1 /* d-lang.cc -- Language-dependent hooks for D.
2 Copyright (C) 2006-2023 Free Software Foundation, Inc.
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)
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.
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/>. */
20 #include "coretypes.h"
22 #include "dmd/aggregate.h"
24 #include "dmd/declaration.h"
26 #include "dmd/errors.h"
27 #include "dmd/expression.h"
28 #include "dmd/hdrgen.h"
30 #include "dmd/identifier.h"
32 #include "dmd/mangle.h"
33 #include "dmd/module.h"
34 #include "dmd/mtype.h"
35 #include "dmd/target.h"
36 #include "dmd/template.h"
41 #include "diagnostic.h"
42 #include "fold-const.h"
44 #include "langhooks.h"
45 #include "langhooks-def.h"
48 #include "stringpool.h"
49 #include "stor-layout.h"
52 #include "print-tree.h"
57 #include "d-frontend.h"
60 /* Array of D frontend type/decl nodes. */
61 tree d_global_trees
[DTI_MAX
];
63 /* True if compilation is currently inside the D frontend semantic passes. */
64 bool doing_semantic_analysis_p
= false;
66 /* Options handled by the compiler that are separate from the frontend. */
69 const char *fonly
; /* -fonly=<arg> */
70 const char *multilib
; /* -imultilib <dir> */
71 const char *prefix
; /* -iprefix <dir> */
74 bool deps_skip_system
; /* -MM */
75 const char *deps_filename
; /* -M[M]D */
76 const char *deps_filename_user
; /* -MF <arg> */
77 vec
<const char *> deps_target
; /* -M[QT] <arg> */
78 bool deps_phony
; /* -MP */
80 bool stdinc
; /* -nostdinc */
84 /* List of modules being compiled. */
85 static Modules builtin_modules
;
87 /* The current and global binding level in effect. */
88 struct binding_level
*current_binding_level
;
89 struct binding_level
*global_binding_level
;
91 /* The context to be used for global declarations. */
92 static GTY(()) tree global_context
;
94 /* Array of all global declarations to pass back to the middle-end. */
95 static GTY(()) vec
<tree
, va_gc
> *global_declarations
;
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. */
102 deps_add_target (const char *target
, bool quoted
)
105 gcc_obstack_init (&buffer
);
109 obstack_grow0 (&buffer
, target
, strlen (target
));
110 d_option
.deps_target
.safe_push ((const char *) obstack_finish (&buffer
));
114 /* Quote characters in target which are significant to Make. */
115 unsigned slashes
= 0;
117 for (const char *p
= target
; *p
!= '\0'; p
++)
128 obstack_1grow (&buffer
, '\\');
129 obstack_1grow (&buffer
, '\\');
133 obstack_1grow (&buffer
, '$');
138 obstack_1grow (&buffer
, '\\');
147 obstack_1grow (&buffer
, *p
);
150 obstack_1grow (&buffer
, '\0');
151 d_option
.deps_target
.safe_push ((const char *) obstack_finish (&buffer
));
154 /* Write STR, with a leading space to BUFFER, updating COLUMN as appropriate.
155 COLMAX is the number of columns to word-wrap at (0 means don't wrap). */
158 deps_write_string (const char *str
, obstack
*buffer
, unsigned &column
,
159 unsigned colmax
= 72)
161 unsigned size
= strlen (str
);
165 if (colmax
&& column
+ size
> colmax
)
167 obstack_grow (buffer
, " \\\n ", 4);
172 obstack_1grow (buffer
, ' ');
178 obstack_grow (buffer
, str
, size
);
181 /* Write out all dependencies of a given MODULE to the specified BUFFER. */
184 deps_write (Module
*module
, obstack
*buffer
)
186 hash_set
<const char *> seen_modules
;
187 vec
<const char *> dependencies
= vNULL
;
190 modlist
.push (module
);
192 vec
<const char *> phonylist
= vNULL
;
195 /* Write out make target module name. */
196 if (d_option
.deps_target
.length ())
198 for (unsigned i
= 0; i
< d_option
.deps_target
.length (); i
++)
199 deps_write_string (d_option
.deps_target
[i
], buffer
, column
);
202 deps_write_string (module
->objfile
.toChars (), buffer
, column
);
204 obstack_1grow (buffer
, ':');
207 /* Search all modules for file dependencies. */
208 while (modlist
.length
> 0)
210 Module
*depmod
= modlist
.pop ();
212 const char *modstr
= depmod
->srcfile
.toChars ();
214 /* Skip modules that have already been looked at. */
215 if (seen_modules
.add (modstr
))
218 dependencies
.safe_push (modstr
);
220 /* Add to list of phony targets if is not being compile. */
221 if (d_option
.deps_phony
&& !depmod
->isRoot ())
222 phonylist
.safe_push (modstr
);
224 /* Add imported files to dependency list. */
225 for (size_t i
= 0; i
< depmod
->contentImportedFiles
.length
; i
++)
227 const char *impstr
= depmod
->contentImportedFiles
[i
];
228 dependencies
.safe_push (impstr
);
229 phonylist
.safe_push (impstr
);
232 /* Search all imports of the module. */
233 for (size_t i
= 0; i
< depmod
->aimports
.length
; i
++)
235 Module
*m
= depmod
->aimports
[i
];
237 /* Ignore compiler-generated modules. */
238 if (m
->ident
== Identifier::idPool ("__main") && m
->parent
== NULL
)
241 /* Don't search system installed modules, this includes
242 object, core.*, std.*, and gcc.* packages. */
243 if (d_option
.deps_skip_system
)
245 if (m
->ident
== Identifier::idPool ("object")
246 && m
->parent
== NULL
)
249 if (m
->md
&& m
->md
->packages
.length
)
251 Identifier
*package
= m
->md
->packages
.ptr
[0];
253 if (package
== Identifier::idPool ("core")
254 || package
== Identifier::idPool ("std")
255 || package
== Identifier::idPool ("gcc"))
264 /* Write out all make dependencies. */
265 for (size_t i
= 0; i
< dependencies
.length (); i
++)
266 deps_write_string (dependencies
[i
], buffer
, column
);
268 obstack_1grow (buffer
, '\n');
270 /* Write out all phony targets. */
271 for (size_t i
= 0; i
< phonylist
.length (); i
++)
273 const char *str
= phonylist
[i
];
274 obstack_1grow (buffer
, '\n');
275 obstack_grow (buffer
, str
, strlen (str
));
276 obstack_grow (buffer
, ":\n", 2);
279 obstack_1grow (buffer
, '\0');
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. */
287 d_init_options (unsigned int, cl_decoded_option
*decoded_options
)
289 /* Initialize the D runtime. */
293 /* Set default values. */
296 global
.vendor
= lang_hooks
.name
;
297 global
.params
.argv0
= xstrdup (decoded_options
[0].arg
);
298 global
.params
.errorLimit
= flag_max_errors
;
300 /* Default extern(C++) mangling to C++17. */
301 global
.params
.cplusplus
= CppStdRevisionCpp17
;
303 /* Warnings and deprecations are disabled by default. */
304 global
.params
.useDeprecated
= DIAGNOSTICinform
;
305 global
.params
.warnings
= DIAGNOSTICoff
;
306 global
.params
.messageStyle
= MessageStyle::gnu
;
308 global
.params
.imppath
= d_gc_malloc
<Strings
> ();
309 global
.params
.fileImppath
= d_gc_malloc
<Strings
> ();
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
;
319 d_option
.deps_target
= vNULL
;
320 d_option
.deps_phony
= false;
321 d_option
.stdinc
= true;
324 /* Implements the lang_hooks.init_options_struct routine for language D.
325 Initializes the options structure OPTS. */
328 d_init_options_struct (gcc_options
*opts
)
331 opts
->x_flag_exceptions
= 1;
333 /* Unlike C, there is no global `errno' variable. */
334 opts
->x_flag_errno_math
= 0;
335 opts
->frontend_set_flag_errno_math
= true;
337 /* D says that signed overflow is precisely defined. */
338 opts
->x_flag_wrapv
= 1;
341 /* Implements the lang_hooks.lang_mask routine for language D.
342 Returns language mask for option parsing. */
345 d_option_lang_mask (void)
350 /* Implements input charset and BOM skipping configuration for
352 static const char *d_input_charset_callback (const char * /*filename*/)
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. */
363 /* Implements the lang_hooks.init routine for language D. */
371 Expression::_init ();
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);
380 global_binding_level
= ggc_cleared_alloc
<binding_level
> ();
381 current_binding_level
= global_binding_level
;
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);
392 using_eh_for_cleanups ();
394 if (!supports_one_only ())
395 flag_weak_templates
= 0;
397 /* This is the C main, not the D main. */
398 main_identifier_node
= get_identifier ("main");
400 target
._init (global
.params
);
403 /* Insert all library-configured identifiers and import paths. */
404 add_import_paths (d_option
.prefix
, d_option
.multilib
, d_option
.stdinc
);
409 /* Implements the lang_hooks.init_ts routine for language D. */
414 MARK_TS_TYPED (FLOAT_MOD_EXPR
);
415 MARK_TS_TYPED (UNSIGNED_RSHIFT_EXPR
);
418 /* Implements the lang_hooks.handle_option routine for language D.
419 Handles D specific options. Return false if we didn't do anything. */
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
)
427 opt_code code
= (opt_code
) scode
;
432 case OPT_fall_instantiations
:
433 global
.params
.allInst
= value
;
437 global
.params
.useAssert
= value
? CHECKENABLEon
: CHECKENABLEoff
;
440 case OPT_fbounds_check
:
441 global
.params
.useArrayBounds
= value
? CHECKENABLEon
: CHECKENABLEoff
;
444 case OPT_fbounds_check_
:
445 global
.params
.useArrayBounds
= (value
== 2) ? CHECKENABLEon
446 : (value
== 1) ? CHECKENABLEsafeonly
: CHECKENABLEoff
;
449 case OPT_fcheckaction_
:
450 global
.params
.checkAction
= (value
== 0) ? CHECKACTION_D
451 : (value
== 1) ? CHECKACTION_halt
: CHECKACTION_context
;
455 global
.params
.debuglevel
= value
? 1 : 0;
459 if (Identifier::isValidIdentifier (CONST_CAST (char *, arg
)))
461 if (!global
.params
.debugids
)
462 global
.params
.debugids
= d_gc_malloc
<Strings
> ();
463 global
.params
.debugids
->push (arg
);
467 error ("bad argument for %<-fdebug%>: %qs", arg
);
471 global
.params
.ddoc
.doOutput
= value
;
475 global
.params
.ddoc
.doOutput
= true;
476 global
.params
.ddoc
.dir
= arg
;
480 global
.params
.ddoc
.doOutput
= true;
481 global
.params
.ddoc
.name
= arg
;
485 global
.params
.ddoc
.files
.push (arg
);
489 global
.params
.betterC
= !value
;
492 case OPT_fdump_c___spec_
:
493 global
.params
.cxxhdr
.doOutput
= true;
494 global
.params
.cxxhdr
.name
= arg
;
497 case OPT_fdump_c___spec_verbose
:
498 global
.params
.cxxhdr
.fullOutput
= true;
501 case OPT_fdump_d_original
:
502 global
.params
.vcg_ast
= value
;
505 case OPT_fexceptions
:
506 global
.params
.useExceptions
= value
;
509 case OPT_fextern_std_
:
512 case CppStdRevisionCpp98
:
513 case CppStdRevisionCpp11
:
514 case CppStdRevisionCpp14
:
515 case CppStdRevisionCpp17
:
516 case CppStdRevisionCpp20
:
517 global
.params
.cplusplus
= (CppStdRevision
) value
;
521 error ("bad argument for %<-fextern-std%>: %qs", arg
);
525 case OPT_fignore_unknown_pragmas
:
526 global
.params
.ignoreUnsupportedPragmas
= value
;
529 case OPT_finvariants
:
530 global
.params
.useInvariants
= value
? CHECKENABLEon
: CHECKENABLEoff
;
534 global
.params
.addMain
= value
;
537 case OPT_fmodule_file_
:
538 global
.params
.modFileAliasStrings
.push (arg
);
539 if (!strchr (arg
, '='))
540 error ("bad argument for %<-fmodule-file%>: %qs", arg
);
543 case OPT_fmoduleinfo
:
544 global
.params
.useModuleInfo
= value
;
548 d_option
.fonly
= arg
;
551 case OPT_fpostconditions
:
552 global
.params
.useOut
= value
? CHECKENABLEon
: CHECKENABLEoff
;
555 case OPT_fpreconditions
:
556 global
.params
.useIn
= value
? CHECKENABLEon
: CHECKENABLEoff
;
559 case OPT_fpreview_all
:
560 global
.params
.ehnogc
= value
;
561 global
.params
.useDIP25
= FeatureState::enabled
;
562 global
.params
.useDIP1000
= FeatureState::enabled
;
563 global
.params
.useDIP1021
= value
;
564 global
.params
.bitfields
= value
;
565 global
.params
.dtorFields
= FeatureState::enabled
;
566 global
.params
.fieldwise
= value
;
567 global
.params
.fixAliasThis
= value
;
568 global
.params
.previewIn
= value
;
569 global
.params
.fix16997
= value
;
570 global
.params
.noSharedAccess
= FeatureState::enabled
;
571 global
.params
.rvalueRefParam
= FeatureState::enabled
;
572 global
.params
.inclusiveInContracts
= value
;
573 global
.params
.systemVariables
= FeatureState::enabled
;
574 global
.params
.fixImmutableConv
= value
;
577 case OPT_fpreview_bitfields
:
578 global
.params
.bitfields
= value
;
581 case OPT_fpreview_dip1000
:
582 global
.params
.useDIP1000
= FeatureState::enabled
;
585 case OPT_fpreview_dip1008
:
586 global
.params
.ehnogc
= value
;
589 case OPT_fpreview_dip1021
:
590 global
.params
.useDIP1021
= value
;
593 case OPT_fpreview_dip25
:
594 global
.params
.useDIP25
= FeatureState::enabled
;
597 case OPT_fpreview_dtorfields
:
598 global
.params
.dtorFields
= FeatureState::enabled
;
601 case OPT_fpreview_fieldwise
:
602 global
.params
.fieldwise
= value
;
605 case OPT_fpreview_fixaliasthis
:
606 global
.params
.fixAliasThis
= value
;
609 case OPT_fpreview_fiximmutableconv
:
610 global
.params
.fixImmutableConv
= value
;
613 case OPT_fpreview_in
:
614 global
.params
.previewIn
= value
;
617 case OPT_fpreview_inclusiveincontracts
:
618 global
.params
.inclusiveInContracts
= value
;
621 case OPT_fpreview_nosharedaccess
:
622 global
.params
.noSharedAccess
= FeatureState::enabled
;
625 case OPT_fpreview_rvaluerefparam
:
626 global
.params
.rvalueRefParam
= FeatureState::enabled
;
629 case OPT_fpreview_systemvariables
:
630 global
.params
.systemVariables
= FeatureState::enabled
;
634 global
.params
.release
= value
;
637 case OPT_frevert_all
:
638 global
.params
.useDIP1000
= FeatureState::disabled
;
639 global
.params
.useDIP25
= FeatureState::disabled
;
640 global
.params
.dtorFields
= FeatureState::disabled
;
641 global
.params
.fix16997
= !value
;
644 case OPT_frevert_dip1000
:
645 global
.params
.useDIP1000
= FeatureState::disabled
;
648 case OPT_frevert_dip25
:
649 global
.params
.useDIP25
= FeatureState::disabled
;
652 case OPT_frevert_dtorfields
:
653 global
.params
.dtorFields
= FeatureState::disabled
;
656 case OPT_frevert_intpromote
:
657 global
.params
.fix16997
= !value
;
661 global
.params
.useTypeInfo
= value
;
664 case OPT_fsave_mixins_
:
665 global
.params
.mixinOut
.doOutput
= true;
666 global
.params
.mixinOut
.name
= arg
;
667 global
.params
.mixinOut
.buffer
= d_gc_malloc
<OutBuffer
> ();
670 case OPT_fswitch_errors
:
671 global
.params
.useSwitchError
= value
? CHECKENABLEon
: CHECKENABLEoff
;
674 case OPT_ftransition_all
:
675 global
.params
.vfield
= value
;
676 global
.params
.vgc
= value
;
677 global
.params
.vin
= value
;
678 global
.params
.vtls
= value
;
681 case OPT_ftransition_field
:
682 global
.params
.vfield
= value
;
685 case OPT_ftransition_in
:
686 global
.params
.vin
= value
;
689 case OPT_ftransition_nogc
:
690 global
.params
.vgc
= value
;
693 case OPT_ftransition_templates
:
694 global
.params
.vtemplates
= value
;
697 case OPT_ftransition_tls
:
698 global
.params
.vtls
= value
;
702 global
.params
.useUnitTests
= value
;
706 if (Identifier::isValidIdentifier (CONST_CAST (char *, arg
)))
708 if (!global
.params
.versionids
)
709 global
.params
.versionids
= d_gc_malloc
<Strings
> ();
710 global
.params
.versionids
->push (arg
);
714 error ("bad argument for %<-fversion%>: %qs", arg
);
718 global
.params
.dihdr
.doOutput
= true;
722 global
.params
.dihdr
.doOutput
= true;
723 global
.params
.dihdr
.dir
= arg
;
727 global
.params
.dihdr
.doOutput
= true;
728 global
.params
.dihdr
.name
= arg
;
732 d_option
.multilib
= arg
;
736 d_option
.prefix
= arg
;
740 global
.params
.imppath
->push (arg
);
744 global
.params
.fileImppath
->push (arg
);
748 d_option
.deps_skip_system
= true;
752 d_option
.deps
= true;
756 d_option
.deps_skip_system
= true;
760 d_option
.deps
= true;
761 d_option
.deps_filename
= arg
;
765 /* If specified multiple times, last one wins. */
766 d_option
.deps_filename_user
= arg
;
770 d_option
.deps_phony
= true;
774 deps_add_target (arg
, true);
778 deps_add_target (arg
, false);
782 d_option
.stdinc
= false;
786 global
.params
.verbose
= value
;
791 global
.params
.warnings
= DIAGNOSTICinform
;
794 case OPT_Wdeprecated
:
795 global
.params
.useDeprecated
= value
? DIAGNOSTICinform
: DIAGNOSTICoff
;
800 global
.params
.warnings
= DIAGNOSTICerror
;
803 case OPT_Wspeculative
:
805 global
.params
.showGaggedErrors
= 1;
809 global
.params
.json
.name
= arg
;
813 global
.params
.json
.doOutput
= true;
820 D_handle_option_auto (&global_options
, &global_options_set
,
822 d_option_lang_mask (), kind
,
823 loc
, handlers
, global_dc
);
828 /* Implements the lang_hooks.post_options routine for language D.
829 Deal with any options that imply the turning on/off of features.
830 FN is the main input filename passed on the command line. */
833 d_post_options (const char ** fn
)
835 /* Verify the input file name. */
836 const char *filename
= *fn
;
837 if (!filename
|| strcmp (filename
, "-") == 0)
840 /* The front end considers the first input file to be the main one. */
843 /* Release mode doesn't turn off bounds checking for safe functions. */
844 if (global
.params
.useArrayBounds
== CHECKENABLEdefault
)
846 global
.params
.useArrayBounds
= global
.params
.release
847 ? CHECKENABLEsafeonly
: CHECKENABLEon
;
850 /* Assert code is generated if unittests are being compiled also, even if
851 release mode is turned on. */
852 if (global
.params
.useAssert
== CHECKENABLEdefault
)
854 if (global
.params
.useUnitTests
|| !global
.params
.release
)
855 global
.params
.useAssert
= CHECKENABLEon
;
857 global
.params
.useAssert
= CHECKENABLEoff
;
860 /* Checks for switches without a default are turned off in release mode. */
861 if (global
.params
.useSwitchError
== CHECKENABLEdefault
)
863 global
.params
.useSwitchError
= global
.params
.release
864 ? CHECKENABLEoff
: CHECKENABLEon
;
867 /* Contracts are turned off in release mode. */
868 if (global
.params
.useInvariants
== CHECKENABLEdefault
)
870 global
.params
.useInvariants
= global
.params
.release
871 ? CHECKENABLEoff
: CHECKENABLEon
;
874 if (global
.params
.useIn
== CHECKENABLEdefault
)
876 global
.params
.useIn
= global
.params
.release
877 ? CHECKENABLEoff
: CHECKENABLEon
;
880 if (global
.params
.useOut
== CHECKENABLEdefault
)
882 global
.params
.useOut
= global
.params
.release
883 ? CHECKENABLEoff
: CHECKENABLEon
;
886 /* When not linking against D runtime, turn off all code generation that
887 would otherwise reference it. */
888 if (global
.params
.betterC
)
890 if (!OPTION_SET_P (flag_moduleinfo
))
891 global
.params
.useModuleInfo
= false;
893 /* Ensure that the front-end options are in sync with the `-frtti' and
894 `-fexceptions' flags. */
895 if (!OPTION_SET_P (flag_rtti
))
897 global
.params
.useTypeInfo
= false;
901 if (!OPTION_SET_P (flag_exceptions
))
903 global
.params
.useExceptions
= false;
904 flag_exceptions
= false;
907 global
.params
.checkAction
= CHECKACTION_C
;
910 /* Enabling DIP1021 implies DIP1000. */
911 if (global
.params
.useDIP1021
)
912 global
.params
.useDIP1000
= FeatureState::enabled
;
914 /* Enabling DIP1000 implies DIP25. */
915 if (global
.params
.useDIP1000
== FeatureState::enabled
)
916 global
.params
.useDIP25
= FeatureState::enabled
;
918 /* Keep in sync with existing -fbounds-check flag. */
919 flag_bounds_check
= (global
.params
.useArrayBounds
== CHECKENABLEon
);
921 /* Turn off partitioning unless it was explicitly requested, as it doesn't
922 work with D exception chaining, where EH handler uses LSDA to determine
923 whether two thrown exception are in the same context. */
924 if (!OPTION_SET_P (flag_reorder_blocks_and_partition
))
925 global_options
.x_flag_reorder_blocks_and_partition
= 0;
927 /* Error about use of deprecated features. */
928 if (global
.params
.useDeprecated
== DIAGNOSTICinform
929 && global
.params
.warnings
== DIAGNOSTICerror
)
930 global
.params
.useDeprecated
= DIAGNOSTICerror
;
932 /* Make -fmax-errors visible to frontend's diagnostic machinery. */
933 if (OPTION_SET_P (flag_max_errors
))
934 global
.params
.errorLimit
= flag_max_errors
;
936 if (flag_excess_precision
== EXCESS_PRECISION_DEFAULT
)
937 flag_excess_precision
= EXCESS_PRECISION_STANDARD
;
939 global
.params
.useInline
= flag_inline_functions
;
940 global
.params
.showColumns
= flag_show_column
;
941 global
.params
.printErrorContext
= flag_diagnostics_show_caret
;
943 /* Keep the front-end location type in sync with params. */
944 Loc::set (global
.params
.showColumns
, global
.params
.messageStyle
);
946 if (global
.params
.useInline
)
947 global
.params
.dihdr
.fullOutput
= true;
949 global
.params
.obj
= !flag_syntax_only
;
951 /* Add in versions given on the command line. */
952 if (global
.params
.versionids
)
954 for (size_t i
= 0; i
< global
.params
.versionids
->length
; i
++)
956 const char *s
= (*global
.params
.versionids
)[i
];
957 VersionCondition::addGlobalIdent (s
);
961 if (global
.params
.debugids
)
963 for (size_t i
= 0; i
< global
.params
.debugids
->length
; i
++)
965 const char *s
= (*global
.params
.debugids
)[i
];
966 DebugCondition::addGlobalIdent (s
);
970 if (warn_return_type
== -1)
971 warn_return_type
= 0;
976 /* Add the module M to the list of modules that may declare GCC builtins.
977 These are scanned after first semantic and before codegen passes.
978 See d_maybe_set_builtin() for the implementation. */
981 d_add_builtin_module (Module
*m
)
983 builtin_modules
.push (m
);
986 /* Implements the lang_hooks.parse_file routine for language D. */
991 if (global
.params
.verbose
)
993 message ("binary %s", global
.params
.argv0
.ptr
);
994 message ("version %s", global
.versionChars ());
996 if (global
.versionids
)
999 gcc_obstack_init (&buffer
);
1000 obstack_grow (&buffer
, "predefs ", 9);
1001 for (size_t i
= 0; i
< global
.versionids
->length
; i
++)
1003 Identifier
*id
= (*global
.versionids
)[i
];
1004 const char *str
= id
->toChars ();
1005 obstack_1grow (&buffer
, ' ');
1006 obstack_grow (&buffer
, str
, strlen (str
));
1009 obstack_1grow (&buffer
, '\0');
1010 message ("%s", (char *) obstack_finish (&buffer
));
1014 /* Start the main input file, if the debug writer wants it. */
1015 if (debug_hooks
->start_end_main_source_file
)
1016 debug_hooks
->start_source_file (0, main_input_filename
);
1018 /* Create Module's for all sources we will load. */
1020 modules
.reserve (num_in_fnames
);
1022 /* In this mode, the first file name is supposed to be a duplicate
1023 of one of the input files. */
1024 if (d_option
.fonly
&& strcmp (d_option
.fonly
, main_input_filename
) != 0)
1025 error ("%<-fonly=%> argument is different from first input file name");
1027 for (size_t i
= 0; i
< num_in_fnames
; i
++)
1029 if (strcmp (in_fnames
[i
], "-") == 0)
1031 /* Load the entire contents of stdin into memory. 8 kilobytes should
1032 be a good enough initial size, but double on each iteration.
1033 16 bytes are added for the final '\n' and 15 bytes of padding. */
1034 ssize_t size
= 8 * 1024;
1035 uchar
*buffer
= XNEWVEC (uchar
, size
+ 16);
1039 while ((count
= read (STDIN_FILENO
, buffer
+ len
, size
- len
)) > 0)
1045 buffer
= XRESIZEVEC (uchar
, buffer
, size
+ 16);
1051 error (Loc ("stdin", 0, 0), "%s", xstrerror (errno
));
1056 /* Handling stdin, generate a unique name for the module. */
1057 Module
*m
= Module::create (in_fnames
[i
],
1058 Identifier::idPool ("__stdin"),
1059 global
.params
.ddoc
.doOutput
,
1060 global
.params
.dihdr
.doOutput
);
1063 /* Zero the padding past the end of the buffer so the D lexer has a
1064 sentinel. The lexer only reads up to 4 bytes at a time. */
1065 memset (buffer
+ len
, '\0', 16);
1067 /* Overwrite the source file for the module, the one created by
1068 Module::create would have a forced a `.d' suffix. */
1069 m
->src
.length
= len
;
1070 m
->src
.ptr
= buffer
;
1074 /* Handling a D source file, strip off the path and extension. */
1075 const char *basename
= FileName::name (in_fnames
[i
]);
1076 const char *name
= FileName::removeExt (basename
);
1078 Module
*m
= Module::create (in_fnames
[i
], Identifier::idPool (name
),
1079 global
.params
.ddoc
.doOutput
,
1080 global
.params
.dihdr
.doOutput
);
1082 FileName::free (name
);
1086 /* Read all D source files. */
1087 for (size_t i
= 0; i
< modules
.length
; i
++)
1089 Module
*m
= modules
[i
];
1093 /* Parse all D source files. */
1094 for (size_t i
= 0; i
< modules
.length
; i
++)
1096 Module
*m
= modules
[i
];
1098 if (global
.params
.verbose
)
1099 message ("parse %s", m
->toChars ());
1101 if (!Module::rootModule
)
1102 Module::rootModule
= m
;
1104 m
->importedFrom
= m
;
1107 if (m
->filetype
== FileType::ddoc
)
1110 /* Remove M from list of modules. */
1116 /* Load the module containing D main. */
1117 Module
*main_module
= NULL
;
1118 if (global
.params
.addMain
)
1120 unsigned errors
= global
.startGagging ();
1121 main_module
= Module::load (Loc (), NULL
, Identifier::idPool ("__main"));
1123 if (!global
.endGagging (errors
))
1125 main_module
->importedFrom
= main_module
;
1126 modules
.push (main_module
);
1130 /* If an error occurs later during compilation, remember that we generated
1131 the headers, so that they can be removed before exit. */
1132 bool dump_headers
= false;
1137 if (global
.params
.dihdr
.doOutput
)
1139 /* Generate 'header' import files. Since 'header' import files must be
1140 independent of command line switches and what else is imported, they
1141 are generated before any semantic analysis. */
1142 for (size_t i
= 0; i
< modules
.length
; i
++)
1144 Module
*m
= modules
[i
];
1145 if (m
->filetype
== FileType::dhdr
1146 || (d_option
.fonly
&& m
!= Module::rootModule
))
1149 if (global
.params
.verbose
)
1150 message ("import %s", m
->toChars ());
1155 dump_headers
= true;
1161 /* Load all unconditional imports for better symbol resolving. */
1162 for (size_t i
= 0; i
< modules
.length
; i
++)
1164 Module
*m
= modules
[i
];
1166 if (global
.params
.verbose
)
1167 message ("importall %s", m
->toChars ());
1169 m
->importAll (NULL
);
1175 /* Do semantic analysis. */
1176 doing_semantic_analysis_p
= true;
1178 for (size_t i
= 0; i
< modules
.length
; i
++)
1180 Module
*m
= modules
[i
];
1182 /* If this is the `__main` module, check that `D main` hasn't already
1183 been declared in user code before running semantic on it. */
1184 if (m
== main_module
&& global
.hasMainFunction
)
1190 if (global
.params
.verbose
)
1191 message ("semantic %s", m
->toChars ());
1193 dsymbolSemantic (m
, NULL
);
1196 /* Do deferred semantic analysis. */
1197 Module::runDeferredSemantic ();
1199 if (Module::deferred
.length
)
1201 for (size_t i
= 0; i
< Module::deferred
.length
; i
++)
1203 Dsymbol
*sd
= Module::deferred
[i
];
1204 error_at (make_location_t (sd
->loc
),
1205 "unable to resolve forward reference in definition");
1209 /* Process all built-in modules or functions now for CTFE. */
1210 while (builtin_modules
.length
!= 0)
1212 Module
*m
= builtin_modules
.pop ();
1213 d_maybe_set_builtin (m
);
1216 /* Do pass 2 semantic analysis. */
1217 for (size_t i
= 0; i
< modules
.length
; i
++)
1219 Module
*m
= modules
[i
];
1221 if (global
.params
.verbose
)
1222 message ("semantic2 %s", m
->toChars ());
1224 semantic2 (m
, NULL
);
1227 Module::runDeferredSemantic2 ();
1232 /* Do pass 3 semantic analysis. */
1233 for (size_t i
= 0; i
< modules
.length
; i
++)
1235 Module
*m
= modules
[i
];
1237 if (global
.params
.verbose
)
1238 message ("semantic3 %s", m
->toChars ());
1240 semantic3 (m
, NULL
);
1243 Module::runDeferredSemantic3 ();
1245 /* Check again, incase semantic3 pass loaded any more modules. */
1246 while (builtin_modules
.length
!= 0)
1248 Module
*m
= builtin_modules
.pop ();
1249 d_maybe_set_builtin (m
);
1252 /* Do not attempt to generate output files if errors or warnings occurred. */
1253 if (global
.errors
|| global
.warnings
)
1256 /* Generate output files. */
1257 doing_semantic_analysis_p
= false;
1259 if (Module::rootModule
)
1261 /* Declare the name of the root module as the first global name in order
1262 to make the middle-end fully deterministic. */
1264 mangleToBuffer (Module::rootModule
, &buf
);
1265 first_global_object_name
= buf
.extractChars ();
1268 /* Make dependencies. */
1274 gcc_obstack_init (&buffer
);
1276 for (size_t i
= 0; i
< modules
.length
; i
++)
1277 deps_write (modules
[i
], &buffer
);
1279 /* -MF <arg> overrides -M[M]D. */
1280 if (d_option
.deps_filename_user
)
1281 d_option
.deps_filename
= d_option
.deps_filename_user
;
1283 if (d_option
.deps_filename
)
1285 deps_stream
= fopen (d_option
.deps_filename
, "w");
1288 fatal_error (input_location
, "opening dependency file %s: %m",
1289 d_option
.deps_filename
);
1294 deps_stream
= stdout
;
1296 fprintf (deps_stream
, "%s", (char *) obstack_finish (&buffer
));
1298 if (deps_stream
!= stdout
1299 && (ferror (deps_stream
) || fclose (deps_stream
)))
1301 fatal_error (input_location
, "closing dependency file %s: %m",
1302 d_option
.deps_filename
);
1306 if (global
.params
.vtemplates
)
1307 printTemplateStats ();
1309 /* Generate JSON files. */
1310 if (global
.params
.json
.doOutput
)
1313 json_generate (&buf
, &modules
);
1315 const char *name
= global
.params
.json
.name
.ptr
;
1318 if (name
&& (name
[0] != '-' || name
[1] != '\0'))
1321 = FileName::defaultExt (name
, json_ext
.ptr
);
1322 json_stream
= fopen (nameext
, "w");
1325 fatal_error (input_location
, "opening json file %s: %m", nameext
);
1330 json_stream
= stdout
;
1332 fprintf (json_stream
, "%s", buf
.peekChars ());
1334 if (json_stream
!= stdout
1335 && (ferror (json_stream
) || fclose (json_stream
)))
1336 fatal_error (input_location
, "closing json file %s: %m", name
);
1339 /* Generate Ddoc files. */
1340 if (global
.params
.ddoc
.doOutput
&& !global
.errors
&& !errorcount
)
1342 for (size_t i
= 0; i
< modules
.length
; i
++)
1344 Module
*m
= modules
[i
];
1349 /* Handle -fdump-d-original. */
1350 if (global
.params
.vcg_ast
)
1352 for (size_t i
= 0; i
< modules
.length
; i
++)
1354 Module
*m
= modules
[i
];
1358 moduleToBuffer (&buf
, m
);
1359 message ("%s", buf
.peekChars ());
1363 /* Generate C++ header files. */
1364 if (global
.params
.cxxhdr
.doOutput
)
1365 genCppHdrFiles (modules
);
1370 for (size_t i
= 0; i
< modules
.length
; i
++)
1372 Module
*m
= modules
[i
];
1374 /* Skip generating code for header files, or when the module wasn't
1375 specified by `-fonly=`. */
1376 if ((m
->filetype
== FileType::dhdr
&& m
!= main_module
)
1377 || (d_option
.fonly
&& m
!= Module::rootModule
))
1380 if (global
.params
.verbose
)
1381 message ("code %s", m
->toChars ());
1383 if (!flag_syntax_only
)
1384 build_decl_tree (m
);
1387 /* And end the main input file, if the debug writer wants it. */
1388 if (debug_hooks
->start_end_main_source_file
)
1389 debug_hooks
->end_source_file (0);
1392 /* Add the D frontend error count to the GCC error count to correctly
1393 exit with an error status. */
1394 errorcount
+= (global
.errors
+ global
.warnings
);
1396 /* We want to write the mixin expansion file also on error. */
1397 if (global
.params
.mixinOut
.doOutput
)
1399 FILE *mixin_stream
= fopen (global
.params
.mixinOut
.name
.ptr
, "w");
1403 OutBuffer
*buf
= global
.params
.mixinOut
.buffer
;
1404 fprintf (mixin_stream
, "%s", buf
->peekChars ());
1406 if (ferror (mixin_stream
) || fclose (mixin_stream
))
1407 fatal_error (input_location
, "closing mixin file %s: %m",
1408 global
.params
.mixinOut
.name
.ptr
);
1412 fatal_error (input_location
, "opening mixin file %s: %m",
1413 global
.params
.mixinOut
.name
.ptr
);
1417 /* Remove generated .di files on error. */
1418 if (errorcount
&& dump_headers
)
1420 for (size_t i
= 0; i
< modules
.length
; i
++)
1422 Module
*m
= modules
[i
];
1423 if (m
->filetype
== FileType::dhdr
1424 || (d_option
.fonly
&& m
!= Module::rootModule
))
1427 remove (m
->hdrfile
.toChars ());
1431 /* Write out globals. */
1432 d_finish_compilation (vec_safe_address (global_declarations
),
1433 vec_safe_length (global_declarations
));
1436 /* Implements the lang_hooks.types.type_for_mode routine for language D. */
1439 d_type_for_mode (machine_mode mode
, int unsignedp
)
1442 return unsignedp
? d_ubyte_type
: d_byte_type
;
1445 return unsignedp
? d_ushort_type
: d_short_type
;
1448 return unsignedp
? d_uint_type
: d_int_type
;
1451 return unsignedp
? d_ulong_type
: d_long_type
;
1453 if (mode
== TYPE_MODE (d_cent_type
))
1454 return unsignedp
? d_ucent_type
: d_cent_type
;
1456 if (mode
== TYPE_MODE (float_type_node
))
1457 return float_type_node
;
1459 if (mode
== TYPE_MODE (double_type_node
))
1460 return double_type_node
;
1462 if (mode
== TYPE_MODE (long_double_type_node
))
1463 return long_double_type_node
;
1465 if (mode
== TYPE_MODE (build_pointer_type (char8_type_node
)))
1466 return build_pointer_type (char8_type_node
);
1468 if (mode
== TYPE_MODE (build_pointer_type (d_int_type
)))
1469 return build_pointer_type (d_int_type
);
1471 for (int i
= 0; i
< NUM_INT_N_ENTS
; i
++)
1473 if (int_n_enabled_p
[i
] && mode
== int_n_data
[i
].m
)
1476 return int_n_trees
[i
].unsigned_type
;
1478 return int_n_trees
[i
].signed_type
;
1482 if (COMPLEX_MODE_P (mode
))
1484 machine_mode inner_mode
;
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
;
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
);
1499 else if (VECTOR_MODE_P (mode
))
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
);
1510 /* Implements the lang_hooks.types.type_for_size routine for language D. */
1513 d_type_for_size (unsigned bits
, int unsignedp
)
1515 if (bits
<= TYPE_PRECISION (d_byte_type
))
1516 return unsignedp
? d_ubyte_type
: d_byte_type
;
1518 if (bits
<= TYPE_PRECISION (d_short_type
))
1519 return unsignedp
? d_ushort_type
: d_short_type
;
1521 if (bits
<= TYPE_PRECISION (d_int_type
))
1522 return unsignedp
? d_uint_type
: d_int_type
;
1524 if (bits
<= TYPE_PRECISION (d_long_type
))
1525 return unsignedp
? d_ulong_type
: d_long_type
;
1527 if (bits
<= TYPE_PRECISION (d_cent_type
))
1528 return unsignedp
? d_ucent_type
: d_cent_type
;
1530 for (int i
= 0; i
< NUM_INT_N_ENTS
; i
++)
1532 if (int_n_enabled_p
[i
] && bits
== int_n_data
[i
].bitsize
)
1535 return int_n_trees
[i
].unsigned_type
;
1537 return int_n_trees
[i
].signed_type
;
1544 /* Implements the lang_hooks.types.type_promotes_to routine for language D. */
1547 d_type_promotes_to (tree type
)
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
)
1552 && DECL_LANG_FRONTEND (cfun
->decl
)->resolvedLinkage () != LINK::d
)
1554 /* In [type/integer-promotions], integer promotions are conversions of the
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
);
1571 type
= TYPE_MAIN_VARIANT (type
);
1573 /* Check for promotions of target-defined types first. */
1574 tree promoted_type
= targetm
.promoted_type (type
);
1576 return promoted_type
;
1578 if (TREE_CODE (type
) == BOOLEAN_TYPE
)
1581 if (INTEGRAL_TYPE_P (type
))
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
)
1588 if (type
== char32_type_node
)
1591 if (TYPE_PRECISION (type
) < TYPE_PRECISION (d_int_type
))
1595 /* Float arguments are converted to doubles. */
1596 if (type
== float_type_node
)
1597 return double_type_node
;
1599 if (type
== ifloat_type_node
)
1600 return idouble_type_node
;
1606 /* Implements the lang_hooks.decls.global_bindings_p routine for language D.
1607 Return true if we are in the global binding level. */
1610 d_global_bindings_p (void)
1612 return (current_binding_level
== global_binding_level
);
1615 /* Return global_context, but create it first if need be. */
1618 get_global_context (void)
1620 if (!global_context
)
1622 global_context
= build_translation_unit_decl (NULL_TREE
);
1623 debug_hooks
->register_main_translation_unit (global_context
);
1626 return global_context
;
1629 /* Implements the lang_hooks.decls.pushdecl routine for language D.
1630 Record DECL as belonging to the current lexical scope. */
1633 d_pushdecl (tree decl
)
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
))
1639 if (current_function_decl
)
1640 DECL_CONTEXT (decl
) = current_function_decl
;
1642 DECL_CONTEXT (decl
) = get_global_context ();
1645 /* Put decls on list in reverse order. */
1646 if (TREE_STATIC (decl
) || d_global_bindings_p ())
1647 vec_safe_push (global_declarations
, decl
);
1650 TREE_CHAIN (decl
) = current_binding_level
->names
;
1651 current_binding_level
->names
= decl
;
1657 /* Implements the lang_hooks.decls.getdecls routine for language D.
1658 Return the list of declarations of the current level. */
1663 if (current_binding_level
)
1664 return current_binding_level
->names
;
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. */
1674 static alias_set_type
1675 d_get_alias_set (tree
)
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. */
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. */
1692 d_types_compatible_p (tree x
, tree y
)
1694 Type
*tx
= TYPE_LANG_FRONTEND (x
);
1695 Type
*ty
= TYPE_LANG_FRONTEND (y
);
1697 /* Try validating the types in the frontend. */
1698 if (tx
!= NULL
&& ty
!= NULL
)
1700 /* Types are equivalent. */
1701 if (same_type_p (tx
, ty
))
1704 /* Type system allows implicit conversion between. */
1705 if (tx
->implicitConvTo (ty
) != MATCH::nomatch
1706 || ty
->implicitConvTo (tx
) != MATCH::nomatch
)
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
)
1714 if (TYPE_DYNAMIC_ARRAY (x
) && TYPE_DYNAMIC_ARRAY (y
))
1717 if (TYPE_DELEGATE (x
) && TYPE_DELEGATE (y
))
1720 if (TYPE_ASSOCIATIVE_ARRAY (x
) && TYPE_ASSOCIATIVE_ARRAY (y
))
1727 /* Implements the lang_hooks.finish_incomplete_decl routine for language D. */
1730 d_finish_incomplete_decl (tree decl
)
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)
1740 DECL_SIZE (decl
) = bitsize_zero_node
;
1741 DECL_SIZE_UNIT (decl
) = size_zero_node
;
1746 /* Implements the lang_hooks.types.classify_record routine for language D.
1747 Return the true debug type for TYPE. */
1749 static classify_record
1750 d_classify_record (tree type
)
1752 Type
*t
= TYPE_LANG_FRONTEND (type
);
1753 TypeClass
*tc
= t
? t
->isTypeClass () : NULL
;
1757 /* extern(C++) interfaces get emitted as classes. */
1758 if (tc
->sym
->isInterfaceDeclaration ()
1759 && !tc
->sym
->isCPPinterface ())
1760 return RECORD_IS_INTERFACE
;
1762 return RECORD_IS_CLASS
;
1765 return RECORD_IS_STRUCT
;
1768 /* Implements the lang_hooks.tree_size routine for language D.
1769 Determine the size of our tcc_constant or tcc_exceptional nodes. */
1772 d_tree_size (tree_code code
)
1776 case FUNCFRAME_INFO
:
1777 return sizeof (tree_frame_info
);
1784 /* Implements the lang_hooks.print_xnode routine for language D. */
1787 d_print_xnode (FILE *file
, tree node
, int indent
)
1789 switch (TREE_CODE (node
))
1791 case FUNCFRAME_INFO
:
1792 print_node (file
, "frame_type", FRAMEINFO_TYPE (node
), indent
+ 4);
1800 /* Return which tree structure is used by NODE, or TS_D_GENERIC if NODE
1801 is one of the language-independent trees. */
1803 d_tree_node_structure_enum
1804 d_tree_node_structure (lang_tree_node
*t
)
1806 switch (TREE_CODE (&t
->generic
))
1808 case IDENTIFIER_NODE
:
1809 return TS_D_IDENTIFIER
;
1811 case FUNCFRAME_INFO
:
1812 return TS_D_FRAMEINFO
;
1815 return TS_D_GENERIC
;
1819 /* Allocate and return a lang specific structure for the frontend type. */
1822 build_lang_type (Type
*t
)
1824 struct lang_type
*lt
= ggc_cleared_alloc
<struct lang_type
> ();
1829 /* Allocate and return a lang specific structure for the frontend decl. */
1832 build_lang_decl (Declaration
*d
)
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. */
1838 return ggc_cleared_alloc
<struct lang_decl
> ();
1840 struct lang_decl
*ld
= (d
->csym
) ? DECL_LANG_SPECIFIC (d
->csym
) : NULL
;
1842 ld
= ggc_cleared_alloc
<struct lang_decl
> ();
1844 if (ld
->decl
== NULL
)
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. */
1854 d_dup_lang_specific_decl (tree node
)
1856 if (!DECL_LANG_SPECIFIC (node
))
1859 struct lang_decl
*ld
= ggc_alloc
<struct lang_decl
> ();
1860 memcpy (ld
, DECL_LANG_SPECIFIC (node
), sizeof (struct lang_decl
));
1861 DECL_LANG_SPECIFIC (node
) = ld
;
1864 /* This preserves trees we create from the garbage collector. */
1866 static GTY(()) tree d_keep_list
= NULL_TREE
;
1871 d_keep_list
= tree_cons (NULL_TREE
, t
, d_keep_list
);
1874 /* Implements the lang_hooks.eh_personality routine for language D.
1875 Return the GDC personality function decl. */
1877 static GTY(()) tree d_eh_personality_decl
;
1880 d_eh_personality (void)
1882 if (!d_eh_personality_decl
)
1883 d_eh_personality_decl
= build_personality_function ("gdc");
1885 return d_eh_personality_decl
;
1888 /* Implements the lang_hooks.eh_runtime_type routine for language D. */
1891 d_build_eh_runtime_type (tree type
)
1893 Type
*t
= TYPE_LANG_FRONTEND (type
);
1894 gcc_assert (t
!= NULL
);
1895 t
= t
->toBasetype ();
1897 ClassDeclaration
*cd
= t
->isTypeClass ()->sym
;
1900 if (cd
->isCPPclass ())
1901 decl
= get_cpp_typeinfo_decl (cd
);
1903 decl
= get_classinfo_decl (cd
);
1905 return convert (ptr_type_node
, build_address (decl
));
1908 /* Implements the lang_hooks.enum_underlying_base_type routine for language D.
1909 Returns the underlying type of the given enumeration TYPE. */
1912 d_enum_underlying_base_type (const_tree type
)
1914 gcc_assert (TREE_CODE (type
) == ENUMERAL_TYPE
);
1915 return TREE_TYPE (type
);
1918 /* Get a value for the SARIF v2.1.0 "artifact.sourceLanguage" property,
1919 based on the list in SARIF v2.1.0 Appendix J. */
1922 d_get_sarif_source_language (const char *)
1927 /* Definitions for our language-specific hooks. */
1929 #undef LANG_HOOKS_NAME
1930 #undef LANG_HOOKS_INIT
1931 #undef LANG_HOOKS_INIT_TS
1932 #undef LANG_HOOKS_INIT_OPTIONS
1933 #undef LANG_HOOKS_INIT_OPTIONS_STRUCT
1934 #undef LANG_HOOKS_OPTION_LANG_MASK
1935 #undef LANG_HOOKS_HANDLE_OPTION
1936 #undef LANG_HOOKS_POST_OPTIONS
1937 #undef LANG_HOOKS_PARSE_FILE
1938 #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
1939 #undef LANG_HOOKS_ATTRIBUTE_TABLE
1940 #undef LANG_HOOKS_GET_ALIAS_SET
1941 #undef LANG_HOOKS_TYPES_COMPATIBLE_P
1942 #undef LANG_HOOKS_BUILTIN_FUNCTION
1943 #undef LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE
1944 #undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
1945 #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
1946 #undef LANG_HOOKS_GIMPLIFY_EXPR
1947 #undef LANG_HOOKS_CLASSIFY_RECORD
1948 #undef LANG_HOOKS_TREE_SIZE
1949 #undef LANG_HOOKS_PRINT_XNODE
1950 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
1951 #undef LANG_HOOKS_EH_PERSONALITY
1952 #undef LANG_HOOKS_EH_RUNTIME_TYPE
1953 #undef LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE
1954 #undef LANG_HOOKS_PUSHDECL
1955 #undef LANG_HOOKS_GETDECLS
1956 #undef LANG_HOOKS_GLOBAL_BINDINGS_P
1957 #undef LANG_HOOKS_TYPE_FOR_MODE
1958 #undef LANG_HOOKS_TYPE_FOR_SIZE
1959 #undef LANG_HOOKS_TYPE_PROMOTES_TO
1960 #undef LANG_HOOKS_GET_SARIF_SOURCE_LANGUAGE
1962 #define LANG_HOOKS_NAME "GNU D"
1963 #define LANG_HOOKS_INIT d_init
1964 #define LANG_HOOKS_INIT_TS d_init_ts
1965 #define LANG_HOOKS_INIT_OPTIONS d_init_options
1966 #define LANG_HOOKS_INIT_OPTIONS_STRUCT d_init_options_struct
1967 #define LANG_HOOKS_OPTION_LANG_MASK d_option_lang_mask
1968 #define LANG_HOOKS_HANDLE_OPTION d_handle_option
1969 #define LANG_HOOKS_POST_OPTIONS d_post_options
1970 #define LANG_HOOKS_PARSE_FILE d_parse_file
1971 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE d_langhook_common_attribute_table
1972 #define LANG_HOOKS_ATTRIBUTE_TABLE d_langhook_attribute_table
1973 #define LANG_HOOKS_GET_ALIAS_SET d_get_alias_set
1974 #define LANG_HOOKS_TYPES_COMPATIBLE_P d_types_compatible_p
1975 #define LANG_HOOKS_BUILTIN_FUNCTION d_builtin_function
1976 #define LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE d_builtin_function_ext_scope
1977 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE d_register_builtin_type
1978 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL d_finish_incomplete_decl
1979 #define LANG_HOOKS_GIMPLIFY_EXPR d_gimplify_expr
1980 #define LANG_HOOKS_CLASSIFY_RECORD d_classify_record
1981 #define LANG_HOOKS_TREE_SIZE d_tree_size
1982 #define LANG_HOOKS_PRINT_XNODE d_print_xnode
1983 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL d_dup_lang_specific_decl
1984 #define LANG_HOOKS_EH_PERSONALITY d_eh_personality
1985 #define LANG_HOOKS_EH_RUNTIME_TYPE d_build_eh_runtime_type
1986 #define LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE d_enum_underlying_base_type
1987 #define LANG_HOOKS_PUSHDECL d_pushdecl
1988 #define LANG_HOOKS_GETDECLS d_getdecls
1989 #define LANG_HOOKS_GLOBAL_BINDINGS_P d_global_bindings_p
1990 #define LANG_HOOKS_TYPE_FOR_MODE d_type_for_mode
1991 #define LANG_HOOKS_TYPE_FOR_SIZE d_type_for_size
1992 #define LANG_HOOKS_TYPE_PROMOTES_TO d_type_promotes_to
1993 #define LANG_HOOKS_GET_SARIF_SOURCE_LANGUAGE d_get_sarif_source_language
1995 struct lang_hooks lang_hooks
= LANG_HOOKS_INITIALIZER
;
1997 #include "gt-d-d-lang.h"
1998 #include "gtype-d.h"