64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* Declarations for variables relating to reading the source file.
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Used by parsers, lexical analyzers, and error message routines.
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Copyright (C) 1993, 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef GCC_INPUT_H
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#define GCC_INPUT_H
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/* The data structure used to record a location in a translation unit. */
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/* Long-term, we want to get rid of this and typedef fileline location_t. */
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struct location_s GTY (())
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{
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/* The name of the source file involved. */
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const char *file;
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/* The line-location in the source file. */
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int line;
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};
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typedef struct location_s location_t;
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struct file_stack
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{
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struct file_stack *next;
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location_t location;
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};
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/* Top-level source file. */
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extern const char *main_input_filename;
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extern location_t input_location;
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#define input_line (input_location.line)
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#define input_filename (input_location.file)
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/* Stack of currently pending input files.
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The line member is not accurate for the innermost file on the stack. */
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extern struct file_stack *input_file_stack;
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/* Stack of EXPR_WITH_FILE_LOCATION nested expressions. */
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extern struct file_stack *expr_wfl_stack;
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/* Incremented on each change to input_file_stack. */
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extern int input_file_stack_tick;
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extern void push_srcloc (const char *name, int line);
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extern void pop_srcloc (void);
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#endif
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