:33:27 adam
20 * Various cleanup. YAZ util used instead.
22 * Revision 1.6 1995/01/25 11:30:51 adam
23 * Simple error reporting when parsing regular expressions.
24 * Memory usage reduced.
26 * Revision 1.5 1995/01/24 16:00:22 adam
27 * Added -ansi to CFLAGS.
28 * Some changes to the dfa module.
30 * Revision 1.4 1994/10/04 17:46:44 adam
31 * Function options now returns arg with error option.
33 * Revision 1.3 1994/10/03 17:22:19 adam
34 * Optimization of grepper.
36 * Revision 1.2 1994/09/27 16:31:20 adam
37 * First version of grepper: grep with error correction.
39 * Revision 1.1 1994/09/26 10:16:55 adam
40 * First version of dfa module in alex. This version uses yacc to parse
41 * regular expressions. This should be hand-made instead.
44 * Adam Dickmeiss. 1992-1993
45 * This module is actually very old...
62 void error (const char *format, ...)
65 va_start (argptr, format);
66 fprintf (stderr, "%s error: ", prog);
67 (void) vfprintf (stderr, format, argptr);
74 static int lexer_options (int argc, char **argv)
83 fprintf (stderr, "%s: %s %s\n", prog, __DATE__, __TIME__);
101 debug_dfa_followpos = 1;
106 debug_dfa_followpos = 1;
111 fprintf (stderr, "%s: unknown option `-%s'\n",
120 int main (int argc, char **argv)
127 i = lexer_options (argc, argv);
133 fprintf (stderr, "usage\n %s [-c] [-V] [-s] [-t] [-d[stf]] file\n",
137 else while (--argc > 0)
138 if (**++argv != '-' && **argv)
142 i = read_file (*argv, dfa);
157 fprintf (stderr, "%s: no files specified\n", prog);