/home/ntakagi/work/tcl8.5.1/generic/tclRegexp.h Source File

00001 /*
00002  * tclRegexp.h --
00003  *
00004  *      This file contains definitions used internally by Henry Spencer's
00005  *      regular expression code.
00006  *
00007  * Copyright (c) 1998 by Sun Microsystems, Inc.
00008  * Copyright (c) 1998-1999 by Scriptics Corporation.
00009  *
00010  * See the file "license.terms" for information on usage and redistribution of
00011  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
00012  *
00013  * RCS: @(#) $Id: tclRegexp.h,v 1.15 2007/12/13 15:23:20 dgp Exp $
00014  */
00015 
00016 #ifndef _TCLREGEXP
00017 #define _TCLREGEXP
00018 
00019 #include "regex.h"
00020 
00021 /*
00022  * The TclRegexp structure encapsulates a compiled regex_t, the flags that
00023  * were used to compile it, and an array of pointers that are used to indicate
00024  * subexpressions after a call to Tcl_RegExpExec. Note that the string and
00025  * objPtr are mutually exclusive. These values are needed by Tcl_RegExpRange
00026  * in order to return pointers into the original string.
00027  */
00028 
00029 typedef struct TclRegexp {
00030     int flags;                  /* Regexp compile flags. */
00031     regex_t re;                 /* Compiled re, includes number of
00032                                  * subexpressions. */
00033     CONST char *string;         /* Last string passed to Tcl_RegExpExec. */
00034     Tcl_Obj *objPtr;            /* Last object passed to Tcl_RegExpExecObj. */
00035     Tcl_Obj *globObjPtr;        /* Glob pattern rep of RE or NULL if none. */
00036     regmatch_t *matches;        /* Array of indices into the Tcl_UniChar
00037                                  * representation of the last string matched
00038                                  * with this regexp to indicate the location
00039                                  * of subexpressions. */
00040     rm_detail_t details;        /* Detailed information on match (currently
00041                                  * used only for REG_EXPECT). */
00042     int refCount;               /* Count of number of references to this
00043                                  * compiled regexp. */
00044 } TclRegexp;
00045 
00046 #endif /* _TCLREGEXP */
00047 
00048 /*
00049  * Local Variables:
00050  * mode: c
00051  * c-basic-offset: 4
00052  * fill-column: 78
00053  * End:
00054  */