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Revision 1.7, Thu Nov 19 07:53:31 2015 UTC (8 years, 6 months ago) by bentley
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9, HEAD
Changes since 1.6: +3 -28 lines 

Remove cscope support in vi.

It makes no sense to keep support for a non-base tool in base, especially
for a feature that few if any people use.

/*	$OpenBSD: tag.h,v 1.7 2015/11/19 07:53:31 bentley Exp $	*/

/*-
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1992, 1993, 1994, 1995, 1996
 *	Keith Bostic.  All rights reserved.
 * Copyright (c) 1994, 1996
 *	Rob Mayoff.  All rights reserved.
 *
 * See the LICENSE file for redistribution information.
 *
 *	@(#)tag.h	10.5 (Berkeley) 5/15/96
 */

/*
 * Tag file information.  One of these is maintained per tag file, linked
 * from the EXPRIVATE structure.
 */
struct _tagf {			/* Tag files. */
	TAILQ_ENTRY(_tagf) q;	/* Linked list of tag files. */
	char	*name;		/* Tag file name. */
	int	 errnum;	/* Errno. */

#define	TAGF_ERR	0x01	/* Error occurred. */
#define	TAGF_ERR_WARN	0x02	/* Error reported. */
	u_int8_t flags;
};

/*
 * Tags are structured internally as follows:
 *
 * +----+    +----+	+----+     +----+
 * | EP | -> | Q1 | <-- | T1 | <-- | T2 |
 * +----+    +----+ --> +----+ --> +----+
 *	     |
 *	     +----+     +----+
 *	     | Q2 | <-- | T1 |
 *	     +----+ --> +----+
 *	     |
 *	     +----+	+----+
 *	     | Q3 | <-- | T1 |
 *	     +----+ --> +----+
 *
 * Each Q is a TAGQ, or tag "query", which is the result of one tag.
 * Each Q references one or more TAG's, or tagged file locations.
 *
 * tag:		put a new Q at the head	(^])
 * tagnext:	T1 -> T2 inside Q	(^N)
 * tagprev:	T2 -> T1 inside Q	(^P)
 * tagpop:	discard Q		(^T)
 * tagtop:	discard all Q
 */
struct _tag {			/* Tag list. */
	TAILQ_ENTRY(_tag) q;	/* Linked list of tags. */

				/* Tag pop/return information. */
	FREF	*frp;		/* Saved file. */
	recno_t	 lno;		/* Saved line number. */
	size_t	 cno;		/* Saved column number. */

	char	*fname;		/* Filename. */
	size_t	 fnlen;		/* Filename length. */
	recno_t	 slno;		/* Search line number. */
	char	*search;	/* Search string. */
	size_t	 slen;		/* Search string length. */

	char	 buf[1];	/* Variable length buffer. */
};

struct _tagq {			/* Tag queue. */
	TAILQ_ENTRY(_tagq) q;	/* Linked list of tag queues. */
				/* This queue's tag list. */
	TAILQ_HEAD(_tagqh, _tag) tagq;

	TAG	*current;	/* Current TAG within the queue. */

	char	*tag;		/* Tag string. */
	size_t	 tlen;		/* Tag string length. */

	u_int8_t flags;

	char	 buf[1];	/* Variable length buffer. */
};