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88ae23e7 | 1 | /* Part of CPP library. |
99dee823 | 2 | Copyright (C) 1997-2021 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; |
eccec868 JM |
51 | const char* from; |
52 | const char* to; | |
6b88314c | 53 | }; |
8121d2c3 | 54 | |
4268e8bb NB |
55 | #define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t)) |
56 | ||
93c80368 NB |
57 | /* Test if a sign is valid within a preprocessing number. */ |
58 | #define VALID_SIGN(c, prevc) \ | |
59 | (((c) == '+' || (c) == '-') && \ | |
60 | ((prevc) == 'e' || (prevc) == 'E' \ | |
bdb05a7b NB |
61 | || (((prevc) == 'p' || (prevc) == 'P') \ |
62 | && CPP_OPTION (pfile, extended_numbers)))) | |
93c80368 | 63 | |
7057e645 ESR |
64 | #define DIGIT_SEP(c) ((c) == '\'' && CPP_OPTION (pfile, digit_separators)) |
65 | ||
8121d2c3 NB |
66 | #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION) |
67 | #define CPP_BUFFER(PFILE) ((PFILE)->buffer) | |
26aea073 | 68 | #define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base) |
8121d2c3 NB |
69 | #define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur) |
70 | ||
12f9df4e | 71 | #define CPP_INCREMENT_LINE(PFILE, COLS_HINT) do { \ |
99b1c316 | 72 | const class line_maps *line_table = PFILE->line_table; \ |
0e50b624 | 73 | const struct line_map_ordinary *map = \ |
46427374 | 74 | LINEMAPS_LAST_ORDINARY_MAP (line_table); \ |
1bb64668 | 75 | linenum_type line = SOURCE_LINE (map, line_table->highest_line); \ |
500bee0a | 76 | linemap_line_start (PFILE->line_table, line + 1, COLS_HINT); \ |
12f9df4e PB |
77 | } while (0) |
78 | ||
c70f6ed3 NB |
79 | /* Host alignment handling. */ |
80 | struct dummy | |
81 | { | |
82 | char c; | |
83 | union | |
84 | { | |
85 | double d; | |
86 | int *p; | |
87 | } u; | |
88 | }; | |
89 | ||
90 | #define DEFAULT_ALIGNMENT offsetof (struct dummy, u) | |
91 | #define CPP_ALIGN2(size, align) (((size) + ((align) - 1)) & ~((align) - 1)) | |
92 | #define CPP_ALIGN(size) CPP_ALIGN2 (size, DEFAULT_ALIGNMENT) | |
93 | ||
3f6677f4 NS |
94 | #define _cpp_mark_macro_used(NODE) \ |
95 | (cpp_user_macro_p (NODE) ? (NODE)->value.macro->used = 1 : 0) | |
a69cbaac | 96 | |
644eddaa | 97 | /* A generic memory buffer, and operations on it. */ |
b8af0ca5 NB |
98 | typedef struct _cpp_buff _cpp_buff; |
99 | struct _cpp_buff | |
100 | { | |
101 | struct _cpp_buff *next; | |
ece54d54 | 102 | unsigned char *base, *cur, *limit; |
b8af0ca5 NB |
103 | }; |
104 | ||
6cf87ca4 ZW |
105 | extern _cpp_buff *_cpp_get_buff (cpp_reader *, size_t); |
106 | extern void _cpp_release_buff (cpp_reader *, _cpp_buff *); | |
107 | extern void _cpp_extend_buff (cpp_reader *, _cpp_buff **, size_t); | |
108 | extern _cpp_buff *_cpp_append_extend_buff (cpp_reader *, _cpp_buff *, size_t); | |
109 | extern void _cpp_free_buff (_cpp_buff *); | |
110 | extern unsigned char *_cpp_aligned_alloc (cpp_reader *, size_t); | |
111 | extern unsigned char *_cpp_unaligned_alloc (cpp_reader *, size_t); | |
644eddaa | 112 | |
8c3b2693 | 113 | #define BUFF_ROOM(BUFF) (size_t) ((BUFF)->limit - (BUFF)->cur) |
ece54d54 NB |
114 | #define BUFF_FRONT(BUFF) ((BUFF)->cur) |
115 | #define BUFF_LIMIT(BUFF) ((BUFF)->limit) | |
b8af0ca5 | 116 | |
ba133c96 | 117 | /* #include types. */ |
a0be978a NS |
118 | enum include_type |
119 | { | |
120 | /* Directive-based including mechanisms. */ | |
121 | IT_INCLUDE, /* #include */ | |
122 | IT_INCLUDE_NEXT, /* #include_next */ | |
123 | IT_IMPORT, /* #import */ | |
124 | ||
125 | /* Non-directive including mechanisms. */ | |
126 | IT_CMDLINE, /* -include */ | |
127 | IT_DEFAULT, /* forced header */ | |
6bf2ff0d | 128 | IT_MAIN, /* main, start on line 1 */ |
d1c566d7 NS |
129 | IT_PRE_MAIN, /* main, but there will be a preamble before line |
130 | 1 */ | |
b0d11f1e NS |
131 | |
132 | IT_DIRECTIVE_HWM = IT_IMPORT + 1, /* Directives below this. */ | |
68710ac7 | 133 | IT_HEADER_HWM = IT_DEFAULT + 1 /* Header files below this. */ |
a0be978a | 134 | }; |
ba133c96 | 135 | |
4ed5bcfb | 136 | union utoken |
8121d2c3 | 137 | { |
4ed5bcfb NB |
138 | const cpp_token *token; |
139 | const cpp_token **ptoken; | |
8121d2c3 NB |
140 | }; |
141 | ||
5d8ebbd8 | 142 | /* A "run" of tokens; part of a chain of runs. */ |
5fddcffc NB |
143 | typedef struct tokenrun tokenrun; |
144 | struct tokenrun | |
145 | { | |
bdcbe496 | 146 | tokenrun *next, *prev; |
5fddcffc NB |
147 | cpp_token *base, *limit; |
148 | }; | |
149 | ||
82eda77e | 150 | /* Accessor macros for struct cpp_context. */ |
79ba5e3b NB |
151 | #define FIRST(c) ((c)->u.iso.first) |
152 | #define LAST(c) ((c)->u.iso.last) | |
153 | #define CUR(c) ((c)->u.trad.cur) | |
154 | #define RLIMIT(c) ((c)->u.trad.rlimit) | |
82eda77e | 155 | |
92582b75 TT |
156 | /* This describes some additional data that is added to the macro |
157 | token context of type cpp_context, when -ftrack-macro-expansion is | |
158 | on. */ | |
159 | typedef struct | |
160 | { | |
161 | /* The node of the macro we are referring to. */ | |
162 | cpp_hashnode *macro_node; | |
163 | /* This buffer contains an array of virtual locations. The virtual | |
164 | location at index 0 is the virtual location of the token at index | |
165 | 0 in the current instance of cpp_context; similarly for all the | |
166 | other virtual locations. */ | |
620e594b | 167 | location_t *virt_locs; |
92582b75 TT |
168 | /* This is a pointer to the current virtual location. This is used |
169 | to iterate over the virtual locations while we iterate over the | |
170 | tokens they belong to. */ | |
620e594b | 171 | location_t *cur_virt_loc; |
92582b75 TT |
172 | } macro_context; |
173 | ||
174 | /* The kind of tokens carried by a cpp_context. */ | |
175 | enum context_tokens_kind { | |
176 | /* This is the value of cpp_context::tokens_kind if u.iso.first | |
177 | contains an instance of cpp_token **. */ | |
178 | TOKENS_KIND_INDIRECT, | |
179 | /* This is the value of cpp_context::tokens_kind if u.iso.first | |
180 | contains an instance of cpp_token *. */ | |
181 | TOKENS_KIND_DIRECT, | |
182 | /* This is the value of cpp_context::tokens_kind when the token | |
183 | context contains tokens resulting from macro expansion. In that | |
184 | case struct cpp_context::macro points to an instance of struct | |
185 | macro_context. This is used only when the | |
186 | -ftrack-macro-expansion flag is on. */ | |
187 | TOKENS_KIND_EXTENDED | |
188 | }; | |
189 | ||
8121d2c3 NB |
190 | typedef struct cpp_context cpp_context; |
191 | struct cpp_context | |
192 | { | |
193 | /* Doubly-linked list. */ | |
194 | cpp_context *next, *prev; | |
195 | ||
82eda77e NB |
196 | union |
197 | { | |
198 | /* For ISO macro expansion. Contexts other than the base context | |
199 | are contiguous tokens. e.g. macro expansions, expanded | |
200 | argument tokens. */ | |
201 | struct | |
202 | { | |
203 | union utoken first; | |
204 | union utoken last; | |
205 | } iso; | |
206 | ||
207 | /* For traditional macro expansion. */ | |
208 | struct | |
209 | { | |
c812785a RS |
210 | const unsigned char *cur; |
211 | const unsigned char *rlimit; | |
82eda77e NB |
212 | } trad; |
213 | } u; | |
8121d2c3 | 214 | |
1e013d2e | 215 | /* If non-NULL, a buffer used for storage related to this context. |
c9e7a609 | 216 | When the context is popped, the buffer is released. */ |
1e013d2e NB |
217 | _cpp_buff *buff; |
218 | ||
92582b75 TT |
219 | /* If tokens_kind is TOKEN_KIND_EXTENDED, then (as we thus are in a |
220 | macro context) this is a pointer to an instance of macro_context. | |
221 | Otherwise if tokens_kind is *not* TOKEN_KIND_EXTENDED, then, if | |
222 | we are in a macro context, this is a pointer to an instance of | |
223 | cpp_hashnode, representing the name of the macro this context is | |
224 | for. If we are not in a macro context, then this is just NULL. | |
225 | Note that when tokens_kind is TOKEN_KIND_EXTENDED, the memory | |
226 | used by the instance of macro_context pointed to by this member | |
227 | is de-allocated upon de-allocation of the instance of struct | |
228 | cpp_context. */ | |
229 | union | |
230 | { | |
231 | macro_context *mc; | |
232 | cpp_hashnode *macro; | |
233 | } c; | |
4ed5bcfb | 234 | |
92582b75 TT |
235 | /* This determines the type of tokens held by this context. */ |
236 | enum context_tokens_kind tokens_kind; | |
8121d2c3 NB |
237 | }; |
238 | ||
239 | struct lexer_state | |
240 | { | |
056f95ec NS |
241 | /* 1 if we're handling a directive. 2 if it's an include-like |
242 | directive. */ | |
8121d2c3 NB |
243 | unsigned char in_directive; |
244 | ||
a8d0ddaf ZW |
245 | /* Nonzero if in a directive that will handle padding tokens itself. |
246 | #include needs this to avoid problems with computed include and | |
247 | spacing between tokens. */ | |
248 | unsigned char directive_wants_padding; | |
249 | ||
cef0d199 NB |
250 | /* True if we are skipping a failed conditional group. */ |
251 | unsigned char skipping; | |
252 | ||
8121d2c3 NB |
253 | /* Nonzero if in a directive that takes angle-bracketed headers. */ |
254 | unsigned char angled_headers; | |
255 | ||
d97371e0 NB |
256 | /* Nonzero if in a #if or #elif directive. */ |
257 | unsigned char in_expression; | |
258 | ||
8121d2c3 NB |
259 | /* Nonzero to save comments. Turned off if discard_comments, and in |
260 | all directives apart from #define. */ | |
261 | unsigned char save_comments; | |
262 | ||
fb771b9d | 263 | /* Nonzero if lexing __VA_ARGS__ and __VA_OPT__ are valid. */ |
8121d2c3 NB |
264 | unsigned char va_args_ok; |
265 | ||
266 | /* Nonzero if lexing poisoned identifiers is valid. */ | |
267 | unsigned char poisoned_ok; | |
268 | ||
269 | /* Nonzero to prevent macro expansion. */ | |
df383483 | 270 | unsigned char prevent_expansion; |
8121d2c3 NB |
271 | |
272 | /* Nonzero when parsing arguments to a function-like macro. */ | |
273 | unsigned char parsing_args; | |
87ed109f | 274 | |
c6e83800 ZW |
275 | /* Nonzero if prevent_expansion is true only because output is |
276 | being discarded. */ | |
277 | unsigned char discarding_output; | |
278 | ||
87ed109f NB |
279 | /* Nonzero to skip evaluating part of an expression. */ |
280 | unsigned int skip_eval; | |
bc4071dd | 281 | |
7cf3f604 | 282 | /* Nonzero when tokenizing a deferred pragma. */ |
bc4071dd RH |
283 | unsigned char in_deferred_pragma; |
284 | ||
c9c3d5f2 NS |
285 | /* Count to token that is a header-name. */ |
286 | unsigned char directive_file_token; | |
287 | ||
bc4071dd RH |
288 | /* Nonzero if the deferred pragma being handled allows macro expansion. */ |
289 | unsigned char pragma_allow_expansion; | |
8121d2c3 NB |
290 | }; |
291 | ||
292 | /* Special nodes - identifiers with predefined significance. */ | |
293 | struct spec_nodes | |
294 | { | |
8121d2c3 | 295 | cpp_hashnode *n_defined; /* defined operator */ |
037313ae ZW |
296 | cpp_hashnode *n_true; /* C++ keyword true */ |
297 | cpp_hashnode *n_false; /* C++ keyword false */ | |
8121d2c3 | 298 | cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */ |
fb771b9d | 299 | cpp_hashnode *n__VA_OPT__; /* C++ vararg macros */ |
c9c3d5f2 NS |
300 | |
301 | enum {M_EXPORT, M_MODULE, M_IMPORT, M__IMPORT, M_HWM}; | |
302 | ||
303 | /* C++20 modules, only set when module_directives is in effect. | |
304 | incoming variants [0], outgoing ones [1] */ | |
305 | cpp_hashnode *n_modules[M_HWM][2]; | |
8121d2c3 NB |
306 | }; |
307 | ||
26aea073 NB |
308 | typedef struct _cpp_line_note _cpp_line_note; |
309 | struct _cpp_line_note | |
310 | { | |
311 | /* Location in the clean line the note refers to. */ | |
c812785a | 312 | const unsigned char *pos; |
26aea073 | 313 | |
41c32c98 NB |
314 | /* Type of note. The 9 'from' trigraph characters represent those |
315 | trigraphs, '\\' an escaped newline, ' ' an escaped newline with | |
00a81b8b JM |
316 | intervening space, 0 represents a note that has already been handled, |
317 | and anything else is invalid. */ | |
41c32c98 | 318 | unsigned int type; |
26aea073 NB |
319 | }; |
320 | ||
5d8ebbd8 | 321 | /* Represents the contents of a file cpplib has read in. */ |
27e2564a NB |
322 | struct cpp_buffer |
323 | { | |
c812785a RS |
324 | const unsigned char *cur; /* Current location. */ |
325 | const unsigned char *line_base; /* Start of current physical line. */ | |
326 | const unsigned char *next_line; /* Start of to-be-cleaned logical line. */ | |
cf551fba | 327 | |
c812785a RS |
328 | const unsigned char *buf; /* Entire character buffer. */ |
329 | const unsigned char *rlimit; /* Writable byte at end of file. */ | |
28937f11 JJ |
330 | const unsigned char *to_free; /* Pointer that should be freed when |
331 | popping the buffer. */ | |
26aea073 | 332 | |
c812785a RS |
333 | _cpp_line_note *notes; /* Array of notes. */ |
334 | unsigned int cur_note; /* Next note to process. */ | |
335 | unsigned int notes_used; /* Number of notes. */ | |
336 | unsigned int notes_cap; /* Size of allocated array. */ | |
27e2564a | 337 | |
27e2564a NB |
338 | struct cpp_buffer *prev; |
339 | ||
8f9b4009 NB |
340 | /* Pointer into the file table; non-NULL if this is a file buffer. |
341 | Used for include_next and to record control macros. */ | |
342 | struct _cpp_file *file; | |
27e2564a | 343 | |
be8ac3e2 GZ |
344 | /* Saved value of __TIMESTAMP__ macro - date and time of last modification |
345 | of the assotiated file. */ | |
346 | const unsigned char *timestamp; | |
347 | ||
27e2564a NB |
348 | /* Value of if_stack at start of this file. |
349 | Used to prohibit unmatched #endif (etc) in an include file. */ | |
350 | struct if_stack *if_stack; | |
351 | ||
26aea073 | 352 | /* True if we need to get the next clean line. */ |
a0be978a | 353 | bool need_line : 1; |
27e2564a NB |
354 | |
355 | /* True if we have already warned about C++ comments in this file. | |
356 | The warning happens only for C89 extended mode with -pedantic on, | |
357 | or for -Wtraditional, and only once per file (otherwise it would | |
358 | be far too noisy). */ | |
a0be978a | 359 | bool warned_cplusplus_comments : 1; |
27e2564a NB |
360 | |
361 | /* True if we don't process trigraphs and escaped newlines. True | |
362 | for preprocessed input, command line directives, and _Pragma | |
363 | buffers. */ | |
a0be978a | 364 | bool from_stage3 : 1; |
27e2564a | 365 | |
22234f56 PB |
366 | /* At EOF, a buffer is automatically popped. If RETURN_AT_EOF is |
367 | true, a CPP_EOF token is then returned. Otherwise, the next | |
368 | token from the enclosing buffer is returned. */ | |
a0be978a | 369 | bool return_at_eof : 1; |
ba133c96 | 370 | |
12f9df4e | 371 | /* One for a system header, two for a C system header file that therefore |
9ac97460 | 372 | needs to be extern "C" protected in C++, and zero otherwise. */ |
12f9df4e PB |
373 | unsigned char sysp; |
374 | ||
591e15a1 NB |
375 | /* The directory of the this buffer's file. Its NAME member is not |
376 | allocated, so we don't need to worry about freeing it. */ | |
8f9b4009 | 377 | struct cpp_dir dir; |
004cb263 | 378 | |
cf551fba EC |
379 | /* Descriptor for converting from the input character set to the |
380 | source character set. */ | |
381 | struct cset_converter input_cset_desc; | |
27e2564a NB |
382 | }; |
383 | ||
17e7cb85 KT |
384 | /* The list of saved macros by push_macro pragma. */ |
385 | struct def_pragma_macro { | |
386 | /* Chain element to previous saved macro. */ | |
387 | struct def_pragma_macro *next; | |
388 | /* Name of the macro. */ | |
389 | char *name; | |
390 | /* The stored macro content. */ | |
d6874138 KT |
391 | unsigned char *definition; |
392 | ||
393 | /* Definition line number. */ | |
620e594b | 394 | location_t line; |
d6874138 KT |
395 | /* If macro defined in system header. */ |
396 | unsigned int syshdr : 1; | |
397 | /* Nonzero if it has been expanded or had its existence tested. */ | |
398 | unsigned int used : 1; | |
399 | ||
400 | /* Mark if we save an undefined macro. */ | |
401 | unsigned int is_undef : 1; | |
aa23e73b JJ |
402 | /* Nonzero if it was a builtin macro. */ |
403 | unsigned int is_builtin : 1; | |
17e7cb85 KT |
404 | }; |
405 | ||
8121d2c3 NB |
406 | /* A cpp_reader encapsulates the "state" of a pre-processor run. |
407 | Applying cpp_get_token repeatedly yields a stream of pre-processor | |
408 | tokens. Usually, there is only one cpp_reader object active. */ | |
8121d2c3 NB |
409 | struct cpp_reader |
410 | { | |
411 | /* Top of buffer stack. */ | |
412 | cpp_buffer *buffer; | |
413 | ||
d97371e0 NB |
414 | /* Overlaid buffer (can be different after processing #include). */ |
415 | cpp_buffer *overlaid_buffer; | |
416 | ||
8121d2c3 NB |
417 | /* Lexer state. */ |
418 | struct lexer_state state; | |
419 | ||
67821e3a | 420 | /* Source line tracking. */ |
99b1c316 | 421 | class line_maps *line_table; |
1444f2ed | 422 | |
50410426 | 423 | /* The line of the '#' of the current directive. */ |
620e594b | 424 | location_t directive_line; |
8121d2c3 | 425 | |
b8af0ca5 | 426 | /* Memory buffers. */ |
8c3b2693 | 427 | _cpp_buff *a_buff; /* Aligned permanent storage. */ |
ece54d54 NB |
428 | _cpp_buff *u_buff; /* Unaligned permanent storage. */ |
429 | _cpp_buff *free_buffs; /* Free buffer chain. */ | |
b8af0ca5 | 430 | |
8121d2c3 NB |
431 | /* Context stack. */ |
432 | struct cpp_context base_context; | |
433 | struct cpp_context *context; | |
434 | ||
435 | /* If in_directive, the directive if known. */ | |
436 | const struct directive *directive; | |
437 | ||
21b11495 ZW |
438 | /* Token generated while handling a directive, if any. */ |
439 | cpp_token directive_result; | |
440 | ||
5ffeb913 TT |
441 | /* When expanding a macro at top-level, this is the location of the |
442 | macro invocation. */ | |
620e594b | 443 | location_t invocation_location; |
5ffeb913 | 444 | |
f8abc9ba DS |
445 | /* This is the node representing the macro being expanded at |
446 | top-level. The value of this data member is valid iff | |
a0be978a | 447 | cpp_in_macro_expansion_p() returns TRUE. */ |
f8abc9ba DS |
448 | cpp_hashnode *top_most_macro_node; |
449 | ||
828a7f76 DS |
450 | /* Nonzero if we are about to expand a macro. Note that if we are |
451 | really expanding a macro, the function macro_of_context returns | |
452 | the macro being expanded and this flag is set to false. Client | |
a0be978a | 453 | code should use the function cpp_in_macro_expansion_p to know if we |
828a7f76 DS |
454 | are either about to expand a macro, or are actually expanding |
455 | one. */ | |
456 | bool about_to_expand_macro_p; | |
5ffeb913 | 457 | |
5793b276 | 458 | /* Search paths for include files. */ |
8f9b4009 NB |
459 | struct cpp_dir *quote_include; /* "" */ |
460 | struct cpp_dir *bracket_include; /* <> */ | |
461 | struct cpp_dir no_search_path; /* No path. */ | |
462 | ||
49634b3a NB |
463 | /* Chain of all hashed _cpp_file instances. */ |
464 | struct _cpp_file *all_files; | |
8f9b4009 | 465 | |
4dc299fb PB |
466 | struct _cpp_file *main_file; |
467 | ||
8f9b4009 | 468 | /* File and directory hash table. */ |
bf42e45b | 469 | struct htab *file_hash; |
a23ee064 | 470 | struct htab *dir_hash; |
97f6bd40 | 471 | struct file_hash_entry_pool *file_hash_entries; |
8f9b4009 | 472 | |
0b4cafec ILT |
473 | /* Negative path lookup hash table. */ |
474 | struct htab *nonexistent_file_hash; | |
475 | struct obstack nonexistent_file_ob; | |
476 | ||
8f9b4009 NB |
477 | /* Nonzero means don't look for #include "foo" the source-file |
478 | directory. */ | |
479 | bool quote_ignores_source_dir; | |
480 | ||
83a00410 | 481 | /* Nonzero if any file has contained #pragma once or #import has |
49634b3a NB |
482 | been used. */ |
483 | bool seen_once_only; | |
5793b276 | 484 | |
6356f892 | 485 | /* Multiple include optimization. */ |
8121d2c3 NB |
486 | const cpp_hashnode *mi_cmacro; |
487 | const cpp_hashnode *mi_ind_cmacro; | |
6d18adbc | 488 | bool mi_valid; |
8121d2c3 | 489 | |
5fddcffc NB |
490 | /* Lexing. */ |
491 | cpp_token *cur_token; | |
492 | tokenrun base_run, *cur_run; | |
bdcbe496 | 493 | unsigned int lookaheads; |
5fddcffc | 494 | |
da7d8304 | 495 | /* Nonzero prevents the lexer from re-using the token runs. */ |
5fddcffc NB |
496 | unsigned int keep_tokens; |
497 | ||
8121d2c3 NB |
498 | /* Buffer to hold macro definition string. */ |
499 | unsigned char *macro_buffer; | |
500 | unsigned int macro_buffer_len; | |
501 | ||
6b88314c ZW |
502 | /* Descriptor for converting from the source character set to the |
503 | execution character set. */ | |
504 | struct cset_converter narrow_cset_desc; | |
e6cc3a24 | 505 | |
2c6e3f55 JJ |
506 | /* Descriptor for converting from the source character set to the |
507 | UTF-8 execution character set. */ | |
508 | struct cset_converter utf8_cset_desc; | |
509 | ||
b6baa67d KVH |
510 | /* Descriptor for converting from the source character set to the |
511 | UTF-16 execution character set. */ | |
512 | struct cset_converter char16_cset_desc; | |
513 | ||
514 | /* Descriptor for converting from the source character set to the | |
515 | UTF-32 execution character set. */ | |
516 | struct cset_converter char32_cset_desc; | |
517 | ||
6b88314c ZW |
518 | /* Descriptor for converting from the source character set to the |
519 | wide execution character set. */ | |
520 | struct cset_converter wide_cset_desc; | |
e6cc3a24 | 521 | |
278c4662 | 522 | /* Date and time text. Calculated together if either is requested. */ |
c812785a RS |
523 | const unsigned char *date; |
524 | const unsigned char *time; | |
8121d2c3 | 525 | |
4b5f564a NS |
526 | /* Time stamp, set idempotently lazily. */ |
527 | time_t time_stamp; | |
528 | int time_stamp_kind; /* Or errno. */ | |
174f6622 | 529 | |
5abe05b4 | 530 | /* A token forcing paste avoidance, and one demarking macro arguments. */ |
4ed5bcfb | 531 | cpp_token avoid_paste; |
5abe05b4 | 532 | cpp_token endarg; |
4ed5bcfb | 533 | |
f4ff5a69 | 534 | /* Opaque handle to the dependencies of mkdeps.c. */ |
99b1c316 | 535 | class mkdeps *deps; |
8121d2c3 NB |
536 | |
537 | /* Obstack holding all macro hash nodes. This never shrinks. | |
a2566ae9 | 538 | See identifiers.c */ |
2a967f3d | 539 | struct obstack hash_ob; |
8121d2c3 NB |
540 | |
541 | /* Obstack holding buffer and conditional structures. This is a | |
a2566ae9 | 542 | real stack. See directives.c. */ |
2a967f3d | 543 | struct obstack buffer_ob; |
8121d2c3 NB |
544 | |
545 | /* Pragma table - dynamic, because a library user can add to the | |
546 | list of recognized pragmas. */ | |
547 | struct pragma_entry *pragmas; | |
548 | ||
48c4721e | 549 | /* Call backs to cpplib client. */ |
8121d2c3 NB |
550 | struct cpp_callbacks cb; |
551 | ||
df383483 | 552 | /* Identifier hash table. */ |
2a967f3d NB |
553 | struct ht *hash_table; |
554 | ||
87ed109f NB |
555 | /* Expression parser stack. */ |
556 | struct op *op_stack, *op_limit; | |
557 | ||
8121d2c3 NB |
558 | /* User visible options. */ |
559 | struct cpp_options opts; | |
560 | ||
561 | /* Special nodes - identifiers with predefined significance to the | |
562 | preprocessor. */ | |
563 | struct spec_nodes spec_nodes; | |
564 | ||
2a967f3d | 565 | /* Whether cpplib owns the hashtable. */ |
8f9b4009 | 566 | bool our_hashtable; |
004cb263 | 567 | |
1a76916c NB |
568 | /* Traditional preprocessing output buffer (a logical line). */ |
569 | struct | |
570 | { | |
c812785a RS |
571 | unsigned char *base; |
572 | unsigned char *limit; | |
573 | unsigned char *cur; | |
620e594b | 574 | location_t first_line; |
1a76916c NB |
575 | } out; |
576 | ||
a2566ae9 | 577 | /* Used for buffer overlays by traditional.c. */ |
c812785a | 578 | const unsigned char *saved_cur, *saved_rlimit, *saved_line_base; |
12f9df4e | 579 | |
17211ab5 GK |
580 | /* A saved list of the defined macros, for dependency checking |
581 | of precompiled headers. */ | |
582 | struct cpp_savedstate *savedstate; | |
a702045a OW |
583 | |
584 | /* Next value of __COUNTER__ macro. */ | |
585 | unsigned int counter; | |
631d0d36 MG |
586 | |
587 | /* Table of comments, when state.save_comments is true. */ | |
588 | cpp_comment_table comments; | |
17e7cb85 KT |
589 | |
590 | /* List of saved macros by push_macro. */ | |
591 | struct def_pragma_macro *pushed_macros; | |
e3dfef44 | 592 | |
f3f6029d | 593 | /* If non-zero, the lexer will use this location for the next token |
e3dfef44 | 594 | instead of getting a location from the linemap. */ |
620e594b | 595 | location_t forced_token_location; |
9844497a NS |
596 | |
597 | /* Location identifying the main source file -- intended to be line | |
598 | zero of said file. */ | |
599 | location_t main_loc; | |
8121d2c3 NB |
600 | }; |
601 | ||
f6bbde28 | 602 | /* Character classes. Based on the more primitive macros in safe-ctype.h. |
88ae23e7 | 603 | If the definition of `numchar' looks odd to you, please look up the |
91fcd158 NB |
604 | definition of a pp-number in the C standard [section 6.4.8 of C99]. |
605 | ||
606 | In the unlikely event that characters other than \r and \n enter | |
a2566ae9 | 607 | the set is_vspace, the macro handle_newline() in lex.c must be |
91fcd158 | 608 | updated. */ |
ae79697b | 609 | #define _dollar_ok(x) ((x) == '$' && CPP_OPTION (pfile, dollars_in_ident)) |
88ae23e7 | 610 | |
f6bbde28 ZW |
611 | #define is_idchar(x) (ISIDNUM(x) || _dollar_ok(x)) |
612 | #define is_numchar(x) ISIDNUM(x) | |
613 | #define is_idstart(x) (ISIDST(x) || _dollar_ok(x)) | |
614 | #define is_numstart(x) ISDIGIT(x) | |
615 | #define is_hspace(x) ISBLANK(x) | |
616 | #define is_vspace(x) IS_VSPACE(x) | |
617 | #define is_nvspace(x) IS_NVSPACE(x) | |
618 | #define is_space(x) IS_SPACE_OR_NUL(x) | |
88ae23e7 | 619 | |
18f5df94 JJ |
620 | #define SEEN_EOL() (pfile->cur_token[-1].type == CPP_EOF) |
621 | ||
f6bbde28 | 622 | /* This table is constant if it can be initialized at compile time, |
88ae23e7 ZW |
623 | which is the case if cpp was compiled with GCC >=2.7, or another |
624 | compiler that supports C99. */ | |
61d0346d | 625 | #if HAVE_DESIGNATED_INITIALIZERS |
61d0346d | 626 | extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1]; |
88ae23e7 | 627 | #else |
61d0346d | 628 | extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1]; |
88ae23e7 ZW |
629 | #endif |
630 | ||
c5d725c0 NS |
631 | #if !defined (HAVE_UCHAR) && !defined (IN_GCC) |
632 | typedef unsigned char uchar; | |
633 | #endif | |
634 | ||
635 | #define UC (const uchar *) /* Intended use: UC"string" */ | |
636 | ||
bf425849 | 637 | /* Accessors. */ |
88ae23e7 | 638 | |
bf425849 NS |
639 | inline int |
640 | _cpp_in_system_header (cpp_reader *pfile) | |
12f9df4e PB |
641 | { |
642 | return pfile->buffer ? pfile->buffer->sysp : 0; | |
643 | } | |
e3339d0f JM |
644 | #define CPP_PEDANTIC(PF) CPP_OPTION (PF, cpp_pedantic) |
645 | #define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, cpp_warn_traditional) | |
88ae23e7 | 646 | |
bf425849 NS |
647 | /* Return true if we're in the main file (unless it's considered to be |
648 | an include file in its own right. */ | |
649 | inline int | |
650 | _cpp_in_main_source_file (cpp_reader *pfile) | |
705e2d28 | 651 | { |
9844497a NS |
652 | return (!CPP_OPTION (pfile, main_search) |
653 | && pfile->buffer->file == pfile->main_file); | |
705e2d28 TT |
654 | } |
655 | ||
ad1a3914 NS |
656 | /* True if NODE is a macro for the purposes of ifdef, defined etc. */ |
657 | inline bool _cpp_defined_macro_p (cpp_hashnode *node) | |
658 | { | |
659 | /* Do not treat conditional macros as being defined. This is due to | |
660 | the powerpc port using conditional macros for 'vector', 'bool', | |
661 | and 'pixel' to act as conditional keywords. This messes up tests | |
662 | like #ifndef bool. */ | |
663 | return cpp_macro_p (node) && !(node->flags & NODE_CONDITIONAL); | |
664 | } | |
665 | ||
a2566ae9 | 666 | /* In macro.c */ |
13f93cf5 NS |
667 | extern bool _cpp_notify_macro_use (cpp_reader *pfile, cpp_hashnode *node, |
668 | location_t); | |
669 | inline bool _cpp_maybe_notify_macro_use (cpp_reader *pfile, cpp_hashnode *node, | |
e9a2e208 | 670 | location_t loc) |
3f6677f4 NS |
671 | { |
672 | if (!(node->flags & NODE_USED)) | |
13f93cf5 NS |
673 | return _cpp_notify_macro_use (pfile, node, loc); |
674 | return true; | |
3f6677f4 | 675 | } |
10f04917 | 676 | extern cpp_macro *_cpp_new_macro (cpp_reader *, cpp_macro_kind, void *); |
6cf87ca4 ZW |
677 | extern void _cpp_free_definition (cpp_hashnode *); |
678 | extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *); | |
679 | extern void _cpp_pop_context (cpp_reader *); | |
680 | extern void _cpp_push_text_context (cpp_reader *, cpp_hashnode *, | |
c812785a | 681 | const unsigned char *, size_t); |
729a01f7 | 682 | extern bool _cpp_save_parameter (cpp_reader *, unsigned, cpp_hashnode *, |
be5ffc59 | 683 | cpp_hashnode *); |
729a01f7 | 684 | extern void _cpp_unsave_parameters (cpp_reader *, unsigned); |
6cf87ca4 ZW |
685 | extern bool _cpp_arguments_ok (cpp_reader *, cpp_macro *, const cpp_hashnode *, |
686 | unsigned int); | |
c812785a | 687 | extern const unsigned char *_cpp_builtin_macro_text (cpp_reader *, |
64824205 | 688 | cpp_hashnode *, |
620e594b | 689 | location_t = 0); |
bc4071dd RH |
690 | extern int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *); |
691 | extern void _cpp_push_token_context (cpp_reader *, cpp_hashnode *, | |
692 | const cpp_token *, unsigned int); | |
5950c3c9 | 693 | extern void _cpp_backup_tokens_direct (cpp_reader *, unsigned int); |
bc4071dd | 694 | |
a2566ae9 | 695 | /* In identifiers.c */ |
0823efed | 696 | extern void _cpp_init_hashtable (cpp_reader *, cpp_hash_table *); |
6cf87ca4 | 697 | extern void _cpp_destroy_hashtable (cpp_reader *); |
bb52fa7f | 698 | |
a2566ae9 | 699 | /* In files.c */ |
4623a6f2 NS |
700 | enum _cpp_find_file_kind |
701 | { _cpp_FFK_NORMAL, _cpp_FFK_FAKE, _cpp_FFK_PRE_INCLUDE, _cpp_FFK_HAS_INCLUDE }; | |
6568f34b | 702 | extern _cpp_file *_cpp_find_file (cpp_reader *, const char *, cpp_dir *, |
4623a6f2 | 703 | int angle, _cpp_find_file_kind, location_t); |
4dc299fb | 704 | extern bool _cpp_find_failed (_cpp_file *); |
49634b3a | 705 | extern void _cpp_mark_file_once_only (cpp_reader *, struct _cpp_file *); |
6cf87ca4 | 706 | extern void _cpp_fake_include (cpp_reader *, const char *); |
b0d11f1e | 707 | extern bool _cpp_stack_file (cpp_reader *, _cpp_file*, include_type, location_t); |
8f9b4009 | 708 | extern bool _cpp_stack_include (cpp_reader *, const char *, int, |
620e594b | 709 | enum include_type, location_t); |
6cf87ca4 ZW |
710 | extern int _cpp_compare_file_date (cpp_reader *, const char *, int); |
711 | extern void _cpp_report_missing_guards (cpp_reader *); | |
8f9b4009 NB |
712 | extern void _cpp_init_files (cpp_reader *); |
713 | extern void _cpp_cleanup_files (cpp_reader *); | |
28937f11 JJ |
714 | extern void _cpp_pop_file_buffer (cpp_reader *, struct _cpp_file *, |
715 | const unsigned char *); | |
73e61092 GK |
716 | extern bool _cpp_save_file_entries (cpp_reader *pfile, FILE *f); |
717 | extern bool _cpp_read_file_entries (cpp_reader *, FILE *); | |
b492b686 | 718 | extern const char *_cpp_get_file_name (_cpp_file *); |
be8ac3e2 | 719 | extern struct stat *_cpp_get_file_stat (_cpp_file *); |
a15f7cb8 ESR |
720 | extern bool _cpp_has_header (cpp_reader *, const char *, int, |
721 | enum include_type); | |
88ae23e7 | 722 | |
a2566ae9 | 723 | /* In expr.c */ |
d750887f | 724 | extern bool _cpp_parse_expr (cpp_reader *, bool); |
6cf87ca4 | 725 | extern struct op *_cpp_expand_op_stack (cpp_reader *); |
88ae23e7 | 726 | |
a2566ae9 | 727 | /* In lex.c */ |
6cf87ca4 ZW |
728 | extern void _cpp_process_line_notes (cpp_reader *, int); |
729 | extern void _cpp_clean_line (cpp_reader *); | |
730 | extern bool _cpp_get_fresh_line (cpp_reader *); | |
731 | extern bool _cpp_skip_block_comment (cpp_reader *); | |
732 | extern cpp_token *_cpp_temp_token (cpp_reader *); | |
733 | extern const cpp_token *_cpp_lex_token (cpp_reader *); | |
734 | extern cpp_token *_cpp_lex_direct (cpp_reader *); | |
be5ffc59 | 735 | extern unsigned char *_cpp_spell_ident_ucns (unsigned char *, cpp_hashnode *); |
6cf87ca4 ZW |
736 | extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *); |
737 | extern void _cpp_init_tokenrun (tokenrun *, unsigned int); | |
17e7cb85 | 738 | extern cpp_hashnode *_cpp_lex_identifier (cpp_reader *, const char *); |
ad2305ad | 739 | extern int _cpp_remaining_tokens_num_in_context (cpp_context *); |
b0c084b7 | 740 | extern void _cpp_init_lexer (void); |
10f04917 NS |
741 | static inline void *_cpp_reserve_room (cpp_reader *pfile, size_t have, |
742 | size_t extra) | |
743 | { | |
744 | if (BUFF_ROOM (pfile->a_buff) < (have + extra)) | |
745 | _cpp_extend_buff (pfile, &pfile->a_buff, extra); | |
746 | return BUFF_FRONT (pfile->a_buff); | |
747 | } | |
748 | extern void *_cpp_commit_buff (cpp_reader *pfile, size_t size); | |
45b966db | 749 | |
a2566ae9 | 750 | /* In init.c. */ |
6cf87ca4 | 751 | extern void _cpp_maybe_push_include_file (cpp_reader *); |
cfc93532 | 752 | extern const char *cpp_named_operator2name (enum cpp_ttype type); |
aa23e73b JJ |
753 | extern void _cpp_restore_special_builtin (cpp_reader *pfile, |
754 | struct def_pragma_macro *); | |
d7bc7a98 | 755 | |
a2566ae9 | 756 | /* In directives.c */ |
6cf87ca4 | 757 | extern int _cpp_test_assertion (cpp_reader *, unsigned int *); |
a0be978a | 758 | extern int _cpp_handle_directive (cpp_reader *, bool); |
6cf87ca4 ZW |
759 | extern void _cpp_define_builtin (cpp_reader *, const char *); |
760 | extern char ** _cpp_save_pragma_names (cpp_reader *); | |
761 | extern void _cpp_restore_pragma_names (cpp_reader *, char **); | |
620e594b | 762 | extern int _cpp_do__Pragma (cpp_reader *, location_t); |
6cf87ca4 ZW |
763 | extern void _cpp_init_directives (cpp_reader *); |
764 | extern void _cpp_init_internal_pragmas (cpp_reader *); | |
765 | extern void _cpp_do_file_change (cpp_reader *, enum lc_reason, const char *, | |
1bb64668 | 766 | linenum_type, unsigned int); |
6cf87ca4 | 767 | extern void _cpp_pop_buffer (cpp_reader *); |
a15f7cb8 | 768 | extern char *_cpp_bracket_include (cpp_reader *); |
12cf91fe | 769 | |
a2566ae9 | 770 | /* In traditional.c. */ |
fb136e35 | 771 | extern bool _cpp_scan_out_logical_line (cpp_reader *, cpp_macro *, bool); |
6cf87ca4 | 772 | extern bool _cpp_read_logical_line_trad (cpp_reader *); |
c812785a RS |
773 | extern void _cpp_overlay_buffer (cpp_reader *pfile, const unsigned char *, |
774 | size_t); | |
6cf87ca4 | 775 | extern void _cpp_remove_overlay (cpp_reader *); |
10f04917 | 776 | extern cpp_macro *_cpp_create_trad_definition (cpp_reader *); |
6cf87ca4 ZW |
777 | extern bool _cpp_expansions_different_trad (const cpp_macro *, |
778 | const cpp_macro *); | |
c812785a RS |
779 | extern unsigned char *_cpp_copy_replacement_text (const cpp_macro *, |
780 | unsigned char *); | |
6cf87ca4 | 781 | extern size_t _cpp_replacement_text_len (const cpp_macro *); |
004cb263 | 782 | |
a2566ae9 | 783 | /* In charset.c. */ |
50668cf6 GK |
784 | |
785 | /* The normalization state at this point in the sequence. | |
786 | It starts initialized to all zeros, and at the end | |
787 | 'level' is the normalization level of the sequence. */ | |
788 | ||
789 | struct normalize_state | |
790 | { | |
d3f4ff8b | 791 | /* The previous starter character. */ |
50668cf6 | 792 | cppchar_t previous; |
d3f4ff8b JM |
793 | /* The combining class of the previous character (whether or not a |
794 | starter). */ | |
50668cf6 GK |
795 | unsigned char prev_class; |
796 | /* The lowest normalization level so far. */ | |
797 | enum cpp_normalize_level level; | |
798 | }; | |
799 | #define INITIAL_NORMALIZE_STATE { 0, 0, normalized_KC } | |
800 | #define NORMALIZE_STATE_RESULT(st) ((st)->level) | |
801 | ||
d3f4ff8b | 802 | /* We saw a character C that matches ISIDNUM(), update a |
50668cf6 | 803 | normalize_state appropriately. */ |
d3f4ff8b JM |
804 | #define NORMALIZE_STATE_UPDATE_IDNUM(st, c) \ |
805 | ((st)->previous = (c), (st)->prev_class = 0) | |
50668cf6 | 806 | |
fbb22910 PC |
807 | extern bool _cpp_valid_ucn (cpp_reader *, const unsigned char **, |
808 | const unsigned char *, int, | |
809 | struct normalize_state *state, | |
88fa5555 DM |
810 | cppchar_t *, |
811 | source_range *char_range, | |
812 | cpp_string_location_reader *loc_reader); | |
7d112d66 LH |
813 | |
814 | extern bool _cpp_valid_utf8 (cpp_reader *pfile, | |
815 | const uchar **pstr, | |
816 | const uchar *limit, | |
817 | int identifier_pos, | |
818 | struct normalize_state *nst, | |
819 | cppchar_t *cp); | |
820 | ||
6b88314c | 821 | extern void _cpp_destroy_iconv (cpp_reader *); |
c812785a RS |
822 | extern unsigned char *_cpp_convert_input (cpp_reader *, const char *, |
823 | unsigned char *, size_t, size_t, | |
688e7a53 | 824 | const unsigned char **, off_t *); |
16dd5cfe | 825 | extern const char *_cpp_default_encoding (void); |
47e20491 GK |
826 | extern cpp_hashnode * _cpp_interpret_identifier (cpp_reader *pfile, |
827 | const unsigned char *id, | |
828 | size_t len); | |
1613e52b | 829 | |
c31a6508 | 830 | /* Utility routines and macros. */ |
c812785a | 831 | #define DSC(str) (const unsigned char *)str, sizeof str - 1 |
c31a6508 | 832 | |
8121d2c3 NB |
833 | /* These are inline functions instead of macros so we can get type |
834 | checking. */ | |
c812785a RS |
835 | static inline int ustrcmp (const unsigned char *, const unsigned char *); |
836 | static inline int ustrncmp (const unsigned char *, const unsigned char *, | |
837 | size_t); | |
838 | static inline size_t ustrlen (const unsigned char *); | |
0c1dace3 PC |
839 | static inline const unsigned char *uxstrdup (const unsigned char *); |
840 | static inline const unsigned char *ustrchr (const unsigned char *, int); | |
c812785a | 841 | static inline int ufputs (const unsigned char *, FILE *); |
8121d2c3 | 842 | |
be0f1e54 PB |
843 | /* Use a const char for the second parameter since it is usually a literal. */ |
844 | static inline int ustrcspn (const unsigned char *, const char *); | |
845 | ||
8121d2c3 | 846 | static inline int |
c812785a | 847 | ustrcmp (const unsigned char *s1, const unsigned char *s2) |
8121d2c3 NB |
848 | { |
849 | return strcmp ((const char *)s1, (const char *)s2); | |
850 | } | |
851 | ||
852 | static inline int | |
c812785a | 853 | ustrncmp (const unsigned char *s1, const unsigned char *s2, size_t n) |
8121d2c3 NB |
854 | { |
855 | return strncmp ((const char *)s1, (const char *)s2, n); | |
856 | } | |
857 | ||
be0f1e54 PB |
858 | static inline int |
859 | ustrcspn (const unsigned char *s1, const char *s2) | |
860 | { | |
861 | return strcspn ((const char *)s1, s2); | |
862 | } | |
863 | ||
8121d2c3 | 864 | static inline size_t |
c812785a | 865 | ustrlen (const unsigned char *s1) |
8121d2c3 NB |
866 | { |
867 | return strlen ((const char *)s1); | |
868 | } | |
869 | ||
0c1dace3 | 870 | static inline const unsigned char * |
c812785a | 871 | uxstrdup (const unsigned char *s1) |
8121d2c3 | 872 | { |
0c1dace3 | 873 | return (const unsigned char *) xstrdup ((const char *)s1); |
8121d2c3 NB |
874 | } |
875 | ||
0c1dace3 | 876 | static inline const unsigned char * |
c812785a | 877 | ustrchr (const unsigned char *s1, int c) |
8121d2c3 | 878 | { |
0c1dace3 | 879 | return (const unsigned char *) strchr ((const char *)s1, c); |
8121d2c3 NB |
880 | } |
881 | ||
882 | static inline int | |
c812785a | 883 | ufputs (const unsigned char *s, FILE *f) |
8121d2c3 NB |
884 | { |
885 | return fputs ((const char *)s, f); | |
886 | } | |
887 | ||
1f8ac759 | 888 | /* In line-map.c. */ |
46427374 TT |
889 | |
890 | /* Create and return a virtual location for a token that is part of a | |
891 | macro expansion-list at a macro expansion point. See the comment | |
892 | inside struct line_map_macro to see what an expansion-list exactly | |
893 | is. | |
894 | ||
895 | A call to this function must come after a call to | |
896 | linemap_enter_macro. | |
897 | ||
898 | MAP is the map into which the source location is created. TOKEN_NO | |
899 | is the index of the token in the macro replacement-list, starting | |
900 | at number 0. | |
901 | ||
902 | ORIG_LOC is the location of the token outside of this macro | |
903 | expansion. If the token comes originally from the macro | |
904 | definition, it is the locus in the macro definition; otherwise it | |
905 | is a location in the context of the caller of this macro expansion | |
906 | (which is a virtual location or a source location if the caller is | |
907 | itself a macro expansion or not). | |
908 | ||
909 | MACRO_DEFINITION_LOC is the location in the macro definition, | |
910 | either of the token itself or of a macro parameter that it | |
911 | replaces. */ | |
620e594b DM |
912 | location_t linemap_add_macro_token (const line_map_macro *, |
913 | unsigned int, | |
914 | location_t, | |
915 | location_t); | |
46427374 TT |
916 | |
917 | /* Return the source line number corresponding to source location | |
918 | LOCATION. SET is the line map set LOCATION comes from. If | |
919 | LOCATION is the location of token that is part of the | |
920 | expansion-list of a macro expansion return the line number of the | |
921 | macro expansion point. */ | |
99b1c316 | 922 | int linemap_get_expansion_line (class line_maps *, |
620e594b | 923 | location_t); |
46427374 TT |
924 | |
925 | /* Return the path of the file corresponding to source code location | |
926 | LOCATION. | |
927 | ||
928 | If LOCATION is the location of a token that is part of the | |
929 | replacement-list of a macro expansion return the file path of the | |
930 | macro expansion point. | |
931 | ||
932 | SET is the line map set LOCATION comes from. */ | |
99b1c316 | 933 | const char* linemap_get_expansion_filename (class line_maps *, |
620e594b | 934 | location_t); |
46427374 | 935 | |
4851089f ILT |
936 | #ifdef __cplusplus |
937 | } | |
938 | #endif | |
939 | ||
4f4e53dd | 940 | #endif /* ! LIBCPP_INTERNAL_H */ |