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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. | |
68723fae | 3 | Copyright (C) 1993, 1997, 1998, 2000 Free Software Foundation, Inc. |
d7f6896a | 4 | |
1322177d | 5 | This file is part of GCC. |
d7f6896a | 6 | |
1322177d LB |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
d7f6896a | 11 | |
1322177d LB |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
d7f6896a RK |
16 | |
17 | You should have received a copy of the GNU General Public License | |
1322177d LB |
18 | along with GCC; see the file COPYING. If not, write to the Free |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
d7f6896a | 21 | |
1fa2d22f | 22 | /* Source file current line is coming from. */ |
3b304f5b | 23 | extern const char *input_filename; |
1fa2d22f RS |
24 | |
25 | /* Top-level source file. */ | |
3b304f5b | 26 | extern const char *main_input_filename; |
1fa2d22f RS |
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 | { | |
3b304f5b | 36 | const char *name; |
1fa2d22f RS |
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; | |
68723fae | 48 | |
3b304f5b | 49 | extern void push_srcloc PARAMS ((const char *name, int line)); |
68723fae | 50 | extern void pop_srcloc PARAMS ((void)); |