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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" | |
a5320d39 | 32 | #include "params.h" |
6de9cd9a DN |
33 | #include "tree-inline.h" |
34 | ||
35 | #include "gfortran.h" | |
25d8f0a2 | 36 | #include "target.h" |
6de9cd9a DN |
37 | |
38 | gfc_option_t gfc_option; | |
39 | ||
40 | ||
41 | /* Get ready for options handling. */ | |
42 | ||
43 | unsigned int | |
44 | gfc_init_options (unsigned int argc ATTRIBUTE_UNUSED, | |
45 | const char **argv ATTRIBUTE_UNUSED) | |
46 | { | |
e0bcf78c | 47 | gfc_source_file = NULL; |
6de9cd9a DN |
48 | gfc_option.module_dir = NULL; |
49 | gfc_option.source_form = FORM_UNKNOWN; | |
1dde8683 BM |
50 | gfc_option.fixed_line_length = 72; |
51 | gfc_option.free_line_length = 132; | |
5a06474c JD |
52 | gfc_option.max_continue_fixed = 19; |
53 | gfc_option.max_continue_free = 39; | |
6de9cd9a | 54 | gfc_option.max_identifier_length = GFC_MAX_SYMBOL_LEN; |
07b3bbf2 TK |
55 | gfc_option.max_subrecord_length = 0; |
56 | gfc_option.convert = CONVERT_NATIVE; | |
57 | gfc_option.record_marker = 0; | |
6de9cd9a DN |
58 | gfc_option.verbose = 0; |
59 | ||
60 | gfc_option.warn_aliasing = 0; | |
3fbab549 | 61 | gfc_option.warn_ampersand = 0; |
6de9cd9a DN |
62 | gfc_option.warn_conversion = 0; |
63 | gfc_option.warn_implicit_interface = 0; | |
64 | gfc_option.warn_line_truncation = 0; | |
65 | gfc_option.warn_surprising = 0; | |
840bd9f7 SK |
66 | gfc_option.warn_tabs = 1; |
67 | gfc_option.warn_underflow = 1; | |
3f139fcf | 68 | gfc_option.max_errors = 25; |
6de9cd9a | 69 | |
a23eec13 | 70 | gfc_option.flag_all_intrinsics = 0; |
3ae9eb27 SK |
71 | gfc_option.flag_default_double = 0; |
72 | gfc_option.flag_default_integer = 0; | |
73 | gfc_option.flag_default_real = 0; | |
6de9cd9a DN |
74 | gfc_option.flag_dollar_ok = 0; |
75 | gfc_option.flag_underscoring = 1; | |
973ff4c0 TS |
76 | gfc_option.flag_f2c = 0; |
77 | gfc_option.flag_second_underscore = -1; | |
6de9cd9a DN |
78 | gfc_option.flag_implicit_none = 0; |
79 | gfc_option.flag_max_stack_var_size = 32768; | |
54554825 | 80 | gfc_option.flag_range_check = 1; |
6de9cd9a DN |
81 | gfc_option.flag_pack_derived = 0; |
82 | gfc_option.flag_repack_arrays = 0; | |
2d7c7df6 | 83 | gfc_option.flag_preprocessed = 0; |
ee5426a4 | 84 | gfc_option.flag_automatic = 1; |
131c66cd | 85 | gfc_option.flag_backslash = 1; |
5a0aad31 FXC |
86 | gfc_option.flag_external_blas = 0; |
87 | gfc_option.blas_matmul_limit = 30; | |
83d890b9 | 88 | gfc_option.flag_cray_pointer = 0; |
e0bcf78c | 89 | gfc_option.flag_d_lines = -1; |
6c7a4dfd | 90 | gfc_option.flag_openmp = 0; |
6de9cd9a | 91 | |
944b8b35 FXC |
92 | gfc_option.fpe = 0; |
93 | ||
0698a1d2 TM |
94 | /* Argument pointers cannot point to anything |
95 | but their argument. */ | |
96 | flag_argument_noalias = 3; | |
97 | ||
61e067cc | 98 | flag_errno_math = 0; |
6de9cd9a DN |
99 | |
100 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
c0309c74 RS |
101 | | GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F77 | GFC_STD_GNU |
102 | | GFC_STD_LEGACY; | |
6de9cd9a | 103 | gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL |
cce283c7 | 104 | | GFC_STD_LEGACY; |
6de9cd9a | 105 | |
b7892582 JB |
106 | gfc_option.warn_nonstd_intrinsics = 0; |
107 | ||
25d8f0a2 TS |
108 | /* -fshort-enums can be default on some targets. */ |
109 | gfc_option.fshort_enums = targetm.default_short_enums (); | |
110 | ||
a5320d39 RG |
111 | /* Increase MAX_ALIASED_VOPS to account for different characteristics |
112 | of fortran regarding VOPs. */ | |
113 | MAX_ALIASED_VOPS = 50; | |
114 | ||
7f26dfa3 | 115 | return CL_Fortran; |
6de9cd9a DN |
116 | } |
117 | ||
118 | ||
e0bcf78c TS |
119 | /* Determine the source form from the filename extension. We assume |
120 | case insensitivity. */ | |
121 | ||
122 | static gfc_source_form | |
123 | form_from_filename (const char *filename) | |
124 | { | |
125 | ||
126 | static const struct | |
127 | { | |
128 | const char *extension; | |
129 | gfc_source_form form; | |
130 | } | |
131 | exttype[] = | |
132 | { | |
133 | { | |
134 | ".f90", FORM_FREE} | |
135 | , | |
136 | { | |
137 | ".f95", FORM_FREE} | |
138 | , | |
139 | { | |
140 | ".f", FORM_FIXED} | |
141 | , | |
142 | { | |
143 | ".for", FORM_FIXED} | |
144 | , | |
145 | { | |
146 | "", FORM_UNKNOWN} | |
147 | }; /* sentinel value */ | |
148 | ||
149 | gfc_source_form f_form; | |
150 | const char *fileext; | |
151 | int i; | |
152 | ||
153 | /* Find end of file name. Note, filename is either a NULL pointer or | |
154 | a NUL terminated string. */ | |
155 | i = 0; | |
156 | while (filename[i] != '\0') | |
157 | i++; | |
158 | ||
159 | /* Find last period. */ | |
160 | while (i >= 0 && (filename[i] != '.')) | |
161 | i--; | |
162 | ||
163 | /* Did we see a file extension? */ | |
164 | if (i < 0) | |
165 | return FORM_UNKNOWN; /* Nope */ | |
166 | ||
167 | /* Get file extension and compare it to others. */ | |
168 | fileext = &(filename[i]); | |
169 | ||
170 | i = -1; | |
171 | f_form = FORM_UNKNOWN; | |
172 | do | |
173 | { | |
174 | i++; | |
175 | if (strcasecmp (fileext, exttype[i].extension) == 0) | |
176 | { | |
177 | f_form = exttype[i].form; | |
178 | break; | |
179 | } | |
180 | } | |
181 | while (exttype[i].form != FORM_UNKNOWN); | |
182 | ||
183 | return f_form; | |
184 | } | |
185 | ||
186 | ||
6de9cd9a DN |
187 | /* Finalize commandline options. */ |
188 | ||
189 | bool | |
190 | gfc_post_options (const char **pfilename) | |
191 | { | |
2d7c7df6 | 192 | const char *filename = *pfilename, *canon_source_file = NULL; |
b424a572 FXC |
193 | char *source_path; |
194 | int i; | |
6de9cd9a DN |
195 | |
196 | /* Verify the input file name. */ | |
197 | if (!filename || strcmp (filename, "-") == 0) | |
198 | { | |
199 | filename = ""; | |
200 | } | |
201 | ||
2d7c7df6 JJ |
202 | if (gfc_option.flag_preprocessed) |
203 | { | |
204 | /* For preprocessed files, if the first tokens are of the form # NUM. | |
205 | handle the directives so we know the original file name. */ | |
206 | gfc_source_file = gfc_read_orig_filename (filename, &canon_source_file); | |
207 | if (gfc_source_file == NULL) | |
208 | gfc_source_file = filename; | |
209 | else | |
210 | *pfilename = gfc_source_file; | |
211 | } | |
212 | else | |
213 | gfc_source_file = filename; | |
214 | ||
215 | if (canon_source_file == NULL) | |
216 | canon_source_file = gfc_source_file; | |
e0bcf78c | 217 | |
b424a572 FXC |
218 | /* Adds the path where the source file is to the list of include files. */ |
219 | ||
2d7c7df6 JJ |
220 | i = strlen (canon_source_file); |
221 | while (i > 0 && !IS_DIR_SEPARATOR (canon_source_file[i])) | |
b424a572 FXC |
222 | i--; |
223 | if (i != 0) | |
224 | { | |
225 | source_path = alloca (i + 1); | |
2d7c7df6 | 226 | memcpy (source_path, canon_source_file, i); |
b424a572 | 227 | source_path[i] = 0; |
31198773 | 228 | gfc_add_include_path (source_path, true); |
b424a572 FXC |
229 | } |
230 | else | |
31198773 | 231 | gfc_add_include_path (".", true); |
b424a572 | 232 | |
2d7c7df6 JJ |
233 | if (canon_source_file != gfc_source_file) |
234 | gfc_free ((void *) canon_source_file); | |
235 | ||
e0bcf78c TS |
236 | /* Decide which form the file will be read in as. */ |
237 | ||
238 | if (gfc_option.source_form != FORM_UNKNOWN) | |
239 | gfc_current_form = gfc_option.source_form; | |
240 | else | |
241 | { | |
242 | gfc_current_form = form_from_filename (filename); | |
243 | ||
244 | if (gfc_current_form == FORM_UNKNOWN) | |
245 | { | |
246 | gfc_current_form = FORM_FREE; | |
e25a0da3 | 247 | gfc_warning_now ("Reading file '%s' as free form", |
2d7c7df6 | 248 | (filename[0] == '\0') ? "<stdin>" : filename); |
e0bcf78c TS |
249 | } |
250 | } | |
251 | ||
252 | /* If the user specified -fd-lines-as-{code|comments} verify that we're | |
253 | in fixed form. */ | |
254 | if (gfc_current_form == FORM_FREE) | |
255 | { | |
256 | if (gfc_option.flag_d_lines == 0) | |
257 | gfc_warning_now ("'-fd-lines-as-comments' has no effect " | |
e25a0da3 | 258 | "in free form"); |
e0bcf78c TS |
259 | else if (gfc_option.flag_d_lines == 1) |
260 | gfc_warning_now ("'-fd-lines-as-code' has no effect " | |
e25a0da3 | 261 | "in free form"); |
e0bcf78c | 262 | } |
6de9cd9a DN |
263 | |
264 | flag_inline_trees = 1; | |
265 | ||
266 | /* Use tree inlining. */ | |
267 | if (!flag_no_inline) | |
268 | flag_no_inline = 1; | |
269 | if (flag_inline_functions) | |
39afeb1a | 270 | flag_inline_trees = 2; |
fc2d8429 RS |
271 | |
272 | /* If -pedantic, warn about the use of GNU extensions. */ | |
273 | if (pedantic && (gfc_option.allow_std & GFC_STD_GNU) != 0) | |
274 | gfc_option.warn_std |= GFC_STD_GNU; | |
c0309c74 RS |
275 | /* -std=legacy -pedantic is effectively -std=gnu. */ |
276 | if (pedantic && (gfc_option.allow_std & GFC_STD_LEGACY) != 0) | |
277 | gfc_option.warn_std |= GFC_STD_F95_OBS | GFC_STD_F95_DEL | GFC_STD_LEGACY; | |
fc2d8429 | 278 | |
973ff4c0 TS |
279 | /* If the user didn't explicitly specify -f(no)-second-underscore we |
280 | use it if we're trying to be compatible with f2c, and not | |
281 | otherwise. */ | |
282 | if (gfc_option.flag_second_underscore == -1) | |
283 | gfc_option.flag_second_underscore = gfc_option.flag_f2c; | |
284 | ||
d05d9ac7 JJ |
285 | /* Implement -fno-automatic as -fmax-stack-var-size=0. */ |
286 | if (!gfc_option.flag_automatic) | |
287 | gfc_option.flag_max_stack_var_size = 0; | |
3fbab549 JD |
288 | |
289 | if (pedantic) | |
290 | gfc_option.warn_ampersand = 1; | |
d05d9ac7 | 291 | |
73a5988f SK |
292 | if (gfc_option.flag_all_intrinsics) |
293 | gfc_option.warn_nonstd_intrinsics = 0; | |
294 | ||
6de9cd9a DN |
295 | return false; |
296 | } | |
297 | ||
298 | ||
299 | /* Set the options for -Wall. */ | |
300 | ||
301 | static void | |
302 | set_Wall (void) | |
303 | { | |
304 | ||
305 | gfc_option.warn_aliasing = 1; | |
3fbab549 | 306 | gfc_option.warn_ampersand = 1; |
6de9cd9a | 307 | gfc_option.warn_line_truncation = 1; |
840bd9f7 | 308 | gfc_option.warn_nonstd_intrinsics = 1; |
6de9cd9a | 309 | gfc_option.warn_surprising = 1; |
840bd9f7 SK |
310 | gfc_option.warn_tabs = 0; |
311 | gfc_option.warn_underflow = 1; | |
2220652d | 312 | gfc_option.warn_character_truncation = 1; |
2e5758e8 | 313 | |
6de9cd9a DN |
314 | set_Wunused (1); |
315 | warn_return_type = 1; | |
316 | warn_switch = 1; | |
317 | ||
318 | /* We save the value of warn_uninitialized, since if they put | |
319 | -Wuninitialized on the command line, we need to generate a | |
320 | warning about not using it without also specifying -O. */ | |
321 | ||
322 | if (warn_uninitialized != 1) | |
323 | warn_uninitialized = 2; | |
324 | } | |
325 | ||
326 | ||
327 | static void | |
328 | gfc_handle_module_path_options (const char *arg) | |
329 | { | |
330 | ||
331 | if (gfc_option.module_dir != NULL) | |
332 | { | |
333 | gfc_status ("gfortran: Only one -M option allowed\n"); | |
334 | exit (3); | |
335 | } | |
336 | ||
337 | if (arg == NULL) | |
338 | { | |
339 | gfc_status ("gfortran: Directory required after -M\n"); | |
340 | exit (3); | |
341 | } | |
342 | ||
629ceb93 | 343 | gfc_option.module_dir = (char *) gfc_getmem (strlen (arg) + 2); |
6de9cd9a DN |
344 | strcpy (gfc_option.module_dir, arg); |
345 | strcat (gfc_option.module_dir, "/"); | |
346 | } | |
347 | ||
944b8b35 FXC |
348 | static void |
349 | gfc_handle_fpe_trap_option (const char *arg) | |
350 | { | |
351 | int result, pos = 0, n; | |
352 | static const char * const exception[] = { "invalid", "denormal", "zero", | |
353 | "overflow", "underflow", | |
354 | "precision", NULL }; | |
355 | static const int opt_exception[] = { GFC_FPE_INVALID, GFC_FPE_DENORMAL, | |
356 | GFC_FPE_ZERO, GFC_FPE_OVERFLOW, | |
357 | GFC_FPE_UNDERFLOW, GFC_FPE_PRECISION, | |
358 | 0 }; | |
359 | ||
360 | while (*arg) | |
361 | { | |
362 | while (*arg == ',') | |
363 | arg++; | |
364 | while (arg[pos] && arg[pos] != ',') | |
365 | pos++; | |
366 | result = 0; | |
367 | for (n = 0; exception[n] != NULL; n++) | |
368 | { | |
369 | if (exception[n] && strncmp (exception[n], arg, pos) == 0) | |
370 | { | |
371 | gfc_option.fpe |= opt_exception[n]; | |
372 | arg += pos; | |
373 | pos = 0; | |
374 | result = 1; | |
375 | break; | |
376 | } | |
377 | } | |
378 | if (! result) | |
379 | gfc_fatal_error ("Argument to -ffpe-trap is not valid: %s", arg); | |
380 | } | |
381 | } | |
382 | ||
6de9cd9a DN |
383 | /* Handle command-line options. Returns 0 if unrecognized, 1 if |
384 | recognized and handled. */ | |
385 | int | |
386 | gfc_handle_option (size_t scode, const char *arg, int value) | |
387 | { | |
388 | int result = 1; | |
389 | enum opt_code code = (enum opt_code) scode; | |
390 | ||
391 | /* Ignore file names. */ | |
392 | if (code == N_OPTS) | |
393 | return 1; | |
394 | ||
395 | switch (code) | |
396 | { | |
397 | default: | |
398 | result = 0; | |
399 | break; | |
400 | ||
401 | case OPT_Wall: | |
402 | set_Wall (); | |
403 | break; | |
404 | ||
405 | case OPT_Waliasing: | |
406 | gfc_option.warn_aliasing = value; | |
407 | break; | |
408 | ||
3fbab549 JD |
409 | case OPT_Wampersand: |
410 | gfc_option.warn_ampersand = value; | |
411 | break; | |
412 | ||
6de9cd9a DN |
413 | case OPT_Wconversion: |
414 | gfc_option.warn_conversion = value; | |
415 | break; | |
416 | ||
417 | case OPT_Wimplicit_interface: | |
418 | gfc_option.warn_implicit_interface = value; | |
419 | break; | |
420 | ||
421 | case OPT_Wline_truncation: | |
422 | gfc_option.warn_line_truncation = value; | |
423 | break; | |
424 | ||
425 | case OPT_Wsurprising: | |
426 | gfc_option.warn_surprising = value; | |
427 | break; | |
428 | ||
840bd9f7 SK |
429 | case OPT_Wtabs: |
430 | gfc_option.warn_tabs = value; | |
431 | break; | |
432 | ||
433 | case OPT_Wunderflow: | |
434 | gfc_option.warn_underflow = value; | |
435 | break; | |
436 | ||
a23eec13 SK |
437 | case OPT_fall_intrinsics: |
438 | gfc_option.flag_all_intrinsics = 1; | |
439 | break; | |
440 | ||
441 | case OPT_fautomatic: | |
442 | gfc_option.flag_automatic = value; | |
443 | break; | |
444 | ||
445 | case OPT_fbackslash: | |
446 | gfc_option.flag_backslash = value; | |
447 | break; | |
83d890b9 AL |
448 | |
449 | case OPT_fcray_pointer: | |
450 | gfc_option.flag_cray_pointer = value; | |
451 | break; | |
6de9cd9a | 452 | |
973ff4c0 TS |
453 | case OPT_ff2c: |
454 | gfc_option.flag_f2c = value; | |
455 | break; | |
456 | ||
6de9cd9a DN |
457 | case OPT_fdollar_ok: |
458 | gfc_option.flag_dollar_ok = value; | |
459 | break; | |
460 | ||
5a0aad31 FXC |
461 | case OPT_fexternal_blas: |
462 | gfc_option.flag_external_blas = value; | |
463 | break; | |
464 | ||
465 | case OPT_fblas_matmul_limit_: | |
466 | gfc_option.blas_matmul_limit = value; | |
467 | break; | |
468 | ||
e0bcf78c TS |
469 | case OPT_fd_lines_as_code: |
470 | gfc_option.flag_d_lines = 1; | |
471 | break; | |
472 | ||
473 | case OPT_fd_lines_as_comments: | |
474 | gfc_option.flag_d_lines = 0; | |
475 | break; | |
476 | ||
6de9cd9a DN |
477 | case OPT_fdump_parse_tree: |
478 | gfc_option.verbose = value; | |
479 | break; | |
480 | ||
481 | case OPT_ffixed_form: | |
482 | gfc_option.source_form = FORM_FIXED; | |
483 | break; | |
484 | ||
16ab8e74 BF |
485 | case OPT_ffixed_line_length_none: |
486 | gfc_option.fixed_line_length = 0; | |
487 | break; | |
488 | ||
489 | case OPT_ffixed_line_length_: | |
490 | if (value != 0 && value < 7) | |
491 | gfc_fatal_error ("Fixed line length must be at least seven."); | |
492 | gfc_option.fixed_line_length = value; | |
493 | break; | |
494 | ||
6de9cd9a DN |
495 | case OPT_ffree_form: |
496 | gfc_option.source_form = FORM_FREE; | |
497 | break; | |
498 | ||
6c7a4dfd JJ |
499 | case OPT_fopenmp: |
500 | gfc_option.flag_openmp = value; | |
501 | break; | |
502 | ||
16ab8e74 BF |
503 | case OPT_ffree_line_length_none: |
504 | gfc_option.free_line_length = 0; | |
505 | break; | |
506 | ||
507 | case OPT_ffree_line_length_: | |
508 | gfc_option.free_line_length = value; | |
509 | break; | |
510 | ||
6de9cd9a DN |
511 | case OPT_funderscoring: |
512 | gfc_option.flag_underscoring = value; | |
513 | break; | |
514 | ||
515 | case OPT_fsecond_underscore: | |
516 | gfc_option.flag_second_underscore = value; | |
517 | break; | |
518 | ||
519 | case OPT_fimplicit_none: | |
520 | gfc_option.flag_implicit_none = value; | |
521 | break; | |
522 | ||
31198773 FXC |
523 | case OPT_fintrinsic_modules_path: |
524 | gfc_add_include_path (arg, false); | |
525 | gfc_add_intrinsic_modules_path (arg); | |
526 | break; | |
527 | ||
3f139fcf BM |
528 | case OPT_fmax_errors_: |
529 | gfc_option.max_errors = value; | |
530 | break; | |
531 | ||
6de9cd9a DN |
532 | case OPT_fmax_stack_var_size_: |
533 | gfc_option.flag_max_stack_var_size = value; | |
534 | break; | |
535 | ||
54554825 JD |
536 | case OPT_frange_check: |
537 | gfc_option.flag_range_check = value; | |
538 | break; | |
539 | ||
6de9cd9a DN |
540 | case OPT_fpack_derived: |
541 | gfc_option.flag_pack_derived = value; | |
542 | break; | |
543 | ||
544 | case OPT_frepack_arrays: | |
545 | gfc_option.flag_repack_arrays = value; | |
546 | break; | |
547 | ||
2d7c7df6 JJ |
548 | case OPT_fpreprocessed: |
549 | gfc_option.flag_preprocessed = value; | |
550 | break; | |
551 | ||
6de9cd9a DN |
552 | case OPT_fmax_identifier_length_: |
553 | if (value > GFC_MAX_SYMBOL_LEN) | |
eb6d74fa | 554 | gfc_fatal_error ("Maximum supported identifier length is %d", |
6de9cd9a DN |
555 | GFC_MAX_SYMBOL_LEN); |
556 | gfc_option.max_identifier_length = value; | |
557 | break; | |
558 | ||
3ae9eb27 SK |
559 | case OPT_fdefault_integer_8: |
560 | gfc_option.flag_default_integer = value; | |
6de9cd9a DN |
561 | break; |
562 | ||
3ae9eb27 SK |
563 | case OPT_fdefault_real_8: |
564 | gfc_option.flag_default_real = value; | |
6de9cd9a DN |
565 | break; |
566 | ||
3ae9eb27 SK |
567 | case OPT_fdefault_double_8: |
568 | gfc_option.flag_default_double = value; | |
6de9cd9a DN |
569 | break; |
570 | ||
571 | case OPT_I: | |
31198773 | 572 | gfc_add_include_path (arg, true); |
6de9cd9a DN |
573 | break; |
574 | ||
575 | case OPT_J: | |
576 | case OPT_M: | |
577 | gfc_handle_module_path_options (arg); | |
2d0b4bcd | 578 | break; |
6de9cd9a | 579 | |
944b8b35 FXC |
580 | case OPT_ffpe_trap_: |
581 | gfc_handle_fpe_trap_option (arg); | |
582 | break; | |
583 | ||
6de9cd9a | 584 | case OPT_std_f95: |
b7892582 | 585 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95 | GFC_STD_F77; |
6de9cd9a DN |
586 | gfc_option.warn_std = GFC_STD_F95_OBS; |
587 | gfc_option.max_identifier_length = 31; | |
3fbab549 | 588 | gfc_option.warn_ampersand = 1; |
840bd9f7 | 589 | gfc_option.warn_tabs = 0; |
6de9cd9a DN |
590 | break; |
591 | ||
592 | case OPT_std_f2003: | |
b7892582 JB |
593 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F77 |
594 | | GFC_STD_F2003 | GFC_STD_F95; | |
595 | gfc_option.warn_std = GFC_STD_F95_OBS; | |
5a06474c JD |
596 | gfc_option.max_continue_fixed = 255; |
597 | gfc_option.max_continue_free = 255; | |
6de9cd9a | 598 | gfc_option.max_identifier_length = 63; |
3fbab549 | 599 | gfc_option.warn_ampersand = 1; |
6de9cd9a DN |
600 | break; |
601 | ||
602 | case OPT_std_gnu: | |
603 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
b7892582 | 604 | | GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F2003 |
c0309c74 RS |
605 | | GFC_STD_GNU | GFC_STD_LEGACY; |
606 | gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
607 | | GFC_STD_LEGACY; | |
608 | break; | |
609 | ||
610 | case OPT_std_legacy: | |
611 | gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL | |
612 | | GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F2003 | |
613 | | GFC_STD_GNU | GFC_STD_LEGACY; | |
614 | gfc_option.warn_std = 0; | |
b7892582 JB |
615 | break; |
616 | ||
617 | case OPT_Wnonstd_intrinsics: | |
73a5988f | 618 | gfc_option.warn_nonstd_intrinsics = value; |
6de9cd9a | 619 | break; |
25d8f0a2 TS |
620 | |
621 | case OPT_fshort_enums: | |
622 | gfc_option.fshort_enums = 1; | |
623 | break; | |
eaa90d25 TK |
624 | |
625 | case OPT_fconvert_little_endian: | |
626 | gfc_option.convert = CONVERT_LITTLE; | |
627 | break; | |
628 | ||
629 | case OPT_fconvert_big_endian: | |
630 | gfc_option.convert = CONVERT_BIG; | |
631 | break; | |
632 | ||
633 | case OPT_fconvert_native: | |
634 | gfc_option.convert = CONVERT_NATIVE; | |
635 | break; | |
636 | ||
637 | case OPT_fconvert_swap: | |
638 | gfc_option.convert = CONVERT_SWAP; | |
639 | break; | |
d67ab5ee TK |
640 | |
641 | case OPT_frecord_marker_4: | |
642 | gfc_option.record_marker = 4; | |
643 | break; | |
644 | ||
645 | case OPT_frecord_marker_8: | |
646 | gfc_option.record_marker = 8; | |
647 | break; | |
07b3bbf2 TK |
648 | |
649 | case OPT_fmax_subrecord_length_: | |
650 | if (value > MAX_SUBRECORD_LENGTH) | |
651 | gfc_fatal_error ("Maximum subrecord length cannot exceed %d", MAX_SUBRECORD_LENGTH); | |
652 | ||
653 | gfc_option.max_subrecord_length = value; | |
6de9cd9a DN |
654 | } |
655 | ||
656 | return result; | |
657 | } |