diff options
Diffstat (limited to 'generic/regex.h')
| -rw-r--r-- | generic/regex.h | 159 |
1 files changed, 90 insertions, 69 deletions
diff --git a/generic/regex.h b/generic/regex.h index fa86092..a35925a 100644 --- a/generic/regex.h +++ b/generic/regex.h @@ -4,20 +4,20 @@ * regular expressions * * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. - * + * * Development of this software was funded, in part, by Cray Research Inc., * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics - * Corporation, none of whom are responsible for the results. The author - * thanks all of them. - * + * Corporation, none of whom are responsible for the results. The author + * thanks all of them. + * * Redistribution and use in source and binary forms -- with or without * modification -- are permitted for any purpose, provided that * redistributions in source form retain this entire copyright notice and * indicate the origin and nature of any modifications. * - * I'd appreciate being given credit for this package in the documentation of - * software which uses it, but that is not a requirement. - * + * I'd appreciate being given credit for this package in the documentation + * of software which uses it, but that is not a requirement. + * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL @@ -30,35 +30,38 @@ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * + * * Prototypes etc. marked with "^" within comments get gathered up (and - * possibly edited) by the regfwd program and inserted near the bottom of this - * file. + * possibly edited) by the regfwd program and inserted near the bottom of + * this file. * - * We offer the option of declaring one wide-character version of the RE - * functions as well as the char versions. To do that, define __REG_WIDE_T to - * the type of wide characters (unfortunately, there is no consensus that - * wchar_t is suitable) and __REG_WIDE_COMPILE and __REG_WIDE_EXEC to the - * names to be used for the compile and execute functions (suggestion: - * re_Xcomp and re_Xexec, where X is a letter suggestive of the wide type, - * e.g. re_ucomp and re_uexec for Unicode). For cranky old compilers, it may - * be necessary to do something like: + * We offer the option of declaring one wide-character version of the + * RE functions as well as the char versions. To do that, define + * __REG_WIDE_T to the type of wide characters (unfortunately, there + * is no consensus that wchar_t is suitable) and __REG_WIDE_COMPILE and + * __REG_WIDE_EXEC to the names to be used for the compile and execute + * functions (suggestion: re_Xcomp and re_Xexec, where X is a letter + * suggestive of the wide type, e.g. re_ucomp and re_uexec for Unicode). + * For cranky old compilers, it may be necessary to do something like: * #define __REG_WIDE_COMPILE(a,b,c,d) re_Xcomp(a,b,c,d) * #define __REG_WIDE_EXEC(a,b,c,d,e,f,g) re_Xexec(a,b,c,d,e,f,g) * rather than just #defining the names as parameterless macros. * * For some specialized purposes, it may be desirable to suppress the - * declarations of the "front end" functions, regcomp() and regexec(), or of - * the char versions of the compile and execute functions. To suppress the - * front-end functions, define __REG_NOFRONT. To suppress the char versions, - * define __REG_NOCHAR. + * declarations of the "front end" functions, regcomp() and regexec(), + * or of the char versions of the compile and execute functions. To + * suppress the front-end functions, define __REG_NOFRONT. To suppress + * the char versions, define __REG_NOCHAR. * * The right place to do those defines (and some others you may want, see - * below) would be <sys/types.h>. If you don't have control of that file, the - * right place to add your own defines to this file is marked below. This is - * normally done automatically, by the makefile and regmkhdr, based on the - * contents of regcustom.h. + * below) would be <sys/types.h>. If you don't have control of that file, + * the right place to add your own defines to this file is marked below. + * This is normally done automatically, by the makefile and regmkhdr, based + * on the contents of regcustom.h. */ + + /* * voodoo for C++ */ @@ -66,15 +69,18 @@ extern "C" { #endif + + /* * Add your own defines, if needed, here. */ + + /* - * Location where a chunk of regcustom.h is automatically spliced into this - * file (working from its prototype, regproto.h). + * Location where a chunk of regcustom.h is automatically spliced into + * this file (working from its prototype, regproto.h). */ - /* --- begin --- */ /* ensure certain things don't sneak in from system headers */ #ifdef __REG_WIDE_T @@ -115,14 +121,15 @@ extern "C" { #define regerror TclReError /* --- end --- */ + /* * interface types etc. */ /* - * regoff_t has to be large enough to hold either off_t or ssize_t, and must - * be signed; it's only a guess that long is suitable, so we offer - * <sys/types.h> an override. + * regoff_t has to be large enough to hold either off_t or ssize_t, + * and must be signed; it's only a guess that long is suitable, so we + * offer <sys/types.h> an override. */ #ifdef __REG_REGOFF_T typedef __REG_REGOFF_T regoff_t; @@ -141,8 +148,8 @@ typedef void re_void; #endif /* - * Also for benefit of old compilers, <sys/types.h> can supply a macro which - * expands to a substitute for `const'. + * Also for benefit of old compilers, <sys/types.h> can supply a macro + * which expands to a substitute for `const'. */ #ifndef __REG_CONST #define __REG_CONST const @@ -156,41 +163,43 @@ typedef void re_void; /* the biggie, a compiled RE (or rather, a front end to same) */ typedef struct { - int re_magic; /* magic number */ - size_t re_nsub; /* number of subexpressions */ - long re_info; /* information about RE */ -#define REG_UBACKREF 000001 -#define REG_ULOOKAHEAD 000002 -#define REG_UBOUNDS 000004 -#define REG_UBRACES 000010 -#define REG_UBSALNUM 000020 -#define REG_UPBOTCH 000040 -#define REG_UBBS 000100 -#define REG_UNONPOSIX 000200 -#define REG_UUNSPEC 000400 -#define REG_UUNPORT 001000 -#define REG_ULOCALE 002000 -#define REG_UEMPTYMATCH 004000 -#define REG_UIMPOSSIBLE 010000 -#define REG_USHORTEST 020000 - int re_csize; /* sizeof(character) */ - char *re_endp; /* backward compatibility kludge */ - /* the rest is opaque pointers to hidden innards */ - char *re_guts; /* `char *' is more portable than `void *' */ - char *re_fns; + int re_magic; /* magic number */ + size_t re_nsub; /* number of subexpressions */ + long re_info; /* information about RE */ +# define REG_UBACKREF 000001 +# define REG_ULOOKAHEAD 000002 +# define REG_UBOUNDS 000004 +# define REG_UBRACES 000010 +# define REG_UBSALNUM 000020 +# define REG_UPBOTCH 000040 +# define REG_UBBS 000100 +# define REG_UNONPOSIX 000200 +# define REG_UUNSPEC 000400 +# define REG_UUNPORT 001000 +# define REG_ULOCALE 002000 +# define REG_UEMPTYMATCH 004000 +# define REG_UIMPOSSIBLE 010000 +# define REG_USHORTEST 020000 + int re_csize; /* sizeof(character) */ + char *re_endp; /* backward compatibility kludge */ + /* the rest is opaque pointers to hidden innards */ + char *re_guts; /* `char *' is more portable than `void *' */ + char *re_fns; } regex_t; /* result reporting (may acquire more fields later) */ typedef struct { - regoff_t rm_so; /* start of substring */ - regoff_t rm_eo; /* end of substring */ + regoff_t rm_so; /* start of substring */ + regoff_t rm_eo; /* end of substring */ } regmatch_t; /* supplementary control and reporting */ typedef struct { - regmatch_t rm_extend; /* see REG_EXPECT */ + regmatch_t rm_extend; /* see REG_EXPECT */ } rm_detail_t; + + /* * compilation ^ #ifndef __REG_NOCHAR @@ -222,6 +231,8 @@ typedef struct { #define REG_FAKE 010000 /* none of your business :-) */ #define REG_PROGRESS 020000 /* none of your business :-) */ + + /* * execution ^ #ifndef __REG_NOCHAR @@ -243,19 +254,23 @@ typedef struct { #define REG_MTRACE 0020 /* none of your business */ #define REG_SMALL 0040 /* none of your business */ + + /* * misc generics (may be more functions here eventually) ^ re_void regfree(regex_t *); */ + + /* * error reporting * Be careful if modifying the list of error codes -- the table used by * regerror() is generated automatically from this file! * - * Note that there is no wide-char variant of regerror at this time; what kind - * of character is used for error reports is independent of what kind is used - * in matching. + * Note that there is no wide-char variant of regerror at this time; what + * kind of character is used for error reports is independent of what kind + * is used in matching. * ^ extern size_t regerror(int, __REG_CONST regex_t *, char *, size_t); */ @@ -282,6 +297,8 @@ typedef struct { #define REG_ATOI 101 /* convert error-code name to number */ #define REG_ITOA 102 /* convert error-code number to name */ + + /* * the prototypes, as possibly munched by regfwd */ @@ -289,28 +306,30 @@ typedef struct { /* automatically gathered by fwd; do not hand-edit */ /* === regproto.h === */ #ifndef __REG_NOCHAR -int re_comp(regex_t *, __REG_CONST char *, size_t, int); +int re_comp _ANSI_ARGS_((regex_t *, __REG_CONST char *, size_t, int)); #endif #ifndef __REG_NOFRONT -int regcomp(regex_t *, __REG_CONST char *, int); +int regcomp _ANSI_ARGS_((regex_t *, __REG_CONST char *, int)); #endif #ifdef __REG_WIDE_T -MODULE_SCOPE int __REG_WIDE_COMPILE(regex_t *, __REG_CONST __REG_WIDE_T *, size_t, int); +int __REG_WIDE_COMPILE _ANSI_ARGS_((regex_t *, __REG_CONST __REG_WIDE_T *, size_t, int)); #endif #ifndef __REG_NOCHAR -int re_exec(regex_t *, __REG_CONST char *, size_t, rm_detail_t *, size_t, regmatch_t [], int); +int re_exec _ANSI_ARGS_((regex_t *, __REG_CONST char *, size_t, rm_detail_t *, size_t, regmatch_t [], int)); #endif #ifndef __REG_NOFRONT -int regexec(regex_t *, __REG_CONST char *, size_t, regmatch_t [], int); +int regexec _ANSI_ARGS_((regex_t *, __REG_CONST char *, size_t, regmatch_t [], int)); #endif #ifdef __REG_WIDE_T -MODULE_SCOPE int __REG_WIDE_EXEC(regex_t *, __REG_CONST __REG_WIDE_T *, size_t, rm_detail_t *, size_t, regmatch_t [], int); +int __REG_WIDE_EXEC _ANSI_ARGS_((regex_t *, __REG_CONST __REG_WIDE_T *, size_t, rm_detail_t *, size_t, regmatch_t [], int)); #endif -MODULE_SCOPE re_void regfree(regex_t *); -MODULE_SCOPE size_t regerror(int, __REG_CONST regex_t *, char *, size_t); +re_void regfree _ANSI_ARGS_((regex_t *)); +extern size_t regerror _ANSI_ARGS_((int, __REG_CONST regex_t *, char *, size_t)); /* automatically gathered by fwd; do not hand-edit */ /* =====^!^===== end forwards =====^!^===== */ + + /* * more C++ voodoo */ @@ -318,4 +337,6 @@ MODULE_SCOPE size_t regerror(int, __REG_CONST regex_t *, char *, size_t); } #endif + + #endif |