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b4c522fa | 1 | /* d-lang.cc -- Language-dependent hooks for D. |
7adcbafe | 2 | Copyright (C) 2006-2022 Free Software Foundation, Inc. |
b4c522fa IB |
3 | |
4 | GCC is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 3, or (at your option) | |
7 | any later version. | |
8 | ||
9 | GCC 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 | |
15 | along with GCC; see the file COPYING3. If not see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "config.h" | |
19 | #include "system.h" | |
20 | #include "coretypes.h" | |
21 | ||
22 | #include "dmd/aggregate.h" | |
23 | #include "dmd/cond.h" | |
24 | #include "dmd/declaration.h" | |
25 | #include "dmd/doc.h" | |
26 | #include "dmd/errors.h" | |
27 | #include "dmd/expression.h" | |
28 | #include "dmd/hdrgen.h" | |
5fee5ec3 | 29 | #include "dmd/id.h" |
b4c522fa IB |
30 | #include "dmd/identifier.h" |
31 | #include "dmd/json.h" | |
32 | #include "dmd/mangle.h" | |
b4c522fa IB |
33 | #include "dmd/module.h" |
34 | #include "dmd/mtype.h" | |
5fee5ec3 | 35 | #include "dmd/root/file.h" |
b4c522fa IB |
36 | #include "dmd/target.h" |
37 | ||
38 | #include "opts.h" | |
39 | #include "alias.h" | |
40 | #include "tree.h" | |
41 | #include "diagnostic.h" | |
42 | #include "fold-const.h" | |
43 | #include "toplev.h" | |
44 | #include "langhooks.h" | |
45 | #include "langhooks-def.h" | |
46 | #include "target.h" | |
707e9159 | 47 | #include "function.h" |
b4c522fa IB |
48 | #include "stringpool.h" |
49 | #include "stor-layout.h" | |
50 | #include "varasm.h" | |
51 | #include "output.h" | |
52 | #include "print-tree.h" | |
b4c522fa | 53 | #include "debug.h" |
3ac6b5cf | 54 | #include "input.h" |
b4c522fa IB |
55 | |
56 | #include "d-tree.h" | |
5fee5ec3 | 57 | #include "d-frontend.h" |
b4c522fa IB |
58 | |
59 | ||
60 | /* Array of D frontend type/decl nodes. */ | |
61 | tree d_global_trees[DTI_MAX]; | |
62 | ||
63 | /* True if compilation is currently inside the D frontend semantic passes. */ | |
64 | bool doing_semantic_analysis_p = false; | |
65 | ||
66 | /* Options handled by the compiler that are separate from the frontend. */ | |
67 | struct d_option_data | |
68 | { | |
69 | const char *fonly; /* -fonly=<arg> */ | |
70 | const char *multilib; /* -imultilib <dir> */ | |
71 | const char *prefix; /* -iprefix <dir> */ | |
72 | ||
73 | bool deps; /* -M */ | |
74 | bool deps_skip_system; /* -MM */ | |
75 | const char *deps_filename; /* -M[M]D */ | |
76 | const char *deps_filename_user; /* -MF <arg> */ | |
a23b6d61 | 77 | vec <const char *> deps_target; /* -M[QT] <arg> */ |
b4c522fa IB |
78 | bool deps_phony; /* -MP */ |
79 | ||
80 | bool stdinc; /* -nostdinc */ | |
81 | } | |
82 | d_option; | |
83 | ||
84 | /* List of modules being compiled. */ | |
85 | static Modules builtin_modules; | |
86 | ||
b4c522fa IB |
87 | /* The current and global binding level in effect. */ |
88 | struct binding_level *current_binding_level; | |
89 | struct binding_level *global_binding_level; | |
90 | ||
91 | /* The context to be used for global declarations. */ | |
92 | static GTY(()) tree global_context; | |
93 | ||
94 | /* Array of all global declarations to pass back to the middle-end. */ | |
af3c19f0 | 95 | static GTY(()) vec <tree, va_gc> *global_declarations; |
b4c522fa IB |
96 | |
97 | /* Support for GCC-style command-line make dependency generation. | |
98 | Adds TARGET to the make dependencies target buffer. | |
99 | QUOTED is true if the string should be quoted. */ | |
100 | ||
101 | static void | |
102 | deps_add_target (const char *target, bool quoted) | |
103 | { | |
a23b6d61 IB |
104 | obstack buffer; |
105 | gcc_obstack_init (&buffer); | |
b4c522fa IB |
106 | |
107 | if (!quoted) | |
108 | { | |
b2abe4e1 | 109 | obstack_grow0 (&buffer, target, strlen (target)); |
a23b6d61 | 110 | d_option.deps_target.safe_push ((const char *) obstack_finish (&buffer)); |
b4c522fa IB |
111 | return; |
112 | } | |
113 | ||
114 | /* Quote characters in target which are significant to Make. */ | |
209da90b IB |
115 | unsigned slashes = 0; |
116 | ||
b4c522fa IB |
117 | for (const char *p = target; *p != '\0'; p++) |
118 | { | |
119 | switch (*p) | |
120 | { | |
209da90b IB |
121 | case '\\': |
122 | slashes++; | |
123 | break; | |
124 | ||
b4c522fa IB |
125 | case ' ': |
126 | case '\t': | |
209da90b | 127 | while (slashes--) |
a23b6d61 IB |
128 | obstack_1grow (&buffer, '\\'); |
129 | obstack_1grow (&buffer, '\\'); | |
209da90b | 130 | goto Ldef; |
b4c522fa IB |
131 | |
132 | case '$': | |
a23b6d61 | 133 | obstack_1grow (&buffer, '$'); |
209da90b | 134 | goto Ldef; |
b4c522fa IB |
135 | |
136 | case '#': | |
209da90b | 137 | case ':': |
a23b6d61 | 138 | obstack_1grow (&buffer, '\\'); |
209da90b | 139 | goto Ldef; |
b4c522fa IB |
140 | |
141 | default: | |
209da90b IB |
142 | Ldef: |
143 | slashes = 0; | |
b4c522fa IB |
144 | break; |
145 | } | |
146 | ||
a23b6d61 | 147 | obstack_1grow (&buffer, *p); |
b4c522fa | 148 | } |
a23b6d61 | 149 | |
b2abe4e1 | 150 | obstack_1grow (&buffer, '\0'); |
a23b6d61 | 151 | d_option.deps_target.safe_push ((const char *) obstack_finish (&buffer)); |
b4c522fa IB |
152 | } |
153 | ||
a23b6d61 | 154 | /* Write STR, with a leading space to BUFFER, updating COLUMN as appropriate. |
b4c522fa IB |
155 | COLMAX is the number of columns to word-wrap at (0 means don't wrap). */ |
156 | ||
157 | static void | |
a23b6d61 IB |
158 | deps_write_string (const char *str, obstack *buffer, unsigned &column, |
159 | unsigned colmax = 72) | |
160 | { | |
161 | unsigned size = strlen (str); | |
162 | ||
163 | if (column != 0) | |
164 | { | |
165 | if (colmax && column + size > colmax) | |
166 | { | |
167 | obstack_grow (buffer, " \\\n ", 4); | |
168 | column = 1; | |
169 | } | |
170 | else | |
171 | { | |
172 | obstack_1grow (buffer, ' '); | |
173 | column++; | |
174 | } | |
175 | } | |
176 | ||
177 | column += size; | |
178 | obstack_grow (buffer, str, size); | |
179 | } | |
180 | ||
181 | /* Write out all dependencies of a given MODULE to the specified BUFFER. */ | |
182 | ||
183 | static void | |
184 | deps_write (Module *module, obstack *buffer) | |
b4c522fa | 185 | { |
4a01f7b1 IB |
186 | hash_set <const char *> seen_modules; |
187 | vec <const char *> dependencies = vNULL; | |
b4c522fa IB |
188 | |
189 | Modules modlist; | |
190 | modlist.push (module); | |
191 | ||
fbe60463 | 192 | vec <const char *> phonylist = vNULL; |
b4c522fa IB |
193 | unsigned column = 0; |
194 | ||
195 | /* Write out make target module name. */ | |
a23b6d61 | 196 | if (d_option.deps_target.length ()) |
b4c522fa | 197 | { |
a23b6d61 IB |
198 | for (unsigned i = 0; i < d_option.deps_target.length (); i++) |
199 | deps_write_string (d_option.deps_target[i], buffer, column); | |
b4c522fa IB |
200 | } |
201 | else | |
5fee5ec3 | 202 | deps_write_string (module->objfile.toChars (), buffer, column); |
b4c522fa | 203 | |
a23b6d61 | 204 | obstack_1grow (buffer, ':'); |
b4c522fa IB |
205 | column++; |
206 | ||
4a01f7b1 | 207 | /* Search all modules for file dependencies. */ |
2cbc99d1 | 208 | while (modlist.length > 0) |
b4c522fa IB |
209 | { |
210 | Module *depmod = modlist.pop (); | |
211 | ||
5fee5ec3 | 212 | const char *modstr = depmod->srcfile.toChars (); |
b4c522fa | 213 | |
4a01f7b1 | 214 | /* Skip modules that have already been looked at. */ |
fbe60463 | 215 | if (seen_modules.add (modstr)) |
b4c522fa IB |
216 | continue; |
217 | ||
fbe60463 | 218 | dependencies.safe_push (modstr); |
b4c522fa IB |
219 | |
220 | /* Add to list of phony targets if is not being compile. */ | |
221 | if (d_option.deps_phony && !depmod->isRoot ()) | |
fbe60463 | 222 | phonylist.safe_push (modstr); |
b4c522fa | 223 | |
4a01f7b1 | 224 | /* Add imported files to dependency list. */ |
2cbc99d1 | 225 | for (size_t i = 0; i < depmod->contentImportedFiles.length; i++) |
fbe60463 IB |
226 | { |
227 | const char *impstr = depmod->contentImportedFiles[i]; | |
228 | dependencies.safe_push (impstr); | |
229 | phonylist.safe_push (impstr); | |
230 | } | |
4a01f7b1 IB |
231 | |
232 | /* Search all imports of the module. */ | |
2cbc99d1 | 233 | for (size_t i = 0; i < depmod->aimports.length; i++) |
b4c522fa IB |
234 | { |
235 | Module *m = depmod->aimports[i]; | |
236 | ||
237 | /* Ignore compiler-generated modules. */ | |
5fee5ec3 | 238 | if (m->ident == Identifier::idPool ("__main") && m->parent == NULL) |
b4c522fa IB |
239 | continue; |
240 | ||
241 | /* Don't search system installed modules, this includes | |
242 | object, core.*, std.*, and gcc.* packages. */ | |
243 | if (d_option.deps_skip_system) | |
244 | { | |
245 | if (m->ident == Identifier::idPool ("object") | |
246 | && m->parent == NULL) | |
247 | continue; | |
248 | ||
5fee5ec3 | 249 | if (m->md && m->md->packages.length) |
b4c522fa | 250 | { |
5fee5ec3 | 251 | Identifier *package = m->md->packages.ptr[0]; |
b4c522fa IB |
252 | |
253 | if (package == Identifier::idPool ("core") | |
254 | || package == Identifier::idPool ("std") | |
255 | || package == Identifier::idPool ("gcc")) | |
256 | continue; | |
257 | } | |
258 | } | |
259 | ||
260 | modlist.push (m); | |
261 | } | |
262 | } | |
263 | ||
4a01f7b1 IB |
264 | /* Write out all make dependencies. */ |
265 | for (size_t i = 0; i < dependencies.length (); i++) | |
a23b6d61 | 266 | deps_write_string (dependencies[i], buffer, column); |
4a01f7b1 | 267 | |
a23b6d61 | 268 | obstack_1grow (buffer, '\n'); |
b4c522fa IB |
269 | |
270 | /* Write out all phony targets. */ | |
fbe60463 | 271 | for (size_t i = 0; i < phonylist.length (); i++) |
b4c522fa | 272 | { |
a23b6d61 IB |
273 | const char *str = phonylist[i]; |
274 | obstack_1grow (buffer, '\n'); | |
275 | obstack_grow (buffer, str, strlen (str)); | |
276 | obstack_grow (buffer, ":\n", 2); | |
b4c522fa | 277 | } |
b2abe4e1 IB |
278 | |
279 | obstack_1grow (buffer, '\0'); | |
b4c522fa IB |
280 | } |
281 | ||
282 | /* Implements the lang_hooks.init_options routine for language D. | |
283 | This initializes the global state for the D frontend before calling | |
284 | the option handlers. */ | |
285 | ||
286 | static void | |
287 | d_init_options (unsigned int, cl_decoded_option *decoded_options) | |
288 | { | |
5fee5ec3 IB |
289 | /* Initialize the D runtime. */ |
290 | rt_init (); | |
fa10faa7 | 291 | gc_disable (); |
5fee5ec3 | 292 | |
b4c522fa IB |
293 | /* Set default values. */ |
294 | global._init (); | |
295 | ||
296 | global.vendor = lang_hooks.name; | |
297 | global.params.argv0 = xstrdup (decoded_options[0].arg); | |
98866120 | 298 | global.params.errorLimit = flag_max_errors; |
b4c522fa | 299 | |
fd43568c IB |
300 | /* Default extern(C++) mangling to C++17. */ |
301 | global.params.cplusplus = CppStdRevisionCpp17; | |
c9634470 | 302 | |
b4c522fa | 303 | /* Warnings and deprecations are disabled by default. */ |
6948c7c3 | 304 | global.params.useDeprecated = DIAGNOSTICinform; |
b4c522fa | 305 | global.params.warnings = DIAGNOSTICoff; |
5fee5ec3 | 306 | global.params.messageStyle = MESSAGESTYLEgnu; |
b4c522fa | 307 | |
5fee5ec3 IB |
308 | global.params.imppath = d_gc_malloc<Strings> (); |
309 | global.params.fileImppath = d_gc_malloc<Strings> (); | |
b4c522fa IB |
310 | |
311 | /* Extra GDC-specific options. */ | |
312 | d_option.fonly = NULL; | |
313 | d_option.multilib = NULL; | |
314 | d_option.prefix = NULL; | |
315 | d_option.deps = false; | |
316 | d_option.deps_skip_system = false; | |
317 | d_option.deps_filename = NULL; | |
318 | d_option.deps_filename_user = NULL; | |
a23b6d61 | 319 | d_option.deps_target = vNULL; |
b4c522fa IB |
320 | d_option.deps_phony = false; |
321 | d_option.stdinc = true; | |
322 | } | |
323 | ||
324 | /* Implements the lang_hooks.init_options_struct routine for language D. | |
325 | Initializes the options structure OPTS. */ | |
326 | ||
327 | static void | |
328 | d_init_options_struct (gcc_options *opts) | |
329 | { | |
330 | /* GCC options. */ | |
331 | opts->x_flag_exceptions = 1; | |
332 | ||
cdbf48be | 333 | /* Unlike C, there is no global `errno' variable. */ |
b4c522fa IB |
334 | opts->x_flag_errno_math = 0; |
335 | opts->frontend_set_flag_errno_math = true; | |
336 | ||
b4c522fa IB |
337 | /* D says that signed overflow is precisely defined. */ |
338 | opts->x_flag_wrapv = 1; | |
339 | } | |
340 | ||
341 | /* Implements the lang_hooks.lang_mask routine for language D. | |
342 | Returns language mask for option parsing. */ | |
343 | ||
344 | static unsigned int | |
345 | d_option_lang_mask (void) | |
346 | { | |
347 | return CL_D; | |
348 | } | |
349 | ||
3ac6b5cf LH |
350 | /* Implements input charset and BOM skipping configuration for |
351 | diagnostics. */ | |
352 | static const char *d_input_charset_callback (const char * /*filename*/) | |
353 | { | |
354 | /* TODO: The input charset is automatically determined by code in | |
355 | dmd/dmodule.c based on the contents of the file. If this detection | |
356 | logic were factored out and could be reused here, then we would be able | |
357 | to return UTF-16 or UTF-32 as needed here. For now, we return always | |
358 | NULL, which means no conversion is necessary, i.e. the input is assumed | |
359 | to be UTF-8 when diagnostics read this file. */ | |
360 | return nullptr; | |
361 | } | |
362 | ||
b4c522fa IB |
363 | /* Implements the lang_hooks.init routine for language D. */ |
364 | ||
365 | static bool | |
366 | d_init (void) | |
367 | { | |
368 | Type::_init (); | |
369 | Id::initialize (); | |
370 | Module::_init (); | |
371 | Expression::_init (); | |
372 | Objc::_init (); | |
373 | ||
3ac6b5cf LH |
374 | /* Diagnostics input init, to enable BOM skipping and |
375 | input charset conversion. */ | |
376 | diagnostic_initialize_input_context (global_dc, | |
377 | d_input_charset_callback, true); | |
378 | ||
b4c522fa | 379 | /* Back-end init. */ |
af3c19f0 | 380 | global_binding_level = ggc_cleared_alloc <binding_level> (); |
b4c522fa IB |
381 | current_binding_level = global_binding_level; |
382 | ||
383 | /* This allows the code in d-builtins.cc to not have to worry about | |
384 | converting (C signed char *) to (D char *) for string arguments of | |
385 | built-in functions. The parameter (signed_char = false) specifies | |
386 | whether char is signed. */ | |
387 | build_common_tree_nodes (false); | |
388 | ||
389 | d_init_builtins (); | |
390 | ||
391 | if (flag_exceptions) | |
392 | using_eh_for_cleanups (); | |
393 | ||
394 | if (!supports_one_only ()) | |
76a7e7e7 | 395 | flag_weak_templates = 0; |
b4c522fa IB |
396 | |
397 | /* This is the C main, not the D main. */ | |
398 | main_identifier_node = get_identifier ("main"); | |
399 | ||
5905cbdb | 400 | target._init (global.params); |
b4c522fa IB |
401 | d_init_versions (); |
402 | ||
403 | /* Insert all library-configured identifiers and import paths. */ | |
404 | add_import_paths (d_option.prefix, d_option.multilib, d_option.stdinc); | |
405 | ||
406 | return 1; | |
407 | } | |
408 | ||
409 | /* Implements the lang_hooks.init_ts routine for language D. */ | |
410 | ||
411 | static void | |
412 | d_init_ts (void) | |
413 | { | |
414 | MARK_TS_TYPED (FLOAT_MOD_EXPR); | |
415 | MARK_TS_TYPED (UNSIGNED_RSHIFT_EXPR); | |
416 | } | |
417 | ||
418 | /* Implements the lang_hooks.handle_option routine for language D. | |
419 | Handles D specific options. Return false if we didn't do anything. */ | |
420 | ||
421 | static bool | |
422 | d_handle_option (size_t scode, const char *arg, HOST_WIDE_INT value, | |
423 | int kind ATTRIBUTE_UNUSED, | |
424 | location_t loc ATTRIBUTE_UNUSED, | |
425 | const cl_option_handlers *handlers ATTRIBUTE_UNUSED) | |
426 | { | |
427 | opt_code code = (opt_code) scode; | |
428 | bool result = true; | |
429 | ||
430 | switch (code) | |
431 | { | |
432 | case OPT_fall_instantiations: | |
433 | global.params.allInst = value; | |
434 | break; | |
435 | ||
436 | case OPT_fassert: | |
0cdc55f5 | 437 | global.params.useAssert = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
438 | break; |
439 | ||
440 | case OPT_fbounds_check: | |
0cdc55f5 | 441 | global.params.useArrayBounds = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
442 | break; |
443 | ||
444 | case OPT_fbounds_check_: | |
0cdc55f5 IB |
445 | global.params.useArrayBounds = (value == 2) ? CHECKENABLEon |
446 | : (value == 1) ? CHECKENABLEsafeonly : CHECKENABLEoff; | |
b4c522fa IB |
447 | break; |
448 | ||
5fee5ec3 IB |
449 | case OPT_fcheckaction_: |
450 | global.params.checkAction = (value == 0) ? CHECKACTION_D | |
451 | : (value == 1) ? CHECKACTION_halt : CHECKACTION_context; | |
452 | break; | |
453 | ||
b4c522fa IB |
454 | case OPT_fdebug: |
455 | global.params.debuglevel = value ? 1 : 0; | |
456 | break; | |
457 | ||
458 | case OPT_fdebug_: | |
459 | if (ISDIGIT (arg[0])) | |
460 | { | |
461 | int level = integral_argument (arg); | |
462 | if (level != -1) | |
463 | { | |
5bc13e52 | 464 | global.params.debuglevel = level; |
b4c522fa IB |
465 | break; |
466 | } | |
467 | } | |
468 | ||
469 | if (Identifier::isValidIdentifier (CONST_CAST (char *, arg))) | |
470 | { | |
5bc13e52 | 471 | if (!global.params.debugids) |
5fee5ec3 | 472 | global.params.debugids = d_gc_malloc<Strings> (); |
5bc13e52 | 473 | global.params.debugids->push (arg); |
b4c522fa IB |
474 | break; |
475 | } | |
476 | ||
a9c697b8 | 477 | error ("bad argument for %<-fdebug%>: %qs", arg); |
b4c522fa IB |
478 | break; |
479 | ||
480 | case OPT_fdoc: | |
481 | global.params.doDocComments = value; | |
482 | break; | |
483 | ||
484 | case OPT_fdoc_dir_: | |
485 | global.params.doDocComments = true; | |
486 | global.params.docdir = arg; | |
487 | break; | |
488 | ||
489 | case OPT_fdoc_file_: | |
490 | global.params.doDocComments = true; | |
491 | global.params.docname = arg; | |
492 | break; | |
493 | ||
494 | case OPT_fdoc_inc_: | |
761306fc | 495 | global.params.ddocfiles.push (arg); |
b4c522fa IB |
496 | break; |
497 | ||
c0aebc60 IB |
498 | case OPT_fdruntime: |
499 | global.params.betterC = !value; | |
500 | break; | |
501 | ||
5fee5ec3 IB |
502 | case OPT_fdump_c___spec_: |
503 | if (global.params.doCxxHdrGeneration == CxxHeaderMode::none) | |
504 | global.params.doCxxHdrGeneration = CxxHeaderMode::silent; | |
505 | global.params.cxxhdrname = arg; | |
506 | break; | |
507 | ||
508 | case OPT_fdump_c___spec_verbose: | |
509 | global.params.doCxxHdrGeneration = CxxHeaderMode::verbose; | |
510 | break; | |
511 | ||
b4c522fa IB |
512 | case OPT_fdump_d_original: |
513 | global.params.vcg_ast = value; | |
514 | break; | |
515 | ||
c0aebc60 IB |
516 | case OPT_fexceptions: |
517 | global.params.useExceptions = value; | |
518 | break; | |
519 | ||
5fee5ec3 IB |
520 | case OPT_fextern_std_: |
521 | switch (value) | |
522 | { | |
523 | case CppStdRevisionCpp98: | |
524 | case CppStdRevisionCpp11: | |
525 | case CppStdRevisionCpp14: | |
526 | case CppStdRevisionCpp17: | |
527 | case CppStdRevisionCpp20: | |
528 | global.params.cplusplus = (CppStdRevision) value; | |
529 | break; | |
530 | ||
531 | default: | |
532 | error ("bad argument for %<-fextern-std%>: %qs", arg); | |
533 | } | |
534 | break; | |
535 | ||
b4c522fa IB |
536 | case OPT_fignore_unknown_pragmas: |
537 | global.params.ignoreUnsupportedPragmas = value; | |
538 | break; | |
539 | ||
540 | case OPT_finvariants: | |
0cdc55f5 | 541 | global.params.useInvariants = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
542 | break; |
543 | ||
544 | case OPT_fmain: | |
545 | global.params.addMain = value; | |
546 | break; | |
547 | ||
548 | case OPT_fmodule_file_: | |
761306fc | 549 | global.params.modFileAliasStrings.push (arg); |
b4c522fa | 550 | if (!strchr (arg, '=')) |
a9c697b8 | 551 | error ("bad argument for %<-fmodule-file%>: %qs", arg); |
b4c522fa IB |
552 | break; |
553 | ||
554 | case OPT_fmoduleinfo: | |
c0aebc60 | 555 | global.params.useModuleInfo = value; |
b4c522fa IB |
556 | break; |
557 | ||
558 | case OPT_fonly_: | |
559 | d_option.fonly = arg; | |
560 | break; | |
561 | ||
562 | case OPT_fpostconditions: | |
0cdc55f5 | 563 | global.params.useOut = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
564 | break; |
565 | ||
566 | case OPT_fpreconditions: | |
0cdc55f5 | 567 | global.params.useIn = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
568 | break; |
569 | ||
5fee5ec3 IB |
570 | case OPT_fpreview_all: |
571 | global.params.ehnogc = value; | |
572 | global.params.useDIP25 = FeatureState::enabled; | |
573 | global.params.useDIP1000 = FeatureState::enabled; | |
574 | global.params.useDIP1021 = value; | |
575 | global.params.dtorFields = FeatureState::enabled; | |
576 | global.params.fieldwise = value; | |
577 | global.params.fixAliasThis = value; | |
578 | global.params.previewIn = value; | |
579 | global.params.fix16997 = value; | |
580 | global.params.markdown = value; | |
581 | global.params.noSharedAccess = value; | |
582 | global.params.rvalueRefParam = value; | |
583 | global.params.inclusiveInContracts = value; | |
584 | global.params.shortenedMethods = value; | |
585 | break; | |
586 | ||
587 | case OPT_fpreview_dip1000: | |
588 | global.params.useDIP1000 = FeatureState::enabled; | |
589 | break; | |
590 | ||
591 | case OPT_fpreview_dip1008: | |
592 | global.params.ehnogc = value; | |
593 | break; | |
594 | ||
595 | case OPT_fpreview_dip1021: | |
596 | global.params.useDIP1021 = value; | |
597 | break; | |
598 | ||
599 | case OPT_fpreview_dip25: | |
600 | global.params.useDIP25 = FeatureState::enabled; | |
601 | break; | |
602 | ||
603 | case OPT_fpreview_dtorfields: | |
604 | global.params.dtorFields = FeatureState::enabled; | |
605 | break; | |
606 | ||
607 | case OPT_fpreview_fieldwise: | |
608 | global.params.fieldwise = value; | |
609 | break; | |
610 | ||
611 | case OPT_fpreview_fixaliasthis: | |
612 | global.params.fixAliasThis = value; | |
613 | break; | |
614 | ||
615 | case OPT_fpreview_in: | |
616 | global.params.previewIn = value; | |
617 | break; | |
618 | ||
619 | case OPT_fpreview_inclusiveincontracts: | |
620 | global.params.inclusiveInContracts = value; | |
621 | break; | |
622 | ||
5fee5ec3 IB |
623 | case OPT_fpreview_nosharedaccess: |
624 | global.params.noSharedAccess = value; | |
625 | break; | |
626 | ||
627 | case OPT_fpreview_rvaluerefparam: | |
628 | global.params.rvalueRefParam = value; | |
629 | break; | |
630 | ||
631 | case OPT_fpreview_shortenedmethods: | |
632 | global.params.shortenedMethods = value; | |
633 | break; | |
634 | ||
b4c522fa IB |
635 | case OPT_frelease: |
636 | global.params.release = value; | |
637 | break; | |
638 | ||
5fee5ec3 IB |
639 | case OPT_frevert_all: |
640 | global.params.useDIP25 = FeatureState::disabled; | |
5fee5ec3 | 641 | global.params.dtorFields = FeatureState::disabled; |
9c7d5e88 IB |
642 | global.params.fix16997 = !value; |
643 | global.params.markdown = !value; | |
c0aebc60 IB |
644 | break; |
645 | ||
5fee5ec3 IB |
646 | case OPT_frevert_dip25: |
647 | global.params.useDIP25 = FeatureState::disabled; | |
b4c522fa IB |
648 | break; |
649 | ||
5fee5ec3 IB |
650 | case OPT_frevert_dtorfields: |
651 | global.params.dtorFields = FeatureState::disabled; | |
652 | break; | |
653 | ||
9c7d5e88 IB |
654 | case OPT_frevert_intpromote: |
655 | global.params.fix16997 = !value; | |
656 | break; | |
657 | ||
5fee5ec3 IB |
658 | case OPT_frevert_markdown: |
659 | global.params.markdown = !value; | |
b4c522fa IB |
660 | break; |
661 | ||
5fee5ec3 IB |
662 | case OPT_frtti: |
663 | global.params.useTypeInfo = value; | |
b4c522fa IB |
664 | break; |
665 | ||
5fee5ec3 IB |
666 | case OPT_fsave_mixins_: |
667 | global.params.mixinFile = arg; | |
668 | global.params.mixinOut = d_gc_malloc<OutBuffer> (); | |
b4c522fa IB |
669 | break; |
670 | ||
5fee5ec3 IB |
671 | case OPT_fswitch_errors: |
672 | global.params.useSwitchError = value ? CHECKENABLEon : CHECKENABLEoff; | |
673 | break; | |
674 | ||
675 | case OPT_ftransition_all: | |
676 | global.params.vfield = value; | |
677 | global.params.vgc = value; | |
0fb57034 | 678 | global.params.vin = value; |
5fee5ec3 IB |
679 | global.params.vmarkdown= value; |
680 | global.params.vtls = value; | |
b4c522fa IB |
681 | break; |
682 | ||
683 | case OPT_ftransition_field: | |
684 | global.params.vfield = value; | |
685 | break; | |
686 | ||
0fb57034 IB |
687 | case OPT_ftransition_in: |
688 | global.params.vin = value; | |
689 | break; | |
690 | ||
b4c522fa IB |
691 | case OPT_ftransition_nogc: |
692 | global.params.vgc = value; | |
693 | break; | |
694 | ||
5fee5ec3 IB |
695 | case OPT_ftransition_vmarkdown: |
696 | global.params.vmarkdown = value; | |
697 | break; | |
698 | ||
699 | case OPT_ftransition_templates: | |
700 | global.params.vtemplates = value; | |
701 | break; | |
702 | ||
b4c522fa IB |
703 | case OPT_ftransition_tls: |
704 | global.params.vtls = value; | |
705 | break; | |
706 | ||
707 | case OPT_funittest: | |
708 | global.params.useUnitTests = value; | |
709 | break; | |
710 | ||
711 | case OPT_fversion_: | |
712 | if (ISDIGIT (arg[0])) | |
713 | { | |
714 | int level = integral_argument (arg); | |
715 | if (level != -1) | |
716 | { | |
5bc13e52 | 717 | global.params.versionlevel = level; |
b4c522fa IB |
718 | break; |
719 | } | |
720 | } | |
721 | ||
722 | if (Identifier::isValidIdentifier (CONST_CAST (char *, arg))) | |
723 | { | |
5bc13e52 | 724 | if (!global.params.versionids) |
5fee5ec3 | 725 | global.params.versionids = d_gc_malloc<Strings> (); |
5bc13e52 | 726 | global.params.versionids->push (arg); |
b4c522fa IB |
727 | break; |
728 | } | |
729 | ||
a9c697b8 | 730 | error ("bad argument for %<-fversion%>: %qs", arg); |
b4c522fa IB |
731 | break; |
732 | ||
733 | case OPT_H: | |
734 | global.params.doHdrGeneration = true; | |
735 | break; | |
736 | ||
737 | case OPT_Hd: | |
738 | global.params.doHdrGeneration = true; | |
739 | global.params.hdrdir = arg; | |
740 | break; | |
741 | ||
742 | case OPT_Hf: | |
743 | global.params.doHdrGeneration = true; | |
744 | global.params.hdrname = arg; | |
745 | break; | |
746 | ||
747 | case OPT_imultilib: | |
748 | d_option.multilib = arg; | |
749 | break; | |
750 | ||
751 | case OPT_iprefix: | |
752 | d_option.prefix = arg; | |
753 | break; | |
754 | ||
755 | case OPT_I: | |
756 | global.params.imppath->push (arg); | |
757 | break; | |
758 | ||
759 | case OPT_J: | |
760 | global.params.fileImppath->push (arg); | |
761 | break; | |
762 | ||
763 | case OPT_MM: | |
764 | d_option.deps_skip_system = true; | |
765 | /* Fall through. */ | |
766 | ||
767 | case OPT_M: | |
768 | d_option.deps = true; | |
769 | break; | |
770 | ||
771 | case OPT_MMD: | |
772 | d_option.deps_skip_system = true; | |
773 | /* Fall through. */ | |
774 | ||
775 | case OPT_MD: | |
776 | d_option.deps = true; | |
777 | d_option.deps_filename = arg; | |
778 | break; | |
779 | ||
780 | case OPT_MF: | |
781 | /* If specified multiple times, last one wins. */ | |
782 | d_option.deps_filename_user = arg; | |
783 | break; | |
784 | ||
785 | case OPT_MP: | |
786 | d_option.deps_phony = true; | |
787 | break; | |
788 | ||
789 | case OPT_MQ: | |
790 | deps_add_target (arg, true); | |
791 | break; | |
792 | ||
793 | case OPT_MT: | |
794 | deps_add_target (arg, false); | |
795 | break; | |
796 | ||
797 | case OPT_nostdinc: | |
798 | d_option.stdinc = false; | |
799 | break; | |
800 | ||
801 | case OPT_v: | |
802 | global.params.verbose = value; | |
803 | break; | |
804 | ||
805 | case OPT_Wall: | |
806 | if (value) | |
807 | global.params.warnings = DIAGNOSTICinform; | |
808 | break; | |
809 | ||
810 | case OPT_Wdeprecated: | |
811 | global.params.useDeprecated = value ? DIAGNOSTICinform : DIAGNOSTICoff; | |
812 | break; | |
813 | ||
814 | case OPT_Werror: | |
815 | if (value) | |
816 | global.params.warnings = DIAGNOSTICerror; | |
817 | break; | |
818 | ||
819 | case OPT_Wspeculative: | |
820 | if (value) | |
821 | global.params.showGaggedErrors = 1; | |
822 | break; | |
823 | ||
824 | case OPT_Xf: | |
825 | global.params.jsonfilename = arg; | |
826 | /* Fall through. */ | |
827 | ||
828 | case OPT_X: | |
829 | global.params.doJsonGeneration = true; | |
830 | break; | |
831 | ||
832 | default: | |
833 | break; | |
834 | } | |
835 | ||
836 | D_handle_option_auto (&global_options, &global_options_set, | |
837 | scode, arg, value, | |
838 | d_option_lang_mask (), kind, | |
839 | loc, handlers, global_dc); | |
840 | ||
841 | return result; | |
842 | } | |
843 | ||
844 | /* Implements the lang_hooks.post_options routine for language D. | |
845 | Deal with any options that imply the turning on/off of features. | |
846 | FN is the main input filename passed on the command line. */ | |
847 | ||
848 | static bool | |
849 | d_post_options (const char ** fn) | |
850 | { | |
851 | /* Verify the input file name. */ | |
852 | const char *filename = *fn; | |
853 | if (!filename || strcmp (filename, "-") == 0) | |
854 | filename = ""; | |
855 | ||
856 | /* The front end considers the first input file to be the main one. */ | |
857 | *fn = filename; | |
858 | ||
859 | /* Release mode doesn't turn off bounds checking for safe functions. */ | |
0cdc55f5 | 860 | if (global.params.useArrayBounds == CHECKENABLEdefault) |
b4c522fa IB |
861 | { |
862 | global.params.useArrayBounds = global.params.release | |
0cdc55f5 | 863 | ? CHECKENABLEsafeonly : CHECKENABLEon; |
b4c522fa IB |
864 | } |
865 | ||
0cdc55f5 IB |
866 | /* Assert code is generated if unittests are being compiled also, even if |
867 | release mode is turned on. */ | |
868 | if (global.params.useAssert == CHECKENABLEdefault) | |
b4c522fa | 869 | { |
0cdc55f5 IB |
870 | if (global.params.useUnitTests || !global.params.release) |
871 | global.params.useAssert = CHECKENABLEon; | |
872 | else | |
873 | global.params.useAssert = CHECKENABLEoff; | |
874 | } | |
b4c522fa | 875 | |
0cdc55f5 IB |
876 | /* Checks for switches without a default are turned off in release mode. */ |
877 | if (global.params.useSwitchError == CHECKENABLEdefault) | |
878 | { | |
879 | global.params.useSwitchError = global.params.release | |
880 | ? CHECKENABLEoff : CHECKENABLEon; | |
881 | } | |
b4c522fa | 882 | |
0cdc55f5 IB |
883 | /* Contracts are turned off in release mode. */ |
884 | if (global.params.useInvariants == CHECKENABLEdefault) | |
885 | { | |
886 | global.params.useInvariants = global.params.release | |
887 | ? CHECKENABLEoff : CHECKENABLEon; | |
888 | } | |
b4c522fa | 889 | |
0cdc55f5 IB |
890 | if (global.params.useIn == CHECKENABLEdefault) |
891 | { | |
892 | global.params.useIn = global.params.release | |
893 | ? CHECKENABLEoff : CHECKENABLEon; | |
894 | } | |
b4c522fa | 895 | |
0cdc55f5 IB |
896 | if (global.params.useOut == CHECKENABLEdefault) |
897 | { | |
898 | global.params.useOut = global.params.release | |
899 | ? CHECKENABLEoff : CHECKENABLEon; | |
b4c522fa IB |
900 | } |
901 | ||
c0aebc60 IB |
902 | if (global.params.betterC) |
903 | { | |
00f34291 | 904 | if (!OPTION_SET_P (flag_moduleinfo)) |
c0aebc60 IB |
905 | global.params.useModuleInfo = false; |
906 | ||
00f34291 | 907 | if (!OPTION_SET_P (flag_rtti)) |
c0aebc60 IB |
908 | global.params.useTypeInfo = false; |
909 | ||
00f34291 | 910 | if (!OPTION_SET_P (flag_exceptions)) |
c0aebc60 IB |
911 | global.params.useExceptions = false; |
912 | ||
f267a310 | 913 | global.params.checkAction = CHECKACTION_C; |
c0aebc60 IB |
914 | } |
915 | ||
5fee5ec3 IB |
916 | /* Enabling DIP1021 implies DIP1000. */ |
917 | if (global.params.useDIP1021) | |
918 | global.params.useDIP1000 = FeatureState::enabled; | |
919 | ||
920 | /* Enabling DIP1000 implies DIP25. */ | |
921 | if (global.params.useDIP1000 == FeatureState::enabled) | |
922 | global.params.useDIP25 = FeatureState::enabled; | |
923 | ||
0cdc55f5 IB |
924 | /* Keep in sync with existing -fbounds-check flag. */ |
925 | flag_bounds_check = (global.params.useArrayBounds == CHECKENABLEon); | |
926 | ||
e42589bd IB |
927 | /* Turn off partitioning unless it was explicitly requested, as it doesn't |
928 | work with D exception chaining, where EH handler uses LSDA to determine | |
929 | whether two thrown exception are in the same context. */ | |
00f34291 | 930 | if (!OPTION_SET_P (flag_reorder_blocks_and_partition)) |
e42589bd IB |
931 | global_options.x_flag_reorder_blocks_and_partition = 0; |
932 | ||
b4c522fa IB |
933 | /* Error about use of deprecated features. */ |
934 | if (global.params.useDeprecated == DIAGNOSTICinform | |
935 | && global.params.warnings == DIAGNOSTICerror) | |
936 | global.params.useDeprecated = DIAGNOSTICerror; | |
937 | ||
938 | /* Make -fmax-errors visible to frontend's diagnostic machinery. */ | |
00f34291 | 939 | if (OPTION_SET_P (flag_max_errors)) |
98866120 | 940 | global.params.errorLimit = flag_max_errors; |
b4c522fa | 941 | |
df375b03 JJ |
942 | if (flag_excess_precision == EXCESS_PRECISION_DEFAULT) |
943 | flag_excess_precision = EXCESS_PRECISION_STANDARD; | |
b4c522fa | 944 | |
b4c522fa IB |
945 | global.params.symdebug = write_symbols != NO_DEBUG; |
946 | global.params.useInline = flag_inline_functions; | |
947 | global.params.showColumns = flag_show_column; | |
5fee5ec3 | 948 | global.params.printErrorContext = flag_diagnostics_show_caret; |
b4c522fa IB |
949 | |
950 | if (global.params.useInline) | |
951 | global.params.hdrStripPlainFunctions = false; | |
952 | ||
953 | global.params.obj = !flag_syntax_only; | |
954 | ||
955 | /* Has no effect yet. */ | |
956 | global.params.pic = flag_pic != 0; | |
957 | ||
5bc13e52 IB |
958 | /* Add in versions given on the command line. */ |
959 | if (global.params.versionids) | |
960 | { | |
961 | for (size_t i = 0; i < global.params.versionids->length; i++) | |
962 | { | |
963 | const char *s = (*global.params.versionids)[i]; | |
964 | VersionCondition::addGlobalIdent (s); | |
965 | } | |
966 | } | |
967 | ||
968 | if (global.params.debugids) | |
969 | { | |
970 | for (size_t i = 0; i < global.params.debugids->length; i++) | |
971 | { | |
972 | const char *s = (*global.params.debugids)[i]; | |
973 | DebugCondition::addGlobalIdent (s); | |
974 | } | |
975 | } | |
976 | ||
b4c522fa IB |
977 | if (warn_return_type == -1) |
978 | warn_return_type = 0; | |
979 | ||
980 | return false; | |
981 | } | |
982 | ||
b4c522fa IB |
983 | /* Add the module M to the list of modules that may declare GCC builtins. |
984 | These are scanned after first semantic and before codegen passes. | |
985 | See d_maybe_set_builtin() for the implementation. */ | |
986 | ||
987 | void | |
988 | d_add_builtin_module (Module *m) | |
989 | { | |
990 | builtin_modules.push (m); | |
991 | } | |
992 | ||
b4c522fa IB |
993 | /* Implements the lang_hooks.parse_file routine for language D. */ |
994 | ||
bbd6a326 | 995 | static void |
b4c522fa IB |
996 | d_parse_file (void) |
997 | { | |
998 | if (global.params.verbose) | |
999 | { | |
d8930b13 | 1000 | message ("binary %s", global.params.argv0.ptr); |
5fee5ec3 | 1001 | message ("version %s", global.versionChars ()); |
b4c522fa | 1002 | |
e52f5d07 | 1003 | if (global.versionids) |
b4c522fa | 1004 | { |
e52f5d07 IB |
1005 | obstack buffer; |
1006 | gcc_obstack_init (&buffer); | |
1007 | obstack_grow (&buffer, "predefs ", 9); | |
1008 | for (size_t i = 0; i < global.versionids->length; i++) | |
b4c522fa | 1009 | { |
e52f5d07 IB |
1010 | Identifier *id = (*global.versionids)[i]; |
1011 | const char *str = id->toChars (); | |
1012 | obstack_1grow (&buffer, ' '); | |
1013 | obstack_grow (&buffer, str, strlen (str)); | |
b4c522fa IB |
1014 | } |
1015 | ||
b2abe4e1 | 1016 | obstack_1grow (&buffer, '\0'); |
e52f5d07 | 1017 | message ("%s", (char *) obstack_finish (&buffer)); |
b4c522fa IB |
1018 | } |
1019 | } | |
1020 | ||
1021 | /* Start the main input file, if the debug writer wants it. */ | |
1022 | if (debug_hooks->start_end_main_source_file) | |
1023 | debug_hooks->start_source_file (0, main_input_filename); | |
1024 | ||
1025 | /* Create Module's for all sources we will load. */ | |
1026 | Modules modules; | |
1027 | modules.reserve (num_in_fnames); | |
1028 | ||
1029 | /* In this mode, the first file name is supposed to be a duplicate | |
1030 | of one of the input files. */ | |
1031 | if (d_option.fonly && strcmp (d_option.fonly, main_input_filename) != 0) | |
a9c697b8 | 1032 | error ("%<-fonly=%> argument is different from first input file name"); |
b4c522fa IB |
1033 | |
1034 | for (size_t i = 0; i < num_in_fnames; i++) | |
1035 | { | |
1036 | if (strcmp (in_fnames[i], "-") == 0) | |
1037 | { | |
74218022 IB |
1038 | /* Load the entire contents of stdin into memory. 8 kilobytes should |
1039 | be a good enough initial size, but double on each iteration. | |
1040 | 16 bytes are added for the final '\n' and 15 bytes of padding. */ | |
1041 | ssize_t size = 8 * 1024; | |
1042 | uchar *buffer = XNEWVEC (uchar, size + 16); | |
1043 | ssize_t len = 0; | |
1044 | ssize_t count; | |
1045 | ||
1046 | while ((count = read (STDIN_FILENO, buffer + len, size - len)) > 0) | |
1047 | { | |
1048 | len += count; | |
1049 | if (len == size) | |
1050 | { | |
1051 | size *= 2; | |
1052 | buffer = XRESIZEVEC (uchar, buffer, size + 16); | |
1053 | } | |
1054 | } | |
b4c522fa | 1055 | |
74218022 IB |
1056 | if (count < 0) |
1057 | { | |
1058 | error (Loc ("stdin", 0, 0), "%s", xstrerror (errno)); | |
1059 | free (buffer); | |
1060 | continue; | |
1061 | } | |
1062 | ||
1063 | /* Handling stdin, generate a unique name for the module. */ | |
b4c522fa | 1064 | Module *m = Module::create (in_fnames[i], |
5fee5ec3 | 1065 | Identifier::idPool ("__stdin"), |
b4c522fa IB |
1066 | global.params.doDocComments, |
1067 | global.params.doHdrGeneration); | |
1068 | modules.push (m); | |
1069 | ||
b4c522fa IB |
1070 | /* Overwrite the source file for the module, the one created by |
1071 | Module::create would have a forced a `.d' suffix. */ | |
5fee5ec3 IB |
1072 | m->srcBuffer = FileBuffer::create (); |
1073 | m->srcBuffer->data.length = len; | |
1074 | m->srcBuffer->data.ptr = buffer; | |
b4c522fa IB |
1075 | } |
1076 | else | |
1077 | { | |
1078 | /* Handling a D source file, strip off the path and extension. */ | |
1079 | const char *basename = FileName::name (in_fnames[i]); | |
1080 | const char *name = FileName::removeExt (basename); | |
1081 | ||
1082 | Module *m = Module::create (in_fnames[i], Identifier::idPool (name), | |
1083 | global.params.doDocComments, | |
1084 | global.params.doHdrGeneration); | |
1085 | modules.push (m); | |
1086 | FileName::free (name); | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | /* Read all D source files. */ | |
2cbc99d1 | 1091 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1092 | { |
1093 | Module *m = modules[i]; | |
1094 | m->read (Loc ()); | |
1095 | } | |
1096 | ||
1097 | /* Parse all D source files. */ | |
2cbc99d1 | 1098 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1099 | { |
1100 | Module *m = modules[i]; | |
1101 | ||
1102 | if (global.params.verbose) | |
1103 | message ("parse %s", m->toChars ()); | |
1104 | ||
1105 | if (!Module::rootModule) | |
1106 | Module::rootModule = m; | |
1107 | ||
1108 | m->importedFrom = m; | |
1109 | m->parse (); | |
b4c522fa IB |
1110 | |
1111 | if (m->isDocFile) | |
1112 | { | |
1113 | gendocfile (m); | |
1114 | /* Remove M from list of modules. */ | |
1115 | modules.remove (i); | |
1116 | i--; | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | /* Load the module containing D main. */ | |
5fee5ec3 | 1121 | Module *main_module = NULL; |
b4c522fa IB |
1122 | if (global.params.addMain) |
1123 | { | |
1124 | unsigned errors = global.startGagging (); | |
5fee5ec3 | 1125 | main_module = Module::load (Loc (), NULL, Identifier::idPool ("__main")); |
b4c522fa | 1126 | |
af3c19f0 | 1127 | if (!global.endGagging (errors)) |
b4c522fa | 1128 | { |
5fee5ec3 IB |
1129 | main_module->importedFrom = main_module; |
1130 | modules.push (main_module); | |
b4c522fa IB |
1131 | } |
1132 | } | |
1133 | ||
75f2e3f6 IB |
1134 | /* If an error occurs later during compilation, remember that we generated |
1135 | the headers, so that they can be removed before exit. */ | |
1136 | bool dump_headers = false; | |
1137 | ||
b4c522fa IB |
1138 | if (global.errors) |
1139 | goto had_errors; | |
1140 | ||
1141 | if (global.params.doHdrGeneration) | |
1142 | { | |
1143 | /* Generate 'header' import files. Since 'header' import files must be | |
1144 | independent of command line switches and what else is imported, they | |
1145 | are generated before any semantic analysis. */ | |
2cbc99d1 | 1146 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1147 | { |
1148 | Module *m = modules[i]; | |
5fee5ec3 | 1149 | if (m->isHdrFile || (d_option.fonly && m != Module::rootModule)) |
b4c522fa IB |
1150 | continue; |
1151 | ||
1152 | if (global.params.verbose) | |
1153 | message ("import %s", m->toChars ()); | |
1154 | ||
1155 | genhdrfile (m); | |
1156 | } | |
75f2e3f6 IB |
1157 | |
1158 | dump_headers = true; | |
b4c522fa IB |
1159 | } |
1160 | ||
1161 | if (global.errors) | |
1162 | goto had_errors; | |
1163 | ||
1164 | /* Load all unconditional imports for better symbol resolving. */ | |
2cbc99d1 | 1165 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1166 | { |
1167 | Module *m = modules[i]; | |
1168 | ||
1169 | if (global.params.verbose) | |
1170 | message ("importall %s", m->toChars ()); | |
1171 | ||
1172 | m->importAll (NULL); | |
1173 | } | |
1174 | ||
1175 | if (global.errors) | |
1176 | goto had_errors; | |
1177 | ||
1178 | /* Do semantic analysis. */ | |
1179 | doing_semantic_analysis_p = true; | |
1180 | ||
2cbc99d1 | 1181 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1182 | { |
1183 | Module *m = modules[i]; | |
1184 | ||
0fb57034 IB |
1185 | /* If this is the `__main` module, check that `D main` hasn't already |
1186 | been declared in user code before running semantic on it. */ | |
1187 | if (m == main_module && global.hasMainFunction) | |
1188 | { | |
1189 | modules.remove (i); | |
1190 | continue; | |
1191 | } | |
1192 | ||
b4c522fa IB |
1193 | if (global.params.verbose) |
1194 | message ("semantic %s", m->toChars ()); | |
1195 | ||
a3b38b77 | 1196 | dsymbolSemantic (m, NULL); |
b4c522fa IB |
1197 | } |
1198 | ||
1199 | /* Do deferred semantic analysis. */ | |
1200 | Module::dprogress = 1; | |
1201 | Module::runDeferredSemantic (); | |
1202 | ||
2cbc99d1 | 1203 | if (Module::deferred.length) |
b4c522fa | 1204 | { |
2cbc99d1 | 1205 | for (size_t i = 0; i < Module::deferred.length; i++) |
b4c522fa IB |
1206 | { |
1207 | Dsymbol *sd = Module::deferred[i]; | |
1208 | error_at (make_location_t (sd->loc), | |
1209 | "unable to resolve forward reference in definition"); | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | /* Process all built-in modules or functions now for CTFE. */ | |
2cbc99d1 | 1214 | while (builtin_modules.length != 0) |
b4c522fa IB |
1215 | { |
1216 | Module *m = builtin_modules.pop (); | |
1217 | d_maybe_set_builtin (m); | |
1218 | } | |
1219 | ||
1220 | /* Do pass 2 semantic analysis. */ | |
2cbc99d1 | 1221 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1222 | { |
1223 | Module *m = modules[i]; | |
1224 | ||
1225 | if (global.params.verbose) | |
1226 | message ("semantic2 %s", m->toChars ()); | |
1227 | ||
a3b38b77 | 1228 | semantic2 (m, NULL); |
b4c522fa IB |
1229 | } |
1230 | ||
1231 | Module::runDeferredSemantic2 (); | |
1232 | ||
1233 | if (global.errors) | |
1234 | goto had_errors; | |
1235 | ||
1236 | /* Do pass 3 semantic analysis. */ | |
2cbc99d1 | 1237 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1238 | { |
1239 | Module *m = modules[i]; | |
1240 | ||
1241 | if (global.params.verbose) | |
1242 | message ("semantic3 %s", m->toChars ()); | |
1243 | ||
a3b38b77 | 1244 | semantic3 (m, NULL); |
b4c522fa IB |
1245 | } |
1246 | ||
1247 | Module::runDeferredSemantic3 (); | |
1248 | ||
1249 | /* Check again, incase semantic3 pass loaded any more modules. */ | |
2cbc99d1 | 1250 | while (builtin_modules.length != 0) |
b4c522fa IB |
1251 | { |
1252 | Module *m = builtin_modules.pop (); | |
1253 | d_maybe_set_builtin (m); | |
1254 | } | |
1255 | ||
1256 | /* Do not attempt to generate output files if errors or warnings occurred. */ | |
1257 | if (global.errors || global.warnings) | |
1258 | goto had_errors; | |
1259 | ||
1260 | /* Generate output files. */ | |
1261 | doing_semantic_analysis_p = false; | |
1262 | ||
1263 | if (Module::rootModule) | |
1264 | { | |
1265 | /* Declare the name of the root module as the first global name in order | |
1266 | to make the middle-end fully deterministic. */ | |
1267 | OutBuffer buf; | |
1268 | mangleToBuffer (Module::rootModule, &buf); | |
fced594b | 1269 | first_global_object_name = buf.extractChars (); |
b4c522fa IB |
1270 | } |
1271 | ||
1272 | /* Make dependencies. */ | |
1273 | if (d_option.deps) | |
1274 | { | |
a23b6d61 | 1275 | obstack buffer; |
0a98123c | 1276 | FILE *deps_stream; |
b4c522fa | 1277 | |
a23b6d61 IB |
1278 | gcc_obstack_init (&buffer); |
1279 | ||
2cbc99d1 | 1280 | for (size_t i = 0; i < modules.length; i++) |
a23b6d61 | 1281 | deps_write (modules[i], &buffer); |
b4c522fa IB |
1282 | |
1283 | /* -MF <arg> overrides -M[M]D. */ | |
1284 | if (d_option.deps_filename_user) | |
1285 | d_option.deps_filename = d_option.deps_filename_user; | |
1286 | ||
1287 | if (d_option.deps_filename) | |
1288 | { | |
0a98123c IB |
1289 | deps_stream = fopen (d_option.deps_filename, "w"); |
1290 | if (!deps_stream) | |
1291 | { | |
1292 | fatal_error (input_location, "opening dependency file %s: %m", | |
1293 | d_option.deps_filename); | |
1294 | goto had_errors; | |
1295 | } | |
b4c522fa IB |
1296 | } |
1297 | else | |
0a98123c IB |
1298 | deps_stream = stdout; |
1299 | ||
a23b6d61 | 1300 | fprintf (deps_stream, "%s", (char *) obstack_finish (&buffer)); |
0a98123c IB |
1301 | |
1302 | if (deps_stream != stdout | |
1303 | && (ferror (deps_stream) || fclose (deps_stream))) | |
1304 | { | |
1305 | fatal_error (input_location, "closing dependency file %s: %m", | |
1306 | d_option.deps_filename); | |
1307 | } | |
b4c522fa IB |
1308 | } |
1309 | ||
1310 | /* Generate JSON files. */ | |
1311 | if (global.params.doJsonGeneration) | |
1312 | { | |
1313 | OutBuffer buf; | |
1314 | json_generate (&buf, &modules); | |
1315 | ||
d8930b13 | 1316 | const char *name = global.params.jsonfilename.ptr; |
0a98123c | 1317 | FILE *json_stream; |
b4c522fa IB |
1318 | |
1319 | if (name && (name[0] != '-' || name[1] != '\0')) | |
1320 | { | |
d8930b13 | 1321 | const char *nameext |
5fee5ec3 | 1322 | = FileName::defaultExt (name, json_ext.ptr); |
0a98123c IB |
1323 | json_stream = fopen (nameext, "w"); |
1324 | if (!json_stream) | |
1325 | { | |
1326 | fatal_error (input_location, "opening json file %s: %m", nameext); | |
1327 | goto had_errors; | |
1328 | } | |
b4c522fa IB |
1329 | } |
1330 | else | |
0a98123c IB |
1331 | json_stream = stdout; |
1332 | ||
1333 | fprintf (json_stream, "%s", buf.peekChars ()); | |
1334 | ||
1335 | if (json_stream != stdout | |
1336 | && (ferror (json_stream) || fclose (json_stream))) | |
1337 | fatal_error (input_location, "closing json file %s: %m", name); | |
b4c522fa IB |
1338 | } |
1339 | ||
1340 | /* Generate Ddoc files. */ | |
1341 | if (global.params.doDocComments && !global.errors && !errorcount) | |
1342 | { | |
2cbc99d1 | 1343 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1344 | { |
1345 | Module *m = modules[i]; | |
1346 | gendocfile (m); | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | /* Handle -fdump-d-original. */ | |
1351 | if (global.params.vcg_ast) | |
1352 | { | |
2cbc99d1 | 1353 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1354 | { |
1355 | Module *m = modules[i]; | |
1356 | OutBuffer buf; | |
1357 | buf.doindent = 1; | |
1358 | ||
1359 | moduleToBuffer (&buf, m); | |
d103f336 | 1360 | message ("%s", buf.peekChars ()); |
b4c522fa IB |
1361 | } |
1362 | } | |
1363 | ||
5fee5ec3 IB |
1364 | /* Generate C++ header files. */ |
1365 | if (global.params.doCxxHdrGeneration != CxxHeaderMode::none) | |
1366 | genCppHdrFiles (modules); | |
1367 | ||
1368 | if (global.errors) | |
1369 | goto had_errors; | |
1370 | ||
2cbc99d1 | 1371 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1372 | { |
1373 | Module *m = modules[i]; | |
0fb57034 IB |
1374 | |
1375 | /* Skip generating code for header files, or when the module wasn't | |
1376 | specified by `-fonly=`. */ | |
5fee5ec3 IB |
1377 | if ((m->isHdrFile && m != main_module) |
1378 | || (d_option.fonly && m != Module::rootModule)) | |
b4c522fa IB |
1379 | continue; |
1380 | ||
1381 | if (global.params.verbose) | |
1382 | message ("code %s", m->toChars ()); | |
1383 | ||
1384 | if (!flag_syntax_only) | |
5fee5ec3 | 1385 | build_decl_tree (m); |
b4c522fa IB |
1386 | } |
1387 | ||
1388 | /* And end the main input file, if the debug writer wants it. */ | |
1389 | if (debug_hooks->start_end_main_source_file) | |
1390 | debug_hooks->end_source_file (0); | |
1391 | ||
1392 | had_errors: | |
1393 | /* Add the D frontend error count to the GCC error count to correctly | |
1394 | exit with an error status. */ | |
1395 | errorcount += (global.errors + global.warnings); | |
1396 | ||
5fee5ec3 IB |
1397 | /* We want to write the mixin expansion file also on error. */ |
1398 | if (global.params.mixinOut) | |
1399 | { | |
1400 | FILE *mixin_stream = fopen (global.params.mixinFile, "w"); | |
1401 | ||
1402 | if (mixin_stream) | |
1403 | { | |
1404 | OutBuffer *buf = global.params.mixinOut; | |
1405 | fprintf (mixin_stream, "%s", buf->peekChars ()); | |
1406 | ||
1407 | if (ferror (mixin_stream) || fclose (mixin_stream)) | |
1408 | fatal_error (input_location, "closing mixin file %s: %m", | |
1409 | global.params.mixinFile); | |
1410 | } | |
1411 | else | |
1412 | { | |
1413 | fatal_error (input_location, "opening mixin file %s: %m", | |
1414 | global.params.mixinFile); | |
1415 | } | |
1416 | } | |
1417 | ||
75f2e3f6 IB |
1418 | /* Remove generated .di files on error. */ |
1419 | if (errorcount && dump_headers) | |
1420 | { | |
1421 | for (size_t i = 0; i < modules.length; i++) | |
1422 | { | |
1423 | Module *m = modules[i]; | |
5fee5ec3 | 1424 | if (m->isHdrFile || (d_option.fonly && m != Module::rootModule)) |
75f2e3f6 IB |
1425 | continue; |
1426 | ||
5fee5ec3 | 1427 | remove (m->hdrfile.toChars ()); |
75f2e3f6 IB |
1428 | } |
1429 | } | |
1430 | ||
b4c522fa IB |
1431 | /* Write out globals. */ |
1432 | d_finish_compilation (vec_safe_address (global_declarations), | |
1433 | vec_safe_length (global_declarations)); | |
1434 | } | |
1435 | ||
1436 | /* Implements the lang_hooks.types.type_for_mode routine for language D. */ | |
1437 | ||
1438 | static tree | |
1439 | d_type_for_mode (machine_mode mode, int unsignedp) | |
1440 | { | |
1441 | if (mode == QImode) | |
1442 | return unsignedp ? d_ubyte_type : d_byte_type; | |
1443 | ||
1444 | if (mode == HImode) | |
1445 | return unsignedp ? d_ushort_type : d_short_type; | |
1446 | ||
1447 | if (mode == SImode) | |
1448 | return unsignedp ? d_uint_type : d_int_type; | |
1449 | ||
1450 | if (mode == DImode) | |
1451 | return unsignedp ? d_ulong_type : d_long_type; | |
1452 | ||
1453 | if (mode == TYPE_MODE (d_cent_type)) | |
1454 | return unsignedp ? d_ucent_type : d_cent_type; | |
1455 | ||
1456 | if (mode == TYPE_MODE (float_type_node)) | |
1457 | return float_type_node; | |
1458 | ||
1459 | if (mode == TYPE_MODE (double_type_node)) | |
1460 | return double_type_node; | |
1461 | ||
1462 | if (mode == TYPE_MODE (long_double_type_node)) | |
1463 | return long_double_type_node; | |
1464 | ||
1465 | if (mode == TYPE_MODE (build_pointer_type (char8_type_node))) | |
1466 | return build_pointer_type (char8_type_node); | |
1467 | ||
1468 | if (mode == TYPE_MODE (build_pointer_type (d_int_type))) | |
1469 | return build_pointer_type (d_int_type); | |
1470 | ||
edf09592 IB |
1471 | for (int i = 0; i < NUM_INT_N_ENTS; i ++) |
1472 | { | |
1473 | if (int_n_enabled_p[i] && mode == int_n_data[i].m) | |
1474 | { | |
1475 | if (unsignedp) | |
1476 | return int_n_trees[i].unsigned_type; | |
1477 | else | |
1478 | return int_n_trees[i].signed_type; | |
1479 | } | |
1480 | } | |
1481 | ||
b4c522fa IB |
1482 | if (COMPLEX_MODE_P (mode)) |
1483 | { | |
1484 | machine_mode inner_mode; | |
1485 | tree inner_type; | |
1486 | ||
1487 | if (mode == TYPE_MODE (complex_float_type_node)) | |
1488 | return complex_float_type_node; | |
1489 | if (mode == TYPE_MODE (complex_double_type_node)) | |
1490 | return complex_double_type_node; | |
1491 | if (mode == TYPE_MODE (complex_long_double_type_node)) | |
1492 | return complex_long_double_type_node; | |
1493 | ||
1494 | inner_mode = (machine_mode) GET_MODE_INNER (mode); | |
1495 | inner_type = d_type_for_mode (inner_mode, unsignedp); | |
1496 | if (inner_type != NULL_TREE) | |
1497 | return build_complex_type (inner_type); | |
1498 | } | |
1499 | else if (VECTOR_MODE_P (mode)) | |
1500 | { | |
1501 | machine_mode inner_mode = (machine_mode) GET_MODE_INNER (mode); | |
1502 | tree inner_type = d_type_for_mode (inner_mode, unsignedp); | |
1503 | if (inner_type != NULL_TREE) | |
1504 | return build_vector_type_for_mode (inner_type, mode); | |
1505 | } | |
1506 | ||
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | /* Implements the lang_hooks.types.type_for_size routine for language D. */ | |
1511 | ||
1512 | static tree | |
1513 | d_type_for_size (unsigned bits, int unsignedp) | |
1514 | { | |
1515 | if (bits <= TYPE_PRECISION (d_byte_type)) | |
1516 | return unsignedp ? d_ubyte_type : d_byte_type; | |
1517 | ||
1518 | if (bits <= TYPE_PRECISION (d_short_type)) | |
1519 | return unsignedp ? d_ushort_type : d_short_type; | |
1520 | ||
1521 | if (bits <= TYPE_PRECISION (d_int_type)) | |
1522 | return unsignedp ? d_uint_type : d_int_type; | |
1523 | ||
1524 | if (bits <= TYPE_PRECISION (d_long_type)) | |
1525 | return unsignedp ? d_ulong_type : d_long_type; | |
1526 | ||
1527 | if (bits <= TYPE_PRECISION (d_cent_type)) | |
1528 | return unsignedp ? d_ucent_type : d_cent_type; | |
1529 | ||
edf09592 IB |
1530 | for (int i = 0; i < NUM_INT_N_ENTS; i ++) |
1531 | { | |
1532 | if (int_n_enabled_p[i] && bits == int_n_data[i].bitsize) | |
1533 | { | |
1534 | if (unsignedp) | |
1535 | return int_n_trees[i].unsigned_type; | |
1536 | else | |
1537 | return int_n_trees[i].signed_type; | |
1538 | } | |
1539 | } | |
1540 | ||
b4c522fa IB |
1541 | return 0; |
1542 | } | |
1543 | ||
707e9159 | 1544 | /* Implements the lang_hooks.types.type_promotes_to routine for language D. */ |
b4c522fa IB |
1545 | |
1546 | static tree | |
1547 | d_type_promotes_to (tree type) | |
1548 | { | |
707e9159 IB |
1549 | /* Promotions are only applied on unnamed function arguments for declarations |
1550 | with `extern(C)' or `extern(C++)' linkage. */ | |
1551 | if (cfun && DECL_LANG_FRONTEND (cfun->decl) | |
5fee5ec3 | 1552 | && DECL_LANG_FRONTEND (cfun->decl)->linkage != LINK::d) |
707e9159 IB |
1553 | { |
1554 | /* In [type/integer-promotions], integer promotions are conversions of the | |
1555 | following types: | |
1556 | ||
1557 | bool int | |
1558 | byte int | |
1559 | ubyte int | |
1560 | short int | |
1561 | ushort int | |
1562 | char int | |
1563 | wchar int | |
1564 | dchar uint | |
1565 | ||
1566 | If an enum has as a base type one of the types in the left column, it | |
1567 | is converted to the type in the right column. */ | |
1568 | if (TREE_CODE (type) == ENUMERAL_TYPE && ENUM_IS_SCOPED (type)) | |
1569 | type = TREE_TYPE (type); | |
1570 | ||
1571 | type = TYPE_MAIN_VARIANT (type); | |
1572 | ||
1573 | /* Check for promotions of target-defined types first. */ | |
1574 | tree promoted_type = targetm.promoted_type (type); | |
1575 | if (promoted_type) | |
1576 | return promoted_type; | |
1577 | ||
1578 | if (TREE_CODE (type) == BOOLEAN_TYPE) | |
1579 | return d_int_type; | |
1580 | ||
1581 | if (INTEGRAL_TYPE_P (type)) | |
1582 | { | |
1583 | if (type == d_byte_type || type == d_ubyte_type | |
1584 | || type == d_short_type || type == d_ushort_type | |
1585 | || type == char8_type_node || type == char16_type_node) | |
1586 | return d_int_type; | |
1587 | ||
1588 | if (type == char32_type_node) | |
1589 | return d_uint_type; | |
1590 | ||
1591 | if (TYPE_PRECISION (type) < TYPE_PRECISION (d_int_type)) | |
1592 | return d_int_type; | |
1593 | } | |
1594 | ||
1595 | /* Float arguments are converted to doubles. */ | |
1596 | if (type == float_type_node) | |
1597 | return double_type_node; | |
1598 | ||
1599 | if (type == ifloat_type_node) | |
1600 | return idouble_type_node; | |
1601 | } | |
1602 | ||
b4c522fa IB |
1603 | return type; |
1604 | } | |
1605 | ||
1606 | /* Implements the lang_hooks.decls.global_bindings_p routine for language D. | |
1607 | Return true if we are in the global binding level. */ | |
1608 | ||
1609 | static bool | |
1610 | d_global_bindings_p (void) | |
1611 | { | |
1612 | return (current_binding_level == global_binding_level); | |
1613 | } | |
1614 | ||
1615 | /* Return global_context, but create it first if need be. */ | |
1616 | ||
1617 | static tree | |
1618 | get_global_context (void) | |
1619 | { | |
1620 | if (!global_context) | |
1621 | { | |
1622 | global_context = build_translation_unit_decl (NULL_TREE); | |
1623 | debug_hooks->register_main_translation_unit (global_context); | |
1624 | } | |
1625 | ||
1626 | return global_context; | |
1627 | } | |
1628 | ||
1629 | /* Implements the lang_hooks.decls.pushdecl routine for language D. | |
1630 | Record DECL as belonging to the current lexical scope. */ | |
1631 | ||
1632 | tree | |
1633 | d_pushdecl (tree decl) | |
1634 | { | |
1635 | /* Set the context of the decl. If current_function_decl did not help in | |
1636 | determining the context, use global scope. */ | |
1637 | if (!DECL_CONTEXT (decl)) | |
1638 | { | |
1639 | if (current_function_decl) | |
1640 | DECL_CONTEXT (decl) = current_function_decl; | |
1641 | else | |
1642 | DECL_CONTEXT (decl) = get_global_context (); | |
1643 | } | |
1644 | ||
1645 | /* Put decls on list in reverse order. */ | |
1646 | if (TREE_STATIC (decl) || d_global_bindings_p ()) | |
1647 | vec_safe_push (global_declarations, decl); | |
1648 | else | |
1649 | { | |
1650 | TREE_CHAIN (decl) = current_binding_level->names; | |
1651 | current_binding_level->names = decl; | |
1652 | } | |
1653 | ||
1654 | return decl; | |
1655 | } | |
1656 | ||
1657 | /* Implements the lang_hooks.decls.getdecls routine for language D. | |
1658 | Return the list of declarations of the current level. */ | |
1659 | ||
1660 | static tree | |
1661 | d_getdecls (void) | |
1662 | { | |
1663 | if (current_binding_level) | |
1664 | return current_binding_level->names; | |
1665 | ||
1666 | return NULL_TREE; | |
1667 | } | |
1668 | ||
1669 | ||
1670 | /* Implements the lang_hooks.get_alias_set routine for language D. | |
1671 | Get the alias set corresponding to type or expression T. | |
1672 | Return -1 if we don't do anything special. */ | |
1673 | ||
1674 | static alias_set_type | |
1675 | d_get_alias_set (tree) | |
1676 | { | |
1677 | /* For now in D, assume everything aliases everything else, until we define | |
1678 | some solid rules backed by a specification. There are also some parts | |
1679 | of code generation routines that don't adhere to C alias rules, such as | |
1680 | build_vconvert. In any case, a lot of user code already assumes there | |
1681 | is no strict aliasing and will break if we were to change that. */ | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | /* Implements the lang_hooks.types_compatible_p routine for language D. | |
1686 | Compares two types for equivalence in the D programming language. | |
1687 | This routine should only return 1 if it is sure, even though the frontend | |
1688 | should have already ensured that all types are compatible before handing | |
1689 | over the parsed ASTs to the code generator. */ | |
1690 | ||
1691 | static int | |
1692 | d_types_compatible_p (tree x, tree y) | |
1693 | { | |
1694 | Type *tx = TYPE_LANG_FRONTEND (x); | |
1695 | Type *ty = TYPE_LANG_FRONTEND (y); | |
1696 | ||
1697 | /* Try validating the types in the frontend. */ | |
1698 | if (tx != NULL && ty != NULL) | |
1699 | { | |
1700 | /* Types are equivalent. */ | |
1701 | if (same_type_p (tx, ty)) | |
1702 | return true; | |
1703 | ||
1704 | /* Type system allows implicit conversion between. */ | |
5fee5ec3 IB |
1705 | if (tx->implicitConvTo (ty) != MATCH::nomatch |
1706 | || ty->implicitConvTo (tx) != MATCH::nomatch) | |
b4c522fa IB |
1707 | return true; |
1708 | } | |
1709 | ||
1710 | /* Fallback on using type flags for comparison. E.g: all dynamic arrays | |
1711 | are distinct types in D, but are VIEW_CONVERT compatible. */ | |
1712 | if (TREE_CODE (x) == RECORD_TYPE && TREE_CODE (y) == RECORD_TYPE) | |
1713 | { | |
1714 | if (TYPE_DYNAMIC_ARRAY (x) && TYPE_DYNAMIC_ARRAY (y)) | |
1715 | return true; | |
1716 | ||
1717 | if (TYPE_DELEGATE (x) && TYPE_DELEGATE (y)) | |
1718 | return true; | |
1719 | ||
1720 | if (TYPE_ASSOCIATIVE_ARRAY (x) && TYPE_ASSOCIATIVE_ARRAY (y)) | |
1721 | return true; | |
1722 | } | |
1723 | ||
1724 | return false; | |
1725 | } | |
1726 | ||
1727 | /* Implements the lang_hooks.finish_incomplete_decl routine for language D. */ | |
1728 | ||
1729 | static void | |
1730 | d_finish_incomplete_decl (tree decl) | |
1731 | { | |
1732 | if (VAR_P (decl)) | |
1733 | { | |
1734 | /* D allows zero-length declarations. Such a declaration ends up with | |
1735 | DECL_SIZE (t) == NULL_TREE which is what the back-end function | |
1736 | assembler_variable checks. This could change in later versions, or | |
1737 | maybe all of these variables should be aliased to one symbol. */ | |
1738 | if (DECL_SIZE (decl) == 0) | |
1739 | { | |
1740 | DECL_SIZE (decl) = bitsize_zero_node; | |
1741 | DECL_SIZE_UNIT (decl) = size_zero_node; | |
1742 | } | |
1743 | } | |
1744 | } | |
1745 | ||
1746 | /* Implements the lang_hooks.types.classify_record routine for language D. | |
1747 | Return the true debug type for TYPE. */ | |
1748 | ||
1749 | static classify_record | |
1750 | d_classify_record (tree type) | |
1751 | { | |
1752 | Type *t = TYPE_LANG_FRONTEND (type); | |
89fdaf5a | 1753 | TypeClass *tc = t ? t->isTypeClass () : NULL; |
b4c522fa | 1754 | |
89fdaf5a | 1755 | if (tc != NULL) |
b4c522fa | 1756 | { |
b4c522fa IB |
1757 | /* extern(C++) interfaces get emitted as classes. */ |
1758 | if (tc->sym->isInterfaceDeclaration () | |
1759 | && !tc->sym->isCPPinterface ()) | |
1760 | return RECORD_IS_INTERFACE; | |
1761 | ||
1762 | return RECORD_IS_CLASS; | |
1763 | } | |
1764 | ||
1765 | return RECORD_IS_STRUCT; | |
1766 | } | |
1767 | ||
1768 | /* Implements the lang_hooks.tree_size routine for language D. | |
1769 | Determine the size of our tcc_constant or tcc_exceptional nodes. */ | |
1770 | ||
1771 | static size_t | |
1772 | d_tree_size (tree_code code) | |
1773 | { | |
1774 | switch (code) | |
1775 | { | |
1776 | case FUNCFRAME_INFO: | |
1777 | return sizeof (tree_frame_info); | |
1778 | ||
1779 | default: | |
1780 | gcc_unreachable (); | |
1781 | } | |
1782 | } | |
1783 | ||
1784 | /* Implements the lang_hooks.print_xnode routine for language D. */ | |
1785 | ||
1786 | static void | |
1787 | d_print_xnode (FILE *file, tree node, int indent) | |
1788 | { | |
1789 | switch (TREE_CODE (node)) | |
1790 | { | |
1791 | case FUNCFRAME_INFO: | |
1792 | print_node (file, "frame_type", FRAMEINFO_TYPE (node), indent + 4); | |
1793 | break; | |
1794 | ||
1795 | default: | |
1796 | break; | |
1797 | } | |
1798 | } | |
1799 | ||
1800 | /* Return which tree structure is used by NODE, or TS_D_GENERIC if NODE | |
1801 | is one of the language-independent trees. */ | |
1802 | ||
1803 | d_tree_node_structure_enum | |
1804 | d_tree_node_structure (lang_tree_node *t) | |
1805 | { | |
1806 | switch (TREE_CODE (&t->generic)) | |
1807 | { | |
1808 | case IDENTIFIER_NODE: | |
1809 | return TS_D_IDENTIFIER; | |
1810 | ||
1811 | case FUNCFRAME_INFO: | |
1812 | return TS_D_FRAMEINFO; | |
1813 | ||
1814 | default: | |
1815 | return TS_D_GENERIC; | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | /* Allocate and return a lang specific structure for the frontend type. */ | |
1820 | ||
1821 | struct lang_type * | |
1822 | build_lang_type (Type *t) | |
1823 | { | |
af3c19f0 | 1824 | struct lang_type *lt = ggc_cleared_alloc <struct lang_type> (); |
b4c522fa IB |
1825 | lt->type = t; |
1826 | return lt; | |
1827 | } | |
1828 | ||
1829 | /* Allocate and return a lang specific structure for the frontend decl. */ | |
1830 | ||
1831 | struct lang_decl * | |
1832 | build_lang_decl (Declaration *d) | |
1833 | { | |
1834 | /* For compiler generated run-time typeinfo, a lang_decl is allocated even if | |
1835 | there's no associated frontend symbol to refer to (yet). If the symbol | |
1836 | appears later in the compilation, then the slot will be re-used. */ | |
1837 | if (d == NULL) | |
af3c19f0 | 1838 | return ggc_cleared_alloc <struct lang_decl> (); |
b4c522fa IB |
1839 | |
1840 | struct lang_decl *ld = (d->csym) ? DECL_LANG_SPECIFIC (d->csym) : NULL; | |
1841 | if (ld == NULL) | |
af3c19f0 | 1842 | ld = ggc_cleared_alloc <struct lang_decl> (); |
b4c522fa IB |
1843 | |
1844 | if (ld->decl == NULL) | |
1845 | ld->decl = d; | |
1846 | ||
1847 | return ld; | |
1848 | } | |
1849 | ||
1850 | /* Implements the lang_hooks.dup_lang_specific_decl routine for language D. | |
1851 | Replace the DECL_LANG_SPECIFIC field of NODE with a copy. */ | |
1852 | ||
1853 | static void | |
1854 | d_dup_lang_specific_decl (tree node) | |
1855 | { | |
af3c19f0 | 1856 | if (!DECL_LANG_SPECIFIC (node)) |
b4c522fa IB |
1857 | return; |
1858 | ||
af3c19f0 | 1859 | struct lang_decl *ld = ggc_alloc <struct lang_decl> (); |
b4c522fa IB |
1860 | memcpy (ld, DECL_LANG_SPECIFIC (node), sizeof (struct lang_decl)); |
1861 | DECL_LANG_SPECIFIC (node) = ld; | |
1862 | } | |
1863 | ||
1864 | /* This preserves trees we create from the garbage collector. */ | |
1865 | ||
1866 | static GTY(()) tree d_keep_list = NULL_TREE; | |
1867 | ||
1868 | void | |
1869 | d_keep (tree t) | |
1870 | { | |
1871 | d_keep_list = tree_cons (NULL_TREE, t, d_keep_list); | |
1872 | } | |
1873 | ||
1874 | /* Implements the lang_hooks.eh_personality routine for language D. | |
1875 | Return the GDC personality function decl. */ | |
1876 | ||
1877 | static GTY(()) tree d_eh_personality_decl; | |
1878 | ||
1879 | static tree | |
1880 | d_eh_personality (void) | |
1881 | { | |
1882 | if (!d_eh_personality_decl) | |
1883 | d_eh_personality_decl = build_personality_function ("gdc"); | |
1884 | ||
1885 | return d_eh_personality_decl; | |
1886 | } | |
1887 | ||
1888 | /* Implements the lang_hooks.eh_runtime_type routine for language D. */ | |
1889 | ||
1890 | static tree | |
1891 | d_build_eh_runtime_type (tree type) | |
1892 | { | |
1893 | Type *t = TYPE_LANG_FRONTEND (type); | |
89fdaf5a IB |
1894 | gcc_assert (t != NULL); |
1895 | t = t->toBasetype (); | |
b4c522fa | 1896 | |
89fdaf5a | 1897 | ClassDeclaration *cd = t->isTypeClass ()->sym; |
b4c522fa IB |
1898 | tree decl; |
1899 | ||
1900 | if (cd->isCPPclass ()) | |
1901 | decl = get_cpp_typeinfo_decl (cd); | |
1902 | else | |
1903 | decl = get_classinfo_decl (cd); | |
1904 | ||
1905 | return convert (ptr_type_node, build_address (decl)); | |
1906 | } | |
1907 | ||
0907036f IB |
1908 | /* Implements the lang_hooks.enum_underlying_base_type routine for language D. |
1909 | Returns the underlying type of the given enumeration TYPE. */ | |
1910 | ||
1911 | static tree | |
1912 | d_enum_underlying_base_type (const_tree type) | |
1913 | { | |
1914 | gcc_assert (TREE_CODE (type) == ENUMERAL_TYPE); | |
1915 | return TREE_TYPE (type); | |
1916 | } | |
1917 | ||
b4c522fa IB |
1918 | /* Definitions for our language-specific hooks. */ |
1919 | ||
1920 | #undef LANG_HOOKS_NAME | |
1921 | #undef LANG_HOOKS_INIT | |
1922 | #undef LANG_HOOKS_INIT_TS | |
1923 | #undef LANG_HOOKS_INIT_OPTIONS | |
1924 | #undef LANG_HOOKS_INIT_OPTIONS_STRUCT | |
1925 | #undef LANG_HOOKS_OPTION_LANG_MASK | |
1926 | #undef LANG_HOOKS_HANDLE_OPTION | |
1927 | #undef LANG_HOOKS_POST_OPTIONS | |
1928 | #undef LANG_HOOKS_PARSE_FILE | |
1929 | #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE | |
1930 | #undef LANG_HOOKS_ATTRIBUTE_TABLE | |
1931 | #undef LANG_HOOKS_GET_ALIAS_SET | |
1932 | #undef LANG_HOOKS_TYPES_COMPATIBLE_P | |
1933 | #undef LANG_HOOKS_BUILTIN_FUNCTION | |
b2f6e1de | 1934 | #undef LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE |
b4c522fa IB |
1935 | #undef LANG_HOOKS_REGISTER_BUILTIN_TYPE |
1936 | #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL | |
1937 | #undef LANG_HOOKS_GIMPLIFY_EXPR | |
1938 | #undef LANG_HOOKS_CLASSIFY_RECORD | |
1939 | #undef LANG_HOOKS_TREE_SIZE | |
1940 | #undef LANG_HOOKS_PRINT_XNODE | |
1941 | #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL | |
1942 | #undef LANG_HOOKS_EH_PERSONALITY | |
1943 | #undef LANG_HOOKS_EH_RUNTIME_TYPE | |
0907036f | 1944 | #undef LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE |
b4c522fa IB |
1945 | #undef LANG_HOOKS_PUSHDECL |
1946 | #undef LANG_HOOKS_GETDECLS | |
1947 | #undef LANG_HOOKS_GLOBAL_BINDINGS_P | |
1948 | #undef LANG_HOOKS_TYPE_FOR_MODE | |
1949 | #undef LANG_HOOKS_TYPE_FOR_SIZE | |
1950 | #undef LANG_HOOKS_TYPE_PROMOTES_TO | |
1951 | ||
1952 | #define LANG_HOOKS_NAME "GNU D" | |
1953 | #define LANG_HOOKS_INIT d_init | |
1954 | #define LANG_HOOKS_INIT_TS d_init_ts | |
1955 | #define LANG_HOOKS_INIT_OPTIONS d_init_options | |
1956 | #define LANG_HOOKS_INIT_OPTIONS_STRUCT d_init_options_struct | |
1957 | #define LANG_HOOKS_OPTION_LANG_MASK d_option_lang_mask | |
1958 | #define LANG_HOOKS_HANDLE_OPTION d_handle_option | |
1959 | #define LANG_HOOKS_POST_OPTIONS d_post_options | |
1960 | #define LANG_HOOKS_PARSE_FILE d_parse_file | |
1961 | #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE d_langhook_common_attribute_table | |
1962 | #define LANG_HOOKS_ATTRIBUTE_TABLE d_langhook_attribute_table | |
1963 | #define LANG_HOOKS_GET_ALIAS_SET d_get_alias_set | |
1964 | #define LANG_HOOKS_TYPES_COMPATIBLE_P d_types_compatible_p | |
1965 | #define LANG_HOOKS_BUILTIN_FUNCTION d_builtin_function | |
b2f6e1de | 1966 | #define LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE d_builtin_function_ext_scope |
b4c522fa IB |
1967 | #define LANG_HOOKS_REGISTER_BUILTIN_TYPE d_register_builtin_type |
1968 | #define LANG_HOOKS_FINISH_INCOMPLETE_DECL d_finish_incomplete_decl | |
1969 | #define LANG_HOOKS_GIMPLIFY_EXPR d_gimplify_expr | |
1970 | #define LANG_HOOKS_CLASSIFY_RECORD d_classify_record | |
1971 | #define LANG_HOOKS_TREE_SIZE d_tree_size | |
1972 | #define LANG_HOOKS_PRINT_XNODE d_print_xnode | |
1973 | #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL d_dup_lang_specific_decl | |
1974 | #define LANG_HOOKS_EH_PERSONALITY d_eh_personality | |
1975 | #define LANG_HOOKS_EH_RUNTIME_TYPE d_build_eh_runtime_type | |
0907036f | 1976 | #define LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE d_enum_underlying_base_type |
b4c522fa IB |
1977 | #define LANG_HOOKS_PUSHDECL d_pushdecl |
1978 | #define LANG_HOOKS_GETDECLS d_getdecls | |
1979 | #define LANG_HOOKS_GLOBAL_BINDINGS_P d_global_bindings_p | |
1980 | #define LANG_HOOKS_TYPE_FOR_MODE d_type_for_mode | |
1981 | #define LANG_HOOKS_TYPE_FOR_SIZE d_type_for_size | |
1982 | #define LANG_HOOKS_TYPE_PROMOTES_TO d_type_promotes_to | |
1983 | ||
1984 | struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; | |
1985 | ||
1986 | #include "gt-d-d-lang.h" | |
1987 | #include "gtype-d.h" |