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

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