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//usr/include/tcl-private/generic/regcustom.h
/* * 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)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, or NOCELT */ #define NOCELT (-1) /* Celt value which is not valid chr */ #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 > 4 #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 /* * Method of allocating a local workspace. We used a thread-specific data * space to store this because the regular expression engine is never * reentered from the same thread; it doesn't make any callbacks. */ #if 1 #define AllocVars(vPtr) \ static Tcl_ThreadDataKey varsKey; \ register struct vars *vPtr = (struct vars *) \ Tcl_GetThreadData(&varsKey, sizeof(struct vars)) #else /* * This strategy for allocating workspace is "more proper" in some sense, but * quite a bit slower. Using TSD (as above) leads to code that is quite a bit * faster in practice (measured!) */ #define AllocVars(vPtr) \ register struct vars *vPtr = (struct vars *) MALLOC(sizeof(struct vars)) #define FreeVars(vPtr) \ FREE(vPtr) #endif /* * And pick up the standard header. */ #include "regex.h"
