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/*
* 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.
*
* 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.
*
* 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
* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* headers if any */
#include "tclInt.h"
/* overrides for regguts.h definitions, if any */
#define FUNCPTR(name, args) (*name) _ANSI_ARGS_(args)
#define MALLOC(n) ckalloc(n)
#define FREE(p) ckfree(VS(p))
#define REALLOC(p,n) ckrealloc(VS(p),n)
/*
* Do not insert extras between the "begin" and "end" lines -- this
* chunk is automatically extracted to be fitted into regex.h.
*/
/* --- begin --- */
/* ensure certain things don't sneak in from system headers */
#ifdef __REG_WIDE_T
#undef __REG_WIDE_T
#endif
#ifdef __REG_WIDE_COMPILE
#undef __REG_WIDE_COMPILE
#endif
#ifdef __REG_WIDE_EXEC
#undef __REG_WIDE_EXEC
#endif
#ifdef __REG_REGOFF_T
#undef __REG_REGOFF_T
#endif
#ifdef __REG_VOID_T
#undef __REG_VOID_T
#endif
#ifdef __REG_CONST
#undef __REG_CONST
#endif
#ifdef __REG_NOFRONT
#undef __REG_NOFRONT
#endif
#ifdef __REG_NOCHAR
#undef __REG_NOCHAR
#endif
/* interface types */
#define __REG_WIDE_T Tcl_UniChar
#define __REG_REGOFF_T long /* not really right, but good enough... */
#define __REG_VOID_T VOID
#define __REG_CONST CONST
/* names and declarations */
#define __REG_WIDE_COMPILE TclReComp
#define __REG_WIDE_EXEC TclReExec
#define __REG_NOFRONT /* don't want regcomp() and regexec() */
#define __REG_NOCHAR /* or the char versions */
#define regfree TclReFree
#define regerror TclReError
/* --- end --- */
/* internal character type and related */
typedef Tcl_UniChar chr; /* the type itself */
typedef int pchr; /* what it promotes to */
typedef unsigned uchr; /* unsigned type that will hold a chr */
typedef int celt; /* type to hold chr, MCCE number, or NOCELT */
#define NOCELT (-1) /* celt value which is not valid chr or MCCE */
#define CHR(c) (UCHAR(c)) /* turn char literal into chr literal */
#define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */
#if TCL_UTF_MAX > 3
#define CHRBITS 32 /* bits in a chr; must not use sizeof */
#define CHR_MIN 0x00000000 /* smallest and largest chr; the value */
#define CHR_MAX 0xffffffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
#else
#define CHRBITS 16 /* bits in a chr; must not use sizeof */
#define CHR_MIN 0x0000 /* smallest and largest chr; the value */
#define CHR_MAX 0xffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
#endif
/* functions operating on chr */
#define iscalnum(x) Tcl_UniCharIsAlnum(x)
#define iscalpha(x) Tcl_UniCharIsAlpha(x)
#define iscdigit(x) Tcl_UniCharIsDigit(x)
#define iscspace(x) Tcl_UniCharIsSpace(x)
/* name the external functions */
#define compile TclReComp
#define exec TclReExec
/* enable/disable debugging code (by whether REG_DEBUG is defined or not) */
#if 0 /* no debug unless requested by makefile */
#define REG_DEBUG /* */
#endif
/* and pick up the standard header */
#include "regex.h"
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