X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=dfa%2Flexer.c;h=c71035f4c4f1e8ffcb5d8ba80ca9d154a8767005;hp=9729d9e7e5eb18b08a83b06114050ed58a93a0c9;hb=00d6544408e2de88277e091fb7f8f4dfe3949558;hpb=25711769a3fb5c6bf0ab3eb9634bf74ba07dc48d diff --git a/dfa/lexer.c b/dfa/lexer.c index 9729d9e..c71035f 100644 --- a/dfa/lexer.c +++ b/dfa/lexer.c @@ -1,20 +1,26 @@ -/* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: lexer.c,v $ - * Revision 1.2 1994-09-27 16:31:20 adam - * First version of grepper: grep with error correction. - * - * Revision 1.1 1994/09/26 10:16:55 adam - * First version of dfa module in alex. This version uses yacc to parse - * regular expressions. This should be hand-made instead. - * - * - * Adam Dickmeiss. 1992-1993 - * This module is actually very old... - */ +/* This file is part of the Zebra server. + Copyright (C) Index Data + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + + +#if HAVE_CONFIG_H +#include +#endif #include #include @@ -22,7 +28,7 @@ #include #include -#include +#include #include #include "imalloc.h" #include "lexer.h" @@ -40,11 +46,6 @@ void error (const char *format, ...) exit (1); } -#ifdef YACC -extern int yydebug; -#else -extern int alexdebug; -#endif int ccluse = 0; static int lexer_options (int argc, char **argv) @@ -58,16 +59,9 @@ static int lexer_options (int argc, char **argv) case 'V': fprintf (stderr, "%s: %s %s\n", prog, __DATE__, __TIME__); continue; - case 'v': + case 's': dfa_verbose = 1; continue; - case 't': -#ifdef YACC - yydebug = 1; -#else - alexdebug = 1; -#endif - continue; case 'c': ccluse = 1; continue; @@ -103,37 +97,36 @@ static int lexer_options (int argc, char **argv) int main (int argc, char **argv) { int i, no = 0; - DFA *dfa; - DFA_states *dfas; + struct DFA *dfa; prog = *argv; -#ifdef YACC - yydebug = 0; -#else - alexdebug = 0; -#endif + dfa = dfa_init (); i = lexer_options (argc, argv); if (i) return i; if (argc < 2) { - fprintf (stderr, "usage\n %s [-c] [-V] [-v] [-t] [-d[stf]] file\n", + fprintf (stderr, "usage\n %s [-c] [-V] [-s] [-t] [-d[stf]] file\n", prog); return 1; } else while (--argc > 0) - if (**++argv != '-' && **argv) - { - ++no; - i = read_file (*argv, &dfa); - if (i) - return i; - dfas = mk_dfas (dfa, 2000); - rm_dfa (&dfa); - rm_dfas (&dfas); - } -#ifdef MEMDEBUG + if (**++argv != '-' && **argv) + { + ++no; + + i = read_file (*argv, dfa); + if (i) + return i; + dfa_mkstate (dfa); + +#if MEMDEBUG + imemstat(); +#endif + } + dfa_delete (&dfa); +#if MEMDEBUG imemstat(); #endif if (!no) @@ -144,3 +137,12 @@ int main (int argc, char **argv) return 0; } +/* + * Local variables: + * c-basic-offset: 4 + * c-file-style: "Stroustrup" + * indent-tabs-mode: nil + * End: + * vim: shiftwidth=4 tabstop=8 expandtab + */ +