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