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88ae23e7 | 1 | /* Part of CPP library. |
85ec4feb | 2 | Copyright (C) 1997-2018 Free Software Foundation, Inc. |
4283012f JL |
3 | |
4 | This program is free software; you can redistribute it and/or modify it | |
5 | under the terms of the GNU General Public License as published by the | |
748086b7 | 6 | Free Software Foundation; either version 3, or (at your option) any |
4283012f JL |
7 | later version. |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
748086b7 JJ |
15 | along with this program; see the file COPYING3. If not see |
16 | <http://www.gnu.org/licenses/>. */ | |
4283012f | 17 | |
88ae23e7 | 18 | /* This header defines all the internal data structures and functions |
4f4e53dd PB |
19 | that need to be visible across files. It should not be used outside |
20 | cpplib. */ | |
88ae23e7 | 21 | |
4f4e53dd PB |
22 | #ifndef LIBCPP_INTERNAL_H |
23 | #define LIBCPP_INTERNAL_H | |
bb52fa7f | 24 | |
4f4e53dd | 25 | #include "symtab.h" |
abcd1775 | 26 | #include "cpplib.h" |
2a967f3d | 27 | |
968e08d6 | 28 | #if HAVE_ICONV |
e6cc3a24 ZW |
29 | #include <iconv.h> |
30 | #else | |
31 | #define HAVE_ICONV 0 | |
32 | typedef int iconv_t; /* dummy */ | |
33 | #endif | |
34 | ||
4851089f ILT |
35 | #ifdef __cplusplus |
36 | extern "C" { | |
37 | #endif | |
38 | ||
2a967f3d | 39 | struct directive; /* Deliberately incomplete. */ |
af0d16cd | 40 | struct pending_option; |
87ed109f | 41 | struct op; |
a8016863 | 42 | struct _cpp_strbuf; |
6b88314c ZW |
43 | |
44 | typedef bool (*convert_f) (iconv_t, const unsigned char *, size_t, | |
a8016863 | 45 | struct _cpp_strbuf *); |
6b88314c ZW |
46 | struct cset_converter |
47 | { | |
48 | convert_f func; | |
49 | iconv_t cd; | |
b6baa67d | 50 | int width; |
6b88314c | 51 | }; |
8121d2c3 | 52 | |
4268e8bb NB |
53 | #define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t)) |
54 | ||
93c80368 NB |
55 | /* Test if a sign is valid within a preprocessing number. */ |
56 | #define VALID_SIGN(c, prevc) \ | |
57 | (((c) == '+' || (c) == '-') && \ | |
58 | ((prevc) == 'e' || (prevc) == 'E' \ | |
bdb05a7b NB |
59 | || (((prevc) == 'p' || (prevc) == 'P') \ |
60 | && CPP_OPTION (pfile, extended_numbers)))) | |
93c80368 | 61 | |
7057e645 ESR |
62 | #define DIGIT_SEP(c) ((c) == '\'' && CPP_OPTION (pfile, digit_separators)) |
63 | ||
8121d2c3 NB |
64 | #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION) |
65 | #define CPP_BUFFER(PFILE) ((PFILE)->buffer) | |
26aea073 | 66 | #define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base) |
8121d2c3 NB |
67 | #define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur) |
68 | ||
12f9df4e | 69 | #define CPP_INCREMENT_LINE(PFILE, COLS_HINT) do { \ |
500bee0a | 70 | const struct line_maps *line_table = PFILE->line_table; \ |
0e50b624 | 71 | const struct line_map_ordinary *map = \ |
46427374 | 72 | LINEMAPS_LAST_ORDINARY_MAP (line_table); \ |
1bb64668 | 73 | linenum_type line = SOURCE_LINE (map, line_table->highest_line); \ |
500bee0a | 74 | linemap_line_start (PFILE->line_table, line + 1, COLS_HINT); \ |
12f9df4e PB |
75 | } while (0) |
76 | ||
8121d2c3 NB |
77 | /* Maximum nesting of cpp_buffers. We use a static limit, partly for |
78 | efficiency, and partly to limit runaway recursion. */ | |
79 | #define CPP_STACK_MAX 200 | |
80 | ||
c70f6ed3 NB |
81 | /* Host alignment handling. */ |
82 | struct dummy | |
83 | { | |
84 | char c; | |
85 | union | |
86 | { | |
87 | double d; | |
88 | int *p; | |
89 | } u; | |
90 | }; | |
91 | ||
92 | #define DEFAULT_ALIGNMENT offsetof (struct dummy, u) | |
93 | #define CPP_ALIGN2(size, align) (((size) + ((align) - 1)) & ~((align) - 1)) | |
94 | #define CPP_ALIGN(size) CPP_ALIGN2 (size, DEFAULT_ALIGNMENT) | |
95 | ||
3f6677f4 NS |
96 | #define _cpp_mark_macro_used(NODE) \ |
97 | (cpp_user_macro_p (NODE) ? (NODE)->value.macro->used = 1 : 0) | |
a69cbaac | 98 | |
644eddaa | 99 | /* A generic memory buffer, and operations on it. */ |
b8af0ca5 NB |
100 | typedef struct _cpp_buff _cpp_buff; |
101 | struct _cpp_buff | |
102 | { | |
103 | struct _cpp_buff *next; | |
ece54d54 | 104 | unsigned char *base, *cur, *limit; |
b8af0ca5 NB |
105 | }; |
106 | ||
6cf87ca4 ZW |
107 | extern _cpp_buff *_cpp_get_buff (cpp_reader *, size_t); |
108 | extern void _cpp_release_buff (cpp_reader *, _cpp_buff *); | |
109 | extern void _cpp_extend_buff (cpp_reader *, _cpp_buff **, size_t); | |
110 | extern _cpp_buff *_cpp_append_extend_buff (cpp_reader *, _cpp_buff *, size_t); | |
111 | extern void _cpp_free_buff (_cpp_buff *); | |
112 | extern unsigned char *_cpp_aligned_alloc (cpp_reader *, size_t); | |
113 | extern unsigned char *_cpp_unaligned_alloc (cpp_reader *, size_t); | |
644eddaa | 114 | |
8c3b2693 | 115 | #define BUFF_ROOM(BUFF) (size_t) ((BUFF)->limit - (BUFF)->cur) |
ece54d54 NB |
116 | #define BUFF_FRONT(BUFF) ((BUFF)->cur) |
117 | #define BUFF_LIMIT(BUFF) ((BUFF)->limit) | |
b8af0ca5 | 118 | |
ba133c96 | 119 | /* #include types. */ |
1efcb8c6 | 120 | enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE, IT_DEFAULT}; |
ba133c96 | 121 | |
4ed5bcfb | 122 | union utoken |
8121d2c3 | 123 | { |
4ed5bcfb NB |
124 | const cpp_token *token; |
125 | const cpp_token **ptoken; | |
8121d2c3 NB |
126 | }; |
127 | ||
5d8ebbd8 | 128 | /* A "run" of tokens; part of a chain of runs. */ |
5fddcffc NB |
129 | typedef struct tokenrun tokenrun; |
130 | struct tokenrun | |
131 | { | |
bdcbe496 | 132 | tokenrun *next, *prev; |
5fddcffc NB |
133 | cpp_token *base, *limit; |
134 | }; | |
135 | ||
82eda77e | 136 | /* Accessor macros for struct cpp_context. */ |
79ba5e3b NB |
137 | #define FIRST(c) ((c)->u.iso.first) |
138 | #define LAST(c) ((c)->u.iso.last) | |
139 | #define CUR(c) ((c)->u.trad.cur) | |
140 | #define RLIMIT(c) ((c)->u.trad.rlimit) | |
82eda77e | 141 | |
92582b75 TT |
142 | /* This describes some additional data that is added to the macro |
143 | token context of type cpp_context, when -ftrack-macro-expansion is | |
144 | on. */ | |
145 | typedef struct | |
146 | { | |
147 | /* The node of the macro we are referring to. */ | |
148 | cpp_hashnode *macro_node; | |
149 | /* This buffer contains an array of virtual locations. The virtual | |
150 | location at index 0 is the virtual location of the token at index | |
151 | 0 in the current instance of cpp_context; similarly for all the | |
152 | other virtual locations. */ | |
153 | source_location *virt_locs; | |
154 | /* This is a pointer to the current virtual location. This is used | |
155 | to iterate over the virtual locations while we iterate over the | |
156 | tokens they belong to. */ | |
157 | source_location *cur_virt_loc; | |
158 | } macro_context; | |
159 | ||
160 | /* The kind of tokens carried by a cpp_context. */ | |
161 | enum context_tokens_kind { | |
162 | /* This is the value of cpp_context::tokens_kind if u.iso.first | |
163 | contains an instance of cpp_token **. */ | |
164 | TOKENS_KIND_INDIRECT, | |
165 | /* This is the value of cpp_context::tokens_kind if u.iso.first | |
166 | contains an instance of cpp_token *. */ | |
167 | TOKENS_KIND_DIRECT, | |
168 | /* This is the value of cpp_context::tokens_kind when the token | |
169 | context contains tokens resulting from macro expansion. In that | |
170 | case struct cpp_context::macro points to an instance of struct | |
171 | macro_context. This is used only when the | |
172 | -ftrack-macro-expansion flag is on. */ | |
173 | TOKENS_KIND_EXTENDED | |
174 | }; | |
175 | ||
8121d2c3 NB |
176 | typedef struct cpp_context cpp_context; |
177 | struct cpp_context | |
178 | { | |
179 | /* Doubly-linked list. */ | |
180 | cpp_context *next, *prev; | |
181 | ||
82eda77e NB |
182 | union |
183 | { | |
184 | /* For ISO macro expansion. Contexts other than the base context | |
185 | are contiguous tokens. e.g. macro expansions, expanded | |
186 | argument tokens. */ | |
187 | struct | |
188 | { | |
189 | union utoken first; | |
190 | union utoken last; | |
191 | } iso; | |
192 | ||
193 | /* For traditional macro expansion. */ | |
194 | struct | |
195 | { | |
c812785a RS |
196 | const unsigned char *cur; |
197 | const unsigned char *rlimit; | |
82eda77e NB |
198 | } trad; |
199 | } u; | |
8121d2c3 | 200 | |
1e013d2e | 201 | /* If non-NULL, a buffer used for storage related to this context. |
c9e7a609 | 202 | When the context is popped, the buffer is released. */ |
1e013d2e NB |
203 | _cpp_buff *buff; |
204 | ||
92582b75 TT |
205 | /* If tokens_kind is TOKEN_KIND_EXTENDED, then (as we thus are in a |
206 | macro context) this is a pointer to an instance of macro_context. | |
207 | Otherwise if tokens_kind is *not* TOKEN_KIND_EXTENDED, then, if | |
208 | we are in a macro context, this is a pointer to an instance of | |
209 | cpp_hashnode, representing the name of the macro this context is | |
210 | for. If we are not in a macro context, then this is just NULL. | |
211 | Note that when tokens_kind is TOKEN_KIND_EXTENDED, the memory | |
212 | used by the instance of macro_context pointed to by this member | |
213 | is de-allocated upon de-allocation of the instance of struct | |
214 | cpp_context. */ | |
215 | union | |
216 | { | |
217 | macro_context *mc; | |
218 | cpp_hashnode *macro; | |
219 | } c; | |
4ed5bcfb | 220 | |
92582b75 TT |
221 | /* This determines the type of tokens held by this context. */ |
222 | enum context_tokens_kind tokens_kind; | |
8121d2c3 NB |
223 | }; |
224 | ||
225 | struct lexer_state | |
226 | { | |
227 | /* Nonzero if first token on line is CPP_HASH. */ | |
228 | unsigned char in_directive; | |
229 | ||
a8d0ddaf ZW |
230 | /* Nonzero if in a directive that will handle padding tokens itself. |
231 | #include needs this to avoid problems with computed include and | |
232 | spacing between tokens. */ | |
233 | unsigned char directive_wants_padding; | |
234 | ||
cef0d199 NB |
235 | /* True if we are skipping a failed conditional group. */ |
236 | unsigned char skipping; | |
237 | ||
8121d2c3 NB |
238 | /* Nonzero if in a directive that takes angle-bracketed headers. */ |
239 | unsigned char angled_headers; | |
240 | ||
d97371e0 NB |
241 | /* Nonzero if in a #if or #elif directive. */ |
242 | unsigned char in_expression; | |
243 | ||
8121d2c3 NB |
244 | /* Nonzero to save comments. Turned off if discard_comments, and in |
245 | all directives apart from #define. */ | |
246 | unsigned char save_comments; | |
247 | ||
fb771b9d | 248 | /* Nonzero if lexing __VA_ARGS__ and __VA_OPT__ are valid. */ |
8121d2c3 NB |
249 | unsigned char va_args_ok; |
250 | ||
251 | /* Nonzero if lexing poisoned identifiers is valid. */ | |
252 | unsigned char poisoned_ok; | |
253 | ||
254 | /* Nonzero to prevent macro expansion. */ | |
df383483 | 255 | unsigned char prevent_expansion; |
8121d2c3 NB |
256 | |
257 | /* Nonzero when parsing arguments to a function-like macro. */ | |
258 | unsigned char parsing_args; | |
87ed109f | 259 | |
a15f7cb8 ESR |
260 | /* Nonzero if in a __has_include__ or __has_include_next__ statement. */ |
261 | unsigned char in__has_include__; | |
262 | ||
c6e83800 ZW |
263 | /* Nonzero if prevent_expansion is true only because output is |
264 | being discarded. */ | |
265 | unsigned char discarding_output; | |
266 | ||
87ed109f NB |
267 | /* Nonzero to skip evaluating part of an expression. */ |
268 | unsigned int skip_eval; | |
bc4071dd RH |
269 | |
270 | /* Nonzero when handling a deferred pragma. */ | |
271 | unsigned char in_deferred_pragma; | |
272 | ||
273 | /* Nonzero if the deferred pragma being handled allows macro expansion. */ | |
274 | unsigned char pragma_allow_expansion; | |
8121d2c3 NB |
275 | }; |
276 | ||
277 | /* Special nodes - identifiers with predefined significance. */ | |
278 | struct spec_nodes | |
279 | { | |
8121d2c3 | 280 | cpp_hashnode *n_defined; /* defined operator */ |
037313ae ZW |
281 | cpp_hashnode *n_true; /* C++ keyword true */ |
282 | cpp_hashnode *n_false; /* C++ keyword false */ | |
8121d2c3 | 283 | cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */ |
fb771b9d | 284 | cpp_hashnode *n__VA_OPT__; /* C++ vararg macros */ |
a15f7cb8 ESR |
285 | cpp_hashnode *n__has_include__; /* __has_include__ operator */ |
286 | cpp_hashnode *n__has_include_next__; /* __has_include_next__ operator */ | |
8121d2c3 NB |
287 | }; |
288 | ||
26aea073 NB |
289 | typedef struct _cpp_line_note _cpp_line_note; |
290 | struct _cpp_line_note | |
291 | { | |
292 | /* Location in the clean line the note refers to. */ | |
c812785a | 293 | const unsigned char *pos; |
26aea073 | 294 | |
41c32c98 NB |
295 | /* Type of note. The 9 'from' trigraph characters represent those |
296 | trigraphs, '\\' an escaped newline, ' ' an escaped newline with | |
00a81b8b JM |
297 | intervening space, 0 represents a note that has already been handled, |
298 | and anything else is invalid. */ | |
41c32c98 | 299 | unsigned int type; |
26aea073 NB |
300 | }; |
301 | ||
5d8ebbd8 | 302 | /* Represents the contents of a file cpplib has read in. */ |
27e2564a NB |
303 | struct cpp_buffer |
304 | { | |
c812785a RS |
305 | const unsigned char *cur; /* Current location. */ |
306 | const unsigned char *line_base; /* Start of current physical line. */ | |
307 | const unsigned char *next_line; /* Start of to-be-cleaned logical line. */ | |
cf551fba | 308 | |
c812785a RS |
309 | const unsigned char *buf; /* Entire character buffer. */ |
310 | const unsigned char *rlimit; /* Writable byte at end of file. */ | |
28937f11 JJ |
311 | const unsigned char *to_free; /* Pointer that should be freed when |
312 | popping the buffer. */ | |
26aea073 | 313 | |
c812785a RS |
314 | _cpp_line_note *notes; /* Array of notes. */ |
315 | unsigned int cur_note; /* Next note to process. */ | |
316 | unsigned int notes_used; /* Number of notes. */ | |
317 | unsigned int notes_cap; /* Size of allocated array. */ | |
27e2564a | 318 | |
27e2564a NB |
319 | struct cpp_buffer *prev; |
320 | ||
8f9b4009 NB |
321 | /* Pointer into the file table; non-NULL if this is a file buffer. |
322 | Used for include_next and to record control macros. */ | |
323 | struct _cpp_file *file; | |
27e2564a | 324 | |
be8ac3e2 GZ |
325 | /* Saved value of __TIMESTAMP__ macro - date and time of last modification |
326 | of the assotiated file. */ | |
327 | const unsigned char *timestamp; | |
328 | ||
27e2564a NB |
329 | /* Value of if_stack at start of this file. |
330 | Used to prohibit unmatched #endif (etc) in an include file. */ | |
331 | struct if_stack *if_stack; | |
332 | ||
26aea073 NB |
333 | /* True if we need to get the next clean line. */ |
334 | bool need_line; | |
27e2564a NB |
335 | |
336 | /* True if we have already warned about C++ comments in this file. | |
337 | The warning happens only for C89 extended mode with -pedantic on, | |
338 | or for -Wtraditional, and only once per file (otherwise it would | |
339 | be far too noisy). */ | |
12f9df4e | 340 | unsigned int warned_cplusplus_comments : 1; |
27e2564a NB |
341 | |
342 | /* True if we don't process trigraphs and escaped newlines. True | |
343 | for preprocessed input, command line directives, and _Pragma | |
344 | buffers. */ | |
12f9df4e | 345 | unsigned int from_stage3 : 1; |
27e2564a | 346 | |
22234f56 PB |
347 | /* At EOF, a buffer is automatically popped. If RETURN_AT_EOF is |
348 | true, a CPP_EOF token is then returned. Otherwise, the next | |
349 | token from the enclosing buffer is returned. */ | |
350 | unsigned int return_at_eof : 1; | |
ba133c96 | 351 | |
12f9df4e | 352 | /* One for a system header, two for a C system header file that therefore |
9ac97460 | 353 | needs to be extern "C" protected in C++, and zero otherwise. */ |
12f9df4e PB |
354 | unsigned char sysp; |
355 | ||
591e15a1 NB |
356 | /* The directory of the this buffer's file. Its NAME member is not |
357 | allocated, so we don't need to worry about freeing it. */ | |
8f9b4009 | 358 | struct cpp_dir dir; |
004cb263 | 359 | |
cf551fba EC |
360 | /* Descriptor for converting from the input character set to the |
361 | source character set. */ | |
362 | struct cset_converter input_cset_desc; | |
27e2564a NB |
363 | }; |
364 | ||
17e7cb85 KT |
365 | /* The list of saved macros by push_macro pragma. */ |
366 | struct def_pragma_macro { | |
367 | /* Chain element to previous saved macro. */ | |
368 | struct def_pragma_macro *next; | |
369 | /* Name of the macro. */ | |
370 | char *name; | |
371 | /* The stored macro content. */ | |
d6874138 KT |
372 | unsigned char *definition; |
373 | ||
374 | /* Definition line number. */ | |
375 | source_location line; | |
376 | /* If macro defined in system header. */ | |
377 | unsigned int syshdr : 1; | |
378 | /* Nonzero if it has been expanded or had its existence tested. */ | |
379 | unsigned int used : 1; | |
380 | ||
381 | /* Mark if we save an undefined macro. */ | |
382 | unsigned int is_undef : 1; | |
17e7cb85 KT |
383 | }; |
384 | ||
8121d2c3 NB |
385 | /* A cpp_reader encapsulates the "state" of a pre-processor run. |
386 | Applying cpp_get_token repeatedly yields a stream of pre-processor | |
387 | tokens. Usually, there is only one cpp_reader object active. */ | |
8121d2c3 NB |
388 | struct cpp_reader |
389 | { | |
390 | /* Top of buffer stack. */ | |
391 | cpp_buffer *buffer; | |
392 | ||
d97371e0 NB |
393 | /* Overlaid buffer (can be different after processing #include). */ |
394 | cpp_buffer *overlaid_buffer; | |
395 | ||
8121d2c3 NB |
396 | /* Lexer state. */ |
397 | struct lexer_state state; | |
398 | ||
67821e3a | 399 | /* Source line tracking. */ |
50f59cd7 | 400 | struct line_maps *line_table; |
1444f2ed | 401 | |
50410426 | 402 | /* The line of the '#' of the current directive. */ |
f58f7def | 403 | source_location directive_line; |
8121d2c3 | 404 | |
b8af0ca5 | 405 | /* Memory buffers. */ |
8c3b2693 | 406 | _cpp_buff *a_buff; /* Aligned permanent storage. */ |
ece54d54 NB |
407 | _cpp_buff *u_buff; /* Unaligned permanent storage. */ |
408 | _cpp_buff *free_buffs; /* Free buffer chain. */ | |
b8af0ca5 | 409 | |
8121d2c3 NB |
410 | /* Context stack. */ |
411 | struct cpp_context base_context; | |
412 | struct cpp_context *context; | |
413 | ||
414 | /* If in_directive, the directive if known. */ | |
415 | const struct directive *directive; | |
416 | ||
21b11495 ZW |
417 | /* Token generated while handling a directive, if any. */ |
418 | cpp_token directive_result; | |
419 | ||
5ffeb913 TT |
420 | /* When expanding a macro at top-level, this is the location of the |
421 | macro invocation. */ | |
422 | source_location invocation_location; | |
423 | ||
f8abc9ba DS |
424 | /* This is the node representing the macro being expanded at |
425 | top-level. The value of this data member is valid iff | |
426 | in_macro_expansion_p() returns TRUE. */ | |
427 | cpp_hashnode *top_most_macro_node; | |
428 | ||
828a7f76 DS |
429 | /* Nonzero if we are about to expand a macro. Note that if we are |
430 | really expanding a macro, the function macro_of_context returns | |
431 | the macro being expanded and this flag is set to false. Client | |
432 | code should use the function in_macro_expansion_p to know if we | |
433 | are either about to expand a macro, or are actually expanding | |
434 | one. */ | |
435 | bool about_to_expand_macro_p; | |
5ffeb913 | 436 | |
5793b276 | 437 | /* Search paths for include files. */ |
8f9b4009 NB |
438 | struct cpp_dir *quote_include; /* "" */ |
439 | struct cpp_dir *bracket_include; /* <> */ | |
440 | struct cpp_dir no_search_path; /* No path. */ | |
441 | ||
49634b3a NB |
442 | /* Chain of all hashed _cpp_file instances. */ |
443 | struct _cpp_file *all_files; | |
8f9b4009 | 444 | |
4dc299fb PB |
445 | struct _cpp_file *main_file; |
446 | ||
8f9b4009 | 447 | /* File and directory hash table. */ |
bf42e45b | 448 | struct htab *file_hash; |
a23ee064 | 449 | struct htab *dir_hash; |
97f6bd40 | 450 | struct file_hash_entry_pool *file_hash_entries; |
8f9b4009 | 451 | |
0b4cafec ILT |
452 | /* Negative path lookup hash table. */ |
453 | struct htab *nonexistent_file_hash; | |
454 | struct obstack nonexistent_file_ob; | |
455 | ||
8f9b4009 NB |
456 | /* Nonzero means don't look for #include "foo" the source-file |
457 | directory. */ | |
458 | bool quote_ignores_source_dir; | |
459 | ||
83a00410 | 460 | /* Nonzero if any file has contained #pragma once or #import has |
49634b3a NB |
461 | been used. */ |
462 | bool seen_once_only; | |
5793b276 | 463 | |
6356f892 | 464 | /* Multiple include optimization. */ |
8121d2c3 NB |
465 | const cpp_hashnode *mi_cmacro; |
466 | const cpp_hashnode *mi_ind_cmacro; | |
6d18adbc | 467 | bool mi_valid; |
8121d2c3 | 468 | |
5fddcffc NB |
469 | /* Lexing. */ |
470 | cpp_token *cur_token; | |
471 | tokenrun base_run, *cur_run; | |
bdcbe496 | 472 | unsigned int lookaheads; |
5fddcffc | 473 | |
da7d8304 | 474 | /* Nonzero prevents the lexer from re-using the token runs. */ |
5fddcffc NB |
475 | unsigned int keep_tokens; |
476 | ||
8121d2c3 NB |
477 | /* Buffer to hold macro definition string. */ |
478 | unsigned char *macro_buffer; | |
479 | unsigned int macro_buffer_len; | |
480 | ||
6b88314c ZW |
481 | /* Descriptor for converting from the source character set to the |
482 | execution character set. */ | |
483 | struct cset_converter narrow_cset_desc; | |
e6cc3a24 | 484 | |
2c6e3f55 JJ |
485 | /* Descriptor for converting from the source character set to the |
486 | UTF-8 execution character set. */ | |
487 | struct cset_converter utf8_cset_desc; | |
488 | ||
b6baa67d KVH |
489 | /* Descriptor for converting from the source character set to the |
490 | UTF-16 execution character set. */ | |
491 | struct cset_converter char16_cset_desc; | |
492 | ||
493 | /* Descriptor for converting from the source character set to the | |
494 | UTF-32 execution character set. */ | |
495 | struct cset_converter char32_cset_desc; | |
496 | ||
6b88314c ZW |
497 | /* Descriptor for converting from the source character set to the |
498 | wide execution character set. */ | |
499 | struct cset_converter wide_cset_desc; | |
e6cc3a24 | 500 | |
278c4662 | 501 | /* Date and time text. Calculated together if either is requested. */ |
c812785a RS |
502 | const unsigned char *date; |
503 | const unsigned char *time; | |
8121d2c3 | 504 | |
174f6622 | 505 | /* Externally set timestamp to replace current date and time useful for |
15c98b2e ES |
506 | reproducibility. It should be initialized to -2 (not yet set) and |
507 | set to -1 to disable it or to a non-negative value to enable it. */ | |
174f6622 ES |
508 | time_t source_date_epoch; |
509 | ||
4ed5bcfb NB |
510 | /* EOF token, and a token forcing paste avoidance. */ |
511 | cpp_token avoid_paste; | |
512 | cpp_token eof; | |
513 | ||
f4ff5a69 | 514 | /* Opaque handle to the dependencies of mkdeps.c. */ |
8121d2c3 NB |
515 | struct deps *deps; |
516 | ||
517 | /* Obstack holding all macro hash nodes. This never shrinks. | |
a2566ae9 | 518 | See identifiers.c */ |
2a967f3d | 519 | struct obstack hash_ob; |
8121d2c3 NB |
520 | |
521 | /* Obstack holding buffer and conditional structures. This is a | |
a2566ae9 | 522 | real stack. See directives.c. */ |
2a967f3d | 523 | struct obstack buffer_ob; |
8121d2c3 NB |
524 | |
525 | /* Pragma table - dynamic, because a library user can add to the | |
526 | list of recognized pragmas. */ | |
527 | struct pragma_entry *pragmas; | |
528 | ||
48c4721e | 529 | /* Call backs to cpplib client. */ |
8121d2c3 NB |
530 | struct cpp_callbacks cb; |
531 | ||
df383483 | 532 | /* Identifier hash table. */ |
2a967f3d NB |
533 | struct ht *hash_table; |
534 | ||
87ed109f NB |
535 | /* Expression parser stack. */ |
536 | struct op *op_stack, *op_limit; | |
537 | ||
8121d2c3 NB |
538 | /* User visible options. */ |
539 | struct cpp_options opts; | |
540 | ||
541 | /* Special nodes - identifiers with predefined significance to the | |
542 | preprocessor. */ | |
543 | struct spec_nodes spec_nodes; | |
544 | ||
2a967f3d | 545 | /* Whether cpplib owns the hashtable. */ |
8f9b4009 | 546 | bool our_hashtable; |
004cb263 | 547 | |
1a76916c NB |
548 | /* Traditional preprocessing output buffer (a logical line). */ |
549 | struct | |
550 | { | |
c812785a RS |
551 | unsigned char *base; |
552 | unsigned char *limit; | |
553 | unsigned char *cur; | |
f58f7def | 554 | source_location first_line; |
1a76916c NB |
555 | } out; |
556 | ||
a2566ae9 | 557 | /* Used for buffer overlays by traditional.c. */ |
c812785a | 558 | const unsigned char *saved_cur, *saved_rlimit, *saved_line_base; |
12f9df4e | 559 | |
17211ab5 GK |
560 | /* A saved list of the defined macros, for dependency checking |
561 | of precompiled headers. */ | |
562 | struct cpp_savedstate *savedstate; | |
a702045a OW |
563 | |
564 | /* Next value of __COUNTER__ macro. */ | |
565 | unsigned int counter; | |
631d0d36 MG |
566 | |
567 | /* Table of comments, when state.save_comments is true. */ | |
568 | cpp_comment_table comments; | |
17e7cb85 KT |
569 | |
570 | /* List of saved macros by push_macro. */ | |
571 | struct def_pragma_macro *pushed_macros; | |
e3dfef44 GC |
572 | |
573 | /* If non-null, the lexer will use this location for the next token | |
574 | instead of getting a location from the linemap. */ | |
575 | source_location *forced_token_location_p; | |
8121d2c3 NB |
576 | }; |
577 | ||
f6bbde28 | 578 | /* Character classes. Based on the more primitive macros in safe-ctype.h. |
88ae23e7 | 579 | If the definition of `numchar' looks odd to you, please look up the |
91fcd158 NB |
580 | definition of a pp-number in the C standard [section 6.4.8 of C99]. |
581 | ||
582 | In the unlikely event that characters other than \r and \n enter | |
a2566ae9 | 583 | the set is_vspace, the macro handle_newline() in lex.c must be |
91fcd158 | 584 | updated. */ |
ae79697b | 585 | #define _dollar_ok(x) ((x) == '$' && CPP_OPTION (pfile, dollars_in_ident)) |
88ae23e7 | 586 | |
f6bbde28 ZW |
587 | #define is_idchar(x) (ISIDNUM(x) || _dollar_ok(x)) |
588 | #define is_numchar(x) ISIDNUM(x) | |
589 | #define is_idstart(x) (ISIDST(x) || _dollar_ok(x)) | |
590 | #define is_numstart(x) ISDIGIT(x) | |
591 | #define is_hspace(x) ISBLANK(x) | |
592 | #define is_vspace(x) IS_VSPACE(x) | |
593 | #define is_nvspace(x) IS_NVSPACE(x) | |
594 | #define is_space(x) IS_SPACE_OR_NUL(x) | |
88ae23e7 | 595 | |
f6bbde28 | 596 | /* This table is constant if it can be initialized at compile time, |
88ae23e7 ZW |
597 | which is the case if cpp was compiled with GCC >=2.7, or another |
598 | compiler that supports C99. */ | |
61d0346d | 599 | #if HAVE_DESIGNATED_INITIALIZERS |
61d0346d | 600 | extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1]; |
88ae23e7 | 601 | #else |
61d0346d | 602 | extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1]; |
88ae23e7 ZW |
603 | #endif |
604 | ||
c5d725c0 NS |
605 | #if !defined (HAVE_UCHAR) && !defined (IN_GCC) |
606 | typedef unsigned char uchar; | |
607 | #endif | |
608 | ||
609 | #define UC (const uchar *) /* Intended use: UC"string" */ | |
610 | ||
88ae23e7 ZW |
611 | /* Macros. */ |
612 | ||
12f9df4e PB |
613 | static inline int cpp_in_system_header (cpp_reader *); |
614 | static inline int | |
615 | cpp_in_system_header (cpp_reader *pfile) | |
616 | { | |
617 | return pfile->buffer ? pfile->buffer->sysp : 0; | |
618 | } | |
e3339d0f JM |
619 | #define CPP_PEDANTIC(PF) CPP_OPTION (PF, cpp_pedantic) |
620 | #define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, cpp_warn_traditional) | |
88ae23e7 | 621 | |
705e2d28 TT |
622 | static inline int cpp_in_primary_file (cpp_reader *); |
623 | static inline int | |
624 | cpp_in_primary_file (cpp_reader *pfile) | |
625 | { | |
626 | return pfile->line_table->depth == 1; | |
627 | } | |
628 | ||
a2566ae9 | 629 | /* In macro.c */ |
3f6677f4 NS |
630 | extern void _cpp_notify_macro_use (cpp_reader *pfile, cpp_hashnode *node); |
631 | inline void _cpp_maybe_notify_macro_use (cpp_reader *pfile, cpp_hashnode *node) | |
632 | { | |
633 | if (!(node->flags & NODE_USED)) | |
634 | _cpp_notify_macro_use (pfile, node); | |
635 | } | |
10f04917 | 636 | extern cpp_macro *_cpp_new_macro (cpp_reader *, cpp_macro_kind, void *); |
6cf87ca4 ZW |
637 | extern void _cpp_free_definition (cpp_hashnode *); |
638 | extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *); | |
639 | extern void _cpp_pop_context (cpp_reader *); | |
640 | extern void _cpp_push_text_context (cpp_reader *, cpp_hashnode *, | |
c812785a | 641 | const unsigned char *, size_t); |
729a01f7 | 642 | extern bool _cpp_save_parameter (cpp_reader *, unsigned, cpp_hashnode *, |
be5ffc59 | 643 | cpp_hashnode *); |
729a01f7 | 644 | extern void _cpp_unsave_parameters (cpp_reader *, unsigned); |
6cf87ca4 ZW |
645 | extern bool _cpp_arguments_ok (cpp_reader *, cpp_macro *, const cpp_hashnode *, |
646 | unsigned int); | |
c812785a | 647 | extern const unsigned char *_cpp_builtin_macro_text (cpp_reader *, |
64824205 RH |
648 | cpp_hashnode *, |
649 | source_location = 0); | |
bc4071dd RH |
650 | extern int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *); |
651 | extern void _cpp_push_token_context (cpp_reader *, cpp_hashnode *, | |
652 | const cpp_token *, unsigned int); | |
5950c3c9 | 653 | extern void _cpp_backup_tokens_direct (cpp_reader *, unsigned int); |
bc4071dd | 654 | |
a2566ae9 | 655 | /* In identifiers.c */ |
0823efed | 656 | extern void _cpp_init_hashtable (cpp_reader *, cpp_hash_table *); |
6cf87ca4 | 657 | extern void _cpp_destroy_hashtable (cpp_reader *); |
bb52fa7f | 658 | |
a2566ae9 | 659 | /* In files.c */ |
4dc299fb | 660 | typedef struct _cpp_file _cpp_file; |
6568f34b | 661 | extern _cpp_file *_cpp_find_file (cpp_reader *, const char *, cpp_dir *, |
ac81cf0b | 662 | bool, int, bool, source_location); |
4dc299fb | 663 | extern bool _cpp_find_failed (_cpp_file *); |
49634b3a | 664 | extern void _cpp_mark_file_once_only (cpp_reader *, struct _cpp_file *); |
6cf87ca4 | 665 | extern void _cpp_fake_include (cpp_reader *, const char *); |
ac81cf0b DM |
666 | extern bool _cpp_stack_file (cpp_reader *, _cpp_file*, bool, |
667 | source_location); | |
8f9b4009 | 668 | extern bool _cpp_stack_include (cpp_reader *, const char *, int, |
ac81cf0b | 669 | enum include_type, source_location); |
6cf87ca4 ZW |
670 | extern int _cpp_compare_file_date (cpp_reader *, const char *, int); |
671 | extern void _cpp_report_missing_guards (cpp_reader *); | |
8f9b4009 NB |
672 | extern void _cpp_init_files (cpp_reader *); |
673 | extern void _cpp_cleanup_files (cpp_reader *); | |
28937f11 JJ |
674 | extern void _cpp_pop_file_buffer (cpp_reader *, struct _cpp_file *, |
675 | const unsigned char *); | |
73e61092 GK |
676 | extern bool _cpp_save_file_entries (cpp_reader *pfile, FILE *f); |
677 | extern bool _cpp_read_file_entries (cpp_reader *, FILE *); | |
b492b686 | 678 | extern const char *_cpp_get_file_name (_cpp_file *); |
be8ac3e2 | 679 | extern struct stat *_cpp_get_file_stat (_cpp_file *); |
a15f7cb8 ESR |
680 | extern bool _cpp_has_header (cpp_reader *, const char *, int, |
681 | enum include_type); | |
88ae23e7 | 682 | |
a2566ae9 | 683 | /* In expr.c */ |
d750887f | 684 | extern bool _cpp_parse_expr (cpp_reader *, bool); |
6cf87ca4 | 685 | extern struct op *_cpp_expand_op_stack (cpp_reader *); |
88ae23e7 | 686 | |
a2566ae9 | 687 | /* In lex.c */ |
6cf87ca4 ZW |
688 | extern void _cpp_process_line_notes (cpp_reader *, int); |
689 | extern void _cpp_clean_line (cpp_reader *); | |
690 | extern bool _cpp_get_fresh_line (cpp_reader *); | |
691 | extern bool _cpp_skip_block_comment (cpp_reader *); | |
692 | extern cpp_token *_cpp_temp_token (cpp_reader *); | |
693 | extern const cpp_token *_cpp_lex_token (cpp_reader *); | |
694 | extern cpp_token *_cpp_lex_direct (cpp_reader *); | |
be5ffc59 | 695 | extern unsigned char *_cpp_spell_ident_ucns (unsigned char *, cpp_hashnode *); |
6cf87ca4 ZW |
696 | extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *); |
697 | extern void _cpp_init_tokenrun (tokenrun *, unsigned int); | |
17e7cb85 | 698 | extern cpp_hashnode *_cpp_lex_identifier (cpp_reader *, const char *); |
ad2305ad | 699 | extern int _cpp_remaining_tokens_num_in_context (cpp_context *); |
b0c084b7 | 700 | extern void _cpp_init_lexer (void); |
10f04917 NS |
701 | static inline void *_cpp_reserve_room (cpp_reader *pfile, size_t have, |
702 | size_t extra) | |
703 | { | |
704 | if (BUFF_ROOM (pfile->a_buff) < (have + extra)) | |
705 | _cpp_extend_buff (pfile, &pfile->a_buff, extra); | |
706 | return BUFF_FRONT (pfile->a_buff); | |
707 | } | |
708 | extern void *_cpp_commit_buff (cpp_reader *pfile, size_t size); | |
45b966db | 709 | |
a2566ae9 | 710 | /* In init.c. */ |
6cf87ca4 | 711 | extern void _cpp_maybe_push_include_file (cpp_reader *); |
cfc93532 | 712 | extern const char *cpp_named_operator2name (enum cpp_ttype type); |
d7bc7a98 | 713 | |
a2566ae9 | 714 | /* In directives.c */ |
6cf87ca4 ZW |
715 | extern int _cpp_test_assertion (cpp_reader *, unsigned int *); |
716 | extern int _cpp_handle_directive (cpp_reader *, int); | |
717 | extern void _cpp_define_builtin (cpp_reader *, const char *); | |
718 | extern char ** _cpp_save_pragma_names (cpp_reader *); | |
719 | extern void _cpp_restore_pragma_names (cpp_reader *, char **); | |
0afff540 | 720 | extern int _cpp_do__Pragma (cpp_reader *, source_location); |
6cf87ca4 ZW |
721 | extern void _cpp_init_directives (cpp_reader *); |
722 | extern void _cpp_init_internal_pragmas (cpp_reader *); | |
723 | extern void _cpp_do_file_change (cpp_reader *, enum lc_reason, const char *, | |
1bb64668 | 724 | linenum_type, unsigned int); |
6cf87ca4 | 725 | extern void _cpp_pop_buffer (cpp_reader *); |
a15f7cb8 | 726 | extern char *_cpp_bracket_include (cpp_reader *); |
12cf91fe | 727 | |
ccfc4c91 OW |
728 | /* In directives.c */ |
729 | struct _cpp_dir_only_callbacks | |
730 | { | |
731 | /* Called to print a block of lines. */ | |
732 | void (*print_lines) (int, const void *, size_t); | |
c65e18d3 | 733 | bool (*maybe_print_line) (source_location); |
ccfc4c91 OW |
734 | }; |
735 | ||
736 | extern void _cpp_preprocess_dir_only (cpp_reader *, | |
737 | const struct _cpp_dir_only_callbacks *); | |
738 | ||
a2566ae9 | 739 | /* In traditional.c. */ |
fb136e35 | 740 | extern bool _cpp_scan_out_logical_line (cpp_reader *, cpp_macro *, bool); |
6cf87ca4 | 741 | extern bool _cpp_read_logical_line_trad (cpp_reader *); |
c812785a RS |
742 | extern void _cpp_overlay_buffer (cpp_reader *pfile, const unsigned char *, |
743 | size_t); | |
6cf87ca4 | 744 | extern void _cpp_remove_overlay (cpp_reader *); |
10f04917 | 745 | extern cpp_macro *_cpp_create_trad_definition (cpp_reader *); |
6cf87ca4 ZW |
746 | extern bool _cpp_expansions_different_trad (const cpp_macro *, |
747 | const cpp_macro *); | |
c812785a RS |
748 | extern unsigned char *_cpp_copy_replacement_text (const cpp_macro *, |
749 | unsigned char *); | |
6cf87ca4 | 750 | extern size_t _cpp_replacement_text_len (const cpp_macro *); |
004cb263 | 751 | |
a2566ae9 | 752 | /* In charset.c. */ |
50668cf6 GK |
753 | |
754 | /* The normalization state at this point in the sequence. | |
755 | It starts initialized to all zeros, and at the end | |
756 | 'level' is the normalization level of the sequence. */ | |
757 | ||
758 | struct normalize_state | |
759 | { | |
d3f4ff8b | 760 | /* The previous starter character. */ |
50668cf6 | 761 | cppchar_t previous; |
d3f4ff8b JM |
762 | /* The combining class of the previous character (whether or not a |
763 | starter). */ | |
50668cf6 GK |
764 | unsigned char prev_class; |
765 | /* The lowest normalization level so far. */ | |
766 | enum cpp_normalize_level level; | |
767 | }; | |
768 | #define INITIAL_NORMALIZE_STATE { 0, 0, normalized_KC } | |
769 | #define NORMALIZE_STATE_RESULT(st) ((st)->level) | |
770 | ||
d3f4ff8b | 771 | /* We saw a character C that matches ISIDNUM(), update a |
50668cf6 | 772 | normalize_state appropriately. */ |
d3f4ff8b JM |
773 | #define NORMALIZE_STATE_UPDATE_IDNUM(st, c) \ |
774 | ((st)->previous = (c), (st)->prev_class = 0) | |
50668cf6 | 775 | |
fbb22910 PC |
776 | extern bool _cpp_valid_ucn (cpp_reader *, const unsigned char **, |
777 | const unsigned char *, int, | |
778 | struct normalize_state *state, | |
88fa5555 DM |
779 | cppchar_t *, |
780 | source_range *char_range, | |
781 | cpp_string_location_reader *loc_reader); | |
6b88314c | 782 | extern void _cpp_destroy_iconv (cpp_reader *); |
c812785a RS |
783 | extern unsigned char *_cpp_convert_input (cpp_reader *, const char *, |
784 | unsigned char *, size_t, size_t, | |
688e7a53 | 785 | const unsigned char **, off_t *); |
16dd5cfe | 786 | extern const char *_cpp_default_encoding (void); |
47e20491 GK |
787 | extern cpp_hashnode * _cpp_interpret_identifier (cpp_reader *pfile, |
788 | const unsigned char *id, | |
789 | size_t len); | |
1613e52b | 790 | |
c31a6508 | 791 | /* Utility routines and macros. */ |
c812785a | 792 | #define DSC(str) (const unsigned char *)str, sizeof str - 1 |
c31a6508 | 793 | |
8121d2c3 NB |
794 | /* These are inline functions instead of macros so we can get type |
795 | checking. */ | |
c812785a RS |
796 | static inline int ustrcmp (const unsigned char *, const unsigned char *); |
797 | static inline int ustrncmp (const unsigned char *, const unsigned char *, | |
798 | size_t); | |
799 | static inline size_t ustrlen (const unsigned char *); | |
0c1dace3 PC |
800 | static inline const unsigned char *uxstrdup (const unsigned char *); |
801 | static inline const unsigned char *ustrchr (const unsigned char *, int); | |
c812785a | 802 | static inline int ufputs (const unsigned char *, FILE *); |
8121d2c3 | 803 | |
be0f1e54 PB |
804 | /* Use a const char for the second parameter since it is usually a literal. */ |
805 | static inline int ustrcspn (const unsigned char *, const char *); | |
806 | ||
8121d2c3 | 807 | static inline int |
c812785a | 808 | ustrcmp (const unsigned char *s1, const unsigned char *s2) |
8121d2c3 NB |
809 | { |
810 | return strcmp ((const char *)s1, (const char *)s2); | |
811 | } | |
812 | ||
813 | static inline int | |
c812785a | 814 | ustrncmp (const unsigned char *s1, const unsigned char *s2, size_t n) |
8121d2c3 NB |
815 | { |
816 | return strncmp ((const char *)s1, (const char *)s2, n); | |
817 | } | |
818 | ||
be0f1e54 PB |
819 | static inline int |
820 | ustrcspn (const unsigned char *s1, const char *s2) | |
821 | { | |
822 | return strcspn ((const char *)s1, s2); | |
823 | } | |
824 | ||
8121d2c3 | 825 | static inline size_t |
c812785a | 826 | ustrlen (const unsigned char *s1) |
8121d2c3 NB |
827 | { |
828 | return strlen ((const char *)s1); | |
829 | } | |
830 | ||
0c1dace3 | 831 | static inline const unsigned char * |
c812785a | 832 | uxstrdup (const unsigned char *s1) |
8121d2c3 | 833 | { |
0c1dace3 | 834 | return (const unsigned char *) xstrdup ((const char *)s1); |
8121d2c3 NB |
835 | } |
836 | ||
0c1dace3 | 837 | static inline const unsigned char * |
c812785a | 838 | ustrchr (const unsigned char *s1, int c) |
8121d2c3 | 839 | { |
0c1dace3 | 840 | return (const unsigned char *) strchr ((const char *)s1, c); |
8121d2c3 NB |
841 | } |
842 | ||
843 | static inline int | |
c812785a | 844 | ufputs (const unsigned char *s, FILE *f) |
8121d2c3 NB |
845 | { |
846 | return fputs ((const char *)s, f); | |
847 | } | |
848 | ||
46427374 TT |
849 | /* In line-map.c. */ |
850 | ||
851 | /* Create a macro map. A macro map encodes source locations of tokens | |
852 | that are part of a macro replacement-list, at a macro expansion | |
853 | point. See the extensive comments of struct line_map and struct | |
854 | line_map_macro, in line-map.h. | |
855 | ||
856 | This map shall be created when the macro is expanded. The map | |
857 | encodes the source location of the expansion point of the macro as | |
858 | well as the "original" source location of each token that is part | |
859 | of the macro replacement-list. If a macro is defined but never | |
860 | expanded, it has no macro map. SET is the set of maps the macro | |
861 | map should be part of. MACRO_NODE is the macro which the new macro | |
862 | map should encode source locations for. EXPANSION is the location | |
863 | of the expansion point of MACRO. For function-like macros | |
864 | invocations, it's best to make it point to the closing parenthesis | |
865 | of the macro, rather than the the location of the first character | |
866 | of the macro. NUM_TOKENS is the number of tokens that are part of | |
867 | the replacement-list of MACRO. */ | |
0e50b624 DM |
868 | const line_map_macro *linemap_enter_macro (struct line_maps *, |
869 | struct cpp_hashnode*, | |
870 | source_location, | |
871 | unsigned int); | |
46427374 TT |
872 | |
873 | /* Create and return a virtual location for a token that is part of a | |
874 | macro expansion-list at a macro expansion point. See the comment | |
875 | inside struct line_map_macro to see what an expansion-list exactly | |
876 | is. | |
877 | ||
878 | A call to this function must come after a call to | |
879 | linemap_enter_macro. | |
880 | ||
881 | MAP is the map into which the source location is created. TOKEN_NO | |
882 | is the index of the token in the macro replacement-list, starting | |
883 | at number 0. | |
884 | ||
885 | ORIG_LOC is the location of the token outside of this macro | |
886 | expansion. If the token comes originally from the macro | |
887 | definition, it is the locus in the macro definition; otherwise it | |
888 | is a location in the context of the caller of this macro expansion | |
889 | (which is a virtual location or a source location if the caller is | |
890 | itself a macro expansion or not). | |
891 | ||
892 | MACRO_DEFINITION_LOC is the location in the macro definition, | |
893 | either of the token itself or of a macro parameter that it | |
894 | replaces. */ | |
0e50b624 | 895 | source_location linemap_add_macro_token (const line_map_macro *, |
46427374 TT |
896 | unsigned int, |
897 | source_location, | |
898 | source_location); | |
899 | ||
900 | /* Return the source line number corresponding to source location | |
901 | LOCATION. SET is the line map set LOCATION comes from. If | |
902 | LOCATION is the location of token that is part of the | |
903 | expansion-list of a macro expansion return the line number of the | |
904 | macro expansion point. */ | |
905 | int linemap_get_expansion_line (struct line_maps *, | |
906 | source_location); | |
907 | ||
908 | /* Return the path of the file corresponding to source code location | |
909 | LOCATION. | |
910 | ||
911 | If LOCATION is the location of a token that is part of the | |
912 | replacement-list of a macro expansion return the file path of the | |
913 | macro expansion point. | |
914 | ||
915 | SET is the line map set LOCATION comes from. */ | |
916 | const char* linemap_get_expansion_filename (struct line_maps *, | |
917 | source_location); | |
918 | ||
4851089f ILT |
919 | #ifdef __cplusplus |
920 | } | |
921 | #endif | |
922 | ||
4f4e53dd | 923 | #endif /* ! LIBCPP_INTERNAL_H */ |