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Annotation of gcc/input.h, revision 1.1.1.2

1.1.1.2 ! 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: 
1.1       root       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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