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Commit | Line | Data |
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6de9cd9a | 1 | /* Parse and display command line options. |
6c7a4dfd JJ |
2 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
3 | Free Software Foundation, Inc. | |
6de9cd9a DN |
4 | Contributed by Andy Vaught |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
9fc4d79b | 19 | along with GCC; see the file COPYING. If not, write to the Free |
ab57747b KC |
20 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
6de9cd9a | 22 | |
6de9cd9a DN |
23 | |
24 | #include "config.h" | |
25 | #include "system.h" | |
26 | #include "coretypes.h" | |
27 | #include "tree.h" | |
28 | #include "flags.h" | |
29 | #include "intl.h" | |
30 | #include "opts.h" | |
31 | #include "options.h" | |
32 | #include "tree-inline.h" | |
33 | ||
34 | #include "gfortran.h" | |
25d8f0a2 | 35 | #include "target.h" |
6de9cd9a DN |
36 | |
37 | gfc_option_t gfc_option; | |
38 | ||
39 | ||
40 | /* Get ready for options handling. */ | |
41 | ||
42 | unsigned int | |
43 | gfc_init_options (unsigned int argc ATTRIBUTE_UNUSED, | |
44 | const char **argv ATTRIBUTE_UNUSED) | |
45 | { | |
e0bcf78c | 46 | gfc_source_file = NULL; |
6de9cd9a DN |
47 | gfc_option.module_dir = NULL; |
48 | gfc_option.source_form = FORM_UNKNOWN; | |
1dde8683 BM |
49 | gfc_option.fixed_line_length = 72; |
50 | gfc_option.free_line_length = 132; | |
5a06474c JD |
51 | gfc_option.max_continue_fixed = 19; |
52 | gfc_option.max_continue_free = 39; | |
6de9cd9a DN |
53 | gfc_option.max_identifier_length = GFC_MAX_SYMBOL_LEN; |
54 | gfc_option.verbose = 0; | |
55 | ||
56 | gfc_option.warn_aliasing = 0; | |
3fbab549 | 57 | gfc_option.warn_ampersand = 0; |
6de9cd9a DN |
58 | gfc_option.warn_conversion = 0; |
59 | gfc_option.warn_implicit_interface = 0; | |
60 | gfc_option.warn_line_truncation = 0; | |
61 | gfc_option.warn_surprising = 0; | |
840bd9f7 SK |
62 | gfc_option.warn_tabs = 1; |
63 | gfc_option.warn_underflow = 1; | |
3f139fcf | 64 | gfc_option.max_errors = 25; |
6de9cd9a | 65 | |
a23eec13 | 66 | gfc_option.flag_all_intrinsics = 0; |
3ae9eb27 SK |
67 | gfc_option.flag_default_double = 0; |
68 | gfc_option.flag_default_integer = 0; | |
69 | gfc_option.flag_default_real = 0; | |
6de9cd9a DN |
70 | gfc_option.flag_dollar_ok = 0; |
71 | gfc_option.flag_underscoring = 1; | |
973ff4c0 TS |
72 | gfc_option.flag_f2c = 0; |
73 | gfc_option.flag_second_underscore = -1; | |
6de9cd9a DN |
74 | gfc_option.flag_implicit_none = 0; |
75 | gfc_option.flag_max_stack_var_size = 32768; | |
54554825 | 76 | gfc_option.flag_range_check = 1; |
6de9cd9a DN |
77 | gfc_option.flag_pack_derived = 0; |
78 | gfc_option.flag_repack_arrays = 0; | |
2d7c7df6 | 79 | gfc_option.flag_preprocessed = 0; |
ee5426a4 | 80 | gfc_option.flag_automatic = 1; |
131c66cd | 81 | gfc_option.flag_backslash = 1; |
5a0aad31 FXC |
82 | gfc_option.flag_external_blas = 0; |
83 | gfc_option.blas_matmul_limit = 30; | |
83d890b9 | 84 | gfc_option.flag_cray_pointer = 0; |
e0bcf78c | 85 | gfc_option.flag_d_lines = -1; |
6c7a4dfd | 86 | gfc_option.flag_openmp = 0; |
6de9cd9a | 87 | |
944b8b35 FXC |
88 | gfc_option.fpe = 0; |
89 | ||
0698a1d2 TM |
90 | /* Argument pointers cannot point to anything |
91 | but their argument. */ | |
92 | flag_argument_noalias = 3; | |
93 | ||
61e067cc | 94 | flag_errno_math = 0; |
6de9cd9a DN |
95 | |
96 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
c0309c74 RS |
97 | | GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F77 | GFC_STD_GNU |
98 | | GFC_STD_LEGACY; | |
6de9cd9a | 99 | gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL |
cce283c7 | 100 | | GFC_STD_LEGACY; |
6de9cd9a | 101 | |
b7892582 JB |
102 | gfc_option.warn_nonstd_intrinsics = 0; |
103 | ||
25d8f0a2 TS |
104 | /* -fshort-enums can be default on some targets. */ |
105 | gfc_option.fshort_enums = targetm.default_short_enums (); | |
106 | ||
7f26dfa3 | 107 | return CL_Fortran; |
6de9cd9a DN |
108 | } |
109 | ||
110 | ||
e0bcf78c TS |
111 | /* Determine the source form from the filename extension. We assume |
112 | case insensitivity. */ | |
113 | ||
114 | static gfc_source_form | |
115 | form_from_filename (const char *filename) | |
116 | { | |
117 | ||
118 | static const struct | |
119 | { | |
120 | const char *extension; | |
121 | gfc_source_form form; | |
122 | } | |
123 | exttype[] = | |
124 | { | |
125 | { | |
126 | ".f90", FORM_FREE} | |
127 | , | |
128 | { | |
129 | ".f95", FORM_FREE} | |
130 | , | |
131 | { | |
132 | ".f", FORM_FIXED} | |
133 | , | |
134 | { | |
135 | ".for", FORM_FIXED} | |
136 | , | |
137 | { | |
138 | "", FORM_UNKNOWN} | |
139 | }; /* sentinel value */ | |
140 | ||
141 | gfc_source_form f_form; | |
142 | const char *fileext; | |
143 | int i; | |
144 | ||
145 | /* Find end of file name. Note, filename is either a NULL pointer or | |
146 | a NUL terminated string. */ | |
147 | i = 0; | |
148 | while (filename[i] != '\0') | |
149 | i++; | |
150 | ||
151 | /* Find last period. */ | |
152 | while (i >= 0 && (filename[i] != '.')) | |
153 | i--; | |
154 | ||
155 | /* Did we see a file extension? */ | |
156 | if (i < 0) | |
157 | return FORM_UNKNOWN; /* Nope */ | |
158 | ||
159 | /* Get file extension and compare it to others. */ | |
160 | fileext = &(filename[i]); | |
161 | ||
162 | i = -1; | |
163 | f_form = FORM_UNKNOWN; | |
164 | do | |
165 | { | |
166 | i++; | |
167 | if (strcasecmp (fileext, exttype[i].extension) == 0) | |
168 | { | |
169 | f_form = exttype[i].form; | |
170 | break; | |
171 | } | |
172 | } | |
173 | while (exttype[i].form != FORM_UNKNOWN); | |
174 | ||
175 | return f_form; | |
176 | } | |
177 | ||
178 | ||
6de9cd9a DN |
179 | /* Finalize commandline options. */ |
180 | ||
181 | bool | |
182 | gfc_post_options (const char **pfilename) | |
183 | { | |
2d7c7df6 | 184 | const char *filename = *pfilename, *canon_source_file = NULL; |
b424a572 FXC |
185 | char *source_path; |
186 | int i; | |
6de9cd9a DN |
187 | |
188 | /* Verify the input file name. */ | |
189 | if (!filename || strcmp (filename, "-") == 0) | |
190 | { | |
191 | filename = ""; | |
192 | } | |
193 | ||
2d7c7df6 JJ |
194 | if (gfc_option.flag_preprocessed) |
195 | { | |
196 | /* For preprocessed files, if the first tokens are of the form # NUM. | |
197 | handle the directives so we know the original file name. */ | |
198 | gfc_source_file = gfc_read_orig_filename (filename, &canon_source_file); | |
199 | if (gfc_source_file == NULL) | |
200 | gfc_source_file = filename; | |
201 | else | |
202 | *pfilename = gfc_source_file; | |
203 | } | |
204 | else | |
205 | gfc_source_file = filename; | |
206 | ||
207 | if (canon_source_file == NULL) | |
208 | canon_source_file = gfc_source_file; | |
e0bcf78c | 209 | |
b424a572 FXC |
210 | /* Adds the path where the source file is to the list of include files. */ |
211 | ||
2d7c7df6 JJ |
212 | i = strlen (canon_source_file); |
213 | while (i > 0 && !IS_DIR_SEPARATOR (canon_source_file[i])) | |
b424a572 FXC |
214 | i--; |
215 | if (i != 0) | |
216 | { | |
217 | source_path = alloca (i + 1); | |
2d7c7df6 | 218 | memcpy (source_path, canon_source_file, i); |
b424a572 FXC |
219 | source_path[i] = 0; |
220 | gfc_add_include_path (source_path); | |
221 | } | |
222 | else | |
223 | gfc_add_include_path ("."); | |
224 | ||
2d7c7df6 JJ |
225 | if (canon_source_file != gfc_source_file) |
226 | gfc_free ((void *) canon_source_file); | |
227 | ||
e0bcf78c TS |
228 | /* Decide which form the file will be read in as. */ |
229 | ||
230 | if (gfc_option.source_form != FORM_UNKNOWN) | |
231 | gfc_current_form = gfc_option.source_form; | |
232 | else | |
233 | { | |
234 | gfc_current_form = form_from_filename (filename); | |
235 | ||
236 | if (gfc_current_form == FORM_UNKNOWN) | |
237 | { | |
238 | gfc_current_form = FORM_FREE; | |
239 | gfc_warning_now ("Reading file '%s' as free form.", | |
2d7c7df6 | 240 | (filename[0] == '\0') ? "<stdin>" : filename); |
e0bcf78c TS |
241 | } |
242 | } | |
243 | ||
244 | /* If the user specified -fd-lines-as-{code|comments} verify that we're | |
245 | in fixed form. */ | |
246 | if (gfc_current_form == FORM_FREE) | |
247 | { | |
248 | if (gfc_option.flag_d_lines == 0) | |
249 | gfc_warning_now ("'-fd-lines-as-comments' has no effect " | |
250 | "in free form."); | |
251 | else if (gfc_option.flag_d_lines == 1) | |
252 | gfc_warning_now ("'-fd-lines-as-code' has no effect " | |
253 | "in free form."); | |
254 | } | |
6de9cd9a DN |
255 | |
256 | flag_inline_trees = 1; | |
257 | ||
258 | /* Use tree inlining. */ | |
259 | if (!flag_no_inline) | |
260 | flag_no_inline = 1; | |
261 | if (flag_inline_functions) | |
39afeb1a | 262 | flag_inline_trees = 2; |
fc2d8429 RS |
263 | |
264 | /* If -pedantic, warn about the use of GNU extensions. */ | |
265 | if (pedantic && (gfc_option.allow_std & GFC_STD_GNU) != 0) | |
266 | gfc_option.warn_std |= GFC_STD_GNU; | |
c0309c74 RS |
267 | /* -std=legacy -pedantic is effectively -std=gnu. */ |
268 | if (pedantic && (gfc_option.allow_std & GFC_STD_LEGACY) != 0) | |
269 | gfc_option.warn_std |= GFC_STD_F95_OBS | GFC_STD_F95_DEL | GFC_STD_LEGACY; | |
fc2d8429 | 270 | |
973ff4c0 TS |
271 | /* If the user didn't explicitly specify -f(no)-second-underscore we |
272 | use it if we're trying to be compatible with f2c, and not | |
273 | otherwise. */ | |
274 | if (gfc_option.flag_second_underscore == -1) | |
275 | gfc_option.flag_second_underscore = gfc_option.flag_f2c; | |
276 | ||
d05d9ac7 JJ |
277 | /* Implement -fno-automatic as -fmax-stack-var-size=0. */ |
278 | if (!gfc_option.flag_automatic) | |
279 | gfc_option.flag_max_stack_var_size = 0; | |
3fbab549 JD |
280 | |
281 | if (pedantic) | |
282 | gfc_option.warn_ampersand = 1; | |
d05d9ac7 | 283 | |
73a5988f SK |
284 | if (gfc_option.flag_all_intrinsics) |
285 | gfc_option.warn_nonstd_intrinsics = 0; | |
286 | ||
6de9cd9a DN |
287 | return false; |
288 | } | |
289 | ||
290 | ||
291 | /* Set the options for -Wall. */ | |
292 | ||
293 | static void | |
294 | set_Wall (void) | |
295 | { | |
296 | ||
297 | gfc_option.warn_aliasing = 1; | |
3fbab549 | 298 | gfc_option.warn_ampersand = 1; |
6de9cd9a | 299 | gfc_option.warn_line_truncation = 1; |
840bd9f7 | 300 | gfc_option.warn_nonstd_intrinsics = 1; |
6de9cd9a | 301 | gfc_option.warn_surprising = 1; |
840bd9f7 SK |
302 | gfc_option.warn_tabs = 0; |
303 | gfc_option.warn_underflow = 1; | |
2e5758e8 | 304 | |
6de9cd9a DN |
305 | set_Wunused (1); |
306 | warn_return_type = 1; | |
307 | warn_switch = 1; | |
308 | ||
309 | /* We save the value of warn_uninitialized, since if they put | |
310 | -Wuninitialized on the command line, we need to generate a | |
311 | warning about not using it without also specifying -O. */ | |
312 | ||
313 | if (warn_uninitialized != 1) | |
314 | warn_uninitialized = 2; | |
315 | } | |
316 | ||
317 | ||
318 | static void | |
319 | gfc_handle_module_path_options (const char *arg) | |
320 | { | |
321 | ||
322 | if (gfc_option.module_dir != NULL) | |
323 | { | |
324 | gfc_status ("gfortran: Only one -M option allowed\n"); | |
325 | exit (3); | |
326 | } | |
327 | ||
328 | if (arg == NULL) | |
329 | { | |
330 | gfc_status ("gfortran: Directory required after -M\n"); | |
331 | exit (3); | |
332 | } | |
333 | ||
629ceb93 | 334 | gfc_option.module_dir = (char *) gfc_getmem (strlen (arg) + 2); |
6de9cd9a DN |
335 | strcpy (gfc_option.module_dir, arg); |
336 | strcat (gfc_option.module_dir, "/"); | |
337 | } | |
338 | ||
944b8b35 FXC |
339 | static void |
340 | gfc_handle_fpe_trap_option (const char *arg) | |
341 | { | |
342 | int result, pos = 0, n; | |
343 | static const char * const exception[] = { "invalid", "denormal", "zero", | |
344 | "overflow", "underflow", | |
345 | "precision", NULL }; | |
346 | static const int opt_exception[] = { GFC_FPE_INVALID, GFC_FPE_DENORMAL, | |
347 | GFC_FPE_ZERO, GFC_FPE_OVERFLOW, | |
348 | GFC_FPE_UNDERFLOW, GFC_FPE_PRECISION, | |
349 | 0 }; | |
350 | ||
351 | while (*arg) | |
352 | { | |
353 | while (*arg == ',') | |
354 | arg++; | |
355 | while (arg[pos] && arg[pos] != ',') | |
356 | pos++; | |
357 | result = 0; | |
358 | for (n = 0; exception[n] != NULL; n++) | |
359 | { | |
360 | if (exception[n] && strncmp (exception[n], arg, pos) == 0) | |
361 | { | |
362 | gfc_option.fpe |= opt_exception[n]; | |
363 | arg += pos; | |
364 | pos = 0; | |
365 | result = 1; | |
366 | break; | |
367 | } | |
368 | } | |
369 | if (! result) | |
370 | gfc_fatal_error ("Argument to -ffpe-trap is not valid: %s", arg); | |
371 | } | |
372 | } | |
373 | ||
6de9cd9a DN |
374 | /* Handle command-line options. Returns 0 if unrecognized, 1 if |
375 | recognized and handled. */ | |
376 | int | |
377 | gfc_handle_option (size_t scode, const char *arg, int value) | |
378 | { | |
379 | int result = 1; | |
380 | enum opt_code code = (enum opt_code) scode; | |
381 | ||
382 | /* Ignore file names. */ | |
383 | if (code == N_OPTS) | |
384 | return 1; | |
385 | ||
386 | switch (code) | |
387 | { | |
388 | default: | |
389 | result = 0; | |
390 | break; | |
391 | ||
392 | case OPT_Wall: | |
393 | set_Wall (); | |
394 | break; | |
395 | ||
396 | case OPT_Waliasing: | |
397 | gfc_option.warn_aliasing = value; | |
398 | break; | |
399 | ||
3fbab549 JD |
400 | case OPT_Wampersand: |
401 | gfc_option.warn_ampersand = value; | |
402 | break; | |
403 | ||
6de9cd9a DN |
404 | case OPT_Wconversion: |
405 | gfc_option.warn_conversion = value; | |
406 | break; | |
407 | ||
408 | case OPT_Wimplicit_interface: | |
409 | gfc_option.warn_implicit_interface = value; | |
410 | break; | |
411 | ||
412 | case OPT_Wline_truncation: | |
413 | gfc_option.warn_line_truncation = value; | |
414 | break; | |
415 | ||
416 | case OPT_Wsurprising: | |
417 | gfc_option.warn_surprising = value; | |
418 | break; | |
419 | ||
840bd9f7 SK |
420 | case OPT_Wtabs: |
421 | gfc_option.warn_tabs = value; | |
422 | break; | |
423 | ||
424 | case OPT_Wunderflow: | |
425 | gfc_option.warn_underflow = value; | |
426 | break; | |
427 | ||
a23eec13 SK |
428 | case OPT_fall_intrinsics: |
429 | gfc_option.flag_all_intrinsics = 1; | |
430 | break; | |
431 | ||
432 | case OPT_fautomatic: | |
433 | gfc_option.flag_automatic = value; | |
434 | break; | |
435 | ||
436 | case OPT_fbackslash: | |
437 | gfc_option.flag_backslash = value; | |
438 | break; | |
83d890b9 AL |
439 | |
440 | case OPT_fcray_pointer: | |
441 | gfc_option.flag_cray_pointer = value; | |
442 | break; | |
6de9cd9a | 443 | |
973ff4c0 TS |
444 | case OPT_ff2c: |
445 | gfc_option.flag_f2c = value; | |
446 | break; | |
447 | ||
6de9cd9a DN |
448 | case OPT_fdollar_ok: |
449 | gfc_option.flag_dollar_ok = value; | |
450 | break; | |
451 | ||
5a0aad31 FXC |
452 | case OPT_fexternal_blas: |
453 | gfc_option.flag_external_blas = value; | |
454 | break; | |
455 | ||
456 | case OPT_fblas_matmul_limit_: | |
457 | gfc_option.blas_matmul_limit = value; | |
458 | break; | |
459 | ||
e0bcf78c TS |
460 | case OPT_fd_lines_as_code: |
461 | gfc_option.flag_d_lines = 1; | |
462 | break; | |
463 | ||
464 | case OPT_fd_lines_as_comments: | |
465 | gfc_option.flag_d_lines = 0; | |
466 | break; | |
467 | ||
6de9cd9a DN |
468 | case OPT_fdump_parse_tree: |
469 | gfc_option.verbose = value; | |
470 | break; | |
471 | ||
472 | case OPT_ffixed_form: | |
473 | gfc_option.source_form = FORM_FIXED; | |
474 | break; | |
475 | ||
16ab8e74 BF |
476 | case OPT_ffixed_line_length_none: |
477 | gfc_option.fixed_line_length = 0; | |
478 | break; | |
479 | ||
480 | case OPT_ffixed_line_length_: | |
481 | if (value != 0 && value < 7) | |
482 | gfc_fatal_error ("Fixed line length must be at least seven."); | |
483 | gfc_option.fixed_line_length = value; | |
484 | break; | |
485 | ||
6de9cd9a DN |
486 | case OPT_ffree_form: |
487 | gfc_option.source_form = FORM_FREE; | |
488 | break; | |
489 | ||
6c7a4dfd JJ |
490 | case OPT_fopenmp: |
491 | gfc_option.flag_openmp = value; | |
492 | break; | |
493 | ||
16ab8e74 BF |
494 | case OPT_ffree_line_length_none: |
495 | gfc_option.free_line_length = 0; | |
496 | break; | |
497 | ||
498 | case OPT_ffree_line_length_: | |
499 | gfc_option.free_line_length = value; | |
500 | break; | |
501 | ||
6de9cd9a DN |
502 | case OPT_funderscoring: |
503 | gfc_option.flag_underscoring = value; | |
504 | break; | |
505 | ||
506 | case OPT_fsecond_underscore: | |
507 | gfc_option.flag_second_underscore = value; | |
508 | break; | |
509 | ||
510 | case OPT_fimplicit_none: | |
511 | gfc_option.flag_implicit_none = value; | |
512 | break; | |
513 | ||
3f139fcf BM |
514 | case OPT_fmax_errors_: |
515 | gfc_option.max_errors = value; | |
516 | break; | |
517 | ||
6de9cd9a DN |
518 | case OPT_fmax_stack_var_size_: |
519 | gfc_option.flag_max_stack_var_size = value; | |
520 | break; | |
521 | ||
54554825 JD |
522 | case OPT_frange_check: |
523 | gfc_option.flag_range_check = value; | |
524 | break; | |
525 | ||
6de9cd9a DN |
526 | case OPT_fpack_derived: |
527 | gfc_option.flag_pack_derived = value; | |
528 | break; | |
529 | ||
530 | case OPT_frepack_arrays: | |
531 | gfc_option.flag_repack_arrays = value; | |
532 | break; | |
533 | ||
2d7c7df6 JJ |
534 | case OPT_fpreprocessed: |
535 | gfc_option.flag_preprocessed = value; | |
536 | break; | |
537 | ||
6de9cd9a DN |
538 | case OPT_fmax_identifier_length_: |
539 | if (value > GFC_MAX_SYMBOL_LEN) | |
eb6d74fa | 540 | gfc_fatal_error ("Maximum supported identifier length is %d", |
6de9cd9a DN |
541 | GFC_MAX_SYMBOL_LEN); |
542 | gfc_option.max_identifier_length = value; | |
543 | break; | |
544 | ||
3ae9eb27 SK |
545 | case OPT_fdefault_integer_8: |
546 | gfc_option.flag_default_integer = value; | |
6de9cd9a DN |
547 | break; |
548 | ||
3ae9eb27 SK |
549 | case OPT_fdefault_real_8: |
550 | gfc_option.flag_default_real = value; | |
6de9cd9a DN |
551 | break; |
552 | ||
3ae9eb27 SK |
553 | case OPT_fdefault_double_8: |
554 | gfc_option.flag_default_double = value; | |
6de9cd9a DN |
555 | break; |
556 | ||
557 | case OPT_I: | |
558 | gfc_add_include_path (arg); | |
559 | break; | |
560 | ||
561 | case OPT_J: | |
562 | case OPT_M: | |
563 | gfc_handle_module_path_options (arg); | |
2d0b4bcd | 564 | break; |
6de9cd9a | 565 | |
944b8b35 FXC |
566 | case OPT_ffpe_trap_: |
567 | gfc_handle_fpe_trap_option (arg); | |
568 | break; | |
569 | ||
6de9cd9a | 570 | case OPT_std_f95: |
b7892582 | 571 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95 | GFC_STD_F77; |
6de9cd9a DN |
572 | gfc_option.warn_std = GFC_STD_F95_OBS; |
573 | gfc_option.max_identifier_length = 31; | |
3fbab549 | 574 | gfc_option.warn_ampersand = 1; |
840bd9f7 | 575 | gfc_option.warn_tabs = 0; |
6de9cd9a DN |
576 | break; |
577 | ||
578 | case OPT_std_f2003: | |
b7892582 JB |
579 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F77 |
580 | | GFC_STD_F2003 | GFC_STD_F95; | |
581 | gfc_option.warn_std = GFC_STD_F95_OBS; | |
5a06474c JD |
582 | gfc_option.max_continue_fixed = 255; |
583 | gfc_option.max_continue_free = 255; | |
6de9cd9a | 584 | gfc_option.max_identifier_length = 63; |
3fbab549 | 585 | gfc_option.warn_ampersand = 1; |
6de9cd9a DN |
586 | break; |
587 | ||
588 | case OPT_std_gnu: | |
589 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
b7892582 | 590 | | GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F2003 |
c0309c74 RS |
591 | | GFC_STD_GNU | GFC_STD_LEGACY; |
592 | gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
593 | | GFC_STD_LEGACY; | |
594 | break; | |
595 | ||
596 | case OPT_std_legacy: | |
597 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
598 | | GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F2003 | |
599 | | GFC_STD_GNU | GFC_STD_LEGACY; | |
600 | gfc_option.warn_std = 0; | |
b7892582 JB |
601 | break; |
602 | ||
603 | case OPT_Wnonstd_intrinsics: | |
73a5988f | 604 | gfc_option.warn_nonstd_intrinsics = value; |
6de9cd9a | 605 | break; |
25d8f0a2 TS |
606 | |
607 | case OPT_fshort_enums: | |
608 | gfc_option.fshort_enums = 1; | |
609 | break; | |
eaa90d25 TK |
610 | |
611 | case OPT_fconvert_little_endian: | |
612 | gfc_option.convert = CONVERT_LITTLE; | |
613 | break; | |
614 | ||
615 | case OPT_fconvert_big_endian: | |
616 | gfc_option.convert = CONVERT_BIG; | |
617 | break; | |
618 | ||
619 | case OPT_fconvert_native: | |
620 | gfc_option.convert = CONVERT_NATIVE; | |
621 | break; | |
622 | ||
623 | case OPT_fconvert_swap: | |
624 | gfc_option.convert = CONVERT_SWAP; | |
625 | break; | |
d67ab5ee TK |
626 | |
627 | case OPT_frecord_marker_4: | |
628 | gfc_option.record_marker = 4; | |
629 | break; | |
630 | ||
631 | case OPT_frecord_marker_8: | |
632 | gfc_option.record_marker = 8; | |
633 | break; | |
6de9cd9a DN |
634 | } |
635 | ||
636 | return result; | |
637 | } |