/* 

  * tclRegexp.h --

  *

  * 	This file contains definitions used internally by Henry

  *	Spencer's regular expression code.

  *

  * Copyright (c) 1998 by Sun Microsystems, Inc.

  * Copyright (c) 1998-1999 by Scriptics Corporation.

  *

  * See the file "license.terms" for information on usage and redistribution

  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

  *

  * RCS: @(#) $Id: tclRegexp.h,v 1.11 1999/08/02 17:45:38 redman Exp $

  */

 #ifndef _TCLREGEXP

 #define _TCLREGEXP

 #include "regex.h"

 #ifdef BUILD_tcl

 # undef TCL_STORAGE_CLASS

 # define TCL_STORAGE_CLASS DLLEXPORT

 #endif

 /*

  * The TclRegexp structure encapsulates a compiled regex_t,

  * the flags that were used to compile it, and an array of pointers

  * that are used to indicate subexpressions after a call to Tcl_RegExpExec.

  * Note that the string and objPtr are mutually exclusive.  These values

  * are needed by Tcl_RegExpRange in order to return pointers into the

  * original string.

  */

 typedef struct TclRegexp {

     int flags;			/* Regexp compile flags. */

     regex_t re;			/* Compiled re, includes number of

 				 * subexpressions. */

     CONST char *string;		/* Last string passed to Tcl_RegExpExec. */

     Tcl_Obj *objPtr;		/* Last object passed to Tcl_RegExpExecObj. */

     regmatch_t *matches;	/* Array of indices into the Tcl_UniChar

 				 * representation of the last string matched

 				 * with this regexp to indicate the location

 				 * of subexpressions. */

     rm_detail_t details;	/* Detailed information on match (currently

 				 * used only for REG_EXPECT). */

     int refCount;		/* Count of number of references to this

 				 * compiled regexp. */

 } TclRegexp;

 #endif /* _TCLREGEXP */