usr.bin/ctags/ctags.h

   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. 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: head/usr.bin/ctags/ctags.h 299355 2016-05-10 11:11:23Z bapt $
  32  */
  33
  34 #define bool    char
  35
  36 #define YES             1
  37 #define NO              0
  38 #define EOS             '\0'
  39
  40 #define ENDLINE         50              /* max length of pattern */
  41 #define MAXTOKEN        250             /* max size of single token */
  42
  43 #define SETLINE         {++lineno;lineftell = ftell(inf);}
  44 #define GETC(op,exp)    ((c = getc(inf)) op (int)exp)
  45
  46 /*
  47  * These character classification macros assume that the (EOF & 0xff) element
  48  * of the arrays is always 'NO', as the EOF return from getc() gets masked
  49  * to that value.  Masking with 0xff has no effect for normal characters
  50  * returned by getc() provided chars have 8 bits.
  51  */
  52
  53 #define iswhite(arg)    _wht[arg & 0xff]        /* T if char is white */
  54 #define begtoken(arg)   _btk[arg & 0xff]        /* T if char can start token */
  55 #define intoken(arg)    _itk[arg & 0xff]        /* T if char can be in token */
  56 #define endtoken(arg)   _etk[arg & 0xff]        /* T if char ends tokens */
  57 #define isgood(arg)     _gd[arg & 0xff] /* T if char can be after ')' */
  58
  59 typedef struct nd_st {                  /* sorting structure */
  60         struct nd_st    *left,
  61                         *right;         /* left and right sons */
  62         char    *entry,                 /* function or type name */
  63                 *file,                  /* file name */
  64                 *pat;                   /* search pattern */
  65         int     lno;                    /* for -x option */
  66         bool    been_warned;            /* set if noticed dup */
  67 } NODE;
  68
  69 extern char     *curfile;               /* current input file name */
  70 extern NODE     *head;                  /* head of the sorted binary tree */
  71 extern FILE    *inf;                    /* ioptr for current input file */
  72 extern FILE    *outf;                   /* ioptr for current output file */
  73 extern long     lineftell;              /* ftell after getc( inf ) == '\n' */
  74 extern int      lineno;                 /* line number of current line */
  75 extern int      dflag;                  /* -d: non-macro defines */
  76 extern int      tflag;                  /* -t: create tags for typedefs */
  77 extern int      vflag;                  /* -v: vgrind style index output */
  78 extern int      wflag;                  /* -w: suppress warnings */
  79 extern int      xflag;                  /* -x: cxref style output */
  80 extern bool     _wht[], _etk[], _itk[], _btk[], _gd[];
  81 extern char     lbuf[LINE_MAX];
  82 extern char    *lbp;
  83 extern char     searchar;               /* ex search character */
  84
  85 extern int      cicmp(const char *);
  86 extern void     get_line(void);
  87 extern void     pfnote(const char *, int);
  88 extern int      skip_key(int);
  89 extern void     put_entries(NODE *);
  90 extern void     toss_yysec(void);
  91 extern void     l_entries(void);
  92 extern void     y_entries(void);
  93 extern int      PF_funcs(void);
  94 extern void     c_entries(void);
  95 extern void     skip_comment(int);