Mercurial > hg > CbC > CbC_gcc
annotate gcc/input.h @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 /* Declarations for variables relating to reading the source file. |
| 2 Used by parsers, lexical analyzers, and error message routines. | |
| 111 | 3 Copyright (C) 1993-2017 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 This file is part of GCC. | |
| 6 | |
| 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 | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 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. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #ifndef GCC_INPUT_H | |
| 22 #define GCC_INPUT_H | |
| 23 | |
| 24 #include "line-map.h" | |
| 25 | |
| 26 extern GTY(()) struct line_maps *line_table; | |
| 111 | 27 extern GTY(()) struct line_maps *saved_line_table; |
| 0 | 28 |
| 29 /* A value which will never be used to represent a real location. */ | |
| 30 #define UNKNOWN_LOCATION ((source_location) 0) | |
| 31 | |
| 32 /* The location for declarations in "<built-in>" */ | |
|
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33 #define BUILTINS_LOCATION ((source_location) 1) |
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34 |
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35 /* line-map.c reserves RESERVED_LOCATION_COUNT to the user. Ensure |
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36 both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that. */ |
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37 extern char builtins_location_check[(BUILTINS_LOCATION |
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38 < RESERVED_LOCATION_COUNT) ? 1 : -1]; |
| 0 | 39 |
| 111 | 40 extern bool is_location_from_builtin_token (source_location); |
| 0 | 41 extern expanded_location expand_location (source_location); |
| 111 | 42 extern const char *location_get_source_line (const char *file_path, int line, |
| 43 int *line_size); | |
| 44 extern bool location_missing_trailing_newline (const char *file_path); | |
| 45 extern expanded_location expand_location_to_spelling_point (source_location); | |
| 46 extern source_location expansion_point_location_if_in_system_header (source_location); | |
| 47 extern source_location expansion_point_location (source_location); | |
| 0 | 48 |
| 49 /* Historically GCC used location_t, while cpp used source_location. | |
| 50 This could be removed but it hardly seems worth the effort. */ | |
| 51 typedef source_location location_t; | |
| 52 | |
| 53 extern location_t input_location; | |
| 54 | |
| 55 #define LOCATION_FILE(LOC) ((expand_location (LOC)).file) | |
| 56 #define LOCATION_LINE(LOC) ((expand_location (LOC)).line) | |
| 111 | 57 #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column) |
| 58 #define LOCATION_LOCUS(LOC) \ | |
| 59 ((IS_ADHOC_LOC (LOC)) ? get_location_from_adhoc_loc (line_table, LOC) \ | |
| 60 : (LOC)) | |
| 61 #define LOCATION_BLOCK(LOC) \ | |
| 62 ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \ | |
| 63 : NULL)) | |
| 64 #define RESERVED_LOCATION_P(LOC) \ | |
| 65 (LOCATION_LOCUS (LOC) < RESERVED_LOCATION_COUNT) | |
| 0 | 66 |
| 111 | 67 /* Return a positive value if LOCATION is the locus of a token that is |
| 68 located in a system header, O otherwise. It returns 1 if LOCATION | |
| 69 is the locus of a token that is located in a system header, and 2 | |
| 70 if LOCATION is the locus of a token located in a C system header | |
| 71 that therefore needs to be extern "C" protected in C++. | |
| 72 | |
| 73 Note that this function returns 1 if LOCATION belongs to a token | |
| 74 that is part of a macro replacement-list defined in a system | |
| 75 header, but expanded in a non-system file. */ | |
| 76 #define in_system_header_at(LOC) \ | |
| 77 (linemap_location_in_system_header_p (line_table, LOC)) | |
| 78 /* Return a positive value if LOCATION is the locus of a token that | |
| 79 comes from a macro expansion, O otherwise. */ | |
| 80 #define from_macro_expansion_at(LOC) \ | |
| 81 ((linemap_location_from_macro_expansion_p (line_table, LOC))) | |
| 82 /* Return a positive value if LOCATION is the locus of a token that comes from | |
| 83 a macro definition, O otherwise. This differs from from_macro_expansion_at | |
| 84 in its treatment of macro arguments, for which this returns false. */ | |
| 85 #define from_macro_definition_at(LOC) \ | |
| 86 ((linemap_location_from_macro_definition_p (line_table, LOC))) | |
| 87 | |
| 88 static inline location_t | |
| 89 get_pure_location (location_t loc) | |
| 90 { | |
| 91 return get_pure_location (line_table, loc); | |
| 92 } | |
| 93 | |
| 94 /* Get the start of any range encoded within location LOC. */ | |
| 95 | |
| 96 static inline location_t | |
| 97 get_start (location_t loc) | |
| 98 { | |
| 99 return get_range_from_loc (line_table, loc).m_start; | |
| 100 } | |
| 101 | |
| 102 /* Get the endpoint of any range encoded within location LOC. */ | |
| 103 | |
| 104 static inline location_t | |
| 105 get_finish (location_t loc) | |
| 106 { | |
| 107 return get_range_from_loc (line_table, loc).m_finish; | |
| 108 } | |
| 109 | |
| 110 extern location_t make_location (location_t caret, | |
| 111 location_t start, location_t finish); | |
| 112 extern location_t make_location (location_t caret, source_range src_range); | |
| 113 | |
| 114 void dump_line_table_statistics (void); | |
| 115 | |
| 116 void dump_location_info (FILE *stream); | |
| 117 | |
| 118 void diagnostics_file_cache_fini (void); | |
| 119 | |
| 120 void diagnostics_file_cache_forcibly_evict_file (const char *file_path); | |
| 121 | |
| 122 struct GTY(()) string_concat | |
| 123 { | |
| 124 string_concat (int num, location_t *locs); | |
| 125 | |
| 126 int m_num; | |
| 127 location_t * GTY ((atomic)) m_locs; | |
| 128 }; | |
| 129 | |
| 130 struct location_hash : int_hash <location_t, UNKNOWN_LOCATION> { }; | |
| 131 | |
| 132 class GTY(()) string_concat_db | |
| 133 { | |
| 134 public: | |
| 135 string_concat_db (); | |
| 136 void record_string_concatenation (int num, location_t *locs); | |
| 137 | |
| 138 bool get_string_concatenation (location_t loc, | |
| 139 int *out_num, | |
| 140 location_t **out_locs); | |
| 141 | |
| 142 private: | |
| 143 static location_t get_key_loc (location_t loc); | |
| 144 | |
| 145 /* For the fields to be private, we must grant access to the | |
| 146 generated code in gtype-desc.c. */ | |
| 147 | |
| 148 friend void ::gt_ggc_mx_string_concat_db (void *x_p); | |
| 149 friend void ::gt_pch_nx_string_concat_db (void *x_p); | |
| 150 friend void ::gt_pch_p_16string_concat_db (void *this_obj, void *x_p, | |
| 151 gt_pointer_operator op, | |
| 152 void *cookie); | |
| 153 | |
| 154 hash_map <location_hash, string_concat *> *m_table; | |
| 155 }; | |
| 0 | 156 |
| 157 #endif |