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5f0f4a3b | 1 | /* Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. |
a1968bf9 JD |
2 | |
3 | This file is part of GCC. | |
4 | ||
5 | GCC is free software; you can redistribute it and/or modify it under | |
6 | the terms of the GNU General Public License as published by the Free | |
7 | Software Foundation; either version 3, or (at your option) any later | |
8 | version. | |
9 | ||
10 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with GCC; see the file COPYING3. If not see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
670637ee DF |
19 | #include "config.h" |
20 | #include "system.h" | |
21 | #include "coretypes.h" | |
22 | #include "tm.h" | |
23 | #include "tree.h" | |
24 | #include "version.h" | |
25 | #include "flags.h" | |
26 | ||
27 | ||
28 | #include "options.h" | |
29 | #include "gfortran.h" | |
3c2a68b3 | 30 | #include "tm_p.h" /* Target prototypes. */ |
670637ee DF |
31 | #include "target.h" |
32 | #include "toplev.h" | |
33 | #include "diagnostic.h" | |
34 | ||
35 | #include "../../libcpp/internal.h" | |
36 | #include "cpp.h" | |
37 | #include "incpath.h" | |
d8ddea40 | 38 | #include "mkdeps.h" |
670637ee DF |
39 | |
40 | #ifndef TARGET_OS_CPP_BUILTINS | |
41 | # define TARGET_OS_CPP_BUILTINS() | |
42 | #endif | |
43 | ||
44 | #ifndef TARGET_OBJFMT_CPP_BUILTINS | |
45 | # define TARGET_OBJFMT_CPP_BUILTINS() | |
46 | #endif | |
47 | ||
48 | ||
49 | /* Holds switches parsed by gfc_cpp_handle_option (), but whose | |
50 | handling is deferred to gfc_cpp_init (). */ | |
51 | typedef struct | |
52 | { | |
53 | enum opt_code code; | |
54 | const char *arg; | |
55 | } | |
56 | gfc_cpp_deferred_opt_t; | |
57 | ||
58 | ||
59 | /* Defined and undefined macros being queued for output with -dU at | |
60 | the next newline. */ | |
61 | typedef struct gfc_cpp_macro_queue | |
62 | { | |
63 | struct gfc_cpp_macro_queue *next; /* Next macro in the list. */ | |
64 | char *macro; /* The name of the macro if not | |
65 | defined, the full definition if | |
66 | defined. */ | |
67 | } gfc_cpp_macro_queue; | |
68 | static gfc_cpp_macro_queue *cpp_define_queue, *cpp_undefine_queue; | |
69 | ||
88eeff6f | 70 | struct gfc_cpp_option_data |
670637ee DF |
71 | { |
72 | /* Argument of -cpp, implied by SPEC; | |
73 | if NULL, preprocessing disabled. */ | |
74 | const char *temporary_filename; | |
75 | ||
76 | const char *output_filename; /* -o <arg> */ | |
77 | int preprocess_only; /* -E */ | |
78 | int discard_comments; /* -C */ | |
79 | int discard_comments_in_macro_exp; /* -CC */ | |
80 | int print_include_names; /* -H */ | |
81 | int no_line_commands; /* -P */ | |
82 | char dump_macros; /* -d[DMNU] */ | |
83 | int dump_includes; /* -dI */ | |
84 | int working_directory; /* -fworking-directory */ | |
85 | int no_predefined; /* -undef */ | |
86 | int standard_include_paths; /* -nostdinc */ | |
87 | int verbose; /* -v */ | |
d8ddea40 DF |
88 | int deps; /* -M */ |
89 | int deps_skip_system; /* -MM */ | |
90 | const char *deps_filename; /* -M[M]D */ | |
91 | const char *deps_filename_user; /* -MF <arg> */ | |
92 | int deps_missing_are_generated; /* -MG */ | |
93 | int deps_phony; /* -MP */ | |
670637ee DF |
94 | |
95 | const char *multilib; /* -imultilib <dir> */ | |
96 | const char *prefix; /* -iprefix <dir> */ | |
97 | const char *sysroot; /* -isysroot <dir> */ | |
98 | ||
99 | /* Options whose handling needs to be deferred until the | |
100 | appropriate cpp-objects are created: | |
101 | -A predicate=answer | |
102 | -D <macro>[=<val>] | |
103 | -U <macro> */ | |
104 | gfc_cpp_deferred_opt_t *deferred_opt; | |
105 | int deferred_opt_count; | |
106 | } | |
107 | gfc_cpp_option; | |
108 | ||
109 | /* Structures used with libcpp: */ | |
110 | static cpp_options *cpp_option = NULL; | |
111 | static cpp_reader *cpp_in = NULL; | |
112 | ||
113 | /* Defined in toplev.c. */ | |
114 | extern const char *asm_file_name; | |
115 | ||
116 | ||
117 | ||
118 | ||
119 | /* Encapsulates state used to convert a stream of cpp-tokens into | |
120 | a text file. */ | |
121 | static struct | |
122 | { | |
123 | FILE *outf; /* Stream to write to. */ | |
124 | const cpp_token *prev; /* Previous token. */ | |
125 | const cpp_token *source; /* Source token for spacing. */ | |
126 | int src_line; /* Line number currently being written. */ | |
127 | unsigned char printed; /* Nonzero if something output at line. */ | |
128 | bool first_time; /* cb_file_change hasn't been called yet. */ | |
129 | } print; | |
130 | ||
131 | /* General output routines. */ | |
132 | static void scan_translation_unit (cpp_reader *); | |
133 | static void scan_translation_unit_trad (cpp_reader *); | |
134 | ||
135 | /* Callback routines for the parser. Most of these are active only | |
136 | in specific modes. */ | |
137 | static void cb_file_change (cpp_reader *, const struct line_map *); | |
138 | static void cb_line_change (cpp_reader *, const cpp_token *, int); | |
139 | static void cb_define (cpp_reader *, source_location, cpp_hashnode *); | |
140 | static void cb_undef (cpp_reader *, source_location, cpp_hashnode *); | |
141 | static void cb_def_pragma (cpp_reader *, source_location); | |
142 | static void cb_include (cpp_reader *, source_location, const unsigned char *, | |
143 | const char *, int, const cpp_token **); | |
144 | static void cb_ident (cpp_reader *, source_location, const cpp_string *); | |
145 | static void cb_used_define (cpp_reader *, source_location, cpp_hashnode *); | |
146 | static void cb_used_undef (cpp_reader *, source_location, cpp_hashnode *); | |
87cf0651 | 147 | static bool cb_cpp_error (cpp_reader *, int, int, location_t, unsigned int, |
148e4216 | 148 | const char *, va_list *) |
87cf0651 | 149 | ATTRIBUTE_GCC_DIAG(6,0); |
670637ee DF |
150 | void pp_dir_change (cpp_reader *, const char *); |
151 | ||
152 | static int dump_macro (cpp_reader *, cpp_hashnode *, void *); | |
153 | static void dump_queued_macros (cpp_reader *); | |
154 | ||
155 | ||
156 | static void | |
157 | cpp_define_builtins (cpp_reader *pfile) | |
158 | { | |
159 | int major, minor, patchlevel; | |
160 | ||
161 | /* Initialize CPP built-ins; '1' corresponds to 'flag_hosted' | |
162 | in C, defines __STDC_HOSTED__?! */ | |
163 | cpp_init_builtins (pfile, 0); | |
164 | ||
165 | /* Initialize GFORTRAN specific builtins. | |
166 | These are documented. */ | |
167 | if (sscanf (BASEVER, "%d.%d.%d", &major, &minor, &patchlevel) != 3) | |
168 | { | |
169 | sscanf (BASEVER, "%d.%d", &major, &minor); | |
170 | patchlevel = 0; | |
171 | } | |
172 | cpp_define_formatted (pfile, "__GNUC__=%d", major); | |
173 | cpp_define_formatted (pfile, "__GNUC_MINOR__=%d", minor); | |
174 | cpp_define_formatted (pfile, "__GNUC_PATCHLEVEL__=%d", patchlevel); | |
175 | ||
176 | cpp_define (pfile, "__GFORTRAN__=1"); | |
177 | cpp_define (pfile, "_LANGUAGE_FORTRAN=1"); | |
178 | ||
179 | if (gfc_option.flag_openmp) | |
94b12901 | 180 | cpp_define (pfile, "_OPENMP=200805"); |
670637ee DF |
181 | |
182 | ||
183 | /* More builtins that might be useful, but are not documented | |
184 | (in no particular order). */ | |
185 | cpp_define_formatted (pfile, "__VERSION__=\"%s\"", version_string); | |
186 | ||
187 | if (flag_pic) | |
188 | { | |
189 | cpp_define_formatted (pfile, "__pic__=%d", flag_pic); | |
190 | cpp_define_formatted (pfile, "__PIC__=%d", flag_pic); | |
191 | } | |
192 | if (flag_pie) | |
193 | { | |
194 | cpp_define_formatted (pfile, "__pie__=%d", flag_pie); | |
195 | cpp_define_formatted (pfile, "__PIE__=%d", flag_pie); | |
196 | } | |
197 | ||
198 | if (optimize_size) | |
199 | cpp_define (pfile, "__OPTIMIZE_SIZE__"); | |
200 | if (optimize) | |
201 | cpp_define (pfile, "__OPTIMIZE__"); | |
202 | ||
203 | if (fast_math_flags_set_p ()) | |
204 | cpp_define (pfile, "__FAST_MATH__"); | |
205 | if (flag_signaling_nans) | |
206 | cpp_define (pfile, "__SUPPORT_SNAN__"); | |
207 | ||
208 | cpp_define_formatted (pfile, "__FINITE_MATH_ONLY__=%d", flag_finite_math_only); | |
209 | ||
210 | /* Definitions for LP64 model. */ | |
211 | if (TYPE_PRECISION (long_integer_type_node) == 64 | |
212 | && POINTER_SIZE == 64 | |
213 | && TYPE_PRECISION (integer_type_node) == 32) | |
214 | { | |
215 | cpp_define (pfile, "_LP64"); | |
216 | cpp_define (pfile, "__LP64__"); | |
217 | } | |
218 | ||
219 | /* Define NAME with value TYPE size_unit. | |
220 | The C-side also defines __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ | |
221 | __SIZEOF_PTRDIFF_T__, however, fortran seems to lack the | |
222 | appropriate type nodes. */ | |
223 | ||
224 | #define define_type_sizeof(NAME, TYPE) \ | |
225 | cpp_define_formatted (pfile, NAME"="HOST_WIDE_INT_PRINT_DEC, \ | |
226 | tree_low_cst (TYPE_SIZE_UNIT (TYPE), 1)) | |
227 | ||
228 | define_type_sizeof ("__SIZEOF_INT__", integer_type_node); | |
229 | define_type_sizeof ("__SIZEOF_LONG__", long_integer_type_node); | |
230 | define_type_sizeof ("__SIZEOF_LONG_LONG__", long_long_integer_type_node); | |
231 | define_type_sizeof ("__SIZEOF_SHORT__", short_integer_type_node); | |
232 | define_type_sizeof ("__SIZEOF_FLOAT__", float_type_node); | |
233 | define_type_sizeof ("__SIZEOF_DOUBLE__", double_type_node); | |
234 | define_type_sizeof ("__SIZEOF_LONG_DOUBLE__", long_double_type_node); | |
235 | define_type_sizeof ("__SIZEOF_SIZE_T__", size_type_node); | |
236 | ||
237 | #undef define_type_sizeof | |
238 | ||
239 | /* The defines below are necessary for the TARGET_* macros. | |
240 | ||
241 | FIXME: Note that builtin_define_std() actually is a function | |
242 | in c-cppbuiltin.c which uses flags undefined for Fortran. | |
243 | Let's skip this for now. If needed, one needs to look into it | |
244 | once more. */ | |
245 | ||
246 | # define builtin_define(TXT) cpp_define (pfile, TXT) | |
247 | # define builtin_define_std(TXT) | |
248 | # define builtin_assert(TXT) cpp_assert (pfile, TXT) | |
249 | ||
3c2a68b3 DF |
250 | /* FIXME: Pandora's Box |
251 | Using the macros below results in multiple breakages: | |
252 | - mingw will fail to compile this file as dependent macros | |
253 | assume to be used in c-cppbuiltin.c only. Further, they use | |
254 | flags only valid/defined in C (same as noted above). | |
255 | [config/i386/mingw32.h, config/i386/cygming.h] | |
256 | - other platforms (not as popular) break similarly | |
273d8a65 | 257 | [grep for 'builtin_define_with_int_value' in gcc/config/] |
3c2a68b3 | 258 | |
670637ee DF |
259 | TARGET_CPU_CPP_BUILTINS (); |
260 | TARGET_OS_CPP_BUILTINS (); | |
3c2a68b3 | 261 | TARGET_OBJFMT_CPP_BUILTINS (); */ |
670637ee DF |
262 | |
263 | #undef builtin_define | |
264 | #undef builtin_define_std | |
265 | #undef builtin_assert | |
266 | } | |
267 | ||
268 | bool | |
269 | gfc_cpp_enabled (void) | |
270 | { | |
271 | return gfc_cpp_option.temporary_filename != NULL; | |
272 | } | |
273 | ||
274 | bool | |
275 | gfc_cpp_preprocess_only (void) | |
276 | { | |
277 | return gfc_cpp_option.preprocess_only; | |
278 | } | |
279 | ||
d8ddea40 DF |
280 | bool |
281 | gfc_cpp_makedep (void) | |
282 | { | |
283 | return gfc_cpp_option.deps; | |
284 | } | |
285 | ||
286 | void | |
287 | gfc_cpp_add_dep (const char *name, bool system) | |
288 | { | |
289 | if (!gfc_cpp_option.deps_skip_system || !system) | |
290 | deps_add_dep (cpp_get_deps (cpp_in), name); | |
291 | } | |
292 | ||
293 | void | |
294 | gfc_cpp_add_target (const char *name) | |
295 | { | |
296 | deps_add_target (cpp_get_deps (cpp_in), name, 0); | |
297 | } | |
298 | ||
299 | ||
670637ee DF |
300 | const char * |
301 | gfc_cpp_temporary_file (void) | |
302 | { | |
303 | return gfc_cpp_option.temporary_filename; | |
304 | } | |
305 | ||
306 | void | |
307 | gfc_cpp_init_options (unsigned int argc, | |
308 | const char **argv ATTRIBUTE_UNUSED) | |
309 | { | |
310 | /* Do not create any objects from libcpp here. If no | |
311 | preprocessing is requested, this would be wasted | |
312 | time and effort. | |
313 | ||
314 | See gfc_cpp_post_options() instead. */ | |
315 | ||
316 | gfc_cpp_option.temporary_filename = NULL; | |
317 | gfc_cpp_option.output_filename = NULL; | |
318 | gfc_cpp_option.preprocess_only = 0; | |
319 | gfc_cpp_option.discard_comments = 1; | |
320 | gfc_cpp_option.discard_comments_in_macro_exp = 1; | |
321 | gfc_cpp_option.print_include_names = 0; | |
322 | gfc_cpp_option.no_line_commands = 0; | |
323 | gfc_cpp_option.dump_macros = '\0'; | |
324 | gfc_cpp_option.dump_includes = 0; | |
325 | gfc_cpp_option.working_directory = -1; | |
326 | gfc_cpp_option.no_predefined = 0; | |
327 | gfc_cpp_option.standard_include_paths = 1; | |
328 | gfc_cpp_option.verbose = 0; | |
d8ddea40 DF |
329 | gfc_cpp_option.deps = 0; |
330 | gfc_cpp_option.deps_skip_system = 0; | |
331 | gfc_cpp_option.deps_phony = 0; | |
332 | gfc_cpp_option.deps_missing_are_generated = 0; | |
333 | gfc_cpp_option.deps_filename = NULL; | |
334 | gfc_cpp_option.deps_filename_user = NULL; | |
670637ee DF |
335 | |
336 | gfc_cpp_option.multilib = NULL; | |
337 | gfc_cpp_option.prefix = NULL; | |
338 | gfc_cpp_option.sysroot = NULL; | |
339 | ||
340 | gfc_cpp_option.deferred_opt = XNEWVEC (gfc_cpp_deferred_opt_t, argc); | |
341 | gfc_cpp_option.deferred_opt_count = 0; | |
342 | } | |
343 | ||
344 | int | |
345 | gfc_cpp_handle_option (size_t scode, const char *arg, int value ATTRIBUTE_UNUSED) | |
346 | { | |
347 | int result = 1; | |
348 | enum opt_code code = (enum opt_code) scode; | |
349 | ||
350 | switch (code) | |
351 | { | |
352 | default: | |
353 | result = 0; | |
354 | break; | |
355 | ||
356 | case OPT_cpp: | |
357 | gfc_cpp_option.temporary_filename = arg; | |
358 | break; | |
359 | ||
360 | case OPT_nocpp: | |
361 | gfc_cpp_option.temporary_filename = 0L; | |
362 | break; | |
363 | ||
364 | case OPT_d: | |
365 | for ( ; *arg; ++arg) | |
366 | switch (*arg) | |
367 | { | |
368 | case 'D': | |
369 | case 'M': | |
370 | case 'N': | |
371 | case 'U': | |
372 | gfc_cpp_option.dump_macros = *arg; | |
373 | break; | |
374 | ||
375 | case 'I': | |
376 | gfc_cpp_option.dump_includes = 1; | |
377 | break; | |
378 | } | |
379 | break; | |
380 | ||
381 | case OPT_fworking_directory: | |
382 | gfc_cpp_option.working_directory = value; | |
383 | break; | |
384 | ||
c3280643 DF |
385 | case OPT_idirafter: |
386 | gfc_cpp_add_include_path_after (xstrdup(arg), true); | |
387 | break; | |
388 | ||
670637ee DF |
389 | case OPT_imultilib: |
390 | gfc_cpp_option.multilib = arg; | |
391 | break; | |
392 | ||
393 | case OPT_iprefix: | |
394 | gfc_cpp_option.prefix = arg; | |
395 | break; | |
396 | ||
397 | case OPT_isysroot: | |
398 | gfc_cpp_option.sysroot = arg; | |
399 | break; | |
400 | ||
401 | case OPT_iquote: | |
402 | case OPT_isystem: | |
403 | gfc_cpp_add_include_path (xstrdup(arg), true); | |
404 | break; | |
405 | ||
406 | case OPT_nostdinc: | |
407 | gfc_cpp_option.standard_include_paths = value; | |
408 | break; | |
409 | ||
410 | case OPT_o: | |
411 | if (!gfc_cpp_option.output_filename) | |
412 | gfc_cpp_option.output_filename = arg; | |
413 | else | |
414 | gfc_fatal_error ("output filename specified twice"); | |
415 | break; | |
416 | ||
417 | case OPT_undef: | |
418 | gfc_cpp_option.no_predefined = value; | |
419 | break; | |
420 | ||
421 | case OPT_v: | |
422 | gfc_cpp_option.verbose = value; | |
423 | break; | |
424 | ||
425 | case OPT_A: | |
426 | case OPT_D: | |
427 | case OPT_U: | |
428 | gfc_cpp_option.deferred_opt[gfc_cpp_option.deferred_opt_count].code = code; | |
429 | gfc_cpp_option.deferred_opt[gfc_cpp_option.deferred_opt_count].arg = arg; | |
430 | gfc_cpp_option.deferred_opt_count++; | |
431 | break; | |
432 | ||
433 | case OPT_C: | |
434 | gfc_cpp_option.discard_comments = 0; | |
435 | break; | |
436 | ||
437 | case OPT_CC: | |
438 | gfc_cpp_option.discard_comments = 0; | |
439 | gfc_cpp_option.discard_comments_in_macro_exp = 0; | |
440 | break; | |
441 | ||
442 | case OPT_E: | |
443 | gfc_cpp_option.preprocess_only = 1; | |
444 | break; | |
445 | ||
446 | case OPT_H: | |
447 | gfc_cpp_option.print_include_names = 1; | |
448 | break; | |
449 | ||
d8ddea40 DF |
450 | case OPT_MM: |
451 | gfc_cpp_option.deps_skip_system = 1; | |
452 | /* fall through */ | |
453 | ||
454 | case OPT_M: | |
455 | gfc_cpp_option.deps = 1; | |
456 | break; | |
457 | ||
458 | case OPT_MMD: | |
459 | gfc_cpp_option.deps_skip_system = 1; | |
460 | /* fall through */ | |
461 | ||
462 | case OPT_MD: | |
463 | gfc_cpp_option.deps = 1; | |
464 | gfc_cpp_option.deps_filename = arg; | |
465 | break; | |
466 | ||
467 | case OPT_MF: | |
468 | /* If specified multiple times, last one wins. */ | |
469 | gfc_cpp_option.deps_filename_user = arg; | |
470 | break; | |
471 | ||
472 | case OPT_MG: | |
473 | gfc_cpp_option.deps_missing_are_generated = 1; | |
474 | break; | |
475 | ||
476 | case OPT_MP: | |
477 | gfc_cpp_option.deps_phony = 1; | |
478 | break; | |
479 | ||
480 | case OPT_MQ: | |
481 | case OPT_MT: | |
482 | gfc_cpp_option.deferred_opt[gfc_cpp_option.deferred_opt_count].code = code; | |
483 | gfc_cpp_option.deferred_opt[gfc_cpp_option.deferred_opt_count].arg = arg; | |
484 | gfc_cpp_option.deferred_opt_count++; | |
485 | break; | |
486 | ||
670637ee DF |
487 | case OPT_P: |
488 | gfc_cpp_option.no_line_commands = 1; | |
489 | break; | |
490 | } | |
491 | ||
492 | return result; | |
493 | } | |
494 | ||
495 | ||
496 | void | |
497 | gfc_cpp_post_options (void) | |
498 | { | |
499 | /* Any preprocessing-related option without '-cpp' is considered | |
500 | an error. */ | |
501 | if (!gfc_cpp_enabled () | |
502 | && (gfc_cpp_preprocess_only () | |
d8ddea40 DF |
503 | || gfc_cpp_makedep () |
504 | || !gfc_cpp_option.discard_comments | |
505 | || !gfc_cpp_option.discard_comments_in_macro_exp | |
506 | || gfc_cpp_option.print_include_names | |
507 | || gfc_cpp_option.no_line_commands | |
508 | || gfc_cpp_option.dump_macros | |
509 | || gfc_cpp_option.dump_includes)) | |
670637ee DF |
510 | gfc_fatal_error("To enable preprocessing, use -cpp"); |
511 | ||
512 | cpp_in = cpp_create_reader (CLK_GNUC89, NULL, line_table); | |
d8ddea40 | 513 | if (!gfc_cpp_enabled ()) |
670637ee DF |
514 | return; |
515 | ||
516 | gcc_assert (cpp_in); | |
517 | ||
518 | /* The cpp_options-structure defines far more flags than those set here. | |
519 | If any other is implemented, see c-opt.c (sanitize_cpp_opts) for | |
520 | inter-option dependencies that may need to be enforced. */ | |
521 | cpp_option = cpp_get_options (cpp_in); | |
522 | gcc_assert (cpp_option); | |
523 | ||
524 | /* TODO: allow non-traditional modes, e.g. by -cpp-std=...? */ | |
525 | cpp_option->traditional = 1; | |
526 | cpp_option->cplusplus_comments = 0; | |
527 | ||
528 | cpp_option->pedantic = pedantic; | |
670637ee DF |
529 | |
530 | cpp_option->dollars_in_ident = gfc_option.flag_dollar_ok; | |
531 | cpp_option->discard_comments = gfc_cpp_option.discard_comments; | |
532 | cpp_option->discard_comments_in_macro_exp = gfc_cpp_option.discard_comments_in_macro_exp; | |
533 | cpp_option->print_include_names = gfc_cpp_option.print_include_names; | |
534 | cpp_option->preprocessed = gfc_option.flag_preprocessed; | |
535 | ||
d8ddea40 DF |
536 | if (gfc_cpp_makedep ()) |
537 | { | |
538 | cpp_option->deps.style = DEPS_USER; | |
539 | cpp_option->deps.phony_targets = gfc_cpp_option.deps_phony; | |
540 | cpp_option->deps.missing_files = gfc_cpp_option.deps_missing_are_generated; | |
541 | ||
542 | /* -MF <arg> overrides -M[M]D. */ | |
543 | if (gfc_cpp_option.deps_filename_user) | |
544 | gfc_cpp_option.deps_filename = gfc_cpp_option.deps_filename_user; | |
545 | } | |
546 | ||
670637ee DF |
547 | if (gfc_cpp_option.working_directory == -1) |
548 | gfc_cpp_option.working_directory = (debug_info_level != DINFO_LEVEL_NONE); | |
549 | ||
550 | cpp_post_options (cpp_in); | |
551 | ||
670637ee DF |
552 | gfc_cpp_register_include_paths (); |
553 | } | |
554 | ||
555 | ||
556 | void | |
557 | gfc_cpp_init_0 (void) | |
558 | { | |
559 | struct cpp_callbacks *cb; | |
560 | ||
561 | cb = cpp_get_callbacks (cpp_in); | |
562 | cb->file_change = cb_file_change; | |
563 | cb->line_change = cb_line_change; | |
564 | cb->ident = cb_ident; | |
565 | cb->def_pragma = cb_def_pragma; | |
148e4216 | 566 | cb->error = cb_cpp_error; |
670637ee DF |
567 | |
568 | if (gfc_cpp_option.dump_includes) | |
569 | cb->include = cb_include; | |
570 | ||
571 | if ((gfc_cpp_option.dump_macros == 'D') | |
572 | || (gfc_cpp_option.dump_macros == 'N')) | |
573 | { | |
574 | cb->define = cb_define; | |
575 | cb->undef = cb_undef; | |
576 | } | |
577 | ||
578 | if (gfc_cpp_option.dump_macros == 'U') | |
579 | { | |
580 | cb->before_define = dump_queued_macros; | |
581 | cb->used_define = cb_used_define; | |
582 | cb->used_undef = cb_used_undef; | |
583 | } | |
584 | ||
585 | /* Initialize the print structure. Setting print.src_line to -1 here is | |
586 | a trick to guarantee that the first token of the file will cause | |
587 | a linemarker to be output by maybe_print_line. */ | |
588 | print.src_line = -1; | |
589 | print.printed = 0; | |
590 | print.prev = 0; | |
591 | print.first_time = 1; | |
592 | ||
593 | if (gfc_cpp_preprocess_only ()) | |
594 | { | |
595 | if (gfc_cpp_option.output_filename) | |
596 | { | |
597 | /* This needs cheating: with "-E -o <file>", the user wants the | |
598 | preprocessed output in <file>. However, if nothing is done | |
599 | about it <file> is also used for assembler output. Hence, it | |
600 | is necessary to redirect assembler output (actually nothing | |
601 | as -E implies -fsyntax-only) to another file, otherwise the | |
602 | output from preprocessing is lost. */ | |
603 | asm_file_name = gfc_cpp_option.temporary_filename; | |
604 | ||
605 | print.outf = fopen (gfc_cpp_option.output_filename, "w"); | |
606 | if (print.outf == NULL) | |
607 | gfc_fatal_error ("opening output file %s: %s", | |
7ca92787 JM |
608 | gfc_cpp_option.output_filename, |
609 | xstrerror (errno)); | |
670637ee DF |
610 | } |
611 | else | |
612 | print.outf = stdout; | |
613 | } | |
614 | else | |
615 | { | |
616 | print.outf = fopen (gfc_cpp_option.temporary_filename, "w"); | |
617 | if (print.outf == NULL) | |
618 | gfc_fatal_error ("opening output file %s: %s", | |
7ca92787 | 619 | gfc_cpp_option.temporary_filename, xstrerror (errno)); |
670637ee DF |
620 | } |
621 | ||
622 | gcc_assert(cpp_in); | |
623 | if (!cpp_read_main_file (cpp_in, gfc_source_file)) | |
624 | errorcount++; | |
625 | } | |
626 | ||
627 | void | |
628 | gfc_cpp_init (void) | |
629 | { | |
630 | int i; | |
631 | ||
1e60697f DF |
632 | if (gfc_option.flag_preprocessed) |
633 | return; | |
634 | ||
670637ee DF |
635 | cpp_change_file (cpp_in, LC_RENAME, _("<built-in>")); |
636 | if (!gfc_cpp_option.no_predefined) | |
637 | cpp_define_builtins (cpp_in); | |
638 | ||
639 | /* Handle deferred options from command-line. */ | |
640 | cpp_change_file (cpp_in, LC_RENAME, _("<command-line>")); | |
641 | ||
642 | for (i = 0; i < gfc_cpp_option.deferred_opt_count; i++) | |
643 | { | |
644 | gfc_cpp_deferred_opt_t *opt = &gfc_cpp_option.deferred_opt[i]; | |
645 | ||
646 | if (opt->code == OPT_D) | |
647 | cpp_define (cpp_in, opt->arg); | |
648 | else if (opt->code == OPT_U) | |
649 | cpp_undef (cpp_in, opt->arg); | |
650 | else if (opt->code == OPT_A) | |
651 | { | |
652 | if (opt->arg[0] == '-') | |
653 | cpp_unassert (cpp_in, opt->arg + 1); | |
654 | else | |
655 | cpp_assert (cpp_in, opt->arg); | |
656 | } | |
d8ddea40 DF |
657 | else if (opt->code == OPT_MT || opt->code == OPT_MQ) |
658 | deps_add_target (cpp_get_deps (cpp_in), | |
659 | opt->arg, opt->code == OPT_MQ); | |
670637ee DF |
660 | } |
661 | ||
662 | if (gfc_cpp_option.working_directory | |
663 | && gfc_cpp_option.preprocess_only && !gfc_cpp_option.no_line_commands) | |
664 | pp_dir_change (cpp_in, get_src_pwd ()); | |
665 | } | |
666 | ||
17b1d2a0 | 667 | gfc_try |
670637ee DF |
668 | gfc_cpp_preprocess (const char *source_file) |
669 | { | |
670 | if (!gfc_cpp_enabled ()) | |
671 | return FAILURE; | |
672 | ||
673 | cpp_change_file (cpp_in, LC_RENAME, source_file); | |
674 | ||
675 | if (cpp_option->traditional) | |
676 | scan_translation_unit_trad (cpp_in); | |
677 | else | |
678 | scan_translation_unit (cpp_in); | |
679 | ||
680 | /* -dM command line option. */ | |
681 | if (gfc_cpp_preprocess_only () && | |
682 | gfc_cpp_option.dump_macros == 'M') | |
683 | { | |
684 | putc ('\n', print.outf); | |
685 | cpp_forall_identifiers (cpp_in, dump_macro, NULL); | |
686 | } | |
687 | ||
1e60697f DF |
688 | putc ('\n', print.outf); |
689 | ||
670637ee DF |
690 | if (!gfc_cpp_preprocess_only () |
691 | || (gfc_cpp_preprocess_only () && gfc_cpp_option.output_filename)) | |
692 | fclose (print.outf); | |
693 | ||
694 | return SUCCESS; | |
695 | } | |
696 | ||
697 | void | |
698 | gfc_cpp_done (void) | |
699 | { | |
700 | if (!gfc_cpp_enabled ()) | |
701 | return; | |
702 | ||
d8ddea40 | 703 | gcc_assert (cpp_in); |
670637ee | 704 | |
d8ddea40 DF |
705 | if (gfc_cpp_makedep ()) |
706 | { | |
707 | if (gfc_cpp_option.deps_filename) | |
708 | { | |
709 | FILE *f = fopen (gfc_cpp_option.deps_filename, "w"); | |
710 | if (f) | |
711 | { | |
712 | cpp_finish (cpp_in, f); | |
713 | fclose (f); | |
714 | } | |
715 | else | |
716 | gfc_fatal_error ("opening output file %s: %s", | |
717 | gfc_cpp_option.deps_filename, | |
718 | xstrerror (errno)); | |
719 | } | |
720 | else | |
721 | cpp_finish (cpp_in, stdout); | |
722 | } | |
670637ee | 723 | |
670637ee DF |
724 | cpp_undef_all (cpp_in); |
725 | cpp_clear_file_cache (cpp_in); | |
726 | } | |
727 | ||
728 | /* PATH must be malloc-ed and NULL-terminated. */ | |
729 | void | |
730 | gfc_cpp_add_include_path (char *path, bool user_supplied) | |
731 | { | |
732 | /* CHAIN sets cpp_dir->sysp which differs from 0 if PATH is a system | |
733 | include path. Fortran does not define any system include paths. */ | |
670637ee DF |
734 | int cxx_aware = 0; |
735 | ||
0ee1b105 | 736 | add_path (path, BRACKET, cxx_aware, user_supplied); |
670637ee DF |
737 | } |
738 | ||
c3280643 DF |
739 | void |
740 | gfc_cpp_add_include_path_after (char *path, bool user_supplied) | |
741 | { | |
742 | int cxx_aware = 0; | |
743 | add_path (path, AFTER, cxx_aware, user_supplied); | |
744 | } | |
745 | ||
670637ee DF |
746 | void |
747 | gfc_cpp_register_include_paths (void) | |
748 | { | |
749 | int cxx_stdinc = 0; | |
750 | register_include_chains (cpp_in, gfc_cpp_option.sysroot, | |
751 | gfc_cpp_option.prefix, gfc_cpp_option.multilib, | |
752 | gfc_cpp_option.standard_include_paths, cxx_stdinc, | |
753 | gfc_cpp_option.verbose); | |
754 | } | |
755 | ||
756 | ||
757 | ||
758 | static void scan_translation_unit_trad (cpp_reader *); | |
759 | static void account_for_newlines (const unsigned char *, size_t); | |
760 | static int dump_macro (cpp_reader *, cpp_hashnode *, void *); | |
761 | ||
762 | static void print_line (source_location, const char *); | |
763 | static void maybe_print_line (source_location); | |
764 | ||
765 | ||
766 | /* Writes out the preprocessed file, handling spacing and paste | |
767 | avoidance issues. */ | |
768 | static void | |
769 | scan_translation_unit (cpp_reader *pfile) | |
770 | { | |
771 | bool avoid_paste = false; | |
772 | ||
773 | print.source = NULL; | |
774 | for (;;) | |
775 | { | |
776 | const cpp_token *token = cpp_get_token (pfile); | |
777 | ||
778 | if (token->type == CPP_PADDING) | |
779 | { | |
780 | avoid_paste = true; | |
781 | if (print.source == NULL | |
782 | || (!(print.source->flags & PREV_WHITE) | |
783 | && token->val.source == NULL)) | |
784 | print.source = token->val.source; | |
785 | continue; | |
786 | } | |
787 | ||
788 | if (token->type == CPP_EOF) | |
789 | break; | |
790 | ||
791 | /* Subtle logic to output a space if and only if necessary. */ | |
792 | if (avoid_paste) | |
793 | { | |
794 | if (print.source == NULL) | |
795 | print.source = token; | |
796 | if (print.source->flags & PREV_WHITE | |
797 | || (print.prev | |
798 | && cpp_avoid_paste (pfile, print.prev, token)) | |
799 | || (print.prev == NULL && token->type == CPP_HASH)) | |
800 | putc (' ', print.outf); | |
801 | } | |
802 | else if (token->flags & PREV_WHITE) | |
803 | putc (' ', print.outf); | |
804 | ||
805 | avoid_paste = false; | |
806 | print.source = NULL; | |
807 | print.prev = token; | |
808 | cpp_output_token (token, print.outf); | |
809 | ||
810 | if (token->type == CPP_COMMENT) | |
811 | account_for_newlines (token->val.str.text, token->val.str.len); | |
812 | } | |
813 | } | |
814 | ||
815 | /* Adjust print.src_line for newlines embedded in output. */ | |
816 | static void | |
817 | account_for_newlines (const unsigned char *str, size_t len) | |
818 | { | |
819 | while (len--) | |
820 | if (*str++ == '\n') | |
821 | print.src_line++; | |
822 | } | |
823 | ||
824 | /* Writes out a traditionally preprocessed file. */ | |
825 | static void | |
826 | scan_translation_unit_trad (cpp_reader *pfile) | |
827 | { | |
828 | while (_cpp_read_logical_line_trad (pfile)) | |
829 | { | |
830 | size_t len = pfile->out.cur - pfile->out.base; | |
831 | maybe_print_line (pfile->out.first_line); | |
832 | fwrite (pfile->out.base, 1, len, print.outf); | |
833 | print.printed = 1; | |
834 | if (!CPP_OPTION (pfile, discard_comments)) | |
835 | account_for_newlines (pfile->out.base, len); | |
836 | } | |
837 | } | |
838 | ||
839 | /* If the token read on logical line LINE needs to be output on a | |
840 | different line to the current one, output the required newlines or | |
841 | a line marker. */ | |
842 | static void | |
843 | maybe_print_line (source_location src_loc) | |
844 | { | |
845 | const struct line_map *map = linemap_lookup (line_table, src_loc); | |
846 | int src_line = SOURCE_LINE (map, src_loc); | |
847 | ||
848 | /* End the previous line of text. */ | |
849 | if (print.printed) | |
850 | { | |
851 | putc ('\n', print.outf); | |
852 | print.src_line++; | |
853 | print.printed = 0; | |
854 | } | |
855 | ||
856 | if (src_line >= print.src_line && src_line < print.src_line + 8) | |
857 | { | |
858 | while (src_line > print.src_line) | |
859 | { | |
860 | putc ('\n', print.outf); | |
861 | print.src_line++; | |
862 | } | |
863 | } | |
864 | else | |
865 | print_line (src_loc, ""); | |
866 | } | |
867 | ||
868 | /* Output a line marker for logical line LINE. Special flags are "1" | |
869 | or "2" indicating entering or leaving a file. */ | |
870 | static void | |
871 | print_line (source_location src_loc, const char *special_flags) | |
872 | { | |
873 | /* End any previous line of text. */ | |
874 | if (print.printed) | |
875 | putc ('\n', print.outf); | |
876 | print.printed = 0; | |
877 | ||
878 | if (!gfc_cpp_option.no_line_commands) | |
879 | { | |
880 | const struct line_map *map = linemap_lookup (line_table, src_loc); | |
881 | ||
882 | size_t to_file_len = strlen (map->to_file); | |
883 | unsigned char *to_file_quoted = | |
884 | (unsigned char *) alloca (to_file_len * 4 + 1); | |
885 | unsigned char *p; | |
886 | ||
887 | print.src_line = SOURCE_LINE (map, src_loc); | |
888 | ||
889 | /* cpp_quote_string does not nul-terminate, so we have to do it | |
890 | ourselves. */ | |
891 | p = cpp_quote_string (to_file_quoted, | |
892 | (const unsigned char *) map->to_file, to_file_len); | |
893 | *p = '\0'; | |
894 | fprintf (print.outf, "# %u \"%s\"%s", | |
895 | print.src_line == 0 ? 1 : print.src_line, | |
896 | to_file_quoted, special_flags); | |
897 | ||
898 | if (map->sysp == 2) | |
899 | fputs (" 3 4", print.outf); | |
900 | else if (map->sysp == 1) | |
901 | fputs (" 3", print.outf); | |
902 | ||
903 | putc ('\n', print.outf); | |
904 | } | |
905 | } | |
906 | ||
907 | static void | |
908 | cb_file_change (cpp_reader * ARG_UNUSED (pfile), const struct line_map *map) | |
909 | { | |
910 | const char *flags = ""; | |
911 | ||
912 | if (gfc_cpp_option.no_line_commands) | |
913 | return; | |
914 | ||
915 | if (!map) | |
916 | return; | |
917 | ||
918 | if (print.first_time) | |
919 | { | |
920 | /* Avoid printing foo.i when the main file is foo.c. */ | |
921 | if (!cpp_get_options (cpp_in)->preprocessed) | |
922 | print_line (map->start_location, flags); | |
923 | print.first_time = 0; | |
924 | } | |
925 | else | |
926 | { | |
927 | /* Bring current file to correct line when entering a new file. */ | |
928 | if (map->reason == LC_ENTER) | |
929 | { | |
930 | const struct line_map *from = INCLUDED_FROM (line_table, map); | |
931 | maybe_print_line (LAST_SOURCE_LINE_LOCATION (from)); | |
932 | } | |
933 | if (map->reason == LC_ENTER) | |
934 | flags = " 1"; | |
935 | else if (map->reason == LC_LEAVE) | |
936 | flags = " 2"; | |
937 | print_line (map->start_location, flags); | |
938 | } | |
939 | ||
940 | } | |
941 | ||
942 | /* Called when a line of output is started. TOKEN is the first token | |
943 | of the line, and at end of file will be CPP_EOF. */ | |
944 | static void | |
945 | cb_line_change (cpp_reader *pfile, const cpp_token *token, | |
946 | int parsing_args) | |
947 | { | |
948 | source_location src_loc = token->src_loc; | |
949 | ||
950 | if (token->type == CPP_EOF || parsing_args) | |
951 | return; | |
952 | ||
953 | maybe_print_line (src_loc); | |
954 | print.prev = 0; | |
955 | print.source = 0; | |
956 | ||
957 | /* Supply enough spaces to put this token in its original column, | |
958 | one space per column greater than 2, since scan_translation_unit | |
959 | will provide a space if PREV_WHITE. Don't bother trying to | |
960 | reconstruct tabs; we can't get it right in general, and nothing | |
961 | ought to care. Some things do care; the fault lies with them. */ | |
962 | if (!CPP_OPTION (pfile, traditional)) | |
963 | { | |
964 | const struct line_map *map = linemap_lookup (line_table, src_loc); | |
965 | int spaces = SOURCE_COLUMN (map, src_loc) - 2; | |
966 | print.printed = 1; | |
967 | ||
968 | while (-- spaces >= 0) | |
969 | putc (' ', print.outf); | |
970 | } | |
971 | } | |
972 | ||
973 | static void | |
974 | cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
975 | const cpp_string *str) | |
976 | { | |
977 | maybe_print_line (line); | |
978 | fprintf (print.outf, "#ident %s\n", str->text); | |
979 | print.src_line++; | |
980 | } | |
981 | ||
982 | static void | |
983 | cb_define (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
984 | cpp_hashnode *node ATTRIBUTE_UNUSED) | |
985 | { | |
986 | maybe_print_line (line); | |
987 | fputs ("#define ", print.outf); | |
988 | ||
989 | /* 'D' is whole definition; 'N' is name only. */ | |
990 | if (gfc_cpp_option.dump_macros == 'D') | |
991 | fputs ((const char *) cpp_macro_definition (pfile, node), | |
992 | print.outf); | |
993 | else | |
994 | fputs ((const char *) NODE_NAME (node), print.outf); | |
995 | ||
996 | putc ('\n', print.outf); | |
997 | if (linemap_lookup (line_table, line)->to_line != 0) | |
998 | print.src_line++; | |
999 | } | |
1000 | ||
1001 | static void | |
1002 | cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
1003 | cpp_hashnode *node) | |
1004 | { | |
1005 | maybe_print_line (line); | |
1006 | fprintf (print.outf, "#undef %s\n", NODE_NAME (node)); | |
1007 | print.src_line++; | |
1008 | } | |
1009 | ||
1010 | static void | |
1011 | cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
1012 | const unsigned char *dir, const char *header, int angle_brackets, | |
1013 | const cpp_token **comments) | |
1014 | { | |
1015 | maybe_print_line (line); | |
1016 | if (angle_brackets) | |
1017 | fprintf (print.outf, "#%s <%s>", dir, header); | |
1018 | else | |
1019 | fprintf (print.outf, "#%s \"%s\"", dir, header); | |
1020 | ||
1021 | if (comments != NULL) | |
1022 | { | |
1023 | while (*comments != NULL) | |
1024 | { | |
1025 | if ((*comments)->flags & PREV_WHITE) | |
1026 | putc (' ', print.outf); | |
1027 | cpp_output_token (*comments, print.outf); | |
1028 | ++comments; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | putc ('\n', print.outf); | |
1033 | print.src_line++; | |
1034 | } | |
1035 | ||
1036 | /* Dump out the hash table. */ | |
1037 | static int | |
1038 | dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED) | |
1039 | { | |
1040 | if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN)) | |
1041 | { | |
1042 | fputs ("#define ", print.outf); | |
1043 | fputs ((const char *) cpp_macro_definition (pfile, node), | |
1044 | print.outf); | |
1045 | putc ('\n', print.outf); | |
1046 | print.src_line++; | |
1047 | } | |
1048 | ||
1049 | return 1; | |
1050 | } | |
1051 | ||
1052 | static void | |
1053 | cb_used_define (cpp_reader *pfile, source_location line ATTRIBUTE_UNUSED, | |
1054 | cpp_hashnode *node) | |
1055 | { | |
1056 | gfc_cpp_macro_queue *q; | |
1057 | q = XNEW (gfc_cpp_macro_queue); | |
1058 | q->macro = xstrdup ((const char *) cpp_macro_definition (pfile, node)); | |
1059 | q->next = cpp_define_queue; | |
1060 | cpp_define_queue = q; | |
1061 | } | |
1062 | ||
148e4216 | 1063 | /* Callback from cpp_error for PFILE to print diagnostics from the |
87cf0651 SB |
1064 | preprocessor. The diagnostic is of type LEVEL, with REASON set |
1065 | to the reason code if LEVEL is represents a warning, at location | |
148e4216 JM |
1066 | LOCATION, with column number possibly overridden by COLUMN_OVERRIDE |
1067 | if not zero; MSG is the translated message and AP the arguments. | |
1068 | Returns true if a diagnostic was emitted, false otherwise. */ | |
1069 | ||
1070 | static bool | |
87cf0651 | 1071 | cb_cpp_error (cpp_reader *pfile ATTRIBUTE_UNUSED, int level, int reason, |
148e4216 JM |
1072 | location_t location, unsigned int column_override, |
1073 | const char *msg, va_list *ap) | |
1074 | { | |
1075 | diagnostic_info diagnostic; | |
1076 | diagnostic_t dlevel; | |
5f0f4a3b | 1077 | bool save_warn_system_headers = global_dc->warn_system_headers; |
148e4216 JM |
1078 | bool ret; |
1079 | ||
1080 | switch (level) | |
1081 | { | |
1082 | case CPP_DL_WARNING_SYSHDR: | |
5f0f4a3b | 1083 | global_dc->warn_system_headers = 1; |
148e4216 JM |
1084 | /* Fall through. */ |
1085 | case CPP_DL_WARNING: | |
1086 | dlevel = DK_WARNING; | |
1087 | break; | |
1088 | case CPP_DL_PEDWARN: | |
1089 | dlevel = DK_PEDWARN; | |
1090 | break; | |
1091 | case CPP_DL_ERROR: | |
1092 | dlevel = DK_ERROR; | |
1093 | break; | |
1094 | case CPP_DL_ICE: | |
1095 | dlevel = DK_ICE; | |
1096 | break; | |
1097 | case CPP_DL_NOTE: | |
1098 | dlevel = DK_NOTE; | |
1099 | break; | |
47580d22 JM |
1100 | case CPP_DL_FATAL: |
1101 | dlevel = DK_FATAL; | |
1102 | break; | |
148e4216 JM |
1103 | default: |
1104 | gcc_unreachable (); | |
1105 | } | |
1106 | diagnostic_set_info_translated (&diagnostic, msg, ap, | |
1107 | location, dlevel); | |
1108 | if (column_override) | |
1109 | diagnostic_override_column (&diagnostic, column_override); | |
87cf0651 SB |
1110 | if (reason == CPP_W_WARNING_DIRECTIVE) |
1111 | diagnostic_override_option_index (&diagnostic, OPT_Wcpp); | |
148e4216 JM |
1112 | ret = report_diagnostic (&diagnostic); |
1113 | if (level == CPP_DL_WARNING_SYSHDR) | |
5f0f4a3b | 1114 | global_dc->warn_system_headers = save_warn_system_headers; |
148e4216 JM |
1115 | return ret; |
1116 | } | |
670637ee DF |
1117 | |
1118 | /* Callback called when -fworking-director and -E to emit working | |
1119 | directory in cpp output file. */ | |
1120 | ||
1121 | void | |
1122 | pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir) | |
1123 | { | |
1124 | size_t to_file_len = strlen (dir); | |
1125 | unsigned char *to_file_quoted = | |
1126 | (unsigned char *) alloca (to_file_len * 4 + 1); | |
1127 | unsigned char *p; | |
1128 | ||
1129 | /* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */ | |
1130 | p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len); | |
1131 | *p = '\0'; | |
1132 | fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted); | |
1133 | } | |
1134 | ||
1135 | /* Copy a #pragma directive to the preprocessed output. */ | |
1136 | static void | |
1137 | cb_def_pragma (cpp_reader *pfile, source_location line) | |
1138 | { | |
1139 | maybe_print_line (line); | |
1140 | fputs ("#pragma ", print.outf); | |
1141 | cpp_output_line (pfile, print.outf); | |
1142 | print.src_line++; | |
1143 | } | |
1144 | ||
1145 | static void | |
1146 | cb_used_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, | |
1147 | source_location line ATTRIBUTE_UNUSED, | |
1148 | cpp_hashnode *node) | |
1149 | { | |
1150 | gfc_cpp_macro_queue *q; | |
1151 | q = XNEW (gfc_cpp_macro_queue); | |
1152 | q->macro = xstrdup ((const char *) NODE_NAME (node)); | |
1153 | q->next = cpp_undefine_queue; | |
1154 | cpp_undefine_queue = q; | |
1155 | } | |
1156 | ||
1157 | static void | |
1158 | dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
1159 | { | |
1160 | gfc_cpp_macro_queue *q; | |
1161 | ||
1162 | /* End the previous line of text. */ | |
1163 | if (print.printed) | |
1164 | { | |
1165 | putc ('\n', print.outf); | |
1166 | print.src_line++; | |
1167 | print.printed = 0; | |
1168 | } | |
1169 | ||
1170 | for (q = cpp_define_queue; q;) | |
1171 | { | |
1172 | gfc_cpp_macro_queue *oq; | |
1173 | fputs ("#define ", print.outf); | |
1174 | fputs (q->macro, print.outf); | |
1175 | putc ('\n', print.outf); | |
1176 | print.src_line++; | |
1177 | oq = q; | |
1178 | q = q->next; | |
1179 | gfc_free (oq->macro); | |
1180 | gfc_free (oq); | |
1181 | } | |
1182 | cpp_define_queue = NULL; | |
1183 | for (q = cpp_undefine_queue; q;) | |
1184 | { | |
1185 | gfc_cpp_macro_queue *oq; | |
1186 | fprintf (print.outf, "#undef %s\n", q->macro); | |
1187 | print.src_line++; | |
1188 | oq = q; | |
1189 | q = q->next; | |
1190 | gfc_free (oq->macro); | |
1191 | gfc_free (oq); | |
1192 | } | |
1193 | cpp_undefine_queue = NULL; | |
1194 | } |