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/*
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* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
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*
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* Development of this software was funded, in part, by Cray Research Inc.,
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* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
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* Corporation, none of whom are responsible for the results. The author
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* thanks all of them.
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*
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* Redistribution and use in source and binary forms -- with or without
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* modification -- are permitted for any purpose, provided that
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* redistributions in source form retain this entire copyright notice and
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* indicate the origin and nature of any modifications.
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*
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* I'd appreciate being given credit for this package in the documentation
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* of software which uses it, but that is not a requirement.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* headers if any */
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#include "tclInt.h"
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/* overrides for regguts.h definitions, if any */
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#define FUNCPTR(name, args) (*name) _ANSI_ARGS_(args)
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#define MALLOC(n) ckalloc(n)
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#define FREE(p) ckfree(VS(p))
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#define REALLOC(p,n) ckrealloc(VS(p),n)
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/*
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* Do not insert extras between the "begin" and "end" lines -- this
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* chunk is automatically extracted to be fitted into regex.h.
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*/
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/* --- begin --- */
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/* ensure certain things don't sneak in from system headers */
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#ifdef __REG_WIDE_T
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#undef __REG_WIDE_T
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#endif
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#ifdef __REG_WIDE_COMPILE
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#undef __REG_WIDE_COMPILE
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#endif
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#ifdef __REG_WIDE_EXEC
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#undef __REG_WIDE_EXEC
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#endif
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#ifdef __REG_REGOFF_T
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#undef __REG_REGOFF_T
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#endif
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#ifdef __REG_VOID_T
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#undef __REG_VOID_T
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#endif
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#ifdef __REG_CONST
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#undef __REG_CONST
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#endif
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#ifdef __REG_NOFRONT
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#undef __REG_NOFRONT
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#endif
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#ifdef __REG_NOCHAR
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#undef __REG_NOCHAR
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#endif
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/* interface types */
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#define __REG_WIDE_T Tcl_UniChar
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#define __REG_REGOFF_T long /* not really right, but good enough... */
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#define __REG_VOID_T VOID
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#define __REG_CONST CONST
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/* names and declarations */
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#define __REG_WIDE_COMPILE TclReComp
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#define __REG_WIDE_EXEC TclReExec
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#define __REG_NOFRONT /* don't want regcomp() and regexec() */
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#define __REG_NOCHAR /* or the char versions */
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#define regfree TclReFree
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#define regerror TclReError
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/* --- end --- */
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/* internal character type and related */
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typedef Tcl_UniChar chr; /* the type itself */
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typedef int pchr; /* what it promotes to */
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typedef unsigned uchr; /* unsigned type that will hold a chr */
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typedef int celt; /* type to hold chr, MCCE number, or NOCELT */
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#define NOCELT (-1) /* celt value which is not valid chr or MCCE */
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#define CHR(c) (UCHAR(c)) /* turn char literal into chr literal */
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#define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */
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#if TCL_UTF_MAX > 3
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#define CHRBITS 32 /* bits in a chr; must not use sizeof */
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#define CHR_MIN 0x00000000 /* smallest and largest chr; the value */
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#define CHR_MAX 0xffffffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
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#else
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#define CHRBITS 16 /* bits in a chr; must not use sizeof */
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#define CHR_MIN 0x0000 /* smallest and largest chr; the value */
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#define CHR_MAX 0xffff /* CHR_MAX-CHR_MIN+1 should fit in uchr */
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#endif
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/* functions operating on chr */
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#define iscalnum(x) Tcl_UniCharIsAlnum(x)
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#define iscalpha(x) Tcl_UniCharIsAlpha(x)
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#define iscdigit(x) Tcl_UniCharIsDigit(x)
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#define iscspace(x) Tcl_UniCharIsSpace(x)
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/* name the external functions */
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#define compile TclReComp
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#define exec TclReExec
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/* enable/disable debugging code (by whether REG_DEBUG is defined or not) */
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#if 0 /* no debug unless requested by makefile */
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#define REG_DEBUG /* */
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#endif
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/* and pick up the standard header */
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#include "regex.h"
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