2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1987, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 * @(#)ctags.h 8.3 (Berkeley) 4/2/94
43 #define ENDLINE 50 /* max length of pattern */
44 #define MAXTOKEN 250 /* max size of single token */
46 #define SETLINE {++lineno;lineftell = ftell(inf);}
47 #define GETC(op,exp) ((c = getc(inf)) op (int)exp)
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.
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 ')' */
62 typedef struct nd_st { /* sorting structure */
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 */
72 extern char *curfile; /* current input file name */
73 extern NODE *head; /* head of the sorted binary tree */
74 extern FILE *inf; /* ioptr for current input file */
75 extern FILE *outf; /* ioptr for current output file */
76 extern long lineftell; /* ftell after getc( inf ) == '\n' */
77 extern int lineno; /* line number of current line */
78 extern int dflag; /* -d: non-macro defines */
79 extern int tflag; /* -t: create tags for typedefs */
80 extern int vflag; /* -v: vgrind style index output */
81 extern int wflag; /* -w: suppress warnings */
82 extern int xflag; /* -x: cxref style output */
83 extern bool _wht[], _etk[], _itk[], _btk[], _gd[];
84 extern char lbuf[LINE_MAX];
86 extern char searchar; /* ex search character */
88 extern int cicmp(const char *);
89 extern void get_line(void);
90 extern void pfnote(const char *, int);
91 extern int skip_key(int);
92 extern void put_entries(NODE *);
93 extern void toss_yysec(void);
94 extern void l_entries(void);
95 extern void y_entries(void);
96 extern int PF_funcs(void);
97 extern void c_entries(void);
98 extern void skip_comment(int);