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

   1 /* -*-c-*-
   2  *
   3  * $Id: lexer.h,v 1.3 1998/01/12 16:46:07 mdw Exp $
   4  *
   5  * Lexical analyser for `become.conf' files
   6  *
   7  * (c) 1998 EBI
   8  */
   9
  10 /*----- Licensing 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 Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: lexer.h,v $
  32  * Revision 1.3  1998/01/12 16:46:07  mdw
  33  * Fix copyright date.
  34  *
  35  * Revision 1.2  1997/08/04 10:24:23  mdw
  36  * Sources placed under CVS control.
  37  *
  38  * Revision 1.1  1997/07/21  13:47:48  mdw
  39  * Initial revision
  40  *
  41  */
  42
  43 #ifndef LEXER_H
  44 #define LEXER_H
  45
  46 #ifdef __cplusplus
  47   extern "C" {
  48 #endif
  49
  50 /*----- Required headers --------------------------------------------------*/
  51
  52 #include <stdio.h>
  53
  54 /*----- Global variables --------------------------------------------------*/
  55
  56 extern int lex_line;                    /* Current line number */
  57
  58 /*----- Functions provided ------------------------------------------------*/
  59
  60 /* --- @yylex@ --- *
  61  *
  62  * Arguments:   ---
  63  *
  64  * Returns:     The next token, or zero for EOF.
  65  *
  66  * Use:         Scans the input file.
  67  */
  68
  69 extern int yylex(void);
  70
  71 /* --- @lexer_scan@ --- *
  72  *
  73  * Arguments:   @FILE *fp@ = pointer to a stream object to scan
  74  *
  75  * Returns:     ---
  76  *
  77  * Use:         Initialises the scanner ready to parse from the given
  78  *              stream.
  79  */
  80
  81 extern void lexer_scan(FILE */*fp*/);
  82
  83 /*----- That's all, folks -------------------------------------------------*/
  84
  85 #ifdef __cplusplus
  86   }
  87 #endif
  88
  89 #endif