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/*
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* This code contains changes by
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* Gunnar Ritter, Freiburg i. Br., Germany, 2002. All rights reserved.
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*
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* Conditions 1, 2, and 4 and the no-warranty notice below apply
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* to these changes.
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*
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*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* Redistributions of source code and documentation must retain the
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* above copyright notice, this list of conditions and the following
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* disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed or owned by Caldera
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* International, Inc.
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* Neither the name of Caldera International, Inc. nor the names of
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* other contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
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* INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from ex_re.h 7.3 (Berkeley) 5/31/85
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*
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* @(#)ex_re.h 1.22 (gritter) 2/19/05
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*/
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/*
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* Regular expression definitions.
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* The regular expressions in ex are similar to those in ed,
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* with the addition of the word boundaries from Toronto ed
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* and allowing character classes to have [a-b] as in the shell.
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* The numbers for the nodes below are spaced further apart then
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* necessary because I at one time partially put in + and | (one or
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* more and alternation.)
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*/
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struct regexp {
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char Patbuf[2*LBSIZE + 1];
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long Re_ident;
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void *Expbuf;
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bool Circfl;
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short Nbra;
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int Flags;
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int Length;
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};
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/*
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* There are three regular expressions here, the previous (in re),
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* the previous substitute (in subre) and the previous scanning (in scanre).
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* It would be possible to get rid of "re" by making it a stack parameter
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* to the appropriate routines.
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*/
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var struct regexp re; /* Last re */
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var struct regexp scanre; /* Last scanning re */
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var struct regexp subre; /* Last substitute re */
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extern char *loc1; /* Where re began to match (in linebuf) */
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extern char *loc2; /* First char after re match (") */
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/*
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* Since the phototypesetter v7-epsilon
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* C compiler doesn't have structure assignment...
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*/
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extern struct regexp *savere(struct regexp *);
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extern struct regexp *resre(struct regexp *);
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/*
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* Definitions for substitute
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*/
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extern char *braslist[NBRA]; /* Starts of \(\)'ed text in lhs */
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extern char *braelist[NBRA]; /* Ends... */
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var char rhsbuf[RHSSIZE]; /* Rhs of last substitute */
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#ifdef BIT8
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var char rhsquo[RHSSIZE]; /* Quote indicator for rhsbuf */
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#endif
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