source: downloads/tcl8.5.2/generic/tclRegexp.h @ 42

/*
 * 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 1.15 2007/12/13 15:23:20 dgp 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. */
    Tcl_Obj *globObjPtr;        /* Glob pattern rep of RE or NULL if none. */
    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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 * End:
 */