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Annotation of GNUtools/cc/input.h, revision 1.1.1.1

1.1       root        1: /* Declarations for variables relating to reading the source file.
                      2:    Used by parsers, lexical analyzers, and error message routines.
                      3: 
                      4:    Copyright (C) 1993 Free Software Foundation, Inc.
                      5: 
                      6: This file is part of GNU CC.
                      7: 
                      8: GNU CC is free software; you can redistribute it and/or modify
                      9: it under the terms of the GNU General Public License as published by
                     10: the Free Software Foundation; either version 2, or (at your option)
                     11: any later version.
                     12: 
                     13: GNU CC is distributed in the hope that it will be useful,
                     14: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: GNU General Public License for more details.
                     17: 
                     18: You should have received a copy of the GNU General Public License
                     19: along with GNU CC; see the file COPYING.  If not, write to
                     20: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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:   };
                     40: 
                     41: /* Stack of currently pending input files.
                     42:    The line member is not accurate for the innermost file on the stack.  */
                     43: extern struct file_stack *input_file_stack;
                     44: 
                     45: /* Incremented on each change to input_file_stack.  */
                     46: extern int input_file_stack_tick;

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