mdw@git.distorted.org.uk Git - become/blob - src/lexer.h

   1 /* -*-c-*-
   2  *
   3  * $Id: lexer.h,v 1.1 1997/07/21 13:47:48 mdw Exp $
   4  *
   5  * Lexical analyser for `become.conf' files
   6  *
   7  * (c) 1997 EBI
   8  */
   9
  10 /*----- Licencing notice --------------------------------------------------*
  11  *
  12  * This file is part of `become'
  13  *
  14  * `Become' is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * `Become' is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with `become'; if not, write to the Free Software
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: lexer.h,v $
  32  * Revision 1.1  1997/07/21 13:47:48  mdw
  33  * Initial revision
  34  *
  35  */
  36
  37 #ifndef LEXER_H
  38 #define LEXER_H
  39
  40 #ifdef __cplusplus
  41   extern "C" {
  42 #endif
  43
  44 /*----- Required headers --------------------------------------------------*/
  45
  46 #include <stdio.h>
  47
  48 /*----- Global variables --------------------------------------------------*/
  49
  50 extern int lex_line;                    /* Current line number */
  51
  52 /*----- Functions provided ------------------------------------------------*/
  53
  54 /* --- @yylex@ --- *
  55  *
  56  * Arguments:   ---
  57  *
  58  * Returns:     The next token, or zero for EOF.
  59  *
  60  * Use:         Scans the input file.
  61  */
  62
  63 extern int yylex(void);
  64
  65 /* --- @lexer_scan@ --- *
  66  *
  67  * Arguments:   @FILE *fp@ = pointer to a stream object to scan
  68  *
  69  * Returns:     ---
  70  *
  71  * Use:         Initialises the scanner ready to parse from the given
  72  *              stream.
  73  */
  74
  75 extern void lexer_scan(FILE */*fp*/);
  76
  77 /*----- That's all, folks -------------------------------------------------*/
  78
  79 #ifdef __cplusplus
  80   }
  81 #endif
  82
  83 #endif