gcc/input.h

   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 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;