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d7f6896a RK |
1 | /* Declarations for variables relating to reading the source file. |
2 | Used by parsers, lexical analyzers, and error message routines. | |
818ab71a | 3 | Copyright (C) 1993-2016 Free Software Foundation, Inc. |
d7f6896a | 4 | |
1322177d | 5 | This file is part of GCC. |
d7f6896a | 6 | |
1322177d LB |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 9 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 10 | version. |
d7f6896a | 11 | |
1322177d LB |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
d7f6896a RK |
16 | |
17 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
d7f6896a | 20 | |
6060edcb NS |
21 | #ifndef GCC_INPUT_H |
22 | #define GCC_INPUT_H | |
1fa2d22f | 23 | |
c1667470 | 24 | #include "line-map.h" |
2d593c86 | 25 | |
5ffeb913 | 26 | extern GTY(()) struct line_maps *line_table; |
50f59cd7 | 27 | |
2d593c86 TT |
28 | /* A value which will never be used to represent a real location. */ |
29 | #define UNKNOWN_LOCATION ((source_location) 0) | |
30 | ||
c1667470 | 31 | /* The location for declarations in "<built-in>" */ |
96c169e1 JJ |
32 | #define BUILTINS_LOCATION ((source_location) 1) |
33 | ||
34 | /* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure | |
35 | both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */ | |
36 | extern char builtins_location_check[(BUILTINS_LOCATION | |
37 | < RESERVED_LOCATION_COUNT) ? 1 : -1]; | |
c1667470 | 38 | |
c468587a | 39 | extern bool is_location_from_builtin_token (source_location); |
c1667470 | 40 | extern expanded_location expand_location (source_location); |
31bdd08a | 41 | extern const char *location_get_source_line (const char *file_path, int line, |
7ecc3eb9 | 42 | int *line_size); |
7eb918cc | 43 | extern expanded_location expand_location_to_spelling_point (source_location); |
70dc395a | 44 | extern source_location expansion_point_location_if_in_system_header (source_location); |
c1667470 | 45 | |
2d593c86 TT |
46 | /* Historically GCC used location_t, while cpp used source_location. |
47 | This could be removed but it hardly seems worth the effort. */ | |
48 | typedef source_location location_t; | |
1fa2d22f | 49 | |
6060edcb | 50 | extern location_t input_location; |
c1667470 PB |
51 | |
52 | #define LOCATION_FILE(LOC) ((expand_location (LOC)).file) | |
53 | #define LOCATION_LINE(LOC) ((expand_location (LOC)).line) | |
46427374 | 54 | #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column) |
5368224f | 55 | #define LOCATION_LOCUS(LOC) \ |
c3284718 RS |
56 | ((IS_ADHOC_LOC (LOC)) ? get_location_from_adhoc_loc (line_table, LOC) \ |
57 | : (LOC)) | |
5368224f DC |
58 | #define LOCATION_BLOCK(LOC) \ |
59 | ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \ | |
c3284718 | 60 | : NULL)) |
c1667470 | 61 | |
86d2cad9 MLI |
62 | /* Return a positive value if LOCATION is the locus of a token that is |
63 | located in a system header, O otherwise. It returns 1 if LOCATION | |
64 | is the locus of a token that is located in a system header, and 2 | |
65 | if LOCATION is the locus of a token located in a C system header | |
66 | that therefore needs to be extern "C" protected in C++. | |
67 | ||
68 | Note that this function returns 1 if LOCATION belongs to a token | |
69 | that is part of a macro replacement-list defined in a system | |
70 | header, but expanded in a non-system file. */ | |
46427374 | 71 | #define in_system_header_at(LOC) \ |
86d2cad9 | 72 | (linemap_location_in_system_header_p (line_table, LOC)) |
b8787813 MP |
73 | /* Return a positive value if LOCATION is the locus of a token that |
74 | comes from a macro expansion, O otherwise. */ | |
75 | #define from_macro_expansion_at(LOC) \ | |
76 | ((linemap_location_from_macro_expansion_p (line_table, LOC))) | |
1fa2d22f | 77 | |
64a1a422 TT |
78 | void dump_line_table_statistics (void); |
79 | ||
ba4ad400 DM |
80 | void dump_location_info (FILE *stream); |
81 | ||
7ecc3eb9 DS |
82 | void diagnostics_file_cache_fini (void); |
83 | ||
6060edcb | 84 | #endif |