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 /* Implicit conversions to tree. */
65 operator tree () const { return m_value
; }
66 tree
& operator* () { return m_value
; }
67 tree
operator* () const { return m_value
; }
68 tree
& operator-> () { return m_value
; }
69 tree
operator-> () const { return m_value
; }
71 tree
get_value () const { return m_value
; }
72 location_t
get_location () const { return m_loc
; }
73 location_t
get_start () const
75 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
76 return src_range
.m_start
;
78 location_t
get_finish () const
80 source_range src_range
= get_range_from_loc (line_table
, m_loc
);
81 return src_range
.m_finish
;
84 void set_location (location_t loc
)
86 protected_set_expr_location (m_value
, loc
);
90 void set_range (location_t start
, location_t finish
)
92 set_location (make_location (m_loc
, start
, finish
));
95 cp_expr
& maybe_add_location_wrapper ()
97 m_value
= maybe_wrap_with_location (m_value
, m_loc
);
107 operator == (const cp_expr
&lhs
, tree rhs
)
109 return lhs
.get_value () == rhs
;
116 CPTI_VTABLE_ENTRY_TYPE
,
118 CPTI_VTABLE_INDEX_TYPE
,
131 CPTI_CONST_TYPE_INFO_TYPE
,
132 CPTI_TYPE_INFO_PTR_TYPE
,
137 CPTI_CTOR_IDENTIFIER
,
138 CPTI_COMPLETE_CTOR_IDENTIFIER
,
139 CPTI_BASE_CTOR_IDENTIFIER
,
140 CPTI_DTOR_IDENTIFIER
,
141 CPTI_COMPLETE_DTOR_IDENTIFIER
,
142 CPTI_BASE_DTOR_IDENTIFIER
,
143 CPTI_DELETING_DTOR_IDENTIFIER
,
144 CPTI_CONV_OP_IDENTIFIER
,
145 CPTI_DELTA_IDENTIFIER
,
146 CPTI_IN_CHARGE_IDENTIFIER
,
147 CPTI_VTT_PARM_IDENTIFIER
,
148 CPTI_THIS_IDENTIFIER
,
150 CPTI_VPTR_IDENTIFIER
,
151 CPTI_GLOBAL_IDENTIFIER
,
152 CPTI_ANON_IDENTIFIER
,
153 CPTI_AUTO_IDENTIFIER
,
154 CPTI_DECLTYPE_AUTO_IDENTIFIER
,
155 CPTI_INIT_LIST_IDENTIFIER
,
156 CPTI_FOR_RANGE__IDENTIFIER
,
157 CPTI_FOR_BEGIN__IDENTIFIER
,
158 CPTI_FOR_END__IDENTIFIER
,
159 CPTI_FOR_RANGE_IDENTIFIER
,
160 CPTI_FOR_BEGIN_IDENTIFIER
,
161 CPTI_FOR_END_IDENTIFIER
,
162 CPTI_ABI_TAG_IDENTIFIER
,
163 CPTI_ALIGNED_IDENTIFIER
,
164 CPTI_BEGIN_IDENTIFIER
,
168 CPTI_TUPLE_ELEMENT_IDENTIFIER
,
169 CPTI_TUPLE_SIZE_IDENTIFIER
,
170 CPTI_TYPE_IDENTIFIER
,
171 CPTI_VALUE_IDENTIFIER
,
173 CPTI_CLOSURE_IDENTIFIER
,
174 CPTI_HEAP_UNINIT_IDENTIFIER
,
175 CPTI_HEAP_IDENTIFIER
,
176 CPTI_HEAP_DELETED_IDENTIFIER
,
179 CPTI_LANG_NAME_CPLUSPLUS
,
181 CPTI_EMPTY_EXCEPT_SPEC
,
182 CPTI_NOEXCEPT_TRUE_SPEC
,
183 CPTI_NOEXCEPT_FALSE_SPEC
,
184 CPTI_NOEXCEPT_DEFERRED_SPEC
,
187 CPTI_CALL_UNEXPECTED_FN
,
188 CPTI_GET_EXCEPTION_PTR_FN
,
191 CPTI_ALLOCATE_EXCEPTION_FN
,
192 CPTI_FREE_EXCEPTION_FN
,
195 CPTI_ATEXIT_FN_PTR_TYPE
,
207 CPTI_SOURCE_LOCATION_IMPL
,
212 extern GTY(()) tree cp_global_trees
[CPTI_MAX
];
214 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
215 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
216 /* The type used to represent an offset by which to adjust the `this'
217 pointer in pointer-to-member types. */
218 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
219 /* The type used to represent an index into the vtable. */
220 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
222 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
223 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
224 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
225 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
226 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
227 #define std_node cp_global_trees[CPTI_STD]
228 #define abi_node cp_global_trees[CPTI_ABI]
229 #define global_namespace cp_global_trees[CPTI_GLOBAL]
230 #define global_type_node cp_global_trees[CPTI_GLOBAL_TYPE]
231 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
232 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
233 #define conv_op_marker cp_global_trees[CPTI_CONV_OP_MARKER]
234 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
235 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
236 #define nullptr_node cp_global_trees[CPTI_NULLPTR]
237 #define nullptr_type_node cp_global_trees[CPTI_NULLPTR_TYPE]
238 /* std::align_val_t */
239 #define align_type_node cp_global_trees[CPTI_ALIGN_TYPE]
241 /* We cache these tree nodes so as to call get_identifier less frequently.
242 For identifiers for functions, including special member functions such
243 as ctors and assignment operators, the nodes can be used (among other
244 things) to iterate over their overloads defined by/for a type. For
247 tree ovlid = assign_op_identifier;
248 tree overloads = get_class_binding (type, ovlid);
249 for (ovl_iterator it (overloads); it; ++it) { ... }
251 iterates over the set of implicitly and explicitly defined overloads
252 of the assignment operator for type (including the copy and move
253 assignment operators, whether deleted or not). */
255 /* The name of a constructor that takes an in-charge parameter to
256 decide whether or not to construct virtual base classes. */
257 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
258 /* The name of a constructor that constructs virtual base classes. */
259 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
260 /* The name of a constructor that does not construct virtual base classes. */
261 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
262 /* The name of a destructor that takes an in-charge parameter to
263 decide whether or not to destroy virtual base classes and whether
264 or not to delete the object. */
265 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
266 /* The name of a destructor that destroys virtual base classes. */
267 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
268 /* The name of a destructor that does not destroy virtual base
270 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
271 /* The name of a destructor that destroys virtual base classes, and
272 then deletes the entire object. */
273 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
275 /* The name used for conversion operators -- but note that actual
276 conversion functions use special identifiers outside the identifier
278 #define conv_op_identifier cp_global_trees[CPTI_CONV_OP_IDENTIFIER]
280 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
281 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
282 /* The name of the parameter that contains a pointer to the VTT to use
283 for this subobject constructor or destructor. */
284 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
285 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
286 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
287 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
288 /* The name of the ::, std & anon namespaces. */
289 #define global_identifier cp_global_trees[CPTI_GLOBAL_IDENTIFIER]
290 #define anon_identifier cp_global_trees[CPTI_ANON_IDENTIFIER]
291 /* auto and declspec(auto) identifiers. */
292 #define auto_identifier cp_global_trees[CPTI_AUTO_IDENTIFIER]
293 #define decltype_auto_identifier cp_global_trees[CPTI_DECLTYPE_AUTO_IDENTIFIER]
294 #define init_list_identifier cp_global_trees[CPTI_INIT_LIST_IDENTIFIER]
295 #define for_range__identifier cp_global_trees[CPTI_FOR_RANGE__IDENTIFIER]
296 #define for_begin__identifier cp_global_trees[CPTI_FOR_BEGIN__IDENTIFIER]
297 #define for_end__identifier cp_global_trees[CPTI_FOR_END__IDENTIFIER]
298 #define for_range_identifier cp_global_trees[CPTI_FOR_RANGE_IDENTIFIER]
299 #define for_begin_identifier cp_global_trees[CPTI_FOR_BEGIN_IDENTIFIER]
300 #define for_end_identifier cp_global_trees[CPTI_FOR_END_IDENTIFIER]
301 #define abi_tag_identifier cp_global_trees[CPTI_ABI_TAG_IDENTIFIER]
302 #define aligned_identifier cp_global_trees[CPTI_ALIGNED_IDENTIFIER]
303 #define begin_identifier cp_global_trees[CPTI_BEGIN_IDENTIFIER]
304 #define end_identifier cp_global_trees[CPTI_END_IDENTIFIER]
305 #define get__identifier cp_global_trees[CPTI_GET_IDENTIFIER]
306 #define gnu_identifier cp_global_trees[CPTI_GNU_IDENTIFIER]
307 #define tuple_element_identifier cp_global_trees[CPTI_TUPLE_ELEMENT_IDENTIFIER]
308 #define tuple_size_identifier cp_global_trees[CPTI_TUPLE_SIZE_IDENTIFIER]
309 #define type_identifier cp_global_trees[CPTI_TYPE_IDENTIFIER]
310 #define value_identifier cp_global_trees[CPTI_VALUE_IDENTIFIER]
311 #define fun_identifier cp_global_trees[CPTI_FUN_IDENTIFIER]
312 #define closure_identifier cp_global_trees[CPTI_CLOSURE_IDENTIFIER]
313 #define heap_uninit_identifier cp_global_trees[CPTI_HEAP_UNINIT_IDENTIFIER]
314 #define heap_identifier cp_global_trees[CPTI_HEAP_IDENTIFIER]
315 #define heap_deleted_identifier cp_global_trees[CPTI_HEAP_DELETED_IDENTIFIER]
316 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
317 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
319 /* Exception specifiers used for throw(), noexcept(true),
320 noexcept(false) and deferred noexcept. We rely on these being
322 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
323 #define noexcept_true_spec cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
324 #define noexcept_false_spec cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
325 #define noexcept_deferred_spec cp_global_trees[CPTI_NOEXCEPT_DEFERRED_SPEC]
327 /* Exception handling function declarations. */
328 #define terminate_fn cp_global_trees[CPTI_TERMINATE_FN]
329 #define call_unexpected_fn cp_global_trees[CPTI_CALL_UNEXPECTED_FN]
330 #define get_exception_ptr_fn cp_global_trees[CPTI_GET_EXCEPTION_PTR_FN]
331 #define begin_catch_fn cp_global_trees[CPTI_BEGIN_CATCH_FN]
332 #define end_catch_fn cp_global_trees[CPTI_END_CATCH_FN]
333 #define allocate_exception_fn cp_global_trees[CPTI_ALLOCATE_EXCEPTION_FN]
334 #define free_exception_fn cp_global_trees[CPTI_FREE_EXCEPTION_FN]
335 #define throw_fn cp_global_trees[CPTI_THROW_FN]
336 #define rethrow_fn cp_global_trees[CPTI_RETHROW_FN]
338 /* The type of the function-pointer argument to "__cxa_atexit" (or
339 "std::atexit", if "__cxa_atexit" is not being used). */
340 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
342 /* A pointer to `std::atexit'. */
343 #define atexit_node cp_global_trees[CPTI_ATEXIT]
345 /* A pointer to `__dso_handle'. */
346 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
348 /* The declaration of the dynamic_cast runtime. */
349 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
351 /* The type of a destructor. */
352 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
354 /* The type of the vtt parameter passed to subobject constructors and
356 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
358 /* A node which matches any template argument. */
359 #define any_targ_node cp_global_trees[CPTI_ANY_TARG]
361 /* std::source_location::__impl class. */
362 #define source_location_impl cp_global_trees[CPTI_SOURCE_LOCATION_IMPL]
364 /* Node to indicate default access. This must be distinct from the
365 access nodes in tree.h. */
367 #define access_default_node null_node
370 #include "name-lookup.h"
372 /* Usage of TREE_LANG_FLAG_?:
373 0: IDENTIFIER_KIND_BIT_0 (in IDENTIFIER_NODE)
374 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
375 COND_EXPR_IS_VEC_DELETE (in COND_EXPR).
376 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
377 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
378 CLEANUP_P (in TRY_BLOCK)
379 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
380 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF, SCOPE_REF)
381 PAREN_STRING_LITERAL (in STRING_CST)
382 CP_DECL_THREAD_LOCAL_P (in VAR_DECL)
383 KOENIG_LOOKUP_P (in CALL_EXPR)
384 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
385 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
386 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
387 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
388 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
389 OMP_FOR_GIMPLIFYING_P (in OMP_FOR, OMP_SIMD, OMP_DISTRIBUTE,
391 BASELINK_QUALIFIED_P (in BASELINK)
392 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
393 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
394 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
395 ABI_TAG_IMPLICIT (in the TREE_LIST for the argument of abi_tag)
396 LAMBDA_CAPTURE_EXPLICIT_P (in a TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST)
397 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
398 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
399 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
400 VEC_INIT_EXPR_IS_CONSTEXPR (in VEC_INIT_EXPR)
401 DECL_OVERRIDE_P (in FUNCTION_DECL)
402 IMPLICIT_CONV_EXPR_DIRECT_INIT (in IMPLICIT_CONV_EXPR)
403 TRANSACTION_EXPR_IS_STMT (in TRANSACTION_EXPR)
404 CONVERT_EXPR_VBASE_PATH (in CONVERT_EXPR)
405 PACK_EXPANSION_LOCAL_P (in *_PACK_EXPANSION)
406 TINFO_HAS_ACCESS_ERRORS (in TEMPLATE_INFO)
407 SIZEOF_EXPR_TYPE_P (in SIZEOF_EXPR)
408 COMPOUND_REQ_NOEXCEPT_P (in COMPOUND_REQ)
409 WILDCARD_PACK_P (in WILDCARD_DECL)
410 BLOCK_OUTER_CURLY_BRACE_P (in BLOCK)
411 FOLD_EXPR_MODOP_P (*_FOLD_EXPR)
412 IF_STMT_CONSTEXPR_P (IF_STMT)
413 TEMPLATE_TYPE_PARM_FOR_CLASS (TEMPLATE_TYPE_PARM)
414 DECL_NAMESPACE_INLINE_P (in NAMESPACE_DECL)
415 SWITCH_STMT_ALL_CASES_P (in SWITCH_STMT)
416 REINTERPRET_CAST_P (in NOP_EXPR)
417 ALIGNOF_EXPR_STD_P (in ALIGNOF_EXPR)
418 OVL_DEDUP_P (in OVERLOAD)
419 1: IDENTIFIER_KIND_BIT_1 (in IDENTIFIER_NODE)
420 TI_PENDING_TEMPLATE_FLAG.
421 TEMPLATE_PARMS_FOR_INLINE.
422 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
423 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
424 ICS_ELLIPSIS_FLAG (in _CONV)
425 DECL_INITIALIZED_P (in VAR_DECL)
426 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
427 STMT_IS_FULL_EXPR_P (in _STMT)
428 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
429 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
430 DECL_FINAL_P (in FUNCTION_DECL)
431 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
432 CONSTRUCTOR_IS_DEPENDENT (in CONSTRUCTOR)
433 TINFO_USED_TEMPLATE_ID (in TEMPLATE_INFO)
434 PACK_EXPANSION_SIZEOF_P (in *_PACK_EXPANSION)
435 OVL_USING_P (in OVERLOAD)
436 IMPLICIT_CONV_EXPR_NONTYPE_ARG (in IMPLICIT_CONV_EXPR)
437 2: IDENTIFIER_KIND_BIT_2 (in IDENTIFIER_NODE)
438 ICS_THIS_FLAG (in _CONV)
439 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
440 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
441 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
442 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
443 FNDECL_USED_AUTO (in FUNCTION_DECL)
444 DECLTYPE_FOR_LAMBDA_PROXY (in DECLTYPE_TYPE)
445 REF_PARENTHESIZED_P (in COMPONENT_REF, INDIRECT_REF, SCOPE_REF, VIEW_CONVERT_EXPR)
446 AGGR_INIT_ZERO_FIRST (in AGGR_INIT_EXPR)
447 CONSTRUCTOR_MUTABLE_POISON (in CONSTRUCTOR)
448 OVL_HIDDEN_P (in OVERLOAD)
449 SWITCH_STMT_NO_BREAK_P (in SWITCH_STMT)
450 LAMBDA_EXPR_CAPTURE_OPTIMIZED (in LAMBDA_EXPR)
451 IMPLICIT_CONV_EXPR_BRACED_INIT (in IMPLICIT_CONV_EXPR)
452 TINFO_VAR_DECLARED_CONSTINIT (in TEMPLATE_INFO)
453 CALL_FROM_NEW_OR_DELETE_P (in CALL_EXPR)
454 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
455 ICS_BAD_FLAG (in _CONV)
456 FN_TRY_BLOCK_P (in TRY_BLOCK)
457 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
458 CALL_EXPR_ORDERED_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
459 DECLTYPE_FOR_REF_CAPTURE (in DECLTYPE_TYPE)
460 CONSTRUCTOR_C99_COMPOUND_LITERAL (in CONSTRUCTOR)
461 OVL_NESTED_P (in OVERLOAD)
462 LAMBDA_EXPR_INSTANTIATED (in LAMBDA_EXPR)
463 Reserved for DECL_MODULE_EXPORT (in DECL_)
464 4: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
465 TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
466 CALL_EXPR, or FIELD_DECL).
467 DECL_TINFO_P (in VAR_DECL)
468 FUNCTION_REF_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
469 OVL_LOOKUP_P (in OVERLOAD)
470 LOOKUP_FOUND_P (in RECORD_TYPE, UNION_TYPE, NAMESPACE_DECL)
471 5: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
472 FUNCTION_RVALUE_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
473 CALL_EXPR_REVERSE_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
474 CONSTRUCTOR_PLACEHOLDER_BOUNDARY (in CONSTRUCTOR)
475 6: TYPE_MARKED_P (in _TYPE)
476 DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL)
477 RANGE_FOR_IVDEP (in RANGE_FOR_STMT)
478 CALL_EXPR_OPERATOR_SYNTAX (in CALL_EXPR, AGGR_INIT_EXPR)
479 CONSTRUCTOR_IS_DESIGNATED_INIT (in CONSTRUCTOR)
481 Usage of TYPE_LANG_FLAG_?:
483 1: TYPE_HAS_USER_CONSTRUCTOR.
484 2: TYPE_HAS_LATE_RETURN_TYPE (in FUNCTION_TYPE, METHOD_TYPE)
485 TYPE_PTRMEMFUNC_FLAG (in RECORD_TYPE)
486 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
487 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
488 ENUM_FIXED_UNDERLYING_TYPE_P (in ENUMERAL_TYPE)
489 AUTO_IS_DECLTYPE (in TEMPLATE_TYPE_PARM)
490 6: TYPE_DEPENDENT_P_VALID
492 Usage of DECL_LANG_FLAG_?:
493 0: DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
494 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
495 DECL_MUTABLE_P (in FIELD_DECL)
496 DECL_DEPENDENT_P (in USING_DECL)
497 LABEL_DECL_BREAK (in LABEL_DECL)
498 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
499 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
500 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
501 USING_DECL_TYPENAME_P (in USING_DECL)
502 DECL_VLA_CAPTURE_P (in FIELD_DECL)
503 DECL_ARRAY_PARAMETER_P (in PARM_DECL)
504 LABEL_DECL_CONTINUE (in LABEL_DECL)
505 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
506 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
507 DECL_CONSTRAINT_VAR_P (in a PARM_DECL)
508 TEMPLATE_DECL_COMPLEX_ALIAS_P (in TEMPLATE_DECL)
509 DECL_INSTANTIATING_NSDMI_P (in a FIELD_DECL)
510 LABEL_DECL_CDTOR (in LABEL_DECL)
512 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
513 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
514 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
515 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
516 5: DECL_INTERFACE_KNOWN.
517 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
518 DECL_FIELD_IS_BASE (in FIELD_DECL)
519 TYPE_DECL_ALIAS_P (in TYPE_DECL)
520 7: DECL_THUNK_P (in a member FUNCTION_DECL)
521 DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
522 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
524 Usage of language-independent fields in a language-dependent manner:
527 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
528 forth as a substitute for the mark bits provided in `lang_type'.
529 At present, only the six low-order bits are used.
532 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS.
533 For a POINTER_TYPE (to a METHOD_TYPE), this is TYPE_PTRMEMFUNC_TYPE.
534 For an ENUMERAL_TYPE, BOUND_TEMPLATE_TEMPLATE_PARM_TYPE,
535 RECORD_TYPE or UNION_TYPE this is TYPE_TEMPLATE_INFO,
538 For a binfo, this is a TREE_LIST. There is an entry for each
539 virtual function declared either in BINFO or its direct and
540 indirect primary bases.
542 The BV_DELTA of each node gives the amount by which to adjust the
543 `this' pointer when calling the function. If the method is an
544 overridden version of a base class method, then it is assumed
545 that, prior to adjustment, the this pointer points to an object
548 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
549 index of the vcall offset for this entry.
551 The BV_FN is the declaration for the virtual function itself.
553 If BV_LOST_PRIMARY is set, it means that this entry is for a lost
554 primary virtual base and can be left null in the vtable.
557 This is an expression with POINTER_TYPE that gives the value
558 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
559 to extract the VAR_DECL for the complete vtable.
562 This field is NULL for a non-virtual function. For a virtual
563 function, it is eventually set to an INTEGER_CST indicating the
564 index in the vtable at which this function can be found. When
565 a virtual function is declared, but before it is known what
566 function is overridden, this field is the error_mark_node.
568 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
569 the virtual function this one overrides, and whose TREE_CHAIN is
570 the old DECL_VINDEX. */
572 /* Language-specific tree checkers. */
574 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
575 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
577 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK(NODE) \
578 TREE_CHECK3(NODE,TYPE_DECL,TEMPLATE_DECL,FUNCTION_DECL)
580 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_P(NODE) \
581 (TREE_CODE (NODE) == TYPE_DECL || TREE_CODE (NODE) == TEMPLATE_DECL \
582 || TREE_CODE (NODE) == FUNCTION_DECL)
584 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
585 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
587 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
588 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
590 #define VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK(NODE) \
591 TREE_CHECK5(NODE,VAR_DECL,FIELD_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
593 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
594 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
596 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
598 /* Returns t iff the node can have a TEMPLATE_INFO field. */
601 template_info_decl_check (const_tree t
, const char* f
, int l
, const char* fn
)
603 switch (TREE_CODE (t
))
611 return const_cast<tree
>(t
);
615 tree_check_failed (t
, f
, l
, fn
,
616 VAR_DECL
, FUNCTION_DECL
, FIELD_DECL
, TYPE_DECL
,
617 CONCEPT_DECL
, TEMPLATE_DECL
, 0);
621 #define TEMPLATE_INFO_DECL_CHECK(NODE) \
622 template_info_decl_check ((NODE), __FILE__, __LINE__, __FUNCTION__)
624 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
625 ({ __typeof (NODE) const __t = (NODE); \
626 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
627 || !__t->decl_common.lang_specific->u.fn.thunk_p) \
628 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
631 #else /* ENABLE_TREE_CHECKING */
633 #define TEMPLATE_INFO_DECL_CHECK(NODE) (NODE)
634 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
636 #endif /* ENABLE_TREE_CHECKING */
638 /* Language-dependent contents of an identifier. */
640 struct GTY(()) lang_identifier
{
641 struct c_common_identifier c_common
;
642 cxx_binding
*bindings
;
645 /* Return a typed pointer version of T if it designates a
646 C++ front-end identifier. */
647 inline lang_identifier
*
648 identifier_p (tree t
)
650 if (TREE_CODE (t
) == IDENTIFIER_NODE
)
651 return (lang_identifier
*) t
;
655 #define LANG_IDENTIFIER_CAST(NODE) \
656 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
658 struct GTY(()) template_parm_index
{
659 struct tree_common common
;
666 struct GTY(()) ptrmem_cst
{
667 struct tree_common common
;
670 typedef struct ptrmem_cst
* ptrmem_cst_t
;
672 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
674 #define BIND_EXPR_TRY_BLOCK(NODE) \
675 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
677 /* Used to mark the block around the member initializers and cleanups. */
678 #define BIND_EXPR_BODY_BLOCK(NODE) \
679 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
680 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
681 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE) \
682 || LAMBDA_FUNCTION_P (NODE))
684 #define STATEMENT_LIST_NO_SCOPE(NODE) \
685 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
686 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
687 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
689 /* Mark the outer curly brace BLOCK. */
690 #define BLOCK_OUTER_CURLY_BRACE_P(NODE) TREE_LANG_FLAG_0 (BLOCK_CHECK (NODE))
692 /* Nonzero if this statement should be considered a full-expression,
693 i.e., if temporaries created during this statement should have
694 their destructors run at the end of this statement. */
695 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
697 /* Marks the result of a statement expression. */
698 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
699 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
701 /* Nonzero if this statement-expression does not have an associated scope. */
702 #define STMT_EXPR_NO_SCOPE(NODE) \
703 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
705 #define COND_EXPR_IS_VEC_DELETE(NODE) \
706 TREE_LANG_FLAG_0 (COND_EXPR_CHECK (NODE))
708 /* Nonzero if this NOP_EXPR is a reinterpret_cast. Such conversions
709 are not constexprs. Other NOP_EXPRs are. */
710 #define REINTERPRET_CAST_P(NODE) \
711 TREE_LANG_FLAG_0 (NOP_EXPR_CHECK (NODE))
713 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
715 #define same_type_p(TYPE1, TYPE2) \
716 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
718 /* Returns nonzero iff NODE is a declaration for the global function
720 #define DECL_MAIN_P(NODE) \
721 (DECL_EXTERN_C_FUNCTION_P (NODE) \
722 && DECL_NAME (NODE) != NULL_TREE \
723 && MAIN_NAME_P (DECL_NAME (NODE)) \
726 /* Lookup walker marking. */
727 #define LOOKUP_SEEN_P(NODE) TREE_VISITED(NODE)
728 #define LOOKUP_FOUND_P(NODE) \
729 TREE_LANG_FLAG_4 (TREE_CHECK3(NODE,RECORD_TYPE,UNION_TYPE,NAMESPACE_DECL))
731 /* These two accessors should only be used by OVL manipulators.
732 Other users should use iterators and convenience functions. */
733 #define OVL_FUNCTION(NODE) \
734 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
735 #define OVL_CHAIN(NODE) \
736 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->common.chain)
738 /* If set, this or a subsequent overload contains decls that need deduping. */
739 #define OVL_DEDUP_P(NODE) TREE_LANG_FLAG_0 (OVERLOAD_CHECK (NODE))
740 /* If set, this was imported in a using declaration. */
741 #define OVL_USING_P(NODE) TREE_LANG_FLAG_1 (OVERLOAD_CHECK (NODE))
742 /* If set, this overload is a hidden decl. */
743 #define OVL_HIDDEN_P(NODE) TREE_LANG_FLAG_2 (OVERLOAD_CHECK (NODE))
744 /* If set, this overload contains a nested overload. */
745 #define OVL_NESTED_P(NODE) TREE_LANG_FLAG_3 (OVERLOAD_CHECK (NODE))
746 /* If set, this overload was constructed during lookup. */
747 #define OVL_LOOKUP_P(NODE) TREE_LANG_FLAG_4 (OVERLOAD_CHECK (NODE))
749 /* The first decl of an overload. */
750 #define OVL_FIRST(NODE) ovl_first (NODE)
751 /* The name of the overload set. */
752 #define OVL_NAME(NODE) DECL_NAME (OVL_FIRST (NODE))
754 /* Whether this is a set of overloaded functions. TEMPLATE_DECLS are
755 always wrapped in an OVERLOAD, so we don't need to check them
757 #define OVL_P(NODE) \
758 (TREE_CODE (NODE) == FUNCTION_DECL || TREE_CODE (NODE) == OVERLOAD)
759 /* Whether this is a single member overload. */
760 #define OVL_SINGLE_P(NODE) \
761 (TREE_CODE (NODE) != OVERLOAD || !OVL_CHAIN (NODE))
763 /* OVL_HIDDEN_P nodes come before other nodes. */
765 struct GTY(()) tree_overload
{
766 struct tree_common common
;
770 /* Iterator for a 1 dimensional overload. Permits iterating over the
771 outer level of a 2-d overload when explicitly enabled. */
776 const bool allow_inner
; /* Only used when checking. */
779 explicit ovl_iterator (tree o
, bool allow
= false)
780 : ovl (o
), allow_inner (allow
)
785 /* Do not duplicate. */
786 ovl_iterator
&operator= (const ovl_iterator
&);
787 ovl_iterator (const ovl_iterator
&);
790 operator bool () const
794 ovl_iterator
&operator++ ()
796 ovl
= TREE_CODE (ovl
) != OVERLOAD
? NULL_TREE
: OVL_CHAIN (ovl
);
799 tree
operator* () const
801 tree fn
= TREE_CODE (ovl
) != OVERLOAD
? ovl
: OVL_FUNCTION (ovl
);
803 /* Check this is not an unexpected 2-dimensional overload. */
804 gcc_checking_assert (allow_inner
|| TREE_CODE (fn
) != OVERLOAD
);
810 /* Whether this overload was introduced by a using decl. */
811 bool using_p () const
813 return (TREE_CODE (ovl
) == USING_DECL
814 || (TREE_CODE (ovl
) == OVERLOAD
&& OVL_USING_P (ovl
)));
816 bool hidden_p () const
818 return TREE_CODE (ovl
) == OVERLOAD
&& OVL_HIDDEN_P (ovl
);
822 tree
remove_node (tree head
)
824 return remove_node (head
, ovl
);
826 tree
reveal_node (tree head
)
828 return reveal_node (head
, ovl
);
832 /* If we have a nested overload, point at the inner overload and
833 return the next link on the outer one. */
838 if (ovl
&& TREE_CODE (ovl
) == OVERLOAD
&& OVL_NESTED_P (ovl
))
841 ovl
= OVL_FUNCTION (ovl
);
845 /* Restore an outer nested overload. */
846 void pop (tree outer
)
848 gcc_checking_assert (!ovl
);
853 /* We make these static functions to avoid the address of the
854 iterator escaping the local context. */
855 static tree
remove_node (tree head
, tree node
);
856 static tree
reveal_node (tree ovl
, tree node
);
859 /* Iterator over a (potentially) 2 dimensional overload, which is
860 produced by name lookup. */
862 class lkp_iterator
: public ovl_iterator
864 typedef ovl_iterator parent
;
869 explicit lkp_iterator (tree o
)
870 : parent (o
, true), outer (maybe_push ())
875 lkp_iterator
&operator++ ()
877 bool repush
= !outer
;
879 if (!parent::operator++ () && !repush
)
886 outer
= maybe_push ();
892 /* hash traits for declarations. Hashes potential overload sets via
895 struct named_decl_hash
: ggc_remove
<tree
>
897 typedef tree value_type
; /* A DECL or OVERLOAD */
898 typedef tree compare_type
; /* An identifier. */
900 inline static hashval_t
hash (const value_type decl
);
901 inline static bool equal (const value_type existing
, compare_type candidate
);
903 static inline void mark_empty (value_type
&p
) {p
= NULL_TREE
;}
904 static inline bool is_empty (value_type p
) {return !p
;}
906 /* Nothing is deletable. Everything is insertable. */
907 static bool is_deleted (value_type
) { return false; }
908 static void mark_deleted (value_type
) { gcc_unreachable (); }
911 /* Simplified unique_ptr clone to release a tree vec on exit. */
916 typedef vec
<tree
, va_gc
> vec_t
;
918 releasing_vec (vec_t
*v
): v(v
) { }
919 releasing_vec (): v(make_tree_vector ()) { }
921 /* Copy ops are deliberately declared but not defined,
922 copies must always be elided. */
923 releasing_vec (const releasing_vec
&);
924 releasing_vec
&operator= (const releasing_vec
&);
926 vec_t
&operator* () const { return *v
; }
927 vec_t
*operator-> () const { return v
; }
928 vec_t
*get() const { return v
; }
929 operator vec_t
*() const { return v
; }
930 vec_t
** operator& () { return &v
; }
932 /* Breaks pointer/value consistency for convenience. */
933 tree
& operator[] (unsigned i
) const { return (*v
)[i
]; }
935 ~releasing_vec() { release_tree_vector (v
); }
939 /* Forwarding functions for vec_safe_* that might reallocate. */
940 inline tree
* vec_safe_push (releasing_vec
& r
, const tree
&t CXX_MEM_STAT_INFO
)
941 { return vec_safe_push (*&r
, t PASS_MEM_STAT
); }
942 inline bool vec_safe_reserve (releasing_vec
& r
, unsigned n
, bool e
= false CXX_MEM_STAT_INFO
)
943 { return vec_safe_reserve (*&r
, n
, e PASS_MEM_STAT
); }
944 inline unsigned vec_safe_length (releasing_vec
&r
)
945 { return r
->length(); }
946 inline void vec_safe_splice (releasing_vec
&r
, vec
<tree
, va_gc
> *p CXX_MEM_STAT_INFO
)
947 { vec_safe_splice (*&r
, p PASS_MEM_STAT
); }
948 void release_tree_vector (releasing_vec
&); // cause link error
950 struct GTY(()) tree_template_decl
{
951 struct tree_decl_common common
;
956 /* Returns true iff NODE is a BASELINK. */
957 #define BASELINK_P(NODE) \
958 (TREE_CODE (NODE) == BASELINK)
959 /* The BINFO indicating the base in which lookup found the
960 BASELINK_FUNCTIONS. */
961 #define BASELINK_BINFO(NODE) \
962 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
963 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
964 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
965 #define BASELINK_FUNCTIONS(NODE) \
966 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
967 /* If T is a BASELINK, grab the functions, otherwise just T, which is
968 expected to already be a (list of) functions. */
969 #define MAYBE_BASELINK_FUNCTIONS(T) \
970 (BASELINK_P (T) ? BASELINK_FUNCTIONS (T) : T)
971 /* The BINFO in which the search for the functions indicated by this baselink
972 began. This base is used to determine the accessibility of functions
973 selected by overload resolution. */
974 #define BASELINK_ACCESS_BINFO(NODE) \
975 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
976 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
977 to which the conversion should occur. This value is important if
978 the BASELINK_FUNCTIONS include a template conversion operator --
979 the BASELINK_OPTYPE can be used to determine what type the user
981 #define BASELINK_OPTYPE(NODE) \
982 (TREE_CHAIN (BASELINK_CHECK (NODE)))
983 /* Nonzero if this baselink was from a qualified lookup. */
984 #define BASELINK_QUALIFIED_P(NODE) \
985 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
987 struct GTY(()) tree_baselink
{
988 struct tree_common common
;
994 /* The different kinds of ids that we encounter. */
998 /* Not an id at all. */
1000 /* An unqualified-id that is not a template-id. */
1001 CP_ID_KIND_UNQUALIFIED
,
1002 /* An unqualified-id that is a dependent name. */
1003 CP_ID_KIND_UNQUALIFIED_DEPENDENT
,
1004 /* An unqualified template-id. */
1005 CP_ID_KIND_TEMPLATE_ID
,
1006 /* A qualified-id. */
1007 CP_ID_KIND_QUALIFIED
1011 /* The various kinds of C++0x warnings we encounter. */
1015 /* extended initializer lists */
1016 CPP0X_INITIALIZER_LISTS
,
1017 /* explicit conversion operators */
1018 CPP0X_EXPLICIT_CONVERSION
,
1019 /* variadic templates */
1020 CPP0X_VARIADIC_TEMPLATES
,
1021 /* lambda expressions */
1027 /* defaulted and deleted functions */
1028 CPP0X_DEFAULTED_DELETED
,
1029 /* inline namespaces */
1030 CPP0X_INLINE_NAMESPACES
,
1031 /* override controls, override/final */
1032 CPP0X_OVERRIDE_CONTROLS
,
1033 /* non-static data member initializers */
1035 /* user defined literals */
1036 CPP0X_USER_DEFINED_LITERALS
,
1037 /* delegating constructors */
1038 CPP0X_DELEGATING_CTORS
,
1039 /* inheriting constructors */
1040 CPP0X_INHERITING_CTORS
,
1041 /* C++11 attributes */
1043 /* ref-qualified member functions */
1047 /* The various kinds of operation used by composite_pointer_type. */
1049 enum composite_pointer_operation
1055 /* conditional expression */
1056 CPO_CONDITIONAL_EXPR
1059 /* Possible cases of expression list used by build_x_compound_expr_from_list. */
1060 enum expr_list_kind
{
1061 ELK_INIT
, /* initializer */
1062 ELK_MEM_INIT
, /* member initializer */
1063 ELK_FUNC_CAST
/* functional cast */
1066 /* Possible cases of implicit bad rhs conversions. */
1067 enum impl_conv_rhs
{
1068 ICR_DEFAULT_ARGUMENT
, /* default argument */
1069 ICR_CONVERTING
, /* converting */
1070 ICR_INIT
, /* initialization */
1071 ICR_ARGPASS
, /* argument passing */
1072 ICR_RETURN
, /* return */
1073 ICR_ASSIGN
/* assignment */
1076 /* Possible cases of implicit or explicit bad conversions to void. */
1077 enum impl_conv_void
{
1078 ICV_CAST
, /* (explicit) conversion to void */
1079 ICV_SECOND_OF_COND
, /* second operand of conditional expression */
1080 ICV_THIRD_OF_COND
, /* third operand of conditional expression */
1081 ICV_RIGHT_OF_COMMA
, /* right operand of comma operator */
1082 ICV_LEFT_OF_COMMA
, /* left operand of comma operator */
1083 ICV_STATEMENT
, /* statement */
1084 ICV_THIRD_IN_FOR
/* for increment expression */
1087 /* Possible invalid uses of an abstract class that might not have a
1088 specific associated declaration. */
1089 enum GTY(()) abstract_class_use
{
1090 ACU_UNKNOWN
, /* unknown or decl provided */
1091 ACU_CAST
, /* cast to abstract class */
1092 ACU_NEW
, /* new-expression of abstract class */
1093 ACU_THROW
, /* throw-expression of abstract class */
1094 ACU_CATCH
, /* catch-parameter of abstract class */
1095 ACU_ARRAY
, /* array of abstract class */
1096 ACU_RETURN
, /* return type of abstract class */
1097 ACU_PARM
/* parameter type of abstract class */
1100 /* Macros for access to language-specific slots in an identifier. */
1102 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
1103 identifier. Its PREVIOUS is the next outermost binding. Each
1104 VALUE field is a DECL for the associated declaration. Thus,
1105 name lookup consists simply of pulling off the node at the front
1106 of the list (modulo oddities for looking up the names of types,
1107 and such.) You can use SCOPE field to determine the scope
1108 that bound the name. */
1109 #define IDENTIFIER_BINDING(NODE) \
1110 (LANG_IDENTIFIER_CAST (NODE)->bindings)
1112 /* TREE_TYPE only indicates on local and class scope the current
1113 type. For namespace scope, the presence of a type in any namespace
1114 is indicated with global_type_node, and the real type behind must
1115 be found through lookup. */
1116 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
1117 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
1118 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
1119 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
1121 /* Kinds of identifiers. Values are carefully chosen. */
1122 enum cp_identifier_kind
{
1123 cik_normal
= 0, /* Not a special identifier. */
1124 cik_keyword
= 1, /* A keyword. */
1125 cik_ctor
= 2, /* Constructor (in-chg, complete or base). */
1126 cik_dtor
= 3, /* Destructor (in-chg, deleting, complete or
1128 cik_simple_op
= 4, /* Non-assignment operator name. */
1129 cik_assign_op
= 5, /* An assignment operator name. */
1130 cik_conv_op
= 6, /* Conversion operator name. */
1131 cik_reserved_for_udlit
= 7, /* Not yet in use */
1136 #define IDENTIFIER_KIND_BIT_0(NODE) \
1137 TREE_LANG_FLAG_0 (IDENTIFIER_NODE_CHECK (NODE))
1138 #define IDENTIFIER_KIND_BIT_1(NODE) \
1139 TREE_LANG_FLAG_1 (IDENTIFIER_NODE_CHECK (NODE))
1140 #define IDENTIFIER_KIND_BIT_2(NODE) \
1141 TREE_LANG_FLAG_2 (IDENTIFIER_NODE_CHECK (NODE))
1143 /* Used by various search routines. */
1144 #define IDENTIFIER_MARKED(NODE) \
1145 TREE_LANG_FLAG_4 (IDENTIFIER_NODE_CHECK (NODE))
1147 /* Nonzero if this identifier is used as a virtual function name somewhere
1148 (optimizes searches). */
1149 #define IDENTIFIER_VIRTUAL_P(NODE) \
1150 TREE_LANG_FLAG_5 (IDENTIFIER_NODE_CHECK (NODE))
1152 /* True if this identifier is a reserved word. C_RID_CODE (node) is
1153 then the RID_* value of the keyword. Value 1. */
1154 #define IDENTIFIER_KEYWORD_P(NODE) \
1155 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1156 & (!IDENTIFIER_KIND_BIT_1 (NODE)) \
1157 & IDENTIFIER_KIND_BIT_0 (NODE))
1159 /* True if this identifier is the name of a constructor or
1160 destructor. Value 2 or 3. */
1161 #define IDENTIFIER_CDTOR_P(NODE) \
1162 ((!IDENTIFIER_KIND_BIT_2 (NODE)) \
1163 & IDENTIFIER_KIND_BIT_1 (NODE))
1165 /* True if this identifier is the name of a constructor. Value 2. */
1166 #define IDENTIFIER_CTOR_P(NODE) \
1167 (IDENTIFIER_CDTOR_P(NODE) \
1168 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1170 /* True if this identifier is the name of a destructor. Value 3. */
1171 #define IDENTIFIER_DTOR_P(NODE) \
1172 (IDENTIFIER_CDTOR_P(NODE) \
1173 & IDENTIFIER_KIND_BIT_0 (NODE))
1175 /* True if this identifier is for any operator name (including
1176 conversions). Value 4, 5, 6 or 7. */
1177 #define IDENTIFIER_ANY_OP_P(NODE) \
1178 (IDENTIFIER_KIND_BIT_2 (NODE))
1180 /* True if this identifier is for an overloaded operator. Values 4, 5. */
1181 #define IDENTIFIER_OVL_OP_P(NODE) \
1182 (IDENTIFIER_ANY_OP_P (NODE) \
1183 & (!IDENTIFIER_KIND_BIT_1 (NODE)))
1185 /* True if this identifier is for any assignment. Values 5. */
1186 #define IDENTIFIER_ASSIGN_OP_P(NODE) \
1187 (IDENTIFIER_OVL_OP_P (NODE) \
1188 & IDENTIFIER_KIND_BIT_0 (NODE))
1190 /* True if this identifier is the name of a type-conversion
1191 operator. Value 7. */
1192 #define IDENTIFIER_CONV_OP_P(NODE) \
1193 (IDENTIFIER_ANY_OP_P (NODE) \
1194 & IDENTIFIER_KIND_BIT_1 (NODE) \
1195 & (!IDENTIFIER_KIND_BIT_0 (NODE)))
1197 /* True if this identifier is a new or delete operator. */
1198 #define IDENTIFIER_NEWDEL_OP_P(NODE) \
1199 (IDENTIFIER_OVL_OP_P (NODE) \
1200 && IDENTIFIER_OVL_OP_FLAGS (NODE) & OVL_OP_FLAG_ALLOC)
1202 /* True if this identifier is a new operator. */
1203 #define IDENTIFIER_NEW_OP_P(NODE) \
1204 (IDENTIFIER_OVL_OP_P (NODE) \
1205 && (IDENTIFIER_OVL_OP_FLAGS (NODE) \
1206 & (OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_DELETE)) == OVL_OP_FLAG_ALLOC)
1208 /* Access a C++-specific index for identifier NODE.
1209 Used to optimize operator mappings etc. */
1210 #define IDENTIFIER_CP_INDEX(NODE) \
1211 (IDENTIFIER_NODE_CHECK(NODE)->base.u.bits.address_space)
1213 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
1214 #define C_TYPE_FIELDS_READONLY(TYPE) \
1215 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
1217 /* The tokens stored in the unparsed operand. */
1219 #define DEFPARSE_TOKENS(NODE) \
1220 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->tokens)
1221 #define DEFPARSE_INSTANTIATIONS(NODE) \
1222 (((struct tree_deferred_parse *)DEFERRED_PARSE_CHECK (NODE))->instantiations)
1224 struct GTY (()) tree_deferred_parse
{
1225 struct tree_base base
;
1226 struct cp_token_cache
*tokens
;
1227 vec
<tree
, va_gc
> *instantiations
;
1231 #define DEFERRED_NOEXCEPT_PATTERN(NODE) \
1232 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->pattern)
1233 #define DEFERRED_NOEXCEPT_ARGS(NODE) \
1234 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->args)
1235 #define DEFERRED_NOEXCEPT_SPEC_P(NODE) \
1236 ((NODE) && (TREE_PURPOSE (NODE)) \
1237 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_NOEXCEPT))
1238 #define UNEVALUATED_NOEXCEPT_SPEC_P(NODE) \
1239 (DEFERRED_NOEXCEPT_SPEC_P (NODE) \
1240 && DEFERRED_NOEXCEPT_PATTERN (TREE_PURPOSE (NODE)) == NULL_TREE)
1241 #define UNPARSED_NOEXCEPT_SPEC_P(NODE) \
1242 ((NODE) && (TREE_PURPOSE (NODE)) \
1243 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_PARSE))
1245 struct GTY (()) tree_deferred_noexcept
{
1246 struct tree_base base
;
1252 /* The condition associated with the static assertion. This must be
1253 an integral constant expression. */
1254 #define STATIC_ASSERT_CONDITION(NODE) \
1255 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
1257 /* The message associated with the static assertion. This must be a
1258 string constant, which will be emitted as an error message when the
1259 static assert condition is false. */
1260 #define STATIC_ASSERT_MESSAGE(NODE) \
1261 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
1263 /* Source location information for a static assertion. */
1264 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
1265 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
1267 struct GTY (()) tree_static_assert
{
1268 struct tree_common common
;
1271 location_t location
;
1274 struct GTY (()) tree_argument_pack_select
{
1275 struct tree_common common
;
1280 /* The different kinds of traits that we encounter. */
1286 CPTK_HAS_NOTHROW_ASSIGN
,
1287 CPTK_HAS_NOTHROW_CONSTRUCTOR
,
1288 CPTK_HAS_NOTHROW_COPY
,
1289 CPTK_HAS_TRIVIAL_ASSIGN
,
1290 CPTK_HAS_TRIVIAL_CONSTRUCTOR
,
1291 CPTK_HAS_TRIVIAL_COPY
,
1292 CPTK_HAS_TRIVIAL_DESTRUCTOR
,
1293 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS
,
1294 CPTK_HAS_VIRTUAL_DESTRUCTOR
,
1302 CPTK_IS_LITERAL_TYPE
,
1304 CPTK_IS_POLYMORPHIC
,
1308 CPTK_IS_TRIVIALLY_ASSIGNABLE
,
1309 CPTK_IS_TRIVIALLY_CONSTRUCTIBLE
,
1310 CPTK_IS_TRIVIALLY_COPYABLE
,
1312 CPTK_UNDERLYING_TYPE
,
1314 CPTK_IS_CONSTRUCTIBLE
1317 /* The types that we are processing. */
1318 #define TRAIT_EXPR_TYPE1(NODE) \
1319 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
1321 #define TRAIT_EXPR_TYPE2(NODE) \
1322 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
1324 /* The specific trait that we are processing. */
1325 #define TRAIT_EXPR_KIND(NODE) \
1326 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
1328 #define TRAIT_EXPR_LOCATION(NODE) \
1329 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->locus)
1331 struct GTY (()) tree_trait_expr
{
1332 struct tree_common common
;
1336 enum cp_trait_kind kind
;
1339 /* Identifiers used for lambda types are almost anonymous. Use this
1340 spare flag to distinguish them (they also have the anonymous flag). */
1341 #define IDENTIFIER_LAMBDA_P(NODE) \
1342 (IDENTIFIER_NODE_CHECK(NODE)->base.protected_flag)
1344 /* Based off of TYPE_UNNAMED_P. */
1345 #define LAMBDA_TYPE_P(NODE) \
1346 (TREE_CODE (NODE) == RECORD_TYPE \
1347 && TYPE_LINKAGE_IDENTIFIER (NODE) \
1348 && IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
1350 /* Test if FUNCTION_DECL is a lambda function. */
1351 #define LAMBDA_FUNCTION_P(FNDECL) \
1352 (DECL_DECLARES_FUNCTION_P (FNDECL) \
1353 && DECL_OVERLOADED_OPERATOR_P (FNDECL) \
1354 && DECL_OVERLOADED_OPERATOR_IS (FNDECL, CALL_EXPR) \
1355 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
1357 enum cp_lambda_default_capture_mode_type
{
1363 /* The method of default capture, if any. */
1364 #define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
1365 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
1367 /* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
1368 * so that the name, type, and field are all together, whether or not it has
1369 * been added to the lambda's class type.
1371 TREE_PURPOSE: The FIELD_DECL for this capture.
1372 TREE_VALUE: The initializer. This is part of a GNU extension. */
1373 #define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
1374 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
1376 /* During parsing of the lambda-introducer, the node in the capture-list
1377 that holds the 'this' capture. During parsing of the body, the
1378 capture proxy for that node. */
1379 #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
1380 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
1382 /* Predicate tracking whether `this' is in the effective capture set. */
1383 #define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
1384 LAMBDA_EXPR_THIS_CAPTURE(NODE)
1386 /* Predicate tracking whether the lambda was declared 'mutable'. */
1387 #define LAMBDA_EXPR_MUTABLE_P(NODE) \
1388 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
1390 /* True iff uses of a const variable capture were optimized away. */
1391 #define LAMBDA_EXPR_CAPTURE_OPTIMIZED(NODE) \
1392 TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE))
1394 /* True iff this LAMBDA_EXPR was generated in tsubst_lambda_expr. */
1395 #define LAMBDA_EXPR_INSTANTIATED(NODE) \
1396 TREE_LANG_FLAG_3 (LAMBDA_EXPR_CHECK (NODE))
1398 /* True if this TREE_LIST in LAMBDA_EXPR_CAPTURE_LIST is for an explicit
1400 #define LAMBDA_CAPTURE_EXPLICIT_P(NODE) \
1401 TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
1403 /* The source location of the lambda. */
1404 #define LAMBDA_EXPR_LOCATION(NODE) \
1405 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
1407 /* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
1408 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
1409 #define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
1410 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
1412 /* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
1413 #define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
1414 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
1416 /* During parsing of the lambda, a vector of capture proxies which need
1417 to be pushed once we're done processing a nested lambda. */
1418 #define LAMBDA_EXPR_PENDING_PROXIES(NODE) \
1419 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->pending_proxies)
1421 /* The closure type of the lambda, which is also the type of the
1423 #define LAMBDA_EXPR_CLOSURE(NODE) \
1424 (TREE_TYPE (LAMBDA_EXPR_CHECK (NODE)))
1426 struct GTY (()) tree_lambda_expr
1428 struct tree_typed typed
;
1432 vec
<tree
, va_gc
> *pending_proxies
;
1434 enum cp_lambda_default_capture_mode_type default_capture_mode
;
1438 /* A (typedef,context,usage location) triplet.
1439 It represents a typedef used through a
1440 context at a given source location.
1447 foo::myint v; // #1<-- this location.
1450 In bar, the triplet will be (myint, foo, #1).
1452 struct GTY(()) qualified_typedef_usage_s
{
1457 typedef struct qualified_typedef_usage_s qualified_typedef_usage_t
;
1459 /* Non-zero if this template specialization has access violations that
1460 should be rechecked when the function is instantiated outside argument
1462 #define TINFO_HAS_ACCESS_ERRORS(NODE) \
1463 (TREE_LANG_FLAG_0 (TEMPLATE_INFO_CHECK (NODE)))
1464 #define FNDECL_HAS_ACCESS_ERRORS(NODE) \
1465 (TINFO_HAS_ACCESS_ERRORS (DECL_TEMPLATE_INFO (NODE)))
1467 /* Non-zero if this variable template specialization was specified using a
1468 template-id, so it's a partial or full specialization and not a definition
1469 of the member template of a particular class specialization. */
1470 #define TINFO_USED_TEMPLATE_ID(NODE) \
1471 (TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE)))
1473 /* Non-zero if this variable template specialization was declared with the
1474 `constinit' specifier. */
1475 #define TINFO_VAR_DECLARED_CONSTINIT(NODE) \
1476 (TREE_LANG_FLAG_2 (TEMPLATE_INFO_CHECK (NODE)))
1478 struct GTY(()) tree_template_info
{
1479 struct tree_base base
;
1482 vec
<qualified_typedef_usage_t
, va_gc
> *typedefs_needing_access_checking
;
1485 // Constraint information for a C++ declaration. Constraint information is
1488 // - a constraint expression introduced by the template header
1489 // - a constraint expression introduced by a function declarator
1490 // - the associated constraints, which are the conjunction of those,
1491 // and used for declaration matching
1493 // The template and declarator requirements are kept to support pretty
1494 // printing constrained declarations.
1495 struct GTY(()) tree_constraint_info
{
1496 struct tree_base base
;
1498 tree declarator_reqs
;
1499 tree associated_constr
;
1502 // Require that pointer P is non-null before returning.
1503 template<typename T
>
1505 check_nonnull (T
* p
)
1511 /* Returns true iff T is non-null and represents constraint info. */
1512 inline tree_constraint_info
*
1513 check_constraint_info (tree t
)
1515 if (t
&& TREE_CODE (t
) == CONSTRAINT_INFO
)
1516 return (tree_constraint_info
*)t
;
1520 /* Access the expression describing the template constraints. This may be
1521 null if no constraints were introduced in the template parameter list,
1522 a requirements clause after the template parameter list, or constraints
1523 through a constrained-type-specifier. */
1524 #define CI_TEMPLATE_REQS(NODE) \
1525 check_constraint_info (check_nonnull (NODE))->template_reqs
1527 /* Access the expression describing the trailing constraints. This is non-null
1528 for any implicit instantiation of a constrained declaration. For a
1529 templated declaration it is non-null only when a trailing requires-clause
1531 #define CI_DECLARATOR_REQS(NODE) \
1532 check_constraint_info (check_nonnull (NODE))->declarator_reqs
1534 /* The computed associated constraint expression for a declaration. */
1535 #define CI_ASSOCIATED_CONSTRAINTS(NODE) \
1536 check_constraint_info (check_nonnull (NODE))->associated_constr
1538 /* Access the constraint-expression introduced by the requires-clause
1539 associate the template parameter list NODE. */
1540 #define TEMPLATE_PARMS_CONSTRAINTS(NODE) \
1541 TREE_TYPE (TREE_LIST_CHECK (NODE))
1543 /* Access the logical constraints on the template parameter declaration
1544 indicated by NODE. */
1545 #define TEMPLATE_PARM_CONSTRAINTS(NODE) \
1546 TREE_TYPE (TREE_LIST_CHECK (NODE))
1548 /* Non-zero if the noexcept is present in a compound requirement. */
1549 #define COMPOUND_REQ_NOEXCEPT_P(NODE) \
1550 TREE_LANG_FLAG_0 (TREE_CHECK (NODE, COMPOUND_REQ))
1552 /* The constraints on an 'auto' placeholder type, used in an argument deduction
1554 #define PLACEHOLDER_TYPE_CONSTRAINTS(NODE) \
1555 DECL_SIZE_UNIT (TYPE_NAME (NODE))
1557 /* True if NODE is a constraint. */
1558 #define CONSTR_P(NODE) \
1559 (TREE_CODE (NODE) == ATOMIC_CONSTR \
1560 || TREE_CODE (NODE) == CONJ_CONSTR \
1561 || TREE_CODE (NODE) == DISJ_CONSTR)
1563 /* Valid for any normalized constraint. */
1564 #define CONSTR_CHECK(NODE) \
1565 TREE_CHECK3 (NODE, ATOMIC_CONSTR, CONJ_CONSTR, DISJ_CONSTR)
1567 /* The CONSTR_INFO stores normalization data for a constraint. It refers to
1568 the original expression and the expression or declaration
1569 from which the constraint was normalized.
1571 This is TREE_LIST whose TREE_PURPOSE is the original expression and whose
1572 TREE_VALUE is a list of contexts. */
1573 #define CONSTR_INFO(NODE) \
1574 TREE_TYPE (CONSTR_CHECK (NODE))
1576 /* The expression evaluated by the constraint. */
1577 #define CONSTR_EXPR(NODE) \
1578 TREE_PURPOSE (CONSTR_INFO (NODE))
1580 /* The expression or declaration from which this constraint was normalized.
1581 This is a TREE_LIST whose TREE_VALUE is either a template-id expression
1582 denoting a concept check or the declaration introducing the constraint.
1583 These are chained to other context objects. */
1584 #define CONSTR_CONTEXT(NODE) \
1585 TREE_VALUE (CONSTR_INFO (NODE))
1587 /* The parameter mapping for an atomic constraint. */
1588 #define ATOMIC_CONSTR_MAP(NODE) \
1589 TREE_OPERAND (TREE_CHECK (NODE, ATOMIC_CONSTR), 0)
1591 /* The expression of an atomic constraint. */
1592 #define ATOMIC_CONSTR_EXPR(NODE) \
1593 CONSTR_EXPR (ATOMIC_CONSTR_CHECK (NODE))
1595 /* The concept of a concept check. */
1596 #define CHECK_CONSTR_CONCEPT(NODE) \
1597 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 0)
1599 /* The template arguments of a concept check. */
1600 #define CHECK_CONSTR_ARGS(NODE) \
1601 TREE_OPERAND (TREE_CHECK (NODE, CHECK_CONSTR), 1)
1603 /* Whether a PARM_DECL represents a local parameter in a
1604 requires-expression. */
1605 #define CONSTRAINT_VAR_P(NODE) \
1606 DECL_LANG_FLAG_2 (TREE_CHECK (NODE, PARM_DECL))
1608 /* The concept constraining this constrained template-parameter. */
1609 #define CONSTRAINED_PARM_CONCEPT(NODE) \
1610 DECL_SIZE_UNIT (TYPE_DECL_CHECK (NODE))
1611 /* Any extra template arguments specified for a constrained
1612 template-parameter. */
1613 #define CONSTRAINED_PARM_EXTRA_ARGS(NODE) \
1614 DECL_SIZE (TYPE_DECL_CHECK (NODE))
1615 /* The first template parameter of CONSTRAINED_PARM_CONCEPT to be used as a
1616 prototype for the constrained parameter in finish_shorthand_constraint,
1617 attached for convenience. */
1618 #define CONSTRAINED_PARM_PROTOTYPE(NODE) \
1619 DECL_INITIAL (TYPE_DECL_CHECK (NODE))
1621 enum cp_tree_node_structure_enum
{
1628 TS_CP_TEMPLATE_DECL
,
1629 TS_CP_DEFERRED_PARSE
,
1630 TS_CP_DEFERRED_NOEXCEPT
,
1631 TS_CP_STATIC_ASSERT
,
1632 TS_CP_ARGUMENT_PACK_SELECT
,
1635 TS_CP_TEMPLATE_INFO
,
1636 TS_CP_CONSTRAINT_INFO
,
1637 TS_CP_USERDEF_LITERAL
1640 /* The resulting tree type. */
1641 union GTY((desc ("cp_tree_node_structure (&%h)"),
1642 chain_next ("(union lang_tree_node *) c_tree_chain_next (&%h.generic)"))) lang_tree_node
{
1643 union tree_node
GTY ((tag ("TS_CP_GENERIC"),
1644 desc ("tree_node_structure (&%h)"))) generic
;
1645 struct template_parm_index
GTY ((tag ("TS_CP_TPI"))) tpi
;
1646 struct ptrmem_cst
GTY ((tag ("TS_CP_PTRMEM"))) ptrmem
;
1647 struct tree_overload
GTY ((tag ("TS_CP_OVERLOAD"))) overload
;
1648 struct tree_baselink
GTY ((tag ("TS_CP_BASELINK"))) baselink
;
1649 struct tree_template_decl
GTY ((tag ("TS_CP_TEMPLATE_DECL"))) template_decl
;
1650 struct tree_deferred_parse
GTY ((tag ("TS_CP_DEFERRED_PARSE"))) deferred_parse
;
1651 struct tree_deferred_noexcept
GTY ((tag ("TS_CP_DEFERRED_NOEXCEPT"))) deferred_noexcept
;
1652 struct lang_identifier
GTY ((tag ("TS_CP_IDENTIFIER"))) identifier
;
1653 struct tree_static_assert
GTY ((tag ("TS_CP_STATIC_ASSERT")))
1655 struct tree_argument_pack_select
GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
1656 argument_pack_select
;
1657 struct tree_trait_expr
GTY ((tag ("TS_CP_TRAIT_EXPR")))
1659 struct tree_lambda_expr
GTY ((tag ("TS_CP_LAMBDA_EXPR")))
1661 struct tree_template_info
GTY ((tag ("TS_CP_TEMPLATE_INFO")))
1663 struct tree_constraint_info
GTY ((tag ("TS_CP_CONSTRAINT_INFO")))
1665 struct tree_userdef_literal
GTY ((tag ("TS_CP_USERDEF_LITERAL")))
1672 struct GTY(()) saved_scope
{
1673 vec
<cxx_saved_binding
, va_gc
> *old_bindings
;
1675 vec
<tree
, va_gc
> *decl_ns_list
;
1678 tree access_specifier
;
1680 vec
<tree
, va_gc
> *lang_base
;
1682 tree template_parms
;
1683 cp_binding_level
*x_previous_class_level
;
1686 /* Only used for uses of this in trailing return type. */
1687 tree x_current_class_ptr
;
1688 tree x_current_class_ref
;
1690 int x_processing_template_decl
;
1691 int x_processing_specialization
;
1692 int x_processing_constraint
;
1693 int suppress_location_wrappers
;
1694 BOOL_BITFIELD x_processing_explicit_instantiation
: 1;
1695 BOOL_BITFIELD need_pop_function_context
: 1;
1697 /* Nonzero if we are parsing the discarded statement of a constexpr
1699 BOOL_BITFIELD discarded_stmt
: 1;
1701 int unevaluated_operand
;
1702 int inhibit_evaluation_warnings
;
1703 int noexcept_operand
;
1704 /* If non-zero, implicit "omp declare target" attribute is added into the
1706 int omp_declare_target_attribute
;
1709 struct stmt_tree_s x_stmt_tree
;
1711 cp_binding_level
*class_bindings
;
1712 cp_binding_level
*bindings
;
1714 hash_map
<tree
, tree
> *GTY((skip
)) x_local_specializations
;
1716 struct saved_scope
*prev
;
1719 extern GTY(()) struct saved_scope
*scope_chain
;
1721 /* The current open namespace. */
1723 #define current_namespace scope_chain->old_namespace
1725 /* The stack for namespaces of current declarations. */
1727 #define decl_namespace_list scope_chain->decl_ns_list
1729 /* IDENTIFIER_NODE: name of current class */
1731 #define current_class_name scope_chain->class_name
1733 /* _TYPE: the type of the current class */
1735 #define current_class_type scope_chain->class_type
1737 /* When parsing a class definition, the access specifier most recently
1738 given by the user, or, if no access specifier was given, the
1739 default value appropriate for the kind of class (i.e., struct,
1740 class, or union). */
1742 #define current_access_specifier scope_chain->access_specifier
1744 /* Pointer to the top of the language name stack. */
1746 #define current_lang_base scope_chain->lang_base
1747 #define current_lang_name scope_chain->lang_name
1749 /* When parsing a template declaration, a TREE_LIST represents the
1750 active template parameters. Each node in the list represents one
1751 level of template parameters. The innermost level is first in the
1752 list. The depth of each level is stored as an INTEGER_CST in the
1753 TREE_PURPOSE of each node. The parameters for that level are
1754 stored in the TREE_VALUE. */
1756 #define current_template_parms scope_chain->template_parms
1758 #define processing_template_decl scope_chain->x_processing_template_decl
1759 #define processing_specialization scope_chain->x_processing_specialization
1760 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
1762 #define in_discarded_stmt scope_chain->discarded_stmt
1764 #define current_ref_temp_count scope_chain->ref_temp_count
1766 /* RAII sentinel to handle clearing processing_template_decl and restoring
1769 class processing_template_decl_sentinel
1773 processing_template_decl_sentinel (bool reset
= true)
1774 : saved (processing_template_decl
)
1777 processing_template_decl
= 0;
1779 ~processing_template_decl_sentinel()
1781 processing_template_decl
= saved
;
1785 /* RAII sentinel to disable certain warnings during template substitution
1788 class warning_sentinel
1793 warning_sentinel(int& flag
, bool suppress
=true)
1794 : flag(flag
), val(flag
) { if (suppress
) flag
= 0; }
1795 ~warning_sentinel() { flag
= val
; }
1798 /* RAII sentinel to temporarily override input_location. This will not set
1799 input_location to UNKNOWN_LOCATION or BUILTINS_LOCATION. */
1803 location_t saved_loc
;
1805 iloc_sentinel (location_t loc
): saved_loc (input_location
)
1807 if (loc
>= RESERVED_LOCATION_COUNT
)
1808 input_location
= loc
;
1812 input_location
= saved_loc
;
1816 /* RAII sentinel that saves the value of a variable, optionally
1817 overrides it right away, and restores its value when the sentinel
1820 template <typename T
>
1823 T
& overridden_variable
;
1826 temp_override(T
& var
) : overridden_variable (var
), saved_value (var
) {}
1827 temp_override(T
& var
, T overrider
)
1828 : overridden_variable (var
), saved_value (var
)
1830 overridden_variable
= overrider
;
1832 ~temp_override() { overridden_variable
= saved_value
; }
1835 /* The cached class binding level, from the most recently exited
1836 class, or NULL if none. */
1838 #define previous_class_level scope_chain->x_previous_class_level
1840 /* A map from local variable declarations in the body of the template
1841 presently being instantiated to the corresponding instantiated
1844 #define local_specializations scope_chain->x_local_specializations
1846 /* Nonzero if we are parsing the operand of a noexcept operator. */
1848 #define cp_noexcept_operand scope_chain->noexcept_operand
1850 /* A list of private types mentioned, for deferred access checking. */
1852 struct GTY((for_user
)) cxx_int_tree_map
{
1857 struct cxx_int_tree_map_hasher
: ggc_ptr_hash
<cxx_int_tree_map
>
1859 static hashval_t
hash (cxx_int_tree_map
*);
1860 static bool equal (cxx_int_tree_map
*, cxx_int_tree_map
*);
1863 struct named_label_entry
; /* Defined in decl.c. */
1865 struct named_label_hash
: ggc_remove
<named_label_entry
*>
1867 typedef named_label_entry
*value_type
;
1868 typedef tree compare_type
; /* An identifier. */
1870 inline static hashval_t
hash (value_type
);
1871 inline static bool equal (const value_type
, compare_type
);
1873 inline static void mark_empty (value_type
&p
) {p
= NULL
;}
1874 inline static bool is_empty (value_type p
) {return !p
;}
1876 /* Nothing is deletable. Everything is insertable. */
1877 inline static bool is_deleted (value_type
) { return false; }
1878 inline static void mark_deleted (value_type
) { gcc_unreachable (); }
1881 /* Global state pertinent to the current function. */
1883 struct GTY(()) language_function
{
1884 struct c_language_function base
;
1887 tree x_current_class_ptr
;
1888 tree x_current_class_ref
;
1889 tree x_eh_spec_block
;
1890 tree x_in_charge_parm
;
1892 tree x_return_value
;
1894 BOOL_BITFIELD returns_value
: 1;
1895 BOOL_BITFIELD returns_null
: 1;
1896 BOOL_BITFIELD returns_abnormally
: 1;
1897 BOOL_BITFIELD infinite_loop
: 1;
1898 BOOL_BITFIELD x_in_function_try_handler
: 1;
1899 BOOL_BITFIELD x_in_base_initializer
: 1;
1901 /* True if this function can throw an exception. */
1902 BOOL_BITFIELD can_throw
: 1;
1904 BOOL_BITFIELD invalid_constexpr
: 1;
1906 hash_table
<named_label_hash
> *x_named_labels
;
1908 cp_binding_level
*bindings
;
1910 /* Tracking possibly infinite loops. This is a vec<tree> only because
1911 vec<bool> doesn't work with gtype. */
1912 vec
<tree
, va_gc
> *infinite_loops
;
1913 hash_table
<cxx_int_tree_map_hasher
> *extern_decl_map
;
1916 /* The current C++-specific per-function global variables. */
1918 #define cp_function_chain (cfun->language)
1920 /* In a constructor destructor, the point at which all derived class
1921 destroying/construction has been done. I.e., just before a
1922 constructor returns, or before any base class destroying will be done
1925 #define cdtor_label cp_function_chain->x_cdtor_label
1927 /* When we're processing a member function, current_class_ptr is the
1928 PARM_DECL for the `this' pointer. The current_class_ref is an
1929 expression for `*this'. */
1931 #define current_class_ptr \
1932 (*(cfun && cp_function_chain \
1933 ? &cp_function_chain->x_current_class_ptr \
1934 : &scope_chain->x_current_class_ptr))
1935 #define current_class_ref \
1936 (*(cfun && cp_function_chain \
1937 ? &cp_function_chain->x_current_class_ref \
1938 : &scope_chain->x_current_class_ref))
1940 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
1941 function, if any. */
1943 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
1945 /* The `__in_chrg' parameter for the current function. Only used for
1946 constructors and destructors. */
1948 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
1950 /* The `__vtt_parm' parameter for the current function. Only used for
1951 constructors and destructors. */
1953 #define current_vtt_parm cp_function_chain->x_vtt_parm
1955 /* A boolean flag to control whether we need to clean up the return value if a
1956 local destructor throws. Only used in functions that return by value a
1957 class with a destructor. Which 'tors don't, so we can use the same
1958 field as current_vtt_parm. */
1960 #define current_retval_sentinel current_vtt_parm
1962 /* Set to 0 at beginning of a function definition, set to 1 if
1963 a return statement that specifies a return value is seen. */
1965 #define current_function_returns_value cp_function_chain->returns_value
1967 /* Set to 0 at beginning of a function definition, set to 1 if
1968 a return statement with no argument is seen. */
1970 #define current_function_returns_null cp_function_chain->returns_null
1972 /* Set to 0 at beginning of a function definition, set to 1 if
1973 a call to a noreturn function is seen. */
1975 #define current_function_returns_abnormally \
1976 cp_function_chain->returns_abnormally
1978 /* Set to 0 at beginning of a function definition, set to 1 if we see an
1979 obvious infinite loop. This can have false positives and false
1980 negatives, so it should only be used as a heuristic. */
1982 #define current_function_infinite_loop cp_function_chain->infinite_loop
1984 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
1985 #define in_base_initializer cp_function_chain->x_in_base_initializer
1987 #define in_function_try_handler cp_function_chain->x_in_function_try_handler
1989 /* Expression always returned from function, or error_mark_node
1990 otherwise, for use by the automatic named return value optimization. */
1992 #define current_function_return_value \
1993 (cp_function_chain->x_return_value)
1996 extern tree
cp_literal_operator_id (const char *);
1998 #define NON_ERROR(NODE) ((NODE) == error_mark_node ? NULL_TREE : (NODE))
2000 /* TRUE if a tree code represents a statement. */
2001 extern bool statement_code_p
[MAX_TREE_CODES
];
2003 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
2005 enum languages
{ lang_c
, lang_cplusplus
};
2007 /* Macros to make error reporting functions' lives easier. */
2008 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
2009 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
2010 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
2011 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
2013 /* Any kind of anonymous type. */
2014 #define TYPE_ANON_P(NODE) \
2015 (TYPE_LINKAGE_IDENTIFIER (NODE) \
2016 && IDENTIFIER_ANON_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2018 /* Nonzero if NODE, a TYPE, has no name for linkage purposes. */
2019 #define TYPE_UNNAMED_P(NODE) \
2020 (TYPE_ANON_P (NODE) \
2021 && !IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
2023 /* The _DECL for this _TYPE. */
2024 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
2026 /* Nonzero if T is a type that could resolve to any kind of concrete type
2027 at instantiation time. */
2028 #define WILDCARD_TYPE_P(T) \
2029 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
2030 || TREE_CODE (T) == TYPENAME_TYPE \
2031 || TREE_CODE (T) == TYPEOF_TYPE \
2032 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
2033 || TREE_CODE (T) == DECLTYPE_TYPE)
2035 /* Nonzero if T is a class (or struct or union) type. Also nonzero
2036 for template type parameters, typename types, and instantiated
2037 template template parameters. Keep these checks in ascending code
2039 #define MAYBE_CLASS_TYPE_P(T) (WILDCARD_TYPE_P (T) || CLASS_TYPE_P (T))
2041 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
2043 #define SET_CLASS_TYPE_P(T, VAL) \
2044 (TYPE_LANG_FLAG_5 (RECORD_OR_UNION_CHECK (T)) = (VAL))
2046 /* Nonzero if T is a class type. Zero for template type parameters,
2047 typename types, and so forth. */
2048 #define CLASS_TYPE_P(T) \
2049 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
2051 /* Nonzero if T is a class type but not an union. */
2052 #define NON_UNION_CLASS_TYPE_P(T) \
2053 (TREE_CODE (T) == RECORD_TYPE && TYPE_LANG_FLAG_5 (T))
2055 /* Keep these checks in ascending code order. */
2056 #define RECORD_OR_UNION_CODE_P(T) \
2057 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
2058 #define OVERLOAD_TYPE_P(T) \
2059 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
2061 /* True if this type is dependent. This predicate is only valid if
2062 TYPE_DEPENDENT_P_VALID is true. */
2063 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
2065 /* True if dependent_type_p has been called for this type, with the
2066 result that TYPE_DEPENDENT_P is valid. */
2067 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
2069 /* Nonzero if this type is const-qualified. */
2070 #define CP_TYPE_CONST_P(NODE) \
2071 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
2073 /* Nonzero if this type is volatile-qualified. */
2074 #define CP_TYPE_VOLATILE_P(NODE) \
2075 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
2077 /* Nonzero if this type is restrict-qualified. */
2078 #define CP_TYPE_RESTRICT_P(NODE) \
2079 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
2081 /* Nonzero if this type is const-qualified, but not
2082 volatile-qualified. Other qualifiers are ignored. This macro is
2083 used to test whether or not it is OK to bind an rvalue to a
2085 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
2086 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
2089 #define FUNCTION_ARG_CHAIN(NODE) \
2090 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2092 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
2093 which refers to a user-written parameter. */
2094 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
2095 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
2097 /* Similarly, but for DECL_ARGUMENTS. */
2098 #define FUNCTION_FIRST_USER_PARM(NODE) \
2099 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
2101 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
2102 ambiguity issues. */
2103 #define DERIVED_FROM_P(PARENT, TYPE) \
2104 (lookup_base ((TYPE), (PARENT), ba_any, NULL, tf_none) != NULL_TREE)
2106 /* Gives the visibility specification for a class type. */
2107 #define CLASSTYPE_VISIBILITY(TYPE) \
2108 DECL_VISIBILITY (TYPE_MAIN_DECL (TYPE))
2109 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
2110 DECL_VISIBILITY_SPECIFIED (TYPE_MAIN_DECL (TYPE))
2112 struct GTY (()) tree_pair_s
{
2116 typedef tree_pair_s
*tree_pair_p
;
2118 /* This structure provides additional information above and beyond
2119 what is provide in the ordinary tree_type. In the past, we used it
2120 for the types of class types, template parameters types, typename
2121 types, and so forth. However, there can be many (tens to hundreds
2122 of thousands) of template parameter types in a compilation, and
2123 there's no need for this additional information in that case.
2124 Therefore, we now use this data structure only for class types.
2126 In the past, it was thought that there would be relatively few
2127 class types. However, in the presence of heavy use of templates,
2128 many (i.e., thousands) of classes can easily be generated.
2129 Therefore, we should endeavor to keep the size of this structure to
2131 struct GTY(()) lang_type
{
2132 unsigned char align
;
2134 unsigned has_type_conversion
: 1;
2135 unsigned has_copy_ctor
: 1;
2136 unsigned has_default_ctor
: 1;
2137 unsigned const_needs_init
: 1;
2138 unsigned ref_needs_init
: 1;
2139 unsigned has_const_copy_assign
: 1;
2140 unsigned use_template
: 2;
2142 unsigned has_mutable
: 1;
2143 unsigned com_interface
: 1;
2144 unsigned non_pod_class
: 1;
2145 unsigned nearly_empty_p
: 1;
2146 unsigned user_align
: 1;
2147 unsigned has_copy_assign
: 1;
2148 unsigned has_new
: 1;
2149 unsigned has_array_new
: 1;
2151 unsigned gets_delete
: 2;
2152 unsigned interface_only
: 1;
2153 unsigned interface_unknown
: 1;
2154 unsigned contains_empty_class_p
: 1;
2155 unsigned anon_aggr
: 1;
2156 unsigned non_zero_init
: 1;
2157 unsigned empty_p
: 1;
2158 /* 32 bits allocated. */
2160 unsigned vec_new_uses_cookie
: 1;
2161 unsigned declared_class
: 1;
2162 unsigned diamond_shaped
: 1;
2163 unsigned repeated_base
: 1;
2164 unsigned being_defined
: 1;
2165 unsigned debug_requested
: 1;
2166 unsigned fields_readonly
: 1;
2167 unsigned ptrmemfunc_flag
: 1;
2169 unsigned lazy_default_ctor
: 1;
2170 unsigned lazy_copy_ctor
: 1;
2171 unsigned lazy_copy_assign
: 1;
2172 unsigned lazy_destructor
: 1;
2173 unsigned has_const_copy_ctor
: 1;
2174 unsigned has_complex_copy_ctor
: 1;
2175 unsigned has_complex_copy_assign
: 1;
2176 unsigned non_aggregate
: 1;
2178 unsigned has_complex_dflt
: 1;
2179 unsigned has_list_ctor
: 1;
2180 unsigned non_std_layout
: 1;
2181 unsigned is_literal
: 1;
2182 unsigned lazy_move_ctor
: 1;
2183 unsigned lazy_move_assign
: 1;
2184 unsigned has_complex_move_ctor
: 1;
2185 unsigned has_complex_move_assign
: 1;
2187 unsigned has_constexpr_ctor
: 1;
2188 unsigned unique_obj_representations
: 1;
2189 unsigned unique_obj_representations_set
: 1;
2191 /* When adding a flag here, consider whether or not it ought to
2192 apply to a template instance if it applies to the template. If
2193 so, make sure to copy it in instantiate_class_template! */
2195 /* There are some bits left to fill out a 32-bit word. Keep track
2196 of this by updating the size of this bitfield whenever you add or
2201 vec
<tree_pair_s
, va_gc
> *vcall_indices
;
2204 vec
<tree
, va_gc
> *vbases
;
2205 binding_table nested_udts
;
2207 vec
<tree
, va_gc
> *pure_virtuals
;
2208 tree friend_classes
;
2209 vec
<tree
, va_gc
> * GTY((reorder ("resort_type_member_vec"))) members
;
2212 tree befriending_classes
;
2213 /* In a RECORD_TYPE, information specific to Objective-C++, such
2214 as a list of adopted protocols or a pointer to a corresponding
2215 @interface. See objc/objc-act.h for details. */
2217 /* FIXME reuse another field? */
2221 /* We used to have a variant type for lang_type. Keep the name of the
2222 checking accessor for the sole survivor. */
2223 #define LANG_TYPE_CLASS_CHECK(NODE) (TYPE_LANG_SPECIFIC (NODE))
2225 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
2226 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
2227 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
2229 /* Nonzero if `new NODE[x]' should cause the allocation of extra
2230 storage to indicate how many array elements are in use. */
2231 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
2232 (CLASS_TYPE_P (NODE) \
2233 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
2235 /* Nonzero means that this _CLASSTYPE node defines ways of converting
2236 itself to other types. */
2237 #define TYPE_HAS_CONVERSION(NODE) \
2238 (LANG_TYPE_CLASS_CHECK (NODE)->has_type_conversion)
2240 /* Nonzero means that NODE (a class type) has a default constructor --
2241 but that it has not yet been declared. */
2242 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
2243 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
2245 /* Nonzero means that NODE (a class type) has a copy constructor --
2246 but that it has not yet been declared. */
2247 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
2248 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
2250 /* Nonzero means that NODE (a class type) has a move constructor --
2251 but that it has not yet been declared. */
2252 #define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
2253 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
2255 /* Nonzero means that NODE (a class type) has an assignment operator
2256 -- but that it has not yet been declared. */
2257 #define CLASSTYPE_LAZY_COPY_ASSIGN(NODE) \
2258 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_assign)
2260 /* Nonzero means that NODE (a class type) has an assignment operator
2261 -- but that it has not yet been declared. */
2262 #define CLASSTYPE_LAZY_MOVE_ASSIGN(NODE) \
2263 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_assign)
2265 /* Nonzero means that NODE (a class type) has a destructor -- but that
2266 it has not yet been declared. */
2267 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
2268 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
2270 /* Nonzero means that NODE (a class type) is final */
2271 #define CLASSTYPE_FINAL(NODE) \
2275 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
2276 #define TYPE_HAS_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_assign)
2278 /* True iff the class type NODE has an "operator =" whose parameter
2279 has a parameter of type "const X&". */
2280 #define TYPE_HAS_CONST_COPY_ASSIGN(NODE) \
2281 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_assign)
2283 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
2284 #define TYPE_HAS_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_ctor)
2285 #define TYPE_HAS_CONST_COPY_CTOR(NODE) \
2286 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_ctor)
2288 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
2289 #define TYPE_HAS_LIST_CTOR(NODE) \
2290 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
2292 /* Nonzero if this class has a constexpr constructor other than a copy/move
2293 constructor. Note that a class can have constexpr constructors for
2294 static initialization even if it isn't a literal class. */
2295 #define TYPE_HAS_CONSTEXPR_CTOR(NODE) \
2296 (LANG_TYPE_CLASS_CHECK (NODE)->has_constexpr_ctor)
2298 /* Nonzero if this class defines an overloaded operator new. (An
2299 operator new [] doesn't count.) */
2300 #define TYPE_HAS_NEW_OPERATOR(NODE) \
2301 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
2303 /* Nonzero if this class defines an overloaded operator new[]. */
2304 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
2305 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
2307 /* Nonzero means that this type is being defined. I.e., the left brace
2308 starting the definition of this type has been seen. */
2309 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
2311 /* Nonzero means that this type is either complete or being defined, so we
2312 can do lookup in it. */
2313 #define COMPLETE_OR_OPEN_TYPE_P(NODE) \
2314 (COMPLETE_TYPE_P (NODE) || (CLASS_TYPE_P (NODE) && TYPE_BEING_DEFINED (NODE)))
2316 /* Mark bits for repeated base checks. */
2317 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
2319 /* Nonzero if the class NODE has multiple paths to the same (virtual)
2321 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
2322 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
2324 /* Nonzero if the class NODE has multiple instances of the same base
2326 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
2327 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
2329 /* The member function with which the vtable will be emitted:
2330 the first noninline non-pure-virtual member function. NULL_TREE
2331 if there is no key function or if this is a class template */
2332 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
2334 /* Vector of members. During definition, it is unordered and only
2335 member functions are present. After completion it is sorted and
2336 contains both member functions and non-functions. STAT_HACK is
2337 involved to preserve oneslot per name invariant. */
2338 #define CLASSTYPE_MEMBER_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->members)
2340 /* For class templates, this is a TREE_LIST of all member data,
2341 functions, types, and friends in the order of declaration.
2342 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
2343 and the RECORD_TYPE for the class template otherwise. */
2344 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
2346 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
2347 are the constructors that take an in-charge parameter. */
2348 #define CLASSTYPE_CONSTRUCTORS(NODE) \
2349 (get_class_binding_direct (NODE, ctor_identifier))
2351 /* A FUNCTION_DECL for the destructor for NODE. This is the
2352 destructors that take an in-charge parameter. If
2353 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
2354 until the destructor is created with lazily_declare_fn. */
2355 #define CLASSTYPE_DESTRUCTOR(NODE) \
2356 (get_class_binding_direct (NODE, dtor_identifier))
2358 /* A dictionary of the nested user-defined-types (class-types, or enums)
2359 found within this class. This table includes nested member class
2361 #define CLASSTYPE_NESTED_UTDS(NODE) \
2362 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
2364 /* Nonzero if NODE has a primary base class, i.e., a base class with
2365 which it shares the virtual function table pointer. */
2366 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
2367 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
2369 /* If non-NULL, this is the binfo for the primary base class, i.e.,
2370 the base class which contains the virtual function table pointer
2372 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
2373 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
2375 /* A vector of BINFOs for the direct and indirect virtual base classes
2376 that this type uses in a post-order depth-first left-to-right
2377 order. (In other words, these bases appear in the order that they
2378 should be initialized.) */
2379 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
2381 /* The type corresponding to NODE when NODE is used as a base class,
2382 i.e., NODE without virtual base classes or tail padding. */
2383 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
2385 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
2386 #define IS_FAKE_BASE_TYPE(NODE) \
2387 (TREE_CODE (NODE) == RECORD_TYPE \
2388 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
2389 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
2391 /* These are the size and alignment of the type without its virtual
2392 base classes, for when we use this type as a base itself. */
2393 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
2394 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
2395 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
2396 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
2398 /* The alignment of NODE, without its virtual bases, in bytes. */
2399 #define CLASSTYPE_ALIGN_UNIT(NODE) \
2400 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
2402 /* A vec<tree> of virtual functions which cannot be inherited by
2403 derived classes. When deriving from this type, the derived
2404 class must provide its own definition for each of these functions. */
2405 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
2406 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
2408 /* Nonzero means that this type is an abstract class type. */
2409 #define ABSTRACT_CLASS_TYPE_P(NODE) \
2410 (CLASS_TYPE_P (NODE) && CLASSTYPE_PURE_VIRTUALS(NODE))
2412 /* Nonzero means that this type has an X() constructor. */
2413 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
2414 (LANG_TYPE_CLASS_CHECK (NODE)->has_default_ctor)
2416 /* Nonzero means that this type contains a mutable member. */
2417 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
2418 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
2420 /* Nonzero means that this class type is not POD for the purpose of layout
2421 (as defined in the ABI). This is different from the language's POD. */
2422 #define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \
2423 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
2425 /* Nonzero means that this class type is a non-standard-layout class. */
2426 #define CLASSTYPE_NON_STD_LAYOUT(NODE) \
2427 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout)
2429 /* Nonzero means that this class type does have unique object
2431 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS(NODE) \
2432 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations)
2434 /* Nonzero means that this class type has
2435 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS computed. */
2436 #define CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET(NODE) \
2437 (LANG_TYPE_CLASS_CHECK (NODE)->unique_obj_representations_set)
2439 /* Nonzero means that this class contains pod types whose default
2440 initialization is not a zero initialization (namely, pointers to
2442 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
2443 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
2445 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
2446 #define CLASSTYPE_EMPTY_P(NODE) \
2447 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
2449 /* Nonzero if this class is "nearly empty", i.e., contains only a
2450 virtual function table pointer. */
2451 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
2452 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
2454 /* Nonzero if this class contains an empty subobject. */
2455 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
2456 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
2458 /* A list of class types of which this type is a friend. The
2459 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
2460 case of a template friend. */
2461 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
2462 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
2464 /* A list of the classes which grant friendship to this class. */
2465 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
2466 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
2468 /* The associated LAMBDA_EXPR that made this class. */
2469 #define CLASSTYPE_LAMBDA_EXPR(NODE) \
2470 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
2471 /* The extra mangling scope for this closure type. */
2472 #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
2473 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
2475 /* Say whether this node was declared as a "class" or a "struct". */
2476 #define CLASSTYPE_DECLARED_CLASS(NODE) \
2477 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
2479 /* Nonzero if this class has const members
2480 which have no specified initialization. */
2481 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
2482 (TYPE_LANG_SPECIFIC (NODE) \
2483 ? LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init : 0)
2484 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
2485 (LANG_TYPE_CLASS_CHECK (NODE)->const_needs_init = (VALUE))
2487 /* Nonzero if this class has ref members
2488 which have no specified initialization. */
2489 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
2490 (TYPE_LANG_SPECIFIC (NODE) \
2491 ? LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init : 0)
2492 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
2493 (LANG_TYPE_CLASS_CHECK (NODE)->ref_needs_init = (VALUE))
2495 /* Nonzero if this class is included from a header file which employs
2496 `#pragma interface', and it is not included in its implementation file. */
2497 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
2498 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
2500 /* True if we have already determined whether or not vtables, VTTs,
2501 typeinfo, and other similar per-class data should be emitted in
2502 this translation unit. This flag does not indicate whether or not
2503 these items should be emitted; it only indicates that we know one
2504 way or the other. */
2505 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
2506 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
2507 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
2508 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2509 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
2511 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
2512 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
2513 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
2514 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
2515 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
2516 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
2518 /* Nonzero if a _DECL node requires us to output debug info for this class. */
2519 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
2520 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
2522 /* Additional macros for inheritance information. */
2524 /* Nonzero means that this class is on a path leading to a new vtable. */
2525 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
2527 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
2528 have this flag set. */
2529 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
2531 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
2532 this is functionally equivalent to using same_type_p, but
2533 measurably faster. At least one of the arguments must be a
2534 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
2535 BINFO_TYPE(T) ever stops being the main variant of the class the
2536 binfo is for, this macro must change. */
2537 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
2539 /* Any subobject that needs a new vtable must have a vptr and must not
2540 be a non-virtual primary base (since it would then use the vtable from a
2541 derived class and never become non-primary.) */
2542 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
2543 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
2544 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
2545 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
2547 /* Nonzero if this binfo is for a dependent base - one that should not
2549 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
2551 /* Nonzero if this binfo has lost its primary base binfo (because that
2552 is a nearly-empty virtual base that has been taken by some other
2553 base in the complete hierarchy. */
2554 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
2556 /* Nonzero if this BINFO is a primary base class. */
2557 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
2559 /* A vec<tree_pair_s> of the vcall indices associated with the class
2560 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
2561 function. The VALUE is the index into the virtual table where the
2562 vcall offset for that function is stored, when NODE is a virtual
2564 #define CLASSTYPE_VCALL_INDICES(NODE) \
2565 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
2567 /* The various vtables for the class NODE. The primary vtable will be
2568 first, followed by the construction vtables and VTT, if any. */
2569 #define CLASSTYPE_VTABLES(NODE) \
2570 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
2572 /* The std::type_info variable representing this class, or NULL if no
2573 such variable has been created. This field is only set for the
2574 TYPE_MAIN_VARIANT of the class. */
2575 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
2576 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
2578 /* Accessor macros for the BINFO_VIRTUALS list. */
2580 /* The number of bytes by which to adjust the `this' pointer when
2581 calling this virtual function. Subtract this value from the this
2582 pointer. Always non-NULL, might be constant zero though. */
2583 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
2585 /* If non-NULL, the vtable index at which to find the vcall offset
2586 when calling this virtual function. Add the value at that vtable
2587 index to the this pointer. */
2588 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
2590 /* The function to call. */
2591 #define BV_FN(NODE) (TREE_VALUE (NODE))
2593 /* Whether or not this entry is for a lost primary virtual base. */
2594 #define BV_LOST_PRIMARY(NODE) (TREE_LANG_FLAG_0 (NODE))
2596 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
2597 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
2598 will be NULL_TREE to indicate a throw specification of `()', or
2599 no exceptions allowed. For a noexcept specification, TREE_VALUE
2600 is NULL_TREE and TREE_PURPOSE is the constant-expression. For
2601 a deferred noexcept-specification, TREE_PURPOSE is a DEFERRED_NOEXCEPT
2602 (for templates) or an OVERLOAD list of functions (for implicitly
2603 declared functions). */
2604 #define TYPE_RAISES_EXCEPTIONS(NODE) \
2605 TYPE_LANG_SLOT_1 (FUNC_OR_METHOD_CHECK (NODE))
2607 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'
2608 or noexcept(true). */
2609 #define TYPE_NOTHROW_P(NODE) nothrow_spec_p (TYPE_RAISES_EXCEPTIONS (NODE))
2611 /* For FUNCTION_TYPE or METHOD_TYPE, true if NODE is noexcept. This is the
2612 case for things declared noexcept(true) and, with -fnothrow-opt, for
2613 throw() functions. */
2614 #define TYPE_NOEXCEPT_P(NODE) type_noexcept_p (NODE)
2616 /* The binding level associated with the namespace. */
2617 #define NAMESPACE_LEVEL(NODE) \
2618 (LANG_DECL_NS_CHECK (NODE)->level)
2620 /* Discriminator values for lang_decl. */
2622 enum lang_decl_selector
2631 /* Flags shared by all forms of DECL_LANG_SPECIFIC.
2633 Some of the flags live here only to make lang_decl_min/fn smaller. Do
2634 not make this struct larger than 32 bits; instead, make sel smaller. */
2636 struct GTY(()) lang_decl_base
{
2637 /* Larger than necessary for faster access. */
2638 ENUM_BITFIELD(lang_decl_selector
) selector
: 16;
2639 ENUM_BITFIELD(languages
) language
: 1;
2640 unsigned use_template
: 2;
2641 unsigned not_really_extern
: 1; /* var or fn */
2642 unsigned initialized_in_class
: 1; /* var or fn */
2643 unsigned threadprivate_or_deleted_p
: 1; /* var or fn */
2644 unsigned anticipated_p
: 1; /* fn, type or template */
2645 /* anticipated_p reused as DECL_OMP_PRIVATIZED_MEMBER in var */
2646 unsigned friend_or_tls
: 1; /* var, fn, type or template */
2647 unsigned unknown_bound_p
: 1; /* var */
2648 unsigned odr_used
: 1; /* var or fn */
2650 unsigned concept_p
: 1; /* applies to vars and functions */
2651 unsigned var_declared_inline_p
: 1; /* var */
2652 unsigned dependent_init_p
: 1; /* var */
2656 /* True for DECL codes which have template info and access. */
2657 #define LANG_DECL_HAS_MIN(NODE) \
2658 (VAR_OR_FUNCTION_DECL_P (NODE) \
2659 || TREE_CODE (NODE) == FIELD_DECL \
2660 || TREE_CODE (NODE) == CONST_DECL \
2661 || TREE_CODE (NODE) == TYPE_DECL \
2662 || TREE_CODE (NODE) == TEMPLATE_DECL \
2663 || TREE_CODE (NODE) == USING_DECL \
2664 || TREE_CODE (NODE) == CONCEPT_DECL)
2666 /* DECL_LANG_SPECIFIC for the above codes. */
2668 struct GTY(()) lang_decl_min
{
2669 struct lang_decl_base base
;
2671 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
2673 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
2674 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
2675 DECL_TEMPLATE_INFO. */
2678 /* In a DECL_THUNK_P FUNCTION_DECL, this is THUNK_VIRTUAL_OFFSET.
2679 In a lambda-capture proxy VAR_DECL, this is DECL_CAPTURED_VARIABLE.
2680 In a function-scope TREE_STATIC VAR_DECL or IMPLICIT_TYPEDEF_P TYPE_DECL,
2681 this is DECL_DISCRIMINATOR.
2682 Otherwise, in a class-scope DECL, this is DECL_ACCESS. */
2686 /* Additional DECL_LANG_SPECIFIC information for functions. */
2688 struct GTY(()) lang_decl_fn
{
2689 struct lang_decl_min min
;
2691 /* In a overloaded operator, this is the compressed operator code. */
2692 unsigned ovl_op_code
: 6;
2693 unsigned global_ctor_p
: 1;
2694 unsigned global_dtor_p
: 1;
2696 unsigned static_function
: 1;
2697 unsigned pure_virtual
: 1;
2698 unsigned defaulted_p
: 1;
2699 unsigned has_in_charge_parm_p
: 1;
2700 unsigned has_vtt_parm_p
: 1;
2701 unsigned pending_inline_p
: 1;
2702 unsigned nonconverting
: 1;
2703 unsigned thunk_p
: 1;
2705 unsigned this_thunk_p
: 1;
2706 unsigned hidden_friend_p
: 1;
2707 unsigned omp_declare_reduction_p
: 1;
2708 unsigned has_dependent_explicit_spec_p
: 1;
2709 unsigned immediate_fn_p
: 1;
2710 unsigned maybe_deleted
: 1;
2711 unsigned spare
: 10;
2713 /* 32-bits padding on 64-bit host. */
2715 /* For a non-thunk function decl, this is a tree list of
2716 friendly classes. For a thunk function decl, it is the
2717 thunked to function decl. */
2718 tree befriending_classes
;
2720 /* For a non-virtual FUNCTION_DECL, this is
2721 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
2722 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
2723 this pointer and result pointer adjusting thunks are
2724 chained here. This pointer thunks to return pointer thunks
2725 will be chained on the return pointer thunk. */
2730 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is
2731 DECL_CLONED_FUNCTION. */
2732 tree
GTY ((tag ("0"))) cloned_function
;
2734 /* In a FUNCTION_DECL for which THUNK_P holds this is the
2735 THUNK_FIXED_OFFSET. */
2736 HOST_WIDE_INT
GTY ((tag ("1"))) fixed_offset
;
2737 } GTY ((desc ("%1.thunk_p"))) u5
;
2741 struct cp_token_cache
* GTY ((tag ("1"))) pending_inline_info
;
2742 tree
GTY ((tag ("0"))) saved_auto_return_type
;
2743 } GTY ((desc ("%1.pending_inline_p"))) u
;
2747 /* DECL_LANG_SPECIFIC for namespaces. */
2749 struct GTY(()) lang_decl_ns
{
2750 struct lang_decl_base base
;
2751 cp_binding_level
*level
;
2753 /* Inline children. These need to be va_gc, because of PCH. */
2754 vec
<tree
, va_gc
> *inlinees
;
2756 /* Hash table of bound decls. It'd be nice to have this inline, but
2757 as the hash_map has a dtor, we can't then put this struct into a
2758 union (until moving to c++11). */
2759 hash_table
<named_decl_hash
> *bindings
;
2762 /* DECL_LANG_SPECIFIC for parameters. */
2764 struct GTY(()) lang_decl_parm
{
2765 struct lang_decl_base base
;
2770 /* Additional DECL_LANG_SPECIFIC information for structured bindings. */
2772 struct GTY(()) lang_decl_decomp
{
2773 struct lang_decl_min min
;
2774 /* The artificial underlying "e" variable of the structured binding
2779 /* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a
2780 union rather than a struct containing a union as its only field, but
2781 tree.h declares it as a struct. */
2783 struct GTY(()) lang_decl
{
2784 union GTY((desc ("%h.base.selector"))) lang_decl_u
{
2785 /* Nothing of only the base type exists. */
2786 struct lang_decl_base
GTY ((default)) base
;
2787 struct lang_decl_min
GTY((tag ("lds_min"))) min
;
2788 struct lang_decl_fn
GTY ((tag ("lds_fn"))) fn
;
2789 struct lang_decl_ns
GTY((tag ("lds_ns"))) ns
;
2790 struct lang_decl_parm
GTY((tag ("lds_parm"))) parm
;
2791 struct lang_decl_decomp
GTY((tag ("lds_decomp"))) decomp
;
2795 /* Looks through a template (if present) to find what it declares. */
2796 #define STRIP_TEMPLATE(NODE) \
2797 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE)
2799 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
2801 #define LANG_DECL_MIN_CHECK(NODE) __extension__ \
2802 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2803 if (!LANG_DECL_HAS_MIN (NODE)) \
2804 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2807 /* We want to be able to check DECL_CONSTRUCTOR_P and such on a function
2808 template, not just on a FUNCTION_DECL. So when looking for things in
2809 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */
2810 #define LANG_DECL_FN_CHECK(NODE) __extension__ \
2811 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \
2812 if (!DECL_DECLARES_FUNCTION_P (NODE) \
2813 || lt->u.base.selector != lds_fn) \
2814 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2817 #define LANG_DECL_NS_CHECK(NODE) __extension__ \
2818 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2819 if (TREE_CODE (NODE) != NAMESPACE_DECL \
2820 || lt->u.base.selector != lds_ns) \
2821 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2824 #define LANG_DECL_PARM_CHECK(NODE) __extension__ \
2825 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2826 if (TREE_CODE (NODE) != PARM_DECL \
2827 || lt->u.base.selector != lds_parm) \
2828 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2831 #define LANG_DECL_DECOMP_CHECK(NODE) __extension__ \
2832 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2834 || lt->u.base.selector != lds_decomp) \
2835 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2840 #define LANG_DECL_MIN_CHECK(NODE) \
2841 (&DECL_LANG_SPECIFIC (NODE)->u.min)
2843 #define LANG_DECL_FN_CHECK(NODE) \
2844 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn)
2846 #define LANG_DECL_NS_CHECK(NODE) \
2847 (&DECL_LANG_SPECIFIC (NODE)->u.ns)
2849 #define LANG_DECL_PARM_CHECK(NODE) \
2850 (&DECL_LANG_SPECIFIC (NODE)->u.parm)
2852 #define LANG_DECL_DECOMP_CHECK(NODE) \
2853 (&DECL_LANG_SPECIFIC (NODE)->u.decomp)
2855 #endif /* ENABLE_TREE_CHECKING */
2857 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
2858 declaration. Some entities (like a member function in a local
2859 class, or a local variable) do not have linkage at all, and this
2860 macro should not be used in those cases.
2862 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
2863 created by language-independent code, and has C linkage. Most
2864 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
2865 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
2866 #define DECL_LANGUAGE(NODE) \
2867 (DECL_LANG_SPECIFIC (NODE) \
2868 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \
2869 : (TREE_CODE (NODE) == FUNCTION_DECL \
2870 ? lang_c : lang_cplusplus))
2872 /* Set the language linkage for NODE to LANGUAGE. */
2873 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
2874 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE))
2876 /* For FUNCTION_DECLs and TEMPLATE_DECLs: nonzero means that this function
2877 is a constructor. */
2878 #define DECL_CONSTRUCTOR_P(NODE) \
2879 DECL_CXX_CONSTRUCTOR_P (STRIP_TEMPLATE (NODE))
2881 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
2883 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
2884 (DECL_NAME (NODE) == complete_ctor_identifier)
2886 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
2888 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
2889 (DECL_NAME (NODE) == base_ctor_identifier)
2891 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
2892 specialized in-charge constructor or the specialized not-in-charge
2894 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
2895 (DECL_NAME (NODE) == ctor_identifier)
2897 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
2898 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
2899 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
2901 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
2902 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
2903 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
2905 /* Nonzero if NODE (a FUNCTION_DECL or TEMPLATE_DECL)
2907 #define DECL_DESTRUCTOR_P(NODE) \
2908 DECL_CXX_DESTRUCTOR_P (STRIP_TEMPLATE (NODE))
2910 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
2911 specialized in-charge constructor, in-charge deleting constructor,
2912 or the base destructor. */
2913 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
2914 (DECL_NAME (NODE) == dtor_identifier)
2916 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2918 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
2919 (DECL_NAME (NODE) == complete_dtor_identifier)
2921 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
2923 #define DECL_BASE_DESTRUCTOR_P(NODE) \
2924 (DECL_NAME (NODE) == base_dtor_identifier)
2926 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2927 object that deletes the object after it has been destroyed. */
2928 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
2929 (DECL_NAME (NODE) == deleting_dtor_identifier)
2931 /* Nonzero if either DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P or
2932 DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P is true of NODE. */
2933 #define DECL_MAYBE_IN_CHARGE_CDTOR_P(NODE) \
2934 (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (NODE) \
2935 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (NODE))
2937 /* Nonzero if NODE (a _DECL) is a cloned constructor or
2939 #define DECL_CLONED_FUNCTION_P(NODE) \
2941 && IDENTIFIER_CDTOR_P (DECL_NAME (NODE)) \
2942 && !DECL_MAYBE_IN_CHARGE_CDTOR_P (NODE))
2944 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
2946 #define DECL_CLONED_FUNCTION(NODE) \
2947 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE))->u.fn.u5.cloned_function)
2949 /* Perform an action for each clone of FN, if FN is a function with
2950 clones. This macro should be used like:
2952 FOR_EACH_CLONE (clone, fn)
2956 #define FOR_EACH_CLONE(CLONE, FN) \
2957 if (!(TREE_CODE (FN) == FUNCTION_DECL \
2958 && DECL_MAYBE_IN_CHARGE_CDTOR_P (FN))) \
2961 for (CLONE = DECL_CHAIN (FN); \
2962 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
2963 CLONE = DECL_CHAIN (CLONE))
2965 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
2966 #define DECL_DISCRIMINATOR_P(NODE) \
2967 (((TREE_CODE (NODE) == VAR_DECL && TREE_STATIC (NODE)) \
2968 || DECL_IMPLICIT_TYPEDEF_P (NODE)) \
2969 && DECL_FUNCTION_SCOPE_P (NODE))
2971 /* Discriminator for name mangling. */
2972 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
2974 /* The index of a user-declared parameter in its function, starting at 1.
2975 All artificial parameters will have index 0. */
2976 #define DECL_PARM_INDEX(NODE) \
2977 (LANG_DECL_PARM_CHECK (NODE)->index)
2979 /* The level of a user-declared parameter in its function, starting at 1.
2980 A parameter of the function will have level 1; a parameter of the first
2981 nested function declarator (i.e. t in void f (void (*p)(T t))) will have
2983 #define DECL_PARM_LEVEL(NODE) \
2984 (LANG_DECL_PARM_CHECK (NODE)->level)
2986 /* Nonzero if the VTT parm has been added to NODE. */
2987 #define DECL_HAS_VTT_PARM_P(NODE) \
2988 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p)
2990 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
2992 #define DECL_NEEDS_VTT_PARM_P(NODE) \
2993 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \
2994 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
2995 || DECL_BASE_DESTRUCTOR_P (NODE)))
2997 /* Nonzero if NODE is a user-defined conversion operator. */
2998 #define DECL_CONV_FN_P(NODE) IDENTIFIER_CONV_OP_P (DECL_NAME (NODE))
3000 /* The type to which conversion operator FN converts to. */
3001 #define DECL_CONV_FN_TYPE(FN) \
3002 TREE_TYPE ((gcc_checking_assert (DECL_CONV_FN_P (FN)), DECL_NAME (FN)))
3004 /* Nonzero if NODE, a static data member, was declared in its class as an
3005 array of unknown bound. */
3006 #define VAR_HAD_UNKNOWN_BOUND(NODE) \
3007 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3008 ? DECL_LANG_SPECIFIC (NODE)->u.base.unknown_bound_p \
3010 #define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
3011 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.unknown_bound_p = true)
3013 /* True iff decl NODE is for an overloaded operator. */
3014 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
3015 IDENTIFIER_ANY_OP_P (DECL_NAME (NODE))
3017 /* Nonzero if NODE is an assignment operator (including += and such). */
3018 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
3019 IDENTIFIER_ASSIGN_OP_P (DECL_NAME (NODE))
3021 /* NODE is a function_decl for an overloaded operator. Return its
3022 compressed (raw) operator code. Note that this is not a TREE_CODE. */
3023 #define DECL_OVERLOADED_OPERATOR_CODE_RAW(NODE) \
3024 (LANG_DECL_FN_CHECK (NODE)->ovl_op_code)
3026 /* DECL is an overloaded operator. Test whether it is for TREE_CODE
3027 (a literal constant). */
3028 #define DECL_OVERLOADED_OPERATOR_IS(DECL, CODE) \
3029 (DECL_OVERLOADED_OPERATOR_CODE_RAW (DECL) == OVL_OP_##CODE)
3031 /* For FUNCTION_DECLs: nonzero means that this function is a
3032 constructor or a destructor with an extra in-charge parameter to
3033 control whether or not virtual bases are constructed. */
3034 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
3035 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p)
3037 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
3038 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
3039 (TREE_CODE (NODE) == FUNCTION_DECL \
3040 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
3041 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
3043 /* Nonzero for _DECL means that this decl appears in (or will appear
3044 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
3045 detecting circularity in case members are multiply defined. In the
3046 case of a VAR_DECL, it means that no definition has been seen, even
3047 if an initializer has been. */
3048 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
3050 /* Nonzero for a VAR_DECL means that the variable's initialization (if
3051 any) has been processed. (In general, DECL_INITIALIZED_P is
3052 !DECL_EXTERNAL, but static data members may be initialized even if
3054 #define DECL_INITIALIZED_P(NODE) \
3055 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
3057 /* Nonzero for a VAR_DECL iff an explicit initializer was provided
3058 or a non-trivial constructor is called. */
3059 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
3060 (TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE)))
3062 /* Nonzero for a VAR_DECL that was initialized with a
3063 constant-expression. */
3064 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
3065 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
3067 /* Nonzero if the DECL was initialized in the class definition itself,
3068 rather than outside the class. This is used for both static member
3069 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
3070 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
3071 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3072 ->u.base.initialized_in_class)
3074 /* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr].
3075 Only available for decls with DECL_LANG_SPECIFIC. */
3076 #define DECL_ODR_USED(DECL) \
3077 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
3080 /* Nonzero for DECL means that this decl is just a friend declaration,
3081 and should not be added to the list of members for this class. */
3082 #define DECL_FRIEND_P(NODE) \
3083 (DECL_LANG_SPECIFIC (TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK (NODE)) \
3084 ->u.base.friend_or_tls)
3086 /* Nonzero if the thread-local variable was declared with __thread as
3087 opposed to thread_local. */
3088 #define DECL_GNU_TLS_P(NODE) \
3089 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
3090 && DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls)
3091 #define SET_DECL_GNU_TLS_P(NODE) \
3092 (retrofit_lang_decl (VAR_DECL_CHECK (NODE)), \
3093 DECL_LANG_SPECIFIC (NODE)->u.base.friend_or_tls = true)
3095 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
3096 #define DECL_BEFRIENDING_CLASSES(NODE) \
3097 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
3099 /* Nonzero for FUNCTION_DECL means that this decl is a static
3101 #define DECL_STATIC_FUNCTION_P(NODE) \
3102 (LANG_DECL_FN_CHECK (NODE)->static_function)
3104 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
3106 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
3107 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
3109 /* Nonzero for FUNCTION_DECL means that this decl is a member function
3110 (static or non-static). */
3111 #define DECL_FUNCTION_MEMBER_P(NODE) \
3112 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
3114 /* Nonzero for FUNCTION_DECL means that this member function
3115 has `this' as const X *const. */
3116 #define DECL_CONST_MEMFUNC_P(NODE) \
3117 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3118 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
3119 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3121 /* Nonzero for FUNCTION_DECL means that this member function
3122 has `this' as volatile X *const. */
3123 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
3124 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3125 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
3126 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
3128 /* Nonzero for a DECL means that this member is a non-static member. */
3129 #define DECL_NONSTATIC_MEMBER_P(NODE) \
3130 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
3131 || TREE_CODE (NODE) == FIELD_DECL)
3133 /* Nonzero for a FIELD_DECL means that this member object type
3135 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (FIELD_DECL_CHECK (NODE)))
3137 /* Nonzero for _DECL means that this constructor or conversion function is
3139 #define DECL_NONCONVERTING_P(NODE) \
3140 (LANG_DECL_FN_CHECK (NODE)->nonconverting)
3142 /* Nonzero for FUNCTION_DECL means that this member function is a pure
3143 virtual function. */
3144 #define DECL_PURE_VIRTUAL_P(NODE) \
3145 (LANG_DECL_FN_CHECK (NODE)->pure_virtual)
3147 /* Nonzero for FUNCTION_DECL means that this member function (either
3148 a constructor or a conversion function) has an explicit specifier
3149 with a value-dependent expression. */
3150 #define DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P(NODE) \
3151 (LANG_DECL_FN_CHECK (NODE)->has_dependent_explicit_spec_p)
3153 /* Nonzero for a defaulted FUNCTION_DECL for which we haven't decided yet if
3155 #define DECL_MAYBE_DELETED(NODE) \
3156 (LANG_DECL_FN_CHECK (NODE)->maybe_deleted)
3158 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
3159 invalid overrider for a function from a base class. Once we have
3160 complained about an invalid overrider we avoid complaining about it
3162 #define DECL_INVALID_OVERRIDER_P(NODE) \
3163 (DECL_LANG_FLAG_4 (NODE))
3165 /* True (in a FUNCTION_DECL) if NODE is a function declared with
3166 an override virt-specifier */
3167 #define DECL_OVERRIDE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
3169 /* The thunks associated with NODE, a FUNCTION_DECL. */
3170 #define DECL_THUNKS(NODE) \
3171 (DECL_VIRTUAL_P (NODE) ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3173 /* Set DECL_THUNKS. */
3174 #define SET_DECL_THUNKS(NODE,THUNKS) \
3175 (LANG_DECL_FN_CHECK (NODE)->context = (THUNKS))
3177 /* If NODE, a FUNCTION_DECL, is a C++11 inheriting constructor, then this
3178 is the constructor it inherits from. */
3179 #define DECL_INHERITED_CTOR(NODE) \
3180 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \
3181 ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
3183 /* And this is the base that constructor comes from. */
3184 #define DECL_INHERITED_CTOR_BASE(NODE) \
3185 (DECL_INHERITED_CTOR (NODE) \
3186 ? DECL_CONTEXT (flag_new_inheriting_ctors \
3187 ? strip_inheriting_ctors (NODE) \
3188 : DECL_INHERITED_CTOR (NODE)) \
3191 /* Set the inherited base. */
3192 #define SET_DECL_INHERITED_CTOR(NODE,INH) \
3193 (LANG_DECL_FN_CHECK (NODE)->context = (INH))
3195 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
3196 #define DECL_THUNK_P(NODE) \
3197 (TREE_CODE (NODE) == FUNCTION_DECL \
3198 && DECL_LANG_SPECIFIC (NODE) \
3199 && LANG_DECL_FN_CHECK (NODE)->thunk_p)
3201 /* Set DECL_THUNK_P for node. */
3202 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
3203 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \
3204 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING))
3206 /* Nonzero if NODE is a this pointer adjusting thunk. */
3207 #define DECL_THIS_THUNK_P(NODE) \
3208 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3210 /* Nonzero if NODE is a result pointer adjusting thunk. */
3211 #define DECL_RESULT_THUNK_P(NODE) \
3212 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
3214 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
3215 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
3216 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
3218 /* Nonzero if NODE is `extern "C"'. */
3219 #define DECL_EXTERN_C_P(NODE) \
3220 (DECL_LANGUAGE (NODE) == lang_c)
3222 /* Nonzero if NODE is an `extern "C"' function. */
3223 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
3224 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
3226 /* True if DECL is declared 'constexpr'. */
3227 #define DECL_DECLARED_CONSTEXPR_P(DECL) \
3228 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (STRIP_TEMPLATE (DECL)))
3230 /* True if FNDECL is an immediate function. */
3231 #define DECL_IMMEDIATE_FUNCTION_P(NODE) \
3232 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (STRIP_TEMPLATE (NODE))) \
3233 ? LANG_DECL_FN_CHECK (NODE)->immediate_fn_p \
3235 #define SET_DECL_IMMEDIATE_FUNCTION_P(NODE) \
3236 (retrofit_lang_decl (FUNCTION_DECL_CHECK (NODE)), \
3237 LANG_DECL_FN_CHECK (NODE)->immediate_fn_p = true)
3239 // True if NODE was declared as 'concept'. The flag implies that the
3240 // declaration is constexpr, that the declaration cannot be specialized or
3241 // refined, and that the result type must be convertible to bool.
3242 #define DECL_DECLARED_CONCEPT_P(NODE) \
3243 (DECL_LANG_SPECIFIC (NODE)->u.base.concept_p)
3245 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
3246 template function. */
3247 #define DECL_PRETTY_FUNCTION_P(NODE) \
3249 && id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__"))
3251 /* For a DECL, true if it is __func__ or similar. */
3252 #define DECL_FNAME_P(NODE) \
3253 (VAR_P (NODE) && DECL_NAME (NODE) && DECL_ARTIFICIAL (NODE) \
3254 && DECL_HAS_VALUE_EXPR_P (NODE) \
3255 && (id_equal (DECL_NAME (NODE), "__PRETTY_FUNCTION__") \
3256 || id_equal (DECL_NAME (NODE), "__FUNCTION__") \
3257 || id_equal (DECL_NAME (NODE), "__func__")))
3259 /* Nonzero if the variable was declared to be thread-local.
3260 We need a special C++ version of this test because the middle-end
3261 DECL_THREAD_LOCAL_P uses the symtab, so we can't use it for
3263 #define CP_DECL_THREAD_LOCAL_P(NODE) \
3264 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
3266 /* The _TYPE context in which this _DECL appears. This field holds the
3267 class where a virtual function instance is actually defined. */
3268 #define DECL_CLASS_CONTEXT(NODE) \
3269 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
3271 /* For a non-member friend function, the class (if any) in which this
3272 friend was defined. For example, given:
3274 struct S { friend void f () { ... } };
3276 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
3277 #define DECL_FRIEND_CONTEXT(NODE) \
3278 ((DECL_DECLARES_FUNCTION_P (NODE) \
3279 && DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
3280 ? LANG_DECL_FN_CHECK (NODE)->context \
3283 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
3284 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
3285 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT))
3287 #define CP_DECL_CONTEXT(NODE) \
3288 (!DECL_FILE_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
3289 #define CP_TYPE_CONTEXT(NODE) \
3290 (!TYPE_FILE_SCOPE_P (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
3291 #define FROB_CONTEXT(NODE) \
3292 ((NODE) == global_namespace ? DECL_CONTEXT (NODE) : (NODE))
3294 /* 1 iff NODE has namespace scope, including the global namespace. */
3295 #define DECL_NAMESPACE_SCOPE_P(NODE) \
3296 (!DECL_TEMPLATE_PARM_P (NODE) \
3297 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
3299 #define TYPE_NAMESPACE_SCOPE_P(NODE) \
3300 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
3302 #define NAMESPACE_SCOPE_P(NODE) \
3303 ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \
3304 || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE)))
3306 /* 1 iff NODE is a class member. */
3307 #define DECL_CLASS_SCOPE_P(NODE) \
3308 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
3310 #define TYPE_CLASS_SCOPE_P(NODE) \
3311 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
3313 /* 1 iff NODE is function-local. */
3314 #define DECL_FUNCTION_SCOPE_P(NODE) \
3315 (DECL_CONTEXT (NODE) \
3316 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
3318 #define TYPE_FUNCTION_SCOPE_P(NODE) \
3319 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
3321 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
3322 both the primary typeinfo object and the associated NTBS name. */
3323 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
3325 /* 1 iff VAR_DECL node NODE is virtual table or VTT. We forward to
3326 DECL_VIRTUAL_P from the common code, as that has the semantics we
3327 need. But we want a more descriptive name. */
3328 #define DECL_VTABLE_OR_VTT_P(NODE) DECL_VIRTUAL_P (VAR_DECL_CHECK (NODE))
3330 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has a ref-qualifier (either & or &&). */
3331 #define FUNCTION_REF_QUALIFIED(NODE) \
3332 TREE_LANG_FLAG_4 (FUNC_OR_METHOD_CHECK (NODE))
3334 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has &&-ref-qualifier. */
3335 #define FUNCTION_RVALUE_QUALIFIED(NODE) \
3336 TREE_LANG_FLAG_5 (FUNC_OR_METHOD_CHECK (NODE))
3338 /* 1 iff NODE is function-local, but for types. */
3339 #define LOCAL_CLASS_P(NODE) \
3340 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
3342 /* The nesting depth of namespace, class or function. Makes is_ancestor much
3343 simpler. Only 8 bits available. */
3344 #define SCOPE_DEPTH(NODE) \
3345 (NAMESPACE_DECL_CHECK (NODE)->base.u.bits.address_space)
3347 /* Whether the namepace is an inline namespace. */
3348 #define DECL_NAMESPACE_INLINE_P(NODE) \
3349 TREE_LANG_FLAG_0 (NAMESPACE_DECL_CHECK (NODE))
3351 /* In a NAMESPACE_DECL, a vector of inline namespaces. */
3352 #define DECL_NAMESPACE_INLINEES(NODE) \
3353 (LANG_DECL_NS_CHECK (NODE)->inlinees)
3355 /* Pointer to hash_map from IDENTIFIERS to DECLS */
3356 #define DECL_NAMESPACE_BINDINGS(NODE) \
3357 (LANG_DECL_NS_CHECK (NODE)->bindings)
3359 /* In a NAMESPACE_DECL, points to the original namespace if this is
3360 a namespace alias. */
3361 #define DECL_NAMESPACE_ALIAS(NODE) \
3362 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
3363 #define ORIGINAL_NAMESPACE(NODE) \
3364 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
3366 /* Nonzero if NODE is the std namespace. */
3367 #define DECL_NAMESPACE_STD_P(NODE) \
3368 ((NODE) == std_node)
3370 /* In a TREE_LIST in an attribute list, indicates that the attribute
3371 must be applied at instantiation time. */
3372 #define ATTR_IS_DEPENDENT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3374 /* In a TREE_LIST in the argument of attribute abi_tag, indicates that the tag
3375 was inherited from a template parameter, not explicitly indicated. */
3376 #define ABI_TAG_IMPLICIT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
3378 /* Non zero if this is a using decl for a dependent scope. */
3379 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
3381 /* The scope named in a using decl. */
3382 #define USING_DECL_SCOPE(NODE) DECL_RESULT_FLD (USING_DECL_CHECK (NODE))
3384 /* The decls named by a using decl. */
3385 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
3387 /* Non zero if the using decl refers to a dependent type. */
3388 #define USING_DECL_TYPENAME_P(NODE) DECL_LANG_FLAG_1 (USING_DECL_CHECK (NODE))
3390 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
3391 the class definition. We have saved away the text of the function,
3392 but have not yet processed it. */
3393 #define DECL_PENDING_INLINE_P(NODE) \
3394 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p)
3396 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
3398 #define DECL_PENDING_INLINE_INFO(NODE) \
3399 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info)
3401 /* Nonzero for TYPE_DECL means that it was written 'using name = type'. */
3402 #define TYPE_DECL_ALIAS_P(NODE) \
3403 DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (NODE))
3405 /* Nonzero for TEMPLATE_DECL means that it is a 'complex' alias template. */
3406 #define TEMPLATE_DECL_COMPLEX_ALIAS_P(NODE) \
3407 DECL_LANG_FLAG_2 (TEMPLATE_DECL_CHECK (NODE))
3409 /* Nonzero for a type which is an alias for another type; i.e, a type
3410 which declaration was written 'using name-of-type =
3412 #define TYPE_ALIAS_P(NODE) \
3414 && TYPE_NAME (NODE) \
3415 && TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
3416 && TYPE_DECL_ALIAS_P (TYPE_NAME (NODE)))
3418 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL, TEMPLATE_DECL,
3419 or CONCEPT_DECL, the entity is either a template specialization (if
3420 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
3423 In either case, DECL_TEMPLATE_INFO is a TEMPLATE_INFO, whose
3424 TI_TEMPLATE is the TEMPLATE_DECL of which this entity is a
3425 specialization or abstract instance. The TI_ARGS is the
3426 template arguments used to specialize the template.
3430 template <typename T> struct S { friend void f(T) {} };
3432 In this case, S<int>::f is, from the point of view of the compiler,
3433 an instantiation of a template -- but, from the point of view of
3434 the language, each instantiation of S results in a wholly unrelated
3435 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
3436 will be non-NULL, but DECL_USE_TEMPLATE will be zero. */
3437 #define DECL_TEMPLATE_INFO(NODE) \
3438 (DECL_LANG_SPECIFIC (TEMPLATE_INFO_DECL_CHECK (NODE)) \
3439 ->u.min.template_info)
3441 /* For a lambda capture proxy, its captured variable. */
3442 #define DECL_CAPTURED_VARIABLE(NODE) \
3443 (LANG_DECL_MIN_CHECK (NODE)->access)
3445 /* For a VAR_DECL, indicates that the variable is actually a
3446 non-static data member of anonymous union that has been promoted to
3448 #define DECL_ANON_UNION_VAR_P(NODE) \
3449 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
3451 /* Template information for a RECORD_TYPE or UNION_TYPE. */
3452 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
3453 (TYPE_LANG_SLOT_1 (RECORD_OR_UNION_CHECK (NODE)))
3455 /* Template information for a template template parameter. */
3456 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
3457 (TYPE_LANG_SLOT_1 (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)))
3459 /* Template information for an ENUMERAL_, RECORD_, UNION_TYPE, or
3460 BOUND_TEMPLATE_TEMPLATE_PARM type. This ignores any alias
3461 templateness of NODE. It'd be nice if this could unconditionally
3462 access the slot, rather than return NULL if given a
3463 non-templatable type. */
3464 #define TYPE_TEMPLATE_INFO(NODE) \
3465 (TREE_CODE (NODE) == ENUMERAL_TYPE \
3466 || TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
3467 || RECORD_OR_UNION_TYPE_P (NODE) \
3468 ? TYPE_LANG_SLOT_1 (NODE) : NULL_TREE)
3470 /* Template information (if any) for an alias type. */
3471 #define TYPE_ALIAS_TEMPLATE_INFO(NODE) \
3472 (DECL_LANG_SPECIFIC (TYPE_NAME (NODE)) \
3473 ? DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) \
3476 /* If NODE is a type alias, this accessor returns the template info
3477 for the alias template (if any). Otherwise behave as
3478 TYPE_TEMPLATE_INFO. */
3479 #define TYPE_TEMPLATE_INFO_MAYBE_ALIAS(NODE) \
3480 (TYPE_ALIAS_P (NODE) \
3481 ? TYPE_ALIAS_TEMPLATE_INFO (NODE) \
3482 : TYPE_TEMPLATE_INFO (NODE))
3484 /* Set the template information for an ENUMERAL_, RECORD_, or
3485 UNION_TYPE to VAL. */
3486 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
3487 (TREE_CODE (NODE) == ENUMERAL_TYPE \
3488 || (CLASS_TYPE_P (NODE) && !TYPE_ALIAS_P (NODE)) \
3489 ? (TYPE_LANG_SLOT_1 (NODE) = (VAL)) \
3490 : (DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) = (VAL)))
3492 #define TI_TEMPLATE(NODE) \
3493 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->tmpl
3494 #define TI_ARGS(NODE) \
3495 ((struct tree_template_info*)TEMPLATE_INFO_CHECK (NODE))->args
3496 #define TI_PENDING_TEMPLATE_FLAG(NODE) \
3497 TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE))
3498 /* For a given TREE_VEC containing a template argument list,
3499 this property contains the number of arguments that are not
3501 #define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3502 TREE_CHAIN (TREE_VEC_CHECK (NODE))
3504 /* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT
3506 #define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \
3507 NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE)
3509 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3510 int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE))
3512 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
3513 NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \
3514 ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \
3515 : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE))
3517 /* The list of typedefs - used in the template - that need
3518 access checking at template instantiation time.
3520 FIXME this should be associated with the TEMPLATE_DECL, not the
3522 #define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) \
3523 ((struct tree_template_info*)TEMPLATE_INFO_CHECK \
3524 (NODE))->typedefs_needing_access_checking
3526 /* We use TREE_VECs to hold template arguments. If there is only one
3527 level of template arguments, then the TREE_VEC contains the
3528 arguments directly. If there is more than one level of template
3529 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
3530 containing the template arguments for a single level. The first
3531 entry in the outer TREE_VEC is the outermost level of template
3532 parameters; the last is the innermost.
3534 It is incorrect to ever form a template argument vector containing
3535 only one level of arguments, but which is a TREE_VEC containing as
3536 its only entry the TREE_VEC for that level.
3538 For each TREE_VEC containing the template arguments for a single
3539 level, it's possible to get or set the number of non defaulted
3540 template arguments by using the accessor macros
3541 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or
3542 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */
3544 /* Nonzero if the template arguments is actually a vector of vectors,
3545 rather than just a vector. */
3546 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
3547 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \
3548 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
3550 /* The depth of a template argument vector. When called directly by
3551 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
3552 template arguments. In fact, we may even see NULL_TREE if there
3553 are no template arguments. In both of those cases, there is only
3554 one level of template arguments. */
3555 #define TMPL_ARGS_DEPTH(NODE) \
3556 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
3558 /* The LEVELth level of the template ARGS. The outermost level of
3559 args is level 1, not level 0. */
3560 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
3561 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
3562 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
3564 /* Set the LEVELth level of the template ARGS to VAL. This macro does
3565 not work with single-level argument vectors. */
3566 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
3567 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
3569 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
3570 #define TMPL_ARG(ARGS, LEVEL, IDX) \
3571 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
3573 /* Given a single level of template arguments in NODE, return the
3574 number of arguments. */
3575 #define NUM_TMPL_ARGS(NODE) \
3576 (TREE_VEC_LENGTH (NODE))
3578 /* Returns the innermost level of template arguments in ARGS. */
3579 #define INNERMOST_TEMPLATE_ARGS(NODE) \
3580 (get_innermost_template_args ((NODE), 1))
3582 /* The number of levels of template parameters given by NODE. */
3583 #define TMPL_PARMS_DEPTH(NODE) \
3584 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
3586 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
3587 TEMPLATE_DECL will be the immediate parent, not the most general
3588 template. For example, in:
3590 template <class T> struct S { template <class U> void f(U); }
3592 the FUNCTION_DECL for S<int>::f<double> will have, as its
3593 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
3595 As a special case, for a member friend template of a template
3596 class, this value will not be a TEMPLATE_DECL, but rather an
3597 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
3598 any explicit template arguments provided. For example, in:
3600 template <class T> struct S { friend void f<int>(int, double); }
3602 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
3603 DECL_TI_ARGS will be {int}.
3605 For a FIELD_DECL with a non-static data member initializer, this value
3606 is the FIELD_DECL it was instantiated from. */
3607 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
3609 /* The template arguments used to obtain this decl from the most
3610 general form of DECL_TI_TEMPLATE. For the example given for
3611 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
3612 are always the full set of arguments required to instantiate this
3613 declaration from the most general template specialized here. */
3614 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
3616 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
3617 will be generated from a partial specialization, the TEMPLATE_DECL
3618 referred to here will be the original template. For example,
3621 template <typename T> struct S {};
3622 template <typename T> struct S<T*> {};
3624 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>.
3626 For a member class template, CLASSTYPE_TI_TEMPLATE always refers to the
3627 partial instantiation rather than the primary template. CLASSTYPE_TI_ARGS
3628 are for the primary template if the partial instantiation isn't
3629 specialized, or for the explicit specialization if it is, e.g.
3631 template <class T> class C { template <class U> class D; }
3632 template <> template <class U> class C<int>::D; */
3633 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
3634 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
3636 /* For a template instantiation TYPE, returns the TYPE corresponding
3637 to the primary template. Otherwise returns TYPE itself. */
3638 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
3639 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
3640 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
3641 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
3642 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
3645 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
3646 #define TYPE_TI_TEMPLATE(NODE) \
3647 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
3649 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
3650 #define TYPE_TI_ARGS(NODE) \
3651 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
3653 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
3655 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
3656 sense of [temp.mem]. */
3657 #define DECL_MEMBER_TEMPLATE_P(NODE) \
3658 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
3660 /* Nonzero if the NODE corresponds to the template parameters for a
3661 member template, whose inline definition is being processed after
3662 the class definition is complete. */
3663 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
3665 /* Determine if a declaration (PARM_DECL or FIELD_DECL) is a pack. */
3666 #define DECL_PACK_P(NODE) \
3667 (DECL_P (NODE) && PACK_EXPANSION_P (TREE_TYPE (NODE)))
3669 /* Determines if NODE is an expansion of one or more parameter packs,
3670 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
3671 #define PACK_EXPANSION_P(NODE) \
3672 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3673 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
3675 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
3676 EXPR_PACK_EXPANSION. */
3677 #define PACK_EXPANSION_PATTERN(NODE) \
3678 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION ? TREE_TYPE (NODE) \
3679 : TREE_OPERAND (NODE, 0))
3681 /* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or
3682 EXPR_PACK_EXPANSION. */
3683 #define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \
3684 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \
3685 TREE_TYPE (NODE) = VALUE; \
3687 TREE_OPERAND (NODE, 0) = VALUE
3689 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
3690 TREE_VALUE of each TREE_LIST contains the parameter packs. */
3691 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) \
3692 *(TREE_CODE (NODE) == EXPR_PACK_EXPANSION \
3693 ? &TREE_OPERAND (NODE, 1) \
3694 : &TYPE_MIN_VALUE_RAW (TYPE_PACK_EXPANSION_CHECK (NODE)))
3696 /* Any additional template args to be applied when substituting into
3697 the pattern, set by tsubst_pack_expansion for partial instantiations.
3698 If this is a TREE_LIST, the TREE_VALUE of the first element is the
3699 usual template argument TREE_VEC, and the TREE_PURPOSE of later elements
3700 are enclosing functions that provided function parameter packs we'll need
3701 to map appropriately. */
3702 #define PACK_EXPANSION_EXTRA_ARGS(NODE) \
3703 *(TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3704 ? &TYPE_MAX_VALUE_RAW (NODE) \
3705 : &TREE_OPERAND ((NODE), 2))
3707 /* True iff this pack expansion is within a function context. */
3708 #define PACK_EXPANSION_LOCAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
3710 /* True iff this pack expansion is for sizeof.... */
3711 #define PACK_EXPANSION_SIZEOF_P(NODE) TREE_LANG_FLAG_1 (NODE)
3713 /* True iff the wildcard can match a template parameter pack. */
3714 #define WILDCARD_PACK_P(NODE) TREE_LANG_FLAG_0 (NODE)
3716 /* Determine if this is an argument pack. */
3717 #define ARGUMENT_PACK_P(NODE) \
3718 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
3719 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
3721 /* The arguments stored in an argument pack. Arguments are stored in a
3722 TREE_VEC, which may have length zero. */
3723 #define ARGUMENT_PACK_ARGS(NODE) \
3724 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \
3725 : TREE_OPERAND (NODE, 0))
3727 /* Set the arguments stored in an argument pack. VALUE must be a
3729 #define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \
3730 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \
3731 TREE_TYPE (NODE) = VALUE; \
3733 TREE_OPERAND (NODE, 0) = VALUE
3735 /* Whether the argument pack is "incomplete", meaning that more
3736 arguments can still be deduced. Incomplete argument packs are only
3737 used when the user has provided an explicit template argument list
3738 for a variadic function template. Some of the explicit template
3739 arguments will be placed into the beginning of the argument pack,
3740 but additional arguments might still be deduced. */
3741 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
3742 TREE_ADDRESSABLE (ARGUMENT_PACK_ARGS (NODE))
3744 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
3745 arguments used to fill this pack. */
3746 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
3747 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
3749 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
3750 argument will be selected. */
3751 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
3752 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
3754 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
3756 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
3757 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
3759 #define FOLD_EXPR_CHECK(NODE) \
3760 TREE_CHECK4 (NODE, UNARY_LEFT_FOLD_EXPR, UNARY_RIGHT_FOLD_EXPR, \
3761 BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
3763 #define BINARY_FOLD_EXPR_CHECK(NODE) \
3764 TREE_CHECK2 (NODE, BINARY_LEFT_FOLD_EXPR, BINARY_RIGHT_FOLD_EXPR)
3766 /* True if NODE is UNARY_FOLD_EXPR or a BINARY_FOLD_EXPR */
3767 #define FOLD_EXPR_P(NODE) \
3768 (TREE_CODE (NODE) == UNARY_LEFT_FOLD_EXPR \
3769 || TREE_CODE (NODE) == UNARY_RIGHT_FOLD_EXPR \
3770 || TREE_CODE (NODE) == BINARY_LEFT_FOLD_EXPR \
3771 || TREE_CODE (NODE) == BINARY_RIGHT_FOLD_EXPR)
3773 /* True when NODE is a fold over a compound assignment operator. */
3774 #define FOLD_EXPR_MODIFY_P(NODE) \
3775 TREE_LANG_FLAG_0 (FOLD_EXPR_CHECK (NODE))
3777 /* An INTEGER_CST containing the tree code of the folded operator. */
3778 #define FOLD_EXPR_OP(NODE) \
3779 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 0)
3781 /* The expression containing an unexpanded parameter pack. */
3782 #define FOLD_EXPR_PACK(NODE) \
3783 TREE_OPERAND (FOLD_EXPR_CHECK (NODE), 1)
3785 /* In a binary fold expression, the argument with no unexpanded
3787 #define FOLD_EXPR_INIT(NODE) \
3788 TREE_OPERAND (BINARY_FOLD_EXPR_CHECK (NODE), 2)
3790 /* In a FUNCTION_DECL, the saved auto-return pattern. */
3791 #define DECL_SAVED_AUTO_RETURN_TYPE(NODE) \
3792 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \
3793 ->u.saved_auto_return_type)
3795 /* True if NODE is an implicit INDIRECT_REF from convert_from_reference. */
3796 #define REFERENCE_REF_P(NODE) \
3797 (INDIRECT_REF_P (NODE) \
3798 && TREE_TYPE (TREE_OPERAND (NODE, 0)) \
3799 && TYPE_REF_P (TREE_TYPE (TREE_OPERAND ((NODE), 0))))
3801 #define NEW_EXPR_USE_GLOBAL(NODE) \
3802 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
3803 #define DELETE_EXPR_USE_GLOBAL(NODE) \
3804 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
3805 #define DELETE_EXPR_USE_VEC(NODE) \
3806 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
3808 #define CALL_OR_AGGR_INIT_CHECK(NODE) \
3809 TREE_CHECK2 ((NODE), CALL_EXPR, AGGR_INIT_EXPR)
3811 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
3812 resolve to a function call. */
3813 #define COMPOUND_EXPR_OVERLOADED(NODE) \
3814 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
3816 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
3817 should be performed at instantiation time. */
3818 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
3820 /* In a CALL_EXPR, true for allocator calls from new or delete
3822 #define CALL_FROM_NEW_OR_DELETE_P(NODE) \
3823 TREE_LANG_FLAG_2 (CALL_EXPR_CHECK (NODE))
3825 /* True if the arguments to NODE should be evaluated in left-to-right
3826 order regardless of PUSH_ARGS_REVERSED. */
3827 #define CALL_EXPR_ORDERED_ARGS(NODE) \
3828 TREE_LANG_FLAG_3 (CALL_OR_AGGR_INIT_CHECK (NODE))
3830 /* True if the arguments to NODE should be evaluated in right-to-left
3831 order regardless of PUSH_ARGS_REVERSED. */
3832 #define CALL_EXPR_REVERSE_ARGS(NODE) \
3833 TREE_LANG_FLAG_5 (CALL_OR_AGGR_INIT_CHECK (NODE))
3835 /* True if CALL_EXPR was written as an operator expression, not a function
3837 #define CALL_EXPR_OPERATOR_SYNTAX(NODE) \
3838 TREE_LANG_FLAG_6 (CALL_OR_AGGR_INIT_CHECK (NODE))
3840 /* Indicates whether a string literal has been parenthesized. Such
3841 usages are disallowed in certain circumstances. */
3843 #define PAREN_STRING_LITERAL_P(NODE) \
3844 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
3846 /* Indicates whether a COMPONENT_REF or a SCOPE_REF has been parenthesized, or
3847 an INDIRECT_REF comes from parenthesizing a _DECL. Currently only set some
3848 of the time in C++14 mode. */
3850 #define REF_PARENTHESIZED_P(NODE) \
3851 TREE_LANG_FLAG_2 (TREE_CHECK4 ((NODE), COMPONENT_REF, INDIRECT_REF, SCOPE_REF, VIEW_CONVERT_EXPR))
3853 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
3854 constructor call, rather than an ordinary function call. */
3855 #define AGGR_INIT_VIA_CTOR_P(NODE) \
3856 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
3858 /* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize
3860 #define AGGR_INIT_ZERO_FIRST(NODE) \
3861 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE))
3863 /* Nonzero means that the call is the jump from a thunk to the
3864 thunked-to function. */
3865 #define AGGR_INIT_FROM_THUNK_P(NODE) \
3866 (AGGR_INIT_EXPR_CHECK (NODE)->base.protected_flag)
3868 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
3869 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
3870 CALL_EXPR_STATIC_CHAIN). */
3872 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
3873 #define AGGR_INIT_EXPR_SLOT(NODE) \
3874 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
3875 #define AGGR_INIT_EXPR_ARG(NODE, I) \
3876 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
3877 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
3879 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
3880 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
3881 the argument count is zero when checking is enabled. Instead, do
3882 the pointer arithmetic to advance past the 3 fixed operands in a
3883 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
3884 the operand array, even if it's not valid to dereference it. */
3885 #define AGGR_INIT_EXPR_ARGP(NODE) \
3886 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
3888 /* Abstract iterators for AGGR_INIT_EXPRs. */
3890 /* Structure containing iterator state. */
3891 struct aggr_init_expr_arg_iterator
{
3892 tree t
; /* the aggr_init_expr */
3893 int n
; /* argument count */
3894 int i
; /* next argument index */
3897 /* Initialize the abstract argument list iterator object ITER with the
3898 arguments from AGGR_INIT_EXPR node EXP. */
3900 init_aggr_init_expr_arg_iterator (tree exp
,
3901 aggr_init_expr_arg_iterator
*iter
)
3904 iter
->n
= aggr_init_expr_nargs (exp
);
3908 /* Return the next argument from abstract argument list iterator object ITER,
3909 and advance its state. Return NULL_TREE if there are no more arguments. */
3911 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator
*iter
)
3914 if (iter
->i
>= iter
->n
)
3916 result
= AGGR_INIT_EXPR_ARG (iter
->t
, iter
->i
);
3921 /* Initialize the abstract argument list iterator object ITER, then advance
3922 past and return the first argument. Useful in for expressions, e.g.
3923 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
3924 arg = next_aggr_init_expr_arg (&iter)) */
3926 first_aggr_init_expr_arg (tree exp
, aggr_init_expr_arg_iterator
*iter
)
3928 init_aggr_init_expr_arg_iterator (exp
, iter
);
3929 return next_aggr_init_expr_arg (iter
);
3932 /* Test whether there are more arguments in abstract argument list iterator
3933 ITER, without changing its state. */
3935 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator
*iter
)
3937 return (iter
->i
< iter
->n
);
3940 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
3941 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
3942 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
3943 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
3944 (arg) = next_aggr_init_expr_arg (&(iter)))
3946 /* VEC_INIT_EXPR accessors. */
3947 #define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 0)
3948 #define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 1)
3950 /* Indicates that a VEC_INIT_EXPR is a potential constant expression.
3951 Only set when the current function is constexpr. */
3952 #define VEC_INIT_EXPR_IS_CONSTEXPR(NODE) \
3953 TREE_LANG_FLAG_0 (VEC_INIT_EXPR_CHECK (NODE))
3955 /* Indicates that a VEC_INIT_EXPR is expressing value-initialization. */
3956 #define VEC_INIT_EXPR_VALUE_INIT(NODE) \
3957 TREE_LANG_FLAG_1 (VEC_INIT_EXPR_CHECK (NODE))
3959 /* The condition under which this MUST_NOT_THROW_EXPR actually blocks
3960 exceptions. NULL_TREE means 'true'. */
3961 #define MUST_NOT_THROW_COND(NODE) \
3962 TREE_OPERAND (MUST_NOT_THROW_EXPR_CHECK (NODE), 1)
3964 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
3965 TEMPLATE_DECL. This macro determines whether or not a given class
3966 type is really a template type, as opposed to an instantiation or
3967 specialization of one. */
3968 #define CLASSTYPE_IS_TEMPLATE(NODE) \
3969 (CLASSTYPE_TEMPLATE_INFO (NODE) \
3970 && !CLASSTYPE_USE_TEMPLATE (NODE) \
3971 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
3973 /* The name used by the user to name the typename type. Typically,
3974 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
3975 corresponding TYPE_DECL. However, this may also be a
3976 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
3977 #define TYPENAME_TYPE_FULLNAME(NODE) \
3978 (TYPE_VALUES_RAW (TYPENAME_TYPE_CHECK (NODE)))
3980 /* True if a TYPENAME_TYPE was declared as an "enum". */
3981 #define TYPENAME_IS_ENUM_P(NODE) \
3982 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
3984 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
3986 #define TYPENAME_IS_CLASS_P(NODE) \
3987 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
3989 /* True if a TYPENAME_TYPE is in the process of being resolved. */
3990 #define TYPENAME_IS_RESOLVING_P(NODE) \
3991 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
3995 A class that declares or inherits a virtual function is called a
3996 polymorphic class. */
3997 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
3999 /* Nonzero if this class has a virtual function table pointer. */
4000 #define TYPE_CONTAINS_VPTR_P(NODE) \
4001 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
4003 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
4004 scope) declared in a local scope. */
4005 #define DECL_LOCAL_FUNCTION_P(NODE) \
4006 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
4008 /* Nonzero if NODE is the target for genericization of 'break' stmts. */
4009 #define LABEL_DECL_BREAK(NODE) \
4010 DECL_LANG_FLAG_0 (LABEL_DECL_CHECK (NODE))
4012 /* Nonzero if NODE is the target for genericization of 'continue' stmts. */
4013 #define LABEL_DECL_CONTINUE(NODE) \
4014 DECL_LANG_FLAG_1 (LABEL_DECL_CHECK (NODE))
4016 /* Nonzero if NODE is the target for genericization of 'return' stmts
4017 in constructors/destructors of targetm.cxx.cdtor_returns_this targets. */
4018 #define LABEL_DECL_CDTOR(NODE) \
4019 DECL_LANG_FLAG_2 (LABEL_DECL_CHECK (NODE))
4021 /* True if NODE was declared with auto in its return type, but it has
4022 started compilation and so the return type might have been changed by
4023 return type deduction; its declared return type should be found in
4024 DECL_SAVED_AUTO_RETURN_TYPE (NODE). */
4025 #define FNDECL_USED_AUTO(NODE) \
4026 TREE_LANG_FLAG_2 (FUNCTION_DECL_CHECK (NODE))
4028 /* Nonzero if NODE is a DECL which we know about but which has not
4029 been explicitly declared, such as a built-in function or a friend
4030 declared inside a class. In the latter case DECL_HIDDEN_FRIEND_P
4032 #define DECL_ANTICIPATED(NODE) \
4033 (DECL_LANG_SPECIFIC (TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK (NODE)) \
4034 ->u.base.anticipated_p)
4036 /* Is DECL NODE a hidden name? */
4037 #define DECL_HIDDEN_P(NODE) \
4038 (DECL_LANG_SPECIFIC (NODE) && TYPE_FUNCTION_OR_TEMPLATE_DECL_P (NODE) \
4039 && DECL_ANTICIPATED (NODE))
4041 /* True if this is a hidden class type. */
4042 #define TYPE_HIDDEN_P(NODE) \
4043 (DECL_LANG_SPECIFIC (TYPE_NAME (NODE)) \
4044 && DECL_ANTICIPATED (TYPE_NAME (NODE)))
4046 /* True for artificial decls added for OpenMP privatized non-static
4048 #define DECL_OMP_PRIVATIZED_MEMBER(NODE) \
4049 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.anticipated_p)
4051 /* Nonzero if NODE is a FUNCTION_DECL which was declared as a friend
4052 within a class but has not been declared in the surrounding scope.
4053 The function is invisible except via argument dependent lookup. */
4054 #define DECL_HIDDEN_FRIEND_P(NODE) \
4055 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->hidden_friend_p)
4057 /* Nonzero if NODE is an artificial FUNCTION_DECL for
4058 #pragma omp declare reduction. */
4059 #define DECL_OMP_DECLARE_REDUCTION_P(NODE) \
4060 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->omp_declare_reduction_p)
4062 /* Nonzero if DECL has been declared threadprivate by
4063 #pragma omp threadprivate. */
4064 #define CP_DECL_THREADPRIVATE_P(DECL) \
4065 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
4067 /* Nonzero if NODE is a VAR_DECL which has been declared inline. */
4068 #define DECL_VAR_DECLARED_INLINE_P(NODE) \
4069 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4070 ? DECL_LANG_SPECIFIC (NODE)->u.base.var_declared_inline_p \
4072 #define SET_DECL_VAR_DECLARED_INLINE_P(NODE) \
4073 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.var_declared_inline_p \
4076 /* True if NODE is a constant variable with a value-dependent initializer. */
4077 #define DECL_DEPENDENT_INIT_P(NODE) \
4078 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
4079 && DECL_LANG_SPECIFIC (NODE)->u.base.dependent_init_p)
4080 #define SET_DECL_DEPENDENT_INIT_P(NODE, X) \
4081 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.dependent_init_p = (X))
4083 /* Nonzero if NODE is an artificial VAR_DECL for a C++17 structured binding
4084 declaration or one of VAR_DECLs for the user identifiers in it. */
4085 #define DECL_DECOMPOSITION_P(NODE) \
4086 (VAR_P (NODE) && DECL_LANG_SPECIFIC (NODE) \
4087 ? DECL_LANG_SPECIFIC (NODE)->u.base.selector == lds_decomp \
4090 /* The underlying artificial VAR_DECL for structured binding. */
4091 #define DECL_DECOMP_BASE(NODE) \
4092 (LANG_DECL_DECOMP_CHECK (NODE)->base)
4094 /* Nonzero if NODE is an inline VAR_DECL. In C++17, static data members
4095 declared with constexpr specifier are implicitly inline variables. */
4096 #define DECL_INLINE_VAR_P(NODE) \
4097 (DECL_VAR_DECLARED_INLINE_P (NODE) \
4098 || (cxx_dialect >= cxx17 \
4099 && DECL_DECLARED_CONSTEXPR_P (NODE) \
4100 && DECL_CLASS_SCOPE_P (NODE)))
4102 /* Nonzero if DECL was declared with '= delete'. */
4103 #define DECL_DELETED_FN(DECL) \
4104 (LANG_DECL_FN_CHECK (DECL)->min.base.threadprivate_or_deleted_p)
4106 /* Nonzero if DECL was declared with '= default' (maybe implicitly). */
4107 #define DECL_DEFAULTED_FN(DECL) \
4108 (LANG_DECL_FN_CHECK (DECL)->defaulted_p)
4110 /* Nonzero if DECL is explicitly defaulted in the class body. */
4111 #define DECL_DEFAULTED_IN_CLASS_P(DECL) \
4112 (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL))
4113 /* Nonzero if DECL was defaulted outside the class body. */
4114 #define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \
4115 (DECL_DEFAULTED_FN (DECL) \
4116 && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL)))
4118 /* Record whether a typedef for type `int' was actually `signed int'. */
4119 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
4121 /* Returns nonzero if DECL has external linkage, as specified by the
4122 language standard. (This predicate may hold even when the
4123 corresponding entity is not actually given external linkage in the
4124 object file; see decl_linkage for details.) */
4125 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
4126 (decl_linkage (DECL) == lk_external)
4128 /* Keep these codes in ascending code order. */
4130 #define INTEGRAL_CODE_P(CODE) \
4131 ((CODE) == ENUMERAL_TYPE \
4132 || (CODE) == BOOLEAN_TYPE \
4133 || (CODE) == INTEGER_TYPE)
4135 /* [basic.fundamental]
4137 Types bool, char, wchar_t, and the signed and unsigned integer types
4138 are collectively called integral types.
4140 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
4141 types as well, which is incorrect in C++. Keep these checks in
4142 ascending code order. */
4143 #define CP_INTEGRAL_TYPE_P(TYPE) \
4144 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
4145 || TREE_CODE (TYPE) == INTEGER_TYPE)
4147 /* Returns true if TYPE is an integral or enumeration name. Keep
4148 these checks in ascending code order. */
4149 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
4150 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
4152 /* Returns true if TYPE is an integral or unscoped enumeration type. */
4153 #define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
4154 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
4156 /* True if the class type TYPE is a literal type. */
4157 #define CLASSTYPE_LITERAL_P(TYPE) \
4158 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
4160 /* [basic.fundamental]
4162 Integral and floating types are collectively called arithmetic
4165 As a GNU extension, we also accept complex types.
4167 Keep these checks in ascending code order. */
4168 #define ARITHMETIC_TYPE_P(TYPE) \
4169 (CP_INTEGRAL_TYPE_P (TYPE) \
4170 || TREE_CODE (TYPE) == REAL_TYPE \
4171 || TREE_CODE (TYPE) == COMPLEX_TYPE)
4173 /* True iff TYPE is cv decltype(nullptr). */
4174 #define NULLPTR_TYPE_P(TYPE) (TREE_CODE (TYPE) == NULLPTR_TYPE)
4178 Arithmetic types, enumeration types, pointer types,
4179 pointer-to-member types, and std::nullptr_t are collectively called
4182 Keep these checks in ascending code order. */
4183 #define SCALAR_TYPE_P(TYPE) \
4184 (TYPE_PTRDATAMEM_P (TYPE) \
4185 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
4186 || ARITHMETIC_TYPE_P (TYPE) \
4187 || TYPE_PTR_P (TYPE) \
4188 || TYPE_PTRMEMFUNC_P (TYPE) \
4189 || NULLPTR_TYPE_P (TYPE))
4191 /* Determines whether this type is a C++0x scoped enumeration
4192 type. Scoped enumerations types are introduced via "enum class" or
4193 "enum struct", e.g.,
4199 Scoped enumeration types are different from normal (unscoped)
4200 enumeration types in several ways:
4202 - The enumerators of a scoped enumeration type are only available
4203 within the scope of the enumeration type and not in the
4204 enclosing scope. For example, the Red color can be referred to
4205 with "Color::Red" but not "Red".
4207 - Scoped enumerators and enumerations do not implicitly convert
4208 to integers or 'bool'.
4210 - The underlying type of the enum is well-defined. */
4211 #define SCOPED_ENUM_P(TYPE) \
4212 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_SCOPED (TYPE))
4214 /* Determine whether this is an unscoped enumeration type. */
4215 #define UNSCOPED_ENUM_P(TYPE) \
4216 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !ENUM_IS_SCOPED (TYPE))
4218 /* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
4219 enumeration type (1) or a normal (unscoped) enumeration type
4221 #define SET_SCOPED_ENUM_P(TYPE, VAL) \
4222 (ENUM_IS_SCOPED (TYPE) = (VAL))
4224 #define SET_OPAQUE_ENUM_P(TYPE, VAL) \
4225 (ENUM_IS_OPAQUE (TYPE) = (VAL))
4227 #define OPAQUE_ENUM_P(TYPE) \
4228 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_OPAQUE (TYPE))
4230 /* Determines whether an ENUMERAL_TYPE has an explicit
4232 #define ENUM_FIXED_UNDERLYING_TYPE_P(NODE) (TYPE_LANG_FLAG_5 (NODE))
4234 /* Returns the underlying type of the given enumeration type. The
4235 underlying type is determined in different ways, depending on the
4236 properties of the enum:
4238 - In C++0x, the underlying type can be explicitly specified, e.g.,
4240 enum E1 : char { ... } // underlying type is char
4242 - In a C++0x scoped enumeration, the underlying type is int
4243 unless otherwises specified:
4245 enum class E2 { ... } // underlying type is int
4247 - Otherwise, the underlying type is determined based on the
4248 values of the enumerators. In this case, the
4249 ENUM_UNDERLYING_TYPE will not be set until after the definition
4250 of the enumeration is completed by finish_enum. */
4251 #define ENUM_UNDERLYING_TYPE(TYPE) \
4252 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE))
4256 An aggregate is an array or a class with no user-provided
4257 constructors, no brace-or-equal-initializers for non-static data
4258 members, no private or protected non-static data members, no
4259 base classes, and no virtual functions.
4261 As an extension, we also treat vectors as aggregates. Keep these
4262 checks in ascending code order. */
4263 #define CP_AGGREGATE_TYPE_P(TYPE) \
4264 (gnu_vector_type_p (TYPE) \
4265 || TREE_CODE (TYPE) == ARRAY_TYPE \
4266 || (CLASS_TYPE_P (TYPE) && COMPLETE_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
4268 /* Nonzero for a class type means that the class type has a
4269 user-declared constructor. */
4270 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
4272 /* Nonzero means that the FUNCTION_TYPE or METHOD_TYPE has a
4273 late-specified return type. */
4274 #define TYPE_HAS_LATE_RETURN_TYPE(NODE) \
4275 (TYPE_LANG_FLAG_2 (FUNC_OR_METHOD_CHECK (NODE)))
4277 /* When appearing in an INDIRECT_REF, it means that the tree structure
4278 underneath is actually a call to a constructor. This is needed
4279 when the constructor must initialize local storage (which can
4280 be automatically destroyed), rather than allowing it to allocate
4281 space from the heap.
4283 When appearing in a SAVE_EXPR, it means that underneath
4284 is a call to a constructor.
4286 When appearing in a CONSTRUCTOR, the expression is a
4289 When appearing in a FIELD_DECL, it means that this field
4290 has been duly initialized in its constructor. */
4291 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
4293 /* True if NODE is a brace-enclosed initializer. */
4294 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
4295 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
4297 /* True if NODE is a compound-literal, i.e., a brace-enclosed
4298 initializer cast to a particular type. */
4299 #define COMPOUND_LITERAL_P(NODE) \
4300 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
4302 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
4303 && vec_safe_is_empty(CONSTRUCTOR_ELTS(NODE))\
4304 && !TREE_HAS_CONSTRUCTOR (NODE))
4306 /* True if NODE is a init-list used as a direct-initializer, i.e.
4307 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
4308 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
4310 /* True if this CONSTRUCTOR is instantiation-dependent and needs to be
4312 #define CONSTRUCTOR_IS_DEPENDENT(NODE) \
4313 (TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (NODE)))
4315 /* True if this CONSTRUCTOR should not be used as a variable initializer
4316 because it was loaded from a constexpr variable with mutable fields. */
4317 #define CONSTRUCTOR_MUTABLE_POISON(NODE) \
4318 (TREE_LANG_FLAG_2 (CONSTRUCTOR_CHECK (NODE)))
4320 /* True if this typed CONSTRUCTOR represents C99 compound-literal syntax rather
4321 than C++11 functional cast syntax. */
4322 #define CONSTRUCTOR_C99_COMPOUND_LITERAL(NODE) \
4323 (TREE_LANG_FLAG_3 (CONSTRUCTOR_CHECK (NODE)))
4325 /* True if this CONSTRUCTOR contains PLACEHOLDER_EXPRs referencing the
4326 CONSTRUCTOR's type not nested inside another CONSTRUCTOR marked with
4327 CONSTRUCTOR_PLACEHOLDER_BOUNDARY. */
4328 #define CONSTRUCTOR_PLACEHOLDER_BOUNDARY(NODE) \
4329 (TREE_LANG_FLAG_5 (CONSTRUCTOR_CHECK (NODE)))
4331 #define DIRECT_LIST_INIT_P(NODE) \
4332 (BRACE_ENCLOSED_INITIALIZER_P (NODE) && CONSTRUCTOR_IS_DIRECT_INIT (NODE))
4334 /* True if this is a designated initializer (when we allow initializer-clauses
4335 mixed with designated-initializer-clauses set whenever there is at least
4336 one designated-initializer-clause), or a C99 designator. */
4337 #define CONSTRUCTOR_IS_DESIGNATED_INIT(NODE) \
4338 (TREE_LANG_FLAG_6 (CONSTRUCTOR_CHECK (NODE)))
4340 /* True if this CONSTRUCTOR comes from a parenthesized list of values, e.g.
4342 #define CONSTRUCTOR_IS_PAREN_INIT(NODE) \
4343 (CONSTRUCTOR_CHECK(NODE)->base.private_flag)
4345 /* True if NODE represents a conversion for direct-initialization in a
4346 template. Set by perform_implicit_conversion_flags. */
4347 #define IMPLICIT_CONV_EXPR_DIRECT_INIT(NODE) \
4348 (TREE_LANG_FLAG_0 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4350 /* True if NODE represents a dependent conversion of a non-type template
4351 argument. Set by maybe_convert_nontype_argument. */
4352 #define IMPLICIT_CONV_EXPR_NONTYPE_ARG(NODE) \
4353 (TREE_LANG_FLAG_1 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4355 /* True if NODE represents a conversion for braced-init-list in a
4356 template. Set by perform_implicit_conversion_flags. */
4357 #define IMPLICIT_CONV_EXPR_BRACED_INIT(NODE) \
4358 (TREE_LANG_FLAG_2 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
4360 /* Nonzero means that an object of this type cannot be initialized using
4361 an initializer list. */
4362 #define CLASSTYPE_NON_AGGREGATE(NODE) \
4363 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
4364 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
4365 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
4367 /* Nonzero if there is a non-trivial X::op=(cv X&) for this class. */
4368 #define TYPE_HAS_COMPLEX_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_assign)
4370 /* Nonzero if there is a non-trivial X::X(cv X&) for this class. */
4371 #define TYPE_HAS_COMPLEX_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_ctor)
4373 /* Nonzero if there is a non-trivial X::op=(X&&) for this class. */
4374 #define TYPE_HAS_COMPLEX_MOVE_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_assign)
4376 /* Nonzero if there is a non-trivial X::X(X&&) for this class. */
4377 #define TYPE_HAS_COMPLEX_MOVE_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_ctor)
4379 /* Nonzero if there is no trivial default constructor for this class. */
4380 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
4382 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
4384 A destructor is trivial if it is an implicitly declared
4387 - all of the direct base classes of its class have trivial
4390 - for all of the non-static data members of its class that are
4391 of class type (or array thereof), each such class has a
4392 trivial destructor. */
4393 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
4394 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
4396 /* Nonzero for _TYPE node means that this type does not have a trivial
4397 destructor. Therefore, destroying an object of this type will
4398 involve a call to a destructor. This can apply to objects of
4399 ARRAY_TYPE if the type of the elements needs a destructor. */
4400 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
4401 (TYPE_LANG_FLAG_4 (NODE))
4403 /* Nonzero for class type means that the default constructor is trivial. */
4404 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
4405 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
4407 /* Nonzero for class type means that copy initialization of this type can use
4409 #define TYPE_HAS_TRIVIAL_COPY_CTOR(NODE) \
4410 (TYPE_HAS_COPY_CTOR (NODE) && ! TYPE_HAS_COMPLEX_COPY_CTOR (NODE))
4412 /* Nonzero for class type means that assignment of this type can use
4414 #define TYPE_HAS_TRIVIAL_COPY_ASSIGN(NODE) \
4415 (TYPE_HAS_COPY_ASSIGN (NODE) && ! TYPE_HAS_COMPLEX_COPY_ASSIGN (NODE))
4417 /* Returns true if NODE is a pointer-to-data-member. */
4418 #define TYPE_PTRDATAMEM_P(NODE) \
4419 (TREE_CODE (NODE) == OFFSET_TYPE)
4421 /* Returns true if NODE is a pointer. */
4422 #define TYPE_PTR_P(NODE) \
4423 (TREE_CODE (NODE) == POINTER_TYPE)
4425 /* Returns true if NODE is a reference. */
4426 #define TYPE_REF_P(NODE) \
4427 (TREE_CODE (NODE) == REFERENCE_TYPE)
4429 /* Returns true if NODE is a pointer or a reference. */
4430 #define INDIRECT_TYPE_P(NODE) \
4431 (TYPE_PTR_P (NODE) || TYPE_REF_P (NODE))
4433 /* Returns true if NODE is an object type:
4437 An object type is a (possibly cv-qualified) type that is not a
4438 function type, not a reference type, and not a void type.
4440 Keep these checks in ascending order, for speed. */
4441 #define TYPE_OBJ_P(NODE) \
4442 (!TYPE_REF_P (NODE) \
4443 && !VOID_TYPE_P (NODE) \
4444 && !FUNC_OR_METHOD_TYPE_P (NODE))
4446 /* Returns true if NODE is a pointer to an object. Keep these checks
4447 in ascending tree code order. */
4448 #define TYPE_PTROB_P(NODE) \
4449 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4451 /* Returns true if NODE is a reference to an object. Keep these checks
4452 in ascending tree code order. */
4453 #define TYPE_REF_OBJ_P(NODE) \
4454 (TYPE_REF_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
4456 /* Returns true if NODE is a pointer to an object, or a pointer to
4457 void. Keep these checks in ascending tree code order. */
4458 #define TYPE_PTROBV_P(NODE) \
4459 (TYPE_PTR_P (NODE) \
4460 && !FUNC_OR_METHOD_TYPE_P (TREE_TYPE (NODE)))
4462 /* Returns true if NODE is a pointer to function type. */
4463 #define TYPE_PTRFN_P(NODE) \
4464 (TYPE_PTR_P (NODE) \
4465 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4467 /* Returns true if NODE is a reference to function type. */
4468 #define TYPE_REFFN_P(NODE) \
4469 (TYPE_REF_P (NODE) \
4470 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
4472 /* Returns true if NODE is a pointer to member function type. */
4473 #define TYPE_PTRMEMFUNC_P(NODE) \
4474 (TREE_CODE (NODE) == RECORD_TYPE \
4475 && TYPE_PTRMEMFUNC_FLAG (NODE))
4477 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
4478 (TYPE_LANG_FLAG_2 (RECORD_TYPE_CHECK (NODE)))
4480 /* Returns true if NODE is a pointer-to-member. */
4481 #define TYPE_PTRMEM_P(NODE) \
4482 (TYPE_PTRDATAMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
4484 /* Returns true if NODE is a pointer or a pointer-to-member. */
4485 #define TYPE_PTR_OR_PTRMEM_P(NODE) \
4486 (TYPE_PTR_P (NODE) || TYPE_PTRMEM_P (NODE))
4488 /* Indicates when overload resolution may resolve to a pointer to
4489 member function. [expr.unary.op]/3 */
4490 #define PTRMEM_OK_P(NODE) \
4491 TREE_LANG_FLAG_0 (TREE_CHECK3 ((NODE), ADDR_EXPR, OFFSET_REF, SCOPE_REF))
4493 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
4494 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
4495 before using this macro. */
4496 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
4497 (cp_build_qualified_type (TREE_TYPE (TYPE_FIELDS (NODE)),\
4498 cp_type_quals (NODE)))
4500 /* As above, but can be used in places that want an lvalue at the expense
4501 of not necessarily having the correct cv-qualifiers. */
4502 #define TYPE_PTRMEMFUNC_FN_TYPE_RAW(NODE) \
4503 (TREE_TYPE (TYPE_FIELDS (NODE)))
4505 /* Returns `A' for a type like `int (A::*)(double)' */
4506 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
4507 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4509 /* The canonical internal RECORD_TYPE from the POINTER_TYPE to
4511 #define TYPE_PTRMEMFUNC_TYPE(NODE) \
4512 TYPE_LANG_SLOT_1 (NODE)
4514 /* For a pointer-to-member type of the form `T X::*', this is `X'.
4515 For a type like `void (X::*)() const', this type is `X', not `const
4516 X'. To get at the `const X' you have to look at the
4517 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
4519 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
4520 (TYPE_PTRDATAMEM_P (NODE) \
4521 ? TYPE_OFFSET_BASETYPE (NODE) \
4522 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
4524 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
4525 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
4526 (TYPE_PTRDATAMEM_P (NODE) \
4527 ? TREE_TYPE (NODE) \
4528 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
4530 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
4532 #define PTRMEM_CST_CLASS(NODE) \
4533 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
4535 /* For a pointer-to-member constant `X::Y' this is the _DECL for
4537 #define PTRMEM_CST_MEMBER(NODE) \
4538 (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
4540 /* The expression in question for a TYPEOF_TYPE. */
4541 #define TYPEOF_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (TYPEOF_TYPE_CHECK (NODE)))
4543 /* The type in question for an UNDERLYING_TYPE. */
4544 #define UNDERLYING_TYPE_TYPE(NODE) \
4545 (TYPE_VALUES_RAW (UNDERLYING_TYPE_CHECK (NODE)))
4547 /* The type in question for BASES. */
4548 #define BASES_TYPE(NODE) \
4549 (TYPE_VALUES_RAW (BASES_CHECK (NODE)))
4551 #define BASES_DIRECT(NODE) \
4552 TREE_LANG_FLAG_0 (BASES_CHECK (NODE))
4554 /* The expression in question for a DECLTYPE_TYPE. */
4555 #define DECLTYPE_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (DECLTYPE_TYPE_CHECK (NODE)))
4557 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
4558 id-expression or a member-access expression. When false, it was
4559 parsed as a full expression. */
4560 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
4561 (DECLTYPE_TYPE_CHECK (NODE))->type_common.string_flag
4563 /* These flags indicate that we want different semantics from normal
4564 decltype: lambda capture just drops references,
4565 lambda proxies look through implicit dereference. */
4566 #define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
4567 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
4568 #define DECLTYPE_FOR_LAMBDA_PROXY(NODE) \
4569 TREE_LANG_FLAG_2 (DECLTYPE_TYPE_CHECK (NODE))
4570 #define DECLTYPE_FOR_REF_CAPTURE(NODE) \
4571 TREE_LANG_FLAG_3 (DECLTYPE_TYPE_CHECK (NODE))
4573 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
4574 specified in its declaration. This can also be set for an
4575 erroneously declared PARM_DECL. */
4576 #define DECL_THIS_EXTERN(NODE) \
4577 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4579 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
4580 specified in its declaration. This can also be set for an
4581 erroneously declared PARM_DECL. */
4582 #define DECL_THIS_STATIC(NODE) \
4583 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
4585 /* Nonzero for FIELD_DECL node means that this field is a lambda capture
4586 field for an array of runtime bound. */
4587 #define DECL_VLA_CAPTURE_P(NODE) \
4588 DECL_LANG_FLAG_1 (FIELD_DECL_CHECK (NODE))
4590 /* Nonzero for PARM_DECL node means that this is an array function
4591 parameter, i.e, a[] rather than *a. */
4592 #define DECL_ARRAY_PARAMETER_P(NODE) \
4593 DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE))
4595 /* Nonzero for a FIELD_DECL who's NSMDI is currently being
4597 #define DECL_INSTANTIATING_NSDMI_P(NODE) \
4598 DECL_LANG_FLAG_2 (FIELD_DECL_CHECK (NODE))
4600 /* Nonzero for FIELD_DECL node means that this field is a base class
4601 of the parent object, as opposed to a member field. */
4602 #define DECL_FIELD_IS_BASE(NODE) \
4603 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
4605 /* Nonzero for FIELD_DECL node means that this field is a simple (no
4606 explicit initializer) lambda capture field, making it invisible to
4607 name lookup in unevaluated contexts. */
4608 #define DECL_NORMAL_CAPTURE_P(NODE) \
4609 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
4611 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
4612 flag for this because "A union for which objects or pointers are
4613 declared is not an anonymous union" [class.union]. */
4614 #define ANON_AGGR_TYPE_P(NODE) \
4615 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
4616 #define SET_ANON_AGGR_TYPE_P(NODE) \
4617 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
4619 /* Nonzero if TYPE is an anonymous union type. */
4620 #define ANON_UNION_TYPE_P(NODE) \
4621 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
4623 /* Define fields and accessors for nodes representing declared names. */
4625 /* True if TYPE is an unnamed structured type with a typedef for
4626 linkage purposes. In that case TYPE_NAME and TYPE_STUB_DECL of the
4627 MAIN-VARIANT are different. */
4628 #define TYPE_WAS_UNNAMED(NODE) \
4629 (TYPE_NAME (TYPE_MAIN_VARIANT (NODE)) \
4630 != TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
4632 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
4634 /* The format of each node in the DECL_FRIENDLIST is as follows:
4636 The TREE_PURPOSE will be the name of a function, i.e., an
4637 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
4638 TREE_VALUEs are friends with the given name. */
4639 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
4640 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
4641 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
4643 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
4644 each node is a type; the TREE_VALUE is the access granted for this
4645 DECL in that type. The DECL_ACCESS is set by access declarations.
4646 For example, if a member that would normally be public in a
4647 derived class is made protected, then the derived class and the
4648 protected_access_node will appear in the DECL_ACCESS for the node. */
4649 #define DECL_ACCESS(NODE) (LANG_DECL_MIN_CHECK (NODE)->access)
4651 /* Nonzero if the FUNCTION_DECL is a global constructor. */
4652 #define DECL_GLOBAL_CTOR_P(NODE) \
4653 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p)
4655 /* Nonzero if the FUNCTION_DECL is a global destructor. */
4656 #define DECL_GLOBAL_DTOR_P(NODE) \
4657 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p)
4659 /* Accessor macros for C++ template decl nodes. */
4661 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
4662 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
4663 template parameters, with 1 being the outermost set of template
4664 parameters. The TREE_VALUE is a vector, whose elements are the
4665 template parameters at each level. Each element in the vector is a
4666 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
4667 non-type parameter), or a TYPE_DECL (if the parameter is a type
4668 parameter). The TREE_PURPOSE is the default value, if any. The
4669 TEMPLATE_PARM_INDEX for the parameter is available as the
4670 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
4673 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4674 tree is converted to C++ class hiearchy. */
4675 #define DECL_TEMPLATE_PARMS(NODE) \
4676 ((struct tree_template_decl *)CONST_CAST_TREE (TEMPLATE_DECL_CHECK (NODE)))->arguments
4677 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
4678 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
4679 #define DECL_NTPARMS(NODE) \
4680 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
4681 /* For function, method, class-data templates.
4683 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
4684 tree is converted to C++ class hiearchy. */
4685 #define DECL_TEMPLATE_RESULT(NODE) \
4686 ((struct tree_template_decl *)CONST_CAST_TREE(TEMPLATE_DECL_CHECK (NODE)))->result
4687 /* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS
4688 lists all instantiations and specializations of the function so that
4689 tsubst_friend_function can reassign them to another template if we find
4690 that the namespace-scope template is really a partial instantiation of a
4693 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
4694 all instantiations and specializations of the class type, including
4695 partial instantiations and partial specializations, so that if we
4696 explicitly specialize a partial instantiation we can walk the list
4697 in maybe_process_partial_specialization and reassign them or complain
4700 In both cases, the TREE_PURPOSE of each node contains the arguments
4701 used; the TREE_VALUE contains the generated variable. The template
4702 arguments are always complete. For example, given:
4704 template <class T> struct S1 {
4705 template <class U> struct S2 {};
4706 template <class U> struct S2<U*> {};
4709 the record for the partial specialization will contain, as its
4710 argument list, { {T}, {U*} }, and will be on the
4711 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
4712 <class U> struct S1<T>::S2'.
4714 This list is not used for other templates. */
4715 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) \
4716 DECL_SIZE_UNIT (TEMPLATE_DECL_CHECK (NODE))
4718 /* For a class template, this list contains the partial
4719 specializations of this template. (Full specializations are not
4720 recorded on this list.) The TREE_PURPOSE holds the arguments used
4721 in the partial specialization (e.g., for `template <class T> struct
4722 S<T*, int>' this will be `T*, int'.) The arguments will also include
4723 any outer template arguments. The TREE_VALUE holds the TEMPLATE_DECL
4724 for the partial specialization. The TREE_TYPE is the _TYPE node for
4725 the partial specialization.
4727 This list is not used for other templates. */
4728 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) \
4729 DECL_SIZE (TEMPLATE_DECL_CHECK (NODE))
4731 /* Nonzero for a DECL which is actually a template parameter. Keep
4732 these checks in ascending tree code order. */
4733 #define DECL_TEMPLATE_PARM_P(NODE) \
4734 (DECL_LANG_FLAG_0 (NODE) \
4735 && (TREE_CODE (NODE) == CONST_DECL \
4736 || TREE_CODE (NODE) == PARM_DECL \
4737 || TREE_CODE (NODE) == TYPE_DECL \
4738 || TREE_CODE (NODE) == TEMPLATE_DECL))
4740 /* Nonzero for a raw template parameter node. */
4741 #define TEMPLATE_PARM_P(NODE) \
4742 (TREE_CODE (NODE) == TEMPLATE_TYPE_PARM \
4743 || TREE_CODE (NODE) == TEMPLATE_TEMPLATE_PARM \
4744 || TREE_CODE (NODE) == TEMPLATE_PARM_INDEX)
4746 /* Mark NODE as a template parameter. */
4747 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
4748 (DECL_LANG_FLAG_0 (NODE) = 1)
4750 /* Nonzero if NODE is a template template parameter. */
4751 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
4752 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
4754 /* Nonzero for a DECL that represents a function template. */
4755 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
4756 (TREE_CODE (NODE) == TEMPLATE_DECL \
4757 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
4758 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
4760 /* Nonzero for a DECL that represents a class template or alias
4762 #define DECL_TYPE_TEMPLATE_P(NODE) \
4763 (TREE_CODE (NODE) == TEMPLATE_DECL \
4764 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
4765 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL)
4767 /* Nonzero for a DECL that represents a class template. */
4768 #define DECL_CLASS_TEMPLATE_P(NODE) \
4769 (DECL_TYPE_TEMPLATE_P (NODE) \
4770 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE)))
4772 /* Nonzero for a TEMPLATE_DECL that represents an alias template. */
4773 #define DECL_ALIAS_TEMPLATE_P(NODE) \
4774 (DECL_TYPE_TEMPLATE_P (NODE) \
4775 && !DECL_ARTIFICIAL (DECL_TEMPLATE_RESULT (NODE)))
4777 /* Nonzero for a NODE which declares a type. */
4778 #define DECL_DECLARES_TYPE_P(NODE) \
4779 (TREE_CODE (NODE) == TYPE_DECL || DECL_TYPE_TEMPLATE_P (NODE))
4781 /* Nonzero if NODE declares a function. */
4782 #define DECL_DECLARES_FUNCTION_P(NODE) \
4783 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE))
4785 /* Nonzero if NODE is the typedef implicitly generated for a type when
4786 the type is declared. In C++, `struct S {};' is roughly
4787 equivalent to `struct S {}; typedef struct S S;' in C.
4788 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
4789 example. In C++, there is a second implicit typedef for each
4790 class, called the injected-class-name, in the scope of `S' itself, so that
4791 you can say `S::S'. DECL_SELF_REFERENCE_P will hold for that typedef. */
4792 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
4793 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
4794 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
4795 (DECL_LANG_FLAG_2 (NODE) = 1)
4796 #define DECL_SELF_REFERENCE_P(NODE) \
4797 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
4798 #define SET_DECL_SELF_REFERENCE_P(NODE) \
4799 (DECL_LANG_FLAG_4 (NODE) = 1)
4801 /* A `primary' template is one that has its own template header and is not
4802 a partial specialization. A member function of a class template is a
4803 template, but not primary. A member template is primary. Friend
4804 templates are primary, too. */
4806 /* Returns the primary template corresponding to these parameters. */
4807 #define DECL_PRIMARY_TEMPLATE(NODE) \
4808 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
4810 /* Returns nonzero if NODE is a primary template. */
4811 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
4813 /* Nonzero iff NODE is a specialization of a template. The value
4814 indicates the type of specializations:
4816 1=implicit instantiation
4818 2=partial or explicit specialization, e.g.:
4820 template <> int min<int> (int, int),
4822 3=explicit instantiation, e.g.:
4824 template int min<int> (int, int);
4826 Note that NODE will be marked as a specialization even if the
4827 template it is instantiating is not a primary template. For
4830 template <typename T> struct O {
4835 both O<int>::f and O<int>::I will be marked as instantiations.
4837 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
4839 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template)
4841 /* Like DECL_USE_TEMPLATE, but for class types. */
4842 #define CLASSTYPE_USE_TEMPLATE(NODE) \
4843 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
4845 /* True if NODE is a specialization of a primary template. */
4846 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
4847 (CLASS_TYPE_P (NODE) \
4848 && CLASSTYPE_USE_TEMPLATE (NODE) \
4849 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
4851 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
4852 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
4853 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
4855 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
4856 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
4858 /* Returns true for an explicit or partial specialization of a class
4860 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4861 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
4862 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4863 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
4865 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
4866 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
4867 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4868 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
4869 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4870 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
4872 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
4873 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
4874 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4875 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
4876 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4877 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
4879 /* Nonzero if DECL is a friend function which is an instantiation
4880 from the point of view of the compiler, but not from the point of
4881 view of the language. For example given:
4882 template <class T> struct S { friend void f(T) {}; };
4883 the declaration of `void f(int)' generated when S<int> is
4884 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
4885 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
4886 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
4887 (DECL_LANG_SPECIFIC (DECL) && DECL_TEMPLATE_INFO (DECL) \
4888 && !DECL_USE_TEMPLATE (DECL))
4890 /* Nonzero if DECL is a function generated from a function 'temploid',
4891 i.e. template, member of class template, or dependent friend. */
4892 #define DECL_TEMPLOID_INSTANTIATION(DECL) \
4893 (DECL_TEMPLATE_INSTANTIATION (DECL) \
4894 || DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (DECL))
4896 /* Nonzero if DECL is either defined implicitly by the compiler or
4897 generated from a temploid. */
4898 #define DECL_GENERATED_P(DECL) \
4899 (DECL_TEMPLOID_INSTANTIATION (DECL) || DECL_DEFAULTED_FN (DECL))
4901 /* Nonzero iff we are currently processing a declaration for an
4902 entity with its own template parameter list, and which is not a
4903 full specialization. */
4904 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
4905 (!processing_template_parmlist \
4906 && processing_template_decl > template_class_depth (current_scope ()))
4908 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
4909 instantiated, i.e. its definition has been generated from the
4910 pattern given in the template. */
4911 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
4912 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
4914 /* We know what we're doing with this decl now. */
4915 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
4917 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
4918 so that assemble_external will work properly. So we have this flag to
4919 tell us whether the decl is really not external.
4921 This flag does not indicate whether or not the decl is defined in the
4922 current translation unit; it indicates whether or not we should emit the
4923 decl at the end of compilation if it is defined and needed. */
4924 #define DECL_NOT_REALLY_EXTERN(NODE) \
4925 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern)
4927 #define DECL_REALLY_EXTERN(NODE) \
4928 (DECL_EXTERNAL (NODE) \
4929 && (!DECL_LANG_SPECIFIC (NODE) || !DECL_NOT_REALLY_EXTERN (NODE)))
4931 /* A thunk is a stub function.
4933 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
4934 The address of the ordinary FUNCTION_DECL is given by the
4935 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
4936 FUNCTION_DECL. The job of the thunk is to either adjust the this
4937 pointer before transferring control to the FUNCTION_DECL, or call
4938 FUNCTION_DECL and then adjust the result value. Note, the result
4939 pointer adjusting thunk must perform a call to the thunked
4940 function, (or be implemented via passing some invisible parameter
4941 to the thunked function, which is modified to perform the
4942 adjustment just before returning).
4944 A thunk may perform either, or both, of the following operations:
4946 o Adjust the this or result pointer by a constant offset.
4947 o Adjust the this or result pointer by looking up a vcall or vbase offset
4950 A this pointer adjusting thunk converts from a base to a derived
4951 class, and hence adds the offsets. A result pointer adjusting thunk
4952 converts from a derived class to a base, and hence subtracts the
4953 offsets. If both operations are performed, then the constant
4954 adjustment is performed first for this pointer adjustment and last
4955 for the result pointer adjustment.
4957 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
4958 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
4959 used. For this pointer adjusting thunks, it is the vcall offset
4960 into the vtable. For result pointer adjusting thunks it is the
4961 binfo of the virtual base to convert to. Use that binfo's vbase
4964 It is possible to have equivalent covariant thunks. These are
4965 distinct virtual covariant thunks whose vbase offsets happen to
4966 have the same value. THUNK_ALIAS is used to pick one as the
4967 canonical thunk, which will get all the this pointer adjusting
4968 thunks attached to it. */
4970 /* An integer indicating how many bytes should be subtracted from the
4971 this or result pointer when this function is called. */
4972 #define THUNK_FIXED_OFFSET(DECL) \
4973 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset)
4975 /* A tree indicating how to perform the virtual adjustment. For a this
4976 adjusting thunk it is the number of bytes to be added to the vtable
4977 to find the vcall offset. For a result adjusting thunk, it is the
4978 binfo of the relevant virtual base. If NULL, then there is no
4979 virtual adjust. (The vptr is always located at offset zero from
4980 the this or result pointer.) (If the covariant type is within the
4981 class hierarchy being laid out, the vbase index is not yet known
4982 at the point we need to create the thunks, hence the need to use
4985 #define THUNK_VIRTUAL_OFFSET(DECL) \
4986 (LANG_DECL_MIN_CHECK (FUNCTION_DECL_CHECK (DECL))->access)
4988 /* A thunk which is equivalent to another thunk. */
4989 #define THUNK_ALIAS(DECL) \
4990 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info)
4992 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
4993 possible for the target to be a thunk too. */
4994 #define THUNK_TARGET(NODE) \
4995 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
4997 /* True for a SCOPE_REF iff the "template" keyword was used to
4998 indicate that the qualified name denotes a template. */
4999 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
5000 (TREE_LANG_FLAG_1 (SCOPE_REF_CHECK (NODE)))
5002 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
5003 as an expr in operand 1, and integer_zero_node or clauses in operand 0. */
5004 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
5005 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST \
5006 || TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == OMP_CLAUSE)
5008 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
5009 #define OMP_FOR_GIMPLIFYING_P(NODE) \
5010 (TREE_LANG_FLAG_0 (OMP_LOOPING_CHECK (NODE)))
5012 /* A language-specific token attached to the OpenMP data clauses to
5013 hold code (or code fragments) related to ctors, dtors, and op=.
5014 See semantics.c for details. */
5015 #define CP_OMP_CLAUSE_INFO(NODE) \
5016 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
5017 OMP_CLAUSE__CONDTEMP_))
5019 /* Nonzero if this transaction expression's body contains statements. */
5020 #define TRANSACTION_EXPR_IS_STMT(NODE) \
5021 TREE_LANG_FLAG_0 (TRANSACTION_EXPR_CHECK (NODE))
5023 /* These macros provide convenient access to the various _STMT nodes
5024 created when parsing template declarations. */
5025 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
5026 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
5028 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
5029 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
5031 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
5033 /* Nonzero if this try block is a function try block. */
5034 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
5035 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
5036 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
5037 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
5039 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
5040 and the VAR_DECL for which this cleanup exists. */
5041 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
5042 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
5043 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
5045 /* IF_STMT accessors. These give access to the condition of the if
5046 statement, the then block of the if statement, and the else block
5047 of the if statement if it exists. */
5048 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
5049 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
5050 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
5051 #define IF_SCOPE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 3)
5052 #define IF_STMT_CONSTEXPR_P(NODE) TREE_LANG_FLAG_0 (IF_STMT_CHECK (NODE))
5054 /* Like PACK_EXPANSION_EXTRA_ARGS, for constexpr if. IF_SCOPE is used while
5055 building an IF_STMT; IF_STMT_EXTRA_ARGS is used after it is complete. */
5056 #define IF_STMT_EXTRA_ARGS(NODE) IF_SCOPE (NODE)
5058 /* WHILE_STMT accessors. These give access to the condition of the
5059 while statement and the body of the while statement, respectively. */
5060 #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
5061 #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
5063 /* DO_STMT accessors. These give access to the condition of the do
5064 statement and the body of the do statement, respectively. */
5065 #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
5066 #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
5068 /* FOR_STMT accessors. These give access to the init statement,
5069 condition, update expression, and body of the for statement,
5071 #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
5072 #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
5073 #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
5074 #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
5075 #define FOR_SCOPE(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 4)
5077 /* RANGE_FOR_STMT accessors. These give access to the declarator,
5078 expression, body, and scope of the statement, respectively. */
5079 #define RANGE_FOR_DECL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 0)
5080 #define RANGE_FOR_EXPR(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 1)
5081 #define RANGE_FOR_BODY(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 2)
5082 #define RANGE_FOR_SCOPE(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 3)
5083 #define RANGE_FOR_UNROLL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 4)
5084 #define RANGE_FOR_INIT_STMT(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 5)
5085 #define RANGE_FOR_IVDEP(NODE) TREE_LANG_FLAG_6 (RANGE_FOR_STMT_CHECK (NODE))
5087 #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
5088 #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
5089 #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
5090 #define SWITCH_STMT_SCOPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 3)
5091 /* True if there are case labels for all possible values of switch cond, either
5092 because there is a default: case label or because the case label ranges cover
5094 #define SWITCH_STMT_ALL_CASES_P(NODE) \
5095 TREE_LANG_FLAG_0 (SWITCH_STMT_CHECK (NODE))
5096 /* True if the body of a switch stmt contains no BREAK_STMTs. */
5097 #define SWITCH_STMT_NO_BREAK_P(NODE) \
5098 TREE_LANG_FLAG_2 (SWITCH_STMT_CHECK (NODE))
5100 /* STMT_EXPR accessor. */
5101 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
5103 /* EXPR_STMT accessor. This gives the expression associated with an
5104 expression statement. */
5105 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
5107 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
5108 discard it if it isn't useful. */
5109 #define TARGET_EXPR_IMPLICIT_P(NODE) \
5110 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
5112 /* True if this TARGET_EXPR is the result of list-initialization of a
5114 #define TARGET_EXPR_LIST_INIT_P(NODE) \
5115 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
5117 /* True if this TARGET_EXPR expresses direct-initialization of an object
5118 to be named later. */
5119 #define TARGET_EXPR_DIRECT_INIT_P(NODE) \
5120 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
5122 /* True if NODE is a TARGET_EXPR that just expresses a copy of its INITIAL; if
5123 the initializer has void type, it's doing something more complicated. */
5124 #define SIMPLE_TARGET_EXPR_P(NODE) \
5125 (TREE_CODE (NODE) == TARGET_EXPR \
5126 && !VOID_TYPE_P (TREE_TYPE (TARGET_EXPR_INITIAL (NODE))))
5128 /* True if EXPR expresses direct-initialization of a TYPE. */
5129 #define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
5130 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
5131 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
5133 /* True if this CONVERT_EXPR is for a conversion to virtual base in
5134 an NSDMI, and should be re-evaluated when used in a constructor. */
5135 #define CONVERT_EXPR_VBASE_PATH(NODE) \
5136 TREE_LANG_FLAG_0 (CONVERT_EXPR_CHECK (NODE))
5138 /* True if SIZEOF_EXPR argument is type. */
5139 #define SIZEOF_EXPR_TYPE_P(NODE) \
5140 TREE_LANG_FLAG_0 (SIZEOF_EXPR_CHECK (NODE))
5142 /* True if the ALIGNOF_EXPR was spelled "alignof". */
5143 #define ALIGNOF_EXPR_STD_P(NODE) \
5144 TREE_LANG_FLAG_0 (ALIGNOF_EXPR_CHECK (NODE))
5146 /* OMP_DEPOBJ accessors. These give access to the depobj expression of the
5147 #pragma omp depobj directive and the clauses, respectively. If
5148 OMP_DEPOBJ_CLAUSES is INTEGER_CST, it is instead the update clause kind
5149 or OMP_CLAUSE_DEPEND_LAST for destroy clause. */
5150 #define OMP_DEPOBJ_DEPOBJ(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 0)
5151 #define OMP_DEPOBJ_CLAUSES(NODE) TREE_OPERAND (OMP_DEPOBJ_CHECK (NODE), 1)
5153 /* An enumeration of the kind of tags that C++ accepts. */
5155 none_type
= 0, /* Not a tag type. */
5156 record_type
, /* "struct" types. */
5157 class_type
, /* "class" types. */
5158 union_type
, /* "union" types. */
5159 enum_type
, /* "enum" types. */
5160 typename_type
, /* "typename" types. */
5161 scope_type
/* namespace or tagged type name followed by :: */
5164 /* The various kinds of lvalues we distinguish. */
5165 enum cp_lvalue_kind_flags
{
5166 clk_none
= 0, /* Things that are not an lvalue. */
5167 clk_ordinary
= 1, /* An ordinary lvalue. */
5168 clk_rvalueref
= 2,/* An xvalue (rvalue formed using an rvalue reference) */
5169 clk_class
= 4, /* A prvalue of class or array type. */
5170 clk_bitfield
= 8, /* An lvalue for a bit-field. */
5171 clk_packed
= 16 /* An lvalue for a packed field. */
5174 /* This type is used for parameters and variables which hold
5175 combinations of the flags in enum cp_lvalue_kind_flags. */
5176 typedef int cp_lvalue_kind
;
5178 /* Various kinds of template specialization, instantiation, etc. */
5179 enum tmpl_spec_kind
{
5180 tsk_none
, /* Not a template at all. */
5181 tsk_invalid_member_spec
, /* An explicit member template
5182 specialization, but the enclosing
5183 classes have not all been explicitly
5185 tsk_invalid_expl_inst
, /* An explicit instantiation containing
5186 template parameter lists. */
5187 tsk_excessive_parms
, /* A template declaration with too many
5188 template parameter lists. */
5189 tsk_insufficient_parms
, /* A template declaration with too few
5191 tsk_template
, /* A template declaration. */
5192 tsk_expl_spec
, /* An explicit specialization. */
5193 tsk_expl_inst
/* An explicit instantiation. */
5196 /* The various kinds of access. BINFO_ACCESS depends on these being
5197 two bit quantities. The numerical values are important; they are
5198 used to initialize RTTI data structures, so changing them changes
5201 ak_none
= 0, /* Inaccessible. */
5202 ak_public
= 1, /* Accessible, as a `public' thing. */
5203 ak_protected
= 2, /* Accessible, as a `protected' thing. */
5204 ak_private
= 3 /* Accessible, as a `private' thing. */
5207 /* The various kinds of special functions. If you add to this list,
5208 you should update special_function_p as well. */
5209 enum special_function_kind
{
5210 sfk_none
= 0, /* Not a special function. This enumeral
5211 must have value zero; see
5212 special_function_p. */
5213 /* The following are ordered, for use by member synthesis fns. */
5214 sfk_destructor
, /* A destructor. */
5215 sfk_constructor
, /* A constructor. */
5216 sfk_inheriting_constructor
, /* An inheriting constructor */
5217 sfk_copy_constructor
, /* A copy constructor. */
5218 sfk_move_constructor
, /* A move constructor. */
5219 sfk_copy_assignment
, /* A copy assignment operator. */
5220 sfk_move_assignment
, /* A move assignment operator. */
5221 /* The following are unordered. */
5222 sfk_complete_destructor
, /* A destructor for complete objects. */
5223 sfk_base_destructor
, /* A destructor for base subobjects. */
5224 sfk_deleting_destructor
, /* A destructor for complete objects that
5225 deletes the object after it has been
5227 sfk_conversion
, /* A conversion operator. */
5228 sfk_deduction_guide
, /* A class template deduction guide. */
5229 sfk_comparison
, /* A comparison operator (e.g. ==, <, <=>). */
5230 sfk_virtual_destructor
/* Used by member synthesis fns. */
5233 /* The various kinds of linkage. From [basic.link],
5235 A name is said to have linkage when it might denote the same
5236 object, reference, function, type, template, namespace or value
5237 as a name introduced in another scope:
5239 -- When a name has external linkage, the entity it denotes can
5240 be referred to from scopes of other translation units or from
5241 other scopes of the same translation unit.
5243 -- When a name has internal linkage, the entity it denotes can
5244 be referred to by names from other scopes in the same
5247 -- When a name has no linkage, the entity it denotes cannot be
5248 referred to by names from other scopes. */
5251 lk_none
, /* No linkage. */
5252 lk_internal
, /* Internal linkage. */
5253 lk_external
/* External linkage. */
5256 enum duration_kind
{
5263 /* Bitmask flags to control type substitution. */
5265 tf_none
= 0, /* nothing special */
5266 tf_error
= 1 << 0, /* give error messages */
5267 tf_warning
= 1 << 1, /* give warnings too */
5268 tf_ignore_bad_quals
= 1 << 2, /* ignore bad cvr qualifiers */
5269 tf_keep_type_decl
= 1 << 3, /* retain typedef type decls
5270 (make_typename_type use) */
5271 tf_ptrmem_ok
= 1 << 4, /* pointers to member ok (internal
5272 instantiate_type use) */
5273 tf_user
= 1 << 5, /* found template must be a user template
5274 (lookup_template_class use) */
5275 tf_conv
= 1 << 6, /* We are determining what kind of
5276 conversion might be permissible,
5277 not actually performing the
5279 tf_decltype
= 1 << 7, /* We are the operand of decltype.
5280 Used to implement the special rules
5281 for calls in decltype (5.2.2/11). */
5282 tf_partial
= 1 << 8, /* Doing initial explicit argument
5283 substitution in fn_type_unification. */
5284 tf_fndecl_type
= 1 << 9, /* Substituting the type of a function
5286 tf_no_cleanup
= 1 << 10, /* Do not build a cleanup
5287 (build_target_expr and friends) */
5288 tf_norm
= 1 << 11, /* Build diagnostic information during
5289 constraint normalization. */
5290 /* Convenient substitution flags combinations. */
5291 tf_warning_or_error
= tf_warning
| tf_error
5294 /* This type is used for parameters and variables which hold
5295 combinations of the flags in enum tsubst_flags. */
5296 typedef int tsubst_flags_t
;
5298 /* The kind of checking we can do looking in a class hierarchy. */
5299 enum base_access_flags
{
5300 ba_any
= 0, /* Do not check access, allow an ambiguous base,
5301 prefer a non-virtual base */
5302 ba_unique
= 1 << 0, /* Must be a unique base. */
5303 ba_check_bit
= 1 << 1, /* Check access. */
5304 ba_check
= ba_unique
| ba_check_bit
,
5305 ba_ignore_scope
= 1 << 2 /* Ignore access allowed by local scope. */
5308 /* This type is used for parameters and variables which hold
5309 combinations of the flags in enum base_access_flags. */
5310 typedef int base_access
;
5312 /* The various kinds of access check during parsing. */
5313 enum deferring_kind
{
5314 dk_no_deferred
= 0, /* Check access immediately */
5315 dk_deferred
= 1, /* Deferred check */
5316 dk_no_check
= 2 /* No access check */
5319 /* The kind of base we can find, looking in a class hierarchy.
5320 Values <0 indicate we failed. */
5322 bk_inaccessible
= -3, /* The base is inaccessible */
5323 bk_ambig
= -2, /* The base is ambiguous */
5324 bk_not_base
= -1, /* It is not a base */
5325 bk_same_type
= 0, /* It is the same type */
5326 bk_proper_base
= 1, /* It is a proper base */
5327 bk_via_virtual
= 2 /* It is a proper base, but via a virtual
5328 path. This might not be the canonical
5332 /* Node for "pointer to (virtual) function".
5333 This may be distinct from ptr_type_node so gdb can distinguish them. */
5334 #define vfunc_ptr_type_node vtable_entry_type
5337 /* For building calls to `delete'. */
5338 extern GTY(()) tree integer_two_node
;
5340 /* The number of function bodies which we are currently processing.
5341 (Zero if we are at namespace scope, one inside the body of a
5342 function, two inside the body of a function in a local class, etc.) */
5343 extern int function_depth
;
5345 /* Nonzero if we are inside eq_specializations, which affects comparison of
5346 PARM_DECLs in cp_tree_equal. */
5347 extern int comparing_specializations
;
5351 /* Nonzero if we are parsing an unevaluated operand: an operand to
5352 sizeof, typeof, or alignof. This is a count since operands to
5353 sizeof can be nested. */
5355 extern int cp_unevaluated_operand
;
5357 /* RAII class used to inhibit the evaluation of operands during parsing
5358 and template instantiation. Evaluation warnings are also inhibited. */
5360 class cp_unevaluated
5367 /* The reverse: an RAII class used for nested contexts that are evaluated even
5368 if the enclosing context is not. */
5376 : uneval(cp_unevaluated_operand
), inhibit(c_inhibit_evaluation_warnings
)
5377 { cp_unevaluated_operand
= c_inhibit_evaluation_warnings
= 0; }
5379 { cp_unevaluated_operand
= uneval
;
5380 c_inhibit_evaluation_warnings
= inhibit
; }
5385 /* These values are used for the `STRICT' parameter to type_unification and
5386 fn_type_unification. Their meanings are described with the
5387 documentation for fn_type_unification. */
5389 enum unification_kind_t
{
5395 // An RAII class used to create a new pointer map for local
5396 // specializations. When the stack goes out of scope, the
5397 // previous pointer map is restored.
5398 enum lss_policy
{ lss_blank
, lss_copy
};
5399 class local_specialization_stack
5402 local_specialization_stack (lss_policy
= lss_blank
);
5403 ~local_specialization_stack ();
5405 hash_map
<tree
, tree
> *saved
;
5410 extern int current_class_depth
;
5414 /* An array of static vars & fns. */
5415 extern GTY(()) vec
<tree
, va_gc
> *static_decls
;
5417 /* An array of vtable-needing types that have no key function, or have
5418 an emitted key function. */
5419 extern GTY(()) vec
<tree
, va_gc
> *keyed_classes
;
5421 /* Here's where we control how name mangling takes place. */
5423 /* Cannot use '$' up front, because this confuses gdb
5424 (names beginning with '$' are gdb-local identifiers).
5426 Note that all forms in which the '$' is significant are long enough
5427 for direct indexing (meaning that if we know there is a '$'
5428 at a particular location, we can index into the string at
5429 any other location that provides distinguishing characters). */
5431 /* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler
5432 doesn't allow '.' in symbol names. */
5433 #ifndef NO_DOT_IN_LABEL
5437 #define AUTO_TEMP_NAME "_.tmp_"
5438 #define VFIELD_BASE ".vf"
5439 #define VFIELD_NAME "_vptr."
5440 #define VFIELD_NAME_FORMAT "_vptr.%s"
5442 #else /* NO_DOT_IN_LABEL */
5444 #ifndef NO_DOLLAR_IN_LABEL
5448 #define AUTO_TEMP_NAME "_$tmp_"
5449 #define VFIELD_BASE "$vf"
5450 #define VFIELD_NAME "_vptr$"
5451 #define VFIELD_NAME_FORMAT "_vptr$%s"
5453 #else /* NO_DOLLAR_IN_LABEL */
5455 #define VTABLE_NAME "__vt_"
5456 #define VTABLE_NAME_P(ID_NODE) \
5457 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
5458 sizeof (VTABLE_NAME) - 1))
5459 #define VFIELD_BASE "__vfb"
5460 #define VFIELD_NAME "__vptr_"
5461 #define VFIELD_NAME_P(ID_NODE) \
5462 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
5463 sizeof (VFIELD_NAME) - 1))
5464 #define VFIELD_NAME_FORMAT "__vptr_%s"
5466 #endif /* NO_DOLLAR_IN_LABEL */
5467 #endif /* NO_DOT_IN_LABEL */
5469 #define UDLIT_OP_ANSI_PREFIX "operator\"\""
5470 #define UDLIT_OP_ANSI_FORMAT UDLIT_OP_ANSI_PREFIX "%s"
5471 #define UDLIT_OP_MANGLED_PREFIX "li"
5472 #define UDLIT_OP_MANGLED_FORMAT UDLIT_OP_MANGLED_PREFIX "%s"
5473 #define UDLIT_OPER_P(ID_NODE) \
5474 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
5475 UDLIT_OP_ANSI_PREFIX, \
5476 sizeof (UDLIT_OP_ANSI_PREFIX) - 1))
5477 #define UDLIT_OP_SUFFIX(ID_NODE) \
5478 (IDENTIFIER_POINTER (ID_NODE) + sizeof (UDLIT_OP_ANSI_PREFIX) - 1)
5480 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
5482 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
5483 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
5484 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
5486 #define VFIELD_NAME_P(ID_NODE) \
5487 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
5489 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
5492 /* Nonzero if we're done parsing and into end-of-file activities.
5493 Two if we're done with front-end processing. */
5497 /* True if note_mangling_alias should enqueue mangling aliases for
5498 later generation, rather than emitting them right away. */
5500 extern bool defer_mangling_aliases
;
5502 /* True if noexcept is part of the type (i.e. in C++17). */
5504 extern bool flag_noexcept_type
;
5506 /* A list of namespace-scope objects which have constructors or
5507 destructors which reside in the global scope. The decl is stored
5508 in the TREE_VALUE slot and the initializer is stored in the
5509 TREE_PURPOSE slot. */
5510 extern GTY(()) tree static_aggregates
;
5511 /* Likewise, for thread local storage. */
5512 extern GTY(()) tree tls_aggregates
;
5514 enum overload_flags
{ NO_SPECIAL
= 0, DTOR_FLAG
, TYPENAME_FLAG
};
5516 /* These are uses as bits in flags passed to various functions to
5517 control their behavior. Despite the LOOKUP_ prefix, many of these
5518 do not control name lookup. ??? Functions using these flags should
5519 probably be modified to accept explicit boolean flags for the
5520 behaviors relevant to them. */
5521 /* Check for access violations. */
5522 #define LOOKUP_PROTECT (1 << 0)
5523 #define LOOKUP_NORMAL (LOOKUP_PROTECT)
5524 /* Even if the function found by lookup is a virtual function, it
5525 should be called directly. */
5526 #define LOOKUP_NONVIRTUAL (1 << 1)
5527 /* Non-converting (i.e., "explicit") constructors are not tried. This flag
5528 indicates that we are not performing direct-initialization. */
5529 #define LOOKUP_ONLYCONVERTING (1 << 2)
5530 #define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING)
5531 /* If a temporary is created, it should be created so that it lives
5532 as long as the current variable bindings; otherwise it only lives
5533 until the end of the complete-expression. It also forces
5534 direct-initialization in cases where other parts of the compiler
5535 have already generated a temporary, such as reference
5536 initialization and the catch parameter. */
5537 #define DIRECT_BIND (1 << 3)
5538 /* We're performing a user-defined conversion, so more user-defined
5539 conversions are not permitted (only built-in conversions). */
5540 #define LOOKUP_NO_CONVERSION (1 << 4)
5541 /* The user has explicitly called a destructor. (Therefore, we do
5542 not need to check that the object is non-NULL before calling the
5544 #define LOOKUP_DESTRUCTOR (1 << 5)
5545 /* Do not permit references to bind to temporaries. */
5546 #define LOOKUP_NO_TEMP_BIND (1 << 6)
5547 /* Do not accept objects, and possibly namespaces. */
5548 #define LOOKUP_PREFER_TYPES (1 << 7)
5549 /* Do not accept objects, and possibly types. */
5550 #define LOOKUP_PREFER_NAMESPACES (1 << 8)
5551 /* Accept types or namespaces. */
5552 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
5553 /* Return friend declarations and un-declared builtin functions.
5554 (Normally, these entities are registered in the symbol table, but
5555 not found by lookup.) */
5556 #define LOOKUP_HIDDEN (LOOKUP_PREFER_NAMESPACES << 1)
5557 /* We're trying to treat an lvalue as an rvalue. */
5558 #define LOOKUP_PREFER_RVALUE (LOOKUP_HIDDEN << 1)
5559 /* We're inside an init-list, so narrowing conversions are ill-formed. */
5560 #define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
5561 /* We're looking up a constructor for list-initialization. */
5562 #define LOOKUP_LIST_INIT_CTOR (LOOKUP_NO_NARROWING << 1)
5563 /* This is the first parameter of a copy constructor. */
5564 #define LOOKUP_COPY_PARM (LOOKUP_LIST_INIT_CTOR << 1)
5565 /* We only want to consider list constructors. */
5566 #define LOOKUP_LIST_ONLY (LOOKUP_COPY_PARM << 1)
5567 /* Return after determining which function to call and checking access.
5568 Used by sythesized_method_walk to determine which functions will
5569 be called to initialize subobjects, in order to determine exception
5570 specification and possible implicit delete.
5571 This is kind of a hack, but exiting early avoids problems with trying
5572 to perform argument conversions when the class isn't complete yet. */
5573 #define LOOKUP_SPECULATIVE (LOOKUP_LIST_ONLY << 1)
5574 /* Used by calls from defaulted functions to limit the overload set to avoid
5575 cycles trying to declare them (core issue 1092). */
5576 #define LOOKUP_DEFAULTED (LOOKUP_SPECULATIVE << 1)
5577 /* Used in calls to store_init_value to suppress its usual call to
5579 #define LOOKUP_ALREADY_DIGESTED (LOOKUP_DEFAULTED << 1)
5580 /* An instantiation with explicit template arguments. */
5581 #define LOOKUP_EXPLICIT_TMPL_ARGS (LOOKUP_ALREADY_DIGESTED << 1)
5582 /* Like LOOKUP_NO_TEMP_BIND, but also prevent binding to xvalues. */
5583 #define LOOKUP_NO_RVAL_BIND (LOOKUP_EXPLICIT_TMPL_ARGS << 1)
5584 /* Used by case_conversion to disregard non-integral conversions. */
5585 #define LOOKUP_NO_NON_INTEGRAL (LOOKUP_NO_RVAL_BIND << 1)
5586 /* Used for delegating constructors in order to diagnose self-delegation. */
5587 #define LOOKUP_DELEGATING_CONS (LOOKUP_NO_NON_INTEGRAL << 1)
5588 /* Allow initialization of a flexible array members. */
5589 #define LOOKUP_ALLOW_FLEXARRAY_INIT (LOOKUP_DELEGATING_CONS << 1)
5590 /* Require constant initialization of a non-constant variable. */
5591 #define LOOKUP_CONSTINIT (LOOKUP_ALLOW_FLEXARRAY_INIT << 1)
5592 /* We're looking for either a rewritten comparison operator candidate or the
5593 operator to use on the former's result. We distinguish between the two by
5594 knowing that comparisons other than == and <=> must be the latter, as must
5595 a <=> expression trying to rewrite to <=> without reversing. */
5596 #define LOOKUP_REWRITTEN (LOOKUP_CONSTINIT << 1)
5597 /* Reverse the order of the two arguments for comparison rewriting. First we
5598 swap the arguments in add_operator_candidates, then we swap the conversions
5599 in add_candidate (so that they correspond to the original order of the
5600 args), then we swap the conversions back in build_new_op_1 (so they
5601 correspond to the order of the args in the candidate). */
5602 #define LOOKUP_REVERSED (LOOKUP_REWRITTEN << 1)
5603 /* We're initializing an aggregate from a parenthesized list of values. */
5604 #define LOOKUP_AGGREGATE_PAREN_INIT (LOOKUP_REVERSED << 1)
5606 #define LOOKUP_NAMESPACES_ONLY(F) \
5607 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
5608 #define LOOKUP_TYPES_ONLY(F) \
5609 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
5610 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
5613 /* These flags are used by the conversion code.
5614 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
5615 CONV_STATIC : Perform the explicit conversions for static_cast.
5616 CONV_CONST : Perform the explicit conversions for const_cast.
5617 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
5618 CONV_PRIVATE : Perform upcasts to private bases.
5619 CONV_FORCE_TEMP : Require a new temporary when converting to the same
5622 #define CONV_IMPLICIT 1
5623 #define CONV_STATIC 2
5624 #define CONV_CONST 4
5625 #define CONV_REINTERPRET 8
5626 #define CONV_PRIVATE 16
5627 #define CONV_FORCE_TEMP 32
5628 #define CONV_FOLD 64
5629 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5631 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
5632 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
5633 #define CONV_BACKEND_CONVERT (CONV_OLD_CONVERT | CONV_FOLD)
5635 /* Used by build_expr_type_conversion to indicate which types are
5636 acceptable as arguments to the expression under consideration. */
5638 #define WANT_INT 1 /* integer types, including bool */
5639 #define WANT_FLOAT 2 /* floating point types */
5640 #define WANT_ENUM 4 /* enumerated types */
5641 #define WANT_POINTER 8 /* pointer types */
5642 #define WANT_NULL 16 /* null pointer constant */
5643 #define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */
5644 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX)
5646 /* Used with comptypes, and related functions, to guide type
5649 #define COMPARE_STRICT 0 /* Just check if the types are the
5651 #define COMPARE_BASE 1 /* Check to see if the second type is
5652 derived from the first. */
5653 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
5655 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
5656 another declaration of an existing
5658 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
5659 structural. The actual comparison
5660 will be identical to
5663 /* Used with start function. */
5664 #define SF_DEFAULT 0 /* No flags. */
5665 #define SF_PRE_PARSED 1 /* The function declaration has
5666 already been parsed. */
5667 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
5668 in the class body. */
5670 /* Used with start_decl's initialized parameter. */
5671 #define SD_UNINITIALIZED 0
5672 #define SD_INITIALIZED 1
5673 #define SD_DEFAULTED 2
5674 #define SD_DELETED 3
5676 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
5677 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
5678 class derived from the type pointed to (referred to) by TYPE1. */
5679 #define same_or_base_type_p(TYPE1, TYPE2) \
5680 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
5682 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
5683 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
5684 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
5685 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
5686 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
5687 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
5688 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
5689 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
5690 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
5691 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
5693 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
5694 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
5695 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
5696 (TYPE_VALUES_RAW (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, \
5697 TEMPLATE_TEMPLATE_PARM, \
5698 BOUND_TEMPLATE_TEMPLATE_PARM)))
5699 #define TEMPLATE_TYPE_IDX(NODE) \
5700 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5701 #define TEMPLATE_TYPE_LEVEL(NODE) \
5702 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5703 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
5704 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5705 #define TEMPLATE_TYPE_DECL(NODE) \
5706 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5707 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
5708 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
5710 /* For a C++17 class deduction placeholder, the template it represents. */
5711 #define CLASS_PLACEHOLDER_TEMPLATE(NODE) \
5712 (DECL_INITIAL (TYPE_NAME (TEMPLATE_TYPE_PARM_CHECK (NODE))))
5714 /* Contexts in which auto deduction occurs. These flags are
5715 used to control diagnostics in do_auto_deduction. */
5717 enum auto_deduction_context
5719 adc_unspecified
, /* Not given */
5720 adc_variable_type
, /* Variable initializer deduction */
5721 adc_return_type
, /* Return type deduction */
5722 adc_unify
, /* Template argument deduction */
5723 adc_requirement
, /* Argument deduction constraint */
5724 adc_decomp_type
/* Decomposition declaration initializer deduction */
5727 /* True if this type-parameter belongs to a class template, used by C++17
5728 class template argument deduction. */
5729 #define TEMPLATE_TYPE_PARM_FOR_CLASS(NODE) \
5730 (TREE_LANG_FLAG_0 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
5732 /* True iff this TEMPLATE_TYPE_PARM represents decltype(auto). */
5733 #define AUTO_IS_DECLTYPE(NODE) \
5734 (TYPE_LANG_FLAG_5 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
5736 /* These constants can used as bit flags in the process of tree formatting.
5738 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
5739 TFF_SCOPE: include the class and namespace scope of the name.
5740 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
5741 TFF_DECL_SPECIFIERS: print decl-specifiers.
5742 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
5743 a class-key (resp. `enum').
5744 TFF_RETURN_TYPE: include function return type.
5745 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
5746 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
5747 TFF_TEMPLATE_HEADER: show the template<...> header in a
5748 template-declaration.
5749 TFF_TEMPLATE_NAME: show only template-name.
5750 TFF_EXPR_IN_PARENS: parenthesize expressions.
5751 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
5752 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
5754 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments
5755 identical to their defaults.
5756 TFF_NO_TEMPLATE_BINDINGS: do not print information about the template
5757 arguments for a function template specialization.
5758 TFF_POINTER: we are printing a pointer type. */
5760 #define TFF_PLAIN_IDENTIFIER (0)
5761 #define TFF_SCOPE (1)
5762 #define TFF_CHASE_TYPEDEF (1 << 1)
5763 #define TFF_DECL_SPECIFIERS (1 << 2)
5764 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
5765 #define TFF_RETURN_TYPE (1 << 4)
5766 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
5767 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
5768 #define TFF_TEMPLATE_HEADER (1 << 7)
5769 #define TFF_TEMPLATE_NAME (1 << 8)
5770 #define TFF_EXPR_IN_PARENS (1 << 9)
5771 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
5772 #define TFF_UNQUALIFIED_NAME (1 << 11)
5773 #define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12)
5774 #define TFF_NO_TEMPLATE_BINDINGS (1 << 13)
5775 #define TFF_POINTER (1 << 14)
5777 /* These constants can be used as bit flags to control strip_typedefs.
5779 STF_USER_VISIBLE: use heuristics to try to avoid stripping user-facing
5780 aliases of internal details. This is intended for diagnostics,
5781 where it should (for example) give more useful "aka" types.
5783 STF_STRIP_DEPENDENT: allow the stripping of aliases with dependent
5784 template parameters, relying on code elsewhere to report any
5785 appropriate diagnostics. */
5786 const unsigned int STF_USER_VISIBLE
= 1U;
5787 const unsigned int STF_STRIP_DEPENDENT
= 1U << 1;
5789 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
5791 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
5792 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
5793 ? TYPE_TI_TEMPLATE (NODE) \
5798 extern void init_reswords (void);
5800 /* Various flags for the overloaded operator information. */
5803 OVL_OP_FLAG_NONE
= 0, /* Don't care. */
5804 OVL_OP_FLAG_UNARY
= 1, /* Is unary. */
5805 OVL_OP_FLAG_BINARY
= 2, /* Is binary. */
5806 OVL_OP_FLAG_AMBIARY
= 3, /* May be unary or binary. */
5807 OVL_OP_FLAG_ALLOC
= 4, /* operator new or delete. */
5808 OVL_OP_FLAG_DELETE
= 1, /* operator delete. */
5809 OVL_OP_FLAG_VEC
= 2 /* vector new or delete. */
5812 /* Compressed operator codes. Order is determined by operators.def
5813 and does not match that of tree_codes. */
5818 #define DEF_OPERATOR(NAME, CODE, MANGLING, FLAGS) OVL_OP_##CODE,
5819 #define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING) /* NOTHING */
5820 #include "operators.def"
5824 struct GTY(()) ovl_op_info_t
{
5825 /* The IDENTIFIER_NODE for the operator. */
5827 /* The name of the operator. */
5829 /* The mangled name of the operator. */
5830 const char *mangled_name
;
5831 /* The (regular) tree code. */
5832 enum tree_code tree_code
: 16;
5833 /* The (compressed) operator code. */
5834 enum ovl_op_code ovl_op_code
: 8;
5835 /* The ovl_op_flags of the operator */
5839 /* Overloaded operator info indexed by ass_op_p & ovl_op_code. */
5840 extern GTY(()) ovl_op_info_t ovl_op_info
[2][OVL_OP_MAX
];
5841 /* Mapping from tree_codes to ovl_op_codes. */
5842 extern GTY(()) unsigned char ovl_op_mapping
[MAX_TREE_CODES
];
5843 /* Mapping for ambi-ary operators from the binary to the unary. */
5844 extern GTY(()) unsigned char ovl_op_alternate
[OVL_OP_MAX
];
5846 /* Given an ass_op_p boolean and a tree code, return a pointer to its
5847 overloaded operator info. Tree codes for non-overloaded operators
5848 map to the error-operator. */
5849 #define OVL_OP_INFO(IS_ASS_P, TREE_CODE) \
5850 (&ovl_op_info[(IS_ASS_P) != 0][ovl_op_mapping[(TREE_CODE)]])
5851 /* Overloaded operator info for an identifier for which
5852 IDENTIFIER_OVL_OP_P is true. */
5853 #define IDENTIFIER_OVL_OP_INFO(NODE) \
5854 (&ovl_op_info[IDENTIFIER_KIND_BIT_0 (NODE)][IDENTIFIER_CP_INDEX (NODE)])
5855 #define IDENTIFIER_OVL_OP_FLAGS(NODE) \
5856 (IDENTIFIER_OVL_OP_INFO (NODE)->flags)
5858 inline tree
ovl_op_identifier (bool isass
, tree_code code
)
5859 { return OVL_OP_INFO(isass
, code
)->identifier
; }
5860 inline tree
ovl_op_identifier (tree_code code
) { return ovl_op_identifier (false, code
); }
5861 #define assign_op_identifier (ovl_op_info[true][OVL_OP_NOP_EXPR].identifier)
5862 #define call_op_identifier (ovl_op_info[false][OVL_OP_CALL_EXPR].identifier)
5864 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
5867 typedef int cp_cv_quals
;
5869 /* Non-static member functions have an optional virt-specifier-seq.
5870 There is a VIRT_SPEC value for each virt-specifier.
5871 They can be combined by bitwise-or to form the complete set of
5872 virt-specifiers for a member function. */
5875 VIRT_SPEC_UNSPECIFIED
= 0x0,
5876 VIRT_SPEC_FINAL
= 0x1,
5877 VIRT_SPEC_OVERRIDE
= 0x2
5880 /* A type-qualifier, or bitmask therefore, using the VIRT_SPEC
5883 typedef int cp_virt_specifiers
;
5885 /* Wherever there is a function-cv-qual, there could also be a ref-qualifier:
5888 The return type, the parameter-type-list, the ref-qualifier, and
5889 the cv-qualifier-seq, but not the default arguments or the exception
5890 specification, are part of the function type.
5892 REF_QUAL_NONE Ordinary member function with no ref-qualifier
5893 REF_QUAL_LVALUE Member function with the &-ref-qualifier
5894 REF_QUAL_RVALUE Member function with the &&-ref-qualifier */
5896 enum cp_ref_qualifier
{
5898 REF_QUAL_LVALUE
= 1,
5902 /* A storage class. */
5904 enum cp_storage_class
{
5905 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
5906 sets the storage_class field to sc_none. */
5915 /* An individual decl-specifier. This is used to index the array of
5916 locations for the declspecs in struct cp_decl_specifier_seq
5921 ds_signed
= ds_first
,
5940 ds_redefined_builtin_type_spec
,
5946 ds_last
/* This enumerator must always be the last one. */
5949 /* A decl-specifier-seq. */
5951 struct cp_decl_specifier_seq
{
5952 /* An array of locations for the declaration sepecifiers, indexed by
5953 enum cp_decl_spec_word. */
5954 location_t locations
[ds_last
];
5955 /* The primary type, if any, given by the decl-specifier-seq.
5956 Modifiers, like "short", "const", and "unsigned" are not
5957 reflected here. This field will be a TYPE, unless a typedef-name
5958 was used, in which case it will be a TYPE_DECL. */
5960 /* The attributes, if any, provided with the specifier sequence. */
5962 /* The c++11 attributes that follows the type specifier. */
5963 tree std_attributes
;
5964 /* If non-NULL, a built-in type that the user attempted to redefine
5965 to some other type. */
5966 tree redefined_builtin_type
;
5967 /* The explicit-specifier, if any. */
5968 tree explicit_specifier
;
5969 /* The storage class specified -- or sc_none if no storage class was
5970 explicitly specified. */
5971 cp_storage_class storage_class
;
5972 /* For the __intN declspec, this stores the index into the int_n_* arrays. */
5974 /* True iff TYPE_SPEC defines a class or enum. */
5975 BOOL_BITFIELD type_definition_p
: 1;
5976 /* True iff multiple types were (erroneously) specified for this
5977 decl-specifier-seq. */
5978 BOOL_BITFIELD multiple_types_p
: 1;
5979 /* True iff multiple storage classes were (erroneously) specified
5980 for this decl-specifier-seq or a combination of a storage class
5981 with a typedef specifier. */
5982 BOOL_BITFIELD conflicting_specifiers_p
: 1;
5983 /* True iff at least one decl-specifier was found. */
5984 BOOL_BITFIELD any_specifiers_p
: 1;
5985 /* True iff at least one type-specifier was found. */
5986 BOOL_BITFIELD any_type_specifiers_p
: 1;
5987 /* True iff "int" was explicitly provided. */
5988 BOOL_BITFIELD explicit_int_p
: 1;
5989 /* True iff "__intN" was explicitly provided. */
5990 BOOL_BITFIELD explicit_intN_p
: 1;
5991 /* True iff "char" was explicitly provided. */
5992 BOOL_BITFIELD explicit_char_p
: 1;
5993 /* True iff ds_thread is set for __thread, not thread_local. */
5994 BOOL_BITFIELD gnu_thread_keyword_p
: 1;
5995 /* True iff the type is a decltype. */
5996 BOOL_BITFIELD decltype_p
: 1;
5997 /* True iff the alternate "__intN__" form of the __intN type has been
5999 BOOL_BITFIELD int_n_alt
: 1;
6002 /* The various kinds of declarators. */
6004 enum cp_declarator_kind
{
6017 typedef struct cp_declarator cp_declarator
;
6019 typedef struct cp_parameter_declarator cp_parameter_declarator
;
6021 /* A parameter, before it has been semantically analyzed. */
6022 struct cp_parameter_declarator
{
6023 /* The next parameter, or NULL_TREE if none. */
6024 cp_parameter_declarator
*next
;
6025 /* The decl-specifiers-seq for the parameter. */
6026 cp_decl_specifier_seq decl_specifiers
;
6027 /* The declarator for the parameter. */
6028 cp_declarator
*declarator
;
6029 /* The default-argument expression, or NULL_TREE, if none. */
6030 tree default_argument
;
6031 /* True iff this is a template parameter pack. */
6032 bool template_parameter_pack_p
;
6033 /* Location within source. */
6038 struct cp_declarator
{
6039 /* The kind of declarator. */
6040 ENUM_BITFIELD (cp_declarator_kind
) kind
: 4;
6041 /* Whether we parsed an ellipsis (`...') just before the declarator,
6042 to indicate this is a parameter pack. */
6043 BOOL_BITFIELD parameter_pack_p
: 1;
6044 /* If this declarator is parenthesized, this the open-paren. It is
6045 UNKNOWN_LOCATION when not parenthesized. */
6046 location_t parenthesized
;
6048 location_t id_loc
; /* Currently only set for cdk_id, cdk_decomp and
6050 /* GNU Attributes that apply to this declarator. If the declarator
6051 is a pointer or a reference, these attribute apply to the type
6054 /* Standard C++11 attributes that apply to this declarator. If the
6055 declarator is a pointer or a reference, these attributes apply
6056 to the pointer, rather than to the type pointed to. */
6057 tree std_attributes
;
6058 /* For all but cdk_id, cdk_decomp and cdk_error, the contained declarator.
6059 For cdk_id, cdk_decomp and cdk_error, guaranteed to be NULL. */
6060 cp_declarator
*declarator
;
6062 /* For identifiers. */
6064 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
6065 *_TYPE) for this identifier. */
6066 tree qualifying_scope
;
6067 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
6068 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
6069 tree unqualified_name
;
6070 /* If this is the name of a function, what kind of special
6071 function (if any). */
6072 special_function_kind sfk
;
6074 /* For functions. */
6076 /* The parameters to the function as a TREE_LIST of decl/default. */
6078 /* The cv-qualifiers for the function. */
6079 cp_cv_quals qualifiers
;
6080 /* The virt-specifiers for the function. */
6081 cp_virt_specifiers virt_specifiers
;
6082 /* The ref-qualifier for the function. */
6083 cp_ref_qualifier ref_qualifier
;
6084 /* The transaction-safety qualifier for the function. */
6086 /* The exception-specification for the function. */
6087 tree exception_specification
;
6088 /* The late-specified return type, if any. */
6089 tree late_return_type
;
6090 /* The trailing requires-clause, if any. */
6091 tree requires_clause
;
6095 /* The bounds to the array. */
6098 /* For cdk_pointer and cdk_ptrmem. */
6100 /* The cv-qualifiers for the pointer. */
6101 cp_cv_quals qualifiers
;
6102 /* For cdk_ptrmem, the class type containing the member. */
6105 /* For cdk_reference */
6107 /* The cv-qualifiers for the reference. These qualifiers are
6108 only used to diagnose ill-formed code. */
6109 cp_cv_quals qualifiers
;
6110 /* Whether this is an rvalue reference */
6116 /* A level of template instantiation. */
6117 struct GTY((chain_next ("%h.next"))) tinst_level
{
6118 /* The immediately deeper level in the chain. */
6119 struct tinst_level
*next
;
6121 /* The original node. TLDCL can be a DECL (for a function or static
6122 data member), a TYPE (for a class), depending on what we were
6123 asked to instantiate, or a TREE_LIST with the template as PURPOSE
6124 and the template args as VALUE, if we are substituting for
6125 overload resolution. In all these cases, TARGS is NULL.
6126 However, to avoid creating TREE_LIST objects for substitutions if
6127 we can help, we store PURPOSE and VALUE in TLDCL and TARGS,
6128 respectively. So TLDCL stands for TREE_LIST or DECL (the
6129 template is a DECL too), whereas TARGS stands for the template
6134 /* Return TRUE iff the original node is a split list. */
6135 bool split_list_p () const { return targs
; }
6137 /* Return TRUE iff the original node is a TREE_LIST object. */
6138 bool tree_list_p () const
6140 return !split_list_p () && TREE_CODE (tldcl
) == TREE_LIST
;
6143 /* Return TRUE iff the original node is not a list, split or not. */
6144 bool not_list_p () const
6146 return !split_list_p () && !tree_list_p ();
6149 /* Convert (in place) the original node from a split list to a
6154 /* Release storage for OBJ and node, if it's a TREE_LIST. */
6155 static void free (tinst_level
*obj
);
6157 /* Return TRUE iff the original node is a list, split or not. */
6158 bool list_p () const { return !not_list_p (); }
6160 /* Return the original node; if it's a split list, make it a
6161 TREE_LIST first, so that it can be returned as a single tree
6164 if (!split_list_p ()) return tldcl
;
6165 else return to_list ();
6168 /* Return the original node if it's a DECL or a TREE_LIST, but do
6169 NOT convert a split list to a TREE_LIST: return NULL instead. */
6170 tree
maybe_get_node () const {
6171 if (!split_list_p ()) return tldcl
;
6172 else return NULL_TREE
;
6175 /* The location where the template is instantiated. */
6178 /* errorcount + sorrycount when we pushed this level. */
6179 unsigned short errors
;
6181 /* Count references to this object. If refcount reaches
6182 refcount_infinity value, we don't increment or decrement the
6183 refcount anymore, as the refcount isn't accurate anymore.
6184 The object can be still garbage collected if unreferenced from
6185 anywhere, which might keep referenced objects referenced longer than
6186 otherwise necessary. Hitting the infinity is rare though. */
6187 unsigned short refcount
;
6189 /* Infinity value for the above refcount. */
6190 static const unsigned short refcount_infinity
= (unsigned short) ~0;
6193 /* BUILT_IN_FRONTEND function codes. */
6194 enum cp_built_in_function
{
6195 CP_BUILT_IN_IS_CONSTANT_EVALUATED
,
6196 CP_BUILT_IN_INTEGER_PACK
,
6197 CP_BUILT_IN_SOURCE_LOCATION
,
6201 bool decl_spec_seq_has_spec_p (const cp_decl_specifier_seq
*, cp_decl_spec
);
6203 /* Return the type of the `this' parameter of FNTYPE. */
6206 type_of_this_parm (const_tree fntype
)
6208 function_args_iterator iter
;
6209 gcc_assert (TREE_CODE (fntype
) == METHOD_TYPE
);
6210 function_args_iter_init (&iter
, fntype
);
6211 return function_args_iter_cond (&iter
);
6214 /* Return the class of the `this' parameter of FNTYPE. */
6217 class_of_this_parm (const_tree fntype
)
6219 return TREE_TYPE (type_of_this_parm (fntype
));
6222 /* A parameter list indicating for a function with no parameters,
6223 e.g "int f(void)". */
6224 extern cp_parameter_declarator
*no_parameters
;
6226 /* Various dump ids. */
6227 extern int class_dump_id
;
6228 extern int raw_dump_id
;
6231 extern bool check_dtor_name (tree
, tree
);
6232 int magic_varargs_p (tree
);
6234 extern tree
build_conditional_expr (const op_location_t
&,
6237 extern tree
build_addr_func (tree
, tsubst_flags_t
);
6238 extern void set_flags_from_callee (tree
);
6239 extern tree
build_call_a (tree
, int, tree
*);
6240 extern tree
build_call_n (tree
, int, ...);
6241 extern bool null_ptr_cst_p (tree
);
6242 extern bool null_member_pointer_value_p (tree
);
6243 extern bool sufficient_parms_p (const_tree
);
6244 extern tree
type_decays_to (tree
);
6245 extern tree
extract_call_expr (tree
);
6246 extern tree
build_trivial_dtor_call (tree
);
6247 extern tree
build_user_type_conversion (tree
, tree
, int,
6249 extern tree
build_new_function_call (tree
, vec
<tree
, va_gc
> **,
6251 extern tree
build_operator_new_call (tree
, vec
<tree
, va_gc
> **,
6252 tree
*, tree
*, tree
, tree
,
6253 tree
*, tsubst_flags_t
);
6254 extern tree
build_new_method_call (tree
, tree
,
6255 vec
<tree
, va_gc
> **, tree
,
6256 int, tree
*, tsubst_flags_t
);
6257 extern tree
build_special_member_call (tree
, tree
,
6258 vec
<tree
, va_gc
> **,
6259 tree
, int, tsubst_flags_t
);
6260 extern tree
build_new_op (const op_location_t
&,
6262 int, tree
, tree
, tree
, tree
*,
6264 extern tree
build_op_call (tree
, vec
<tree
, va_gc
> **,
6266 extern bool aligned_allocation_fn_p (tree
);
6267 extern tree
destroying_delete_p (tree
);
6268 extern bool usual_deallocation_fn_p (tree
);
6269 extern tree
build_op_delete_call (enum tree_code
, tree
, tree
,
6272 extern bool can_convert (tree
, tree
, tsubst_flags_t
);
6273 extern bool can_convert_standard (tree
, tree
, tsubst_flags_t
);
6274 extern bool can_convert_arg (tree
, tree
, tree
, int,
6276 extern bool can_convert_arg_bad (tree
, tree
, tree
, int,
6278 extern int conv_flags (int, int, tree
, tree
, int);
6279 extern struct conversion
* good_conversion (tree
, tree
, tree
, int, tsubst_flags_t
);
6280 extern location_t
get_fndecl_argument_location (tree
, int);
6281 extern void complain_about_bad_argument (location_t arg_loc
,
6282 tree from_type
, tree to_type
,
6283 tree fndecl
, int parmnum
);
6284 extern void maybe_inform_about_fndecl_for_bogus_argument_init (tree
, int);
6287 /* A class for recording information about access failures (e.g. private
6288 fields), so that we can potentially supply a fix-it hint about
6289 an accessor (from a context in which the constness of the object
6292 class access_failure_info
6295 access_failure_info () : m_was_inaccessible (false),
6296 m_basetype_path (NULL_TREE
),
6297 m_decl (NULL_TREE
), m_diag_decl (NULL_TREE
) {}
6299 void record_access_failure (tree basetype_path
, tree decl
, tree diag_decl
);
6301 bool was_inaccessible_p () const { return m_was_inaccessible
; }
6302 tree
get_decl () const { return m_decl
; }
6303 tree
get_diag_decl () const { return m_diag_decl
; }
6304 tree
get_any_accessor (bool const_p
) const;
6305 void maybe_suggest_accessor (bool const_p
) const;
6306 static void add_fixit_hint (rich_location
*richloc
, tree accessor
);
6309 bool m_was_inaccessible
;
6310 tree m_basetype_path
;
6315 extern void complain_about_access (tree
, tree
, bool);
6316 extern bool enforce_access (tree
, tree
, tree
,
6318 access_failure_info
*afi
= NULL
);
6319 extern void push_defarg_context (tree
);
6320 extern void pop_defarg_context (void);
6321 extern tree
convert_default_arg (tree
, tree
, tree
, int,
6323 extern tree
convert_arg_to_ellipsis (tree
, tsubst_flags_t
);
6324 extern tree
build_x_va_arg (location_t
, tree
, tree
);
6325 extern tree
cxx_type_promotes_to (tree
);
6326 extern tree
type_passed_as (tree
);
6327 extern tree
convert_for_arg_passing (tree
, tree
, tsubst_flags_t
);
6328 extern bool is_properly_derived_from (tree
, tree
);
6329 extern tree
initialize_reference (tree
, tree
, int,
6331 extern tree
extend_ref_init_temps (tree
, tree
,
6334 extern tree
make_temporary_var_for_ref_to_temp (tree
, tree
);
6335 extern bool type_has_extended_temps (tree
);
6336 extern tree
strip_top_quals (tree
);
6337 extern bool reference_related_p (tree
, tree
);
6338 extern int remaining_arguments (tree
);
6339 extern tree
perform_implicit_conversion (tree
, tree
, tsubst_flags_t
);
6340 extern tree
perform_implicit_conversion_flags (tree
, tree
, tsubst_flags_t
, int);
6341 extern tree
build_converted_constant_expr (tree
, tree
, tsubst_flags_t
);
6342 extern tree
build_converted_constant_bool_expr (tree
, tsubst_flags_t
);
6343 extern tree
perform_direct_initialization_if_possible (tree
, tree
, bool,
6345 extern vec
<tree
,va_gc
> *resolve_args (vec
<tree
,va_gc
>*, tsubst_flags_t
);
6346 extern tree
in_charge_arg_for_name (tree
);
6347 extern tree
build_cxx_call (tree
, int, tree
*,
6350 extern bool is_std_init_list (tree
);
6351 extern bool is_list_ctor (tree
);
6352 extern void validate_conversion_obstack (void);
6353 extern void mark_versions_used (tree
);
6354 extern bool cp_warn_deprecated_use (tree
, tsubst_flags_t
= tf_warning_or_error
);
6355 extern void cp_warn_deprecated_use_scopes (tree
);
6356 extern tree
get_function_version_dispatcher (tree
);
6359 extern tree
build_vfield_ref (tree
, tree
);
6360 extern tree
build_if_in_charge (tree true_stmt
, tree false_stmt
= void_node
);
6361 extern tree
build_base_path (enum tree_code
, tree
,
6362 tree
, int, tsubst_flags_t
);
6363 extern tree
convert_to_base (tree
, tree
, bool, bool,
6365 extern tree
convert_to_base_statically (tree
, tree
);
6366 extern tree
build_vtbl_ref (tree
, tree
);
6367 extern tree
build_vfn_ref (tree
, tree
);
6368 extern tree
get_vtable_decl (tree
, int);
6369 extern bool add_method (tree
, tree
, bool);
6370 extern tree
declared_access (tree
);
6371 extern tree
currently_open_class (tree
);
6372 extern tree
currently_open_derived_class (tree
);
6373 extern tree
outermost_open_class (void);
6374 extern tree
current_nonlambda_class_type (void);
6375 extern tree
finish_struct (tree
, tree
);
6376 extern void finish_struct_1 (tree
);
6377 extern int resolves_to_fixed_type_p (tree
, int *);
6378 extern void init_class_processing (void);
6379 extern int is_empty_class (tree
);
6380 extern bool is_really_empty_class (tree
, bool);
6381 extern void pushclass (tree
);
6382 extern void popclass (void);
6383 extern void push_nested_class (tree
);
6384 extern void pop_nested_class (void);
6385 extern int current_lang_depth (void);
6386 extern void push_lang_context (tree
);
6387 extern void pop_lang_context (void);
6388 extern tree
instantiate_type (tree
, tree
, tsubst_flags_t
);
6389 extern void build_self_reference (void);
6390 extern int same_signature_p (const_tree
, const_tree
);
6391 extern void maybe_add_class_template_decl_list (tree
, tree
, int);
6392 extern void unreverse_member_declarations (tree
);
6393 extern void invalidate_class_lookup_cache (void);
6394 extern void maybe_note_name_used_in_class (tree
, tree
);
6395 extern void note_name_declared_in_class (tree
, tree
);
6396 extern tree
get_vtbl_decl_for_binfo (tree
);
6397 extern bool vptr_via_virtual_p (tree
);
6398 extern void debug_class (tree
);
6399 extern void debug_thunks (tree
);
6400 extern void set_linkage_according_to_type (tree
, tree
);
6401 extern void determine_key_method (tree
);
6402 extern void check_for_override (tree
, tree
);
6403 extern void push_class_stack (void);
6404 extern void pop_class_stack (void);
6405 extern bool default_ctor_p (const_tree
);
6406 extern bool type_has_user_nondefault_constructor (tree
);
6407 extern tree
in_class_defaulted_default_constructor (tree
);
6408 extern bool user_provided_p (tree
);
6409 extern bool type_has_user_provided_constructor (tree
);
6410 extern bool type_has_non_user_provided_default_constructor (tree
);
6411 extern bool vbase_has_user_provided_move_assign (tree
);
6412 extern tree
default_init_uninitialized_part (tree
);
6413 extern bool trivial_default_constructor_is_constexpr (tree
);
6414 extern bool type_has_constexpr_default_constructor (tree
);
6415 extern bool type_has_constexpr_destructor (tree
);
6416 extern bool type_has_virtual_destructor (tree
);
6417 extern bool classtype_has_move_assign_or_move_ctor_p (tree
, bool user_declared
);
6418 extern bool classtype_has_non_deleted_move_ctor (tree
);
6419 extern tree
classtype_has_depr_implicit_copy (tree
);
6420 extern bool classtype_has_op (tree
, tree_code
);
6421 extern tree
classtype_has_defaulted_op (tree
, tree_code
);
6422 extern bool type_build_ctor_call (tree
);
6423 extern bool type_build_dtor_call (tree
);
6424 extern void explain_non_literal_class (tree
);
6425 extern void inherit_targ_abi_tags (tree
);
6426 extern void defaulted_late_check (tree
);
6427 extern bool defaultable_fn_check (tree
);
6428 extern void check_abi_tags (tree
);
6429 extern tree
missing_abi_tags (tree
);
6430 extern void fixup_type_variants (tree
);
6431 extern void fixup_attribute_variants (tree
);
6432 extern void clone_function_decl (tree
, bool);
6433 extern void adjust_clone_args (tree
);
6434 extern void deduce_noexcept_on_destructor (tree
);
6435 extern bool uniquely_derived_from_p (tree
, tree
);
6436 extern bool publicly_uniquely_derived_p (tree
, tree
);
6437 extern tree
common_enclosing_class (tree
, tree
);
6440 extern tree
convert_to_reference (tree
, tree
, int, int, tree
,
6442 extern tree
convert_from_reference (tree
);
6443 extern tree
force_rvalue (tree
, tsubst_flags_t
);
6444 extern tree
ocp_convert (tree
, tree
, int, int,
6446 extern tree
cp_convert (tree
, tree
, tsubst_flags_t
);
6447 extern tree
cp_convert_and_check (tree
, tree
, tsubst_flags_t
);
6448 extern tree
cp_fold_convert (tree
, tree
);
6449 extern tree
cp_get_callee (tree
);
6450 extern tree
cp_get_callee_fndecl (tree
);
6451 extern tree
cp_get_callee_fndecl_nofold (tree
);
6452 extern tree
cp_get_fndecl_from_callee (tree
, bool fold
= true);
6453 extern tree
convert_to_void (tree
, impl_conv_void
,
6455 extern tree
convert_force (tree
, tree
, int,
6457 extern tree
build_expr_type_conversion (int, tree
, bool);
6458 extern tree
type_promotes_to (tree
);
6459 extern bool can_convert_qual (tree
, tree
);
6460 extern tree
perform_qualification_conversions (tree
, tree
);
6461 extern bool tx_safe_fn_type_p (tree
);
6462 extern tree
tx_unsafe_fn_variant (tree
);
6463 extern bool fnptr_conv_p (tree
, tree
);
6464 extern tree
strip_fnptr_conv (tree
);
6466 /* in name-lookup.c */
6467 extern void maybe_push_cleanup_level (tree
);
6468 extern tree
maybe_push_decl (tree
);
6469 extern tree
current_decl_namespace (void);
6472 extern tree
poplevel (int, int, int);
6473 extern void cxx_init_decl_processing (void);
6474 enum cp_tree_node_structure_enum cp_tree_node_structure
6475 (union lang_tree_node
*);
6476 extern void finish_scope (void);
6477 extern void push_switch (tree
);
6478 extern void pop_switch (void);
6479 extern void note_break_stmt (void);
6480 extern bool note_iteration_stmt_body_start (void);
6481 extern void note_iteration_stmt_body_end (bool);
6482 extern void determine_local_discriminator (tree
);
6483 extern int decls_match (tree
, tree
, bool = true);
6484 extern bool maybe_version_functions (tree
, tree
, bool);
6485 extern tree
duplicate_decls (tree
, tree
, bool);
6486 extern tree
declare_local_label (tree
);
6487 extern tree
define_label (location_t
, tree
);
6488 extern void check_goto (tree
);
6489 extern bool check_omp_return (void);
6490 extern tree
make_typename_type (tree
, tree
, enum tag_types
, tsubst_flags_t
);
6491 extern tree
build_typename_type (tree
, tree
, tree
, tag_types
);
6492 extern tree
make_unbound_class_template (tree
, tree
, tree
, tsubst_flags_t
);
6493 extern tree
build_library_fn_ptr (const char *, tree
, int);
6494 extern tree
build_cp_library_fn_ptr (const char *, tree
, int);
6495 extern tree
push_library_fn (tree
, tree
, tree
, int);
6496 extern tree
push_void_library_fn (tree
, tree
, int);
6497 extern tree
push_throw_library_fn (tree
, tree
);
6498 extern void warn_misplaced_attr_for_class_type (location_t location
,
6500 extern tree
check_tag_decl (cp_decl_specifier_seq
*, bool);
6501 extern tree
shadow_tag (cp_decl_specifier_seq
*);
6502 extern tree
groktypename (cp_decl_specifier_seq
*, const cp_declarator
*, bool);
6503 extern tree
start_decl (const cp_declarator
*, cp_decl_specifier_seq
*, int, tree
, tree
, tree
*);
6504 extern void start_decl_1 (tree
, bool);
6505 extern bool check_array_initializer (tree
, tree
, tree
);
6506 extern void omp_declare_variant_finalize (tree
, tree
);
6507 extern void cp_finish_decl (tree
, tree
, bool, tree
, int);
6508 extern tree
lookup_decomp_type (tree
);
6509 extern void cp_maybe_mangle_decomp (tree
, tree
, unsigned int);
6510 extern void cp_finish_decomp (tree
, tree
, unsigned int);
6511 extern int cp_complete_array_type (tree
*, tree
, bool);
6512 extern int cp_complete_array_type_or_error (tree
*, tree
, bool, tsubst_flags_t
);
6513 extern tree
build_ptrmemfunc_type (tree
);
6514 extern tree
build_ptrmem_type (tree
, tree
);
6515 /* the grokdeclarator prototype is in decl.h */
6516 extern tree
build_this_parm (tree
, tree
, cp_cv_quals
);
6517 extern tree
grokparms (tree
, tree
*);
6518 extern int copy_fn_p (const_tree
);
6519 extern bool move_fn_p (const_tree
);
6520 extern bool move_signature_fn_p (const_tree
);
6521 extern tree
get_scope_of_declarator (const cp_declarator
*);
6522 extern void grok_special_member_properties (tree
);
6523 extern bool grok_ctor_properties (const_tree
, const_tree
);
6524 extern bool grok_op_properties (tree
, bool);
6525 extern tree
xref_tag (enum tag_types
, tree
, tag_scope
, bool);
6526 extern tree
xref_tag_from_type (tree
, tree
, tag_scope
);
6527 extern void xref_basetypes (tree
, tree
);
6528 extern tree
start_enum (tree
, tree
, tree
, tree
, bool, bool *);
6529 extern void finish_enum_value_list (tree
);
6530 extern void finish_enum (tree
);
6531 extern void build_enumerator (tree
, tree
, tree
, tree
, location_t
);
6532 extern tree
lookup_enumerator (tree
, tree
);
6533 extern bool start_preparsed_function (tree
, tree
, int);
6534 extern bool start_function (cp_decl_specifier_seq
*,
6535 const cp_declarator
*, tree
);
6536 extern tree
begin_function_body (void);
6537 extern void finish_function_body (tree
);
6538 extern tree
outer_curly_brace_block (tree
);
6539 extern tree
finish_function (bool);
6540 extern tree
grokmethod (cp_decl_specifier_seq
*, const cp_declarator
*, tree
);
6541 extern void maybe_register_incomplete_var (tree
);
6542 extern void maybe_commonize_var (tree
);
6543 extern void complete_vars (tree
);
6544 extern tree
static_fn_type (tree
);
6545 extern void revert_static_member_fn (tree
);
6546 extern void fixup_anonymous_aggr (tree
);
6547 extern tree
compute_array_index_type (tree
, tree
, tsubst_flags_t
);
6548 extern tree
check_default_argument (tree
, tree
, tsubst_flags_t
);
6549 extern int wrapup_namespace_globals ();
6550 extern tree
create_implicit_typedef (tree
, tree
);
6551 extern int local_variable_p (const_tree
);
6552 extern tree
register_dtor_fn (tree
);
6553 extern tmpl_spec_kind
current_tmpl_spec_kind (int);
6554 extern tree
cp_fname_init (const char *, tree
*);
6555 extern tree
cxx_builtin_function (tree decl
);
6556 extern tree
cxx_builtin_function_ext_scope (tree decl
);
6557 extern tree
cxx_simulate_builtin_function_decl (tree
);
6558 extern tree
check_elaborated_type_specifier (enum tag_types
, tree
, bool);
6559 extern void warn_extern_redeclared_static (tree
, tree
);
6560 extern tree
cxx_comdat_group (tree
);
6561 extern bool cp_missing_noreturn_ok_p (tree
);
6562 extern bool is_direct_enum_init (tree
, tree
);
6563 extern void initialize_artificial_var (tree
, vec
<constructor_elt
, va_gc
> *);
6564 extern tree
check_var_type (tree
, tree
, location_t
);
6565 extern tree
reshape_init (tree
, tree
, tsubst_flags_t
);
6566 extern tree
next_initializable_field (tree
);
6567 extern tree
fndecl_declared_return_type (tree
);
6568 extern bool undeduced_auto_decl (tree
);
6569 extern bool require_deduced_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
6571 extern tree
finish_case_label (location_t
, tree
, tree
);
6572 extern tree
cxx_maybe_build_cleanup (tree
, tsubst_flags_t
);
6573 extern bool check_array_designated_initializer (constructor_elt
*,
6574 unsigned HOST_WIDE_INT
);
6575 extern bool check_for_uninitialized_const_var (tree
, bool, tsubst_flags_t
);
6576 extern tree
build_explicit_specifier (tree
, tsubst_flags_t
);
6577 extern void do_push_parm_decls (tree
, tree
, tree
*);
6580 extern void record_mangling (tree
, bool);
6581 extern void overwrite_mangling (tree
, tree
);
6582 extern void note_mangling_alias (tree
, tree
);
6583 extern void generate_mangling_aliases (void);
6584 extern tree
build_memfn_type (tree
, tree
, cp_cv_quals
, cp_ref_qualifier
);
6585 extern tree
build_pointer_ptrmemfn_type (tree
);
6586 extern tree
change_return_type (tree
, tree
);
6587 extern void maybe_retrofit_in_chrg (tree
);
6588 extern void maybe_make_one_only (tree
);
6589 extern bool vague_linkage_p (tree
);
6590 extern void grokclassfn (tree
, tree
,
6591 enum overload_flags
);
6592 extern tree
grok_array_decl (location_t
, tree
, tree
, bool);
6593 extern tree
delete_sanity (location_t
, tree
, tree
, bool,
6594 int, tsubst_flags_t
);
6595 extern tree
check_classfn (tree
, tree
, tree
);
6596 extern void check_member_template (tree
);
6597 extern tree
grokfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6598 tree
, bool, tree
, tree
);
6599 extern tree
grokbitfield (const cp_declarator
*, cp_decl_specifier_seq
*,
6601 extern bool any_dependent_type_attributes_p (tree
);
6602 extern tree
cp_reconstruct_complex_type (tree
, tree
);
6603 extern bool attributes_naming_typedef_ok (tree
);
6604 extern void cplus_decl_attributes (tree
*, tree
, int);
6605 extern void finish_anon_union (tree
);
6606 extern void cxx_post_compilation_parsing_cleanups (void);
6607 extern tree
coerce_new_type (tree
, location_t
);
6608 extern void coerce_delete_type (tree
, location_t
);
6609 extern void comdat_linkage (tree
);
6610 extern void determine_visibility (tree
);
6611 extern void constrain_class_visibility (tree
);
6612 extern void reset_type_linkage (tree
);
6613 extern void tentative_decl_linkage (tree
);
6614 extern void import_export_decl (tree
);
6615 extern tree
build_cleanup (tree
);
6616 extern tree
build_offset_ref_call_from_tree (tree
, vec
<tree
, va_gc
> **,
6618 extern bool decl_defined_p (tree
);
6619 extern bool decl_constant_var_p (tree
);
6620 extern bool decl_maybe_constant_var_p (tree
);
6621 extern void no_linkage_error (tree
);
6622 extern void check_default_args (tree
);
6623 extern bool mark_used (tree
);
6624 extern bool mark_used (tree
, tsubst_flags_t
);
6625 extern void finish_static_data_member_decl (tree
, tree
, bool, tree
, int);
6626 extern tree
cp_build_parm_decl (tree
, tree
, tree
);
6627 extern tree
get_guard (tree
);
6628 extern tree
get_guard_cond (tree
, bool);
6629 extern tree
set_guard (tree
);
6630 extern tree
maybe_get_tls_wrapper_call (tree
);
6631 extern void mark_needed (tree
);
6632 extern bool decl_needed_p (tree
);
6633 extern void note_vague_linkage_fn (tree
);
6634 extern void note_variable_template_instantiation (tree
);
6635 extern tree
build_artificial_parm (tree
, tree
, tree
);
6636 extern bool possibly_inlined_p (tree
);
6637 extern int parm_index (tree
);
6638 extern tree
vtv_start_verification_constructor_init_function (void);
6639 extern tree
vtv_finish_verification_constructor_init_function (tree
);
6640 extern bool cp_omp_mappable_type (tree
);
6641 extern bool cp_omp_emit_unmappable_type_notes (tree
);
6642 extern void cp_check_const_attributes (tree
);
6645 extern const char *type_as_string (tree
, int);
6646 extern const char *type_as_string_translate (tree
, int);
6647 extern const char *decl_as_string (tree
, int);
6648 extern const char *decl_as_string_translate (tree
, int);
6649 extern const char *decl_as_dwarf_string (tree
, int);
6650 extern const char *expr_as_string (tree
, int);
6651 extern const char *expr_to_string (tree
);
6652 extern const char *lang_decl_name (tree
, int, bool);
6653 extern const char *lang_decl_dwarf_name (tree
, int, bool);
6654 extern const char *language_to_string (enum languages
);
6655 extern const char *class_key_or_enum_as_string (tree
);
6656 extern void maybe_warn_variadic_templates (void);
6657 extern void maybe_warn_cpp0x (cpp0x_warn_str str
);
6658 extern bool pedwarn_cxx98 (location_t
, int, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
6659 extern location_t
location_of (tree
);
6660 extern void qualified_name_lookup_error (tree
, tree
, tree
,
6664 extern void init_exception_processing (void);
6665 extern tree
expand_start_catch_block (tree
);
6666 extern void expand_end_catch_block (void);
6667 extern tree
build_exc_ptr (void);
6668 extern tree
build_throw (location_t
, tree
);
6669 extern int nothrow_libfn_p (const_tree
);
6670 extern void check_handlers (tree
);
6671 extern tree
finish_noexcept_expr (tree
, tsubst_flags_t
);
6672 extern bool expr_noexcept_p (tree
, tsubst_flags_t
);
6673 extern void perform_deferred_noexcept_checks (void);
6674 extern bool nothrow_spec_p (const_tree
);
6675 extern bool type_noexcept_p (const_tree
);
6676 extern bool type_throw_all_p (const_tree
);
6677 extern tree
build_noexcept_spec (tree
, tsubst_flags_t
);
6678 extern void choose_personality_routine (enum languages
);
6679 extern tree
build_must_not_throw_expr (tree
,tree
);
6680 extern tree
eh_type_info (tree
);
6681 extern tree
begin_eh_spec_block (void);
6682 extern void finish_eh_spec_block (tree
, tree
);
6683 extern tree
build_eh_type_type (tree
);
6684 extern tree
cp_protect_cleanup_actions (void);
6685 extern tree
template_parms_to_args (tree
);
6686 extern tree
template_parms_level_to_args (tree
);
6687 extern tree
generic_targs_for (tree
);
6690 extern tree
cplus_expand_constant (tree
);
6691 extern tree
mark_use (tree expr
, bool rvalue_p
, bool read_p
,
6692 location_t
= UNKNOWN_LOCATION
,
6693 bool reject_builtin
= true);
6694 extern tree
mark_rvalue_use (tree
,
6695 location_t
= UNKNOWN_LOCATION
,
6696 bool reject_builtin
= true);
6697 extern tree
mark_lvalue_use (tree
);
6698 extern tree
mark_lvalue_use_nonread (tree
);
6699 extern tree
mark_type_use (tree
);
6700 extern tree
mark_discarded_use (tree
);
6701 extern void mark_exp_read (tree
);
6704 extern int is_friend (tree
, tree
);
6705 extern void make_friend_class (tree
, tree
, bool);
6706 extern void add_friend (tree
, tree
, bool);
6707 extern tree
do_friend (tree
, tree
, tree
, tree
,
6708 enum overload_flags
, bool);
6710 extern void set_global_friend (tree
);
6711 extern bool is_global_friend (tree
);
6714 extern tree
expand_member_init (tree
);
6715 extern void emit_mem_initializers (tree
);
6716 extern tree
build_aggr_init (tree
, tree
, int,
6718 extern int is_class_type (tree
, int);
6719 extern tree
get_type_value (tree
);
6720 extern tree
build_zero_init (tree
, tree
, bool);
6721 extern tree
build_value_init (tree
, tsubst_flags_t
);
6722 extern tree
build_value_init_noctor (tree
, tsubst_flags_t
);
6723 extern tree
get_nsdmi (tree
, bool, tsubst_flags_t
);
6724 extern tree
build_offset_ref (tree
, tree
, bool,
6726 extern tree
throw_bad_array_new_length (void);
6727 extern bool type_has_new_extended_alignment (tree
);
6728 extern unsigned malloc_alignment (void);
6729 extern tree
build_new_constexpr_heap_type (tree
, tree
, tree
);
6730 extern tree
build_new (location_t
,
6731 vec
<tree
, va_gc
> **, tree
,
6732 tree
, vec
<tree
, va_gc
> **,
6733 int, tsubst_flags_t
);
6734 extern tree
get_temp_regvar (tree
, tree
);
6735 extern tree
build_vec_init (tree
, tree
, tree
, bool, int,
6737 extern tree
build_delete (location_t
, tree
, tree
,
6738 special_function_kind
,
6739 int, int, tsubst_flags_t
);
6740 extern void push_base_cleanups (void);
6741 extern tree
build_vec_delete (location_t
, tree
, tree
,
6742 special_function_kind
, int,
6744 extern tree
create_temporary_var (tree
);
6745 extern void initialize_vtbl_ptrs (tree
);
6746 extern tree
scalar_constant_value (tree
);
6747 extern tree
decl_really_constant_value (tree
);
6748 extern int diagnose_uninitialized_cst_or_ref_member (tree
, bool, bool);
6749 extern tree
build_vtbl_address (tree
);
6750 extern bool maybe_reject_flexarray_init (tree
, tree
);
6753 extern void cxx_dup_lang_specific_decl (tree
);
6754 extern void yyungetc (int, int);
6756 extern tree
unqualified_name_lookup_error (tree
,
6757 location_t
= UNKNOWN_LOCATION
);
6758 extern tree
unqualified_fn_lookup_error (cp_expr
);
6759 extern tree
make_conv_op_name (tree
);
6760 extern tree
build_lang_decl (enum tree_code
, tree
, tree
);
6761 extern tree
build_lang_decl_loc (location_t
, enum tree_code
, tree
, tree
);
6762 extern void retrofit_lang_decl (tree
);
6763 extern void fit_decomposition_lang_decl (tree
, tree
);
6764 extern tree
copy_decl (tree CXX_MEM_STAT_INFO
);
6765 extern tree
copy_type (tree CXX_MEM_STAT_INFO
);
6766 extern tree
cxx_make_type (enum tree_code CXX_MEM_STAT_INFO
);
6767 extern tree
make_class_type (enum tree_code CXX_MEM_STAT_INFO
);
6768 extern const char *get_identifier_kind_name (tree
);
6769 extern void set_identifier_kind (tree
, cp_identifier_kind
);
6770 extern bool cxx_init (void);
6771 extern void cxx_finish (void);
6772 extern bool in_main_input_context (void);
6775 extern void init_method (void);
6776 extern tree
make_thunk (tree
, bool, tree
, tree
);
6777 extern void finish_thunk (tree
);
6778 extern void use_thunk (tree
, bool);
6779 extern bool trivial_fn_p (tree
);
6780 extern tree
forward_parm (tree
);
6781 extern bool is_trivially_xible (enum tree_code
, tree
, tree
);
6782 extern bool is_xible (enum tree_code
, tree
, tree
);
6783 extern tree
get_defaulted_eh_spec (tree
, tsubst_flags_t
= tf_warning_or_error
);
6784 extern void after_nsdmi_defaulted_late_checks (tree
);
6785 extern bool maybe_explain_implicit_delete (tree
);
6786 extern void explain_implicit_non_constexpr (tree
);
6787 extern void deduce_inheriting_ctor (tree
);
6788 extern void synthesize_method (tree
);
6789 extern tree
lazily_declare_fn (special_function_kind
,
6791 extern tree
skip_artificial_parms_for (const_tree
, tree
);
6792 extern int num_artificial_parms_for (const_tree
);
6793 extern tree
make_alias_for (tree
, tree
);
6794 extern tree
get_copy_ctor (tree
, tsubst_flags_t
);
6795 extern tree
get_copy_assign (tree
);
6796 extern tree
get_default_ctor (tree
);
6797 extern tree
get_dtor (tree
, tsubst_flags_t
);
6798 extern tree
strip_inheriting_ctors (tree
);
6799 extern tree
inherited_ctor_binfo (tree
);
6800 extern bool ctor_omit_inherited_parms (tree
);
6801 extern tree
locate_ctor (tree
);
6802 extern tree
implicitly_declare_fn (special_function_kind
, tree
,
6806 extern bool maybe_clone_body (tree
);
6809 extern tree
cp_convert_range_for (tree
, tree
, tree
, tree
, unsigned int, bool,
6811 extern void cp_convert_omp_range_for (tree
&, vec
<tree
, va_gc
> *, tree
&,
6812 tree
&, tree
&, tree
&, tree
&, tree
&);
6813 extern void cp_finish_omp_range_for (tree
, tree
);
6814 extern bool parsing_nsdmi (void);
6815 extern bool parsing_default_capturing_generic_lambda_in_template (void);
6816 extern void inject_this_parameter (tree
, cp_cv_quals
);
6817 extern location_t
defparse_location (tree
);
6818 extern void maybe_show_extern_c_location (void);
6819 extern bool literal_integer_zerop (const_tree
);
6822 extern void push_access_scope (tree
);
6823 extern void pop_access_scope (tree
);
6824 extern bool check_template_shadow (tree
);
6825 extern bool check_auto_in_tmpl_args (tree
, tree
);
6826 extern tree
get_innermost_template_args (tree
, int);
6827 extern void maybe_begin_member_template_processing (tree
);
6828 extern void maybe_end_member_template_processing (void);
6829 extern tree
finish_member_template_decl (tree
);
6830 extern void begin_template_parm_list (void);
6831 extern bool begin_specialization (void);
6832 extern void reset_specialization (void);
6833 extern void end_specialization (void);
6834 extern void begin_explicit_instantiation (void);
6835 extern void end_explicit_instantiation (void);
6836 extern void check_unqualified_spec_or_inst (tree
, location_t
);
6837 extern tree
check_explicit_specialization (tree
, tree
, int, int,
6839 extern int num_template_headers_for_class (tree
);
6840 extern void check_template_variable (tree
);
6841 extern tree
make_auto (void);
6842 extern tree
make_decltype_auto (void);
6843 extern tree
make_constrained_auto (tree
, tree
);
6844 extern tree
make_constrained_decltype_auto (tree
, tree
);
6845 extern tree
make_template_placeholder (tree
);
6846 extern bool template_placeholder_p (tree
);
6847 extern bool ctad_template_p (tree
);
6848 extern tree
do_auto_deduction (tree
, tree
, tree
,
6850 = tf_warning_or_error
,
6851 auto_deduction_context
6854 int = LOOKUP_NORMAL
);
6855 extern tree
type_uses_auto (tree
);
6856 extern tree
type_uses_auto_or_concept (tree
);
6857 extern void append_type_to_template_for_access_check (tree
, tree
, tree
,
6859 extern tree
convert_generic_types_to_packs (tree
, int, int);
6860 extern tree
splice_late_return_type (tree
, tree
);
6861 extern bool is_auto (const_tree
);
6862 extern tree
process_template_parm (tree
, location_t
, tree
,
6864 extern tree
end_template_parm_list (tree
);
6865 extern void end_template_parm_list (void);
6866 extern void end_template_decl (void);
6867 extern tree
maybe_update_decl_type (tree
, tree
);
6868 extern bool check_default_tmpl_args (tree
, tree
, bool, bool, int);
6869 extern tree
push_template_decl (tree
);
6870 extern tree
push_template_decl_real (tree
, bool);
6871 extern tree
add_inherited_template_parms (tree
, tree
);
6872 extern void template_parm_level_and_index (tree
, int*, int*);
6873 extern bool redeclare_class_template (tree
, tree
, tree
);
6874 extern tree
lookup_template_class (tree
, tree
, tree
, tree
,
6875 int, tsubst_flags_t
);
6876 extern tree
lookup_template_function (tree
, tree
);
6877 extern tree
lookup_template_variable (tree
, tree
);
6878 extern int uses_template_parms (tree
);
6879 extern bool uses_template_parms_level (tree
, int);
6880 extern bool in_template_function (void);
6881 extern bool need_generic_capture (void);
6882 extern tree
instantiate_class_template (tree
);
6883 extern tree
instantiate_template (tree
, tree
, tsubst_flags_t
);
6884 extern tree
fn_type_unification (tree
, tree
, tree
,
6885 const tree
*, unsigned int,
6886 tree
, unification_kind_t
, int,
6887 struct conversion
**,
6889 extern void mark_decl_instantiated (tree
, int);
6890 extern int more_specialized_fn (tree
, tree
, int);
6891 extern void do_decl_instantiation (tree
, tree
);
6892 extern void do_type_instantiation (tree
, tree
, tsubst_flags_t
);
6893 extern bool always_instantiate_p (tree
);
6894 extern bool maybe_instantiate_noexcept (tree
, tsubst_flags_t
= tf_warning_or_error
);
6895 extern tree
instantiate_decl (tree
, bool, bool);
6896 extern int comp_template_parms (const_tree
, const_tree
);
6897 extern bool template_heads_equivalent_p (const_tree
, const_tree
);
6898 extern bool builtin_pack_fn_p (tree
);
6899 extern tree
uses_parameter_packs (tree
);
6900 extern bool template_parameter_pack_p (const_tree
);
6901 extern bool function_parameter_pack_p (const_tree
);
6902 extern bool function_parameter_expanded_from_pack_p (tree
, tree
);
6903 extern tree
make_pack_expansion (tree
, tsubst_flags_t
= tf_warning_or_error
);
6904 extern bool check_for_bare_parameter_packs (tree
, location_t
= UNKNOWN_LOCATION
);
6905 extern tree
build_template_info (tree
, tree
);
6906 extern tree
get_template_info (const_tree
);
6907 extern vec
<qualified_typedef_usage_t
, va_gc
> *get_types_needing_access_check (tree
);
6908 extern int template_class_depth (tree
);
6909 extern int is_specialization_of (tree
, tree
);
6910 extern bool is_specialization_of_friend (tree
, tree
);
6911 extern tree
get_pattern_parm (tree
, tree
);
6912 extern int comp_template_args (tree
, tree
, tree
* = NULL
,
6913 tree
* = NULL
, bool = false);
6914 extern int template_args_equal (tree
, tree
, bool = false);
6915 extern tree
maybe_process_partial_specialization (tree
);
6916 extern tree
most_specialized_instantiation (tree
);
6917 extern void print_candidates (tree
);
6918 extern void instantiate_pending_templates (int);
6919 extern tree
tsubst_default_argument (tree
, int, tree
, tree
,
6921 extern tree
tsubst (tree
, tree
, tsubst_flags_t
, tree
);
6922 extern tree
tsubst_copy_and_build (tree
, tree
, tsubst_flags_t
,
6924 extern tree
tsubst_expr (tree
, tree
, tsubst_flags_t
,
6926 extern tree
tsubst_pack_expansion (tree
, tree
, tsubst_flags_t
, tree
);
6927 extern tree
tsubst_argument_pack (tree
, tree
, tsubst_flags_t
, tree
);
6928 extern tree
tsubst_template_args (tree
, tree
, tsubst_flags_t
, tree
);
6929 extern tree
tsubst_template_arg (tree
, tree
, tsubst_flags_t
, tree
);
6930 extern tree
tsubst_function_parms (tree
, tree
, tsubst_flags_t
, tree
);
6931 extern tree
most_general_template (tree
);
6932 extern tree
get_mostly_instantiated_function_type (tree
);
6933 extern bool problematic_instantiation_changed (void);
6934 extern void record_last_problematic_instantiation (void);
6935 extern struct tinst_level
*current_instantiation(void);
6936 extern bool instantiating_current_function_p (void);
6937 extern tree
maybe_get_template_decl_from_type_decl (tree
);
6938 extern int processing_template_parmlist
;
6939 extern bool dependent_type_p (tree
);
6940 extern bool dependent_scope_p (tree
);
6941 extern bool any_dependent_template_arguments_p (const_tree
);
6942 extern bool any_erroneous_template_args_p (const_tree
);
6943 extern bool dependent_template_p (tree
);
6944 extern bool dependent_template_id_p (tree
, tree
);
6945 extern bool type_dependent_expression_p (tree
);
6946 extern bool type_dependent_object_expression_p (tree
);
6947 extern bool any_type_dependent_arguments_p (const vec
<tree
, va_gc
> *);
6948 extern bool any_type_dependent_elements_p (const_tree
);
6949 extern bool type_dependent_expression_p_push (tree
);
6950 extern bool value_dependent_expression_p (tree
);
6951 extern bool instantiation_dependent_expression_p (tree
);
6952 extern bool instantiation_dependent_uneval_expression_p (tree
);
6953 extern bool any_value_dependent_elements_p (const_tree
);
6954 extern bool dependent_omp_for_p (tree
, tree
, tree
, tree
);
6955 extern tree
resolve_typename_type (tree
, bool);
6956 extern tree
template_for_substitution (tree
);
6957 extern tree
build_non_dependent_expr (tree
);
6958 extern void make_args_non_dependent (vec
<tree
, va_gc
> *);
6959 extern bool reregister_specialization (tree
, tree
, tree
);
6960 extern tree
instantiate_non_dependent_expr (tree
);
6961 extern tree
instantiate_non_dependent_expr_sfinae (tree
, tsubst_flags_t
);
6962 extern tree
instantiate_non_dependent_expr_internal (tree
, tsubst_flags_t
);
6963 extern tree
instantiate_non_dependent_or_null (tree
);
6964 extern bool variable_template_specialization_p (tree
);
6965 extern bool alias_type_or_template_p (tree
);
6966 enum { nt_opaque
= false, nt_transparent
= true };
6967 extern tree
alias_template_specialization_p (const_tree
, bool);
6968 extern tree
dependent_alias_template_spec_p (const_tree
, bool);
6969 extern bool template_parm_object_p (const_tree
);
6970 extern bool explicit_class_specialization_p (tree
);
6971 extern bool push_tinst_level (tree
);
6972 extern bool push_tinst_level_loc (tree
, location_t
);
6973 extern void pop_tinst_level (void);
6974 extern struct tinst_level
*outermost_tinst_level(void);
6975 extern void init_template_processing (void);
6976 extern void print_template_statistics (void);
6977 bool template_template_parameter_p (const_tree
);
6978 bool template_type_parameter_p (const_tree
);
6979 extern bool primary_template_specialization_p (const_tree
);
6980 extern tree
get_primary_template_innermost_parameters (const_tree
);
6981 extern tree
get_template_parms_at_level (tree
, int);
6982 extern tree
get_template_innermost_arguments (const_tree
);
6983 extern tree
get_template_argument_pack_elems (const_tree
);
6984 extern tree
get_function_template_decl (const_tree
);
6985 extern tree
resolve_nondeduced_context (tree
, tsubst_flags_t
);
6986 extern tree
resolve_nondeduced_context_or_error (tree
, tsubst_flags_t
);
6987 extern hashval_t
iterative_hash_template_arg (tree arg
, hashval_t val
);
6988 extern tree
coerce_template_parms (tree
, tree
, tree
);
6989 extern tree
coerce_template_parms (tree
, tree
, tree
, tsubst_flags_t
);
6990 extern void register_local_specialization (tree
, tree
);
6991 extern tree
retrieve_local_specialization (tree
);
6992 extern tree
extract_fnparm_pack (tree
, tree
*);
6993 extern tree
template_parm_to_arg (tree
);
6994 extern tree
dguide_name (tree
);
6995 extern bool dguide_name_p (tree
);
6996 extern bool deduction_guide_p (const_tree
);
6997 extern bool copy_guide_p (const_tree
);
6998 extern bool template_guide_p (const_tree
);
6999 extern void store_explicit_specifier (tree
, tree
);
7000 extern tree
add_outermost_template_args (tree
, tree
);
7003 /* A vector of all tinfo decls that haven't been emitted yet. */
7004 extern GTY(()) vec
<tree
, va_gc
> *unemitted_tinfo_decls
;
7006 extern void init_rtti_processing (void);
7007 extern tree
build_typeid (tree
, tsubst_flags_t
);
7008 extern tree
get_tinfo_decl (tree
);
7009 extern tree
get_typeid (tree
, tsubst_flags_t
);
7010 extern tree
build_headof (tree
);
7011 extern tree
build_dynamic_cast (location_t
, tree
, tree
,
7013 extern void emit_support_tinfos (void);
7014 extern bool emit_tinfo_decl (tree
);
7017 extern bool accessible_base_p (tree
, tree
, bool);
7018 extern tree
lookup_base (tree
, tree
, base_access
,
7019 base_kind
*, tsubst_flags_t
);
7020 extern tree
dcast_base_hint (tree
, tree
);
7021 extern int accessible_p (tree
, tree
, bool);
7022 extern int accessible_in_template_p (tree
, tree
);
7023 extern tree
lookup_field (tree
, tree
, int, bool);
7024 extern tree
lookup_fnfields (tree
, tree
, int);
7025 extern tree
lookup_member (tree
, tree
, int, bool,
7027 access_failure_info
*afi
= NULL
);
7028 extern tree
lookup_member_fuzzy (tree
, tree
, bool);
7029 extern tree
locate_field_accessor (tree
, tree
, bool);
7030 extern int look_for_overrides (tree
, tree
);
7031 extern void get_pure_virtuals (tree
);
7032 extern void maybe_suppress_debug_info (tree
);
7033 extern void note_debug_info_needed (tree
);
7034 extern tree
current_scope (void);
7035 extern int at_function_scope_p (void);
7036 extern bool at_class_scope_p (void);
7037 extern bool at_namespace_scope_p (void);
7038 extern tree
context_for_name_lookup (tree
);
7039 extern tree
lookup_conversions (tree
);
7040 extern tree
binfo_from_vbase (tree
);
7041 extern tree
binfo_for_vbase (tree
, tree
);
7042 extern tree
look_for_overrides_here (tree
, tree
);
7043 #define dfs_skip_bases ((tree)1)
7044 extern tree
dfs_walk_all (tree
, tree (*) (tree
, void *),
7045 tree (*) (tree
, void *), void *);
7046 extern tree
dfs_walk_once (tree
, tree (*) (tree
, void *),
7047 tree (*) (tree
, void *), void *);
7048 extern tree
binfo_via_virtual (tree
, tree
);
7049 extern bool binfo_direct_p (tree
);
7050 extern tree
build_baselink (tree
, tree
, tree
, tree
);
7051 extern tree adjust_result_of_qualified_name_lookup
7053 extern tree
copied_binfo (tree
, tree
);
7054 extern tree
original_binfo (tree
, tree
);
7055 extern int shared_member_p (tree
);
7056 extern bool any_dependent_bases_p (tree
= current_nonlambda_class_type ());
7057 extern bool maybe_check_overriding_exception_spec (tree
, tree
);
7059 /* The representation of a deferred access check. */
7061 struct GTY(()) deferred_access_check
{
7062 /* The base class in which the declaration is referenced. */
7064 /* The declaration whose access must be checked. */
7066 /* The declaration that should be used in the error message. */
7068 /* The location of this access. */
7072 /* in semantics.c */
7073 extern void push_deferring_access_checks (deferring_kind
);
7074 extern void resume_deferring_access_checks (void);
7075 extern void stop_deferring_access_checks (void);
7076 extern void pop_deferring_access_checks (void);
7077 extern vec
<deferred_access_check
, va_gc
> *get_deferred_access_checks (void);
7078 extern void reopen_deferring_access_checks (vec
<deferred_access_check
, va_gc
> *);
7079 extern void pop_to_parent_deferring_access_checks (void);
7080 extern bool perform_access_checks (vec
<deferred_access_check
, va_gc
> *,
7082 extern bool perform_deferred_access_checks (tsubst_flags_t
);
7083 extern bool perform_or_defer_access_check (tree
, tree
, tree
,
7085 access_failure_info
*afi
= NULL
);
7087 /* RAII sentinel to ensures that deferred access checks are popped before
7088 a function returns. */
7090 class deferring_access_check_sentinel
7093 deferring_access_check_sentinel (enum deferring_kind kind
= dk_deferred
)
7095 push_deferring_access_checks (kind
);
7097 ~deferring_access_check_sentinel ()
7099 pop_deferring_access_checks ();
7103 extern int stmts_are_full_exprs_p (void);
7104 extern void init_cp_semantics (void);
7105 extern tree
do_poplevel (tree
);
7106 extern void break_maybe_infinite_loop (void);
7107 extern void add_decl_expr (tree
);
7108 extern tree
maybe_cleanup_point_expr_void (tree
);
7109 extern tree
finish_expr_stmt (tree
);
7110 extern tree
begin_if_stmt (void);
7111 extern tree
finish_if_stmt_cond (tree
, tree
);
7112 extern tree
finish_then_clause (tree
);
7113 extern void begin_else_clause (tree
);
7114 extern void finish_else_clause (tree
);
7115 extern void finish_if_stmt (tree
);
7116 extern tree
begin_while_stmt (void);
7117 extern void finish_while_stmt_cond (tree
, tree
, bool, unsigned short);
7118 extern void finish_while_stmt (tree
);
7119 extern tree
begin_do_stmt (void);
7120 extern void finish_do_body (tree
);
7121 extern void finish_do_stmt (tree
, tree
, bool, unsigned short);
7122 extern tree
finish_return_stmt (tree
);
7123 extern tree
begin_for_scope (tree
*);
7124 extern tree
begin_for_stmt (tree
, tree
);
7125 extern void finish_init_stmt (tree
);
7126 extern void finish_for_cond (tree
, tree
, bool, unsigned short);
7127 extern void finish_for_expr (tree
, tree
);
7128 extern void finish_for_stmt (tree
);
7129 extern tree
begin_range_for_stmt (tree
, tree
);
7130 extern void finish_range_for_decl (tree
, tree
, tree
);
7131 extern void finish_range_for_stmt (tree
);
7132 extern tree
finish_break_stmt (void);
7133 extern tree
finish_continue_stmt (void);
7134 extern tree
begin_switch_stmt (void);
7135 extern void finish_switch_cond (tree
, tree
);
7136 extern void finish_switch_stmt (tree
);
7137 extern tree
finish_goto_stmt (tree
);
7138 extern tree
begin_try_block (void);
7139 extern void finish_try_block (tree
);
7140 extern void finish_handler_sequence (tree
);
7141 extern tree
begin_function_try_block (tree
*);
7142 extern void finish_function_try_block (tree
);
7143 extern void finish_function_handler_sequence (tree
, tree
);
7144 extern void finish_cleanup_try_block (tree
);
7145 extern tree
begin_handler (void);
7146 extern void finish_handler_parms (tree
, tree
);
7147 extern void finish_handler (tree
);
7148 extern void finish_cleanup (tree
, tree
);
7149 extern bool is_this_parameter (tree
);
7158 extern tree
begin_compound_stmt (unsigned int);
7160 extern void finish_compound_stmt (tree
);
7161 extern tree
finish_asm_stmt (location_t
, int, tree
, tree
,
7162 tree
, tree
, tree
, bool);
7163 extern tree
finish_label_stmt (tree
);
7164 extern void finish_label_decl (tree
);
7165 extern cp_expr
finish_parenthesized_expr (cp_expr
);
7166 extern tree
force_paren_expr (tree
, bool = false);
7167 inline tree
force_paren_expr_uneval (tree t
)
7168 { return force_paren_expr (t
, true); }
7169 extern tree
maybe_undo_parenthesized_ref (tree
);
7170 extern tree
maybe_strip_ref_conversion (tree
);
7171 extern tree
finish_non_static_data_member (tree
, tree
, tree
);
7172 extern tree
begin_stmt_expr (void);
7173 extern tree
finish_stmt_expr_expr (tree
, tree
);
7174 extern tree
finish_stmt_expr (tree
, bool);
7175 extern tree
stmt_expr_value_expr (tree
);
7176 bool empty_expr_stmt_p (tree
);
7177 extern cp_expr
perform_koenig_lookup (cp_expr
, vec
<tree
, va_gc
> *,
7179 extern tree
finish_call_expr (tree
, vec
<tree
, va_gc
> **, bool,
7180 bool, tsubst_flags_t
);
7181 extern tree
lookup_and_finish_template_variable (tree
, tree
, tsubst_flags_t
= tf_warning_or_error
);
7182 extern tree
finish_template_variable (tree
, tsubst_flags_t
= tf_warning_or_error
);
7183 extern cp_expr
finish_increment_expr (cp_expr
, enum tree_code
);
7184 extern tree
finish_this_expr (void);
7185 extern tree
finish_pseudo_destructor_expr (tree
, tree
, tree
, location_t
);
7186 extern cp_expr
finish_unary_op_expr (location_t
, enum tree_code
, cp_expr
,
7188 /* Whether this call to finish_compound_literal represents a C++11 functional
7189 cast or a C99 compound literal. */
7190 enum fcl_t
{ fcl_functional
, fcl_c99
};
7191 extern tree
finish_compound_literal (tree
, tree
, tsubst_flags_t
, fcl_t
= fcl_functional
);
7192 extern tree
finish_fname (tree
);
7193 extern void finish_translation_unit (void);
7194 extern tree
finish_template_type_parm (tree
, tree
);
7195 extern tree
finish_template_template_parm (tree
, tree
);
7196 extern tree
begin_class_definition (tree
);
7197 extern void finish_template_decl (tree
);
7198 extern tree
finish_template_type (tree
, tree
, int);
7199 extern tree
finish_base_specifier (tree
, tree
, bool);
7200 extern void finish_member_declaration (tree
);
7201 extern bool outer_automatic_var_p (tree
);
7202 extern tree
process_outer_var_ref (tree
, tsubst_flags_t
, bool force_use
= false);
7203 extern cp_expr
finish_id_expression (tree
, tree
, tree
,
7206 bool, bool, bool, bool,
7209 extern tree
finish_typeof (tree
);
7210 extern tree
finish_underlying_type (tree
);
7211 extern tree
calculate_bases (tree
, tsubst_flags_t
);
7212 extern tree
finish_bases (tree
, bool);
7213 extern tree
calculate_direct_bases (tree
, tsubst_flags_t
);
7214 extern tree
finish_offsetof (tree
, tree
, location_t
);
7215 extern void finish_decl_cleanup (tree
, tree
);
7216 extern void finish_eh_cleanup (tree
);
7217 extern void emit_associated_thunks (tree
);
7218 extern void finish_mem_initializers (tree
);
7219 extern tree
check_template_template_default_arg (tree
);
7220 extern bool expand_or_defer_fn_1 (tree
);
7221 extern void expand_or_defer_fn (tree
);
7222 extern void add_typedef_to_current_template_for_access_check (tree
, tree
,
7224 extern void check_accessibility_of_qualified_id (tree
, tree
, tree
);
7225 extern tree
finish_qualified_id_expr (tree
, tree
, bool, bool,
7226 bool, bool, tsubst_flags_t
);
7227 extern void simplify_aggr_init_expr (tree
*);
7228 extern void finalize_nrv (tree
*, tree
, tree
);
7229 extern tree
omp_reduction_id (enum tree_code
, tree
, tree
);
7230 extern tree
cp_remove_omp_priv_cleanup_stmt (tree
*, int *, void *);
7231 extern void cp_check_omp_declare_reduction (tree
);
7232 extern void finish_omp_declare_simd_methods (tree
);
7233 extern tree
finish_omp_clauses (tree
, enum c_omp_region_type
);
7234 extern tree
push_omp_privatization_clauses (bool);
7235 extern void pop_omp_privatization_clauses (tree
);
7236 extern void save_omp_privatization_clauses (vec
<tree
> &);
7237 extern void restore_omp_privatization_clauses (vec
<tree
> &);
7238 extern void finish_omp_threadprivate (tree
);
7239 extern tree
begin_omp_structured_block (void);
7240 extern tree
finish_omp_structured_block (tree
);
7241 extern tree
finish_oacc_data (tree
, tree
);
7242 extern tree
finish_oacc_host_data (tree
, tree
);
7243 extern tree
finish_omp_construct (enum tree_code
, tree
, tree
);
7244 extern tree
begin_omp_parallel (void);
7245 extern tree
finish_omp_parallel (tree
, tree
);
7246 extern tree
begin_omp_task (void);
7247 extern tree
finish_omp_task (tree
, tree
);
7248 extern tree
finish_omp_for (location_t
, enum tree_code
,
7249 tree
, tree
, tree
, tree
, tree
,
7250 tree
, tree
, vec
<tree
> *, tree
);
7251 extern tree
finish_omp_for_block (tree
, tree
);
7252 extern void finish_omp_atomic (location_t
, enum tree_code
,
7253 enum tree_code
, tree
, tree
,
7254 tree
, tree
, tree
, tree
,
7255 enum omp_memory_order
);
7256 extern void finish_omp_barrier (void);
7257 extern void finish_omp_depobj (location_t
, tree
,
7258 enum omp_clause_depend_kind
,
7260 extern void finish_omp_flush (int);
7261 extern void finish_omp_taskwait (void);
7262 extern void finish_omp_taskyield (void);
7263 extern void finish_omp_cancel (tree
);
7264 extern void finish_omp_cancellation_point (tree
);
7265 extern tree
omp_privatize_field (tree
, bool);
7266 extern tree
begin_transaction_stmt (location_t
, tree
*, int);
7267 extern void finish_transaction_stmt (tree
, tree
, int, tree
);
7268 extern tree
build_transaction_expr (location_t
, tree
, int, tree
);
7269 extern bool cxx_omp_create_clause_info (tree
, tree
, bool, bool,
7271 extern tree
baselink_for_fns (tree
);
7272 extern void finish_static_assert (tree
, tree
, location_t
,
7274 extern tree
finish_decltype_type (tree
, bool, tsubst_flags_t
);
7275 extern tree
finish_trait_expr (location_t
, enum cp_trait_kind
, tree
, tree
);
7276 extern tree
build_lambda_expr (void);
7277 extern tree
build_lambda_object (tree
);
7278 extern tree
begin_lambda_type (tree
);
7279 extern tree
lambda_capture_field_type (tree
, bool, bool);
7280 extern tree
lambda_return_type (tree
);
7281 extern tree
lambda_proxy_type (tree
);
7282 extern tree
lambda_function (tree
);
7283 extern void apply_deduced_return_type (tree
, tree
);
7284 extern tree
add_capture (tree
, tree
, tree
, bool, bool);
7285 extern tree
add_default_capture (tree
, tree
, tree
);
7286 extern void insert_capture_proxy (tree
);
7287 extern void insert_pending_capture_proxies (void);
7288 extern bool is_capture_proxy (tree
);
7289 extern bool is_normal_capture_proxy (tree
);
7290 extern bool is_constant_capture_proxy (tree
);
7291 extern void register_capture_members (tree
);
7292 extern tree
lambda_expr_this_capture (tree
, int);
7293 extern void maybe_generic_this_capture (tree
, tree
);
7294 extern tree
maybe_resolve_dummy (tree
, bool);
7295 extern tree
current_nonlambda_function (void);
7296 extern tree
nonlambda_method_basetype (void);
7297 extern tree
current_nonlambda_scope (void);
7298 extern tree
current_lambda_expr (void);
7299 extern bool generic_lambda_fn_p (tree
);
7300 extern tree
do_dependent_capture (tree
, bool = false);
7301 extern bool lambda_fn_in_template_p (tree
);
7302 extern void maybe_add_lambda_conv_op (tree
);
7303 extern bool is_lambda_ignored_entity (tree
);
7304 extern bool lambda_static_thunk_p (tree
);
7305 extern tree
finish_builtin_launder (location_t
, tree
,
7307 extern tree
cp_build_vec_convert (tree
, location_t
, tree
,
7309 extern void start_lambda_scope (tree
);
7310 extern void record_lambda_scope (tree
);
7311 extern void record_null_lambda_scope (tree
);
7312 extern void finish_lambda_scope (void);
7313 extern tree
start_lambda_function (tree fn
, tree lambda_expr
);
7314 extern void finish_lambda_function (tree body
);
7317 extern int cp_tree_operand_length (const_tree
);
7318 extern int cp_tree_code_length (enum tree_code
);
7319 extern void cp_free_lang_data (tree t
);
7320 extern tree
force_target_expr (tree
, tree
, tsubst_flags_t
);
7321 extern tree
build_target_expr_with_type (tree
, tree
, tsubst_flags_t
);
7322 extern void lang_check_failed (const char *, int,
7323 const char *) ATTRIBUTE_NORETURN
7325 extern tree
stabilize_expr (tree
, tree
*);
7326 extern void stabilize_call (tree
, tree
*);
7327 extern bool stabilize_init (tree
, tree
*);
7328 extern tree
add_stmt_to_compound (tree
, tree
);
7329 extern void init_tree (void);
7330 extern bool pod_type_p (const_tree
);
7331 extern bool layout_pod_type_p (const_tree
);
7332 extern bool std_layout_type_p (const_tree
);
7333 extern bool trivial_type_p (const_tree
);
7334 extern bool trivially_copyable_p (const_tree
);
7335 extern bool type_has_unique_obj_representations (const_tree
);
7336 extern bool scalarish_type_p (const_tree
);
7337 extern bool structural_type_p (tree
, bool = false);
7338 extern bool type_has_nontrivial_default_init (const_tree
);
7339 extern bool type_has_nontrivial_copy_init (const_tree
);
7340 extern void maybe_warn_parm_abi (tree
, location_t
);
7341 extern bool class_tmpl_impl_spec_p (const_tree
);
7342 extern int zero_init_p (const_tree
);
7343 extern bool check_abi_tag_redeclaration (const_tree
, const_tree
,
7345 extern bool check_abi_tag_args (tree
, tree
);
7346 extern tree
strip_typedefs (tree
, bool * = NULL
,
7348 extern tree
strip_typedefs_expr (tree
, bool * = NULL
,
7350 extern tree
copy_binfo (tree
, tree
, tree
,
7352 extern int member_p (const_tree
);
7353 extern cp_lvalue_kind
real_lvalue_p (const_tree
);
7354 extern cp_lvalue_kind
lvalue_kind (const_tree
);
7355 extern bool glvalue_p (const_tree
);
7356 extern bool obvalue_p (const_tree
);
7357 extern bool xvalue_p (const_tree
);
7358 extern bool bitfield_p (const_tree
);
7359 extern tree
cp_stabilize_reference (tree
);
7360 extern bool builtin_valid_in_constant_expr_p (const_tree
);
7361 extern tree
build_min (enum tree_code
, tree
, ...);
7362 extern tree
build_min_nt_loc (location_t
, enum tree_code
,
7364 extern tree
build_min_non_dep (enum tree_code
, tree
, ...);
7365 extern tree
build_min_non_dep_op_overload (enum tree_code
, tree
, tree
, ...);
7366 extern tree
build_min_nt_call_vec (tree
, vec
<tree
, va_gc
> *);
7367 extern tree
build_min_non_dep_call_vec (tree
, tree
, vec
<tree
, va_gc
> *);
7368 extern vec
<tree
, va_gc
>* vec_copy_and_insert (vec
<tree
, va_gc
>*, tree
, unsigned);
7369 extern tree
build_cplus_new (tree
, tree
, tsubst_flags_t
);
7370 extern tree
build_local_temp (tree
);
7371 extern bool is_local_temp (tree
);
7372 extern tree
build_aggr_init_expr (tree
, tree
);
7373 extern tree
get_target_expr (tree
);
7374 extern tree
get_target_expr_sfinae (tree
, tsubst_flags_t
);
7375 extern tree
build_cplus_array_type (tree
, tree
);
7376 extern tree
build_array_of_n_type (tree
, int);
7377 extern bool array_of_runtime_bound_p (tree
);
7378 extern bool vla_type_p (tree
);
7379 extern tree
build_array_copy (tree
);
7380 extern tree
build_vec_init_expr (tree
, tree
, tsubst_flags_t
);
7381 extern void diagnose_non_constexpr_vec_init (tree
);
7382 extern tree
hash_tree_cons (tree
, tree
, tree
);
7383 extern tree
hash_tree_chain (tree
, tree
);
7384 extern tree
build_qualified_name (tree
, tree
, tree
, bool);
7385 extern tree
build_ref_qualified_type (tree
, cp_ref_qualifier
);
7386 inline tree
ovl_first (tree
) ATTRIBUTE_PURE
;
7387 extern tree
ovl_make (tree fn
,
7388 tree next
= NULL_TREE
);
7389 extern tree
ovl_insert (tree fn
, tree maybe_ovl
,
7390 bool using_p
= false);
7391 extern tree
ovl_skip_hidden (tree
) ATTRIBUTE_PURE
;
7392 extern void lookup_mark (tree lookup
, bool val
);
7393 extern tree
lookup_add (tree fns
, tree lookup
);
7394 extern tree
lookup_maybe_add (tree fns
, tree lookup
,
7396 extern int is_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7397 extern bool really_overloaded_fn (tree
) ATTRIBUTE_PURE
;
7398 extern tree
dependent_name (tree
);
7399 extern tree
maybe_get_fns (tree
) ATTRIBUTE_PURE
;
7400 extern tree
get_fns (tree
) ATTRIBUTE_PURE
;
7401 extern tree
get_first_fn (tree
) ATTRIBUTE_PURE
;
7402 extern tree
ovl_scope (tree
);
7403 extern const char *cxx_printable_name (tree
, int);
7404 extern const char *cxx_printable_name_translate (tree
, int);
7405 extern tree
canonical_eh_spec (tree
);
7406 extern tree
build_cp_fntype_variant (tree
, cp_ref_qualifier
, tree
, bool);
7407 extern tree
build_exception_variant (tree
, tree
);
7408 extern tree
bind_template_template_parm (tree
, tree
);
7409 extern tree
array_type_nelts_total (tree
);
7410 extern tree
array_type_nelts_top (tree
);
7411 extern tree
break_out_target_exprs (tree
, bool = false);
7412 extern tree
build_ctor_subob_ref (tree
, tree
, tree
);
7413 extern tree
replace_placeholders (tree
, tree
, bool * = NULL
);
7414 extern bool find_placeholders (tree
);
7415 extern tree
get_type_decl (tree
);
7416 extern tree
decl_namespace_context (tree
);
7417 extern bool decl_anon_ns_mem_p (const_tree
);
7418 extern tree
lvalue_type (tree
);
7419 extern tree
error_type (tree
);
7420 extern int varargs_function_p (const_tree
);
7421 extern bool cp_tree_equal (tree
, tree
);
7422 extern tree
no_linkage_check (tree
, bool);
7423 extern void debug_binfo (tree
);
7424 extern tree
build_dummy_object (tree
);
7425 extern tree
maybe_dummy_object (tree
, tree
*);
7426 extern int is_dummy_object (const_tree
);
7427 extern const struct attribute_spec cxx_attribute_table
[];
7428 extern tree
make_ptrmem_cst (tree
, tree
);
7429 extern tree
cp_build_type_attribute_variant (tree
, tree
);
7430 extern tree
cp_build_reference_type (tree
, bool);
7431 extern tree
move (tree
);
7432 extern tree
cp_build_qualified_type_real (tree
, int, tsubst_flags_t
);
7433 #define cp_build_qualified_type(TYPE, QUALS) \
7434 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
7435 extern bool cv_qualified_p (const_tree
);
7436 extern tree
cv_unqualified (tree
);
7437 extern special_function_kind
special_function_p (const_tree
);
7438 extern special_function_kind
special_memfn_p (const_tree
);
7439 extern int count_trees (tree
);
7440 extern int char_type_p (tree
);
7441 extern void verify_stmt_tree (tree
);
7442 extern linkage_kind
decl_linkage (tree
);
7443 extern duration_kind
decl_storage_duration (tree
);
7444 extern tree
cp_walk_subtrees (tree
*, int*, walk_tree_fn
,
7445 void*, hash_set
<tree
> *);
7446 #define cp_walk_tree(tp,func,data,pset) \
7447 walk_tree_1 (tp, func, data, pset, cp_walk_subtrees)
7448 #define cp_walk_tree_without_duplicates(tp,func,data) \
7449 walk_tree_without_duplicates_1 (tp, func, data, cp_walk_subtrees)
7450 extern tree
rvalue (tree
);
7451 extern tree
convert_bitfield_to_declared_type (tree
);
7452 extern tree
cp_save_expr (tree
);
7453 extern bool cast_valid_in_integral_constant_expression_p (tree
);
7454 extern bool cxx_type_hash_eq (const_tree
, const_tree
);
7455 extern tree
cxx_copy_lang_qualifiers (const_tree
, const_tree
);
7457 extern void cxx_print_statistics (void);
7458 extern bool maybe_warn_zero_as_null_pointer_constant (tree
, location_t
);
7459 /* Analogous to initializer_zerop but also examines the type for
7460 which the initializer is being used. Unlike initializer_zerop,
7461 considers empty strings to be zero initializers for arrays and
7462 non-zero for pointers. */
7463 extern bool type_initializer_zero_p (tree
, tree
);
7466 extern void cxx_print_xnode (FILE *, tree
, int);
7467 extern void cxx_print_decl (FILE *, tree
, int);
7468 extern void cxx_print_type (FILE *, tree
, int);
7469 extern void cxx_print_identifier (FILE *, tree
, int);
7470 extern void cxx_print_error_function (diagnostic_context
*,
7472 struct diagnostic_info
*);
7475 /* Says how we should behave when comparing two arrays one of which
7476 has unknown bounds. */
7477 enum compare_bounds_t
{ bounds_none
, bounds_either
, bounds_first
};
7479 extern bool cxx_mark_addressable (tree
, bool = false);
7480 extern int string_conv_p (const_tree
, const_tree
, int);
7481 extern tree
cp_truthvalue_conversion (tree
, tsubst_flags_t
);
7482 extern tree
contextual_conv_bool (tree
, tsubst_flags_t
);
7483 extern tree
condition_conversion (tree
);
7484 extern tree
require_complete_type (tree
);
7485 extern tree
require_complete_type_sfinae (tree
, tsubst_flags_t
);
7486 extern tree
complete_type (tree
);
7487 extern tree
complete_type_or_else (tree
, tree
);
7488 extern tree
complete_type_or_maybe_complain (tree
, tree
, tsubst_flags_t
);
7489 inline bool type_unknown_p (const_tree
);
7490 enum { ce_derived
, ce_type
, ce_normal
, ce_exact
};
7491 extern bool comp_except_specs (const_tree
, const_tree
, int);
7492 extern bool comptypes (tree
, tree
, int);
7493 extern bool same_type_ignoring_top_level_qualifiers_p (tree
, tree
);
7494 extern bool similar_type_p (tree
, tree
);
7495 extern bool compparms (const_tree
, const_tree
);
7496 extern int comp_cv_qualification (const_tree
, const_tree
);
7497 extern int comp_cv_qualification (int, int);
7498 extern int comp_cv_qual_signature (tree
, tree
);
7499 extern tree
cxx_sizeof_or_alignof_expr (location_t
, tree
,
7500 enum tree_code
, bool);
7501 extern tree
cxx_sizeof_or_alignof_type (location_t
, tree
,
7502 enum tree_code
, bool, bool);
7503 extern tree
cxx_alignas_expr (tree
);
7504 extern tree
cxx_sizeof_nowarn (tree
);
7505 extern tree
is_bitfield_expr_with_lowered_type (const_tree
);
7506 extern tree
unlowered_expr_type (const_tree
);
7507 extern tree
decay_conversion (tree
,
7510 extern tree
build_class_member_access_expr (cp_expr
, tree
, tree
, bool,
7512 extern tree
finish_class_member_access_expr (cp_expr
, tree
, bool,
7514 extern tree
lookup_destructor (tree
, tree
, tree
, tsubst_flags_t
);
7515 extern tree
build_x_indirect_ref (location_t
, tree
,
7518 extern tree
cp_build_indirect_ref (location_t
, tree
,
7521 extern tree
cp_build_fold_indirect_ref (tree
);
7522 extern tree
build_array_ref (location_t
, tree
, tree
);
7523 extern tree
cp_build_array_ref (location_t
, tree
, tree
,
7525 extern tree
get_member_function_from_ptrfunc (tree
*, tree
, tsubst_flags_t
);
7526 extern tree
cp_build_function_call_nary (tree
, tsubst_flags_t
, ...)
7528 extern tree
cp_build_function_call_vec (tree
, vec
<tree
, va_gc
> **,
7531 extern tree
build_x_binary_op (const op_location_t
&,
7532 enum tree_code
, tree
,
7533 enum tree_code
, tree
,
7534 enum tree_code
, tree
*,
7536 inline tree
build_x_binary_op (const op_location_t
&loc
,
7537 enum tree_code code
, tree arg1
, tree arg2
,
7538 tsubst_flags_t complain
)
7540 return build_x_binary_op (loc
, code
, arg1
, TREE_CODE (arg1
), arg2
,
7541 TREE_CODE (arg2
), NULL
, complain
);
7543 extern tree
build_x_array_ref (location_t
, tree
, tree
,
7545 extern tree
build_x_unary_op (location_t
,
7546 enum tree_code
, cp_expr
,
7548 extern tree
cp_build_addressof (location_t
, tree
,
7550 extern tree
cp_build_addr_expr (tree
, tsubst_flags_t
);
7551 extern tree
cp_build_unary_op (enum tree_code
, tree
, bool,
7553 extern tree
genericize_compound_lvalue (tree
);
7554 extern tree
unary_complex_lvalue (enum tree_code
, tree
);
7555 extern tree
build_x_conditional_expr (location_t
, tree
, tree
, tree
,
7557 extern tree
build_x_compound_expr_from_list (tree
, expr_list_kind
,
7559 extern tree
build_x_compound_expr_from_vec (vec
<tree
, va_gc
> *,
7560 const char *, tsubst_flags_t
);
7561 extern tree
build_x_compound_expr (location_t
, tree
, tree
,
7563 extern tree
build_compound_expr (location_t
, tree
, tree
);
7564 extern tree
cp_build_compound_expr (tree
, tree
, tsubst_flags_t
);
7565 extern tree
build_static_cast (location_t
, tree
, tree
,
7567 extern tree
build_reinterpret_cast (location_t
, tree
, tree
,
7569 extern tree
build_const_cast (location_t
, tree
, tree
,
7571 extern tree
build_c_cast (location_t
, tree
, tree
);
7572 extern cp_expr
build_c_cast (location_t loc
, tree type
,
7574 extern tree
cp_build_c_cast (location_t
, tree
, tree
,
7576 extern cp_expr
build_x_modify_expr (location_t
, tree
,
7577 enum tree_code
, tree
,
7579 extern tree
cp_build_modify_expr (location_t
, tree
,
7580 enum tree_code
, tree
,
7582 extern tree
convert_for_initialization (tree
, tree
, tree
, int,
7583 impl_conv_rhs
, tree
, int,
7585 extern int comp_ptr_ttypes (tree
, tree
);
7586 extern bool comp_ptr_ttypes_const (tree
, tree
, compare_bounds_t
);
7587 extern bool error_type_p (const_tree
);
7588 extern bool ptr_reasonably_similar (const_tree
, const_tree
);
7589 extern tree
build_ptrmemfunc (tree
, tree
, int, bool,
7591 extern int cp_type_quals (const_tree
);
7592 extern int type_memfn_quals (const_tree
);
7593 extern cp_ref_qualifier
type_memfn_rqual (const_tree
);
7594 extern tree
apply_memfn_quals (tree
, cp_cv_quals
,
7595 cp_ref_qualifier
= REF_QUAL_NONE
);
7596 extern bool cp_has_mutable_p (const_tree
);
7597 extern bool at_least_as_qualified_p (const_tree
, const_tree
);
7598 extern void cp_apply_type_quals_to_decl (int, tree
);
7599 extern tree
build_ptrmemfunc1 (tree
, tree
, tree
);
7600 extern void expand_ptrmemfunc_cst (tree
, tree
*, tree
*);
7601 extern tree
type_after_usual_arithmetic_conversions (tree
, tree
);
7602 extern tree
common_pointer_type (tree
, tree
);
7603 extern tree
composite_pointer_type (const op_location_t
&,
7604 tree
, tree
, tree
, tree
,
7605 composite_pointer_operation
,
7607 extern tree
merge_types (tree
, tree
);
7608 extern tree
strip_array_domain (tree
);
7609 extern tree
check_return_expr (tree
, bool *);
7610 extern tree
spaceship_type (tree
, tsubst_flags_t
= tf_warning_or_error
);
7611 extern tree
genericize_spaceship (tree
, tree
, tree
);
7612 extern tree
cp_build_binary_op (const op_location_t
&,
7613 enum tree_code
, tree
, tree
,
7615 extern tree
build_x_vec_perm_expr (location_t
,
7618 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (input_location, T, SIZEOF_EXPR, false, true)
7619 extern tree
build_simple_component_ref (tree
, tree
);
7620 extern tree
build_ptrmemfunc_access_expr (tree
, tree
);
7621 extern tree
build_address (tree
);
7622 extern tree
build_nop (tree
, tree
);
7623 extern tree
non_reference (tree
);
7624 extern tree
lookup_anon_field (tree
, tree
);
7625 extern bool invalid_nonstatic_memfn_p (location_t
, tree
,
7627 extern tree
convert_member_func_to_ptr (tree
, tree
, tsubst_flags_t
);
7628 extern tree
convert_ptrmem (tree
, tree
, bool, bool,
7630 extern int lvalue_or_else (tree
, enum lvalue_use
,
7632 extern void check_template_keyword (tree
);
7633 extern bool check_raw_literal_operator (const_tree decl
);
7634 extern bool check_literal_operator_args (const_tree
, bool *, bool *);
7635 extern void maybe_warn_about_useless_cast (location_t
, tree
, tree
,
7637 extern tree
cp_perform_integral_promotions (tree
, tsubst_flags_t
);
7639 extern tree
finish_left_unary_fold_expr (tree
, int);
7640 extern tree
finish_right_unary_fold_expr (tree
, int);
7641 extern tree
finish_binary_fold_expr (tree
, tree
, int);
7642 extern bool treat_lvalue_as_rvalue_p (tree
, bool);
7643 extern bool decl_in_std_namespace_p (tree
);
7646 extern void require_complete_eh_spec_types (tree
, tree
);
7647 extern void cxx_incomplete_type_diagnostic (location_t
, const_tree
,
7648 const_tree
, diagnostic_t
);
7651 cp_expr_loc_or_loc (const_tree t
, location_t or_loc
)
7653 location_t loc
= cp_expr_location (t
);
7654 if (loc
== UNKNOWN_LOCATION
)
7660 cp_expr_loc_or_input_loc (const_tree t
)
7662 return cp_expr_loc_or_loc (t
, input_location
);
7666 cxx_incomplete_type_diagnostic (const_tree value
, const_tree type
,
7667 diagnostic_t diag_kind
)
7669 cxx_incomplete_type_diagnostic (cp_expr_loc_or_input_loc (value
),
7670 value
, type
, diag_kind
);
7673 extern void cxx_incomplete_type_error (location_t
, const_tree
,
7676 cxx_incomplete_type_error (const_tree value
, const_tree type
)
7678 cxx_incomplete_type_diagnostic (value
, type
, DK_ERROR
);
7681 extern void cxx_incomplete_type_inform (const_tree
);
7682 extern tree
error_not_base_type (tree
, tree
);
7683 extern tree
binfo_or_else (tree
, tree
);
7684 extern void cxx_readonly_error (location_t
, tree
,
7686 extern void complete_type_check_abstract (tree
);
7687 extern int abstract_virtuals_error (tree
, tree
);
7688 extern int abstract_virtuals_error (abstract_class_use
, tree
);
7689 extern int abstract_virtuals_error_sfinae (tree
, tree
, tsubst_flags_t
);
7690 extern int abstract_virtuals_error_sfinae (abstract_class_use
, tree
, tsubst_flags_t
);
7692 extern tree
store_init_value (tree
, tree
, vec
<tree
, va_gc
>**, int);
7693 extern tree
split_nonconstant_init (tree
, tree
);
7694 extern bool check_narrowing (tree
, tree
, tsubst_flags_t
,
7696 extern bool ordinary_char_type_p (tree
);
7697 extern tree
digest_init (tree
, tree
, tsubst_flags_t
);
7698 extern tree
digest_init_flags (tree
, tree
, int, tsubst_flags_t
);
7699 extern tree
digest_nsdmi_init (tree
, tree
, tsubst_flags_t
);
7700 extern tree
build_scoped_ref (tree
, tree
, tree
*);
7701 extern tree
build_x_arrow (location_t
, tree
,
7703 extern tree
build_m_component_ref (tree
, tree
, tsubst_flags_t
);
7704 extern tree
build_functional_cast (location_t
, tree
, tree
,
7706 extern tree
add_exception_specifier (tree
, tree
, tsubst_flags_t
);
7707 extern tree
merge_exception_specifiers (tree
, tree
);
7710 extern void init_mangle (void);
7711 extern void mangle_decl (tree
);
7712 extern const char *mangle_type_string (tree
);
7713 extern tree
mangle_typeinfo_for_type (tree
);
7714 extern tree
mangle_typeinfo_string_for_type (tree
);
7715 extern tree
mangle_vtbl_for_type (tree
);
7716 extern tree
mangle_vtt_for_type (tree
);
7717 extern tree
mangle_ctor_vtbl_for_type (tree
, tree
);
7718 extern tree
mangle_thunk (tree
, int, tree
, tree
, tree
);
7719 extern tree
mangle_guard_variable (tree
);
7720 extern tree
mangle_tls_init_fn (tree
);
7721 extern tree
mangle_tls_wrapper_fn (tree
);
7722 extern bool decl_tls_wrapper_p (tree
);
7723 extern tree
mangle_ref_init_variable (tree
);
7724 extern tree
mangle_template_parm_object (tree
);
7725 extern char * get_mangled_vtable_map_var_name (tree
);
7726 extern bool mangle_return_type_p (tree
);
7727 extern tree
mangle_decomp (tree
, vec
<tree
> &);
7730 extern bool cp_dump_tree (void *, tree
);
7732 /* In cp/cp-objcp-common.c. */
7734 extern alias_set_type
cxx_get_alias_set (tree
);
7735 extern bool cxx_warn_unused_global_decl (const_tree
);
7736 extern size_t cp_tree_size (enum tree_code
);
7737 extern bool cp_var_mod_type_p (tree
, tree
);
7738 extern void cxx_initialize_diagnostics (diagnostic_context
*);
7739 extern int cxx_types_compatible_p (tree
, tree
);
7740 extern bool cxx_block_may_fallthru (const_tree
);
7742 /* in cp-gimplify.c */
7743 extern int cp_gimplify_expr (tree
*, gimple_seq
*,
7745 extern void cp_genericize (tree
);
7746 extern bool cxx_omp_const_qual_no_mutable (tree
);
7747 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing_1 (tree
);
7748 extern enum omp_clause_default_kind
cxx_omp_predetermined_sharing (tree
);
7749 extern tree
cxx_omp_clause_default_ctor (tree
, tree
, tree
);
7750 extern tree
cxx_omp_clause_copy_ctor (tree
, tree
, tree
);
7751 extern tree
cxx_omp_clause_assign_op (tree
, tree
, tree
);
7752 extern tree
cxx_omp_clause_dtor (tree
, tree
);
7753 extern void cxx_omp_finish_clause (tree
, gimple_seq
*);
7754 extern bool cxx_omp_privatize_by_reference (const_tree
);
7755 extern bool cxx_omp_disregard_value_expr (tree
, bool);
7756 extern void cp_fold_function (tree
);
7757 extern tree
cp_fold_maybe_rvalue (tree
, bool);
7758 extern tree
cp_fold_rvalue (tree
);
7759 extern tree
cp_fully_fold (tree
);
7760 extern tree
cp_fully_fold_init (tree
);
7761 extern void clear_fold_cache (void);
7762 extern tree
lookup_hotness_attribute (tree
);
7763 extern tree
process_stmt_hotness_attribute (tree
, location_t
);
7764 extern bool simple_empty_class_p (tree
, tree
, tree_code
);
7765 extern tree
fold_builtin_source_location (location_t
);
7767 /* in name-lookup.c */
7768 extern tree
strip_using_decl (tree
);
7770 /* Tell the binding oracle what kind of binding we are looking for. */
7772 enum cp_oracle_request
7774 CP_ORACLE_IDENTIFIER
7777 /* If this is non-NULL, then it is a "binding oracle" which can lazily
7778 create bindings when needed by the C compiler. The oracle is told
7779 the name and type of the binding to create. It can call pushdecl
7780 or the like to ensure the binding is visible; or do nothing,
7781 leaving the binding untouched. c-decl.c takes note of when the
7782 oracle has been called and will not call it again if it fails to
7783 create a given binding. */
7785 typedef void cp_binding_oracle_function (enum cp_oracle_request
, tree identifier
);
7787 extern cp_binding_oracle_function
*cp_binding_oracle
;
7789 /* Set during diagnostics to record the failed constraint. This is a
7790 TREE_LIST whose VALUE is the constraint and whose PURPOSE are the
7791 instantiation arguments Defined in pt.c. */
7793 extern tree current_failed_constraint
;
7795 /* An RAII class to manage the failed constraint. */
7797 struct diagnosing_failed_constraint
7799 diagnosing_failed_constraint (tree
, tree
, bool);
7800 ~diagnosing_failed_constraint ();
7802 bool diagnosing_error
;
7805 /* in constraint.cc */
7807 extern cp_expr
finish_constraint_or_expr (location_t
, cp_expr
, cp_expr
);
7808 extern cp_expr
finish_constraint_and_expr (location_t
, cp_expr
, cp_expr
);
7809 extern cp_expr
finish_constraint_primary_expr (cp_expr
);
7810 extern tree
finish_concept_definition (cp_expr
, tree
);
7811 extern tree
combine_constraint_expressions (tree
, tree
);
7812 extern tree
append_constraint (tree
, tree
);
7813 extern tree
get_constraints (const_tree
);
7814 extern void set_constraints (tree
, tree
);
7815 extern void remove_constraints (tree
);
7816 extern tree
current_template_constraints (void);
7817 extern tree
associate_classtype_constraints (tree
);
7818 extern tree
build_constraints (tree
, tree
);
7819 extern tree
get_template_head_requirements (tree
);
7820 extern tree
get_trailing_function_requirements (tree
);
7821 extern tree
get_shorthand_constraints (tree
);
7823 extern tree
build_concept_id (tree
);
7824 extern tree
build_type_constraint (tree
, tree
, tsubst_flags_t
);
7825 extern tree
build_concept_check (tree
, tree
, tsubst_flags_t
);
7826 extern tree
build_concept_check (tree
, tree
, tree
, tsubst_flags_t
);
7828 extern tree_pair
finish_type_constraints (tree
, tree
, tsubst_flags_t
);
7829 extern tree
build_constrained_parameter (tree
, tree
, tree
= NULL_TREE
);
7830 extern void placeholder_extract_concept_and_args (tree
, tree
&, tree
&);
7831 extern bool equivalent_placeholder_constraints (tree
, tree
);
7832 extern hashval_t
hash_placeholder_constraint (tree
);
7833 extern bool deduce_constrained_parameter (tree
, tree
&, tree
&);
7834 extern tree
resolve_constraint_check (tree
);
7835 extern tree
check_function_concept (tree
);
7836 extern tree
finish_template_introduction (tree
, tree
, location_t loc
);
7837 extern bool valid_requirements_p (tree
);
7838 extern tree
finish_concept_name (tree
);
7839 extern tree
finish_shorthand_constraint (tree
, tree
);
7840 extern tree
finish_requires_expr (location_t
, tree
, tree
);
7841 extern tree
finish_simple_requirement (location_t
, tree
);
7842 extern tree
finish_type_requirement (location_t
, tree
);
7843 extern tree
finish_compound_requirement (location_t
, tree
, tree
, bool);
7844 extern tree
finish_nested_requirement (location_t
, tree
);
7845 extern void check_constrained_friend (tree
, tree
);
7846 extern tree
tsubst_requires_expr (tree
, tree
, tsubst_flags_t
, tree
);
7847 extern tree
tsubst_constraint (tree
, tree
, tsubst_flags_t
, tree
);
7848 extern tree
tsubst_constraint_info (tree
, tree
, tsubst_flags_t
, tree
);
7849 extern tree
tsubst_parameter_mapping (tree
, tree
, tsubst_flags_t
, tree
);
7850 extern tree
get_mapped_args (tree
);
7852 struct processing_constraint_expression_sentinel
7854 processing_constraint_expression_sentinel ();
7855 ~processing_constraint_expression_sentinel ();
7858 extern bool processing_constraint_expression_p ();
7860 extern tree
unpack_concept_check (tree
);
7861 extern tree
evaluate_concept_check (tree
, tsubst_flags_t
);
7862 extern tree
satisfy_constraint_expression (tree
);
7863 extern bool constraints_satisfied_p (tree
);
7864 extern bool constraints_satisfied_p (tree
, tree
);
7865 extern void clear_satisfaction_cache ();
7866 extern bool* lookup_subsumption_result (tree
, tree
);
7867 extern bool save_subsumption_result (tree
, tree
, bool);
7868 extern tree
find_template_parameters (tree
, tree
);
7869 extern bool equivalent_constraints (tree
, tree
);
7870 extern bool equivalently_constrained (tree
, tree
);
7871 extern bool subsumes_constraints (tree
, tree
);
7872 extern bool strictly_subsumes (tree
, tree
, tree
);
7873 extern bool weakly_subsumes (tree
, tree
, tree
);
7874 extern int more_constrained (tree
, tree
);
7875 extern bool at_least_as_constrained (tree
, tree
);
7876 extern bool constraints_equivalent_p (tree
, tree
);
7877 extern bool atomic_constraints_identical_p (tree
, tree
);
7878 extern hashval_t
iterative_hash_constraint (tree
, hashval_t
);
7879 extern hashval_t
hash_atomic_constraint (tree
);
7880 extern void diagnose_constraints (location_t
, tree
, tree
);
7883 extern bool subsumes (tree
, tree
);
7886 extern void cp_finish_injected_record_type (tree
);
7888 /* in vtable-class-hierarchy.c */
7889 extern void vtv_compute_class_hierarchy_transitive_closure (void);
7890 extern void vtv_generate_init_routine (void);
7891 extern void vtv_save_class_info (tree
);
7892 extern void vtv_recover_class_info (void);
7893 extern void vtv_build_vtable_verify_fndecl (void);
7895 /* In constexpr.c */
7896 extern void fini_constexpr (void);
7897 extern bool literal_type_p (tree
);
7898 extern tree
register_constexpr_fundef (tree
, tree
);
7899 extern bool is_valid_constexpr_fn (tree
, bool);
7900 extern bool check_constexpr_ctor_body (tree
, tree
, bool);
7901 extern tree
constexpr_fn_retval (tree
);
7902 extern tree
ensure_literal_type_for_constexpr_object (tree
);
7903 extern bool potential_constant_expression (tree
);
7904 extern bool is_constant_expression (tree
);
7905 extern bool is_nondependent_constant_expression (tree
);
7906 extern bool is_nondependent_static_init_expression (tree
);
7907 extern bool is_static_init_expression (tree
);
7908 extern bool potential_rvalue_constant_expression (tree
);
7909 extern bool require_potential_constant_expression (tree
);
7910 extern bool require_constant_expression (tree
);
7911 extern bool require_rvalue_constant_expression (tree
);
7912 extern bool require_potential_rvalue_constant_expression (tree
);
7913 extern tree
cxx_constant_value (tree
, tree
= NULL_TREE
);
7914 extern void cxx_constant_dtor (tree
, tree
);
7915 extern tree
cxx_constant_init (tree
, tree
= NULL_TREE
);
7916 extern tree
maybe_constant_value (tree
, tree
= NULL_TREE
, bool = false);
7917 extern tree
maybe_constant_init (tree
, tree
= NULL_TREE
, bool = false);
7918 extern tree
fold_non_dependent_expr (tree
,
7919 tsubst_flags_t
= tf_warning_or_error
,
7920 bool = false, tree
= NULL_TREE
);
7921 extern tree
fold_non_dependent_init (tree
,
7922 tsubst_flags_t
= tf_warning_or_error
,
7924 extern tree
fold_simple (tree
);
7925 extern bool reduced_constant_expression_p (tree
);
7926 extern bool is_instantiation_of_constexpr (tree
);
7927 extern bool var_in_constexpr_fn (tree
);
7928 extern bool var_in_maybe_constexpr_fn (tree
);
7929 extern void explain_invalid_constexpr_fn (tree
);
7930 extern vec
<tree
> cx_error_context (void);
7931 extern tree
fold_sizeof_expr (tree
);
7932 extern void clear_cv_and_fold_caches (bool = true);
7933 extern tree
unshare_constructor (tree CXX_MEM_STAT_INFO
);
7936 extern void cp_ubsan_maybe_instrument_member_call (tree
);
7937 extern void cp_ubsan_instrument_member_accesses (tree
*);
7938 extern tree
cp_ubsan_maybe_instrument_downcast (location_t
, tree
, tree
, tree
);
7939 extern tree
cp_ubsan_maybe_instrument_cast_to_vbase (location_t
, tree
, tree
);
7940 extern void cp_ubsan_maybe_initialize_vtbl_ptrs (tree
);
7942 /* Inline bodies. */
7945 ovl_first (tree node
)
7947 while (TREE_CODE (node
) == OVERLOAD
)
7948 node
= OVL_FUNCTION (node
);
7953 type_unknown_p (const_tree expr
)
7955 return TREE_TYPE (expr
) == unknown_type_node
;
7959 named_decl_hash::hash (const value_type decl
)
7961 tree name
= OVL_NAME (decl
);
7962 return name
? IDENTIFIER_HASH_VALUE (name
) : 0;
7966 named_decl_hash::equal (const value_type existing
, compare_type candidate
)
7968 tree name
= OVL_NAME (existing
);
7969 return candidate
== name
;
7973 null_node_p (const_tree expr
)
7975 STRIP_ANY_LOCATION_WRAPPER (expr
);
7976 return expr
== null_node
;
7979 /* True iff T is a variable template declaration. */
7981 variable_template_p (tree t
)
7983 if (TREE_CODE (t
) != TEMPLATE_DECL
)
7985 if (!PRIMARY_TEMPLATE_P (t
))
7987 if (tree r
= DECL_TEMPLATE_RESULT (t
))
7992 /* True iff T is a standard concept definition. This will return
7993 true for both the template and underlying declaration. */
7996 standard_concept_p (tree t
)
7998 if (TREE_CODE (t
) == TEMPLATE_DECL
)
7999 t
= DECL_TEMPLATE_RESULT (t
);
8000 return TREE_CODE (t
) == CONCEPT_DECL
;
8003 /* True iff T is a variable concept definition. This will return
8004 true for both the template and the underlying declaration. */
8007 variable_concept_p (tree t
)
8009 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8010 t
= DECL_TEMPLATE_RESULT (t
);
8011 return VAR_P (t
) && DECL_DECLARED_CONCEPT_P (t
);
8014 /* True iff T is a function concept definition or an overload set
8015 containing multiple function concepts. This will return true for
8016 both the template and the underlying declaration. */
8019 function_concept_p (tree t
)
8021 if (TREE_CODE (t
) == OVERLOAD
)
8023 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8024 t
= DECL_TEMPLATE_RESULT (t
);
8025 return TREE_CODE (t
) == FUNCTION_DECL
&& DECL_DECLARED_CONCEPT_P (t
);
8028 /* True iff T is a standard, variable, or function concept. */
8031 concept_definition_p (tree t
)
8033 if (t
== error_mark_node
)
8036 /* Adjust for function concept overloads. */
8037 if (TREE_CODE (t
) == OVERLOAD
)
8040 /* See through templates. */
8041 if (TREE_CODE (t
) == TEMPLATE_DECL
)
8042 t
= DECL_TEMPLATE_RESULT (t
);
8044 /* The obvious and easy case. */
8045 if (TREE_CODE (t
) == CONCEPT_DECL
)
8048 /* Definitely not a concept. */
8049 if (!VAR_OR_FUNCTION_DECL_P (t
))
8051 if (!DECL_LANG_SPECIFIC (t
))
8054 return DECL_DECLARED_CONCEPT_P (t
);
8057 /* Same as above, but for const trees. */
8060 concept_definition_p (const_tree t
)
8062 return concept_definition_p (const_cast<tree
> (t
));
8065 /* True if t is an expression that checks a concept. */
8068 concept_check_p (const_tree t
)
8070 if (TREE_CODE (t
) == CALL_EXPR
)
8071 t
= CALL_EXPR_FN (t
);
8072 if (t
&& TREE_CODE (t
) == TEMPLATE_ID_EXPR
)
8073 return concept_definition_p (TREE_OPERAND (t
, 0));
8078 namespace selftest
{
8079 extern void run_cp_tests (void);
8081 /* Declarations for specific families of tests within cp,
8082 by source file, in alphabetical order. */
8083 extern void cp_pt_c_tests ();
8084 extern void cp_tree_c_tests (void);
8085 } // namespace selftest
8086 #endif /* #if CHECKING_P */
8090 #endif /* ! GCC_CP_TREE_H */