1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1987, 1993, 1994
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)ctags.h	8.3 (Berkeley) 4/2/94
32 *
33 * $FreeBSD$
34 *
35 */
36
37#define	bool	char
38
39#define	YES		1
40#define	NO		0
41#define	EOS		'\0'
42
43#define	ENDLINE		50		/* max length of pattern */
44#define	MAXTOKEN	250		/* max size of single token */
45
46#define	SETLINE		{++lineno;lineftell = ftell(inf);}
47#define	GETC(op,exp)	((c = getc(inf)) op (int)exp)
48
49/*
50 * These character classification macros assume that the (EOF & 0xff) element
51 * of the arrays is always 'NO', as the EOF return from getc() gets masked
52 * to that value.  Masking with 0xff has no effect for normal characters
53 * returned by getc() provided chars have 8 bits.
54 */
55
56#define	iswhite(arg)	_wht[arg & 0xff]	/* T if char is white */
57#define	begtoken(arg)	_btk[arg & 0xff]	/* T if char can start token */
58#define	intoken(arg)	_itk[arg & 0xff]	/* T if char can be in token */
59#define	endtoken(arg)	_etk[arg & 0xff]	/* T if char ends tokens */
60#define	isgood(arg)	_gd[arg & 0xff]	/* T if char can be after ')' */
61
62typedef struct nd_st {			/* sorting structure */
63	struct nd_st	*left,
64			*right;		/* left and right sons */
65	char	*entry,			/* function or type name */
66		*file,			/* file name */
67		*pat;			/* search pattern */
68	int	lno;			/* for -x option */
69	bool	been_warned;		/* set if noticed dup */
70} NODE;
71
72extern char	*curfile;		/* current input file name */
73extern NODE	*head;			/* head of the sorted binary tree */
74extern FILE    *inf;			/* ioptr for current input file */
75extern FILE    *outf;			/* ioptr for current output file */
76extern long	lineftell;		/* ftell after getc( inf ) == '\n' */
77extern int	lineno;			/* line number of current line */
78extern int	dflag;			/* -d: non-macro defines */
79extern int	tflag;			/* -t: create tags for typedefs */
80extern int	vflag;			/* -v: vgrind style index output */
81extern int	wflag;			/* -w: suppress warnings */
82extern int	xflag;			/* -x: cxref style output */
83extern bool	_wht[], _etk[], _itk[], _btk[], _gd[];
84extern char	lbuf[LINE_MAX];
85extern char    *lbp;
86extern char	searchar;		/* ex search character */
87
88extern int	cicmp(const char *);
89extern void	get_line(void);
90extern void	pfnote(const char *, int);
91extern int	skip_key(int);
92extern void	put_entries(NODE *);
93extern void	toss_yysec(void);
94extern void	l_entries(void);
95extern void	y_entries(void);
96extern int	PF_funcs(void);
97extern void	c_entries(void);
98extern void	skip_comment(int);
99