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d7f6896a RK |
1 | /* Declarations for variables relating to reading the source file. |
2 | Used by parsers, lexical analyzers, and error message routines. | |
4283012f | 3 | Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. |
d7f6896a RK |
4 | |
5 | This file is part of GNU CC. | |
6 | ||
7 | GNU CC is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU CC is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU CC; see the file COPYING. If not, write to | |
a35311b0 RK |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
d7f6896a | 21 | |
1fa2d22f RS |
22 | /* Source file current line is coming from. */ |
23 | extern char *input_filename; | |
24 | ||
25 | /* Top-level source file. */ | |
26 | extern char *main_input_filename; | |
27 | ||
28 | /* Line number in current source file. */ | |
29 | extern int lineno; | |
30 | ||
31 | /* Stream for reading from input file. */ | |
32 | extern FILE *finput; | |
33 | ||
34 | struct file_stack | |
35 | { | |
36 | char *name; | |
37 | struct file_stack *next; | |
38 | int line; | |
31031edd | 39 | int indent_level; |
1fa2d22f RS |
40 | }; |
41 | ||
42 | /* Stack of currently pending input files. | |
43 | The line member is not accurate for the innermost file on the stack. */ | |
44 | extern struct file_stack *input_file_stack; | |
45 | ||
46 | /* Incremented on each change to input_file_stack. */ | |
47 | extern int input_file_stack_tick; |