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[official-gcc.git] / gcc / input.h
blob32d49b9ae8e9b37a07555a6e6df56498e687553c
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, 1998, 2000 Free Software Foundation, Inc.
5 This file is part of GNU CC.
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.
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.
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. */
22 /* Source file current line is coming from. */
23 extern const char *input_filename;
25 /* Top-level source file. */
26 extern const char *main_input_filename;
28 /* Line number in current source file. */
29 extern int lineno;
31 /* Stream for reading from input file. */
32 extern FILE *finput;
34 struct file_stack
36 const char *name;
37 struct file_stack *next;
38 int line;
39 int indent_level;
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;
46 /* Incremented on each change to input_file_stack. */
47 extern int input_file_stack_tick;
49 extern void push_srcloc PARAMS ((const char *name, int line));
50 extern void pop_srcloc PARAMS ((void));