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- /* Declarations for variables relating to reading the source file.
- Used by parsers, lexical analyzers, and error message routines.
- Copyright (C) 1993-2015 Free Software Foundation, Inc.
- This file is part of GCC.
- GCC is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 3, or (at your option) any later
- version.
- GCC is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
- #ifndef GCC_INPUT_H
- #define GCC_INPUT_H
- #include "line-map.h"
- extern GTY(()) struct line_maps *line_table;
- /* A value which will never be used to represent a real location. */
- #define UNKNOWN_LOCATION ((source_location) 0)
- /* The location for declarations in "<built-in>" */
- #define BUILTINS_LOCATION ((source_location) 1)
- /* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure
- both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */
- extern char builtins_location_check[(BUILTINS_LOCATION
- < RESERVED_LOCATION_COUNT) ? 1 : -1];
- extern bool is_location_from_builtin_token (source_location);
- extern expanded_location expand_location (source_location);
- extern const char *location_get_source_line (expanded_location xloc,
- int *line_size);
- extern expanded_location expand_location_to_spelling_point (source_location);
- extern source_location expansion_point_location_if_in_system_header (source_location);
- /* Historically GCC used location_t, while cpp used source_location.
- This could be removed but it hardly seems worth the effort. */
- typedef source_location location_t;
- extern location_t input_location;
- #define LOCATION_FILE(LOC) ((expand_location (LOC)).file)
- #define LOCATION_LINE(LOC) ((expand_location (LOC)).line)
- #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column)
- #define LOCATION_LOCUS(LOC) \
- ((IS_ADHOC_LOC (LOC)) ? get_location_from_adhoc_loc (line_table, LOC) \
- : (LOC))
- #define LOCATION_BLOCK(LOC) \
- ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \
- : NULL))
- /* Return a positive value if LOCATION is the locus of a token that is
- located in a system header, O otherwise. It returns 1 if LOCATION
- is the locus of a token that is located in a system header, and 2
- if LOCATION is the locus of a token located in a C system header
- that therefore needs to be extern "C" protected in C++.
- Note that this function returns 1 if LOCATION belongs to a token
- that is part of a macro replacement-list defined in a system
- header, but expanded in a non-system file. */
- #define in_system_header_at(LOC) \
- (linemap_location_in_system_header_p (line_table, LOC))
- void dump_line_table_statistics (void);
- void diagnostics_file_cache_fini (void);
- #endif
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