usr/src/usr.bin/ctags/ctags.h

/*
 * Copyright (c) 1987 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)ctags.h     5.2 (Berkeley) %G%
 */

#include <stdio.h>
#include <ctype.h>

#define bool    char

#define YES             1
#define NO              0
#define EOS             '\0'

#define ENDLINE         50              /* max length of pattern */
#define MAXTOKEN        250             /* max size of single token */

#define SETLINE         {++lineno;lineftell = ftell(inf);}
#define GETC(op,exp)    ((c = getc(inf)) op (int)exp)

#define iswhite(arg)    (_wht[arg])     /* T if char is white */
#define begtoken(arg)   (_btk[arg])     /* T if char can start token */
#define intoken(arg)    (_itk[arg])     /* T if char can be in token */
#define endtoken(arg)   (_etk[arg])     /* T if char ends tokens */
#define isgood(arg)     (_gd[arg])      /* T if char can be after ')' */

typedef struct nd_st {                  /* sorting structure */
        struct nd_st    *left,
                        *right;         /* left and right sons */
        char    *entry,                 /* function or type name */
                *file,                  /* file name */
                *pat;                   /* search pattern */
        int     lno;                    /* for -x option */
        bool    been_warned;            /* set if noticed dup */
} NODE;

extern FILE     *inf;                   /* ioptr for current input file */
extern long     lineftell;              /* ftell after getc( inf ) == '\n' */
extern int      lineno,                 /* line number of current line */
                xflag;                  /* -x: cxref style output */
extern bool     _wht[0177],_etk[0177],_itk[0177],_btk[0177],_gd[0177];
extern char     lbuf[BUFSIZ];