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Add support for POSIX regular expressions.

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* regex-posix.c, regex-posix.h: New files. (Some code
is taken liberally from rx/rgx.c in the old Guile dist.)

* init.c: Include regex-posix.h.
(scm_boot_guile_1): Call scm_init_regex_posix.

* Makefile.am (EXTRA_libguile_la_SOURCES, modinclude_HEADERS):
Add regex-posix.[ch] sources.
* Makefile.in: Regenerated.

* scmconfig.h.in: Add HAVE_REGCOMP macro.  (automake is supposed
to do this automatically?  It didn't for me, bleh.)
This commit is contained in:
Jim Blandy 1997-05-27 23:16:42 +00:00
parent 400d7382d2
commit f255378e9a
6 changed files with 307 additions and 10 deletions
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57
libguile/regex-posix.h Normal file
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/* classes: h_files */
#ifndef REGEXPOSIXH
#define REGEXPOSIXH
/* Copyright (C) 1997 Free Software Foundation, Inc.
*
* This program 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.
*
* This program 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
#include "libguile/__scm.h"
extern long scm_tc16_regex_t;
#define SCM_RGX(X) ((regex_t *)SCM_CDR(X))
#define SCM_RGXP(X) (SCM_CAR(X) == (SCM)scm_tc16_regex_t)
extern SCM scm_make_regexp SCM_P ((SCM pat));
extern SCM scm_regexp_exec SCM_P ((SCM rx, SCM str, SCM start));
extern void scm_init_regex_posix ();
#endif