1 /* Definitions for -*- C++ -*- parsing and type checking.
2 Copyright (C) 1987-2020 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"
28 /* In order for the format checking to accept the C++ front end
29 diagnostic framework extensions, you must include this file before
30 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
33 #define GCC_DIAG_STYLE __gcc_cxxdiag__
34 #if defined(GCC_DIAGNOSTIC_CORE_H) || defined (GCC_C_COMMON_H)
36 In order for the format checking to accept the C++ front end diagnostic \
37 framework extensions, you must include this file before diagnostic-core.h and \
38 c-common.h, not after.
40 #include "c-family/c-common.h"
41 #include "diagnostic.h"
43 /* A tree node, together with a location, so that we can track locations
44 (and ranges) during parsing.
46 The location is redundant for node kinds that have locations,
47 but not all node kinds do (e.g. constants, and references to
48 params, locals, etc), so we stash a copy here. */
50 extern location_t
cp_expr_location (const_tree
);
56 m_value (NULL
), m_loc (UNKNOWN_LOCATION
) {}
58 cp_expr (tree value
) :
59 m_value (value
), m_loc (cp_expr_location (m_value
)) {}
61 cp_expr (tree value
, location_t loc
):
62 m_value (value
), m_loc (loc
)
64 protected_set_expr_location (value
, loc
);
67 /* Implicit conversions to tree. */
68 operator tree () const { return m_value
; }
69 tree
& operator* () { return m_value
; }
70 tree
operator* () const { return m_value
; }
71 tree
& operator-> () { return m_value
; }
72 tree
operator-> () const { return m_value
; }
74 tree
get_value () const { return m_value
; }
75 location_t
get_location () const { return m_loc
; }
76 location_t
get_start () const
78 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
79 return src_range
.m_start
;
81 location_t
get_finish () const
83 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
84 return src_range
.m_finish
;
87 void set_location (location_t loc
)
89 protected_set_expr_location (m_value
, loc
);
93 void set_range (location_t start
, location_t finish
)
95 set_location (make_location (m_loc
, start
, finish
));
98 cp_expr
& maybe_add_location_wrapper ()
100 m_value
= maybe_wrap_with_location (m_value
, m_loc
);
110 operator == (const cp_expr
&lhs
, tree rhs
)
112 return lhs
.get_value () == rhs
;
119 CPTI_VTABLE_ENTRY_TYPE
,
121 CPTI_VTABLE_INDEX_TYPE
,
134 CPTI_CONST_TYPE_INFO_TYPE
,
135 CPTI_TYPE_INFO_PTR_TYPE
,
140 CPTI_CTOR_IDENTIFIER
,
141 CPTI_COMPLETE_CTOR_IDENTIFIER
,
142 CPTI_BASE_CTOR_IDENTIFIER
,
143 CPTI_DTOR_IDENTIFIER
,
144 CPTI_COMPLETE_DTOR_IDENTIFIER
,
145 CPTI_BASE_DTOR_IDENTIFIER
,
146 CPTI_DELETING_DTOR_IDENTIFIER
,
147 CPTI_CONV_OP_IDENTIFIER
,
148 CPTI_DELTA_IDENTIFIER
,
149 CPTI_IN_CHARGE_IDENTIFIER
,
150 CPTI_VTT_PARM_IDENTIFIER
,
151 CPTI_AS_BASE_IDENTIFIER
,
152 CPTI_THIS_IDENTIFIER
,
154 CPTI_VPTR_IDENTIFIER
,
155 CPTI_GLOBAL_IDENTIFIER
,
156 CPTI_ANON_IDENTIFIER
,
157 CPTI_AUTO_IDENTIFIER
,
158 CPTI_DECLTYPE_AUTO_IDENTIFIER
,
159 CPTI_INIT_LIST_IDENTIFIER
,
160 CPTI_FOR_RANGE__IDENTIFIER
,
161 CPTI_FOR_BEGIN__IDENTIFIER
,
162 CPTI_FOR_END__IDENTIFIER
,
163 CPTI_FOR_RANGE_IDENTIFIER
,
164 CPTI_FOR_BEGIN_IDENTIFIER
,
165 CPTI_FOR_END_IDENTIFIER
,
166 CPTI_ABI_TAG_IDENTIFIER
,
167 CPTI_ALIGNED_IDENTIFIER
,
168 CPTI_BEGIN_IDENTIFIER
,
172 CPTI_TUPLE_ELEMENT_IDENTIFIER
,
173 CPTI_TUPLE_SIZE_IDENTIFIER
,
174 CPTI_TYPE_IDENTIFIER
,
175 CPTI_VALUE_IDENTIFIER
,
177 CPTI_CLOSURE_IDENTIFIER
,
178 CPTI_HEAP_UNINIT_IDENTIFIER
,
179 CPTI_HEAP_IDENTIFIER
,
180 CPTI_HEAP_DELETED_IDENTIFIER
,
183 CPTI_LANG_NAME_CPLUSPLUS
,
185 CPTI_EMPTY_EXCEPT_SPEC
,
186 CPTI_NOEXCEPT_TRUE_SPEC
,
187 CPTI_NOEXCEPT_FALSE_SPEC
,
188 CPTI_NOEXCEPT_DEFERRED_SPEC
,
191 CPTI_CALL_UNEXPECTED_FN
,
192 CPTI_GET_EXCEPTION_PTR_FN
,
195 CPTI_ALLOCATE_EXCEPTION_FN
,
196 CPTI_FREE_EXCEPTION_FN
,
199 CPTI_ATEXIT_FN_PTR_TYPE
,
211 CPTI_SOURCE_LOCATION_IMPL
,
213 CPTI_FALLBACK_DFLOAT32_TYPE
,
214 CPTI_FALLBACK_DFLOAT64_TYPE
,
215 CPTI_FALLBACK_DFLOAT128_TYPE
,
220 extern GTY(()) tree cp_global_trees
[CPTI_MAX
];
222 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
223 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
224 /* The type used to represent an offset by which to adjust the `this'
225 pointer in pointer-to-member types. */
226 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
227 /* The type used to represent an index into the vtable. */
228 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
230 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
231 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
232 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
233 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
234 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
235 #define std_node cp_global_trees[CPTI_STD]
236 #define abi_node cp_global_trees[CPTI_ABI]
237 #define global_namespace cp_global_trees[CPTI_GLOBAL]
238 #define global_type_node cp_global_trees[CPTI_GLOBAL_TYPE]
239 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
240 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
241 #define conv_op_marker cp_global_trees[CPTI_CONV_OP_MARKER]
242 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
243 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
244 #define nullptr_node cp_global_trees[CPTI_NULLPTR]
245 #define nullptr_type_node cp_global_trees[CPTI_NULLPTR_TYPE]
246 /* std::align_val_t */
247 #define align_type_node cp_global_trees[CPTI_ALIGN_TYPE]
249 /* We cache these tree nodes so as to call get_identifier less frequently.
250 For identifiers for functions, including special member functions such
251 as ctors and assignment operators, the nodes can be used (among other
252 things) to iterate over their overloads defined by/for a type. For
255 tree ovlid = assign_op_identifier;
256 tree overloads = get_class_binding (type, ovlid);
257 for (ovl_iterator it (overloads); it; ++it) { ... }
259 iterates over the set of implicitly and explicitly defined overloads
260 of the assignment operator for type (including the copy and move
261 assignment operators, whether deleted or not). */
263 /* The name of a constructor that takes an in-charge parameter to
264 decide whether or not to construct virtual base classes. */
265 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
266 /* The name of a constructor that constructs virtual base classes. */
267 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
268 /* The name of a constructor that does not construct virtual base classes. */
269 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
270 /* The name of a destructor that takes an in-charge parameter to
271 decide whether or not to destroy virtual base classes and whether
272 or not to delete the object. */
273 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
274 /* The name of a destructor that destroys virtual base classes. */
275 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
276 /* The name of a destructor that does not destroy virtual base
278 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
279 /* The name of a destructor that destroys virtual base classes, and
280 then deletes the entire object. */
281 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
283 /* The name used for conversion operators -- but note that actual
284 conversion functions use special identifiers outside the identifier
286 #define conv_op_identifier cp_global_trees[CPTI_CONV_OP_IDENTIFIER]
288 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
289 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
290 /* The name of the parameter that contains a pointer to the VTT to use
291 for this subobject constructor or destructor. */
292 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
293 #define as_base_identifier cp_global_trees[CPTI_AS_BASE_IDENTIFIER]
294 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
295 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
296 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
297 /* The name of the ::, std & anon namespaces. */
298 #define global_identifier cp_global_trees[CPTI_GLOBAL_IDENTIFIER]
299 #define anon_identifier cp_global_trees[CPTI_ANON_IDENTIFIER]
300 /* auto and declspec(auto) identifiers. */
301 #define auto_identifier cp_global_trees[CPTI_AUTO_IDENTIFIER]
302 #define decltype_auto_identifier cp_global_trees[CPTI_DECLTYPE_AUTO_IDENTIFIER]
303 #define init_list_identifier cp_global_trees[CPTI_INIT_LIST_IDENTIFIER]
304 #define for_range__identifier cp_global_trees[CPTI_FOR_RANGE__IDENTIFIER]
305 #define for_begin__identifier cp_global_trees[CPTI_FOR_BEGIN__IDENTIFIER]
306 #define for_end__identifier cp_global_trees[CPTI_FOR_END__IDENTIFIER]
307 #define for_range_identifier cp_global_trees[CPTI_FOR_RANGE_IDENTIFIER]
308 #define for_begin_identifier cp_global_trees[CPTI_FOR_BEGIN_IDENTIFIER]
309 #define for_end_identifier cp_global_trees[CPTI_FOR_END_IDENTIFIER]
310 #define abi_tag_identifier cp_global_trees[CPTI_ABI_TAG_IDENTIFIER]
311 #define aligned_identifier cp_global_trees[CPTI_ALIGNED_IDENTIFIER]
312 #define begin_identifier cp_global_trees[CPTI_BEGIN_IDENTIFIER]
313 #define end_identifier cp_global_trees[CPTI_END_IDENTIFIER]
314 #define get__identifier cp_global_trees[CPTI_GET_IDENTIFIER]
315 #define gnu_identifier cp_global_trees[CPTI_GNU_IDENTIFIER]
316 #define tuple_element_identifier cp_global_trees[CPTI_TUPLE_ELEMENT_IDENTIFIER]
317 #define tuple_size_identifier cp_global_trees[CPTI_TUPLE_SIZE_IDENTIFIER]
318 #define type_identifier cp_global_trees[CPTI_TYPE_IDENTIFIER]
319 #define value_identifier cp_global_trees[CPTI_VALUE_IDENTIFIER]
320 #define fun_identifier cp_global_trees[CPTI_FUN_IDENTIFIER]
321 #define closure_identifier cp_global_trees[CPTI_CLOSURE_IDENTIFIER]
322 #define heap_uninit_identifier cp_global_trees[CPTI_HEAP_UNINIT_IDENTIFIER]
323 #define heap_identifier cp_global_trees[CPTI_HEAP_IDENTIFIER]
324 #define heap_deleted_identifier cp_global_trees[CPTI_HEAP_DELETED_IDENTIFIER]
325 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
326 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
328 /* Exception specifiers used for throw(), noexcept(true),
329 noexcept(false) and deferred noexcept. We rely on these being
331 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
332 #define noexcept_true_spec cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
333 #define noexcept_false_spec cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
334 #define noexcept_deferred_spec cp_global_trees[CPTI_NOEXCEPT_DEFERRED_SPEC]
336 /* Exception handling function declarations. */
337 #define terminate_fn cp_global_trees[CPTI_TERMINATE_FN]
338 #define call_unexpected_fn cp_global_trees[CPTI_CALL_UNEXPECTED_FN]
339 #define get_exception_ptr_fn cp_global_trees[CPTI_GET_EXCEPTION_PTR_FN]
340 #define begin_catch_fn cp_global_trees[CPTI_BEGIN_CATCH_FN]
341 #define end_catch_fn cp_global_trees[CPTI_END_CATCH_FN]
342 #define allocate_exception_fn cp_global_trees[CPTI_ALLOCATE_EXCEPTION_FN]
343 #define free_exception_fn cp_global_trees[CPTI_FREE_EXCEPTION_FN]
344 #define throw_fn cp_global_trees[CPTI_THROW_FN]
345 #define rethrow_fn cp_global_trees[CPTI_RETHROW_FN]
347 /* The type of the function-pointer argument to "__cxa_atexit" (or
348 "std::atexit", if "__cxa_atexit" is not being used). */
349 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
351 /* A pointer to `std::atexit'. */
352 #define atexit_node cp_global_trees[CPTI_ATEXIT]
354 /* A pointer to `__dso_handle'. */
355 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
357 /* The declaration of the dynamic_cast runtime. */
358 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
360 /* The type of a destructor. */
361 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
363 /* The type of the vtt parameter passed to subobject constructors and
365 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
367 /* A node which matches any template argument. */
368 #define any_targ_node cp_global_trees[CPTI_ANY_TARG]
370 /* std::source_location::__impl class. */
371 #define source_location_impl cp_global_trees[CPTI_SOURCE_LOCATION_IMPL]
373 /* Node to indicate default access. This must be distinct from the
374 access nodes in tree.h. */
376 #define access_default_node null_node
378 /* Variant of dfloat{32,64,128}_type_node only used for fundamental
379 rtti purposes if DFP is disabled. */
380 #define fallback_dfloat32_type cp_global_trees[CPTI_FALLBACK_DFLOAT32_TYPE]
381 #define fallback_dfloat64_type cp_global_trees[CPTI_FALLBACK_DFLOAT64_TYPE]
382 #define fallback_dfloat128_type cp_global_trees[CPTI_FALLBACK_DFLOAT128_TYPE]
385 #include "name-lookup.h"
387 /* Usage of TREE_LANG_FLAG_?:
388 0: IDENTIFIER_KIND_BIT_0 (in IDENTIFIER_NODE)
389 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
390 COND_EXPR_IS_VEC_DELETE (in COND_EXPR).
391 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
392 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
393 CLEANUP_P (in TRY_BLOCK)
394 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
395 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF, SCOPE_REF)
396 PAREN_STRING_LITERAL_P (in STRING_CST)
397 CP_DECL_THREAD_LOCAL_P (in VAR_DECL)
398 KOENIG_LOOKUP_P (in CALL_EXPR)
399 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
400 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
401 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
402 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
403 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
404 OMP_FOR_GIMPLIFYING_P (in OMP_FOR, OMP_SIMD, OMP_DISTRIBUTE,
406 BASELINK_QUALIFIED_P (in BASELINK)
407 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
408 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
409 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
410 ABI_TAG_IMPLICIT (in the TREE_LIST for the argument of abi_tag)
411 LAMBDA_CAPTURE_EXPLICIT_P (in a TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST)
412 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
413 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
414 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
415 VEC_INIT_EXPR_IS_CONSTEXPR (in VEC_INIT_EXPR)
416 DECL_OVERRIDE_P (in FUNCTION_DECL)
417 IMPLICIT_CONV_EXPR_DIRECT_INIT (in IMPLICIT_CONV_EXPR)
418 TRANSACTION_EXPR_IS_STMT (in TRANSACTION_EXPR)
419 CONVERT_EXPR_VBASE_PATH (in CONVERT_EXPR)
420 PACK_EXPANSION_LOCAL_P (in *_PACK_EXPANSION)
421 TINFO_HAS_ACCESS_ERRORS (in TEMPLATE_INFO)
422 SIZEOF_EXPR_TYPE_P (in SIZEOF_EXPR)
423 COMPOUND_REQ_NOEXCEPT_P (in COMPOUND_REQ)
424 WILDCARD_PACK_P (in WILDCARD_DECL)
425 BLOCK_OUTER_CURLY_BRACE_P (in BLOCK)
426 FOLD_EXPR_MODOP_P (*_FOLD_EXPR)
427 IF_STMT_CONSTEXPR_P (IF_STMT)
428 TEMPLATE_TYPE_PARM_FOR_CLASS (TEMPLATE_TYPE_PARM)
429 DECL_NAMESPACE_INLINE_P (in NAMESPACE_DECL)
430 SWITCH_STMT_ALL_CASES_P (in SWITCH_STMT)
431 REINTERPRET_CAST_P (in NOP_EXPR)
432 ALIGNOF_EXPR_STD_P (in ALIGNOF_EXPR)
433 OVL_DEDUP_P (in OVERLOAD)
434 1: IDENTIFIER_KIND_BIT_1 (in IDENTIFIER_NODE)
435 TI_PENDING_TEMPLATE_FLAG.
436 TEMPLATE_PARMS_FOR_INLINE.
437 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
438 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
439 ICS_ELLIPSIS_FLAG (in _CONV)
440 DECL_INITIALIZED_P (in VAR_DECL)
441 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
442 STMT_IS_FULL_EXPR_P (in _STMT)
443 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
444 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
445 DECL_FINAL_P (in FUNCTION_DECL)
446 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
447 CONSTRUCTOR_IS_DEPENDENT (in CONSTRUCTOR)
448 TINFO_USED_TEMPLATE_ID (in TEMPLATE_INFO)
449 PACK_EXPANSION_SIZEOF_P (in *_PACK_EXPANSION)
450 OVL_USING_P (in OVERLOAD)
451 IMPLICIT_CONV_EXPR_NONTYPE_ARG (in IMPLICIT_CONV_EXPR)
452 2: IDENTIFIER_KIND_BIT_2 (in IDENTIFIER_NODE)
453 ICS_THIS_FLAG (in _CONV)
454 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
455 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
456 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
457 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
458 FNDECL_USED_AUTO (in FUNCTION_DECL)
459 DECLTYPE_FOR_LAMBDA_PROXY (in DECLTYPE_TYPE)
460 REF_PARENTHESIZED_P (in COMPONENT_REF, INDIRECT_REF, SCOPE_REF, VIEW_CONVERT_EXPR)
461 AGGR_INIT_ZERO_FIRST (in AGGR_INIT_EXPR)
462 CONSTRUCTOR_MUTABLE_POISON (in CONSTRUCTOR)
463 OVL_HIDDEN_P (in OVERLOAD)
464 SWITCH_STMT_NO_BREAK_P (in SWITCH_STMT)
465 LAMBDA_EXPR_CAPTURE_OPTIMIZED (in LAMBDA_EXPR)
466 IMPLICIT_CONV_EXPR_BRACED_INIT (in IMPLICIT_CONV_EXPR)
467 3: IMPLICIT_RVALUE_P (in NON_LVALUE_EXPR or STATIC_CAST_EXPR)
468 ICS_BAD_FLAG (in _CONV)
469 FN_TRY_BLOCK_P (in TRY_BLOCK)
470 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
471 CALL_EXPR_ORDERED_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
472 DECLTYPE_FOR_REF_CAPTURE (in DECLTYPE_TYPE)
473 CONSTRUCTOR_C99_COMPOUND_LITERAL (in CONSTRUCTOR)
474 OVL_NESTED_P (in OVERLOAD)
475 LAMBDA_EXPR_INSTANTIATED (in LAMBDA_EXPR)
476 Reserved for DECL_MODULE_EXPORT (in DECL_)
477 4: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
478 TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
479 CALL_EXPR, or FIELD_DECL).
480 DECL_TINFO_P (in VAR_DECL)
481 FUNCTION_REF_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
482 OVL_LOOKUP_P (in OVERLOAD)
483 LOOKUP_FOUND_P (in RECORD_TYPE, UNION_TYPE, NAMESPACE_DECL)
484 5: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
485 FUNCTION_RVALUE_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
486 CALL_EXPR_REVERSE_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
487 CONSTRUCTOR_PLACEHOLDER_BOUNDARY (in CONSTRUCTOR)
488 6: TYPE_MARKED_P (in _TYPE)
489 DECL_NONTRIVIALLY_INITIALIZED_P (in VAR_DECL)
490 RANGE_FOR_IVDEP (in RANGE_FOR_STMT)
491 CALL_EXPR_OPERATOR_SYNTAX (in CALL_EXPR, AGGR_INIT_EXPR)
492 CONSTRUCTOR_IS_DESIGNATED_INIT (in CONSTRUCTOR)
494 Usage of TYPE_LANG_FLAG_?:
496 1: TYPE_HAS_USER_CONSTRUCTOR.
497 2: TYPE_HAS_LATE_RETURN_TYPE (in FUNCTION_TYPE, METHOD_TYPE)
498 TYPE_PTRMEMFUNC_FLAG (in RECORD_TYPE)
499 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
500 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
501 ENUM_FIXED_UNDERLYING_TYPE_P (in ENUMERAL_TYPE)
502 AUTO_IS_DECLTYPE (in TEMPLATE_TYPE_PARM)
503 6: TYPE_DEPENDENT_P_VALID
505 Usage of DECL_LANG_FLAG_?:
506 0: DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
507 DECL_LOCAL_DECL_P (in FUNCTION_DECL, VAR_DECL)
508 DECL_MUTABLE_P (in FIELD_DECL)
509 DECL_DEPENDENT_P (in USING_DECL)
510 LABEL_DECL_BREAK (in LABEL_DECL)
511 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
512 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
513 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
514 USING_DECL_TYPENAME_P (in USING_DECL)
515 DECL_VLA_CAPTURE_P (in FIELD_DECL)
516 DECL_ARRAY_PARAMETER_P (in PARM_DECL)
517 LABEL_DECL_CONTINUE (in LABEL_DECL)
518 2: DECL_THIS_EXTERN (in VAR_DECL, FUNCTION_DECL or PARM_DECL)
519 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
520 DECL_CONSTRAINT_VAR_P (in a PARM_DECL)
521 TEMPLATE_DECL_COMPLEX_ALIAS_P (in TEMPLATE_DECL)
522 DECL_INSTANTIATING_NSDMI_P (in a FIELD_DECL)
523 LABEL_DECL_CDTOR (in LABEL_DECL)
525 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
526 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
527 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
528 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
529 5: DECL_INTERFACE_KNOWN.
530 6: DECL_THIS_STATIC (in VAR_DECL, FUNCTION_DECL or PARM_DECL)
531 DECL_FIELD_IS_BASE (in FIELD_DECL)
532 TYPE_DECL_ALIAS_P (in TYPE_DECL)
533 7: DECL_THUNK_P (in a member FUNCTION_DECL)
534 DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
535 DECL_DECLARED_CONSTINIT_P (in VAR_DECL)
536 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
538 Usage of language-independent fields in a language-dependent manner:
541 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
542 forth as a substitute for the mark bits provided in `lang_type'.
543 At present, only the six low-order bits are used.
546 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS.
547 For a POINTER_TYPE (to a METHOD_TYPE), this is TYPE_PTRMEMFUNC_TYPE.
548 For an ENUMERAL_TYPE, BOUND_TEMPLATE_TEMPLATE_PARM_TYPE,
549 RECORD_TYPE or UNION_TYPE this is TYPE_TEMPLATE_INFO,
552 For a binfo, this is a TREE_LIST. There is an entry for each
553 virtual function declared either in BINFO or its direct and
554 indirect primary bases.
556 The BV_DELTA of each node gives the amount by which to adjust the
557 `this' pointer when calling the function. If the method is an
558 overridden version of a base class method, then it is assumed
559 that, prior to adjustment, the this pointer points to an object
562 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
563 index of the vcall offset for this entry.
565 The BV_FN is the declaration for the virtual function itself.
567 If BV_LOST_PRIMARY is set, it means that this entry is for a lost
568 primary virtual base and can be left null in the vtable.
571 This is an expression with POINTER_TYPE that gives the value
572 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
573 to extract the VAR_DECL for the complete vtable.
576 This field is NULL for a non-virtual function. For a virtual
577 function, it is eventually set to an INTEGER_CST indicating the
578 index in the vtable at which this function can be found. When
579 a virtual function is declared, but before it is known what
580 function is overridden, this field is the error_mark_node.
582 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
583 the virtual function this one overrides, and whose TREE_CHAIN is
584 the old DECL_VINDEX. */
586 /* Language-specific tree checkers. */
588 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
589 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
591 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK(NODE) \
592 TREE_CHECK3(NODE,TYPE_DECL,TEMPLATE_DECL,FUNCTION_DECL)
594 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_P(NODE) \
595 (TREE_CODE (NODE) == TYPE_DECL || TREE_CODE (NODE) == TEMPLATE_DECL \
596 || TREE_CODE (NODE) == FUNCTION_DECL)
598 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
599 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
601 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
602 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
604 #define VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK(NODE) \
605 TREE_CHECK5(NODE,VAR_DECL,FIELD_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
607 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
608 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
610 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
612 /* Returns t iff the node can have a TEMPLATE_INFO field. */
615 template_info_decl_check (const_tree t
, const char* f
, int l
, const char* fn
)
617 switch (TREE_CODE (t
))
625 return const_cast<tree
>(t
);
629 tree_check_failed (t
, f
, l
, fn
,
630 VAR_DECL
, FUNCTION_DECL
, FIELD_DECL
, TYPE_DECL
,
631 CONCEPT_DECL
, TEMPLATE_DECL
, 0);
635 #define TEMPLATE_INFO_DECL_CHECK(NODE) \
636 template_info_decl_check ((NODE), __FILE__, __LINE__, __FUNCTION__)
638 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
639 ({ __typeof (NODE) const __t = (NODE); \
640 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
641 || !__t->decl_common.lang_specific->u.fn.thunk_p) \
642 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
645 #else /* ENABLE_TREE_CHECKING */
647 #define TEMPLATE_INFO_DECL_CHECK(NODE) (NODE)
648 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
650 #endif /* ENABLE_TREE_CHECKING */
652 /* Language-dependent contents of an identifier. */
654 struct GTY(()) lang_identifier
{
655 struct c_common_identifier c_common
;
656 cxx_binding
*bindings
;
659 /* Return a typed pointer version of T if it designates a
660 C++ front-end identifier. */
661 inline lang_identifier
*
662 identifier_p (tree t
)
664 if (TREE_CODE (t
) == IDENTIFIER_NODE
)
665 return (lang_identifier
*) t
;
669 #define LANG_IDENTIFIER_CAST(NODE) \
670 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
672 struct GTY(()) template_parm_index
{
673 struct tree_common common
;
680 struct GTY(()) ptrmem_cst
{
681 struct tree_common common
;
684 typedef struct ptrmem_cst
* ptrmem_cst_t
;
686 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
688 #define BIND_EXPR_TRY_BLOCK(NODE) \
689 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
691 /* Used to mark the block around the member initializers and cleanups. */
692 #define BIND_EXPR_BODY_BLOCK(NODE) \
693 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
694 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
695 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE) \
696 || LAMBDA_FUNCTION_P (NODE))
698 #define STATEMENT_LIST_NO_SCOPE(NODE) \
699 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
700 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
701 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
703 /* Mark the outer curly brace BLOCK. */
704 #define BLOCK_OUTER_CURLY_BRACE_P(NODE) TREE_LANG_FLAG_0 (BLOCK_CHECK (NODE))
706 /* Nonzero if this statement should be considered a full-expression,
707 i.e., if temporaries created during this statement should have
708 their destructors run at the end of this statement. */
709 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
711 /* Marks the result of a statement expression. */
712 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
713 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
715 /* Nonzero if this statement-expression does not have an associated scope. */
716 #define STMT_EXPR_NO_SCOPE(NODE) \
717 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
719 #define COND_EXPR_IS_VEC_DELETE(NODE) \
720 TREE_LANG_FLAG_0 (COND_EXPR_CHECK (NODE))
722 /* Nonzero if this NOP_EXPR is a reinterpret_cast. Such conversions
723 are not constexprs. Other NOP_EXPRs are. */
724 #define REINTERPRET_CAST_P(NODE) \
725 TREE_LANG_FLAG_0 (NOP_EXPR_CHECK (NODE))
727 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
729 #define same_type_p(TYPE1, TYPE2) \
730 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
732 /* Returns nonzero iff NODE is a declaration for the global function
734 #define DECL_MAIN_P(NODE) \
735 (DECL_EXTERN_C_FUNCTION_P (NODE) \
736 && DECL_NAME (NODE) != NULL_TREE \
737 && MAIN_NAME_P (DECL_NAME (NODE)) \
740 /* Lookup walker marking. */
741 #define LOOKUP_SEEN_P(NODE) TREE_VISITED(NODE)
742 #define LOOKUP_FOUND_P(NODE) \
743 TREE_LANG_FLAG_4 (TREE_CHECK3(NODE,RECORD_TYPE,UNION_TYPE,NAMESPACE_DECL))
745 /* These two accessors should only be used by OVL manipulators.
746 Other users should use iterators and convenience functions. */
747 #define OVL_FUNCTION(NODE) \
748 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
749 #define OVL_CHAIN(NODE) \
750 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->common.chain)
752 /* If set, this or a subsequent overload contains decls that need deduping. */
753 #define OVL_DEDUP_P(NODE) TREE_LANG_FLAG_0 (OVERLOAD_CHECK (NODE))
754 /* If set, this was imported in a using declaration. */
755 #define OVL_USING_P(NODE) TREE_LANG_FLAG_1 (OVERLOAD_CHECK (NODE))
756 /* If set, this overload is a hidden decl. */
757 #define OVL_HIDDEN_P(NODE) TREE_LANG_FLAG_2 (OVERLOAD_CHECK (NODE))
758 /* If set, this overload contains a nested overload. */
759 #define OVL_NESTED_P(NODE) TREE_LANG_FLAG_3 (OVERLOAD_CHECK (NODE))
760 /* If set, this overload was constructed during lookup. */
761 #define OVL_LOOKUP_P(NODE) TREE_LANG_FLAG_4 (OVERLOAD_CHECK (NODE))
763 /* The first decl of an overload. */
764 #define OVL_FIRST(NODE) ovl_first (NODE)
765 /* The name of the overload set. */
766 #define OVL_NAME(NODE) DECL_NAME (OVL_FIRST (NODE))
768 /* Whether this is a set of overloaded functions. TEMPLATE_DECLS are
769 always wrapped in an OVERLOAD, so we don't need to check them
771 #define OVL_P(NODE) \
772 (TREE_CODE (NODE) == FUNCTION_DECL || TREE_CODE (NODE) == OVERLOAD)
773 /* Whether this is a single member overload. */
774 #define OVL_SINGLE_P(NODE) \
775 (TREE_CODE (NODE) != OVERLOAD || !OVL_CHAIN (NODE))
777 /* OVL_HIDDEN_P nodes come before other nodes. */
779 struct GTY(()) tree_overload
{
780 struct tree_common common
;
784 /* Iterator for a 1 dimensional overload. Permits iterating over the
785 outer level of a 2-d overload when explicitly enabled. */
789 const bool allow_inner
; /* Only used when checking. */
792 explicit ovl_iterator (tree o
, bool allow
= false)
793 : ovl (o
), allow_inner (allow
)
798 /* Do not duplicate. */
799 ovl_iterator
&operator= (const ovl_iterator
&);
800 ovl_iterator (const ovl_iterator
&);
803 operator bool () const
807 ovl_iterator
&operator++ ()
809 ovl
= TREE_CODE (ovl
) != OVERLOAD
? NULL_TREE
: OVL_CHAIN (ovl
);
812 tree
operator* () const
814 tree fn
= TREE_CODE (ovl
) != OVERLOAD
? ovl
: OVL_FUNCTION (ovl
);
816 /* Check this is not an unexpected 2-dimensional overload. */
817 gcc_checking_assert (allow_inner
|| TREE_CODE (fn
) != OVERLOAD
);
823 /* Whether this overload was introduced by a using decl. */
824 bool using_p () const
826 return (TREE_CODE (ovl
) == USING_DECL
827 || (TREE_CODE (ovl
) == OVERLOAD
&& OVL_USING_P (ovl
)));
829 bool hidden_p () const
831 return TREE_CODE (ovl
) == OVERLOAD
&& OVL_HIDDEN_P (ovl
);
835 tree
remove_node (tree head
)
837 return remove_node (head
, ovl
);
839 tree
reveal_node (tree head
)
841 return reveal_node (head
, ovl
);
845 /* If we have a nested overload, point at the inner overload and
846 return the next link on the outer one. */
851 if (ovl
&& TREE_CODE (ovl
) == OVERLOAD
&& OVL_NESTED_P (ovl
))
854 ovl
= OVL_FUNCTION (ovl
);
858 /* Restore an outer nested overload. */
859 void pop (tree outer
)
861 gcc_checking_assert (!ovl
);
866 /* We make these static functions to avoid the address of the
867 iterator escaping the local context. */
868 static tree
remove_node (tree head
, tree node
);
869 static tree
reveal_node (tree ovl
, tree node
);
872 /* Iterator over a (potentially) 2 dimensional overload, which is
873 produced by name lookup. */
875 class lkp_iterator
: public ovl_iterator
{
876 typedef ovl_iterator parent
;
881 explicit lkp_iterator (tree o
)
882 : parent (o
, true), outer (maybe_push ())
887 lkp_iterator
&operator++ ()
889 bool repush
= !outer
;
891 if (!parent::operator++ () && !repush
)
898 outer
= maybe_push ();
904 /* hash traits for declarations. Hashes potential overload sets via
907 struct named_decl_hash
: ggc_remove
<tree
> {
908 typedef tree value_type
; /* A DECL or OVERLOAD */
909 typedef tree compare_type
; /* An identifier. */
911 inline static hashval_t
hash (const value_type decl
);
912 inline static bool equal (const value_type existing
, compare_type candidate
);
914 static const bool empty_zero_p
= true;
915 static inline void mark_empty (value_type
&p
) {p
= NULL_TREE
;}
916 static inline bool is_empty (value_type p
) {return !p
;}
918 /* Nothing is deletable. Everything is insertable. */
919 static bool is_deleted (value_type
) { return false; }
920 static void mark_deleted (value_type
) { gcc_unreachable (); }
923 /* Simplified unique_ptr clone to release a tree vec on exit. */
928 typedef vec
<tree
, va_gc
> vec_t
;
930 releasing_vec (vec_t
*v
): v(v
) { }
931 releasing_vec (): v(make_tree_vector ()) { }
933 /* Copy ops are deliberately declared but not defined,
934 copies must always be elided. */
935 releasing_vec (const releasing_vec
&);
936 releasing_vec
&operator= (const releasing_vec
&);
938 vec_t
&operator* () const { return *v
; }
939 vec_t
*operator-> () const { return v
; }
940 vec_t
*get() const { return v
; }
941 operator vec_t
*() const { return v
; }
942 vec_t
** operator& () { return &v
; }
944 /* Breaks pointer/value consistency for convenience. */
945 tree
& operator[] (unsigned i
) const { return (*v
)[i
]; }
947 ~releasing_vec() { release_tree_vector (v
); }
951 /* Forwarding functions for vec_safe_* that might reallocate. */
952 inline tree
* vec_safe_push (releasing_vec
& r
, const tree
&t CXX_MEM_STAT_INFO
)
953 { return vec_safe_push (*&r
, t PASS_MEM_STAT
); }
954 inline bool vec_safe_reserve (releasing_vec
& r
, unsigned n
, bool e
= false CXX_MEM_STAT_INFO
)
955 { return vec_safe_reserve (*&r
, n
, e PASS_MEM_STAT
); }
956 inline unsigned vec_safe_length (releasing_vec
&r
)
957 { return r
->length(); }
958 inline void vec_safe_splice (releasing_vec
&r
, vec
<tree
, va_gc
> *p CXX_MEM_STAT_INFO
)
959 { vec_safe_splice (*&r
, p PASS_MEM_STAT
); }
960 void release_tree_vector (releasing_vec
&); // cause link error
962 struct GTY(()) tree_template_decl
{
963 struct tree_decl_common common
;
968 /* Returns true iff NODE is a BASELINK. */
969 #define BASELINK_P(NODE) \
970 (TREE_CODE (NODE) == BASELINK)
971 /* The BINFO indicating the base in which lookup found the
972 BASELINK_FUNCTIONS. */
973 #define BASELINK_BINFO(NODE) \
974 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
975 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
976 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
977 #define BASELINK_FUNCTIONS(NODE) \
978 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
979 /* If T is a BASELINK, grab the functions, otherwise just T, which is
980 expected to already be a (list of) functions. */
981 #define MAYBE_BASELINK_FUNCTIONS(T) \
982 (BASELINK_P (T) ? BASELINK_FUNCTIONS (T) : T)
983 /* The BINFO in which the search for the functions indicated by this baselink
984 began. This base is used to determine the accessibility of functions
985 selected by overload resolution. */
986 #define BASELINK_ACCESS_BINFO(NODE) \
987 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
988 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
989 to which the conversion should occur. This value is important if
990 the BASELINK_FUNCTIONS include a template conversion operator --
991 the BASELINK_OPTYPE can be used to determine what type the user
993 #define BASELINK_OPTYPE(NODE) \
994 (TREE_CHAIN (BASELINK_CHECK (NODE)))
995 /* Nonzero if this baselink was from a qualified lookup. */
996 #define BASELINK_QUALIFIED_P(NODE) \
997 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
999 struct GTY(()) tree_baselink
{
1000 struct tree_common common
;
1006 /* The different kinds of ids that we encounter. */
1010 /* Not an id at all. */
1012 /* An unqualified-id that is not a template-id. */
1013 CP_ID_KIND_UNQUALIFIED
,
1014 /* An unqualified-id that is a dependent name. */
1015 CP_ID_KIND_UNQUALIFIED_DEPENDENT
,
1016 /* An unqualified template-id. */
1017 CP_ID_KIND_TEMPLATE_ID
,
1018 /* A qualified-id. */
1019 CP_ID_KIND_QUALIFIED
1023 /* The various kinds of C++0x warnings we encounter. */
1027 /* extended initializer lists */
1028 CPP0X_INITIALIZER_LISTS
,
1029 /* explicit conversion operators */
1030 CPP0X_EXPLICIT_CONVERSION
,
1031 /* variadic templates */
1032 CPP0X_VARIADIC_TEMPLATES
,
1033 /* lambda expressions */
1039 /* defaulted and deleted functions */
1040 CPP0X_DEFAULTED_DELETED
,
1041 /* inline namespaces */
1042 CPP0X_INLINE_NAMESPACES
,
1043 /* override controls, override/final */
1044 CPP0X_OVERRIDE_CONTROLS
,
1045 /* non-static data member initializers */
1047 /* user defined literals */
1048 CPP0X_USER_DEFINED_LITERALS
,
1049 /* delegating constructors */
1050 CPP0X_DELEGATING_CTORS
,
1051 /* inheriting constructors */
1052 CPP0X_INHERITING_CTORS
,
1053 /* C++11 attributes */
1055 /* ref-qualified member functions */
1059 /* The various kinds of operation used by composite_pointer_type. */
1061 enum composite_pointer_operation
1067 /* conditional expression */
1068 CPO_CONDITIONAL_EXPR
1071 /* Possible cases of expression list used by build_x_compound_expr_from_list. */
1072 enum expr_list_kind
{
1073 ELK_INIT
, /* initializer */
1074 ELK_MEM_INIT
, /* member initializer */
1075 ELK_FUNC_CAST
/* functional cast */
1078 /* Possible cases of implicit bad rhs conversions. */
1079 enum impl_conv_rhs
{
1080 ICR_DEFAULT_ARGUMENT
, /* default argument */
1081 ICR_CONVERTING
, /* converting */
1082 ICR_INIT
, /* initialization */
1083 ICR_ARGPASS
, /* argument passing */
1084 ICR_RETURN
, /* return */
1085 ICR_ASSIGN
/* assignment */
1088 /* Possible cases of implicit or explicit bad conversions to void. */
1089 enum impl_conv_void
{
1090 ICV_CAST
, /* (explicit) conversion to void */
1091 ICV_SECOND_OF_COND
, /* second operand of conditional expression */
1092 ICV_THIRD_OF_COND
, /* third operand of conditional expression */
1093 ICV_RIGHT_OF_COMMA
, /* right operand of comma operator */
1094 ICV_LEFT_OF_COMMA
, /* left operand of comma operator */
1095 ICV_STATEMENT
, /* statement */
1096 ICV_THIRD_IN_FOR
/* for increment expression */
1099 /* Possible invalid uses of an abstract class that might not have a
1100 specific associated declaration. */
1101 enum GTY(()) abstract_class_use
{
1102 ACU_UNKNOWN
, /* unknown or decl provided */
1103 ACU_CAST
, /* cast to abstract class */
1104 ACU_NEW
, /* new-expression of abstract class */
1105 ACU_THROW
, /* throw-expression of abstract class */
1106 ACU_CATCH
, /* catch-parameter of abstract class */
1107 ACU_ARRAY
, /* array of abstract class */
1108 ACU_RETURN
, /* return type of abstract class */
1109 ACU_PARM
/* parameter type of abstract class */
1112 /* Macros for access to language-specific slots in an identifier. */
1114 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
1115 identifier. Its PREVIOUS is the next outermost binding. Each
1116 VALUE field is a DECL for the associated declaration. Thus,
1117 name lookup consists simply of pulling off the node at the front
1118 of the list (modulo oddities for looking up the names of types,
1119 and such.) You can use SCOPE field to determine the scope
1120 that bound the name. */
1121 #define IDENTIFIER_BINDING(NODE) \
1122 (LANG_IDENTIFIER_CAST (NODE)->bindings)
1124 /* TREE_TYPE only indicates on local and class scope the current
1125 type. For namespace scope, the presence of a type in any namespace
1126 is indicated with global_type_node, and the real type behind must
1127 be found through lookup. */
1128 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
1129 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
1130 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
1131 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
1133 /* Kinds of identifiers. Values are carefully chosen. */
1134 enum cp_identifier_kind
{
1135 cik_normal
= 0, /* Not a special identifier. */
1136 cik_keyword
= 1, /* A keyword. */
1137 cik_ctor
= 2, /* Constructor (in-chg, complete or base). */
1138 cik_dtor
= 3, /* Destructor (in-chg, deleting, complete or
1140 cik_simple_op
= 4, /* Non-assignment operator name. */
1141 cik_assign_op
= 5, /* An assignment operator name. */
1142 cik_conv_op
= 6, /* Conversion operator name. */
1143 cik_reserved_for_udlit
= 7, /* Not yet in use */
1148 #define IDENTIFIER_KIND_BIT_0(NODE) \
1149 TREE_LANG_FLAG_0 (IDENTIFIER_NODE_CHECK (NODE))
1150 #define IDENTIFIER_KIND_BIT_1(NODE) \
1151 TREE_LANG_FLAG_1 (IDENTIFIER_NODE_CHECK (NODE))
1152 #define IDENTIFIER_KIND_BIT_2(NODE) \
1153 TREE_LANG_FLAG_2 (IDENTIFIER_NODE_CHECK (NODE))
1155 /* Used by various search routines. */
1156 #define IDENTIFIER_MARKED(NODE) \
1157 TREE_LANG_FLAG_4 (IDENTIFIER_NODE_CHECK (NODE))
1159 /* Nonzero if this identifier is used as a virtual function name somewhere
1160 (optimizes searches). */
1161 #define IDENTIFIER_VIRTUAL_P(NODE) \
1162 TREE_LANG_FLAG_5 (IDENTIFIER_NODE_CHECK (NODE))
1164 /* True if this identifier is a reserved word. C_RID_CODE (node) is
1165 then the RID_* value of the keyword. Value 1. */
1166 #define IDENTIFIER_KEYWORD_P(NODE) \
1167 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1168 & (!IDENTIFIER_KIND_BIT_1 (NODE)) \
1169 & IDENTIFIER_KIND_BIT_0 (NODE))
1171 /* True if this identifier is the name of a constructor or
1172 destructor. Value 2 or 3. */
1173 #define IDENTIFIER_CDTOR_P(NODE) \
1174 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1175 & IDENTIFIER_KIND_BIT_1 (NODE))
1177 /* True if this identifier is the name of a constructor. Value 2. */
1178 #define IDENTIFIER_CTOR_P(NODE) \
1179 (IDENTIFIER_CDTOR_P(NODE) \
1180 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1182 /* True if this identifier is the name of a destructor. Value 3. */
1183 #define IDENTIFIER_DTOR_P(NODE) \
1184 (IDENTIFIER_CDTOR_P(NODE) \
1185 & IDENTIFIER_KIND_BIT_0 (NODE))
1187 /* True if this identifier is for any operator name (including
1188 conversions). Value 4, 5, 6 or 7. */
1189 #define IDENTIFIER_ANY_OP_P(NODE) \
1190 (IDENTIFIER_KIND_BIT_2 (NODE))
1192 /* True if this identifier is for an overloaded operator. Values 4, 5. */
1193 #define IDENTIFIER_OVL_OP_P(NODE) \
1194 (IDENTIFIER_ANY_OP_P (NODE) \
1195 & (!IDENTIFIER_KIND_BIT_1 (NODE)))
1197 /* True if this identifier is for any assignment. Values 5. */
1198 #define IDENTIFIER_ASSIGN_OP_P(NODE) \
1199 (IDENTIFIER_OVL_OP_P (NODE) \
1200 & IDENTIFIER_KIND_BIT_0 (NODE))
1202 /* True if this identifier is the name of a type-conversion
1203 operator. Value 7. */
1204 #define IDENTIFIER_CONV_OP_P(NODE) \
1205 (IDENTIFIER_ANY_OP_P (NODE) \
1206 & IDENTIFIER_KIND_BIT_1 (NODE) \
1207 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1209 /* True if this identifier is a new or delete operator. */
1210 #define IDENTIFIER_NEWDEL_OP_P(NODE) \
1211 (IDENTIFIER_OVL_OP_P (NODE) \
1212 && IDENTIFIER_OVL_OP_FLAGS (NODE) & OVL_OP_FLAG_ALLOC)
1214 /* True if this identifier is a new operator. */
1215 #define IDENTIFIER_NEW_OP_P(NODE) \
1216 (IDENTIFIER_OVL_OP_P (NODE) \
1217 && (IDENTIFIER_OVL_OP_FLAGS (NODE) \
1218 & (OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_DELETE)) == OVL_OP_FLAG_ALLOC)
1220 /* Access a C++-specific index for identifier NODE.
1221 Used to optimize operator mappings etc. */
1222 #define IDENTIFIER_CP_INDEX(NODE) \
1223 (IDENTIFIER_NODE_CHECK(NODE)->base.u.bits.address_space)
1225 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
1226 #define C_TYPE_FIELDS_READONLY(TYPE) \
1227 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
1229 /* The tokens stored in the unparsed operand. */
1231 #define DEFPARSE_TOKENS(NODE) \
1232 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->tokens)
1233 #define DEFPARSE_INSTANTIATIONS(NODE) \
1234 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->instantiations)
1236 struct GTY (()) tree_deferred_parse
{
1237 struct tree_base base
;
1238 struct cp_token_cache
*tokens
;
1239 vec
<tree
, va_gc
> *instantiations
;
1243 #define DEFERRED_NOEXCEPT_PATTERN(NODE) \
1244 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->pattern)
1245 #define DEFERRED_NOEXCEPT_ARGS(NODE) \
1246 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->args)
1247 #define DEFERRED_NOEXCEPT_SPEC_P(NODE) \
1248 ((NODE) && (TREE_PURPOSE (NODE)) \
1249 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_NOEXCEPT))
1250 #define UNEVALUATED_NOEXCEPT_SPEC_P(NODE) \
1251 (DEFERRED_NOEXCEPT_SPEC_P (NODE) \
1252 && DEFERRED_NOEXCEPT_PATTERN (TREE_PURPOSE (NODE)) == NULL_TREE)
1253 #define UNPARSED_NOEXCEPT_SPEC_P(NODE) \
1254 ((NODE) && (TREE_PURPOSE (NODE)) \
1255 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_PARSE))
1257 struct GTY (()) tree_deferred_noexcept
{
1258 struct tree_base base
;
1264 /* The condition associated with the static assertion. This must be
1265 an integral constant expression. */
1266 #define STATIC_ASSERT_CONDITION(NODE) \
1267 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
1269 /* The message associated with the static assertion. This must be a
1270 string constant, which will be emitted as an error message when the
1271 static assert condition is false. */
1272 #define STATIC_ASSERT_MESSAGE(NODE) \
1273 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
1275 /* Source location information for a static assertion. */
1276 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
1277 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
1279 struct GTY (()) tree_static_assert
{
1280 struct tree_common common
;
1283 location_t location
;
1286 struct GTY (()) tree_argument_pack_select
{
1287 struct tree_common common
;
1292 /* The different kinds of traits that we encounter. */
1298 CPTK_HAS_NOTHROW_ASSIGN
,
1299 CPTK_HAS_NOTHROW_CONSTRUCTOR
,
1300 CPTK_HAS_NOTHROW_COPY
,
1301 CPTK_HAS_TRIVIAL_ASSIGN
,
1302 CPTK_HAS_TRIVIAL_CONSTRUCTOR
,
1303 CPTK_HAS_TRIVIAL_COPY
,
1304 CPTK_HAS_TRIVIAL_DESTRUCTOR
,
1305 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS
,
1306 CPTK_HAS_VIRTUAL_DESTRUCTOR
,
1314 CPTK_IS_LITERAL_TYPE
,
1316 CPTK_IS_POLYMORPHIC
,
1320 CPTK_IS_TRIVIALLY_ASSIGNABLE
,
1321 CPTK_IS_TRIVIALLY_CONSTRUCTIBLE
,
1322 CPTK_IS_TRIVIALLY_COPYABLE
,
1324 CPTK_UNDERLYING_TYPE
,
1326 CPTK_IS_CONSTRUCTIBLE
1329 /* The types that we are processing. */
1330 #define TRAIT_EXPR_TYPE1(NODE) \
1331 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
1333 #define TRAIT_EXPR_TYPE2(NODE) \
1334 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
1336 /* The specific trait that we are processing. */
1337 #define TRAIT_EXPR_KIND(NODE) \
1338 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
1340 #define TRAIT_EXPR_LOCATION(NODE) \
1341 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->locus)
1343 struct GTY (()) tree_trait_expr
{
1344 struct tree_common common
;
1348 enum cp_trait_kind kind
;
1351 /* Identifiers used for lambda types are almost anonymous. Use this
1352 spare flag to distinguish them (they also have the anonymous flag). */
1353 #define IDENTIFIER_LAMBDA_P(NODE) \
1354 (IDENTIFIER_NODE_CHECK(NODE)->base.protected_flag)
1356 /* Based off of TYPE_UNNAMED_P. */
1357 #define LAMBDA_TYPE_P(NODE) \
1358 (TREE_CODE (NODE) == RECORD_TYPE \
1359 && TYPE_LINKAGE_IDENTIFIER (NODE) \
1360 && IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
1362 /* Test if FUNCTION_DECL is a lambda function. */
1363 #define LAMBDA_FUNCTION_P(FNDECL) \
1364 (DECL_DECLARES_FUNCTION_P (FNDECL) \
1365 && DECL_OVERLOADED_OPERATOR_P (FNDECL) \
1366 && DECL_OVERLOADED_OPERATOR_IS (FNDECL, CALL_EXPR) \
1367 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
1369 enum cp_lambda_default_capture_mode_type
{
1375 /* The method of default capture, if any. */
1376 #define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
1377 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
1379 /* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
1380 * so that the name, type, and field are all together, whether or not it has
1381 * been added to the lambda's class type.
1383 TREE_PURPOSE: The FIELD_DECL for this capture.
1384 TREE_VALUE: The initializer. This is part of a GNU extension. */
1385 #define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
1386 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
1388 /* During parsing of the lambda-introducer, the node in the capture-list
1389 that holds the 'this' capture. During parsing of the body, the
1390 capture proxy for that node. */
1391 #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
1392 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
1394 /* Predicate tracking whether `this' is in the effective capture set. */
1395 #define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
1396 LAMBDA_EXPR_THIS_CAPTURE(NODE)
1398 /* Predicate tracking whether the lambda was declared 'mutable'. */
1399 #define LAMBDA_EXPR_MUTABLE_P(NODE) \
1400 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
1402 /* True iff uses of a const variable capture were optimized away. */
1403 #define LAMBDA_EXPR_CAPTURE_OPTIMIZED(NODE) \
1404 TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE))
1406 /* True iff this LAMBDA_EXPR was generated in tsubst_lambda_expr. */
1407 #define LAMBDA_EXPR_INSTANTIATED(NODE) \
1408 TREE_LANG_FLAG_3 (LAMBDA_EXPR_CHECK (NODE))
1410 /* True if this TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST is for an explicit
1412 #define LAMBDA_CAPTURE_EXPLICIT_P(NODE) \
1413 TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
1415 /* The source location of the lambda. */
1416 #define LAMBDA_EXPR_LOCATION(NODE) \
1417 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
1419 /* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
1420 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
1421 #define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
1422 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
1424 /* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
1425 #define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
1426 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
1428 /* During parsing of the lambda, a vector of capture proxies which need
1429 to be pushed once we're done processing a nested lambda. */
1430 #define LAMBDA_EXPR_PENDING_PROXIES(NODE) \
1431 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->pending_proxies)
1433 /* The closure type of the lambda, which is also the type of the
1435 #define LAMBDA_EXPR_CLOSURE(NODE) \
1436 (TREE_TYPE (LAMBDA_EXPR_CHECK (NODE)))
1438 struct GTY (()) tree_lambda_expr
1440 struct tree_typed typed
;
1444 vec
<tree
, va_gc
> *pending_proxies
;
1446 enum cp_lambda_default_capture_mode_type default_capture_mode
: 8;
1447 short int discriminator
;
1450 /* Non-zero if this template specialization has access violations that
1451 should be rechecked when the function is instantiated outside argument
1453 #define TINFO_HAS_ACCESS_ERRORS(NODE) \
1454 (TREE_LANG_FLAG_0 (TEMPLATE_INFO_CHECK (NODE)))
1455 #define FNDECL_HAS_ACCESS_ERRORS(NODE) \
1456 (TINFO_HAS_ACCESS_ERRORS (DECL_TEMPLATE_INFO (NODE)))
1458 /* Non-zero if this variable template specialization was specified using a
1459 template-id, so it's a partial or full specialization and not a definition
1460 of the member template of a particular class specialization. */
1461 #define TINFO_USED_TEMPLATE_ID(NODE) \
1462 (TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE)))
1464 /* The representation of a deferred access check. */
1466 struct GTY(()) deferred_access_check
{
1467 /* The base class in which the declaration is referenced. */
1469 /* The declaration whose access must be checked. */
1471 /* The declaration that should be used in the error message. */
1473 /* The location of this access. */
1477 struct GTY(()) tree_template_info
{
1478 struct tree_base base
;
1481 vec
<deferred_access_check
, va_gc
> *deferred_access_checks
;
1484 // Constraint information for a C++ declaration. Constraint information is
1487 // - a constraint expression introduced by the template header
1488 // - a constraint expression introduced by a function declarator
1489 // - the associated constraints, which are the conjunction of those,
1490 // and used for declaration matching
1492 // The template and declarator requirements are kept to support pretty
1493 // printing constrained declarations.
1494 struct GTY(()) tree_constraint_info
{
1495 struct tree_base base
;
1497 tree declarator_reqs
;
1498 tree associated_constr
;
1501 // Require that pointer P is non-null before returning.
1502 template<typename T
>
1504 check_nonnull (T
* p
)
1510 /* Returns true iff T is non-null and represents constraint info. */
1511 inline tree_constraint_info
*
1512 check_constraint_info (tree t
)
1514 if (t
&& TREE_CODE (t
) == CONSTRAINT_INFO
)
1515 return (tree_constraint_info
*)t
;
1519 /* Access the expression describing the template constraints. This may be
1520 null if no constraints were introduced in the template parameter list,
1521 a requirements clause after the template parameter list, or constraints
1522 through a constrained-type-specifier. */
1523 #define CI_TEMPLATE_REQS(NODE) \
1524 check_constraint_info (check_nonnull (NODE))->template_reqs
1526 /* Access the expression describing the trailing constraints. This is non-null
1527 for any implicit instantiation of a constrained declaration. For a
1528 templated declaration it is non-null only when a trailing requires-clause
1530 #define CI_DECLARATOR_REQS(NODE) \
1531 check_constraint_info (check_nonnull (NODE))->declarator_reqs
1533 /* The computed associated constraint expression for a declaration. */
1534 #define CI_ASSOCIATED_CONSTRAINTS(NODE) \
1535 check_constraint_info (check_nonnull (NODE))->associated_constr
1537 /* Access the constraint-expression introduced by the requires-clause
1538 associate the template parameter list NODE. */
1539 #define TEMPLATE_PARMS_CONSTRAINTS(NODE) \
1540 TREE_TYPE (TREE_LIST_CHECK (NODE))
1542 /* Access the logical constraints on the template parameter declaration
1543 indicated by NODE. */
1544 #define TEMPLATE_PARM_CONSTRAINTS(NODE) \
1545 TREE_TYPE (TREE_LIST_CHECK (NODE))
1547 /* Non-zero if the noexcept is present in a compound requirement. */
1548 #define COMPOUND_REQ_NOEXCEPT_P(NODE) \
1549 TREE_LANG_FLAG_0 (TREE_CHECK (NODE, COMPOUND_REQ))
1551 /* The constraints on an 'auto' placeholder type, used in an argument deduction
1553 #define PLACEHOLDER_TYPE_CONSTRAINTS(NODE) \
1554 DECL_SIZE_UNIT (TYPE_NAME (NODE))
1556 /* True if NODE is a constraint. */
1557 #define CONSTR_P(NODE) \
1558 (TREE_CODE (NODE) == ATOMIC_CONSTR \
1559 || TREE_CODE (NODE) == CONJ_CONSTR \
1560 || TREE_CODE (NODE) == DISJ_CONSTR)
1562 /* Valid for any normalized constraint. */
1563 #define CONSTR_CHECK(NODE) \
1564 TREE_CHECK3 (NODE, ATOMIC_CONSTR, CONJ_CONSTR, DISJ_CONSTR)
1566 /* The CONSTR_INFO stores normalization data for a constraint. It refers to
1567 the original expression and the expression or declaration
1568 from which the constraint was normalized.
1570 This is TREE_LIST whose TREE_PURPOSE is the original expression and whose
1571 TREE_VALUE is a list of contexts. */
1572 #define CONSTR_INFO(NODE) \
1573 TREE_TYPE (CONSTR_CHECK (NODE))
1575 /* The expression evaluated by the constraint. */
1576 #define CONSTR_EXPR(NODE) \
1577 TREE_PURPOSE (CONSTR_INFO (NODE))
1579 /* The expression or declaration from which this constraint was normalized.
1580 This is a TREE_LIST whose TREE_VALUE is either a template-id expression
1581 denoting a concept check or the declaration introducing the constraint.
1582 These are chained to other context objects. */
1583 #define CONSTR_CONTEXT(NODE) \
1584 TREE_VALUE (CONSTR_INFO (NODE))
1586 /* The parameter mapping for an atomic constraint. */
1587 #define ATOMIC_CONSTR_MAP(NODE) \
1588 TREE_OPERAND (TREE_CHECK (NODE, ATOMIC_CONSTR), 0)
1590 /* The expression of an atomic constraint. */
1591 #define ATOMIC_CONSTR_EXPR(NODE) \
1592 CONSTR_EXPR (ATOMIC_CONSTR_CHECK (NODE))
1594 /* The concept of a concept check. */
1595 #define CHECK_CONSTR_CONCEPT(NODE) \
1596 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 0)
1598 /* The template arguments of a concept check. */
1599 #define CHECK_CONSTR_ARGS(NODE) \
1600 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 1)
1602 /* Whether a PARM_DECL represents a local parameter in a
1603 requires-expression. */
1604 #define CONSTRAINT_VAR_P(NODE) \
1605 DECL_LANG_FLAG_2 (TREE_CHECK (NODE, PARM_DECL))
1607 /* The concept constraining this constrained template-parameter. */
1608 #define CONSTRAINED_PARM_CONCEPT(NODE) \
1609 DECL_SIZE_UNIT (TYPE_DECL_CHECK (NODE))
1610 /* Any extra template arguments specified for a constrained
1611 template-parameter. */
1612 #define CONSTRAINED_PARM_EXTRA_ARGS(NODE) \
1613 DECL_SIZE (TYPE_DECL_CHECK (NODE))
1614 /* The first template parameter of CONSTRAINED_PARM_CONCEPT to be used as a
1615 prototype for the constrained parameter in finish_shorthand_constraint,
1616 attached for convenience. */
1617 #define CONSTRAINED_PARM_PROTOTYPE(NODE) \
1618 DECL_INITIAL (TYPE_DECL_CHECK (NODE))
1620 /* The list of local parameters introduced by this requires-expression,
1621 in the form of a chain of PARM_DECLs. */
1622 #define REQUIRES_EXPR_PARMS(NODE) \
1623 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 0)
1625 /* A TREE_LIST of the requirements for this requires-expression.
1626 The requirements are stored in lexical order within the TREE_VALUE
1627 of each TREE_LIST node. The TREE_PURPOSE of each node is unused. */
1628 #define REQUIRES_EXPR_REQS(NODE) \
1629 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 1)
1631 /* Like PACK_EXPANSION_EXTRA_ARGS, for requires-expressions. */
1632 #define REQUIRES_EXPR_EXTRA_ARGS(NODE) \
1633 TREE_OPERAND (TREE_CHECK (NODE, REQUIRES_EXPR), 2)
1635 enum cp_tree_node_structure_enum
{
1642 TS_CP_TEMPLATE_DECL
,
1643 TS_CP_DEFERRED_PARSE
,
1644 TS_CP_DEFERRED_NOEXCEPT
,
1645 TS_CP_STATIC_ASSERT
,
1646 TS_CP_ARGUMENT_PACK_SELECT
,
1649 TS_CP_TEMPLATE_INFO
,
1650 TS_CP_CONSTRAINT_INFO
,
1651 TS_CP_USERDEF_LITERAL
1654 /* The resulting tree type. */
1655 union GTY((desc ("cp_tree_node_structure (&%h)"),
1656 chain_next ("(union lang_tree_node *) c_tree_chain_next (&%h.generic)"))) lang_tree_node
{
1657 union tree_node
GTY ((tag ("TS_CP_GENERIC"),
1658 desc ("tree_node_structure (&%h)"))) generic
;
1659 struct template_parm_index
GTY ((tag ("TS_CP_TPI"))) tpi
;
1660 struct ptrmem_cst
GTY ((tag ("TS_CP_PTRMEM"))) ptrmem
;
1661 struct tree_overload
GTY ((tag ("TS_CP_OVERLOAD"))) overload
;
1662 struct tree_baselink
GTY ((tag ("TS_CP_BASELINK"))) baselink
;
1663 struct tree_template_decl
GTY ((tag ("TS_CP_TEMPLATE_DECL"))) template_decl
;
1664 struct tree_deferred_parse
GTY ((tag ("TS_CP_DEFERRED_PARSE"))) deferred_parse
;
1665 struct tree_deferred_noexcept
GTY ((tag ("TS_CP_DEFERRED_NOEXCEPT"))) deferred_noexcept
;
1666 struct lang_identifier
GTY ((tag ("TS_CP_IDENTIFIER"))) identifier
;
1667 struct tree_static_assert
GTY ((tag ("TS_CP_STATIC_ASSERT")))
1669 struct tree_argument_pack_select
GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
1670 argument_pack_select
;
1671 struct tree_trait_expr
GTY ((tag ("TS_CP_TRAIT_EXPR")))
1673 struct tree_lambda_expr
GTY ((tag ("TS_CP_LAMBDA_EXPR")))
1675 struct tree_template_info
GTY ((tag ("TS_CP_TEMPLATE_INFO")))
1677 struct tree_constraint_info
GTY ((tag ("TS_CP_CONSTRAINT_INFO")))
1679 struct tree_userdef_literal
GTY ((tag ("TS_CP_USERDEF_LITERAL")))
1686 struct GTY(()) saved_scope
{
1687 vec
<cxx_saved_binding
, va_gc
> *old_bindings
;
1689 vec
<tree
, va_gc
> *decl_ns_list
;
1692 tree access_specifier
;
1694 vec
<tree
, va_gc
> *lang_base
;
1696 tree template_parms
;
1697 cp_binding_level
*x_previous_class_level
;
1700 /* Only used for uses of this in trailing return type. */
1701 tree x_current_class_ptr
;
1702 tree x_current_class_ref
;
1704 int x_processing_template_decl
;
1705 int x_processing_specialization
;
1706 int x_processing_constraint
;
1707 int suppress_location_wrappers
;
1708 BOOL_BITFIELD x_processing_explicit_instantiation
: 1;
1709 BOOL_BITFIELD need_pop_function_context
: 1;
1711 /* Nonzero if we are parsing the discarded statement of a constexpr
1713 BOOL_BITFIELD discarded_stmt
: 1;
1715 int unevaluated_operand
;
1716 int inhibit_evaluation_warnings
;
1717 int noexcept_operand
;
1718 /* If non-zero, implicit "omp declare target" attribute is added into the
1720 int omp_declare_target_attribute
;
1723 struct stmt_tree_s x_stmt_tree
;
1725 cp_binding_level
*class_bindings
;
1726 cp_binding_level
*bindings
;
1728 hash_map
<tree
, tree
> *GTY((skip
)) x_local_specializations
;
1730 struct saved_scope
*prev
;
1733 extern GTY(()) struct saved_scope
*scope_chain
;
1735 /* The current open namespace. */
1737 #define current_namespace scope_chain->old_namespace
1739 /* The stack for namespaces of current declarations. */
1741 #define decl_namespace_list scope_chain->decl_ns_list
1743 /* IDENTIFIER_NODE: name of current class */
1745 #define current_class_name scope_chain->class_name
1747 /* _TYPE: the type of the current class */
1749 #define current_class_type scope_chain->class_type
1751 /* When parsing a class definition, the access specifier most recently
1752 given by the user, or, if no access specifier was given, the
1753 default value appropriate for the kind of class (i.e., struct,
1754 class, or union). */
1756 #define current_access_specifier scope_chain->access_specifier
1758 /* Pointer to the top of the language name stack. */
1760 #define current_lang_base scope_chain->lang_base
1761 #define current_lang_name scope_chain->lang_name
1763 /* When parsing a template declaration, a TREE_LIST represents the
1764 active template parameters. Each node in the list represents one
1765 level of template parameters. The innermost level is first in the
1766 list. The depth of each level is stored as an INTEGER_CST in the
1767 TREE_PURPOSE of each node. The parameters for that level are
1768 stored in the TREE_VALUE. */
1770 #define current_template_parms scope_chain->template_parms
1772 #define processing_template_decl scope_chain->x_processing_template_decl
1773 #define processing_specialization scope_chain->x_processing_specialization
1774 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
1776 #define in_discarded_stmt scope_chain->discarded_stmt
1778 #define current_ref_temp_count scope_chain->ref_temp_count
1780 /* RAII sentinel to handle clearing processing_template_decl and restoring
1783 class processing_template_decl_sentinel
1787 processing_template_decl_sentinel (bool reset
= true)
1788 : saved (processing_template_decl
)
1791 processing_template_decl
= 0;
1793 ~processing_template_decl_sentinel()
1795 processing_template_decl
= saved
;
1799 /* RAII sentinel to disable certain warnings during template substitution
1802 class warning_sentinel
1807 warning_sentinel(int& flag
, bool suppress
=true)
1808 : flag(flag
), val(flag
) { if (suppress
) flag
= 0; }
1809 ~warning_sentinel() { flag
= val
; }
1812 /* RAII sentinel to temporarily override input_location. This will not set
1813 input_location to UNKNOWN_LOCATION or BUILTINS_LOCATION. */
1817 location_t saved_loc
;
1819 iloc_sentinel (location_t loc
): saved_loc (input_location
)
1821 if (loc
>= RESERVED_LOCATION_COUNT
)
1822 input_location
= loc
;
1826 input_location
= saved_loc
;
1830 /* RAII sentinel that saves the value of a variable, optionally
1831 overrides it right away, and restores its value when the sentinel
1834 template <typename T
>
1837 T
& overridden_variable
;
1840 temp_override(T
& var
) : overridden_variable (var
), saved_value (var
) {}
1841 temp_override(T
& var
, T overrider
)
1842 : overridden_variable (var
), saved_value (var
)
1844 overridden_variable
= overrider
;
1846 ~temp_override() { overridden_variable
= saved_value
; }
1849 /* The cached class binding level, from the most recently exited
1850 class, or NULL if none. */
1852 #define previous_class_level scope_chain->x_previous_class_level
1854 /* A map from local variable declarations in the body of the template
1855 presently being instantiated to the corresponding instantiated
1858 #define local_specializations scope_chain->x_local_specializations
1860 /* Nonzero if we are parsing the operand of a noexcept operator. */
1862 #define cp_noexcept_operand scope_chain->noexcept_operand
1864 /* A list of private types mentioned, for deferred access checking. */
1866 struct GTY((for_user
)) cxx_int_tree_map
{
1871 struct cxx_int_tree_map_hasher
: ggc_ptr_hash
<cxx_int_tree_map
>
1873 static hashval_t
hash (cxx_int_tree_map
*);
1874 static bool equal (cxx_int_tree_map
*, cxx_int_tree_map
*);
1877 struct named_label_entry
; /* Defined in decl.c. */
1879 struct named_label_hash
: ggc_remove
<named_label_entry
*>
1881 typedef named_label_entry
*value_type
;
1882 typedef tree compare_type
; /* An identifier. */
1884 inline static hashval_t
hash (value_type
);
1885 inline static bool equal (const value_type
, compare_type
);
1887 static const bool empty_zero_p
= true;
1888 inline static void mark_empty (value_type
&p
) {p
= NULL
;}
1889 inline static bool is_empty (value_type p
) {return !p
;}
1891 /* Nothing is deletable. Everything is insertable. */
1892 inline static bool is_deleted (value_type
) { return false; }
1893 inline static void mark_deleted (value_type
) { gcc_unreachable (); }
1896 /* Global state pertinent to the current function. */
1898 struct GTY(()) language_function
{
1899 struct c_language_function base
;
1902 tree x_current_class_ptr
;
1903 tree x_current_class_ref
;
1904 tree x_eh_spec_block
;
1905 tree x_in_charge_parm
;
1907 tree x_return_value
;
1909 BOOL_BITFIELD returns_value
: 1;
1910 BOOL_BITFIELD returns_null
: 1;
1911 BOOL_BITFIELD returns_abnormally
: 1;
1912 BOOL_BITFIELD infinite_loop
: 1;
1913 BOOL_BITFIELD x_in_function_try_handler
: 1;
1914 BOOL_BITFIELD x_in_base_initializer
: 1;
1916 /* True if this function can throw an exception. */
1917 BOOL_BITFIELD can_throw
: 1;
1919 BOOL_BITFIELD invalid_constexpr
: 1;
1920 BOOL_BITFIELD throwing_cleanup
: 1;
1922 hash_table
<named_label_hash
> *x_named_labels
;
1924 cp_binding_level
*bindings
;
1926 /* Tracking possibly infinite loops. This is a vec<tree> only because
1927 vec<bool> doesn't work with gtype. */
1928 vec
<tree
, va_gc
> *infinite_loops
;
1931 /* The current C++-specific per-function global variables. */
1933 #define cp_function_chain (cfun->language)
1935 /* In a constructor destructor, the point at which all derived class
1936 destroying/construction has been done. I.e., just before a
1937 constructor returns, or before any base class destroying will be done
1940 #define cdtor_label cp_function_chain->x_cdtor_label
1942 /* When we're processing a member function, current_class_ptr is the
1943 PARM_DECL for the `this' pointer. The current_class_ref is an
1944 expression for `*this'. */
1946 #define current_class_ptr \
1947 (*(cfun && cp_function_chain \
1948 ? &cp_function_chain->x_current_class_ptr \
1949 : &scope_chain->x_current_class_ptr))
1950 #define current_class_ref \
1951 (*(cfun && cp_function_chain \
1952 ? &cp_function_chain->x_current_class_ref \
1953 : &scope_chain->x_current_class_ref))
1955 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
1956 function, if any. */
1958 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
1960 /* The `__in_chrg' parameter for the current function. Only used for
1961 constructors and destructors. */
1963 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
1965 /* The `__vtt_parm' parameter for the current function. Only used for
1966 constructors and destructors. */
1968 #define current_vtt_parm cp_function_chain->x_vtt_parm
1970 /* A boolean flag to control whether we need to clean up the return value if a
1971 local destructor throws. Only used in functions that return by value a
1972 class with a destructor. Which 'tors don't, so we can use the same
1973 field as current_vtt_parm. */
1975 #define current_retval_sentinel current_vtt_parm
1977 /* Set to 0 at beginning of a function definition, set to 1 if
1978 a return statement that specifies a return value is seen. */
1980 #define current_function_returns_value cp_function_chain->returns_value
1982 /* Set to 0 at beginning of a function definition, set to 1 if
1983 a return statement with no argument is seen. */
1985 #define current_function_returns_null cp_function_chain->returns_null
1987 /* Set to 0 at beginning of a function definition, set to 1 if
1988 a call to a noreturn function is seen. */
1990 #define current_function_returns_abnormally \
1991 cp_function_chain->returns_abnormally
1993 /* Set to 0 at beginning of a function definition, set to 1 if we see an
1994 obvious infinite loop. This can have false positives and false
1995 negatives, so it should only be used as a heuristic. */
1997 #define current_function_infinite_loop cp_function_chain->infinite_loop
1999 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
2000 #define in_base_initializer cp_function_chain->x_in_base_initializer
2002 #define in_function_try_handler cp_function_chain->x_in_function_try_handler
2004 /* Expression always returned from function, or error_mark_node
2005 otherwise, for use by the automatic named return value optimization. */
2007 #define current_function_return_value \
2008 (cp_function_chain->x_return_value)
2011 extern tree
cp_literal_operator_id (const char *);
2013 #define NON_ERROR(NODE) ((NODE) == error_mark_node ? NULL_TREE : (NODE))
2015 /* TRUE if a tree code represents a statement. */
2016 extern bool statement_code_p
[MAX_TREE_CODES
];
2018 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
2020 enum languages
{ lang_c
, lang_cplusplus
};
2022 /* Macros to make error reporting functions' lives easier. */
2023 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
2024 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
2025 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
2026 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
2028 /* Any kind of anonymous type. */
2029 #define TYPE_ANON_P(NODE) \
2030 (TYPE_LINKAGE_IDENTIFIER (NODE) \
2031 && IDENTIFIER_ANON_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2033 /* Nonzero if NODE, a TYPE, has no name for linkage purposes. */
2034 #define TYPE_UNNAMED_P(NODE) \
2035 (TYPE_ANON_P (NODE) \
2036 && !IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2038 /* The _DECL for this _TYPE. */
2039 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
2041 /* Nonzero if T is a type that could resolve to any kind of concrete type
2042 at instantiation time. */
2043 #define WILDCARD_TYPE_P(T) \
2044 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
2045 || TREE_CODE (T) == TYPENAME_TYPE \
2046 || TREE_CODE (T) == TYPEOF_TYPE \
2047 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
2048 || TREE_CODE (T) == DECLTYPE_TYPE)
2050 /* Nonzero if T is a class (or struct or union) type. Also nonzero
2051 for template type parameters, typename types, and instantiated
2052 template template parameters. Keep these checks in ascending code
2054 #define MAYBE_CLASS_TYPE_P(T) (WILDCARD_TYPE_P (T) || CLASS_TYPE_P (T))
2056 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
2058 #define SET_CLASS_TYPE_P(T, VAL) \
2059 (TYPE_LANG_FLAG_5 (RECORD_OR_UNION_CHECK (T)) = (VAL))
2061 /* Nonzero if T is a class type. Zero for template type parameters,
2062 typename types, and so forth. */
2063 #define CLASS_TYPE_P(T) \
2064 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
2066 /* Nonzero if T is a class type but not a union. */
2067 #define NON_UNION_CLASS_TYPE_P(T) \
2068 (TREE_CODE (T) == RECORD_TYPE && TYPE_LANG_FLAG_5 (T))
2070 /* Keep these checks in ascending code order. */
2071 #define RECORD_OR_UNION_CODE_P(T) \
2072 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
2073 #define OVERLOAD_TYPE_P(T) \
2074 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
2076 /* True if this type is dependent. This predicate is only valid if
2077 TYPE_DEPENDENT_P_VALID is true. */
2078 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
2080 /* True if dependent_type_p has been called for this type, with the
2081 result that TYPE_DEPENDENT_P is valid. */
2082 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
2084 /* Nonzero if this type is const-qualified. */
2085 #define CP_TYPE_CONST_P(NODE) \
2086 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
2088 /* Nonzero if this type is volatile-qualified. */
2089 #define CP_TYPE_VOLATILE_P(NODE) \
2090 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
2092 /* Nonzero if this type is restrict-qualified. */
2093 #define CP_TYPE_RESTRICT_P(NODE) \
2094 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
2096 /* Nonzero if this type is const-qualified, but not
2097 volatile-qualified. Other qualifiers are ignored. This macro is
2098 used to test whether or not it is OK to bind an rvalue to a
2100 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
2101 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
2104 #define FUNCTION_ARG_CHAIN(NODE) \
2105 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2107 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
2108 which refers to a user-written parameter. */
2109 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
2110 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2112 /* Similarly, but for DECL_ARGUMENTS. */
2113 #define FUNCTION_FIRST_USER_PARM(NODE) \
2114 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
2116 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
2117 ambiguity issues. */
2118 #define DERIVED_FROM_P(PARENT, TYPE) \
2119 (lookup_base ((TYPE), (PARENT), ba_any, NULL, tf_none) != NULL_TREE)
2121 /* Gives the visibility specification for a class type. */
2122 #define CLASSTYPE_VISIBILITY(TYPE) \
2123 DECL_VISIBILITY (TYPE_MAIN_DECL (TYPE))
2124 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
2125 DECL_VISIBILITY_SPECIFIED (TYPE_MAIN_DECL (TYPE))
2127 struct GTY (()) tree_pair_s
{
2131 typedef tree_pair_s
*tree_pair_p
;
2133 /* This structure provides additional information above and beyond
2134 what is provide in the ordinary tree_type. In the past, we used it
2135 for the types of class types, template parameters types, typename
2136 types, and so forth. However, there can be many (tens to hundreds
2137 of thousands) of template parameter types in a compilation, and
2138 there's no need for this additional information in that case.
2139 Therefore, we now use this data structure only for class types.
2141 In the past, it was thought that there would be relatively few
2142 class types. However, in the presence of heavy use of templates,
2143 many (i.e., thousands) of classes can easily be generated.
2144 Therefore, we should endeavor to keep the size of this structure to
2146 struct GTY(()) lang_type
{
2147 unsigned char align
;
2149 unsigned has_type_conversion
: 1;
2150 unsigned has_copy_ctor
: 1;
2151 unsigned has_default_ctor
: 1;
2152 unsigned const_needs_init
: 1;
2153 unsigned ref_needs_init
: 1;
2154 unsigned has_const_copy_assign
: 1;
2155 unsigned use_template
: 2;
2157 unsigned has_mutable
: 1;
2158 unsigned com_interface
: 1;
2159 unsigned non_pod_class
: 1;
2160 unsigned nearly_empty_p
: 1;
2161 unsigned user_align
: 1;
2162 unsigned has_copy_assign
: 1;
2163 unsigned has_new
: 1;
2164 unsigned has_array_new
: 1;
2166 unsigned gets_delete
: 2;
2167 unsigned interface_only
: 1;
2168 unsigned interface_unknown
: 1;
2169 unsigned contains_empty_class_p
: 1;
2170 unsigned anon_aggr
: 1;
2171 unsigned non_zero_init
: 1;
2172 unsigned empty_p
: 1;
2173 /* 32 bits allocated. */
2175 unsigned vec_new_uses_cookie
: 1;
2176 unsigned declared_class
: 1;
2177 unsigned diamond_shaped
: 1;
2178 unsigned repeated_base
: 1;
2179 unsigned being_defined
: 1;
2180 unsigned debug_requested
: 1;
2181 unsigned fields_readonly
: 1;
2182 unsigned ptrmemfunc_flag
: 1;
2184 unsigned lazy_default_ctor
: 1;
2185 unsigned lazy_copy_ctor
: 1;
2186 unsigned lazy_copy_assign
: 1;
2187 unsigned lazy_destructor
: 1;
2188 unsigned has_const_copy_ctor
: 1;
2189 unsigned has_complex_copy_ctor
: 1;
2190 unsigned has_complex_copy_assign
: 1;
2191 unsigned non_aggregate
: 1;
2193 unsigned has_complex_dflt
: 1;
2194 unsigned has_list_ctor
: 1;
2195 unsigned non_std_layout
: 1;
2196 unsigned is_literal
: 1;
2197 unsigned lazy_move_ctor
: 1;
2198 unsigned lazy_move_assign
: 1;
2199 unsigned has_complex_move_ctor
: 1;
2200 unsigned has_complex_move_assign
: 1;
2202 unsigned has_constexpr_ctor
: 1;
2203 unsigned unique_obj_representations
: 1;
2204 unsigned unique_obj_representations_set
: 1;
2206 /* When adding a flag here, consider whether or not it ought to
2207 apply to a template instance if it applies to the template. If
2208 so, make sure to copy it in instantiate_class_template! */
2210 /* There are some bits left to fill out a 32-bit word. Keep track
2211 of this by updating the size of this bitfield whenever you add or
2216 vec
<tree_pair_s
, va_gc
> *vcall_indices
;
2219 vec
<tree
, va_gc
> *vbases
;
2220 binding_table nested_udts
;
2222 vec
<tree
, va_gc
> *pure_virtuals
;
2223 tree friend_classes
;
2224 vec
<tree
, va_gc
> * GTY((reorder ("resort_type_member_vec"))) members
;
2227 tree befriending_classes
;
2228 /* In a RECORD_TYPE, information specific to Objective-C++, such
2229 as a list of adopted protocols or a pointer to a corresponding
2230 @interface. See objc/objc-act.h for details. */
2232 /* FIXME reuse another field? */
2236 /* We used to have a variant type for lang_type. Keep the name of the
2237 checking accessor for the sole survivor. */
2238 #define LANG_TYPE_CLASS_CHECK(NODE) (TYPE_LANG_SPECIFIC (NODE))
2240 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
2241 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
2242 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
2244 /* Nonzero if `new NODE[x]' should cause the allocation of extra
2245 storage to indicate how many array elements are in use. */
2246 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
2247 (CLASS_TYPE_P (NODE) \
2248 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
2250 /* Nonzero means that this _CLASSTYPE node defines ways of converting
2251 itself to other types. */
2252 #define TYPE_HAS_CONVERSION(NODE) \
2253 (LANG_TYPE_CLASS_CHECK (NODE)->has_type_conversion)
2255 /* Nonzero means that NODE (a class type) has a default constructor --
2256 but that it has not yet been declared. */
2257 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
2258 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
2260 /* Nonzero means that NODE (a class type) has a copy constructor --
2261 but that it has not yet been declared. */
2262 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
2263 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
2265 /* Nonzero means that NODE (a class type) has a move constructor --
2266 but that it has not yet been declared. */
2267 #define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
2268 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
2270 /* Nonzero means that NODE (a class type) has an assignment operator
2271 -- but that it has not yet been declared. */
2272 #define CLASSTYPE_LAZY_COPY_ASSIGN(NODE) \
2273 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_assign)
2275 /* Nonzero means that NODE (a class type) has an assignment operator
2276 -- but that it has not yet been declared. */
2277 #define CLASSTYPE_LAZY_MOVE_ASSIGN(NODE) \
2278 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_assign)
2280 /* Nonzero means that NODE (a class type) has a destructor -- but that
2281 it has not yet been declared. */
2282 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
2283 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
2285 /* Nonzero means that NODE (a class type) is final */
2286 #define CLASSTYPE_FINAL(NODE) \
2290 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
2291 #define TYPE_HAS_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_assign)
2293 /* True iff the class type NODE has an "operator =" whose parameter
2294 has a parameter of type "const X&". */
2295 #define TYPE_HAS_CONST_COPY_ASSIGN(NODE) \
2296 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_assign)
2298 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
2299 #define TYPE_HAS_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_ctor)
2300 #define TYPE_HAS_CONST_COPY_CTOR(NODE) \
2301 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_ctor)
2303 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
2304 #define TYPE_HAS_LIST_CTOR(NODE) \
2305 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
2307 /* Nonzero if this class has a constexpr constructor other than a copy/move
2308 constructor. Note that a class can have constexpr constructors for
2309 static initialization even if it isn't a literal class. */
2310 #define TYPE_HAS_CONSTEXPR_CTOR(NODE) \
2311 (LANG_TYPE_CLASS_CHECK (NODE)->has_constexpr_ctor)
2313 /* Nonzero if this class defines an overloaded operator new. (An
2314 operator new [] doesn't count.) */
2315 #define TYPE_HAS_NEW_OPERATOR(NODE) \
2316 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
2318 /* Nonzero if this class defines an overloaded operator new[]. */
2319 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
2320 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
2322 /* Nonzero means that this type is being defined. I.e., the left brace
2323 starting the definition of this type has been seen. */
2324 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
2326 /* Nonzero means that this type is either complete or being defined, so we
2327 can do lookup in it. */
2328 #define COMPLETE_OR_OPEN_TYPE_P(NODE) \
2329 (COMPLETE_TYPE_P (NODE) || (CLASS_TYPE_P (NODE) && TYPE_BEING_DEFINED (NODE)))
2331 /* Mark bits for repeated base checks. */
2332 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
2334 /* Nonzero if the class NODE has multiple paths to the same (virtual)
2336 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
2337 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
2339 /* Nonzero if the class NODE has multiple instances of the same base
2341 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
2342 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
2344 /* The member function with which the vtable will be emitted:
2345 the first noninline non-pure-virtual member function. NULL_TREE
2346 if there is no key function or if this is a class template */
2347 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
2349 /* Vector of members. During definition, it is unordered and only
2350 member functions are present. After completion it is sorted and
2351 contains both member functions and non-functions. STAT_HACK is
2352 involved to preserve oneslot per name invariant. */
2353 #define CLASSTYPE_MEMBER_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->members)
2355 /* For class templates, this is a TREE_LIST of all member data,
2356 functions, types, and friends in the order of declaration.
2357 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
2358 and the RECORD_TYPE for the class template otherwise. */
2359 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
2361 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
2362 are the constructors that take an in-charge parameter. */
2363 #define CLASSTYPE_CONSTRUCTORS(NODE) \
2364 (get_class_binding_direct (NODE, ctor_identifier))
2366 /* A FUNCTION_DECL for the destructor for NODE. This is the
2367 destructors that take an in-charge parameter. If
2368 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
2369 until the destructor is created with lazily_declare_fn. */
2370 #define CLASSTYPE_DESTRUCTOR(NODE) \
2371 (get_class_binding_direct (NODE, dtor_identifier))
2373 /* A dictionary of the nested user-defined-types (class-types, or enums)
2374 found within this class. This table includes nested member class
2376 #define CLASSTYPE_NESTED_UTDS(NODE) \
2377 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
2379 /* Nonzero if NODE has a primary base class, i.e., a base class with
2380 which it shares the virtual function table pointer. */
2381 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
2382 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
2384 /* If non-NULL, this is the binfo for the primary base class, i.e.,
2385 the base class which contains the virtual function table pointer
2387 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
2388 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
2390 /* A vector of BINFOs for the direct and indirect virtual base classes
2391 that this type uses in a post-order depth-first left-to-right
2392 order. (In other words, these bases appear in the order that they
2393 should be initialized.) */
2394 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
2396 /* The type corresponding to NODE when NODE is used as a base class,
2397 i.e., NODE without virtual base classes or tail padding. */
2398 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
2400 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
2401 #define IS_FAKE_BASE_TYPE(NODE) \
2402 (TREE_CODE (NODE) == RECORD_TYPE \
2403 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
2404 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
2406 /* These are the size and alignment of the type without its virtual
2407 base classes, for when we use this type as a base itself. */
2408 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
2409 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
2410 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
2411 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
2413 /* The alignment of NODE, without its virtual bases, in bytes. */
2414 #define CLASSTYPE_ALIGN_UNIT(NODE) \
2415 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
2417 /* A vec<tree> of virtual functions which cannot be inherited by
2418 derived classes. When deriving from this type, the derived
2419 class must provide its own definition for each of these functions. */
2420 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
2421 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
2423 /* Nonzero means that this type is an abstract class type. */
2424 #define ABSTRACT_CLASS_TYPE_P(NODE) \
2425 (CLASS_TYPE_P (NODE) && CLASSTYPE_PURE_VIRTUALS(NODE))
2427 /* Nonzero means that this type has an X() constructor. */
2428 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
2429 (LANG_TYPE_CLASS_CHECK (NODE)->has_default_ctor)
2431 /* Nonzero means that this type contains a mutable member. */
2432 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
2433 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
2435 /* Nonzero means that this class type is not POD for the purpose of layout
2436 (as defined in the ABI). This is different from the language's POD. */
2437 #define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \
2438 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
2440 /* Nonzero means that this class type is a non-standard-layout class. */
2441 #define CLASSTYPE_NON_STD_LAYOUT(NODE) \
2442 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout)
2444 /* Nonzero means that this class type does have unique object
2446 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS(NODE) \
2447 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations)
2449 /* Nonzero means that this class type has
2450 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS computed. */
2451 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET(NODE) \
2452 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations_set)
2454 /* Nonzero means that this class contains pod types whose default
2455 initialization is not a zero initialization (namely, pointers to
2457 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
2458 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
2460 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
2461 #define CLASSTYPE_EMPTY_P(NODE) \
2462 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
2464 /* Nonzero if this class is "nearly empty", i.e., contains only a
2465 virtual function table pointer. */
2466 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
2467 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
2469 /* Nonzero if this class contains an empty subobject. */
2470 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
2471 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
2473 /* A list of class types of which this type is a friend. The
2474 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
2475 case of a template friend. */
2476 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
2477 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
2479 /* A list of the classes which grant friendship to this class. */
2480 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
2481 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
2483 /* The associated LAMBDA_EXPR that made this class. */
2484 #define CLASSTYPE_LAMBDA_EXPR(NODE) \
2485 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
2486 /* The extra mangling scope for this closure type. */
2487 #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
2488 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
2490 /* Say whether this node was declared as a "class" or a "struct". */
2491 #define CLASSTYPE_DECLARED_CLASS(NODE) \
2492 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
2494 /* Nonzero if this class has const members
2495 which have no specified initialization. */
2496 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
2497 (TYPE_LANG_SPECIFIC (NODE) \
2498 ? LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init : 0)
2499 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
2500 (LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init = (VALUE))
2502 /* Nonzero if this class has ref members
2503 which have no specified initialization. */
2504 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
2505 (TYPE_LANG_SPECIFIC (NODE) \
2506 ? LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init : 0)
2507 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
2508 (LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init = (VALUE))
2510 /* Nonzero if this class is included from a header file which employs
2511 `#pragma interface', and it is not included in its implementation file. */
2512 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
2513 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
2515 /* True if we have already determined whether or not vtables, VTTs,
2516 typeinfo, and other similar per-class data should be emitted in
2517 this translation unit. This flag does not indicate whether or not
2518 these items should be emitted; it only indicates that we know one
2519 way or the other. */
2520 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
2521 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
2522 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
2523 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2524 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
2526 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
2527 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
2528 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2529 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
2530 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
2531 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
2533 /* Nonzero if a _DECL node requires us to output debug info for this class. */
2534 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
2535 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
2537 /* Additional macros for inheritance information. */
2539 /* Nonzero means that this class is on a path leading to a new vtable. */
2540 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
2542 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
2543 have this flag set. */
2544 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
2546 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
2547 this is functionally equivalent to using same_type_p, but
2548 measurably faster. At least one of the arguments must be a
2549 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
2550 BINFO_TYPE(T) ever stops being the main variant of the class the
2551 binfo is for, this macro must change. */
2552 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
2554 /* Any subobject that needs a new vtable must have a vptr and must not
2555 be a non-virtual primary base (since it would then use the vtable from a
2556 derived class and never become non-primary.) */
2557 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
2558 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
2559 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
2560 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
2562 /* Nonzero if this binfo is for a dependent base - one that should not
2564 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
2566 /* Nonzero if this binfo has lost its primary base binfo (because that
2567 is a nearly-empty virtual base that has been taken by some other
2568 base in the complete hierarchy. */
2569 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
2571 /* Nonzero if this BINFO is a primary base class. */
2572 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
2574 /* A vec<tree_pair_s> of the vcall indices associated with the class
2575 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
2576 function. The VALUE is the index into the virtual table where the
2577 vcall offset for that function is stored, when NODE is a virtual
2579 #define CLASSTYPE_VCALL_INDICES(NODE) \
2580 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
2582 /* The various vtables for the class NODE. The primary vtable will be
2583 first, followed by the construction vtables and VTT, if any. */
2584 #define CLASSTYPE_VTABLES(NODE) \
2585 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
2587 /* The std::type_info variable representing this class, or NULL if no
2588 such variable has been created. This field is only set for the
2589 TYPE_MAIN_VARIANT of the class. */
2590 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
2591 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
2593 /* Accessor macros for the BINFO_VIRTUALS list. */
2595 /* The number of bytes by which to adjust the `this' pointer when
2596 calling this virtual function. Subtract this value from the this
2597 pointer. Always non-NULL, might be constant zero though. */
2598 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
2600 /* If non-NULL, the vtable index at which to find the vcall offset
2601 when calling this virtual function. Add the value at that vtable
2602 index to the this pointer. */
2603 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
2605 /* The function to call. */
2606 #define BV_FN(NODE) (TREE_VALUE (NODE))
2608 /* Whether or not this entry is for a lost primary virtual base. */
2609 #define BV_LOST_PRIMARY(NODE) (TREE_LANG_FLAG_0 (NODE))
2611 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
2612 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
2613 will be NULL_TREE to indicate a throw specification of `()', or
2614 no exceptions allowed. For a noexcept specification, TREE_VALUE
2615 is NULL_TREE and TREE_PURPOSE is the constant-expression. For
2616 a deferred noexcept-specification, TREE_PURPOSE is a DEFERRED_NOEXCEPT
2617 (for templates) or an OVERLOAD list of functions (for implicitly
2618 declared functions). */
2619 #define TYPE_RAISES_EXCEPTIONS(NODE) \
2620 TYPE_LANG_SLOT_1 (FUNC_OR_METHOD_CHECK (NODE))
2622 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'
2623 or noexcept(true). */
2624 #define TYPE_NOTHROW_P(NODE) nothrow_spec_p (TYPE_RAISES_EXCEPTIONS (NODE))
2626 /* For FUNCTION_TYPE or METHOD_TYPE, true if NODE is noexcept. This is the
2627 case for things declared noexcept(true) and, with -fnothrow-opt, for
2628 throw() functions. */
2629 #define TYPE_NOEXCEPT_P(NODE) type_noexcept_p (NODE)
2631 /* The binding level associated with the namespace. */
2632 #define NAMESPACE_LEVEL(NODE) \
2633 (LANG_DECL_NS_CHECK (NODE)->level)
2635 /* Discriminator values for lang_decl. */
2637 enum lang_decl_selector
2646 /* Flags shared by all forms of DECL_LANG_SPECIFIC.
2648 Some of the flags live here only to make lang_decl_min/fn smaller. Do
2649 not make this struct larger than 32 bits; instead, make sel smaller. */
2651 struct GTY(()) lang_decl_base
{
2652 /* Larger than necessary for faster access. */
2653 ENUM_BITFIELD(lang_decl_selector
) selector
: 16;
2654 ENUM_BITFIELD(languages
) language
: 1;
2655 unsigned use_template
: 2;
2656 unsigned not_really_extern
: 1; /* var or fn */
2657 unsigned initialized_in_class
: 1; /* var or fn */
2658 unsigned threadprivate_or_deleted_p
: 1; /* var or fn */
2659 /* anticipated_p is no longer used for anticipated_decls (fn, type
2660 or template). It is used as DECL_OMP_PRIVATIZED_MEMBER in
2662 unsigned anticipated_p
: 1;
2663 unsigned friend_or_tls
: 1; /* var, fn, type or template */
2664 unsigned unknown_bound_p
: 1; /* var */
2665 unsigned odr_used
: 1; /* var or fn */
2667 unsigned concept_p
: 1; /* applies to vars and functions */
2668 unsigned var_declared_inline_p
: 1; /* var */
2669 unsigned dependent_init_p
: 1; /* var */
2673 /* True for DECL codes which have template info and access. */
2674 #define LANG_DECL_HAS_MIN(NODE) \
2675 (VAR_OR_FUNCTION_DECL_P (NODE) \
2676 || TREE_CODE (NODE) == FIELD_DECL \
2677 || TREE_CODE (NODE) == CONST_DECL \
2678 || TREE_CODE (NODE) == TYPE_DECL \
2679 || TREE_CODE (NODE) == TEMPLATE_DECL \
2680 || TREE_CODE (NODE) == USING_DECL \
2681 || TREE_CODE (NODE) == CONCEPT_DECL)
2683 /* DECL_LANG_SPECIFIC for the above codes. */
2685 struct GTY(()) lang_decl_min
{
2686 struct lang_decl_base base
; /* 32-bits. */
2688 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
2690 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
2691 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
2692 DECL_TEMPLATE_INFO. */
2695 /* In a DECL_THUNK_P FUNCTION_DECL, this is THUNK_VIRTUAL_OFFSET.
2696 In a lambda-capture proxy VAR_DECL, this is DECL_CAPTURED_VARIABLE.
2697 In a function-scope TREE_STATIC VAR_DECL or IMPLICIT_TYPEDEF_P TYPE_DECL,
2698 this is DECL_DISCRIMINATOR.
2699 In a DECL_LOCAL_DECL_P decl, this is the namespace decl it aliases.
2700 Otherwise, in a class-scope DECL, this is DECL_ACCESS. */
2704 /* Additional DECL_LANG_SPECIFIC information for functions. */
2706 struct GTY(()) lang_decl_fn
{
2707 struct lang_decl_min min
;
2709 /* In a overloaded operator, this is the compressed operator code. */
2710 unsigned ovl_op_code
: 6;
2711 unsigned global_ctor_p
: 1;
2712 unsigned global_dtor_p
: 1;
2714 unsigned static_function
: 1;
2715 unsigned pure_virtual
: 1;
2716 unsigned defaulted_p
: 1;
2717 unsigned has_in_charge_parm_p
: 1;
2718 unsigned has_vtt_parm_p
: 1;
2719 unsigned pending_inline_p
: 1;
2720 unsigned nonconverting
: 1;
2721 unsigned thunk_p
: 1;
2723 unsigned this_thunk_p
: 1;
2724 unsigned omp_declare_reduction_p
: 1;
2725 unsigned has_dependent_explicit_spec_p
: 1;
2726 unsigned immediate_fn_p
: 1;
2727 unsigned maybe_deleted
: 1;
2728 unsigned coroutine_p
: 1;
2730 unsigned spare
: 10;
2732 /* 32-bits padding on 64-bit host. */
2734 /* For a non-thunk function decl, this is a tree list of
2735 friendly classes. For a thunk function decl, it is the
2736 thunked to function decl. */
2737 tree befriending_classes
;
2739 /* For a non-virtual FUNCTION_DECL, this is
2740 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
2741 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
2742 this pointer and result pointer adjusting thunks are
2743 chained here. This pointer thunks to return pointer thunks
2744 will be chained on the return pointer thunk. */
2749 /* In a non-thunk FUNCTION_DECL, this is DECL_CLONED_FUNCTION. */
2750 tree
GTY ((tag ("0"))) cloned_function
;
2752 /* In a FUNCTION_DECL for which THUNK_P holds this is the
2753 THUNK_FIXED_OFFSET. */
2754 HOST_WIDE_INT
GTY ((tag ("1"))) fixed_offset
;
2755 } GTY ((desc ("%1.thunk_p"))) u5
;
2759 struct cp_token_cache
* GTY ((tag ("1"))) pending_inline_info
;
2760 tree
GTY ((tag ("0"))) saved_auto_return_type
;
2761 } GTY ((desc ("%1.pending_inline_p"))) u
;
2765 /* DECL_LANG_SPECIFIC for namespaces. */
2767 struct GTY(()) lang_decl_ns
{
2768 struct lang_decl_base base
; /* 32 bits. */
2769 cp_binding_level
*level
;
2771 /* Inline children. Needs to be va_gc, because of PCH. */
2772 vec
<tree
, va_gc
> *inlinees
;
2774 /* Hash table of bound decls. It'd be nice to have this inline, but
2775 as the hash_map has a dtor, we can't then put this struct into a
2776 union (until moving to c++11). */
2777 hash_table
<named_decl_hash
> *bindings
;
2780 /* DECL_LANG_SPECIFIC for parameters. */
2782 struct GTY(()) lang_decl_parm
{
2783 struct lang_decl_base base
; /* 32 bits. */
2788 /* Additional DECL_LANG_SPECIFIC information for structured bindings. */
2790 struct GTY(()) lang_decl_decomp
{
2791 struct lang_decl_min min
;
2792 /* The artificial underlying "e" variable of the structured binding
2797 /* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a
2798 union rather than a struct containing a union as its only field, but
2799 tree.h declares it as a struct. */
2801 struct GTY(()) lang_decl
{
2802 union GTY((desc ("%h.base.selector"))) lang_decl_u
{
2803 /* Nothing of only the base type exists. */
2804 struct lang_decl_base
GTY ((default)) base
;
2805 struct lang_decl_min
GTY((tag ("lds_min"))) min
;
2806 struct lang_decl_fn
GTY ((tag ("lds_fn"))) fn
;
2807 struct lang_decl_ns
GTY((tag ("lds_ns"))) ns
;
2808 struct lang_decl_parm
GTY((tag ("lds_parm"))) parm
;
2809 struct lang_decl_decomp
GTY((tag ("lds_decomp"))) decomp
;
2813 /* Looks through a template (if present) to find what it declares. */
2814 #define STRIP_TEMPLATE(NODE) \
2815 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE)
2817 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
2819 #define LANG_DECL_MIN_CHECK(NODE) __extension__ \
2820 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2821 if (!LANG_DECL_HAS_MIN (NODE)) \
2822 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2825 /* We want to be able to check DECL_CONSTRUCTOR_P and such on a function
2826 template, not just on a FUNCTION_DECL. So when looking for things in
2827 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */
2828 #define LANG_DECL_FN_CHECK(NODE) __extension__ \
2829 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \
2830 if (!DECL_DECLARES_FUNCTION_P (NODE) \
2831 || lt->u.base.selector != lds_fn) \
2832 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2835 #define LANG_DECL_NS_CHECK(NODE) __extension__ \
2836 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2837 if (TREE_CODE (NODE) != NAMESPACE_DECL \
2838 || lt->u.base.selector != lds_ns) \
2839 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2842 #define LANG_DECL_PARM_CHECK(NODE) __extension__ \
2843 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2844 if (TREE_CODE (NODE) != PARM_DECL \
2845 || lt->u.base.selector != lds_parm) \
2846 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2849 #define LANG_DECL_DECOMP_CHECK(NODE) __extension__ \
2850 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2852 || lt->u.base.selector != lds_decomp) \
2853 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2858 #define LANG_DECL_MIN_CHECK(NODE) \
2859 (&DECL_LANG_SPECIFIC (NODE)->u.min)
2861 #define LANG_DECL_FN_CHECK(NODE) \
2862 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn)
2864 #define LANG_DECL_NS_CHECK(NODE) \
2865 (&DECL_LANG_SPECIFIC (NODE)->u.ns)
2867 #define LANG_DECL_PARM_CHECK(NODE) \
2868 (&DECL_LANG_SPECIFIC (NODE)->u.parm)
2870 #define LANG_DECL_DECOMP_CHECK(NODE) \
2871 (&DECL_LANG_SPECIFIC (NODE)->u.decomp)
2873 #endif /* ENABLE_TREE_CHECKING */
2875 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
2876 declaration. Some entities (like a member function in a local
2877 class, or a local variable) do not have linkage at all, and this
2878 macro should not be used in those cases.
2880 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
2881 created by language-independent code, and has C linkage. Most
2882 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
2883 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
2884 #define DECL_LANGUAGE(NODE) \
2885 (DECL_LANG_SPECIFIC (NODE) \
2886 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \
2887 : (TREE_CODE (NODE) == FUNCTION_DECL \
2888 ? lang_c : lang_cplusplus))
2890 /* Set the language linkage for NODE to LANGUAGE. */
2891 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
2892 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE))
2894 /* For FUNCTION_DECLs and TEMPLATE_DECLs: nonzero means that this function
2895 is a constructor. */
2896 #define DECL_CONSTRUCTOR_P(NODE) \
2897 DECL_CXX_CONSTRUCTOR_P (STRIP_TEMPLATE (NODE))
2899 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
2901 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
2902 (DECL_NAME (NODE) == complete_ctor_identifier)
2904 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
2906 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
2907 (DECL_NAME (NODE) == base_ctor_identifier)
2909 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
2910 specialized in-charge constructor or the specialized not-in-charge
2912 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
2913 (DECL_NAME (NODE) == ctor_identifier)
2915 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
2916 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
2917 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
2919 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
2920 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
2921 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
2923 /* Nonzero if NODE (a FUNCTION_DECL or TEMPLATE_DECL)
2925 #define DECL_DESTRUCTOR_P(NODE) \
2926 DECL_CXX_DESTRUCTOR_P (STRIP_TEMPLATE (NODE))
2928 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
2929 specialized in-charge constructor, in-charge deleting constructor,
2930 or the base destructor. */
2931 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
2932 (DECL_NAME (NODE) == dtor_identifier)
2934 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2936 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
2937 (DECL_NAME (NODE) == complete_dtor_identifier)
2939 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
2941 #define DECL_BASE_DESTRUCTOR_P(NODE) \
2942 (DECL_NAME (NODE) == base_dtor_identifier)
2944 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2945 object that deletes the object after it has been destroyed. */
2946 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
2947 (DECL_NAME (NODE) == deleting_dtor_identifier)
2949 /* Nonzero if either DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P or
2950 DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P is true of NODE. */
2951 #define DECL_MAYBE_IN_CHARGE_CDTOR_P(NODE) \
2952 (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (NODE) \
2953 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (NODE))
2955 /* Nonzero if NODE (a _DECL) is a cloned constructor or
2957 #define DECL_CLONED_FUNCTION_P(NODE) \
2959 && IDENTIFIER_CDTOR_P (DECL_NAME (NODE)) \
2960 && !DECL_MAYBE_IN_CHARGE_CDTOR_P (NODE))
2962 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
2964 #define DECL_CLONED_FUNCTION(NODE) \
2965 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE))->u.fn.u5.cloned_function)
2967 /* Perform an action for each clone of FN, if FN is a function with
2968 clones. This macro should be used like:
2970 FOR_EACH_CLONE (clone, fn)
2974 #define FOR_EACH_CLONE(CLONE, FN) \
2975 if (!(TREE_CODE (FN) == FUNCTION_DECL \
2976 && DECL_MAYBE_IN_CHARGE_CDTOR_P (FN))) \
2979 for (CLONE = DECL_CHAIN (FN); \
2980 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
2981 CLONE = DECL_CHAIN (CLONE))
2983 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
2984 #define DECL_DISCRIMINATOR_P(NODE) \
2985 (((TREE_CODE (NODE) == VAR_DECL && TREE_STATIC (NODE)) \
2986 || DECL_IMPLICIT_TYPEDEF_P (NODE)) \
2987 && DECL_FUNCTION_SCOPE_P (NODE))
2989 /* Discriminator for name mangling. */
2990 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
2992 /* The index of a user-declared parameter in its function, starting at 1.
2993 All artificial parameters will have index 0. */
2994 #define DECL_PARM_INDEX(NODE) \
2995 (LANG_DECL_PARM_CHECK (NODE)->index)
2997 /* The level of a user-declared parameter in its function, starting at 1.
2998 A parameter of the function will have level 1; a parameter of the first
2999 nested function declarator (i.e. t in void f (void (*p)(T t))) will have
3001 #define DECL_PARM_LEVEL(NODE) \
3002 (LANG_DECL_PARM_CHECK (NODE)->level)
3004 /* Nonzero if the VTT parm has been added to NODE. */
3005 #define DECL_HAS_VTT_PARM_P(NODE) \
3006 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p)
3008 /* Nonzero if NODE is a user-defined conversion operator. */
3009 #define DECL_CONV_FN_P(NODE) IDENTIFIER_CONV_OP_P (DECL_NAME (NODE))
3011 /* The type to which conversion operator FN converts to. */
3012 #define DECL_CONV_FN_TYPE(FN) \
3013 TREE_TYPE ((gcc_checking_assert (DECL_CONV_FN_P (FN)), DECL_NAME (FN)))
3015 /* Nonzero if NODE, a static data member, was declared in its class as an
3016 array of unknown bound. */
3017 #define VAR_HAD_UNKNOWN_BOUND(NODE) \
3018 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3019 ? DECL_LANG_SPECIFIC (NODE)->u.base.unknown_bound_p \
3021 #define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
3022 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.unknown_bound_p = true)
3024 /* True iff decl NODE is for an overloaded operator. */
3025 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
3026 IDENTIFIER_ANY_OP_P (DECL_NAME (NODE))
3028 /* Nonzero if NODE is an assignment operator (including += and such). */
3029 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
3030 IDENTIFIER_ASSIGN_OP_P (DECL_NAME (NODE))
3032 /* NODE is a function_decl for an overloaded operator. Return its
3033 compressed (raw) operator code. Note that this is not a TREE_CODE. */
3034 #define DECL_OVERLOADED_OPERATOR_CODE_RAW(NODE) \
3035 (LANG_DECL_FN_CHECK (NODE)->ovl_op_code)
3037 /* DECL is an overloaded operator. Test whether it is for TREE_CODE
3038 (a literal constant). */
3039 #define DECL_OVERLOADED_OPERATOR_IS(DECL, CODE) \
3040 (DECL_OVERLOADED_OPERATOR_CODE_RAW (DECL) == OVL_OP_##CODE)
3042 /* For FUNCTION_DECLs: nonzero means that this function is a
3043 constructor or a destructor with an extra in-charge parameter to
3044 control whether or not virtual bases are constructed. */
3045 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
3046 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p)
3048 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
3049 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
3050 (TREE_CODE (NODE) == FUNCTION_DECL \
3051 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
3052 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
3054 /* Nonzero for _DECL means that this decl appears in (or will appear
3055 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
3056 detecting circularity in case members are multiply defined. In the
3057 case of a VAR_DECL, it means that no definition has been seen, even
3058 if an initializer has been. */
3059 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
3061 /* Nonzero for a VAR_DECL means that the variable's initialization (if
3062 any) has been processed. (In general, DECL_INITIALIZED_P is
3063 !DECL_EXTERNAL, but static data members may be initialized even if
3065 #define DECL_INITIALIZED_P(NODE) \
3066 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
3068 /* Nonzero for a VAR_DECL iff an explicit initializer was provided
3069 or a non-trivial constructor is called. */
3070 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
3071 (TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE)))
3073 /* Nonzero for a VAR_DECL that was initialized with a
3074 constant-expression. */
3075 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
3076 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
3078 /* Nonzero if the DECL was initialized in the class definition itself,
3079 rather than outside the class. This is used for both static member
3080 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
3081 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
3082 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3083 ->u.base.initialized_in_class)
3085 /* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr].
3086 Only available for decls with DECL_LANG_SPECIFIC. */
3087 #define DECL_ODR_USED(DECL) \
3088 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3091 /* Nonzero for DECL means that this decl is just a friend declaration,
3092 and should not be added to the list of members for this class. */
3093 #define DECL_FRIEND_P(NODE) \
3094 (DECL_LANG_SPECIFIC (TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK (NODE)) \
3095 ->u.base.friend_or_tls)
3097 /* Nonzero if the thread-local variable was declared with __thread as
3098 opposed to thread_local. */
3099 #define DECL_GNU_TLS_P(NODE) \
3100 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3101 && DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls)
3102 #define SET_DECL_GNU_TLS_P(NODE) \
3103 (retrofit_lang_decl (VAR_DECL_CHECK (NODE)), \
3104 DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls = true)
3106 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
3107 #define DECL_BEFRIENDING_CLASSES(NODE) \
3108 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
3110 /* Nonzero for FUNCTION_DECL means that this decl is a static
3112 #define DECL_STATIC_FUNCTION_P(NODE) \
3113 (LANG_DECL_FN_CHECK (NODE)->static_function)
3115 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
3117 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
3118 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
3120 /* Nonzero for FUNCTION_DECL means that this decl is a member function
3121 (static or non-static). */
3122 #define DECL_FUNCTION_MEMBER_P(NODE) \
3123 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
3125 /* Nonzero for FUNCTION_DECL means that this member function
3126 has `this' as const X *const. */
3127 #define DECL_CONST_MEMFUNC_P(NODE) \
3128 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3129 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
3130 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3132 /* Nonzero for FUNCTION_DECL means that this member function
3133 has `this' as volatile X *const. */
3134 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
3135 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3136 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
3137 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3139 /* Nonzero for a DECL means that this member is a non-static member. */
3140 #define DECL_NONSTATIC_MEMBER_P(NODE) \
3141 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3142 || TREE_CODE (NODE) == FIELD_DECL)
3144 /* Nonzero for a FIELD_DECL means that this member object type
3146 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (FIELD_DECL_CHECK (NODE)))
3148 /* Nonzero for _DECL means that this constructor or conversion function is
3150 #define DECL_NONCONVERTING_P(NODE) \
3151 (LANG_DECL_FN_CHECK (NODE)->nonconverting)
3153 /* Nonzero for FUNCTION_DECL means that this member function is a pure
3154 virtual function. */
3155 #define DECL_PURE_VIRTUAL_P(NODE) \
3156 (LANG_DECL_FN_CHECK (NODE)->pure_virtual)
3158 /* Nonzero for FUNCTION_DECL means that this member function (either
3159 a constructor or a conversion function) has an explicit specifier
3160 with a value-dependent expression. */
3161 #define DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P(NODE) \
3162 (LANG_DECL_FN_CHECK (NODE)->has_dependent_explicit_spec_p)
3164 /* Nonzero for a defaulted FUNCTION_DECL for which we haven't decided yet if
3165 it's deleted; we will decide in synthesize_method. */
3166 #define DECL_MAYBE_DELETED(NODE) \
3167 (LANG_DECL_FN_CHECK (NODE)->maybe_deleted)
3169 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
3170 invalid overrider for a function from a base class. Once we have
3171 complained about an invalid overrider we avoid complaining about it
3173 #define DECL_INVALID_OVERRIDER_P(NODE) \
3174 (DECL_LANG_FLAG_4 (NODE))
3176 /* True (in a FUNCTION_DECL) if NODE is a function declared with
3177 an override virt-specifier */
3178 #define DECL_OVERRIDE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
3180 /* The thunks associated with NODE, a FUNCTION_DECL. */
3181 #define DECL_THUNKS(NODE) \
3182 (DECL_VIRTUAL_P (NODE) ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3184 /* Set DECL_THUNKS. */
3185 #define SET_DECL_THUNKS(NODE,THUNKS) \
3186 (LANG_DECL_FN_CHECK (NODE)->context = (THUNKS))
3188 /* If NODE, a FUNCTION_DECL, is a C++11 inheriting constructor, then this
3189 is the constructor it inherits from. */
3190 #define DECL_INHERITED_CTOR(NODE) \
3191 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \
3192 ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3194 /* And this is the base that constructor comes from. */
3195 #define DECL_INHERITED_CTOR_BASE(NODE) \
3196 (DECL_INHERITED_CTOR (NODE) \
3197 ? DECL_CONTEXT (flag_new_inheriting_ctors \
3198 ? strip_inheriting_ctors (NODE) \
3199 : DECL_INHERITED_CTOR (NODE)) \
3202 /* Set the inherited base. */
3203 #define SET_DECL_INHERITED_CTOR(NODE,INH) \
3204 (LANG_DECL_FN_CHECK (NODE)->context = (INH))
3206 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
3207 #define DECL_THUNK_P(NODE) \
3208 (TREE_CODE (NODE) == FUNCTION_DECL \
3209 && DECL_LANG_SPECIFIC (NODE) \
3210 && LANG_DECL_FN_CHECK (NODE)->thunk_p)
3212 /* Set DECL_THUNK_P for node. */
3213 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
3214 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \
3215 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING))
3217 /* Nonzero if NODE is a this pointer adjusting thunk. */
3218 #define DECL_THIS_THUNK_P(NODE) \
3219 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3221 /* Nonzero if NODE is a result pointer adjusting thunk. */
3222 #define DECL_RESULT_THUNK_P(NODE) \
3223 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3225 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
3226 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
3227 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
3229 /* Nonzero if NODE is `extern "C"'. */
3230 #define DECL_EXTERN_C_P(NODE) \
3231 (DECL_LANGUAGE (NODE) == lang_c)
3233 /* Nonzero if NODE is an `extern "C"' function. */
3234 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
3235 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
3237 /* Non-zero if this variable is declared `constinit' specifier. */
3238 #define DECL_DECLARED_CONSTINIT_P(NODE) \
3239 (DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE)))
3241 /* True if DECL is declared 'constexpr'. */
3242 #define DECL_DECLARED_CONSTEXPR_P(DECL) \
3243 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (STRIP_TEMPLATE (DECL)))
3245 /* True if FNDECL is an immediate function. */
3246 #define DECL_IMMEDIATE_FUNCTION_P(NODE) \
3247 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (STRIP_TEMPLATE (NODE))) \
3248 ? LANG_DECL_FN_CHECK (NODE)->immediate_fn_p \
3250 #define SET_DECL_IMMEDIATE_FUNCTION_P(NODE) \
3251 (retrofit_lang_decl (FUNCTION_DECL_CHECK (NODE)), \
3252 LANG_DECL_FN_CHECK (NODE)->immediate_fn_p = true)
3254 // True if NODE was declared as 'concept'. The flag implies that the
3255 // declaration is constexpr, that the declaration cannot be specialized or
3256 // refined, and that the result type must be convertible to bool.
3257 #define DECL_DECLARED_CONCEPT_P(NODE) \
3258 (DECL_LANG_SPECIFIC (NODE)->u.base.concept_p)
3260 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
3261 template function. */
3262 #define DECL_PRETTY_FUNCTION_P(NODE) \
3264 && id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__"))
3266 /* For a DECL, true if it is __func__ or similar. */
3267 #define DECL_FNAME_P(NODE) \
3268 (VAR_P (NODE) && DECL_NAME (NODE) && DECL_ARTIFICIAL (NODE) \
3269 && DECL_HAS_VALUE_EXPR_P (NODE) \
3270 && (id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__") \
3271 || id_equal (DECL_NAME (NODE), "__FUNCTION__") \
3272 || id_equal (DECL_NAME (NODE), "__func__")))
3274 /* Nonzero if the variable was declared to be thread-local.
3275 We need a special C++ version of this test because the middle-end
3276 DECL_THREAD_LOCAL_P uses the symtab, so we can't use it for
3278 #define CP_DECL_THREAD_LOCAL_P(NODE) \
3279 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
3281 /* The _TYPE context in which this _DECL appears. This field holds the
3282 class where a virtual function instance is actually defined. */
3283 #define DECL_CLASS_CONTEXT(NODE) \
3284 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
3286 /* For a non-member friend function, the class (if any) in which this
3287 friend was defined. For example, given:
3289 struct S { friend void f () { ... } };
3291 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
3292 #define DECL_FRIEND_CONTEXT(NODE) \
3293 ((DECL_DECLARES_FUNCTION_P (NODE) \
3294 && DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
3295 ? LANG_DECL_FN_CHECK (NODE)->context \
3298 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
3299 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
3300 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT))
3302 #define CP_DECL_CONTEXT(NODE) \
3303 (!DECL_FILE_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
3304 #define CP_TYPE_CONTEXT(NODE) \
3305 (!TYPE_FILE_SCOPE_P (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
3306 #define FROB_CONTEXT(NODE) \
3307 ((NODE) == global_namespace ? DECL_CONTEXT (NODE) : (NODE))
3309 /* 1 iff NODE has namespace scope, including the global namespace. */
3310 #define DECL_NAMESPACE_SCOPE_P(NODE) \
3311 (!DECL_TEMPLATE_PARM_P (NODE) \
3312 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
3314 #define TYPE_NAMESPACE_SCOPE_P(NODE) \
3315 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
3317 #define NAMESPACE_SCOPE_P(NODE) \
3318 ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \
3319 || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE)))
3321 /* 1 iff NODE is a class member. */
3322 #define DECL_CLASS_SCOPE_P(NODE) \
3323 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
3325 #define TYPE_CLASS_SCOPE_P(NODE) \
3326 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
3328 /* 1 iff NODE is function-local. */
3329 #define DECL_FUNCTION_SCOPE_P(NODE) \
3330 (DECL_CONTEXT (NODE) \
3331 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
3333 #define TYPE_FUNCTION_SCOPE_P(NODE) \
3334 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
3336 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
3337 both the primary typeinfo object and the associated NTBS name. */
3338 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
3340 /* 1 iff VAR_DECL node NODE is virtual table or VTT. We forward to
3341 DECL_VIRTUAL_P from the common code, as that has the semantics we
3342 need. But we want a more descriptive name. */
3343 #define DECL_VTABLE_OR_VTT_P(NODE) DECL_VIRTUAL_P (VAR_DECL_CHECK (NODE))
3345 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has a ref-qualifier (either & or &&). */
3346 #define FUNCTION_REF_QUALIFIED(NODE) \
3347 TREE_LANG_FLAG_4 (FUNC_OR_METHOD_CHECK (NODE))
3349 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has &&-ref-qualifier. */
3350 #define FUNCTION_RVALUE_QUALIFIED(NODE) \
3351 TREE_LANG_FLAG_5 (FUNC_OR_METHOD_CHECK (NODE))
3353 /* 1 iff NODE is function-local, but for types. */
3354 #define LOCAL_CLASS_P(NODE) \
3355 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
3357 /* The nesting depth of namespace, class or function. Makes is_ancestor much
3358 simpler. Only 8 bits available. */
3359 #define SCOPE_DEPTH(NODE) \
3360 (NAMESPACE_DECL_CHECK (NODE)->base.u.bits.address_space)
3362 /* Whether the namepace is an inline namespace. */
3363 #define DECL_NAMESPACE_INLINE_P(NODE) \
3364 TREE_LANG_FLAG_0 (NAMESPACE_DECL_CHECK (NODE))
3366 /* In a NAMESPACE_DECL, a vector of inline namespaces. */
3367 #define DECL_NAMESPACE_INLINEES(NODE) \
3368 (LANG_DECL_NS_CHECK (NODE)->inlinees)
3370 /* Pointer to hash_map from IDENTIFIERS to DECLS */
3371 #define DECL_NAMESPACE_BINDINGS(NODE) \
3372 (LANG_DECL_NS_CHECK (NODE)->bindings)
3374 /* In a NAMESPACE_DECL, points to the original namespace if this is
3375 a namespace alias. */
3376 #define DECL_NAMESPACE_ALIAS(NODE) \
3377 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
3378 #define ORIGINAL_NAMESPACE(NODE) \
3379 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
3381 /* Nonzero if NODE is the std namespace. */
3382 #define DECL_NAMESPACE_STD_P(NODE) \
3383 ((NODE) == std_node)
3385 /* In a TREE_LIST in an attribute list, indicates that the attribute
3386 must be applied at instantiation time. */
3387 #define ATTR_IS_DEPENDENT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3389 /* In a TREE_LIST in the argument of attribute abi_tag, indicates that the tag
3390 was inherited from a template parameter, not explicitly indicated. */
3391 #define ABI_TAG_IMPLICIT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3393 /* Non zero if this is a using decl for a dependent scope. */
3394 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
3396 /* The scope named in a using decl. */
3397 #define USING_DECL_SCOPE(NODE) DECL_RESULT_FLD (USING_DECL_CHECK (NODE))
3399 /* The decls named by a using decl. */
3400 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
3402 /* Non zero if the using decl refers to a dependent type. */
3403 #define USING_DECL_TYPENAME_P(NODE) DECL_LANG_FLAG_1 (USING_DECL_CHECK (NODE))
3405 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
3406 the class definition. We have saved away the text of the function,
3407 but have not yet processed it. */
3408 #define DECL_PENDING_INLINE_P(NODE) \
3409 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p)
3411 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
3413 #define DECL_PENDING_INLINE_INFO(NODE) \
3414 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info)
3416 /* Nonzero for TYPE_DECL means that it was written 'using name = type'. */
3417 #define TYPE_DECL_ALIAS_P(NODE) \
3418 DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (NODE))
3420 /* Nonzero for TEMPLATE_DECL means that it is a 'complex' alias template. */
3421 #define TEMPLATE_DECL_COMPLEX_ALIAS_P(NODE) \
3422 DECL_LANG_FLAG_2 (TEMPLATE_DECL_CHECK (NODE))
3424 /* Nonzero for a type which is an alias for another type; i.e, a type
3425 which declaration was written 'using name-of-type =
3427 #define TYPE_ALIAS_P(NODE) \
3429 && TYPE_NAME (NODE) \
3430 && TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
3431 && TYPE_DECL_ALIAS_P (TYPE_NAME (NODE)))
3433 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL, TEMPLATE_DECL,
3434 or CONCEPT_DECL, the entity is either a template specialization (if
3435 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
3438 In either case, DECL_TEMPLATE_INFO is a TEMPLATE_INFO, whose
3439 TI_TEMPLATE is the TEMPLATE_DECL of which this entity is a
3440 specialization or abstract instance. The TI_ARGS is the
3441 template arguments used to specialize the template.
3445 template <typename T> struct S { friend void f(T) {} };
3447 In this case, S<int>::f is, from the point of view of the compiler,
3448 an instantiation of a template -- but, from the point of view of
3449 the language, each instantiation of S results in a wholly unrelated
3450 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
3451 will be non-NULL, but DECL_USE_TEMPLATE will be zero.
3453 In a friend declaration, TI_TEMPLATE can be an overload set, or
3455 #define DECL_TEMPLATE_INFO(NODE) \
3456 (DECL_LANG_SPECIFIC (TEMPLATE_INFO_DECL_CHECK (NODE)) \
3457 ->u.min.template_info)
3459 /* For a lambda capture proxy, its captured variable. */
3460 #define DECL_CAPTURED_VARIABLE(NODE) \
3461 (LANG_DECL_MIN_CHECK (NODE)->access)
3463 /* For a VAR_DECL, indicates that the variable is actually a
3464 non-static data member of anonymous union that has been promoted to
3466 #define DECL_ANON_UNION_VAR_P(NODE) \
3467 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
3469 /* Template information for a RECORD_TYPE or UNION_TYPE. */
3470 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
3471 (TYPE_LANG_SLOT_1 (RECORD_OR_UNION_CHECK (NODE)))
3473 /* Template information for a template template parameter. */
3474 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
3475 (TYPE_LANG_SLOT_1 (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)))
3477 /* Template information for an ENUMERAL_, RECORD_, UNION_TYPE, or
3478 BOUND_TEMPLATE_TEMPLATE_PARM type. This ignores any alias
3479 templateness of NODE. It'd be nice if this could unconditionally
3480 access the slot, rather than return NULL if given a
3481 non-templatable type. */
3482 #define TYPE_TEMPLATE_INFO(NODE) \
3483 (TREE_CODE (NODE) == ENUMERAL_TYPE \
3484 || TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
3485 || RECORD_OR_UNION_TYPE_P (NODE) \
3486 ? TYPE_LANG_SLOT_1 (NODE) : NULL_TREE)
3488 /* Template information (if any) for an alias type. */
3489 #define TYPE_ALIAS_TEMPLATE_INFO(NODE) \
3490 (DECL_LANG_SPECIFIC (TYPE_NAME (NODE)) \
3491 ? DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) \
3494 /* If NODE is a type alias, this accessor returns the template info
3495 for the alias template (if any). Otherwise behave as
3496 TYPE_TEMPLATE_INFO. */
3497 #define TYPE_TEMPLATE_INFO_MAYBE_ALIAS(NODE) \
3498 (typedef_variant_p (NODE) \
3499 ? TYPE_ALIAS_TEMPLATE_INFO (NODE) \
3500 : TYPE_TEMPLATE_INFO (NODE))
3502 /* Set the template information for a non-alias n ENUMERAL_, RECORD_,
3503 or UNION_TYPE to VAL. ALIAS's are dealt with separately. */
3504 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
3505 (gcc_checking_assert (TREE_CODE (NODE) == ENUMERAL_TYPE \
3506 || (CLASS_TYPE_P (NODE) && !TYPE_ALIAS_P (NODE))), \
3507 (TYPE_LANG_SLOT_1 (NODE) = (VAL))) \
3509 #define TI_TEMPLATE(NODE) \
3510 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->tmpl
3511 #define TI_ARGS(NODE) \
3512 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->args
3513 #define TI_PENDING_TEMPLATE_FLAG(NODE) \
3514 TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE))
3515 /* For a given TREE_VEC containing a template argument list,
3516 this property contains the number of arguments that are not
3518 #define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3519 TREE_CHAIN (TREE_VEC_CHECK (NODE))
3521 /* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT
3523 #define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \
3524 NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE)
3526 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3527 int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE))
3529 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3530 NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \
3531 ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \
3532 : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE))
3535 /* The list of access checks that were deferred during parsing
3536 which need to be performed at template instantiation time.
3538 FIXME this should be associated with the TEMPLATE_DECL, not the
3540 #define TI_DEFERRED_ACCESS_CHECKS(NODE) \
3541 ((struct tree_template_info*)TEMPLATE_INFO_CHECK \
3542 (NODE))->deferred_access_checks
3544 /* We use TREE_VECs to hold template arguments. If there is only one
3545 level of template arguments, then the TREE_VEC contains the
3546 arguments directly. If there is more than one level of template
3547 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
3548 containing the template arguments for a single level. The first
3549 entry in the outer TREE_VEC is the outermost level of template
3550 parameters; the last is the innermost.
3552 It is incorrect to ever form a template argument vector containing
3553 only one level of arguments, but which is a TREE_VEC containing as
3554 its only entry the TREE_VEC for that level.
3556 For each TREE_VEC containing the template arguments for a single
3557 level, it's possible to get or set the number of non defaulted
3558 template arguments by using the accessor macros
3559 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or
3560 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */
3562 /* Nonzero if the template arguments is actually a vector of vectors,
3563 rather than just a vector. */
3564 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
3565 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \
3566 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
3568 /* The depth of a template argument vector. When called directly by
3569 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
3570 template arguments. In fact, we may even see NULL_TREE if there
3571 are no template arguments. In both of those cases, there is only
3572 one level of template arguments. */
3573 #define TMPL_ARGS_DEPTH(NODE) \
3574 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
3576 /* The LEVELth level of the template ARGS. The outermost level of
3577 args is level 1, not level 0. */
3578 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
3579 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
3580 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
3582 /* Set the LEVELth level of the template ARGS to VAL. This macro does
3583 not work with single-level argument vectors. */
3584 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
3585 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
3587 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
3588 #define TMPL_ARG(ARGS, LEVEL, IDX) \
3589 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
3591 /* Given a single level of template arguments in NODE, return the
3592 number of arguments. */
3593 #define NUM_TMPL_ARGS(NODE) \
3594 (TREE_VEC_LENGTH (NODE))
3596 /* Returns the innermost level of template arguments in ARGS. */
3597 #define INNERMOST_TEMPLATE_ARGS(NODE) \
3598 (get_innermost_template_args ((NODE), 1))
3600 /* The number of levels of template parameters given by NODE. */
3601 #define TMPL_PARMS_DEPTH(NODE) \
3602 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
3604 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
3605 TEMPLATE_DECL will be the immediate parent, not the most general
3606 template. For example, in:
3608 template <class T> struct S { template <class U> void f(U); }
3610 the FUNCTION_DECL for S<int>::f<double> will have, as its
3611 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
3613 As a special case, for a member friend template of a template
3614 class, this value will not be a TEMPLATE_DECL, but rather an
3615 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
3616 any explicit template arguments provided. For example, in:
3618 template <class T> struct S { friend void f<int>(int, double); }
3620 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
3621 DECL_TI_ARGS will be {int}.
3623 For a FIELD_DECL with a non-static data member initializer, this value
3624 is the FIELD_DECL it was instantiated from. */
3625 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
3627 /* The template arguments used to obtain this decl from the most
3628 general form of DECL_TI_TEMPLATE. For the example given for
3629 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
3630 are always the full set of arguments required to instantiate this
3631 declaration from the most general template specialized here. */
3632 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
3634 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
3635 will be generated from a partial specialization, the TEMPLATE_DECL
3636 referred to here will be the original template. For example,
3639 template <typename T> struct S {};
3640 template <typename T> struct S<T*> {};
3642 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>.
3644 For a member class template, CLASSTYPE_TI_TEMPLATE always refers to the
3645 partial instantiation rather than the primary template. CLASSTYPE_TI_ARGS
3646 are for the primary template if the partial instantiation isn't
3647 specialized, or for the explicit specialization if it is, e.g.
3649 template <class T> class C { template <class U> class D; }
3650 template <> template <class U> class C<int>::D; */
3651 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
3652 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
3654 /* For a template instantiation TYPE, returns the TYPE corresponding
3655 to the primary template. Otherwise returns TYPE itself. */
3656 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
3657 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
3658 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
3659 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
3660 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
3663 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
3664 #define TYPE_TI_TEMPLATE(NODE) \
3665 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
3667 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
3668 #define TYPE_TI_ARGS(NODE) \
3669 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
3671 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
3673 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
3674 sense of [temp.mem]. */
3675 #define DECL_MEMBER_TEMPLATE_P(NODE) \
3676 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
3678 /* Nonzero if the NODE corresponds to the template parameters for a
3679 member template, whose inline definition is being processed after
3680 the class definition is complete. */
3681 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
3683 /* Determine if a declaration (PARM_DECL or FIELD_DECL) is a pack. */
3684 #define DECL_PACK_P(NODE) \
3685 (DECL_P (NODE) && PACK_EXPANSION_P (TREE_TYPE (NODE)))
3687 /* Determines if NODE is an expansion of one or more parameter packs,
3688 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
3689 #define PACK_EXPANSION_P(NODE) \
3690 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3691 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
3693 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
3694 EXPR_PACK_EXPANSION. */
3695 #define PACK_EXPANSION_PATTERN(NODE) \
3696 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION ? TREE_TYPE (NODE) \
3697 : TREE_OPERAND (NODE, 0))
3699 /* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or
3700 EXPR_PACK_EXPANSION. */
3701 #define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \
3702 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \
3703 TREE_TYPE (NODE) = VALUE; \
3705 TREE_OPERAND (NODE, 0) = VALUE
3707 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
3708 TREE_VALUE of each TREE_LIST contains the parameter packs. */
3709 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) \
3710 *(TREE_CODE (NODE) == EXPR_PACK_EXPANSION \
3711 ? &TREE_OPERAND (NODE, 1) \
3712 : &TYPE_MIN_VALUE_RAW (TYPE_PACK_EXPANSION_CHECK (NODE)))
3714 /* Any additional template args to be applied when substituting into
3715 the pattern, set by tsubst_pack_expansion for partial instantiations.
3716 If this is a TREE_LIST, the TREE_VALUE of the first element is the
3717 usual template argument TREE_VEC, and the TREE_PURPOSE of later elements
3718 are enclosing functions that provided function parameter packs we'll need
3719 to map appropriately. */
3720 #define PACK_EXPANSION_EXTRA_ARGS(NODE) \
3721 *(TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3722 ? &TYPE_MAX_VALUE_RAW (NODE) \
3723 : &TREE_OPERAND ((NODE), 2))
3725 /* True iff this pack expansion is within a function context. */
3726 #define PACK_EXPANSION_LOCAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
3728 /* True iff this pack expansion is for sizeof.... */
3729 #define PACK_EXPANSION_SIZEOF_P(NODE) TREE_LANG_FLAG_1 (NODE)
3731 /* True iff the wildcard can match a template parameter pack. */
3732 #define WILDCARD_PACK_P(NODE) TREE_LANG_FLAG_0 (NODE)
3734 /* Determine if this is an argument pack. */
3735 #define ARGUMENT_PACK_P(NODE) \
3736 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
3737 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
3739 /* The arguments stored in an argument pack. Arguments are stored in a
3740 TREE_VEC, which may have length zero. */
3741 #define ARGUMENT_PACK_ARGS(NODE) \
3742 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \
3743 : TREE_OPERAND (NODE, 0))
3745 /* Set the arguments stored in an argument pack. VALUE must be a
3747 #define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \
3748 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \
3749 TREE_TYPE (NODE) = VALUE; \
3751 TREE_OPERAND (NODE, 0) = VALUE
3753 /* Whether the argument pack is "incomplete", meaning that more
3754 arguments can still be deduced. Incomplete argument packs are only
3755 used when the user has provided an explicit template argument list
3756 for a variadic function template. Some of the explicit template
3757 arguments will be placed into the beginning of the argument pack,
3758 but additional arguments might still be deduced. */
3759 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
3760 TREE_ADDRESSABLE (ARGUMENT_PACK_ARGS (NODE))
3762 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
3763 arguments used to fill this pack. */
3764 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
3765 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
3767 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
3768 argument will be selected. */
3769 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
3770 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
3772 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
3774 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
3775 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
3777 #define FOLD_EXPR_CHECK(NODE) \
3778 TREE_CHECK4 (NODE, UNARY_LEFT_FOLD_EXPR, UNARY_RIGHT_FOLD_EXPR, \
3779 BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
3781 #define BINARY_FOLD_EXPR_CHECK(NODE) \
3782 TREE_CHECK2 (NODE, BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
3784 /* True if NODE is UNARY_FOLD_EXPR or a BINARY_FOLD_EXPR */
3785 #define FOLD_EXPR_P(NODE) \
3786 (TREE_CODE (NODE) == UNARY_LEFT_FOLD_EXPR \
3787 || TREE_CODE (NODE) == UNARY_RIGHT_FOLD_EXPR \
3788 || TREE_CODE (NODE) == BINARY_LEFT_FOLD_EXPR \
3789 || TREE_CODE (NODE) == BINARY_RIGHT_FOLD_EXPR)
3791 /* True when NODE is a fold over a compound assignment operator. */
3792 #define FOLD_EXPR_MODIFY_P(NODE) \
3793 TREE_LANG_FLAG_0 (FOLD_EXPR_CHECK (NODE))
3795 /* An INTEGER_CST containing the tree code of the folded operator. */
3796 #define FOLD_EXPR_OP(NODE) \
3797 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 0)
3799 /* The expression containing an unexpanded parameter pack. */
3800 #define FOLD_EXPR_PACK(NODE) \
3801 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 1)
3803 /* In a binary fold expression, the argument with no unexpanded
3805 #define FOLD_EXPR_INIT(NODE) \
3806 TREE_OPERAND (BINARY_FOLD_EXPR_CHECK (NODE), 2)
3808 /* In a FUNCTION_DECL, the saved auto-return pattern. */
3809 #define DECL_SAVED_AUTO_RETURN_TYPE(NODE) \
3810 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \
3811 ->u.saved_auto_return_type)
3813 /* True if NODE is an implicit INDIRECT_REF from convert_from_reference. */
3814 #define REFERENCE_REF_P(NODE) \
3815 (INDIRECT_REF_P (NODE) \
3816 && TREE_TYPE (TREE_OPERAND (NODE, 0)) \
3817 && TYPE_REF_P (TREE_TYPE (TREE_OPERAND ((NODE), 0))))
3819 /* True iff this represents an lvalue being treated as an rvalue during return
3820 or throw as per [class.copy.elision]. */
3821 #define IMPLICIT_RVALUE_P(NODE) \
3822 TREE_LANG_FLAG_3 (TREE_CHECK2 ((NODE), NON_LVALUE_EXPR, STATIC_CAST_EXPR))
3824 #define NEW_EXPR_USE_GLOBAL(NODE) \
3825 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
3826 #define DELETE_EXPR_USE_GLOBAL(NODE) \
3827 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
3828 #define DELETE_EXPR_USE_VEC(NODE) \
3829 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
3831 #define CALL_OR_AGGR_INIT_CHECK(NODE) \
3832 TREE_CHECK2 ((NODE), CALL_EXPR, AGGR_INIT_EXPR)
3834 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
3835 resolve to a function call. */
3836 #define COMPOUND_EXPR_OVERLOADED(NODE) \
3837 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
3839 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
3840 should be performed at instantiation time. */
3841 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
3843 /* True if the arguments to NODE should be evaluated in left-to-right
3844 order regardless of PUSH_ARGS_REVERSED. */
3845 #define CALL_EXPR_ORDERED_ARGS(NODE) \
3846 TREE_LANG_FLAG_3 (CALL_OR_AGGR_INIT_CHECK (NODE))
3848 /* True if the arguments to NODE should be evaluated in right-to-left
3849 order regardless of PUSH_ARGS_REVERSED. */
3850 #define CALL_EXPR_REVERSE_ARGS(NODE) \
3851 TREE_LANG_FLAG_5 (CALL_OR_AGGR_INIT_CHECK (NODE))
3853 /* True if CALL_EXPR was written as an operator expression, not a function
3855 #define CALL_EXPR_OPERATOR_SYNTAX(NODE) \
3856 TREE_LANG_FLAG_6 (CALL_OR_AGGR_INIT_CHECK (NODE))
3858 /* Indicates whether a string literal has been parenthesized. Such
3859 usages are disallowed in certain circumstances. */
3861 #define PAREN_STRING_LITERAL_P(NODE) \
3862 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
3864 /* Indicates whether a COMPONENT_REF or a SCOPE_REF has been parenthesized, or
3865 an INDIRECT_REF comes from parenthesizing a _DECL. Currently only set some
3866 of the time in C++14 mode. */
3868 #define REF_PARENTHESIZED_P(NODE) \
3869 TREE_LANG_FLAG_2 (TREE_CHECK4 ((NODE), COMPONENT_REF, INDIRECT_REF, SCOPE_REF, VIEW_CONVERT_EXPR))
3871 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
3872 constructor call, rather than an ordinary function call. */
3873 #define AGGR_INIT_VIA_CTOR_P(NODE) \
3874 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
3876 /* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize
3878 #define AGGR_INIT_ZERO_FIRST(NODE) \
3879 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE))
3881 /* Nonzero means that the call is the jump from a thunk to the
3882 thunked-to function. */
3883 #define AGGR_INIT_FROM_THUNK_P(NODE) \
3884 (AGGR_INIT_EXPR_CHECK (NODE)->base.protected_flag)
3886 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
3887 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
3888 CALL_EXPR_STATIC_CHAIN). */
3890 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
3891 #define AGGR_INIT_EXPR_SLOT(NODE) \
3892 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
3893 #define AGGR_INIT_EXPR_ARG(NODE, I) \
3894 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
3895 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
3897 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
3898 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
3899 the argument count is zero when checking is enabled. Instead, do
3900 the pointer arithmetic to advance past the 3 fixed operands in a
3901 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
3902 the operand array, even if it's not valid to dereference it. */
3903 #define AGGR_INIT_EXPR_ARGP(NODE) \
3904 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
3906 /* Abstract iterators for AGGR_INIT_EXPRs. */
3908 /* Structure containing iterator state. */
3909 struct aggr_init_expr_arg_iterator
{
3910 tree t
; /* the aggr_init_expr */
3911 int n
; /* argument count */
3912 int i
; /* next argument index */
3915 /* Initialize the abstract argument list iterator object ITER with the
3916 arguments from AGGR_INIT_EXPR node EXP. */
3918 init_aggr_init_expr_arg_iterator (tree exp
,
3919 aggr_init_expr_arg_iterator
*iter
)
3922 iter
->n
= aggr_init_expr_nargs (exp
);
3926 /* Return the next argument from abstract argument list iterator object ITER,
3927 and advance its state. Return NULL_TREE if there are no more arguments. */
3929 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator
*iter
)
3932 if (iter
->i
>= iter
->n
)
3934 result
= AGGR_INIT_EXPR_ARG (iter
->t
, iter
->i
);
3939 /* Initialize the abstract argument list iterator object ITER, then advance
3940 past and return the first argument. Useful in for expressions, e.g.
3941 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
3942 arg = next_aggr_init_expr_arg (&iter)) */
3944 first_aggr_init_expr_arg (tree exp
, aggr_init_expr_arg_iterator
*iter
)
3946 init_aggr_init_expr_arg_iterator (exp
, iter
);
3947 return next_aggr_init_expr_arg (iter
);
3950 /* Test whether there are more arguments in abstract argument list iterator
3951 ITER, without changing its state. */
3953 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator
*iter
)
3955 return (iter
->i
< iter
->n
);
3958 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
3959 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
3960 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
3961 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
3962 (arg) = next_aggr_init_expr_arg (&(iter)))
3964 /* VEC_INIT_EXPR accessors. */
3965 #define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 0)
3966 #define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 1)
3968 /* Indicates that a VEC_INIT_EXPR is a potential constant expression.
3969 Only set when the current function is constexpr. */
3970 #define VEC_INIT_EXPR_IS_CONSTEXPR(NODE) \
3971 TREE_LANG_FLAG_0 (VEC_INIT_EXPR_CHECK (NODE))
3973 /* Indicates that a VEC_INIT_EXPR is expressing value-initialization. */
3974 #define VEC_INIT_EXPR_VALUE_INIT(NODE) \
3975 TREE_LANG_FLAG_1 (VEC_INIT_EXPR_CHECK (NODE))
3977 /* The condition under which this MUST_NOT_THROW_EXPR actually blocks
3978 exceptions. NULL_TREE means 'true'. */
3979 #define MUST_NOT_THROW_COND(NODE) \
3980 TREE_OPERAND (MUST_NOT_THROW_EXPR_CHECK (NODE), 1)
3982 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
3983 TEMPLATE_DECL. This macro determines whether or not a given class
3984 type is really a template type, as opposed to an instantiation or
3985 specialization of one. */
3986 #define CLASSTYPE_IS_TEMPLATE(NODE) \
3987 (CLASSTYPE_TEMPLATE_INFO (NODE) \
3988 && !CLASSTYPE_USE_TEMPLATE (NODE) \
3989 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
3991 /* The name used by the user to name the typename type. Typically,
3992 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
3993 corresponding TYPE_DECL. However, this may also be a
3994 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
3995 #define TYPENAME_TYPE_FULLNAME(NODE) \
3996 (TYPE_VALUES_RAW (TYPENAME_TYPE_CHECK (NODE)))
3998 /* True if a TYPENAME_TYPE was declared as an "enum". */
3999 #define TYPENAME_IS_ENUM_P(NODE) \
4000 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
4002 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
4004 #define TYPENAME_IS_CLASS_P(NODE) \
4005 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
4007 /* True if a TYPENAME_TYPE is in the process of being resolved. */
4008 #define TYPENAME_IS_RESOLVING_P(NODE) \
4009 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
4013 A class that declares or inherits a virtual function is called a
4014 polymorphic class. */
4015 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
4017 /* Nonzero if this class has a virtual function table pointer. */
4018 #define TYPE_CONTAINS_VPTR_P(NODE) \
4019 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
4021 /* Nonzero if NODE is a FUNCTION_DECL or VARIABLE_DECL (for a decl
4022 with namespace scope) declared in a local scope. */
4023 #define DECL_LOCAL_DECL_P(NODE) \
4024 DECL_LANG_FLAG_0 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
4026 /* The namespace-scope decl a DECL_LOCAL_DECL_P aliases. */
4027 #define DECL_LOCAL_DECL_ALIAS(NODE) \
4028 DECL_ACCESS ((gcc_checking_assert (DECL_LOCAL_DECL_P (NODE)), NODE))
4030 /* Nonzero if NODE is the target for genericization of 'return' stmts
4031 in constructors/destructors of targetm.cxx.cdtor_returns_this targets. */
4032 #define LABEL_DECL_CDTOR(NODE) \
4033 DECL_LANG_FLAG_2 (LABEL_DECL_CHECK (NODE))
4035 /* True if NODE was declared with auto in its return type, but it has
4036 started compilation and so the return type might have been changed by
4037 return type deduction; its declared return type should be found in
4038 DECL_SAVED_AUTO_RETURN_TYPE (NODE). */
4039 #define FNDECL_USED_AUTO(NODE) \
4040 TREE_LANG_FLAG_2 (FUNCTION_DECL_CHECK (NODE))
4042 /* True if NODE is an undeclared builtin decl. As soon as the user
4043 declares it, the location will be updated. */
4044 #define DECL_UNDECLARED_BUILTIN_P(NODE) \
4045 (DECL_SOURCE_LOCATION(NODE) == BUILTINS_LOCATION)
4047 /* True for artificial decls added for OpenMP privatized non-static
4049 #define DECL_OMP_PRIVATIZED_MEMBER(NODE) \
4050 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.anticipated_p)
4052 /* Nonzero if NODE is an artificial FUNCTION_DECL for
4053 #pragma omp declare reduction. */
4054 #define DECL_OMP_DECLARE_REDUCTION_P(NODE) \
4055 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->omp_declare_reduction_p)
4057 /* Nonzero if DECL has been declared threadprivate by
4058 #pragma omp threadprivate. */
4059 #define CP_DECL_THREADPRIVATE_P(DECL) \
4060 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
4062 /* Nonzero if NODE is a VAR_DECL which has been declared inline. */
4063 #define DECL_VAR_DECLARED_INLINE_P(NODE) \
4064 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4065 ? DECL_LANG_SPECIFIC (NODE)->u.base.var_declared_inline_p \
4067 #define SET_DECL_VAR_DECLARED_INLINE_P(NODE) \
4068 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.var_declared_inline_p \
4071 /* True if NODE is a constant variable with a value-dependent initializer. */
4072 #define DECL_DEPENDENT_INIT_P(NODE) \
4073 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4074 && DECL_LANG_SPECIFIC (NODE)->u.base.dependent_init_p)
4075 #define SET_DECL_DEPENDENT_INIT_P(NODE, X) \
4076 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.dependent_init_p = (X))
4078 /* Nonzero if NODE is an artificial VAR_DECL for a C++17 structured binding
4079 declaration or one of VAR_DECLs for the user identifiers in it. */
4080 #define DECL_DECOMPOSITION_P(NODE) \
4081 (VAR_P (NODE) && DECL_LANG_SPECIFIC (NODE) \
4082 ? DECL_LANG_SPECIFIC (NODE)->u.base.selector == lds_decomp \
4085 /* The underlying artificial VAR_DECL for structured binding. */
4086 #define DECL_DECOMP_BASE(NODE) \
4087 (LANG_DECL_DECOMP_CHECK (NODE)->base)
4089 /* Nonzero if NODE is an inline VAR_DECL. In C++17, static data members
4090 declared with constexpr specifier are implicitly inline variables. */
4091 #define DECL_INLINE_VAR_P(NODE) \
4092 (DECL_VAR_DECLARED_INLINE_P (NODE) \
4093 || (cxx_dialect >= cxx17 \
4094 && DECL_DECLARED_CONSTEXPR_P (NODE) \
4095 && DECL_CLASS_SCOPE_P (NODE)))
4097 /* Nonzero if DECL was declared with '= delete'. */
4098 #define DECL_DELETED_FN(DECL) \
4099 (LANG_DECL_FN_CHECK (DECL)->min.base.threadprivate_or_deleted_p)
4101 /* Nonzero if DECL was declared with '= default' (maybe implicitly). */
4102 #define DECL_DEFAULTED_FN(DECL) \
4103 (LANG_DECL_FN_CHECK (DECL)->defaulted_p)
4105 /* Nonzero if DECL is explicitly defaulted in the class body. */
4106 #define DECL_DEFAULTED_IN_CLASS_P(DECL) \
4107 (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL))
4108 /* Nonzero if DECL was defaulted outside the class body. */
4109 #define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \
4110 (DECL_DEFAULTED_FN (DECL) \
4111 && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL)))
4113 /* Record whether a typedef for type `int' was actually `signed int'. */
4114 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
4116 /* Returns nonzero if DECL has external linkage, as specified by the
4117 language standard. (This predicate may hold even when the
4118 corresponding entity is not actually given external linkage in the
4119 object file; see decl_linkage for details.) */
4120 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
4121 (decl_linkage (DECL) == lk_external)
4123 /* Keep these codes in ascending code order. */
4125 #define INTEGRAL_CODE_P(CODE) \
4126 ((CODE) == ENUMERAL_TYPE \
4127 || (CODE) == BOOLEAN_TYPE \
4128 || (CODE) == INTEGER_TYPE)
4130 /* [basic.fundamental]
4132 Types bool, char, wchar_t, and the signed and unsigned integer types
4133 are collectively called integral types.
4135 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
4136 types as well, which is incorrect in C++. Keep these checks in
4137 ascending code order. */
4138 #define CP_INTEGRAL_TYPE_P(TYPE) \
4139 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
4140 || TREE_CODE (TYPE) == INTEGER_TYPE)
4142 /* Returns true if TYPE is an integral or enumeration name. Keep
4143 these checks in ascending code order. */
4144 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
4145 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
4147 /* Returns true if TYPE is an integral or unscoped enumeration type. */
4148 #define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
4149 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
4151 /* True if the class type TYPE is a literal type. */
4152 #define CLASSTYPE_LITERAL_P(TYPE) \
4153 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
4155 /* [basic.fundamental]
4157 Integral and floating types are collectively called arithmetic
4160 As a GNU extension, we also accept complex types.
4162 Keep these checks in ascending code order. */
4163 #define ARITHMETIC_TYPE_P(TYPE) \
4164 (CP_INTEGRAL_TYPE_P (TYPE) \
4165 || TREE_CODE (TYPE) == REAL_TYPE \
4166 || TREE_CODE (TYPE) == COMPLEX_TYPE)
4168 /* True iff TYPE is cv decltype(nullptr). */
4169 #define NULLPTR_TYPE_P(TYPE) (TREE_CODE (TYPE) == NULLPTR_TYPE)
4173 Arithmetic types, enumeration types, pointer types,
4174 pointer-to-member types, and std::nullptr_t are collectively called
4177 Keep these checks in ascending code order. */
4178 #define SCALAR_TYPE_P(TYPE) \
4179 (TYPE_PTRDATAMEM_P (TYPE) \
4180 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
4181 || ARITHMETIC_TYPE_P (TYPE) \
4182 || TYPE_PTR_P (TYPE) \
4183 || TYPE_PTRMEMFUNC_P (TYPE) \
4184 || NULLPTR_TYPE_P (TYPE))
4186 /* Determines whether this type is a C++0x scoped enumeration
4187 type. Scoped enumerations types are introduced via "enum class" or
4188 "enum struct", e.g.,
4194 Scoped enumeration types are different from normal (unscoped)
4195 enumeration types in several ways:
4197 - The enumerators of a scoped enumeration type are only available
4198 within the scope of the enumeration type and not in the
4199 enclosing scope. For example, the Red color can be referred to
4200 with "Color::Red" but not "Red".
4202 - Scoped enumerators and enumerations do not implicitly convert
4203 to integers or 'bool'.
4205 - The underlying type of the enum is well-defined. */
4206 #define SCOPED_ENUM_P(TYPE) \
4207 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_SCOPED (TYPE))
4209 /* Determine whether this is an unscoped enumeration type. */
4210 #define UNSCOPED_ENUM_P(TYPE) \
4211 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !ENUM_IS_SCOPED (TYPE))
4213 /* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
4214 enumeration type (1) or a normal (unscoped) enumeration type
4216 #define SET_SCOPED_ENUM_P(TYPE, VAL) \
4217 (ENUM_IS_SCOPED (TYPE) = (VAL))
4219 #define SET_OPAQUE_ENUM_P(TYPE, VAL) \
4220 (ENUM_IS_OPAQUE (TYPE) = (VAL))
4222 #define OPAQUE_ENUM_P(TYPE) \
4223 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_OPAQUE (TYPE))
4225 /* Determines whether an ENUMERAL_TYPE has an explicit
4227 #define ENUM_FIXED_UNDERLYING_TYPE_P(NODE) (TYPE_LANG_FLAG_5 (NODE))
4229 /* Returns the underlying type of the given enumeration type. The
4230 underlying type is determined in different ways, depending on the
4231 properties of the enum:
4233 - In C++0x, the underlying type can be explicitly specified, e.g.,
4235 enum E1 : char { ... } // underlying type is char
4237 - In a C++0x scoped enumeration, the underlying type is int
4238 unless otherwises specified:
4240 enum class E2 { ... } // underlying type is int
4242 - Otherwise, the underlying type is determined based on the
4243 values of the enumerators. In this case, the
4244 ENUM_UNDERLYING_TYPE will not be set until after the definition
4245 of the enumeration is completed by finish_enum. */
4246 #define ENUM_UNDERLYING_TYPE(TYPE) \
4247 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE))
4251 An aggregate is an array or a class with no user-provided
4252 constructors, no brace-or-equal-initializers for non-static data
4253 members, no private or protected non-static data members, no
4254 base classes, and no virtual functions.
4256 As an extension, we also treat vectors as aggregates. Keep these
4257 checks in ascending code order. */
4258 #define CP_AGGREGATE_TYPE_P(TYPE) \
4259 (gnu_vector_type_p (TYPE) \
4260 || TREE_CODE (TYPE) == ARRAY_TYPE \
4261 || (CLASS_TYPE_P (TYPE) && COMPLETE_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
4263 /* Nonzero for a class type means that the class type has a
4264 user-declared constructor. */
4265 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
4267 /* Nonzero means that the FUNCTION_TYPE or METHOD_TYPE has a
4268 late-specified return type. */
4269 #define TYPE_HAS_LATE_RETURN_TYPE(NODE) \
4270 (TYPE_LANG_FLAG_2 (FUNC_OR_METHOD_CHECK (NODE)))
4272 /* When appearing in an INDIRECT_REF, it means that the tree structure
4273 underneath is actually a call to a constructor. This is needed
4274 when the constructor must initialize local storage (which can
4275 be automatically destroyed), rather than allowing it to allocate
4276 space from the heap.
4278 When appearing in a SAVE_EXPR, it means that underneath
4279 is a call to a constructor.
4281 When appearing in a CONSTRUCTOR, the expression is a
4284 When appearing in a FIELD_DECL, it means that this field
4285 has been duly initialized in its constructor. */
4286 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
4288 /* True if NODE is a brace-enclosed initializer. */
4289 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
4290 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
4292 /* True if NODE is a compound-literal, i.e., a brace-enclosed
4293 initializer cast to a particular type. */
4294 #define COMPOUND_LITERAL_P(NODE) \
4295 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
4297 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
4298 && vec_safe_is_empty(CONSTRUCTOR_ELTS(NODE))\
4299 && !TREE_HAS_CONSTRUCTOR (NODE))
4301 /* True if NODE is a init-list used as a direct-initializer, i.e.
4302 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
4303 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
4305 /* True if this CONSTRUCTOR is instantiation-dependent and needs to be
4307 #define CONSTRUCTOR_IS_DEPENDENT(NODE) \
4308 (TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (NODE)))
4310 /* True if this CONSTRUCTOR should not be used as a variable initializer
4311 because it was loaded from a constexpr variable with mutable fields. */
4312 #define CONSTRUCTOR_MUTABLE_POISON(NODE) \
4313 (TREE_LANG_FLAG_2 (CONSTRUCTOR_CHECK (NODE)))
4315 /* True if this typed CONSTRUCTOR represents C99 compound-literal syntax rather
4316 than C++11 functional cast syntax. */
4317 #define CONSTRUCTOR_C99_COMPOUND_LITERAL(NODE) \
4318 (TREE_LANG_FLAG_3 (CONSTRUCTOR_CHECK (NODE)))
4320 /* True if this CONSTRUCTOR contains PLACEHOLDER_EXPRs referencing the
4321 CONSTRUCTOR's type not nested inside another CONSTRUCTOR marked with
4322 CONSTRUCTOR_PLACEHOLDER_BOUNDARY. */
4323 #define CONSTRUCTOR_PLACEHOLDER_BOUNDARY(NODE) \
4324 (TREE_LANG_FLAG_5 (CONSTRUCTOR_CHECK (NODE)))
4326 #define DIRECT_LIST_INIT_P(NODE) \
4327 (BRACE_ENCLOSED_INITIALIZER_P (NODE) && CONSTRUCTOR_IS_DIRECT_INIT (NODE))
4329 /* True if this is a designated initializer (when we allow initializer-clauses
4330 mixed with designated-initializer-clauses set whenever there is at least
4331 one designated-initializer-clause), or a C99 designator. */
4332 #define CONSTRUCTOR_IS_DESIGNATED_INIT(NODE) \
4333 (TREE_LANG_FLAG_6 (CONSTRUCTOR_CHECK (NODE)))
4335 /* True if this CONSTRUCTOR comes from a parenthesized list of values, e.g.
4337 #define CONSTRUCTOR_IS_PAREN_INIT(NODE) \
4338 (CONSTRUCTOR_CHECK(NODE)->base.private_flag)
4340 /* True if NODE represents a conversion for direct-initialization in a
4341 template. Set by perform_implicit_conversion_flags. */
4342 #define IMPLICIT_CONV_EXPR_DIRECT_INIT(NODE) \
4343 (TREE_LANG_FLAG_0 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4345 /* True if NODE represents a dependent conversion of a non-type template
4346 argument. Set by maybe_convert_nontype_argument. */
4347 #define IMPLICIT_CONV_EXPR_NONTYPE_ARG(NODE) \
4348 (TREE_LANG_FLAG_1 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4350 /* True if NODE represents a conversion for braced-init-list in a
4351 template. Set by perform_implicit_conversion_flags. */
4352 #define IMPLICIT_CONV_EXPR_BRACED_INIT(NODE) \
4353 (TREE_LANG_FLAG_2 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4355 /* Nonzero means that an object of this type cannot be initialized using
4356 an initializer list. */
4357 #define CLASSTYPE_NON_AGGREGATE(NODE) \
4358 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
4359 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
4360 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
4362 /* Nonzero if there is a non-trivial X::op=(cv X&) for this class. */
4363 #define TYPE_HAS_COMPLEX_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_assign)
4365 /* Nonzero if there is a non-trivial X::X(cv X&) for this class. */
4366 #define TYPE_HAS_COMPLEX_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_ctor)
4368 /* Nonzero if there is a non-trivial X::op=(X&&) for this class. */
4369 #define TYPE_HAS_COMPLEX_MOVE_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_assign)
4371 /* Nonzero if there is a non-trivial X::X(X&&) for this class. */
4372 #define TYPE_HAS_COMPLEX_MOVE_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_ctor)
4374 /* Nonzero if there is no trivial default constructor for this class. */
4375 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
4377 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
4379 A destructor is trivial if it is an implicitly declared
4382 - all of the direct base classes of its class have trivial
4385 - for all of the non-static data members of its class that are
4386 of class type (or array thereof), each such class has a
4387 trivial destructor. */
4388 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
4389 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
4391 /* Nonzero for _TYPE node means that this type does not have a trivial
4392 destructor. Therefore, destroying an object of this type will
4393 involve a call to a destructor. This can apply to objects of
4394 ARRAY_TYPE if the type of the elements needs a destructor. */
4395 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
4396 (TYPE_LANG_FLAG_4 (NODE))
4398 /* Nonzero for class type means that the default constructor is trivial. */
4399 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
4400 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
4402 /* Nonzero for class type means that copy initialization of this type can use
4404 #define TYPE_HAS_TRIVIAL_COPY_CTOR(NODE) \
4405 (TYPE_HAS_COPY_CTOR (NODE) && ! TYPE_HAS_COMPLEX_COPY_CTOR (NODE))
4407 /* Nonzero for class type means that assignment of this type can use
4409 #define TYPE_HAS_TRIVIAL_COPY_ASSIGN(NODE) \
4410 (TYPE_HAS_COPY_ASSIGN (NODE) && ! TYPE_HAS_COMPLEX_COPY_ASSIGN (NODE))
4412 /* Returns true if NODE is a pointer-to-data-member. */
4413 #define TYPE_PTRDATAMEM_P(NODE) \
4414 (TREE_CODE (NODE) == OFFSET_TYPE)
4416 /* Returns true if NODE is a pointer. */
4417 #define TYPE_PTR_P(NODE) \
4418 (TREE_CODE (NODE) == POINTER_TYPE)
4420 /* Returns true if NODE is a reference. */
4421 #define TYPE_REF_P(NODE) \
4422 (TREE_CODE (NODE) == REFERENCE_TYPE)
4424 /* Returns true if NODE is a pointer or a reference. */
4425 #define INDIRECT_TYPE_P(NODE) \
4426 (TYPE_PTR_P (NODE) || TYPE_REF_P (NODE))
4428 /* Returns true if NODE is an object type:
4432 An object type is a (possibly cv-qualified) type that is not a
4433 function type, not a reference type, and not a void type.
4435 Keep these checks in ascending order, for speed. */
4436 #define TYPE_OBJ_P(NODE) \
4437 (!TYPE_REF_P (NODE) \
4438 && !VOID_TYPE_P (NODE) \
4439 && !FUNC_OR_METHOD_TYPE_P (NODE))
4441 /* Returns true if NODE is a pointer to an object. Keep these checks
4442 in ascending tree code order. */
4443 #define TYPE_PTROB_P(NODE) \
4444 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4446 /* Returns true if NODE is a reference to an object. Keep these checks
4447 in ascending tree code order. */
4448 #define TYPE_REF_OBJ_P(NODE) \
4449 (TYPE_REF_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4451 /* Returns true if NODE is a pointer to an object, or a pointer to
4452 void. Keep these checks in ascending tree code order. */
4453 #define TYPE_PTROBV_P(NODE) \
4454 (TYPE_PTR_P (NODE) \
4455 && !FUNC_OR_METHOD_TYPE_P (TREE_TYPE (NODE)))
4457 /* Returns true if NODE is a pointer to function type. */
4458 #define TYPE_PTRFN_P(NODE) \
4459 (TYPE_PTR_P (NODE) \
4460 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4462 /* Returns true if NODE is a reference to function type. */
4463 #define TYPE_REFFN_P(NODE) \
4464 (TYPE_REF_P (NODE) \
4465 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4467 /* Returns true if NODE is a pointer to member function type. */
4468 #define TYPE_PTRMEMFUNC_P(NODE) \
4469 (TREE_CODE (NODE) == RECORD_TYPE \
4470 && TYPE_PTRMEMFUNC_FLAG (NODE))
4472 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
4473 (TYPE_LANG_FLAG_2 (RECORD_TYPE_CHECK (NODE)))
4475 /* Returns true if NODE is a pointer-to-member. */
4476 #define TYPE_PTRMEM_P(NODE) \
4477 (TYPE_PTRDATAMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
4479 /* Returns true if NODE is a pointer or a pointer-to-member. */
4480 #define TYPE_PTR_OR_PTRMEM_P(NODE) \
4481 (TYPE_PTR_P (NODE) || TYPE_PTRMEM_P (NODE))
4483 /* Indicates when overload resolution may resolve to a pointer to
4484 member function. [expr.unary.op]/3 */
4485 #define PTRMEM_OK_P(NODE) \
4486 TREE_LANG_FLAG_0 (TREE_CHECK3 ((NODE), ADDR_EXPR, OFFSET_REF, SCOPE_REF))
4488 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
4489 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
4490 before using this macro. */
4491 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
4492 (cp_build_qualified_type (TREE_TYPE (TYPE_FIELDS (NODE)),\
4493 cp_type_quals (NODE)))
4495 /* As above, but can be used in places that want an lvalue at the expense
4496 of not necessarily having the correct cv-qualifiers. */
4497 #define TYPE_PTRMEMFUNC_FN_TYPE_RAW(NODE) \
4498 (TREE_TYPE (TYPE_FIELDS (NODE)))
4500 /* Returns `A' for a type like `int (A::*)(double)' */
4501 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
4502 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4504 /* The canonical internal RECORD_TYPE from the POINTER_TYPE to
4506 #define TYPE_PTRMEMFUNC_TYPE(NODE) \
4507 TYPE_LANG_SLOT_1 (NODE)
4509 /* For a pointer-to-member type of the form `T X::*', this is `X'.
4510 For a type like `void (X::*)() const', this type is `X', not `const
4511 X'. To get at the `const X' you have to look at the
4512 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
4514 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
4515 (TYPE_PTRDATAMEM_P (NODE) \
4516 ? TYPE_OFFSET_BASETYPE (NODE) \
4517 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
4519 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
4520 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
4521 (TYPE_PTRDATAMEM_P (NODE) \
4522 ? TREE_TYPE (NODE) \
4523 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4525 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
4527 #define PTRMEM_CST_CLASS(NODE) \
4528 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
4530 /* For a pointer-to-member constant `X::Y' this is the _DECL for
4532 #define PTRMEM_CST_MEMBER(NODE) \
4533 (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
4535 /* The expression in question for a TYPEOF_TYPE. */
4536 #define TYPEOF_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (TYPEOF_TYPE_CHECK (NODE)))
4538 /* The type in question for an UNDERLYING_TYPE. */
4539 #define UNDERLYING_TYPE_TYPE(NODE) \
4540 (TYPE_VALUES_RAW (UNDERLYING_TYPE_CHECK (NODE)))
4542 /* The type in question for BASES. */
4543 #define BASES_TYPE(NODE) \
4544 (TYPE_VALUES_RAW (BASES_CHECK (NODE)))
4546 #define BASES_DIRECT(NODE) \
4547 TREE_LANG_FLAG_0 (BASES_CHECK (NODE))
4549 /* The expression in question for a DECLTYPE_TYPE. */
4550 #define DECLTYPE_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (DECLTYPE_TYPE_CHECK (NODE)))
4552 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
4553 id-expression or a member-access expression. When false, it was
4554 parsed as a full expression. */
4555 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
4556 (DECLTYPE_TYPE_CHECK (NODE))->type_common.string_flag
4558 /* These flags indicate that we want different semantics from normal
4559 decltype: lambda capture just drops references,
4560 lambda proxies look through implicit dereference. */
4561 #define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
4562 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
4563 #define DECLTYPE_FOR_LAMBDA_PROXY(NODE) \
4564 TREE_LANG_FLAG_2 (DECLTYPE_TYPE_CHECK (NODE))
4565 #define DECLTYPE_FOR_REF_CAPTURE(NODE) \
4566 TREE_LANG_FLAG_3 (DECLTYPE_TYPE_CHECK (NODE))
4568 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
4569 specified in its declaration. This can also be set for an
4570 erroneously declared PARM_DECL. */
4571 #define DECL_THIS_EXTERN(NODE) \
4572 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4574 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
4575 specified in its declaration. This can also be set for an
4576 erroneously declared PARM_DECL. */
4577 #define DECL_THIS_STATIC(NODE) \
4578 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4580 /* Nonzero for FIELD_DECL node means that this field is a lambda capture
4581 field for an array of runtime bound. */
4582 #define DECL_VLA_CAPTURE_P(NODE) \
4583 DECL_LANG_FLAG_1 (FIELD_DECL_CHECK (NODE))
4585 /* Nonzero for PARM_DECL node means that this is an array function
4586 parameter, i.e, a[] rather than *a. */
4587 #define DECL_ARRAY_PARAMETER_P(NODE) \
4588 DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE))
4590 /* Nonzero for a FIELD_DECL who's NSMDI is currently being
4592 #define DECL_INSTANTIATING_NSDMI_P(NODE) \
4593 DECL_LANG_FLAG_2 (FIELD_DECL_CHECK (NODE))
4595 /* Nonzero for FIELD_DECL node means that this field is a base class
4596 of the parent object, as opposed to a member field. */
4597 #define DECL_FIELD_IS_BASE(NODE) \
4598 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
4600 /* Nonzero for FIELD_DECL node means that this field is a simple (no
4601 explicit initializer) lambda capture field, making it invisible to
4602 name lookup in unevaluated contexts. */
4603 #define DECL_NORMAL_CAPTURE_P(NODE) \
4604 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
4606 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
4607 flag for this because "A union for which objects or pointers are
4608 declared is not an anonymous union" [class.union]. */
4609 #define ANON_AGGR_TYPE_P(NODE) \
4610 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
4611 #define SET_ANON_AGGR_TYPE_P(NODE) \
4612 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
4614 /* Nonzero if TYPE is an anonymous union type. */
4615 #define ANON_UNION_TYPE_P(NODE) \
4616 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
4618 /* Define fields and accessors for nodes representing declared names. */
4620 /* True if TYPE is an unnamed structured type with a typedef for
4621 linkage purposes. In that case TYPE_NAME and TYPE_STUB_DECL of the
4622 MAIN-VARIANT are different. */
4623 #define TYPE_WAS_UNNAMED(NODE) \
4624 (TYPE_NAME (TYPE_MAIN_VARIANT (NODE)) \
4625 != TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
4627 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
4629 /* The format of each node in the DECL_FRIENDLIST is as follows:
4631 The TREE_PURPOSE will be the name of a function, i.e., an
4632 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
4633 TREE_VALUEs are friends with the given name. */
4634 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
4635 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
4636 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
4638 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
4639 each node is a type; the TREE_VALUE is the access granted for this
4640 DECL in that type. The DECL_ACCESS is set by access declarations.
4641 For example, if a member that would normally be public in a
4642 derived class is made protected, then the derived class and the
4643 protected_access_node will appear in the DECL_ACCESS for the node. */
4644 #define DECL_ACCESS(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
4646 /* Nonzero if the FUNCTION_DECL is a global constructor. */
4647 #define DECL_GLOBAL_CTOR_P(NODE) \
4648 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p)
4650 /* Nonzero if the FUNCTION_DECL is a global destructor. */
4651 #define DECL_GLOBAL_DTOR_P(NODE) \
4652 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p)
4654 /* Accessor macros for C++ template decl nodes. */
4656 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
4657 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
4658 template parameters, with 1 being the outermost set of template
4659 parameters. The TREE_VALUE is a vector, whose elements are the
4660 template parameters at each level. Each element in the vector is a
4661 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
4662 non-type parameter), or a TYPE_DECL (if the parameter is a type
4663 parameter) or a TEMPLATE_DECL (if the parameter is a template
4664 parameter). The TREE_PURPOSE is the default value, if any. The
4665 TEMPLATE_PARM_INDEX for the parameter is available as the
4666 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
4669 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4670 tree is converted to C++ class hiearchy. */
4671 #define DECL_TEMPLATE_PARMS(NODE) \
4672 ((struct tree_template_decl *)CONST_CAST_TREE (TEMPLATE_DECL_CHECK (NODE)))->arguments
4673 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
4674 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
4675 #define DECL_NTPARMS(NODE) \
4676 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
4677 /* For function, method, class-data templates.
4679 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4680 tree is converted to C++ class hiearchy. */
4681 #define DECL_TEMPLATE_RESULT(NODE) \
4682 ((struct tree_template_decl *)CONST_CAST_TREE(TEMPLATE_DECL_CHECK (NODE)))->result
4683 /* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS
4684 lists all instantiations and specializations of the function so that
4685 tsubst_friend_function can reassign them to another template if we find
4686 that the namespace-scope template is really a partial instantiation of a
4689 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
4690 all instantiations and specializations of the class type, including
4691 partial instantiations and partial specializations, so that if we
4692 explicitly specialize a partial instantiation we can walk the list
4693 in maybe_process_partial_specialization and reassign them or complain
4696 In both cases, the TREE_PURPOSE of each node contains the arguments
4697 used; the TREE_VALUE contains the generated variable. The template
4698 arguments are always complete. For example, given:
4700 template <class T> struct S1 {
4701 template <class U> struct S2 {};
4702 template <class U> struct S2<U*> {};
4705 the record for the partial specialization will contain, as its
4706 argument list, { {T}, {U*} }, and will be on the
4707 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
4708 <class U> struct S1<T>::S2'.
4710 This list is not used for other templates. */
4711 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) \
4712 DECL_SIZE_UNIT (TEMPLATE_DECL_CHECK (NODE))
4714 /* For a class template, this list contains the partial
4715 specializations of this template. (Full specializations are not
4716 recorded on this list.) The TREE_PURPOSE holds the arguments used
4717 in the partial specialization (e.g., for `template <class T> struct
4718 S<T*, int>' this will be `T*, int'.) The arguments will also include
4719 any outer template arguments. The TREE_VALUE holds the TEMPLATE_DECL
4720 for the partial specialization. The TREE_TYPE is the _TYPE node for
4721 the partial specialization.
4723 This list is not used for other templates. */
4724 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) \
4725 DECL_SIZE (TEMPLATE_DECL_CHECK (NODE))
4727 /* Nonzero for a DECL which is actually a template parameter. Keep
4728 these checks in ascending tree code order. */
4729 #define DECL_TEMPLATE_PARM_P(NODE) \
4730 (DECL_LANG_FLAG_0 (NODE) \
4731 && (TREE_CODE (NODE) == CONST_DECL \
4732 || TREE_CODE (NODE) == PARM_DECL \
4733 || TREE_CODE (NODE) == TYPE_DECL \
4734 || TREE_CODE (NODE) == TEMPLATE_DECL))
4736 /* Nonzero for a raw template parameter node. */
4737 #define TEMPLATE_PARM_P(NODE) \
4738 (TREE_CODE (NODE) == TEMPLATE_TYPE_PARM \
4739 || TREE_CODE (NODE) == TEMPLATE_TEMPLATE_PARM \
4740 || TREE_CODE (NODE) == TEMPLATE_PARM_INDEX)
4742 /* Mark NODE as a template parameter. */
4743 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
4744 (DECL_LANG_FLAG_0 (NODE) = 1)
4746 /* Nonzero if NODE is a template template parameter. */
4747 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
4748 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
4750 /* Nonzero for a DECL that represents a function template. */
4751 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
4752 (TREE_CODE (NODE) == TEMPLATE_DECL \
4753 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
4754 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
4756 /* Nonzero for a DECL that represents a class template or alias
4758 #define DECL_TYPE_TEMPLATE_P(NODE) \
4759 (TREE_CODE (NODE) == TEMPLATE_DECL \
4760 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
4761 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL)
4763 /* Nonzero for a DECL that represents a class template. */
4764 #define DECL_CLASS_TEMPLATE_P(NODE) \
4765 (DECL_TYPE_TEMPLATE_P (NODE) \
4766 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE)))
4768 /* Nonzero for a TEMPLATE_DECL that represents an alias template. */
4769 #define DECL_ALIAS_TEMPLATE_P(NODE) \
4770 (DECL_TYPE_TEMPLATE_P (NODE) \
4771 && !DECL_ARTIFICIAL (DECL_TEMPLATE_RESULT (NODE)))
4773 /* Nonzero for a NODE which declares a type. */
4774 #define DECL_DECLARES_TYPE_P(NODE) \
4775 (TREE_CODE (NODE) == TYPE_DECL || DECL_TYPE_TEMPLATE_P (NODE))
4777 /* Nonzero if NODE declares a function. */
4778 #define DECL_DECLARES_FUNCTION_P(NODE) \
4779 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE))
4781 /* Nonzero if NODE is the typedef implicitly generated for a type when
4782 the type is declared. In C++, `struct S {};' is roughly
4783 equivalent to `struct S {}; typedef struct S S;' in C.
4784 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
4785 example. In C++, there is a second implicit typedef for each
4786 class, called the injected-class-name, in the scope of `S' itself, so that
4787 you can say `S::S'. DECL_SELF_REFERENCE_P will hold for that typedef. */
4788 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
4789 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
4790 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
4791 (DECL_LANG_FLAG_2 (NODE) = 1)
4792 #define DECL_SELF_REFERENCE_P(NODE) \
4793 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
4794 #define SET_DECL_SELF_REFERENCE_P(NODE) \
4795 (DECL_LANG_FLAG_4 (NODE) = 1)
4797 /* A `primary' template is one that has its own template header and is not
4798 a partial specialization. A member function of a class template is a
4799 template, but not primary. A member template is primary. Friend
4800 templates are primary, too. */
4802 /* Returns the primary template corresponding to these parameters. */
4803 #define TPARMS_PRIMARY_TEMPLATE(NODE) (TREE_TYPE (NODE))
4805 #define DECL_PRIMARY_TEMPLATE(NODE) \
4806 (TPARMS_PRIMARY_TEMPLATE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
4808 /* Returns nonzero if NODE is a primary template. */
4809 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
4811 /* Nonzero iff NODE is a specialization of a template. The value
4812 indicates the type of specializations:
4814 1=implicit instantiation
4816 2=partial or explicit specialization, e.g.:
4818 template <> int min<int> (int, int),
4820 3=explicit instantiation, e.g.:
4822 template int min<int> (int, int);
4824 Note that NODE will be marked as a specialization even if the
4825 template it is instantiating is not a primary template. For
4828 template <typename T> struct O {
4833 both O<int>::f and O<int>::I will be marked as instantiations.
4835 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
4837 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template)
4839 /* Like DECL_USE_TEMPLATE, but for class types. */
4840 #define CLASSTYPE_USE_TEMPLATE(NODE) \
4841 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
4843 /* True if NODE is a specialization of a primary template. */
4844 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
4845 (CLASS_TYPE_P (NODE) \
4846 && CLASSTYPE_USE_TEMPLATE (NODE) \
4847 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
4849 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
4850 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
4851 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
4853 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
4854 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
4856 /* Returns true for an explicit or partial specialization of a class
4858 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4859 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
4860 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4861 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
4863 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
4864 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
4865 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4866 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
4867 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4868 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
4870 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
4871 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
4872 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4873 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
4874 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4875 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
4877 /* Nonzero if DECL is a friend function which is an instantiation
4878 from the point of view of the compiler, but not from the point of
4879 view of the language. For example given:
4880 template <class T> struct S { friend void f(T) {}; };
4881 the declaration of `void f(int)' generated when S<int> is
4882 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
4883 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
4884 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
4885 (DECL_LANG_SPECIFIC (DECL) && DECL_TEMPLATE_INFO (DECL) \
4886 && !DECL_USE_TEMPLATE (DECL))
4888 /* Nonzero if DECL is a function generated from a function 'temploid',
4889 i.e. template, member of class template, or dependent friend. */
4890 #define DECL_TEMPLOID_INSTANTIATION(DECL) \
4891 (DECL_TEMPLATE_INSTANTIATION (DECL) \
4892 || DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (DECL))
4894 /* Nonzero if DECL is either defined implicitly by the compiler or
4895 generated from a temploid. */
4896 #define DECL_GENERATED_P(DECL) \
4897 (DECL_TEMPLOID_INSTANTIATION (DECL) || DECL_DEFAULTED_FN (DECL))
4899 /* Nonzero iff we are currently processing a declaration for an
4900 entity with its own template parameter list, and which is not a
4901 full specialization. */
4902 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
4903 (!processing_template_parmlist \
4904 && processing_template_decl > template_class_depth (current_scope ()))
4906 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
4907 instantiated, i.e. its definition has been generated from the
4908 pattern given in the template. */
4909 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
4910 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
4912 /* We know what we're doing with this decl now. */
4913 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
4915 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
4916 so that assemble_external will work properly. So we have this flag to
4917 tell us whether the decl is really not external.
4919 This flag does not indicate whether or not the decl is defined in the
4920 current translation unit; it indicates whether or not we should emit the
4921 decl at the end of compilation if it is defined and needed. */
4922 #define DECL_NOT_REALLY_EXTERN(NODE) \
4923 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern)
4925 #define DECL_REALLY_EXTERN(NODE) \
4926 (DECL_EXTERNAL (NODE) \
4927 && (!DECL_LANG_SPECIFIC (NODE) || !DECL_NOT_REALLY_EXTERN (NODE)))
4929 /* A thunk is a stub function.
4931 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
4932 The address of the ordinary FUNCTION_DECL is given by the
4933 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
4934 FUNCTION_DECL. The job of the thunk is to either adjust the this
4935 pointer before transferring control to the FUNCTION_DECL, or call
4936 FUNCTION_DECL and then adjust the result value. Note, the result
4937 pointer adjusting thunk must perform a call to the thunked
4938 function, (or be implemented via passing some invisible parameter
4939 to the thunked function, which is modified to perform the
4940 adjustment just before returning).
4942 A thunk may perform either, or both, of the following operations:
4944 o Adjust the this or result pointer by a constant offset.
4945 o Adjust the this or result pointer by looking up a vcall or vbase offset
4948 A this pointer adjusting thunk converts from a base to a derived
4949 class, and hence adds the offsets. A result pointer adjusting thunk
4950 converts from a derived class to a base, and hence subtracts the
4951 offsets. If both operations are performed, then the constant
4952 adjustment is performed first for this pointer adjustment and last
4953 for the result pointer adjustment.
4955 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
4956 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
4957 used. For this pointer adjusting thunks, it is the vcall offset
4958 into the vtable. For result pointer adjusting thunks it is the
4959 binfo of the virtual base to convert to. Use that binfo's vbase
4962 It is possible to have equivalent covariant thunks. These are
4963 distinct virtual covariant thunks whose vbase offsets happen to
4964 have the same value. THUNK_ALIAS is used to pick one as the
4965 canonical thunk, which will get all the this pointer adjusting
4966 thunks attached to it. */
4968 /* An integer indicating how many bytes should be subtracted from the
4969 this or result pointer when this function is called. */
4970 #define THUNK_FIXED_OFFSET(DECL) \
4971 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset)
4973 /* A tree indicating how to perform the virtual adjustment. For a this
4974 adjusting thunk it is the number of bytes to be added to the vtable
4975 to find the vcall offset. For a result adjusting thunk, it is the
4976 binfo of the relevant virtual base. If NULL, then there is no
4977 virtual adjust. (The vptr is always located at offset zero from
4978 the this or result pointer.) (If the covariant type is within the
4979 class hierarchy being laid out, the vbase index is not yet known
4980 at the point we need to create the thunks, hence the need to use
4983 #define THUNK_VIRTUAL_OFFSET(DECL) \
4984 (LANG_DECL_MIN_CHECK (FUNCTION_DECL_CHECK (DECL))->access)
4986 /* A thunk which is equivalent to another thunk. */
4987 #define THUNK_ALIAS(DECL) \
4988 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info)
4990 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
4991 possible for the target to be a thunk too. */
4992 #define THUNK_TARGET(NODE) \
4993 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
4995 /* True for a SCOPE_REF iff the "template" keyword was used to
4996 indicate that the qualified name denotes a template. */
4997 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
4998 (TREE_LANG_FLAG_1 (SCOPE_REF_CHECK (NODE)))
5003 /* True if NODE is a co-routine FUNCTION_DECL. */
5004 #define DECL_COROUTINE_P(NODE) \
5005 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->coroutine_p)
5007 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
5008 as an expr in operand 1, and integer_zero_node or clauses in operand 0. */
5009 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
5010 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST \
5011 || TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == OMP_CLAUSE)
5013 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
5014 #define OMP_FOR_GIMPLIFYING_P(NODE) \
5015 (TREE_LANG_FLAG_0 (OMP_LOOPING_CHECK (NODE)))
5017 /* A language-specific token attached to the OpenMP data clauses to
5018 hold code (or code fragments) related to ctors, dtors, and op=.
5019 See semantics.c for details. */
5020 #define CP_OMP_CLAUSE_INFO(NODE) \
5021 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
5022 OMP_CLAUSE__CONDTEMP_))
5024 /* Nonzero if this transaction expression's body contains statements. */
5025 #define TRANSACTION_EXPR_IS_STMT(NODE) \
5026 TREE_LANG_FLAG_0 (TRANSACTION_EXPR_CHECK (NODE))
5028 /* These macros provide convenient access to the various _STMT nodes
5029 created when parsing template declarations. */
5030 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
5031 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
5033 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
5034 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
5036 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
5038 /* Nonzero if this try block is a function try block. */
5039 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
5040 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
5041 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
5042 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
5044 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
5045 and the VAR_DECL for which this cleanup exists. */
5046 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
5047 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
5048 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
5050 /* IF_STMT accessors. These give access to the condition of the if
5051 statement, the then block of the if statement, and the else block
5052 of the if statement if it exists. */
5053 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
5054 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
5055 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
5056 #define IF_SCOPE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 3)
5057 #define IF_STMT_CONSTEXPR_P(NODE) TREE_LANG_FLAG_0 (IF_STMT_CHECK (NODE))
5059 /* Like PACK_EXPANSION_EXTRA_ARGS, for constexpr if. IF_SCOPE is used while
5060 building an IF_STMT; IF_STMT_EXTRA_ARGS is used after it is complete. */
5061 #define IF_STMT_EXTRA_ARGS(NODE) IF_SCOPE (NODE)
5063 /* RANGE_FOR_STMT accessors. These give access to the declarator,
5064 expression, body, and scope of the statement, respectively. */
5065 #define RANGE_FOR_DECL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 0)
5066 #define RANGE_FOR_EXPR(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 1)
5067 #define RANGE_FOR_BODY(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 2)
5068 #define RANGE_FOR_SCOPE(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 3)
5069 #define RANGE_FOR_UNROLL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 4)
5070 #define RANGE_FOR_INIT_STMT(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 5)
5071 #define RANGE_FOR_IVDEP(NODE) TREE_LANG_FLAG_6 (RANGE_FOR_STMT_CHECK (NODE))
5073 /* STMT_EXPR accessor. */
5074 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
5076 /* EXPR_STMT accessor. This gives the expression associated with an
5077 expression statement. */
5078 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
5080 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
5081 discard it if it isn't useful. */
5082 #define TARGET_EXPR_IMPLICIT_P(NODE) \
5083 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
5085 /* True if this TARGET_EXPR is the result of list-initialization of a
5087 #define TARGET_EXPR_LIST_INIT_P(NODE) \
5088 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
5090 /* True if this TARGET_EXPR expresses direct-initialization of an object
5091 to be named later. */
5092 #define TARGET_EXPR_DIRECT_INIT_P(NODE) \
5093 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
5095 /* True if NODE is a TARGET_EXPR that just expresses a copy of its INITIAL; if
5096 the initializer has void type, it's doing something more complicated. */
5097 #define SIMPLE_TARGET_EXPR_P(NODE) \
5098 (TREE_CODE (NODE) == TARGET_EXPR \
5099 && TARGET_EXPR_INITIAL (NODE) \
5100 && !VOID_TYPE_P (TREE_TYPE (TARGET_EXPR_INITIAL (NODE))))
5102 /* True if EXPR expresses direct-initialization of a TYPE. */
5103 #define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
5104 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
5105 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
5107 /* True if this CONVERT_EXPR is for a conversion to virtual base in
5108 an NSDMI, and should be re-evaluated when used in a constructor. */
5109 #define CONVERT_EXPR_VBASE_PATH(NODE) \
5110 TREE_LANG_FLAG_0 (CONVERT_EXPR_CHECK (NODE))
5112 /* True if SIZEOF_EXPR argument is type. */
5113 #define SIZEOF_EXPR_TYPE_P(NODE) \
5114 TREE_LANG_FLAG_0 (SIZEOF_EXPR_CHECK (NODE))
5116 /* True if the ALIGNOF_EXPR was spelled "alignof". */
5117 #define ALIGNOF_EXPR_STD_P(NODE) \
5118 TREE_LANG_FLAG_0 (ALIGNOF_EXPR_CHECK (NODE))
5120 /* OMP_DEPOBJ accessors. These give access to the depobj expression of the
5121 #pragma omp depobj directive and the clauses, respectively. If
5122 OMP_DEPOBJ_CLAUSES is INTEGER_CST, it is instead the update clause kind
5123 or OMP_CLAUSE_DEPEND_LAST for destroy clause. */
5124 #define OMP_DEPOBJ_DEPOBJ(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 0)
5125 #define OMP_DEPOBJ_CLAUSES(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 1)
5127 /* An enumeration of the kind of tags that C++ accepts. */
5129 none_type
= 0, /* Not a tag type. */
5130 record_type
, /* "struct" types. */
5131 class_type
, /* "class" types. */
5132 union_type
, /* "union" types. */
5133 enum_type
, /* "enum" types. */
5134 typename_type
, /* "typename" types. */
5135 scope_type
/* namespace or tagged type name followed by :: */
5138 /* The various kinds of lvalues we distinguish. */
5139 enum cp_lvalue_kind_flags
{
5140 clk_none
= 0, /* Things that are not an lvalue. */
5141 clk_ordinary
= 1, /* An ordinary lvalue. */
5142 clk_rvalueref
= 2,/* An xvalue (rvalue formed using an rvalue reference) */
5143 clk_class
= 4, /* A prvalue of class or array type. */
5144 clk_bitfield
= 8, /* An lvalue for a bit-field. */
5145 clk_packed
= 16, /* An lvalue for a packed field. */
5146 clk_implicit_rval
= 1<<5 /* An lvalue being treated as an xvalue. */
5149 /* This type is used for parameters and variables which hold
5150 combinations of the flags in enum cp_lvalue_kind_flags. */
5151 typedef int cp_lvalue_kind
;
5153 /* Various kinds of template specialization, instantiation, etc. */
5154 enum tmpl_spec_kind
{
5155 tsk_none
, /* Not a template at all. */
5156 tsk_invalid_member_spec
, /* An explicit member template
5157 specialization, but the enclosing
5158 classes have not all been explicitly
5160 tsk_invalid_expl_inst
, /* An explicit instantiation containing
5161 template parameter lists. */
5162 tsk_excessive_parms
, /* A template declaration with too many
5163 template parameter lists. */
5164 tsk_insufficient_parms
, /* A template declaration with too few
5166 tsk_template
, /* A template declaration. */
5167 tsk_expl_spec
, /* An explicit specialization. */
5168 tsk_expl_inst
/* An explicit instantiation. */
5171 /* The various kinds of access. BINFO_ACCESS depends on these being
5172 two bit quantities. The numerical values are important; they are
5173 used to initialize RTTI data structures, so changing them changes
5176 ak_none
= 0, /* Inaccessible. */
5177 ak_public
= 1, /* Accessible, as a `public' thing. */
5178 ak_protected
= 2, /* Accessible, as a `protected' thing. */
5179 ak_private
= 3 /* Accessible, as a `private' thing. */
5182 /* The various kinds of special functions. If you add to this list,
5183 you should update special_function_p as well. */
5184 enum special_function_kind
{
5185 sfk_none
= 0, /* Not a special function. This enumeral
5186 must have value zero; see
5187 special_function_p. */
5188 /* The following are ordered, for use by member synthesis fns. */
5189 sfk_destructor
, /* A destructor. */
5190 sfk_constructor
, /* A constructor. */
5191 sfk_inheriting_constructor
, /* An inheriting constructor */
5192 sfk_copy_constructor
, /* A copy constructor. */
5193 sfk_move_constructor
, /* A move constructor. */
5194 sfk_copy_assignment
, /* A copy assignment operator. */
5195 sfk_move_assignment
, /* A move assignment operator. */
5196 /* The following are unordered. */
5197 sfk_complete_destructor
, /* A destructor for complete objects. */
5198 sfk_base_destructor
, /* A destructor for base subobjects. */
5199 sfk_deleting_destructor
, /* A destructor for complete objects that
5200 deletes the object after it has been
5202 sfk_conversion
, /* A conversion operator. */
5203 sfk_deduction_guide
, /* A class template deduction guide. */
5204 sfk_comparison
, /* A comparison operator (e.g. ==, <, <=>). */
5205 sfk_virtual_destructor
/* Used by member synthesis fns. */
5208 /* The various kinds of linkage. From [basic.link],
5210 A name is said to have linkage when it might denote the same
5211 object, reference, function, type, template, namespace or value
5212 as a name introduced in another scope:
5214 -- When a name has external linkage, the entity it denotes can
5215 be referred to from scopes of other translation units or from
5216 other scopes of the same translation unit.
5218 -- When a name has internal linkage, the entity it denotes can
5219 be referred to by names from other scopes in the same
5222 -- When a name has no linkage, the entity it denotes cannot be
5223 referred to by names from other scopes. */
5226 lk_none
, /* No linkage. */
5227 lk_internal
, /* Internal linkage. */
5228 lk_external
/* External linkage. */
5231 enum duration_kind
{
5238 /* Bitmask flags to control type substitution. */
5240 tf_none
= 0, /* nothing special */
5241 tf_error
= 1 << 0, /* give error messages */
5242 tf_warning
= 1 << 1, /* give warnings too */
5243 tf_ignore_bad_quals
= 1 << 2, /* ignore bad cvr qualifiers */
5244 tf_keep_type_decl
= 1 << 3, /* retain typedef type decls
5245 (make_typename_type use) */
5246 tf_ptrmem_ok
= 1 << 4, /* pointers to member ok (internal
5247 instantiate_type use) */
5248 tf_user
= 1 << 5, /* found template must be a user template
5249 (lookup_template_class use) */
5250 tf_conv
= 1 << 6, /* We are determining what kind of
5251 conversion might be permissible,
5252 not actually performing the
5254 tf_decltype
= 1 << 7, /* We are the operand of decltype.
5255 Used to implement the special rules
5256 for calls in decltype (5.2.2/11). */
5257 tf_partial
= 1 << 8, /* Doing initial explicit argument
5258 substitution in fn_type_unification. */
5259 tf_fndecl_type
= 1 << 9, /* Substituting the type of a function
5261 tf_no_cleanup
= 1 << 10, /* Do not build a cleanup
5262 (build_target_expr and friends) */
5263 tf_norm
= 1 << 11, /* Build diagnostic information during
5264 constraint normalization. */
5265 /* Convenient substitution flags combinations. */
5266 tf_warning_or_error
= tf_warning
| tf_error
5269 /* This type is used for parameters and variables which hold
5270 combinations of the flags in enum tsubst_flags. */
5271 typedef int tsubst_flags_t
;
5273 /* The kind of checking we can do looking in a class hierarchy. */
5274 enum base_access_flags
{
5275 ba_any
= 0, /* Do not check access, allow an ambiguous base,
5276 prefer a non-virtual base */
5277 ba_unique
= 1 << 0, /* Must be a unique base. */
5278 ba_check_bit
= 1 << 1, /* Check access. */
5279 ba_check
= ba_unique
| ba_check_bit
,
5280 ba_ignore_scope
= 1 << 2 /* Ignore access allowed by local scope. */
5283 /* This type is used for parameters and variables which hold
5284 combinations of the flags in enum base_access_flags. */
5285 typedef int base_access
;
5287 /* The various kinds of access check during parsing. */
5288 enum deferring_kind
{
5289 dk_no_deferred
= 0, /* Check access immediately */
5290 dk_deferred
= 1, /* Deferred check */
5291 dk_no_check
= 2 /* No access check */
5294 /* The kind of base we can find, looking in a class hierarchy.
5295 Values <0 indicate we failed. */
5297 bk_inaccessible
= -3, /* The base is inaccessible */
5298 bk_ambig
= -2, /* The base is ambiguous */
5299 bk_not_base
= -1, /* It is not a base */
5300 bk_same_type
= 0, /* It is the same type */
5301 bk_proper_base
= 1, /* It is a proper base */
5302 bk_via_virtual
= 2 /* It is a proper base, but via a virtual
5303 path. This might not be the canonical
5307 /* Node for "pointer to (virtual) function".
5308 This may be distinct from ptr_type_node so gdb can distinguish them. */
5309 #define vfunc_ptr_type_node vtable_entry_type
5312 /* For building calls to `delete'. */
5313 extern GTY(()) tree integer_two_node
;
5315 /* The number of function bodies which we are currently processing.
5316 (Zero if we are at namespace scope, one inside the body of a
5317 function, two inside the body of a function in a local class, etc.) */
5318 extern int function_depth
;
5320 /* Nonzero if we are inside eq_specializations, which affects
5321 comparison of PARM_DECLs in cp_tree_equal and alias specializations
5322 in structrual_comptypes. */
5323 extern int comparing_specializations
;
5327 /* Nonzero if we are parsing an unevaluated operand: an operand to
5328 sizeof, typeof, or alignof. This is a count since operands to
5329 sizeof can be nested. */
5331 extern int cp_unevaluated_operand
;
5333 /* RAII class used to inhibit the evaluation of operands during parsing
5334 and template instantiation. Evaluation warnings are also inhibited. */
5336 class cp_unevaluated
5343 /* The reverse: an RAII class used for nested contexts that are evaluated even
5344 if the enclosing context is not. */
5352 : uneval(cp_unevaluated_operand
), inhibit(c_inhibit_evaluation_warnings
)
5353 { cp_unevaluated_operand
= c_inhibit_evaluation_warnings
= 0; }
5355 { cp_unevaluated_operand
= uneval
;
5356 c_inhibit_evaluation_warnings
= inhibit
; }
5361 /* These values are used for the `STRICT' parameter to type_unification and
5362 fn_type_unification. Their meanings are described with the
5363 documentation for fn_type_unification. */
5365 enum unification_kind_t
{
5371 // An RAII class used to create a new pointer map for local
5372 // specializations. When the stack goes out of scope, the
5373 // previous pointer map is restored.
5374 enum lss_policy
{ lss_blank
, lss_copy
, lss_nop
};
5375 class local_specialization_stack
5378 local_specialization_stack (lss_policy
= lss_blank
);
5379 ~local_specialization_stack ();
5381 hash_map
<tree
, tree
> *saved
;
5386 extern int current_class_depth
;
5390 /* An array of static vars & fns. */
5391 extern GTY(()) vec
<tree
, va_gc
> *static_decls
;
5393 /* An array of vtable-needing types that have no key function, or have
5394 an emitted key function. */
5395 extern GTY(()) vec
<tree
, va_gc
> *keyed_classes
;
5397 /* Here's where we control how name mangling takes place. */
5399 /* Cannot use '$' up front, because this confuses gdb
5400 (names beginning with '$' are gdb-local identifiers).
5402 Note that all forms in which the '$' is significant are long enough
5403 for direct indexing (meaning that if we know there is a '$'
5404 at a particular location, we can index into the string at
5405 any other location that provides distinguishing characters). */
5407 /* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler
5408 doesn't allow '.' in symbol names. */
5409 #ifndef NO_DOT_IN_LABEL
5413 #define AUTO_TEMP_NAME "_.tmp_"
5414 #define VFIELD_BASE ".vf"
5415 #define VFIELD_NAME "_vptr."
5416 #define VFIELD_NAME_FORMAT "_vptr.%s"
5418 #else /* NO_DOT_IN_LABEL */
5420 #ifndef NO_DOLLAR_IN_LABEL
5424 #define AUTO_TEMP_NAME "_$tmp_"
5425 #define VFIELD_BASE "$vf"
5426 #define VFIELD_NAME "_vptr$"
5427 #define VFIELD_NAME_FORMAT "_vptr$%s"
5429 #else /* NO_DOLLAR_IN_LABEL */
5431 #define VTABLE_NAME "__vt_"
5432 #define VTABLE_NAME_P(ID_NODE) \
5433 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
5434 sizeof (VTABLE_NAME) - 1))
5435 #define VFIELD_BASE "__vfb"
5436 #define VFIELD_NAME "__vptr_"
5437 #define VFIELD_NAME_P(ID_NODE) \
5438 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
5439 sizeof (VFIELD_NAME) - 1))
5440 #define VFIELD_NAME_FORMAT "__vptr_%s"
5442 #endif /* NO_DOLLAR_IN_LABEL */
5443 #endif /* NO_DOT_IN_LABEL */
5445 #define UDLIT_OP_ANSI_PREFIX "operator\"\""
5446 #define UDLIT_OP_ANSI_FORMAT UDLIT_OP_ANSI_PREFIX "%s"
5447 #define UDLIT_OP_MANGLED_PREFIX "li"
5448 #define UDLIT_OP_MANGLED_FORMAT UDLIT_OP_MANGLED_PREFIX "%s"
5449 #define UDLIT_OPER_P(ID_NODE) \
5450 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
5451 UDLIT_OP_ANSI_PREFIX, \
5452 sizeof (UDLIT_OP_ANSI_PREFIX) - 1))
5453 #define UDLIT_OP_SUFFIX(ID_NODE) \
5454 (IDENTIFIER_POINTER (ID_NODE) + sizeof (UDLIT_OP_ANSI_PREFIX) - 1)
5456 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
5458 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
5459 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
5460 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
5462 #define VFIELD_NAME_P(ID_NODE) \
5463 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
5465 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
5468 /* Nonzero if we're done parsing and into end-of-file activities.
5469 Two if we're done with front-end processing. */
5473 /* True if note_mangling_alias should enqueue mangling aliases for
5474 later generation, rather than emitting them right away. */
5476 extern bool defer_mangling_aliases
;
5478 /* True if noexcept is part of the type (i.e. in C++17). */
5480 extern bool flag_noexcept_type
;
5482 /* A list of namespace-scope objects which have constructors or
5483 destructors which reside in the global scope. The decl is stored
5484 in the TREE_VALUE slot and the initializer is stored in the
5485 TREE_PURPOSE slot. */
5486 extern GTY(()) tree static_aggregates
;
5487 /* Likewise, for thread local storage. */
5488 extern GTY(()) tree tls_aggregates
;
5490 enum overload_flags
{ NO_SPECIAL
= 0, DTOR_FLAG
, TYPENAME_FLAG
};
5492 /* These are uses as bits in flags passed to various functions to
5493 control their behavior. Despite the LOOKUP_ prefix, many of these
5494 do not control name lookup. ??? Functions using these flags should
5495 probably be modified to accept explicit boolean flags for the
5496 behaviors relevant to them. */
5497 /* Check for access violations. */
5498 #define LOOKUP_PROTECT (1 << 0)
5499 #define LOOKUP_NORMAL (LOOKUP_PROTECT)
5500 /* Even if the function found by lookup is a virtual function, it
5501 should be called directly. */
5502 #define LOOKUP_NONVIRTUAL (1 << 1)
5503 /* Non-converting (i.e., "explicit") constructors are not tried. This flag
5504 indicates that we are not performing direct-initialization. */
5505 #define LOOKUP_ONLYCONVERTING (1 << 2)
5506 #define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING)
5507 /* If a temporary is created, it should be created so that it lives
5508 as long as the current variable bindings; otherwise it only lives
5509 until the end of the complete-expression. It also forces
5510 direct-initialization in cases where other parts of the compiler
5511 have already generated a temporary, such as reference
5512 initialization and the catch parameter. */
5513 #define DIRECT_BIND (1 << 3)
5514 /* We're performing a user-defined conversion, so more user-defined
5515 conversions are not permitted (only built-in conversions). */
5516 #define LOOKUP_NO_CONVERSION (1 << 4)
5517 /* The user has explicitly called a destructor. (Therefore, we do
5518 not need to check that the object is non-NULL before calling the
5520 #define LOOKUP_DESTRUCTOR (1 << 5)
5521 /* Do not permit references to bind to temporaries. */
5522 #define LOOKUP_NO_TEMP_BIND (1 << 6)
5523 /* We're trying to treat an lvalue as an rvalue. */
5524 /* FIXME remove when we extend the P1825 semantics to all standard modes, the
5525 C++20 approach uses IMPLICIT_RVALUE_P instead. */
5526 #define LOOKUP_PREFER_RVALUE (LOOKUP_NO_TEMP_BIND << 1)
5527 /* We're inside an init-list, so narrowing conversions are ill-formed. */
5528 #define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
5529 /* We're looking up a constructor for list-initialization. */
5530 #define LOOKUP_LIST_INIT_CTOR (LOOKUP_NO_NARROWING << 1)
5531 /* This is the first parameter of a copy constructor. */
5532 #define LOOKUP_COPY_PARM (LOOKUP_LIST_INIT_CTOR << 1)
5533 /* We only want to consider list constructors. */
5534 #define LOOKUP_LIST_ONLY (LOOKUP_COPY_PARM << 1)
5535 /* Return after determining which function to call and checking access.
5536 Used by sythesized_method_walk to determine which functions will
5537 be called to initialize subobjects, in order to determine exception
5538 specification and possible implicit delete.
5539 This is kind of a hack, but exiting early avoids problems with trying
5540 to perform argument conversions when the class isn't complete yet. */
5541 #define LOOKUP_SPECULATIVE (LOOKUP_LIST_ONLY << 1)
5542 /* Used by calls from defaulted functions to limit the overload set to avoid
5543 cycles trying to declare them (core issue 1092). */
5544 #define LOOKUP_DEFAULTED (LOOKUP_SPECULATIVE << 1)
5545 /* Used in calls to store_init_value to suppress its usual call to
5547 #define LOOKUP_ALREADY_DIGESTED (LOOKUP_DEFAULTED << 1)
5548 /* Like LOOKUP_NO_TEMP_BIND, but also prevent binding to xvalues. */
5549 #define LOOKUP_NO_RVAL_BIND (LOOKUP_ALREADY_DIGESTED << 1)
5550 /* Used by case_conversion to disregard non-integral conversions. */
5551 #define LOOKUP_NO_NON_INTEGRAL (LOOKUP_NO_RVAL_BIND << 1)
5552 /* Used for delegating constructors in order to diagnose self-delegation. */
5553 #define LOOKUP_DELEGATING_CONS (LOOKUP_NO_NON_INTEGRAL << 1)
5554 /* Allow initialization of a flexible array members. */
5555 #define LOOKUP_ALLOW_FLEXARRAY_INIT (LOOKUP_DELEGATING_CONS << 1)
5556 /* We're looking for either a rewritten comparison operator candidate or the
5557 operator to use on the former's result. We distinguish between the two by
5558 knowing that comparisons other than == and <=> must be the latter, as must
5559 a <=> expression trying to rewrite to <=> without reversing. */
5560 #define LOOKUP_REWRITTEN (LOOKUP_ALLOW_FLEXARRAY_INIT << 1)
5561 /* Reverse the order of the two arguments for comparison rewriting. First we
5562 swap the arguments in add_operator_candidates, then we swap the conversions
5563 in add_candidate (so that they correspond to the original order of the
5564 args), then we swap the conversions back in build_new_op_1 (so they
5565 correspond to the order of the args in the candidate). */
5566 #define LOOKUP_REVERSED (LOOKUP_REWRITTEN << 1)
5567 /* We're initializing an aggregate from a parenthesized list of values. */
5568 #define LOOKUP_AGGREGATE_PAREN_INIT (LOOKUP_REVERSED << 1)
5570 /* These flags are used by the conversion code.
5571 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
5572 CONV_STATIC : Perform the explicit conversions for static_cast.
5573 CONV_CONST : Perform the explicit conversions for const_cast.
5574 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
5575 CONV_PRIVATE : Perform upcasts to private bases.
5576 CONV_FORCE_TEMP : Require a new temporary when converting to the same
5579 #define CONV_IMPLICIT 1
5580 #define CONV_STATIC 2
5581 #define CONV_CONST 4
5582 #define CONV_REINTERPRET 8
5583 #define CONV_PRIVATE 16
5584 #define CONV_FORCE_TEMP 32
5585 #define CONV_FOLD 64
5586 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5588 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5589 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
5590 #define CONV_BACKEND_CONVERT (CONV_OLD_CONVERT | CONV_FOLD)
5592 /* Used by build_expr_type_conversion to indicate which types are
5593 acceptable as arguments to the expression under consideration. */
5595 #define WANT_INT 1 /* integer types, including bool */
5596 #define WANT_FLOAT 2 /* floating point types */
5597 #define WANT_ENUM 4 /* enumerated types */
5598 #define WANT_POINTER 8 /* pointer types */
5599 #define WANT_NULL 16 /* null pointer constant */
5600 #define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */
5601 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX)
5603 /* Used with comptypes, and related functions, to guide type
5606 #define COMPARE_STRICT 0 /* Just check if the types are the
5608 #define COMPARE_BASE 1 /* Check to see if the second type is
5609 derived from the first. */
5610 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
5612 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
5613 another declaration of an existing
5615 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
5616 structural. The actual comparison
5617 will be identical to
5620 /* Used with start function. */
5621 #define SF_DEFAULT 0 /* No flags. */
5622 #define SF_PRE_PARSED 1 /* The function declaration has
5623 already been parsed. */
5624 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
5625 in the class body. */
5627 /* Used with start_decl's initialized parameter. */
5628 #define SD_UNINITIALIZED 0
5629 #define SD_INITIALIZED 1
5630 /* Like SD_INITIALIZED, but also mark the new decl as DECL_DECOMPOSITION_P. */
5631 #define SD_DECOMPOSITION 2
5632 #define SD_DEFAULTED 3
5633 #define SD_DELETED 4
5635 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
5636 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
5637 class derived from the type pointed to (referred to) by TYPE1. */
5638 #define same_or_base_type_p(TYPE1, TYPE2) \
5639 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
5641 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
5642 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
5643 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
5644 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
5645 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
5646 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
5647 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
5648 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
5649 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
5650 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
5652 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
5653 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
5654 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
5655 (TYPE_VALUES_RAW (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, \
5656 TEMPLATE_TEMPLATE_PARM, \
5657 BOUND_TEMPLATE_TEMPLATE_PARM)))
5658 #define TEMPLATE_TYPE_IDX(NODE) \
5659 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5660 #define TEMPLATE_TYPE_LEVEL(NODE) \
5661 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5662 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
5663 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5664 #define TEMPLATE_TYPE_DECL(NODE) \
5665 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5666 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
5667 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5669 /* For a C++17 class deduction placeholder, the template it represents. */
5670 #define CLASS_PLACEHOLDER_TEMPLATE(NODE) \
5671 (DECL_INITIAL (TYPE_NAME (TEMPLATE_TYPE_PARM_CHECK (NODE))))
5673 /* Contexts in which auto deduction occurs. These flags are
5674 used to control diagnostics in do_auto_deduction. */
5676 enum auto_deduction_context
5678 adc_unspecified
, /* Not given */
5679 adc_variable_type
, /* Variable initializer deduction */
5680 adc_return_type
, /* Return type deduction */
5681 adc_unify
, /* Template argument deduction */
5682 adc_requirement
, /* Argument deduction constraint */
5683 adc_decomp_type
/* Decomposition declaration initializer deduction */
5686 /* True if this type-parameter belongs to a class template, used by C++17
5687 class template argument deduction. */
5688 #define TEMPLATE_TYPE_PARM_FOR_CLASS(NODE) \
5689 (TREE_LANG_FLAG_0 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
5691 /* True iff this TEMPLATE_TYPE_PARM represents decltype(auto). */
5692 #define AUTO_IS_DECLTYPE(NODE) \
5693 (TYPE_LANG_FLAG_5 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
5695 /* These constants can used as bit flags in the process of tree formatting.
5697 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
5698 TFF_SCOPE: include the class and namespace scope of the name.
5699 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
5700 TFF_DECL_SPECIFIERS: print decl-specifiers.
5701 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
5702 a class-key (resp. `enum').
5703 TFF_RETURN_TYPE: include function return type.
5704 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
5705 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
5706 TFF_TEMPLATE_HEADER: show the template<...> header in a
5707 template-declaration.
5708 TFF_TEMPLATE_NAME: show only template-name.
5709 TFF_EXPR_IN_PARENS: parenthesize expressions.
5710 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
5711 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
5713 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments
5714 identical to their defaults.
5715 TFF_NO_TEMPLATE_BINDINGS: do not print information about the template
5716 arguments for a function template specialization.
5717 TFF_POINTER: we are printing a pointer type. */
5719 #define TFF_PLAIN_IDENTIFIER (0)
5720 #define TFF_SCOPE (1)
5721 #define TFF_CHASE_TYPEDEF (1 << 1)
5722 #define TFF_DECL_SPECIFIERS (1 << 2)
5723 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
5724 #define TFF_RETURN_TYPE (1 << 4)
5725 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
5726 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
5727 #define TFF_TEMPLATE_HEADER (1 << 7)
5728 #define TFF_TEMPLATE_NAME (1 << 8)
5729 #define TFF_EXPR_IN_PARENS (1 << 9)
5730 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
5731 #define TFF_UNQUALIFIED_NAME (1 << 11)
5732 #define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12)
5733 #define TFF_NO_TEMPLATE_BINDINGS (1 << 13)
5734 #define TFF_POINTER (1 << 14)
5736 /* These constants can be used as bit flags to control strip_typedefs.
5738 STF_USER_VISIBLE: use heuristics to try to avoid stripping user-facing
5739 aliases of internal details. This is intended for diagnostics,
5740 where it should (for example) give more useful "aka" types.
5742 STF_STRIP_DEPENDENT: allow the stripping of aliases with dependent
5743 template parameters, relying on code elsewhere to report any
5744 appropriate diagnostics. */
5745 const unsigned int STF_USER_VISIBLE
= 1U;
5746 const unsigned int STF_STRIP_DEPENDENT
= 1U << 1;
5748 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
5750 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
5751 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
5752 ? TYPE_TI_TEMPLATE (NODE) \
5757 extern void init_reswords (void);
5759 /* Various flags for the overloaded operator information. */
5761 OVL_OP_FLAG_NONE
= 0, /* Don't care. */
5762 OVL_OP_FLAG_UNARY
= 1, /* Is unary. */
5763 OVL_OP_FLAG_BINARY
= 2, /* Is binary. */
5764 OVL_OP_FLAG_AMBIARY
= 3, /* May be unary or binary. */
5765 OVL_OP_FLAG_ALLOC
= 4, /* operator new or delete. */
5766 OVL_OP_FLAG_DELETE
= 1, /* operator delete. */
5767 OVL_OP_FLAG_VEC
= 2 /* vector new or delete. */
5770 /* Compressed operator codes. Order is determined by operators.def
5771 and does not match that of tree_codes. */
5775 #define DEF_OPERATOR(NAME, CODE, MANGLING, FLAGS) OVL_OP_##CODE,
5776 #define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING) /* NOTHING */
5777 #include "operators.def"
5781 struct GTY(()) ovl_op_info_t
{
5782 /* The IDENTIFIER_NODE for the operator. */
5784 /* The name of the operator. */
5786 /* The mangled name of the operator. */
5787 const char *mangled_name
;
5788 /* The (regular) tree code. */
5789 enum tree_code tree_code
: 16;
5790 /* The (compressed) operator code. */
5791 enum ovl_op_code ovl_op_code
: 8;
5792 /* The ovl_op_flags of the operator */
5796 /* Overloaded operator info indexed by ass_op_p & ovl_op_code. */
5797 extern GTY(()) ovl_op_info_t ovl_op_info
[2][OVL_OP_MAX
];
5798 /* Mapping from tree_codes to ovl_op_codes. */
5799 extern GTY(()) unsigned char ovl_op_mapping
[MAX_TREE_CODES
];
5800 /* Mapping for ambi-ary operators from the binary to the unary. */
5801 extern GTY(()) unsigned char ovl_op_alternate
[OVL_OP_MAX
];
5803 /* Given an ass_op_p boolean and a tree code, return a pointer to its
5804 overloaded operator info. Tree codes for non-overloaded operators
5805 map to the error-operator. */
5806 #define OVL_OP_INFO(IS_ASS_P, TREE_CODE) \
5807 (&ovl_op_info[(IS_ASS_P) != 0][ovl_op_mapping[(TREE_CODE)]])
5808 /* Overloaded operator info for an identifier for which
5809 IDENTIFIER_OVL_OP_P is true. */
5810 #define IDENTIFIER_OVL_OP_INFO(NODE) \
5811 (&ovl_op_info[IDENTIFIER_KIND_BIT_0 (NODE)][IDENTIFIER_CP_INDEX (NODE)])
5812 #define IDENTIFIER_OVL_OP_FLAGS(NODE) \
5813 (IDENTIFIER_OVL_OP_INFO (NODE)->flags)
5815 inline tree
ovl_op_identifier (bool isass
, tree_code code
)
5816 { return OVL_OP_INFO(isass
, code
)->identifier
; }
5817 inline tree
ovl_op_identifier (tree_code code
) { return ovl_op_identifier (false, code
); }
5818 #define assign_op_identifier (ovl_op_info[true][OVL_OP_NOP_EXPR].identifier)
5819 #define call_op_identifier (ovl_op_info[false][OVL_OP_CALL_EXPR].identifier)
5821 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
5824 typedef int cp_cv_quals
;
5826 /* Non-static member functions have an optional virt-specifier-seq.
5827 There is a VIRT_SPEC value for each virt-specifier.
5828 They can be combined by bitwise-or to form the complete set of
5829 virt-specifiers for a member function. */
5832 VIRT_SPEC_UNSPECIFIED
= 0x0,
5833 VIRT_SPEC_FINAL
= 0x1,
5834 VIRT_SPEC_OVERRIDE
= 0x2
5837 /* A type-qualifier, or bitmask therefore, using the VIRT_SPEC
5840 typedef int cp_virt_specifiers
;
5842 /* Wherever there is a function-cv-qual, there could also be a ref-qualifier:
5845 The return type, the parameter-type-list, the ref-qualifier, and
5846 the cv-qualifier-seq, but not the default arguments or the exception
5847 specification, are part of the function type.
5849 REF_QUAL_NONE Ordinary member function with no ref-qualifier
5850 REF_QUAL_LVALUE Member function with the &-ref-qualifier
5851 REF_QUAL_RVALUE Member function with the &&-ref-qualifier */
5853 enum cp_ref_qualifier
{
5855 REF_QUAL_LVALUE
= 1,
5859 /* A storage class. */
5861 enum cp_storage_class
{
5862 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
5863 sets the storage_class field to sc_none. */
5872 /* An individual decl-specifier. This is used to index the array of
5873 locations for the declspecs in struct cp_decl_specifier_seq
5878 ds_signed
= ds_first
,
5897 ds_redefined_builtin_type_spec
,
5903 ds_last
/* This enumerator must always be the last one. */
5906 /* A decl-specifier-seq. */
5908 struct cp_decl_specifier_seq
{
5909 /* An array of locations for the declaration sepecifiers, indexed by
5910 enum cp_decl_spec_word. */
5911 location_t locations
[ds_last
];
5912 /* The primary type, if any, given by the decl-specifier-seq.
5913 Modifiers, like "short", "const", and "unsigned" are not
5914 reflected here. This field will be a TYPE, unless a typedef-name
5915 was used, in which case it will be a TYPE_DECL. */
5917 /* The attributes, if any, provided with the specifier sequence. */
5919 /* The c++11 attributes that follows the type specifier. */
5920 tree std_attributes
;
5921 /* If non-NULL, a built-in type that the user attempted to redefine
5922 to some other type. */
5923 tree redefined_builtin_type
;
5924 /* The explicit-specifier, if any. */
5925 tree explicit_specifier
;
5926 /* The storage class specified -- or sc_none if no storage class was
5927 explicitly specified. */
5928 cp_storage_class storage_class
;
5929 /* For the __intN declspec, this stores the index into the int_n_* arrays. */
5931 /* True iff TYPE_SPEC defines a class or enum. */
5932 BOOL_BITFIELD type_definition_p
: 1;
5933 /* True iff multiple types were (erroneously) specified for this
5934 decl-specifier-seq. */
5935 BOOL_BITFIELD multiple_types_p
: 1;
5936 /* True iff multiple storage classes were (erroneously) specified
5937 for this decl-specifier-seq or a combination of a storage class
5938 with a typedef specifier. */
5939 BOOL_BITFIELD conflicting_specifiers_p
: 1;
5940 /* True iff at least one decl-specifier was found. */
5941 BOOL_BITFIELD any_specifiers_p
: 1;
5942 /* True iff at least one type-specifier was found. */
5943 BOOL_BITFIELD any_type_specifiers_p
: 1;
5944 /* True iff "int" was explicitly provided. */
5945 BOOL_BITFIELD explicit_int_p
: 1;
5946 /* True iff "__intN" was explicitly provided. */
5947 BOOL_BITFIELD explicit_intN_p
: 1;
5948 /* True iff "char" was explicitly provided. */
5949 BOOL_BITFIELD explicit_char_p
: 1;
5950 /* True iff ds_thread is set for __thread, not thread_local. */
5951 BOOL_BITFIELD gnu_thread_keyword_p
: 1;
5952 /* True iff the type is a decltype. */
5953 BOOL_BITFIELD decltype_p
: 1;
5954 /* True iff the alternate "__intN__" form of the __intN type has been
5956 BOOL_BITFIELD int_n_alt
: 1;
5959 /* The various kinds of declarators. */
5961 enum cp_declarator_kind
{
5974 typedef struct cp_declarator cp_declarator
;
5976 typedef struct cp_parameter_declarator cp_parameter_declarator
;
5978 /* A parameter, before it has been semantically analyzed. */
5979 struct cp_parameter_declarator
{
5980 /* The next parameter, or NULL_TREE if none. */
5981 cp_parameter_declarator
*next
;
5982 /* The decl-specifiers-seq for the parameter. */
5983 cp_decl_specifier_seq decl_specifiers
;
5984 /* The declarator for the parameter. */
5985 cp_declarator
*declarator
;
5986 /* The default-argument expression, or NULL_TREE, if none. */
5987 tree default_argument
;
5988 /* True iff this is a template parameter pack. */
5989 bool template_parameter_pack_p
;
5990 /* Location within source. */
5995 struct cp_declarator
{
5996 /* The kind of declarator. */
5997 ENUM_BITFIELD (cp_declarator_kind
) kind
: 4;
5998 /* Whether we parsed an ellipsis (`...') just before the declarator,
5999 to indicate this is a parameter pack. */
6000 BOOL_BITFIELD parameter_pack_p
: 1;
6001 /* If this declarator is parenthesized, this the open-paren. It is
6002 UNKNOWN_LOCATION when not parenthesized. */
6003 location_t parenthesized
;
6005 location_t id_loc
; /* Currently only set for cdk_id, cdk_decomp and
6007 /* GNU Attributes that apply to this declarator. If the declarator
6008 is a pointer or a reference, these attribute apply to the type
6011 /* Standard C++11 attributes that apply to this declarator. If the
6012 declarator is a pointer or a reference, these attributes apply
6013 to the pointer, rather than to the type pointed to. */
6014 tree std_attributes
;
6015 /* For all but cdk_id, cdk_decomp and cdk_error, the contained declarator.
6016 For cdk_id, cdk_decomp and cdk_error, guaranteed to be NULL. */
6017 cp_declarator
*declarator
;
6019 /* For identifiers. */
6021 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
6022 *_TYPE) for this identifier. */
6023 tree qualifying_scope
;
6024 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
6025 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
6026 tree unqualified_name
;
6027 /* If this is the name of a function, what kind of special
6028 function (if any). */
6029 special_function_kind sfk
;
6031 /* For functions. */
6033 /* The parameters to the function as a TREE_LIST of decl/default. */
6035 /* The cv-qualifiers for the function. */
6036 cp_cv_quals qualifiers
;
6037 /* The virt-specifiers for the function. */
6038 cp_virt_specifiers virt_specifiers
;
6039 /* The ref-qualifier for the function. */
6040 cp_ref_qualifier ref_qualifier
;
6041 /* The transaction-safety qualifier for the function. */
6043 /* The exception-specification for the function. */
6044 tree exception_specification
;
6045 /* The late-specified return type, if any. */
6046 tree late_return_type
;
6047 /* The trailing requires-clause, if any. */
6048 tree requires_clause
;
6052 /* The bounds to the array. */
6055 /* For cdk_pointer and cdk_ptrmem. */
6057 /* The cv-qualifiers for the pointer. */
6058 cp_cv_quals qualifiers
;
6059 /* For cdk_ptrmem, the class type containing the member. */
6062 /* For cdk_reference */
6064 /* The cv-qualifiers for the reference. These qualifiers are
6065 only used to diagnose ill-formed code. */
6066 cp_cv_quals qualifiers
;
6067 /* Whether this is an rvalue reference */
6073 /* A level of template instantiation. */
6074 struct GTY((chain_next ("%h.next"))) tinst_level
{
6075 /* The immediately deeper level in the chain. */
6076 struct tinst_level
*next
;
6078 /* The original node. TLDCL can be a DECL (for a function or static
6079 data member), a TYPE (for a class), depending on what we were
6080 asked to instantiate, or a TREE_LIST with the template as PURPOSE
6081 and the template args as VALUE, if we are substituting for
6082 overload resolution. In all these cases, TARGS is NULL.
6083 However, to avoid creating TREE_LIST objects for substitutions if
6084 we can help, we store PURPOSE and VALUE in TLDCL and TARGS,
6085 respectively. So TLDCL stands for TREE_LIST or DECL (the
6086 template is a DECL too), whereas TARGS stands for the template
6091 /* Return TRUE iff the original node is a split list. */
6092 bool split_list_p () const { return targs
; }
6094 /* Return TRUE iff the original node is a TREE_LIST object. */
6095 bool tree_list_p () const
6097 return !split_list_p () && TREE_CODE (tldcl
) == TREE_LIST
;
6100 /* Return TRUE iff the original node is not a list, split or not. */
6101 bool not_list_p () const
6103 return !split_list_p () && !tree_list_p ();
6106 /* Convert (in place) the original node from a split list to a
6111 /* Release storage for OBJ and node, if it's a TREE_LIST. */
6112 static void free (tinst_level
*obj
);
6114 /* Return TRUE iff the original node is a list, split or not. */
6115 bool list_p () const { return !not_list_p (); }
6117 /* Return the original node; if it's a split list, make it a
6118 TREE_LIST first, so that it can be returned as a single tree
6121 if (!split_list_p ()) return tldcl
;
6122 else return to_list ();
6125 /* Return the original node if it's a DECL or a TREE_LIST, but do
6126 NOT convert a split list to a TREE_LIST: return NULL instead. */
6127 tree
maybe_get_node () const {
6128 if (!split_list_p ()) return tldcl
;
6129 else return NULL_TREE
;
6132 /* The location where the template is instantiated. */
6135 /* errorcount + sorrycount when we pushed this level. */
6136 unsigned short errors
;
6138 /* Count references to this object. If refcount reaches
6139 refcount_infinity value, we don't increment or decrement the
6140 refcount anymore, as the refcount isn't accurate anymore.
6141 The object can be still garbage collected if unreferenced from
6142 anywhere, which might keep referenced objects referenced longer than
6143 otherwise necessary. Hitting the infinity is rare though. */
6144 unsigned short refcount
;
6146 /* Infinity value for the above refcount. */
6147 static const unsigned short refcount_infinity
= (unsigned short) ~0;
6150 /* BUILT_IN_FRONTEND function codes. */
6151 enum cp_built_in_function
{
6152 CP_BUILT_IN_IS_CONSTANT_EVALUATED
,
6153 CP_BUILT_IN_INTEGER_PACK
,
6154 CP_BUILT_IN_SOURCE_LOCATION
,
6158 bool decl_spec_seq_has_spec_p (const cp_decl_specifier_seq
*, cp_decl_spec
);
6160 /* Return the type of the `this' parameter of FNTYPE. */
6163 type_of_this_parm (const_tree fntype
)
6165 function_args_iterator iter
;
6166 gcc_assert (TREE_CODE (fntype
) == METHOD_TYPE
);
6167 function_args_iter_init (&iter
, fntype
);
6168 return function_args_iter_cond (&iter
);
6171 /* Return the class of the `this' parameter of FNTYPE. */
6174 class_of_this_parm (const_tree fntype
)
6176 return TREE_TYPE (type_of_this_parm (fntype
));
6179 /* A parameter list indicating for a function with no parameters,
6180 e.g "int f(void)". */
6181 extern cp_parameter_declarator
*no_parameters
;
6183 /* Various dump ids. */
6184 extern int class_dump_id
;
6185 extern int raw_dump_id
;
6188 extern bool check_dtor_name (tree
, tree
);
6189 int magic_varargs_p (tree
);
6191 extern tree
build_conditional_expr (const op_location_t
&,
6194 extern tree
build_addr_func (tree
, tsubst_flags_t
);
6195 extern void set_flags_from_callee (tree
);
6196 extern tree
build_call_a (tree
, int, tree
*);
6197 extern tree
build_call_n (tree
, int, ...);
6198 extern bool null_ptr_cst_p (tree
);
6199 extern bool null_member_pointer_value_p (tree
);
6200 extern bool sufficient_parms_p (const_tree
);
6201 extern tree
type_decays_to (tree
);
6202 extern tree
extract_call_expr (tree
);
6203 extern tree
build_trivial_dtor_call (tree
, bool = false);
6204 extern bool ref_conv_binds_directly_p (tree
, tree
);
6205 extern tree
build_user_type_conversion (tree
, tree
, int,
6207 extern tree
build_new_function_call (tree
, vec
<tree
, va_gc
> **,
6209 extern tree
build_operator_new_call (tree
, vec
<tree
, va_gc
> **,
6210 tree
*, tree
*, tree
, tree
,
6211 tree
*, tsubst_flags_t
);
6212 extern tree
build_new_method_call (tree
, tree
,
6213 vec
<tree
, va_gc
> **, tree
,
6214 int, tree
*, tsubst_flags_t
);
6215 extern tree
build_special_member_call (tree
, tree
,
6216 vec
<tree
, va_gc
> **,
6217 tree
, int, tsubst_flags_t
);
6218 extern tree
build_new_op (const op_location_t
&,
6220 int, tree
, tree
, tree
, tree
*,
6222 extern tree
build_op_call (tree
, vec
<tree
, va_gc
> **,
6224 extern bool aligned_allocation_fn_p (tree
);
6225 extern tree
destroying_delete_p (tree
);
6226 extern bool usual_deallocation_fn_p (tree
);
6227 extern tree
build_op_delete_call (enum tree_code
, tree
, tree
,
6230 extern bool can_convert (tree
, tree
, tsubst_flags_t
);
6231 extern bool can_convert_standard (tree
, tree
, tsubst_flags_t
);
6232 extern bool can_convert_arg (tree
, tree
, tree
, int,
6234 extern bool can_convert_arg_bad (tree
, tree
, tree
, int,
6236 extern int conv_flags (int, int, tree
, tree
, int);
6237 extern struct conversion
* good_conversion (tree
, tree
, tree
, int, tsubst_flags_t
);
6238 extern location_t
get_fndecl_argument_location (tree
, int);
6239 extern void complain_about_bad_argument (location_t arg_loc
,
6240 tree from_type
, tree to_type
,
6241 tree fndecl
, int parmnum
);
6242 extern void maybe_inform_about_fndecl_for_bogus_argument_init (tree
, int);
6245 /* A class for recording information about access failures (e.g. private
6246 fields), so that we can potentially supply a fix-it hint about
6247 an accessor (from a context in which the constness of the object
6250 class access_failure_info
6253 access_failure_info () : m_was_inaccessible (false),
6254 m_basetype_path (NULL_TREE
),
6255 m_decl (NULL_TREE
), m_diag_decl (NULL_TREE
) {}
6257 void record_access_failure (tree basetype_path
, tree decl
, tree diag_decl
);
6259 bool was_inaccessible_p () const { return m_was_inaccessible
; }
6260 tree
get_decl () const { return m_decl
; }
6261 tree
get_diag_decl () const { return m_diag_decl
; }
6262 tree
get_any_accessor (bool const_p
) const;
6263 void maybe_suggest_accessor (bool const_p
) const;
6264 static void add_fixit_hint (rich_location
*richloc
, tree accessor
);
6267 bool m_was_inaccessible
;
6268 tree m_basetype_path
;
6273 extern void complain_about_access (tree
, tree
, bool);
6274 extern void push_defarg_context (tree
);
6275 extern void pop_defarg_context (void);
6276 extern tree
convert_default_arg (tree
, tree
, tree
, int,
6278 extern tree
convert_arg_to_ellipsis (tree
, tsubst_flags_t
);
6279 extern tree
build_x_va_arg (location_t
, tree
, tree
);
6280 extern tree
cxx_type_promotes_to (tree
);
6281 extern tree
type_passed_as (tree
);
6282 extern tree
convert_for_arg_passing (tree
, tree
, tsubst_flags_t
);
6283 extern bool is_properly_derived_from (tree
, tree
);
6284 extern tree
initialize_reference (tree
, tree
, int,
6286 extern tree
extend_ref_init_temps (tree
, tree
,
6289 extern tree
make_temporary_var_for_ref_to_temp (tree
, tree
);
6290 extern bool type_has_extended_temps (tree
);
6291 extern tree
strip_top_quals (tree
);
6292 extern bool reference_related_p (tree
, tree
);
6293 extern bool reference_compatible_p (tree
, tree
);
6294 extern int remaining_arguments (tree
);
6295 extern tree
perform_implicit_conversion (tree
, tree
, tsubst_flags_t
);
6296 extern tree
perform_implicit_conversion_flags (tree
, tree
, tsubst_flags_t
, int);
6297 extern tree
build_converted_constant_expr (tree
, tree
, tsubst_flags_t
);
6298 extern tree
build_converted_constant_bool_expr (tree
, tsubst_flags_t
);
6299 extern tree
perform_direct_initialization_if_possible (tree
, tree
, bool,
6301 extern vec
<tree
,va_gc
> *resolve_args (vec
<tree
,va_gc
>*, tsubst_flags_t
);
6302 extern tree
in_charge_arg_for_name (tree
);
6303 extern tree
build_cxx_call (tree
, int, tree
*,
6306 extern bool is_std_init_list (tree
);
6307 extern bool is_list_ctor (tree
);
6308 extern void validate_conversion_obstack (void);
6309 extern void mark_versions_used (tree
);
6310 extern bool unsafe_return_slot_p (tree
);
6311 extern bool cp_warn_deprecated_use (tree
, tsubst_flags_t
= tf_warning_or_error
);
6312 extern void cp_warn_deprecated_use_scopes (tree
);
6313 extern tree
get_function_version_dispatcher (tree
);
6316 extern tree
build_vfield_ref (tree
, tree
);
6317 extern tree
build_if_in_charge (tree true_stmt
, tree false_stmt
= void_node
);
6318 extern tree
build_base_path (enum tree_code
, tree
,
6319 tree
, int, tsubst_flags_t
);
6320 extern tree
convert_to_base (tree
, tree
, bool, bool,
6322 extern tree
convert_to_base_statically (tree
, tree
);
6323 extern tree
build_vtbl_ref (tree
, tree
);
6324 extern tree
build_vfn_ref (tree
, tree
);
6325 extern tree
get_vtable_decl (tree
, int);
6326 extern bool add_method (tree
, tree
, bool);
6327 extern tree
declared_access (tree
);
6328 extern tree
currently_open_class (tree
);
6329 extern tree
currently_open_derived_class (tree
);
6330 extern tree
outermost_open_class (void);
6331 extern tree
current_nonlambda_class_type (void);
6332 extern tree
finish_struct (tree
, tree
);
6333 extern void finish_struct_1 (tree
);
6334 extern int resolves_to_fixed_type_p (tree
, int * = NULL
);
6335 extern void init_class_processing (void);
6336 extern int is_empty_class (tree
);
6337 extern bool is_really_empty_class (tree
, bool);
6338 extern void pushclass (tree
);
6339 extern void popclass (void);
6340 extern void push_nested_class (tree
);
6341 extern void pop_nested_class (void);
6342 extern int current_lang_depth (void);
6343 extern void push_lang_context (tree
);
6344 extern void pop_lang_context (void);
6345 extern tree
instantiate_type (tree
, tree
, tsubst_flags_t
);
6346 extern void build_self_reference (void);
6347 extern int same_signature_p (const_tree
, const_tree
);
6348 extern tree
lookup_vfn_in_binfo (tree
, tree
);
6349 extern void maybe_add_class_template_decl_list (tree
, tree
, int);
6350 extern void unreverse_member_declarations (tree
);
6351 extern void invalidate_class_lookup_cache (void);
6352 extern void maybe_note_name_used_in_class (tree
, tree
);
6353 extern void note_name_declared_in_class (tree
, tree
);
6354 extern tree
get_vtbl_decl_for_binfo (tree
);
6355 extern bool vptr_via_virtual_p (tree
);
6356 extern void debug_class (tree
);
6357 extern void debug_thunks (tree
);
6358 extern void set_linkage_according_to_type (tree
, tree
);
6359 extern void determine_key_method (tree
);
6360 extern void check_for_override (tree
, tree
);
6361 extern void push_class_stack (void);
6362 extern void pop_class_stack (void);
6363 extern bool default_ctor_p (const_tree
);
6364 extern bool type_has_user_nondefault_constructor (tree
);
6365 extern tree
in_class_defaulted_default_constructor (tree
);
6366 extern bool user_provided_p (tree
);
6367 extern bool type_has_user_provided_constructor (tree
);
6368 extern bool type_has_non_user_provided_default_constructor (tree
);
6369 extern bool vbase_has_user_provided_move_assign (tree
);
6370 extern tree
default_init_uninitialized_part (tree
);
6371 extern bool trivial_default_constructor_is_constexpr (tree
);
6372 extern bool type_has_constexpr_default_constructor (tree
);
6373 extern bool type_has_constexpr_destructor (tree
);
6374 extern bool type_has_virtual_destructor (tree
);
6375 extern bool classtype_has_move_assign_or_move_ctor_p (tree
, bool user_declared
);
6376 extern bool classtype_has_non_deleted_move_ctor (tree
);
6377 extern bool classtype_has_non_deleted_copy_ctor (tree
);
6378 extern tree
classtype_has_depr_implicit_copy (tree
);
6379 extern bool classtype_has_op (tree
, tree_code
);
6380 extern tree
classtype_has_defaulted_op (tree
, tree_code
);
6381 extern bool type_build_ctor_call (tree
);
6382 extern bool type_build_dtor_call (tree
);
6383 extern void explain_non_literal_class (tree
);
6384 extern void inherit_targ_abi_tags (tree
);
6385 extern void defaulted_late_check (tree
);
6386 extern bool defaultable_fn_check (tree
);
6387 extern void check_abi_tags (tree
);
6388 extern tree
missing_abi_tags (tree
);
6389 extern void fixup_type_variants (tree
);
6390 extern void fixup_attribute_variants (tree
);
6391 extern void clone_cdtor (tree
, bool);
6392 extern tree
copy_operator_fn (tree
, tree_code code
);
6393 extern void adjust_clone_args (tree
);
6394 extern void deduce_noexcept_on_destructor (tree
);
6395 extern bool uniquely_derived_from_p (tree
, tree
);
6396 extern bool publicly_uniquely_derived_p (tree
, tree
);
6397 extern tree
common_enclosing_class (tree
, tree
);
6400 extern tree
convert_to_reference (tree
, tree
, int, int, tree
,
6402 extern tree
convert_from_reference (tree
);
6403 extern tree
force_rvalue (tree
, tsubst_flags_t
);
6404 extern tree
ocp_convert (tree
, tree
, int, int,
6406 extern tree
cp_convert (tree
, tree
, tsubst_flags_t
);
6407 extern tree
cp_convert_and_check (tree
, tree
, tsubst_flags_t
);
6408 extern tree
cp_fold_convert (tree
, tree
);
6409 extern tree
cp_get_callee (tree
);
6410 extern tree
cp_get_callee_fndecl (tree
);
6411 extern tree
cp_get_callee_fndecl_nofold (tree
);
6412 extern tree
cp_get_fndecl_from_callee (tree
, bool fold
= true);
6413 extern tree
convert_to_void (tree
, impl_conv_void
,
6415 extern tree
convert_force (tree
, tree
, int,
6417 extern tree
build_expr_type_conversion (int, tree
, bool);
6418 extern tree
type_promotes_to (tree
);
6419 extern bool can_convert_qual (tree
, tree
);
6420 extern tree
perform_qualification_conversions (tree
, tree
);
6421 extern bool tx_safe_fn_type_p (tree
);
6422 extern tree
tx_unsafe_fn_variant (tree
);
6423 extern bool fnptr_conv_p (tree
, tree
);
6424 extern tree
strip_fnptr_conv (tree
);
6426 /* in name-lookup.c */
6427 extern void maybe_push_cleanup_level (tree
);
6428 extern tree
maybe_push_decl (tree
);
6429 extern tree
current_decl_namespace (void);
6432 extern tree
poplevel (int, int, int);
6433 extern void cxx_init_decl_processing (void);
6434 enum cp_tree_node_structure_enum cp_tree_node_structure
6435 (union lang_tree_node
*);
6436 extern void finish_scope (void);
6437 extern void push_switch (tree
);
6438 extern void pop_switch (void);
6439 extern void note_break_stmt (void);
6440 extern bool note_iteration_stmt_body_start (void);
6441 extern void note_iteration_stmt_body_end (bool);
6442 extern void determine_local_discriminator (tree
);
6443 extern int decls_match (tree
, tree
, bool = true);
6444 extern bool maybe_version_functions (tree
, tree
, bool);
6445 extern tree
duplicate_decls (tree
, tree
,
6446 bool hiding
= false,
6447 bool was_hidden
= false);
6448 extern tree
declare_local_label (tree
);
6449 extern tree
define_label (location_t
, tree
);
6450 extern void check_goto (tree
);
6451 extern bool check_omp_return (void);
6452 extern tree
make_typename_type (tree
, tree
, enum tag_types
, tsubst_flags_t
);
6453 extern tree
build_typename_type (tree
, tree
, tree
, tag_types
);
6454 extern tree
make_unbound_class_template (tree
, tree
, tree
, tsubst_flags_t
);
6455 extern tree
build_library_fn_ptr (const char *, tree
, int);
6456 extern tree
build_cp_library_fn_ptr (const char *, tree
, int);
6457 extern tree
push_library_fn (tree
, tree
, tree
, int);
6458 extern tree
push_void_library_fn (tree
, tree
, int);
6459 extern tree
push_throw_library_fn (tree
, tree
);
6460 extern void warn_misplaced_attr_for_class_type (location_t location
,
6462 extern tree
check_tag_decl (cp_decl_specifier_seq
*, bool);
6463 extern tree
shadow_tag (cp_decl_specifier_seq
*);
6464 extern tree
groktypename (cp_decl_specifier_seq
*, const cp_declarator
*, bool);
6465 extern tree
start_decl (const cp_declarator
*, cp_decl_specifier_seq
*, int, tree
, tree
, tree
*);
6466 extern void start_decl_1 (tree
, bool);
6467 extern bool check_array_initializer (tree
, tree
, tree
);
6468 extern void omp_declare_variant_finalize (tree
, tree
);
6469 extern void cp_finish_decl (tree
, tree
, bool, tree
, int);
6470 extern tree
lookup_decomp_type (tree
);
6471 extern void cp_maybe_mangle_decomp (tree
, tree
, unsigned int);
6472 extern void cp_finish_decomp (tree
, tree
, unsigned int);
6473 extern int cp_complete_array_type (tree
*, tree
, bool);
6474 extern int cp_complete_array_type_or_error (tree
*, tree
, bool, tsubst_flags_t
);
6475 extern tree
build_ptrmemfunc_type (tree
);
6476 extern tree
build_ptrmem_type (tree
, tree
);
6477 /* the grokdeclarator prototype is in decl.h */
6478 extern tree
build_this_parm (tree
, tree
, cp_cv_quals
);
6479 extern tree
grokparms (tree
, tree
*);
6480 extern int copy_fn_p (const_tree
);
6481 extern bool move_fn_p (const_tree
);
6482 extern bool move_signature_fn_p (const_tree
);
6483 extern tree
get_scope_of_declarator (const cp_declarator
*);
6484 extern void grok_special_member_properties (tree
);
6485 extern bool grok_ctor_properties (const_tree
, const_tree
);
6486 extern bool grok_op_properties (tree
, bool);
6487 extern tree
xref_tag (tag_types
, tree
,
6488 TAG_how
= TAG_how::CURRENT_ONLY
,
6489 bool tpl_header_p
= false);
6490 extern void xref_basetypes (tree
, tree
);
6491 extern tree
start_enum (tree
, tree
, tree
, tree
, bool, bool *);
6492 extern void finish_enum_value_list (tree
);
6493 extern void finish_enum (tree
);
6494 extern void build_enumerator (tree
, tree
, tree
, tree
, location_t
);
6495 extern tree
lookup_enumerator (tree
, tree
);
6496 extern bool start_preparsed_function (tree
, tree
, int);
6497 extern bool start_function (cp_decl_specifier_seq
*,
6498 const cp_declarator
*, tree
);
6499 extern tree
begin_function_body (void);
6500 extern void finish_function_body (tree
);
6501 extern tree
outer_curly_brace_block (tree
);
6502 extern tree
finish_function (bool);
6503 extern tree
grokmethod (cp_decl_specifier_seq
*, const cp_declarator
*, tree
);
6504 extern void maybe_register_incomplete_var (tree
);
6505 extern void maybe_commonize_var (tree
);
6506 extern void complete_vars (tree
);
6507 extern tree
static_fn_type (tree
);
6508 extern void revert_static_member_fn (tree
);
6509 extern void fixup_anonymous_aggr (tree
);
6510 extern tree
compute_array_index_type (tree
, tree
, tsubst_flags_t
);
6511 extern tree
check_default_argument (tree
, tree
, tsubst_flags_t
);
6512 extern int wrapup_namespace_globals ();
6513 extern tree
create_implicit_typedef (tree
, tree
);
6514 extern int local_variable_p (const_tree
);
6515 extern tree
register_dtor_fn (tree
);
6516 extern tmpl_spec_kind
current_tmpl_spec_kind (int);
6517 extern tree
cxx_builtin_function (tree decl
);
6518 extern tree
cxx_builtin_function_ext_scope (tree decl
);
6519 extern tree
cxx_simulate_builtin_function_decl (tree
);
6520 extern tree
check_elaborated_type_specifier (enum tag_types
, tree
, bool);
6521 extern void warn_extern_redeclared_static (tree
, tree
);
6522 extern tree
cxx_comdat_group (tree
);
6523 extern bool cp_missing_noreturn_ok_p (tree
);
6524 extern bool is_direct_enum_init (tree
, tree
);
6525 extern void initialize_artificial_var (tree
, vec
<constructor_elt
, va_gc
> *);
6526 extern tree
check_var_type (tree
, tree
, location_t
);
6527 extern tree
reshape_init (tree
, tree
, tsubst_flags_t
);
6528 extern tree
next_initializable_field (tree
);
6529 extern tree
fndecl_declared_return_type (tree
);
6530 extern bool undeduced_auto_decl (tree
);
6531 extern bool require_deduced_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
6533 extern tree
finish_case_label (location_t
, tree
, tree
);
6534 extern tree
cxx_maybe_build_cleanup (tree
, tsubst_flags_t
);
6535 extern bool check_array_designated_initializer (constructor_elt
*,
6536 unsigned HOST_WIDE_INT
);
6537 extern bool check_for_uninitialized_const_var (tree
, bool, tsubst_flags_t
);
6538 extern tree
build_explicit_specifier (tree
, tsubst_flags_t
);
6539 extern void do_push_parm_decls (tree
, tree
, tree
*);
6540 extern tree
do_aggregate_paren_init (tree
, tree
);
6543 extern void record_mangling (tree
, bool);
6544 extern void overwrite_mangling (tree
, tree
);
6545 extern void note_mangling_alias (tree
, tree
);
6546 extern void generate_mangling_aliases (void);
6547 extern tree
build_memfn_type (tree
, tree
, cp_cv_quals
, cp_ref_qualifier
);
6548 extern tree
build_pointer_ptrmemfn_type (tree
);
6549 extern tree
change_return_type (tree
, tree
);
6550 extern void maybe_retrofit_in_chrg (tree
);
6551 extern void maybe_make_one_only (tree
);
6552 extern bool vague_linkage_p (tree
);
6553 extern void grokclassfn (tree
, tree
,
6554 enum overload_flags
);
6555 extern tree
grok_array_decl (location_t
, tree
, tree
, bool);
6556 extern tree
delete_sanity (location_t
, tree
, tree
, bool,
6557 int, tsubst_flags_t
);
6558 extern tree
check_classfn (tree
, tree
, tree
);
6559 extern void check_member_template (tree
);
6560 extern tree
grokfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6561 tree
, bool, tree
, tree
);
6562 extern tree
grokbitfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6564 extern tree
splice_template_attributes (tree
*, tree
);
6565 extern bool any_dependent_type_attributes_p (tree
);
6566 extern tree
cp_reconstruct_complex_type (tree
, tree
);
6567 extern bool attributes_naming_typedef_ok (tree
);
6568 extern void cplus_decl_attributes (tree
*, tree
, int);
6569 extern void finish_anon_union (tree
);
6570 extern void cxx_post_compilation_parsing_cleanups (void);
6571 extern tree
coerce_new_type (tree
, location_t
);
6572 extern void coerce_delete_type (tree
, location_t
);
6573 extern void comdat_linkage (tree
);
6574 extern void determine_visibility (tree
);
6575 extern void constrain_class_visibility (tree
);
6576 extern void reset_type_linkage (tree
);
6577 extern void tentative_decl_linkage (tree
);
6578 extern void import_export_decl (tree
);
6579 extern tree
build_cleanup (tree
);
6580 extern tree
build_offset_ref_call_from_tree (tree
, vec
<tree
, va_gc
> **,
6582 extern bool decl_defined_p (tree
);
6583 extern bool decl_constant_var_p (tree
);
6584 extern bool decl_maybe_constant_var_p (tree
);
6585 extern void no_linkage_error (tree
);
6586 extern void check_default_args (tree
);
6587 extern bool mark_used (tree
);
6588 extern bool mark_used (tree
, tsubst_flags_t
);
6589 extern void finish_static_data_member_decl (tree
, tree
, bool, tree
, int);
6590 extern tree
cp_build_parm_decl (tree
, tree
, tree
);
6591 extern void copy_linkage (tree
, tree
);
6592 extern tree
get_guard (tree
);
6593 extern tree
get_guard_cond (tree
, bool);
6594 extern tree
set_guard (tree
);
6595 extern tree
maybe_get_tls_wrapper_call (tree
);
6596 extern void mark_needed (tree
);
6597 extern bool decl_needed_p (tree
);
6598 extern void note_vague_linkage_fn (tree
);
6599 extern void note_variable_template_instantiation (tree
);
6600 extern tree
build_artificial_parm (tree
, tree
, tree
);
6601 extern bool possibly_inlined_p (tree
);
6602 extern int parm_index (tree
);
6603 extern tree
vtv_start_verification_constructor_init_function (void);
6604 extern tree
vtv_finish_verification_constructor_init_function (tree
);
6605 extern bool cp_omp_mappable_type (tree
);
6606 extern bool cp_omp_emit_unmappable_type_notes (tree
);
6607 extern void cp_check_const_attributes (tree
);
6610 extern const char *type_as_string (tree
, int);
6611 extern const char *type_as_string_translate (tree
, int);
6612 extern const char *decl_as_string (tree
, int);
6613 extern const char *decl_as_string_translate (tree
, int);
6614 extern const char *decl_as_dwarf_string (tree
, int);
6615 extern const char *expr_as_string (tree
, int);
6616 extern const char *expr_to_string (tree
);
6617 extern const char *lang_decl_name (tree
, int, bool);
6618 extern const char *lang_decl_dwarf_name (tree
, int, bool);
6619 extern const char *language_to_string (enum languages
);
6620 extern const char *class_key_or_enum_as_string (tree
);
6621 extern void maybe_warn_variadic_templates (void);
6622 extern void maybe_warn_cpp0x (cpp0x_warn_str str
);
6623 extern bool pedwarn_cxx98 (location_t
, int, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
6624 extern location_t
location_of (tree
);
6625 extern void qualified_name_lookup_error (tree
, tree
, tree
,
6629 extern void init_exception_processing (void);
6630 extern tree
expand_start_catch_block (tree
);
6631 extern void expand_end_catch_block (void);
6632 extern tree
build_exc_ptr (void);
6633 extern tree
build_throw (location_t
, tree
);
6634 extern int nothrow_libfn_p (const_tree
);
6635 extern void check_handlers (tree
);
6636 extern tree
finish_noexcept_expr (tree
, tsubst_flags_t
);
6637 extern bool expr_noexcept_p (tree
, tsubst_flags_t
);
6638 extern void perform_deferred_noexcept_checks (void);
6639 extern bool nothrow_spec_p (const_tree
);
6640 extern bool type_noexcept_p (const_tree
);
6641 extern bool type_throw_all_p (const_tree
);
6642 extern tree
build_noexcept_spec (tree
, tsubst_flags_t
);
6643 extern void choose_personality_routine (enum languages
);
6644 extern tree
build_must_not_throw_expr (tree
,tree
);
6645 extern tree
eh_type_info (tree
);
6646 extern tree
begin_eh_spec_block (void);
6647 extern void finish_eh_spec_block (tree
, tree
);
6648 extern tree
build_eh_type_type (tree
);
6649 extern tree
cp_protect_cleanup_actions (void);
6650 extern void maybe_splice_retval_cleanup (tree
);
6651 extern tree
maybe_set_retval_sentinel (void);
6653 extern tree
template_parms_to_args (tree
);
6654 extern tree
template_parms_level_to_args (tree
);
6655 extern tree
generic_targs_for (tree
);
6658 extern tree
cplus_expand_constant (tree
);
6659 extern tree
mark_use (tree expr
, bool rvalue_p
, bool read_p
,
6660 location_t
= UNKNOWN_LOCATION
,
6661 bool reject_builtin
= true);
6662 extern tree
mark_rvalue_use (tree
,
6663 location_t
= UNKNOWN_LOCATION
,
6664 bool reject_builtin
= true);
6665 extern tree
mark_lvalue_use (tree
);
6666 extern tree
mark_lvalue_use_nonread (tree
);
6667 extern tree
mark_type_use (tree
);
6668 extern tree
mark_discarded_use (tree
);
6669 extern void mark_exp_read (tree
);
6672 extern int is_friend (tree
, tree
);
6673 extern void make_friend_class (tree
, tree
, bool);
6674 extern void add_friend (tree
, tree
, bool);
6675 extern tree
do_friend (tree
, tree
, tree
, tree
,
6676 enum overload_flags
, bool);
6678 extern void set_global_friend (tree
);
6679 extern bool is_global_friend (tree
);
6682 extern tree
expand_member_init (tree
);
6683 extern void emit_mem_initializers (tree
);
6684 extern tree
build_aggr_init (tree
, tree
, int,
6686 extern int is_class_type (tree
, int);
6687 extern tree
get_type_value (tree
);
6688 extern tree
build_zero_init (tree
, tree
, bool);
6689 extern tree
build_value_init (tree
, tsubst_flags_t
);
6690 extern tree
build_value_init_noctor (tree
, tsubst_flags_t
);
6691 extern tree
get_nsdmi (tree
, bool, tsubst_flags_t
);
6692 extern tree
build_offset_ref (tree
, tree
, bool,
6694 extern tree
throw_bad_array_new_length (void);
6695 extern bool type_has_new_extended_alignment (tree
);
6696 extern unsigned malloc_alignment (void);
6697 extern tree
build_new_constexpr_heap_type (tree
, tree
, tree
);
6698 extern tree
build_new (location_t
,
6699 vec
<tree
, va_gc
> **, tree
,
6700 tree
, vec
<tree
, va_gc
> **,
6701 int, tsubst_flags_t
);
6702 extern tree
get_temp_regvar (tree
, tree
);
6703 extern tree
build_vec_init (tree
, tree
, tree
, bool, int,
6705 extern tree
build_delete (location_t
, tree
, tree
,
6706 special_function_kind
,
6707 int, int, tsubst_flags_t
);
6708 extern void push_base_cleanups (void);
6709 extern tree
build_vec_delete (location_t
, tree
, tree
,
6710 special_function_kind
, int,
6712 extern tree
create_temporary_var (tree
);
6713 extern void initialize_vtbl_ptrs (tree
);
6714 extern tree
scalar_constant_value (tree
);
6715 extern tree
decl_constant_value (tree
, bool);
6716 extern tree
decl_really_constant_value (tree
, bool = true);
6717 extern int diagnose_uninitialized_cst_or_ref_member (tree
, bool, bool);
6718 extern tree
build_vtbl_address (tree
);
6719 extern bool maybe_reject_flexarray_init (tree
, tree
);
6722 extern void cxx_dup_lang_specific_decl (tree
);
6723 extern tree
unqualified_name_lookup_error (tree
,
6724 location_t
= UNKNOWN_LOCATION
);
6725 extern tree
unqualified_fn_lookup_error (cp_expr
);
6726 extern tree
make_conv_op_name (tree
);
6727 extern tree
build_lang_decl (enum tree_code
, tree
, tree
);
6728 extern tree
build_lang_decl_loc (location_t
, enum tree_code
, tree
, tree
);
6729 extern void retrofit_lang_decl (tree
);
6730 extern void fit_decomposition_lang_decl (tree
, tree
);
6731 extern tree
copy_decl (tree CXX_MEM_STAT_INFO
);
6732 extern tree
copy_type (tree CXX_MEM_STAT_INFO
);
6733 extern tree
cxx_make_type (enum tree_code CXX_MEM_STAT_INFO
);
6734 extern tree
make_class_type (enum tree_code CXX_MEM_STAT_INFO
);
6735 extern const char *get_identifier_kind_name (tree
);
6736 extern void set_identifier_kind (tree
, cp_identifier_kind
);
6737 extern bool cxx_init (void);
6738 extern void cxx_finish (void);
6739 extern bool in_main_input_context (void);
6742 extern void init_method (void);
6743 extern tree
make_thunk (tree
, bool, tree
, tree
);
6744 extern void finish_thunk (tree
);
6745 extern void use_thunk (tree
, bool);
6746 extern bool trivial_fn_p (tree
);
6747 extern tree
forward_parm (tree
);
6748 extern bool is_trivially_xible (enum tree_code
, tree
, tree
);
6749 extern bool is_xible (enum tree_code
, tree
, tree
);
6750 extern tree
get_defaulted_eh_spec (tree
, tsubst_flags_t
= tf_warning_or_error
);
6751 extern bool maybe_explain_implicit_delete (tree
);
6752 extern void explain_implicit_non_constexpr (tree
);
6753 extern void deduce_inheriting_ctor (tree
);
6754 extern bool decl_remember_implicit_trigger_p (tree
);
6755 extern void synthesize_method (tree
);
6756 extern tree
lazily_declare_fn (special_function_kind
,
6758 extern tree
skip_artificial_parms_for (const_tree
, tree
);
6759 extern int num_artificial_parms_for (const_tree
);
6760 extern tree
make_alias_for (tree
, tree
);
6761 extern tree
get_copy_ctor (tree
, tsubst_flags_t
);
6762 extern tree
get_copy_assign (tree
);
6763 extern tree
get_default_ctor (tree
);
6764 extern tree
get_dtor (tree
, tsubst_flags_t
);
6765 extern tree
strip_inheriting_ctors (tree
);
6766 extern tree
inherited_ctor_binfo (tree
);
6767 extern bool base_ctor_omit_inherited_parms (tree
);
6768 extern bool ctor_omit_inherited_parms (tree
);
6769 extern tree
locate_ctor (tree
);
6770 extern tree
implicitly_declare_fn (special_function_kind
, tree
,
6774 extern bool maybe_clone_body (tree
);
6777 extern tree
cp_convert_range_for (tree
, tree
, tree
, tree
, unsigned int, bool,
6779 extern void cp_convert_omp_range_for (tree
&, vec
<tree
, va_gc
> *, tree
&,
6780 tree
&, tree
&, tree
&, tree
&, tree
&);
6781 extern void cp_finish_omp_range_for (tree
, tree
);
6782 extern bool parsing_nsdmi (void);
6783 extern bool parsing_default_capturing_generic_lambda_in_template (void);
6784 extern void inject_this_parameter (tree
, cp_cv_quals
);
6785 extern location_t
defparse_location (tree
);
6786 extern void maybe_show_extern_c_location (void);
6787 extern bool literal_integer_zerop (const_tree
);
6790 extern void push_access_scope (tree
);
6791 extern void pop_access_scope (tree
);
6792 extern bool check_template_shadow (tree
);
6793 extern bool check_auto_in_tmpl_args (tree
, tree
);
6794 extern tree
get_innermost_template_args (tree
, int);
6795 extern void maybe_begin_member_template_processing (tree
);
6796 extern void maybe_end_member_template_processing (void);
6797 extern tree
finish_member_template_decl (tree
);
6798 extern void begin_template_parm_list (void);
6799 extern bool begin_specialization (void);
6800 extern void reset_specialization (void);
6801 extern void end_specialization (void);
6802 extern void begin_explicit_instantiation (void);
6803 extern void end_explicit_instantiation (void);
6804 extern void check_unqualified_spec_or_inst (tree
, location_t
);
6805 extern tree
check_explicit_specialization (tree
, tree
, int, int,
6807 extern int num_template_headers_for_class (tree
);
6808 extern void check_template_variable (tree
);
6809 extern tree
make_auto (void);
6810 extern tree
make_decltype_auto (void);
6811 extern tree
make_constrained_auto (tree
, tree
);
6812 extern tree
make_constrained_decltype_auto (tree
, tree
);
6813 extern tree
make_template_placeholder (tree
);
6814 extern bool template_placeholder_p (tree
);
6815 extern bool ctad_template_p (tree
);
6816 extern tree
do_auto_deduction (tree
, tree
, tree
,
6818 = tf_warning_or_error
,
6819 auto_deduction_context
6822 int = LOOKUP_NORMAL
);
6823 extern tree
type_uses_auto (tree
);
6824 extern tree
type_uses_auto_or_concept (tree
);
6825 extern void append_type_to_template_for_access_check (tree
, tree
, tree
,
6827 extern tree
convert_generic_types_to_packs (tree
, int, int);
6828 extern tree
splice_late_return_type (tree
, tree
);
6829 extern bool is_auto (const_tree
);
6830 extern tree
process_template_parm (tree
, location_t
, tree
,
6832 extern tree
end_template_parm_list (tree
);
6833 extern void end_template_parm_list (void);
6834 extern void end_template_decl (void);
6835 extern tree
maybe_update_decl_type (tree
, tree
);
6836 extern bool check_default_tmpl_args (tree
, tree
, bool, bool, int);
6837 extern tree
push_template_decl (tree
, bool is_friend
= false);
6838 extern tree
add_inherited_template_parms (tree
, tree
);
6839 extern void template_parm_level_and_index (tree
, int*, int*);
6840 extern bool redeclare_class_template (tree
, tree
, tree
);
6841 extern tree
lookup_template_class (tree
, tree
, tree
, tree
,
6842 int, tsubst_flags_t
);
6843 extern tree
lookup_template_function (tree
, tree
);
6844 extern tree
lookup_template_variable (tree
, tree
);
6845 extern int uses_template_parms (tree
);
6846 extern bool uses_template_parms_level (tree
, int);
6847 extern bool in_template_function (void);
6848 extern bool need_generic_capture (void);
6849 extern tree
instantiate_class_template (tree
);
6850 extern tree
instantiate_template (tree
, tree
, tsubst_flags_t
);
6851 extern tree
fn_type_unification (tree
, tree
, tree
,
6852 const tree
*, unsigned int,
6853 tree
, unification_kind_t
, int,
6854 struct conversion
**,
6856 extern void mark_decl_instantiated (tree
, int);
6857 extern int more_specialized_fn (tree
, tree
, int);
6858 extern void do_decl_instantiation (tree
, tree
);
6859 extern void do_type_instantiation (tree
, tree
, tsubst_flags_t
);
6860 extern bool always_instantiate_p (tree
);
6861 extern bool maybe_instantiate_noexcept (tree
, tsubst_flags_t
= tf_warning_or_error
);
6862 extern tree
instantiate_decl (tree
, bool, bool);
6863 extern void maybe_instantiate_decl (tree
);
6864 extern int comp_template_parms (const_tree
, const_tree
);
6865 extern bool template_heads_equivalent_p (const_tree
, const_tree
);
6866 extern bool builtin_pack_fn_p (tree
);
6867 extern tree
uses_parameter_packs (tree
);
6868 extern bool template_parameter_pack_p (const_tree
);
6869 extern bool function_parameter_pack_p (const_tree
);
6870 extern bool function_parameter_expanded_from_pack_p (tree
, tree
);
6871 extern tree
make_pack_expansion (tree
, tsubst_flags_t
= tf_warning_or_error
);
6872 extern bool check_for_bare_parameter_packs (tree
, location_t
= UNKNOWN_LOCATION
);
6873 extern tree
build_template_info (tree
, tree
);
6874 extern tree
get_template_info (const_tree
);
6875 extern int template_class_depth (tree
);
6876 extern int is_specialization_of (tree
, tree
);
6877 extern bool is_specialization_of_friend (tree
, tree
);
6878 extern tree
get_pattern_parm (tree
, tree
);
6879 extern int comp_template_args (tree
, tree
, tree
* = NULL
,
6880 tree
* = NULL
, bool = false);
6881 extern int template_args_equal (tree
, tree
, bool = false);
6882 extern tree
maybe_process_partial_specialization (tree
);
6883 extern tree
most_specialized_instantiation (tree
);
6884 extern tree
most_specialized_partial_spec (tree
, tsubst_flags_t
);
6885 extern void print_candidates (tree
);
6886 extern void instantiate_pending_templates (int);
6887 extern tree
tsubst_default_argument (tree
, int, tree
, tree
,
6889 extern tree
tsubst (tree
, tree
, tsubst_flags_t
, tree
);
6890 extern tree
tsubst_copy_and_build (tree
, tree
, tsubst_flags_t
,
6891 tree
, bool = false, bool = false);
6892 extern tree
tsubst_expr (tree
, tree
, tsubst_flags_t
,
6894 extern tree
tsubst_pack_expansion (tree
, tree
, tsubst_flags_t
, tree
);
6895 extern tree
tsubst_argument_pack (tree
, tree
, tsubst_flags_t
, tree
);
6896 extern tree
tsubst_template_args (tree
, tree
, tsubst_flags_t
, tree
);
6897 extern tree
tsubst_template_arg (tree
, tree
, tsubst_flags_t
, tree
);
6898 extern tree
tsubst_function_parms (tree
, tree
, tsubst_flags_t
, tree
);
6899 extern tree
most_general_template (tree
);
6900 extern tree
get_mostly_instantiated_function_type (tree
);
6901 extern bool problematic_instantiation_changed (void);
6902 extern void record_last_problematic_instantiation (void);
6903 extern struct tinst_level
*current_instantiation(void);
6904 extern bool instantiating_current_function_p (void);
6905 extern tree
maybe_get_template_decl_from_type_decl (tree
);
6906 extern int processing_template_parmlist
;
6907 extern bool dependent_type_p (tree
);
6908 extern bool dependent_scope_p (tree
);
6909 extern bool any_dependent_template_arguments_p (const_tree
);
6910 extern bool any_erroneous_template_args_p (const_tree
);
6911 extern bool dependent_template_p (tree
);
6912 extern bool dependent_template_id_p (tree
, tree
);
6913 extern bool type_dependent_expression_p (tree
);
6914 extern bool type_dependent_object_expression_p (tree
);
6915 extern bool any_type_dependent_arguments_p (const vec
<tree
, va_gc
> *);
6916 extern bool any_type_dependent_elements_p (const_tree
);
6917 extern bool type_dependent_expression_p_push (tree
);
6918 extern bool value_dependent_expression_p (tree
);
6919 extern bool instantiation_dependent_expression_p (tree
);
6920 extern bool instantiation_dependent_uneval_expression_p (tree
);
6921 extern bool any_value_dependent_elements_p (const_tree
);
6922 extern bool dependent_omp_for_p (tree
, tree
, tree
, tree
);
6923 extern tree
resolve_typename_type (tree
, bool);
6924 extern tree
template_for_substitution (tree
);
6925 extern tree
build_non_dependent_expr (tree
);
6926 extern void make_args_non_dependent (vec
<tree
, va_gc
> *);
6927 extern bool reregister_specialization (tree
, tree
, tree
);
6928 extern tree
instantiate_non_dependent_expr (tree
);
6929 extern tree
instantiate_non_dependent_expr_sfinae (tree
, tsubst_flags_t
);
6930 extern tree
instantiate_non_dependent_expr_internal (tree
, tsubst_flags_t
);
6931 extern tree
instantiate_non_dependent_or_null (tree
);
6932 extern bool variable_template_specialization_p (tree
);
6933 extern bool alias_type_or_template_p (tree
);
6934 enum { nt_opaque
= false, nt_transparent
= true };
6935 extern tree
alias_template_specialization_p (const_tree
, bool);
6936 extern tree
dependent_alias_template_spec_p (const_tree
, bool);
6937 extern bool template_parm_object_p (const_tree
);
6938 extern tree
tparm_object_argument (tree
);
6939 extern bool explicit_class_specialization_p (tree
);
6940 extern bool push_tinst_level (tree
);
6941 extern bool push_tinst_level (tree
, tree
);
6942 extern bool push_tinst_level_loc (tree
, location_t
);
6943 extern bool push_tinst_level_loc (tree
, tree
, location_t
);
6944 extern void pop_tinst_level (void);
6945 extern struct tinst_level
*outermost_tinst_level(void);
6946 extern void init_template_processing (void);
6947 extern void print_template_statistics (void);
6948 bool template_template_parameter_p (const_tree
);
6949 bool template_type_parameter_p (const_tree
);
6950 extern bool primary_template_specialization_p (const_tree
);
6951 extern tree
get_primary_template_innermost_parameters (const_tree
);
6952 extern tree
get_template_parms_at_level (tree
, int);
6953 extern tree
get_template_innermost_arguments (const_tree
);
6954 extern tree
get_template_argument_pack_elems (const_tree
);
6955 extern tree
get_function_template_decl (const_tree
);
6956 extern tree
resolve_nondeduced_context (tree
, tsubst_flags_t
);
6957 extern tree
resolve_nondeduced_context_or_error (tree
, tsubst_flags_t
);
6958 extern hashval_t
iterative_hash_template_arg (tree arg
, hashval_t val
);
6959 extern tree
coerce_template_parms (tree
, tree
, tree
);
6960 extern tree
coerce_template_parms (tree
, tree
, tree
, tsubst_flags_t
);
6961 extern tree
canonicalize_type_argument (tree
, tsubst_flags_t
);
6962 extern void register_local_specialization (tree
, tree
);
6963 extern tree
retrieve_local_specialization (tree
);
6964 extern tree
extract_fnparm_pack (tree
, tree
*);
6965 extern tree
template_parm_to_arg (tree
);
6966 extern tree
dguide_name (tree
);
6967 extern bool dguide_name_p (tree
);
6968 extern bool deduction_guide_p (const_tree
);
6969 extern bool copy_guide_p (const_tree
);
6970 extern bool template_guide_p (const_tree
);
6971 extern bool builtin_guide_p (const_tree
);
6972 extern void store_explicit_specifier (tree
, tree
);
6973 extern tree
add_outermost_template_args (tree
, tree
);
6974 extern tree
add_extra_args (tree
, tree
);
6975 extern tree
build_extra_args (tree
, tree
, tsubst_flags_t
);
6978 /* A vector of all tinfo decls that haven't been emitted yet. */
6979 extern GTY(()) vec
<tree
, va_gc
> *unemitted_tinfo_decls
;
6981 extern void init_rtti_processing (void);
6982 extern tree
build_typeid (tree
, tsubst_flags_t
);
6983 extern tree
get_tinfo_decl (tree
);
6984 extern tree
get_typeid (tree
, tsubst_flags_t
);
6985 extern tree
build_headof (tree
);
6986 extern tree
build_dynamic_cast (location_t
, tree
, tree
,
6988 extern void emit_support_tinfos (void);
6989 extern bool emit_tinfo_decl (tree
);
6992 extern bool accessible_base_p (tree
, tree
, bool);
6993 extern tree
lookup_base (tree
, tree
, base_access
,
6994 base_kind
*, tsubst_flags_t
);
6995 extern tree
dcast_base_hint (tree
, tree
);
6996 extern int accessible_p (tree
, tree
, bool);
6997 extern int accessible_in_template_p (tree
, tree
);
6998 extern tree
lookup_field (tree
, tree
, int, bool);
6999 extern tree
lookup_fnfields (tree
, tree
, int, tsubst_flags_t
);
7000 extern tree
lookup_member (tree
, tree
, int, bool,
7002 access_failure_info
*afi
= NULL
);
7003 extern tree
lookup_member_fuzzy (tree
, tree
, bool);
7004 extern tree
locate_field_accessor (tree
, tree
, bool);
7005 extern int look_for_overrides (tree
, tree
);
7006 extern void get_pure_virtuals (tree
);
7007 extern void maybe_suppress_debug_info (tree
);
7008 extern void note_debug_info_needed (tree
);
7009 extern tree
current_scope (void);
7010 extern int at_function_scope_p (void);
7011 extern bool at_class_scope_p (void);
7012 extern bool at_namespace_scope_p (void);
7013 extern tree
context_for_name_lookup (tree
);
7014 extern tree
lookup_conversions (tree
);
7015 extern tree
binfo_from_vbase (tree
);
7016 extern tree
binfo_for_vbase (tree
, tree
);
7017 extern tree
look_for_overrides_here (tree
, tree
);
7018 #define dfs_skip_bases ((tree)1)
7019 extern tree
dfs_walk_all (tree
, tree (*) (tree
, void *),
7020 tree (*) (tree
, void *), void *);
7021 extern tree
dfs_walk_once (tree
, tree (*) (tree
, void *),
7022 tree (*) (tree
, void *), void *);
7023 extern tree
binfo_via_virtual (tree
, tree
);
7024 extern bool binfo_direct_p (tree
);
7025 extern tree
build_baselink (tree
, tree
, tree
, tree
);
7026 extern tree adjust_result_of_qualified_name_lookup
7028 extern tree
copied_binfo (tree
, tree
);
7029 extern tree
original_binfo (tree
, tree
);
7030 extern int shared_member_p (tree
);
7031 extern bool any_dependent_bases_p (tree
= current_nonlambda_class_type ());
7032 extern bool maybe_check_overriding_exception_spec (tree
, tree
);
7034 /* in semantics.c */
7035 extern void push_deferring_access_checks (deferring_kind
);
7036 extern void resume_deferring_access_checks (void);
7037 extern void stop_deferring_access_checks (void);
7038 extern void pop_deferring_access_checks (void);
7039 extern vec
<deferred_access_check
, va_gc
> *get_deferred_access_checks (void);
7040 extern void reopen_deferring_access_checks (vec
<deferred_access_check
, va_gc
> *);
7041 extern void pop_to_parent_deferring_access_checks (void);
7042 extern bool perform_access_checks (vec
<deferred_access_check
, va_gc
> *,
7044 extern bool perform_deferred_access_checks (tsubst_flags_t
);
7045 extern bool perform_or_defer_access_check (tree
, tree
, tree
,
7047 access_failure_info
*afi
= NULL
);
7049 /* RAII sentinel to ensures that deferred access checks are popped before
7050 a function returns. */
7052 class deferring_access_check_sentinel
7055 deferring_access_check_sentinel (enum deferring_kind kind
= dk_deferred
)
7057 push_deferring_access_checks (kind
);
7059 ~deferring_access_check_sentinel ()
7061 pop_deferring_access_checks ();
7065 extern int stmts_are_full_exprs_p (void);
7066 extern void init_cp_semantics (void);
7067 extern tree
do_poplevel (tree
);
7068 extern void break_maybe_infinite_loop (void);
7069 extern void add_decl_expr (tree
);
7070 extern tree
maybe_cleanup_point_expr_void (tree
);
7071 extern tree
finish_expr_stmt (tree
);
7072 extern tree
begin_if_stmt (void);
7073 extern tree
finish_if_stmt_cond (tree
, tree
);
7074 extern tree
finish_then_clause (tree
);
7075 extern void begin_else_clause (tree
);
7076 extern void finish_else_clause (tree
);
7077 extern void finish_if_stmt (tree
);
7078 extern tree
begin_while_stmt (void);
7079 extern void finish_while_stmt_cond (tree
, tree
, bool, unsigned short);
7080 extern void finish_while_stmt (tree
);
7081 extern tree
begin_do_stmt (void);
7082 extern void finish_do_body (tree
);
7083 extern void finish_do_stmt (tree
, tree
, bool, unsigned short);
7084 extern tree
finish_return_stmt (tree
);
7085 extern tree
begin_for_scope (tree
*);
7086 extern tree
begin_for_stmt (tree
, tree
);
7087 extern void finish_init_stmt (tree
);
7088 extern void finish_for_cond (tree
, tree
, bool, unsigned short);
7089 extern void finish_for_expr (tree
, tree
);
7090 extern void finish_for_stmt (tree
);
7091 extern tree
begin_range_for_stmt (tree
, tree
);
7092 extern void finish_range_for_decl (tree
, tree
, tree
);
7093 extern void finish_range_for_stmt (tree
);
7094 extern tree
finish_break_stmt (void);
7095 extern tree
finish_continue_stmt (void);
7096 extern tree
begin_switch_stmt (void);
7097 extern void finish_switch_cond (tree
, tree
);
7098 extern void finish_switch_stmt (tree
);
7099 extern tree
finish_goto_stmt (tree
);
7100 extern tree
begin_try_block (void);
7101 extern void finish_try_block (tree
);
7102 extern void finish_handler_sequence (tree
);
7103 extern tree
begin_function_try_block (tree
*);
7104 extern void finish_function_try_block (tree
);
7105 extern void finish_function_handler_sequence (tree
, tree
);
7106 extern void finish_cleanup_try_block (tree
);
7107 extern tree
begin_handler (void);
7108 extern void finish_handler_parms (tree
, tree
);
7109 extern void finish_handler (tree
);
7110 extern void finish_cleanup (tree
, tree
);
7111 extern bool is_this_parameter (tree
);
7120 extern tree
begin_compound_stmt (unsigned int);
7122 extern void finish_compound_stmt (tree
);
7123 extern tree
finish_asm_stmt (location_t
, int, tree
, tree
,
7124 tree
, tree
, tree
, bool);
7125 extern tree
finish_label_stmt (tree
);
7126 extern void finish_label_decl (tree
);
7127 extern cp_expr
finish_parenthesized_expr (cp_expr
);
7128 extern tree
force_paren_expr (tree
, bool = false);
7129 inline tree
force_paren_expr_uneval (tree t
)
7130 { return force_paren_expr (t
, true); }
7131 extern tree
maybe_undo_parenthesized_ref (tree
);
7132 extern tree
maybe_strip_ref_conversion (tree
);
7133 extern tree
finish_non_static_data_member (tree
, tree
, tree
);
7134 extern tree
begin_stmt_expr (void);
7135 extern tree
finish_stmt_expr_expr (tree
, tree
);
7136 extern tree
finish_stmt_expr (tree
, bool);
7137 extern tree
stmt_expr_value_expr (tree
);
7138 bool empty_expr_stmt_p (tree
);
7139 extern cp_expr
perform_koenig_lookup (cp_expr
, vec
<tree
, va_gc
> *,
7141 extern tree
finish_call_expr (tree
, vec
<tree
, va_gc
> **, bool,
7142 bool, tsubst_flags_t
);
7143 extern tree
lookup_and_finish_template_variable (tree
, tree
, tsubst_flags_t
= tf_warning_or_error
);
7144 extern tree
finish_template_variable (tree
, tsubst_flags_t
= tf_warning_or_error
);
7145 extern cp_expr
finish_increment_expr (cp_expr
, enum tree_code
);
7146 extern tree
finish_this_expr (void);
7147 extern tree
finish_pseudo_destructor_expr (tree
, tree
, tree
, location_t
);
7148 extern cp_expr
finish_unary_op_expr (location_t
, enum tree_code
, cp_expr
,
7150 /* Whether this call to finish_compound_literal represents a C++11 functional
7151 cast or a C99 compound literal. */
7152 enum fcl_t
{ fcl_functional
, fcl_c99
};
7153 extern tree
finish_compound_literal (tree
, tree
, tsubst_flags_t
, fcl_t
= fcl_functional
);
7154 extern tree
finish_fname (tree
);
7155 extern void finish_translation_unit (void);
7156 extern tree
finish_template_type_parm (tree
, tree
);
7157 extern tree
finish_template_template_parm (tree
, tree
);
7158 extern tree
begin_class_definition (tree
);
7159 extern void finish_template_decl (tree
);
7160 extern tree
finish_template_type (tree
, tree
, int);
7161 extern tree
finish_base_specifier (tree
, tree
, bool);
7162 extern void finish_member_declaration (tree
);
7163 extern bool outer_automatic_var_p (tree
);
7164 extern tree
process_outer_var_ref (tree
, tsubst_flags_t
, bool force_use
= false);
7165 extern cp_expr
finish_id_expression (tree
, tree
, tree
,
7168 bool, bool, bool, bool,
7171 extern tree
finish_typeof (tree
);
7172 extern tree
finish_underlying_type (tree
);
7173 extern tree
calculate_bases (tree
, tsubst_flags_t
);
7174 extern tree
finish_bases (tree
, bool);
7175 extern tree
calculate_direct_bases (tree
, tsubst_flags_t
);
7176 extern tree
finish_offsetof (tree
, tree
, location_t
);
7177 extern void finish_decl_cleanup (tree
, tree
);
7178 extern void finish_eh_cleanup (tree
);
7179 extern void emit_associated_thunks (tree
);
7180 extern void finish_mem_initializers (tree
);
7181 extern tree
check_template_template_default_arg (tree
);
7182 extern bool expand_or_defer_fn_1 (tree
);
7183 extern void expand_or_defer_fn (tree
);
7184 extern bool check_accessibility_of_qualified_id (tree
, tree
, tree
, tsubst_flags_t
);
7185 extern tree
finish_qualified_id_expr (tree
, tree
, bool, bool,
7186 bool, bool, tsubst_flags_t
);
7187 extern void simplify_aggr_init_expr (tree
*);
7188 extern void finalize_nrv (tree
*, tree
, tree
);
7189 extern tree
omp_reduction_id (enum tree_code
, tree
, tree
);
7190 extern tree
cp_remove_omp_priv_cleanup_stmt (tree
*, int *, void *);
7191 extern bool cp_check_omp_declare_reduction (tree
);
7192 extern void finish_omp_declare_simd_methods (tree
);
7193 extern tree
finish_omp_clauses (tree
, enum c_omp_region_type
);
7194 extern tree
push_omp_privatization_clauses (bool);
7195 extern void pop_omp_privatization_clauses (tree
);
7196 extern void save_omp_privatization_clauses (vec
<tree
> &);
7197 extern void restore_omp_privatization_clauses (vec
<tree
> &);
7198 extern void finish_omp_threadprivate (tree
);
7199 extern tree
begin_omp_structured_block (void);
7200 extern tree
finish_omp_structured_block (tree
);
7201 extern tree
finish_oacc_data (tree
, tree
);
7202 extern tree
finish_oacc_host_data (tree
, tree
);
7203 extern tree
finish_omp_construct (enum tree_code
, tree
, tree
);
7204 extern tree
begin_omp_parallel (void);
7205 extern tree
finish_omp_parallel (tree
, tree
);
7206 extern tree
begin_omp_task (void);
7207 extern tree
finish_omp_task (tree
, tree
);
7208 extern tree
finish_omp_for (location_t
, enum tree_code
,
7209 tree
, tree
, tree
, tree
, tree
,
7210 tree
, tree
, vec
<tree
> *, tree
);
7211 extern tree
finish_omp_for_block (tree
, tree
);
7212 extern void finish_omp_atomic (location_t
, enum tree_code
,
7213 enum tree_code
, tree
, tree
,
7214 tree
, tree
, tree
, tree
,
7215 enum omp_memory_order
);
7216 extern void finish_omp_barrier (void);
7217 extern void finish_omp_depobj (location_t
, tree
,
7218 enum omp_clause_depend_kind
,
7220 extern void finish_omp_flush (int);
7221 extern void finish_omp_taskwait (void);
7222 extern void finish_omp_taskyield (void);
7223 extern void finish_omp_cancel (tree
);
7224 extern void finish_omp_cancellation_point (tree
);
7225 extern tree
omp_privatize_field (tree
, bool);
7226 extern tree
begin_transaction_stmt (location_t
, tree
*, int);
7227 extern void finish_transaction_stmt (tree
, tree
, int, tree
);
7228 extern tree
build_transaction_expr (location_t
, tree
, int, tree
);
7229 extern bool cxx_omp_create_clause_info (tree
, tree
, bool, bool,
7231 extern tree
baselink_for_fns (tree
);
7232 extern void finish_static_assert (tree
, tree
, location_t
,
7234 extern tree
finish_decltype_type (tree
, bool, tsubst_flags_t
);
7235 extern tree
finish_trait_expr (location_t
, enum cp_trait_kind
, tree
, tree
);
7236 extern tree
build_lambda_expr (void);
7237 extern tree
build_lambda_object (tree
);
7238 extern tree
begin_lambda_type (tree
);
7239 extern tree
lambda_capture_field_type (tree
, bool, bool);
7240 extern tree
lambda_return_type (tree
);
7241 extern tree
lambda_proxy_type (tree
);
7242 extern tree
lambda_function (tree
);
7243 extern void apply_deduced_return_type (tree
, tree
);
7244 extern tree
add_capture (tree
, tree
, tree
, bool, bool);
7245 extern tree
add_default_capture (tree
, tree
, tree
);
7246 extern void insert_capture_proxy (tree
);
7247 extern void insert_pending_capture_proxies (void);
7248 extern bool is_capture_proxy (tree
);
7249 extern bool is_normal_capture_proxy (tree
);
7250 extern bool is_constant_capture_proxy (tree
);
7251 extern void register_capture_members (tree
);
7252 extern tree
lambda_expr_this_capture (tree
, int);
7253 extern void maybe_generic_this_capture (tree
, tree
);
7254 extern tree
maybe_resolve_dummy (tree
, bool);
7255 extern tree
current_nonlambda_function (void);
7256 extern tree
nonlambda_method_basetype (void);
7257 extern tree
current_nonlambda_scope (void);
7258 extern tree
current_lambda_expr (void);
7259 extern bool generic_lambda_fn_p (tree
);
7260 extern tree
do_dependent_capture (tree
, bool = false);
7261 extern bool lambda_fn_in_template_p (tree
);
7262 extern void maybe_add_lambda_conv_op (tree
);
7263 extern bool is_lambda_ignored_entity (tree
);
7264 extern bool lambda_static_thunk_p (tree
);
7265 extern bool call_from_lambda_thunk_p (tree
);
7266 extern tree
finish_builtin_launder (location_t
, tree
,
7268 extern tree
cp_build_vec_convert (tree
, location_t
, tree
,
7270 extern void start_lambda_scope (tree
);
7271 extern void record_lambda_scope (tree
);
7272 extern void record_null_lambda_scope (tree
);
7273 extern void finish_lambda_scope (void);
7274 extern tree
start_lambda_function (tree fn
, tree lambda_expr
);
7275 extern void finish_lambda_function (tree body
);
7278 extern int cp_tree_operand_length (const_tree
);
7279 extern int cp_tree_code_length (enum tree_code
);
7280 extern void cp_free_lang_data (tree t
);
7281 extern tree
force_target_expr (tree
, tree
, tsubst_flags_t
);
7282 extern tree
build_target_expr_with_type (tree
, tree
, tsubst_flags_t
);
7283 extern void lang_check_failed (const char *, int,
7284 const char *) ATTRIBUTE_NORETURN
7286 extern tree
stabilize_expr (tree
, tree
*);
7287 extern void stabilize_call (tree
, tree
*);
7288 extern bool stabilize_init (tree
, tree
*);
7289 extern tree
add_stmt_to_compound (tree
, tree
);
7290 extern void init_tree (void);
7291 extern bool pod_type_p (const_tree
);
7292 extern bool layout_pod_type_p (const_tree
);
7293 extern bool std_layout_type_p (const_tree
);
7294 extern bool trivial_type_p (const_tree
);
7295 extern bool trivially_copyable_p (const_tree
);
7296 extern bool type_has_unique_obj_representations (const_tree
);
7297 extern bool scalarish_type_p (const_tree
);
7298 extern bool structural_type_p (tree
, bool = false);
7299 extern bool type_has_nontrivial_default_init (const_tree
);
7300 extern bool type_has_nontrivial_copy_init (const_tree
);
7301 extern void maybe_warn_parm_abi (tree
, location_t
);
7302 extern bool class_tmpl_impl_spec_p (const_tree
);
7303 extern int zero_init_p (const_tree
);
7304 extern bool zero_init_expr_p (tree
);
7305 extern bool check_abi_tag_redeclaration (const_tree
, const_tree
,
7307 extern bool check_abi_tag_args (tree
, tree
);
7308 extern tree
strip_typedefs (tree
, bool * = NULL
,
7310 extern tree
strip_typedefs_expr (tree
, bool * = NULL
,
7312 extern tree
copy_binfo (tree
, tree
, tree
,
7314 extern int member_p (const_tree
);
7315 extern cp_lvalue_kind
real_lvalue_p (const_tree
);
7316 extern cp_lvalue_kind
lvalue_kind (const_tree
);
7317 extern bool glvalue_p (const_tree
);
7318 extern bool obvalue_p (const_tree
);
7319 extern bool xvalue_p (const_tree
);
7320 extern bool bitfield_p (const_tree
);
7321 extern tree
cp_stabilize_reference (tree
);
7322 extern bool builtin_valid_in_constant_expr_p (const_tree
);
7323 extern tree
build_min (enum tree_code
, tree
, ...);
7324 extern tree
build_min_nt_loc (location_t
, enum tree_code
,
7326 extern tree
build_min_non_dep (enum tree_code
, tree
, ...);
7327 extern tree
build_min_non_dep_op_overload (enum tree_code
, tree
, tree
, ...);
7328 extern tree
build_min_nt_call_vec (tree
, vec
<tree
, va_gc
> *);
7329 extern tree
build_min_non_dep_call_vec (tree
, tree
, vec
<tree
, va_gc
> *);
7330 extern vec
<tree
, va_gc
>* vec_copy_and_insert (vec
<tree
, va_gc
>*, tree
, unsigned);
7331 extern tree
build_cplus_new (tree
, tree
, tsubst_flags_t
);
7332 extern tree
build_local_temp (tree
);
7333 extern bool is_local_temp (tree
);
7334 extern tree
build_aggr_init_expr (tree
, tree
);
7335 extern tree
get_target_expr (tree
);
7336 extern tree
get_target_expr_sfinae (tree
, tsubst_flags_t
);
7337 extern tree
build_cplus_array_type (tree
, tree
);
7338 extern tree
build_array_of_n_type (tree
, int);
7339 extern bool array_of_runtime_bound_p (tree
);
7340 extern bool vla_type_p (tree
);
7341 extern tree
build_array_copy (tree
);
7342 extern tree
build_vec_init_expr (tree
, tree
, tsubst_flags_t
);
7343 extern void diagnose_non_constexpr_vec_init (tree
);
7344 extern tree
hash_tree_cons (tree
, tree
, tree
);
7345 extern tree
hash_tree_chain (tree
, tree
);
7346 extern tree
build_qualified_name (tree
, tree
, tree
, bool);
7347 extern tree
build_ref_qualified_type (tree
, cp_ref_qualifier
);
7348 inline tree
ovl_first (tree
) ATTRIBUTE_PURE
;
7349 extern tree
ovl_make (tree fn
,
7350 tree next
= NULL_TREE
);
7351 extern tree
ovl_insert (tree fn
, tree maybe_ovl
,
7352 int using_or_hidden
= 0);
7353 extern tree
ovl_skip_hidden (tree
) ATTRIBUTE_PURE
;
7354 extern void lookup_mark (tree lookup
, bool val
);
7355 extern tree
lookup_add (tree fns
, tree lookup
);
7356 extern tree
lookup_maybe_add (tree fns
, tree lookup
,
7358 extern int is_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7359 extern bool really_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7360 extern tree
dependent_name (tree
);
7361 extern tree
maybe_get_fns (tree
) ATTRIBUTE_PURE
;
7362 extern tree
get_fns (tree
) ATTRIBUTE_PURE
;
7363 extern tree
get_first_fn (tree
) ATTRIBUTE_PURE
;
7364 extern tree
ovl_scope (tree
);
7365 extern const char *cxx_printable_name (tree
, int);
7366 extern const char *cxx_printable_name_translate (tree
, int);
7367 extern tree
canonical_eh_spec (tree
);
7368 extern tree
build_cp_fntype_variant (tree
, cp_ref_qualifier
, tree
, bool);
7369 extern tree
build_exception_variant (tree
, tree
);
7370 extern tree
bind_template_template_parm (tree
, tree
);
7371 extern tree
array_type_nelts_total (tree
);
7372 extern tree
array_type_nelts_top (tree
);
7373 extern bool array_of_unknown_bound_p (const_tree
);
7374 extern tree
break_out_target_exprs (tree
, bool = false);
7375 extern tree
build_ctor_subob_ref (tree
, tree
, tree
);
7376 extern tree
replace_placeholders (tree
, tree
, bool * = NULL
);
7377 extern bool find_placeholders (tree
);
7378 extern tree
get_type_decl (tree
);
7379 extern tree
decl_namespace_context (tree
);
7380 extern bool decl_anon_ns_mem_p (const_tree
);
7381 extern tree
lvalue_type (tree
);
7382 extern tree
error_type (tree
);
7383 extern int varargs_function_p (const_tree
);
7384 extern bool cp_tree_equal (tree
, tree
);
7385 extern tree
no_linkage_check (tree
, bool);
7386 extern void debug_binfo (tree
);
7387 extern tree
build_dummy_object (tree
);
7388 extern tree
maybe_dummy_object (tree
, tree
*);
7389 extern bool is_dummy_object (const_tree
);
7390 extern bool is_byte_access_type (tree
);
7391 extern const struct attribute_spec cxx_attribute_table
[];
7392 extern tree
make_ptrmem_cst (tree
, tree
);
7393 extern tree
cp_build_type_attribute_variant (tree
, tree
);
7394 extern tree
cp_build_reference_type (tree
, bool);
7395 extern tree
move (tree
);
7396 extern tree
cp_build_qualified_type_real (tree
, int, tsubst_flags_t
);
7397 #define cp_build_qualified_type(TYPE, QUALS) \
7398 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
7399 extern bool cv_qualified_p (const_tree
);
7400 extern tree
cv_unqualified (tree
);
7401 extern special_function_kind
special_function_p (const_tree
);
7402 extern special_function_kind
special_memfn_p (const_tree
);
7403 extern int count_trees (tree
);
7404 extern int char_type_p (tree
);
7405 extern void verify_stmt_tree (tree
);
7406 extern linkage_kind
decl_linkage (tree
);
7407 extern duration_kind
decl_storage_duration (tree
);
7408 extern tree
cp_walk_subtrees (tree
*, int*, walk_tree_fn
,
7409 void*, hash_set
<tree
> *);
7410 #define cp_walk_tree(tp,func,data,pset) \
7411 walk_tree_1 (tp, func, data, pset, cp_walk_subtrees)
7412 #define cp_walk_tree_without_duplicates(tp,func,data) \
7413 walk_tree_without_duplicates_1 (tp, func, data, cp_walk_subtrees)
7414 extern tree
rvalue (tree
);
7415 extern tree
convert_bitfield_to_declared_type (tree
);
7416 extern tree
cp_save_expr (tree
);
7417 extern bool cast_valid_in_integral_constant_expression_p (tree
);
7418 extern bool cxx_type_hash_eq (const_tree
, const_tree
);
7419 extern tree
cxx_copy_lang_qualifiers (const_tree
, const_tree
);
7421 extern void cxx_print_statistics (void);
7422 extern bool maybe_warn_zero_as_null_pointer_constant (tree
, location_t
);
7425 extern void cxx_print_xnode (FILE *, tree
, int);
7426 extern void cxx_print_decl (FILE *, tree
, int);
7427 extern void cxx_print_type (FILE *, tree
, int);
7428 extern void cxx_print_identifier (FILE *, tree
, int);
7429 extern void cxx_print_error_function (diagnostic_context
*,
7431 struct diagnostic_info
*);
7434 /* Says how we should behave when comparing two arrays one of which
7435 has unknown bounds. */
7436 enum compare_bounds_t
{ bounds_none
, bounds_either
, bounds_first
};
7438 extern bool cxx_mark_addressable (tree
, bool = false);
7439 extern int string_conv_p (const_tree
, const_tree
, int);
7440 extern tree
cp_truthvalue_conversion (tree
, tsubst_flags_t
);
7441 extern tree
contextual_conv_bool (tree
, tsubst_flags_t
);
7442 extern tree
condition_conversion (tree
);
7443 extern tree
require_complete_type (tree
);
7444 extern tree
require_complete_type_sfinae (tree
, tsubst_flags_t
);
7445 extern tree
complete_type (tree
);
7446 extern tree
complete_type_or_else (tree
, tree
);
7447 extern tree
complete_type_or_maybe_complain (tree
, tree
, tsubst_flags_t
);
7448 inline bool type_unknown_p (const_tree
);
7449 enum { ce_derived
, ce_type
, ce_normal
, ce_exact
};
7450 extern bool comp_except_specs (const_tree
, const_tree
, int);
7451 extern bool comptypes (tree
, tree
, int);
7452 extern bool same_type_ignoring_top_level_qualifiers_p (tree
, tree
);
7453 extern bool similar_type_p (tree
, tree
);
7454 extern bool compparms (const_tree
, const_tree
);
7455 extern int comp_cv_qualification (const_tree
, const_tree
);
7456 extern int comp_cv_qualification (int, int);
7457 extern int comp_cv_qual_signature (tree
, tree
);
7458 extern tree
cxx_sizeof_or_alignof_expr (location_t
, tree
,
7459 enum tree_code
, bool);
7460 extern tree
cxx_sizeof_or_alignof_type (location_t
, tree
,
7461 enum tree_code
, bool, bool);
7462 extern tree
cxx_alignas_expr (tree
);
7463 extern tree
cxx_sizeof_nowarn (tree
);
7464 extern tree
is_bitfield_expr_with_lowered_type (const_tree
);
7465 extern tree
unlowered_expr_type (const_tree
);
7466 extern tree
decay_conversion (tree
,
7469 extern tree
build_class_member_access_expr (cp_expr
, tree
, tree
, bool,
7471 extern tree
finish_class_member_access_expr (cp_expr
, tree
, bool,
7473 extern tree
lookup_destructor (tree
, tree
, tree
, tsubst_flags_t
);
7474 extern tree
build_x_indirect_ref (location_t
, tree
,
7477 extern tree
cp_build_indirect_ref (location_t
, tree
,
7480 extern tree
cp_build_fold_indirect_ref (tree
);
7481 extern tree
build_array_ref (location_t
, tree
, tree
);
7482 extern tree
cp_build_array_ref (location_t
, tree
, tree
,
7484 extern tree
get_member_function_from_ptrfunc (tree
*, tree
, tsubst_flags_t
);
7485 extern tree
cp_build_function_call_nary (tree
, tsubst_flags_t
, ...)
7487 extern tree
cp_build_function_call_vec (tree
, vec
<tree
, va_gc
> **,
7490 extern tree
build_x_binary_op (const op_location_t
&,
7491 enum tree_code
, tree
,
7492 enum tree_code
, tree
,
7493 enum tree_code
, tree
*,
7495 inline tree
build_x_binary_op (const op_location_t
&loc
,
7496 enum tree_code code
, tree arg1
, tree arg2
,
7497 tsubst_flags_t complain
)
7499 return build_x_binary_op (loc
, code
, arg1
, TREE_CODE (arg1
), arg2
,
7500 TREE_CODE (arg2
), NULL
, complain
);
7502 extern tree
build_x_array_ref (location_t
, tree
, tree
,
7504 extern tree
build_x_unary_op (location_t
,
7505 enum tree_code
, cp_expr
,
7507 extern tree
cp_build_addressof (location_t
, tree
,
7509 extern tree
cp_build_addr_expr (tree
, tsubst_flags_t
);
7510 extern tree
cp_build_unary_op (enum tree_code
, tree
, bool,
7512 extern tree
genericize_compound_lvalue (tree
);
7513 extern tree
unary_complex_lvalue (enum tree_code
, tree
);
7514 extern tree
build_x_conditional_expr (location_t
, tree
, tree
, tree
,
7516 extern tree
build_x_compound_expr_from_list (tree
, expr_list_kind
,
7518 extern tree
build_x_compound_expr_from_vec (vec
<tree
, va_gc
> *,
7519 const char *, tsubst_flags_t
);
7520 extern tree
build_x_compound_expr (location_t
, tree
, tree
,
7522 extern tree
build_compound_expr (location_t
, tree
, tree
);
7523 extern tree
cp_build_compound_expr (tree
, tree
, tsubst_flags_t
);
7524 extern tree
build_static_cast (location_t
, tree
, tree
,
7526 extern tree
build_reinterpret_cast (location_t
, tree
, tree
,
7528 extern tree
build_const_cast (location_t
, tree
, tree
,
7530 extern tree
build_c_cast (location_t
, tree
, tree
);
7531 extern cp_expr
build_c_cast (location_t loc
, tree type
,
7533 extern tree
cp_build_c_cast (location_t
, tree
, tree
,
7535 extern cp_expr
build_x_modify_expr (location_t
, tree
,
7536 enum tree_code
, tree
,
7538 extern tree
cp_build_modify_expr (location_t
, tree
,
7539 enum tree_code
, tree
,
7541 extern tree
convert_for_initialization (tree
, tree
, tree
, int,
7542 impl_conv_rhs
, tree
, int,
7544 extern int comp_ptr_ttypes (tree
, tree
);
7545 extern bool comp_ptr_ttypes_const (tree
, tree
, compare_bounds_t
);
7546 extern bool error_type_p (const_tree
);
7547 extern bool ptr_reasonably_similar (const_tree
, const_tree
);
7548 extern tree
build_ptrmemfunc (tree
, tree
, int, bool,
7550 extern int cp_type_quals (const_tree
);
7551 extern int type_memfn_quals (const_tree
);
7552 extern cp_ref_qualifier
type_memfn_rqual (const_tree
);
7553 extern tree
apply_memfn_quals (tree
, cp_cv_quals
,
7554 cp_ref_qualifier
= REF_QUAL_NONE
);
7555 extern bool cp_has_mutable_p (const_tree
);
7556 extern bool at_least_as_qualified_p (const_tree
, const_tree
);
7557 extern void cp_apply_type_quals_to_decl (int, tree
);
7558 extern tree
build_ptrmemfunc1 (tree
, tree
, tree
);
7559 extern void expand_ptrmemfunc_cst (tree
, tree
*, tree
*);
7560 extern tree
type_after_usual_arithmetic_conversions (tree
, tree
);
7561 extern tree
common_pointer_type (tree
, tree
);
7562 extern tree
composite_pointer_type (const op_location_t
&,
7563 tree
, tree
, tree
, tree
,
7564 composite_pointer_operation
,
7566 extern tree
merge_types (tree
, tree
);
7567 extern tree
strip_array_domain (tree
);
7568 extern tree
check_return_expr (tree
, bool *);
7569 extern tree
spaceship_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
7570 extern tree
genericize_spaceship (tree
, tree
, tree
);
7571 extern tree
cp_build_binary_op (const op_location_t
&,
7572 enum tree_code
, tree
, tree
,
7574 extern tree
build_x_vec_perm_expr (location_t
,
7577 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (input_location, T, SIZEOF_EXPR, false, true)
7578 extern tree
build_simple_component_ref (tree
, tree
);
7579 extern tree
build_ptrmemfunc_access_expr (tree
, tree
);
7580 extern tree
build_address (tree
);
7581 extern tree
build_nop (tree
, tree
);
7582 extern tree
non_reference (tree
);
7583 extern tree
lookup_anon_field (tree
, tree
);
7584 extern bool invalid_nonstatic_memfn_p (location_t
, tree
,
7586 extern tree
convert_member_func_to_ptr (tree
, tree
, tsubst_flags_t
);
7587 extern tree
convert_ptrmem (tree
, tree
, bool, bool,
7589 extern int lvalue_or_else (tree
, enum lvalue_use
,
7591 extern void check_template_keyword (tree
);
7592 extern bool check_raw_literal_operator (const_tree decl
);
7593 extern bool check_literal_operator_args (const_tree
, bool *, bool *);
7594 extern void maybe_warn_about_useless_cast (location_t
, tree
, tree
,
7596 extern tree
cp_perform_integral_promotions (tree
, tsubst_flags_t
);
7598 extern tree
finish_left_unary_fold_expr (tree
, int);
7599 extern tree
finish_right_unary_fold_expr (tree
, int);
7600 extern tree
finish_binary_fold_expr (tree
, tree
, int);
7601 extern tree
treat_lvalue_as_rvalue_p (tree
, bool);
7602 extern bool decl_in_std_namespace_p (tree
);
7605 extern void require_complete_eh_spec_types (tree
, tree
);
7606 extern void cxx_incomplete_type_diagnostic (location_t
, const_tree
,
7607 const_tree
, diagnostic_t
);
7610 cp_expr_loc_or_loc (const_tree t
, location_t or_loc
)
7612 location_t loc
= cp_expr_location (t
);
7613 if (loc
== UNKNOWN_LOCATION
)
7619 cp_expr_loc_or_input_loc (const_tree t
)
7621 return cp_expr_loc_or_loc (t
, input_location
);
7625 cxx_incomplete_type_diagnostic (const_tree value
, const_tree type
,
7626 diagnostic_t diag_kind
)
7628 cxx_incomplete_type_diagnostic (cp_expr_loc_or_input_loc (value
),
7629 value
, type
, diag_kind
);
7632 extern void cxx_incomplete_type_error (location_t
, const_tree
,
7635 cxx_incomplete_type_error (const_tree value
, const_tree type
)
7637 cxx_incomplete_type_diagnostic (value
, type
, DK_ERROR
);
7640 extern void cxx_incomplete_type_inform (const_tree
);
7641 extern tree
error_not_base_type (tree
, tree
);
7642 extern tree
binfo_or_else (tree
, tree
);
7643 extern void cxx_readonly_error (location_t
, tree
,
7645 extern void complete_type_check_abstract (tree
);
7646 extern int abstract_virtuals_error (tree
, tree
);
7647 extern int abstract_virtuals_error (abstract_class_use
, tree
);
7648 extern int abstract_virtuals_error_sfinae (tree
, tree
, tsubst_flags_t
);
7649 extern int abstract_virtuals_error_sfinae (abstract_class_use
, tree
, tsubst_flags_t
);
7651 extern tree
store_init_value (tree
, tree
, vec
<tree
, va_gc
>**, int);
7652 extern tree
split_nonconstant_init (tree
, tree
);
7653 extern bool check_narrowing (tree
, tree
, tsubst_flags_t
,
7655 extern bool ordinary_char_type_p (tree
);
7656 extern tree
digest_init (tree
, tree
, tsubst_flags_t
);
7657 extern tree
digest_init_flags (tree
, tree
, int, tsubst_flags_t
);
7658 extern tree
digest_nsdmi_init (tree
, tree
, tsubst_flags_t
);
7659 extern tree
build_scoped_ref (tree
, tree
, tree
*);
7660 extern tree
build_x_arrow (location_t
, tree
,
7662 extern tree
build_m_component_ref (tree
, tree
, tsubst_flags_t
);
7663 extern tree
build_functional_cast (location_t
, tree
, tree
,
7665 extern tree
add_exception_specifier (tree
, tree
, tsubst_flags_t
);
7666 extern tree
merge_exception_specifiers (tree
, tree
);
7669 extern void init_mangle (void);
7670 extern void mangle_decl (tree
);
7671 extern const char *mangle_type_string (tree
);
7672 extern tree
mangle_typeinfo_for_type (tree
);
7673 extern tree
mangle_typeinfo_string_for_type (tree
);
7674 extern tree
mangle_vtbl_for_type (tree
);
7675 extern tree
mangle_vtt_for_type (tree
);
7676 extern tree
mangle_ctor_vtbl_for_type (tree
, tree
);
7677 extern tree
mangle_thunk (tree
, int, tree
, tree
, tree
);
7678 extern tree
mangle_guard_variable (tree
);
7679 extern tree
mangle_tls_init_fn (tree
);
7680 extern tree
mangle_tls_wrapper_fn (tree
);
7681 extern bool decl_tls_wrapper_p (tree
);
7682 extern tree
mangle_ref_init_variable (tree
);
7683 extern tree
mangle_template_parm_object (tree
);
7684 extern char *get_mangled_vtable_map_var_name (tree
);
7685 extern bool mangle_return_type_p (tree
);
7686 extern tree
mangle_decomp (tree
, vec
<tree
> &);
7689 extern bool cp_dump_tree (void *, tree
);
7691 /* In cp/cp-objcp-common.c. */
7693 extern alias_set_type
cxx_get_alias_set (tree
);
7694 extern bool cxx_warn_unused_global_decl (const_tree
);
7695 extern size_t cp_tree_size (enum tree_code
);
7696 extern bool cp_var_mod_type_p (tree
, tree
);
7697 extern void cxx_initialize_diagnostics (diagnostic_context
*);
7698 extern int cxx_types_compatible_p (tree
, tree
);
7699 extern bool cxx_block_may_fallthru (const_tree
);
7701 /* in cp-gimplify.c */
7702 extern int cp_gimplify_expr (tree
*, gimple_seq
*,
7704 extern void cp_genericize (tree
);
7705 extern bool cxx_omp_const_qual_no_mutable (tree
);
7706 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing_1 (tree
);
7707 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing (tree
);
7708 extern enum omp_clause_defaultmap_kind
cxx_omp_predetermined_mapping (tree
);
7709 extern tree
cxx_omp_clause_default_ctor (tree
, tree
, tree
);
7710 extern tree
cxx_omp_clause_copy_ctor (tree
, tree
, tree
);
7711 extern tree
cxx_omp_clause_assign_op (tree
, tree
, tree
);
7712 extern tree
cxx_omp_clause_dtor (tree
, tree
);
7713 extern void cxx_omp_finish_clause (tree
, gimple_seq
*, bool);
7714 extern bool cxx_omp_privatize_by_reference (const_tree
);
7715 extern bool cxx_omp_disregard_value_expr (tree
, bool);
7716 extern void cp_fold_function (tree
);
7717 extern tree
cp_fold_maybe_rvalue (tree
, bool);
7718 extern tree
cp_fold_rvalue (tree
);
7719 extern tree
cp_fully_fold (tree
);
7720 extern tree
cp_fully_fold_init (tree
);
7721 extern tree
predeclare_vla (tree
);
7722 extern void clear_fold_cache (void);
7723 extern tree
lookup_hotness_attribute (tree
);
7724 extern tree
process_stmt_hotness_attribute (tree
, location_t
);
7725 extern bool simple_empty_class_p (tree
, tree
, tree_code
);
7726 extern tree
fold_builtin_source_location (location_t
);
7728 /* in name-lookup.c */
7729 extern tree
strip_using_decl (tree
);
7731 /* Tell the binding oracle what kind of binding we are looking for. */
7733 enum cp_oracle_request
7735 CP_ORACLE_IDENTIFIER
7738 /* If this is non-NULL, then it is a "binding oracle" which can lazily
7739 create bindings when needed by the C compiler. The oracle is told
7740 the name and type of the binding to create. It can call pushdecl
7741 or the like to ensure the binding is visible; or do nothing,
7742 leaving the binding untouched. c-decl.c takes note of when the
7743 oracle has been called and will not call it again if it fails to
7744 create a given binding. */
7746 typedef void cp_binding_oracle_function (enum cp_oracle_request
, tree identifier
);
7748 extern cp_binding_oracle_function
*cp_binding_oracle
;
7750 /* Set during diagnostics to record the failed constraint. This is a
7751 TREE_LIST whose VALUE is the constraint and whose PURPOSE are the
7752 instantiation arguments Defined in pt.c. */
7754 extern tree current_failed_constraint
;
7756 /* An RAII class to manage the failed constraint. */
7758 struct diagnosing_failed_constraint
7760 diagnosing_failed_constraint (tree
, tree
, bool);
7761 ~diagnosing_failed_constraint ();
7762 static bool replay_errors_p ();
7764 bool diagnosing_error
;
7767 /* in constraint.cc */
7769 extern cp_expr
finish_constraint_or_expr (location_t
, cp_expr
, cp_expr
);
7770 extern cp_expr
finish_constraint_and_expr (location_t
, cp_expr
, cp_expr
);
7771 extern cp_expr
finish_constraint_primary_expr (cp_expr
);
7772 extern tree
finish_concept_definition (cp_expr
, tree
);
7773 extern tree
combine_constraint_expressions (tree
, tree
);
7774 extern tree
append_constraint (tree
, tree
);
7775 extern tree
get_constraints (const_tree
);
7776 extern void set_constraints (tree
, tree
);
7777 extern void remove_constraints (tree
);
7778 extern tree
current_template_constraints (void);
7779 extern tree
associate_classtype_constraints (tree
);
7780 extern tree
build_constraints (tree
, tree
);
7781 extern tree
maybe_substitute_reqs_for (tree
, const_tree
);
7782 extern tree
get_template_head_requirements (tree
);
7783 extern tree
get_trailing_function_requirements (tree
);
7784 extern tree
get_shorthand_constraints (tree
);
7786 extern tree
build_concept_id (tree
);
7787 extern tree
build_type_constraint (tree
, tree
, tsubst_flags_t
);
7788 extern tree
build_concept_check (tree
, tree
, tsubst_flags_t
);
7789 extern tree
build_concept_check (tree
, tree
, tree
, tsubst_flags_t
);
7791 extern tree_pair
finish_type_constraints (tree
, tree
, tsubst_flags_t
);
7792 extern tree
build_constrained_parameter (tree
, tree
, tree
= NULL_TREE
);
7793 extern void placeholder_extract_concept_and_args (tree
, tree
&, tree
&);
7794 extern bool equivalent_placeholder_constraints (tree
, tree
);
7795 extern hashval_t
hash_placeholder_constraint (tree
);
7796 extern bool deduce_constrained_parameter (tree
, tree
&, tree
&);
7797 extern tree
resolve_constraint_check (tree
);
7798 extern tree
check_function_concept (tree
);
7799 extern tree
finish_template_introduction (tree
, tree
, location_t loc
);
7800 extern bool valid_requirements_p (tree
);
7801 extern tree
finish_concept_name (tree
);
7802 extern tree
finish_shorthand_constraint (tree
, tree
);
7803 extern tree
finish_requires_expr (location_t
, tree
, tree
);
7804 extern tree
finish_simple_requirement (location_t
, tree
);
7805 extern tree
finish_type_requirement (location_t
, tree
);
7806 extern tree
finish_compound_requirement (location_t
, tree
, tree
, bool);
7807 extern tree
finish_nested_requirement (location_t
, tree
);
7808 extern void check_constrained_friend (tree
, tree
);
7809 extern tree
tsubst_requires_expr (tree
, tree
, tsubst_flags_t
, tree
);
7810 extern tree
tsubst_constraint (tree
, tree
, tsubst_flags_t
, tree
);
7811 extern tree
tsubst_constraint_info (tree
, tree
, tsubst_flags_t
, tree
);
7812 extern tree
tsubst_parameter_mapping (tree
, tree
, tsubst_flags_t
, tree
);
7813 extern tree
get_mapped_args (tree
);
7815 struct processing_constraint_expression_sentinel
7817 processing_constraint_expression_sentinel ();
7818 ~processing_constraint_expression_sentinel ();
7821 extern bool processing_constraint_expression_p ();
7823 extern tree
unpack_concept_check (tree
);
7824 extern tree
evaluate_concept_check (tree
, tsubst_flags_t
);
7825 extern tree
satisfy_constraint_expression (tree
);
7826 extern bool constraints_satisfied_p (tree
);
7827 extern bool constraints_satisfied_p (tree
, tree
);
7828 extern void clear_satisfaction_cache ();
7829 extern bool* lookup_subsumption_result (tree
, tree
);
7830 extern bool save_subsumption_result (tree
, tree
, bool);
7831 extern tree
find_template_parameters (tree
, tree
);
7832 extern bool equivalent_constraints (tree
, tree
);
7833 extern bool equivalently_constrained (tree
, tree
);
7834 extern bool subsumes_constraints (tree
, tree
);
7835 extern bool strictly_subsumes (tree
, tree
, tree
);
7836 extern bool weakly_subsumes (tree
, tree
, tree
);
7837 extern int more_constrained (tree
, tree
);
7838 extern bool at_least_as_constrained (tree
, tree
);
7839 extern bool constraints_equivalent_p (tree
, tree
);
7840 extern bool atomic_constraints_identical_p (tree
, tree
);
7841 extern hashval_t
iterative_hash_constraint (tree
, hashval_t
);
7842 extern hashval_t
hash_atomic_constraint (tree
);
7843 extern void diagnose_constraints (location_t
, tree
, tree
);
7846 extern bool subsumes (tree
, tree
);
7849 extern void cp_finish_injected_record_type (tree
);
7851 /* in vtable-class-hierarchy.c */
7852 extern void vtv_compute_class_hierarchy_transitive_closure (void);
7853 extern void vtv_generate_init_routine (void);
7854 extern void vtv_save_class_info (tree
);
7855 extern void vtv_recover_class_info (void);
7856 extern void vtv_build_vtable_verify_fndecl (void);
7858 /* In constexpr.c */
7859 extern void fini_constexpr (void);
7860 extern bool literal_type_p (tree
);
7861 extern tree
register_constexpr_fundef (tree
, tree
);
7862 extern bool is_valid_constexpr_fn (tree
, bool);
7863 extern bool check_constexpr_ctor_body (tree
, tree
, bool);
7864 extern tree
constexpr_fn_retval (tree
);
7865 extern tree
ensure_literal_type_for_constexpr_object (tree
);
7866 extern bool potential_constant_expression (tree
);
7867 extern bool is_constant_expression (tree
);
7868 extern bool is_rvalue_constant_expression (tree
);
7869 extern bool is_nondependent_constant_expression (tree
);
7870 extern bool is_nondependent_static_init_expression (tree
);
7871 extern bool is_static_init_expression (tree
);
7872 extern bool potential_rvalue_constant_expression (tree
);
7873 extern bool require_potential_constant_expression (tree
);
7874 extern bool require_constant_expression (tree
);
7875 extern bool require_rvalue_constant_expression (tree
);
7876 extern bool require_potential_rvalue_constant_expression (tree
);
7877 extern tree
cxx_constant_value (tree
, tree
= NULL_TREE
);
7878 extern void cxx_constant_dtor (tree
, tree
);
7879 extern tree
cxx_constant_init (tree
, tree
= NULL_TREE
);
7880 extern tree
maybe_constant_value (tree
, tree
= NULL_TREE
, bool = false);
7881 extern tree
maybe_constant_init (tree
, tree
= NULL_TREE
, bool = false);
7882 extern tree
fold_non_dependent_expr (tree
,
7883 tsubst_flags_t
= tf_warning_or_error
,
7884 bool = false, tree
= NULL_TREE
);
7885 extern tree
maybe_fold_non_dependent_expr (tree
,
7886 tsubst_flags_t
= tf_warning_or_error
);
7887 extern tree
fold_non_dependent_init (tree
,
7888 tsubst_flags_t
= tf_warning_or_error
,
7890 extern tree
fold_simple (tree
);
7891 extern bool reduced_constant_expression_p (tree
);
7892 extern bool is_instantiation_of_constexpr (tree
);
7893 extern bool var_in_constexpr_fn (tree
);
7894 extern bool var_in_maybe_constexpr_fn (tree
);
7895 extern void explain_invalid_constexpr_fn (tree
);
7896 extern vec
<tree
> cx_error_context (void);
7897 extern tree
fold_sizeof_expr (tree
);
7898 extern void clear_cv_and_fold_caches (bool = true);
7899 extern tree
unshare_constructor (tree CXX_MEM_STAT_INFO
);
7901 /* An RAII sentinel used to restrict constexpr evaluation so that it
7902 doesn't do anything that causes extra DECL_UID generation. */
7904 struct uid_sensitive_constexpr_evaluation_sentinel
7906 temp_override
<bool> ovr
;
7907 uid_sensitive_constexpr_evaluation_sentinel ();
7910 /* Used to determine whether uid_sensitive_constexpr_evaluation_p was
7911 called and returned true, indicating that we've restricted constexpr
7912 evaluation in order to avoid UID generation. We use this to control
7913 updates to the fold_cache and cv_cache. */
7915 struct uid_sensitive_constexpr_evaluation_checker
7917 const unsigned saved_counter
;
7918 uid_sensitive_constexpr_evaluation_checker ();
7919 bool evaluation_restricted_p () const;
7923 extern void cp_ubsan_maybe_instrument_member_call (tree
);
7924 extern void cp_ubsan_instrument_member_accesses (tree
*);
7925 extern tree
cp_ubsan_maybe_instrument_downcast (location_t
, tree
, tree
, tree
);
7926 extern tree
cp_ubsan_maybe_instrument_cast_to_vbase (location_t
, tree
, tree
);
7927 extern void cp_ubsan_maybe_initialize_vtbl_ptrs (tree
);
7929 /* In coroutines.cc */
7930 extern tree
finish_co_return_stmt (location_t
, tree
);
7931 extern tree
finish_co_await_expr (location_t
, tree
);
7932 extern tree
finish_co_yield_expr (location_t
, tree
);
7933 extern tree
coro_validate_builtin_call (tree
,
7934 tsubst_flags_t
= tf_warning_or_error
);
7935 extern bool morph_fn_to_coro (tree
, tree
*, tree
*);
7937 /* Inline bodies. */
7940 ovl_first (tree node
)
7942 while (TREE_CODE (node
) == OVERLOAD
)
7943 node
= OVL_FUNCTION (node
);
7948 type_unknown_p (const_tree expr
)
7950 return TREE_TYPE (expr
) == unknown_type_node
;
7954 named_decl_hash::hash (const value_type decl
)
7956 tree name
= OVL_NAME (decl
);
7957 return name
? IDENTIFIER_HASH_VALUE (name
) : 0;
7961 named_decl_hash::equal (const value_type existing
, compare_type candidate
)
7963 tree name
= OVL_NAME (existing
);
7964 return candidate
== name
;
7968 null_node_p (const_tree expr
)
7970 STRIP_ANY_LOCATION_WRAPPER (expr
);
7971 return expr
== null_node
;
7974 /* True iff T is a variable template declaration. */
7976 variable_template_p (tree t
)
7978 if (TREE_CODE (t
) != TEMPLATE_DECL
)
7980 if (!PRIMARY_TEMPLATE_P (t
))
7982 if (tree r
= DECL_TEMPLATE_RESULT (t
))
7987 /* True iff T is a standard concept definition. This will return
7988 true for both the template and underlying declaration. */
7991 standard_concept_p (tree t
)
7993 if (TREE_CODE (t
) == TEMPLATE_DECL
)
7994 t
= DECL_TEMPLATE_RESULT (t
);
7995 return TREE_CODE (t
) == CONCEPT_DECL
;
7998 /* True iff T is a variable concept definition. This will return
7999 true for both the template and the underlying declaration. */
8002 variable_concept_p (tree t
)
8004 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8005 t
= DECL_TEMPLATE_RESULT (t
);
8006 return VAR_P (t
) && DECL_DECLARED_CONCEPT_P (t
);
8009 /* True iff T is a function concept definition or an overload set
8010 containing multiple function concepts. This will return true for
8011 both the template and the underlying declaration. */
8014 function_concept_p (tree t
)
8016 if (TREE_CODE (t
) == OVERLOAD
)
8018 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8019 t
= DECL_TEMPLATE_RESULT (t
);
8020 return TREE_CODE (t
) == FUNCTION_DECL
&& DECL_DECLARED_CONCEPT_P (t
);
8023 /* True iff T is a standard, variable, or function concept. */
8026 concept_definition_p (tree t
)
8028 if (t
== error_mark_node
)
8031 /* Adjust for function concept overloads. */
8032 if (TREE_CODE (t
) == OVERLOAD
)
8035 /* See through templates. */
8036 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8037 t
= DECL_TEMPLATE_RESULT (t
);
8039 /* The obvious and easy case. */
8040 if (TREE_CODE (t
) == CONCEPT_DECL
)
8043 /* Definitely not a concept. */
8044 if (!VAR_OR_FUNCTION_DECL_P (t
))
8046 if (!DECL_LANG_SPECIFIC (t
))
8049 return DECL_DECLARED_CONCEPT_P (t
);
8052 /* Same as above, but for const trees. */
8055 concept_definition_p (const_tree t
)
8057 return concept_definition_p (const_cast<tree
> (t
));
8060 /* True if t is an expression that checks a concept. */
8063 concept_check_p (const_tree t
)
8065 if (TREE_CODE (t
) == CALL_EXPR
)
8066 t
= CALL_EXPR_FN (t
);
8067 if (t
&& TREE_CODE (t
) == TEMPLATE_ID_EXPR
)
8068 return concept_definition_p (TREE_OPERAND (t
, 0));
8072 /* Helpers for IMPLICIT_RVALUE_P to look through automatic dereference. */
8075 implicit_rvalue_p (const_tree t
)
8077 if (REFERENCE_REF_P (t
))
8078 t
= TREE_OPERAND (t
, 0);
8079 return ((TREE_CODE (t
) == NON_LVALUE_EXPR
8080 || TREE_CODE (t
) == STATIC_CAST_EXPR
)
8081 && IMPLICIT_RVALUE_P (t
));
8084 set_implicit_rvalue_p (tree ot
)
8087 if (REFERENCE_REF_P (t
))
8088 t
= TREE_OPERAND (t
, 0);
8089 IMPLICIT_RVALUE_P (t
) = 1;
8093 /* True if t is a "constrained auto" type-specifier. */
8096 is_constrained_auto (const_tree t
)
8098 return is_auto (t
) && PLACEHOLDER_TYPE_CONSTRAINTS (t
);
8101 /* RAII class to push/pop class scope T; if T is not a class, do nothing. */
8103 struct push_nested_class_guard
8106 push_nested_class_guard (tree t
)
8107 : push (t
&& CLASS_TYPE_P (t
))
8110 push_nested_class (t
);
8112 ~push_nested_class_guard ()
8115 pop_nested_class ();
8120 namespace selftest
{
8121 extern void run_cp_tests (void);
8123 /* Declarations for specific families of tests within cp,
8124 by source file, in alphabetical order. */
8125 extern void cp_pt_c_tests ();
8126 extern void cp_tree_c_tests (void);
8127 } // namespace selftest
8128 #endif /* #if CHECKING_P */
8132 #endif /* ! GCC_CP_TREE_H */