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b4c522fa | 1 | /* d-lang.cc -- Language-dependent hooks for D. |
8d9254fc | 2 | Copyright (C) 2006-2020 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" | |
29 | #include "dmd/identifier.h" | |
30 | #include "dmd/json.h" | |
31 | #include "dmd/mangle.h" | |
32 | #include "dmd/mars.h" | |
33 | #include "dmd/module.h" | |
34 | #include "dmd/mtype.h" | |
35 | #include "dmd/target.h" | |
36 | ||
37 | #include "opts.h" | |
38 | #include "alias.h" | |
39 | #include "tree.h" | |
40 | #include "diagnostic.h" | |
41 | #include "fold-const.h" | |
42 | #include "toplev.h" | |
43 | #include "langhooks.h" | |
44 | #include "langhooks-def.h" | |
45 | #include "target.h" | |
46 | #include "stringpool.h" | |
47 | #include "stor-layout.h" | |
48 | #include "varasm.h" | |
49 | #include "output.h" | |
50 | #include "print-tree.h" | |
51 | #include "gimple-expr.h" | |
52 | #include "gimplify.h" | |
53 | #include "debug.h" | |
54 | ||
55 | #include "d-tree.h" | |
56 | #include "id.h" | |
57 | ||
58 | ||
59 | /* Array of D frontend type/decl nodes. */ | |
60 | tree d_global_trees[DTI_MAX]; | |
61 | ||
62 | /* True if compilation is currently inside the D frontend semantic passes. */ | |
63 | bool doing_semantic_analysis_p = false; | |
64 | ||
65 | /* Options handled by the compiler that are separate from the frontend. */ | |
66 | struct d_option_data | |
67 | { | |
68 | const char *fonly; /* -fonly=<arg> */ | |
69 | const char *multilib; /* -imultilib <dir> */ | |
70 | const char *prefix; /* -iprefix <dir> */ | |
71 | ||
72 | bool deps; /* -M */ | |
73 | bool deps_skip_system; /* -MM */ | |
74 | const char *deps_filename; /* -M[M]D */ | |
75 | const char *deps_filename_user; /* -MF <arg> */ | |
76 | OutBuffer *deps_target; /* -M[QT] <arg> */ | |
77 | bool deps_phony; /* -MP */ | |
78 | ||
79 | bool stdinc; /* -nostdinc */ | |
80 | } | |
81 | d_option; | |
82 | ||
83 | /* List of modules being compiled. */ | |
84 | static Modules builtin_modules; | |
85 | ||
86 | /* Module where `C main' is defined, compiled in if needed. */ | |
87 | static Module *entrypoint_module = NULL; | |
88 | static Module *entrypoint_root_module = NULL; | |
89 | ||
90 | /* The current and global binding level in effect. */ | |
91 | struct binding_level *current_binding_level; | |
92 | struct binding_level *global_binding_level; | |
93 | ||
94 | /* The context to be used for global declarations. */ | |
95 | static GTY(()) tree global_context; | |
96 | ||
97 | /* Array of all global declarations to pass back to the middle-end. */ | |
98 | static GTY(()) vec<tree, va_gc> *global_declarations; | |
99 | ||
100 | /* Support for GCC-style command-line make dependency generation. | |
101 | Adds TARGET to the make dependencies target buffer. | |
102 | QUOTED is true if the string should be quoted. */ | |
103 | ||
104 | static void | |
105 | deps_add_target (const char *target, bool quoted) | |
106 | { | |
107 | if (!d_option.deps_target) | |
108 | d_option.deps_target = new OutBuffer (); | |
109 | else | |
110 | d_option.deps_target->writeByte (' '); | |
111 | ||
112 | d_option.deps_target->reserve (strlen (target)); | |
113 | ||
114 | if (!quoted) | |
115 | { | |
116 | d_option.deps_target->writestring (target); | |
117 | return; | |
118 | } | |
119 | ||
120 | /* Quote characters in target which are significant to Make. */ | |
121 | for (const char *p = target; *p != '\0'; p++) | |
122 | { | |
123 | switch (*p) | |
124 | { | |
125 | case ' ': | |
126 | case '\t': | |
127 | for (const char *q = p - 1; target <= q && *q == '\\'; q--) | |
128 | d_option.deps_target->writeByte ('\\'); | |
129 | d_option.deps_target->writeByte ('\\'); | |
130 | break; | |
131 | ||
132 | case '$': | |
133 | d_option.deps_target->writeByte ('$'); | |
134 | break; | |
135 | ||
136 | case '#': | |
137 | d_option.deps_target->writeByte ('\\'); | |
138 | break; | |
139 | ||
140 | default: | |
141 | break; | |
142 | } | |
143 | ||
144 | d_option.deps_target->writeByte (*p); | |
145 | } | |
146 | } | |
147 | ||
148 | /* Write out all dependencies of a given MODULE to the specified BUFFER. | |
149 | COLMAX is the number of columns to word-wrap at (0 means don't wrap). */ | |
150 | ||
151 | static void | |
152 | deps_write (Module *module, OutBuffer *buffer, unsigned colmax = 72) | |
153 | { | |
4a01f7b1 IB |
154 | hash_set <const char *> seen_modules; |
155 | vec <const char *> dependencies = vNULL; | |
b4c522fa IB |
156 | |
157 | Modules modlist; | |
158 | modlist.push (module); | |
159 | ||
fbe60463 | 160 | vec <const char *> phonylist = vNULL; |
b4c522fa IB |
161 | unsigned column = 0; |
162 | ||
163 | /* Write out make target module name. */ | |
164 | if (d_option.deps_target) | |
165 | { | |
fbe60463 IB |
166 | buffer->writestring (d_option.deps_target->extractString ()); |
167 | column = d_option.deps_target->offset; | |
b4c522fa IB |
168 | } |
169 | else | |
170 | { | |
fbe60463 IB |
171 | buffer->writestring (module->objfile->name->str); |
172 | column = buffer->offset; | |
b4c522fa IB |
173 | } |
174 | ||
b4c522fa IB |
175 | buffer->writestring (":"); |
176 | column++; | |
177 | ||
4a01f7b1 | 178 | /* Search all modules for file dependencies. */ |
2cbc99d1 | 179 | while (modlist.length > 0) |
b4c522fa IB |
180 | { |
181 | Module *depmod = modlist.pop (); | |
182 | ||
fbe60463 | 183 | const char *modstr = depmod->srcfile->name->str; |
b4c522fa | 184 | |
4a01f7b1 | 185 | /* Skip modules that have already been looked at. */ |
fbe60463 | 186 | if (seen_modules.add (modstr)) |
b4c522fa IB |
187 | continue; |
188 | ||
fbe60463 | 189 | dependencies.safe_push (modstr); |
b4c522fa IB |
190 | |
191 | /* Add to list of phony targets if is not being compile. */ | |
192 | if (d_option.deps_phony && !depmod->isRoot ()) | |
fbe60463 | 193 | phonylist.safe_push (modstr); |
b4c522fa | 194 | |
4a01f7b1 | 195 | /* Add imported files to dependency list. */ |
2cbc99d1 | 196 | for (size_t i = 0; i < depmod->contentImportedFiles.length; i++) |
fbe60463 IB |
197 | { |
198 | const char *impstr = depmod->contentImportedFiles[i]; | |
199 | dependencies.safe_push (impstr); | |
200 | phonylist.safe_push (impstr); | |
201 | } | |
4a01f7b1 IB |
202 | |
203 | /* Search all imports of the module. */ | |
2cbc99d1 | 204 | for (size_t i = 0; i < depmod->aimports.length; i++) |
b4c522fa IB |
205 | { |
206 | Module *m = depmod->aimports[i]; | |
207 | ||
208 | /* Ignore compiler-generated modules. */ | |
209 | if ((m->ident == Identifier::idPool ("__entrypoint") | |
210 | || m->ident == Identifier::idPool ("__main")) | |
211 | && m->parent == NULL) | |
212 | continue; | |
213 | ||
214 | /* Don't search system installed modules, this includes | |
215 | object, core.*, std.*, and gcc.* packages. */ | |
216 | if (d_option.deps_skip_system) | |
217 | { | |
218 | if (m->ident == Identifier::idPool ("object") | |
219 | && m->parent == NULL) | |
220 | continue; | |
221 | ||
222 | if (m->md && m->md->packages) | |
223 | { | |
224 | Identifier *package = (*m->md->packages)[0]; | |
225 | ||
226 | if (package == Identifier::idPool ("core") | |
227 | || package == Identifier::idPool ("std") | |
228 | || package == Identifier::idPool ("gcc")) | |
229 | continue; | |
230 | } | |
231 | } | |
232 | ||
233 | modlist.push (m); | |
234 | } | |
235 | } | |
236 | ||
4a01f7b1 IB |
237 | /* Write out all make dependencies. */ |
238 | for (size_t i = 0; i < dependencies.length (); i++) | |
239 | { | |
fbe60463 IB |
240 | const char *str = dependencies[i]; |
241 | unsigned size = strlen (str); | |
4a01f7b1 IB |
242 | column += size; |
243 | ||
244 | if (colmax && column > colmax) | |
245 | { | |
246 | buffer->writestring (" \\\n "); | |
247 | column = size + 1; | |
248 | } | |
249 | else | |
250 | { | |
251 | buffer->writestring (" "); | |
252 | column++; | |
253 | } | |
254 | ||
255 | buffer->writestring (str); | |
256 | } | |
257 | ||
b4c522fa IB |
258 | buffer->writenl (); |
259 | ||
260 | /* Write out all phony targets. */ | |
fbe60463 | 261 | for (size_t i = 0; i < phonylist.length (); i++) |
b4c522fa | 262 | { |
b4c522fa | 263 | buffer->writenl (); |
fbe60463 | 264 | buffer->writestring (phonylist[i]); |
b4c522fa IB |
265 | buffer->writestring (":\n"); |
266 | } | |
267 | } | |
268 | ||
269 | /* Implements the lang_hooks.init_options routine for language D. | |
270 | This initializes the global state for the D frontend before calling | |
271 | the option handlers. */ | |
272 | ||
273 | static void | |
274 | d_init_options (unsigned int, cl_decoded_option *decoded_options) | |
275 | { | |
276 | /* Set default values. */ | |
277 | global._init (); | |
278 | ||
279 | global.vendor = lang_hooks.name; | |
280 | global.params.argv0 = xstrdup (decoded_options[0].arg); | |
281 | global.params.link = true; | |
0cdc55f5 IB |
282 | global.params.useAssert = CHECKENABLEdefault; |
283 | global.params.useInvariants = CHECKENABLEdefault; | |
284 | global.params.useIn = CHECKENABLEdefault; | |
285 | global.params.useOut = CHECKENABLEdefault; | |
286 | global.params.useArrayBounds = CHECKENABLEdefault; | |
287 | global.params.useSwitchError = CHECKENABLEdefault; | |
c0aebc60 IB |
288 | global.params.useModuleInfo = true; |
289 | global.params.useTypeInfo = true; | |
290 | global.params.useExceptions = true; | |
b4c522fa IB |
291 | global.params.useInline = false; |
292 | global.params.obj = true; | |
293 | global.params.hdrStripPlainFunctions = true; | |
294 | global.params.betterC = false; | |
295 | global.params.allInst = false; | |
296 | ||
c9634470 IB |
297 | /* Default extern(C++) mangling to C++14. */ |
298 | global.params.cplusplus = CppStdRevisionCpp14; | |
299 | ||
b4c522fa IB |
300 | global.params.linkswitches = new Strings (); |
301 | global.params.libfiles = new Strings (); | |
302 | global.params.objfiles = new Strings (); | |
303 | global.params.ddocfiles = new Strings (); | |
304 | ||
305 | /* Warnings and deprecations are disabled by default. */ | |
306 | global.params.useDeprecated = DIAGNOSTICoff; | |
307 | global.params.warnings = DIAGNOSTICoff; | |
308 | ||
309 | global.params.imppath = new Strings (); | |
310 | global.params.fileImppath = new Strings (); | |
311 | global.params.modFileAliasStrings = new Strings (); | |
312 | ||
313 | /* Extra GDC-specific options. */ | |
314 | d_option.fonly = NULL; | |
315 | d_option.multilib = NULL; | |
316 | d_option.prefix = NULL; | |
317 | d_option.deps = false; | |
318 | d_option.deps_skip_system = false; | |
319 | d_option.deps_filename = NULL; | |
320 | d_option.deps_filename_user = NULL; | |
321 | d_option.deps_target = NULL; | |
322 | d_option.deps_phony = false; | |
323 | d_option.stdinc = true; | |
324 | } | |
325 | ||
326 | /* Implements the lang_hooks.init_options_struct routine for language D. | |
327 | Initializes the options structure OPTS. */ | |
328 | ||
329 | static void | |
330 | d_init_options_struct (gcc_options *opts) | |
331 | { | |
332 | /* GCC options. */ | |
333 | opts->x_flag_exceptions = 1; | |
334 | ||
335 | /* Avoid range issues for complex multiply and divide. */ | |
336 | opts->x_flag_complex_method = 2; | |
337 | ||
338 | /* Unlike C, there is no global 'errno' variable. */ | |
339 | opts->x_flag_errno_math = 0; | |
340 | opts->frontend_set_flag_errno_math = true; | |
341 | ||
b4c522fa IB |
342 | /* D says that signed overflow is precisely defined. */ |
343 | opts->x_flag_wrapv = 1; | |
344 | } | |
345 | ||
346 | /* Implements the lang_hooks.lang_mask routine for language D. | |
347 | Returns language mask for option parsing. */ | |
348 | ||
349 | static unsigned int | |
350 | d_option_lang_mask (void) | |
351 | { | |
352 | return CL_D; | |
353 | } | |
354 | ||
355 | /* Implements the lang_hooks.init routine for language D. */ | |
356 | ||
357 | static bool | |
358 | d_init (void) | |
359 | { | |
360 | Type::_init (); | |
361 | Id::initialize (); | |
362 | Module::_init (); | |
363 | Expression::_init (); | |
364 | Objc::_init (); | |
365 | ||
366 | /* Back-end init. */ | |
367 | global_binding_level = ggc_cleared_alloc<binding_level> (); | |
368 | current_binding_level = global_binding_level; | |
369 | ||
370 | /* This allows the code in d-builtins.cc to not have to worry about | |
371 | converting (C signed char *) to (D char *) for string arguments of | |
372 | built-in functions. The parameter (signed_char = false) specifies | |
373 | whether char is signed. */ | |
374 | build_common_tree_nodes (false); | |
375 | ||
376 | d_init_builtins (); | |
377 | ||
378 | if (flag_exceptions) | |
379 | using_eh_for_cleanups (); | |
380 | ||
381 | if (!supports_one_only ()) | |
382 | flag_weak = 0; | |
383 | ||
384 | /* This is the C main, not the D main. */ | |
385 | main_identifier_node = get_identifier ("main"); | |
386 | ||
5905cbdb | 387 | target._init (global.params); |
b4c522fa IB |
388 | d_init_versions (); |
389 | ||
390 | /* Insert all library-configured identifiers and import paths. */ | |
391 | add_import_paths (d_option.prefix, d_option.multilib, d_option.stdinc); | |
392 | ||
393 | return 1; | |
394 | } | |
395 | ||
396 | /* Implements the lang_hooks.init_ts routine for language D. */ | |
397 | ||
398 | static void | |
399 | d_init_ts (void) | |
400 | { | |
401 | MARK_TS_TYPED (FLOAT_MOD_EXPR); | |
402 | MARK_TS_TYPED (UNSIGNED_RSHIFT_EXPR); | |
403 | } | |
404 | ||
405 | /* Implements the lang_hooks.handle_option routine for language D. | |
406 | Handles D specific options. Return false if we didn't do anything. */ | |
407 | ||
408 | static bool | |
409 | d_handle_option (size_t scode, const char *arg, HOST_WIDE_INT value, | |
410 | int kind ATTRIBUTE_UNUSED, | |
411 | location_t loc ATTRIBUTE_UNUSED, | |
412 | const cl_option_handlers *handlers ATTRIBUTE_UNUSED) | |
413 | { | |
414 | opt_code code = (opt_code) scode; | |
415 | bool result = true; | |
416 | ||
417 | switch (code) | |
418 | { | |
419 | case OPT_fall_instantiations: | |
420 | global.params.allInst = value; | |
421 | break; | |
422 | ||
423 | case OPT_fassert: | |
0cdc55f5 | 424 | global.params.useAssert = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
425 | break; |
426 | ||
427 | case OPT_fbounds_check: | |
0cdc55f5 | 428 | global.params.useArrayBounds = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
429 | break; |
430 | ||
431 | case OPT_fbounds_check_: | |
0cdc55f5 IB |
432 | global.params.useArrayBounds = (value == 2) ? CHECKENABLEon |
433 | : (value == 1) ? CHECKENABLEsafeonly : CHECKENABLEoff; | |
b4c522fa IB |
434 | break; |
435 | ||
436 | case OPT_fdebug: | |
437 | global.params.debuglevel = value ? 1 : 0; | |
438 | break; | |
439 | ||
440 | case OPT_fdebug_: | |
441 | if (ISDIGIT (arg[0])) | |
442 | { | |
443 | int level = integral_argument (arg); | |
444 | if (level != -1) | |
445 | { | |
5bc13e52 | 446 | global.params.debuglevel = level; |
b4c522fa IB |
447 | break; |
448 | } | |
449 | } | |
450 | ||
451 | if (Identifier::isValidIdentifier (CONST_CAST (char *, arg))) | |
452 | { | |
5bc13e52 IB |
453 | if (!global.params.debugids) |
454 | global.params.debugids = new Strings (); | |
455 | global.params.debugids->push (arg); | |
b4c522fa IB |
456 | break; |
457 | } | |
458 | ||
a9c697b8 | 459 | error ("bad argument for %<-fdebug%>: %qs", arg); |
b4c522fa IB |
460 | break; |
461 | ||
462 | case OPT_fdoc: | |
463 | global.params.doDocComments = value; | |
464 | break; | |
465 | ||
466 | case OPT_fdoc_dir_: | |
467 | global.params.doDocComments = true; | |
468 | global.params.docdir = arg; | |
469 | break; | |
470 | ||
471 | case OPT_fdoc_file_: | |
472 | global.params.doDocComments = true; | |
473 | global.params.docname = arg; | |
474 | break; | |
475 | ||
476 | case OPT_fdoc_inc_: | |
477 | global.params.ddocfiles->push (arg); | |
478 | break; | |
479 | ||
c0aebc60 IB |
480 | case OPT_fdruntime: |
481 | global.params.betterC = !value; | |
482 | break; | |
483 | ||
b4c522fa IB |
484 | case OPT_fdump_d_original: |
485 | global.params.vcg_ast = value; | |
486 | break; | |
487 | ||
c0aebc60 IB |
488 | case OPT_fexceptions: |
489 | global.params.useExceptions = value; | |
490 | break; | |
491 | ||
b4c522fa IB |
492 | case OPT_fignore_unknown_pragmas: |
493 | global.params.ignoreUnsupportedPragmas = value; | |
494 | break; | |
495 | ||
496 | case OPT_finvariants: | |
0cdc55f5 | 497 | global.params.useInvariants = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
498 | break; |
499 | ||
500 | case OPT_fmain: | |
501 | global.params.addMain = value; | |
502 | break; | |
503 | ||
504 | case OPT_fmodule_file_: | |
505 | global.params.modFileAliasStrings->push (arg); | |
506 | if (!strchr (arg, '=')) | |
a9c697b8 | 507 | error ("bad argument for %<-fmodule-file%>: %qs", arg); |
b4c522fa IB |
508 | break; |
509 | ||
510 | case OPT_fmoduleinfo: | |
c0aebc60 | 511 | global.params.useModuleInfo = value; |
b4c522fa IB |
512 | break; |
513 | ||
514 | case OPT_fonly_: | |
515 | d_option.fonly = arg; | |
516 | break; | |
517 | ||
518 | case OPT_fpostconditions: | |
0cdc55f5 | 519 | global.params.useOut = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
520 | break; |
521 | ||
522 | case OPT_fpreconditions: | |
0cdc55f5 | 523 | global.params.useIn = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
524 | break; |
525 | ||
526 | case OPT_frelease: | |
527 | global.params.release = value; | |
528 | break; | |
529 | ||
c0aebc60 IB |
530 | case OPT_frtti: |
531 | global.params.useTypeInfo = value; | |
532 | break; | |
533 | ||
b4c522fa | 534 | case OPT_fswitch_errors: |
0cdc55f5 | 535 | global.params.useSwitchError = value ? CHECKENABLEon : CHECKENABLEoff; |
b4c522fa IB |
536 | break; |
537 | ||
538 | case OPT_ftransition_all: | |
539 | global.params.vtls = value; | |
540 | global.params.vfield = value; | |
541 | global.params.vcomplex = value; | |
542 | break; | |
543 | ||
544 | case OPT_ftransition_checkimports: | |
545 | global.params.check10378 = value; | |
546 | break; | |
547 | ||
548 | case OPT_ftransition_complex: | |
549 | global.params.vcomplex = value; | |
550 | break; | |
551 | ||
552 | case OPT_ftransition_dip1000: | |
553 | global.params.vsafe = value; | |
554 | global.params.useDIP25 = value; | |
555 | break; | |
556 | ||
557 | case OPT_ftransition_dip25: | |
558 | global.params.useDIP25 = value; | |
559 | break; | |
560 | ||
561 | case OPT_ftransition_field: | |
562 | global.params.vfield = value; | |
563 | break; | |
564 | ||
565 | case OPT_ftransition_import: | |
566 | global.params.bug10378 = value; | |
567 | break; | |
568 | ||
569 | case OPT_ftransition_nogc: | |
570 | global.params.vgc = value; | |
571 | break; | |
572 | ||
573 | case OPT_ftransition_tls: | |
574 | global.params.vtls = value; | |
575 | break; | |
576 | ||
577 | case OPT_funittest: | |
578 | global.params.useUnitTests = value; | |
579 | break; | |
580 | ||
581 | case OPT_fversion_: | |
582 | if (ISDIGIT (arg[0])) | |
583 | { | |
584 | int level = integral_argument (arg); | |
585 | if (level != -1) | |
586 | { | |
5bc13e52 | 587 | global.params.versionlevel = level; |
b4c522fa IB |
588 | break; |
589 | } | |
590 | } | |
591 | ||
592 | if (Identifier::isValidIdentifier (CONST_CAST (char *, arg))) | |
593 | { | |
5bc13e52 IB |
594 | if (!global.params.versionids) |
595 | global.params.versionids = new Strings (); | |
596 | global.params.versionids->push (arg); | |
b4c522fa IB |
597 | break; |
598 | } | |
599 | ||
a9c697b8 | 600 | error ("bad argument for %<-fversion%>: %qs", arg); |
b4c522fa IB |
601 | break; |
602 | ||
603 | case OPT_H: | |
604 | global.params.doHdrGeneration = true; | |
605 | break; | |
606 | ||
607 | case OPT_Hd: | |
608 | global.params.doHdrGeneration = true; | |
609 | global.params.hdrdir = arg; | |
610 | break; | |
611 | ||
612 | case OPT_Hf: | |
613 | global.params.doHdrGeneration = true; | |
614 | global.params.hdrname = arg; | |
615 | break; | |
616 | ||
617 | case OPT_imultilib: | |
618 | d_option.multilib = arg; | |
619 | break; | |
620 | ||
621 | case OPT_iprefix: | |
622 | d_option.prefix = arg; | |
623 | break; | |
624 | ||
625 | case OPT_I: | |
626 | global.params.imppath->push (arg); | |
627 | break; | |
628 | ||
629 | case OPT_J: | |
630 | global.params.fileImppath->push (arg); | |
631 | break; | |
632 | ||
633 | case OPT_MM: | |
634 | d_option.deps_skip_system = true; | |
635 | /* Fall through. */ | |
636 | ||
637 | case OPT_M: | |
638 | d_option.deps = true; | |
639 | break; | |
640 | ||
641 | case OPT_MMD: | |
642 | d_option.deps_skip_system = true; | |
643 | /* Fall through. */ | |
644 | ||
645 | case OPT_MD: | |
646 | d_option.deps = true; | |
647 | d_option.deps_filename = arg; | |
648 | break; | |
649 | ||
650 | case OPT_MF: | |
651 | /* If specified multiple times, last one wins. */ | |
652 | d_option.deps_filename_user = arg; | |
653 | break; | |
654 | ||
655 | case OPT_MP: | |
656 | d_option.deps_phony = true; | |
657 | break; | |
658 | ||
659 | case OPT_MQ: | |
660 | deps_add_target (arg, true); | |
661 | break; | |
662 | ||
663 | case OPT_MT: | |
664 | deps_add_target (arg, false); | |
665 | break; | |
666 | ||
667 | case OPT_nostdinc: | |
668 | d_option.stdinc = false; | |
669 | break; | |
670 | ||
671 | case OPT_v: | |
672 | global.params.verbose = value; | |
673 | break; | |
674 | ||
675 | case OPT_Wall: | |
676 | if (value) | |
677 | global.params.warnings = DIAGNOSTICinform; | |
678 | break; | |
679 | ||
680 | case OPT_Wdeprecated: | |
681 | global.params.useDeprecated = value ? DIAGNOSTICinform : DIAGNOSTICoff; | |
682 | break; | |
683 | ||
684 | case OPT_Werror: | |
685 | if (value) | |
686 | global.params.warnings = DIAGNOSTICerror; | |
687 | break; | |
688 | ||
689 | case OPT_Wspeculative: | |
690 | if (value) | |
691 | global.params.showGaggedErrors = 1; | |
692 | break; | |
693 | ||
694 | case OPT_Xf: | |
695 | global.params.jsonfilename = arg; | |
696 | /* Fall through. */ | |
697 | ||
698 | case OPT_X: | |
699 | global.params.doJsonGeneration = true; | |
700 | break; | |
701 | ||
702 | default: | |
703 | break; | |
704 | } | |
705 | ||
706 | D_handle_option_auto (&global_options, &global_options_set, | |
707 | scode, arg, value, | |
708 | d_option_lang_mask (), kind, | |
709 | loc, handlers, global_dc); | |
710 | ||
711 | return result; | |
712 | } | |
713 | ||
714 | /* Implements the lang_hooks.post_options routine for language D. | |
715 | Deal with any options that imply the turning on/off of features. | |
716 | FN is the main input filename passed on the command line. */ | |
717 | ||
718 | static bool | |
719 | d_post_options (const char ** fn) | |
720 | { | |
721 | /* Verify the input file name. */ | |
722 | const char *filename = *fn; | |
723 | if (!filename || strcmp (filename, "-") == 0) | |
724 | filename = ""; | |
725 | ||
726 | /* The front end considers the first input file to be the main one. */ | |
727 | *fn = filename; | |
728 | ||
729 | /* Release mode doesn't turn off bounds checking for safe functions. */ | |
0cdc55f5 | 730 | if (global.params.useArrayBounds == CHECKENABLEdefault) |
b4c522fa IB |
731 | { |
732 | global.params.useArrayBounds = global.params.release | |
0cdc55f5 | 733 | ? CHECKENABLEsafeonly : CHECKENABLEon; |
b4c522fa IB |
734 | } |
735 | ||
0cdc55f5 IB |
736 | /* Assert code is generated if unittests are being compiled also, even if |
737 | release mode is turned on. */ | |
738 | if (global.params.useAssert == CHECKENABLEdefault) | |
b4c522fa | 739 | { |
0cdc55f5 IB |
740 | if (global.params.useUnitTests || !global.params.release) |
741 | global.params.useAssert = CHECKENABLEon; | |
742 | else | |
743 | global.params.useAssert = CHECKENABLEoff; | |
744 | } | |
b4c522fa | 745 | |
0cdc55f5 IB |
746 | /* Checks for switches without a default are turned off in release mode. */ |
747 | if (global.params.useSwitchError == CHECKENABLEdefault) | |
748 | { | |
749 | global.params.useSwitchError = global.params.release | |
750 | ? CHECKENABLEoff : CHECKENABLEon; | |
751 | } | |
b4c522fa | 752 | |
0cdc55f5 IB |
753 | /* Contracts are turned off in release mode. */ |
754 | if (global.params.useInvariants == CHECKENABLEdefault) | |
755 | { | |
756 | global.params.useInvariants = global.params.release | |
757 | ? CHECKENABLEoff : CHECKENABLEon; | |
758 | } | |
b4c522fa | 759 | |
0cdc55f5 IB |
760 | if (global.params.useIn == CHECKENABLEdefault) |
761 | { | |
762 | global.params.useIn = global.params.release | |
763 | ? CHECKENABLEoff : CHECKENABLEon; | |
764 | } | |
b4c522fa | 765 | |
0cdc55f5 IB |
766 | if (global.params.useOut == CHECKENABLEdefault) |
767 | { | |
768 | global.params.useOut = global.params.release | |
769 | ? CHECKENABLEoff : CHECKENABLEon; | |
b4c522fa IB |
770 | } |
771 | ||
c0aebc60 IB |
772 | if (global.params.betterC) |
773 | { | |
774 | if (!global_options_set.x_flag_moduleinfo) | |
775 | global.params.useModuleInfo = false; | |
776 | ||
777 | if (!global_options_set.x_flag_rtti) | |
778 | global.params.useTypeInfo = false; | |
779 | ||
780 | if (!global_options_set.x_flag_exceptions) | |
781 | global.params.useExceptions = false; | |
782 | ||
783 | global.params.checkAction = CHECKACTION_halt; | |
784 | } | |
785 | ||
0cdc55f5 IB |
786 | /* Keep in sync with existing -fbounds-check flag. */ |
787 | flag_bounds_check = (global.params.useArrayBounds == CHECKENABLEon); | |
788 | ||
e42589bd IB |
789 | /* Turn off partitioning unless it was explicitly requested, as it doesn't |
790 | work with D exception chaining, where EH handler uses LSDA to determine | |
791 | whether two thrown exception are in the same context. */ | |
792 | if (!global_options_set.x_flag_reorder_blocks_and_partition) | |
793 | global_options.x_flag_reorder_blocks_and_partition = 0; | |
794 | ||
b4c522fa IB |
795 | /* Error about use of deprecated features. */ |
796 | if (global.params.useDeprecated == DIAGNOSTICinform | |
797 | && global.params.warnings == DIAGNOSTICerror) | |
798 | global.params.useDeprecated = DIAGNOSTICerror; | |
799 | ||
800 | /* Make -fmax-errors visible to frontend's diagnostic machinery. */ | |
801 | if (global_options_set.x_flag_max_errors) | |
802 | global.errorLimit = flag_max_errors; | |
803 | ||
df375b03 JJ |
804 | if (flag_excess_precision == EXCESS_PRECISION_DEFAULT) |
805 | flag_excess_precision = EXCESS_PRECISION_STANDARD; | |
b4c522fa | 806 | |
b4c522fa IB |
807 | global.params.symdebug = write_symbols != NO_DEBUG; |
808 | global.params.useInline = flag_inline_functions; | |
809 | global.params.showColumns = flag_show_column; | |
810 | ||
811 | if (global.params.useInline) | |
812 | global.params.hdrStripPlainFunctions = false; | |
813 | ||
814 | global.params.obj = !flag_syntax_only; | |
815 | ||
816 | /* Has no effect yet. */ | |
817 | global.params.pic = flag_pic != 0; | |
818 | ||
5bc13e52 IB |
819 | /* Add in versions given on the command line. */ |
820 | if (global.params.versionids) | |
821 | { | |
822 | for (size_t i = 0; i < global.params.versionids->length; i++) | |
823 | { | |
824 | const char *s = (*global.params.versionids)[i]; | |
825 | VersionCondition::addGlobalIdent (s); | |
826 | } | |
827 | } | |
828 | ||
829 | if (global.params.debugids) | |
830 | { | |
831 | for (size_t i = 0; i < global.params.debugids->length; i++) | |
832 | { | |
833 | const char *s = (*global.params.debugids)[i]; | |
834 | DebugCondition::addGlobalIdent (s); | |
835 | } | |
836 | } | |
837 | ||
b4c522fa IB |
838 | if (warn_return_type == -1) |
839 | warn_return_type = 0; | |
840 | ||
841 | return false; | |
842 | } | |
843 | ||
844 | /* Return TRUE if an operand OP of a given TYPE being copied has no data. | |
845 | The middle-end does a similar check with zero sized types. */ | |
846 | ||
847 | static bool | |
848 | empty_modify_p (tree type, tree op) | |
849 | { | |
850 | tree_code code = TREE_CODE (op); | |
851 | switch (code) | |
852 | { | |
853 | case COMPOUND_EXPR: | |
854 | return empty_modify_p (type, TREE_OPERAND (op, 1)); | |
855 | ||
856 | case CONSTRUCTOR: | |
857 | /* Non-empty construcors are valid. */ | |
858 | if (CONSTRUCTOR_NELTS (op) != 0 || TREE_CLOBBER_P (op)) | |
859 | return false; | |
860 | break; | |
861 | ||
862 | case CALL_EXPR: | |
863 | /* Leave nrvo alone because it isn't a copy. */ | |
864 | if (CALL_EXPR_RETURN_SLOT_OPT (op)) | |
865 | return false; | |
866 | break; | |
867 | ||
868 | default: | |
869 | /* If the operand doesn't have a simple form. */ | |
870 | if (!is_gimple_lvalue (op) && !INDIRECT_REF_P (op)) | |
871 | return false; | |
872 | break; | |
873 | } | |
874 | ||
875 | return empty_aggregate_p (type); | |
876 | } | |
877 | ||
878 | /* Implements the lang_hooks.gimplify_expr routine for language D. | |
879 | Do gimplification of D specific expression trees in EXPR_P. */ | |
880 | ||
881 | int | |
882 | d_gimplify_expr (tree *expr_p, gimple_seq *pre_p, | |
883 | gimple_seq *post_p ATTRIBUTE_UNUSED) | |
884 | { | |
885 | tree_code code = TREE_CODE (*expr_p); | |
886 | enum gimplify_status ret = GS_UNHANDLED; | |
887 | tree op0, op1; | |
888 | tree type; | |
889 | ||
890 | switch (code) | |
891 | { | |
892 | case INIT_EXPR: | |
893 | case MODIFY_EXPR: | |
894 | op0 = TREE_OPERAND (*expr_p, 0); | |
895 | op1 = TREE_OPERAND (*expr_p, 1); | |
896 | ||
897 | if (!error_operand_p (op0) && !error_operand_p (op1) | |
898 | && (AGGREGATE_TYPE_P (TREE_TYPE (op0)) | |
899 | || AGGREGATE_TYPE_P (TREE_TYPE (op1))) | |
900 | && !useless_type_conversion_p (TREE_TYPE (op1), TREE_TYPE (op0))) | |
901 | { | |
902 | /* If the back end isn't clever enough to know that the lhs and rhs | |
903 | types are the same, add an explicit conversion. */ | |
904 | TREE_OPERAND (*expr_p, 1) = build1 (VIEW_CONVERT_EXPR, | |
905 | TREE_TYPE (op0), op1); | |
906 | ret = GS_OK; | |
907 | } | |
908 | else if (empty_modify_p (TREE_TYPE (op0), op1)) | |
909 | { | |
910 | /* Remove any copies of empty aggregates. */ | |
911 | gimplify_expr (&TREE_OPERAND (*expr_p, 0), pre_p, post_p, | |
912 | is_gimple_lvalue, fb_lvalue); | |
913 | ||
914 | if (TREE_SIDE_EFFECTS (op1)) | |
915 | gimplify_and_add (op1, pre_p); | |
916 | ||
917 | *expr_p = TREE_OPERAND (*expr_p, 0); | |
918 | ret = GS_OK; | |
919 | } | |
920 | break; | |
921 | ||
922 | case ADDR_EXPR: | |
923 | op0 = TREE_OPERAND (*expr_p, 0); | |
924 | /* Constructors are not lvalues, so make them one. */ | |
925 | if (TREE_CODE (op0) == CONSTRUCTOR) | |
926 | { | |
927 | TREE_OPERAND (*expr_p, 0) = force_target_expr (op0); | |
928 | ret = GS_OK; | |
929 | } | |
930 | break; | |
931 | ||
932 | case CALL_EXPR: | |
933 | if (CALL_EXPR_ARGS_ORDERED (*expr_p)) | |
934 | { | |
935 | /* Strictly evaluate all arguments from left to right. */ | |
936 | int nargs = call_expr_nargs (*expr_p); | |
937 | location_t loc = EXPR_LOC_OR_LOC (*expr_p, input_location); | |
938 | ||
939 | /* No need to enforce evaluation order if only one argument. */ | |
940 | if (nargs < 2) | |
941 | break; | |
942 | ||
943 | /* Or if all arguments are already free of side-effects. */ | |
944 | bool has_side_effects = false; | |
945 | for (int i = 0; i < nargs; i++) | |
946 | { | |
947 | if (TREE_SIDE_EFFECTS (CALL_EXPR_ARG (*expr_p, i))) | |
948 | { | |
949 | has_side_effects = true; | |
950 | break; | |
951 | } | |
952 | } | |
953 | ||
954 | if (!has_side_effects) | |
955 | break; | |
956 | ||
957 | /* Leave the last argument for gimplify_call_expr. */ | |
958 | for (int i = 0; i < nargs - 1; i++) | |
959 | { | |
960 | tree new_arg = CALL_EXPR_ARG (*expr_p, i); | |
961 | ||
962 | /* If argument has a side-effect, gimplify_arg will handle it. */ | |
963 | if (gimplify_arg (&new_arg, pre_p, loc) == GS_ERROR) | |
964 | ret = GS_ERROR; | |
965 | ||
966 | /* Even if an argument itself doesn't have any side-effects, it | |
967 | might be altered by another argument in the list. */ | |
968 | if (new_arg == CALL_EXPR_ARG (*expr_p, i) | |
969 | && !really_constant_p (new_arg)) | |
970 | new_arg = get_formal_tmp_var (new_arg, pre_p); | |
971 | ||
972 | CALL_EXPR_ARG (*expr_p, i) = new_arg; | |
973 | } | |
974 | ||
975 | if (ret != GS_ERROR) | |
976 | ret = GS_OK; | |
977 | } | |
978 | break; | |
979 | ||
980 | case UNSIGNED_RSHIFT_EXPR: | |
981 | /* Convert op0 to an unsigned type. */ | |
982 | op0 = TREE_OPERAND (*expr_p, 0); | |
983 | op1 = TREE_OPERAND (*expr_p, 1); | |
984 | ||
985 | type = d_unsigned_type (TREE_TYPE (op0)); | |
986 | ||
987 | *expr_p = convert (TREE_TYPE (*expr_p), | |
988 | build2 (RSHIFT_EXPR, type, convert (type, op0), op1)); | |
989 | ret = GS_OK; | |
990 | break; | |
991 | ||
992 | case FLOAT_MOD_EXPR: | |
993 | gcc_unreachable (); | |
994 | ||
995 | default: | |
996 | break; | |
997 | } | |
998 | ||
999 | return ret; | |
1000 | } | |
1001 | ||
1002 | /* Add the module M to the list of modules that may declare GCC builtins. | |
1003 | These are scanned after first semantic and before codegen passes. | |
1004 | See d_maybe_set_builtin() for the implementation. */ | |
1005 | ||
1006 | void | |
1007 | d_add_builtin_module (Module *m) | |
1008 | { | |
1009 | builtin_modules.push (m); | |
1010 | } | |
1011 | ||
1012 | /* Record the entrypoint module ENTRY which will be compiled in the current | |
1013 | compilation. ROOT is the module scope where this was requested from. */ | |
1014 | ||
1015 | void | |
1016 | d_add_entrypoint_module (Module *entry, Module *root) | |
1017 | { | |
1018 | /* We are emitting this straight to object file. */ | |
1019 | entrypoint_module = entry; | |
1020 | entrypoint_root_module = root; | |
1021 | } | |
1022 | ||
1023 | /* Implements the lang_hooks.parse_file routine for language D. */ | |
1024 | ||
1025 | void | |
1026 | d_parse_file (void) | |
1027 | { | |
1028 | if (global.params.verbose) | |
1029 | { | |
1030 | message ("binary %s", global.params.argv0); | |
1031 | message ("version %s", global.version); | |
1032 | ||
1033 | if (global.params.versionids) | |
1034 | { | |
1035 | OutBuffer buf; | |
1036 | buf.writestring ("predefs "); | |
2cbc99d1 | 1037 | for (size_t i = 0; i < global.params.versionids->length; i++) |
b4c522fa IB |
1038 | { |
1039 | const char *s = (*global.params.versionids)[i]; | |
1040 | buf.writestring (" "); | |
1041 | buf.writestring (s); | |
1042 | } | |
1043 | ||
1044 | message ("%.*s", (int) buf.offset, (char *) buf.data); | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | /* Start the main input file, if the debug writer wants it. */ | |
1049 | if (debug_hooks->start_end_main_source_file) | |
1050 | debug_hooks->start_source_file (0, main_input_filename); | |
1051 | ||
1052 | /* Create Module's for all sources we will load. */ | |
1053 | Modules modules; | |
1054 | modules.reserve (num_in_fnames); | |
1055 | ||
1056 | /* In this mode, the first file name is supposed to be a duplicate | |
1057 | of one of the input files. */ | |
1058 | if (d_option.fonly && strcmp (d_option.fonly, main_input_filename) != 0) | |
a9c697b8 | 1059 | error ("%<-fonly=%> argument is different from first input file name"); |
b4c522fa IB |
1060 | |
1061 | for (size_t i = 0; i < num_in_fnames; i++) | |
1062 | { | |
1063 | if (strcmp (in_fnames[i], "-") == 0) | |
1064 | { | |
1065 | /* Handling stdin, generate a unique name for the module. */ | |
1066 | obstack buffer; | |
1067 | gcc_obstack_init (&buffer); | |
1068 | int c; | |
1069 | ||
1070 | Module *m = Module::create (in_fnames[i], | |
1071 | Identifier::generateId ("__stdin"), | |
1072 | global.params.doDocComments, | |
1073 | global.params.doHdrGeneration); | |
1074 | modules.push (m); | |
1075 | ||
1076 | /* Load the entire contents of stdin into memory. */ | |
1077 | while ((c = getc (stdin)) != EOF) | |
1078 | obstack_1grow (&buffer, c); | |
1079 | ||
1080 | if (!obstack_object_size (&buffer)) | |
1081 | obstack_1grow (&buffer, '\0'); | |
1082 | ||
1083 | /* Overwrite the source file for the module, the one created by | |
1084 | Module::create would have a forced a `.d' suffix. */ | |
1085 | m->srcfile = File::create ("<stdin>"); | |
1086 | m->srcfile->len = obstack_object_size (&buffer); | |
1087 | m->srcfile->buffer = (unsigned char *) obstack_finish (&buffer); | |
1088 | ||
1089 | /* Tell the front-end not to free the buffer after parsing. */ | |
1090 | m->srcfile->ref = 1; | |
1091 | } | |
1092 | else | |
1093 | { | |
1094 | /* Handling a D source file, strip off the path and extension. */ | |
1095 | const char *basename = FileName::name (in_fnames[i]); | |
1096 | const char *name = FileName::removeExt (basename); | |
1097 | ||
1098 | Module *m = Module::create (in_fnames[i], Identifier::idPool (name), | |
1099 | global.params.doDocComments, | |
1100 | global.params.doHdrGeneration); | |
1101 | modules.push (m); | |
1102 | FileName::free (name); | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | /* Read all D source files. */ | |
2cbc99d1 | 1107 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1108 | { |
1109 | Module *m = modules[i]; | |
1110 | m->read (Loc ()); | |
1111 | } | |
1112 | ||
1113 | /* Parse all D source files. */ | |
2cbc99d1 | 1114 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1115 | { |
1116 | Module *m = modules[i]; | |
1117 | ||
1118 | if (global.params.verbose) | |
1119 | message ("parse %s", m->toChars ()); | |
1120 | ||
1121 | if (!Module::rootModule) | |
1122 | Module::rootModule = m; | |
1123 | ||
1124 | m->importedFrom = m; | |
1125 | m->parse (); | |
1126 | Compiler::loadModule (m); | |
1127 | ||
1128 | if (m->isDocFile) | |
1129 | { | |
1130 | gendocfile (m); | |
1131 | /* Remove M from list of modules. */ | |
1132 | modules.remove (i); | |
1133 | i--; | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | /* Load the module containing D main. */ | |
1138 | if (global.params.addMain) | |
1139 | { | |
1140 | unsigned errors = global.startGagging (); | |
1141 | Module *m = Module::load (Loc (), NULL, Identifier::idPool ("__main")); | |
1142 | ||
1143 | if (! global.endGagging (errors)) | |
1144 | { | |
1145 | m->importedFrom = m; | |
1146 | modules.push (m); | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | if (global.errors) | |
1151 | goto had_errors; | |
1152 | ||
1153 | if (global.params.doHdrGeneration) | |
1154 | { | |
1155 | /* Generate 'header' import files. Since 'header' import files must be | |
1156 | independent of command line switches and what else is imported, they | |
1157 | are generated before any semantic analysis. */ | |
2cbc99d1 | 1158 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1159 | { |
1160 | Module *m = modules[i]; | |
1161 | if (d_option.fonly && m != Module::rootModule) | |
1162 | continue; | |
1163 | ||
1164 | if (global.params.verbose) | |
1165 | message ("import %s", m->toChars ()); | |
1166 | ||
1167 | genhdrfile (m); | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | if (global.errors) | |
1172 | goto had_errors; | |
1173 | ||
1174 | /* Load all unconditional imports for better symbol resolving. */ | |
2cbc99d1 | 1175 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1176 | { |
1177 | Module *m = modules[i]; | |
1178 | ||
1179 | if (global.params.verbose) | |
1180 | message ("importall %s", m->toChars ()); | |
1181 | ||
1182 | m->importAll (NULL); | |
1183 | } | |
1184 | ||
1185 | if (global.errors) | |
1186 | goto had_errors; | |
1187 | ||
1188 | /* Do semantic analysis. */ | |
1189 | doing_semantic_analysis_p = true; | |
1190 | ||
2cbc99d1 | 1191 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1192 | { |
1193 | Module *m = modules[i]; | |
1194 | ||
1195 | if (global.params.verbose) | |
1196 | message ("semantic %s", m->toChars ()); | |
1197 | ||
1198 | m->semantic (NULL); | |
1199 | } | |
1200 | ||
1201 | /* Do deferred semantic analysis. */ | |
1202 | Module::dprogress = 1; | |
1203 | Module::runDeferredSemantic (); | |
1204 | ||
2cbc99d1 | 1205 | if (Module::deferred.length) |
b4c522fa | 1206 | { |
2cbc99d1 | 1207 | for (size_t i = 0; i < Module::deferred.length; i++) |
b4c522fa IB |
1208 | { |
1209 | Dsymbol *sd = Module::deferred[i]; | |
1210 | error_at (make_location_t (sd->loc), | |
1211 | "unable to resolve forward reference in definition"); | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | /* Process all built-in modules or functions now for CTFE. */ | |
2cbc99d1 | 1216 | while (builtin_modules.length != 0) |
b4c522fa IB |
1217 | { |
1218 | Module *m = builtin_modules.pop (); | |
1219 | d_maybe_set_builtin (m); | |
1220 | } | |
1221 | ||
1222 | /* Do pass 2 semantic analysis. */ | |
2cbc99d1 | 1223 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1224 | { |
1225 | Module *m = modules[i]; | |
1226 | ||
1227 | if (global.params.verbose) | |
1228 | message ("semantic2 %s", m->toChars ()); | |
1229 | ||
1230 | m->semantic2 (NULL); | |
1231 | } | |
1232 | ||
1233 | Module::runDeferredSemantic2 (); | |
1234 | ||
1235 | if (global.errors) | |
1236 | goto had_errors; | |
1237 | ||
1238 | /* Do pass 3 semantic analysis. */ | |
2cbc99d1 | 1239 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1240 | { |
1241 | Module *m = modules[i]; | |
1242 | ||
1243 | if (global.params.verbose) | |
1244 | message ("semantic3 %s", m->toChars ()); | |
1245 | ||
1246 | m->semantic3 (NULL); | |
1247 | } | |
1248 | ||
1249 | Module::runDeferredSemantic3 (); | |
1250 | ||
1251 | /* Check again, incase semantic3 pass loaded any more modules. */ | |
2cbc99d1 | 1252 | while (builtin_modules.length != 0) |
b4c522fa IB |
1253 | { |
1254 | Module *m = builtin_modules.pop (); | |
1255 | d_maybe_set_builtin (m); | |
1256 | } | |
1257 | ||
1258 | /* Do not attempt to generate output files if errors or warnings occurred. */ | |
1259 | if (global.errors || global.warnings) | |
1260 | goto had_errors; | |
1261 | ||
1262 | /* Generate output files. */ | |
1263 | doing_semantic_analysis_p = false; | |
1264 | ||
1265 | if (Module::rootModule) | |
1266 | { | |
1267 | /* Declare the name of the root module as the first global name in order | |
1268 | to make the middle-end fully deterministic. */ | |
1269 | OutBuffer buf; | |
1270 | mangleToBuffer (Module::rootModule, &buf); | |
1271 | first_global_object_name = buf.extractString (); | |
1272 | } | |
1273 | ||
1274 | /* Make dependencies. */ | |
1275 | if (d_option.deps) | |
1276 | { | |
1277 | OutBuffer buf; | |
1278 | ||
2cbc99d1 | 1279 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1280 | deps_write (modules[i], &buf); |
1281 | ||
1282 | /* -MF <arg> overrides -M[M]D. */ | |
1283 | if (d_option.deps_filename_user) | |
1284 | d_option.deps_filename = d_option.deps_filename_user; | |
1285 | ||
1286 | if (d_option.deps_filename) | |
1287 | { | |
1288 | File *fdeps = File::create (d_option.deps_filename); | |
1289 | fdeps->setbuffer ((void *) buf.data, buf.offset); | |
1290 | fdeps->ref = 1; | |
1291 | writeFile (Loc (), fdeps); | |
1292 | } | |
1293 | else | |
1294 | message ("%.*s", (int) buf.offset, (char *) buf.data); | |
1295 | } | |
1296 | ||
1297 | /* Generate JSON files. */ | |
1298 | if (global.params.doJsonGeneration) | |
1299 | { | |
1300 | OutBuffer buf; | |
1301 | json_generate (&buf, &modules); | |
1302 | ||
1303 | const char *name = global.params.jsonfilename; | |
1304 | ||
1305 | if (name && (name[0] != '-' || name[1] != '\0')) | |
1306 | { | |
1307 | const char *nameext = FileName::defaultExt (name, global.json_ext); | |
1308 | File *fjson = File::create (nameext); | |
1309 | fjson->setbuffer ((void *) buf.data, buf.offset); | |
1310 | fjson->ref = 1; | |
1311 | writeFile (Loc (), fjson); | |
1312 | } | |
1313 | else | |
1314 | message ("%.*s", (int) buf.offset, (char *) buf.data); | |
1315 | } | |
1316 | ||
1317 | /* Generate Ddoc files. */ | |
1318 | if (global.params.doDocComments && !global.errors && !errorcount) | |
1319 | { | |
2cbc99d1 | 1320 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1321 | { |
1322 | Module *m = modules[i]; | |
1323 | gendocfile (m); | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | /* Handle -fdump-d-original. */ | |
1328 | if (global.params.vcg_ast) | |
1329 | { | |
2cbc99d1 | 1330 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1331 | { |
1332 | Module *m = modules[i]; | |
1333 | OutBuffer buf; | |
1334 | buf.doindent = 1; | |
1335 | ||
1336 | moduleToBuffer (&buf, m); | |
1337 | message ("%.*s", (int) buf.offset, (char *) buf.data); | |
1338 | } | |
1339 | } | |
1340 | ||
2cbc99d1 | 1341 | for (size_t i = 0; i < modules.length; i++) |
b4c522fa IB |
1342 | { |
1343 | Module *m = modules[i]; | |
1344 | if (d_option.fonly && m != Module::rootModule) | |
1345 | continue; | |
1346 | ||
1347 | if (global.params.verbose) | |
1348 | message ("code %s", m->toChars ()); | |
1349 | ||
1350 | if (!flag_syntax_only) | |
1351 | { | |
1352 | if ((entrypoint_module != NULL) && (m == entrypoint_root_module)) | |
1353 | build_decl_tree (entrypoint_module); | |
1354 | ||
1355 | build_decl_tree (m); | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | /* And end the main input file, if the debug writer wants it. */ | |
1360 | if (debug_hooks->start_end_main_source_file) | |
1361 | debug_hooks->end_source_file (0); | |
1362 | ||
1363 | had_errors: | |
1364 | /* Add the D frontend error count to the GCC error count to correctly | |
1365 | exit with an error status. */ | |
1366 | errorcount += (global.errors + global.warnings); | |
1367 | ||
1368 | /* Write out globals. */ | |
1369 | d_finish_compilation (vec_safe_address (global_declarations), | |
1370 | vec_safe_length (global_declarations)); | |
1371 | } | |
1372 | ||
1373 | /* Implements the lang_hooks.types.type_for_mode routine for language D. */ | |
1374 | ||
1375 | static tree | |
1376 | d_type_for_mode (machine_mode mode, int unsignedp) | |
1377 | { | |
1378 | if (mode == QImode) | |
1379 | return unsignedp ? d_ubyte_type : d_byte_type; | |
1380 | ||
1381 | if (mode == HImode) | |
1382 | return unsignedp ? d_ushort_type : d_short_type; | |
1383 | ||
1384 | if (mode == SImode) | |
1385 | return unsignedp ? d_uint_type : d_int_type; | |
1386 | ||
1387 | if (mode == DImode) | |
1388 | return unsignedp ? d_ulong_type : d_long_type; | |
1389 | ||
1390 | if (mode == TYPE_MODE (d_cent_type)) | |
1391 | return unsignedp ? d_ucent_type : d_cent_type; | |
1392 | ||
1393 | if (mode == TYPE_MODE (float_type_node)) | |
1394 | return float_type_node; | |
1395 | ||
1396 | if (mode == TYPE_MODE (double_type_node)) | |
1397 | return double_type_node; | |
1398 | ||
1399 | if (mode == TYPE_MODE (long_double_type_node)) | |
1400 | return long_double_type_node; | |
1401 | ||
1402 | if (mode == TYPE_MODE (build_pointer_type (char8_type_node))) | |
1403 | return build_pointer_type (char8_type_node); | |
1404 | ||
1405 | if (mode == TYPE_MODE (build_pointer_type (d_int_type))) | |
1406 | return build_pointer_type (d_int_type); | |
1407 | ||
edf09592 IB |
1408 | for (int i = 0; i < NUM_INT_N_ENTS; i ++) |
1409 | { | |
1410 | if (int_n_enabled_p[i] && mode == int_n_data[i].m) | |
1411 | { | |
1412 | if (unsignedp) | |
1413 | return int_n_trees[i].unsigned_type; | |
1414 | else | |
1415 | return int_n_trees[i].signed_type; | |
1416 | } | |
1417 | } | |
1418 | ||
b4c522fa IB |
1419 | if (COMPLEX_MODE_P (mode)) |
1420 | { | |
1421 | machine_mode inner_mode; | |
1422 | tree inner_type; | |
1423 | ||
1424 | if (mode == TYPE_MODE (complex_float_type_node)) | |
1425 | return complex_float_type_node; | |
1426 | if (mode == TYPE_MODE (complex_double_type_node)) | |
1427 | return complex_double_type_node; | |
1428 | if (mode == TYPE_MODE (complex_long_double_type_node)) | |
1429 | return complex_long_double_type_node; | |
1430 | ||
1431 | inner_mode = (machine_mode) GET_MODE_INNER (mode); | |
1432 | inner_type = d_type_for_mode (inner_mode, unsignedp); | |
1433 | if (inner_type != NULL_TREE) | |
1434 | return build_complex_type (inner_type); | |
1435 | } | |
1436 | else if (VECTOR_MODE_P (mode)) | |
1437 | { | |
1438 | machine_mode inner_mode = (machine_mode) GET_MODE_INNER (mode); | |
1439 | tree inner_type = d_type_for_mode (inner_mode, unsignedp); | |
1440 | if (inner_type != NULL_TREE) | |
1441 | return build_vector_type_for_mode (inner_type, mode); | |
1442 | } | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | /* Implements the lang_hooks.types.type_for_size routine for language D. */ | |
1448 | ||
1449 | static tree | |
1450 | d_type_for_size (unsigned bits, int unsignedp) | |
1451 | { | |
1452 | if (bits <= TYPE_PRECISION (d_byte_type)) | |
1453 | return unsignedp ? d_ubyte_type : d_byte_type; | |
1454 | ||
1455 | if (bits <= TYPE_PRECISION (d_short_type)) | |
1456 | return unsignedp ? d_ushort_type : d_short_type; | |
1457 | ||
1458 | if (bits <= TYPE_PRECISION (d_int_type)) | |
1459 | return unsignedp ? d_uint_type : d_int_type; | |
1460 | ||
1461 | if (bits <= TYPE_PRECISION (d_long_type)) | |
1462 | return unsignedp ? d_ulong_type : d_long_type; | |
1463 | ||
1464 | if (bits <= TYPE_PRECISION (d_cent_type)) | |
1465 | return unsignedp ? d_ucent_type : d_cent_type; | |
1466 | ||
edf09592 IB |
1467 | for (int i = 0; i < NUM_INT_N_ENTS; i ++) |
1468 | { | |
1469 | if (int_n_enabled_p[i] && bits == int_n_data[i].bitsize) | |
1470 | { | |
1471 | if (unsignedp) | |
1472 | return int_n_trees[i].unsigned_type; | |
1473 | else | |
1474 | return int_n_trees[i].signed_type; | |
1475 | } | |
1476 | } | |
1477 | ||
b4c522fa IB |
1478 | return 0; |
1479 | } | |
1480 | ||
1481 | /* Return the signed or unsigned version of TYPE, an integral type, the | |
1482 | signedness being specified by UNSIGNEDP. */ | |
1483 | ||
1484 | static tree | |
1485 | d_signed_or_unsigned_type (int unsignedp, tree type) | |
1486 | { | |
1487 | if (TYPE_UNSIGNED (type) == (unsigned) unsignedp) | |
1488 | return type; | |
1489 | ||
1490 | if (TYPE_PRECISION (type) == TYPE_PRECISION (d_cent_type)) | |
1491 | return unsignedp ? d_ucent_type : d_cent_type; | |
1492 | ||
1493 | if (TYPE_PRECISION (type) == TYPE_PRECISION (d_long_type)) | |
1494 | return unsignedp ? d_ulong_type : d_long_type; | |
1495 | ||
1496 | if (TYPE_PRECISION (type) == TYPE_PRECISION (d_int_type)) | |
1497 | return unsignedp ? d_uint_type : d_int_type; | |
1498 | ||
1499 | if (TYPE_PRECISION (type) == TYPE_PRECISION (d_short_type)) | |
1500 | return unsignedp ? d_ushort_type : d_short_type; | |
1501 | ||
1502 | if (TYPE_PRECISION (type) == TYPE_PRECISION (d_byte_type)) | |
1503 | return unsignedp ? d_ubyte_type : d_byte_type; | |
1504 | ||
1505 | return signed_or_unsigned_type_for (unsignedp, type); | |
1506 | } | |
1507 | ||
1508 | /* Return the unsigned version of TYPE, an integral type. */ | |
1509 | ||
1510 | tree | |
1511 | d_unsigned_type (tree type) | |
1512 | { | |
1513 | return d_signed_or_unsigned_type (1, type); | |
1514 | } | |
1515 | ||
1516 | /* Return the signed version of TYPE, an integral type. */ | |
1517 | ||
1518 | tree | |
1519 | d_signed_type (tree type) | |
1520 | { | |
1521 | return d_signed_or_unsigned_type (0, type); | |
1522 | } | |
1523 | ||
1524 | /* Implements the lang_hooks.types.type_promotes_to routine for language D. | |
1525 | All promotions for variable arguments are handled by the D frontend. */ | |
1526 | ||
1527 | static tree | |
1528 | d_type_promotes_to (tree type) | |
1529 | { | |
1530 | return type; | |
1531 | } | |
1532 | ||
1533 | /* Implements the lang_hooks.decls.global_bindings_p routine for language D. | |
1534 | Return true if we are in the global binding level. */ | |
1535 | ||
1536 | static bool | |
1537 | d_global_bindings_p (void) | |
1538 | { | |
1539 | return (current_binding_level == global_binding_level); | |
1540 | } | |
1541 | ||
1542 | /* Return global_context, but create it first if need be. */ | |
1543 | ||
1544 | static tree | |
1545 | get_global_context (void) | |
1546 | { | |
1547 | if (!global_context) | |
1548 | { | |
1549 | global_context = build_translation_unit_decl (NULL_TREE); | |
1550 | debug_hooks->register_main_translation_unit (global_context); | |
1551 | } | |
1552 | ||
1553 | return global_context; | |
1554 | } | |
1555 | ||
1556 | /* Implements the lang_hooks.decls.pushdecl routine for language D. | |
1557 | Record DECL as belonging to the current lexical scope. */ | |
1558 | ||
1559 | tree | |
1560 | d_pushdecl (tree decl) | |
1561 | { | |
1562 | /* Set the context of the decl. If current_function_decl did not help in | |
1563 | determining the context, use global scope. */ | |
1564 | if (!DECL_CONTEXT (decl)) | |
1565 | { | |
1566 | if (current_function_decl) | |
1567 | DECL_CONTEXT (decl) = current_function_decl; | |
1568 | else | |
1569 | DECL_CONTEXT (decl) = get_global_context (); | |
1570 | } | |
1571 | ||
1572 | /* Put decls on list in reverse order. */ | |
1573 | if (TREE_STATIC (decl) || d_global_bindings_p ()) | |
1574 | vec_safe_push (global_declarations, decl); | |
1575 | else | |
1576 | { | |
1577 | TREE_CHAIN (decl) = current_binding_level->names; | |
1578 | current_binding_level->names = decl; | |
1579 | } | |
1580 | ||
1581 | return decl; | |
1582 | } | |
1583 | ||
1584 | /* Implements the lang_hooks.decls.getdecls routine for language D. | |
1585 | Return the list of declarations of the current level. */ | |
1586 | ||
1587 | static tree | |
1588 | d_getdecls (void) | |
1589 | { | |
1590 | if (current_binding_level) | |
1591 | return current_binding_level->names; | |
1592 | ||
1593 | return NULL_TREE; | |
1594 | } | |
1595 | ||
1596 | ||
1597 | /* Implements the lang_hooks.get_alias_set routine for language D. | |
1598 | Get the alias set corresponding to type or expression T. | |
1599 | Return -1 if we don't do anything special. */ | |
1600 | ||
1601 | static alias_set_type | |
1602 | d_get_alias_set (tree) | |
1603 | { | |
1604 | /* For now in D, assume everything aliases everything else, until we define | |
1605 | some solid rules backed by a specification. There are also some parts | |
1606 | of code generation routines that don't adhere to C alias rules, such as | |
1607 | build_vconvert. In any case, a lot of user code already assumes there | |
1608 | is no strict aliasing and will break if we were to change that. */ | |
1609 | return 0; | |
1610 | } | |
1611 | ||
1612 | /* Implements the lang_hooks.types_compatible_p routine for language D. | |
1613 | Compares two types for equivalence in the D programming language. | |
1614 | This routine should only return 1 if it is sure, even though the frontend | |
1615 | should have already ensured that all types are compatible before handing | |
1616 | over the parsed ASTs to the code generator. */ | |
1617 | ||
1618 | static int | |
1619 | d_types_compatible_p (tree x, tree y) | |
1620 | { | |
1621 | Type *tx = TYPE_LANG_FRONTEND (x); | |
1622 | Type *ty = TYPE_LANG_FRONTEND (y); | |
1623 | ||
1624 | /* Try validating the types in the frontend. */ | |
1625 | if (tx != NULL && ty != NULL) | |
1626 | { | |
1627 | /* Types are equivalent. */ | |
1628 | if (same_type_p (tx, ty)) | |
1629 | return true; | |
1630 | ||
1631 | /* Type system allows implicit conversion between. */ | |
1632 | if (tx->implicitConvTo (ty) || ty->implicitConvTo (tx)) | |
1633 | return true; | |
1634 | } | |
1635 | ||
1636 | /* Fallback on using type flags for comparison. E.g: all dynamic arrays | |
1637 | are distinct types in D, but are VIEW_CONVERT compatible. */ | |
1638 | if (TREE_CODE (x) == RECORD_TYPE && TREE_CODE (y) == RECORD_TYPE) | |
1639 | { | |
1640 | if (TYPE_DYNAMIC_ARRAY (x) && TYPE_DYNAMIC_ARRAY (y)) | |
1641 | return true; | |
1642 | ||
1643 | if (TYPE_DELEGATE (x) && TYPE_DELEGATE (y)) | |
1644 | return true; | |
1645 | ||
1646 | if (TYPE_ASSOCIATIVE_ARRAY (x) && TYPE_ASSOCIATIVE_ARRAY (y)) | |
1647 | return true; | |
1648 | } | |
1649 | ||
1650 | return false; | |
1651 | } | |
1652 | ||
1653 | /* Implements the lang_hooks.finish_incomplete_decl routine for language D. */ | |
1654 | ||
1655 | static void | |
1656 | d_finish_incomplete_decl (tree decl) | |
1657 | { | |
1658 | if (VAR_P (decl)) | |
1659 | { | |
1660 | /* D allows zero-length declarations. Such a declaration ends up with | |
1661 | DECL_SIZE (t) == NULL_TREE which is what the back-end function | |
1662 | assembler_variable checks. This could change in later versions, or | |
1663 | maybe all of these variables should be aliased to one symbol. */ | |
1664 | if (DECL_SIZE (decl) == 0) | |
1665 | { | |
1666 | DECL_SIZE (decl) = bitsize_zero_node; | |
1667 | DECL_SIZE_UNIT (decl) = size_zero_node; | |
1668 | } | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | /* Implements the lang_hooks.types.classify_record routine for language D. | |
1673 | Return the true debug type for TYPE. */ | |
1674 | ||
1675 | static classify_record | |
1676 | d_classify_record (tree type) | |
1677 | { | |
1678 | Type *t = TYPE_LANG_FRONTEND (type); | |
1679 | ||
1680 | if (t && t->ty == Tclass) | |
1681 | { | |
1682 | TypeClass *tc = (TypeClass *) t; | |
1683 | ||
1684 | /* extern(C++) interfaces get emitted as classes. */ | |
1685 | if (tc->sym->isInterfaceDeclaration () | |
1686 | && !tc->sym->isCPPinterface ()) | |
1687 | return RECORD_IS_INTERFACE; | |
1688 | ||
1689 | return RECORD_IS_CLASS; | |
1690 | } | |
1691 | ||
1692 | return RECORD_IS_STRUCT; | |
1693 | } | |
1694 | ||
1695 | /* Implements the lang_hooks.tree_size routine for language D. | |
1696 | Determine the size of our tcc_constant or tcc_exceptional nodes. */ | |
1697 | ||
1698 | static size_t | |
1699 | d_tree_size (tree_code code) | |
1700 | { | |
1701 | switch (code) | |
1702 | { | |
1703 | case FUNCFRAME_INFO: | |
1704 | return sizeof (tree_frame_info); | |
1705 | ||
1706 | default: | |
1707 | gcc_unreachable (); | |
1708 | } | |
1709 | } | |
1710 | ||
1711 | /* Implements the lang_hooks.print_xnode routine for language D. */ | |
1712 | ||
1713 | static void | |
1714 | d_print_xnode (FILE *file, tree node, int indent) | |
1715 | { | |
1716 | switch (TREE_CODE (node)) | |
1717 | { | |
1718 | case FUNCFRAME_INFO: | |
1719 | print_node (file, "frame_type", FRAMEINFO_TYPE (node), indent + 4); | |
1720 | break; | |
1721 | ||
1722 | default: | |
1723 | break; | |
1724 | } | |
1725 | } | |
1726 | ||
1727 | /* Return which tree structure is used by NODE, or TS_D_GENERIC if NODE | |
1728 | is one of the language-independent trees. */ | |
1729 | ||
1730 | d_tree_node_structure_enum | |
1731 | d_tree_node_structure (lang_tree_node *t) | |
1732 | { | |
1733 | switch (TREE_CODE (&t->generic)) | |
1734 | { | |
1735 | case IDENTIFIER_NODE: | |
1736 | return TS_D_IDENTIFIER; | |
1737 | ||
1738 | case FUNCFRAME_INFO: | |
1739 | return TS_D_FRAMEINFO; | |
1740 | ||
1741 | default: | |
1742 | return TS_D_GENERIC; | |
1743 | } | |
1744 | } | |
1745 | ||
1746 | /* Allocate and return a lang specific structure for the frontend type. */ | |
1747 | ||
1748 | struct lang_type * | |
1749 | build_lang_type (Type *t) | |
1750 | { | |
1751 | struct lang_type *lt = ggc_cleared_alloc<struct lang_type> (); | |
1752 | lt->type = t; | |
1753 | return lt; | |
1754 | } | |
1755 | ||
1756 | /* Allocate and return a lang specific structure for the frontend decl. */ | |
1757 | ||
1758 | struct lang_decl * | |
1759 | build_lang_decl (Declaration *d) | |
1760 | { | |
1761 | /* For compiler generated run-time typeinfo, a lang_decl is allocated even if | |
1762 | there's no associated frontend symbol to refer to (yet). If the symbol | |
1763 | appears later in the compilation, then the slot will be re-used. */ | |
1764 | if (d == NULL) | |
1765 | return ggc_cleared_alloc<struct lang_decl> (); | |
1766 | ||
1767 | struct lang_decl *ld = (d->csym) ? DECL_LANG_SPECIFIC (d->csym) : NULL; | |
1768 | if (ld == NULL) | |
1769 | ld = ggc_cleared_alloc<struct lang_decl> (); | |
1770 | ||
1771 | if (ld->decl == NULL) | |
1772 | ld->decl = d; | |
1773 | ||
1774 | return ld; | |
1775 | } | |
1776 | ||
1777 | /* Implements the lang_hooks.dup_lang_specific_decl routine for language D. | |
1778 | Replace the DECL_LANG_SPECIFIC field of NODE with a copy. */ | |
1779 | ||
1780 | static void | |
1781 | d_dup_lang_specific_decl (tree node) | |
1782 | { | |
1783 | if (! DECL_LANG_SPECIFIC (node)) | |
1784 | return; | |
1785 | ||
1786 | struct lang_decl *ld = ggc_alloc<struct lang_decl> (); | |
1787 | memcpy (ld, DECL_LANG_SPECIFIC (node), sizeof (struct lang_decl)); | |
1788 | DECL_LANG_SPECIFIC (node) = ld; | |
1789 | } | |
1790 | ||
1791 | /* This preserves trees we create from the garbage collector. */ | |
1792 | ||
1793 | static GTY(()) tree d_keep_list = NULL_TREE; | |
1794 | ||
1795 | void | |
1796 | d_keep (tree t) | |
1797 | { | |
1798 | d_keep_list = tree_cons (NULL_TREE, t, d_keep_list); | |
1799 | } | |
1800 | ||
1801 | /* Implements the lang_hooks.eh_personality routine for language D. | |
1802 | Return the GDC personality function decl. */ | |
1803 | ||
1804 | static GTY(()) tree d_eh_personality_decl; | |
1805 | ||
1806 | static tree | |
1807 | d_eh_personality (void) | |
1808 | { | |
1809 | if (!d_eh_personality_decl) | |
1810 | d_eh_personality_decl = build_personality_function ("gdc"); | |
1811 | ||
1812 | return d_eh_personality_decl; | |
1813 | } | |
1814 | ||
1815 | /* Implements the lang_hooks.eh_runtime_type routine for language D. */ | |
1816 | ||
1817 | static tree | |
1818 | d_build_eh_runtime_type (tree type) | |
1819 | { | |
1820 | Type *t = TYPE_LANG_FRONTEND (type); | |
1821 | ||
1822 | if (t != NULL) | |
1823 | t = t->toBasetype (); | |
1824 | ||
1825 | gcc_assert (t != NULL && t->ty == Tclass); | |
1826 | ClassDeclaration *cd = ((TypeClass *) t)->sym; | |
1827 | tree decl; | |
1828 | ||
1829 | if (cd->isCPPclass ()) | |
1830 | decl = get_cpp_typeinfo_decl (cd); | |
1831 | else | |
1832 | decl = get_classinfo_decl (cd); | |
1833 | ||
1834 | return convert (ptr_type_node, build_address (decl)); | |
1835 | } | |
1836 | ||
1837 | /* Definitions for our language-specific hooks. */ | |
1838 | ||
1839 | #undef LANG_HOOKS_NAME | |
1840 | #undef LANG_HOOKS_INIT | |
1841 | #undef LANG_HOOKS_INIT_TS | |
1842 | #undef LANG_HOOKS_INIT_OPTIONS | |
1843 | #undef LANG_HOOKS_INIT_OPTIONS_STRUCT | |
1844 | #undef LANG_HOOKS_OPTION_LANG_MASK | |
1845 | #undef LANG_HOOKS_HANDLE_OPTION | |
1846 | #undef LANG_HOOKS_POST_OPTIONS | |
1847 | #undef LANG_HOOKS_PARSE_FILE | |
1848 | #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE | |
1849 | #undef LANG_HOOKS_ATTRIBUTE_TABLE | |
1850 | #undef LANG_HOOKS_GET_ALIAS_SET | |
1851 | #undef LANG_HOOKS_TYPES_COMPATIBLE_P | |
1852 | #undef LANG_HOOKS_BUILTIN_FUNCTION | |
1853 | #undef LANG_HOOKS_REGISTER_BUILTIN_TYPE | |
1854 | #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL | |
1855 | #undef LANG_HOOKS_GIMPLIFY_EXPR | |
1856 | #undef LANG_HOOKS_CLASSIFY_RECORD | |
1857 | #undef LANG_HOOKS_TREE_SIZE | |
1858 | #undef LANG_HOOKS_PRINT_XNODE | |
1859 | #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL | |
1860 | #undef LANG_HOOKS_EH_PERSONALITY | |
1861 | #undef LANG_HOOKS_EH_RUNTIME_TYPE | |
1862 | #undef LANG_HOOKS_PUSHDECL | |
1863 | #undef LANG_HOOKS_GETDECLS | |
1864 | #undef LANG_HOOKS_GLOBAL_BINDINGS_P | |
1865 | #undef LANG_HOOKS_TYPE_FOR_MODE | |
1866 | #undef LANG_HOOKS_TYPE_FOR_SIZE | |
1867 | #undef LANG_HOOKS_TYPE_PROMOTES_TO | |
1868 | ||
1869 | #define LANG_HOOKS_NAME "GNU D" | |
1870 | #define LANG_HOOKS_INIT d_init | |
1871 | #define LANG_HOOKS_INIT_TS d_init_ts | |
1872 | #define LANG_HOOKS_INIT_OPTIONS d_init_options | |
1873 | #define LANG_HOOKS_INIT_OPTIONS_STRUCT d_init_options_struct | |
1874 | #define LANG_HOOKS_OPTION_LANG_MASK d_option_lang_mask | |
1875 | #define LANG_HOOKS_HANDLE_OPTION d_handle_option | |
1876 | #define LANG_HOOKS_POST_OPTIONS d_post_options | |
1877 | #define LANG_HOOKS_PARSE_FILE d_parse_file | |
1878 | #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE d_langhook_common_attribute_table | |
1879 | #define LANG_HOOKS_ATTRIBUTE_TABLE d_langhook_attribute_table | |
1880 | #define LANG_HOOKS_GET_ALIAS_SET d_get_alias_set | |
1881 | #define LANG_HOOKS_TYPES_COMPATIBLE_P d_types_compatible_p | |
1882 | #define LANG_HOOKS_BUILTIN_FUNCTION d_builtin_function | |
1883 | #define LANG_HOOKS_REGISTER_BUILTIN_TYPE d_register_builtin_type | |
1884 | #define LANG_HOOKS_FINISH_INCOMPLETE_DECL d_finish_incomplete_decl | |
1885 | #define LANG_HOOKS_GIMPLIFY_EXPR d_gimplify_expr | |
1886 | #define LANG_HOOKS_CLASSIFY_RECORD d_classify_record | |
1887 | #define LANG_HOOKS_TREE_SIZE d_tree_size | |
1888 | #define LANG_HOOKS_PRINT_XNODE d_print_xnode | |
1889 | #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL d_dup_lang_specific_decl | |
1890 | #define LANG_HOOKS_EH_PERSONALITY d_eh_personality | |
1891 | #define LANG_HOOKS_EH_RUNTIME_TYPE d_build_eh_runtime_type | |
1892 | #define LANG_HOOKS_PUSHDECL d_pushdecl | |
1893 | #define LANG_HOOKS_GETDECLS d_getdecls | |
1894 | #define LANG_HOOKS_GLOBAL_BINDINGS_P d_global_bindings_p | |
1895 | #define LANG_HOOKS_TYPE_FOR_MODE d_type_for_mode | |
1896 | #define LANG_HOOKS_TYPE_FOR_SIZE d_type_for_size | |
1897 | #define LANG_HOOKS_TYPE_PROMOTES_TO d_type_promotes_to | |
1898 | ||
1899 | struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; | |
1900 | ||
1901 | #include "gt-d-d-lang.h" | |
1902 | #include "gtype-d.h" |