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Support non-ASCII correctly in character classes, test this. src/ChangeLog addition: 2012-04-21 Aidan Kehoe <kehoea@parhasard.net> Support non-ASCII correctly in character classes ([:alnum:] and friends). * regex.c: * regex.c (ISBLANK, ISUNIBYTE): New. Make these and friends independent of the locale, since we want them to be consistent in XEmacs. * regex.c (print_partial_compiled_pattern): Print the flags for charset_mule; don't print non-ASCII as the character values in ranges, this breaks with locales. * regex.c (enum): Define various flags the charset_mule and charset_mule_not opcodes can now take. * regex.c (CHAR_CLASS_MAX_LENGTH): Update this. * regex.c (re_iswctype, re_wctype): New, from GNU. * regex.c (re_wctype_can_match_non_ascii): New; used when deciding on whether to use charset_mule or the ASCII-only regex character set opcode. * regex.c (regex_compile): Error correctly on long, non-existent character class names. Break out the handling of charsets that can match non-ASCII into a separate clause. Use compile_char_class when compiling character classes. * regex.c (compile_char_class): New. Used in regex_compile when compiling character sets that may match non-ASCII. * regex.c (re_compile_fastmap): If there are flags set for charset_mule or charset_mule_not, we can't use the fastmap (since we need to check syntax table values that aren't available there). * regex.c (re_match_2_internal): Check the new flags passed to the charset_mule{,_not} opcode, observe them if appropriate. * regex.h: * regex.h (enum): Expose re_wctype_t here, imported from GNU. tests/ChangeLog addition: 2012-04-21 Aidan Kehoe <kehoea@parhasard.net> * automated/regexp-tests.el: * automated/regexp-tests.el (Assert-char-class): Check that #'string-match errors correctly with an over-long character class name. Add tests for character class functionality that supports non-ASCII characters. These tests expose bugs in GNU Emacs 24.0.94.2, but pass under current XEmacs.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 21 Apr 2012 18:58:28 +0100
parents 1f0b15040456
children
line wrap: on
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/* Copyright (C) 2000, 2003 Martin Buchholz

This file is part of XEmacs.

XEmacs 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 3 of the License, or (at your
option) any later version.

XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>. */


/* Synched up with: Completely divergent from FSF. */
#define SOLARIS2 1
/* #define POSIX -- not used in XEmacs */

/* Fix understandable GCC lossage on Solaris 2.6 */
#if defined(__GNUC__) && OS_RELEASE >= 506 && OS_RELEASE < 510 && !defined(NOT_C_CODE)

/* GCC va_list munging is a little messed up */
#define __GNUC_VA_LIST
#define _VA_LIST_
#define _VA_LIST va_list
typedef void *__gnuc_va_list;
typedef __gnuc_va_list va_list;

/* Missing prototypes for functions added in Solaris 2.6 */
#include <sys/types.h>
struct msghdr;
struct sockaddr;
extern int     __xnet_bind    (int, const struct sockaddr *, size_t);
extern int     __xnet_listen  (int, int);
extern int     __xnet_connect (int, const struct sockaddr *, size_t);
extern ssize_t __xnet_recvmsg (int, struct msghdr *, int);
extern ssize_t __xnet_sendmsg (int, const struct msghdr *, int);
extern ssize_t __xnet_sendto  (int, const void *, size_t, int, const struct sockaddr *, size_t);
extern int     __xnet_socket  (int, int, int);
extern int     __xnet_socketpair (int, int, int, int *);
extern int     __xnet_getsockopt (int, int, int, void *, size_t *);
#endif /* GCC && >= Solaris 2.6 && C code */

#include "usg5-4-2.h"	/* XEmacs change from 5-4 to 5-4-2 */
#undef PC /* Defined in x86 /usr/include/sys/reg.h */

/* SIGIO seems to be working under Solaris and it makes ^G work better... */
#undef BROKEN_SIGIO

#ifdef NOT_C_CODE
/* XEmacs change -- some Motif packages need -lgen to get regex and regcmp */

#undef LIBS_SYSTEM
#define LIBS_SYSTEM "-lsocket -lnsl -lelf -lgen -ldl"

/* SYSTEM_MALLOC must be defined if dbx/RTC is going to be used.  dbx/RTC does
   not work with a static definition of malloc(). */
/* We want to be able to test out ralloc.c. */
/* #define SYSTEM_MALLOC */

#undef UNEXEC
#define UNEXEC "unexsol2-6.o"

#else /* C_CODE */

/* 2.5 now has `random' back in libc but we don't want to use it. */
#undef HAVE_RANDOM

#include <sys/utsname.h> /* warning: macro redefined: SYS_NMLN */

#endif /* C_CODE */