ctags.h revision 92920 
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 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	@(#)ctags.h	8.3 (Berkeley) 4/2/94
34 *
35 * $FreeBSD: head/usr.bin/ctags/ctags.h 92920 2002-03-22 01:22:50Z imp $
36 *
37 */
38
39#define	bool	char
40
41#define	YES		1
42#define	NO		0
43#define	EOS		'\0'
44
45#define	ENDLINE		50		/* max length of pattern */
46#define	MAXTOKEN	250		/* max size of single token */
47
48#define	SETLINE		{++lineno;lineftell = ftell(inf);}
49#define	GETC(op,exp)	((c = getc(inf)) op (int)exp)
50
51/*
52 * These character classification macros assume that the (EOF & 0xff) element
53 * of the arrays is always 'NO', as the EOF return from getc() gets masked
54 * to that value.  Masking with 0xff has no effect for normal characters
55 * returned by getc() provided chars have 8 bits.
56 */
57
58#define	iswhite(arg)	_wht[arg & 0xff]	/* T if char is white */
59#define	begtoken(arg)	_btk[arg & 0xff]	/* T if char can start token */
60#define	intoken(arg)	_itk[arg & 0xff]	/* T if char can be in token */
61#define	endtoken(arg)	_etk[arg & 0xff]	/* T if char ends tokens */
62#define	isgood(arg)	_gd[arg & 0xff]	/* T if char can be after ')' */
63
64typedef struct nd_st {			/* sorting structure */
65	struct nd_st	*left,
66			*right;		/* left and right sons */
67	char	*entry,			/* function or type name */
68		*file,			/* file name */
69		*pat;			/* search pattern */
70	int	lno;			/* for -x option */
71	bool	been_warned;		/* set if noticed dup */
72} NODE;
73
74extern char	*curfile;		/* current input file name */
75extern NODE	*head;			/* head of the sorted binary tree */
76extern FILE    *inf;			/* ioptr for current input file */
77extern FILE    *outf;			/* ioptr for current output file */
78extern long	lineftell;		/* ftell after getc( inf ) == '\n' */
79extern int	lineno;			/* line number of current line */
80extern int	dflag;			/* -d: non-macro defines */
81extern int	tflag;			/* -t: create tags for typedefs */
82extern int	vflag;			/* -v: vgrind style index output */
83extern int	wflag;			/* -w: suppress warnings */
84extern int	xflag;			/* -x: cxref style output */
85extern bool	_wht[], _etk[], _itk[], _btk[], _gd[];
86extern char	lbuf[LINE_MAX];
87extern char    *lbp;
88extern char	searchar;		/* ex search character */
89
90extern int	cicmp(const char *);
91extern void	getline(void);
92extern void	pfnote(const char *, int);
93extern int	skip_key(int);
94extern void	put_entries(NODE *);
95extern void	toss_yysec(void);
96extern void	l_entries(void);
97extern void	y_entries(void);
98extern int	PF_funcs(void);
99extern void	c_entries(void);
100extern void	skip_comment(int);
101