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/*
* 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 1.12 2004/11/03 00:57:45 davygrvy Exp $
*/
#ifndef _TCLREGEXP
#define _TCLREGEXP
#include "regex.h"
/*
* 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 */
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