1 /* Definitions for -*- C++ -*- parsing and type checking.
2 Copyright (C) 1987-2022 Free Software Foundation, Inc.
3 Contributed by Michael Tiemann (tiemann@cygnus.com)
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
25 #include "hard-reg-set.h"
29 /* In order for the format checking to accept the C++ front end
30 diagnostic framework extensions, you must include this file before
31 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
34 #define GCC_DIAG_STYLE __gcc_cxxdiag__
35 #if defined(GCC_DIAGNOSTIC_CORE_H) || defined (GCC_C_COMMON_H)
37 In order for the format checking to accept the C++ front end diagnostic \
38 framework extensions, you must include this file before diagnostic-core.h and \
39 c-common.h, not after.
41 #include "c-family/c-common.h"
42 #include "diagnostic.h"
44 /* A tree node, together with a location, so that we can track locations
45 (and ranges) during parsing.
47 The location is redundant for node kinds that have locations,
48 but not all node kinds do (e.g. constants, and references to
49 params, locals, etc), so we stash a copy here. */
51 extern location_t
cp_expr_location (const_tree
);
57 m_value (NULL
), m_loc (UNKNOWN_LOCATION
),
61 cp_expr (tree value
) :
62 m_value (value
), m_loc (cp_expr_location (m_value
)),
66 cp_expr (tree value
, location_t loc
):
67 m_value (value
), m_loc (loc
), m_decimal (false)
69 protected_set_expr_location (value
, loc
);
72 cp_expr (tree value
, location_t loc
, bool decimal
):
73 m_value (value
), m_loc (loc
), m_decimal (decimal
)
75 protected_set_expr_location (value
, loc
);
78 /* Implicit conversions to tree. */
79 operator tree () const { return m_value
; }
80 tree
& operator* () { return m_value
; }
81 tree
operator* () const { return m_value
; }
82 tree
& operator-> () { return m_value
; }
83 tree
operator-> () const { return m_value
; }
85 tree
get_value () const { return m_value
; }
86 location_t
get_location () const { return m_loc
; }
87 location_t
get_start () const
89 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
90 return src_range
.m_start
;
92 location_t
get_finish () const
94 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
95 return src_range
.m_finish
;
98 void set_location (location_t loc
)
100 protected_set_expr_location (m_value
, loc
);
104 void set_range (location_t start
, location_t finish
)
106 set_location (make_location (m_loc
, start
, finish
));
109 cp_expr
& maybe_add_location_wrapper ()
111 m_value
= maybe_wrap_with_location (m_value
, m_loc
);
115 bool decimal_p () const { return m_decimal
; }
124 operator == (const cp_expr
&lhs
, tree rhs
)
126 return lhs
.get_value () == rhs
;
133 CPTI_VTABLE_ENTRY_TYPE
,
135 CPTI_VTABLE_INDEX_TYPE
,
142 CPTI_EXPLICIT_VOID_LIST
,
150 CPTI_CTOR_IDENTIFIER
,
151 CPTI_COMPLETE_CTOR_IDENTIFIER
,
152 CPTI_BASE_CTOR_IDENTIFIER
,
153 CPTI_DTOR_IDENTIFIER
,
154 CPTI_COMPLETE_DTOR_IDENTIFIER
,
155 CPTI_BASE_DTOR_IDENTIFIER
,
156 CPTI_DELETING_DTOR_IDENTIFIER
,
157 CPTI_CONV_OP_IDENTIFIER
,
158 CPTI_DELTA_IDENTIFIER
,
159 CPTI_IN_CHARGE_IDENTIFIER
,
160 CPTI_VTT_PARM_IDENTIFIER
,
161 CPTI_AS_BASE_IDENTIFIER
,
162 CPTI_THIS_IDENTIFIER
,
164 CPTI_VPTR_IDENTIFIER
,
165 CPTI_GLOBAL_IDENTIFIER
,
166 CPTI_ANON_IDENTIFIER
,
167 CPTI_AUTO_IDENTIFIER
,
168 CPTI_DECLTYPE_AUTO_IDENTIFIER
,
169 CPTI_INIT_LIST_IDENTIFIER
,
170 CPTI_FOR_RANGE__IDENTIFIER
,
171 CPTI_FOR_BEGIN__IDENTIFIER
,
172 CPTI_FOR_END__IDENTIFIER
,
173 CPTI_FOR_RANGE_IDENTIFIER
,
174 CPTI_FOR_BEGIN_IDENTIFIER
,
175 CPTI_FOR_END_IDENTIFIER
,
176 CPTI_ABI_TAG_IDENTIFIER
,
177 CPTI_ALIGNED_IDENTIFIER
,
178 CPTI_BEGIN_IDENTIFIER
,
182 CPTI_TUPLE_ELEMENT_IDENTIFIER
,
183 CPTI_TUPLE_SIZE_IDENTIFIER
,
184 CPTI_TYPE_IDENTIFIER
,
185 CPTI_VALUE_IDENTIFIER
,
187 CPTI_CLOSURE_IDENTIFIER
,
188 CPTI_HEAP_UNINIT_IDENTIFIER
,
189 CPTI_HEAP_IDENTIFIER
,
190 CPTI_HEAP_DELETED_IDENTIFIER
,
191 CPTI_HEAP_VEC_UNINIT_IDENTIFIER
,
192 CPTI_HEAP_VEC_IDENTIFIER
,
196 CPTI_LANG_NAME_CPLUSPLUS
,
198 CPTI_EMPTY_EXCEPT_SPEC
,
199 CPTI_NOEXCEPT_TRUE_SPEC
,
200 CPTI_NOEXCEPT_FALSE_SPEC
,
201 CPTI_NOEXCEPT_DEFERRED_SPEC
,
206 /* Nodes after here change during compilation, or should not be in
207 the module's global tree table. Such nodes must be locatable
208 via name lookup or type-construction, as those are the only
209 cross-TU matching capabilities remaining. */
211 /* We must find these via the global namespace. */
215 /* These are created at init time, but the library/headers provide
219 CPTI_CALL_UNEXPECTED_FN
,
221 /* These are lazily inited. */
222 CPTI_CONST_TYPE_INFO_TYPE
,
223 CPTI_GET_EXCEPTION_PTR_FN
,
226 CPTI_ALLOCATE_EXCEPTION_FN
,
227 CPTI_FREE_EXCEPTION_FN
,
230 CPTI_ATEXIT_FN_PTR_TYPE
,
235 CPTI_SOURCE_LOCATION_IMPL
,
237 CPTI_FALLBACK_DFLOAT32_TYPE
,
238 CPTI_FALLBACK_DFLOAT64_TYPE
,
239 CPTI_FALLBACK_DFLOAT128_TYPE
,
244 extern GTY(()) tree cp_global_trees
[CPTI_MAX
];
246 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
247 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
248 /* The type used to represent an offset by which to adjust the `this'
249 pointer in pointer-to-member types. */
250 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
251 /* The type used to represent an index into the vtable. */
252 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
254 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
255 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
256 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
257 #define explicit_void_list_node cp_global_trees[CPTI_EXPLICIT_VOID_LIST]
258 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
259 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
260 #define std_node cp_global_trees[CPTI_STD]
261 #define abi_node cp_global_trees[CPTI_ABI]
262 #define global_namespace cp_global_trees[CPTI_GLOBAL]
263 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
264 #define conv_op_marker cp_global_trees[CPTI_CONV_OP_MARKER]
265 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
266 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
267 /* std::align_val_t */
268 #define align_type_node cp_global_trees[CPTI_ALIGN_TYPE]
270 /* We cache these tree nodes so as to call get_identifier less frequently.
271 For identifiers for functions, including special member functions such
272 as ctors and assignment operators, the nodes can be used (among other
273 things) to iterate over their overloads defined by/for a type. For
276 tree ovlid = assign_op_identifier;
277 tree overloads = get_class_binding (type, ovlid);
278 for (ovl_iterator it (overloads); it; ++it) { ... }
280 iterates over the set of implicitly and explicitly defined overloads
281 of the assignment operator for type (including the copy and move
282 assignment operators, whether deleted or not). */
284 /* The name of a constructor that takes an in-charge parameter to
285 decide whether or not to construct virtual base classes. */
286 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
287 /* The name of a constructor that constructs virtual base classes. */
288 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
289 /* The name of a constructor that does not construct virtual base classes. */
290 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
291 /* The name of a destructor that takes an in-charge parameter to
292 decide whether or not to destroy virtual base classes and whether
293 or not to delete the object. */
294 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
295 /* The name of a destructor that destroys virtual base classes. */
296 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
297 /* The name of a destructor that does not destroy virtual base
299 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
300 /* The name of a destructor that destroys virtual base classes, and
301 then deletes the entire object. */
302 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
304 /* The name used for conversion operators -- but note that actual
305 conversion functions use special identifiers outside the identifier
307 #define conv_op_identifier cp_global_trees[CPTI_CONV_OP_IDENTIFIER]
309 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
310 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
311 /* The name of the parameter that contains a pointer to the VTT to use
312 for this subobject constructor or destructor. */
313 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
314 #define as_base_identifier cp_global_trees[CPTI_AS_BASE_IDENTIFIER]
315 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
316 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
317 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
318 /* The name of the ::, std & anon namespaces. */
319 #define global_identifier cp_global_trees[CPTI_GLOBAL_IDENTIFIER]
320 #define anon_identifier cp_global_trees[CPTI_ANON_IDENTIFIER]
321 /* auto and declspec(auto) identifiers. */
322 #define auto_identifier cp_global_trees[CPTI_AUTO_IDENTIFIER]
323 #define decltype_auto_identifier cp_global_trees[CPTI_DECLTYPE_AUTO_IDENTIFIER]
324 #define init_list_identifier cp_global_trees[CPTI_INIT_LIST_IDENTIFIER]
325 #define for_range__identifier cp_global_trees[CPTI_FOR_RANGE__IDENTIFIER]
326 #define for_begin__identifier cp_global_trees[CPTI_FOR_BEGIN__IDENTIFIER]
327 #define for_end__identifier cp_global_trees[CPTI_FOR_END__IDENTIFIER]
328 #define for_range_identifier cp_global_trees[CPTI_FOR_RANGE_IDENTIFIER]
329 #define for_begin_identifier cp_global_trees[CPTI_FOR_BEGIN_IDENTIFIER]
330 #define for_end_identifier cp_global_trees[CPTI_FOR_END_IDENTIFIER]
331 #define abi_tag_identifier cp_global_trees[CPTI_ABI_TAG_IDENTIFIER]
332 #define aligned_identifier cp_global_trees[CPTI_ALIGNED_IDENTIFIER]
333 #define begin_identifier cp_global_trees[CPTI_BEGIN_IDENTIFIER]
334 #define end_identifier cp_global_trees[CPTI_END_IDENTIFIER]
335 #define get__identifier cp_global_trees[CPTI_GET_IDENTIFIER]
336 #define gnu_identifier cp_global_trees[CPTI_GNU_IDENTIFIER]
337 #define tuple_element_identifier cp_global_trees[CPTI_TUPLE_ELEMENT_IDENTIFIER]
338 #define tuple_size_identifier cp_global_trees[CPTI_TUPLE_SIZE_IDENTIFIER]
339 #define type_identifier cp_global_trees[CPTI_TYPE_IDENTIFIER]
340 #define value_identifier cp_global_trees[CPTI_VALUE_IDENTIFIER]
341 #define fun_identifier cp_global_trees[CPTI_FUN_IDENTIFIER]
342 #define closure_identifier cp_global_trees[CPTI_CLOSURE_IDENTIFIER]
343 #define heap_uninit_identifier cp_global_trees[CPTI_HEAP_UNINIT_IDENTIFIER]
344 #define heap_identifier cp_global_trees[CPTI_HEAP_IDENTIFIER]
345 #define heap_deleted_identifier cp_global_trees[CPTI_HEAP_DELETED_IDENTIFIER]
346 #define heap_vec_uninit_identifier cp_global_trees[CPTI_HEAP_VEC_UNINIT_IDENTIFIER]
347 #define heap_vec_identifier cp_global_trees[CPTI_HEAP_VEC_IDENTIFIER]
348 #define omp_identifier cp_global_trees[CPTI_OMP_IDENTIFIER]
349 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
350 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
352 /* Exception specifiers used for throw(), noexcept(true),
353 noexcept(false) and deferred noexcept. We rely on these being
355 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
356 #define noexcept_true_spec cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
357 #define noexcept_false_spec cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
358 #define noexcept_deferred_spec cp_global_trees[CPTI_NOEXCEPT_DEFERRED_SPEC]
360 /* Exception handling function declarations. */
361 #define terminate_fn cp_global_trees[CPTI_TERMINATE_FN]
362 #define call_unexpected_fn cp_global_trees[CPTI_CALL_UNEXPECTED_FN]
363 #define get_exception_ptr_fn cp_global_trees[CPTI_GET_EXCEPTION_PTR_FN]
364 #define begin_catch_fn cp_global_trees[CPTI_BEGIN_CATCH_FN]
365 #define end_catch_fn cp_global_trees[CPTI_END_CATCH_FN]
366 #define allocate_exception_fn cp_global_trees[CPTI_ALLOCATE_EXCEPTION_FN]
367 #define free_exception_fn cp_global_trees[CPTI_FREE_EXCEPTION_FN]
368 #define throw_fn cp_global_trees[CPTI_THROW_FN]
369 #define rethrow_fn cp_global_trees[CPTI_RETHROW_FN]
371 /* The type of the function-pointer argument to "__cxa_atexit" (or
372 "std::atexit", if "__cxa_atexit" is not being used). */
373 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
375 /* A pointer to `std::atexit'. */
376 #define atexit_node cp_global_trees[CPTI_ATEXIT]
378 /* A pointer to `__dso_handle'. */
379 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
381 /* The declaration of the dynamic_cast runtime. */
382 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
384 /* The type of a destructor. */
385 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
387 /* The type of the vtt parameter passed to subobject constructors and
389 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
391 /* A node which matches any template argument. */
392 #define any_targ_node cp_global_trees[CPTI_ANY_TARG]
394 /* std::source_location::__impl class. */
395 #define source_location_impl cp_global_trees[CPTI_SOURCE_LOCATION_IMPL]
397 /* Node to indicate default access. This must be distinct from the
398 access nodes in tree.h. */
400 #define access_default_node null_node
402 /* Variant of dfloat{32,64,128}_type_node only used for fundamental
403 rtti purposes if DFP is disabled. */
404 #define fallback_dfloat32_type cp_global_trees[CPTI_FALLBACK_DFLOAT32_TYPE]
405 #define fallback_dfloat64_type cp_global_trees[CPTI_FALLBACK_DFLOAT64_TYPE]
406 #define fallback_dfloat128_type cp_global_trees[CPTI_FALLBACK_DFLOAT128_TYPE]
409 #include "name-lookup.h"
411 /* Usage of TREE_LANG_FLAG_?:
412 0: IDENTIFIER_KIND_BIT_0 (in IDENTIFIER_NODE)
413 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
414 COND_EXPR_IS_VEC_DELETE (in COND_EXPR).
415 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
416 CLEANUP_P (in TRY_BLOCK)
417 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
418 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF, SCOPE_REF)
419 PAREN_STRING_LITERAL_P (in STRING_CST)
420 CP_DECL_THREAD_LOCAL_P (in VAR_DECL)
421 KOENIG_LOOKUP_P (in CALL_EXPR)
422 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
423 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
424 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
425 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
426 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
427 OMP_FOR_GIMPLIFYING_P (in OMP_FOR, OMP_SIMD, OMP_DISTRIBUTE,
429 BASELINK_QUALIFIED_P (in BASELINK)
430 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
431 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
432 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
433 ABI_TAG_IMPLICIT (in the TREE_LIST for the argument of abi_tag)
434 LAMBDA_CAPTURE_EXPLICIT_P (in a TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST)
435 PARENTHESIZED_LIST_P (in the TREE_LIST for a parameter-declaration-list)
436 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
437 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
438 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
439 VEC_INIT_EXPR_IS_CONSTEXPR (in VEC_INIT_EXPR)
440 DECL_OVERRIDE_P (in FUNCTION_DECL)
441 IMPLICIT_CONV_EXPR_DIRECT_INIT (in IMPLICIT_CONV_EXPR)
442 TRANSACTION_EXPR_IS_STMT (in TRANSACTION_EXPR)
443 CONVERT_EXPR_VBASE_PATH (in CONVERT_EXPR)
444 PACK_EXPANSION_LOCAL_P (in *_PACK_EXPANSION)
445 TINFO_HAS_ACCESS_ERRORS (in TEMPLATE_INFO)
446 SIZEOF_EXPR_TYPE_P (in SIZEOF_EXPR)
447 COMPOUND_REQ_NOEXCEPT_P (in COMPOUND_REQ)
448 WILDCARD_PACK_P (in WILDCARD_DECL)
449 BLOCK_OUTER_CURLY_BRACE_P (in BLOCK)
450 FOLD_EXPR_MODOP_P (*_FOLD_EXPR)
451 IF_STMT_CONSTEXPR_P (IF_STMT)
452 DECL_NAMESPACE_INLINE_P (in NAMESPACE_DECL)
453 SWITCH_STMT_ALL_CASES_P (in SWITCH_STMT)
454 REINTERPRET_CAST_P (in NOP_EXPR)
455 ALIGNOF_EXPR_STD_P (in ALIGNOF_EXPR)
456 OVL_DEDUP_P (in OVERLOAD)
457 ATOMIC_CONSTR_MAP_INSTANTIATED_P (in ATOMIC_CONSTR)
458 1: IDENTIFIER_KIND_BIT_1 (in IDENTIFIER_NODE)
459 TI_PENDING_TEMPLATE_FLAG.
460 TEMPLATE_PARMS_FOR_INLINE.
461 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
462 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
463 ICS_ELLIPSIS_FLAG (in _CONV)
464 DECL_INITIALIZED_P (in VAR_DECL)
465 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
466 STMT_IS_FULL_EXPR_P (in _STMT)
467 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
468 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
469 DECL_FINAL_P (in FUNCTION_DECL)
470 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
471 CONSTRUCTOR_IS_DEPENDENT (in CONSTRUCTOR)
472 TINFO_USED_TEMPLATE_ID (in TEMPLATE_INFO)
473 PACK_EXPANSION_SIZEOF_P (in *_PACK_EXPANSION)
474 OVL_USING_P (in OVERLOAD)
475 IMPLICIT_CONV_EXPR_NONTYPE_ARG (in IMPLICIT_CONV_EXPR)
476 BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P (in BASELINK)
477 BIND_EXPR_VEC_DTOR (in BIND_EXPR)
478 ATOMIC_CONSTR_EXPR_FROM_CONCEPT_P (in ATOMIC_CONSTR)
479 2: IDENTIFIER_KIND_BIT_2 (in IDENTIFIER_NODE)
480 ICS_THIS_FLAG (in _CONV)
481 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
482 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
483 TYPENAME_IS_RESOLVING_P (in TYPENAME_TYPE)
484 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
485 FNDECL_USED_AUTO (in FUNCTION_DECL)
486 DECLTYPE_FOR_LAMBDA_PROXY (in DECLTYPE_TYPE)
487 REF_PARENTHESIZED_P (in COMPONENT_REF, INDIRECT_REF, SCOPE_REF,
488 VIEW_CONVERT_EXPR, PAREN_EXPR)
489 AGGR_INIT_ZERO_FIRST (in AGGR_INIT_EXPR)
490 CONSTRUCTOR_MUTABLE_POISON (in CONSTRUCTOR)
491 OVL_HIDDEN_P (in OVERLOAD)
492 IF_STMT_CONSTEVAL_P (in IF_STMT)
493 SWITCH_STMT_NO_BREAK_P (in SWITCH_STMT)
494 LAMBDA_EXPR_CAPTURE_OPTIMIZED (in LAMBDA_EXPR)
495 IMPLICIT_CONV_EXPR_BRACED_INIT (in IMPLICIT_CONV_EXPR)
496 PACK_EXPANSION_AUTO_P (in *_PACK_EXPANSION)
497 3: IMPLICIT_RVALUE_P (in NON_LVALUE_EXPR or STATIC_CAST_EXPR)
498 ICS_BAD_FLAG (in _CONV)
499 FN_TRY_BLOCK_P (in TRY_BLOCK)
500 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
501 CALL_EXPR_ORDERED_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
502 DECLTYPE_FOR_REF_CAPTURE (in DECLTYPE_TYPE)
503 CONSTRUCTOR_C99_COMPOUND_LITERAL (in CONSTRUCTOR)
504 OVL_NESTED_P (in OVERLOAD)
505 DECL_MODULE_EXPORT_P (in _DECL)
506 PACK_EXPANSION_FORCE_EXTRA_ARGS_P (in *_PACK_EXPANSION)
507 LAMBDA_EXPR_STATIC_P (in LAMBDA_EXPR)
508 TARGET_EXPR_ELIDING_P (in TARGET_EXPR)
509 4: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
510 TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
511 CALL_EXPR, or FIELD_DECL).
512 DECL_TINFO_P (in VAR_DECL, TYPE_DECL)
513 FUNCTION_REF_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
514 OVL_LOOKUP_P (in OVERLOAD)
515 LOOKUP_FOUND_P (in RECORD_TYPE, UNION_TYPE, ENUMERAL_TYPE, NAMESPACE_DECL)
516 FNDECL_MANIFESTLY_CONST_EVALUATED (in FUNCTION_DECL)
517 5: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
518 FUNCTION_RVALUE_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
519 CALL_EXPR_REVERSE_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
520 CONSTRUCTOR_PLACEHOLDER_BOUNDARY (in CONSTRUCTOR)
521 OVL_EXPORT_P (in OVERLOAD)
522 DECL_NTTP_OBJECT_P (in VAR_DECL)
523 6: TYPE_MARKED_P (in _TYPE)
524 DECL_NONTRIVIALLY_INITIALIZED_P (in VAR_DECL)
525 RANGE_FOR_IVDEP (in RANGE_FOR_STMT)
526 CALL_EXPR_OPERATOR_SYNTAX (in CALL_EXPR, AGGR_INIT_EXPR)
527 CONSTRUCTOR_IS_DESIGNATED_INIT (in CONSTRUCTOR)
529 Usage of TYPE_LANG_FLAG_?:
531 1: TYPE_HAS_USER_CONSTRUCTOR.
532 2: TYPE_HAS_LATE_RETURN_TYPE (in FUNCTION_TYPE, METHOD_TYPE)
533 TYPE_PTRMEMFUNC_FLAG (in RECORD_TYPE)
534 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
535 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
536 ENUM_FIXED_UNDERLYING_TYPE_P (in ENUMERAL_TYPE)
537 AUTO_IS_DECLTYPE (in TEMPLATE_TYPE_PARM)
538 6: TYPE_DEPENDENT_P_VALID
540 Usage of DECL_LANG_FLAG_?:
541 0: DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
542 DECL_LOCAL_DECL_P (in FUNCTION_DECL, VAR_DECL)
543 DECL_MUTABLE_P (in FIELD_DECL)
544 DECL_DEPENDENT_P (in USING_DECL)
545 LABEL_DECL_BREAK (in LABEL_DECL)
546 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
547 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
548 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
549 USING_DECL_TYPENAME_P (in USING_DECL)
550 DECL_VLA_CAPTURE_P (in FIELD_DECL)
551 DECL_ARRAY_PARAMETER_P (in PARM_DECL)
552 LABEL_DECL_CONTINUE (in LABEL_DECL)
553 2: DECL_THIS_EXTERN (in VAR_DECL, FUNCTION_DECL or PARM_DECL)
554 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
555 DECL_CONSTRAINT_VAR_P (in a PARM_DECL)
556 TEMPLATE_DECL_COMPLEX_ALIAS_P (in TEMPLATE_DECL)
557 DECL_INSTANTIATING_NSDMI_P (in a FIELD_DECL)
558 USING_DECL_UNRELATED_P (in USING_DECL)
560 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
561 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
562 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
563 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
564 DECL_UNINSTANIATED_TEMPLATE_FRIEND_P (in TEMPLATE_DECL)
565 5: DECL_INTERFACE_KNOWN.
566 6: DECL_THIS_STATIC (in VAR_DECL, FUNCTION_DECL or PARM_DECL)
567 DECL_FIELD_IS_BASE (in FIELD_DECL)
568 TYPE_DECL_ALIAS_P (in TYPE_DECL)
569 7: DECL_THUNK_P (in a member FUNCTION_DECL)
570 DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
571 DECL_DECLARED_CONSTINIT_P (in VAR_DECL)
572 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
574 Usage of language-independent fields in a language-dependent manner:
577 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
578 forth as a substitute for the mark bits provided in `lang_type'.
579 At present, only the six low-order bits are used.
582 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS.
583 For a POINTER_TYPE (to a METHOD_TYPE), this is TYPE_PTRMEMFUNC_TYPE.
584 For an ENUMERAL_TYPE, BOUND_TEMPLATE_TEMPLATE_PARM_TYPE,
585 RECORD_TYPE or UNION_TYPE this is TYPE_TEMPLATE_INFO,
588 For a binfo, this is a TREE_LIST. There is an entry for each
589 virtual function declared either in BINFO or its direct and
590 indirect primary bases.
592 The BV_DELTA of each node gives the amount by which to adjust the
593 `this' pointer when calling the function. If the method is an
594 overridden version of a base class method, then it is assumed
595 that, prior to adjustment, the this pointer points to an object
598 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
599 index of the vcall offset for this entry.
601 The BV_FN is the declaration for the virtual function itself.
603 If BV_LOST_PRIMARY is set, it means that this entry is for a lost
604 primary virtual base and can be left null in the vtable.
607 This is an expression with POINTER_TYPE that gives the value
608 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
609 to extract the VAR_DECL for the complete vtable.
612 This field is NULL for a non-virtual function. For a virtual
613 function, it is eventually set to an INTEGER_CST indicating the
614 index in the vtable at which this function can be found. When
615 a virtual function is declared, but before it is known what
616 function is overridden, this field is the error_mark_node.
618 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
619 the virtual function this one overrides, and whose TREE_CHAIN is
620 the old DECL_VINDEX. */
622 /* Language-specific tree checkers. */
624 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
625 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
627 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK(NODE) \
628 TREE_CHECK3(NODE,TYPE_DECL,TEMPLATE_DECL,FUNCTION_DECL)
630 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_P(NODE) \
631 (TREE_CODE (NODE) == TYPE_DECL || TREE_CODE (NODE) == TEMPLATE_DECL \
632 || TREE_CODE (NODE) == FUNCTION_DECL)
634 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
635 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
637 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
638 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
640 #define VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK(NODE) \
641 TREE_CHECK5(NODE,VAR_DECL,FIELD_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
643 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
644 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
646 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
648 /* Returns t iff the node can have a TEMPLATE_INFO field. */
651 template_info_decl_check (const_tree t
, const char* f
, int l
, const char* fn
)
653 switch (TREE_CODE (t
))
661 return const_cast<tree
>(t
);
665 tree_check_failed (t
, f
, l
, fn
,
666 VAR_DECL
, FUNCTION_DECL
, FIELD_DECL
, TYPE_DECL
,
667 CONCEPT_DECL
, TEMPLATE_DECL
, 0);
671 #define TEMPLATE_INFO_DECL_CHECK(NODE) \
672 template_info_decl_check ((NODE), __FILE__, __LINE__, __FUNCTION__)
674 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
675 ({ __typeof (NODE) const __t = (NODE); \
676 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
677 || !__t->decl_common.lang_specific->u.fn.thunk_p) \
678 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
681 #else /* ENABLE_TREE_CHECKING */
683 #define TEMPLATE_INFO_DECL_CHECK(NODE) (NODE)
684 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
686 #endif /* ENABLE_TREE_CHECKING */
688 /* Language-dependent contents of an identifier. */
690 struct GTY(()) lang_identifier
{
691 struct c_common_identifier c_common
;
692 cxx_binding
*bindings
;
695 /* Return a typed pointer version of T if it designates a
696 C++ front-end identifier. */
697 inline lang_identifier
*
698 identifier_p (tree t
)
700 if (TREE_CODE (t
) == IDENTIFIER_NODE
)
701 return (lang_identifier
*) t
;
705 #define LANG_IDENTIFIER_CAST(NODE) \
706 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
708 struct GTY(()) template_parm_index
{
709 struct tree_common common
;
716 struct GTY(()) ptrmem_cst
{
717 struct tree_common common
;
721 typedef struct ptrmem_cst
* ptrmem_cst_t
;
723 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
725 #define BIND_EXPR_TRY_BLOCK(NODE) \
726 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
728 /* This BIND_EXPR is from build_vec_delete_1. */
729 #define BIND_EXPR_VEC_DTOR(NODE) \
730 TREE_LANG_FLAG_1 (BIND_EXPR_CHECK (NODE))
732 /* Used to mark the block around the member initializers and cleanups. */
733 #define BIND_EXPR_BODY_BLOCK(NODE) \
734 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
735 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
736 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE) \
737 || LAMBDA_FUNCTION_P (NODE))
739 #define STATEMENT_LIST_NO_SCOPE(NODE) \
740 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
741 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
742 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
744 /* Mark the outer curly brace BLOCK. */
745 #define BLOCK_OUTER_CURLY_BRACE_P(NODE) TREE_LANG_FLAG_0 (BLOCK_CHECK (NODE))
747 /* Nonzero if this statement should be considered a full-expression,
748 i.e., if temporaries created during this statement should have
749 their destructors run at the end of this statement. */
750 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
752 /* Marks the result of a statement expression. */
753 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
754 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
756 /* Nonzero if this statement-expression does not have an associated scope. */
757 #define STMT_EXPR_NO_SCOPE(NODE) \
758 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
760 #define COND_EXPR_IS_VEC_DELETE(NODE) \
761 TREE_LANG_FLAG_0 (COND_EXPR_CHECK (NODE))
763 /* Nonzero if this NOP_EXPR is a reinterpret_cast. Such conversions
764 are not constexprs. Other NOP_EXPRs are. */
765 #define REINTERPRET_CAST_P(NODE) \
766 TREE_LANG_FLAG_0 (NOP_EXPR_CHECK (NODE))
768 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
770 #define same_type_p(TYPE1, TYPE2) \
771 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
773 /* Returns nonzero iff NODE is a declaration for the global function
775 #define DECL_MAIN_P(NODE) \
776 (DECL_EXTERN_C_FUNCTION_P (NODE) \
777 && DECL_NAME (NODE) != NULL_TREE \
778 && MAIN_NAME_P (DECL_NAME (NODE)) \
781 /* Lookup walker marking. */
782 #define LOOKUP_SEEN_P(NODE) TREE_VISITED (NODE)
783 #define LOOKUP_FOUND_P(NODE) \
784 TREE_LANG_FLAG_4 (TREE_CHECK4 (NODE,RECORD_TYPE,UNION_TYPE,ENUMERAL_TYPE,\
787 /* These two accessors should only be used by OVL manipulators.
788 Other users should use iterators and convenience functions. */
789 #define OVL_FUNCTION(NODE) \
790 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
791 #define OVL_CHAIN(NODE) \
792 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->common.chain)
794 /* If set, this or a subsequent overload contains decls that need deduping. */
795 #define OVL_DEDUP_P(NODE) TREE_LANG_FLAG_0 (OVERLOAD_CHECK (NODE))
796 /* If set, this was imported in a using declaration. */
797 #define OVL_USING_P(NODE) TREE_LANG_FLAG_1 (OVERLOAD_CHECK (NODE))
798 /* If set, this overload is a hidden decl. */
799 #define OVL_HIDDEN_P(NODE) TREE_LANG_FLAG_2 (OVERLOAD_CHECK (NODE))
800 /* If set, this overload contains a nested overload. */
801 #define OVL_NESTED_P(NODE) TREE_LANG_FLAG_3 (OVERLOAD_CHECK (NODE))
802 /* If set, this overload was constructed during lookup. */
803 #define OVL_LOOKUP_P(NODE) TREE_LANG_FLAG_4 (OVERLOAD_CHECK (NODE))
804 /* If set, this OVL_USING_P overload is exported. */
805 #define OVL_EXPORT_P(NODE) TREE_LANG_FLAG_5 (OVERLOAD_CHECK (NODE))
807 /* The first decl of an overload. */
808 #define OVL_FIRST(NODE) ovl_first (NODE)
809 /* The name of the overload set. */
810 #define OVL_NAME(NODE) DECL_NAME (OVL_FIRST (NODE))
812 /* Whether this is a set of overloaded functions. TEMPLATE_DECLS are
813 always wrapped in an OVERLOAD, so we don't need to check them
815 #define OVL_P(NODE) \
816 (TREE_CODE (NODE) == FUNCTION_DECL || TREE_CODE (NODE) == OVERLOAD)
817 /* Whether this is a single member overload. */
818 #define OVL_SINGLE_P(NODE) \
819 (TREE_CODE (NODE) != OVERLOAD || !OVL_CHAIN (NODE))
821 /* OVL_HIDDEN_P nodes come before other nodes. */
823 struct GTY(()) tree_overload
{
824 struct tree_common common
;
828 /* Iterator for a 1 dimensional overload. Permits iterating over the
829 outer level of a 2-d overload when explicitly enabled. */
833 const bool allow_inner
; /* Only used when checking. */
836 explicit ovl_iterator (tree o
, bool allow
= false)
837 : ovl (o
), allow_inner (allow
)
842 operator bool () const
846 ovl_iterator
&operator++ ()
848 ovl
= TREE_CODE (ovl
) != OVERLOAD
? NULL_TREE
: OVL_CHAIN (ovl
);
851 tree
operator* () const
853 tree fn
= TREE_CODE (ovl
) != OVERLOAD
? ovl
: OVL_FUNCTION (ovl
);
855 /* Check this is not an unexpected 2-dimensional overload. */
856 gcc_checking_assert (allow_inner
|| TREE_CODE (fn
) != OVERLOAD
);
860 bool operator== (const ovl_iterator
&o
) const
864 tree
get_using () const
866 gcc_checking_assert (using_p ());
871 /* Whether this overload was introduced by a using decl. */
872 bool using_p () const
874 return (TREE_CODE (ovl
) == USING_DECL
875 || (TREE_CODE (ovl
) == OVERLOAD
&& OVL_USING_P (ovl
)));
877 /* Whether this using is being exported. */
878 bool exporting_p () const
880 return OVL_EXPORT_P (get_using ());
883 bool hidden_p () const
885 return TREE_CODE (ovl
) == OVERLOAD
&& OVL_HIDDEN_P (ovl
);
889 tree
remove_node (tree head
)
891 return remove_node (head
, ovl
);
893 tree
reveal_node (tree head
)
895 return reveal_node (head
, ovl
);
899 /* If we have a nested overload, point at the inner overload and
900 return the next link on the outer one. */
905 if (ovl
&& TREE_CODE (ovl
) == OVERLOAD
&& OVL_NESTED_P (ovl
))
908 ovl
= OVL_FUNCTION (ovl
);
912 /* Restore an outer nested overload. */
913 void pop (tree outer
)
915 gcc_checking_assert (!ovl
);
920 /* We make these static functions to avoid the address of the
921 iterator escaping the local context. */
922 static tree
remove_node (tree head
, tree node
);
923 static tree
reveal_node (tree ovl
, tree node
);
926 /* Treat a tree as a range of ovl_iterator, e.g.
927 for (tree f : ovl_range (fns)) { ... } */
934 explicit ovl_range (tree t
, bool allow
= false): t(t
), allow(allow
) { }
935 ovl_iterator
begin() { return ovl_iterator (t
, allow
); }
936 ovl_iterator
end() { return ovl_iterator (NULL_TREE
, allow
); }
939 /* Iterator over a (potentially) 2 dimensional overload, which is
940 produced by name lookup. */
942 class lkp_iterator
: public ovl_iterator
{
943 typedef ovl_iterator parent
;
948 explicit lkp_iterator (tree o
)
949 : parent (o
, true), outer (maybe_push ())
954 lkp_iterator
&operator++ ()
956 bool repush
= !outer
;
958 if (!parent::operator++ () && !repush
)
965 outer
= maybe_push ();
971 /* Treat a tree as a range of lkp_iterator, e.g.
972 for (tree f : lkp_range (fns)) { ... } */
978 lkp_range (tree t
): t(t
) { }
979 lkp_iterator
begin() { return lkp_iterator (t
); }
980 lkp_iterator
end() { return lkp_iterator (NULL_TREE
); }
983 /* hash traits for declarations. Hashes potential overload sets via
986 struct named_decl_hash
: ggc_remove
<tree
> {
987 typedef tree value_type
; /* A DECL or OVERLOAD */
988 typedef tree compare_type
; /* An identifier. */
990 inline static hashval_t
hash (const value_type decl
);
991 inline static bool equal (const value_type existing
, compare_type candidate
);
993 static const bool empty_zero_p
= true;
994 static inline void mark_empty (value_type
&p
) {p
= NULL_TREE
;}
995 static inline bool is_empty (value_type p
) {return !p
;}
997 /* Nothing is deletable. Everything is insertable. */
998 static bool is_deleted (value_type
) { return false; }
999 static void mark_deleted (value_type
) { gcc_unreachable (); }
1002 /* Simplified unique_ptr clone to release a tree vec on exit. */
1007 typedef vec
<tree
, va_gc
> vec_t
;
1009 releasing_vec (vec_t
*v
): v(v
) { }
1010 releasing_vec (): v(make_tree_vector ()) { }
1012 /* Copy ops are deliberately declared but not defined,
1013 copies must always be elided. */
1014 releasing_vec (const releasing_vec
&);
1015 releasing_vec
&operator= (const releasing_vec
&);
1017 vec_t
&operator* () const { return *v
; }
1018 vec_t
*operator-> () const { return v
; }
1019 vec_t
*get() const { return v
; }
1020 operator vec_t
*() const { return v
; }
1021 vec_t
** operator& () { return &v
; }
1023 /* Breaks pointer/value consistency for convenience. This takes ptrdiff_t
1024 rather than unsigned to avoid ambiguity with the built-in operator[]
1025 (bootstrap/91828). */
1026 tree
& operator[] (ptrdiff_t i
) const { return (*v
)[i
]; }
1028 tree
*begin() { return ::begin (v
); }
1029 tree
*end() { return ::end (v
); }
1031 void release () { release_tree_vector (v
); v
= NULL
; }
1033 ~releasing_vec () { release_tree_vector (v
); }
1037 /* Forwarding functions for vec_safe_* that might reallocate. */
1038 inline tree
* vec_safe_push (releasing_vec
& r
, const tree
&t CXX_MEM_STAT_INFO
)
1039 { return vec_safe_push (*&r
, t PASS_MEM_STAT
); }
1040 inline bool vec_safe_reserve (releasing_vec
& r
, unsigned n
, bool e
= false CXX_MEM_STAT_INFO
)
1041 { return vec_safe_reserve (*&r
, n
, e PASS_MEM_STAT
); }
1042 inline unsigned vec_safe_length (releasing_vec
&r
)
1043 { return r
->length(); }
1044 inline void vec_safe_splice (releasing_vec
&r
, vec
<tree
, va_gc
> *p CXX_MEM_STAT_INFO
)
1045 { vec_safe_splice (*&r
, p PASS_MEM_STAT
); }
1046 void release_tree_vector (releasing_vec
&); // cause link error
1048 struct GTY(()) tree_template_decl
{
1049 struct tree_decl_common common
;
1054 /* Returns true iff NODE is a BASELINK. */
1055 #define BASELINK_P(NODE) \
1056 (TREE_CODE (NODE) == BASELINK)
1057 /* The BINFO indicating the base in which lookup found the
1058 BASELINK_FUNCTIONS. */
1059 #define BASELINK_BINFO(NODE) \
1060 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
1061 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
1062 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
1063 #define BASELINK_FUNCTIONS(NODE) \
1064 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
1065 /* If T is a BASELINK, grab the functions, otherwise just T, which is
1066 expected to already be a (list of) functions. */
1067 #define MAYBE_BASELINK_FUNCTIONS(T) \
1068 (BASELINK_P (T) ? BASELINK_FUNCTIONS (T) : T)
1069 /* The BINFO in which the search for the functions indicated by this baselink
1070 began. This base is used to determine the accessibility of functions
1071 selected by overload resolution. */
1072 #define BASELINK_ACCESS_BINFO(NODE) \
1073 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
1074 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
1075 to which the conversion should occur. This value is important if
1076 the BASELINK_FUNCTIONS include a template conversion operator --
1077 the BASELINK_OPTYPE can be used to determine what type the user
1079 #define BASELINK_OPTYPE(NODE) \
1080 (TREE_CHAIN (BASELINK_CHECK (NODE)))
1081 /* Nonzero if this baselink was from a qualified lookup. */
1082 #define BASELINK_QUALIFIED_P(NODE) \
1083 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
1084 /* Nonzero if the overload set for this baselink might be incomplete due
1085 to the lookup being performed from an incomplete-class context. */
1086 #define BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P(NODE) \
1087 TREE_LANG_FLAG_1 (BASELINK_CHECK (NODE))
1089 struct GTY(()) tree_baselink
{
1090 struct tree_common common
;
1096 /* The different kinds of ids that we encounter. */
1100 /* Not an id at all. */
1102 /* An unqualified-id that is not a template-id. */
1103 CP_ID_KIND_UNQUALIFIED
,
1104 /* An unqualified-id that is a dependent name. */
1105 CP_ID_KIND_UNQUALIFIED_DEPENDENT
,
1106 /* An unqualified template-id. */
1107 CP_ID_KIND_TEMPLATE_ID
,
1108 /* A qualified-id. */
1109 CP_ID_KIND_QUALIFIED
1113 /* The various kinds of C++0x warnings we encounter. */
1117 /* extended initializer lists */
1118 CPP0X_INITIALIZER_LISTS
,
1119 /* explicit conversion operators */
1120 CPP0X_EXPLICIT_CONVERSION
,
1121 /* variadic templates */
1122 CPP0X_VARIADIC_TEMPLATES
,
1123 /* lambda expressions */
1129 /* defaulted and deleted functions */
1130 CPP0X_DEFAULTED_DELETED
,
1131 /* inline namespaces */
1132 CPP0X_INLINE_NAMESPACES
,
1133 /* override controls, override/final */
1134 CPP0X_OVERRIDE_CONTROLS
,
1135 /* non-static data member initializers */
1137 /* user defined literals */
1138 CPP0X_USER_DEFINED_LITERALS
,
1139 /* delegating constructors */
1140 CPP0X_DELEGATING_CTORS
,
1141 /* inheriting constructors */
1142 CPP0X_INHERITING_CTORS
,
1143 /* C++11 attributes */
1145 /* ref-qualified member functions */
1149 /* The various kinds of operation used by composite_pointer_type. */
1151 enum composite_pointer_operation
1157 /* conditional expression */
1158 CPO_CONDITIONAL_EXPR
1161 /* Possible cases of expression list used by build_x_compound_expr_from_list. */
1162 enum expr_list_kind
{
1163 ELK_INIT
, /* initializer */
1164 ELK_MEM_INIT
, /* member initializer */
1165 ELK_FUNC_CAST
/* functional cast */
1168 /* Possible cases of implicit bad rhs conversions. */
1169 enum impl_conv_rhs
{
1170 ICR_DEFAULT_ARGUMENT
, /* default argument */
1171 ICR_CONVERTING
, /* converting */
1172 ICR_INIT
, /* initialization */
1173 ICR_ARGPASS
, /* argument passing */
1174 ICR_RETURN
, /* return */
1175 ICR_ASSIGN
/* assignment */
1178 /* Possible cases of implicit or explicit bad conversions to void. */
1179 enum impl_conv_void
{
1180 ICV_CAST
, /* (explicit) conversion to void */
1181 ICV_SECOND_OF_COND
, /* second operand of conditional expression */
1182 ICV_THIRD_OF_COND
, /* third operand of conditional expression */
1183 ICV_RIGHT_OF_COMMA
, /* right operand of comma operator */
1184 ICV_LEFT_OF_COMMA
, /* left operand of comma operator */
1185 ICV_STATEMENT
, /* statement */
1186 ICV_THIRD_IN_FOR
/* for increment expression */
1189 /* Possible invalid uses of an abstract class that might not have a
1190 specific associated declaration. */
1191 enum GTY(()) abstract_class_use
{
1192 ACU_UNKNOWN
, /* unknown or decl provided */
1193 ACU_CAST
, /* cast to abstract class */
1194 ACU_NEW
, /* new-expression of abstract class */
1195 ACU_THROW
, /* throw-expression of abstract class */
1196 ACU_CATCH
, /* catch-parameter of abstract class */
1197 ACU_ARRAY
, /* array of abstract class */
1198 ACU_RETURN
, /* return type of abstract class */
1199 ACU_PARM
/* parameter type of abstract class */
1202 /* Macros for access to language-specific slots in an identifier. */
1204 /* Identifiers map directly to block or class-scope bindings.
1205 Namespace-scope bindings are held in hash tables on the respective
1206 namespaces. The identifier bindings are the innermost active
1207 binding, from whence you can get the decl and/or implicit-typedef
1208 of an elaborated type. When not bound to a local entity the
1210 #define IDENTIFIER_BINDING(NODE) \
1211 (LANG_IDENTIFIER_CAST (NODE)->bindings)
1212 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
1213 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
1215 /* Kinds of identifiers. Values are carefully chosen. */
1216 enum cp_identifier_kind
{
1217 cik_normal
= 0, /* Not a special identifier. */
1218 cik_keyword
= 1, /* A keyword. */
1219 cik_ctor
= 2, /* Constructor (in-chg, complete or base). */
1220 cik_dtor
= 3, /* Destructor (in-chg, deleting, complete or
1222 cik_simple_op
= 4, /* Non-assignment operator name. */
1223 cik_assign_op
= 5, /* An assignment operator name. */
1224 cik_conv_op
= 6, /* Conversion operator name. */
1225 cik_reserved_for_udlit
= 7, /* Not yet in use */
1230 #define IDENTIFIER_KIND_BIT_0(NODE) \
1231 TREE_LANG_FLAG_0 (IDENTIFIER_NODE_CHECK (NODE))
1232 #define IDENTIFIER_KIND_BIT_1(NODE) \
1233 TREE_LANG_FLAG_1 (IDENTIFIER_NODE_CHECK (NODE))
1234 #define IDENTIFIER_KIND_BIT_2(NODE) \
1235 TREE_LANG_FLAG_2 (IDENTIFIER_NODE_CHECK (NODE))
1237 /* Used by various search routines. */
1238 #define IDENTIFIER_MARKED(NODE) \
1239 TREE_LANG_FLAG_4 (IDENTIFIER_NODE_CHECK (NODE))
1241 /* Nonzero if this identifier is used as a virtual function name somewhere
1242 (optimizes searches). */
1243 #define IDENTIFIER_VIRTUAL_P(NODE) \
1244 TREE_LANG_FLAG_5 (IDENTIFIER_NODE_CHECK (NODE))
1246 /* True if this identifier is a reserved word. C_RID_CODE (node) is
1247 then the RID_* value of the keyword. Value 1. */
1248 #define IDENTIFIER_KEYWORD_P(NODE) \
1249 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1250 & (!IDENTIFIER_KIND_BIT_1 (NODE)) \
1251 & IDENTIFIER_KIND_BIT_0 (NODE))
1253 /* True if this identifier is the name of a constructor or
1254 destructor. Value 2 or 3. */
1255 #define IDENTIFIER_CDTOR_P(NODE) \
1256 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1257 & IDENTIFIER_KIND_BIT_1 (NODE))
1259 /* True if this identifier is the name of a constructor. Value 2. */
1260 #define IDENTIFIER_CTOR_P(NODE) \
1261 (IDENTIFIER_CDTOR_P(NODE) \
1262 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1264 /* True if this identifier is the name of a destructor. Value 3. */
1265 #define IDENTIFIER_DTOR_P(NODE) \
1266 (IDENTIFIER_CDTOR_P(NODE) \
1267 & IDENTIFIER_KIND_BIT_0 (NODE))
1269 /* True if this identifier is for any operator name (including
1270 conversions). Value 4, 5, 6 or 7. */
1271 #define IDENTIFIER_ANY_OP_P(NODE) \
1272 (IDENTIFIER_KIND_BIT_2 (NODE))
1274 /* True if this identifier is for an overloaded operator. Values 4, 5. */
1275 #define IDENTIFIER_OVL_OP_P(NODE) \
1276 (IDENTIFIER_ANY_OP_P (NODE) \
1277 & (!IDENTIFIER_KIND_BIT_1 (NODE)))
1279 /* True if this identifier is for any assignment. Values 5. */
1280 #define IDENTIFIER_ASSIGN_OP_P(NODE) \
1281 (IDENTIFIER_OVL_OP_P (NODE) \
1282 & IDENTIFIER_KIND_BIT_0 (NODE))
1284 /* True if this identifier is the name of a type-conversion
1285 operator. Value 7. */
1286 #define IDENTIFIER_CONV_OP_P(NODE) \
1287 (IDENTIFIER_ANY_OP_P (NODE) \
1288 & IDENTIFIER_KIND_BIT_1 (NODE) \
1289 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1291 /* True if this identifier is a new or delete operator. */
1292 #define IDENTIFIER_NEWDEL_OP_P(NODE) \
1293 (IDENTIFIER_OVL_OP_P (NODE) \
1294 && IDENTIFIER_OVL_OP_FLAGS (NODE) & OVL_OP_FLAG_ALLOC)
1296 /* True if this identifier is a new operator. */
1297 #define IDENTIFIER_NEW_OP_P(NODE) \
1298 (IDENTIFIER_OVL_OP_P (NODE) \
1299 && (IDENTIFIER_OVL_OP_FLAGS (NODE) \
1300 & (OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_DELETE)) == OVL_OP_FLAG_ALLOC)
1302 /* Access a C++-specific index for identifier NODE.
1303 Used to optimize operator mappings etc. */
1304 #define IDENTIFIER_CP_INDEX(NODE) \
1305 (IDENTIFIER_NODE_CHECK(NODE)->base.u.bits.address_space)
1307 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
1308 #define C_TYPE_FIELDS_READONLY(TYPE) \
1309 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
1311 /* The tokens stored in the unparsed operand. */
1313 #define DEFPARSE_TOKENS(NODE) \
1314 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->tokens)
1315 #define DEFPARSE_INSTANTIATIONS(NODE) \
1316 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->instantiations)
1318 struct GTY (()) tree_deferred_parse
{
1319 struct tree_base base
;
1320 struct cp_token_cache
*tokens
;
1321 vec
<tree
, va_gc
> *instantiations
;
1325 #define DEFERRED_NOEXCEPT_PATTERN(NODE) \
1326 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->pattern)
1327 #define DEFERRED_NOEXCEPT_ARGS(NODE) \
1328 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->args)
1329 #define DEFERRED_NOEXCEPT_SPEC_P(NODE) \
1330 ((NODE) && (TREE_PURPOSE (NODE)) \
1331 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_NOEXCEPT))
1332 #define UNEVALUATED_NOEXCEPT_SPEC_P(NODE) \
1333 (DEFERRED_NOEXCEPT_SPEC_P (NODE) \
1334 && DEFERRED_NOEXCEPT_PATTERN (TREE_PURPOSE (NODE)) == NULL_TREE)
1335 #define UNPARSED_NOEXCEPT_SPEC_P(NODE) \
1336 ((NODE) && (TREE_PURPOSE (NODE)) \
1337 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_PARSE))
1339 struct GTY (()) tree_deferred_noexcept
{
1340 struct tree_base base
;
1346 /* The condition associated with the static assertion. This must be
1347 an integral constant expression. */
1348 #define STATIC_ASSERT_CONDITION(NODE) \
1349 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
1351 /* The message associated with the static assertion. This must be a
1352 string constant, which will be emitted as an error message when the
1353 static assert condition is false. */
1354 #define STATIC_ASSERT_MESSAGE(NODE) \
1355 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
1357 /* Source location information for a static assertion. */
1358 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
1359 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
1361 struct GTY (()) tree_static_assert
{
1362 struct tree_common common
;
1365 location_t location
;
1368 struct GTY (()) tree_argument_pack_select
{
1369 struct tree_common common
;
1374 /* The different kinds of traits that we encounter. */
1378 #define DEFTRAIT(TCC, CODE, NAME, ARITY) \
1380 #include "cp-trait.def"
1384 /* The types that we are processing. */
1385 #define TRAIT_EXPR_TYPE1(NODE) \
1386 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
1388 #define TRAIT_EXPR_TYPE2(NODE) \
1389 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
1391 /* The specific trait that we are processing. */
1392 #define TRAIT_EXPR_KIND(NODE) \
1393 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
1395 #define TRAIT_EXPR_LOCATION(NODE) \
1396 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->locus)
1398 struct GTY (()) tree_trait_expr
{
1399 struct tree_common common
;
1403 enum cp_trait_kind kind
;
1406 /* An INTEGER_CST containing the kind of the trait type NODE. */
1407 #define TRAIT_TYPE_KIND_RAW(NODE) \
1408 TYPE_VALUES_RAW (TRAIT_TYPE_CHECK (NODE))
1410 /* The kind of the trait type NODE. */
1411 #define TRAIT_TYPE_KIND(NODE) \
1412 ((enum cp_trait_kind) TREE_INT_CST_LOW (TRAIT_TYPE_KIND_RAW (NODE)))
1414 /* The first argument of the trait type NODE. */
1415 #define TRAIT_TYPE_TYPE1(NODE) \
1416 TYPE_MIN_VALUE_RAW (TRAIT_TYPE_CHECK (NODE))
1418 /* The rest of the arguments of the trait type NODE. */
1419 #define TRAIT_TYPE_TYPE2(NODE) \
1420 TYPE_MAX_VALUE_RAW (TRAIT_TYPE_CHECK (NODE))
1422 /* Identifiers used for lambda types are almost anonymous. Use this
1423 spare flag to distinguish them (they also have the anonymous flag). */
1424 #define IDENTIFIER_LAMBDA_P(NODE) \
1425 (IDENTIFIER_NODE_CHECK(NODE)->base.protected_flag)
1427 /* Based off of TYPE_UNNAMED_P. */
1428 #define LAMBDA_TYPE_P(NODE) \
1429 (TREE_CODE (NODE) == RECORD_TYPE \
1430 && TYPE_LINKAGE_IDENTIFIER (NODE) \
1431 && IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
1433 /* Test if FUNCTION_DECL is a lambda function. */
1434 #define LAMBDA_FUNCTION_P(FNDECL) \
1435 (DECL_DECLARES_FUNCTION_P (FNDECL) \
1436 && DECL_OVERLOADED_OPERATOR_P (FNDECL) \
1437 && DECL_OVERLOADED_OPERATOR_IS (FNDECL, CALL_EXPR) \
1438 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
1440 enum cp_lambda_default_capture_mode_type
{
1446 /* The method of default capture, if any. */
1447 #define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
1448 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
1450 /* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
1451 * so that the name, type, and field are all together, whether or not it has
1452 * been added to the lambda's class type.
1454 TREE_PURPOSE: The FIELD_DECL for this capture.
1455 TREE_VALUE: The initializer. This is part of a GNU extension. */
1456 #define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
1457 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
1459 /* During parsing of the lambda-introducer, the node in the capture-list
1460 that holds the 'this' capture. During parsing of the body, the
1461 capture proxy for that node. */
1462 #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
1463 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
1465 /* Predicate tracking whether `this' is in the effective capture set. */
1466 #define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
1467 LAMBDA_EXPR_THIS_CAPTURE(NODE)
1469 /* Predicate tracking whether the lambda was declared 'mutable'. */
1470 #define LAMBDA_EXPR_MUTABLE_P(NODE) \
1471 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
1473 /* True iff uses of a const variable capture were optimized away. */
1474 #define LAMBDA_EXPR_CAPTURE_OPTIMIZED(NODE) \
1475 TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE))
1477 /* Predicate tracking whether the lambda was declared 'static'. */
1478 #define LAMBDA_EXPR_STATIC_P(NODE) \
1479 TREE_LANG_FLAG_3 (LAMBDA_EXPR_CHECK (NODE))
1481 /* True if this TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST is for an explicit
1483 #define LAMBDA_CAPTURE_EXPLICIT_P(NODE) \
1484 TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
1486 /* The source location of the lambda. */
1487 #define LAMBDA_EXPR_LOCATION(NODE) \
1488 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
1490 /* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
1491 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
1492 #define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
1493 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
1495 /* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
1496 #define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
1497 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
1499 /* During parsing of the lambda, a vector of capture proxies which need
1500 to be pushed once we're done processing a nested lambda. */
1501 #define LAMBDA_EXPR_PENDING_PROXIES(NODE) \
1502 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->pending_proxies)
1504 /* If NODE was regenerated via tsubst_lambda_expr, this is a TEMPLATE_INFO
1505 whose TI_TEMPLATE is the immediate LAMBDA_EXPR from which NODE was
1506 regenerated, and TI_ARGS is the full set of template arguments used
1507 to regenerate NODE from the most general lambda. */
1508 #define LAMBDA_EXPR_REGEN_INFO(NODE) \
1509 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->regen_info)
1511 /* The closure type of the lambda, which is also the type of the
1513 #define LAMBDA_EXPR_CLOSURE(NODE) \
1514 (TREE_TYPE (LAMBDA_EXPR_CHECK (NODE)))
1516 struct GTY (()) tree_lambda_expr
1518 struct tree_typed typed
;
1523 vec
<tree
, va_gc
> *pending_proxies
;
1525 enum cp_lambda_default_capture_mode_type default_capture_mode
: 8;
1526 short int discriminator
;
1529 /* Non-zero if this template specialization has access violations that
1530 should be rechecked when the function is instantiated outside argument
1532 #define TINFO_HAS_ACCESS_ERRORS(NODE) \
1533 (TREE_LANG_FLAG_0 (TEMPLATE_INFO_CHECK (NODE)))
1534 #define FNDECL_HAS_ACCESS_ERRORS(NODE) \
1535 (TINFO_HAS_ACCESS_ERRORS (DECL_TEMPLATE_INFO (NODE)))
1537 /* Non-zero if this variable template specialization was specified using a
1538 template-id, so it's a partial or full specialization and not a definition
1539 of the member template of a particular class specialization. */
1540 #define TINFO_USED_TEMPLATE_ID(NODE) \
1541 (TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE)))
1543 /* The representation of a deferred access check. */
1545 struct GTY(()) deferred_access_check
{
1546 /* The base class in which the declaration is referenced. */
1548 /* The declaration whose access must be checked. */
1550 /* The declaration that should be used in the error message. */
1552 /* The location of this access. */
1556 struct GTY(()) tree_template_info
{
1557 struct tree_base base
;
1560 vec
<deferred_access_check
, va_gc
> *deferred_access_checks
;
1563 // Constraint information for a C++ declaration. Constraint information is
1566 // - a constraint expression introduced by the template header
1567 // - a constraint expression introduced by a function declarator
1568 // - the associated constraints, which are the conjunction of those,
1569 // and used for declaration matching
1571 // The template and declarator requirements are kept to support pretty
1572 // printing constrained declarations.
1573 struct GTY(()) tree_constraint_info
{
1574 struct tree_base base
;
1576 tree declarator_reqs
;
1577 tree associated_constr
;
1580 // Require that pointer P is non-null before returning.
1581 template<typename T
>
1583 check_nonnull (T
* p
)
1589 /* Returns true iff T is non-null and represents constraint info. */
1590 inline tree_constraint_info
*
1591 check_constraint_info (tree t
)
1593 if (t
&& TREE_CODE (t
) == CONSTRAINT_INFO
)
1594 return (tree_constraint_info
*)t
;
1598 /* Access the expression describing the template constraints. This may be
1599 null if no constraints were introduced in the template parameter list,
1600 a requirements clause after the template parameter list, or constraints
1601 through a constrained-type-specifier. */
1602 #define CI_TEMPLATE_REQS(NODE) \
1603 check_constraint_info (check_nonnull (NODE))->template_reqs
1605 /* Access the expression describing the trailing constraints. This is non-null
1606 for any implicit instantiation of a constrained declaration. For a
1607 templated declaration it is non-null only when a trailing requires-clause
1609 #define CI_DECLARATOR_REQS(NODE) \
1610 check_constraint_info (check_nonnull (NODE))->declarator_reqs
1612 /* The computed associated constraint expression for a declaration. */
1613 #define CI_ASSOCIATED_CONSTRAINTS(NODE) \
1614 check_constraint_info (check_nonnull (NODE))->associated_constr
1616 /* Access the constraint-expression introduced by the requires-clause
1617 associate the template parameter list NODE. */
1618 #define TEMPLATE_PARMS_CONSTRAINTS(NODE) \
1619 TREE_TYPE (TREE_LIST_CHECK (NODE))
1621 /* Access the logical constraints on the template parameter declaration
1622 indicated by NODE. */
1623 #define TEMPLATE_PARM_CONSTRAINTS(NODE) \
1624 TREE_TYPE (TREE_LIST_CHECK (NODE))
1626 /* Non-zero if the noexcept is present in a compound requirement. */
1627 #define COMPOUND_REQ_NOEXCEPT_P(NODE) \
1628 TREE_LANG_FLAG_0 (TREE_CHECK (NODE, COMPOUND_REQ))
1630 /* A TREE_LIST whose TREE_VALUE is the constraints on the 'auto' placeholder
1631 type NODE, used in an argument deduction constraint. The TREE_PURPOSE
1632 holds the set of template parameters that were in-scope when this 'auto'
1634 #define PLACEHOLDER_TYPE_CONSTRAINTS_INFO(NODE) \
1635 DECL_SIZE_UNIT (TYPE_NAME (NODE))
1637 /* The constraints on the 'auto' placeholder type NODE. */
1638 #define PLACEHOLDER_TYPE_CONSTRAINTS(NODE) \
1639 (PLACEHOLDER_TYPE_CONSTRAINTS_INFO (NODE) \
1640 ? TREE_VALUE (PLACEHOLDER_TYPE_CONSTRAINTS_INFO (NODE)) \
1643 /* True if NODE is a constraint. */
1644 #define CONSTR_P(NODE) \
1645 (TREE_CODE (NODE) == ATOMIC_CONSTR \
1646 || TREE_CODE (NODE) == CONJ_CONSTR \
1647 || TREE_CODE (NODE) == DISJ_CONSTR)
1649 /* Valid for any normalized constraint. */
1650 #define CONSTR_CHECK(NODE) \
1651 TREE_CHECK3 (NODE, ATOMIC_CONSTR, CONJ_CONSTR, DISJ_CONSTR)
1653 /* The CONSTR_INFO stores normalization data for a constraint. It refers to
1654 the original expression and the expression or declaration
1655 from which the constraint was normalized.
1657 This is TREE_LIST whose TREE_PURPOSE is the original expression and whose
1658 TREE_VALUE is a list of contexts. */
1659 #define CONSTR_INFO(NODE) \
1660 TREE_TYPE (CONSTR_CHECK (NODE))
1662 /* The expression evaluated by the constraint. */
1663 #define CONSTR_EXPR(NODE) \
1664 TREE_PURPOSE (CONSTR_INFO (NODE))
1666 /* The expression or declaration from which this constraint was normalized.
1667 This is a TREE_LIST whose TREE_VALUE is either a template-id expression
1668 denoting a concept check or the declaration introducing the constraint.
1669 These are chained to other context objects. */
1670 #define CONSTR_CONTEXT(NODE) \
1671 TREE_VALUE (CONSTR_INFO (NODE))
1673 /* The parameter mapping for an atomic constraint. */
1674 #define ATOMIC_CONSTR_MAP(NODE) \
1675 TREE_OPERAND (TREE_CHECK (NODE, ATOMIC_CONSTR), 0)
1677 /* Whether the parameter mapping of this atomic constraint
1678 is already instantiated with concrete template arguments.
1679 Used only in satisfy_atom and in the satisfaction cache. */
1680 #define ATOMIC_CONSTR_MAP_INSTANTIATED_P(NODE) \
1681 TREE_LANG_FLAG_0 (ATOMIC_CONSTR_CHECK (NODE))
1683 /* Whether the expression for this atomic constraint belongs to a
1684 concept definition. */
1685 #define ATOMIC_CONSTR_EXPR_FROM_CONCEPT_P(NODE) \
1686 TREE_LANG_FLAG_1 (ATOMIC_CONSTR_CHECK (NODE))
1688 /* The expression of an atomic constraint. */
1689 #define ATOMIC_CONSTR_EXPR(NODE) \
1690 CONSTR_EXPR (ATOMIC_CONSTR_CHECK (NODE))
1692 /* The concept of a concept check. */
1693 #define CHECK_CONSTR_CONCEPT(NODE) \
1694 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 0)
1696 /* The template arguments of a concept check. */
1697 #define CHECK_CONSTR_ARGS(NODE) \
1698 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 1)
1700 /* Whether a PARM_DECL represents a local parameter in a
1701 requires-expression. */
1702 #define CONSTRAINT_VAR_P(NODE) \
1703 DECL_LANG_FLAG_2 (TREE_CHECK (NODE, PARM_DECL))
1705 /* The concept constraining this constrained template-parameter. */
1706 #define CONSTRAINED_PARM_CONCEPT(NODE) \
1707 DECL_SIZE_UNIT (TYPE_DECL_CHECK (NODE))
1708 /* Any extra template arguments specified for a constrained
1709 template-parameter. */
1710 #define CONSTRAINED_PARM_EXTRA_ARGS(NODE) \
1711 DECL_SIZE (TYPE_DECL_CHECK (NODE))
1712 /* The first template parameter of CONSTRAINED_PARM_CONCEPT to be used as a
1713 prototype for the constrained parameter in finish_shorthand_constraint,
1714 attached for convenience. */
1715 #define CONSTRAINED_PARM_PROTOTYPE(NODE) \
1716 DECL_INITIAL (TYPE_DECL_CHECK (NODE))
1718 /* Module flags on FUNCTION,VAR,TYPE,CONCEPT or NAMESPACE
1719 A TEMPLATE_DECL holds them on the DECL_TEMPLATE_RESULT object --
1720 it's just not practical to keep them consistent. */
1721 #define DECL_MODULE_CHECK(NODE) \
1722 TREE_NOT_CHECK (NODE, TEMPLATE_DECL)
1724 /* In the purview of a named module (or in the purview of the
1725 header-unit being compiled). */
1726 #define DECL_MODULE_PURVIEW_P(N) \
1727 (DECL_LANG_SPECIFIC (DECL_MODULE_CHECK (N))->u.base.module_purview_p)
1729 /* Attached to the named module it is in the purview of. Decls
1730 attached to the global module will have this false. */
1731 #define DECL_MODULE_ATTACH_P(N) \
1732 (DECL_LANG_SPECIFIC (DECL_MODULE_CHECK (N))->u.base.module_attach_p)
1734 /* True if the live version of the decl was imported. */
1735 #define DECL_MODULE_IMPORT_P(NODE) \
1736 (DECL_LANG_SPECIFIC (DECL_MODULE_CHECK (NODE))->u.base.module_import_p)
1738 /* True if this decl is in the entity hash & array. This means that
1739 some variant was imported, even if DECL_MODULE_IMPORT_P is false. */
1740 #define DECL_MODULE_ENTITY_P(NODE) \
1741 (DECL_LANG_SPECIFIC (DECL_MODULE_CHECK (NODE))->u.base.module_entity_p)
1743 /* DECL that has attached decls for ODR-relatedness. */
1744 #define DECL_MODULE_KEYED_DECLS_P(NODE) \
1745 (DECL_LANG_SPECIFIC (TREE_CHECK2(NODE,FUNCTION_DECL,VAR_DECL))\
1746 ->u.base.module_keyed_decls_p)
1748 /* Whether this is an exported DECL. Held on any decl that can appear
1749 at namespace scope (function, var, type, template, const or
1750 namespace). templates copy from their template_result, consts have
1751 it for unscoped enums. */
1752 #define DECL_MODULE_EXPORT_P(NODE) TREE_LANG_FLAG_3 (NODE)
1755 /* The list of local parameters introduced by this requires-expression,
1756 in the form of a chain of PARM_DECLs. */
1757 #define REQUIRES_EXPR_PARMS(NODE) \
1758 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 0)
1760 /* A TREE_LIST of the requirements for this requires-expression.
1761 The requirements are stored in lexical order within the TREE_VALUE
1762 of each TREE_LIST node. The TREE_PURPOSE of each node is unused. */
1763 #define REQUIRES_EXPR_REQS(NODE) \
1764 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 1)
1766 /* Like PACK_EXPANSION_EXTRA_ARGS, for requires-expressions. */
1767 #define REQUIRES_EXPR_EXTRA_ARGS(NODE) \
1768 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 2)
1770 enum cp_tree_node_structure_enum
{
1776 TS_CP_BINDING_VECTOR
,
1778 TS_CP_TEMPLATE_DECL
,
1779 TS_CP_DEFERRED_PARSE
,
1780 TS_CP_DEFERRED_NOEXCEPT
,
1781 TS_CP_STATIC_ASSERT
,
1782 TS_CP_ARGUMENT_PACK_SELECT
,
1785 TS_CP_TEMPLATE_INFO
,
1786 TS_CP_CONSTRAINT_INFO
,
1787 TS_CP_USERDEF_LITERAL
1790 /* The resulting tree type. */
1791 union GTY((desc ("cp_tree_node_structure (&%h)"),
1792 chain_next ("(union lang_tree_node *) c_tree_chain_next (&%h.generic)"))) lang_tree_node
{
1793 union tree_node
GTY ((tag ("TS_CP_GENERIC"),
1794 desc ("tree_node_structure (&%h)"))) generic
;
1795 struct template_parm_index
GTY ((tag ("TS_CP_TPI"))) tpi
;
1796 struct ptrmem_cst
GTY ((tag ("TS_CP_PTRMEM"))) ptrmem
;
1797 struct tree_overload
GTY ((tag ("TS_CP_OVERLOAD"))) overload
;
1798 struct tree_binding_vec
GTY ((tag ("TS_CP_BINDING_VECTOR"))) binding_vec
;
1799 struct tree_baselink
GTY ((tag ("TS_CP_BASELINK"))) baselink
;
1800 struct tree_template_decl
GTY ((tag ("TS_CP_TEMPLATE_DECL"))) template_decl
;
1801 struct tree_deferred_parse
GTY ((tag ("TS_CP_DEFERRED_PARSE"))) deferred_parse
;
1802 struct tree_deferred_noexcept
GTY ((tag ("TS_CP_DEFERRED_NOEXCEPT"))) deferred_noexcept
;
1803 struct lang_identifier
GTY ((tag ("TS_CP_IDENTIFIER"))) identifier
;
1804 struct tree_static_assert
GTY ((tag ("TS_CP_STATIC_ASSERT")))
1806 struct tree_argument_pack_select
GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
1807 argument_pack_select
;
1808 struct tree_trait_expr
GTY ((tag ("TS_CP_TRAIT_EXPR")))
1810 struct tree_lambda_expr
GTY ((tag ("TS_CP_LAMBDA_EXPR")))
1812 struct tree_template_info
GTY ((tag ("TS_CP_TEMPLATE_INFO")))
1814 struct tree_constraint_info
GTY ((tag ("TS_CP_CONSTRAINT_INFO")))
1816 struct tree_userdef_literal
GTY ((tag ("TS_CP_USERDEF_LITERAL")))
1821 struct GTY(()) cp_omp_declare_target_attr
{
1826 struct GTY(()) cp_omp_begin_assumes_data
{
1832 struct GTY(()) saved_scope
{
1833 vec
<cxx_saved_binding
, va_gc
> *old_bindings
;
1835 vec
<tree
, va_gc
> *decl_ns_list
;
1838 tree access_specifier
;
1840 vec
<tree
, va_gc
> *lang_base
;
1842 tree template_parms
;
1843 cp_binding_level
*x_previous_class_level
;
1846 /* Only used for uses of this in trailing return type. */
1847 tree x_current_class_ptr
;
1848 tree x_current_class_ref
;
1850 int x_processing_template_decl
;
1851 int x_processing_specialization
;
1852 int x_processing_constraint
;
1853 int suppress_location_wrappers
;
1854 BOOL_BITFIELD x_processing_explicit_instantiation
: 1;
1855 BOOL_BITFIELD need_pop_function_context
: 1;
1857 /* Nonzero if we are parsing the discarded statement of a constexpr
1859 BOOL_BITFIELD discarded_stmt
: 1;
1860 /* Nonzero if we are parsing or instantiating the compound-statement
1861 of consteval if statement. Also set while processing an immediate
1863 BOOL_BITFIELD consteval_if_p
: 1;
1865 int unevaluated_operand
;
1866 int inhibit_evaluation_warnings
;
1867 int noexcept_operand
;
1870 struct stmt_tree_s x_stmt_tree
;
1872 cp_binding_level
*class_bindings
;
1873 cp_binding_level
*bindings
;
1875 hash_map
<tree
, tree
> *GTY((skip
)) x_local_specializations
;
1876 vec
<cp_omp_declare_target_attr
, va_gc
> *omp_declare_target_attribute
;
1877 vec
<cp_omp_begin_assumes_data
, va_gc
> *omp_begin_assumes
;
1879 struct saved_scope
*prev
;
1882 extern GTY(()) struct saved_scope
*scope_chain
;
1884 /* The current open namespace. */
1886 #define current_namespace scope_chain->old_namespace
1888 /* The stack for namespaces of current declarations. */
1890 #define decl_namespace_list scope_chain->decl_ns_list
1892 /* IDENTIFIER_NODE: name of current class */
1894 #define current_class_name scope_chain->class_name
1896 /* _TYPE: the type of the current class */
1898 #define current_class_type scope_chain->class_type
1900 /* When parsing a class definition, the access specifier most recently
1901 given by the user, or, if no access specifier was given, the
1902 default value appropriate for the kind of class (i.e., struct,
1903 class, or union). */
1905 #define current_access_specifier scope_chain->access_specifier
1907 /* Pointer to the top of the language name stack. */
1909 #define current_lang_base scope_chain->lang_base
1910 #define current_lang_name scope_chain->lang_name
1912 /* When parsing a template declaration, a TREE_LIST represents the
1913 active template parameters. Each node in the list represents one
1914 level of template parameters. The innermost level is first in the
1915 list. The depth of each level is stored as an INTEGER_CST in the
1916 TREE_PURPOSE of each node. The parameters for that level are
1917 stored in the TREE_VALUE. */
1919 #define current_template_parms scope_chain->template_parms
1920 #define current_template_depth \
1921 (current_template_parms ? TMPL_PARMS_DEPTH (current_template_parms) : 0)
1923 #define processing_template_decl scope_chain->x_processing_template_decl
1924 #define processing_specialization scope_chain->x_processing_specialization
1925 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
1927 #define in_discarded_stmt scope_chain->discarded_stmt
1928 #define in_consteval_if_p scope_chain->consteval_if_p
1930 #define current_ref_temp_count scope_chain->ref_temp_count
1932 /* RAII sentinel to handle clearing processing_template_decl and restoring
1935 class processing_template_decl_sentinel
1939 processing_template_decl_sentinel (bool reset
= true)
1940 : saved (processing_template_decl
)
1943 processing_template_decl
= 0;
1945 ~processing_template_decl_sentinel()
1947 processing_template_decl
= saved
;
1951 /* RAII sentinel to disable certain warnings during template substitution
1954 class warning_sentinel
1959 warning_sentinel(int& flag
, bool suppress
=true)
1960 : flag(flag
), val(flag
) { if (suppress
) flag
= 0; }
1961 ~warning_sentinel() { flag
= val
; }
1964 /* RAII sentinel to temporarily override input_location. This will not set
1965 input_location to UNKNOWN_LOCATION or BUILTINS_LOCATION. */
1969 location_t saved_loc
;
1971 iloc_sentinel (location_t loc
): saved_loc (input_location
)
1973 if (loc
>= RESERVED_LOCATION_COUNT
)
1974 input_location
= loc
;
1978 input_location
= saved_loc
;
1982 /* RAII sentinel that saves the value of a variable, optionally
1983 overrides it right away, and restores its value when the sentinel
1986 template <typename T
>
1989 T
& overridden_variable
;
1992 temp_override(T
& var
) : overridden_variable (var
), saved_value (var
) {}
1993 temp_override(T
& var
, T overrider
)
1994 : overridden_variable (var
), saved_value (var
)
1996 overridden_variable
= overrider
;
1998 ~temp_override() { overridden_variable
= saved_value
; }
2001 /* Wrapping a template parameter in type_identity_t hides it from template
2002 argument deduction. */
2003 #if __cpp_lib_type_identity
2004 using std::type_identity_t
;
2006 template <typename T
>
2007 struct type_identity
{ typedef T type
; };
2008 template <typename T
>
2009 using type_identity_t
= typename type_identity
<T
>::type
;
2012 /* Object generator function for temp_override, so you don't need to write the
2013 type of the object as a template argument.
2015 Use as auto x = make_temp_override (flag); */
2017 template <typename T
>
2018 inline temp_override
<T
>
2019 make_temp_override (T
& var
)
2024 /* Likewise, but use as auto x = make_temp_override (flag, value); */
2026 template <typename T
>
2027 inline temp_override
<T
>
2028 make_temp_override (T
& var
, type_identity_t
<T
> overrider
)
2030 return { var
, overrider
};
2033 /* temp_override for in_consteval_if_p, which can't use make_temp_override
2034 because it is a bitfield. */
2036 struct in_consteval_if_p_temp_override
{
2037 bool save_in_consteval_if_p
;
2038 in_consteval_if_p_temp_override ()
2039 : save_in_consteval_if_p (in_consteval_if_p
) {}
2040 void reset () { in_consteval_if_p
= save_in_consteval_if_p
; }
2041 ~in_consteval_if_p_temp_override ()
2045 /* The cached class binding level, from the most recently exited
2046 class, or NULL if none. */
2048 #define previous_class_level scope_chain->x_previous_class_level
2050 /* A map from local variable declarations in the body of the template
2051 presently being instantiated to the corresponding instantiated
2054 #define local_specializations scope_chain->x_local_specializations
2056 /* Nonzero if we are parsing the operand of a noexcept operator. */
2058 #define cp_noexcept_operand scope_chain->noexcept_operand
2060 struct named_label_entry
; /* Defined in decl.cc. */
2062 struct named_label_hash
: ggc_remove
<named_label_entry
*>
2064 typedef named_label_entry
*value_type
;
2065 typedef tree compare_type
; /* An identifier. */
2067 inline static hashval_t
hash (value_type
);
2068 inline static bool equal (const value_type
, compare_type
);
2070 static const bool empty_zero_p
= true;
2071 inline static void mark_empty (value_type
&p
) {p
= NULL
;}
2072 inline static bool is_empty (value_type p
) {return !p
;}
2074 /* Nothing is deletable. Everything is insertable. */
2075 inline static bool is_deleted (value_type
) { return false; }
2076 inline static void mark_deleted (value_type
) { gcc_unreachable (); }
2079 /* Global state pertinent to the current function. */
2081 struct GTY(()) language_function
{
2082 struct c_language_function base
;
2084 tree x_current_class_ptr
;
2085 tree x_current_class_ref
;
2086 tree x_eh_spec_block
;
2087 tree x_in_charge_parm
;
2089 tree x_return_value
;
2091 BOOL_BITFIELD returns_value
: 1;
2092 BOOL_BITFIELD returns_null
: 1;
2093 BOOL_BITFIELD returns_abnormally
: 1;
2094 BOOL_BITFIELD infinite_loop
: 1;
2095 BOOL_BITFIELD x_in_function_try_handler
: 1;
2096 BOOL_BITFIELD x_in_base_initializer
: 1;
2098 /* True if this function can throw an exception. */
2099 BOOL_BITFIELD can_throw
: 1;
2101 BOOL_BITFIELD invalid_constexpr
: 1;
2102 BOOL_BITFIELD throwing_cleanup
: 1;
2104 hash_table
<named_label_hash
> *x_named_labels
;
2106 cp_binding_level
*bindings
;
2108 /* Tracking possibly infinite loops. This is a vec<tree> only because
2109 vec<bool> doesn't work with gtype. */
2110 vec
<tree
, va_gc
> *infinite_loops
;
2113 /* The current C++-specific per-function global variables. */
2115 #define cp_function_chain (cfun->language)
2117 /* When we're processing a member function, current_class_ptr is the
2118 PARM_DECL for the `this' pointer. The current_class_ref is an
2119 expression for `*this'. */
2121 #define current_class_ptr \
2122 (*(cfun && cp_function_chain \
2123 ? &cp_function_chain->x_current_class_ptr \
2124 : &scope_chain->x_current_class_ptr))
2125 #define current_class_ref \
2126 (*(cfun && cp_function_chain \
2127 ? &cp_function_chain->x_current_class_ref \
2128 : &scope_chain->x_current_class_ref))
2130 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
2131 function, if any. */
2133 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
2135 /* The `__in_chrg' parameter for the current function. Only used for
2136 constructors and destructors. */
2138 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
2140 /* The `__vtt_parm' parameter for the current function. Only used for
2141 constructors and destructors. */
2143 #define current_vtt_parm cp_function_chain->x_vtt_parm
2145 /* A boolean flag to control whether we need to clean up the return value if a
2146 local destructor throws. Only used in functions that return by value a
2147 class with a destructor. Which 'tors don't, so we can use the same
2148 field as current_vtt_parm. */
2150 #define current_retval_sentinel current_vtt_parm
2152 /* Set to 0 at beginning of a function definition, set to 1 if
2153 a return statement that specifies a return value is seen. */
2155 #define current_function_returns_value cp_function_chain->returns_value
2157 /* Set to 0 at beginning of a function definition, set to 1 if
2158 a return statement with no argument is seen. */
2160 #define current_function_returns_null cp_function_chain->returns_null
2162 /* Set to 0 at beginning of a function definition, set to 1 if
2163 a call to a noreturn function is seen. */
2165 #define current_function_returns_abnormally \
2166 cp_function_chain->returns_abnormally
2168 /* Set to 0 at beginning of a function definition, set to 1 if we see an
2169 obvious infinite loop. This can have false positives and false
2170 negatives, so it should only be used as a heuristic. */
2172 #define current_function_infinite_loop cp_function_chain->infinite_loop
2174 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
2175 #define in_base_initializer cp_function_chain->x_in_base_initializer
2177 #define in_function_try_handler cp_function_chain->x_in_function_try_handler
2179 /* Expression always returned from function, or error_mark_node
2180 otherwise, for use by the automatic named return value optimization. */
2182 #define current_function_return_value \
2183 (cp_function_chain->x_return_value)
2186 extern tree
cp_literal_operator_id (const char *);
2188 #define NON_ERROR(NODE) ((NODE) == error_mark_node ? NULL_TREE : (NODE))
2190 /* TRUE if a tree code represents a statement. */
2191 extern bool statement_code_p
[MAX_TREE_CODES
];
2193 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
2195 enum languages
{ lang_c
, lang_cplusplus
};
2197 /* Macros to make error reporting functions' lives easier. */
2198 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
2199 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
2200 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
2201 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
2203 /* Any kind of anonymous type. */
2204 #define TYPE_ANON_P(NODE) \
2205 (TYPE_LINKAGE_IDENTIFIER (NODE) \
2206 && IDENTIFIER_ANON_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2208 /* Nonzero if NODE, a TYPE, has no name for linkage purposes. */
2209 #define TYPE_UNNAMED_P(NODE) \
2210 (TYPE_ANON_P (NODE) \
2211 && !IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2213 /* The _DECL for this _TYPE. */
2214 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
2216 /* Nonzero if T is a type that could resolve to any kind of concrete type
2217 at instantiation time. */
2218 #define WILDCARD_TYPE_P(T) \
2219 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
2220 || TREE_CODE (T) == TYPENAME_TYPE \
2221 || TREE_CODE (T) == TYPEOF_TYPE \
2222 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
2223 || TREE_CODE (T) == DECLTYPE_TYPE \
2224 || TREE_CODE (T) == TRAIT_TYPE \
2225 || TREE_CODE (T) == DEPENDENT_OPERATOR_TYPE)
2227 /* Nonzero if T is a class (or struct or union) type. Also nonzero
2228 for template type parameters, typename types, and instantiated
2229 template template parameters. Keep these checks in ascending code
2231 #define MAYBE_CLASS_TYPE_P(T) (WILDCARD_TYPE_P (T) || CLASS_TYPE_P (T))
2233 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
2235 #define SET_CLASS_TYPE_P(T, VAL) \
2236 (TYPE_LANG_FLAG_5 (RECORD_OR_UNION_CHECK (T)) = (VAL))
2238 /* Nonzero if T is a class type. Zero for template type parameters,
2239 typename types, and so forth. */
2240 #define CLASS_TYPE_P(T) \
2241 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
2243 /* Nonzero if T is a class type but not a union. */
2244 #define NON_UNION_CLASS_TYPE_P(T) \
2245 (TREE_CODE (T) == RECORD_TYPE && TYPE_LANG_FLAG_5 (T))
2247 /* Keep these checks in ascending code order. */
2248 #define RECORD_OR_UNION_CODE_P(T) \
2249 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
2250 #define OVERLOAD_TYPE_P(T) \
2251 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
2253 /* True if this type is dependent. This predicate is only valid if
2254 TYPE_DEPENDENT_P_VALID is true. */
2255 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
2257 /* True if dependent_type_p has been called for this type, with the
2258 result that TYPE_DEPENDENT_P is valid. */
2259 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
2261 /* Nonzero if this type is const-qualified. */
2262 #define CP_TYPE_CONST_P(NODE) \
2263 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
2265 /* Nonzero if this type is volatile-qualified. */
2266 #define CP_TYPE_VOLATILE_P(NODE) \
2267 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
2269 /* Nonzero if this type is restrict-qualified. */
2270 #define CP_TYPE_RESTRICT_P(NODE) \
2271 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
2273 /* Nonzero if this type is const-qualified, but not
2274 volatile-qualified. Other qualifiers are ignored. This macro is
2275 used to test whether or not it is OK to bind an rvalue to a
2277 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
2278 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
2281 #define FUNCTION_ARG_CHAIN(NODE) \
2282 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2284 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
2285 which refers to a user-written parameter. */
2286 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
2287 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2289 /* Similarly, but for DECL_ARGUMENTS. */
2290 #define FUNCTION_FIRST_USER_PARM(NODE) \
2291 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
2293 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
2294 ambiguity issues. */
2295 #define DERIVED_FROM_P(PARENT, TYPE) \
2296 (lookup_base ((TYPE), (PARENT), ba_any, NULL, tf_none) != NULL_TREE)
2298 /* Gives the visibility specification for a class type. */
2299 #define CLASSTYPE_VISIBILITY(TYPE) \
2300 DECL_VISIBILITY (TYPE_MAIN_DECL (TYPE))
2301 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
2302 DECL_VISIBILITY_SPECIFIED (TYPE_MAIN_DECL (TYPE))
2304 struct GTY (()) tree_pair_s
{
2308 typedef tree_pair_s
*tree_pair_p
;
2310 /* This structure provides additional information above and beyond
2311 what is provide in the ordinary tree_type. In the past, we used it
2312 for the types of class types, template parameters types, typename
2313 types, and so forth. However, there can be many (tens to hundreds
2314 of thousands) of template parameter types in a compilation, and
2315 there's no need for this additional information in that case.
2316 Therefore, we now use this data structure only for class types.
2318 In the past, it was thought that there would be relatively few
2319 class types. However, in the presence of heavy use of templates,
2320 many (i.e., thousands) of classes can easily be generated.
2321 Therefore, we should endeavor to keep the size of this structure to
2323 struct GTY(()) lang_type
{
2324 unsigned char align
;
2326 unsigned has_type_conversion
: 1;
2327 unsigned has_copy_ctor
: 1;
2328 unsigned has_default_ctor
: 1;
2329 unsigned const_needs_init
: 1;
2330 unsigned ref_needs_init
: 1;
2331 unsigned has_const_copy_assign
: 1;
2332 unsigned use_template
: 2;
2334 unsigned has_mutable
: 1;
2335 unsigned com_interface
: 1;
2336 unsigned non_pod_class
: 1;
2337 unsigned nearly_empty_p
: 1;
2338 unsigned user_align
: 1;
2339 unsigned has_copy_assign
: 1;
2340 unsigned has_new
: 1;
2341 unsigned has_array_new
: 1;
2343 unsigned gets_delete
: 2;
2344 unsigned interface_only
: 1;
2345 unsigned interface_unknown
: 1;
2346 unsigned contains_empty_class_p
: 1;
2347 unsigned anon_aggr
: 1;
2348 unsigned non_zero_init
: 1;
2349 unsigned empty_p
: 1;
2350 /* 32 bits allocated. */
2352 unsigned vec_new_uses_cookie
: 1;
2353 unsigned declared_class
: 1;
2354 unsigned diamond_shaped
: 1;
2355 unsigned repeated_base
: 1;
2356 unsigned being_defined
: 1;
2357 unsigned debug_requested
: 1;
2358 unsigned fields_readonly
: 1;
2359 unsigned ptrmemfunc_flag
: 1;
2361 unsigned lazy_default_ctor
: 1;
2362 unsigned lazy_copy_ctor
: 1;
2363 unsigned lazy_copy_assign
: 1;
2364 unsigned lazy_destructor
: 1;
2365 unsigned has_const_copy_ctor
: 1;
2366 unsigned has_complex_copy_ctor
: 1;
2367 unsigned has_complex_copy_assign
: 1;
2368 unsigned non_aggregate
: 1;
2370 unsigned has_complex_dflt
: 1;
2371 unsigned has_list_ctor
: 1;
2372 unsigned non_std_layout
: 1;
2373 unsigned is_literal
: 1;
2374 unsigned lazy_move_ctor
: 1;
2375 unsigned lazy_move_assign
: 1;
2376 unsigned has_complex_move_ctor
: 1;
2377 unsigned has_complex_move_assign
: 1;
2379 unsigned has_constexpr_ctor
: 1;
2380 unsigned unique_obj_representations
: 1;
2381 unsigned unique_obj_representations_set
: 1;
2383 bool non_pod_aggregate
: 1;
2385 /* When adding a flag here, consider whether or not it ought to
2386 apply to a template instance if it applies to the template. If
2387 so, make sure to copy it in instantiate_class_template! */
2389 /* There are some bits left to fill out a 32-bit word. Keep track
2390 of this by updating the size of this bitfield whenever you add or
2395 vec
<tree_pair_s
, va_gc
> *vcall_indices
;
2398 vec
<tree
, va_gc
> *vbases
;
2400 vec
<tree
, va_gc
> *pure_virtuals
;
2401 tree friend_classes
;
2402 vec
<tree
, va_gc
> * GTY((reorder ("resort_type_member_vec"))) members
;
2405 tree befriending_classes
;
2406 /* In a RECORD_TYPE, information specific to Objective-C++, such
2407 as a list of adopted protocols or a pointer to a corresponding
2408 @interface. See objc/objc-act.h for details. */
2410 /* FIXME reuse another field? */
2414 /* We used to have a variant type for lang_type. Keep the name of the
2415 checking accessor for the sole survivor. */
2416 #define LANG_TYPE_CLASS_CHECK(NODE) (TYPE_LANG_SPECIFIC (NODE))
2418 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
2419 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
2420 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
2421 #define TYPE_GETS_VEC_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 2)
2423 /* Nonzero if `new NODE[x]' should cause the allocation of extra
2424 storage to indicate how many array elements are in use. */
2425 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
2426 (CLASS_TYPE_P (NODE) \
2427 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
2429 /* Nonzero means that this _CLASSTYPE node defines ways of converting
2430 itself to other types. */
2431 #define TYPE_HAS_CONVERSION(NODE) \
2432 (LANG_TYPE_CLASS_CHECK (NODE)->has_type_conversion)
2434 /* Nonzero means that NODE (a class type) has a default constructor --
2435 but that it has not yet been declared. */
2436 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
2437 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
2439 /* Nonzero means that NODE (a class type) has a copy constructor --
2440 but that it has not yet been declared. */
2441 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
2442 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
2444 /* Nonzero means that NODE (a class type) has a move constructor --
2445 but that it has not yet been declared. */
2446 #define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
2447 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
2449 /* Nonzero means that NODE (a class type) has an assignment operator
2450 -- but that it has not yet been declared. */
2451 #define CLASSTYPE_LAZY_COPY_ASSIGN(NODE) \
2452 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_assign)
2454 /* Nonzero means that NODE (a class type) has an assignment operator
2455 -- but that it has not yet been declared. */
2456 #define CLASSTYPE_LAZY_MOVE_ASSIGN(NODE) \
2457 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_assign)
2459 /* Nonzero means that NODE (a class type) has a destructor -- but that
2460 it has not yet been declared. */
2461 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
2462 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
2464 /* Nonzero means that NODE (a class type) is final */
2465 #define CLASSTYPE_FINAL(NODE) \
2469 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
2470 #define TYPE_HAS_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_assign)
2472 /* True iff the class type NODE has an "operator =" whose parameter
2473 has a parameter of type "const X&". */
2474 #define TYPE_HAS_CONST_COPY_ASSIGN(NODE) \
2475 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_assign)
2477 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
2478 #define TYPE_HAS_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_ctor)
2479 #define TYPE_HAS_CONST_COPY_CTOR(NODE) \
2480 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_ctor)
2482 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
2483 #define TYPE_HAS_LIST_CTOR(NODE) \
2484 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
2486 /* Nonzero if this class has a constexpr constructor other than a copy/move
2487 constructor. Note that a class can have constexpr constructors for
2488 static initialization even if it isn't a literal class. */
2489 #define TYPE_HAS_CONSTEXPR_CTOR(NODE) \
2490 (LANG_TYPE_CLASS_CHECK (NODE)->has_constexpr_ctor)
2492 /* Nonzero if this class defines an overloaded operator new. (An
2493 operator new [] doesn't count.) */
2494 #define TYPE_HAS_NEW_OPERATOR(NODE) \
2495 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
2497 /* Nonzero if this class defines an overloaded operator new[]. */
2498 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
2499 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
2501 /* Nonzero means that this type is being defined. I.e., the left brace
2502 starting the definition of this type has been seen. */
2503 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
2505 /* Nonzero means that this type is either complete or being defined, so we
2506 can do lookup in it. */
2507 #define COMPLETE_OR_OPEN_TYPE_P(NODE) \
2508 (COMPLETE_TYPE_P (NODE) || (CLASS_TYPE_P (NODE) && TYPE_BEING_DEFINED (NODE)))
2510 /* Mark bits for repeated base checks. */
2511 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
2513 /* Nonzero if the class NODE has multiple paths to the same (virtual)
2515 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
2516 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
2518 /* Nonzero if the class NODE has multiple instances of the same base
2520 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
2521 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
2523 /* The member function with which the vtable will be emitted:
2524 the first noninline non-pure-virtual member function. NULL_TREE
2525 if there is no key function or if this is a class template */
2526 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
2528 /* Vector of members. During definition, it is unordered and only
2529 member functions are present. After completion it is sorted and
2530 contains both member functions and non-functions. STAT_HACK is
2531 involved to preserve oneslot per name invariant. */
2532 #define CLASSTYPE_MEMBER_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->members)
2534 /* For class templates, this is a TREE_LIST of all member data,
2535 functions, types, and friends in the order of declaration.
2536 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
2537 and the RECORD_TYPE for the class template otherwise. */
2538 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
2540 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
2541 are the constructors that take an in-charge parameter. */
2542 #define CLASSTYPE_CONSTRUCTORS(NODE) \
2543 (get_class_binding_direct (NODE, ctor_identifier))
2545 /* A FUNCTION_DECL for the destructor for NODE. This is the
2546 destructors that take an in-charge parameter. If
2547 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
2548 until the destructor is created with lazily_declare_fn. */
2549 #define CLASSTYPE_DESTRUCTOR(NODE) \
2550 (get_class_binding_direct (NODE, dtor_identifier))
2552 /* Nonzero if NODE has a primary base class, i.e., a base class with
2553 which it shares the virtual function table pointer. */
2554 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
2555 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
2557 /* If non-NULL, this is the binfo for the primary base class, i.e.,
2558 the base class which contains the virtual function table pointer
2560 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
2561 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
2563 /* A vector of BINFOs for the direct and indirect virtual base classes
2564 that this type uses in a post-order depth-first left-to-right
2565 order. (In other words, these bases appear in the order that they
2566 should be initialized.) */
2567 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
2569 /* The type corresponding to NODE when NODE is used as a base class,
2570 i.e., NODE without virtual base classes or tail padding. */
2571 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
2573 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
2574 #define IS_FAKE_BASE_TYPE(NODE) \
2575 (TREE_CODE (NODE) == RECORD_TYPE \
2576 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
2577 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
2579 /* These are the size and alignment of the type without its virtual
2580 base classes, for when we use this type as a base itself. */
2581 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
2582 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
2583 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
2584 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
2586 /* The alignment of NODE, without its virtual bases, in bytes. */
2587 #define CLASSTYPE_ALIGN_UNIT(NODE) \
2588 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
2590 /* A vec<tree> of virtual functions which cannot be inherited by
2591 derived classes. When deriving from this type, the derived
2592 class must provide its own definition for each of these functions. */
2593 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
2594 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
2596 /* Nonzero means that this type is an abstract class type. */
2597 #define ABSTRACT_CLASS_TYPE_P(NODE) \
2598 (CLASS_TYPE_P (NODE) && CLASSTYPE_PURE_VIRTUALS(NODE))
2600 /* Nonzero means that this type has an X() constructor. */
2601 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
2602 (LANG_TYPE_CLASS_CHECK (NODE)->has_default_ctor)
2604 /* Nonzero means that this type contains a mutable member. */
2605 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
2606 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
2608 /* Nonzero means that this class type is not POD for the purpose of layout
2609 (as defined in the ABI). This is different from the language's POD. */
2610 #define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \
2611 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
2613 /* Nonzero means that this class type is a non-standard-layout class. */
2614 #define CLASSTYPE_NON_STD_LAYOUT(NODE) \
2615 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout)
2617 /* Nonzero means that this class type does have unique object
2619 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS(NODE) \
2620 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations)
2622 /* Nonzero means that this class type has
2623 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS computed. */
2624 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET(NODE) \
2625 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations_set)
2627 /* Nonzero means that this class contains pod types whose default
2628 initialization is not a zero initialization (namely, pointers to
2630 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
2631 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
2633 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
2634 #define CLASSTYPE_EMPTY_P(NODE) \
2635 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
2637 /* Nonzero if this class is "nearly empty", i.e., contains only a
2638 virtual function table pointer. */
2639 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
2640 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
2642 /* Nonzero if this class contains an empty subobject. */
2643 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
2644 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
2646 /* A list of class types of which this type is a friend. The
2647 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
2648 case of a template friend. */
2649 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
2650 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
2652 /* A list of the classes which grant friendship to this class. */
2653 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
2654 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
2656 /* The associated LAMBDA_EXPR that made this class. */
2657 #define CLASSTYPE_LAMBDA_EXPR(NODE) \
2658 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
2659 /* The extra mangling scope for this closure type. */
2660 #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
2661 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
2663 /* Say whether this node was declared as a "class" or a "struct". */
2664 #define CLASSTYPE_DECLARED_CLASS(NODE) \
2665 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
2667 /* Nonzero if this class has const members
2668 which have no specified initialization. */
2669 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
2670 (TYPE_LANG_SPECIFIC (NODE) \
2671 ? LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init : 0)
2672 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
2673 (LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init = (VALUE))
2675 /* Nonzero if this class has ref members
2676 which have no specified initialization. */
2677 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
2678 (TYPE_LANG_SPECIFIC (NODE) \
2679 ? LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init : 0)
2680 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
2681 (LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init = (VALUE))
2683 /* Nonzero if this class is included from a header file which employs
2684 `#pragma interface', and it is not included in its implementation file. */
2685 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
2686 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
2688 /* True if we have already determined whether or not vtables, VTTs,
2689 typeinfo, and other similar per-class data should be emitted in
2690 this translation unit. This flag does not indicate whether or not
2691 these items should be emitted; it only indicates that we know one
2692 way or the other. */
2693 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
2694 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
2695 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
2696 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2697 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
2699 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
2700 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
2701 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2702 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
2703 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
2704 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
2706 /* Nonzero if a _DECL node requires us to output debug info for this class. */
2707 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
2708 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
2710 /* True if we saw errors while instantiating this class. */
2711 #define CLASSTYPE_ERRONEOUS(NODE) \
2712 (LANG_TYPE_CLASS_CHECK (NODE)->erroneous)
2714 /* True if this class is non-layout-POD only because it was not an aggregate
2715 before C++14. If we run out of bits in lang_type, this could be replaced
2716 with a hash_set only filled in when abi_version_crosses (17). */
2717 #define CLASSTYPE_NON_POD_AGGREGATE(NODE) \
2718 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_aggregate)
2720 /* Additional macros for inheritance information. */
2722 /* Nonzero means that this class is on a path leading to a new vtable. */
2723 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
2725 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
2726 have this flag set. */
2727 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
2729 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
2730 this is functionally equivalent to using same_type_p, but
2731 measurably faster. At least one of the arguments must be a
2732 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
2733 BINFO_TYPE(T) ever stops being the main variant of the class the
2734 binfo is for, this macro must change. */
2735 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
2737 /* Any subobject that needs a new vtable must have a vptr and must not
2738 be a non-virtual primary base (since it would then use the vtable from a
2739 derived class and never become non-primary.) */
2740 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
2741 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
2742 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
2743 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
2745 /* Nonzero if this binfo is for a dependent base - one that should not
2747 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
2749 /* Nonzero if this binfo has lost its primary base binfo (because that
2750 is a nearly-empty virtual base that has been taken by some other
2751 base in the complete hierarchy. */
2752 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
2754 /* Nonzero if this BINFO is a primary base class. */
2755 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
2757 /* A vec<tree_pair_s> of the vcall indices associated with the class
2758 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
2759 function. The VALUE is the index into the virtual table where the
2760 vcall offset for that function is stored, when NODE is a virtual
2762 #define CLASSTYPE_VCALL_INDICES(NODE) \
2763 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
2765 /* The various vtables for the class NODE. The primary vtable will be
2766 first, followed by the construction vtables and VTT, if any. */
2767 #define CLASSTYPE_VTABLES(NODE) \
2768 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
2770 /* The std::type_info variable representing this class, or NULL if no
2771 such variable has been created. This field is only set for the
2772 TYPE_MAIN_VARIANT of the class. */
2773 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
2774 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
2776 /* Accessor macros for the BINFO_VIRTUALS list. */
2778 /* The number of bytes by which to adjust the `this' pointer when
2779 calling this virtual function. Subtract this value from the this
2780 pointer. Always non-NULL, might be constant zero though. */
2781 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
2783 /* If non-NULL, the vtable index at which to find the vcall offset
2784 when calling this virtual function. Add the value at that vtable
2785 index to the this pointer. */
2786 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
2788 /* The function to call. */
2789 #define BV_FN(NODE) (TREE_VALUE (NODE))
2791 /* Whether or not this entry is for a lost primary virtual base. */
2792 #define BV_LOST_PRIMARY(NODE) (TREE_LANG_FLAG_0 (NODE))
2794 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
2795 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
2796 will be NULL_TREE to indicate a throw specification of `()', or
2797 no exceptions allowed. For a noexcept specification, TREE_VALUE
2798 is NULL_TREE and TREE_PURPOSE is the constant-expression. For
2799 a deferred noexcept-specification, TREE_PURPOSE is a DEFERRED_NOEXCEPT
2800 (for templates) or an OVERLOAD list of functions (for implicitly
2801 declared functions). */
2802 #define TYPE_RAISES_EXCEPTIONS(NODE) \
2803 TYPE_LANG_SLOT_1 (FUNC_OR_METHOD_CHECK (NODE))
2805 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'
2806 or noexcept(true). */
2807 #define TYPE_NOTHROW_P(NODE) nothrow_spec_p (TYPE_RAISES_EXCEPTIONS (NODE))
2809 /* For FUNCTION_TYPE or METHOD_TYPE, true if NODE is noexcept. This is the
2810 case for things declared noexcept(true) and, with -fnothrow-opt, for
2811 throw() functions. */
2812 #define TYPE_NOEXCEPT_P(NODE) type_noexcept_p (NODE)
2814 /* The binding level associated with the namespace. */
2815 #define NAMESPACE_LEVEL(NODE) \
2816 (LANG_DECL_NS_CHECK (NODE)->level)
2818 /* Discriminator values for lang_decl. */
2820 enum lang_decl_selector
2829 /* Flags shared by all forms of DECL_LANG_SPECIFIC.
2831 Some of the flags live here only to make lang_decl_min/fn smaller. Do
2832 not make this struct larger than 32 bits. */
2834 struct GTY(()) lang_decl_base
{
2835 ENUM_BITFIELD(lang_decl_selector
) selector
: 3;
2836 ENUM_BITFIELD(languages
) language
: 1;
2837 unsigned use_template
: 2;
2838 unsigned not_really_extern
: 1; /* var or fn */
2839 unsigned initialized_in_class
: 1; /* var or fn */
2841 unsigned threadprivate_or_deleted_p
: 1; /* var or fn */
2842 /* anticipated_p is no longer used for anticipated_decls (fn, type
2843 or template). It is used as DECL_OMP_PRIVATIZED_MEMBER in
2845 unsigned anticipated_p
: 1;
2846 unsigned friend_or_tls
: 1; /* var, fn, type or template */
2847 unsigned unknown_bound_p
: 1; /* var */
2848 unsigned odr_used
: 1; /* var or fn */
2849 unsigned concept_p
: 1; /* applies to vars and functions */
2850 unsigned var_declared_inline_p
: 1; /* var */
2851 unsigned dependent_init_p
: 1; /* var */
2853 /* The following apply to VAR, FUNCTION, TYPE, CONCEPT, & NAMESPACE
2855 unsigned module_purview_p
: 1; // in named-module purview
2856 unsigned module_attach_p
: 1; // attached to named module
2857 unsigned module_import_p
: 1; /* from an import */
2858 unsigned module_entity_p
: 1; /* is in the entitity ary &
2860 /* VAR_DECL or FUNCTION_DECL has keyed decls. */
2861 unsigned module_keyed_decls_p
: 1;
2863 /* 12 spare bits. */
2866 /* True for DECL codes which have template info and access. */
2867 #define LANG_DECL_HAS_MIN(NODE) \
2868 (VAR_OR_FUNCTION_DECL_P (NODE) \
2869 || TREE_CODE (NODE) == FIELD_DECL \
2870 || TREE_CODE (NODE) == CONST_DECL \
2871 || TREE_CODE (NODE) == TYPE_DECL \
2872 || TREE_CODE (NODE) == TEMPLATE_DECL \
2873 || TREE_CODE (NODE) == USING_DECL \
2874 || TREE_CODE (NODE) == CONCEPT_DECL)
2876 /* DECL_LANG_SPECIFIC for the above codes. */
2878 struct GTY(()) lang_decl_min
{
2879 struct lang_decl_base base
; /* 32-bits. */
2881 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
2883 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
2884 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
2885 DECL_TEMPLATE_INFO. */
2888 /* In a DECL_THUNK_P FUNCTION_DECL, this is THUNK_VIRTUAL_OFFSET.
2889 In a lambda-capture proxy VAR_DECL, this is DECL_CAPTURED_VARIABLE.
2890 In a function-scope TREE_STATIC VAR_DECL or IMPLICIT_TYPEDEF_P TYPE_DECL,
2891 this is DECL_DISCRIMINATOR.
2892 In a DECL_LOCAL_DECL_P decl, this is the namespace decl it aliases.
2893 Otherwise, in a class-scope DECL, this is DECL_ACCESS. */
2897 /* Additional DECL_LANG_SPECIFIC information for functions. */
2899 struct GTY(()) lang_decl_fn
{
2900 struct lang_decl_min min
;
2902 /* In a overloaded operator, this is the compressed operator code. */
2903 unsigned ovl_op_code
: 6;
2904 unsigned global_ctor_p
: 1;
2905 unsigned global_dtor_p
: 1;
2907 unsigned static_function
: 1;
2908 unsigned pure_virtual
: 1;
2909 unsigned defaulted_p
: 1;
2910 unsigned has_in_charge_parm_p
: 1;
2911 unsigned has_vtt_parm_p
: 1;
2912 unsigned pending_inline_p
: 1;
2913 unsigned nonconverting
: 1;
2914 unsigned thunk_p
: 1;
2916 unsigned this_thunk_p
: 1;
2917 unsigned omp_declare_reduction_p
: 1;
2918 unsigned has_dependent_explicit_spec_p
: 1;
2919 unsigned immediate_fn_p
: 1;
2920 unsigned maybe_deleted
: 1;
2921 unsigned coroutine_p
: 1;
2922 unsigned implicit_constexpr
: 1;
2926 /* 32-bits padding on 64-bit host. */
2928 /* For a non-thunk function decl, this is a tree list of
2929 friendly classes. For a thunk function decl, it is the
2930 thunked to function decl. */
2931 tree befriending_classes
;
2933 /* For a virtual FUNCTION_DECL for which
2934 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
2935 this pointer and result pointer adjusting thunks are
2936 chained here. This pointer thunks to return pointer thunks
2937 will be chained on the return pointer thunk.
2938 For a DECL_CONSTUCTOR_P FUNCTION_DECL, this is the base from
2939 whence we inherit. Otherwise, it is the class in which a
2940 (namespace-scope) friend is defined (if any). */
2945 /* In a non-thunk FUNCTION_DECL, this is DECL_CLONED_FUNCTION. */
2946 tree
GTY ((tag ("0"))) cloned_function
;
2948 /* In a FUNCTION_DECL for which THUNK_P holds this is the
2949 THUNK_FIXED_OFFSET. */
2950 HOST_WIDE_INT
GTY ((tag ("1"))) fixed_offset
;
2951 } GTY ((desc ("%1.thunk_p"))) u5
;
2955 struct cp_token_cache
* GTY ((tag ("1"))) pending_inline_info
;
2956 tree
GTY ((tag ("0"))) saved_auto_return_type
;
2957 } GTY ((desc ("%1.pending_inline_p"))) u
;
2961 /* DECL_LANG_SPECIFIC for namespaces. */
2963 struct GTY(()) lang_decl_ns
{
2964 struct lang_decl_base base
; /* 32 bits. */
2965 cp_binding_level
*level
;
2967 /* Inline children. Needs to be va_gc, because of PCH. */
2968 vec
<tree
, va_gc
> *inlinees
;
2970 /* Hash table of bound decls. It'd be nice to have this inline, but
2971 as the hash_map has a dtor, we can't then put this struct into a
2972 union (until moving to c++11). */
2973 hash_table
<named_decl_hash
> *bindings
;
2976 /* DECL_LANG_SPECIFIC for parameters. */
2978 struct GTY(()) lang_decl_parm
{
2979 struct lang_decl_base base
; /* 32 bits. */
2984 /* Additional DECL_LANG_SPECIFIC information for structured bindings. */
2986 struct GTY(()) lang_decl_decomp
{
2987 struct lang_decl_min min
;
2988 /* The artificial underlying "e" variable of the structured binding
2993 /* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a
2994 union rather than a struct containing a union as its only field, but
2995 tree.h declares it as a struct. */
2997 struct GTY(()) lang_decl
{
2998 union GTY((desc ("%h.base.selector"))) lang_decl_u
{
2999 /* Nothing of only the base type exists. */
3000 struct lang_decl_base
GTY ((default)) base
;
3001 struct lang_decl_min
GTY((tag ("lds_min"))) min
;
3002 struct lang_decl_fn
GTY ((tag ("lds_fn"))) fn
;
3003 struct lang_decl_ns
GTY((tag ("lds_ns"))) ns
;
3004 struct lang_decl_parm
GTY((tag ("lds_parm"))) parm
;
3005 struct lang_decl_decomp
GTY((tag ("lds_decomp"))) decomp
;
3009 /* Looks through a template (if present) to find what it declares. */
3010 #define STRIP_TEMPLATE(NODE) \
3011 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE)
3013 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
3015 #define LANG_DECL_MIN_CHECK(NODE) __extension__ \
3016 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
3017 if (!LANG_DECL_HAS_MIN (NODE)) \
3018 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
3021 /* We want to be able to check DECL_CONSTRUCTOR_P and such on a function
3022 template, not just on a FUNCTION_DECL. So when looking for things in
3023 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */
3024 #define LANG_DECL_FN_CHECK(NODE) __extension__ \
3025 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \
3026 if (!DECL_DECLARES_FUNCTION_P (NODE) \
3027 || lt->u.base.selector != lds_fn) \
3028 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
3031 #define LANG_DECL_NS_CHECK(NODE) __extension__ \
3032 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
3033 if (TREE_CODE (NODE) != NAMESPACE_DECL \
3034 || lt->u.base.selector != lds_ns) \
3035 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
3038 #define LANG_DECL_PARM_CHECK(NODE) __extension__ \
3039 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
3040 if (TREE_CODE (NODE) != PARM_DECL \
3041 || lt->u.base.selector != lds_parm) \
3042 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
3045 #define LANG_DECL_DECOMP_CHECK(NODE) __extension__ \
3046 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
3048 || lt->u.base.selector != lds_decomp) \
3049 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
3054 #define LANG_DECL_MIN_CHECK(NODE) \
3055 (&DECL_LANG_SPECIFIC (NODE)->u.min)
3057 #define LANG_DECL_FN_CHECK(NODE) \
3058 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn)
3060 #define LANG_DECL_NS_CHECK(NODE) \
3061 (&DECL_LANG_SPECIFIC (NODE)->u.ns)
3063 #define LANG_DECL_PARM_CHECK(NODE) \
3064 (&DECL_LANG_SPECIFIC (NODE)->u.parm)
3066 #define LANG_DECL_DECOMP_CHECK(NODE) \
3067 (&DECL_LANG_SPECIFIC (NODE)->u.decomp)
3069 #endif /* ENABLE_TREE_CHECKING */
3071 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
3072 declaration. Some entities (like a member function in a local
3073 class, or a local variable) do not have linkage at all, and this
3074 macro should not be used in those cases.
3076 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
3077 created by language-independent code, and has C linkage. Most
3078 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
3079 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
3080 #define DECL_LANGUAGE(NODE) \
3081 (DECL_LANG_SPECIFIC (NODE) \
3082 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \
3083 : (TREE_CODE (NODE) == FUNCTION_DECL \
3084 ? lang_c : lang_cplusplus))
3086 /* Set the language linkage for NODE to LANGUAGE. */
3087 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
3088 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE))
3090 /* For FUNCTION_DECLs and TEMPLATE_DECLs: nonzero means that this function
3091 is a constructor. */
3092 #define DECL_CONSTRUCTOR_P(NODE) \
3093 DECL_CXX_CONSTRUCTOR_P (STRIP_TEMPLATE (NODE))
3095 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
3097 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
3098 (DECL_NAME (NODE) == complete_ctor_identifier)
3100 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
3102 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
3103 (DECL_NAME (NODE) == base_ctor_identifier)
3105 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
3106 specialized in-charge constructor or the specialized not-in-charge
3108 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
3109 (DECL_NAME (NODE) == ctor_identifier)
3111 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
3112 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
3113 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
3115 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
3116 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
3117 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
3119 /* Nonzero if NODE (a FUNCTION_DECL or TEMPLATE_DECL)
3121 #define DECL_DESTRUCTOR_P(NODE) \
3122 DECL_CXX_DESTRUCTOR_P (STRIP_TEMPLATE (NODE))
3124 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
3125 specialized in-charge constructor, in-charge deleting constructor,
3126 or the base destructor. */
3127 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
3128 (DECL_NAME (NODE) == dtor_identifier)
3130 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
3132 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
3133 (DECL_NAME (NODE) == complete_dtor_identifier)
3135 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
3137 #define DECL_BASE_DESTRUCTOR_P(NODE) \
3138 (DECL_NAME (NODE) == base_dtor_identifier)
3140 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
3141 object that deletes the object after it has been destroyed. */
3142 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
3143 (DECL_NAME (NODE) == deleting_dtor_identifier)
3145 /* Nonzero if either DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P or
3146 DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P is true of NODE. */
3147 #define DECL_MAYBE_IN_CHARGE_CDTOR_P(NODE) \
3148 (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (NODE) \
3149 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (NODE))
3151 /* Nonzero if NODE (a _DECL) is a cloned constructor or
3153 #define DECL_CLONED_FUNCTION_P(NODE) \
3155 && IDENTIFIER_CDTOR_P (DECL_NAME (NODE)) \
3156 && !DECL_MAYBE_IN_CHARGE_CDTOR_P (NODE))
3158 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
3160 #define DECL_CLONED_FUNCTION(NODE) \
3161 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE))->u.fn.u5.cloned_function)
3163 /* Perform an action for each clone of FN, if FN is a function with
3164 clones. This macro should be used like:
3166 FOR_EACH_CLONE (clone, fn)
3170 #define FOR_EACH_CLONE(CLONE, FN) \
3171 if (!(TREE_CODE (FN) == FUNCTION_DECL \
3172 && DECL_MAYBE_IN_CHARGE_CDTOR_P (FN))) \
3175 for (CLONE = DECL_CHAIN (FN); \
3176 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
3177 CLONE = DECL_CHAIN (CLONE))
3179 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
3180 #define DECL_DISCRIMINATOR_P(NODE) \
3181 (((TREE_CODE (NODE) == VAR_DECL && TREE_STATIC (NODE)) \
3182 || DECL_IMPLICIT_TYPEDEF_P (NODE)) \
3183 && DECL_FUNCTION_SCOPE_P (NODE))
3185 /* Discriminator for name mangling. */
3186 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
3188 /* The index of a user-declared parameter in its function, starting at 1.
3189 All artificial parameters will have index 0. */
3190 #define DECL_PARM_INDEX(NODE) \
3191 (LANG_DECL_PARM_CHECK (NODE)->index)
3193 /* The level of a user-declared parameter in its function, starting at 1.
3194 A parameter of the function will have level 1; a parameter of the first
3195 nested function declarator (i.e. t in void f (void (*p)(T t))) will have
3197 #define DECL_PARM_LEVEL(NODE) \
3198 (LANG_DECL_PARM_CHECK (NODE)->level)
3200 /* Nonzero if the VTT parm has been added to NODE. */
3201 #define DECL_HAS_VTT_PARM_P(NODE) \
3202 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p)
3204 /* Nonzero if NODE is a user-defined conversion operator. */
3205 #define DECL_CONV_FN_P(NODE) IDENTIFIER_CONV_OP_P (DECL_NAME (NODE))
3207 /* The type to which conversion operator FN converts to. */
3208 #define DECL_CONV_FN_TYPE(FN) \
3209 TREE_TYPE ((gcc_checking_assert (DECL_CONV_FN_P (FN)), DECL_NAME (FN)))
3211 /* Nonzero if NODE, a static data member, was declared in its class as an
3212 array of unknown bound. */
3213 #define VAR_HAD_UNKNOWN_BOUND(NODE) \
3214 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3215 ? DECL_LANG_SPECIFIC (NODE)->u.base.unknown_bound_p \
3217 #define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
3218 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.unknown_bound_p = true)
3220 /* True iff decl NODE is for an overloaded operator. */
3221 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
3222 IDENTIFIER_ANY_OP_P (DECL_NAME (NODE))
3224 /* Nonzero if NODE is an assignment operator (including += and such). */
3225 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
3226 IDENTIFIER_ASSIGN_OP_P (DECL_NAME (NODE))
3228 /* NODE is a function_decl for an overloaded operator. Return its
3229 compressed (raw) operator code. Note that this is not a TREE_CODE. */
3230 #define DECL_OVERLOADED_OPERATOR_CODE_RAW(NODE) \
3231 (LANG_DECL_FN_CHECK (NODE)->ovl_op_code)
3233 /* DECL is an overloaded operator. Test whether it is for TREE_CODE
3234 (a literal constant). */
3235 #define DECL_OVERLOADED_OPERATOR_IS(DECL, CODE) \
3236 (DECL_OVERLOADED_OPERATOR_CODE_RAW (DECL) == OVL_OP_##CODE)
3238 /* For FUNCTION_DECLs: nonzero means that this function is a
3239 constructor or a destructor with an extra in-charge parameter to
3240 control whether or not virtual bases are constructed. */
3241 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
3242 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p)
3244 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
3245 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
3246 (TREE_CODE (NODE) == FUNCTION_DECL \
3247 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
3248 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
3250 /* Nonzero for _DECL means that this decl appears in (or will appear
3251 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
3252 detecting circularity in case members are multiply defined. In the
3253 case of a VAR_DECL, it means that no definition has been seen, even
3254 if an initializer has been. */
3255 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
3257 /* Nonzero for a VAR_DECL means that the variable's initialization (if
3258 any) has been processed. (In general, DECL_INITIALIZED_P is
3259 !DECL_EXTERNAL, but static data members may be initialized even if
3261 #define DECL_INITIALIZED_P(NODE) \
3262 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
3264 /* Nonzero for a VAR_DECL iff an explicit initializer was provided
3265 or a non-trivial constructor is called. */
3266 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
3267 (TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE)))
3269 /* Nonzero for a VAR_DECL that was initialized with a
3270 constant-expression. */
3271 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
3272 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
3274 /* Nonzero if the DECL was initialized in the class definition itself,
3275 rather than outside the class. This is used for both static member
3276 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
3277 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
3278 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3279 ->u.base.initialized_in_class)
3281 /* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr].
3282 Only available for decls with DECL_LANG_SPECIFIC. */
3283 #define DECL_ODR_USED(DECL) \
3284 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3287 /* Nonzero for FUNCTION_DECL means that this is a friend that is
3288 either not pushed into a namespace/looked up in a class (because it
3289 is a dependent type, in an uninstantiated template), or it has
3290 /only/ been subject to hidden friend injection from one or more
3291 befriending classes. Once another decl matches, the flag is
3292 cleared. There are requirements on its default parms. */
3293 #define DECL_UNIQUE_FRIEND_P(NODE) \
3294 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
3295 ->u.base.friend_or_tls)
3297 /* True of a TEMPLATE_DECL that is a template class friend. Such
3298 decls are not pushed until instantiated (as they may depend on
3299 parameters of the befriending class). DECL_CHAIN is the
3300 befriending class. */
3301 #define DECL_UNINSTANTIATED_TEMPLATE_FRIEND_P(NODE) \
3302 (DECL_LANG_FLAG_4 (TEMPLATE_DECL_CHECK (NODE)))
3304 /* Nonzero if the thread-local variable was declared with __thread as
3305 opposed to thread_local. */
3306 #define DECL_GNU_TLS_P(NODE) \
3307 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3308 && DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls)
3309 #define SET_DECL_GNU_TLS_P(NODE) \
3310 (retrofit_lang_decl (VAR_DECL_CHECK (NODE)), \
3311 DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls = true)
3313 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
3314 #define DECL_BEFRIENDING_CLASSES(NODE) \
3315 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
3317 /* Nonzero for FUNCTION_DECL means that this decl is a static
3319 #define DECL_STATIC_FUNCTION_P(NODE) \
3320 (LANG_DECL_FN_CHECK (NODE)->static_function)
3322 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
3324 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
3325 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
3327 /* Nonzero for FUNCTION_DECL means that this decl is a member function
3328 (static or non-static). */
3329 #define DECL_FUNCTION_MEMBER_P(NODE) \
3330 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
3332 /* Nonzero for FUNCTION_DECL means that this member function
3333 has `this' as const X *const. */
3334 #define DECL_CONST_MEMFUNC_P(NODE) \
3335 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3336 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
3337 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3339 /* Nonzero for FUNCTION_DECL means that this member function
3340 has `this' as volatile X *const. */
3341 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
3342 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3343 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
3344 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3346 /* Nonzero for a DECL means that this member is a non-static member. */
3347 #define DECL_NONSTATIC_MEMBER_P(NODE) \
3348 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3349 || TREE_CODE (NODE) == FIELD_DECL)
3351 /* Nonzero for a FIELD_DECL means that this member object type
3353 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (FIELD_DECL_CHECK (NODE)))
3355 /* Nonzero for _DECL means that this constructor or conversion function is
3357 #define DECL_NONCONVERTING_P(NODE) \
3358 (LANG_DECL_FN_CHECK (NODE)->nonconverting)
3360 /* Nonzero for FUNCTION_DECL means that this member function is a pure
3361 virtual function. */
3362 #define DECL_PURE_VIRTUAL_P(NODE) \
3363 (LANG_DECL_FN_CHECK (NODE)->pure_virtual)
3365 /* Nonzero for FUNCTION_DECL means that this member function (either
3366 a constructor or a conversion function) has an explicit specifier
3367 with a value-dependent expression. */
3368 #define DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P(NODE) \
3369 (LANG_DECL_FN_CHECK (NODE)->has_dependent_explicit_spec_p)
3371 /* Nonzero for a defaulted FUNCTION_DECL for which we haven't decided yet if
3372 it's deleted; we will decide in synthesize_method. */
3373 #define DECL_MAYBE_DELETED(NODE) \
3374 (LANG_DECL_FN_CHECK (NODE)->maybe_deleted)
3376 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
3377 invalid overrider for a function from a base class. Once we have
3378 complained about an invalid overrider we avoid complaining about it
3380 #define DECL_INVALID_OVERRIDER_P(NODE) \
3381 (DECL_LANG_FLAG_4 (NODE))
3383 /* True (in a FUNCTION_DECL) if NODE is a function declared with
3384 an override virt-specifier */
3385 #define DECL_OVERRIDE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
3387 /* The thunks associated with NODE, a FUNCTION_DECL. */
3388 #define DECL_THUNKS(NODE) \
3389 (DECL_VIRTUAL_P (NODE) ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3391 /* Set DECL_THUNKS. */
3392 #define SET_DECL_THUNKS(NODE,THUNKS) \
3393 (LANG_DECL_FN_CHECK (NODE)->context = (THUNKS))
3395 /* If NODE, a FUNCTION_DECL, is a C++11 inheriting constructor, then this
3396 is the constructor it inherits from. */
3397 #define DECL_INHERITED_CTOR(NODE) \
3398 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \
3399 ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3401 /* And this is the base that constructor comes from. */
3402 #define DECL_INHERITED_CTOR_BASE(NODE) \
3403 (DECL_INHERITED_CTOR (NODE) \
3404 ? DECL_CONTEXT (flag_new_inheriting_ctors \
3405 ? strip_inheriting_ctors (NODE) \
3406 : DECL_INHERITED_CTOR (NODE)) \
3409 /* Set the inherited base. */
3410 #define SET_DECL_INHERITED_CTOR(NODE,INH) \
3411 (LANG_DECL_FN_CHECK (NODE)->context = (INH))
3413 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
3414 #define DECL_THUNK_P(NODE) \
3415 (TREE_CODE (NODE) == FUNCTION_DECL \
3416 && DECL_LANG_SPECIFIC (NODE) \
3417 && LANG_DECL_FN_CHECK (NODE)->thunk_p)
3419 /* Set DECL_THUNK_P for node. */
3420 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
3421 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \
3422 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING))
3424 /* Nonzero if NODE is a this pointer adjusting thunk. */
3425 #define DECL_THIS_THUNK_P(NODE) \
3426 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3428 /* Nonzero if NODE is a result pointer adjusting thunk. */
3429 #define DECL_RESULT_THUNK_P(NODE) \
3430 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3432 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
3433 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
3434 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
3436 /* Nonzero if NODE is `extern "C"'. */
3437 #define DECL_EXTERN_C_P(NODE) \
3438 (DECL_LANGUAGE (NODE) == lang_c)
3440 /* Nonzero if NODE is an `extern "C"' function. */
3441 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
3442 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
3444 /* Non-zero if this variable is declared `constinit' specifier. */
3445 #define DECL_DECLARED_CONSTINIT_P(NODE) \
3446 (DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE)))
3448 /* True if DECL is declared 'constexpr'. */
3449 #define DECL_DECLARED_CONSTEXPR_P(DECL) \
3450 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (STRIP_TEMPLATE (DECL)))
3452 /* True if FNDECL is an immediate function. */
3453 #define DECL_IMMEDIATE_FUNCTION_P(NODE) \
3454 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (STRIP_TEMPLATE (NODE))) \
3455 ? LANG_DECL_FN_CHECK (NODE)->immediate_fn_p \
3457 #define SET_DECL_IMMEDIATE_FUNCTION_P(NODE) \
3458 (retrofit_lang_decl (FUNCTION_DECL_CHECK (NODE)), \
3459 LANG_DECL_FN_CHECK (NODE)->immediate_fn_p = true)
3461 // True if NODE was declared as 'concept'. The flag implies that the
3462 // declaration is constexpr, that the declaration cannot be specialized or
3463 // refined, and that the result type must be convertible to bool.
3464 #define DECL_DECLARED_CONCEPT_P(NODE) \
3465 (DECL_LANG_SPECIFIC (NODE)->u.base.concept_p)
3467 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
3468 template function. */
3469 #define DECL_PRETTY_FUNCTION_P(NODE) \
3471 && id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__"))
3473 /* For a DECL, true if it is __func__ or similar. */
3474 #define DECL_FNAME_P(NODE) \
3475 (VAR_P (NODE) && DECL_NAME (NODE) && DECL_ARTIFICIAL (NODE) \
3476 && DECL_HAS_VALUE_EXPR_P (NODE) \
3477 && (id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__") \
3478 || id_equal (DECL_NAME (NODE), "__FUNCTION__") \
3479 || id_equal (DECL_NAME (NODE), "__func__")))
3481 /* Nonzero if the variable was declared to be thread-local.
3482 We need a special C++ version of this test because the middle-end
3483 DECL_THREAD_LOCAL_P uses the symtab, so we can't use it for
3485 #define CP_DECL_THREAD_LOCAL_P(NODE) \
3486 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
3488 /* The _TYPE context in which this _DECL appears. This field holds the
3489 class where a virtual function instance is actually defined. */
3490 #define DECL_CLASS_CONTEXT(NODE) \
3491 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
3493 /* For a non-member friend function, the class (if any) in which this
3494 friend was defined. For example, given:
3496 struct S { friend void f () { ... } };
3498 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
3499 #define DECL_FRIEND_CONTEXT(NODE) \
3500 ((DECL_DECLARES_FUNCTION_P (NODE) && !DECL_VIRTUAL_P (NODE) \
3501 && !DECL_CONSTRUCTOR_P (NODE)) \
3502 ? LANG_DECL_FN_CHECK (NODE)->context \
3505 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
3506 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
3507 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT))
3509 #define CP_DECL_CONTEXT(NODE) \
3510 (!DECL_FILE_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
3511 #define CP_TYPE_CONTEXT(NODE) \
3512 (!TYPE_FILE_SCOPE_P (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
3513 #define FROB_CONTEXT(NODE) \
3514 ((NODE) == global_namespace ? DECL_CONTEXT (NODE) : (NODE))
3516 /* 1 iff NODE has namespace scope, including the global namespace. */
3517 #define DECL_NAMESPACE_SCOPE_P(NODE) \
3518 (!DECL_TEMPLATE_PARM_P (NODE) \
3519 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
3521 #define TYPE_NAMESPACE_SCOPE_P(NODE) \
3522 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
3524 #define NAMESPACE_SCOPE_P(NODE) \
3525 ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \
3526 || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE)))
3528 /* 1 iff NODE is a class member. */
3529 #define DECL_CLASS_SCOPE_P(NODE) \
3530 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
3532 #define TYPE_CLASS_SCOPE_P(NODE) \
3533 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
3535 /* 1 iff NODE is function-local. */
3536 #define DECL_FUNCTION_SCOPE_P(NODE) \
3537 (DECL_CONTEXT (NODE) \
3538 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
3540 #define TYPE_FUNCTION_SCOPE_P(NODE) \
3541 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
3543 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
3544 both the primary typeinfo object and the associated NTBS name. */
3545 #define DECL_TINFO_P(NODE) \
3546 TREE_LANG_FLAG_4 (TREE_CHECK2 (NODE,VAR_DECL,TYPE_DECL))
3548 /* true iff VAR_DECL node NODE is a NTTP object decl. */
3549 #define DECL_NTTP_OBJECT_P(NODE) \
3550 TREE_LANG_FLAG_5 (TREE_CHECK (NODE,VAR_DECL))
3552 /* 1 iff VAR_DECL node NODE is virtual table or VTT. We forward to
3553 DECL_VIRTUAL_P from the common code, as that has the semantics we
3554 need. But we want a more descriptive name. */
3555 #define DECL_VTABLE_OR_VTT_P(NODE) DECL_VIRTUAL_P (VAR_DECL_CHECK (NODE))
3557 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has a ref-qualifier (either & or &&). */
3558 #define FUNCTION_REF_QUALIFIED(NODE) \
3559 TREE_LANG_FLAG_4 (FUNC_OR_METHOD_CHECK (NODE))
3561 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has &&-ref-qualifier. */
3562 #define FUNCTION_RVALUE_QUALIFIED(NODE) \
3563 TREE_LANG_FLAG_5 (FUNC_OR_METHOD_CHECK (NODE))
3565 /* 1 iff NODE is function-local, but for types. */
3566 #define LOCAL_CLASS_P(NODE) \
3567 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
3569 /* The nesting depth of namespace, class or function. Makes is_ancestor much
3570 simpler. Only 8 bits available. */
3571 #define SCOPE_DEPTH(NODE) \
3572 (NAMESPACE_DECL_CHECK (NODE)->base.u.bits.address_space)
3574 /* Whether the namepace is an inline namespace. */
3575 #define DECL_NAMESPACE_INLINE_P(NODE) \
3576 TREE_LANG_FLAG_0 (NAMESPACE_DECL_CHECK (NODE))
3578 /* In a NAMESPACE_DECL, a vector of inline namespaces. */
3579 #define DECL_NAMESPACE_INLINEES(NODE) \
3580 (LANG_DECL_NS_CHECK (NODE)->inlinees)
3582 /* Pointer to hash_map from IDENTIFIERS to DECLS */
3583 #define DECL_NAMESPACE_BINDINGS(NODE) \
3584 (LANG_DECL_NS_CHECK (NODE)->bindings)
3586 /* In a NAMESPACE_DECL, points to the original namespace if this is
3587 a namespace alias. */
3588 #define DECL_NAMESPACE_ALIAS(NODE) \
3589 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
3590 #define ORIGINAL_NAMESPACE(NODE) \
3591 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
3593 /* Nonzero if NODE is the std namespace. */
3594 #define DECL_NAMESPACE_STD_P(NODE) \
3595 ((NODE) == std_node)
3597 /* In a TREE_LIST in an attribute list, indicates that the attribute
3598 must be applied at instantiation time. */
3599 #define ATTR_IS_DEPENDENT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3601 /* In a TREE_LIST in the argument of attribute abi_tag, indicates that the tag
3602 was inherited from a template parameter, not explicitly indicated. */
3603 #define ABI_TAG_IMPLICIT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3605 /* In a TREE_LIST for a parameter-declaration-list, indicates that all the
3606 parameters in the list have declarators enclosed in (). */
3607 #define PARENTHESIZED_LIST_P(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3609 /* Non zero if this is a using decl for a dependent scope. */
3610 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
3612 /* The scope named in a using decl. */
3613 #define USING_DECL_SCOPE(NODE) DECL_RESULT_FLD (USING_DECL_CHECK (NODE))
3615 /* The decls named by a using decl. */
3616 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
3618 /* Non zero if the using decl refers to a dependent type. */
3619 #define USING_DECL_TYPENAME_P(NODE) DECL_LANG_FLAG_1 (USING_DECL_CHECK (NODE))
3621 /* True if member using decl NODE refers to a non-inherited NODE. */
3622 #define USING_DECL_UNRELATED_P(NODE) DECL_LANG_FLAG_2 (USING_DECL_CHECK (NODE))
3624 /* True iff the CONST_DECL is a class-scope clone from C++20 using enum,
3625 created by handle_using_decl. */
3626 #define CONST_DECL_USING_P(NODE) \
3627 (TREE_CODE (NODE) == CONST_DECL \
3628 && TREE_TYPE (NODE) \
3629 && TREE_CODE (TREE_TYPE (NODE)) == ENUMERAL_TYPE \
3630 && DECL_CONTEXT (NODE) != TREE_TYPE (NODE))
3632 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
3633 the class definition. We have saved away the text of the function,
3634 but have not yet processed it. */
3635 #define DECL_PENDING_INLINE_P(NODE) \
3636 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p)
3638 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
3640 #define DECL_PENDING_INLINE_INFO(NODE) \
3641 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info)
3643 /* Nonzero for TYPE_DECL means that it was written 'using name = type'. */
3644 #define TYPE_DECL_ALIAS_P(NODE) \
3645 DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (NODE))
3647 /* Nonzero for TEMPLATE_DECL means that it is a 'complex' alias template. */
3648 #define TEMPLATE_DECL_COMPLEX_ALIAS_P(NODE) \
3649 DECL_LANG_FLAG_2 (TEMPLATE_DECL_CHECK (NODE))
3651 /* Nonzero for a type which is an alias for another type; i.e, a type
3652 which declaration was written 'using name-of-type =
3654 #define TYPE_ALIAS_P(NODE) \
3656 && TYPE_NAME (NODE) \
3657 && TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
3658 && TYPE_DECL_ALIAS_P (TYPE_NAME (NODE)))
3660 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL, TEMPLATE_DECL,
3661 or CONCEPT_DECL, the entity is either a template specialization (if
3662 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
3665 In either case, DECL_TEMPLATE_INFO is a TEMPLATE_INFO, whose
3666 TI_TEMPLATE is the TEMPLATE_DECL of which this entity is a
3667 specialization or abstract instance. The TI_ARGS is the
3668 template arguments used to specialize the template.
3672 template <typename T> struct S { friend void f(T) {} };
3674 In this case, S<int>::f is, from the point of view of the compiler,
3675 an instantiation of a template -- but, from the point of view of
3676 the language, each instantiation of S results in a wholly unrelated
3677 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
3678 will be non-NULL, but DECL_USE_TEMPLATE will be zero.
3680 In a friend declaration, TI_TEMPLATE can be an overload set, or
3682 #define DECL_TEMPLATE_INFO(NODE) \
3683 (DECL_LANG_SPECIFIC (TEMPLATE_INFO_DECL_CHECK (NODE)) \
3684 ->u.min.template_info)
3686 /* For a lambda capture proxy, its captured variable. */
3687 #define DECL_CAPTURED_VARIABLE(NODE) \
3688 (LANG_DECL_MIN_CHECK (NODE)->access)
3690 /* For a VAR_DECL, indicates that the variable is actually a
3691 non-static data member of anonymous union that has been promoted to
3693 #define DECL_ANON_UNION_VAR_P(NODE) \
3694 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
3696 /* Template information for a RECORD_TYPE or UNION_TYPE. */
3697 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
3698 (TYPE_LANG_SLOT_1 (RECORD_OR_UNION_CHECK (NODE)))
3700 /* Template information for a template template parameter. */
3701 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
3702 (TYPE_LANG_SLOT_1 (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)))
3704 /* Template information for an ENUMERAL_, RECORD_, UNION_TYPE, or
3705 BOUND_TEMPLATE_TEMPLATE_PARM type. This ignores any alias
3706 templateness of NODE. It'd be nice if this could unconditionally
3707 access the slot, rather than return NULL if given a
3708 non-templatable type. */
3709 #define TYPE_TEMPLATE_INFO(NODE) \
3710 (TREE_CODE (NODE) == ENUMERAL_TYPE \
3711 || TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
3712 || RECORD_OR_UNION_TYPE_P (NODE) \
3713 ? TYPE_LANG_SLOT_1 (NODE) : NULL_TREE)
3715 /* Template information (if any) for an alias type. */
3716 #define TYPE_ALIAS_TEMPLATE_INFO(NODE) \
3717 (DECL_LANG_SPECIFIC (TYPE_NAME (NODE)) \
3718 ? DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) \
3721 /* If NODE is a type alias, this accessor returns the template info
3722 for the alias template (if any). Otherwise behave as
3723 TYPE_TEMPLATE_INFO. */
3724 #define TYPE_TEMPLATE_INFO_MAYBE_ALIAS(NODE) \
3725 (typedef_variant_p (NODE) \
3726 ? TYPE_ALIAS_TEMPLATE_INFO (NODE) \
3727 : TYPE_TEMPLATE_INFO (NODE))
3729 /* Set the template information for a non-alias n ENUMERAL_, RECORD_,
3730 or UNION_TYPE to VAL. ALIAS's are dealt with separately. */
3731 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
3732 (TREE_CODE (NODE) == ENUMERAL_TYPE \
3733 || (CLASS_TYPE_P (NODE) && !TYPE_ALIAS_P (NODE)) \
3734 ? (TYPE_LANG_SLOT_1 (NODE) = (VAL)) \
3735 : (DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) = (VAL))) \
3737 #define TI_TEMPLATE(NODE) \
3738 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->tmpl
3739 #define TI_ARGS(NODE) \
3740 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->args
3741 #define TI_PENDING_TEMPLATE_FLAG(NODE) \
3742 TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE))
3743 /* For a given TREE_VEC containing a template argument list,
3744 this property contains the number of arguments that are not
3746 #define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3747 TREE_CHAIN (TREE_VEC_CHECK (NODE))
3749 /* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT
3751 #define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \
3752 NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE)
3754 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3755 int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE))
3757 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3758 NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \
3759 ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \
3760 : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE))
3763 /* The list of access checks that were deferred during parsing
3764 which need to be performed at template instantiation time.
3766 FIXME this should be associated with the TEMPLATE_DECL, not the
3768 #define TI_DEFERRED_ACCESS_CHECKS(NODE) \
3769 ((struct tree_template_info*)TEMPLATE_INFO_CHECK \
3770 (NODE))->deferred_access_checks
3772 /* We use TREE_VECs to hold template arguments. If there is only one
3773 level of template arguments, then the TREE_VEC contains the
3774 arguments directly. If there is more than one level of template
3775 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
3776 containing the template arguments for a single level. The first
3777 entry in the outer TREE_VEC is the outermost level of template
3778 parameters; the last is the innermost.
3780 It is incorrect to ever form a template argument vector containing
3781 only one level of arguments, but which is a TREE_VEC containing as
3782 its only entry the TREE_VEC for that level.
3784 For each TREE_VEC containing the template arguments for a single
3785 level, it's possible to get or set the number of non defaulted
3786 template arguments by using the accessor macros
3787 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or
3788 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */
3790 /* Nonzero if the template arguments is actually a vector of vectors,
3791 rather than just a vector. */
3792 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
3793 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \
3794 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
3796 /* The depth of a template argument vector. When called directly by
3797 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
3798 template arguments. In that case, there is only one level of template
3799 arguments. We may even see NULL_TREE if there are 0 levels of
3800 template arguments, as in cp_parser_requires_expression. */
3801 #define TMPL_ARGS_DEPTH(NODE) \
3802 ((NODE) == NULL_TREE ? 0 \
3803 : TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) \
3806 /* The LEVELth level of the template ARGS. The outermost level of
3807 args is level 1, not level 0. */
3808 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
3809 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
3810 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) \
3811 : (gcc_checking_assert ((LEVEL) == 1), (ARGS)))
3813 /* Set the LEVELth level of the template ARGS to VAL. This macro does
3814 not work with single-level argument vectors. */
3815 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
3816 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
3818 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
3819 #define TMPL_ARG(ARGS, LEVEL, IDX) \
3820 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
3822 /* Given a single level of template arguments in NODE, return the
3823 number of arguments. */
3824 #define NUM_TMPL_ARGS(NODE) \
3825 (TREE_VEC_LENGTH (NODE))
3827 /* Returns the innermost level of template arguments in ARGS. */
3828 #define INNERMOST_TEMPLATE_ARGS(NODE) \
3829 (get_innermost_template_args ((NODE), 1))
3831 /* The number of levels of template parameters given by NODE. */
3832 #define TMPL_PARMS_DEPTH(NODE) \
3833 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
3835 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
3836 TEMPLATE_DECL will be the immediate parent, not the most general
3837 template. For example, in:
3839 template <class T> struct S { template <class U> void f(U); }
3841 the FUNCTION_DECL for S<int>::f<double> will have, as its
3842 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
3844 As a special case, for a member friend template of a template
3845 class, this value will not be a TEMPLATE_DECL, but rather an
3846 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
3847 any explicit template arguments provided. For example, in:
3849 template <class T> struct S { friend void f<int>(int, double); }
3851 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
3852 DECL_TI_ARGS will be {int}.
3854 For a FIELD_DECL with a non-static data member initializer, this value
3855 is the FIELD_DECL it was instantiated from. */
3856 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
3858 /* The template arguments used to obtain this decl from the most
3859 general form of DECL_TI_TEMPLATE. For the example given for
3860 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
3861 are always the full set of arguments required to instantiate this
3862 declaration from the most general template specialized here. */
3863 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
3865 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
3866 will be generated from a partial specialization, the TEMPLATE_DECL
3867 referred to here will be the original template. For example,
3870 template <typename T> struct S {};
3871 template <typename T> struct S<T*> {};
3873 the CLASSTYPE_TI_TEMPLATE for S<int*> will be S, not the S<T*>.
3875 For a member class template, CLASSTYPE_TI_TEMPLATE always refers to the
3876 partial instantiation rather than the primary template. CLASSTYPE_TI_ARGS
3877 are for the primary template if the partial instantiation isn't
3878 specialized, or for the explicit specialization if it is, e.g.
3880 template <class T> class C { template <class U> class D; }
3881 template <> template <class U> class C<int>::D; */
3882 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
3883 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
3885 /* For a template instantiation TYPE, returns the TYPE corresponding
3886 to the primary template. Otherwise returns TYPE itself. */
3887 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
3888 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
3889 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
3890 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
3891 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
3894 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
3895 #define TYPE_TI_TEMPLATE(NODE) \
3896 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
3898 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
3899 #define TYPE_TI_ARGS(NODE) \
3900 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
3902 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
3904 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
3905 sense of [temp.mem]. */
3906 #define DECL_MEMBER_TEMPLATE_P(NODE) \
3907 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
3909 /* Nonzero if the NODE corresponds to the template parameters for a
3910 member template, whose inline definition is being processed after
3911 the class definition is complete. */
3912 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
3914 /* Determine if a declaration (PARM_DECL or FIELD_DECL) is a pack. */
3915 #define DECL_PACK_P(NODE) \
3916 (DECL_P (NODE) && PACK_EXPANSION_P (TREE_TYPE (NODE)))
3918 /* Determines if NODE is an expansion of one or more parameter packs,
3919 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
3920 #define PACK_EXPANSION_P(NODE) \
3921 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3922 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
3924 #define PACK_EXPANSION_CHECK(NODE) \
3925 TREE_CHECK2 (NODE, TYPE_PACK_EXPANSION, EXPR_PACK_EXPANSION)
3927 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
3928 EXPR_PACK_EXPANSION. */
3929 #define PACK_EXPANSION_PATTERN(NODE) \
3930 (TREE_CODE (PACK_EXPANSION_CHECK (NODE)) == TYPE_PACK_EXPANSION \
3931 ? TREE_TYPE (NODE) : TREE_OPERAND (NODE, 0))
3933 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
3934 TREE_VALUE of each TREE_LIST contains the parameter packs. */
3935 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) \
3936 *(TREE_CODE (PACK_EXPANSION_CHECK (NODE)) == EXPR_PACK_EXPANSION \
3937 ? &TREE_OPERAND (NODE, 1) \
3938 : &TYPE_MIN_VALUE_RAW (TYPE_PACK_EXPANSION_CHECK (NODE)))
3940 /* Any additional template args to be applied when substituting into
3941 the pattern, set by tsubst_pack_expansion for partial instantiations.
3942 If this is a TREE_LIST, the TREE_VALUE of the first element is the
3943 usual template argument TREE_VEC, and the TREE_PURPOSE of later elements
3944 are enclosing functions that provided function parameter packs we'll need
3945 to map appropriately. */
3946 #define PACK_EXPANSION_EXTRA_ARGS(NODE) \
3947 *(TREE_CODE (PACK_EXPANSION_CHECK (NODE)) == TYPE_PACK_EXPANSION \
3948 ? &TYPE_MAX_VALUE_RAW (NODE) \
3949 : &TREE_OPERAND ((NODE), 2))
3951 /* True iff this pack expansion is within a function context. */
3952 #define PACK_EXPANSION_LOCAL_P(NODE) \
3953 TREE_LANG_FLAG_0 (PACK_EXPANSION_CHECK (NODE))
3955 /* True iff this pack expansion is for sizeof.... */
3956 #define PACK_EXPANSION_SIZEOF_P(NODE) \
3957 TREE_LANG_FLAG_1 (PACK_EXPANSION_CHECK (NODE))
3959 /* True iff this pack expansion is for auto... in lambda init-capture. */
3960 #define PACK_EXPANSION_AUTO_P(NODE) \
3961 TREE_LANG_FLAG_2 (PACK_EXPANSION_CHECK (NODE))
3963 /* True if we must use PACK_EXPANSION_EXTRA_ARGS and avoid partial
3964 instantiation of this pack expansion. */
3965 #define PACK_EXPANSION_FORCE_EXTRA_ARGS_P(NODE) \
3966 TREE_LANG_FLAG_3 (PACK_EXPANSION_CHECK (NODE))
3968 /* True iff the wildcard can match a template parameter pack. */
3969 #define WILDCARD_PACK_P(NODE) TREE_LANG_FLAG_0 (NODE)
3971 /* Determine if this is an argument pack. */
3972 #define ARGUMENT_PACK_P(NODE) \
3973 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
3974 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
3976 #define ARGUMENT_PACK_CHECK(NODE) \
3977 TREE_CHECK2 (NODE, TYPE_ARGUMENT_PACK, NONTYPE_ARGUMENT_PACK)
3979 /* The arguments stored in an argument pack. Arguments are stored in a
3980 TREE_VEC, which may have length zero. */
3981 #define ARGUMENT_PACK_ARGS(NODE) \
3982 (TREE_CODE (ARGUMENT_PACK_CHECK (NODE)) == TYPE_ARGUMENT_PACK \
3983 ? TREE_TYPE (NODE) : TREE_OPERAND (NODE, 0))
3985 /* Whether the argument pack is "incomplete", meaning that more
3986 arguments can still be deduced. Incomplete argument packs are only
3987 used when the user has provided an explicit template argument list
3988 for a variadic function template. Some of the explicit template
3989 arguments will be placed into the beginning of the argument pack,
3990 but additional arguments might still be deduced. */
3991 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
3992 TREE_ADDRESSABLE (ARGUMENT_PACK_ARGS (NODE))
3994 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
3995 arguments used to fill this pack. */
3996 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
3997 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
3999 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
4000 argument will be selected. */
4001 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
4002 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
4004 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
4006 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
4007 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
4009 #define FOLD_EXPR_CHECK(NODE) \
4010 TREE_CHECK4 (NODE, UNARY_LEFT_FOLD_EXPR, UNARY_RIGHT_FOLD_EXPR, \
4011 BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
4013 #define BINARY_FOLD_EXPR_CHECK(NODE) \
4014 TREE_CHECK2 (NODE, BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
4016 /* True if NODE is UNARY_FOLD_EXPR or a BINARY_FOLD_EXPR */
4017 #define FOLD_EXPR_P(NODE) \
4018 (TREE_CODE (NODE) == UNARY_LEFT_FOLD_EXPR \
4019 || TREE_CODE (NODE) == UNARY_RIGHT_FOLD_EXPR \
4020 || TREE_CODE (NODE) == BINARY_LEFT_FOLD_EXPR \
4021 || TREE_CODE (NODE) == BINARY_RIGHT_FOLD_EXPR)
4023 /* True when NODE is a fold over a compound assignment operator. */
4024 #define FOLD_EXPR_MODIFY_P(NODE) \
4025 TREE_LANG_FLAG_0 (FOLD_EXPR_CHECK (NODE))
4027 /* An INTEGER_CST containing the tree code of the folded operator. */
4028 #define FOLD_EXPR_OP_RAW(NODE) \
4029 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 0)
4031 /* The tree code of the folded operator. */
4032 #define FOLD_EXPR_OP(NODE) \
4033 ((enum tree_code) TREE_INT_CST_LOW (FOLD_EXPR_OP_RAW (NODE)))
4035 /* The expression containing an unexpanded parameter pack. */
4036 #define FOLD_EXPR_PACK(NODE) \
4037 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 1)
4039 /* In a binary fold expression, the argument with no unexpanded
4041 #define FOLD_EXPR_INIT(NODE) \
4042 TREE_OPERAND (BINARY_FOLD_EXPR_CHECK (NODE), 2)
4044 /* In a FUNCTION_DECL, the saved auto-return pattern. */
4045 #define DECL_SAVED_AUTO_RETURN_TYPE(NODE) \
4046 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \
4047 ->u.saved_auto_return_type)
4049 /* True if NODE is an implicit INDIRECT_REF from convert_from_reference. */
4050 #define REFERENCE_REF_P(NODE) \
4051 (INDIRECT_REF_P (NODE) \
4052 && TREE_TYPE (TREE_OPERAND (NODE, 0)) \
4053 && TYPE_REF_P (TREE_TYPE (TREE_OPERAND ((NODE), 0))))
4055 /* True iff this represents an lvalue being treated as an rvalue during return
4056 or throw as per [class.copy.elision]. */
4057 #define IMPLICIT_RVALUE_P(NODE) \
4058 TREE_LANG_FLAG_3 (TREE_CHECK2 ((NODE), NON_LVALUE_EXPR, STATIC_CAST_EXPR))
4060 #define NEW_EXPR_USE_GLOBAL(NODE) \
4061 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
4062 #define DELETE_EXPR_USE_GLOBAL(NODE) \
4063 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
4064 #define DELETE_EXPR_USE_VEC(NODE) \
4065 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
4067 #define CALL_OR_AGGR_INIT_CHECK(NODE) \
4068 TREE_CHECK2 ((NODE), CALL_EXPR, AGGR_INIT_EXPR)
4070 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
4071 should be performed at instantiation time. */
4072 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
4074 /* True if the arguments to NODE should be evaluated in left-to-right
4075 order regardless of PUSH_ARGS_REVERSED. */
4076 #define CALL_EXPR_ORDERED_ARGS(NODE) \
4077 TREE_LANG_FLAG_3 (CALL_OR_AGGR_INIT_CHECK (NODE))
4079 /* True if the arguments to NODE should be evaluated in right-to-left
4080 order regardless of PUSH_ARGS_REVERSED. */
4081 #define CALL_EXPR_REVERSE_ARGS(NODE) \
4082 TREE_LANG_FLAG_5 (CALL_OR_AGGR_INIT_CHECK (NODE))
4084 /* True if CALL_EXPR was written as an operator expression, not a function
4086 #define CALL_EXPR_OPERATOR_SYNTAX(NODE) \
4087 TREE_LANG_FLAG_6 (CALL_OR_AGGR_INIT_CHECK (NODE))
4089 /* A TREE_LIST containing the result of phase 1 name lookup of the operator
4090 overloads that are pertinent to the dependent operator expression whose
4091 type is NODE. Each TREE_PURPOSE is an IDENTIFIER_NODE and TREE_VALUE is
4092 the corresponding (possibly empty) lookup result. The TREE_TYPE of the
4093 first TREE_LIST node points back to NODE. */
4094 #define DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS(NODE) \
4095 TYPE_VALUES_RAW (DEPENDENT_OPERATOR_TYPE_CHECK (NODE))
4097 /* Guarded helper for the above accessor macro that takes a (templated)
4098 operator expression instead of the type thereof. */
4100 templated_operator_saved_lookups (tree t
)
4102 tree type
= TREE_TYPE (EXPR_CHECK (t
));
4103 if (type
&& TREE_CODE (type
) == DEPENDENT_OPERATOR_TYPE
)
4104 return DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS (type
);
4109 /* Indicates whether a string literal has been parenthesized. Such
4110 usages are disallowed in certain circumstances. */
4112 #define PAREN_STRING_LITERAL_P(NODE) \
4113 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
4115 /* Indicates whether a COMPONENT_REF or a SCOPE_REF has been parenthesized, an
4116 INDIRECT_REF comes from parenthesizing a _DECL, or a PAREN_EXPR identifies a
4117 parenthesized initializer relevant for decltype(auto). Currently only set
4118 some of the time in C++14 mode. */
4120 #define REF_PARENTHESIZED_P(NODE) \
4121 TREE_LANG_FLAG_2 (TREE_CHECK5 ((NODE), COMPONENT_REF, INDIRECT_REF, SCOPE_REF, VIEW_CONVERT_EXPR, PAREN_EXPR))
4123 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
4124 constructor call, rather than an ordinary function call. */
4125 #define AGGR_INIT_VIA_CTOR_P(NODE) \
4126 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
4128 /* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize
4130 #define AGGR_INIT_ZERO_FIRST(NODE) \
4131 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE))
4133 /* Nonzero means that the call is the jump from a thunk to the
4134 thunked-to function. */
4135 #define AGGR_INIT_FROM_THUNK_P(NODE) \
4136 (AGGR_INIT_EXPR_CHECK (NODE)->base.protected_flag)
4138 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
4139 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
4140 CALL_EXPR_STATIC_CHAIN). */
4142 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
4143 #define AGGR_INIT_EXPR_SLOT(NODE) \
4144 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
4145 #define AGGR_INIT_EXPR_ARG(NODE, I) \
4146 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
4147 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
4149 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
4150 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
4151 the argument count is zero when checking is enabled. Instead, do
4152 the pointer arithmetic to advance past the 3 fixed operands in a
4153 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
4154 the operand array, even if it's not valid to dereference it. */
4155 #define AGGR_INIT_EXPR_ARGP(NODE) \
4156 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
4158 /* Abstract iterators for AGGR_INIT_EXPRs. */
4160 /* Structure containing iterator state. */
4161 struct aggr_init_expr_arg_iterator
{
4162 tree t
; /* the aggr_init_expr */
4163 int n
; /* argument count */
4164 int i
; /* next argument index */
4167 /* Initialize the abstract argument list iterator object ITER with the
4168 arguments from AGGR_INIT_EXPR node EXP. */
4170 init_aggr_init_expr_arg_iterator (tree exp
,
4171 aggr_init_expr_arg_iterator
*iter
)
4174 iter
->n
= aggr_init_expr_nargs (exp
);
4178 /* Return the next argument from abstract argument list iterator object ITER,
4179 and advance its state. Return NULL_TREE if there are no more arguments. */
4181 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator
*iter
)
4184 if (iter
->i
>= iter
->n
)
4186 result
= AGGR_INIT_EXPR_ARG (iter
->t
, iter
->i
);
4191 /* Initialize the abstract argument list iterator object ITER, then advance
4192 past and return the first argument. Useful in for expressions, e.g.
4193 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
4194 arg = next_aggr_init_expr_arg (&iter)) */
4196 first_aggr_init_expr_arg (tree exp
, aggr_init_expr_arg_iterator
*iter
)
4198 init_aggr_init_expr_arg_iterator (exp
, iter
);
4199 return next_aggr_init_expr_arg (iter
);
4202 /* Test whether there are more arguments in abstract argument list iterator
4203 ITER, without changing its state. */
4205 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator
*iter
)
4207 return (iter
->i
< iter
->n
);
4210 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
4211 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
4212 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
4213 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
4214 (arg) = next_aggr_init_expr_arg (&(iter)))
4216 /* We have an expression tree T that represents a call, either CALL_EXPR
4217 or AGGR_INIT_EXPR. Return a reference to the Nth argument. */
4220 get_nth_callarg (tree t
, int n
)
4222 switch (TREE_CODE (t
))
4225 return CALL_EXPR_ARG (t
, n
);
4227 case AGGR_INIT_EXPR
:
4228 return AGGR_INIT_EXPR_ARG (t
, n
);
4235 /* VEC_INIT_EXPR accessors. */
4236 #define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 0)
4237 #define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 1)
4239 /* Indicates that a VEC_INIT_EXPR is a potential constant expression.
4240 Only set when the current function is constexpr. */
4241 #define VEC_INIT_EXPR_IS_CONSTEXPR(NODE) \
4242 TREE_LANG_FLAG_0 (VEC_INIT_EXPR_CHECK (NODE))
4244 /* Indicates that a VEC_INIT_EXPR is expressing value-initialization. */
4245 #define VEC_INIT_EXPR_VALUE_INIT(NODE) \
4246 TREE_LANG_FLAG_1 (VEC_INIT_EXPR_CHECK (NODE))
4248 /* If T is a VEC_INIT_EXPR, return it, possibly stripping a TARGET_EXPR
4249 wrapper. Otherwise, return null. */
4251 get_vec_init_expr (tree t
)
4253 if (t
&& TREE_CODE (t
) == TARGET_EXPR
)
4254 t
= TARGET_EXPR_INITIAL (t
);
4255 if (t
&& TREE_CODE (t
) == VEC_INIT_EXPR
)
4260 /* The condition under which this MUST_NOT_THROW_EXPR actually blocks
4261 exceptions. NULL_TREE means 'true'. */
4262 #define MUST_NOT_THROW_COND(NODE) \
4263 TREE_OPERAND (MUST_NOT_THROW_EXPR_CHECK (NODE), 1)
4265 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
4266 TEMPLATE_DECL. This macro determines whether or not a given class
4267 type is really a template type, as opposed to an instantiation or
4268 specialization of one. */
4269 #define CLASSTYPE_IS_TEMPLATE(NODE) \
4270 (CLASSTYPE_TEMPLATE_INFO (NODE) \
4271 && !CLASSTYPE_USE_TEMPLATE (NODE) \
4272 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
4274 /* The name used by the user to name the typename type. Typically,
4275 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
4276 corresponding TYPE_DECL. However, this may also be a
4277 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
4278 #define TYPENAME_TYPE_FULLNAME(NODE) \
4279 (TYPE_VALUES_RAW (TYPENAME_TYPE_CHECK (NODE)))
4281 /* True if a TYPENAME_TYPE was declared as an "enum". */
4282 #define TYPENAME_IS_ENUM_P(NODE) \
4283 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
4285 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
4287 #define TYPENAME_IS_CLASS_P(NODE) \
4288 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
4290 /* True if a TYPENAME_TYPE is in the process of being resolved. */
4291 #define TYPENAME_IS_RESOLVING_P(NODE) \
4292 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
4296 A class that declares or inherits a virtual function is called a
4297 polymorphic class. */
4298 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
4300 /* Nonzero if this class has a virtual function table pointer. */
4301 #define TYPE_CONTAINS_VPTR_P(NODE) \
4302 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
4304 /* Nonzero if NODE is a FUNCTION_DECL or VARIABLE_DECL (for a decl
4305 with namespace scope) declared in a local scope. */
4306 #define DECL_LOCAL_DECL_P(NODE) \
4307 DECL_LANG_FLAG_0 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
4309 /* The namespace-scope decl a DECL_LOCAL_DECL_P aliases. */
4310 #define DECL_LOCAL_DECL_ALIAS(NODE) \
4311 DECL_ACCESS ((gcc_checking_assert (DECL_LOCAL_DECL_P (NODE)), NODE))
4313 /* True if NODE was declared with auto in its return type, but it has
4314 started compilation and so the return type might have been changed by
4315 return type deduction; its declared return type should be found in
4316 DECL_SAVED_AUTO_RETURN_TYPE (NODE). */
4317 #define FNDECL_USED_AUTO(NODE) \
4318 TREE_LANG_FLAG_2 (FUNCTION_DECL_CHECK (NODE))
4320 /* True if NODE is needed for a manifestly constant-evaluated expression.
4321 This doesn't especially need to be a flag, since currently it's only
4322 used for error recovery; if we run out of function flags it could move
4324 #define FNDECL_MANIFESTLY_CONST_EVALUATED(NODE) \
4325 TREE_LANG_FLAG_4 (FUNCTION_DECL_CHECK (NODE))
4327 /* True for artificial decls added for OpenMP privatized non-static
4329 #define DECL_OMP_PRIVATIZED_MEMBER(NODE) \
4330 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.anticipated_p)
4332 /* Nonzero if NODE is an artificial FUNCTION_DECL for
4333 #pragma omp declare reduction. */
4334 #define DECL_OMP_DECLARE_REDUCTION_P(NODE) \
4335 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->omp_declare_reduction_p)
4337 /* Nonzero if DECL has been declared threadprivate by
4338 #pragma omp threadprivate. */
4339 #define CP_DECL_THREADPRIVATE_P(DECL) \
4340 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
4342 /* Nonzero if NODE is a VAR_DECL which has been declared inline. */
4343 #define DECL_VAR_DECLARED_INLINE_P(NODE) \
4344 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4345 ? DECL_LANG_SPECIFIC (NODE)->u.base.var_declared_inline_p \
4347 #define SET_DECL_VAR_DECLARED_INLINE_P(NODE) \
4348 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.var_declared_inline_p \
4351 /* True if NODE is a constant variable with a value-dependent initializer. */
4352 #define DECL_DEPENDENT_INIT_P(NODE) \
4353 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4354 && DECL_LANG_SPECIFIC (NODE)->u.base.dependent_init_p)
4355 #define SET_DECL_DEPENDENT_INIT_P(NODE, X) \
4356 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.dependent_init_p = (X))
4358 /* Nonzero if NODE is an artificial VAR_DECL for a C++17 structured binding
4359 declaration or one of VAR_DECLs for the user identifiers in it. */
4360 #define DECL_DECOMPOSITION_P(NODE) \
4361 (VAR_P (NODE) && DECL_LANG_SPECIFIC (NODE) \
4362 ? DECL_LANG_SPECIFIC (NODE)->u.base.selector == lds_decomp \
4365 /* The underlying artificial VAR_DECL for structured binding. */
4366 #define DECL_DECOMP_BASE(NODE) \
4367 (LANG_DECL_DECOMP_CHECK (NODE)->base)
4369 /* Nonzero if NODE is an inline VAR_DECL. In C++17, static data members
4370 declared with constexpr specifier are implicitly inline variables. */
4371 #define DECL_INLINE_VAR_P(NODE) \
4372 (DECL_VAR_DECLARED_INLINE_P (NODE) \
4373 || (cxx_dialect >= cxx17 \
4374 && DECL_DECLARED_CONSTEXPR_P (NODE) \
4375 && DECL_CLASS_SCOPE_P (NODE)))
4377 /* Nonzero if DECL was declared with '= delete'. */
4378 #define DECL_DELETED_FN(DECL) \
4379 (LANG_DECL_FN_CHECK (DECL)->min.base.threadprivate_or_deleted_p)
4381 /* Nonzero if DECL was declared with '= default' (maybe implicitly). */
4382 #define DECL_DEFAULTED_FN(DECL) \
4383 (LANG_DECL_FN_CHECK (DECL)->defaulted_p)
4385 /* Nonzero if DECL is explicitly defaulted in the class body. */
4386 #define DECL_DEFAULTED_IN_CLASS_P(DECL) \
4387 (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL))
4388 /* Nonzero if DECL was defaulted outside the class body. */
4389 #define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \
4390 (DECL_DEFAULTED_FN (DECL) \
4391 && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL)))
4393 /* Record whether a typedef for type `int' was actually `signed int'. */
4394 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
4396 /* Returns nonzero if DECL has external linkage, as specified by the
4397 language standard. (This predicate may hold even when the
4398 corresponding entity is not actually given external linkage in the
4399 object file; see decl_linkage for details.) */
4400 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
4401 (decl_linkage (DECL) == lk_external)
4403 /* Keep these codes in ascending code order. */
4405 #define INTEGRAL_CODE_P(CODE) \
4406 ((CODE) == ENUMERAL_TYPE \
4407 || (CODE) == BOOLEAN_TYPE \
4408 || (CODE) == INTEGER_TYPE)
4410 /* [basic.fundamental]
4412 Types bool, char, wchar_t, and the signed and unsigned integer types
4413 are collectively called integral types.
4415 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
4416 types as well, which is incorrect in C++. Keep these checks in
4417 ascending code order. */
4418 #define CP_INTEGRAL_TYPE_P(TYPE) \
4419 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
4420 || TREE_CODE (TYPE) == INTEGER_TYPE)
4422 /* Returns true if TYPE is an integral or enumeration name. Keep
4423 these checks in ascending code order. */
4424 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
4425 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
4427 /* Returns true if TYPE is an integral or unscoped enumeration type. */
4428 #define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
4429 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
4431 /* True if the class type TYPE is a literal type. */
4432 #define CLASSTYPE_LITERAL_P(TYPE) \
4433 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
4435 /* [basic.fundamental]
4437 Integral and floating types are collectively called arithmetic
4440 As a GNU extension, we also accept complex types.
4442 Keep these checks in ascending code order. */
4443 #define ARITHMETIC_TYPE_P(TYPE) \
4444 (CP_INTEGRAL_TYPE_P (TYPE) \
4445 || TREE_CODE (TYPE) == REAL_TYPE \
4446 || TREE_CODE (TYPE) == COMPLEX_TYPE)
4450 Arithmetic types, enumeration types, pointer types,
4451 pointer-to-member types, and std::nullptr_t are collectively called
4454 Keep these checks in ascending code order. */
4455 #define SCALAR_TYPE_P(TYPE) \
4456 (TYPE_PTRDATAMEM_P (TYPE) \
4457 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
4458 || ARITHMETIC_TYPE_P (TYPE) \
4459 || TYPE_PTR_P (TYPE) \
4460 || TYPE_PTRMEMFUNC_P (TYPE) \
4461 || NULLPTR_TYPE_P (TYPE))
4463 /* Determines whether this type is a C++0x scoped enumeration
4464 type. Scoped enumerations types are introduced via "enum class" or
4465 "enum struct", e.g.,
4471 Scoped enumeration types are different from normal (unscoped)
4472 enumeration types in several ways:
4474 - The enumerators of a scoped enumeration type are only available
4475 within the scope of the enumeration type and not in the
4476 enclosing scope. For example, the Red color can be referred to
4477 with "Color::Red" but not "Red".
4479 - Scoped enumerators and enumerations do not implicitly convert
4480 to integers or 'bool'.
4482 - The underlying type of the enum is well-defined. */
4483 #define SCOPED_ENUM_P(TYPE) \
4484 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_SCOPED (TYPE))
4486 /* Determine whether this is an unscoped enumeration type. */
4487 #define UNSCOPED_ENUM_P(TYPE) \
4488 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !ENUM_IS_SCOPED (TYPE))
4490 /* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
4491 enumeration type (1) or a normal (unscoped) enumeration type
4493 #define SET_SCOPED_ENUM_P(TYPE, VAL) \
4494 (ENUM_IS_SCOPED (TYPE) = (VAL))
4496 #define SET_OPAQUE_ENUM_P(TYPE, VAL) \
4497 (ENUM_IS_OPAQUE (TYPE) = (VAL))
4499 #define OPAQUE_ENUM_P(TYPE) \
4500 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_OPAQUE (TYPE))
4502 /* Determines whether an ENUMERAL_TYPE has an explicit
4504 #define ENUM_FIXED_UNDERLYING_TYPE_P(NODE) (TYPE_LANG_FLAG_5 (NODE))
4506 /* Returns the underlying type of the given enumeration type. The
4507 underlying type is determined in different ways, depending on the
4508 properties of the enum:
4510 - In C++0x, the underlying type can be explicitly specified, e.g.,
4512 enum E1 : char { ... } // underlying type is char
4514 - In a C++0x scoped enumeration, the underlying type is int
4515 unless otherwises specified:
4517 enum class E2 { ... } // underlying type is int
4519 - Otherwise, the underlying type is determined based on the
4520 values of the enumerators. In this case, the
4521 ENUM_UNDERLYING_TYPE will not be set until after the definition
4522 of the enumeration is completed by finish_enum. */
4523 #define ENUM_UNDERLYING_TYPE(TYPE) \
4524 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE))
4528 An aggregate is an array or a class with no user-provided
4529 constructors, no brace-or-equal-initializers for non-static data
4530 members, no private or protected non-static data members, no
4531 base classes, and no virtual functions.
4533 As an extension, we also treat vectors as aggregates. Keep these
4534 checks in ascending code order. */
4535 #define CP_AGGREGATE_TYPE_P(TYPE) \
4536 (gnu_vector_type_p (TYPE) \
4537 || TREE_CODE (TYPE) == ARRAY_TYPE \
4538 || (CLASS_TYPE_P (TYPE) && COMPLETE_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
4540 /* Nonzero for a class type means that the class type has a
4541 user-declared constructor. */
4542 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
4544 /* Nonzero means that the FUNCTION_TYPE or METHOD_TYPE has a
4545 late-specified return type. */
4546 #define TYPE_HAS_LATE_RETURN_TYPE(NODE) \
4547 (TYPE_LANG_FLAG_2 (FUNC_OR_METHOD_CHECK (NODE)))
4549 /* When appearing in an INDIRECT_REF, it means that the tree structure
4550 underneath is actually a call to a constructor. This is needed
4551 when the constructor must initialize local storage (which can
4552 be automatically destroyed), rather than allowing it to allocate
4553 space from the heap.
4555 When appearing in a SAVE_EXPR, it means that underneath
4556 is a call to a constructor.
4558 When appearing in a CONSTRUCTOR, the expression is an unconverted
4561 When appearing in a FIELD_DECL, it means that this field
4562 has been duly initialized in its constructor. */
4563 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
4565 /* True if NODE is a brace-enclosed initializer. */
4566 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
4567 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
4569 /* True if NODE is a compound-literal, i.e., a brace-enclosed
4570 initializer cast to a particular type. This is mostly only set during
4571 template parsing; once the initializer has been digested into an actual
4572 value of the type, the expression is represented by a TARGET_EXPR. */
4573 #define COMPOUND_LITERAL_P(NODE) \
4574 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
4576 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
4577 && vec_safe_is_empty(CONSTRUCTOR_ELTS(NODE))\
4578 && !TREE_HAS_CONSTRUCTOR (NODE))
4580 /* True if NODE is a init-list used as a direct-initializer, i.e.
4581 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
4582 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
4584 /* True if this CONSTRUCTOR is instantiation-dependent and needs to be
4586 #define CONSTRUCTOR_IS_DEPENDENT(NODE) \
4587 (TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (NODE)))
4589 /* True if this CONSTRUCTOR should not be used as a variable initializer
4590 because it was loaded from a constexpr variable with mutable fields. */
4591 #define CONSTRUCTOR_MUTABLE_POISON(NODE) \
4592 (TREE_LANG_FLAG_2 (CONSTRUCTOR_CHECK (NODE)))
4594 /* True if this typed CONSTRUCTOR represents C99 compound-literal syntax rather
4595 than C++11 functional cast syntax. */
4596 #define CONSTRUCTOR_C99_COMPOUND_LITERAL(NODE) \
4597 (TREE_LANG_FLAG_3 (CONSTRUCTOR_CHECK (NODE)))
4599 /* True if this CONSTRUCTOR contains PLACEHOLDER_EXPRs referencing the
4600 CONSTRUCTOR's type not nested inside another CONSTRUCTOR marked with
4601 CONSTRUCTOR_PLACEHOLDER_BOUNDARY. */
4602 #define CONSTRUCTOR_PLACEHOLDER_BOUNDARY(NODE) \
4603 (TREE_LANG_FLAG_5 (CONSTRUCTOR_CHECK (NODE)))
4605 #define DIRECT_LIST_INIT_P(NODE) \
4606 (BRACE_ENCLOSED_INITIALIZER_P (NODE) && CONSTRUCTOR_IS_DIRECT_INIT (NODE))
4608 /* True if this is a designated initializer (when we allow initializer-clauses
4609 mixed with designated-initializer-clauses set whenever there is at least
4610 one designated-initializer-clause), or a C99 designator. */
4611 #define CONSTRUCTOR_IS_DESIGNATED_INIT(NODE) \
4612 (TREE_LANG_FLAG_6 (CONSTRUCTOR_CHECK (NODE)))
4614 /* True if this CONSTRUCTOR comes from a parenthesized list of values, e.g.
4616 #define CONSTRUCTOR_IS_PAREN_INIT(NODE) \
4617 (CONSTRUCTOR_CHECK(NODE)->base.private_flag)
4619 /* True if reshape_init built this sub-CONSTRUCTOR to undo the brace elision
4620 of the original CONSTRUCTOR. This flag is used during C++20 aggregate
4622 #define CONSTRUCTOR_BRACES_ELIDED_P(NODE) \
4623 (CONSTRUCTOR_CHECK (NODE)->base.protected_flag)
4625 /* True if NODE represents a conversion for direct-initialization in a
4626 template. Set by perform_implicit_conversion_flags. */
4627 #define IMPLICIT_CONV_EXPR_DIRECT_INIT(NODE) \
4628 (TREE_LANG_FLAG_0 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4630 /* True if NODE represents a dependent conversion of a non-type template
4631 argument. Set by maybe_convert_nontype_argument. */
4632 #define IMPLICIT_CONV_EXPR_NONTYPE_ARG(NODE) \
4633 (TREE_LANG_FLAG_1 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4635 /* True if NODE represents a conversion for braced-init-list in a
4636 template. Set by perform_implicit_conversion_flags. */
4637 #define IMPLICIT_CONV_EXPR_BRACED_INIT(NODE) \
4638 (TREE_LANG_FLAG_2 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4640 /* Nonzero means that an object of this type cannot be initialized using
4641 an initializer list. */
4642 #define CLASSTYPE_NON_AGGREGATE(NODE) \
4643 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
4644 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
4645 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
4647 /* Nonzero if there is a non-trivial X::op=(cv X&) for this class. */
4648 #define TYPE_HAS_COMPLEX_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_assign)
4650 /* Nonzero if there is a non-trivial X::X(cv X&) for this class. */
4651 #define TYPE_HAS_COMPLEX_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_ctor)
4653 /* Nonzero if there is a non-trivial X::op=(X&&) for this class. */
4654 #define TYPE_HAS_COMPLEX_MOVE_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_assign)
4656 /* Nonzero if there is a non-trivial X::X(X&&) for this class. */
4657 #define TYPE_HAS_COMPLEX_MOVE_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_ctor)
4659 /* Nonzero if there is no trivial default constructor for this class. */
4660 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
4662 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
4664 A destructor is trivial if it is an implicitly declared
4667 - all of the direct base classes of its class have trivial
4670 - for all of the non-static data members of its class that are
4671 of class type (or array thereof), each such class has a
4672 trivial destructor. */
4673 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
4674 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
4676 /* Nonzero for _TYPE node means that this type does not have a trivial
4677 destructor. Therefore, destroying an object of this type will
4678 involve a call to a destructor. This can apply to objects of
4679 ARRAY_TYPE if the type of the elements needs a destructor. */
4680 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
4681 (TYPE_LANG_FLAG_4 (NODE))
4683 /* Nonzero for class type means that the default constructor is trivial. */
4684 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
4685 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
4687 /* Nonzero for class type means that copy initialization of this type can use
4689 #define TYPE_HAS_TRIVIAL_COPY_CTOR(NODE) \
4690 (TYPE_HAS_COPY_CTOR (NODE) && ! TYPE_HAS_COMPLEX_COPY_CTOR (NODE))
4692 /* Nonzero for class type means that assignment of this type can use
4694 #define TYPE_HAS_TRIVIAL_COPY_ASSIGN(NODE) \
4695 (TYPE_HAS_COPY_ASSIGN (NODE) && ! TYPE_HAS_COMPLEX_COPY_ASSIGN (NODE))
4697 /* Returns true if NODE is a pointer-to-data-member. */
4698 #define TYPE_PTRDATAMEM_P(NODE) \
4699 (TREE_CODE (NODE) == OFFSET_TYPE)
4701 /* Returns true if NODE is a pointer. */
4702 #define TYPE_PTR_P(NODE) \
4703 (TREE_CODE (NODE) == POINTER_TYPE)
4705 /* Returns true if NODE is a reference. */
4706 #define TYPE_REF_P(NODE) \
4707 (TREE_CODE (NODE) == REFERENCE_TYPE)
4709 /* Returns true if NODE is a pointer or a reference. */
4710 #define INDIRECT_TYPE_P(NODE) \
4711 (TYPE_PTR_P (NODE) || TYPE_REF_P (NODE))
4713 /* Returns true if NODE is an object type:
4717 An object type is a (possibly cv-qualified) type that is not a
4718 function type, not a reference type, and not a void type.
4720 Keep these checks in ascending order, for speed. */
4721 #define TYPE_OBJ_P(NODE) \
4722 (!TYPE_REF_P (NODE) \
4723 && !VOID_TYPE_P (NODE) \
4724 && !FUNC_OR_METHOD_TYPE_P (NODE))
4726 /* Returns true if NODE is a pointer to an object. Keep these checks
4727 in ascending tree code order. */
4728 #define TYPE_PTROB_P(NODE) \
4729 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4731 /* Returns true if NODE is a reference to an object. Keep these checks
4732 in ascending tree code order. */
4733 #define TYPE_REF_OBJ_P(NODE) \
4734 (TYPE_REF_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4736 /* Returns true if NODE is a pointer to an object, or a pointer to
4737 void. Keep these checks in ascending tree code order. */
4738 #define TYPE_PTROBV_P(NODE) \
4739 (TYPE_PTR_P (NODE) \
4740 && !FUNC_OR_METHOD_TYPE_P (TREE_TYPE (NODE)))
4742 /* Returns true if NODE is a pointer to function type. */
4743 #define TYPE_PTRFN_P(NODE) \
4744 (TYPE_PTR_P (NODE) \
4745 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4747 /* Returns true if NODE is a reference to function type. */
4748 #define TYPE_REFFN_P(NODE) \
4749 (TYPE_REF_P (NODE) \
4750 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4752 /* Returns true if NODE is a pointer to member function type. */
4753 #define TYPE_PTRMEMFUNC_P(NODE) \
4754 (TREE_CODE (NODE) == RECORD_TYPE \
4755 && TYPE_PTRMEMFUNC_FLAG (NODE))
4757 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
4758 (TYPE_LANG_FLAG_2 (RECORD_TYPE_CHECK (NODE)))
4760 /* Returns true if NODE is a pointer-to-member. */
4761 #define TYPE_PTRMEM_P(NODE) \
4762 (TYPE_PTRDATAMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
4764 /* Returns true if NODE is a pointer or a pointer-to-member. */
4765 #define TYPE_PTR_OR_PTRMEM_P(NODE) \
4766 (TYPE_PTR_P (NODE) || TYPE_PTRMEM_P (NODE))
4768 /* Indicates when overload resolution may resolve to a pointer to
4769 member function. [expr.unary.op]/3 */
4770 #define PTRMEM_OK_P(NODE) \
4771 TREE_LANG_FLAG_0 (TREE_CHECK3 ((NODE), ADDR_EXPR, OFFSET_REF, SCOPE_REF))
4773 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
4774 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
4775 before using this macro. */
4776 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
4777 (cp_build_qualified_type (TREE_TYPE (TYPE_FIELDS (NODE)),\
4778 cp_type_quals (NODE)))
4780 /* As above, but can be used in places that want an lvalue at the expense
4781 of not necessarily having the correct cv-qualifiers. */
4782 #define TYPE_PTRMEMFUNC_FN_TYPE_RAW(NODE) \
4783 (TREE_TYPE (TYPE_FIELDS (NODE)))
4785 /* Returns `A' for a type like `int (A::*)(double)' */
4786 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
4787 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4789 /* The canonical internal RECORD_TYPE from the POINTER_TYPE to
4791 #define TYPE_PTRMEMFUNC_TYPE(NODE) \
4792 TYPE_LANG_SLOT_1 (NODE)
4794 /* For a pointer-to-member type of the form `T X::*', this is `X'.
4795 For a type like `void (X::*)() const', this type is `X', not `const
4796 X'. To get at the `const X' you have to look at the
4797 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
4799 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
4800 (TYPE_PTRDATAMEM_P (NODE) \
4801 ? TYPE_OFFSET_BASETYPE (NODE) \
4802 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
4804 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
4805 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
4806 (TYPE_PTRDATAMEM_P (NODE) \
4807 ? TREE_TYPE (NODE) \
4808 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4810 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
4812 #define PTRMEM_CST_CLASS(NODE) \
4813 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
4815 /* For a pointer-to-member constant `X::Y' this is the _DECL for
4817 #define PTRMEM_CST_MEMBER(NODE) \
4818 (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
4820 /* For a pointer-to-member constant `X::Y' this is a location where
4821 the address of the member has been taken. */
4822 #define PTRMEM_CST_LOCATION(NODE) \
4823 (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->locus)
4825 /* The expression in question for a TYPEOF_TYPE. */
4826 #define TYPEOF_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (TYPEOF_TYPE_CHECK (NODE)))
4828 /* The type in question for an UNDERLYING_TYPE. */
4829 #define UNDERLYING_TYPE_TYPE(NODE) \
4830 (TYPE_VALUES_RAW (UNDERLYING_TYPE_CHECK (NODE)))
4832 /* The type in question for BASES. */
4833 #define BASES_TYPE(NODE) \
4834 (TYPE_VALUES_RAW (BASES_CHECK (NODE)))
4836 #define BASES_DIRECT(NODE) \
4837 TREE_LANG_FLAG_0 (BASES_CHECK (NODE))
4839 /* The expression in question for a DECLTYPE_TYPE. */
4840 #define DECLTYPE_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (DECLTYPE_TYPE_CHECK (NODE)))
4842 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
4843 id-expression or a member-access expression. When false, it was
4844 parsed as a full expression. */
4845 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
4846 (DECLTYPE_TYPE_CHECK (NODE))->type_common.string_flag
4848 /* These flags indicate that we want different semantics from normal
4849 decltype: lambda capture just drops references,
4850 lambda proxies look through implicit dereference. */
4851 #define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
4852 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
4853 #define DECLTYPE_FOR_LAMBDA_PROXY(NODE) \
4854 TREE_LANG_FLAG_2 (DECLTYPE_TYPE_CHECK (NODE))
4855 #define DECLTYPE_FOR_REF_CAPTURE(NODE) \
4856 TREE_LANG_FLAG_3 (DECLTYPE_TYPE_CHECK (NODE))
4858 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
4859 specified in its declaration. This can also be set for an
4860 erroneously declared PARM_DECL. */
4861 #define DECL_THIS_EXTERN(NODE) \
4862 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4864 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
4865 specified in its declaration. This can also be set for an
4866 erroneously declared PARM_DECL. */
4867 #define DECL_THIS_STATIC(NODE) \
4868 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4870 /* Nonzero for FIELD_DECL node means that this field is a lambda capture
4871 field for an array of runtime bound. */
4872 #define DECL_VLA_CAPTURE_P(NODE) \
4873 DECL_LANG_FLAG_1 (FIELD_DECL_CHECK (NODE))
4875 /* Nonzero for PARM_DECL node means that this is an array function
4876 parameter, i.e, a[] rather than *a. */
4877 #define DECL_ARRAY_PARAMETER_P(NODE) \
4878 DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE))
4880 /* Nonzero for a FIELD_DECL who's NSMDI is currently being
4882 #define DECL_INSTANTIATING_NSDMI_P(NODE) \
4883 DECL_LANG_FLAG_2 (FIELD_DECL_CHECK (NODE))
4885 /* Nonzero for FIELD_DECL node means that this field is a base class
4886 of the parent object, as opposed to a member field. */
4887 #define DECL_FIELD_IS_BASE(NODE) \
4888 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
4890 /* Nonzero for FIELD_DECL node means that this field is a simple (no
4891 explicit initializer) lambda capture field, making it invisible to
4892 name lookup in unevaluated contexts. */
4893 #define DECL_NORMAL_CAPTURE_P(NODE) \
4894 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
4896 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
4897 flag for this because "A union for which objects or pointers are
4898 declared is not an anonymous union" [class.union]. */
4899 #define ANON_AGGR_TYPE_P(NODE) \
4900 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
4901 #define SET_ANON_AGGR_TYPE_P(NODE) \
4902 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
4904 /* Nonzero if TYPE is an anonymous union type. */
4905 #define ANON_UNION_TYPE_P(NODE) \
4906 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
4908 /* For an ANON_AGGR_TYPE_P the single FIELD_DECL it is used with. */
4909 #define ANON_AGGR_TYPE_FIELD(NODE) \
4910 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
4912 /* Define fields and accessors for nodes representing declared names. */
4914 /* True if TYPE is an unnamed structured type with a typedef for
4915 linkage purposes. In that case TYPE_NAME and TYPE_STUB_DECL of the
4916 MAIN-VARIANT are different. */
4917 #define TYPE_WAS_UNNAMED(NODE) \
4918 (TYPE_NAME (TYPE_MAIN_VARIANT (NODE)) \
4919 != TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
4921 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
4923 /* The format of each node in the DECL_FRIENDLIST is as follows:
4925 The TREE_PURPOSE will be the name of a function, i.e., an
4926 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
4927 TREE_VALUEs are friends with the given name. */
4928 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
4929 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
4930 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
4932 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
4933 each node is a type; the TREE_VALUE is the access granted for this
4934 DECL in that type. The DECL_ACCESS is set by access declarations.
4935 For example, if a member that would normally be public in a
4936 derived class is made protected, then the derived class and the
4937 protected_access_node will appear in the DECL_ACCESS for the node. */
4938 #define DECL_ACCESS(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
4940 /* Nonzero if the FUNCTION_DECL is a global constructor. */
4941 #define DECL_GLOBAL_CTOR_P(NODE) \
4942 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p)
4944 /* Nonzero if the FUNCTION_DECL is a global destructor. */
4945 #define DECL_GLOBAL_DTOR_P(NODE) \
4946 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p)
4948 /* Accessor macros for C++ template decl nodes. */
4950 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
4951 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
4952 template parameters, with 1 being the outermost set of template
4953 parameters. The TREE_VALUE is a vector, whose elements are the
4954 template parameters at each level. Each element in the vector is a
4955 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
4956 non-type parameter), or a TYPE_DECL (if the parameter is a type
4957 parameter) or a TEMPLATE_DECL (if the parameter is a template
4958 parameter). The TREE_PURPOSE is the default value, if any. The
4959 TEMPLATE_PARM_INDEX for the parameter is available as the
4960 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
4963 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4964 tree is converted to C++ class hiearchy. */
4965 #define DECL_TEMPLATE_PARMS(NODE) \
4966 ((struct tree_template_decl *)CONST_CAST_TREE (TEMPLATE_DECL_CHECK (NODE)))->arguments
4967 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
4968 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
4969 #define DECL_NTPARMS(NODE) \
4970 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
4971 /* For function, method, class-data templates.
4973 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4974 tree is converted to C++ class hiearchy. */
4975 #define DECL_TEMPLATE_RESULT(NODE) \
4976 ((struct tree_template_decl *)CONST_CAST_TREE(TEMPLATE_DECL_CHECK (NODE)))->result
4977 /* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS
4978 lists all instantiations and specializations of the function so that
4979 tsubst_friend_function can reassign them to another template if we find
4980 that the namespace-scope template is really a partial instantiation of a
4983 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
4984 all instantiations and specializations of the class type, including
4985 partial instantiations and partial specializations, so that if we
4986 explicitly specialize a partial instantiation we can walk the list
4987 in maybe_process_partial_specialization and reassign them or complain
4990 In both cases, the TREE_PURPOSE of each node contains the arguments
4991 used; the TREE_VALUE contains the generated variable. The template
4992 arguments are always complete. For example, given:
4994 template <class T> struct S1 {
4995 template <class U> struct S2 {};
4996 template <class U> struct S2<U*> {};
4999 the record for the partial specialization will contain, as its
5000 argument list, { {T}, {U*} }, and will be on the
5001 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
5002 <class U> struct S1<T>::S2'.
5004 This list is not used for other templates. */
5005 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) \
5006 DECL_SIZE_UNIT (TEMPLATE_DECL_CHECK (NODE))
5008 /* For a class template, this list contains the partial
5009 specializations of this template. (Full specializations are not
5010 recorded on this list.) The TREE_PURPOSE holds the arguments used
5011 in the partial specialization (e.g., for `template <class T> struct
5012 S<T*, int>' this will be `T*, int'.) The arguments will also include
5013 any outer template arguments. The TREE_VALUE holds the TEMPLATE_DECL
5014 for the partial specialization. The TREE_TYPE is the _TYPE node for
5015 the partial specialization.
5017 This list is not used for other templates. */
5018 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) \
5019 DECL_SIZE (TEMPLATE_DECL_CHECK (NODE))
5021 /* Nonzero for a DECL which is actually a template parameter. Keep
5022 these checks in ascending tree code order. */
5023 #define DECL_TEMPLATE_PARM_P(NODE) \
5024 (DECL_LANG_FLAG_0 (NODE) \
5025 && (TREE_CODE (NODE) == CONST_DECL \
5026 || TREE_CODE (NODE) == PARM_DECL \
5027 || TREE_CODE (NODE) == TYPE_DECL \
5028 || TREE_CODE (NODE) == TEMPLATE_DECL))
5030 /* Nonzero for a raw template parameter node. */
5031 #define TEMPLATE_PARM_P(NODE) \
5032 (TREE_CODE (NODE) == TEMPLATE_TYPE_PARM \
5033 || TREE_CODE (NODE) == TEMPLATE_TEMPLATE_PARM \
5034 || TREE_CODE (NODE) == TEMPLATE_PARM_INDEX)
5036 /* Mark NODE as a template parameter. */
5037 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
5038 (DECL_LANG_FLAG_0 (NODE) = 1)
5040 /* Nonzero if NODE is a template template parameter. */
5041 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
5042 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
5044 /* Nonzero for a DECL that represents a function template. */
5045 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
5046 (TREE_CODE (NODE) == TEMPLATE_DECL \
5047 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
5048 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
5050 /* Nonzero for a DECL that represents a class template or alias
5052 #define DECL_TYPE_TEMPLATE_P(NODE) \
5053 (TREE_CODE (NODE) == TEMPLATE_DECL \
5054 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
5055 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL)
5057 /* Nonzero for a DECL that represents a class template. */
5058 #define DECL_CLASS_TEMPLATE_P(NODE) \
5059 (DECL_TYPE_TEMPLATE_P (NODE) \
5060 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE)))
5062 /* Nonzero for a TEMPLATE_DECL that represents an alias template. */
5063 #define DECL_ALIAS_TEMPLATE_P(NODE) \
5064 (DECL_TYPE_TEMPLATE_P (NODE) \
5065 && !DECL_ARTIFICIAL (DECL_TEMPLATE_RESULT (NODE)))
5067 /* Nonzero for a NODE which declares a type. */
5068 #define DECL_DECLARES_TYPE_P(NODE) \
5069 (TREE_CODE (NODE) == TYPE_DECL || DECL_TYPE_TEMPLATE_P (NODE))
5071 /* Nonzero if NODE declares a function. */
5072 #define DECL_DECLARES_FUNCTION_P(NODE) \
5073 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE))
5075 /* Nonzero if NODE is the typedef implicitly generated for a type when
5076 the type is declared. In C++, `struct S {};' is roughly
5077 equivalent to `struct S {}; typedef struct S S;' in C.
5078 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
5079 example. In C++, there is a second implicit typedef for each
5080 class, called the injected-class-name, in the scope of `S' itself, so that
5081 you can say `S::S'. DECL_SELF_REFERENCE_P will hold for that typedef. */
5082 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
5083 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
5084 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
5085 (DECL_LANG_FLAG_2 (NODE) = 1)
5086 #define DECL_SELF_REFERENCE_P(NODE) \
5087 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
5088 #define SET_DECL_SELF_REFERENCE_P(NODE) \
5089 (DECL_LANG_FLAG_4 (NODE) = 1)
5091 /* A `primary' template is one that has its own template header and is not
5092 a partial specialization. A member function of a class template is a
5093 template, but not primary. A member template is primary. Friend
5094 templates are primary, too. */
5096 /* Returns the primary template corresponding to these parameters. */
5097 #define TPARMS_PRIMARY_TEMPLATE(NODE) (TREE_TYPE (NODE))
5099 #define DECL_PRIMARY_TEMPLATE(NODE) \
5100 (TPARMS_PRIMARY_TEMPLATE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
5102 /* Returns nonzero if NODE is a primary template. */
5103 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
5105 /* Nonzero iff NODE is a specialization of a template. The value
5106 indicates the type of specializations:
5108 1=implicit instantiation
5110 2=partial or explicit specialization, e.g.:
5112 template <> int min<int> (int, int),
5114 3=explicit instantiation, e.g.:
5116 template int min<int> (int, int);
5118 Note that NODE will be marked as a specialization even if the
5119 template it is instantiating is not a primary template. For
5122 template <typename T> struct O {
5127 both O<int>::f and O<int>::I will be marked as instantiations.
5129 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
5131 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template)
5133 /* Like DECL_USE_TEMPLATE, but for class types. */
5134 #define CLASSTYPE_USE_TEMPLATE(NODE) \
5135 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
5137 /* True if NODE is a specialization of a primary template. */
5138 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
5139 (CLASS_TYPE_P (NODE) \
5140 && CLASSTYPE_USE_TEMPLATE (NODE) \
5141 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
5143 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
5144 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
5145 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
5147 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
5148 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
5150 /* Returns true for an explicit or partial specialization of a class
5152 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
5153 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
5154 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
5155 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
5157 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
5158 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
5159 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
5160 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
5161 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
5162 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
5164 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
5165 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
5166 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
5167 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
5168 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
5169 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
5171 /* Nonzero if DECL is a friend function which is an instantiation
5172 from the point of view of the compiler, but not from the point of
5173 view of the language. For example given:
5174 template <class T> struct S { friend void f(T) {}; };
5175 the declaration of `void f(int)' generated when S<int> is
5176 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
5177 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
5178 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
5179 (DECL_LANG_SPECIFIC (DECL) && DECL_TEMPLATE_INFO (DECL) \
5180 && !DECL_USE_TEMPLATE (DECL))
5182 /* Nonzero if DECL is a function generated from a function 'temploid',
5183 i.e. template, member of class template, or dependent friend. */
5184 #define DECL_TEMPLOID_INSTANTIATION(DECL) \
5185 (DECL_TEMPLATE_INSTANTIATION (DECL) \
5186 || DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (DECL))
5188 /* Nonzero if DECL is either defined implicitly by the compiler or
5189 generated from a temploid. */
5190 #define DECL_GENERATED_P(DECL) \
5191 (DECL_TEMPLOID_INSTANTIATION (DECL) || DECL_DEFAULTED_FN (DECL))
5193 /* Nonzero iff we are currently processing a declaration for an
5194 entity with its own template parameter list, and which is not a
5195 full specialization. */
5196 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
5197 (!processing_template_parmlist \
5198 && current_template_depth > template_class_depth (current_scope ()))
5200 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
5201 instantiated, i.e. its definition has been generated from the
5202 pattern given in the template. */
5203 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
5204 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
5206 /* We know what we're doing with this decl now. */
5207 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
5209 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
5210 so that assemble_external will work properly. So we have this flag to
5211 tell us whether the decl is really not external.
5213 This flag does not indicate whether or not the decl is defined in the
5214 current translation unit; it indicates whether or not we should emit the
5215 decl at the end of compilation if it is defined and needed. */
5216 #define DECL_NOT_REALLY_EXTERN(NODE) \
5217 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern)
5219 #define DECL_REALLY_EXTERN(NODE) \
5220 (DECL_EXTERNAL (NODE) \
5221 && (!DECL_LANG_SPECIFIC (NODE) || !DECL_NOT_REALLY_EXTERN (NODE)))
5223 /* A thunk is a stub function.
5225 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
5226 The address of the ordinary FUNCTION_DECL is given by the
5227 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
5228 FUNCTION_DECL. The job of the thunk is to either adjust the this
5229 pointer before transferring control to the FUNCTION_DECL, or call
5230 FUNCTION_DECL and then adjust the result value. Note, the result
5231 pointer adjusting thunk must perform a call to the thunked
5232 function, (or be implemented via passing some invisible parameter
5233 to the thunked function, which is modified to perform the
5234 adjustment just before returning).
5236 A thunk may perform either, or both, of the following operations:
5238 o Adjust the this or result pointer by a constant offset.
5239 o Adjust the this or result pointer by looking up a vcall or vbase offset
5242 A this pointer adjusting thunk converts from a base to a derived
5243 class, and hence adds the offsets. A result pointer adjusting thunk
5244 converts from a derived class to a base, and hence subtracts the
5245 offsets. If both operations are performed, then the constant
5246 adjustment is performed first for this pointer adjustment and last
5247 for the result pointer adjustment.
5249 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
5250 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
5251 used. For this pointer adjusting thunks, it is the vcall offset
5252 into the vtable. For result pointer adjusting thunks it is the
5253 binfo of the virtual base to convert to. Use that binfo's vbase
5256 It is possible to have equivalent covariant thunks. These are
5257 distinct virtual covariant thunks whose vbase offsets happen to
5258 have the same value. THUNK_ALIAS is used to pick one as the
5259 canonical thunk, which will get all the this pointer adjusting
5260 thunks attached to it. */
5262 /* An integer indicating how many bytes should be subtracted from the
5263 this or result pointer when this function is called. */
5264 #define THUNK_FIXED_OFFSET(DECL) \
5265 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset)
5267 /* A tree indicating how to perform the virtual adjustment. For a this
5268 adjusting thunk it is the number of bytes to be added to the vtable
5269 to find the vcall offset. For a result adjusting thunk, it is the
5270 binfo of the relevant virtual base. If NULL, then there is no
5271 virtual adjust. (The vptr is always located at offset zero from
5272 the this or result pointer.) (If the covariant type is within the
5273 class hierarchy being laid out, the vbase index is not yet known
5274 at the point we need to create the thunks, hence the need to use
5277 #define THUNK_VIRTUAL_OFFSET(DECL) \
5278 (LANG_DECL_MIN_CHECK (FUNCTION_DECL_CHECK (DECL))->access)
5280 /* A thunk which is equivalent to another thunk. */
5281 #define THUNK_ALIAS(DECL) \
5282 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info)
5284 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
5285 possible for the target to be a thunk too. */
5286 #define THUNK_TARGET(NODE) \
5287 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
5289 /* True for a SCOPE_REF iff the "template" keyword was used to
5290 indicate that the qualified name denotes a template. */
5291 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
5292 (TREE_LANG_FLAG_1 (SCOPE_REF_CHECK (NODE)))
5297 /* True if NODE is a co-routine FUNCTION_DECL. */
5298 #define DECL_COROUTINE_P(NODE) \
5299 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->coroutine_p)
5301 /* For a FUNCTION_DECL of a coroutine, this holds the ACTOR helper function
5303 #define DECL_ACTOR_FN(NODE) \
5304 (coro_get_actor_function ((NODE)))
5306 /* For a FUNCTION_DECL of a coroutine, this holds the DESTROY helper function
5308 #define DECL_DESTROY_FN(NODE) \
5309 (coro_get_destroy_function ((NODE)))
5311 /* For a FUNCTION_DECL of a coroutine helper (ACTOR or DESTROY), this points
5312 back to the original (ramp) function. */
5313 #define DECL_RAMP_FN(NODE) \
5314 (coro_get_ramp_function (NODE))
5316 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
5317 as an expr in operand 1, and integer_zero_node or clauses in operand 0. */
5318 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
5319 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST \
5320 || TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == OMP_CLAUSE)
5322 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
5323 #define OMP_FOR_GIMPLIFYING_P(NODE) \
5324 (TREE_LANG_FLAG_0 (OMP_LOOPING_CHECK (NODE)))
5326 /* A language-specific token attached to the OpenMP data clauses to
5327 hold code (or code fragments) related to ctors, dtors, and op=.
5328 See semantics.cc for details. */
5329 #define CP_OMP_CLAUSE_INFO(NODE) \
5330 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
5331 OMP_CLAUSE__CONDTEMP_))
5333 /* Nonzero if this transaction expression's body contains statements. */
5334 #define TRANSACTION_EXPR_IS_STMT(NODE) \
5335 TREE_LANG_FLAG_0 (TRANSACTION_EXPR_CHECK (NODE))
5337 /* These macros provide convenient access to the various _STMT nodes
5338 created when parsing template declarations. */
5339 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
5340 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
5342 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
5343 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
5345 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
5347 /* Nonzero if this try block is a function try block. */
5348 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
5349 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
5350 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
5351 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
5353 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
5354 and the VAR_DECL for which this cleanup exists. */
5355 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
5356 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
5357 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
5359 /* IF_STMT accessors. These give access to the condition of the if
5360 statement, the then block of the if statement, and the else block
5361 of the if statement if it exists. */
5362 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
5363 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
5364 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
5365 #define IF_SCOPE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 3)
5366 #define IF_STMT_CONSTEXPR_P(NODE) TREE_LANG_FLAG_0 (IF_STMT_CHECK (NODE))
5367 #define IF_STMT_CONSTEVAL_P(NODE) TREE_LANG_FLAG_2 (IF_STMT_CHECK (NODE))
5369 /* Like PACK_EXPANSION_EXTRA_ARGS, for constexpr if. IF_SCOPE is used while
5370 building an IF_STMT; IF_STMT_EXTRA_ARGS is used after it is complete. */
5371 #define IF_STMT_EXTRA_ARGS(NODE) IF_SCOPE (NODE)
5373 /* RANGE_FOR_STMT accessors. These give access to the declarator,
5374 expression, body, and scope of the statement, respectively. */
5375 #define RANGE_FOR_DECL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 0)
5376 #define RANGE_FOR_EXPR(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 1)
5377 #define RANGE_FOR_BODY(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 2)
5378 #define RANGE_FOR_SCOPE(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 3)
5379 #define RANGE_FOR_UNROLL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 4)
5380 #define RANGE_FOR_INIT_STMT(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 5)
5381 #define RANGE_FOR_IVDEP(NODE) TREE_LANG_FLAG_6 (RANGE_FOR_STMT_CHECK (NODE))
5383 /* STMT_EXPR accessor. */
5384 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
5386 /* EXPR_STMT accessor. This gives the expression associated with an
5387 expression statement. */
5388 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
5390 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
5391 discard it if it isn't useful. */
5392 #define TARGET_EXPR_IMPLICIT_P(NODE) \
5393 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
5395 /* True if this TARGET_EXPR is the result of list-initialization of a
5397 #define TARGET_EXPR_LIST_INIT_P(NODE) \
5398 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
5400 /* True if this TARGET_EXPR expresses direct-initialization of an object
5401 to be named later. */
5402 #define TARGET_EXPR_DIRECT_INIT_P(NODE) \
5403 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
5405 /* True if we expect this TARGET_EXPR to be used as an initializer, not to
5406 materialize as a temporary. */
5407 #define TARGET_EXPR_ELIDING_P(NODE) \
5408 TREE_LANG_FLAG_3 (TARGET_EXPR_CHECK (NODE))
5410 /* True if NODE is a TARGET_EXPR that just expresses a copy of its INITIAL; if
5411 the initializer has void type, it's doing something more complicated. */
5412 #define SIMPLE_TARGET_EXPR_P(NODE) \
5413 (TREE_CODE (NODE) == TARGET_EXPR \
5414 && TARGET_EXPR_INITIAL (NODE) \
5415 && !VOID_TYPE_P (TREE_TYPE (TARGET_EXPR_INITIAL (NODE))))
5417 /* True if T is a TARGET_EXPR for which we'll need to replace_decl to use it as
5420 target_expr_needs_replace (tree t
)
5422 if (!t
|| TREE_CODE (t
) != TARGET_EXPR
)
5424 tree init
= TARGET_EXPR_INITIAL (t
);
5425 if (!init
|| !VOID_TYPE_P (TREE_TYPE (init
)))
5427 while (TREE_CODE (init
) == COMPOUND_EXPR
)
5428 init
= TREE_OPERAND (init
, 1);
5429 return (TREE_CODE (init
) != AGGR_INIT_EXPR
5430 && TREE_CODE (init
) != VEC_INIT_EXPR
);
5433 /* True if EXPR expresses direct-initialization of a TYPE. */
5434 #define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
5435 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
5436 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
5438 /* True if this CONVERT_EXPR is for a conversion to virtual base in
5439 an NSDMI, and should be re-evaluated when used in a constructor. */
5440 #define CONVERT_EXPR_VBASE_PATH(NODE) \
5441 TREE_LANG_FLAG_0 (CONVERT_EXPR_CHECK (NODE))
5443 /* True if SIZEOF_EXPR argument is type. */
5444 #define SIZEOF_EXPR_TYPE_P(NODE) \
5445 TREE_LANG_FLAG_0 (SIZEOF_EXPR_CHECK (NODE))
5447 /* True if the ALIGNOF_EXPR was spelled "alignof". */
5448 #define ALIGNOF_EXPR_STD_P(NODE) \
5449 TREE_LANG_FLAG_0 (ALIGNOF_EXPR_CHECK (NODE))
5451 /* OMP_DEPOBJ accessors. These give access to the depobj expression of the
5452 #pragma omp depobj directive and the clauses, respectively. If
5453 OMP_DEPOBJ_CLAUSES is INTEGER_CST, it is instead the update clause kind
5454 or OMP_CLAUSE_DEPEND_LAST for destroy clause. */
5455 #define OMP_DEPOBJ_DEPOBJ(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 0)
5456 #define OMP_DEPOBJ_CLAUSES(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 1)
5458 /* An enumeration of the kind of tags that C++ accepts. */
5460 none_type
= 0, /* Not a tag type. */
5461 record_type
, /* "struct" types. */
5462 class_type
, /* "class" types. */
5463 union_type
, /* "union" types. */
5464 enum_type
, /* "enum" types. */
5465 typename_type
, /* "typename" types. */
5466 scope_type
/* namespace or tagged type name followed by :: */
5469 /* The various kinds of lvalues we distinguish. */
5470 enum cp_lvalue_kind_flags
{
5471 clk_none
= 0, /* Things that are not an lvalue. */
5472 clk_ordinary
= 1, /* An ordinary lvalue. */
5473 clk_rvalueref
= 2,/* An xvalue (rvalue formed using an rvalue reference) */
5474 clk_class
= 4, /* A prvalue of class or array type. */
5475 clk_bitfield
= 8, /* An lvalue for a bit-field. */
5476 clk_packed
= 16, /* An lvalue for a packed field. */
5477 clk_implicit_rval
= 1<<5 /* An lvalue being treated as an xvalue. */
5480 /* This type is used for parameters and variables which hold
5481 combinations of the flags in enum cp_lvalue_kind_flags. */
5482 typedef int cp_lvalue_kind
;
5484 /* Various kinds of template specialization, instantiation, etc. */
5485 enum tmpl_spec_kind
{
5486 tsk_none
, /* Not a template at all. */
5487 tsk_invalid_member_spec
, /* An explicit member template
5488 specialization, but the enclosing
5489 classes have not all been explicitly
5491 tsk_invalid_expl_inst
, /* An explicit instantiation containing
5492 template parameter lists. */
5493 tsk_excessive_parms
, /* A template declaration with too many
5494 template parameter lists. */
5495 tsk_insufficient_parms
, /* A template declaration with too few
5497 tsk_template
, /* A template declaration. */
5498 tsk_expl_spec
, /* An explicit specialization. */
5499 tsk_expl_inst
/* An explicit instantiation. */
5502 /* The various kinds of access. BINFO_ACCESS depends on these being
5503 two bit quantities. The numerical values are important; they are
5504 used to initialize RTTI data structures, so changing them changes
5507 ak_none
= 0, /* Inaccessible. */
5508 ak_public
= 1, /* Accessible, as a `public' thing. */
5509 ak_protected
= 2, /* Accessible, as a `protected' thing. */
5510 ak_private
= 3 /* Accessible, as a `private' thing. */
5513 /* The various kinds of special functions. If you add to this list,
5514 you should update special_function_p as well. */
5515 enum special_function_kind
{
5516 sfk_none
= 0, /* Not a special function. This enumeral
5517 must have value zero; see
5518 special_function_p. */
5519 /* The following are ordered, for use by member synthesis fns. */
5520 sfk_destructor
, /* A destructor. */
5521 sfk_constructor
, /* A constructor. */
5522 sfk_inheriting_constructor
, /* An inheriting constructor */
5523 sfk_copy_constructor
, /* A copy constructor. */
5524 sfk_move_constructor
, /* A move constructor. */
5525 sfk_copy_assignment
, /* A copy assignment operator. */
5526 sfk_move_assignment
, /* A move assignment operator. */
5527 /* The following are unordered. */
5528 sfk_complete_destructor
, /* A destructor for complete objects. */
5529 sfk_base_destructor
, /* A destructor for base subobjects. */
5530 sfk_deleting_destructor
, /* A destructor for complete objects that
5531 deletes the object after it has been
5533 sfk_conversion
, /* A conversion operator. */
5534 sfk_deduction_guide
, /* A class template deduction guide. */
5535 sfk_comparison
, /* A comparison operator (e.g. ==, <, <=>). */
5536 sfk_virtual_destructor
/* Used by member synthesis fns. */
5539 /* The various kinds of linkage. From [basic.link],
5541 A name is said to have linkage when it might denote the same
5542 object, reference, function, type, template, namespace or value
5543 as a name introduced in another scope:
5545 -- When a name has external linkage, the entity it denotes can
5546 be referred to from scopes of other translation units or from
5547 other scopes of the same translation unit.
5549 -- When a name has internal linkage, the entity it denotes can
5550 be referred to by names from other scopes in the same
5553 -- When a name has no linkage, the entity it denotes cannot be
5554 referred to by names from other scopes. */
5557 lk_none
, /* No linkage. */
5558 lk_internal
, /* Internal linkage. */
5559 lk_external
/* External linkage. */
5562 enum duration_kind
{
5569 /* Bitmask flags to control type substitution. */
5571 tf_none
= 0, /* nothing special */
5572 tf_error
= 1 << 0, /* give error messages */
5573 tf_warning
= 1 << 1, /* give warnings too */
5574 tf_ignore_bad_quals
= 1 << 2, /* ignore bad cvr qualifiers */
5575 tf_keep_type_decl
= 1 << 3, /* retain typedef type decls
5576 (make_typename_type use) */
5577 tf_ptrmem_ok
= 1 << 4, /* pointers to member ok (internal
5578 instantiate_type use) */
5579 tf_user
= 1 << 5, /* found template must be a user template
5580 (lookup_template_class use) */
5581 tf_conv
= 1 << 6, /* We are determining what kind of
5582 conversion might be permissible,
5583 not actually performing the
5585 tf_decltype
= 1 << 7, /* We are the operand of decltype.
5586 Used to implement the special rules
5587 for calls in decltype (5.2.2/11). */
5588 tf_partial
= 1 << 8, /* Doing initial explicit argument
5589 substitution in fn_type_unification. */
5590 tf_fndecl_type
= 1 << 9, /* Substituting the type of a function
5592 tf_no_cleanup
= 1 << 10, /* Do not build a cleanup
5593 (build_target_expr and friends) */
5594 tf_norm
= 1 << 11, /* Build diagnostic information during
5595 constraint normalization. */
5596 tf_tst_ok
= 1 << 12, /* Allow a typename-specifier to name
5597 a template (C++17 or later). */
5598 tf_dguide
= 1 << 13, /* Building a deduction guide from a ctor. */
5599 /* Convenient substitution flags combinations. */
5600 tf_warning_or_error
= tf_warning
| tf_error
5603 /* This type is used for parameters and variables which hold
5604 combinations of the flags in enum tsubst_flags. */
5605 typedef int tsubst_flags_t
;
5607 /* The kind of checking we can do looking in a class hierarchy. */
5608 enum base_access_flags
{
5609 ba_any
= 0, /* Do not check access, allow an ambiguous base,
5610 prefer a non-virtual base */
5611 ba_unique
= 1 << 0, /* Must be a unique base. */
5612 ba_check_bit
= 1 << 1, /* Check access. */
5613 ba_check
= ba_unique
| ba_check_bit
,
5614 ba_ignore_scope
= 1 << 2 /* Ignore access allowed by local scope. */
5617 /* This type is used for parameters and variables which hold
5618 combinations of the flags in enum base_access_flags. */
5619 typedef int base_access
;
5621 /* The various kinds of access check during parsing. */
5622 enum deferring_kind
{
5623 dk_no_deferred
= 0, /* Check access immediately */
5624 dk_deferred
= 1, /* Deferred check */
5625 dk_no_check
= 2 /* No access check */
5628 /* The kind of base we can find, looking in a class hierarchy.
5629 Values <0 indicate we failed. */
5631 bk_inaccessible
= -3, /* The base is inaccessible */
5632 bk_ambig
= -2, /* The base is ambiguous */
5633 bk_not_base
= -1, /* It is not a base */
5634 bk_same_type
= 0, /* It is the same type */
5635 bk_proper_base
= 1, /* It is a proper base */
5636 bk_via_virtual
= 2 /* It is a proper base, but via a virtual
5637 path. This might not be the canonical
5641 /* Node for "pointer to (virtual) function".
5642 This may be distinct from ptr_type_node so gdb can distinguish them. */
5643 #define vfunc_ptr_type_node vtable_entry_type
5646 /* For building calls to `delete'. */
5647 extern GTY(()) tree integer_two_node
;
5649 /* The number of function bodies which we are currently processing.
5650 (Zero if we are at namespace scope, one inside the body of a
5651 function, two inside the body of a function in a local class, etc.) */
5652 extern int function_depth
;
5654 /* Nonzero if we are inside spec_hasher::equal, which affects
5655 comparison of PARM_DECLs in cp_tree_equal. */
5656 extern int comparing_specializations
;
5658 /* Nonzero if we want different dependent aliases to compare as unequal.
5659 FIXME we should always do this except during deduction/ordering. */
5660 extern int comparing_dependent_aliases
;
5664 /* Nonzero if we are parsing an unevaluated operand: an operand to
5665 sizeof, typeof, or alignof. This is a count since operands to
5666 sizeof can be nested. */
5668 extern int cp_unevaluated_operand
;
5670 /* RAII class used to inhibit the evaluation of operands during parsing
5671 and template instantiation. Evaluation warnings are also inhibited. */
5673 class cp_unevaluated
5680 /* The reverse: an RAII class used for nested contexts that are evaluated even
5681 if the enclosing context is not. */
5688 cp_evaluated (bool reset
= true)
5689 : uneval(cp_unevaluated_operand
), inhibit(c_inhibit_evaluation_warnings
)
5691 cp_unevaluated_operand
= c_inhibit_evaluation_warnings
= 0; }
5693 { cp_unevaluated_operand
= uneval
;
5694 c_inhibit_evaluation_warnings
= inhibit
; }
5699 /* These values are used for the `STRICT' parameter to type_unification and
5700 fn_type_unification. Their meanings are described with the
5701 documentation for fn_type_unification. */
5703 enum unification_kind_t
{
5709 // An RAII class used to create a new pointer map for local
5710 // specializations. When the stack goes out of scope, the
5711 // previous pointer map is restored.
5712 enum lss_policy
{ lss_blank
, lss_copy
, lss_nop
};
5713 class local_specialization_stack
5716 local_specialization_stack (lss_policy
= lss_blank
);
5717 ~local_specialization_stack ();
5719 hash_map
<tree
, tree
> *saved
;
5722 /* Entry in the specialization hash table. */
5723 struct GTY((for_user
)) spec_entry
5725 tree tmpl
; /* The general template this is a specialization of. */
5726 tree args
; /* The args for this (maybe-partial) specialization. */
5727 tree spec
; /* The specialization itself. */
5732 extern int current_class_depth
;
5736 /* An array of static vars & fns. */
5737 extern GTY(()) vec
<tree
, va_gc
> *static_decls
;
5739 /* An array of vtable-needing types that have no key function, or have
5740 an emitted key function. */
5741 extern GTY(()) vec
<tree
, va_gc
> *keyed_classes
;
5743 /* Here's where we control how name mangling takes place. */
5745 /* Cannot use '$' up front, because this confuses gdb
5746 (names beginning with '$' are gdb-local identifiers).
5748 Note that all forms in which the '$' is significant are long enough
5749 for direct indexing (meaning that if we know there is a '$'
5750 at a particular location, we can index into the string at
5751 any other location that provides distinguishing characters). */
5753 /* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler
5754 doesn't allow '.' in symbol names. */
5755 #ifndef NO_DOT_IN_LABEL
5758 #define JOIN_STR "."
5760 #define AUTO_TEMP_NAME "_.tmp_"
5761 #define VFIELD_BASE ".vf"
5762 #define VFIELD_NAME "_vptr."
5763 #define VFIELD_NAME_FORMAT "_vptr.%s"
5765 #else /* NO_DOT_IN_LABEL */
5767 #ifndef NO_DOLLAR_IN_LABEL
5770 #define JOIN_STR "$"
5772 #define AUTO_TEMP_NAME "_$tmp_"
5773 #define VFIELD_BASE "$vf"
5774 #define VFIELD_NAME "_vptr$"
5775 #define VFIELD_NAME_FORMAT "_vptr$%s"
5777 #else /* NO_DOLLAR_IN_LABEL */
5779 #define JOIN_STR "_"
5781 #define VTABLE_NAME "__vt_"
5782 #define VTABLE_NAME_P(ID_NODE) \
5783 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
5784 sizeof (VTABLE_NAME) - 1))
5785 #define VFIELD_BASE "__vfb"
5786 #define VFIELD_NAME "__vptr_"
5787 #define VFIELD_NAME_P(ID_NODE) \
5788 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
5789 sizeof (VFIELD_NAME) - 1))
5790 #define VFIELD_NAME_FORMAT "__vptr_%s"
5792 #endif /* NO_DOLLAR_IN_LABEL */
5793 #endif /* NO_DOT_IN_LABEL */
5795 #define UDLIT_OP_ANSI_PREFIX "operator\"\""
5796 #define UDLIT_OP_ANSI_FORMAT UDLIT_OP_ANSI_PREFIX "%s"
5797 #define UDLIT_OP_MANGLED_PREFIX "li"
5798 #define UDLIT_OP_MANGLED_FORMAT UDLIT_OP_MANGLED_PREFIX "%s"
5799 #define UDLIT_OPER_P(ID_NODE) \
5800 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
5801 UDLIT_OP_ANSI_PREFIX, \
5802 sizeof (UDLIT_OP_ANSI_PREFIX) - 1))
5803 #define UDLIT_OP_SUFFIX(ID_NODE) \
5804 (IDENTIFIER_POINTER (ID_NODE) + sizeof (UDLIT_OP_ANSI_PREFIX) - 1)
5806 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
5808 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
5809 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
5810 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
5812 #define VFIELD_NAME_P(ID_NODE) \
5813 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
5815 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
5818 /* Nonzero if we're done parsing and into end-of-file activities.
5819 Two if we're done with front-end processing. */
5823 /* True if note_mangling_alias should enqueue mangling aliases for
5824 later generation, rather than emitting them right away. */
5826 extern bool defer_mangling_aliases
;
5828 /* True if noexcept is part of the type (i.e. in C++17). */
5830 extern bool flag_noexcept_type
;
5832 /* A list of namespace-scope objects which have constructors or
5833 destructors which reside in the global scope. The decl is stored
5834 in the TREE_VALUE slot and the initializer is stored in the
5835 TREE_PURPOSE slot. */
5836 extern GTY(()) tree static_aggregates
;
5837 /* Likewise, for thread local storage. */
5838 extern GTY(()) tree tls_aggregates
;
5840 /* A hash-map mapping from variable decls to the dynamic initializer for
5841 the decl. This is currently only used by OpenMP. */
5842 extern GTY(()) decl_tree_map
*dynamic_initializers
;
5844 enum overload_flags
{ NO_SPECIAL
= 0, DTOR_FLAG
, TYPENAME_FLAG
};
5846 /* These are uses as bits in flags passed to various functions to
5847 control their behavior. Despite the LOOKUP_ prefix, many of these
5848 do not control name lookup. ??? Functions using these flags should
5849 probably be modified to accept explicit boolean flags for the
5850 behaviors relevant to them. */
5851 /* Check for access violations. */
5852 #define LOOKUP_PROTECT (1 << 0)
5853 #define LOOKUP_NORMAL (LOOKUP_PROTECT)
5854 /* Even if the function found by lookup is a virtual function, it
5855 should be called directly. */
5856 #define LOOKUP_NONVIRTUAL (1 << 1)
5857 /* Non-converting (i.e., "explicit") constructors are not tried. This flag
5858 indicates that we are not performing direct-initialization. */
5859 #define LOOKUP_ONLYCONVERTING (1 << 2)
5860 #define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING)
5861 /* If a temporary is created, it should be created so that it lives
5862 as long as the current variable bindings; otherwise it only lives
5863 until the end of the complete-expression. It also forces
5864 direct-initialization in cases where other parts of the compiler
5865 have already generated a temporary, such as reference
5866 initialization and the catch parameter. */
5867 #define DIRECT_BIND (1 << 3)
5868 /* We're performing a user-defined conversion, so more user-defined
5869 conversions are not permitted (only built-in conversions). */
5870 #define LOOKUP_NO_CONVERSION (1 << 4)
5871 /* The user has explicitly called a destructor. (Therefore, we do
5872 not need to check that the object is non-NULL before calling the
5874 #define LOOKUP_DESTRUCTOR (1 << 5)
5875 /* Do not permit references to bind to temporaries. */
5876 #define LOOKUP_NO_TEMP_BIND (1 << 6)
5877 /* We're inside an init-list, so narrowing conversions are ill-formed. */
5878 #define LOOKUP_NO_NARROWING (LOOKUP_NO_TEMP_BIND << 1)
5879 /* We're looking up a constructor for list-initialization. */
5880 #define LOOKUP_LIST_INIT_CTOR (LOOKUP_NO_NARROWING << 1)
5881 /* This is the first parameter of a copy constructor. */
5882 #define LOOKUP_COPY_PARM (LOOKUP_LIST_INIT_CTOR << 1)
5883 /* We only want to consider list constructors. */
5884 #define LOOKUP_LIST_ONLY (LOOKUP_COPY_PARM << 1)
5885 /* Return after determining which function to call and checking access.
5886 Used by sythesized_method_walk to determine which functions will
5887 be called to initialize subobjects, in order to determine exception
5888 specification and possible implicit delete.
5889 This is kind of a hack, but exiting early avoids problems with trying
5890 to perform argument conversions when the class isn't complete yet. */
5891 #define LOOKUP_SPECULATIVE (LOOKUP_LIST_ONLY << 1)
5892 /* Used by calls from defaulted functions to limit the overload set to avoid
5893 cycles trying to declare them (core issue 1092). */
5894 #define LOOKUP_DEFAULTED (LOOKUP_SPECULATIVE << 1)
5895 /* Used in calls to store_init_value to suppress its usual call to
5897 #define LOOKUP_ALREADY_DIGESTED (LOOKUP_DEFAULTED << 1)
5898 /* Like LOOKUP_NO_TEMP_BIND, but also prevent binding to xvalues. */
5899 #define LOOKUP_NO_RVAL_BIND (LOOKUP_ALREADY_DIGESTED << 1)
5900 /* Used by case_conversion to disregard non-integral conversions. */
5901 #define LOOKUP_NO_NON_INTEGRAL (LOOKUP_NO_RVAL_BIND << 1)
5902 /* Used for delegating constructors in order to diagnose self-delegation. */
5903 #define LOOKUP_DELEGATING_CONS (LOOKUP_NO_NON_INTEGRAL << 1)
5904 /* Allow initialization of a flexible array members. */
5905 #define LOOKUP_ALLOW_FLEXARRAY_INIT (LOOKUP_DELEGATING_CONS << 1)
5906 /* We're looking for either a rewritten comparison operator candidate or the
5907 operator to use on the former's result. We distinguish between the two by
5908 knowing that comparisons other than == and <=> must be the latter, as must
5909 a <=> expression trying to rewrite to <=> without reversing. */
5910 #define LOOKUP_REWRITTEN (LOOKUP_ALLOW_FLEXARRAY_INIT << 1)
5911 /* Reverse the order of the two arguments for comparison rewriting. First we
5912 swap the arguments in add_operator_candidates, then we swap the conversions
5913 in add_candidate (so that they correspond to the original order of the
5914 args), then we swap the conversions back in build_new_op_1 (so they
5915 correspond to the order of the args in the candidate). */
5916 #define LOOKUP_REVERSED (LOOKUP_REWRITTEN << 1)
5917 /* We're initializing an aggregate from a parenthesized list of values. */
5918 #define LOOKUP_AGGREGATE_PAREN_INIT (LOOKUP_REVERSED << 1)
5919 /* We're computing conversions as part of a first pass of overload resolution
5920 wherein we don't try to distinguish an unviable candidate from a
5921 non-strictly viable candidate and thus can avoid computing unnecessary
5923 #define LOOKUP_SHORTCUT_BAD_CONVS (LOOKUP_AGGREGATE_PAREN_INIT << 1)
5925 /* These flags are used by the conversion code.
5926 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
5927 CONV_STATIC : Perform the explicit conversions for static_cast.
5928 CONV_CONST : Perform the explicit conversions for const_cast.
5929 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
5930 CONV_PRIVATE : Perform upcasts to private bases.
5931 CONV_FORCE_TEMP : Require a new temporary when converting to the same
5934 #define CONV_IMPLICIT 1
5935 #define CONV_STATIC 2
5936 #define CONV_CONST 4
5937 #define CONV_REINTERPRET 8
5938 #define CONV_PRIVATE 16
5939 #define CONV_FORCE_TEMP 32
5940 #define CONV_FOLD 64
5941 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5943 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5944 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
5945 #define CONV_BACKEND_CONVERT (CONV_OLD_CONVERT | CONV_FOLD)
5947 /* Used by build_expr_type_conversion to indicate which types are
5948 acceptable as arguments to the expression under consideration. */
5950 #define WANT_INT 1 /* integer types, including bool */
5951 #define WANT_FLOAT 2 /* floating point types */
5952 #define WANT_ENUM 4 /* enumerated types */
5953 #define WANT_POINTER 8 /* pointer types */
5954 #define WANT_NULL 16 /* null pointer constant */
5955 #define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */
5956 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX)
5958 /* Used with comptypes, and related functions, to guide type
5961 #define COMPARE_STRICT 0 /* Just check if the types are the
5963 #define COMPARE_BASE 1 /* Check to see if the second type is
5964 derived from the first. */
5965 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
5967 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
5968 another declaration of an existing
5970 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
5971 structural. The actual comparison
5972 will be identical to
5975 /* Used with start function. */
5976 #define SF_DEFAULT 0 /* No flags. */
5977 #define SF_PRE_PARSED 1 /* The function declaration has
5978 already been parsed. */
5979 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
5980 in the class body. */
5982 /* Used with start_decl's initialized parameter. */
5983 #define SD_UNINITIALIZED 0
5984 #define SD_INITIALIZED 1
5985 /* Like SD_INITIALIZED, but also mark the new decl as DECL_DECOMPOSITION_P. */
5986 #define SD_DECOMPOSITION 2
5987 #define SD_DEFAULTED 3
5988 #define SD_DELETED 4
5990 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
5991 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
5992 class derived from the type pointed to (referred to) by TYPE1. */
5993 #define same_or_base_type_p(TYPE1, TYPE2) \
5994 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
5996 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
5997 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
5998 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
5999 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
6000 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
6001 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
6002 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
6003 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
6004 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
6005 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
6007 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
6008 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
6009 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
6010 (TYPE_VALUES_RAW (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, \
6011 TEMPLATE_TEMPLATE_PARM, \
6012 BOUND_TEMPLATE_TEMPLATE_PARM)))
6013 #define TEMPLATE_TYPE_IDX(NODE) \
6014 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
6015 #define TEMPLATE_TYPE_LEVEL(NODE) \
6016 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
6017 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
6018 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
6019 #define TEMPLATE_TYPE_DECL(NODE) \
6020 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
6021 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
6022 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
6024 /* For a C++17 class deduction placeholder, the template it represents. */
6025 #define CLASS_PLACEHOLDER_TEMPLATE(NODE) \
6026 (DECL_INITIAL (TYPE_NAME (TEMPLATE_TYPE_PARM_CHECK (NODE))))
6028 /* Contexts in which auto deduction occurs. These flags are
6029 used to control diagnostics in do_auto_deduction. */
6031 enum auto_deduction_context
6033 adc_unspecified
, /* Not given */
6034 adc_variable_type
, /* Variable initializer deduction */
6035 adc_return_type
, /* Return type deduction */
6036 adc_unify
, /* Template argument deduction */
6037 adc_requirement
, /* Argument deduction constraint */
6038 adc_decomp_type
/* Decomposition declaration initializer deduction */
6041 /* True iff this TEMPLATE_TYPE_PARM represents decltype(auto). */
6042 #define AUTO_IS_DECLTYPE(NODE) \
6043 (TYPE_LANG_FLAG_5 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
6045 /* These constants can used as bit flags in the process of tree formatting.
6047 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
6048 TFF_SCOPE: include the class and namespace scope of the name.
6049 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
6050 TFF_DECL_SPECIFIERS: print decl-specifiers.
6051 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
6052 a class-key (resp. `enum').
6053 TFF_RETURN_TYPE: include function return type.
6054 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
6055 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
6056 TFF_TEMPLATE_HEADER: show the template<...> header in a
6057 template-declaration.
6058 TFF_TEMPLATE_NAME: show only template-name.
6059 TFF_EXPR_IN_PARENS: parenthesize expressions.
6060 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
6061 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
6063 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments
6064 identical to their defaults.
6065 TFF_NO_TEMPLATE_BINDINGS: do not print information about the template
6066 arguments for a function template specialization.
6067 TFF_POINTER: we are printing a pointer type. */
6069 #define TFF_PLAIN_IDENTIFIER (0)
6070 #define TFF_SCOPE (1)
6071 #define TFF_CHASE_TYPEDEF (1 << 1)
6072 #define TFF_DECL_SPECIFIERS (1 << 2)
6073 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
6074 #define TFF_RETURN_TYPE (1 << 4)
6075 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
6076 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
6077 #define TFF_TEMPLATE_HEADER (1 << 7)
6078 #define TFF_TEMPLATE_NAME (1 << 8)
6079 #define TFF_EXPR_IN_PARENS (1 << 9)
6080 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
6081 #define TFF_UNQUALIFIED_NAME (1 << 11)
6082 #define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12)
6083 #define TFF_NO_TEMPLATE_BINDINGS (1 << 13)
6084 #define TFF_POINTER (1 << 14)
6086 /* These constants can be used as bit flags to control strip_typedefs.
6088 STF_USER_VISIBLE: use heuristics to try to avoid stripping user-facing
6089 aliases of internal details. This is intended for diagnostics,
6090 where it should (for example) give more useful "aka" types.
6092 STF_STRIP_DEPENDENT: allow the stripping of aliases with dependent
6093 template parameters, relying on code elsewhere to report any
6094 appropriate diagnostics. */
6095 const unsigned int STF_USER_VISIBLE
= 1U;
6096 const unsigned int STF_STRIP_DEPENDENT
= 1U << 1;
6098 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
6100 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
6101 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
6102 ? TYPE_TI_TEMPLATE (NODE) \
6107 extern void init_reswords (void);
6109 /* Various flags for the overloaded operator information. */
6111 OVL_OP_FLAG_NONE
= 0, /* Don't care. */
6112 OVL_OP_FLAG_UNARY
= 1, /* Is unary. */
6113 OVL_OP_FLAG_BINARY
= 2, /* Is binary. */
6114 OVL_OP_FLAG_AMBIARY
= 3, /* May be unary or binary. */
6115 OVL_OP_FLAG_ALLOC
= 4, /* operator new or delete. */
6116 OVL_OP_FLAG_DELETE
= 1, /* operator delete. */
6117 OVL_OP_FLAG_VEC
= 2 /* vector new or delete. */
6120 /* Compressed operator codes. Order is determined by operators.def
6121 and does not match that of tree_codes. */
6125 #define DEF_OPERATOR(NAME, CODE, MANGLING, FLAGS) OVL_OP_##CODE,
6126 #define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING) /* NOTHING */
6127 #include "operators.def"
6131 /* Make sure it fits in lang_decl_fn::ovl_op_code. */
6132 STATIC_ASSERT (OVL_OP_MAX
< (1 << 6));
6134 struct GTY(()) ovl_op_info_t
{
6135 /* The IDENTIFIER_NODE for the operator. */
6137 /* The name of the operator. */
6139 /* The mangled name of the operator. */
6140 const char *mangled_name
;
6141 /* The (regular) tree code. */
6142 enum tree_code tree_code
: 16;
6143 /* The (compressed) operator code. */
6144 enum ovl_op_code ovl_op_code
: 8;
6145 /* The ovl_op_flags of the operator */
6149 /* Overloaded operator info indexed by ass_op_p & ovl_op_code. */
6150 extern GTY(()) ovl_op_info_t ovl_op_info
[2][OVL_OP_MAX
];
6151 /* Mapping from tree_codes to ovl_op_codes. */
6152 extern GTY(()) unsigned char ovl_op_mapping
[MAX_TREE_CODES
];
6153 /* Mapping for ambi-ary operators from the binary to the unary. */
6154 extern GTY(()) unsigned char ovl_op_alternate
[OVL_OP_MAX
];
6156 /* Given an ass_op_p boolean and a tree code, return a pointer to its
6157 overloaded operator info. Tree codes for non-overloaded operators
6158 map to the error-operator. */
6159 #define OVL_OP_INFO(IS_ASS_P, TREE_CODE) \
6160 (&ovl_op_info[(IS_ASS_P) != 0][ovl_op_mapping[(TREE_CODE)]])
6161 /* Overloaded operator info for an identifier for which
6162 IDENTIFIER_OVL_OP_P is true. */
6163 #define IDENTIFIER_OVL_OP_INFO(NODE) \
6164 (&ovl_op_info[IDENTIFIER_KIND_BIT_0 (NODE)][IDENTIFIER_CP_INDEX (NODE)])
6165 #define IDENTIFIER_OVL_OP_FLAGS(NODE) \
6166 (IDENTIFIER_OVL_OP_INFO (NODE)->flags)
6168 inline tree
ovl_op_identifier (bool isass
, tree_code code
)
6169 { return OVL_OP_INFO(isass
, code
)->identifier
; }
6170 inline tree
ovl_op_identifier (tree_code code
) { return ovl_op_identifier (false, code
); }
6171 #define assign_op_identifier (ovl_op_info[true][OVL_OP_NOP_EXPR].identifier)
6172 #define call_op_identifier (ovl_op_info[false][OVL_OP_CALL_EXPR].identifier)
6174 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
6177 typedef int cp_cv_quals
;
6179 /* Non-static member functions have an optional virt-specifier-seq.
6180 There is a VIRT_SPEC value for each virt-specifier.
6181 They can be combined by bitwise-or to form the complete set of
6182 virt-specifiers for a member function. */
6185 VIRT_SPEC_UNSPECIFIED
= 0x0,
6186 VIRT_SPEC_FINAL
= 0x1,
6187 VIRT_SPEC_OVERRIDE
= 0x2
6190 /* A type-qualifier, or bitmask therefore, using the VIRT_SPEC
6193 typedef int cp_virt_specifiers
;
6195 /* Wherever there is a function-cv-qual, there could also be a ref-qualifier:
6198 The return type, the parameter-type-list, the ref-qualifier, and
6199 the cv-qualifier-seq, but not the default arguments or the exception
6200 specification, are part of the function type.
6202 REF_QUAL_NONE Ordinary member function with no ref-qualifier
6203 REF_QUAL_LVALUE Member function with the &-ref-qualifier
6204 REF_QUAL_RVALUE Member function with the &&-ref-qualifier */
6206 enum cp_ref_qualifier
{
6208 REF_QUAL_LVALUE
= 1,
6212 /* A storage class. */
6214 enum cp_storage_class
{
6215 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
6216 sets the storage_class field to sc_none. */
6225 /* An individual decl-specifier. This is used to index the array of
6226 locations for the declspecs in struct cp_decl_specifier_seq
6231 ds_signed
= ds_first
,
6250 ds_redefined_builtin_type_spec
,
6256 ds_last
/* This enumerator must always be the last one. */
6259 /* A decl-specifier-seq. */
6261 struct cp_decl_specifier_seq
{
6262 /* An array of locations for the declaration sepecifiers, indexed by
6263 enum cp_decl_spec_word. */
6264 location_t locations
[ds_last
];
6265 /* The primary type, if any, given by the decl-specifier-seq.
6266 Modifiers, like "short", "const", and "unsigned" are not
6267 reflected here. This field will be a TYPE, unless a typedef-name
6268 was used, in which case it will be a TYPE_DECL. */
6270 /* The attributes, if any, provided with the specifier sequence. */
6272 /* The c++11 attributes that follows the type specifier. */
6273 tree std_attributes
;
6274 /* If non-NULL, a built-in type that the user attempted to redefine
6275 to some other type. */
6276 tree redefined_builtin_type
;
6277 /* The explicit-specifier, if any. */
6278 tree explicit_specifier
;
6279 /* The storage class specified -- or sc_none if no storage class was
6280 explicitly specified. */
6281 cp_storage_class storage_class
;
6282 /* For the __intN declspec, this stores the index into the int_n_* arrays. */
6284 /* True iff TYPE_SPEC defines a class or enum. */
6285 BOOL_BITFIELD type_definition_p
: 1;
6286 /* True iff multiple types were (erroneously) specified for this
6287 decl-specifier-seq. */
6288 BOOL_BITFIELD multiple_types_p
: 1;
6289 /* True iff multiple storage classes were (erroneously) specified
6290 for this decl-specifier-seq or a combination of a storage class
6291 with a typedef specifier. */
6292 BOOL_BITFIELD conflicting_specifiers_p
: 1;
6293 /* True iff at least one decl-specifier was found. */
6294 BOOL_BITFIELD any_specifiers_p
: 1;
6295 /* True iff at least one type-specifier was found. */
6296 BOOL_BITFIELD any_type_specifiers_p
: 1;
6297 /* True iff "int" was explicitly provided. */
6298 BOOL_BITFIELD explicit_int_p
: 1;
6299 /* True iff "__intN" was explicitly provided. */
6300 BOOL_BITFIELD explicit_intN_p
: 1;
6301 /* True iff "char" was explicitly provided. */
6302 BOOL_BITFIELD explicit_char_p
: 1;
6303 /* True iff ds_thread is set for __thread, not thread_local. */
6304 BOOL_BITFIELD gnu_thread_keyword_p
: 1;
6305 /* True iff the type is a decltype. */
6306 BOOL_BITFIELD decltype_p
: 1;
6307 /* True iff the alternate "__intN__" form of the __intN type has been
6309 BOOL_BITFIELD int_n_alt
: 1;
6312 /* The various kinds of declarators. */
6314 enum cp_declarator_kind
{
6327 typedef struct cp_declarator cp_declarator
;
6329 typedef struct cp_parameter_declarator cp_parameter_declarator
;
6331 /* A parameter, before it has been semantically analyzed. */
6332 struct cp_parameter_declarator
{
6333 /* The next parameter, or NULL_TREE if none. */
6334 cp_parameter_declarator
*next
;
6335 /* The decl-specifiers-seq for the parameter. */
6336 cp_decl_specifier_seq decl_specifiers
;
6337 /* The declarator for the parameter. */
6338 cp_declarator
*declarator
;
6339 /* The default-argument expression, or NULL_TREE, if none. */
6340 tree default_argument
;
6341 /* True iff this is a template parameter pack. */
6342 bool template_parameter_pack_p
;
6343 /* Location within source. */
6348 struct cp_declarator
{
6349 /* The kind of declarator. */
6350 ENUM_BITFIELD (cp_declarator_kind
) kind
: 4;
6351 /* Whether we parsed an ellipsis (`...') just before the declarator,
6352 to indicate this is a parameter pack. */
6353 BOOL_BITFIELD parameter_pack_p
: 1;
6354 /* If this declarator is parenthesized, this the open-paren. It is
6355 UNKNOWN_LOCATION when not parenthesized. */
6356 location_t parenthesized
;
6357 /* Currently only set for cdk_id, cdk_decomp and cdk_function. */
6359 /* If this declarator is part of an init-declarator, the location of the
6361 location_t init_loc
;
6362 /* GNU Attributes that apply to this declarator. If the declarator
6363 is a pointer or a reference, these attribute apply to the type
6366 /* Standard C++11 attributes that apply to this declarator. If the
6367 declarator is a pointer or a reference, these attributes apply
6368 to the pointer, rather than to the type pointed to. */
6369 tree std_attributes
;
6370 /* For all but cdk_id, cdk_decomp and cdk_error, the contained declarator.
6371 For cdk_id, cdk_decomp and cdk_error, guaranteed to be NULL. */
6372 cp_declarator
*declarator
;
6374 /* For identifiers. */
6376 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
6377 *_TYPE) for this identifier. */
6378 tree qualifying_scope
;
6379 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
6380 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
6381 tree unqualified_name
;
6382 /* If this is the name of a function, what kind of special
6383 function (if any). */
6384 special_function_kind sfk
;
6386 /* For functions. */
6388 /* The parameters to the function as a TREE_LIST of decl/default. */
6390 /* The cv-qualifiers for the function. */
6391 cp_cv_quals qualifiers
;
6392 /* The virt-specifiers for the function. */
6393 cp_virt_specifiers virt_specifiers
;
6394 /* The ref-qualifier for the function. */
6395 cp_ref_qualifier ref_qualifier
;
6396 /* The transaction-safety qualifier for the function. */
6398 /* The exception-specification for the function. */
6399 tree exception_specification
;
6400 /* The late-specified return type, if any. */
6401 tree late_return_type
;
6402 /* The trailing requires-clause, if any. */
6403 tree requires_clause
;
6404 location_t parens_loc
;
6408 /* The bounds to the array. */
6411 /* For cdk_pointer and cdk_ptrmem. */
6413 /* The cv-qualifiers for the pointer. */
6414 cp_cv_quals qualifiers
;
6415 /* For cdk_ptrmem, the class type containing the member. */
6418 /* For cdk_reference */
6420 /* The cv-qualifiers for the reference. These qualifiers are
6421 only used to diagnose ill-formed code. */
6422 cp_cv_quals qualifiers
;
6423 /* Whether this is an rvalue reference */
6429 /* A level of template instantiation. */
6430 struct GTY((chain_next ("%h.next"))) tinst_level
{
6431 /* The immediately deeper level in the chain. */
6432 struct tinst_level
*next
;
6434 /* The original node. TLDCL can be a DECL (for a function or static
6435 data member), a TYPE (for a class), depending on what we were
6436 asked to instantiate, or a TREE_LIST with the template as PURPOSE
6437 and the template args as VALUE, if we are substituting for
6438 overload resolution. In all these cases, TARGS is NULL.
6439 However, to avoid creating TREE_LIST objects for substitutions if
6440 we can help, we store PURPOSE and VALUE in TLDCL and TARGS,
6441 respectively. So TLDCL stands for TREE_LIST or DECL (the
6442 template is a DECL too), whereas TARGS stands for the template
6446 /* For modules we need to know (a) the modules on the path of
6447 instantiation and (b) the transitive imports along that path.
6448 Note that these two bitmaps may be inherited from NEXT, if this
6449 decl is in the same module as NEXT (or has no new information). */
6454 /* Return TRUE iff the original node is a split list. */
6455 bool split_list_p () const { return targs
; }
6457 /* Return TRUE iff the original node is a TREE_LIST object. */
6458 bool tree_list_p () const
6460 return !split_list_p () && TREE_CODE (tldcl
) == TREE_LIST
;
6463 /* Return TRUE iff the original node is not a list, split or not. */
6464 bool not_list_p () const
6466 return !split_list_p () && !tree_list_p ();
6469 /* Convert (in place) the original node from a split list to a
6474 /* Release storage for OBJ and node, if it's a TREE_LIST. */
6475 static void free (tinst_level
*obj
);
6477 /* Return TRUE iff the original node is a list, split or not. */
6478 bool list_p () const { return !not_list_p (); }
6480 /* Return the original node; if it's a split list, make it a
6481 TREE_LIST first, so that it can be returned as a single tree
6484 if (!split_list_p ()) return tldcl
;
6485 else return to_list ();
6488 /* Return the original node if it's a DECL or a TREE_LIST, but do
6489 NOT convert a split list to a TREE_LIST: return NULL instead. */
6490 tree
maybe_get_node () const {
6491 if (!split_list_p ()) return tldcl
;
6492 else return NULL_TREE
;
6495 /* The location where the template is instantiated. */
6498 /* errorcount + sorrycount when we pushed this level. */
6499 unsigned short errors
;
6501 /* Count references to this object. If refcount reaches
6502 refcount_infinity value, we don't increment or decrement the
6503 refcount anymore, as the refcount isn't accurate anymore.
6504 The object can be still garbage collected if unreferenced from
6505 anywhere, which might keep referenced objects referenced longer than
6506 otherwise necessary. Hitting the infinity is rare though. */
6507 unsigned short refcount
;
6509 /* Infinity value for the above refcount. */
6510 static const unsigned short refcount_infinity
= (unsigned short) ~0;
6513 /* BUILT_IN_FRONTEND function codes. */
6514 enum cp_built_in_function
{
6515 CP_BUILT_IN_IS_CONSTANT_EVALUATED
,
6516 CP_BUILT_IN_INTEGER_PACK
,
6517 CP_BUILT_IN_IS_CORRESPONDING_MEMBER
,
6518 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS
,
6519 CP_BUILT_IN_SOURCE_LOCATION
,
6523 bool decl_spec_seq_has_spec_p (const cp_decl_specifier_seq
*, cp_decl_spec
);
6525 /* Return the type of the `this' parameter of FNTYPE. */
6528 type_of_this_parm (const_tree fntype
)
6530 function_args_iterator iter
;
6531 gcc_assert (TREE_CODE (fntype
) == METHOD_TYPE
);
6532 function_args_iter_init (&iter
, fntype
);
6533 return function_args_iter_cond (&iter
);
6536 /* Return the class of the `this' parameter of FNTYPE. */
6539 class_of_this_parm (const_tree fntype
)
6541 return TREE_TYPE (type_of_this_parm (fntype
));
6544 /* A parameter list indicating for a function with no parameters,
6545 e.g "int f(void)". */
6546 extern cp_parameter_declarator
*no_parameters
;
6548 /* Various dump ids. */
6549 extern int class_dump_id
;
6550 extern int module_dump_id
;
6551 extern int raw_dump_id
;
6554 extern bool check_dtor_name (tree
, tree
);
6555 int magic_varargs_p (tree
);
6557 extern tree
build_conditional_expr (const op_location_t
&,
6560 extern tree
build_addr_func (tree
, tsubst_flags_t
);
6561 extern void set_flags_from_callee (tree
);
6562 extern tree
build_call_a (tree
, int, tree
*);
6563 extern tree
build_call_n (tree
, int, ...);
6564 extern bool null_ptr_cst_p (tree
);
6565 extern bool null_member_pointer_value_p (tree
);
6566 extern bool sufficient_parms_p (const_tree
);
6567 extern tree
type_decays_to (tree
);
6568 extern tree
extract_call_expr (tree
);
6569 extern tree
build_trivial_dtor_call (tree
, bool = false);
6570 extern tristate
ref_conv_binds_to_temporary (tree
, tree
, bool = false);
6571 extern tree
build_user_type_conversion (tree
, tree
, int,
6573 extern tree
build_new_function_call (tree
, vec
<tree
, va_gc
> **,
6575 extern tree
build_operator_new_call (tree
, vec
<tree
, va_gc
> **,
6576 tree
*, tree
*, tree
, tree
,
6577 tree
*, tsubst_flags_t
);
6578 extern tree
build_new_method_call (tree
, tree
,
6579 vec
<tree
, va_gc
> **, tree
,
6580 int, tree
*, tsubst_flags_t
);
6581 extern tree
build_special_member_call (tree
, tree
,
6582 vec
<tree
, va_gc
> **,
6583 tree
, int, tsubst_flags_t
);
6584 extern tree
build_new_op (const op_location_t
&,
6586 int, tree
, tree
, tree
, tree
,
6587 tree
*, tsubst_flags_t
);
6588 /* Wrapper that leaves out the usually-null op3 and overload parms. */
6589 inline tree
build_new_op (const op_location_t
&loc
, enum tree_code code
,
6590 int flags
, tree arg1
, tree arg2
,
6591 tsubst_flags_t complain
)
6593 return build_new_op (loc
, code
, flags
, arg1
, arg2
, NULL_TREE
, NULL_TREE
,
6596 extern tree
build_op_call (tree
, vec
<tree
, va_gc
> **,
6598 extern tree
build_op_subscript (const op_location_t
&, tree
,
6599 vec
<tree
, va_gc
> **, tree
*,
6601 extern bool aligned_allocation_fn_p (tree
);
6602 extern tree
destroying_delete_p (tree
);
6603 extern bool usual_deallocation_fn_p (tree
);
6604 extern tree
build_op_delete_call (enum tree_code
, tree
, tree
,
6607 extern bool can_convert (tree
, tree
, tsubst_flags_t
);
6608 extern bool can_convert_standard (tree
, tree
, tsubst_flags_t
);
6609 extern bool can_convert_arg (tree
, tree
, tree
, int,
6611 extern bool can_convert_arg_bad (tree
, tree
, tree
, int,
6613 extern int conv_flags (int, int, tree
, tree
, int);
6614 extern struct conversion
* good_conversion (tree
, tree
, tree
, int, tsubst_flags_t
);
6615 extern location_t
get_fndecl_argument_location (tree
, int);
6616 extern void complain_about_bad_argument (location_t arg_loc
,
6617 tree from_type
, tree to_type
,
6618 tree fndecl
, int parmnum
);
6619 extern void maybe_inform_about_fndecl_for_bogus_argument_init (tree
, int);
6620 extern tree
perform_dguide_overload_resolution (tree
, const vec
<tree
, va_gc
> *,
6624 /* A class for recording information about access failures (e.g. private
6625 fields), so that we can potentially supply a fix-it hint about
6626 an accessor (from a context in which the constness of the object
6629 class access_failure_info
6632 access_failure_info () : m_was_inaccessible (false),
6633 m_basetype_path (NULL_TREE
),
6634 m_decl (NULL_TREE
), m_diag_decl (NULL_TREE
) {}
6636 void record_access_failure (tree basetype_path
, tree decl
, tree diag_decl
);
6638 bool was_inaccessible_p () const { return m_was_inaccessible
; }
6639 tree
get_decl () const { return m_decl
; }
6640 tree
get_diag_decl () const { return m_diag_decl
; }
6641 tree
get_any_accessor (bool const_p
) const;
6642 void maybe_suggest_accessor (bool const_p
) const;
6643 static void add_fixit_hint (rich_location
*richloc
, tree accessor
);
6646 bool m_was_inaccessible
;
6647 tree m_basetype_path
;
6652 extern void complain_about_access (tree
, tree
, tree
, bool,
6654 extern void push_defarg_context (tree
);
6655 extern void pop_defarg_context (void);
6656 extern tree
convert_default_arg (tree
, tree
, tree
, int,
6658 extern tree
convert_arg_to_ellipsis (tree
, tsubst_flags_t
);
6659 extern tree
build_x_va_arg (location_t
, tree
, tree
);
6660 extern tree
cxx_type_promotes_to (tree
);
6661 extern tree
type_passed_as (tree
);
6662 extern tree
convert_for_arg_passing (tree
, tree
, tsubst_flags_t
);
6663 extern bool is_properly_derived_from (tree
, tree
);
6664 extern tree
initialize_reference (tree
, tree
, int,
6666 extern tree
extend_ref_init_temps (tree
, tree
,
6669 extern tree
make_temporary_var_for_ref_to_temp (tree
, tree
);
6670 extern bool type_has_extended_temps (tree
);
6671 extern tree
strip_top_quals (tree
);
6672 extern bool reference_related_p (tree
, tree
);
6673 extern bool reference_compatible_p (tree
, tree
);
6674 extern int remaining_arguments (tree
);
6675 extern tree
build_implicit_conv_flags (tree
, tree
, int);
6676 extern tree
perform_implicit_conversion (tree
, tree
, tsubst_flags_t
);
6677 extern tree
perform_implicit_conversion_flags (tree
, tree
, tsubst_flags_t
, int);
6678 extern tree
build_converted_constant_expr (tree
, tree
, tsubst_flags_t
);
6679 extern tree
build_converted_constant_bool_expr (tree
, tsubst_flags_t
);
6680 extern tree
perform_direct_initialization_if_possible (tree
, tree
, bool,
6682 extern vec
<tree
,va_gc
> *resolve_args (vec
<tree
,va_gc
>*, tsubst_flags_t
);
6683 extern tree
in_charge_arg_for_name (tree
);
6684 extern bool in_immediate_context ();
6685 extern tree
build_cxx_call (tree
, int, tree
*,
6688 extern bool is_std_init_list (tree
);
6689 extern bool is_list_ctor (tree
);
6690 extern void validate_conversion_obstack (void);
6691 extern void mark_versions_used (tree
);
6692 extern int unsafe_return_slot_p (tree
);
6693 extern bool unsafe_copy_elision_p (tree
, tree
);
6694 extern bool make_safe_copy_elision (tree
, tree
);
6695 extern bool cp_handle_deprecated_or_unavailable (tree
, tsubst_flags_t
= tf_warning_or_error
);
6696 extern void cp_warn_deprecated_use_scopes (tree
);
6697 extern tree
get_function_version_dispatcher (tree
);
6698 extern bool any_template_arguments_need_structural_equality_p (tree
);
6701 extern tree
build_vfield_ref (tree
, tree
);
6702 extern tree
build_if_in_charge (tree true_stmt
, tree false_stmt
= void_node
);
6703 extern tree
build_base_path (enum tree_code
, tree
,
6704 tree
, int, tsubst_flags_t
);
6705 extern tree
convert_to_base (tree
, tree
, bool, bool,
6707 extern tree
convert_to_base_statically (tree
, tree
);
6708 extern bool is_empty_base_ref (tree
);
6709 extern tree
build_vtbl_ref (tree
, tree
);
6710 extern tree
build_vfn_ref (tree
, tree
);
6711 extern tree
get_vtable_decl (tree
, int);
6712 extern bool add_method (tree
, tree
, bool);
6713 extern tree
declared_access (tree
);
6714 extern bool maybe_push_used_methods (tree
);
6715 extern tree
currently_open_class (tree
);
6716 extern tree
currently_open_derived_class (tree
);
6717 extern tree
outermost_open_class (void);
6718 extern tree
current_nonlambda_class_type (void);
6719 extern tree
finish_struct (tree
, tree
);
6720 extern void finish_struct_1 (tree
);
6721 extern int resolves_to_fixed_type_p (tree
, int * = NULL
);
6722 extern void init_class_processing (void);
6723 extern int is_empty_class (tree
);
6724 extern bool is_really_empty_class (tree
, bool);
6725 extern void pushclass (tree
);
6726 extern void popclass (void);
6727 extern void push_nested_class (tree
);
6728 extern void pop_nested_class (void);
6729 extern int current_lang_depth (void);
6730 extern void push_lang_context (tree
);
6731 extern void pop_lang_context (void);
6732 extern tree
instantiate_type (tree
, tree
, tsubst_flags_t
);
6733 extern void build_self_reference (void);
6734 extern int same_signature_p (const_tree
, const_tree
);
6735 extern tree
lookup_vfn_in_binfo (tree
, tree
);
6736 extern void maybe_add_class_template_decl_list (tree
, tree
, int);
6737 extern void unreverse_member_declarations (tree
);
6738 extern bool is_empty_field (tree
);
6739 extern void invalidate_class_lookup_cache (void);
6740 extern void maybe_note_name_used_in_class (tree
, tree
);
6741 extern void note_name_declared_in_class (tree
, tree
);
6742 extern tree
get_vtbl_decl_for_binfo (tree
);
6743 extern bool vptr_via_virtual_p (tree
);
6744 extern void debug_class (tree
);
6745 extern void debug_thunks (tree
);
6746 extern void set_linkage_according_to_type (tree
, tree
);
6747 extern void determine_key_method (tree
);
6748 extern void check_for_override (tree
, tree
);
6749 extern void push_class_stack (void);
6750 extern void pop_class_stack (void);
6751 extern bool default_ctor_p (const_tree
);
6752 extern bool type_has_user_nondefault_constructor (tree
);
6753 extern tree
in_class_defaulted_default_constructor (tree
);
6754 extern bool user_provided_p (tree
);
6755 extern bool type_has_user_provided_constructor (tree
);
6756 extern bool type_has_non_user_provided_default_constructor (tree
);
6757 extern bool vbase_has_user_provided_move_assign (tree
);
6758 extern tree
default_init_uninitialized_part (tree
);
6759 extern bool trivial_default_constructor_is_constexpr (tree
);
6760 extern bool type_has_constexpr_default_constructor (tree
);
6761 extern bool type_has_constexpr_destructor (tree
);
6762 extern bool type_has_virtual_destructor (tree
);
6763 extern bool classtype_has_move_assign_or_move_ctor_p (tree
, bool user_declared
);
6764 extern bool classtype_has_non_deleted_move_ctor (tree
);
6765 extern tree
classtype_has_depr_implicit_copy (tree
);
6766 extern bool classtype_has_op (tree
, tree_code
);
6767 extern tree
classtype_has_defaulted_op (tree
, tree_code
);
6768 extern bool type_build_ctor_call (tree
);
6769 extern bool type_build_dtor_call (tree
);
6770 extern void explain_non_literal_class (tree
);
6771 extern void inherit_targ_abi_tags (tree
);
6772 extern void defaulted_late_check (tree
);
6773 extern bool defaultable_fn_check (tree
);
6774 extern void check_abi_tags (tree
);
6775 extern tree
missing_abi_tags (tree
);
6776 extern void fixup_type_variants (tree
);
6777 extern void fixup_attribute_variants (tree
);
6778 extern void build_cdtor_clones (tree
, bool, bool, bool);
6779 extern void clone_cdtor (tree
, bool);
6780 extern tree
copy_operator_fn (tree
, tree_code code
);
6781 extern void adjust_clone_args (tree
);
6782 extern void deduce_noexcept_on_destructor (tree
);
6783 extern bool uniquely_derived_from_p (tree
, tree
);
6784 extern bool publicly_uniquely_derived_p (tree
, tree
);
6785 extern tree
common_enclosing_class (tree
, tree
);
6788 extern tree
convert_to_reference (tree
, tree
, int, int, tree
,
6790 extern tree
convert_from_reference (tree
);
6791 extern tree
force_rvalue (tree
, tsubst_flags_t
);
6792 extern tree
ocp_convert (tree
, tree
, int, int,
6794 extern tree
cp_convert (tree
, tree
, tsubst_flags_t
);
6795 extern tree
cp_convert_and_check (tree
, tree
, tsubst_flags_t
);
6796 extern tree
cp_fold_convert (tree
, tree
);
6797 extern tree
cp_get_callee (tree
);
6798 extern tree
cp_get_callee_fndecl (tree
);
6799 extern tree
cp_get_callee_fndecl_nofold (tree
);
6800 extern tree
cp_get_fndecl_from_callee (tree
, bool fold
= true);
6801 extern tree
convert_to_void (tree
, impl_conv_void
,
6803 extern tree
convert_force (tree
, tree
, int,
6805 extern tree
build_expr_type_conversion (int, tree
, bool);
6806 extern tree
type_promotes_to (tree
);
6807 extern bool can_convert_qual (tree
, tree
);
6808 extern tree
perform_qualification_conversions (tree
, tree
);
6809 extern bool tx_safe_fn_type_p (tree
);
6810 extern tree
tx_unsafe_fn_variant (tree
);
6811 extern bool fnptr_conv_p (tree
, tree
);
6812 extern tree
strip_fnptr_conv (tree
);
6814 /* in name-lookup.cc */
6815 extern void maybe_push_cleanup_level (tree
);
6816 extern tree
maybe_push_decl (tree
);
6817 extern tree
current_decl_namespace (void);
6820 extern tree
poplevel (int, int, int);
6821 extern void cxx_init_decl_processing (void);
6822 enum cp_tree_node_structure_enum cp_tree_node_structure
6823 (union lang_tree_node
*);
6824 extern void finish_scope (void);
6825 extern void push_switch (tree
);
6826 extern void pop_switch (void);
6827 extern void note_break_stmt (void);
6828 extern bool note_iteration_stmt_body_start (void);
6829 extern void note_iteration_stmt_body_end (bool);
6830 extern void determine_local_discriminator (tree
);
6831 extern int decls_match (tree
, tree
, bool = true);
6832 extern bool maybe_version_functions (tree
, tree
, bool);
6833 extern bool merge_default_template_args (tree
, tree
, bool);
6834 extern tree
duplicate_decls (tree
, tree
,
6835 bool hiding
= false,
6836 bool was_hidden
= false);
6837 extern tree
declare_local_label (tree
);
6838 extern tree
define_label (location_t
, tree
);
6839 extern void check_goto (tree
);
6840 extern bool check_omp_return (void);
6841 extern tree
make_typename_type (tree
, tree
, enum tag_types
, tsubst_flags_t
);
6842 extern tree
build_typename_type (tree
, tree
, tree
, tag_types
);
6843 extern tree
make_unbound_class_template (tree
, tree
, tree
, tsubst_flags_t
);
6844 extern tree
make_unbound_class_template_raw (tree
, tree
, tree
);
6845 extern unsigned push_abi_namespace (tree node
= abi_node
);
6846 extern void pop_abi_namespace (unsigned flags
,
6847 tree node
= abi_node
);
6848 extern tree
build_library_fn_ptr (const char *, tree
, int);
6849 extern tree
build_cp_library_fn_ptr (const char *, tree
, int);
6850 extern tree
push_library_fn (tree
, tree
, tree
, int);
6851 extern tree
push_throw_library_fn (tree
, tree
);
6852 extern void warn_misplaced_attr_for_class_type (location_t location
,
6854 extern tree
check_tag_decl (cp_decl_specifier_seq
*, bool);
6855 extern tree
shadow_tag (cp_decl_specifier_seq
*);
6856 extern tree
groktypename (cp_decl_specifier_seq
*, const cp_declarator
*, bool);
6857 extern tree
start_decl (const cp_declarator
*, cp_decl_specifier_seq
*, int, tree
, tree
, tree
*);
6858 extern void start_decl_1 (tree
, bool);
6859 extern bool check_array_initializer (tree
, tree
, tree
);
6860 extern void omp_declare_variant_finalize (tree
, tree
);
6861 extern void cp_finish_decl (tree
, tree
, bool, tree
, int);
6862 extern tree
lookup_decomp_type (tree
);
6863 extern void cp_maybe_mangle_decomp (tree
, tree
, unsigned int);
6864 extern void cp_finish_decomp (tree
, tree
, unsigned int);
6865 extern int cp_complete_array_type (tree
*, tree
, bool);
6866 extern int cp_complete_array_type_or_error (tree
*, tree
, bool, tsubst_flags_t
);
6867 extern tree
build_ptrmemfunc_type (tree
);
6868 extern tree
build_ptrmem_type (tree
, tree
);
6869 /* the grokdeclarator prototype is in decl.h */
6870 extern tree
build_this_parm (tree
, tree
, cp_cv_quals
);
6871 extern tree
grokparms (tree
, tree
*);
6872 extern int copy_fn_p (const_tree
);
6873 extern bool move_fn_p (const_tree
);
6874 extern bool move_signature_fn_p (const_tree
);
6875 extern tree
get_scope_of_declarator (const cp_declarator
*);
6876 extern void grok_special_member_properties (tree
);
6877 extern bool grok_ctor_properties (const_tree
, const_tree
);
6878 extern bool grok_op_properties (tree
, bool);
6879 extern tree
xref_tag (tag_types
, tree
,
6880 TAG_how
= TAG_how::CURRENT_ONLY
,
6881 bool tpl_header_p
= false);
6882 extern void xref_basetypes (tree
, tree
);
6883 extern tree
start_enum (tree
, tree
, tree
, tree
, bool, bool *);
6884 extern void finish_enum_value_list (tree
);
6885 extern void finish_enum (tree
);
6886 extern tree
build_enumerator (tree
, tree
, tree
, tree
, location_t
);
6887 extern tree
lookup_enumerator (tree
, tree
);
6888 extern bool start_preparsed_function (tree
, tree
, int);
6889 extern bool start_function (cp_decl_specifier_seq
*,
6890 const cp_declarator
*, tree
);
6891 extern void maybe_return_this (void);
6892 extern tree
begin_function_body (void);
6893 extern void finish_function_body (tree
);
6894 extern tree
outer_curly_brace_block (tree
);
6895 extern tree
finish_function (bool);
6896 extern tree
grokmethod (cp_decl_specifier_seq
*, const cp_declarator
*, tree
);
6897 extern void maybe_register_incomplete_var (tree
);
6898 extern void maybe_commonize_var (tree
);
6899 extern void complete_vars (tree
);
6900 extern tree
static_fn_type (tree
);
6901 extern void revert_static_member_fn (tree
);
6902 extern void fixup_anonymous_aggr (tree
);
6903 extern tree
compute_array_index_type (tree
, tree
, tsubst_flags_t
);
6904 extern tree
check_default_argument (tree
, tree
, tsubst_flags_t
);
6905 extern int wrapup_namespace_globals ();
6906 extern tree
create_implicit_typedef (tree
, tree
);
6907 extern int local_variable_p (const_tree
);
6908 extern tree
register_dtor_fn (tree
);
6909 extern tmpl_spec_kind
current_tmpl_spec_kind (int);
6910 extern tree
cxx_builtin_function (tree decl
);
6911 extern tree
cxx_builtin_function_ext_scope (tree decl
);
6912 extern tree
cxx_simulate_builtin_function_decl (tree
);
6913 extern tree
check_elaborated_type_specifier (enum tag_types
, tree
, bool);
6914 extern void warn_extern_redeclared_static (tree
, tree
);
6915 extern tree
cxx_comdat_group (tree
);
6916 extern bool cp_missing_noreturn_ok_p (tree
);
6917 extern bool is_direct_enum_init (tree
, tree
);
6918 extern void initialize_artificial_var (tree
, vec
<constructor_elt
, va_gc
> *);
6919 extern tree
check_var_type (tree
, tree
, location_t
);
6920 extern tree
reshape_init (tree
, tree
, tsubst_flags_t
);
6921 extern tree
next_aggregate_field (tree
);
6922 extern tree
next_subobject_field (tree
);
6923 extern tree
first_field (const_tree
);
6924 extern tree
fndecl_declared_return_type (tree
);
6925 extern bool undeduced_auto_decl (tree
);
6926 extern bool require_deduced_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
6928 extern tree
finish_case_label (location_t
, tree
, tree
);
6929 extern tree
cxx_maybe_build_cleanup (tree
, tsubst_flags_t
);
6930 extern bool check_array_designated_initializer (constructor_elt
*,
6931 unsigned HOST_WIDE_INT
);
6932 extern bool check_for_uninitialized_const_var (tree
, bool, tsubst_flags_t
);
6933 extern tree
build_explicit_specifier (tree
, tsubst_flags_t
);
6934 extern void do_push_parm_decls (tree
, tree
, tree
*);
6935 extern tree
do_aggregate_paren_init (tree
, tree
);
6938 extern void record_mangling (tree
, bool);
6939 extern void overwrite_mangling (tree
, tree
);
6940 extern void note_mangling_alias (tree
, tree
);
6941 extern void generate_mangling_aliases (void);
6942 extern tree
build_memfn_type (tree
, tree
, cp_cv_quals
, cp_ref_qualifier
);
6943 extern tree
build_pointer_ptrmemfn_type (tree
);
6944 extern tree
change_return_type (tree
, tree
);
6945 extern void maybe_retrofit_in_chrg (tree
);
6946 extern void maybe_make_one_only (tree
);
6947 extern bool vague_linkage_p (tree
);
6948 extern void grokclassfn (tree
, tree
,
6949 enum overload_flags
);
6950 extern tree
grok_array_decl (location_t
, tree
, tree
,
6951 vec
<tree
, va_gc
> **, tsubst_flags_t
);
6952 extern tree
delete_sanity (location_t
, tree
, tree
, bool,
6953 int, tsubst_flags_t
);
6954 extern tree
check_classfn (tree
, tree
, tree
);
6955 extern void check_member_template (tree
);
6956 extern tree
grokfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6957 tree
, bool, tree
, tree
);
6958 extern tree
grokbitfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6960 extern tree
splice_template_attributes (tree
*, tree
);
6961 extern bool any_dependent_type_attributes_p (tree
);
6962 extern tree
cp_reconstruct_complex_type (tree
, tree
);
6963 extern bool attributes_naming_typedef_ok (tree
);
6964 extern void cplus_decl_attributes (tree
*, tree
, int);
6965 extern void finish_anon_union (tree
);
6966 extern void cxx_post_compilation_parsing_cleanups (void);
6967 extern tree
coerce_new_type (tree
, location_t
);
6968 extern void coerce_delete_type (tree
, location_t
);
6969 extern void comdat_linkage (tree
);
6970 extern void determine_visibility (tree
);
6971 extern void constrain_class_visibility (tree
);
6972 extern void reset_type_linkage (tree
);
6973 extern void tentative_decl_linkage (tree
);
6974 extern void import_export_decl (tree
);
6975 extern tree
build_cleanup (tree
);
6976 extern tree
build_offset_ref_call_from_tree (tree
, vec
<tree
, va_gc
> **,
6978 extern bool decl_defined_p (tree
);
6979 extern bool decl_constant_var_p (tree
);
6980 extern bool decl_maybe_constant_var_p (tree
);
6981 extern void no_linkage_error (tree
);
6982 extern void check_default_args (tree
);
6983 extern bool mark_used (tree
,
6984 tsubst_flags_t
= tf_warning_or_error
);
6985 extern bool mark_single_function (tree
, tsubst_flags_t
);
6986 extern void finish_static_data_member_decl (tree
, tree
, bool, tree
, int);
6987 extern tree
cp_build_parm_decl (tree
, tree
, tree
);
6988 extern void copy_linkage (tree
, tree
);
6989 extern tree
get_guard (tree
);
6990 extern tree
get_guard_cond (tree
, bool);
6991 extern tree
set_guard (tree
);
6992 extern tree
maybe_get_tls_wrapper_call (tree
);
6993 extern void mark_needed (tree
);
6994 extern bool decl_needed_p (tree
);
6995 extern void note_vague_linkage_fn (tree
);
6996 extern void note_variable_template_instantiation (tree
);
6997 extern tree
build_artificial_parm (tree
, tree
, tree
);
6998 extern bool possibly_inlined_p (tree
);
6999 extern int parm_index (tree
);
7000 extern tree
vtv_start_verification_constructor_init_function (void);
7001 extern tree
vtv_finish_verification_constructor_init_function (tree
);
7002 extern void cp_check_const_attributes (tree
);
7005 extern const char *type_as_string (tree
, int);
7006 extern const char *type_as_string_translate (tree
, int);
7007 extern const char *decl_as_string (tree
, int);
7008 extern const char *decl_as_string_translate (tree
, int);
7009 extern const char *decl_as_dwarf_string (tree
, int);
7010 extern const char *expr_as_string (tree
, int);
7011 extern const char *expr_to_string (tree
);
7012 extern const char *lang_decl_name (tree
, int, bool);
7013 extern const char *lang_decl_dwarf_name (tree
, int, bool);
7014 extern const char *language_to_string (enum languages
);
7015 extern const char *class_key_or_enum_as_string (tree
);
7016 extern void maybe_warn_variadic_templates (void);
7017 extern void maybe_warn_cpp0x (cpp0x_warn_str str
,
7018 location_t
= input_location
);
7019 extern bool pedwarn_cxx98 (location_t
, int, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
7020 extern location_t
location_of (tree
);
7021 extern void qualified_name_lookup_error (tree
, tree
, tree
,
7025 extern void init_exception_processing (void);
7026 extern tree
expand_start_catch_block (tree
);
7027 extern void expand_end_catch_block (void);
7028 extern tree
build_exc_ptr (void);
7029 extern tree
build_throw (location_t
, tree
);
7030 extern int nothrow_libfn_p (const_tree
);
7031 extern void check_handlers (tree
);
7032 extern tree
finish_noexcept_expr (tree
, tsubst_flags_t
);
7033 extern bool expr_noexcept_p (tree
, tsubst_flags_t
);
7034 extern void perform_deferred_noexcept_checks (void);
7035 extern bool nothrow_spec_p (const_tree
);
7036 extern bool type_noexcept_p (const_tree
);
7037 extern bool type_throw_all_p (const_tree
);
7038 extern tree
build_noexcept_spec (tree
, tsubst_flags_t
);
7039 extern void choose_personality_routine (enum languages
);
7040 extern tree
build_must_not_throw_expr (tree
,tree
);
7041 extern tree
eh_type_info (tree
);
7042 extern tree
begin_eh_spec_block (void);
7043 extern void finish_eh_spec_block (tree
, tree
);
7044 extern tree
build_eh_type_type (tree
);
7045 extern tree
cp_protect_cleanup_actions (void);
7046 extern void maybe_splice_retval_cleanup (tree
);
7047 extern tree
maybe_set_retval_sentinel (void);
7049 extern tree
template_parms_to_args (tree
);
7050 extern tree
template_parms_level_to_args (tree
);
7051 extern tree
generic_targs_for (tree
);
7054 extern tree
cplus_expand_constant (tree
);
7055 extern tree
mark_use (tree expr
, bool rvalue_p
, bool read_p
,
7056 location_t
= UNKNOWN_LOCATION
,
7057 bool reject_builtin
= true);
7058 extern tree
mark_rvalue_use (tree
,
7059 location_t
= UNKNOWN_LOCATION
,
7060 bool reject_builtin
= true);
7061 extern tree
mark_lvalue_use (tree
);
7062 extern tree
mark_lvalue_use_nonread (tree
);
7063 extern tree
mark_type_use (tree
);
7064 extern tree
mark_discarded_use (tree
);
7065 extern void mark_exp_read (tree
);
7068 extern int is_friend (tree
, tree
);
7069 extern void make_friend_class (tree
, tree
, bool);
7070 extern void add_friend (tree
, tree
, bool);
7071 extern tree
do_friend (tree
, tree
, tree
,
7072 enum overload_flags
, bool);
7074 extern void set_global_friend (tree
);
7075 extern bool is_global_friend (tree
);
7078 extern tree
expand_member_init (tree
);
7079 extern void emit_mem_initializers (tree
);
7080 extern tree
build_aggr_init (tree
, tree
, int,
7082 extern int is_class_type (tree
, int);
7083 extern bool is_copy_initialization (tree
);
7084 extern tree
build_zero_init (tree
, tree
, bool);
7085 extern tree
build_value_init (tree
, tsubst_flags_t
);
7086 extern tree
build_value_init_noctor (tree
, tsubst_flags_t
);
7087 extern tree
get_nsdmi (tree
, bool, tsubst_flags_t
);
7088 extern tree
build_offset_ref (tree
, tree
, bool,
7090 extern tree
throw_bad_array_new_length (void);
7091 extern bool type_has_new_extended_alignment (tree
);
7092 extern unsigned malloc_alignment (void);
7093 extern tree
build_new_constexpr_heap_type (tree
, tree
, tree
);
7094 extern tree
build_new (location_t
,
7095 vec
<tree
, va_gc
> **, tree
,
7096 tree
, vec
<tree
, va_gc
> **,
7097 int, tsubst_flags_t
);
7098 extern tree
get_temp_regvar (tree
, tree
);
7099 extern tree
build_vec_init (tree
, tree
, tree
, bool, int,
7101 vec
<tree
, va_gc
> ** = nullptr);
7102 extern tree
build_delete (location_t
, tree
, tree
,
7103 special_function_kind
,
7104 int, int, tsubst_flags_t
);
7105 extern void push_base_cleanups (void);
7106 extern tree
build_vec_delete (location_t
, tree
, tree
,
7107 special_function_kind
, int,
7109 extern tree
create_temporary_var (tree
);
7110 extern void initialize_vtbl_ptrs (tree
);
7111 extern tree
scalar_constant_value (tree
);
7112 extern tree
decl_constant_value (tree
, bool);
7113 extern tree
decl_really_constant_value (tree
, bool = true);
7114 extern int diagnose_uninitialized_cst_or_ref_member (tree
, bool, bool);
7115 extern tree
build_vtbl_address (tree
);
7116 extern bool maybe_reject_flexarray_init (tree
, tree
);
7119 extern void cxx_dup_lang_specific_decl (tree
);
7120 extern tree
unqualified_name_lookup_error (tree
,
7121 location_t
= UNKNOWN_LOCATION
);
7122 extern tree
unqualified_fn_lookup_error (cp_expr
);
7123 extern tree
make_conv_op_name (tree
);
7124 extern tree
build_lang_decl (enum tree_code
, tree
, tree
);
7125 extern tree
build_lang_decl_loc (location_t
, enum tree_code
, tree
, tree
);
7126 extern bool maybe_add_lang_decl_raw (tree
, bool decomp_p
);
7127 extern bool maybe_add_lang_type_raw (tree
);
7128 extern void retrofit_lang_decl (tree
);
7129 extern void fit_decomposition_lang_decl (tree
, tree
);
7130 extern tree
copy_decl (tree CXX_MEM_STAT_INFO
);
7131 extern tree
copy_type (tree CXX_MEM_STAT_INFO
);
7132 extern tree
cxx_make_type (enum tree_code CXX_MEM_STAT_INFO
);
7133 extern tree
make_class_type (enum tree_code CXX_MEM_STAT_INFO
);
7134 extern const char *get_identifier_kind_name (tree
);
7135 extern void set_identifier_kind (tree
, cp_identifier_kind
);
7136 extern bool cxx_init (void);
7137 extern void cxx_finish (void);
7138 extern bool in_main_input_context (void);
7139 extern uintptr_t module_token_pre (cpp_reader
*, const cpp_token
*, uintptr_t);
7140 extern uintptr_t module_token_cdtor (cpp_reader
*, uintptr_t);
7141 extern uintptr_t module_token_lang (int type
, int keyword
, tree value
,
7142 location_t
, uintptr_t);
7145 extern void init_method (void);
7146 extern tree
make_thunk (tree
, bool, tree
, tree
);
7147 extern void finish_thunk (tree
);
7148 extern void use_thunk (tree
, bool);
7149 extern bool trivial_fn_p (tree
);
7150 extern tree
forward_parm (tree
);
7151 extern bool is_trivially_xible (enum tree_code
, tree
, tree
);
7152 extern bool is_nothrow_xible (enum tree_code
, tree
, tree
);
7153 extern bool is_xible (enum tree_code
, tree
, tree
);
7154 extern bool is_convertible (tree
, tree
);
7155 extern bool is_nothrow_convertible (tree
, tree
);
7156 extern bool ref_xes_from_temporary (tree
, tree
, bool);
7157 extern tree
get_defaulted_eh_spec (tree
, tsubst_flags_t
= tf_warning_or_error
);
7158 extern bool maybe_explain_implicit_delete (tree
);
7159 extern void explain_implicit_non_constexpr (tree
);
7160 extern bool deduce_inheriting_ctor (tree
);
7161 extern bool decl_remember_implicit_trigger_p (tree
);
7162 extern void synthesize_method (tree
);
7163 extern void maybe_synthesize_method (tree
);
7164 extern tree
lazily_declare_fn (special_function_kind
,
7166 extern tree
skip_artificial_parms_for (const_tree
, tree
);
7167 extern int num_artificial_parms_for (const_tree
);
7168 extern tree
make_alias_for (tree
, tree
);
7169 extern tree
get_copy_ctor (tree
, tsubst_flags_t
);
7170 extern tree
get_copy_assign (tree
);
7171 extern tree
get_default_ctor (tree
);
7172 extern tree
get_dtor (tree
, tsubst_flags_t
);
7173 extern tree
build_stub_object (tree
);
7174 extern tree
strip_inheriting_ctors (tree
);
7175 extern tree
inherited_ctor_binfo (tree
);
7176 extern bool base_ctor_omit_inherited_parms (tree
);
7177 extern bool ctor_omit_inherited_parms (tree
);
7178 extern tree
locate_ctor (tree
);
7179 extern tree
implicitly_declare_fn (special_function_kind
, tree
,
7182 class module_state
; /* Forward declare. */
7183 inline bool modules_p () { return flag_modules
!= 0; }
7185 /* The kind of module or part thereof that we're in. */
7186 enum module_kind_bits
7188 MK_NAMED
= 1 << 0, // TU is a named module
7189 MK_HEADER
= 1 << 1, // TU is a header unit
7190 MK_INTERFACE
= 1 << 2, // TU is an interface
7191 MK_PARTITION
= 1 << 3, // TU is a partition
7193 MK_PURVIEW
= 1 << 4, // In purview of current module
7194 MK_ATTACH
= 1 << 5, // Attaching to named module
7196 MK_EXPORTING
= 1 << 6, /* We are in an export region. */
7199 /* We do lots of bit-manipulation, so an unsigned is easier. */
7200 extern unsigned module_kind
;
7202 inline bool module_p ()
7203 { return module_kind
& (MK_NAMED
| MK_HEADER
); }
7204 inline bool named_module_p ()
7205 { return module_kind
& MK_NAMED
; }
7206 inline bool header_module_p ()
7207 { return module_kind
& MK_HEADER
; }
7208 inline bool module_interface_p ()
7209 { return module_kind
& MK_INTERFACE
; }
7210 inline bool module_partition_p ()
7211 { return module_kind
& MK_PARTITION
; }
7212 inline bool module_has_cmi_p ()
7213 { return module_kind
& (MK_INTERFACE
| MK_PARTITION
); }
7215 inline bool module_purview_p ()
7216 { return module_kind
& MK_PURVIEW
; }
7217 inline bool module_attach_p ()
7218 { return module_kind
& MK_ATTACH
; }
7220 inline bool named_module_purview_p ()
7221 { return named_module_p () && module_purview_p (); }
7223 /* We're currently exporting declarations. */
7224 inline bool module_exporting_p ()
7225 { return module_kind
& MK_EXPORTING
; }
7227 extern module_state
*get_module (tree name
, module_state
*parent
= NULL
,
7228 bool partition
= false);
7229 extern bool module_may_redeclare (tree decl
);
7231 extern bool module_global_init_needed ();
7232 extern bool module_determine_import_inits ();
7233 extern void module_add_import_initializers ();
7235 /* Where the namespace-scope decl was originally declared. */
7236 extern void set_originating_module (tree
, bool friend_p
= false);
7237 extern tree
get_originating_module_decl (tree
) ATTRIBUTE_PURE
;
7238 extern int get_originating_module (tree
, bool for_mangle
= false) ATTRIBUTE_PURE
;
7239 extern unsigned get_importing_module (tree
, bool = false) ATTRIBUTE_PURE
;
7241 /* Where current instance of the decl got declared/defined/instantiated. */
7242 extern void set_instantiating_module (tree
);
7243 extern void set_defining_module (tree
);
7244 extern void maybe_key_decl (tree ctx
, tree decl
);
7246 extern void mangle_module (int m
, bool include_partition
);
7247 extern void mangle_module_fini ();
7248 extern void lazy_load_binding (unsigned mod
, tree ns
, tree id
,
7249 binding_slot
*bslot
);
7250 extern void lazy_load_pendings (tree decl
);
7251 extern module_state
*preprocess_module (module_state
*, location_t
,
7253 bool is_import
, bool export_p
,
7254 cpp_reader
*reader
);
7255 extern void preprocessed_module (cpp_reader
*reader
);
7256 extern void import_module (module_state
*, location_t
, bool export_p
,
7257 tree attr
, cpp_reader
*);
7258 extern void declare_module (module_state
*, location_t
, bool export_p
,
7259 tree attr
, cpp_reader
*);
7260 extern void init_modules (cpp_reader
*);
7261 extern void fini_modules (cpp_reader
*, void *cookie
, bool);
7262 extern void maybe_check_all_macros (cpp_reader
*);
7263 extern void *finish_module_processing (cpp_reader
*);
7264 extern char const *module_name (unsigned, bool header_ok
);
7265 extern bitmap
get_import_bitmap ();
7266 extern bitmap
visible_instantiation_path (bitmap
*);
7267 extern void module_begin_main_file (cpp_reader
*, line_maps
*,
7268 const line_map_ordinary
*);
7269 extern void module_preprocess_options (cpp_reader
*);
7270 extern bool handle_module_option (unsigned opt
, const char *arg
, int value
);
7272 /* In optimize.cc */
7273 extern bool maybe_clone_body (tree
);
7276 extern tree
cp_convert_range_for (tree
, tree
, tree
, tree
, unsigned int, bool,
7278 extern void cp_convert_omp_range_for (tree
&, vec
<tree
, va_gc
> *, tree
&,
7279 tree
&, tree
&, tree
&, tree
&, tree
&);
7280 extern void cp_finish_omp_range_for (tree
, tree
);
7281 extern bool parsing_nsdmi (void);
7282 extern bool parsing_function_declarator ();
7283 extern bool parsing_default_capturing_generic_lambda_in_template (void);
7284 extern void inject_this_parameter (tree
, cp_cv_quals
);
7285 extern location_t
defparse_location (tree
);
7286 extern void maybe_show_extern_c_location (void);
7287 extern bool literal_integer_zerop (const_tree
);
7288 extern tree
attr_chainon (tree
, tree
);
7291 extern tree
canonical_type_parameter (tree
);
7292 extern void push_access_scope (tree
);
7293 extern void pop_access_scope (tree
);
7294 extern bool check_template_shadow (tree
);
7295 extern bool check_auto_in_tmpl_args (tree
, tree
);
7296 extern tree
get_innermost_template_args (tree
, int);
7297 extern void maybe_begin_member_template_processing (tree
);
7298 extern void maybe_end_member_template_processing (void);
7299 extern tree
finish_member_template_decl (tree
);
7300 extern void begin_template_parm_list (void);
7301 extern bool begin_specialization (void);
7302 extern void reset_specialization (void);
7303 extern void end_specialization (void);
7304 extern void begin_explicit_instantiation (void);
7305 extern void end_explicit_instantiation (void);
7306 extern void check_unqualified_spec_or_inst (tree
, location_t
);
7307 extern tree
check_explicit_specialization (tree
, tree
, int, int,
7309 extern int num_template_headers_for_class (tree
);
7310 extern void check_template_variable (tree
);
7311 extern tree
make_auto (void);
7312 extern tree
make_decltype_auto (void);
7313 extern tree
make_constrained_auto (tree
, tree
);
7314 extern tree
make_constrained_decltype_auto (tree
, tree
);
7315 extern tree
make_template_placeholder (tree
);
7316 extern bool template_placeholder_p (tree
);
7317 extern bool ctad_template_p (tree
);
7318 extern bool unparenthesized_id_or_class_member_access_p (tree
);
7319 extern tree
do_auto_deduction (tree
, tree
, tree
,
7321 = tf_warning_or_error
,
7322 auto_deduction_context
7325 int = LOOKUP_NORMAL
);
7326 extern tree
type_uses_auto (tree
);
7327 extern tree
type_uses_auto_or_concept (tree
);
7328 extern void append_type_to_template_for_access_check (tree
, tree
, tree
,
7330 extern tree
convert_generic_types_to_packs (tree
, int, int);
7331 extern tree
splice_late_return_type (tree
, tree
);
7332 extern bool is_auto (const_tree
);
7333 extern tree
process_template_parm (tree
, location_t
, tree
,
7335 extern tree
end_template_parm_list (tree
);
7336 extern void end_template_parm_list (void);
7337 extern void end_template_decl (void);
7338 extern tree
maybe_update_decl_type (tree
, tree
);
7339 extern bool check_default_tmpl_args (tree
, tree
, bool, bool, int);
7340 extern tree
push_template_decl (tree
, bool is_friend
= false);
7341 extern tree
add_inherited_template_parms (tree
, tree
);
7342 extern void template_parm_level_and_index (tree
, int*, int*);
7343 extern bool redeclare_class_template (tree
, tree
, tree
);
7344 extern tree
lookup_template_class (tree
, tree
, tree
, tree
,
7345 int, tsubst_flags_t
);
7346 extern tree
lookup_template_function (tree
, tree
);
7347 extern tree
lookup_template_variable (tree
, tree
);
7348 extern bool uses_template_parms (tree
);
7349 extern bool uses_template_parms_level (tree
, int);
7350 extern bool uses_outer_template_parms_in_constraints (tree
);
7351 extern bool in_template_function (void);
7352 extern bool need_generic_capture (void);
7353 extern tree
instantiate_class_template (tree
);
7354 extern tree
instantiate_template (tree
, tree
, tsubst_flags_t
);
7355 extern tree
fn_type_unification (tree
, tree
, tree
,
7356 const tree
*, unsigned int,
7357 tree
, unification_kind_t
, int,
7358 struct conversion
**,
7360 extern void mark_decl_instantiated (tree
, int);
7361 extern int more_specialized_fn (tree
, tree
, int);
7362 extern void do_decl_instantiation (tree
, tree
);
7363 extern void do_type_instantiation (tree
, tree
, tsubst_flags_t
);
7364 extern bool always_instantiate_p (tree
);
7365 extern bool maybe_instantiate_noexcept (tree
, tsubst_flags_t
= tf_warning_or_error
);
7366 extern tree
instantiate_decl (tree
, bool, bool);
7367 extern void maybe_instantiate_decl (tree
);
7368 extern int comp_template_parms (const_tree
, const_tree
);
7369 extern bool template_heads_equivalent_p (const_tree
, const_tree
);
7370 extern bool builtin_pack_fn_p (tree
);
7371 extern tree
uses_parameter_packs (tree
);
7372 extern bool template_parameter_pack_p (const_tree
);
7373 extern bool function_parameter_pack_p (const_tree
);
7374 extern bool function_parameter_expanded_from_pack_p (tree
, tree
);
7375 extern tree
make_pack_expansion (tree
, tsubst_flags_t
= tf_warning_or_error
);
7376 extern bool check_for_bare_parameter_packs (tree
, location_t
= UNKNOWN_LOCATION
);
7377 extern tree
build_template_info (tree
, tree
);
7378 extern tree
get_template_info (const_tree
);
7379 extern int template_class_depth (tree
);
7380 extern int is_specialization_of (tree
, tree
);
7381 extern bool is_specialization_of_friend (tree
, tree
);
7382 extern bool comp_template_args (tree
, tree
, tree
* = NULL
,
7383 tree
* = NULL
, bool = false);
7384 extern int template_args_equal (tree
, tree
, bool = false);
7385 extern tree
maybe_process_partial_specialization (tree
);
7386 extern tree
most_specialized_instantiation (tree
);
7387 extern tree
most_specialized_partial_spec (tree
, tsubst_flags_t
);
7388 extern void print_candidates (tree
);
7389 extern void instantiate_pending_templates (int);
7390 extern tree
tsubst_default_argument (tree
, int, tree
, tree
,
7392 extern tree
tsubst (tree
, tree
, tsubst_flags_t
, tree
);
7393 extern tree
tsubst_copy_and_build (tree
, tree
, tsubst_flags_t
,
7394 tree
, bool = false, bool = false);
7395 extern tree
tsubst_expr (tree
, tree
, tsubst_flags_t
,
7397 extern tree
tsubst_pack_expansion (tree
, tree
, tsubst_flags_t
, tree
);
7398 extern tree
tsubst_argument_pack (tree
, tree
, tsubst_flags_t
, tree
);
7399 extern tree
tsubst_template_args (tree
, tree
, tsubst_flags_t
, tree
);
7400 extern tree
tsubst_template_arg (tree
, tree
, tsubst_flags_t
, tree
);
7401 extern tree
tsubst_function_parms (tree
, tree
, tsubst_flags_t
, tree
);
7402 extern tree
most_general_template (tree
);
7403 extern tree
get_mostly_instantiated_function_type (tree
);
7404 extern bool problematic_instantiation_changed (void);
7405 extern void record_last_problematic_instantiation (void);
7406 extern struct tinst_level
*current_instantiation(void);
7407 extern bool instantiating_current_function_p (void);
7408 extern tree
maybe_get_template_decl_from_type_decl (tree
);
7409 extern int processing_template_parmlist
;
7410 extern bool dependent_type_p (tree
);
7411 extern bool dependent_scope_p (tree
);
7412 extern bool dependentish_scope_p (tree
);
7413 extern bool any_dependent_template_arguments_p (const_tree
);
7414 extern bool any_erroneous_template_args_p (const_tree
);
7415 extern bool dependent_template_p (tree
);
7416 extern bool dependent_template_id_p (tree
, tree
);
7417 extern bool type_dependent_expression_p (tree
);
7418 extern bool type_dependent_object_expression_p (tree
);
7419 extern bool any_type_dependent_arguments_p (const vec
<tree
, va_gc
> *);
7420 extern bool any_type_dependent_elements_p (const_tree
);
7421 extern bool type_dependent_expression_p_push (tree
);
7422 extern bool value_dependent_expression_p (tree
);
7423 extern bool instantiation_dependent_expression_p (tree
);
7424 extern bool instantiation_dependent_uneval_expression_p (tree
);
7425 extern bool any_value_dependent_elements_p (const_tree
);
7426 extern bool dependent_omp_for_p (tree
, tree
, tree
, tree
);
7427 extern tree
resolve_typename_type (tree
, bool);
7428 extern tree
template_for_substitution (tree
);
7429 extern tree
build_non_dependent_expr (tree
);
7430 extern void make_args_non_dependent (vec
<tree
, va_gc
> *);
7431 extern bool reregister_specialization (tree
, tree
, tree
);
7432 extern tree
instantiate_non_dependent_expr (tree
, tsubst_flags_t
= tf_error
);
7433 extern tree
instantiate_non_dependent_expr_internal (tree
, tsubst_flags_t
);
7434 extern tree
instantiate_non_dependent_or_null (tree
);
7435 extern bool variable_template_specialization_p (tree
);
7436 extern bool alias_type_or_template_p (tree
);
7437 enum { nt_opaque
= false, nt_transparent
= true };
7438 extern tree
alias_template_specialization_p (const_tree
, bool);
7439 extern tree
dependent_alias_template_spec_p (const_tree
, bool);
7440 extern tree
get_template_parm_object (tree expr
, tree mangle
);
7441 extern tree
tparm_object_argument (tree
);
7442 extern bool explicit_class_specialization_p (tree
);
7443 extern bool push_tinst_level (tree
);
7444 extern bool push_tinst_level (tree
, tree
);
7445 extern bool push_tinst_level_loc (tree
, location_t
);
7446 extern bool push_tinst_level_loc (tree
, tree
, location_t
);
7447 extern void pop_tinst_level (void);
7448 extern struct tinst_level
*outermost_tinst_level(void);
7449 extern bool non_templated_friend_p (tree
);
7450 extern void init_template_processing (void);
7451 extern void print_template_statistics (void);
7452 bool template_template_parameter_p (const_tree
);
7453 bool template_type_parameter_p (const_tree
);
7454 extern bool primary_template_specialization_p (const_tree
);
7455 extern tree
get_primary_template_innermost_parameters (const_tree
);
7456 extern tree
get_template_innermost_arguments (const_tree
);
7457 extern tree
get_template_argument_pack_elems (const_tree
);
7458 extern tree
get_function_template_decl (const_tree
);
7459 extern tree
resolve_nondeduced_context (tree
, tsubst_flags_t
);
7460 extern tree
resolve_nondeduced_context_or_error (tree
, tsubst_flags_t
);
7461 extern hashval_t
iterative_hash_template_arg (tree arg
, hashval_t val
);
7462 extern tree
coerce_template_parms (tree
, tree
, tree
);
7463 extern tree
coerce_template_parms (tree
, tree
, tree
, tsubst_flags_t
);
7464 extern tree
canonicalize_type_argument (tree
, tsubst_flags_t
);
7465 extern void register_local_specialization (tree
, tree
);
7466 extern tree
retrieve_local_specialization (tree
);
7467 extern tree
extract_fnparm_pack (tree
, tree
*);
7468 extern tree
template_parm_to_arg (tree
);
7469 extern tree
dguide_name (tree
);
7470 extern bool dguide_name_p (tree
);
7471 extern bool deduction_guide_p (const_tree
);
7472 extern bool copy_guide_p (const_tree
);
7473 extern bool template_guide_p (const_tree
);
7474 extern bool builtin_guide_p (const_tree
);
7475 extern void store_explicit_specifier (tree
, tree
);
7476 extern tree
lookup_explicit_specifier (tree
);
7477 extern void walk_specializations (bool,
7478 void (*)(bool, spec_entry
*,
7481 extern tree
match_mergeable_specialization (bool is_decl
, spec_entry
*);
7482 extern unsigned get_mergeable_specialization_flags (tree tmpl
, tree spec
);
7483 extern void add_mergeable_specialization (bool is_decl
, bool is_alias
,
7485 tree outer
, unsigned);
7486 extern tree
add_to_template_args (tree
, tree
);
7487 extern tree
add_outermost_template_args (tree
, tree
);
7488 extern tree
add_extra_args (tree
, tree
, tsubst_flags_t
, tree
);
7489 extern tree
build_extra_args (tree
, tree
, tsubst_flags_t
);
7492 /* A vector of all tinfo decls that haven't been emitted yet. */
7493 extern GTY(()) vec
<tree
, va_gc
> *unemitted_tinfo_decls
;
7495 extern void init_rtti_processing (void);
7496 extern tree
build_typeid (tree
, tsubst_flags_t
);
7497 extern tree
get_tinfo_decl_direct (tree
, tree
, int);
7498 extern tree
get_tinfo_decl (tree
);
7499 extern tree
get_typeid (tree
, tsubst_flags_t
);
7500 extern tree
build_headof (tree
);
7501 extern tree
build_dynamic_cast (location_t
, tree
, tree
,
7503 extern void emit_support_tinfos (void);
7504 extern bool emit_tinfo_decl (tree
);
7505 extern unsigned get_pseudo_tinfo_index (tree
);
7506 extern tree
get_pseudo_tinfo_type (unsigned);
7507 extern tree
build_if_nonnull (tree
, tree
, tsubst_flags_t
);
7510 extern tree
get_parent_with_private_access (tree decl
, tree binfo
);
7511 extern bool accessible_base_p (tree
, tree
, bool);
7512 extern tree
lookup_base (tree
, tree
, base_access
,
7513 base_kind
*, tsubst_flags_t
);
7514 extern tree
dcast_base_hint (tree
, tree
);
7515 extern int accessible_p (tree
, tree
, bool);
7516 extern int accessible_in_template_p (tree
, tree
);
7517 extern tree
lookup_field (tree
, tree
, int, bool);
7518 extern tree
lookup_fnfields (tree
, tree
, int, tsubst_flags_t
);
7519 extern tree
lookup_member (tree
, tree
, int, bool,
7521 access_failure_info
*afi
= NULL
);
7522 extern tree
lookup_member_fuzzy (tree
, tree
, bool);
7523 extern tree
locate_field_accessor (tree
, tree
, bool);
7524 extern int look_for_overrides (tree
, tree
);
7525 extern void get_pure_virtuals (tree
);
7526 extern void maybe_suppress_debug_info (tree
);
7527 extern void note_debug_info_needed (tree
);
7528 extern tree
current_scope (void);
7529 extern int at_function_scope_p (void);
7530 extern bool at_class_scope_p (void);
7531 extern bool at_namespace_scope_p (void);
7532 extern tree
context_for_name_lookup (tree
);
7533 extern tree
lookup_conversions (tree
);
7534 extern tree
binfo_from_vbase (tree
);
7535 extern tree
binfo_for_vbase (tree
, tree
);
7536 extern tree
look_for_overrides_here (tree
, tree
);
7537 #define dfs_skip_bases ((tree)1)
7538 extern tree
dfs_walk_all (tree
, tree (*) (tree
, void *),
7539 tree (*) (tree
, void *), void *);
7540 extern tree
dfs_walk_once (tree
, tree (*) (tree
, void *),
7541 tree (*) (tree
, void *), void *);
7542 extern tree
binfo_via_virtual (tree
, tree
);
7543 extern bool binfo_direct_p (tree
);
7544 extern tree
build_baselink (tree
, tree
, tree
, tree
);
7545 extern tree adjust_result_of_qualified_name_lookup
7547 extern tree
copied_binfo (tree
, tree
);
7548 extern tree
original_binfo (tree
, tree
);
7549 extern bool shared_member_p (tree
);
7550 extern bool any_dependent_bases_p (tree
= current_nonlambda_class_type ());
7551 extern bool maybe_check_overriding_exception_spec (tree
, tree
);
7553 /* in semantics.cc */
7554 extern void push_deferring_access_checks (deferring_kind
);
7555 extern void resume_deferring_access_checks (void);
7556 extern void stop_deferring_access_checks (void);
7557 extern void pop_deferring_access_checks (void);
7558 extern vec
<deferred_access_check
, va_gc
> *get_deferred_access_checks (void);
7559 extern void reopen_deferring_access_checks (vec
<deferred_access_check
, va_gc
> *);
7560 extern void pop_to_parent_deferring_access_checks (void);
7561 extern bool perform_access_checks (vec
<deferred_access_check
, va_gc
> *,
7563 extern bool perform_deferred_access_checks (tsubst_flags_t
);
7564 extern bool perform_or_defer_access_check (tree
, tree
, tree
,
7566 access_failure_info
*afi
= NULL
);
7568 /* RAII sentinel to ensures that deferred access checks are popped before
7569 a function returns. */
7571 class deferring_access_check_sentinel
7574 deferring_access_check_sentinel (enum deferring_kind kind
= dk_deferred
)
7576 push_deferring_access_checks (kind
);
7578 ~deferring_access_check_sentinel ()
7580 pop_deferring_access_checks ();
7584 extern int stmts_are_full_exprs_p (void);
7585 extern void init_cp_semantics (void);
7586 extern tree
do_poplevel (tree
);
7587 extern void break_maybe_infinite_loop (void);
7588 extern void add_decl_expr (tree
);
7589 extern tree
maybe_cleanup_point_expr_void (tree
);
7590 extern tree
finish_expr_stmt (tree
);
7591 extern tree
begin_if_stmt (void);
7592 extern tree
finish_if_stmt_cond (tree
, tree
);
7593 extern tree
finish_then_clause (tree
);
7594 extern void begin_else_clause (tree
);
7595 extern void finish_else_clause (tree
);
7596 extern void finish_if_stmt (tree
);
7597 extern tree
begin_while_stmt (void);
7598 extern void finish_while_stmt_cond (tree
, tree
, bool, unsigned short);
7599 extern void finish_while_stmt (tree
);
7600 extern tree
begin_do_stmt (void);
7601 extern void finish_do_body (tree
);
7602 extern void finish_do_stmt (tree
, tree
, bool, unsigned short);
7603 extern tree
finish_return_stmt (tree
);
7604 extern tree
begin_for_scope (tree
*);
7605 extern tree
begin_for_stmt (tree
, tree
);
7606 extern void finish_init_stmt (tree
);
7607 extern void finish_for_cond (tree
, tree
, bool, unsigned short);
7608 extern void finish_for_expr (tree
, tree
);
7609 extern void finish_for_stmt (tree
);
7610 extern tree
begin_range_for_stmt (tree
, tree
);
7611 extern void finish_range_for_decl (tree
, tree
, tree
);
7612 extern void finish_range_for_stmt (tree
);
7613 extern tree
finish_break_stmt (void);
7614 extern tree
finish_continue_stmt (void);
7615 extern tree
begin_switch_stmt (void);
7616 extern void finish_switch_cond (tree
, tree
);
7617 extern void finish_switch_stmt (tree
);
7618 extern tree
finish_goto_stmt (tree
);
7619 extern tree
begin_try_block (void);
7620 extern void finish_try_block (tree
);
7621 extern void finish_handler_sequence (tree
);
7622 extern tree
begin_function_try_block (tree
*);
7623 extern void finish_function_try_block (tree
);
7624 extern void finish_function_handler_sequence (tree
, tree
);
7625 extern void finish_cleanup_try_block (tree
);
7626 extern tree
begin_handler (void);
7627 extern void finish_handler_parms (tree
, tree
);
7628 extern void finish_handler (tree
);
7629 extern void finish_cleanup (tree
, tree
);
7630 extern bool is_this_parameter (tree
);
7637 BCS_TRANSACTION
= 8,
7640 extern tree
begin_compound_stmt (unsigned int);
7642 extern void finish_compound_stmt (tree
);
7643 extern tree
finish_asm_stmt (location_t
, int, tree
, tree
,
7644 tree
, tree
, tree
, bool);
7645 extern tree
finish_label_stmt (tree
);
7646 extern void finish_label_decl (tree
);
7647 extern cp_expr
finish_parenthesized_expr (cp_expr
);
7648 extern tree
force_paren_expr (tree
, bool = false);
7649 inline tree
force_paren_expr_uneval (tree t
)
7650 { return force_paren_expr (t
, true); }
7651 extern tree
maybe_undo_parenthesized_ref (tree
);
7652 extern tree
finish_non_static_data_member (tree
, tree
, tree
,
7653 tsubst_flags_t
= tf_warning_or_error
);
7654 extern tree
begin_stmt_expr (void);
7655 extern tree
finish_stmt_expr_expr (tree
, tree
);
7656 extern tree
finish_stmt_expr (tree
, bool);
7657 extern tree
stmt_expr_value_expr (tree
);
7658 bool empty_expr_stmt_p (tree
);
7659 extern cp_expr
perform_koenig_lookup (cp_expr
, vec
<tree
, va_gc
> *,
7661 extern tree
finish_call_expr (tree
, vec
<tree
, va_gc
> **, bool,
7662 bool, tsubst_flags_t
);
7663 extern tree
lookup_and_finish_template_variable (tree
, tree
, tsubst_flags_t
= tf_warning_or_error
);
7664 extern tree
finish_template_variable (tree
, tsubst_flags_t
= tf_warning_or_error
);
7665 extern cp_expr
finish_increment_expr (cp_expr
, enum tree_code
);
7666 extern tree
finish_this_expr (void);
7667 extern tree
finish_pseudo_destructor_expr (tree
, tree
, tree
, location_t
);
7668 extern cp_expr
finish_unary_op_expr (location_t
, enum tree_code
, cp_expr
,
7670 /* Whether this call to finish_compound_literal represents a C++11 functional
7671 cast or a C99 compound literal. */
7672 enum fcl_t
{ fcl_functional
, fcl_c99
};
7673 extern tree
finish_compound_literal (tree
, tree
, tsubst_flags_t
, fcl_t
= fcl_functional
);
7674 extern tree
finish_fname (tree
);
7675 extern void finish_translation_unit (void);
7676 extern tree
finish_template_type_parm (tree
, tree
);
7677 extern tree
finish_template_template_parm (tree
, tree
);
7678 extern tree
begin_class_definition (tree
);
7679 extern void finish_template_decl (tree
);
7680 extern tree
finish_template_type (tree
, tree
, int);
7681 extern tree
finish_base_specifier (tree
, tree
, bool);
7682 extern void finish_member_declaration (tree
);
7683 extern bool outer_automatic_var_p (tree
);
7684 extern tree
process_outer_var_ref (tree
, tsubst_flags_t
, bool force_use
= false);
7685 extern cp_expr
finish_id_expression (tree
, tree
, tree
,
7688 bool, bool, bool, bool,
7691 extern tree
finish_typeof (tree
);
7692 extern tree
finish_underlying_type (tree
);
7693 extern tree
calculate_bases (tree
, tsubst_flags_t
);
7694 extern tree
finish_bases (tree
, bool);
7695 extern tree
calculate_direct_bases (tree
, tsubst_flags_t
);
7696 extern tree
finish_offsetof (tree
, tree
, location_t
);
7697 extern void finish_decl_cleanup (tree
, tree
);
7698 extern void finish_eh_cleanup (tree
);
7699 extern void emit_associated_thunks (tree
);
7700 extern void finish_mem_initializers (tree
);
7701 extern tree
check_template_template_default_arg (tree
);
7702 extern bool expand_or_defer_fn_1 (tree
);
7703 extern void expand_or_defer_fn (tree
);
7704 extern bool check_accessibility_of_qualified_id (tree
, tree
, tree
, tsubst_flags_t
);
7705 extern tree
finish_qualified_id_expr (tree
, tree
, bool, bool,
7706 bool, bool, tsubst_flags_t
);
7707 extern void simplify_aggr_init_expr (tree
*);
7708 extern void finalize_nrv (tree
*, tree
, tree
);
7709 extern tree
omp_reduction_id (enum tree_code
, tree
, tree
);
7710 extern tree
cp_remove_omp_priv_cleanup_stmt (tree
*, int *, void *);
7711 extern bool cp_check_omp_declare_reduction (tree
);
7712 extern void finish_omp_declare_simd_methods (tree
);
7713 extern tree
finish_omp_clauses (tree
, enum c_omp_region_type
);
7714 extern tree
push_omp_privatization_clauses (bool);
7715 extern void pop_omp_privatization_clauses (tree
);
7716 extern void save_omp_privatization_clauses (vec
<tree
> &);
7717 extern void restore_omp_privatization_clauses (vec
<tree
> &);
7718 extern void finish_omp_threadprivate (tree
);
7719 extern tree
begin_omp_structured_block (void);
7720 extern tree
finish_omp_structured_block (tree
);
7721 extern tree
finish_oacc_data (tree
, tree
);
7722 extern tree
finish_oacc_host_data (tree
, tree
);
7723 extern tree
finish_omp_construct (enum tree_code
, tree
, tree
);
7724 extern tree
begin_omp_parallel (void);
7725 extern tree
finish_omp_parallel (tree
, tree
);
7726 extern tree
begin_omp_task (void);
7727 extern tree
finish_omp_task (tree
, tree
);
7728 extern tree
finish_omp_for (location_t
, enum tree_code
,
7729 tree
, tree
, tree
, tree
, tree
,
7730 tree
, tree
, vec
<tree
> *, tree
);
7731 extern tree
finish_omp_for_block (tree
, tree
);
7732 extern void finish_omp_atomic (location_t
, enum tree_code
,
7733 enum tree_code
, tree
, tree
,
7734 tree
, tree
, tree
, tree
, tree
,
7735 enum omp_memory_order
, bool);
7736 extern void finish_omp_barrier (void);
7737 extern void finish_omp_depobj (location_t
, tree
,
7738 enum omp_clause_depend_kind
,
7740 extern void finish_omp_flush (int);
7741 extern void finish_omp_taskwait (void);
7742 extern void finish_omp_taskyield (void);
7743 extern void finish_omp_cancel (tree
);
7744 extern void finish_omp_cancellation_point (tree
);
7745 extern tree
omp_privatize_field (tree
, bool);
7746 extern tree
begin_transaction_stmt (location_t
, tree
*, int);
7747 extern void finish_transaction_stmt (tree
, tree
, int, tree
);
7748 extern tree
build_transaction_expr (location_t
, tree
, int, tree
);
7749 extern bool cxx_omp_create_clause_info (tree
, tree
, bool, bool,
7751 extern tree
baselink_for_fns (tree
);
7752 extern void diagnose_failing_condition (tree
, location_t
, bool);
7753 extern void finish_static_assert (tree
, tree
, location_t
,
7755 extern tree
finish_decltype_type (tree
, bool, tsubst_flags_t
);
7756 extern tree
fold_builtin_is_corresponding_member (location_t
, int, tree
*);
7757 extern tree
fold_builtin_is_pointer_inverconvertible_with_class (location_t
, int, tree
*);
7758 extern tree
finish_trait_expr (location_t
, enum cp_trait_kind
, tree
, tree
);
7759 extern tree
finish_trait_type (enum cp_trait_kind
, tree
, tree
);
7760 extern tree
build_lambda_expr (void);
7761 extern tree
build_lambda_object (tree
);
7762 extern tree
begin_lambda_type (tree
);
7763 extern tree
lambda_capture_field_type (tree
, bool, bool);
7764 extern tree
lambda_proxy_type (tree
);
7765 extern tree
lambda_function (tree
);
7766 extern void apply_deduced_return_type (tree
, tree
);
7767 extern tree
add_capture (tree
, tree
, tree
, bool, bool);
7768 extern tree
add_default_capture (tree
, tree
, tree
);
7769 extern void insert_capture_proxy (tree
);
7770 extern void insert_pending_capture_proxies (void);
7771 extern bool is_capture_proxy (tree
);
7772 extern bool is_normal_capture_proxy (tree
);
7773 extern bool is_constant_capture_proxy (tree
);
7774 extern void register_capture_members (tree
);
7775 extern tree
lambda_expr_this_capture (tree
, int);
7776 extern void maybe_generic_this_capture (tree
, tree
);
7777 extern tree
maybe_resolve_dummy (tree
, bool);
7778 extern tree
current_nonlambda_function (void);
7779 extern tree
nonlambda_method_basetype (void);
7780 extern tree
current_nonlambda_scope (void);
7781 extern tree
current_lambda_expr (void);
7782 extern bool generic_lambda_fn_p (tree
);
7783 extern tree
do_dependent_capture (tree
, bool = false);
7784 extern bool lambda_fn_in_template_p (tree
);
7785 extern void maybe_add_lambda_conv_op (tree
);
7786 extern bool is_lambda_ignored_entity (tree
);
7787 extern bool lambda_static_thunk_p (tree
);
7788 extern bool call_from_lambda_thunk_p (tree
);
7789 extern tree
finish_builtin_launder (location_t
, tree
,
7791 extern tree
cp_build_vec_convert (tree
, location_t
, tree
,
7793 extern tree
cp_build_bit_cast (location_t
, tree
, tree
,
7795 extern void start_lambda_scope (tree
);
7796 extern void record_lambda_scope (tree
);
7797 extern void record_null_lambda_scope (tree
);
7798 extern void finish_lambda_scope (void);
7799 extern tree
start_lambda_function (tree fn
, tree lambda_expr
);
7800 extern void finish_lambda_function (tree body
);
7801 extern bool regenerated_lambda_fn_p (tree
);
7802 extern tree
lambda_regenerating_args (tree
);
7803 extern tree
most_general_lambda (tree
);
7804 extern tree
finish_omp_target (location_t
, tree
, tree
, bool);
7805 extern void finish_omp_target_clauses (location_t
, tree
, tree
*);
7808 extern int cp_tree_operand_length (const_tree
);
7809 extern int cp_tree_code_length (enum tree_code
);
7810 extern void cp_free_lang_data (tree t
);
7811 extern tree
force_target_expr (tree
, tree
, tsubst_flags_t
);
7812 extern tree
build_target_expr_with_type (tree
, tree
, tsubst_flags_t
);
7813 extern void lang_check_failed (const char *, int,
7814 const char *) ATTRIBUTE_NORETURN
7816 extern tree
stabilize_expr (tree
, tree
*);
7817 extern void stabilize_call (tree
, tree
*);
7818 extern bool stabilize_init (tree
, tree
*);
7819 extern tree
add_stmt_to_compound (tree
, tree
);
7820 extern void init_tree (void);
7821 extern bool pod_type_p (const_tree
);
7822 extern bool layout_pod_type_p (const_tree
);
7823 extern bool std_layout_type_p (const_tree
);
7824 extern bool trivial_type_p (const_tree
);
7825 extern bool trivially_copyable_p (const_tree
);
7826 extern bool type_has_unique_obj_representations (const_tree
);
7827 extern bool scalarish_type_p (const_tree
);
7828 extern bool structural_type_p (tree
, bool = false);
7829 extern bool type_has_nontrivial_default_init (const_tree
);
7830 extern bool type_has_nontrivial_copy_init (const_tree
);
7831 extern void maybe_warn_parm_abi (tree
, location_t
);
7832 extern bool class_tmpl_impl_spec_p (const_tree
);
7833 extern int zero_init_p (const_tree
);
7834 extern bool zero_init_expr_p (tree
);
7835 extern bool check_abi_tag_redeclaration (const_tree
, const_tree
,
7837 extern bool check_abi_tag_args (tree
, tree
);
7838 extern tree
strip_typedefs (tree
, bool * = NULL
,
7840 extern tree
strip_typedefs_expr (tree
, bool * = NULL
,
7842 extern tree
copy_binfo (tree
, tree
, tree
,
7844 extern int member_p (const_tree
);
7845 extern cp_lvalue_kind
real_lvalue_p (const_tree
);
7846 extern cp_lvalue_kind
lvalue_kind (const_tree
);
7847 extern bool glvalue_p (const_tree
);
7848 extern bool obvalue_p (const_tree
);
7849 extern bool xvalue_p (const_tree
);
7850 extern bool bitfield_p (const_tree
);
7851 extern tree
cp_stabilize_reference (tree
);
7852 extern bool builtin_valid_in_constant_expr_p (const_tree
);
7853 extern tree
build_min (enum tree_code
, tree
, ...);
7854 extern tree
build_min_nt_loc (location_t
, enum tree_code
,
7856 extern tree
build_min_non_dep (enum tree_code
, tree
, ...);
7857 extern tree
build_min_non_dep_op_overload (enum tree_code
, tree
, tree
, ...);
7858 extern tree
build_min_non_dep_op_overload (tree
, tree
, tree
,
7859 vec
<tree
, va_gc
> *);
7860 extern tree
build_min_nt_call_vec (tree
, vec
<tree
, va_gc
> *);
7861 extern tree
build_min_non_dep_call_vec (tree
, tree
, vec
<tree
, va_gc
> *);
7862 extern vec
<tree
, va_gc
>* vec_copy_and_insert (vec
<tree
, va_gc
>*, tree
, unsigned);
7863 extern tree
build_cplus_new (tree
, tree
, tsubst_flags_t
);
7864 extern tree
build_local_temp (tree
);
7865 extern bool is_local_temp (tree
);
7866 extern tree
build_aggr_init_expr (tree
, tree
);
7867 extern tree
get_target_expr (tree
,
7868 tsubst_flags_t
= tf_warning_or_error
);
7869 extern tree
build_cplus_array_type (tree
, tree
, int is_dep
= -1);
7870 extern tree
build_array_of_n_type (tree
, int);
7871 extern bool array_of_runtime_bound_p (tree
);
7872 extern bool vla_type_p (tree
);
7873 extern tree
build_array_copy (tree
);
7874 extern tree
build_vec_init_expr (tree
, tree
, tsubst_flags_t
);
7875 extern tree
expand_vec_init_expr (tree
, tree
, tsubst_flags_t
,
7876 vec
<tree
,va_gc
>** = nullptr);
7877 extern void diagnose_non_constexpr_vec_init (tree
);
7878 extern tree
hash_tree_cons (tree
, tree
, tree
);
7879 extern tree
hash_tree_chain (tree
, tree
);
7880 extern tree
build_qualified_name (tree
, tree
, tree
, bool);
7881 extern tree
build_ref_qualified_type (tree
, cp_ref_qualifier
);
7882 extern tree
make_binding_vec (tree
, unsigned clusters CXX_MEM_STAT_INFO
);
7883 inline tree
ovl_first (tree
) ATTRIBUTE_PURE
;
7884 extern tree
ovl_make (tree fn
,
7885 tree next
= NULL_TREE
);
7886 extern tree
ovl_insert (tree fn
, tree maybe_ovl
,
7887 int using_or_hidden
= 0);
7888 extern tree
ovl_skip_hidden (tree
) ATTRIBUTE_PURE
;
7889 extern void lookup_mark (tree lookup
, bool val
);
7890 extern tree
lookup_add (tree fns
, tree lookup
);
7891 extern tree
lookup_maybe_add (tree fns
, tree lookup
,
7893 extern int is_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7894 extern bool really_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7895 extern tree
dependent_name (tree
);
7896 extern tree
maybe_get_fns (tree
) ATTRIBUTE_PURE
;
7897 extern tree
get_fns (tree
) ATTRIBUTE_PURE
;
7898 extern tree
get_first_fn (tree
) ATTRIBUTE_PURE
;
7899 extern tree
ovl_scope (tree
);
7900 extern const char *cxx_printable_name (tree
, int);
7901 extern const char *cxx_printable_name_translate (tree
, int);
7902 extern tree
canonical_eh_spec (tree
);
7903 extern tree
build_cp_fntype_variant (tree
, cp_ref_qualifier
, tree
, bool);
7904 extern tree
build_exception_variant (tree
, tree
);
7905 extern void fixup_deferred_exception_variants (tree
, tree
);
7906 extern tree
bind_template_template_parm (tree
, tree
);
7907 extern tree
array_type_nelts_total (tree
);
7908 extern tree
array_type_nelts_top (tree
);
7909 extern bool array_of_unknown_bound_p (const_tree
);
7910 extern tree
break_out_target_exprs (tree
, bool = false);
7911 extern tree
build_ctor_subob_ref (tree
, tree
, tree
);
7912 extern tree
replace_placeholders (tree
, tree
, bool * = NULL
);
7913 extern bool find_placeholders (tree
);
7914 extern tree
get_type_decl (tree
);
7915 extern tree
decl_namespace_context (tree
);
7916 extern bool decl_anon_ns_mem_p (tree
);
7917 extern bool decl_internal_context_p (const_tree
);
7918 extern tree
lvalue_type (tree
);
7919 extern tree
error_type (tree
);
7920 extern int varargs_function_p (const_tree
);
7921 extern bool cp_tree_equal (tree
, tree
);
7922 extern tree
no_linkage_check (tree
, bool);
7923 extern void debug_binfo (tree
);
7924 extern tree
build_dummy_object (tree
);
7925 extern tree
maybe_dummy_object (tree
, tree
*);
7926 extern bool is_dummy_object (const_tree
);
7927 extern bool is_byte_access_type (tree
);
7928 extern bool is_byte_access_type_not_plain_char (tree
);
7929 extern const struct attribute_spec cxx_attribute_table
[];
7930 extern tree
make_ptrmem_cst (tree
, tree
);
7931 extern tree
cp_build_type_attribute_variant (tree
, tree
);
7932 extern tree
cp_build_reference_type (tree
, bool);
7933 extern tree
move (tree
);
7934 extern tree
cp_build_qualified_type (tree
, int,
7935 tsubst_flags_t
= tf_warning_or_error
);
7936 extern bool cv_qualified_p (const_tree
);
7937 extern tree
cv_unqualified (tree
);
7938 extern special_function_kind
special_function_p (const_tree
);
7939 extern special_function_kind
special_memfn_p (const_tree
);
7940 extern int count_trees (tree
);
7941 extern int char_type_p (tree
);
7942 extern void verify_stmt_tree (tree
);
7943 extern linkage_kind
decl_linkage (tree
);
7944 extern duration_kind
decl_storage_duration (tree
);
7945 extern tree
cp_walk_subtrees (tree
*, int*, walk_tree_fn
,
7946 void*, hash_set
<tree
> *);
7947 #define cp_walk_tree(tp,func,data,pset) \
7948 walk_tree_1 (tp, func, data, pset, cp_walk_subtrees)
7949 #define cp_walk_tree_without_duplicates(tp,func,data) \
7950 walk_tree_without_duplicates_1 (tp, func, data, cp_walk_subtrees)
7951 extern tree
rvalue (tree
);
7952 extern tree
convert_bitfield_to_declared_type (tree
);
7953 extern tree
cp_save_expr (tree
);
7954 extern bool cast_valid_in_integral_constant_expression_p (tree
);
7955 extern bool cxx_type_hash_eq (const_tree
, const_tree
);
7956 extern tree
cxx_copy_lang_qualifiers (const_tree
, const_tree
);
7958 extern void cxx_print_statistics (void);
7959 extern bool maybe_warn_zero_as_null_pointer_constant (tree
, location_t
);
7962 extern void cxx_print_xnode (FILE *, tree
, int);
7963 extern void cxx_print_decl (FILE *, tree
, int);
7964 extern void cxx_print_type (FILE *, tree
, int);
7965 extern void cxx_print_identifier (FILE *, tree
, int);
7966 extern void cxx_print_error_function (diagnostic_context
*,
7968 struct diagnostic_info
*);
7971 /* Says how we should behave when comparing two arrays one of which
7972 has unknown bounds. */
7973 enum compare_bounds_t
{ bounds_none
, bounds_either
, bounds_first
};
7975 extern bool cxx_mark_addressable (tree
, bool = false);
7976 extern int string_conv_p (const_tree
, const_tree
, int);
7977 extern tree
cp_truthvalue_conversion (tree
, tsubst_flags_t
);
7978 extern tree
contextual_conv_bool (tree
, tsubst_flags_t
);
7979 extern tree
condition_conversion (tree
);
7980 extern tree
require_complete_type (tree
,
7981 tsubst_flags_t
= tf_warning_or_error
);
7982 extern tree
complete_type (tree
);
7983 extern tree
complete_type_or_else (tree
, tree
);
7984 extern tree
complete_type_or_maybe_complain (tree
, tree
, tsubst_flags_t
);
7985 extern int cp_compare_floating_point_conversion_ranks (tree
, tree
);
7986 inline bool type_unknown_p (const_tree
);
7987 enum { ce_derived
, ce_type
, ce_normal
, ce_exact
};
7988 extern bool comp_except_specs (const_tree
, const_tree
, int);
7989 extern bool comptypes (tree
, tree
, int);
7990 extern bool same_type_ignoring_top_level_qualifiers_p (tree
, tree
);
7991 extern bool similar_type_p (tree
, tree
);
7992 extern bool next_common_initial_seqence (tree
&, tree
&);
7993 extern bool layout_compatible_type_p (tree
, tree
);
7994 extern bool compparms (const_tree
, const_tree
);
7995 extern int comp_cv_qualification (const_tree
, const_tree
);
7996 extern int comp_cv_qualification (int, int);
7997 extern int comp_cv_qual_signature (tree
, tree
);
7998 extern tree
cxx_sizeof_or_alignof_expr (location_t
, tree
,
7999 enum tree_code
, bool, bool);
8000 extern tree
cxx_sizeof_or_alignof_type (location_t
, tree
,
8001 enum tree_code
, bool, bool);
8002 extern tree
cxx_alignas_expr (tree
);
8003 extern tree
cxx_sizeof_nowarn (tree
);
8004 extern tree
is_bitfield_expr_with_lowered_type (const_tree
);
8005 extern tree
unlowered_expr_type (const_tree
);
8006 extern tree
decay_conversion (tree
,
8009 extern tree
build_class_member_access_expr (cp_expr
, tree
, tree
, bool,
8011 extern tree
finish_class_member_access_expr (cp_expr
, tree
, bool,
8013 extern tree
lookup_destructor (tree
, tree
, tree
, tsubst_flags_t
);
8014 extern tree
build_dependent_operator_type (tree
, enum tree_code
, bool);
8015 extern tree
build_x_indirect_ref (location_t
, tree
,
8018 extern tree
cp_build_indirect_ref (location_t
, tree
,
8021 extern tree
cp_build_fold_indirect_ref (tree
);
8022 extern tree
build_array_ref (location_t
, tree
, tree
);
8023 extern tree
cp_build_array_ref (location_t
, tree
, tree
,
8025 extern tree
get_member_function_from_ptrfunc (tree
*, tree
, tsubst_flags_t
);
8026 extern tree
cp_build_function_call_nary (tree
, tsubst_flags_t
, ...)
8028 extern tree
cp_build_function_call_vec (tree
, vec
<tree
, va_gc
> **,
8031 extern tree
build_x_binary_op (const op_location_t
&,
8032 enum tree_code
, tree
,
8033 enum tree_code
, tree
,
8034 enum tree_code
, tree
,
8035 tree
*, tsubst_flags_t
);
8036 inline tree
build_x_binary_op (const op_location_t
&loc
,
8037 enum tree_code code
, tree arg1
, tree arg2
,
8038 tsubst_flags_t complain
)
8040 return build_x_binary_op (loc
, code
, arg1
, TREE_CODE (arg1
), arg2
,
8041 TREE_CODE (arg2
), NULL_TREE
, NULL
, complain
);
8043 extern tree
build_x_array_ref (location_t
, tree
, tree
,
8045 extern tree
build_x_unary_op (location_t
,
8046 enum tree_code
, cp_expr
,
8047 tree
, tsubst_flags_t
);
8048 extern tree
cp_build_addressof (location_t
, tree
,
8050 extern tree
cp_build_addr_expr (tree
, tsubst_flags_t
);
8051 extern tree
cp_build_unary_op (enum tree_code
, tree
, bool,
8053 extern tree
genericize_compound_lvalue (tree
);
8054 extern tree
unary_complex_lvalue (enum tree_code
, tree
);
8055 extern tree
build_x_conditional_expr (location_t
, tree
, tree
, tree
,
8057 extern tree
build_x_compound_expr_from_list (tree
, expr_list_kind
,
8059 extern tree
build_x_compound_expr_from_vec (vec
<tree
, va_gc
> *,
8060 const char *, tsubst_flags_t
);
8061 extern tree
build_x_compound_expr (location_t
, tree
, tree
,
8062 tree
, tsubst_flags_t
);
8063 extern tree
build_compound_expr (location_t
, tree
, tree
);
8064 extern tree
cp_build_compound_expr (tree
, tree
, tsubst_flags_t
);
8065 extern tree
build_static_cast (location_t
, tree
, tree
,
8067 extern tree
build_reinterpret_cast (location_t
, tree
, tree
,
8069 extern tree
build_const_cast (location_t
, tree
, tree
,
8071 extern tree
build_c_cast (location_t
, tree
, tree
);
8072 extern cp_expr
build_c_cast (location_t loc
, tree type
,
8074 extern tree
cp_build_c_cast (location_t
, tree
, tree
,
8076 extern cp_expr
build_x_modify_expr (location_t
, tree
,
8077 enum tree_code
, tree
,
8078 tree
, tsubst_flags_t
);
8079 extern tree
cp_build_modify_expr (location_t
, tree
,
8080 enum tree_code
, tree
,
8082 extern tree
convert_for_initialization (tree
, tree
, tree
, int,
8083 impl_conv_rhs
, tree
, int,
8085 extern int comp_ptr_ttypes (tree
, tree
);
8086 extern bool comp_ptr_ttypes_const (tree
, tree
, compare_bounds_t
);
8087 extern bool error_type_p (const_tree
);
8088 extern bool ptr_reasonably_similar (const_tree
, const_tree
);
8089 extern tree
build_ptrmemfunc (tree
, tree
, int, bool,
8091 extern int cp_type_quals (const_tree
);
8092 extern int type_memfn_quals (const_tree
);
8093 extern cp_ref_qualifier
type_memfn_rqual (const_tree
);
8094 extern tree
apply_memfn_quals (tree
, cp_cv_quals
,
8095 cp_ref_qualifier
= REF_QUAL_NONE
);
8096 extern bool cp_has_mutable_p (const_tree
);
8097 extern bool at_least_as_qualified_p (const_tree
, const_tree
);
8098 extern void cp_apply_type_quals_to_decl (int, tree
);
8099 extern tree
build_ptrmemfunc1 (tree
, tree
, tree
);
8100 extern void expand_ptrmemfunc_cst (tree
, tree
*, tree
*);
8101 extern tree
type_after_usual_arithmetic_conversions (tree
, tree
);
8102 extern tree
common_pointer_type (tree
, tree
);
8103 extern tree
composite_pointer_type (const op_location_t
&,
8104 tree
, tree
, tree
, tree
,
8105 composite_pointer_operation
,
8107 extern tree
merge_types (tree
, tree
);
8108 extern tree
strip_array_domain (tree
);
8109 extern tree
check_return_expr (tree
, bool *);
8110 extern tree
spaceship_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
8111 extern tree
genericize_spaceship (location_t
, tree
, tree
, tree
);
8112 extern tree
cp_build_binary_op (const op_location_t
&,
8113 enum tree_code
, tree
, tree
,
8115 extern tree
build_x_vec_perm_expr (location_t
,
8118 extern tree
build_x_shufflevector (location_t
,
8121 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (input_location, T, SIZEOF_EXPR, false, true)
8122 extern tree
build_simple_component_ref (tree
, tree
);
8123 extern tree
build_ptrmemfunc_access_expr (tree
, tree
);
8124 extern tree
build_address (tree
);
8125 extern tree
build_nop (tree
, tree
);
8126 extern tree
non_reference (tree
);
8127 extern tree
lookup_anon_field (tree
, tree
);
8128 extern bool invalid_nonstatic_memfn_p (location_t
, tree
,
8130 extern tree
convert_member_func_to_ptr (tree
, tree
, tsubst_flags_t
);
8131 extern tree
convert_ptrmem (tree
, tree
, bool, bool,
8133 extern int lvalue_or_else (tree
, enum lvalue_use
,
8135 extern void check_template_keyword (tree
);
8136 extern bool check_raw_literal_operator (const_tree decl
);
8137 extern bool check_literal_operator_args (const_tree
, bool *, bool *);
8138 extern void maybe_warn_about_useless_cast (location_t
, tree
, tree
,
8140 extern tree
cp_perform_integral_promotions (tree
, tsubst_flags_t
);
8142 extern tree
finish_left_unary_fold_expr (tree
, int);
8143 extern tree
finish_right_unary_fold_expr (tree
, int);
8144 extern tree
finish_binary_fold_expr (tree
, tree
, int);
8145 extern tree
treat_lvalue_as_rvalue_p (tree
, bool);
8146 extern bool decl_in_std_namespace_p (tree
);
8147 extern void maybe_warn_pessimizing_move (tree
, tree
, bool);
8150 extern void require_complete_eh_spec_types (tree
, tree
);
8151 extern void cxx_incomplete_type_diagnostic (location_t
, const_tree
,
8152 const_tree
, diagnostic_t
);
8154 loc_or_input_loc (location_t loc
)
8156 return loc
== UNKNOWN_LOCATION
? input_location
: loc
;
8160 cp_expr_loc_or_loc (const_tree t
, location_t or_loc
)
8162 location_t loc
= cp_expr_location (t
);
8163 if (loc
== UNKNOWN_LOCATION
)
8169 cp_expr_loc_or_input_loc (const_tree t
)
8171 return cp_expr_loc_or_loc (t
, input_location
);
8175 cxx_incomplete_type_diagnostic (const_tree value
, const_tree type
,
8176 diagnostic_t diag_kind
)
8178 cxx_incomplete_type_diagnostic (cp_expr_loc_or_input_loc (value
),
8179 value
, type
, diag_kind
);
8182 extern void cxx_incomplete_type_error (location_t
, const_tree
,
8185 cxx_incomplete_type_error (const_tree value
, const_tree type
)
8187 cxx_incomplete_type_diagnostic (value
, type
, DK_ERROR
);
8190 extern void cxx_incomplete_type_inform (const_tree
);
8191 extern tree
error_not_base_type (tree
, tree
);
8192 extern tree
binfo_or_else (tree
, tree
);
8193 extern void cxx_readonly_error (location_t
, tree
,
8195 extern void complete_type_check_abstract (tree
);
8196 extern int abstract_virtuals_error (tree
, tree
,
8197 tsubst_flags_t
= tf_warning_or_error
);
8198 extern int abstract_virtuals_error (abstract_class_use
, tree
,
8199 tsubst_flags_t
= tf_warning_or_error
);
8201 extern tree
store_init_value (tree
, tree
, vec
<tree
, va_gc
>**, int);
8202 extern tree
split_nonconstant_init (tree
, tree
);
8203 extern bool check_narrowing (tree
, tree
, tsubst_flags_t
,
8205 extern bool ordinary_char_type_p (tree
);
8206 extern bool array_string_literal_compatible_p (tree
, tree
);
8207 extern tree
digest_init (tree
, tree
, tsubst_flags_t
);
8208 extern tree
digest_init_flags (tree
, tree
, int, tsubst_flags_t
);
8209 extern tree
digest_nsdmi_init (tree
, tree
, tsubst_flags_t
);
8210 extern tree
build_scoped_ref (tree
, tree
, tree
*);
8211 extern tree
build_x_arrow (location_t
, tree
,
8213 extern tree
build_m_component_ref (tree
, tree
, tsubst_flags_t
);
8214 extern tree
build_functional_cast (location_t
, tree
, tree
,
8216 extern tree
add_exception_specifier (tree
, tree
, tsubst_flags_t
);
8217 extern tree
merge_exception_specifiers (tree
, tree
);
8218 extern void set_target_expr_eliding (tree
);
8219 extern tree
cp_build_init_expr (location_t
, tree
, tree
);
8220 inline tree
cp_build_init_expr (tree t
, tree i
)
8221 { return cp_build_init_expr (input_location
, t
, i
); }
8224 extern void init_mangle (void);
8225 extern void mangle_decl (tree
);
8226 extern const char *mangle_type_string (tree
);
8227 extern tree
mangle_typeinfo_for_type (tree
);
8228 extern tree
mangle_typeinfo_string_for_type (tree
);
8229 extern tree
mangle_vtbl_for_type (tree
);
8230 extern tree
mangle_vtt_for_type (tree
);
8231 extern tree
mangle_ctor_vtbl_for_type (tree
, tree
);
8232 extern tree
mangle_thunk (tree
, int, tree
, tree
, tree
);
8233 extern tree
mangle_guard_variable (tree
);
8234 extern tree
mangle_tls_init_fn (tree
);
8235 extern tree
mangle_tls_wrapper_fn (tree
);
8236 extern bool decl_tls_wrapper_p (tree
);
8237 extern tree
mangle_ref_init_variable (tree
);
8238 extern tree
mangle_template_parm_object (tree
);
8239 extern char *get_mangled_vtable_map_var_name (tree
);
8240 extern bool mangle_return_type_p (tree
);
8241 extern tree
mangle_decomp (tree
, vec
<tree
> &);
8242 extern void mangle_module_substitution (int);
8243 extern int mangle_module_component (tree id
, bool partition
);
8244 extern tree
mangle_module_global_init (int);
8247 extern bool cp_dump_tree (void *, tree
);
8249 /* In cp/cp-objcp-common.cc. */
8251 extern alias_set_type
cxx_get_alias_set (tree
);
8252 extern bool cxx_warn_unused_global_decl (const_tree
);
8253 extern size_t cp_tree_size (enum tree_code
);
8254 extern bool cp_var_mod_type_p (tree
, tree
);
8255 extern void cxx_initialize_diagnostics (diagnostic_context
*);
8256 extern int cxx_types_compatible_p (tree
, tree
);
8257 extern bool cxx_block_may_fallthru (const_tree
);
8259 /* in cp-gimplify.cc */
8260 extern int cp_gimplify_expr (tree
*, gimple_seq
*,
8262 extern void cp_genericize (tree
);
8263 extern bool cxx_omp_const_qual_no_mutable (tree
);
8264 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing_1 (tree
);
8265 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing (tree
);
8266 extern enum omp_clause_defaultmap_kind
cxx_omp_predetermined_mapping (tree
);
8267 extern tree
cxx_omp_clause_default_ctor (tree
, tree
, tree
);
8268 extern tree
cxx_omp_clause_copy_ctor (tree
, tree
, tree
);
8269 extern tree
cxx_omp_clause_assign_op (tree
, tree
, tree
);
8270 extern tree
cxx_omp_clause_dtor (tree
, tree
);
8271 extern void cxx_omp_finish_clause (tree
, gimple_seq
*, bool);
8272 extern bool cxx_omp_privatize_by_reference (const_tree
);
8273 extern bool cxx_omp_disregard_value_expr (tree
, bool);
8274 extern void cp_fold_function (tree
);
8275 extern tree
cp_fold_maybe_rvalue (tree
, bool);
8276 extern tree
cp_fold_rvalue (tree
);
8277 extern tree
cp_fully_fold (tree
);
8278 extern tree
cp_fully_fold_init (tree
);
8279 extern tree
predeclare_vla (tree
);
8280 extern void clear_fold_cache (void);
8281 extern tree
lookup_hotness_attribute (tree
);
8282 extern tree
process_stmt_hotness_attribute (tree
, location_t
);
8283 extern tree
process_stmt_assume_attribute (tree
, tree
, location_t
);
8284 extern bool simple_empty_class_p (tree
, tree
, tree_code
);
8285 extern tree
fold_builtin_source_location (location_t
);
8287 /* in name-lookup.cc */
8288 extern tree
strip_using_decl (tree
);
8289 extern void diagnose_name_conflict (tree
, tree
);
8290 extern bool dependent_local_decl_p (tree
);
8292 /* Tell the binding oracle what kind of binding we are looking for. */
8294 enum cp_oracle_request
8296 CP_ORACLE_IDENTIFIER
8299 /* If this is non-NULL, then it is a "binding oracle" which can lazily
8300 create bindings when needed by the C compiler. The oracle is told
8301 the name and type of the binding to create. It can call pushdecl
8302 or the like to ensure the binding is visible; or do nothing,
8303 leaving the binding untouched. c-decl.cc takes note of when the
8304 oracle has been called and will not call it again if it fails to
8305 create a given binding. */
8307 typedef void cp_binding_oracle_function (enum cp_oracle_request
, tree identifier
);
8309 extern cp_binding_oracle_function
*cp_binding_oracle
;
8311 /* Set during diagnostics to record the failed constraint. This is a
8312 TREE_LIST whose VALUE is the constraint and whose PURPOSE are the
8313 instantiation arguments Defined in pt.cc. */
8315 extern tree current_failed_constraint
;
8317 /* An RAII class to manage the failed constraint. */
8319 struct diagnosing_failed_constraint
8321 diagnosing_failed_constraint (tree
, tree
, bool);
8322 ~diagnosing_failed_constraint ();
8323 static bool replay_errors_p ();
8325 bool diagnosing_error
;
8328 /* in constraint.cc */
8330 extern cp_expr
finish_constraint_or_expr (location_t
, cp_expr
, cp_expr
);
8331 extern cp_expr
finish_constraint_and_expr (location_t
, cp_expr
, cp_expr
);
8332 extern cp_expr
finish_constraint_primary_expr (cp_expr
);
8333 extern tree
finish_concept_definition (cp_expr
, tree
);
8334 extern tree
combine_constraint_expressions (tree
, tree
);
8335 extern tree
append_constraint (tree
, tree
);
8336 extern tree
get_constraints (const_tree
);
8337 extern void set_constraints (tree
, tree
);
8338 extern void remove_constraints (tree
);
8339 extern tree
current_template_constraints (void);
8340 extern tree
associate_classtype_constraints (tree
);
8341 extern tree
build_constraints (tree
, tree
);
8342 extern tree
maybe_substitute_reqs_for (tree
, const_tree
);
8343 extern tree
get_trailing_function_requirements (tree
);
8344 extern tree
get_shorthand_constraints (tree
);
8346 extern tree
build_concept_id (tree
);
8347 extern tree
build_type_constraint (tree
, tree
, tsubst_flags_t
);
8348 extern tree
build_concept_check (tree
, tree
, tsubst_flags_t
);
8349 extern tree
build_concept_check (tree
, tree
, tree
, tsubst_flags_t
);
8351 extern tree_pair
finish_type_constraints (tree
, tree
, tsubst_flags_t
);
8352 extern tree
build_constrained_parameter (tree
, tree
, tree
= NULL_TREE
);
8353 extern void placeholder_extract_concept_and_args (tree
, tree
&, tree
&);
8354 extern bool equivalent_placeholder_constraints (tree
, tree
);
8355 extern hashval_t
hash_placeholder_constraint (tree
);
8356 extern bool deduce_constrained_parameter (tree
, tree
&, tree
&);
8357 extern tree
resolve_constraint_check (tree
);
8358 extern tree
check_function_concept (tree
);
8359 extern tree
finish_template_introduction (tree
, tree
, location_t loc
);
8360 extern bool valid_requirements_p (tree
);
8361 extern tree
finish_concept_name (tree
);
8362 extern tree
finish_shorthand_constraint (tree
, tree
);
8363 extern tree
finish_requires_expr (location_t
, tree
, tree
);
8364 extern tree
finish_simple_requirement (location_t
, tree
);
8365 extern tree
finish_type_requirement (location_t
, tree
);
8366 extern tree
finish_compound_requirement (location_t
, tree
, tree
, bool);
8367 extern tree
finish_nested_requirement (location_t
, tree
);
8368 extern tree
tsubst_requires_expr (tree
, tree
, tsubst_flags_t
, tree
);
8369 extern tree
evaluate_requires_expr (tree
);
8370 extern tree
tsubst_constraint (tree
, tree
, tsubst_flags_t
, tree
);
8371 extern tree
tsubst_constraint_info (tree
, tree
, tsubst_flags_t
, tree
);
8372 extern tree
tsubst_parameter_mapping (tree
, tree
, tsubst_flags_t
, tree
);
8374 struct processing_constraint_expression_sentinel
8376 processing_constraint_expression_sentinel ();
8377 ~processing_constraint_expression_sentinel ();
8380 extern bool processing_constraint_expression_p ();
8382 extern tree
unpack_concept_check (tree
);
8383 extern tree
evaluate_concept_check (tree
);
8384 extern bool constraints_satisfied_p (tree
, tree
= NULL_TREE
);
8385 extern bool* lookup_subsumption_result (tree
, tree
);
8386 extern bool save_subsumption_result (tree
, tree
, bool);
8387 extern tree
find_template_parameters (tree
, tree
);
8388 extern bool equivalent_constraints (tree
, tree
);
8389 extern bool equivalently_constrained (tree
, tree
);
8390 extern bool strictly_subsumes (tree
, tree
);
8391 extern bool weakly_subsumes (tree
, tree
);
8392 extern int more_constrained (tree
, tree
);
8393 extern bool at_least_as_constrained (tree
, tree
);
8394 extern bool constraints_equivalent_p (tree
, tree
);
8395 extern bool atomic_constraints_identical_p (tree
, tree
);
8396 extern hashval_t
iterative_hash_constraint (tree
, hashval_t
);
8397 extern hashval_t
hash_atomic_constraint (tree
);
8398 extern void diagnose_constraints (location_t
, tree
, tree
);
8400 extern void note_failed_type_completion_for_satisfaction (tree
);
8402 /* A structural hasher for ATOMIC_CONSTRs. */
8404 struct atom_hasher
: default_hash_traits
<tree
>
8406 static hashval_t
hash (tree t
)
8408 return hash_atomic_constraint (t
);
8411 static bool equal (tree t1
, tree t2
)
8413 return atomic_constraints_identical_p (t1
, t2
);
8418 extern bool subsumes (tree
, tree
);
8421 extern void set_current_access_from_decl (tree
);
8422 extern void cp_finish_injected_record_type (tree
);
8424 /* in vtable-class-hierarchy.cc */
8425 extern void vtv_compute_class_hierarchy_transitive_closure (void);
8426 extern void vtv_generate_init_routine (void);
8427 extern void vtv_save_class_info (tree
);
8428 extern void vtv_recover_class_info (void);
8429 extern void vtv_build_vtable_verify_fndecl (void);
8431 /* In constexpr.cc */
8432 /* Representation of entries in the constexpr function definition table. */
8434 struct GTY((for_user
)) constexpr_fundef
{
8441 extern void fini_constexpr (void);
8442 extern bool literal_type_p (tree
);
8443 extern void maybe_save_constexpr_fundef (tree
);
8444 extern void register_constexpr_fundef (const constexpr_fundef
&);
8445 extern constexpr_fundef
*retrieve_constexpr_fundef (tree
);
8446 extern bool is_valid_constexpr_fn (tree
, bool);
8447 extern bool check_constexpr_ctor_body (tree
, tree
, bool);
8448 extern tree
constexpr_fn_retval (tree
);
8449 extern tree
ensure_literal_type_for_constexpr_object (tree
);
8450 extern bool potential_constant_expression (tree
);
8451 extern bool is_constant_expression (tree
);
8452 extern bool is_rvalue_constant_expression (tree
);
8453 extern bool is_nondependent_constant_expression (tree
);
8454 extern bool is_nondependent_static_init_expression (tree
);
8455 extern bool is_static_init_expression (tree
);
8456 extern bool potential_rvalue_constant_expression (tree
);
8457 extern bool require_potential_constant_expression (tree
);
8458 extern bool require_constant_expression (tree
);
8459 extern bool require_rvalue_constant_expression (tree
);
8460 extern bool require_potential_rvalue_constant_expression (tree
);
8461 extern tree
cxx_constant_value (tree
, tree
= NULL_TREE
,
8462 tsubst_flags_t
= tf_error
);
8463 inline tree
cxx_constant_value (tree t
, tsubst_flags_t complain
)
8464 { return cxx_constant_value (t
, NULL_TREE
, complain
); }
8465 extern void cxx_constant_dtor (tree
, tree
);
8466 extern tree
cxx_constant_init (tree
, tree
= NULL_TREE
);
8467 extern tree
maybe_constant_value (tree
, tree
= NULL_TREE
, bool = false);
8468 extern tree
maybe_constant_init (tree
, tree
= NULL_TREE
, bool = false);
8469 extern tree
fold_non_dependent_expr (tree
,
8470 tsubst_flags_t
= tf_warning_or_error
,
8471 bool = false, tree
= NULL_TREE
);
8472 extern tree
maybe_fold_non_dependent_expr (tree
,
8473 tsubst_flags_t
= tf_warning_or_error
);
8474 extern tree
fold_non_dependent_init (tree
,
8475 tsubst_flags_t
= tf_warning_or_error
,
8476 bool = false, tree
= NULL_TREE
);
8477 extern tree
fold_simple (tree
);
8478 extern bool reduced_constant_expression_p (tree
);
8479 extern bool is_instantiation_of_constexpr (tree
);
8480 extern bool var_in_constexpr_fn (tree
);
8481 extern bool var_in_maybe_constexpr_fn (tree
);
8482 extern bool maybe_constexpr_fn (tree
);
8483 extern void explain_invalid_constexpr_fn (tree
);
8484 extern vec
<tree
> cx_error_context (void);
8485 extern tree
fold_sizeof_expr (tree
);
8486 extern void clear_cv_and_fold_caches (void);
8487 extern tree
unshare_constructor (tree CXX_MEM_STAT_INFO
);
8488 extern bool decl_implicit_constexpr_p (tree
);
8489 struct constexpr_ctx
;
8490 extern tree
find_failing_clause (constexpr_ctx
*ctx
, tree
);
8491 extern bool replace_decl (tree
*, tree
, tree
);
8493 /* An RAII sentinel used to restrict constexpr evaluation so that it
8494 doesn't do anything that causes extra DECL_UID generation. */
8496 struct uid_sensitive_constexpr_evaluation_sentinel
8498 temp_override
<bool> ovr
;
8499 uid_sensitive_constexpr_evaluation_sentinel ();
8502 /* Used to determine whether uid_sensitive_constexpr_evaluation_p was
8503 called and returned true, indicating that we've restricted constexpr
8504 evaluation in order to avoid UID generation. We use this to control
8505 updates to the fold_cache and cv_cache. */
8507 struct uid_sensitive_constexpr_evaluation_checker
8509 const unsigned saved_counter
;
8510 uid_sensitive_constexpr_evaluation_checker ();
8511 bool evaluation_restricted_p () const;
8514 void cp_tree_c_finish_parsing ();
8516 /* In cp-ubsan.cc */
8517 extern void cp_ubsan_maybe_instrument_member_call (tree
);
8518 extern void cp_ubsan_instrument_member_accesses (tree
*);
8519 extern tree
cp_ubsan_maybe_instrument_downcast (location_t
, tree
, tree
, tree
);
8520 extern tree
cp_ubsan_maybe_instrument_cast_to_vbase (location_t
, tree
, tree
);
8521 extern void cp_ubsan_maybe_initialize_vtbl_ptrs (tree
);
8523 /* In coroutines.cc */
8524 extern tree
finish_co_return_stmt (location_t
, tree
);
8525 extern tree
finish_co_await_expr (location_t
, tree
);
8526 extern tree
finish_co_yield_expr (location_t
, tree
);
8527 extern tree
coro_validate_builtin_call (tree
,
8528 tsubst_flags_t
= tf_warning_or_error
);
8529 extern bool morph_fn_to_coro (tree
, tree
*, tree
*);
8530 extern tree
coro_get_actor_function (tree
);
8531 extern tree
coro_get_destroy_function (tree
);
8532 extern tree
coro_get_ramp_function (tree
);
8534 /* Inline bodies. */
8537 ovl_first (tree node
)
8539 while (TREE_CODE (node
) == OVERLOAD
)
8540 node
= OVL_FUNCTION (node
);
8545 type_unknown_p (const_tree expr
)
8547 return TREE_TYPE (expr
) == unknown_type_node
;
8551 named_decl_hash::hash (const value_type decl
)
8553 tree name
= (TREE_CODE (decl
) == BINDING_VECTOR
8554 ? BINDING_VECTOR_NAME (decl
) : OVL_NAME (decl
));
8555 return name
? IDENTIFIER_HASH_VALUE (name
) : 0;
8559 named_decl_hash::equal (const value_type existing
, compare_type candidate
)
8561 tree name
= (TREE_CODE (existing
) == BINDING_VECTOR
8562 ? BINDING_VECTOR_NAME (existing
) : OVL_NAME (existing
));
8563 return candidate
== name
;
8567 null_node_p (const_tree expr
)
8569 STRIP_ANY_LOCATION_WRAPPER (expr
);
8570 return expr
== null_node
;
8573 /* True iff T is a variable template declaration. */
8575 variable_template_p (tree t
)
8577 if (TREE_CODE (t
) != TEMPLATE_DECL
)
8579 if (!PRIMARY_TEMPLATE_P (t
))
8581 if (tree r
= DECL_TEMPLATE_RESULT (t
))
8586 /* True iff T is a standard concept definition. This will return
8587 true for both the template and underlying declaration. */
8590 standard_concept_p (tree t
)
8592 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8593 t
= DECL_TEMPLATE_RESULT (t
);
8594 return TREE_CODE (t
) == CONCEPT_DECL
;
8597 /* True iff T is a variable concept definition. This will return
8598 true for both the template and the underlying declaration. */
8601 variable_concept_p (tree t
)
8603 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8604 t
= DECL_TEMPLATE_RESULT (t
);
8605 return VAR_P (t
) && DECL_DECLARED_CONCEPT_P (t
);
8608 /* True iff T is a function concept definition or an overload set
8609 containing multiple function concepts. This will return true for
8610 both the template and the underlying declaration. */
8613 function_concept_p (tree t
)
8615 if (TREE_CODE (t
) == OVERLOAD
)
8617 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8618 t
= DECL_TEMPLATE_RESULT (t
);
8619 return TREE_CODE (t
) == FUNCTION_DECL
&& DECL_DECLARED_CONCEPT_P (t
);
8622 /* True iff T is a standard, variable, or function concept. */
8625 concept_definition_p (tree t
)
8627 if (t
== error_mark_node
)
8630 /* Adjust for function concept overloads. */
8631 if (TREE_CODE (t
) == OVERLOAD
)
8634 /* See through templates. */
8635 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8636 t
= DECL_TEMPLATE_RESULT (t
);
8638 /* The obvious and easy case. */
8639 if (TREE_CODE (t
) == CONCEPT_DECL
)
8642 /* Definitely not a concept. */
8643 if (!VAR_OR_FUNCTION_DECL_P (t
))
8645 if (!DECL_LANG_SPECIFIC (t
))
8648 return DECL_DECLARED_CONCEPT_P (t
);
8651 /* Same as above, but for const trees. */
8654 concept_definition_p (const_tree t
)
8656 return concept_definition_p (const_cast<tree
> (t
));
8659 /* True if t is an expression that checks a concept. */
8662 concept_check_p (const_tree t
)
8664 if (TREE_CODE (t
) == CALL_EXPR
)
8665 t
= CALL_EXPR_FN (t
);
8666 if (t
&& TREE_CODE (t
) == TEMPLATE_ID_EXPR
)
8667 return concept_definition_p (TREE_OPERAND (t
, 0));
8671 /* Helpers for IMPLICIT_RVALUE_P to look through automatic dereference. */
8674 implicit_rvalue_p (const_tree t
)
8676 if (REFERENCE_REF_P (t
))
8677 t
= TREE_OPERAND (t
, 0);
8678 return ((TREE_CODE (t
) == NON_LVALUE_EXPR
8679 || TREE_CODE (t
) == STATIC_CAST_EXPR
)
8680 && IMPLICIT_RVALUE_P (t
));
8683 set_implicit_rvalue_p (tree ot
)
8686 if (REFERENCE_REF_P (t
))
8687 t
= TREE_OPERAND (t
, 0);
8688 IMPLICIT_RVALUE_P (t
) = 1;
8692 /* True if t is a "constrained auto" type-specifier. */
8695 is_constrained_auto (const_tree t
)
8697 return is_auto (t
) && PLACEHOLDER_TYPE_CONSTRAINTS_INFO (t
);
8700 /* True if CODE, a tree code, denotes a tree whose operand is not evaluated
8701 as per [expr.context], i.e., an operand to sizeof, typeof, decltype, or
8705 unevaluated_p (tree_code code
)
8707 return (code
== DECLTYPE_TYPE
8708 || code
== ALIGNOF_EXPR
8709 || code
== SIZEOF_EXPR
8710 || code
== NOEXCEPT_EXPR
8711 || code
== REQUIRES_EXPR
);
8714 /* RAII class to push/pop the access scope for T. */
8716 struct push_access_scope_guard
8719 push_access_scope_guard (tree t
)
8722 if (VAR_OR_FUNCTION_DECL_P (decl
)
8723 || TREE_CODE (decl
) == TYPE_DECL
)
8724 push_access_scope (decl
);
8728 ~push_access_scope_guard ()
8731 pop_access_scope (decl
);
8735 /* True if TYPE is an extended floating-point type. */
8738 extended_float_type_p (tree type
)
8740 type
= TYPE_MAIN_VARIANT (type
);
8741 for (int i
= 0; i
< NUM_FLOATN_NX_TYPES
; ++i
)
8742 if (type
== FLOATN_TYPE_NODE (i
))
8748 namespace selftest
{
8749 extern void run_cp_tests (void);
8751 /* Declarations for specific families of tests within cp,
8752 by source file, in alphabetical order. */
8753 extern void cp_pt_cc_tests ();
8754 extern void cp_tree_cc_tests (void);
8755 } // namespace selftest
8756 #endif /* #if CHECKING_P */
8760 #endif /* ! GCC_CP_TREE_H */