| 1 | /* Declarations for variables relating to reading the source file. |
|---|
| 2 | Used by parsers, lexical analyzers, and error message routines. |
|---|
| 3 | Copyright (C) 1993, 1997 Free Software Foundation, Inc. |
|---|
| 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 |
|---|
| 19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
|---|
| 20 | Boston, MA 02111-1307, USA. */ |
|---|
| 21 | |
|---|
| 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; |
|---|
| 39 | int indent_level; |
|---|
| 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; |
|---|
