c4f2d992 |
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 |