1/*
2 * tclRegexp.h --
3 *
4 *	This file contains definitions used internally by Henry Spencer's
5 *	regular expression code.
6 *
7 * Copyright (c) 1998 by Sun Microsystems, Inc.
8 * Copyright (c) 1998-1999 by Scriptics Corporation.
9 *
10 * See the file "license.terms" for information on usage and redistribution of
11 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
12 *
13 * RCS: @(#) $Id: tclRegexp.h,v 1.15 2007/12/13 15:23:20 dgp Exp $
14 */
15
16#ifndef _TCLREGEXP
17#define _TCLREGEXP
18
19#include "regex.h"
20
21/*
22 * The TclRegexp structure encapsulates a compiled regex_t, the flags that
23 * were used to compile it, and an array of pointers that are used to indicate
24 * subexpressions after a call to Tcl_RegExpExec. Note that the string and
25 * objPtr are mutually exclusive. These values are needed by Tcl_RegExpRange
26 * in order to return pointers into the original string.
27 */
28
29typedef struct TclRegexp {
30    int flags;			/* Regexp compile flags. */
31    regex_t re;			/* Compiled re, includes number of
32				 * subexpressions. */
33    CONST char *string;		/* Last string passed to Tcl_RegExpExec. */
34    Tcl_Obj *objPtr;		/* Last object passed to Tcl_RegExpExecObj. */
35    Tcl_Obj *globObjPtr;	/* Glob pattern rep of RE or NULL if none. */
36    regmatch_t *matches;	/* Array of indices into the Tcl_UniChar
37				 * representation of the last string matched
38				 * with this regexp to indicate the location
39				 * of subexpressions. */
40    rm_detail_t details;	/* Detailed information on match (currently
41				 * used only for REG_EXPECT). */
42    int refCount;		/* Count of number of references to this
43				 * compiled regexp. */
44} TclRegexp;
45
46#endif /* _TCLREGEXP */
47
48/*
49 * Local Variables:
50 * mode: c
51 * c-basic-offset: 4
52 * fill-column: 78
53 * End:
54 */
55