1 /* Definitions for C++ parsing and type checking.
2 Copyright (C) 1987-2015 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/>. */
30 #include "hard-reg-set.h"
35 /* In order for the format checking to accept the C++ front end
36 diagnostic framework extensions, you must include this file before
37 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
40 #define GCC_DIAG_STYLE __gcc_cxxdiag__
41 #if defined(GCC_DIAGNOSTIC_CORE_H) || defined (GCC_C_COMMON_H)
43 In order for the format checking to accept the C++ front end diagnostic \
44 framework extensions, you must include this file before diagnostic-core.h and \
45 c-common.h, not after.
47 #include "c-family/c-common.h"
48 #include "diagnostic.h"
50 #include "name-lookup.h"
52 /* Usage of TREE_LANG_FLAG_?:
53 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
54 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
55 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
56 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
57 CLEANUP_P (in TRY_BLOCK)
58 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
59 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF, SCOPE_REF)
60 PAREN_STRING_LITERAL (in STRING_CST)
61 DECL_GNU_TLS_P (in VAR_DECL)
62 KOENIG_LOOKUP_P (in CALL_EXPR)
63 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
64 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
65 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
66 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
67 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
68 OMP_FOR_GIMPLIFYING_P (in OMP_FOR, OMP_SIMD and OMP_DISTRIBUTE)
69 BASELINK_QUALIFIED_P (in BASELINK)
70 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
71 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
72 TREE_INDIRECT_USING (in a TREE_LIST of using-directives)
73 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
74 ABI_TAG_IMPLICIT (in the TREE_LIST for the argument of abi_tag)
75 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
76 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
77 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
78 VEC_INIT_EXPR_IS_CONSTEXPR (in VEC_INIT_EXPR)
79 DECL_OVERRIDE_P (in FUNCTION_DECL)
80 IMPLICIT_CONV_EXPR_DIRECT_INIT (in IMPLICIT_CONV_EXPR)
81 TRANSACTION_EXPR_IS_STMT (in TRANSACTION_EXPR)
82 CONVERT_EXPR_VBASE_PATH (in CONVERT_EXPR)
83 OVL_ARG_DEPENDENT (in OVERLOAD)
84 PACK_EXPANSION_LOCAL_P (in *_PACK_EXPANSION)
85 TINFO_HAS_ACCESS_ERRORS (in TEMPLATE_INFO)
86 SIZEOF_EXPR_TYPE_P (in SIZEOF_EXPR)
87 BLOCK_OUTER_CURLY_BRACE_P (in BLOCK)
88 1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
89 TI_PENDING_TEMPLATE_FLAG.
90 TEMPLATE_PARMS_FOR_INLINE.
91 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
92 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
93 ICS_ELLIPSIS_FLAG (in _CONV)
94 DECL_INITIALIZED_P (in VAR_DECL)
95 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
96 STMT_IS_FULL_EXPR_P (in _STMT)
97 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
98 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
99 DECL_FINAL_P (in FUNCTION_DECL)
100 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
101 DECLTYPE_FOR_INIT_CAPTURE (in DECLTYPE_TYPE)
102 CONSTRUCTOR_NO_IMPLICIT_ZERO (in CONSTRUCTOR)
103 TINFO_USED_TEMPLATE_ID (in TEMPLATE_INFO)
104 PACK_EXPANSION_SIZEOF_P (in *_PACK_EXPANSION)
105 2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE)
106 ICS_THIS_FLAG (in _CONV)
107 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
108 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
109 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
110 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
111 FNDECL_USED_AUTO (in FUNCTION_DECL)
112 DECLTYPE_FOR_LAMBDA_PROXY (in DECLTYPE_TYPE)
113 REF_PARENTHESIZED_P (in COMPONENT_REF, INDIRECT_REF)
114 AGGR_INIT_ZERO_FIRST (in AGGR_INIT_EXPR)
115 CONSTRUCTOR_MUTABLE_POISON (in CONSTRUCTOR)
116 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
117 ICS_BAD_FLAG (in _CONV)
118 FN_TRY_BLOCK_P (in TRY_BLOCK)
119 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
120 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
121 DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL)
122 CALL_EXPR_LIST_INIT_P (in CALL_EXPR, AGGR_INIT_EXPR)
123 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
125 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
126 DECL_TINFO_P (in VAR_DECL)
127 FUNCTION_REF_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
128 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
129 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
130 FUNCTION_RVALUE_QUALIFIED (in FUNCTION_TYPE, METHOD_TYPE)
131 6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE)
132 DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL)
133 TYPE_MARKED_P (in _TYPE)
134 RANGE_FOR_IVDEP (in RANGE_FOR_STMT)
136 Usage of TYPE_LANG_FLAG_?:
138 1: TYPE_HAS_USER_CONSTRUCTOR.
139 2: TYPE_HAS_LATE_RETURN_TYPE (in FUNCTION_TYPE, METHOD_TYPE)
140 TYPE_PTRMEMFUNC_FLAG (in RECORD_TYPE)
142 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
143 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
144 ENUM_FIXED_UNDERLYING_TYPE_P (in ENUMERAL_TYPE)
145 AUTO_IS_DECLTYPE (in TEMPLATE_TYPE_PARM)
146 REFERENCE_VLA_OK (in REFERENCE_TYPE)
147 6: TYPE_DEPENDENT_P_VALID
149 Usage of DECL_LANG_FLAG_?:
150 0: DECL_ERROR_REPORTED (in VAR_DECL).
151 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
152 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
153 DECL_MUTABLE_P (in FIELD_DECL)
154 DECL_DEPENDENT_P (in USING_DECL)
155 LABEL_DECL_BREAK (in LABEL_DECL)
156 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
157 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
158 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
159 USING_DECL_TYPENAME_P (in USING_DECL)
160 DECL_VLA_CAPTURE_P (in FIELD_DECL)
161 DECL_ARRAY_PARAMETER_P (in PARM_DECL)
162 LABEL_DECL_CONTINUE (in LABEL_DECL)
163 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
164 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
165 TEMPLATE_DECL_COMPLEX_ALIAS_P (in TEMPLATE_DECL)
167 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
168 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
169 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
170 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
171 5: DECL_INTERFACE_KNOWN.
172 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
173 DECL_FIELD_IS_BASE (in FIELD_DECL)
174 TYPE_DECL_ALIAS_P (in TYPE_DECL)
175 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
176 DECL_THUNK_P (in a member FUNCTION_DECL)
177 DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
178 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
180 Usage of language-independent fields in a language-dependent manner:
183 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
184 forth as a substitute for the mark bits provided in `lang_type'.
185 At present, only the six low-order bits are used.
188 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO.
189 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS
192 For a binfo, this is a TREE_LIST. There is an entry for each
193 virtual function declared either in BINFO or its direct and
194 indirect primary bases.
196 The BV_DELTA of each node gives the amount by which to adjust the
197 `this' pointer when calling the function. If the method is an
198 overridden version of a base class method, then it is assumed
199 that, prior to adjustment, the this pointer points to an object
202 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
203 index of the vcall offset for this entry.
205 The BV_FN is the declaration for the virtual function itself.
207 If BV_LOST_PRIMARY is set, it means that this entry is for a lost
208 primary virtual base and can be left null in the vtable.
211 This is an expression with POINTER_TYPE that gives the value
212 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
213 to extract the VAR_DECL for the complete vtable.
216 This field is NULL for a non-virtual function. For a virtual
217 function, it is eventually set to an INTEGER_CST indicating the
218 index in the vtable at which this function can be found. When
219 a virtual function is declared, but before it is known what
220 function is overridden, this field is the error_mark_node.
222 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
223 the virtual function this one overrides, and whose TREE_CHAIN is
224 the old DECL_VINDEX. */
226 /* Language-specific tree checkers. */
228 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
229 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
231 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK(NODE) \
232 TREE_CHECK3(NODE,TYPE_DECL,TEMPLATE_DECL,FUNCTION_DECL)
234 #define TYPE_FUNCTION_OR_TEMPLATE_DECL_P(NODE) \
235 (TREE_CODE (NODE) == TYPE_DECL || TREE_CODE (NODE) == TEMPLATE_DECL \
236 || TREE_CODE (NODE) == FUNCTION_DECL)
238 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
239 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
241 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
242 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
244 #define VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK(NODE) \
245 TREE_CHECK5(NODE,VAR_DECL,FIELD_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
247 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
248 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
250 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
251 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
252 ({ __typeof (NODE) const __t = (NODE); \
253 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
254 || !__t->decl_common.lang_specific->u.fn.thunk_p) \
255 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
258 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
261 /* Language-dependent contents of an identifier. */
263 struct GTY(()) lang_identifier {
264 struct c_common_identifier c_common;
265 cxx_binding *namespace_bindings;
266 cxx_binding *bindings;
267 tree class_template_info;
271 /* Return a typed pointer version of T if it designates a
272 C++ front-end identifier. */
273 inline lang_identifier*
274 identifier_p (tree t)
276 if (TREE_CODE (t) == IDENTIFIER_NODE)
277 return (lang_identifier*) t;
281 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
282 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
283 and C_RID_YYCODE is the token number wanted by Yacc. */
285 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
287 #define LANG_IDENTIFIER_CAST(NODE) \
288 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
290 struct GTY(()) template_parm_index_s {
291 struct tree_common common;
297 typedef struct template_parm_index_s template_parm_index;
299 struct GTY(()) ptrmem_cst {
300 struct tree_common common;
303 typedef struct ptrmem_cst * ptrmem_cst_t;
305 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
306 namespace_binding ((NODE), global_namespace)
307 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
308 set_namespace_binding ((NODE), global_namespace, (VAL))
309 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
310 namespace_binding ((NODE), current_namespace)
311 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
312 set_namespace_binding ((NODE), current_namespace, (VAL))
314 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
316 #define BIND_EXPR_TRY_BLOCK(NODE) \
317 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
319 /* Used to mark the block around the member initializers and cleanups. */
320 #define BIND_EXPR_BODY_BLOCK(NODE) \
321 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
322 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
323 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE) \
324 || LAMBDA_FUNCTION_P (NODE))
326 #define STATEMENT_LIST_NO_SCOPE(NODE) \
327 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
328 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
329 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
331 /* Mark the outer curly brace BLOCK. */
332 #define BLOCK_OUTER_CURLY_BRACE_P(NODE) TREE_LANG_FLAG_0 (BLOCK_CHECK (NODE))
334 /* Nonzero if this statement should be considered a full-expression,
335 i.e., if temporaries created during this statement should have
336 their destructors run at the end of this statement. */
337 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
339 /* Marks the result of a statement expression. */
340 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
341 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
343 /* Nonzero if this statement-expression does not have an associated scope. */
344 #define STMT_EXPR_NO_SCOPE(NODE) \
345 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
347 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
349 #define same_type_p(TYPE1, TYPE2) \
350 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
352 /* Returns nonzero iff NODE is a declaration for the global function
354 #define DECL_MAIN_P(NODE) \
355 (DECL_EXTERN_C_FUNCTION_P (NODE) \
356 && DECL_NAME (NODE) != NULL_TREE \
357 && MAIN_NAME_P (DECL_NAME (NODE)) \
360 /* The overloaded FUNCTION_DECL. */
361 #define OVL_FUNCTION(NODE) \
362 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
363 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
364 /* Polymorphic access to FUNCTION and CHAIN. */
365 #define OVL_CURRENT(NODE) \
366 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
367 #define OVL_NEXT(NODE) \
368 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
369 /* If set, this was imported in a using declaration.
370 This is not to confuse with being used somewhere, which
371 is not important for this node. */
372 #define OVL_USED(NODE) TREE_USED (OVERLOAD_CHECK (NODE))
373 /* If set, this OVERLOAD was created for argument-dependent lookup
374 and can be freed afterward. */
375 #define OVL_ARG_DEPENDENT(NODE) TREE_LANG_FLAG_0 (OVERLOAD_CHECK (NODE))
377 struct GTY(()) tree_overload {
378 struct tree_common common;
382 struct GTY(()) tree_template_decl {
383 struct tree_decl_common common;
388 /* Returns true iff NODE is a BASELINK. */
389 #define BASELINK_P(NODE) \
390 (TREE_CODE (NODE) == BASELINK)
391 /* The BINFO indicating the base in which lookup found the
392 BASELINK_FUNCTIONS. */
393 #define BASELINK_BINFO(NODE) \
394 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
395 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
396 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
397 #define BASELINK_FUNCTIONS(NODE) \
398 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
399 /* The BINFO in which the search for the functions indicated by this baselink
400 began. This base is used to determine the accessibility of functions
401 selected by overload resolution. */
402 #define BASELINK_ACCESS_BINFO(NODE) \
403 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
404 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
405 to which the conversion should occur. This value is important if
406 the BASELINK_FUNCTIONS include a template conversion operator --
407 the BASELINK_OPTYPE can be used to determine what type the user
409 #define BASELINK_OPTYPE(NODE) \
410 (TREE_CHAIN (BASELINK_CHECK (NODE)))
411 /* Nonzero if this baselink was from a qualified lookup. */
412 #define BASELINK_QUALIFIED_P(NODE) \
413 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
415 struct GTY(()) tree_baselink {
416 struct tree_common common;
422 /* The different kinds of ids that we encounter. */
424 typedef enum cp_id_kind
426 /* Not an id at all. */
428 /* An unqualified-id that is not a template-id. */
429 CP_ID_KIND_UNQUALIFIED,
430 /* An unqualified-id that is a dependent name. */
431 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
432 /* An unqualified template-id. */
433 CP_ID_KIND_TEMPLATE_ID,
434 /* A qualified-id. */
439 /* The various kinds of C++0x warnings we encounter. */
441 typedef enum cpp0x_warn_str
443 /* extended initializer lists */
444 CPP0X_INITIALIZER_LISTS,
445 /* explicit conversion operators */
446 CPP0X_EXPLICIT_CONVERSION,
447 /* variadic templates */
448 CPP0X_VARIADIC_TEMPLATES,
449 /* lambda expressions */
455 /* defaulted and deleted functions */
456 CPP0X_DEFAULTED_DELETED,
457 /* inline namespaces */
458 CPP0X_INLINE_NAMESPACES,
459 /* override controls, override/final */
460 CPP0X_OVERRIDE_CONTROLS,
461 /* non-static data member initializers */
463 /* user defined literals */
464 CPP0X_USER_DEFINED_LITERALS,
465 /* delegating constructors */
466 CPP0X_DELEGATING_CTORS,
467 /* inheriting constructors */
468 CPP0X_INHERITING_CTORS,
469 /* C++11 attributes */
471 /* ref-qualified member functions */
475 /* The various kinds of operation used by composite_pointer_type. */
477 typedef enum composite_pointer_operation
483 /* conditional expression */
485 } composite_pointer_operation;
487 /* Possible cases of expression list used by build_x_compound_expr_from_list. */
488 typedef enum expr_list_kind {
489 ELK_INIT, /* initializer */
490 ELK_MEM_INIT, /* member initializer */
491 ELK_FUNC_CAST /* functional cast */
494 /* Possible cases of implicit bad rhs conversions. */
495 typedef enum impl_conv_rhs {
496 ICR_DEFAULT_ARGUMENT, /* default argument */
497 ICR_CONVERTING, /* converting */
498 ICR_INIT, /* initialization */
499 ICR_ARGPASS, /* argument passing */
500 ICR_RETURN, /* return */
501 ICR_ASSIGN /* assignment */
504 /* Possible cases of implicit or explicit bad conversions to void. */
505 typedef enum impl_conv_void {
506 ICV_CAST, /* (explicit) conversion to void */
507 ICV_SECOND_OF_COND, /* second operand of conditional expression */
508 ICV_THIRD_OF_COND, /* third operand of conditional expression */
509 ICV_RIGHT_OF_COMMA, /* right operand of comma operator */
510 ICV_LEFT_OF_COMMA, /* left operand of comma operator */
511 ICV_STATEMENT, /* statement */
512 ICV_THIRD_IN_FOR /* for increment expression */
515 /* Possible invalid uses of an abstract class that might not have a
516 specific associated declaration. */
517 typedef enum abstract_class_use {
518 ACU_UNKNOWN, /* unknown or decl provided */
519 ACU_CAST, /* cast to abstract class */
520 ACU_NEW, /* new-expression of abstract class */
521 ACU_THROW, /* throw-expression of abstract class */
522 ACU_CATCH, /* catch-parameter of abstract class */
523 ACU_ARRAY, /* array of abstract class */
524 ACU_RETURN, /* return type of abstract class */
525 ACU_PARM /* parameter type of abstract class */
526 } abstract_class_use;
528 /* Macros for access to language-specific slots in an identifier. */
530 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
531 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
532 #define IDENTIFIER_TEMPLATE(NODE) \
533 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
535 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
536 identifier. It's PREVIOUS is the next outermost binding. Each
537 VALUE field is a DECL for the associated declaration. Thus,
538 name lookup consists simply of pulling off the node at the front
539 of the list (modulo oddities for looking up the names of types,
540 and such.) You can use SCOPE field to determine the scope
541 that bound the name. */
542 #define IDENTIFIER_BINDING(NODE) \
543 (LANG_IDENTIFIER_CAST (NODE)->bindings)
545 /* TREE_TYPE only indicates on local and class scope the current
546 type. For namespace scope, the presence of a type in any namespace
547 is indicated with global_type_node, and the real type behind must
548 be found through lookup. */
549 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
550 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
551 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
552 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
554 #define IDENTIFIER_LABEL_VALUE(NODE) \
555 (LANG_IDENTIFIER_CAST (NODE)->label_value)
556 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
557 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
559 /* Nonzero if this identifier is used as a virtual function name somewhere
560 (optimizes searches). */
561 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
563 /* Nonzero if this identifier is the prefix for a mangled C++ operator
565 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
567 /* Nonzero if this identifier is the name of a type-conversion
569 #define IDENTIFIER_TYPENAME_P(NODE) \
570 TREE_LANG_FLAG_4 (NODE)
572 /* Nonzero if this identifier is the name of a constructor or
574 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
575 TREE_LANG_FLAG_3 (NODE)
577 /* True iff NAME is the DECL_ASSEMBLER_NAME for an entity with vague
578 linkage which the prelinker has assigned to this translation
580 #define IDENTIFIER_REPO_CHOSEN(NAME) \
581 (TREE_LANG_FLAG_6 (NAME))
583 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
584 #define C_TYPE_FIELDS_READONLY(TYPE) \
585 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
587 /* The tokens stored in the default argument. */
589 #define DEFARG_TOKENS(NODE) \
590 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
591 #define DEFARG_INSTANTIATIONS(NODE) \
592 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->instantiations)
594 struct GTY (()) tree_default_arg {
595 struct tree_common common;
596 struct cp_token_cache *tokens;
597 vec<tree, va_gc> *instantiations;
601 #define DEFERRED_NOEXCEPT_PATTERN(NODE) \
602 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->pattern)
603 #define DEFERRED_NOEXCEPT_ARGS(NODE) \
604 (((struct tree_deferred_noexcept *)DEFERRED_NOEXCEPT_CHECK (NODE))->args)
605 #define DEFERRED_NOEXCEPT_SPEC_P(NODE) \
606 ((NODE) && (TREE_PURPOSE (NODE)) \
607 && (TREE_CODE (TREE_PURPOSE (NODE)) == DEFERRED_NOEXCEPT))
608 #define UNEVALUATED_NOEXCEPT_SPEC_P(NODE) \
609 (DEFERRED_NOEXCEPT_SPEC_P (NODE) \
610 && DEFERRED_NOEXCEPT_PATTERN (TREE_PURPOSE (NODE)) == NULL_TREE)
612 struct GTY (()) tree_deferred_noexcept {
613 struct tree_base base;
619 /* The condition associated with the static assertion. This must be
620 an integral constant expression. */
621 #define STATIC_ASSERT_CONDITION(NODE) \
622 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
624 /* The message associated with the static assertion. This must be a
625 string constant, which will be emitted as an error message when the
626 static assert condition is false. */
627 #define STATIC_ASSERT_MESSAGE(NODE) \
628 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
630 /* Source location information for a static assertion. */
631 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
632 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
634 struct GTY (()) tree_static_assert {
635 struct tree_common common;
641 struct GTY (()) tree_argument_pack_select {
642 struct tree_common common;
647 /* The different kinds of traits that we encounter. */
649 typedef enum cp_trait_kind
653 CPTK_HAS_NOTHROW_ASSIGN,
654 CPTK_HAS_NOTHROW_CONSTRUCTOR,
655 CPTK_HAS_NOTHROW_COPY,
656 CPTK_HAS_TRIVIAL_ASSIGN,
657 CPTK_HAS_TRIVIAL_CONSTRUCTOR,
658 CPTK_HAS_TRIVIAL_COPY,
659 CPTK_HAS_TRIVIAL_DESTRUCTOR,
660 CPTK_HAS_VIRTUAL_DESTRUCTOR,
667 CPTK_IS_LITERAL_TYPE,
672 CPTK_IS_TRIVIALLY_ASSIGNABLE,
673 CPTK_IS_TRIVIALLY_CONSTRUCTIBLE,
674 CPTK_IS_TRIVIALLY_COPYABLE,
679 /* The types that we are processing. */
680 #define TRAIT_EXPR_TYPE1(NODE) \
681 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
683 #define TRAIT_EXPR_TYPE2(NODE) \
684 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
686 /* The specific trait that we are processing. */
687 #define TRAIT_EXPR_KIND(NODE) \
688 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
690 struct GTY (()) tree_trait_expr {
691 struct tree_common common;
694 enum cp_trait_kind kind;
697 /* Based off of TYPE_ANONYMOUS_P. */
698 #define LAMBDA_TYPE_P(NODE) \
699 (CLASS_TYPE_P (NODE) && CLASSTYPE_LAMBDA_EXPR (NODE))
701 /* Test if FUNCTION_DECL is a lambda function. */
702 #define LAMBDA_FUNCTION_P(FNDECL) \
703 (DECL_OVERLOADED_OPERATOR_P (FNDECL) == CALL_EXPR \
704 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
706 enum cp_lambda_default_capture_mode_type {
712 /* The method of default capture, if any. */
713 #define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
714 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
716 /* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
717 * so that the name, type, and field are all together, whether or not it has
718 * been added to the lambda's class type.
720 TREE_PURPOSE: The FIELD_DECL for this capture.
721 TREE_VALUE: The initializer. This is part of a GNU extension. */
722 #define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
723 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
725 /* During parsing of the lambda-introducer, the node in the capture-list
726 that holds the 'this' capture. During parsing of the body, the
727 capture proxy for that node. */
728 #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
729 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
731 /* Predicate tracking whether `this' is in the effective capture set. */
732 #define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
733 LAMBDA_EXPR_THIS_CAPTURE(NODE)
735 /* Predicate tracking whether the lambda was declared 'mutable'. */
736 #define LAMBDA_EXPR_MUTABLE_P(NODE) \
737 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
739 /* The return type in the expression.
740 * NULL_TREE indicates that none was specified. */
741 #define LAMBDA_EXPR_RETURN_TYPE(NODE) \
742 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->return_type)
744 /* The source location of the lambda. */
745 #define LAMBDA_EXPR_LOCATION(NODE) \
746 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
748 /* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
749 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
750 #define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
751 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
753 /* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
754 #define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
755 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
757 /* During parsing of the lambda, a vector of capture proxies which need
758 to be pushed once we're done processing a nested lambda. */
759 #define LAMBDA_EXPR_PENDING_PROXIES(NODE) \
760 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->pending_proxies)
762 /* The closure type of the lambda. Note that the TREE_TYPE of a
763 LAMBDA_EXPR is always NULL_TREE, because we need to instantiate the
764 LAMBDA_EXPR in order to instantiate the type. */
765 #define LAMBDA_EXPR_CLOSURE(NODE) \
766 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->closure)
768 struct GTY (()) tree_lambda_expr
770 struct tree_typed typed;
776 vec<tree, va_gc> *pending_proxies;
778 enum cp_lambda_default_capture_mode_type default_capture_mode;
782 /* A (typedef,context,usage location) triplet.
783 It represents a typedef used through a
784 context at a given source location.
791 foo::myint v; // #1<-- this location.
794 In bar, the triplet will be (myint, foo, #1).
796 struct GTY(()) qualified_typedef_usage_s {
801 typedef struct qualified_typedef_usage_s qualified_typedef_usage_t;
803 /* Non-zero if this template specialization has access violations that
804 should be rechecked when the function is instantiated outside argument
806 #define TINFO_HAS_ACCESS_ERRORS(NODE) \
807 (TREE_LANG_FLAG_0 (TEMPLATE_INFO_CHECK (NODE)))
808 #define FNDECL_HAS_ACCESS_ERRORS(NODE) \
809 (TINFO_HAS_ACCESS_ERRORS (DECL_TEMPLATE_INFO (NODE)))
811 /* Non-zero if this variable template specialization was specified using a
812 template-id, so it's a partial or full specialization and not a definition
813 of the member template of a particular class specialization. */
814 #define TINFO_USED_TEMPLATE_ID(NODE) \
815 (TREE_LANG_FLAG_1 (TEMPLATE_INFO_CHECK (NODE)))
817 struct GTY(()) tree_template_info {
818 struct tree_common common;
819 vec<qualified_typedef_usage_t, va_gc> *typedefs_needing_access_checking;
822 enum cp_tree_node_structure_enum {
833 TS_CP_DEFERRED_NOEXCEPT,
835 TS_CP_ARGUMENT_PACK_SELECT,
839 TS_CP_USERDEF_LITERAL,
843 /* The resulting tree type. */
844 union GTY((desc ("cp_tree_node_structure (&%h)"),
845 chain_next ("(union lang_tree_node *) c_tree_chain_next (&%h.generic)"))) lang_tree_node {
846 union tree_node GTY ((tag ("TS_CP_GENERIC"),
847 desc ("tree_node_structure (&%h)"))) generic;
848 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
849 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
850 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
851 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
852 struct tree_template_decl GTY ((tag ("TS_CP_TEMPLATE_DECL"))) template_decl;
853 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
854 struct tree_deferred_noexcept GTY ((tag ("TS_CP_DEFERRED_NOEXCEPT"))) deferred_noexcept;
855 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
856 struct tree_static_assert GTY ((tag ("TS_CP_STATIC_ASSERT")))
858 struct tree_argument_pack_select GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
859 argument_pack_select;
860 struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR")))
862 struct tree_lambda_expr GTY ((tag ("TS_CP_LAMBDA_EXPR")))
864 struct tree_template_info GTY ((tag ("TS_CP_TEMPLATE_INFO")))
866 struct tree_userdef_literal GTY ((tag ("TS_CP_USERDEF_LITERAL")))
874 CPTI_JAVA_SHORT_TYPE,
877 CPTI_JAVA_FLOAT_TYPE,
878 CPTI_JAVA_DOUBLE_TYPE,
880 CPTI_JAVA_BOOLEAN_TYPE,
883 CPTI_VTABLE_ENTRY_TYPE,
885 CPTI_VTABLE_INDEX_TYPE,
896 CPTI_CONST_TYPE_INFO_TYPE,
897 CPTI_TYPE_INFO_PTR_TYPE,
901 CPTI_CTOR_IDENTIFIER,
902 CPTI_COMPLETE_CTOR_IDENTIFIER,
903 CPTI_BASE_CTOR_IDENTIFIER,
904 CPTI_DTOR_IDENTIFIER,
905 CPTI_COMPLETE_DTOR_IDENTIFIER,
906 CPTI_BASE_DTOR_IDENTIFIER,
907 CPTI_DELETING_DTOR_IDENTIFIER,
908 CPTI_DELTA_IDENTIFIER,
909 CPTI_IN_CHARGE_IDENTIFIER,
910 CPTI_VTT_PARM_IDENTIFIER,
911 CPTI_NELTS_IDENTIFIER,
912 CPTI_THIS_IDENTIFIER,
914 CPTI_VPTR_IDENTIFIER,
918 CPTI_LANG_NAME_CPLUSPLUS,
921 CPTI_EMPTY_EXCEPT_SPEC,
922 CPTI_NOEXCEPT_TRUE_SPEC,
923 CPTI_NOEXCEPT_FALSE_SPEC,
926 CPTI_CALL_UNEXPECTED,
927 CPTI_ATEXIT_FN_PTR_TYPE,
940 extern GTY(()) tree cp_global_trees[CPTI_MAX];
942 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
943 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
944 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
945 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
946 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
947 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
948 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
949 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
951 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
952 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
953 /* The type used to represent an offset by which to adjust the `this'
954 pointer in pointer-to-member types. */
955 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
956 /* The type used to represent an index into the vtable. */
957 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
959 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
960 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
961 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
962 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
963 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
964 #define std_node cp_global_trees[CPTI_STD]
965 #define abi_node cp_global_trees[CPTI_ABI]
966 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
967 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
968 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
969 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
970 #define nullptr_node cp_global_trees[CPTI_NULLPTR]
971 #define nullptr_type_node cp_global_trees[CPTI_NULLPTR_TYPE]
973 /* We cache these tree nodes so as to call get_identifier less
976 /* The name of a constructor that takes an in-charge parameter to
977 decide whether or not to construct virtual base classes. */
978 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
979 /* The name of a constructor that constructs virtual base classes. */
980 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
981 /* The name of a constructor that does not construct virtual base classes. */
982 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
983 /* The name of a destructor that takes an in-charge parameter to
984 decide whether or not to destroy virtual base classes and whether
985 or not to delete the object. */
986 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
987 /* The name of a destructor that destroys virtual base classes. */
988 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
989 /* The name of a destructor that does not destroy virtual base
991 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
992 /* The name of a destructor that destroys virtual base classes, and
993 then deletes the entire object. */
994 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
995 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
996 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
997 /* The name of the parameter that contains a pointer to the VTT to use
998 for this subobject constructor or destructor. */
999 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
1000 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
1001 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
1002 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
1003 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
1004 /* The name of the std namespace. */
1005 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
1006 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
1007 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
1008 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
1010 /* Exception specifier used for throw(). */
1011 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
1012 #define noexcept_true_spec cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
1013 #define noexcept_false_spec cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
1015 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
1016 #define jclass_node cp_global_trees[CPTI_JCLASS]
1018 /* The declaration for `std::terminate'. */
1019 #define terminate_node cp_global_trees[CPTI_TERMINATE]
1021 /* The declaration for "__cxa_call_unexpected". */
1022 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
1024 /* The type of the function-pointer argument to "__cxa_atexit" (or
1025 "std::atexit", if "__cxa_atexit" is not being used). */
1026 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
1028 /* A pointer to `std::atexit'. */
1029 #define atexit_node cp_global_trees[CPTI_ATEXIT]
1031 /* A pointer to `__dso_handle'. */
1032 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
1034 /* The declaration of the dynamic_cast runtime. */
1035 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
1037 /* The type of a destructor. */
1038 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
1040 /* The type of the vtt parameter passed to subobject constructors and
1042 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
1044 /* A TREE_LIST of the dynamic classes whose vtables may have to be
1045 emitted in this translation unit. */
1047 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
1049 /* Node to indicate default access. This must be distinct from the
1050 access nodes in tree.h. */
1052 #define access_default_node null_node
1056 struct GTY(()) saved_scope {
1057 vec<cxx_saved_binding, va_gc> *old_bindings;
1059 vec<tree, va_gc> *decl_ns_list;
1062 tree access_specifier;
1064 vec<tree, va_gc> *lang_base;
1066 tree template_parms;
1067 cp_binding_level *x_previous_class_level;
1070 /* Only used for uses of this in trailing return type. */
1071 tree x_current_class_ptr;
1072 tree x_current_class_ref;
1074 int x_processing_template_decl;
1075 int x_processing_specialization;
1076 BOOL_BITFIELD x_processing_explicit_instantiation : 1;
1077 BOOL_BITFIELD need_pop_function_context : 1;
1079 int unevaluated_operand;
1080 int inhibit_evaluation_warnings;
1081 int noexcept_operand;
1082 /* If non-zero, implicit "omp declare target" attribute is added into the
1084 int omp_declare_target_attribute;
1086 struct stmt_tree_s x_stmt_tree;
1088 cp_binding_level *class_bindings;
1089 cp_binding_level *bindings;
1091 hash_map<tree, tree> *GTY((skip)) x_local_specializations;
1093 struct saved_scope *prev;
1096 extern GTY(()) struct saved_scope *scope_chain;
1098 /* The current open namespace. */
1100 #define current_namespace scope_chain->old_namespace
1102 /* The stack for namespaces of current declarations. */
1104 #define decl_namespace_list scope_chain->decl_ns_list
1106 /* IDENTIFIER_NODE: name of current class */
1108 #define current_class_name scope_chain->class_name
1110 /* _TYPE: the type of the current class */
1112 #define current_class_type scope_chain->class_type
1114 /* When parsing a class definition, the access specifier most recently
1115 given by the user, or, if no access specifier was given, the
1116 default value appropriate for the kind of class (i.e., struct,
1117 class, or union). */
1119 #define current_access_specifier scope_chain->access_specifier
1121 /* Pointer to the top of the language name stack. */
1123 #define current_lang_base scope_chain->lang_base
1124 #define current_lang_name scope_chain->lang_name
1126 /* When parsing a template declaration, a TREE_LIST represents the
1127 active template parameters. Each node in the list represents one
1128 level of template parameters. The innermost level is first in the
1129 list. The depth of each level is stored as an INTEGER_CST in the
1130 TREE_PURPOSE of each node. The parameters for that level are
1131 stored in the TREE_VALUE. */
1133 #define current_template_parms scope_chain->template_parms
1135 #define processing_template_decl scope_chain->x_processing_template_decl
1136 #define processing_specialization scope_chain->x_processing_specialization
1137 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
1139 /* RAII sentinel to handle clearing processing_template_decl and restoring
1142 struct processing_template_decl_sentinel
1145 processing_template_decl_sentinel (bool reset = true)
1146 : saved (processing_template_decl)
1149 processing_template_decl = 0;
1151 ~processing_template_decl_sentinel()
1153 processing_template_decl = saved;
1157 /* RAII sentinel to disable certain warnings during template substitution
1160 struct warning_sentinel
1164 warning_sentinel(int& flag, bool suppress=true)
1165 : flag(flag), val(flag) { if (suppress) flag = 0; }
1166 ~warning_sentinel() { flag = val; }
1169 /* The cached class binding level, from the most recently exited
1170 class, or NULL if none. */
1172 #define previous_class_level scope_chain->x_previous_class_level
1174 /* A map from local variable declarations in the body of the template
1175 presently being instantiated to the corresponding instantiated
1178 #define local_specializations scope_chain->x_local_specializations
1180 /* Nonzero if we are parsing the operand of a noexcept operator. */
1182 #define cp_noexcept_operand scope_chain->noexcept_operand
1184 /* A list of private types mentioned, for deferred access checking. */
1186 struct GTY((for_user)) cxx_int_tree_map {
1191 struct cxx_int_tree_map_hasher : ggc_hasher<cxx_int_tree_map *>
1193 static hashval_t hash (cxx_int_tree_map *);
1194 static bool equal (cxx_int_tree_map *, cxx_int_tree_map *);
1197 struct named_label_entry;
1199 struct named_label_hasher : ggc_hasher<named_label_entry *>
1201 static hashval_t hash (named_label_entry *);
1202 static bool equal (named_label_entry *, named_label_entry *);
1205 /* Global state pertinent to the current function. */
1207 struct GTY(()) language_function {
1208 struct c_language_function base;
1211 tree x_current_class_ptr;
1212 tree x_current_class_ref;
1213 tree x_eh_spec_block;
1214 tree x_in_charge_parm;
1216 tree x_return_value;
1217 tree x_auto_return_pattern;
1219 BOOL_BITFIELD returns_value : 1;
1220 BOOL_BITFIELD returns_null : 1;
1221 BOOL_BITFIELD returns_abnormally : 1;
1222 BOOL_BITFIELD infinite_loop: 1;
1223 BOOL_BITFIELD x_in_function_try_handler : 1;
1224 BOOL_BITFIELD x_in_base_initializer : 1;
1226 /* True if this function can throw an exception. */
1227 BOOL_BITFIELD can_throw : 1;
1229 BOOL_BITFIELD invalid_constexpr : 1;
1231 hash_table<named_label_hasher> *x_named_labels;
1232 cp_binding_level *bindings;
1233 vec<tree, va_gc> *x_local_names;
1234 /* Tracking possibly infinite loops. This is a vec<tree> only because
1235 vec<bool> doesn't work with gtype. */
1236 vec<tree, va_gc> *infinite_loops;
1237 hash_table<cxx_int_tree_map_hasher> *extern_decl_map;
1240 /* The current C++-specific per-function global variables. */
1242 #define cp_function_chain (cfun->language)
1244 /* In a constructor destructor, the point at which all derived class
1245 destroying/construction has been done. I.e., just before a
1246 constructor returns, or before any base class destroying will be done
1249 #define cdtor_label cp_function_chain->x_cdtor_label
1251 /* When we're processing a member function, current_class_ptr is the
1252 PARM_DECL for the `this' pointer. The current_class_ref is an
1253 expression for `*this'. */
1255 #define current_class_ptr \
1256 (*(cfun && cp_function_chain \
1257 ? &cp_function_chain->x_current_class_ptr \
1258 : &scope_chain->x_current_class_ptr))
1259 #define current_class_ref \
1260 (*(cfun && cp_function_chain \
1261 ? &cp_function_chain->x_current_class_ref \
1262 : &scope_chain->x_current_class_ref))
1264 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
1265 function, if any. */
1267 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
1269 /* The `__in_chrg' parameter for the current function. Only used for
1270 constructors and destructors. */
1272 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
1274 /* The `__vtt_parm' parameter for the current function. Only used for
1275 constructors and destructors. */
1277 #define current_vtt_parm cp_function_chain->x_vtt_parm
1279 /* Set to 0 at beginning of a function definition, set to 1 if
1280 a return statement that specifies a return value is seen. */
1282 #define current_function_returns_value cp_function_chain->returns_value
1284 /* Set to 0 at beginning of a function definition, set to 1 if
1285 a return statement with no argument is seen. */
1287 #define current_function_returns_null cp_function_chain->returns_null
1289 /* Set to 0 at beginning of a function definition, set to 1 if
1290 a call to a noreturn function is seen. */
1292 #define current_function_returns_abnormally \
1293 cp_function_chain->returns_abnormally
1295 /* Set to 0 at beginning of a function definition, set to 1 if we see an
1296 obvious infinite loop. This can have false positives and false
1297 negatives, so it should only be used as a heuristic. */
1299 #define current_function_infinite_loop cp_function_chain->infinite_loop
1301 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
1302 #define in_base_initializer cp_function_chain->x_in_base_initializer
1304 #define in_function_try_handler cp_function_chain->x_in_function_try_handler
1306 /* Expression always returned from function, or error_mark_node
1307 otherwise, for use by the automatic named return value optimization. */
1309 #define current_function_return_value \
1310 (cp_function_chain->x_return_value)
1312 /* A type involving 'auto' to be used for return type deduction. */
1314 #define current_function_auto_return_pattern \
1315 (cp_function_chain->x_auto_return_pattern)
1317 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
1318 new" or "operator delete". */
1319 #define NEW_DELETE_OPNAME_P(NAME) \
1320 ((NAME) == ansi_opname (NEW_EXPR) \
1321 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
1322 || (NAME) == ansi_opname (DELETE_EXPR) \
1323 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
1325 #define ansi_opname(CODE) \
1326 (operator_name_info[(int) (CODE)].identifier)
1327 #define ansi_assopname(CODE) \
1328 (assignment_operator_name_info[(int) (CODE)].identifier)
1330 /* TRUE if a tree code represents a statement. */
1331 extern bool statement_code_p[MAX_TREE_CODES];
1333 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
1335 enum languages { lang_c, lang_cplusplus, lang_java };
1337 /* Macros to make error reporting functions' lives easier. */
1338 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
1339 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
1340 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
1341 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
1343 /* Nonzero if NODE has no name for linkage purposes. */
1344 #define TYPE_ANONYMOUS_P(NODE) \
1345 (OVERLOAD_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
1347 /* The _DECL for this _TYPE. */
1348 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
1350 /* Nonzero if T is a type that could resolve to any kind of concrete type
1351 at instantiation time. */
1352 #define WILDCARD_TYPE_P(T) \
1353 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
1354 || TREE_CODE (T) == TYPENAME_TYPE \
1355 || TREE_CODE (T) == TYPEOF_TYPE \
1356 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
1357 || TREE_CODE (T) == DECLTYPE_TYPE)
1359 /* Nonzero if T is a class (or struct or union) type. Also nonzero
1360 for template type parameters, typename types, and instantiated
1361 template template parameters. Keep these checks in ascending code
1363 #define MAYBE_CLASS_TYPE_P(T) (WILDCARD_TYPE_P (T) || CLASS_TYPE_P (T))
1365 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
1367 #define SET_CLASS_TYPE_P(T, VAL) \
1368 (TYPE_LANG_FLAG_5 (T) = (VAL))
1370 /* Nonzero if T is a class type. Zero for template type parameters,
1371 typename types, and so forth. */
1372 #define CLASS_TYPE_P(T) \
1373 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
1375 /* Nonzero if T is a class type but not an union. */
1376 #define NON_UNION_CLASS_TYPE_P(T) \
1377 (CLASS_TYPE_P (T) && TREE_CODE (T) != UNION_TYPE)
1379 /* Keep these checks in ascending code order. */
1380 #define RECORD_OR_UNION_CODE_P(T) \
1381 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
1382 #define OVERLOAD_TYPE_P(T) \
1383 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
1385 /* True if this a "Java" type, defined in 'extern "Java"'. */
1386 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
1388 /* True if this type is dependent. This predicate is only valid if
1389 TYPE_DEPENDENT_P_VALID is true. */
1390 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
1392 /* True if dependent_type_p has been called for this type, with the
1393 result that TYPE_DEPENDENT_P is valid. */
1394 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
1396 /* Nonzero if this type is const-qualified. */
1397 #define CP_TYPE_CONST_P(NODE) \
1398 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
1400 /* Nonzero if this type is volatile-qualified. */
1401 #define CP_TYPE_VOLATILE_P(NODE) \
1402 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
1404 /* Nonzero if this type is restrict-qualified. */
1405 #define CP_TYPE_RESTRICT_P(NODE) \
1406 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
1408 /* Nonzero if this type is const-qualified, but not
1409 volatile-qualified. Other qualifiers are ignored. This macro is
1410 used to test whether or not it is OK to bind an rvalue to a
1412 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
1413 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
1416 #define FUNCTION_ARG_CHAIN(NODE) \
1417 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1419 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
1420 which refers to a user-written parameter. */
1421 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
1422 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1424 /* Similarly, but for DECL_ARGUMENTS. */
1425 #define FUNCTION_FIRST_USER_PARM(NODE) \
1426 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
1428 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
1429 ambiguity issues. */
1430 #define DERIVED_FROM_P(PARENT, TYPE) \
1431 (lookup_base ((TYPE), (PARENT), ba_any, NULL, tf_none) != NULL_TREE)
1433 /* Gives the visibility specification for a class type. */
1434 #define CLASSTYPE_VISIBILITY(TYPE) \
1435 DECL_VISIBILITY (TYPE_MAIN_DECL (TYPE))
1436 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
1437 DECL_VISIBILITY_SPECIFIED (TYPE_MAIN_DECL (TYPE))
1439 typedef struct GTY (()) tree_pair_s {
1443 typedef tree_pair_s *tree_pair_p;
1445 /* This is a few header flags for 'struct lang_type'. Actually,
1446 all but the first are used only for lang_type_class; they
1447 are put in this structure to save space. */
1448 struct GTY(()) lang_type_header {
1449 BOOL_BITFIELD is_lang_type_class : 1;
1451 BOOL_BITFIELD has_type_conversion : 1;
1452 BOOL_BITFIELD has_copy_ctor : 1;
1453 BOOL_BITFIELD has_default_ctor : 1;
1454 BOOL_BITFIELD const_needs_init : 1;
1455 BOOL_BITFIELD ref_needs_init : 1;
1456 BOOL_BITFIELD has_const_copy_assign : 1;
1458 BOOL_BITFIELD spare : 1;
1461 /* This structure provides additional information above and beyond
1462 what is provide in the ordinary tree_type. In the past, we used it
1463 for the types of class types, template parameters types, typename
1464 types, and so forth. However, there can be many (tens to hundreds
1465 of thousands) of template parameter types in a compilation, and
1466 there's no need for this additional information in that case.
1467 Therefore, we now use this data structure only for class types.
1469 In the past, it was thought that there would be relatively few
1470 class types. However, in the presence of heavy use of templates,
1471 many (i.e., thousands) of classes can easily be generated.
1472 Therefore, we should endeavor to keep the size of this structure to
1474 struct GTY(()) lang_type_class {
1475 struct lang_type_header h;
1477 unsigned char align;
1479 unsigned has_mutable : 1;
1480 unsigned com_interface : 1;
1481 unsigned non_pod_class : 1;
1482 unsigned nearly_empty_p : 1;
1483 unsigned user_align : 1;
1484 unsigned has_copy_assign : 1;
1485 unsigned has_new : 1;
1486 unsigned has_array_new : 1;
1488 unsigned gets_delete : 2;
1489 unsigned interface_only : 1;
1490 unsigned interface_unknown : 1;
1491 unsigned contains_empty_class_p : 1;
1492 unsigned anon_aggr : 1;
1493 unsigned non_zero_init : 1;
1494 unsigned empty_p : 1;
1496 unsigned vec_new_uses_cookie : 1;
1497 unsigned declared_class : 1;
1498 unsigned diamond_shaped : 1;
1499 unsigned repeated_base : 1;
1500 unsigned being_defined : 1;
1501 unsigned java_interface : 1;
1502 unsigned debug_requested : 1;
1503 unsigned fields_readonly : 1;
1505 unsigned use_template : 2;
1506 unsigned ptrmemfunc_flag : 1;
1507 unsigned was_anonymous : 1;
1508 unsigned lazy_default_ctor : 1;
1509 unsigned lazy_copy_ctor : 1;
1510 unsigned lazy_copy_assign : 1;
1511 unsigned lazy_destructor : 1;
1513 unsigned has_const_copy_ctor : 1;
1514 unsigned has_complex_copy_ctor : 1;
1515 unsigned has_complex_copy_assign : 1;
1516 unsigned non_aggregate : 1;
1517 unsigned has_complex_dflt : 1;
1518 unsigned has_list_ctor : 1;
1519 unsigned non_std_layout : 1;
1520 unsigned is_literal : 1;
1522 unsigned lazy_move_ctor : 1;
1523 unsigned lazy_move_assign : 1;
1524 unsigned has_complex_move_ctor : 1;
1525 unsigned has_complex_move_assign : 1;
1526 unsigned has_constexpr_ctor : 1;
1528 /* When adding a flag here, consider whether or not it ought to
1529 apply to a template instance if it applies to the template. If
1530 so, make sure to copy it in instantiate_class_template! */
1532 /* There are some bits left to fill out a 32-bit word. Keep track
1533 of this by updating the size of this bitfield whenever you add or
1538 vec<tree_pair_s, va_gc> *vcall_indices;
1541 vec<tree, va_gc> *vbases;
1542 binding_table nested_udts;
1544 vec<tree, va_gc> *pure_virtuals;
1545 tree friend_classes;
1546 vec<tree, va_gc> * GTY((reorder ("resort_type_method_vec"))) methods;
1550 tree befriending_classes;
1551 /* In a RECORD_TYPE, information specific to Objective-C++, such
1552 as a list of adopted protocols or a pointer to a corresponding
1553 @interface. See objc/objc-act.h for details. */
1555 /* sorted_fields is sorted based on a pointer, so we need to be able
1556 to resort it if pointers get rearranged. */
1557 struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields")))
1559 /* FIXME reuse another field? */
1563 struct GTY(()) lang_type_ptrmem {
1564 struct lang_type_header h;
1568 struct GTY(()) lang_type {
1571 struct lang_type_header GTY((skip (""))) h;
1572 struct lang_type_class GTY((tag ("1"))) c;
1573 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1574 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1577 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1579 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1580 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1581 if (! lt->u.h.is_lang_type_class) \
1582 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1585 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1586 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1587 if (lt->u.h.is_lang_type_class) \
1588 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1593 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1594 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1596 #endif /* ENABLE_TREE_CHECKING */
1598 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1599 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1600 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1602 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1603 storage to indicate how many array elements are in use. */
1604 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1605 (CLASS_TYPE_P (NODE) \
1606 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1608 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1609 itself to other types. */
1610 #define TYPE_HAS_CONVERSION(NODE) \
1611 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1613 /* Nonzero means that NODE (a class type) has a default constructor --
1614 but that it has not yet been declared. */
1615 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
1616 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
1618 /* Nonzero means that NODE (a class type) has a copy constructor --
1619 but that it has not yet been declared. */
1620 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
1621 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
1623 /* Nonzero means that NODE (a class type) has a move constructor --
1624 but that it has not yet been declared. */
1625 #define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
1626 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
1628 /* Nonzero means that NODE (a class type) has an assignment operator
1629 -- but that it has not yet been declared. */
1630 #define CLASSTYPE_LAZY_COPY_ASSIGN(NODE) \
1631 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_assign)
1633 /* Nonzero means that NODE (a class type) has an assignment operator
1634 -- but that it has not yet been declared. */
1635 #define CLASSTYPE_LAZY_MOVE_ASSIGN(NODE) \
1636 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_assign)
1638 /* Nonzero means that NODE (a class type) has a destructor -- but that
1639 it has not yet been declared. */
1640 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
1641 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
1643 /* Nonzero means that NODE (a class type) is final */
1644 #define CLASSTYPE_FINAL(NODE) \
1648 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1649 #define TYPE_HAS_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_assign)
1651 /* True iff the class type NODE has an "operator =" whose parameter
1652 has a parameter of type "const X&". */
1653 #define TYPE_HAS_CONST_COPY_ASSIGN(NODE) \
1654 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_copy_assign)
1656 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1657 #define TYPE_HAS_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_copy_ctor)
1658 #define TYPE_HAS_CONST_COPY_CTOR(NODE) \
1659 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_ctor)
1661 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
1662 #define TYPE_HAS_LIST_CTOR(NODE) \
1663 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
1665 /* Nonzero if this class has a constexpr constructor other than a copy/move
1666 constructor. Note that a class can have constexpr constructors for
1667 static initialization even if it isn't a literal class. */
1668 #define TYPE_HAS_CONSTEXPR_CTOR(NODE) \
1669 (LANG_TYPE_CLASS_CHECK (NODE)->has_constexpr_ctor)
1671 /* Nonzero if this class defines an overloaded operator new. (An
1672 operator new [] doesn't count.) */
1673 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1674 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1676 /* Nonzero if this class defines an overloaded operator new[]. */
1677 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1678 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1680 /* Nonzero means that this type is being defined. I.e., the left brace
1681 starting the definition of this type has been seen. */
1682 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1684 /* Nonzero means that this type is either complete or being defined, so we
1685 can do lookup in it. */
1686 #define COMPLETE_OR_OPEN_TYPE_P(NODE) \
1687 (COMPLETE_TYPE_P (NODE) || (CLASS_TYPE_P (NODE) && TYPE_BEING_DEFINED (NODE)))
1689 /* Mark bits for repeated base checks. */
1690 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
1692 /* Nonzero if the class NODE has multiple paths to the same (virtual)
1694 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
1695 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
1697 /* Nonzero if the class NODE has multiple instances of the same base
1699 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
1700 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
1702 /* The member function with which the vtable will be emitted:
1703 the first noninline non-pure-virtual member function. NULL_TREE
1704 if there is no key function or if this is a class template */
1705 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1707 /* Vector member functions defined in this class. Each element is
1708 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1709 functions with the same name end up in the same slot. The first
1710 two elements are for constructors, and destructors, respectively.
1711 All template conversion operators to innermost template dependent
1712 types are overloaded on the next slot, if they exist. Note, the
1713 names for these functions will not all be the same. The
1714 non-template conversion operators & templated conversions to
1715 non-innermost template types are next, followed by ordinary member
1716 functions. There may be empty entries at the end of the vector.
1717 The conversion operators are unsorted. The ordinary member
1718 functions are sorted, once the class is complete. */
1719 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1721 /* For class templates, this is a TREE_LIST of all member data,
1722 functions, types, and friends in the order of declaration.
1723 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1724 and the RECORD_TYPE for the class template otherwise. */
1725 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1727 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1728 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1730 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1731 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1733 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1734 operators can appear. */
1735 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1737 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1738 are the constructors that take an in-charge parameter. */
1739 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1740 ((*CLASSTYPE_METHOD_VEC (NODE))[CLASSTYPE_CONSTRUCTOR_SLOT])
1742 /* A FUNCTION_DECL for the destructor for NODE. These are the
1743 destructors that take an in-charge parameter. If
1744 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
1745 until the destructor is created with lazily_declare_fn. */
1746 #define CLASSTYPE_DESTRUCTORS(NODE) \
1747 (CLASSTYPE_METHOD_VEC (NODE) \
1748 ? (*CLASSTYPE_METHOD_VEC (NODE))[CLASSTYPE_DESTRUCTOR_SLOT] \
1751 /* A dictionary of the nested user-defined-types (class-types, or enums)
1752 found within this class. This table includes nested member class
1754 #define CLASSTYPE_NESTED_UTDS(NODE) \
1755 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1757 /* Nonzero if NODE has a primary base class, i.e., a base class with
1758 which it shares the virtual function table pointer. */
1759 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1760 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1762 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1763 the base class which contains the virtual function table pointer
1765 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1766 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1768 /* A vector of BINFOs for the direct and indirect virtual base classes
1769 that this type uses in a post-order depth-first left-to-right
1770 order. (In other words, these bases appear in the order that they
1771 should be initialized.) */
1772 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1774 /* The type corresponding to NODE when NODE is used as a base class,
1775 i.e., NODE without virtual base classes. */
1777 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1779 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1781 #define IS_FAKE_BASE_TYPE(NODE) \
1782 (TREE_CODE (NODE) == RECORD_TYPE \
1783 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1784 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1786 /* These are the size and alignment of the type without its virtual
1787 base classes, for when we use this type as a base itself. */
1788 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1789 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1790 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1791 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1793 /* The alignment of NODE, without its virtual bases, in bytes. */
1794 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1795 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1797 /* True if this a Java interface type, declared with
1798 '__attribute__ ((java_interface))'. */
1799 #define TYPE_JAVA_INTERFACE(NODE) \
1800 (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1802 /* A vec<tree> of virtual functions which cannot be inherited by
1803 derived classes. When deriving from this type, the derived
1804 class must provide its own definition for each of these functions. */
1805 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
1806 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1808 /* Nonzero means that this type is an abstract class type. */
1809 #define ABSTRACT_CLASS_TYPE_P(NODE) \
1810 (CLASS_TYPE_P (NODE) && CLASSTYPE_PURE_VIRTUALS(NODE))
1812 /* Nonzero means that this type has an X() constructor. */
1813 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1814 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1816 /* Nonzero means that this type contains a mutable member. */
1817 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1818 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1820 /* Nonzero means that this class type is not POD for the purpose of layout
1821 (as defined in the ABI). This is different from the language's POD. */
1822 #define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \
1823 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1825 /* Nonzero means that this class type is a non-standard-layout class. */
1826 #define CLASSTYPE_NON_STD_LAYOUT(NODE) \
1827 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout)
1829 /* Nonzero means that this class contains pod types whose default
1830 initialization is not a zero initialization (namely, pointers to
1832 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1833 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1835 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1836 #define CLASSTYPE_EMPTY_P(NODE) \
1837 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1839 /* Nonzero if this class is "nearly empty", i.e., contains only a
1840 virtual function table pointer. */
1841 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1842 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1844 /* Nonzero if this class contains an empty subobject. */
1845 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1846 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1848 /* A list of class types of which this type is a friend. The
1849 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1850 case of a template friend. */
1851 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1852 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1854 /* A list of the classes which grant friendship to this class. */
1855 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1856 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1858 /* The associated LAMBDA_EXPR that made this class. */
1859 #define CLASSTYPE_LAMBDA_EXPR(NODE) \
1860 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
1861 /* The extra mangling scope for this closure type. */
1862 #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
1863 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
1865 /* Say whether this node was declared as a "class" or a "struct". */
1866 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1867 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1869 /* Nonzero if this class has const members
1870 which have no specified initialization. */
1871 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1872 (TYPE_LANG_SPECIFIC (NODE) \
1873 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1874 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1875 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1877 /* Nonzero if this class has ref members
1878 which have no specified initialization. */
1879 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1880 (TYPE_LANG_SPECIFIC (NODE) \
1881 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1882 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1883 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1885 /* Nonzero if this class is included from a header file which employs
1886 `#pragma interface', and it is not included in its implementation file. */
1887 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1888 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1890 /* True if we have already determined whether or not vtables, VTTs,
1891 typeinfo, and other similar per-class data should be emitted in
1892 this translation unit. This flag does not indicate whether or not
1893 these items should be emitted; it only indicates that we know one
1894 way or the other. */
1895 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1896 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1897 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1898 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1899 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1901 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1902 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1903 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1904 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1905 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1906 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1908 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1909 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1910 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1912 /* Additional macros for inheritance information. */
1914 /* Nonzero means that this class is on a path leading to a new vtable. */
1915 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1917 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1918 have this flag set. */
1919 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1921 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
1922 this is functionally equivalent to using same_type_p, but
1923 measurably faster. At least one of the arguments must be a
1924 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
1925 BINFO_TYPE(T) ever stops being the main variant of the class the
1926 binfo is for, this macro must change. */
1927 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
1929 /* Any subobject that needs a new vtable must have a vptr and must not
1930 be a non-virtual primary base (since it would then use the vtable from a
1931 derived class and never become non-primary.) */
1932 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1933 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1934 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
1935 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
1937 /* Nonzero if this binfo is for a dependent base - one that should not
1939 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1941 /* Nonzero if this binfo has lost its primary base binfo (because that
1942 is a nearly-empty virtual base that has been taken by some other
1943 base in the complete hierarchy. */
1944 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1946 /* Nonzero if this BINFO is a primary base class. */
1947 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
1949 /* Used by various search routines. */
1950 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1952 /* A vec<tree_pair_s> of the vcall indices associated with the class
1953 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
1954 function. The VALUE is the index into the virtual table where the
1955 vcall offset for that function is stored, when NODE is a virtual
1957 #define CLASSTYPE_VCALL_INDICES(NODE) \
1958 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1960 /* The various vtables for the class NODE. The primary vtable will be
1961 first, followed by the construction vtables and VTT, if any. */
1962 #define CLASSTYPE_VTABLES(NODE) \
1963 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1965 /* The std::type_info variable representing this class, or NULL if no
1966 such variable has been created. This field is only set for the
1967 TYPE_MAIN_VARIANT of the class. */
1968 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1969 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1971 /* Accessor macros for the BINFO_VIRTUALS list. */
1973 /* The number of bytes by which to adjust the `this' pointer when
1974 calling this virtual function. Subtract this value from the this
1975 pointer. Always non-NULL, might be constant zero though. */
1976 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1978 /* If non-NULL, the vtable index at which to find the vcall offset
1979 when calling this virtual function. Add the value at that vtable
1980 index to the this pointer. */
1981 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1983 /* The function to call. */
1984 #define BV_FN(NODE) (TREE_VALUE (NODE))
1986 /* Whether or not this entry is for a lost primary virtual base. */
1987 #define BV_LOST_PRIMARY(NODE) (TREE_LANG_FLAG_0 (NODE))
1989 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1990 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1991 will be NULL_TREE to indicate a throw specification of `()', or
1992 no exceptions allowed. For a noexcept specification, TREE_VALUE
1993 is NULL_TREE and TREE_PURPOSE is the constant-expression. For
1994 a deferred noexcept-specification, TREE_PURPOSE is a DEFERRED_NOEXCEPT
1995 (for templates) or an OVERLOAD list of functions (for implicitly
1996 declared functions). */
1997 #define TYPE_RAISES_EXCEPTIONS(NODE) \
1998 TYPE_LANG_SLOT_1 (FUNC_OR_METHOD_CHECK (NODE))
2000 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'
2001 or noexcept(true). */
2002 #define TYPE_NOTHROW_P(NODE) nothrow_spec_p (TYPE_RAISES_EXCEPTIONS (NODE))
2004 /* For FUNCTION_TYPE or METHOD_TYPE, true if NODE is noexcept. This is the
2005 case for things declared noexcept(true) and, with -fnothrow-opt, for
2006 throw() functions. */
2007 #define TYPE_NOEXCEPT_P(NODE) type_noexcept_p (NODE)
2009 /* The binding level associated with the namespace. */
2010 #define NAMESPACE_LEVEL(NODE) \
2011 (LANG_DECL_NS_CHECK (NODE)->level)
2013 /* Flags shared by all forms of DECL_LANG_SPECIFIC.
2015 Some of the flags live here only to make lang_decl_min/fn smaller. Do
2016 not make this struct larger than 32 bits; instead, make sel smaller. */
2018 struct GTY(()) lang_decl_base {
2019 unsigned selector : 16; /* Larger than necessary for faster access. */
2020 ENUM_BITFIELD(languages) language : 4;
2021 unsigned use_template : 2;
2022 unsigned not_really_extern : 1; /* var or fn */
2023 unsigned initialized_in_class : 1; /* var or fn */
2024 unsigned repo_available_p : 1; /* var or fn */
2025 unsigned threadprivate_or_deleted_p : 1; /* var or fn */
2026 unsigned anticipated_p : 1; /* fn, type or template */
2027 unsigned friend_attr : 1; /* fn, type or template */
2028 unsigned template_conv_p : 1; /* var or template */
2029 unsigned odr_used : 1; /* var or fn */
2034 /* True for DECL codes which have template info and access. */
2035 #define LANG_DECL_HAS_MIN(NODE) \
2036 (VAR_OR_FUNCTION_DECL_P (NODE) \
2037 || TREE_CODE (NODE) == FIELD_DECL \
2038 || TREE_CODE (NODE) == CONST_DECL \
2039 || TREE_CODE (NODE) == TYPE_DECL \
2040 || TREE_CODE (NODE) == TEMPLATE_DECL \
2041 || TREE_CODE (NODE) == USING_DECL)
2043 /* DECL_LANG_SPECIFIC for the above codes. */
2045 struct GTY(()) lang_decl_min {
2046 struct lang_decl_base base;
2048 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
2050 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
2051 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
2052 DECL_TEMPLATE_INFO. */
2055 union lang_decl_u2 {
2056 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
2057 THUNK_VIRTUAL_OFFSET.
2058 Otherwise this is DECL_ACCESS. */
2059 tree GTY ((tag ("0"))) access;
2061 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
2062 int GTY ((tag ("1"))) discriminator;
2063 } GTY ((desc ("%0.u.base.u2sel"))) u2;
2066 /* Additional DECL_LANG_SPECIFIC information for functions. */
2068 struct GTY(()) lang_decl_fn {
2069 struct lang_decl_min min;
2071 /* In an overloaded operator, this is the value of
2072 DECL_OVERLOADED_OPERATOR_P. */
2073 ENUM_BITFIELD (tree_code) operator_code : 16;
2075 unsigned global_ctor_p : 1;
2076 unsigned global_dtor_p : 1;
2077 unsigned assignment_operator_p : 1;
2078 unsigned static_function : 1;
2079 unsigned pure_virtual : 1;
2080 unsigned defaulted_p : 1;
2082 unsigned has_in_charge_parm_p : 1;
2083 unsigned has_vtt_parm_p : 1;
2084 unsigned pending_inline_p : 1;
2085 unsigned nonconverting : 1;
2086 unsigned thunk_p : 1;
2087 unsigned this_thunk_p : 1;
2088 unsigned hidden_friend_p : 1;
2089 unsigned omp_declare_reduction_p : 1;
2090 /* 2 spare bits on 32-bit hosts, 34 on 64-bit hosts. */
2092 /* For a non-thunk function decl, this is a tree list of
2093 friendly classes. For a thunk function decl, it is the
2094 thunked to function decl. */
2095 tree befriending_classes;
2097 /* For a non-virtual FUNCTION_DECL, this is
2098 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
2099 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
2100 this pointer and result pointer adjusting thunks are
2101 chained here. This pointer thunks to return pointer thunks
2102 will be chained on the return pointer thunk. */
2107 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is
2108 DECL_CLONED_FUNCTION. */
2109 tree GTY ((tag ("0"))) cloned_function;
2111 /* In a FUNCTION_DECL for which THUNK_P holds this is the
2112 THUNK_FIXED_OFFSET. */
2113 HOST_WIDE_INT GTY ((tag ("1"))) fixed_offset;
2114 } GTY ((desc ("%1.thunk_p"))) u5;
2118 struct cp_token_cache * GTY ((tag ("1"))) pending_inline_info;
2119 struct language_function * GTY ((tag ("0")))
2120 saved_language_function;
2121 } GTY ((desc ("%1.pending_inline_p"))) u;
2125 /* DECL_LANG_SPECIFIC for namespaces. */
2127 struct GTY(()) lang_decl_ns {
2128 struct lang_decl_base base;
2129 cp_binding_level *level;
2134 /* DECL_LANG_SPECIFIC for parameters. */
2136 struct GTY(()) lang_decl_parm {
2137 struct lang_decl_base base;
2142 /* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a
2143 union rather than a struct containing a union as its only field, but
2144 tree.h declares it as a struct. */
2146 struct GTY(()) lang_decl {
2147 union GTY((desc ("%h.base.selector"))) lang_decl_u {
2148 struct lang_decl_base GTY ((default)) base;
2149 struct lang_decl_min GTY((tag ("0"))) min;
2150 struct lang_decl_fn GTY ((tag ("1"))) fn;
2151 struct lang_decl_ns GTY((tag ("2"))) ns;
2152 struct lang_decl_parm GTY((tag ("3"))) parm;
2156 /* Looks through a template (if present) to find what it declares. */
2157 #define STRIP_TEMPLATE(NODE) \
2158 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE)
2160 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
2162 #define LANG_DECL_MIN_CHECK(NODE) __extension__ \
2163 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2164 if (!LANG_DECL_HAS_MIN (NODE)) \
2165 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2168 /* We want to be able to check DECL_CONSTRUCTOR_P and such on a function
2169 template, not just on a FUNCTION_DECL. So when looking for things in
2170 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */
2171 #define LANG_DECL_FN_CHECK(NODE) __extension__ \
2172 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \
2173 if (!DECL_DECLARES_FUNCTION_P (NODE) || lt->u.base.selector != 1) \
2174 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2177 #define LANG_DECL_NS_CHECK(NODE) __extension__ \
2178 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2179 if (TREE_CODE (NODE) != NAMESPACE_DECL || lt->u.base.selector != 2) \
2180 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2183 #define LANG_DECL_PARM_CHECK(NODE) __extension__ \
2184 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2185 if (TREE_CODE (NODE) != PARM_DECL) \
2186 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2189 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
2190 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
2191 if (!LANG_DECL_HAS_MIN (NODE) || lt->u.base.u2sel != TF) \
2192 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
2197 #define LANG_DECL_MIN_CHECK(NODE) \
2198 (&DECL_LANG_SPECIFIC (NODE)->u.min)
2200 #define LANG_DECL_FN_CHECK(NODE) \
2201 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn)
2203 #define LANG_DECL_NS_CHECK(NODE) \
2204 (&DECL_LANG_SPECIFIC (NODE)->u.ns)
2206 #define LANG_DECL_PARM_CHECK(NODE) \
2207 (&DECL_LANG_SPECIFIC (NODE)->u.parm)
2209 #define LANG_DECL_U2_CHECK(NODE, TF) \
2210 (&DECL_LANG_SPECIFIC (NODE)->u.min.u2)
2212 #endif /* ENABLE_TREE_CHECKING */
2214 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
2215 declaration. Some entities (like a member function in a local
2216 class, or a local variable) do not have linkage at all, and this
2217 macro should not be used in those cases.
2219 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
2220 created by language-independent code, and has C linkage. Most
2221 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
2222 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
2223 #define DECL_LANGUAGE(NODE) \
2224 (DECL_LANG_SPECIFIC (NODE) \
2225 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \
2226 : (TREE_CODE (NODE) == FUNCTION_DECL \
2227 ? lang_c : lang_cplusplus))
2229 /* Set the language linkage for NODE to LANGUAGE. */
2230 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
2231 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE))
2233 /* For FUNCTION_DECLs and TEMPLATE_DECLs: nonzero means that this function
2234 is a constructor. */
2235 #define DECL_CONSTRUCTOR_P(NODE) \
2236 DECL_CXX_CONSTRUCTOR_P (STRIP_TEMPLATE (NODE))
2238 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
2240 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
2241 (DECL_CONSTRUCTOR_P (NODE) \
2242 && DECL_NAME (NODE) == complete_ctor_identifier)
2244 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
2246 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
2247 (DECL_CONSTRUCTOR_P (NODE) \
2248 && DECL_NAME (NODE) == base_ctor_identifier)
2250 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
2251 specialized in-charge constructor or the specialized not-in-charge
2253 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
2254 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \
2255 && !DECL_CLONED_FUNCTION_P (NODE))
2257 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
2258 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
2259 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
2261 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
2262 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
2263 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
2265 /* Nonzero if NODE (a FUNCTION_DECL or TEMPLATE_DECL)
2267 #define DECL_DESTRUCTOR_P(NODE) \
2268 DECL_CXX_DESTRUCTOR_P (STRIP_TEMPLATE (NODE))
2270 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
2271 specialized in-charge constructor, in-charge deleting constructor,
2272 or the base destructor. */
2273 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
2274 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_DESTRUCTOR_P (NODE) \
2275 && !DECL_CLONED_FUNCTION_P (NODE))
2277 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2279 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
2280 (DECL_DESTRUCTOR_P (NODE) \
2281 && DECL_NAME (NODE) == complete_dtor_identifier)
2283 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
2285 #define DECL_BASE_DESTRUCTOR_P(NODE) \
2286 (DECL_DESTRUCTOR_P (NODE) \
2287 && DECL_NAME (NODE) == base_dtor_identifier)
2289 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
2290 object that deletes the object after it has been destroyed. */
2291 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
2292 (DECL_DESTRUCTOR_P (NODE) \
2293 && DECL_NAME (NODE) == deleting_dtor_identifier)
2295 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
2297 #define DECL_CLONED_FUNCTION_P(NODE) (!!decl_cloned_function_p (NODE, true))
2299 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
2301 #define DECL_CLONED_FUNCTION(NODE) (*decl_cloned_function_p (NODE, false))
2303 /* Perform an action for each clone of FN, if FN is a function with
2304 clones. This macro should be used like:
2306 FOR_EACH_CLONE (clone, fn)
2310 #define FOR_EACH_CLONE(CLONE, FN) \
2311 if (TREE_CODE (FN) == FUNCTION_DECL \
2312 && (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \
2313 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \
2314 for (CLONE = DECL_CHAIN (FN); \
2315 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
2316 CLONE = DECL_CHAIN (CLONE))
2318 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
2319 #define DECL_DISCRIMINATOR_P(NODE) \
2320 (VAR_P (NODE) && DECL_FUNCTION_SCOPE_P (NODE))
2322 /* Discriminator for name mangling. */
2323 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
2325 /* True iff DECL_DISCRIMINATOR is set for a DECL_DISCRIMINATOR_P decl. */
2326 #define DECL_DISCRIMINATOR_SET_P(NODE) \
2327 (DECL_LANG_SPECIFIC (NODE) && DECL_LANG_SPECIFIC (NODE)->u.base.u2sel == 1)
2329 /* The index of a user-declared parameter in its function, starting at 1.
2330 All artificial parameters will have index 0. */
2331 #define DECL_PARM_INDEX(NODE) \
2332 (LANG_DECL_PARM_CHECK (NODE)->index)
2334 /* The level of a user-declared parameter in its function, starting at 1.
2335 A parameter of the function will have level 1; a parameter of the first
2336 nested function declarator (i.e. t in void f (void (*p)(T t))) will have
2338 #define DECL_PARM_LEVEL(NODE) \
2339 (LANG_DECL_PARM_CHECK (NODE)->level)
2341 /* Nonzero if the VTT parm has been added to NODE. */
2342 #define DECL_HAS_VTT_PARM_P(NODE) \
2343 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p)
2345 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
2347 #define DECL_NEEDS_VTT_PARM_P(NODE) \
2348 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \
2349 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
2350 || DECL_BASE_DESTRUCTOR_P (NODE)))
2352 /* Nonzero if NODE is a user-defined conversion operator. */
2353 #define DECL_CONV_FN_P(NODE) \
2354 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
2356 /* If FN is a conversion operator, the type to which it converts.
2357 Otherwise, NULL_TREE. */
2358 #define DECL_CONV_FN_TYPE(FN) \
2359 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
2361 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
2362 conversion operator to a type dependent on the innermost template
2364 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
2365 (DECL_LANG_SPECIFIC (TEMPLATE_DECL_CHECK (NODE))->u.base.template_conv_p)
2367 /* Nonzero if NODE, a static data member, was declared in its class as an
2368 array of unknown bound. */
2369 #define VAR_HAD_UNKNOWN_BOUND(NODE) \
2370 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
2371 ? DECL_LANG_SPECIFIC (NODE)->u.base.template_conv_p \
2373 #define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
2374 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.template_conv_p = true)
2376 /* Set the overloaded operator code for NODE to CODE. */
2377 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
2378 (LANG_DECL_FN_CHECK (NODE)->operator_code = (CODE))
2380 /* If NODE is an overloaded operator, then this returns the TREE_CODE
2381 associated with the overloaded operator.
2382 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
2383 whether or not NODE is an assignment operator. If NODE is not an
2384 overloaded operator, ERROR_MARK is returned. Since the numerical
2385 value of ERROR_MARK is zero, this macro can be used as a predicate
2386 to test whether or not NODE is an overloaded operator. */
2387 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
2388 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
2389 ? LANG_DECL_FN_CHECK (NODE)->operator_code : ERROR_MARK)
2391 /* Nonzero if NODE is an assignment operator (including += and such). */
2392 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
2393 (LANG_DECL_FN_CHECK (NODE)->assignment_operator_p)
2395 /* For FUNCTION_DECLs: nonzero means that this function is a
2396 constructor or a destructor with an extra in-charge parameter to
2397 control whether or not virtual bases are constructed. */
2398 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
2399 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p)
2401 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
2402 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
2403 (TREE_CODE (NODE) == FUNCTION_DECL \
2404 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
2405 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
2407 /* Nonzero for _DECL means that this decl appears in (or will appear
2408 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
2409 detecting circularity in case members are multiply defined. In the
2410 case of a VAR_DECL, it is also used to determine how program storage
2411 should be allocated. */
2412 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
2414 /* Nonzero for a VAR_DECL means that the variable's initialization (if
2415 any) has been processed. (In general, DECL_INITIALIZED_P is
2416 !DECL_EXTERNAL, but static data members may be initialized even if
2418 #define DECL_INITIALIZED_P(NODE) \
2419 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
2421 /* Nonzero for a VAR_DECL iff an explicit initializer was provided
2422 or a non-trivial constructor is called. */
2423 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
2424 (TREE_LANG_FLAG_3 (VAR_DECL_CHECK (NODE)))
2426 /* Nonzero for a VAR_DECL that was initialized with a
2427 constant-expression. */
2428 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
2429 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
2431 /* Nonzero if the DECL was initialized in the class definition itself,
2432 rather than outside the class. This is used for both static member
2433 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
2434 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
2435 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
2436 ->u.base.initialized_in_class)
2438 /* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr].
2439 Only available for decls with DECL_LANG_SPECIFIC. */
2440 #define DECL_ODR_USED(DECL) \
2441 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
2444 /* Nonzero for DECL means that this decl is just a friend declaration,
2445 and should not be added to the list of members for this class. */
2446 #define DECL_FRIEND_P(NODE) \
2447 (DECL_LANG_SPECIFIC (TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK (NODE)) \
2448 ->u.base.friend_attr)
2450 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
2451 #define DECL_BEFRIENDING_CLASSES(NODE) \
2452 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
2454 /* Nonzero for FUNCTION_DECL means that this decl is a static
2456 #define DECL_STATIC_FUNCTION_P(NODE) \
2457 (LANG_DECL_FN_CHECK (NODE)->static_function)
2459 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
2461 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
2462 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
2464 /* Nonzero for FUNCTION_DECL means that this decl is a member function
2465 (static or non-static). */
2466 #define DECL_FUNCTION_MEMBER_P(NODE) \
2467 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
2469 /* Nonzero for FUNCTION_DECL means that this member function
2470 has `this' as const X *const. */
2471 #define DECL_CONST_MEMFUNC_P(NODE) \
2472 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2473 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
2474 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
2476 /* Nonzero for FUNCTION_DECL means that this member function
2477 has `this' as volatile X *const. */
2478 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
2479 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2480 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
2481 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
2483 /* Nonzero for a DECL means that this member is a non-static member. */
2484 #define DECL_NONSTATIC_MEMBER_P(NODE) \
2485 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2486 || TREE_CODE (NODE) == FIELD_DECL)
2488 /* Nonzero for _DECL means that this member object type
2490 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
2492 /* Nonzero for _DECL means that this constructor or conversion function is
2494 #define DECL_NONCONVERTING_P(NODE) \
2495 (LANG_DECL_FN_CHECK (NODE)->nonconverting)
2497 /* Nonzero for FUNCTION_DECL means that this member function is a pure
2498 virtual function. */
2499 #define DECL_PURE_VIRTUAL_P(NODE) \
2500 (LANG_DECL_FN_CHECK (NODE)->pure_virtual)
2502 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
2503 invalid overrider for a function from a base class. Once we have
2504 complained about an invalid overrider we avoid complaining about it
2506 #define DECL_INVALID_OVERRIDER_P(NODE) \
2507 (DECL_LANG_FLAG_4 (NODE))
2509 /* True (in a FUNCTION_DECL) if NODE is a function declared with
2510 an override virt-specifier */
2511 #define DECL_OVERRIDE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
2513 /* The thunks associated with NODE, a FUNCTION_DECL. */
2514 #define DECL_THUNKS(NODE) \
2515 (DECL_VIRTUAL_P (NODE) ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
2517 /* Set DECL_THUNKS. */
2518 #define SET_DECL_THUNKS(NODE,THUNKS) \
2519 (LANG_DECL_FN_CHECK (NODE)->context = (THUNKS))
2521 /* If NODE, a FUNCTION_DECL, is a C++11 inheriting constructor, then this
2522 is the base it inherits from. */
2523 #define DECL_INHERITED_CTOR_BASE(NODE) \
2524 (DECL_CONSTRUCTOR_P (NODE) ? LANG_DECL_FN_CHECK (NODE)->context : NULL_TREE)
2526 /* Set the inherited base. */
2527 #define SET_DECL_INHERITED_CTOR_BASE(NODE,INH) \
2528 (LANG_DECL_FN_CHECK (NODE)->context = (INH))
2530 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
2531 #define DECL_THUNK_P(NODE) \
2532 (TREE_CODE (NODE) == FUNCTION_DECL \
2533 && DECL_LANG_SPECIFIC (NODE) \
2534 && LANG_DECL_FN_CHECK (NODE)->thunk_p)
2536 /* Set DECL_THUNK_P for node. */
2537 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
2538 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \
2539 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING))
2541 /* Nonzero if NODE is a this pointer adjusting thunk. */
2542 #define DECL_THIS_THUNK_P(NODE) \
2543 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
2545 /* Nonzero if NODE is a result pointer adjusting thunk. */
2546 #define DECL_RESULT_THUNK_P(NODE) \
2547 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
2549 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
2550 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
2551 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
2553 /* Nonzero if NODE is `extern "C"'. */
2554 #define DECL_EXTERN_C_P(NODE) \
2555 (DECL_LANGUAGE (NODE) == lang_c)
2557 /* Nonzero if NODE is an `extern "C"' function. */
2558 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
2559 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
2561 /* True iff DECL is an entity with vague linkage whose definition is
2562 available in this translation unit. */
2563 #define DECL_REPO_AVAILABLE_P(NODE) \
2564 (DECL_LANG_SPECIFIC (NODE)->u.base.repo_available_p)
2566 /* True if DECL is declared 'constexpr'. */
2567 #define DECL_DECLARED_CONSTEXPR_P(DECL) \
2568 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (STRIP_TEMPLATE (DECL)))
2570 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
2571 template function. */
2572 #define DECL_PRETTY_FUNCTION_P(NODE) \
2574 && !strcmp (IDENTIFIER_POINTER (DECL_NAME (NODE)), "__PRETTY_FUNCTION__"))
2576 /* Nonzero if the thread-local variable was declared with __thread
2577 as opposed to thread_local. */
2578 #define DECL_GNU_TLS_P(NODE) \
2579 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
2581 /* The _TYPE context in which this _DECL appears. This field holds the
2582 class where a virtual function instance is actually defined. */
2583 #define DECL_CLASS_CONTEXT(NODE) \
2584 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
2586 /* For a non-member friend function, the class (if any) in which this
2587 friend was defined. For example, given:
2589 struct S { friend void f (); };
2591 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
2592 #define DECL_FRIEND_CONTEXT(NODE) \
2593 ((DECL_DECLARES_FUNCTION_P (NODE) \
2594 && DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
2595 ? LANG_DECL_FN_CHECK (NODE)->context \
2598 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
2599 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
2600 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT))
2602 #define CP_DECL_CONTEXT(NODE) \
2603 (!DECL_FILE_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
2604 #define CP_TYPE_CONTEXT(NODE) \
2605 (!TYPE_FILE_SCOPE_P (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
2606 #define FROB_CONTEXT(NODE) \
2607 ((NODE) == global_namespace ? DECL_CONTEXT (NODE) : (NODE))
2609 /* 1 iff NODE has namespace scope, including the global namespace. */
2610 #define DECL_NAMESPACE_SCOPE_P(NODE) \
2611 (!DECL_TEMPLATE_PARM_P (NODE) \
2612 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
2614 #define TYPE_NAMESPACE_SCOPE_P(NODE) \
2615 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
2617 #define NAMESPACE_SCOPE_P(NODE) \
2618 ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \
2619 || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE)))
2621 /* 1 iff NODE is a class member. */
2622 #define DECL_CLASS_SCOPE_P(NODE) \
2623 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
2625 #define TYPE_CLASS_SCOPE_P(NODE) \
2626 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
2628 /* 1 iff NODE is function-local. */
2629 #define DECL_FUNCTION_SCOPE_P(NODE) \
2630 (DECL_CONTEXT (NODE) \
2631 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
2633 #define TYPE_FUNCTION_SCOPE_P(NODE) \
2634 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
2636 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
2637 both the primary typeinfo object and the associated NTBS name. */
2638 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
2640 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
2641 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
2643 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has a ref-qualifier (either & or &&). */
2644 #define FUNCTION_REF_QUALIFIED(NODE) \
2645 TREE_LANG_FLAG_4 (FUNC_OR_METHOD_CHECK (NODE))
2647 /* 1 iff FUNCTION_TYPE or METHOD_TYPE has &&-ref-qualifier. */
2648 #define FUNCTION_RVALUE_QUALIFIED(NODE) \
2649 TREE_LANG_FLAG_5 (FUNC_OR_METHOD_CHECK (NODE))
2651 /* Returns 1 iff VAR_DECL is a construction virtual table.
2652 DECL_VTABLE_OR_VTT_P will be true in this case and must be checked
2653 before using this macro. */
2654 #define DECL_CONSTRUCTION_VTABLE_P(NODE) \
2655 TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE))
2657 /* 1 iff NODE is function-local, but for types. */
2658 #define LOCAL_CLASS_P(NODE) \
2659 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
2661 /* For a NAMESPACE_DECL: the list of using namespace directives
2662 The PURPOSE is the used namespace, the value is the namespace
2663 that is the common ancestor. */
2664 #define DECL_NAMESPACE_USING(NODE) (LANG_DECL_NS_CHECK (NODE)->ns_using)
2666 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2667 of a namespace, to record the transitive closure of using namespace. */
2668 #define DECL_NAMESPACE_USERS(NODE) (LANG_DECL_NS_CHECK (NODE)->ns_users)
2670 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2671 themselves with this one. */
2672 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2673 DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2675 /* In a NAMESPACE_DECL, points to the original namespace if this is
2676 a namespace alias. */
2677 #define DECL_NAMESPACE_ALIAS(NODE) \
2678 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2679 #define ORIGINAL_NAMESPACE(NODE) \
2680 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2682 /* Nonzero if NODE is the std namespace. */
2683 #define DECL_NAMESPACE_STD_P(NODE) \
2684 (TREE_CODE (NODE) == NAMESPACE_DECL \
2685 && CP_DECL_CONTEXT (NODE) == global_namespace \
2686 && DECL_NAME (NODE) == std_identifier)
2688 /* In a TREE_LIST concatenating using directives, indicate indirect
2690 #define TREE_INDIRECT_USING(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
2692 /* In a TREE_LIST in an attribute list, indicates that the attribute
2693 must be applied at instantiation time. */
2694 #define ATTR_IS_DEPENDENT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
2696 /* In a TREE_LIST in the argument of attribute abi_tag, indicates that the tag
2697 was inherited from a template parameter, not explicitly indicated. */
2698 #define ABI_TAG_IMPLICIT(NODE) TREE_LANG_FLAG_0 (TREE_LIST_CHECK (NODE))
2700 extern tree decl_shadowed_for_var_lookup (tree);
2701 extern void decl_shadowed_for_var_insert (tree, tree);
2703 /* Non zero if this is a using decl for a dependent scope. */
2704 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
2706 /* The scope named in a using decl. */
2707 #define USING_DECL_SCOPE(NODE) TREE_TYPE (USING_DECL_CHECK (NODE))
2709 /* The decls named by a using decl. */
2710 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
2712 /* Non zero if the using decl refers to a dependent type. */
2713 #define USING_DECL_TYPENAME_P(NODE) DECL_LANG_FLAG_1 (USING_DECL_CHECK (NODE))
2715 /* In a VAR_DECL, true if we have a shadowed local variable
2716 in the shadowed var table for this VAR_DECL. */
2717 #define DECL_HAS_SHADOWED_FOR_VAR_P(NODE) \
2718 (VAR_DECL_CHECK (NODE)->decl_with_vis.shadowed_for_var_p)
2720 /* In a VAR_DECL for a variable declared in a for statement,
2721 this is the shadowed (local) variable. */
2722 #define DECL_SHADOWED_FOR_VAR(NODE) \
2723 (DECL_HAS_SHADOWED_FOR_VAR_P(NODE) ? decl_shadowed_for_var_lookup (NODE) : NULL)
2725 #define SET_DECL_SHADOWED_FOR_VAR(NODE, VAL) \
2726 (decl_shadowed_for_var_insert (NODE, VAL))
2728 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2729 the class definition. We have saved away the text of the function,
2730 but have not yet processed it. */
2731 #define DECL_PENDING_INLINE_P(NODE) \
2732 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p)
2734 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2736 #define DECL_PENDING_INLINE_INFO(NODE) \
2737 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info)
2739 /* Nonzero for TYPE_DECL means that it was written 'using name = type'. */
2740 #define TYPE_DECL_ALIAS_P(NODE) \
2741 DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (NODE))
2743 /* Nonzero for TEMPLATE_DECL means that it is a 'complex' alias template. */
2744 #define TEMPLATE_DECL_COMPLEX_ALIAS_P(NODE) \
2745 DECL_LANG_FLAG_2 (TEMPLATE_DECL_CHECK (NODE))
2747 /* Nonzero for a type which is an alias for another type; i.e, a type
2748 which declaration was written 'using name-of-type =
2750 #define TYPE_ALIAS_P(NODE) \
2752 && TYPE_NAME (NODE) \
2753 && TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
2754 && TYPE_DECL_ALIAS_P (TYPE_NAME (NODE)))
2756 /* For a class type: if this structure has many fields, we'll sort them
2757 and put them into a TREE_VEC. */
2758 #define CLASSTYPE_SORTED_FIELDS(NODE) \
2759 (LANG_TYPE_CLASS_CHECK (NODE)->sorted_fields)
2761 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL or
2762 TEMPLATE_DECL, the entity is either a template specialization (if
2763 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
2766 In either case, DECL_TEMPLATE_INFO is a TREE_LIST, whose
2767 TREE_PURPOSE is the TEMPLATE_DECL of which this entity is a
2768 specialization or abstract instance. The TREE_VALUE is the
2769 template arguments used to specialize the template.
2773 template <typename T> struct S { friend void f(T) {} };
2775 In this case, S<int>::f is, from the point of view of the compiler,
2776 an instantiation of a template -- but, from the point of view of
2777 the language, each instantiation of S results in a wholly unrelated
2778 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
2779 will be non-NULL, but DECL_USE_TEMPLATE will be zero. */
2780 #define DECL_TEMPLATE_INFO(NODE) \
2781 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_FIELD_OR_FUNCTION_DECL_CHECK (NODE)) \
2782 ->u.min.template_info)
2784 /* For a VAR_DECL, indicates that the variable is actually a
2785 non-static data member of anonymous union that has been promoted to
2787 #define DECL_ANON_UNION_VAR_P(NODE) \
2788 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2790 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2791 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2792 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2794 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2795 not be a primary template, it may be declared within the scope of a
2796 primary template and the enumeration constants may depend on
2797 non-type template parameters. */
2798 #define ENUM_TEMPLATE_INFO(NODE) \
2799 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2801 /* Template information for a template template parameter. */
2802 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2803 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2806 /* Template information for an ENUMERAL_, RECORD_, UNION_TYPE, or
2807 BOUND_TEMPLATE_TEMPLATE_PARM type. Note that if NODE is a
2808 specialization of an alias template, this accessor returns the
2809 template info for the alias template, not the one (if any) for the
2810 template of the underlying type. */
2811 #define TYPE_TEMPLATE_INFO(NODE) \
2812 ((TYPE_ALIAS_P (NODE) && DECL_LANG_SPECIFIC (TYPE_NAME (NODE))) \
2813 ? (DECL_LANG_SPECIFIC (TYPE_NAME (NODE)) \
2814 ? DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) \
2816 : ((TREE_CODE (NODE) == ENUMERAL_TYPE) \
2817 ? ENUM_TEMPLATE_INFO (NODE) \
2818 : ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
2819 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) \
2820 : (CLASS_TYPE_P (NODE) \
2821 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2825 /* Set the template information for an ENUMERAL_, RECORD_, or
2826 UNION_TYPE to VAL. */
2827 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2828 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2829 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2830 : ((CLASS_TYPE_P (NODE) && !TYPE_ALIAS_P (NODE)) \
2831 ? (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)) \
2832 : (DECL_TEMPLATE_INFO (TYPE_NAME (NODE)) = (VAL))))
2834 #define TI_TEMPLATE(NODE) TREE_TYPE (TEMPLATE_INFO_CHECK (NODE))
2835 #define TI_ARGS(NODE) TREE_CHAIN (TEMPLATE_INFO_CHECK (NODE))
2836 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2837 /* For a given TREE_VEC containing a template argument list,
2838 this property contains the number of arguments that are not
2840 #define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) TREE_CHAIN (TREE_VEC_CHECK (NODE))
2841 /* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT
2843 #define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \
2844 NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE)
2845 #ifdef ENABLE_CHECKING
2846 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
2847 int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE))
2849 #define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
2850 NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \
2851 ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \
2852 : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE))
2854 /* The list of typedefs - used in the template - that need
2855 access checking at template instantiation time.
2857 FIXME this should be associated with the TEMPLATE_DECL, not the
2859 #define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) \
2860 ((struct tree_template_info*)TEMPLATE_INFO_CHECK \
2861 (NODE))->typedefs_needing_access_checking
2863 /* We use TREE_VECs to hold template arguments. If there is only one
2864 level of template arguments, then the TREE_VEC contains the
2865 arguments directly. If there is more than one level of template
2866 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2867 containing the template arguments for a single level. The first
2868 entry in the outer TREE_VEC is the outermost level of template
2869 parameters; the last is the innermost.
2871 It is incorrect to ever form a template argument vector containing
2872 only one level of arguments, but which is a TREE_VEC containing as
2873 its only entry the TREE_VEC for that level.
2875 For each TREE_VEC containing the template arguments for a single
2876 level, it's possible to get or set the number of non defaulted
2877 template arguments by using the accessor macros
2878 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or
2879 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */
2881 /* Nonzero if the template arguments is actually a vector of vectors,
2882 rather than just a vector. */
2883 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2884 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \
2885 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2887 /* The depth of a template argument vector. When called directly by
2888 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2889 template arguments. In fact, we may even see NULL_TREE if there
2890 are no template arguments. In both of those cases, there is only
2891 one level of template arguments. */
2892 #define TMPL_ARGS_DEPTH(NODE) \
2893 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2895 /* The LEVELth level of the template ARGS. The outermost level of
2896 args is level 1, not level 0. */
2897 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2898 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2899 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2901 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2902 not work with single-level argument vectors. */
2903 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2904 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2906 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2907 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2908 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2910 /* Given a single level of template arguments in NODE, return the
2911 number of arguments. */
2912 #define NUM_TMPL_ARGS(NODE) \
2913 (TREE_VEC_LENGTH (NODE))
2915 /* Returns the innermost level of template arguments in ARGS. */
2916 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2917 (get_innermost_template_args ((NODE), 1))
2919 /* The number of levels of template parameters given by NODE. */
2920 #define TMPL_PARMS_DEPTH(NODE) \
2921 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2923 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2924 TEMPLATE_DECL will be the immediate parent, not the most general
2925 template. For example, in:
2927 template <class T> struct S { template <class U> void f(U); }
2929 the FUNCTION_DECL for S<int>::f<double> will have, as its
2930 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2932 As a special case, for a member friend template of a template
2933 class, this value will not be a TEMPLATE_DECL, but rather an
2934 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2935 any explicit template arguments provided. For example, in:
2937 template <class T> struct S { friend void f<int>(int, double); }
2939 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2940 DECL_TI_ARGS will be {int}.
2942 For a FIELD_DECL with a non-static data member initializer, this value
2943 is the FIELD_DECL it was instantiated from. */
2944 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2946 /* The template arguments used to obtain this decl from the most
2947 general form of DECL_TI_TEMPLATE. For the example given for
2948 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2949 are always the full set of arguments required to instantiate this
2950 declaration from the most general template specialized here. */
2951 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2953 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
2954 will be generated from a partial specialization, the TEMPLATE_DECL
2955 referred to here will be the original template. For example,
2958 template <typename T> struct S {};
2959 template <typename T> struct S<T*> {};
2961 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>. */
2962 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2963 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2965 /* For a template instantiation TYPE, returns the TYPE corresponding
2966 to the primary template. Otherwise returns TYPE itself. */
2967 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2968 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
2969 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2970 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2971 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2974 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
2975 #define TYPE_TI_TEMPLATE(NODE) \
2976 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2978 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2979 #define TYPE_TI_ARGS(NODE) \
2980 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2982 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2984 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
2985 sense of [temp.mem]. */
2986 #define DECL_MEMBER_TEMPLATE_P(NODE) \
2987 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
2989 /* Nonzero if the NODE corresponds to the template parameters for a
2990 member template, whose inline definition is being processed after
2991 the class definition is complete. */
2992 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2994 /* Determine if a declaration (PARM_DECL or FIELD_DECL) is a pack. */
2995 #define DECL_PACK_P(NODE) \
2996 (DECL_P (NODE) && PACK_EXPANSION_P (TREE_TYPE (NODE)))
2998 /* Determines if NODE is an expansion of one or more parameter packs,
2999 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
3000 #define PACK_EXPANSION_P(NODE) \
3001 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3002 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
3004 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
3005 EXPR_PACK_EXPANSION. */
3006 #define PACK_EXPANSION_PATTERN(NODE) \
3007 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION? TREE_TYPE (NODE) \
3008 : TREE_OPERAND (NODE, 0))
3010 /* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or
3011 EXPR_PACK_EXPANSION. */
3012 #define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \
3013 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \
3014 TREE_TYPE (NODE) = VALUE; \
3016 TREE_OPERAND (NODE, 0) = VALUE
3018 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
3019 TREE_VALUE of each TREE_LIST contains the parameter packs. */
3020 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) \
3021 *(TREE_CODE (NODE) == EXPR_PACK_EXPANSION \
3022 ? &TREE_OPERAND (NODE, 1) \
3023 : &TYPE_MINVAL (TYPE_PACK_EXPANSION_CHECK (NODE)))
3025 /* Any additional template args to be applied when substituting into
3026 the pattern, set by tsubst_pack_expansion for partial instantiations. */
3027 #define PACK_EXPANSION_EXTRA_ARGS(NODE) \
3028 *(TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
3029 ? &TYPE_MAXVAL (NODE) \
3030 : &TREE_OPERAND ((NODE), 2))
3032 /* True iff this pack expansion is within a function context. */
3033 #define PACK_EXPANSION_LOCAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
3035 /* True iff this pack expansion is for sizeof.... */
3036 #define PACK_EXPANSION_SIZEOF_P(NODE) TREE_LANG_FLAG_1 (NODE)
3038 /* Determine if this is an argument pack. */
3039 #define ARGUMENT_PACK_P(NODE) \
3040 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
3041 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
3043 /* The arguments stored in an argument pack. Arguments are stored in a
3044 TREE_VEC, which may have length zero. */
3045 #define ARGUMENT_PACK_ARGS(NODE) \
3046 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \
3047 : TREE_OPERAND (NODE, 0))
3049 /* Set the arguments stored in an argument pack. VALUE must be a
3051 #define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \
3052 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \
3053 TREE_TYPE (NODE) = VALUE; \
3055 TREE_OPERAND (NODE, 0) = VALUE
3057 /* Whether the argument pack is "incomplete", meaning that more
3058 arguments can still be deduced. Incomplete argument packs are only
3059 used when the user has provided an explicit template argument list
3060 for a variadic function template. Some of the explicit template
3061 arguments will be placed into the beginning of the argument pack,
3062 but additional arguments might still be deduced. */
3063 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
3064 TREE_ADDRESSABLE (ARGUMENT_PACK_ARGS (NODE))
3066 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
3067 arguments used to fill this pack. */
3068 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
3069 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
3071 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
3072 argument will be selected. */
3073 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
3074 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
3076 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
3078 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
3079 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
3081 /* In an ARGUMENT_PACK_SELECT, the actual underlying argument that the
3082 ARGUMENT_PACK_SELECT represents. */
3083 #define ARGUMENT_PACK_SELECT_ARG(NODE) \
3084 TREE_VEC_ELT (ARGUMENT_PACK_ARGS (ARGUMENT_PACK_SELECT_FROM_PACK (NODE)), \
3085 ARGUMENT_PACK_SELECT_INDEX (NODE));
3087 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
3088 #define DECL_SAVED_FUNCTION_DATA(NODE) \
3089 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \
3090 ->u.saved_language_function)
3092 /* True if NODE is an implicit INDIRECT_EXPR from convert_from_reference. */
3093 #define REFERENCE_REF_P(NODE) \
3094 (INDIRECT_REF_P (NODE) \
3095 && TREE_TYPE (TREE_OPERAND (NODE, 0)) \
3096 && (TREE_CODE (TREE_TYPE (TREE_OPERAND ((NODE), 0))) \
3099 /* True if NODE is a REFERENCE_TYPE which is OK to instantiate to be a
3100 reference to VLA type, because it's used for VLA capture. */
3101 #define REFERENCE_VLA_OK(NODE) \
3102 (TYPE_LANG_FLAG_5 (REFERENCE_TYPE_CHECK (NODE)))
3104 #define NEW_EXPR_USE_GLOBAL(NODE) \
3105 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
3106 #define DELETE_EXPR_USE_GLOBAL(NODE) \
3107 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
3108 #define DELETE_EXPR_USE_VEC(NODE) \
3109 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
3111 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
3112 resolve to a function call. */
3113 #define COMPOUND_EXPR_OVERLOADED(NODE) \
3114 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
3116 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
3117 should be performed at instantiation time. */
3118 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
3120 /* True if CALL_EXPR expresses list-initialization of an object. */
3121 #define CALL_EXPR_LIST_INIT_P(NODE) \
3122 TREE_LANG_FLAG_3 (TREE_CHECK2 ((NODE),CALL_EXPR,AGGR_INIT_EXPR))
3124 /* Indicates whether a string literal has been parenthesized. Such
3125 usages are disallowed in certain circumstances. */
3127 #define PAREN_STRING_LITERAL_P(NODE) \
3128 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
3130 /* Indicates whether a COMPONENT_REF has been parenthesized, or an
3131 INDIRECT_REF comes from parenthesizing a VAR_DECL. Currently only set
3132 some of the time in C++14 mode. */
3134 #define REF_PARENTHESIZED_P(NODE) \
3135 TREE_LANG_FLAG_2 (TREE_CHECK2 ((NODE), COMPONENT_REF, INDIRECT_REF))
3137 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
3138 constructor call, rather than an ordinary function call. */
3139 #define AGGR_INIT_VIA_CTOR_P(NODE) \
3140 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
3142 /* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize
3144 #define AGGR_INIT_ZERO_FIRST(NODE) \
3145 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE))
3147 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
3148 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
3149 CALL_EXPR_STATIC_CHAIN). */
3151 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
3152 #define AGGR_INIT_EXPR_SLOT(NODE) \
3153 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
3154 #define AGGR_INIT_EXPR_ARG(NODE, I) \
3155 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
3156 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
3158 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
3159 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
3160 the argument count is zero when checking is enabled. Instead, do
3161 the pointer arithmetic to advance past the 3 fixed operands in a
3162 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
3163 the operand array, even if it's not valid to dereference it. */
3164 #define AGGR_INIT_EXPR_ARGP(NODE) \
3165 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
3167 /* Abstract iterators for AGGR_INIT_EXPRs. */
3169 /* Structure containing iterator state. */
3170 typedef struct aggr_init_expr_arg_iterator_d {
3171 tree t; /* the aggr_init_expr */
3172 int n; /* argument count */
3173 int i; /* next argument index */
3174 } aggr_init_expr_arg_iterator;
3176 /* Initialize the abstract argument list iterator object ITER with the
3177 arguments from AGGR_INIT_EXPR node EXP. */
3179 init_aggr_init_expr_arg_iterator (tree exp,
3180 aggr_init_expr_arg_iterator *iter)
3183 iter->n = aggr_init_expr_nargs (exp);
3187 /* Return the next argument from abstract argument list iterator object ITER,
3188 and advance its state. Return NULL_TREE if there are no more arguments. */
3190 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator *iter)
3193 if (iter->i >= iter->n)
3195 result = AGGR_INIT_EXPR_ARG (iter->t, iter->i);
3200 /* Initialize the abstract argument list iterator object ITER, then advance
3201 past and return the first argument. Useful in for expressions, e.g.
3202 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
3203 arg = next_aggr_init_expr_arg (&iter)) */
3205 first_aggr_init_expr_arg (tree exp, aggr_init_expr_arg_iterator *iter)
3207 init_aggr_init_expr_arg_iterator (exp, iter);
3208 return next_aggr_init_expr_arg (iter);
3211 /* Test whether there are more arguments in abstract argument list iterator
3212 ITER, without changing its state. */
3214 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter)
3216 return (iter->i < iter->n);
3219 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
3220 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
3221 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
3222 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
3223 (arg) = next_aggr_init_expr_arg (&(iter)))
3225 /* VEC_INIT_EXPR accessors. */
3226 #define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 0)
3227 #define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (VEC_INIT_EXPR_CHECK (NODE), 1)
3229 /* Indicates that a VEC_INIT_EXPR is a potential constant expression.
3230 Only set when the current function is constexpr. */
3231 #define VEC_INIT_EXPR_IS_CONSTEXPR(NODE) \
3232 TREE_LANG_FLAG_0 (VEC_INIT_EXPR_CHECK (NODE))
3234 /* Indicates that a VEC_INIT_EXPR is expressing value-initialization. */
3235 #define VEC_INIT_EXPR_VALUE_INIT(NODE) \
3236 TREE_LANG_FLAG_1 (VEC_INIT_EXPR_CHECK (NODE))
3238 /* The condition under which this MUST_NOT_THROW_EXPR actually blocks
3239 exceptions. NULL_TREE means 'true'. */
3240 #define MUST_NOT_THROW_COND(NODE) \
3241 TREE_OPERAND (MUST_NOT_THROW_EXPR_CHECK (NODE), 1)
3243 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
3244 TEMPLATE_DECL. This macro determines whether or not a given class
3245 type is really a template type, as opposed to an instantiation or
3246 specialization of one. */
3247 #define CLASSTYPE_IS_TEMPLATE(NODE) \
3248 (CLASSTYPE_TEMPLATE_INFO (NODE) \
3249 && !CLASSTYPE_USE_TEMPLATE (NODE) \
3250 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
3252 /* The name used by the user to name the typename type. Typically,
3253 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
3254 corresponding TYPE_DECL. However, this may also be a
3255 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
3256 #define TYPENAME_TYPE_FULLNAME(NODE) \
3257 (TYPE_VALUES_RAW (TYPENAME_TYPE_CHECK (NODE)))
3259 /* True if a TYPENAME_TYPE was declared as an "enum". */
3260 #define TYPENAME_IS_ENUM_P(NODE) \
3261 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
3263 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
3265 #define TYPENAME_IS_CLASS_P(NODE) \
3266 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
3268 /* True if a TYPENAME_TYPE is in the process of being resolved. */
3269 #define TYPENAME_IS_RESOLVING_P(NODE) \
3270 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
3274 A class that declares or inherits a virtual function is called a
3275 polymorphic class. */
3276 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
3278 /* Nonzero if this class has a virtual function table pointer. */
3279 #define TYPE_CONTAINS_VPTR_P(NODE) \
3280 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
3282 /* This flag is true of a local VAR_DECL if it was declared in a for
3283 statement, but we are no longer in the scope of the for. */
3284 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
3286 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
3287 if we already emitted a warning about using it. */
3288 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
3290 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
3291 scope) declared in a local scope. */
3292 #define DECL_LOCAL_FUNCTION_P(NODE) \
3293 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
3295 /* Nonzero if NODE is the target for genericization of 'break' stmts. */
3296 #define LABEL_DECL_BREAK(NODE) \
3297 DECL_LANG_FLAG_0 (LABEL_DECL_CHECK (NODE))
3299 /* Nonzero if NODE is the target for genericization of 'continue' stmts. */
3300 #define LABEL_DECL_CONTINUE(NODE) \
3301 DECL_LANG_FLAG_1 (LABEL_DECL_CHECK (NODE))
3303 /* True if NODE was declared with auto in its return type, but it has
3304 started compilation and so the return type might have been changed by
3305 return type deduction; its declared return type should be found in
3306 DECL_STRUCT_FUNCTION(NODE)->language->x_auto_return_pattern. */
3307 #define FNDECL_USED_AUTO(NODE) \
3308 TREE_LANG_FLAG_2 (FUNCTION_DECL_CHECK (NODE))
3310 /* Nonzero if NODE is a DECL which we know about but which has not
3311 been explicitly declared, such as a built-in function or a friend
3312 declared inside a class. In the latter case DECL_HIDDEN_FRIEND_P
3314 #define DECL_ANTICIPATED(NODE) \
3315 (DECL_LANG_SPECIFIC (TYPE_FUNCTION_OR_TEMPLATE_DECL_CHECK (NODE)) \
3316 ->u.base.anticipated_p)
3318 /* Nonzero if NODE is a FUNCTION_DECL which was declared as a friend
3319 within a class but has not been declared in the surrounding scope.
3320 The function is invisible except via argument dependent lookup. */
3321 #define DECL_HIDDEN_FRIEND_P(NODE) \
3322 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->hidden_friend_p)
3324 /* Nonzero if NODE is an artificial FUNCTION_DECL for
3325 #pragma omp declare reduction. */
3326 #define DECL_OMP_DECLARE_REDUCTION_P(NODE) \
3327 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->omp_declare_reduction_p)
3329 /* Nonzero if DECL has been declared threadprivate by
3330 #pragma omp threadprivate. */
3331 #define CP_DECL_THREADPRIVATE_P(DECL) \
3332 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
3334 /* Nonzero if DECL was declared with '= delete'. */
3335 #define DECL_DELETED_FN(DECL) \
3336 (LANG_DECL_FN_CHECK (DECL)->min.base.threadprivate_or_deleted_p)
3338 /* Nonzero if DECL was declared with '= default' (maybe implicitly). */
3339 #define DECL_DEFAULTED_FN(DECL) \
3340 (LANG_DECL_FN_CHECK (DECL)->defaulted_p)
3342 /* Nonzero if DECL is explicitly defaulted in the class body. */
3343 #define DECL_DEFAULTED_IN_CLASS_P(DECL) \
3344 (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL))
3345 /* Nonzero if DECL was defaulted outside the class body. */
3346 #define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \
3347 (DECL_DEFAULTED_FN (DECL) \
3348 && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL)))
3350 /* Record whether a typedef for type `int' was actually `signed int'. */
3351 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
3353 /* Returns nonzero if DECL has external linkage, as specified by the
3354 language standard. (This predicate may hold even when the
3355 corresponding entity is not actually given external linkage in the
3356 object file; see decl_linkage for details.) */
3357 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
3358 (decl_linkage (DECL) == lk_external)
3360 /* Keep these codes in ascending code order. */
3362 #define INTEGRAL_CODE_P(CODE) \
3363 ((CODE) == ENUMERAL_TYPE \
3364 || (CODE) == BOOLEAN_TYPE \
3365 || (CODE) == INTEGER_TYPE)
3367 /* [basic.fundamental]
3369 Types bool, char, wchar_t, and the signed and unsigned integer types
3370 are collectively called integral types.
3372 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
3373 types as well, which is incorrect in C++. Keep these checks in
3374 ascending code order. */
3375 #define CP_INTEGRAL_TYPE_P(TYPE) \
3376 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
3377 || TREE_CODE (TYPE) == INTEGER_TYPE)
3379 /* Returns true if TYPE is an integral or enumeration name. Keep
3380 these checks in ascending code order. */
3381 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
3382 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
3384 /* Returns true if TYPE is an integral or unscoped enumeration type. */
3385 #define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
3386 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
3388 /* True if the class type TYPE is a literal type. */
3389 #define CLASSTYPE_LITERAL_P(TYPE) \
3390 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
3392 /* [basic.fundamental]
3394 Integral and floating types are collectively called arithmetic
3397 As a GNU extension, we also accept complex types.
3399 Keep these checks in ascending code order. */
3400 #define ARITHMETIC_TYPE_P(TYPE) \
3401 (CP_INTEGRAL_TYPE_P (TYPE) \
3402 || TREE_CODE (TYPE) == REAL_TYPE \
3403 || TREE_CODE (TYPE) == COMPLEX_TYPE)
3405 /* True iff TYPE is cv decltype(nullptr). */
3406 #define NULLPTR_TYPE_P(TYPE) (TREE_CODE (TYPE) == NULLPTR_TYPE)
3410 Arithmetic types, enumeration types, pointer types,
3411 pointer-to-member types, and std::nullptr_t are collectively called
3414 Keep these checks in ascending code order. */
3415 #define SCALAR_TYPE_P(TYPE) \
3416 (TYPE_PTRDATAMEM_P (TYPE) \
3417 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
3418 || ARITHMETIC_TYPE_P (TYPE) \
3419 || TYPE_PTR_P (TYPE) \
3420 || TYPE_PTRMEMFUNC_P (TYPE) \
3421 || NULLPTR_TYPE_P (TYPE))
3423 /* Determines whether this type is a C++0x scoped enumeration
3424 type. Scoped enumerations types are introduced via "enum class" or
3425 "enum struct", e.g.,
3431 Scoped enumeration types are different from normal (unscoped)
3432 enumeration types in several ways:
3434 - The enumerators of a scoped enumeration type are only available
3435 within the scope of the enumeration type and not in the
3436 enclosing scope. For example, the Red color can be referred to
3437 with "Color::Red" but not "Red".
3439 - Scoped enumerators and enumerations do not implicitly convert
3440 to integers or 'bool'.
3442 - The underlying type of the enum is well-defined. */
3443 #define SCOPED_ENUM_P(TYPE) \
3444 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_SCOPED (TYPE))
3446 /* Determine whether this is an unscoped enumeration type. */
3447 #define UNSCOPED_ENUM_P(TYPE) \
3448 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !ENUM_IS_SCOPED (TYPE))
3450 /* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
3451 enumeration type (1) or a normal (unscoped) enumeration type
3453 #define SET_SCOPED_ENUM_P(TYPE, VAL) \
3454 (ENUM_IS_SCOPED (TYPE) = (VAL))
3456 #define SET_OPAQUE_ENUM_P(TYPE, VAL) \
3457 (ENUM_IS_OPAQUE (TYPE) = (VAL))
3459 #define OPAQUE_ENUM_P(TYPE) \
3460 (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_OPAQUE (TYPE))
3462 /* Determines whether an ENUMERAL_TYPE has an explicit
3464 #define ENUM_FIXED_UNDERLYING_TYPE_P(NODE) (TYPE_LANG_FLAG_5 (NODE))
3466 /* Returns the underlying type of the given enumeration type. The
3467 underlying type is determined in different ways, depending on the
3468 properties of the enum:
3470 - In C++0x, the underlying type can be explicitly specified, e.g.,
3472 enum E1 : char { ... } // underlying type is char
3474 - In a C++0x scoped enumeration, the underlying type is int
3475 unless otherwises specified:
3477 enum class E2 { ... } // underlying type is int
3479 - Otherwise, the underlying type is determined based on the
3480 values of the enumerators. In this case, the
3481 ENUM_UNDERLYING_TYPE will not be set until after the definition
3482 of the enumeration is completed by finish_enum. */
3483 #define ENUM_UNDERLYING_TYPE(TYPE) \
3484 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE))
3488 An aggregate is an array or a class with no user-provided
3489 constructors, no brace-or-equal-initializers for non-static data
3490 members, no private or protected non-static data members, no
3491 base classes, and no virtual functions.
3493 As an extension, we also treat vectors as aggregates. Keep these
3494 checks in ascending code order. */
3495 #define CP_AGGREGATE_TYPE_P(TYPE) \
3496 (TREE_CODE (TYPE) == VECTOR_TYPE \
3497 ||TREE_CODE (TYPE) == ARRAY_TYPE \
3498 || (CLASS_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
3500 /* Nonzero for a class type means that the class type has a
3501 user-declared constructor. */
3502 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
3504 /* Nonzero means that the FUNCTION_TYPE or METHOD_TYPE has a
3505 late-specified return type. */
3506 #define TYPE_HAS_LATE_RETURN_TYPE(NODE) \
3507 (TYPE_LANG_FLAG_2 (FUNC_OR_METHOD_CHECK (NODE)))
3509 /* When appearing in an INDIRECT_REF, it means that the tree structure
3510 underneath is actually a call to a constructor. This is needed
3511 when the constructor must initialize local storage (which can
3512 be automatically destroyed), rather than allowing it to allocate
3513 space from the heap.
3515 When appearing in a SAVE_EXPR, it means that underneath
3516 is a call to a constructor.
3518 When appearing in a CONSTRUCTOR, the expression is a
3521 When appearing in a FIELD_DECL, it means that this field
3522 has been duly initialized in its constructor. */
3523 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
3525 /* True if NODE is a brace-enclosed initializer. */
3526 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
3527 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
3529 /* True if NODE is a compound-literal, i.e., a brace-enclosed
3530 initializer cast to a particular type. */
3531 #define COMPOUND_LITERAL_P(NODE) \
3532 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
3534 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
3535 && vec_safe_is_empty(CONSTRUCTOR_ELTS(NODE))\
3536 && !TREE_HAS_CONSTRUCTOR (NODE))
3538 /* True if NODE is a init-list used as a direct-initializer, i.e.
3539 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
3540 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
3542 /* True if an uninitialized element in NODE should not be treated as
3543 implicitly value-initialized. Only used in constexpr evaluation. */
3544 #define CONSTRUCTOR_NO_IMPLICIT_ZERO(NODE) \
3545 (TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (NODE)))
3547 /* True if this CONSTRUCTOR should not be used as a variable initializer
3548 because it was loaded from a constexpr variable with mutable fields. */
3549 #define CONSTRUCTOR_MUTABLE_POISON(NODE) \
3550 (TREE_LANG_FLAG_2 (CONSTRUCTOR_CHECK (NODE)))
3552 #define DIRECT_LIST_INIT_P(NODE) \
3553 (BRACE_ENCLOSED_INITIALIZER_P (NODE) && CONSTRUCTOR_IS_DIRECT_INIT (NODE))
3555 /* True if NODE represents a conversion for direct-initialization in a
3556 template. Set by perform_implicit_conversion_flags. */
3557 #define IMPLICIT_CONV_EXPR_DIRECT_INIT(NODE) \
3558 (TREE_LANG_FLAG_0 (IMPLICIT_CONV_EXPR_CHECK (NODE)))
3560 /* Nonzero means that an object of this type can not be initialized using
3561 an initializer list. */
3562 #define CLASSTYPE_NON_AGGREGATE(NODE) \
3563 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
3564 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
3565 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
3567 /* Nonzero if there is a non-trivial X::op=(cv X&) for this class. */
3568 #define TYPE_HAS_COMPLEX_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_assign)
3570 /* Nonzero if there is a non-trivial X::X(cv X&) for this class. */
3571 #define TYPE_HAS_COMPLEX_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_ctor)
3573 /* Nonzero if there is a non-trivial X::op=(X&&) for this class. */
3574 #define TYPE_HAS_COMPLEX_MOVE_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_assign)
3576 /* Nonzero if there is a non-trivial X::X(X&&) for this class. */
3577 #define TYPE_HAS_COMPLEX_MOVE_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_ctor)
3579 /* Nonzero if there is no trivial default constructor for this class. */
3580 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
3582 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
3584 A destructor is trivial if it is an implicitly declared
3587 - all of the direct base classes of its class have trivial
3590 - for all of the non-static data members of its class that are
3591 of class type (or array thereof), each such class has a
3592 trivial destructor. */
3593 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
3594 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
3596 /* Nonzero for _TYPE node means that this type does not have a trivial
3597 destructor. Therefore, destroying an object of this type will
3598 involve a call to a destructor. This can apply to objects of
3599 ARRAY_TYPE is the type of the elements needs a destructor. */
3600 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
3601 (TYPE_LANG_FLAG_4 (NODE))
3603 /* Nonzero for class type means that the default constructor is trivial. */
3604 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
3605 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
3607 /* Nonzero for class type means that copy initialization of this type can use
3609 #define TYPE_HAS_TRIVIAL_COPY_CTOR(NODE) \
3610 (TYPE_HAS_COPY_CTOR (NODE) && ! TYPE_HAS_COMPLEX_COPY_CTOR (NODE))
3612 /* Nonzero for class type means that assignment of this type can use
3614 #define TYPE_HAS_TRIVIAL_COPY_ASSIGN(NODE) \
3615 (TYPE_HAS_COPY_ASSIGN (NODE) && ! TYPE_HAS_COMPLEX_COPY_ASSIGN (NODE))
3617 /* Returns true if NODE is a pointer-to-data-member. */
3618 #define TYPE_PTRDATAMEM_P(NODE) \
3619 (TREE_CODE (NODE) == OFFSET_TYPE)
3620 /* Returns true if NODE is a pointer. */
3621 #define TYPE_PTR_P(NODE) \
3622 (TREE_CODE (NODE) == POINTER_TYPE)
3624 /* Returns true if NODE is an object type:
3628 An object type is a (possibly cv-qualified) type that is not a
3629 function type, not a reference type, and not a void type.
3631 Keep these checks in ascending order, for speed. */
3632 #define TYPE_OBJ_P(NODE) \
3633 (TREE_CODE (NODE) != REFERENCE_TYPE \
3634 && !VOID_TYPE_P (NODE) \
3635 && TREE_CODE (NODE) != FUNCTION_TYPE \
3636 && TREE_CODE (NODE) != METHOD_TYPE)
3638 /* Returns true if NODE is a pointer to an object. Keep these checks
3639 in ascending tree code order. */
3640 #define TYPE_PTROB_P(NODE) \
3641 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
3643 /* Returns true if NODE is a reference to an object. Keep these checks
3644 in ascending tree code order. */
3645 #define TYPE_REF_OBJ_P(NODE) \
3646 (TREE_CODE (NODE) == REFERENCE_TYPE && TYPE_OBJ_P (TREE_TYPE (NODE)))
3648 /* Returns true if NODE is a pointer to an object, or a pointer to
3649 void. Keep these checks in ascending tree code order. */
3650 #define TYPE_PTROBV_P(NODE) \
3651 (TYPE_PTR_P (NODE) \
3652 && !(TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
3653 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
3655 /* Returns true if NODE is a pointer to function type. */
3656 #define TYPE_PTRFN_P(NODE) \
3657 (TYPE_PTR_P (NODE) \
3658 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
3660 /* Returns true if NODE is a reference to function type. */
3661 #define TYPE_REFFN_P(NODE) \
3662 (TREE_CODE (NODE) == REFERENCE_TYPE \
3663 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
3665 /* Returns true if NODE is a pointer to member function type. */
3666 #define TYPE_PTRMEMFUNC_P(NODE) \
3667 (TREE_CODE (NODE) == RECORD_TYPE \
3668 && TYPE_PTRMEMFUNC_FLAG (NODE))
3670 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
3671 (TYPE_LANG_FLAG_2 (RECORD_TYPE_CHECK (NODE)))
3673 /* Returns true if NODE is a pointer-to-member. */
3674 #define TYPE_PTRMEM_P(NODE) \
3675 (TYPE_PTRDATAMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
3677 /* Returns true if NODE is a pointer or a pointer-to-member. */
3678 #define TYPE_PTR_OR_PTRMEM_P(NODE) \
3679 (TYPE_PTR_P (NODE) || TYPE_PTRMEM_P (NODE))
3681 /* Indicates when overload resolution may resolve to a pointer to
3682 member function. [expr.unary.op]/3 */
3683 #define PTRMEM_OK_P(NODE) \
3684 TREE_LANG_FLAG_0 (TREE_CHECK3 ((NODE), ADDR_EXPR, OFFSET_REF, SCOPE_REF))
3686 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
3687 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
3688 before using this macro. */
3689 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
3690 (cp_build_qualified_type (TREE_TYPE (TYPE_FIELDS (NODE)),\
3691 cp_type_quals (NODE)))
3693 /* As above, but can be used in places that want an lvalue at the expense
3694 of not necessarily having the correct cv-qualifiers. */
3695 #define TYPE_PTRMEMFUNC_FN_TYPE_RAW(NODE) \
3696 (TREE_TYPE (TYPE_FIELDS (NODE)))
3698 /* Returns `A' for a type like `int (A::*)(double)' */
3699 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
3700 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
3702 /* These are use to manipulate the canonical RECORD_TYPE from the
3703 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
3704 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
3705 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
3706 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
3708 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
3710 TYPE_LANG_SPECIFIC (NODE) \
3711 = (struct lang_type *) ggc_internal_cleared_alloc \
3712 (sizeof (struct lang_type_ptrmem)); \
3713 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
3715 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
3718 /* For a pointer-to-member type of the form `T X::*', this is `X'.
3719 For a type like `void (X::*)() const', this type is `X', not `const
3720 X'. To get at the `const X' you have to look at the
3721 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
3723 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
3724 (TYPE_PTRDATAMEM_P (NODE) \
3725 ? TYPE_OFFSET_BASETYPE (NODE) \
3726 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
3728 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
3729 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
3730 (TYPE_PTRDATAMEM_P (NODE) \
3731 ? TREE_TYPE (NODE) \
3732 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
3734 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
3736 #define PTRMEM_CST_CLASS(NODE) \
3737 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
3739 /* For a pointer-to-member constant `X::Y' this is the _DECL for
3741 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
3743 /* The expression in question for a TYPEOF_TYPE. */
3744 #define TYPEOF_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (TYPEOF_TYPE_CHECK (NODE)))
3746 /* The type in question for an UNDERLYING_TYPE. */
3747 #define UNDERLYING_TYPE_TYPE(NODE) \
3748 (TYPE_VALUES_RAW (UNDERLYING_TYPE_CHECK (NODE)))
3750 /* The type in question for BASES. */
3751 #define BASES_TYPE(NODE) \
3752 (TYPE_VALUES_RAW (BASES_CHECK (NODE)))
3754 #define BASES_DIRECT(NODE) \
3755 TREE_LANG_FLAG_0 (BASES_CHECK (NODE))
3757 /* The expression in question for a DECLTYPE_TYPE. */
3758 #define DECLTYPE_TYPE_EXPR(NODE) (TYPE_VALUES_RAW (DECLTYPE_TYPE_CHECK (NODE)))
3760 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
3761 id-expression or a member-access expression. When false, it was
3762 parsed as a full expression. */
3763 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
3764 (DECLTYPE_TYPE_CHECK (NODE))->type_common.string_flag
3766 /* These flags indicate that we want different semantics from normal
3767 decltype: lambda capture just drops references, init capture
3768 uses auto semantics, lambda proxies look through implicit dereference. */
3769 #define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
3770 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
3771 #define DECLTYPE_FOR_INIT_CAPTURE(NODE) \
3772 TREE_LANG_FLAG_1 (DECLTYPE_TYPE_CHECK (NODE))
3773 #define DECLTYPE_FOR_LAMBDA_PROXY(NODE) \
3774 TREE_LANG_FLAG_2 (DECLTYPE_TYPE_CHECK (NODE))
3776 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
3777 specified in its declaration. This can also be set for an
3778 erroneously declared PARM_DECL. */
3779 #define DECL_THIS_EXTERN(NODE) \
3780 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
3782 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
3783 specified in its declaration. This can also be set for an
3784 erroneously declared PARM_DECL. */
3785 #define DECL_THIS_STATIC(NODE) \
3786 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
3788 /* Nonzero for FIELD_DECL node means that this field is a lambda capture
3789 field for an array of runtime bound. */
3790 #define DECL_VLA_CAPTURE_P(NODE) \
3791 DECL_LANG_FLAG_1 (FIELD_DECL_CHECK (NODE))
3793 /* Nonzero for PARM_DECL node means that this is an array function
3794 parameter, i.e, a[] rather than *a. */
3795 #define DECL_ARRAY_PARAMETER_P(NODE) \
3796 DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE))
3798 /* Nonzero for FIELD_DECL node means that this field is a base class
3799 of the parent object, as opposed to a member field. */
3800 #define DECL_FIELD_IS_BASE(NODE) \
3801 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
3803 /* Nonzero for FIELD_DECL node means that this field is a simple (no
3804 explicit initializer) lambda capture field, making it invisible to
3805 name lookup in unevaluated contexts. */
3806 #define DECL_NORMAL_CAPTURE_P(NODE) \
3807 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
3809 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
3810 flag for this because "A union for which objects or pointers are
3811 declared is not an anonymous union" [class.union]. */
3812 #define ANON_AGGR_TYPE_P(NODE) \
3813 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
3814 #define SET_ANON_AGGR_TYPE_P(NODE) \
3815 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
3817 /* Nonzero if TYPE is an anonymous union type. */
3818 #define ANON_UNION_TYPE_P(NODE) \
3819 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
3821 /* Define fields and accessors for nodes representing declared names. */
3823 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
3825 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
3827 /* The format of each node in the DECL_FRIENDLIST is as follows:
3829 The TREE_PURPOSE will be the name of a function, i.e., an
3830 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
3831 TREE_VALUEs are friends with the given name. */
3832 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
3833 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
3834 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
3836 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
3837 each node is a type; the TREE_VALUE is the access granted for this
3838 DECL in that type. The DECL_ACCESS is set by access declarations.
3839 For example, if a member that would normally be public in a
3840 derived class is made protected, then the derived class and the
3841 protected_access_node will appear in the DECL_ACCESS for the node. */
3842 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
3844 /* Nonzero if the FUNCTION_DECL is a global constructor. */
3845 #define DECL_GLOBAL_CTOR_P(NODE) \
3846 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p)
3848 /* Nonzero if the FUNCTION_DECL is a global destructor. */
3849 #define DECL_GLOBAL_DTOR_P(NODE) \
3850 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p)
3852 /* Accessor macros for C++ template decl nodes. */
3854 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
3855 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
3856 template parameters, with 1 being the outermost set of template
3857 parameters. The TREE_VALUE is a vector, whose elements are the
3858 template parameters at each level. Each element in the vector is a
3859 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
3860 non-type parameter), or a TYPE_DECL (if the parameter is a type
3861 parameter). The TREE_PURPOSE is the default value, if any. The
3862 TEMPLATE_PARM_INDEX for the parameter is available as the
3863 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
3866 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
3867 tree is converted to C++ class hiearchy. */
3868 #define DECL_TEMPLATE_PARMS(NODE) \
3869 ((struct tree_template_decl *)CONST_CAST_TREE (TEMPLATE_DECL_CHECK (NODE)))->arguments
3870 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
3871 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
3872 #define DECL_NTPARMS(NODE) \
3873 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
3874 /* For function, method, class-data templates.
3876 FIXME: CONST_CAST_TREE is a hack that hopefully will go away after
3877 tree is converted to C++ class hiearchy. */
3878 #define DECL_TEMPLATE_RESULT(NODE) \
3879 ((struct tree_template_decl *)CONST_CAST_TREE(TEMPLATE_DECL_CHECK (NODE)))->result
3880 /* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS
3881 lists all instantiations and specializations of the function so that
3882 tsubst_friend_function can reassign them to another template if we find
3883 that the namespace-scope template is really a partial instantiation of a
3886 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
3887 all instantiations and specializations of the class type, including
3888 partial instantiations and partial specializations, so that if we
3889 explicitly specialize a partial instantiation we can walk the list
3890 in maybe_process_partial_specialization and reassign them or complain
3893 In both cases, the TREE_PURPOSE of each node contains the arguments
3894 used; the TREE_VALUE contains the generated variable. The template
3895 arguments are always complete. For example, given:
3897 template <class T> struct S1 {
3898 template <class U> struct S2 {};
3899 template <class U> struct S2<U*> {};
3902 the record for the partial specialization will contain, as its
3903 argument list, { {T}, {U*} }, and will be on the
3904 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
3905 <class U> struct S1<T>::S2'.
3907 This list is not used for other templates. */
3908 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) \
3909 DECL_SIZE_UNIT (TEMPLATE_DECL_CHECK (NODE))
3911 /* For a class template, this list contains the partial
3912 specializations of this template. (Full specializations are not
3913 recorded on this list.) The TREE_PURPOSE holds the arguments used
3914 in the partial specialization (e.g., for `template <class T> struct
3915 S<T*, int>' this will be `T*, int'.) The arguments will also include
3916 any outer template arguments. The TREE_VALUE holds the TEMPLATE_DECL
3917 for the partial specialization. The TREE_TYPE is the _TYPE node for
3918 the partial specialization.
3920 This list is not used for other templates. */
3921 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) \
3922 DECL_SIZE (TEMPLATE_DECL_CHECK (NODE))
3924 /* Nonzero for a DECL which is actually a template parameter. Keep
3925 these checks in ascending tree code order. */
3926 #define DECL_TEMPLATE_PARM_P(NODE) \
3927 (DECL_LANG_FLAG_0 (NODE) \
3928 && (TREE_CODE (NODE) == CONST_DECL \
3929 || TREE_CODE (NODE) == PARM_DECL \
3930 || TREE_CODE (NODE) == TYPE_DECL \
3931 || TREE_CODE (NODE) == TEMPLATE_DECL))
3933 /* Mark NODE as a template parameter. */
3934 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
3935 (DECL_LANG_FLAG_0 (NODE) = 1)
3937 /* Nonzero if NODE is a template template parameter. */
3938 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
3939 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
3941 /* Nonzero for a DECL that represents a function template. */
3942 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
3943 (TREE_CODE (NODE) == TEMPLATE_DECL \
3944 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
3945 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
3947 /* Nonzero for a DECL that represents a class template or alias
3949 #define DECL_TYPE_TEMPLATE_P(NODE) \
3950 (TREE_CODE (NODE) == TEMPLATE_DECL \
3951 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
3952 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL)
3954 /* Nonzero for a DECL that represents a class template. */
3955 #define DECL_CLASS_TEMPLATE_P(NODE) \
3956 (DECL_TYPE_TEMPLATE_P (NODE) \
3957 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE)))
3959 /* Nonzero for a TEMPLATE_DECL that represents an alias template. */
3960 #define DECL_ALIAS_TEMPLATE_P(NODE) \
3961 (DECL_TYPE_TEMPLATE_P (NODE) \
3962 && !DECL_ARTIFICIAL (DECL_TEMPLATE_RESULT (NODE)))
3964 /* Nonzero for a NODE which declares a type. */
3965 #define DECL_DECLARES_TYPE_P(NODE) \
3966 (TREE_CODE (NODE) == TYPE_DECL || DECL_TYPE_TEMPLATE_P (NODE))
3968 /* Nonzero if NODE declares a function. */
3969 #define DECL_DECLARES_FUNCTION_P(NODE) \
3970 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE))
3972 /* Nonzero if NODE is the typedef implicitly generated for a type when
3973 the type is declared. In C++, `struct S {};' is roughly
3974 equivalent to `struct S {}; typedef struct S S;' in C.
3975 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
3976 example. In C++, there is a second implicit typedef for each
3977 class, in the scope of `S' itself, so that you can say `S::S'.
3978 DECL_SELF_REFERENCE_P will hold for that second typedef. */
3979 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
3980 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
3981 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
3982 (DECL_LANG_FLAG_2 (NODE) = 1)
3983 #define DECL_SELF_REFERENCE_P(NODE) \
3984 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
3985 #define SET_DECL_SELF_REFERENCE_P(NODE) \
3986 (DECL_LANG_FLAG_4 (NODE) = 1)
3988 /* A `primary' template is one that has its own template header and is not
3989 a partial specialization. A member function of a class template is a
3990 template, but not primary. A member template is primary. Friend
3991 templates are primary, too. */
3993 /* Returns the primary template corresponding to these parameters. */
3994 #define DECL_PRIMARY_TEMPLATE(NODE) \
3995 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
3997 /* Returns nonzero if NODE is a primary template. */
3998 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
4000 /* Nonzero iff NODE is a specialization of a template. The value
4001 indicates the type of specializations:
4003 1=implicit instantiation
4005 2=partial or explicit specialization, e.g.:
4007 template <> int min<int> (int, int),
4009 3=explicit instantiation, e.g.:
4011 template int min<int> (int, int);
4013 Note that NODE will be marked as a specialization even if the
4014 template it is instantiating is not a primary template. For
4017 template <typename T> struct O {
4022 both O<int>::f and O<int>::I will be marked as instantiations.
4024 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
4026 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template)
4028 /* Like DECL_USE_TEMPLATE, but for class types. */
4029 #define CLASSTYPE_USE_TEMPLATE(NODE) \
4030 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
4032 /* True if NODE is a specialization of a primary template. */
4033 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
4034 (CLASS_TYPE_P (NODE) \
4035 && CLASSTYPE_USE_TEMPLATE (NODE) \
4036 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
4038 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
4039 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
4040 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
4042 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
4043 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
4045 /* Returns true for an explicit or partial specialization of a class
4047 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4048 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
4049 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
4050 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
4052 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
4053 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
4054 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4055 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
4056 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
4057 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
4059 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
4060 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
4061 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4062 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
4063 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
4064 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
4066 /* Nonzero if DECL is a friend function which is an instantiation
4067 from the point of view of the compiler, but not from the point of
4068 view of the language. For example given:
4069 template <class T> struct S { friend void f(T) {}; };
4070 the declaration of `void f(int)' generated when S<int> is
4071 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
4072 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
4073 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
4074 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
4076 /* Nonzero if DECL is a function generated from a function 'temploid',
4077 i.e. template, member of class template, or dependent friend. */
4078 #define DECL_TEMPLOID_INSTANTIATION(DECL) \
4079 (DECL_TEMPLATE_INSTANTIATION (DECL) \
4080 || DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (DECL))
4082 /* Nonzero if DECL is either defined implicitly by the compiler or
4083 generated from a temploid. */
4084 #define DECL_GENERATED_P(DECL) \
4085 (DECL_TEMPLOID_INSTANTIATION (DECL) || DECL_DEFAULTED_FN (DECL))
4087 /* Nonzero iff we are currently processing a declaration for an
4088 entity with its own template parameter list, and which is not a
4089 full specialization. */
4090 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
4091 (processing_template_decl > template_class_depth (current_scope ()))
4093 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
4094 instantiated, i.e. its definition has been generated from the
4095 pattern given in the template. */
4096 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
4097 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
4099 /* We know what we're doing with this decl now. */
4100 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
4102 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
4103 so that assemble_external will work properly. So we have this flag to
4104 tell us whether the decl is really not external.
4106 This flag does not indicate whether or not the decl is defined in the
4107 current translation unit; it indicates whether or not we should emit the
4108 decl at the end of compilation if it is defined and needed. */
4109 #define DECL_NOT_REALLY_EXTERN(NODE) \
4110 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern)
4112 #define DECL_REALLY_EXTERN(NODE) \
4113 (DECL_EXTERNAL (NODE) \
4114 && (!DECL_LANG_SPECIFIC (NODE) || !DECL_NOT_REALLY_EXTERN (NODE)))
4116 /* A thunk is a stub function.
4118 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
4119 The address of the ordinary FUNCTION_DECL is given by the
4120 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
4121 FUNCTION_DECL. The job of the thunk is to either adjust the this
4122 pointer before transferring control to the FUNCTION_DECL, or call
4123 FUNCTION_DECL and then adjust the result value. Note, the result
4124 pointer adjusting thunk must perform a call to the thunked
4125 function, (or be implemented via passing some invisible parameter
4126 to the thunked function, which is modified to perform the
4127 adjustment just before returning).
4129 A thunk may perform either, or both, of the following operations:
4131 o Adjust the this or result pointer by a constant offset.
4132 o Adjust the this or result pointer by looking up a vcall or vbase offset
4135 A this pointer adjusting thunk converts from a base to a derived
4136 class, and hence adds the offsets. A result pointer adjusting thunk
4137 converts from a derived class to a base, and hence subtracts the
4138 offsets. If both operations are performed, then the constant
4139 adjustment is performed first for this pointer adjustment and last
4140 for the result pointer adjustment.
4142 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
4143 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
4144 used. For this pointer adjusting thunks, it is the vcall offset
4145 into the vtable. For result pointer adjusting thunks it is the
4146 binfo of the virtual base to convert to. Use that binfo's vbase
4149 It is possible to have equivalent covariant thunks. These are
4150 distinct virtual covariant thunks whose vbase offsets happen to
4151 have the same value. THUNK_ALIAS is used to pick one as the
4152 canonical thunk, which will get all the this pointer adjusting
4153 thunks attached to it. */
4155 /* An integer indicating how many bytes should be subtracted from the
4156 this or result pointer when this function is called. */
4157 #define THUNK_FIXED_OFFSET(DECL) \
4158 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset)
4160 /* A tree indicating how to perform the virtual adjustment. For a this
4161 adjusting thunk it is the number of bytes to be added to the vtable
4162 to find the vcall offset. For a result adjusting thunk, it is the
4163 binfo of the relevant virtual base. If NULL, then there is no
4164 virtual adjust. (The vptr is always located at offset zero from
4165 the this or result pointer.) (If the covariant type is within the
4166 class hierarchy being laid out, the vbase index is not yet known
4167 at the point we need to create the thunks, hence the need to use
4170 #define THUNK_VIRTUAL_OFFSET(DECL) \
4171 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access)
4173 /* A thunk which is equivalent to another thunk. */
4174 #define THUNK_ALIAS(DECL) \
4175 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info)
4177 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
4178 possible for the target to be a thunk too. */
4179 #define THUNK_TARGET(NODE) \
4180 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
4182 /* True for a SCOPE_REF iff the "template" keyword was used to
4183 indicate that the qualified name denotes a template. */
4184 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
4185 (TREE_LANG_FLAG_1 (SCOPE_REF_CHECK (NODE)))
4187 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
4188 as an expr in operand 1, and integer_zero_node in operand 0. */
4189 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
4190 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST)
4192 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
4193 #define OMP_FOR_GIMPLIFYING_P(NODE) \
4194 (TREE_LANG_FLAG_0 (OMP_LOOP_CHECK (NODE)))
4196 /* A language-specific token attached to the OpenMP data clauses to
4197 hold code (or code fragments) related to ctors, dtors, and op=.
4198 See semantics.c for details. */
4199 #define CP_OMP_CLAUSE_INFO(NODE) \
4200 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
4203 /* Nonzero if this transaction expression's body contains statements. */
4204 #define TRANSACTION_EXPR_IS_STMT(NODE) \
4205 TREE_LANG_FLAG_0 (TRANSACTION_EXPR_CHECK (NODE))
4207 /* These macros provide convenient access to the various _STMT nodes
4208 created when parsing template declarations. */
4209 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
4210 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
4212 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
4213 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
4215 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
4217 /* Nonzero if this try block is a function try block. */
4218 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
4219 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
4220 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
4221 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
4223 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
4224 and the VAR_DECL for which this cleanup exists. */
4225 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
4226 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
4227 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
4229 /* IF_STMT accessors. These give access to the condition of the if
4230 statement, the then block of the if statement, and the else block
4231 of the if statement if it exists. */
4232 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
4233 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
4234 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
4235 #define IF_SCOPE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 3)
4237 /* WHILE_STMT accessors. These give access to the condition of the
4238 while statement and the body of the while statement, respectively. */
4239 #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
4240 #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
4242 /* DO_STMT accessors. These give access to the condition of the do
4243 statement and the body of the do statement, respectively. */
4244 #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
4245 #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
4247 /* FOR_STMT accessors. These give access to the init statement,
4248 condition, update expression, and body of the for statement,
4250 #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
4251 #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
4252 #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
4253 #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
4254 #define FOR_SCOPE(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 4)
4256 /* RANGE_FOR_STMT accessors. These give access to the declarator,
4257 expression, body, and scope of the statement, respectively. */
4258 #define RANGE_FOR_DECL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 0)
4259 #define RANGE_FOR_EXPR(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 1)
4260 #define RANGE_FOR_BODY(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 2)
4261 #define RANGE_FOR_SCOPE(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 3)
4262 #define RANGE_FOR_IVDEP(NODE) TREE_LANG_FLAG_6 (RANGE_FOR_STMT_CHECK (NODE))
4264 #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
4265 #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
4266 #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
4267 #define SWITCH_STMT_SCOPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 3)
4269 /* STMT_EXPR accessor. */
4270 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
4272 /* EXPR_STMT accessor. This gives the expression associated with an
4273 expression statement. */
4274 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
4276 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
4277 discard it if it isn't useful. */
4278 #define TARGET_EXPR_IMPLICIT_P(NODE) \
4279 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
4281 /* True if this TARGET_EXPR is the result of list-initialization of a
4283 #define TARGET_EXPR_LIST_INIT_P(NODE) \
4284 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
4286 /* True if this TARGET_EXPR expresses direct-initialization of an object
4287 to be named later. */
4288 #define TARGET_EXPR_DIRECT_INIT_P(NODE) \
4289 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
4291 /* True if EXPR expresses direct-initialization of a TYPE. */
4292 #define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
4293 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
4294 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
4296 /* True if this CONVERT_EXPR is for a conversion to virtual base in
4297 an NSDMI, and should be re-evaluated when used in a constructor. */
4298 #define CONVERT_EXPR_VBASE_PATH(NODE) \
4299 TREE_LANG_FLAG_0 (CONVERT_EXPR_CHECK (NODE))
4301 /* True if SIZEOF_EXPR argument is type. */
4302 #define SIZEOF_EXPR_TYPE_P(NODE) \
4303 TREE_LANG_FLAG_0 (SIZEOF_EXPR_CHECK (NODE))
4305 /* True if INTEGER_CST is a zero literal seen in function argument list. */
4306 #define LITERAL_ZERO_P(NODE) \
4307 (INTEGER_CST_CHECK (NODE)->base.nothrow_flag)
4309 /* An enumeration of the kind of tags that C++ accepts. */
4311 none_type = 0, /* Not a tag type. */
4312 record_type, /* "struct" types. */
4313 class_type, /* "class" types. */
4314 union_type, /* "union" types. */
4315 enum_type, /* "enum" types. */
4316 typename_type /* "typename" types. */
4319 /* The various kinds of lvalues we distinguish. */
4320 enum cp_lvalue_kind_flags {
4321 clk_none = 0, /* Things that are not an lvalue. */
4322 clk_ordinary = 1, /* An ordinary lvalue. */
4323 clk_rvalueref = 2,/* An xvalue (rvalue formed using an rvalue reference) */
4324 clk_class = 4, /* A prvalue of class-type. */
4325 clk_bitfield = 8, /* An lvalue for a bit-field. */
4326 clk_packed = 16 /* An lvalue for a packed field. */
4329 /* This type is used for parameters and variables which hold
4330 combinations of the flags in enum cp_lvalue_kind_flags. */
4331 typedef int cp_lvalue_kind;
4333 /* Various kinds of template specialization, instantiation, etc. */
4334 typedef enum tmpl_spec_kind {
4335 tsk_none, /* Not a template at all. */
4336 tsk_invalid_member_spec, /* An explicit member template
4337 specialization, but the enclosing
4338 classes have not all been explicitly
4340 tsk_invalid_expl_inst, /* An explicit instantiation containing
4341 template parameter lists. */
4342 tsk_excessive_parms, /* A template declaration with too many
4343 template parameter lists. */
4344 tsk_insufficient_parms, /* A template declaration with too few
4346 tsk_template, /* A template declaration. */
4347 tsk_expl_spec, /* An explicit specialization. */
4348 tsk_expl_inst /* An explicit instantiation. */
4351 /* The various kinds of access. BINFO_ACCESS depends on these being
4352 two bit quantities. The numerical values are important; they are
4353 used to initialize RTTI data structures, so changing them changes
4355 typedef enum access_kind {
4356 ak_none = 0, /* Inaccessible. */
4357 ak_public = 1, /* Accessible, as a `public' thing. */
4358 ak_protected = 2, /* Accessible, as a `protected' thing. */
4359 ak_private = 3 /* Accessible, as a `private' thing. */
4362 /* The various kinds of special functions. If you add to this list,
4363 you should update special_function_p as well. */
4364 typedef enum special_function_kind {
4365 sfk_none = 0, /* Not a special function. This enumeral
4366 must have value zero; see
4367 special_function_p. */
4368 sfk_constructor, /* A constructor. */
4369 sfk_copy_constructor, /* A copy constructor. */
4370 sfk_move_constructor, /* A move constructor. */
4371 sfk_copy_assignment, /* A copy assignment operator. */
4372 sfk_move_assignment, /* A move assignment operator. */
4373 sfk_destructor, /* A destructor. */
4374 sfk_complete_destructor, /* A destructor for complete objects. */
4375 sfk_base_destructor, /* A destructor for base subobjects. */
4376 sfk_deleting_destructor, /* A destructor for complete objects that
4377 deletes the object after it has been
4379 sfk_conversion, /* A conversion operator. */
4380 sfk_inheriting_constructor /* An inheriting constructor */
4381 } special_function_kind;
4383 /* The various kinds of linkage. From [basic.link],
4385 A name is said to have linkage when it might denote the same
4386 object, reference, function, type, template, namespace or value
4387 as a name introduced in another scope:
4389 -- When a name has external linkage, the entity it denotes can
4390 be referred to from scopes of other translation units or from
4391 other scopes of the same translation unit.
4393 -- When a name has internal linkage, the entity it denotes can
4394 be referred to by names from other scopes in the same
4397 -- When a name has no linkage, the entity it denotes cannot be
4398 referred to by names from other scopes. */
4400 typedef enum linkage_kind {
4401 lk_none, /* No linkage. */
4402 lk_internal, /* Internal linkage. */
4403 lk_external /* External linkage. */
4406 typedef enum duration_kind {
4413 /* Bitmask flags to control type substitution. */
4415 tf_none = 0, /* nothing special */
4416 tf_error = 1 << 0, /* give error messages */
4417 tf_warning = 1 << 1, /* give warnings too */
4418 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
4419 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
4420 (make_typename_type use) */
4421 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
4422 instantiate_type use) */
4423 tf_user = 1 << 5, /* found template must be a user template
4424 (lookup_template_class use) */
4425 tf_conv = 1 << 6, /* We are determining what kind of
4426 conversion might be permissible,
4427 not actually performing the
4429 tf_decltype = 1 << 7, /* We are the operand of decltype.
4430 Used to implement the special rules
4431 for calls in decltype (5.2.2/11). */
4432 tf_partial = 1 << 8, /* Doing initial explicit argument
4433 substitution in fn_type_unification. */
4434 /* Convenient substitution flags combinations. */
4435 tf_warning_or_error = tf_warning | tf_error
4438 /* This type is used for parameters and variables which hold
4439 combinations of the flags in enum tsubst_flags. */
4440 typedef int tsubst_flags_t;
4442 /* The kind of checking we can do looking in a class hierarchy. */
4443 enum base_access_flags {
4444 ba_any = 0, /* Do not check access, allow an ambiguous base,
4445 prefer a non-virtual base */
4446 ba_unique = 1 << 0, /* Must be a unique base. */
4447 ba_check_bit = 1 << 1, /* Check access. */
4448 ba_check = ba_unique | ba_check_bit,
4449 ba_ignore_scope = 1 << 2 /* Ignore access allowed by local scope. */
4452 /* This type is used for parameters and variables which hold
4453 combinations of the flags in enum base_access_flags. */
4454 typedef int base_access;
4456 /* The various kinds of access check during parsing. */
4457 typedef enum deferring_kind {
4458 dk_no_deferred = 0, /* Check access immediately */
4459 dk_deferred = 1, /* Deferred check */
4460 dk_no_check = 2 /* No access check */
4463 /* The kind of base we can find, looking in a class hierarchy.
4464 Values <0 indicate we failed. */
4465 typedef enum base_kind {
4466 bk_inaccessible = -3, /* The base is inaccessible */
4467 bk_ambig = -2, /* The base is ambiguous */
4468 bk_not_base = -1, /* It is not a base */
4469 bk_same_type = 0, /* It is the same type */
4470 bk_proper_base = 1, /* It is a proper base */
4471 bk_via_virtual = 2 /* It is a proper base, but via a virtual
4472 path. This might not be the canonical
4476 /* Node for "pointer to (virtual) function".
4477 This may be distinct from ptr_type_node so gdb can distinguish them. */
4478 #define vfunc_ptr_type_node vtable_entry_type
4481 /* For building calls to `delete'. */
4482 extern GTY(()) tree integer_two_node;
4484 /* The number of function bodies which we are currently processing.
4485 (Zero if we are at namespace scope, one inside the body of a
4486 function, two inside the body of a function in a local class, etc.) */
4487 extern int function_depth;
4489 /* Nonzero if we are inside eq_specializations, which affects comparison of
4490 PARM_DECLs in cp_tree_equal. */
4491 extern int comparing_specializations;
4495 /* Nonzero if we are parsing an unevaluated operand: an operand to
4496 sizeof, typeof, or alignof. This is a count since operands to
4497 sizeof can be nested. */
4499 extern int cp_unevaluated_operand;
4503 /* These values are used for the `STRICT' parameter to type_unification and
4504 fn_type_unification. Their meanings are described with the
4505 documentation for fn_type_unification. */
4507 typedef enum unification_kind_t {
4511 } unification_kind_t;
4515 extern int current_class_depth;
4517 /* An array of all local classes present in this translation unit, in
4518 declaration order. */
4519 extern GTY(()) vec<tree, va_gc> *local_classes;
4521 /* Here's where we control how name mangling takes place. */
4523 /* Cannot use '$' up front, because this confuses gdb
4524 (names beginning with '$' are gdb-local identifiers).
4526 Note that all forms in which the '$' is significant are long enough
4527 for direct indexing (meaning that if we know there is a '$'
4528 at a particular location, we can index into the string at
4529 any other location that provides distinguishing characters). */
4531 /* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler
4532 doesn't allow '.' in symbol names. */
4533 #ifndef NO_DOT_IN_LABEL
4537 #define AUTO_TEMP_NAME "_.tmp_"
4538 #define VFIELD_BASE ".vf"
4539 #define VFIELD_NAME "_vptr."
4540 #define VFIELD_NAME_FORMAT "_vptr.%s"
4542 #else /* NO_DOT_IN_LABEL */
4544 #ifndef NO_DOLLAR_IN_LABEL
4548 #define AUTO_TEMP_NAME "_$tmp_"
4549 #define VFIELD_BASE "$vf"
4550 #define VFIELD_NAME "_vptr$"
4551 #define VFIELD_NAME_FORMAT "_vptr$%s"
4553 #else /* NO_DOLLAR_IN_LABEL */
4555 #define AUTO_TEMP_NAME "__tmp_"
4556 #define TEMP_NAME_P(ID_NODE) \
4557 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
4558 sizeof (AUTO_TEMP_NAME) - 1))
4559 #define VTABLE_NAME "__vt_"
4560 #define VTABLE_NAME_P(ID_NODE) \
4561 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
4562 sizeof (VTABLE_NAME) - 1))
4563 #define VFIELD_BASE "__vfb"
4564 #define VFIELD_NAME "__vptr_"
4565 #define VFIELD_NAME_P(ID_NODE) \
4566 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
4567 sizeof (VFIELD_NAME) - 1))
4568 #define VFIELD_NAME_FORMAT "__vptr_%s"
4570 #endif /* NO_DOLLAR_IN_LABEL */
4571 #endif /* NO_DOT_IN_LABEL */
4573 #define THIS_NAME "this"
4575 #define IN_CHARGE_NAME "__in_chrg"
4577 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
4578 #define VTABLE_DELTA_NAME "__delta"
4579 #define VTABLE_PFN_NAME "__pfn"
4581 #define LAMBDANAME_PREFIX "__lambda"
4582 #define LAMBDANAME_FORMAT LAMBDANAME_PREFIX "%d"
4584 #define UDLIT_OP_ANSI_PREFIX "operator\"\""
4585 #define UDLIT_OP_ANSI_FORMAT UDLIT_OP_ANSI_PREFIX "%s"
4586 #define UDLIT_OP_MANGLED_PREFIX "li"
4587 #define UDLIT_OP_MANGLED_FORMAT UDLIT_OP_MANGLED_PREFIX "%s"
4588 #define UDLIT_OPER_P(ID_NODE) \
4589 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
4590 UDLIT_OP_ANSI_PREFIX, \
4591 sizeof (UDLIT_OP_ANSI_PREFIX) - 1))
4592 #define UDLIT_OP_SUFFIX(ID_NODE) \
4593 (IDENTIFIER_POINTER (ID_NODE) + sizeof (UDLIT_OP_ANSI_PREFIX) - 1)
4595 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
4597 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
4598 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
4599 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
4601 #define TEMP_NAME_P(ID_NODE) \
4602 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
4603 #define VFIELD_NAME_P(ID_NODE) \
4604 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
4606 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
4609 /* Nonzero if we're done parsing and into end-of-file activities. */
4613 /* True if note_mangling_alias should enqueue mangling aliases for
4614 later generation, rather than emitting them right away. */
4616 extern bool defer_mangling_aliases;
4618 /* A list of namespace-scope objects which have constructors or
4619 destructors which reside in the global scope. The decl is stored
4620 in the TREE_VALUE slot and the initializer is stored in the
4621 TREE_PURPOSE slot. */
4622 extern GTY(()) tree static_aggregates;
4623 /* Likewise, for thread local storage. */
4624 extern GTY(()) tree tls_aggregates;
4626 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, TYPENAME_FLAG };
4628 /* These are uses as bits in flags passed to various functions to
4629 control their behavior. Despite the LOOKUP_ prefix, many of these
4630 do not control name lookup. ??? Functions using these flags should
4631 probably be modified to accept explicit boolean flags for the
4632 behaviors relevant to them. */
4633 /* Check for access violations. */
4634 #define LOOKUP_PROTECT (1 << 0)
4635 #define LOOKUP_NORMAL (LOOKUP_PROTECT)
4636 /* Even if the function found by lookup is a virtual function, it
4637 should be called directly. */
4638 #define LOOKUP_NONVIRTUAL (1 << 1)
4639 /* Non-converting (i.e., "explicit") constructors are not tried. This flag
4640 indicates that we are not performing direct-initialization. */
4641 #define LOOKUP_ONLYCONVERTING (1 << 2)
4642 #define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING)
4643 /* If a temporary is created, it should be created so that it lives
4644 as long as the current variable bindings; otherwise it only lives
4645 until the end of the complete-expression. It also forces
4646 direct-initialization in cases where other parts of the compiler
4647 have already generated a temporary, such as reference
4648 initialization and the catch parameter. */
4649 #define DIRECT_BIND (1 << 3)
4650 /* We're performing a user-defined conversion, so more user-defined
4651 conversions are not permitted (only built-in conversions). */
4652 #define LOOKUP_NO_CONVERSION (1 << 4)
4653 /* The user has explicitly called a destructor. (Therefore, we do
4654 not need to check that the object is non-NULL before calling the
4656 #define LOOKUP_DESTRUCTOR (1 << 5)
4657 /* Do not permit references to bind to temporaries. */
4658 #define LOOKUP_NO_TEMP_BIND (1 << 6)
4659 /* Do not accept objects, and possibly namespaces. */
4660 #define LOOKUP_PREFER_TYPES (1 << 7)
4661 /* Do not accept objects, and possibly types. */
4662 #define LOOKUP_PREFER_NAMESPACES (1 << 8)
4663 /* Accept types or namespaces. */
4664 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
4665 /* Return friend declarations and un-declared builtin functions.
4666 (Normally, these entities are registered in the symbol table, but
4667 not found by lookup.) */
4668 #define LOOKUP_HIDDEN (LOOKUP_PREFER_NAMESPACES << 1)
4669 /* Prefer that the lvalue be treated as an rvalue. */
4670 #define LOOKUP_PREFER_RVALUE (LOOKUP_HIDDEN << 1)
4671 /* We're inside an init-list, so narrowing conversions are ill-formed. */
4672 #define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
4673 /* We're looking up a constructor for list-initialization. */
4674 #define LOOKUP_LIST_INIT_CTOR (LOOKUP_NO_NARROWING << 1)
4675 /* This is the first parameter of a copy constructor. */
4676 #define LOOKUP_COPY_PARM (LOOKUP_LIST_INIT_CTOR << 1)
4677 /* We only want to consider list constructors. */
4678 #define LOOKUP_LIST_ONLY (LOOKUP_COPY_PARM << 1)
4679 /* Return after determining which function to call and checking access.
4680 Used by sythesized_method_walk to determine which functions will
4681 be called to initialize subobjects, in order to determine exception
4682 specification and possible implicit delete.
4683 This is kind of a hack, but exiting early avoids problems with trying
4684 to perform argument conversions when the class isn't complete yet. */
4685 #define LOOKUP_SPECULATIVE (LOOKUP_LIST_ONLY << 1)
4686 /* Used by calls from defaulted functions to limit the overload set to avoid
4687 cycles trying to declare them (core issue 1092). */
4688 #define LOOKUP_DEFAULTED (LOOKUP_SPECULATIVE << 1)
4689 /* Used in calls to store_init_value to suppress its usual call to
4691 #define LOOKUP_ALREADY_DIGESTED (LOOKUP_DEFAULTED << 1)
4692 /* An instantiation with explicit template arguments. */
4693 #define LOOKUP_EXPLICIT_TMPL_ARGS (LOOKUP_ALREADY_DIGESTED << 1)
4694 /* Like LOOKUP_NO_TEMP_BIND, but also prevent binding to xvalues. */
4695 #define LOOKUP_NO_RVAL_BIND (LOOKUP_EXPLICIT_TMPL_ARGS << 1)
4696 /* Used by case_conversion to disregard non-integral conversions. */
4697 #define LOOKUP_NO_NON_INTEGRAL (LOOKUP_NO_RVAL_BIND << 1)
4698 /* Used for delegating constructors in order to diagnose self-delegation. */
4699 #define LOOKUP_DELEGATING_CONS (LOOKUP_NO_NON_INTEGRAL << 1)
4701 #define LOOKUP_NAMESPACES_ONLY(F) \
4702 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
4703 #define LOOKUP_TYPES_ONLY(F) \
4704 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
4705 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
4708 /* These flags are used by the conversion code.
4709 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
4710 CONV_STATIC : Perform the explicit conversions for static_cast.
4711 CONV_CONST : Perform the explicit conversions for const_cast.
4712 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
4713 CONV_PRIVATE : Perform upcasts to private bases.
4714 CONV_FORCE_TEMP : Require a new temporary when converting to the same
4717 #define CONV_IMPLICIT 1
4718 #define CONV_STATIC 2
4719 #define CONV_CONST 4
4720 #define CONV_REINTERPRET 8
4721 #define CONV_PRIVATE 16
4722 /* #define CONV_NONCONVERTING 32 */
4723 #define CONV_FORCE_TEMP 64
4724 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
4726 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
4727 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
4729 /* Used by build_expr_type_conversion to indicate which types are
4730 acceptable as arguments to the expression under consideration. */
4732 #define WANT_INT 1 /* integer types, including bool */
4733 #define WANT_FLOAT 2 /* floating point types */
4734 #define WANT_ENUM 4 /* enumerated types */
4735 #define WANT_POINTER 8 /* pointer types */
4736 #define WANT_NULL 16 /* null pointer constant */
4737 #define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */
4738 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX)
4740 /* Used with comptypes, and related functions, to guide type
4743 #define COMPARE_STRICT 0 /* Just check if the types are the
4745 #define COMPARE_BASE 1 /* Check to see if the second type is
4746 derived from the first. */
4747 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
4749 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
4750 another declaration of an existing
4752 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
4753 structural. The actual comparison
4754 will be identical to
4757 /* Used with push_overloaded_decl. */
4758 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
4759 regardless of the current scope. */
4760 #define PUSH_LOCAL 1 /* Push the DECL into the current
4762 #define PUSH_USING 2 /* We are pushing this DECL as the
4763 result of a using declaration. */
4765 /* Used with start function. */
4766 #define SF_DEFAULT 0 /* No flags. */
4767 #define SF_PRE_PARSED 1 /* The function declaration has
4768 already been parsed. */
4769 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
4770 in the class body. */
4772 /* Used with start_decl's initialized parameter. */
4773 #define SD_UNINITIALIZED 0
4774 #define SD_INITIALIZED 1
4775 #define SD_DEFAULTED 2
4776 #define SD_DELETED 3
4778 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
4779 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
4780 class derived from the type pointed to (referred to) by TYPE1. */
4781 #define same_or_base_type_p(TYPE1, TYPE2) \
4782 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
4784 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
4785 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
4786 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
4787 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
4788 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
4789 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
4790 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
4791 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
4792 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
4793 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
4795 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
4796 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
4797 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
4798 (TYPE_VALUES_RAW (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, \
4799 TEMPLATE_TEMPLATE_PARM, \
4800 BOUND_TEMPLATE_TEMPLATE_PARM)))
4801 #define TEMPLATE_TYPE_IDX(NODE) \
4802 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4803 #define TEMPLATE_TYPE_LEVEL(NODE) \
4804 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4805 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
4806 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4807 #define TEMPLATE_TYPE_DECL(NODE) \
4808 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4809 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
4810 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4812 /* True iff this TEMPLATE_TYPE_PARM represents decltype(auto). */
4813 #define AUTO_IS_DECLTYPE(NODE) \
4814 (TYPE_LANG_FLAG_5 (TEMPLATE_TYPE_PARM_CHECK (NODE)))
4816 /* These constants can used as bit flags in the process of tree formatting.
4818 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
4819 TFF_SCOPE: include the class and namespace scope of the name.
4820 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
4821 TFF_DECL_SPECIFIERS: print decl-specifiers.
4822 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
4823 a class-key (resp. `enum').
4824 TFF_RETURN_TYPE: include function return type.
4825 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
4826 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
4827 TFF_TEMPLATE_HEADER: show the template<...> header in a
4828 template-declaration.
4829 TFF_TEMPLATE_NAME: show only template-name.
4830 TFF_EXPR_IN_PARENS: parenthesize expressions.
4831 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
4832 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
4834 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments
4835 identical to their defaults.
4836 TFF_NO_TEMPLATE_BINDINGS: do not print information about the template
4837 arguments for a function template specialization.
4838 TFF_POINTER: we are printing a pointer type. */
4840 #define TFF_PLAIN_IDENTIFIER (0)
4841 #define TFF_SCOPE (1)
4842 #define TFF_CHASE_TYPEDEF (1 << 1)
4843 #define TFF_DECL_SPECIFIERS (1 << 2)
4844 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
4845 #define TFF_RETURN_TYPE (1 << 4)
4846 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
4847 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
4848 #define TFF_TEMPLATE_HEADER (1 << 7)
4849 #define TFF_TEMPLATE_NAME (1 << 8)
4850 #define TFF_EXPR_IN_PARENS (1 << 9)
4851 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
4852 #define TFF_UNQUALIFIED_NAME (1 << 11)
4853 #define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12)
4854 #define TFF_NO_TEMPLATE_BINDINGS (1 << 13)
4855 #define TFF_POINTER (1 << 14)
4857 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
4859 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
4860 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
4861 ? TYPE_TI_TEMPLATE (NODE) \
4866 extern void init_reswords (void);
4868 typedef struct GTY(()) operator_name_info_t {
4869 /* The IDENTIFIER_NODE for the operator. */
4871 /* The name of the operator. */
4873 /* The mangled name of the operator. */
4874 const char *mangled_name;
4875 /* The arity of the operator. */
4877 } operator_name_info_t;
4879 /* A mapping from tree codes to operator name information. */
4880 extern GTY(()) operator_name_info_t operator_name_info
4881 [(int) MAX_TREE_CODES];
4882 /* Similar, but for assignment operators. */
4883 extern GTY(()) operator_name_info_t assignment_operator_name_info
4884 [(int) MAX_TREE_CODES];
4886 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
4889 typedef int cp_cv_quals;
4891 /* Non-static member functions have an optional virt-specifier-seq.
4892 There is a VIRT_SPEC value for each virt-specifier.
4893 They can be combined by bitwise-or to form the complete set of
4894 virt-specifiers for a member function. */
4897 VIRT_SPEC_UNSPECIFIED = 0x0,
4898 VIRT_SPEC_FINAL = 0x1,
4899 VIRT_SPEC_OVERRIDE = 0x2
4902 /* A type-qualifier, or bitmask therefore, using the VIRT_SPEC
4905 typedef int cp_virt_specifiers;
4907 /* Wherever there is a function-cv-qual, there could also be a ref-qualifier:
4910 The return type, the parameter-type-list, the ref-qualifier, and
4911 the cv-qualifier-seq, but not the default arguments or the exception
4912 specification, are part of the function type.
4914 REF_QUAL_NONE Ordinary member function with no ref-qualifier
4915 REF_QUAL_LVALUE Member function with the &-ref-qualifier
4916 REF_QUAL_RVALUE Member function with the &&-ref-qualifier */
4918 enum cp_ref_qualifier {
4920 REF_QUAL_LVALUE = 1,
4924 /* A storage class. */
4926 typedef enum cp_storage_class {
4927 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
4928 sets the storage_class field to sc_none. */
4937 /* An individual decl-specifier. This is used to index the array of
4938 locations for the declspecs in struct cp_decl_specifier_seq
4941 typedef enum cp_decl_spec {
4943 ds_signed = ds_first,
4960 ds_redefined_builtin_type_spec,
4965 ds_last /* This enumerator must always be the last one. */
4968 /* A decl-specifier-seq. */
4970 typedef struct cp_decl_specifier_seq {
4971 /* An array of locations for the declaration sepecifiers, indexed by
4972 enum cp_decl_spec_word. */
4973 source_location locations[ds_last];
4974 /* The primary type, if any, given by the decl-specifier-seq.
4975 Modifiers, like "short", "const", and "unsigned" are not
4976 reflected here. This field will be a TYPE, unless a typedef-name
4977 was used, in which case it will be a TYPE_DECL. */
4979 /* The attributes, if any, provided with the specifier sequence. */
4981 /* The c++11 attributes that follows the type specifier. */
4982 tree std_attributes;
4983 /* If non-NULL, a built-in type that the user attempted to redefine
4984 to some other type. */
4985 tree redefined_builtin_type;
4986 /* The storage class specified -- or sc_none if no storage class was
4987 explicitly specified. */
4988 cp_storage_class storage_class;
4989 /* For the __intN declspec, this stores the index into the int_n_* arrays. */
4991 /* True iff TYPE_SPEC defines a class or enum. */
4992 BOOL_BITFIELD type_definition_p : 1;
4993 /* True iff multiple types were (erroneously) specified for this
4994 decl-specifier-seq. */
4995 BOOL_BITFIELD multiple_types_p : 1;
4996 /* True iff multiple storage classes were (erroneously) specified
4997 for this decl-specifier-seq or a combination of a storage class
4998 with a typedef specifier. */
4999 BOOL_BITFIELD conflicting_specifiers_p : 1;
5000 /* True iff at least one decl-specifier was found. */
5001 BOOL_BITFIELD any_specifiers_p : 1;
5002 /* True iff at least one type-specifier was found. */
5003 BOOL_BITFIELD any_type_specifiers_p : 1;
5004 /* True iff "int" was explicitly provided. */
5005 BOOL_BITFIELD explicit_int_p : 1;
5006 /* True iff "__intN" was explicitly provided. */
5007 BOOL_BITFIELD explicit_intN_p : 1;
5008 /* True iff "char" was explicitly provided. */
5009 BOOL_BITFIELD explicit_char_p : 1;
5010 /* True iff ds_thread is set for __thread, not thread_local. */
5011 BOOL_BITFIELD gnu_thread_keyword_p : 1;
5012 /* True iff the type is a decltype. */
5013 BOOL_BITFIELD decltype_p : 1;
5014 } cp_decl_specifier_seq;
5016 /* The various kinds of declarators. */
5018 typedef enum cp_declarator_kind {
5026 } cp_declarator_kind;
5030 typedef struct cp_declarator cp_declarator;
5032 typedef struct cp_parameter_declarator cp_parameter_declarator;
5034 /* A parameter, before it has been semantically analyzed. */
5035 struct cp_parameter_declarator {
5036 /* The next parameter, or NULL_TREE if none. */
5037 cp_parameter_declarator *next;
5038 /* The decl-specifiers-seq for the parameter. */
5039 cp_decl_specifier_seq decl_specifiers;
5040 /* The declarator for the parameter. */
5041 cp_declarator *declarator;
5042 /* The default-argument expression, or NULL_TREE, if none. */
5043 tree default_argument;
5044 /* True iff this is the first parameter in the list and the
5045 parameter sequence ends with an ellipsis. */
5050 struct cp_declarator {
5051 /* The kind of declarator. */
5052 ENUM_BITFIELD (cp_declarator_kind) kind : 4;
5053 /* Whether we parsed an ellipsis (`...') just before the declarator,
5054 to indicate this is a parameter pack. */
5055 BOOL_BITFIELD parameter_pack_p : 1;
5056 location_t id_loc; /* Currently only set for cdk_id and cdk_function. */
5057 /* GNU Attributes that apply to this declarator. If the declarator
5058 is a pointer or a reference, these attribute apply to the type
5061 /* Standard C++11 attributes that apply to this declarator. If the
5062 declarator is a pointer or a reference, these attributes apply
5063 to the pointer, rather than to the type pointed to. */
5064 tree std_attributes;
5065 /* For all but cdk_id and cdk_error, the contained declarator. For
5066 cdk_id and cdk_error, guaranteed to be NULL. */
5067 cp_declarator *declarator;
5069 /* For identifiers. */
5071 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
5072 *_TYPE) for this identifier. */
5073 tree qualifying_scope;
5074 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
5075 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
5076 tree unqualified_name;
5077 /* If this is the name of a function, what kind of special
5078 function (if any). */
5079 special_function_kind sfk;
5081 /* For functions. */
5083 /* The parameters to the function as a TREE_LIST of decl/default. */
5085 /* The cv-qualifiers for the function. */
5086 cp_cv_quals qualifiers;
5087 /* The virt-specifiers for the function. */
5088 cp_virt_specifiers virt_specifiers;
5089 /* The ref-qualifier for the function. */
5090 cp_ref_qualifier ref_qualifier;
5091 /* The exception-specification for the function. */
5092 tree exception_specification;
5093 /* The late-specified return type, if any. */
5094 tree late_return_type;
5098 /* The bounds to the array. */
5101 /* For cdk_pointer and cdk_ptrmem. */
5103 /* The cv-qualifiers for the pointer. */
5104 cp_cv_quals qualifiers;
5105 /* For cdk_ptrmem, the class type containing the member. */
5108 /* For cdk_reference */
5110 /* The cv-qualifiers for the reference. These qualifiers are
5111 only used to diagnose ill-formed code. */
5112 cp_cv_quals qualifiers;
5113 /* Whether this is an rvalue reference */
5119 /* A level of template instantiation. */
5120 struct GTY((chain_next ("%h.next"))) tinst_level {
5121 /* The immediately deeper level in the chain. */
5122 struct tinst_level *next;
5124 /* The original node. Can be either a DECL (for a function or static
5125 data member) or a TYPE (for a class), depending on what we were
5126 asked to instantiate. */
5129 /* The location where the template is instantiated. */
5132 /* errorcount+sorrycount when we pushed this level. */
5135 /* True if the location is in a system header. */
5136 bool in_system_header_p;
5139 bool decl_spec_seq_has_spec_p (const cp_decl_specifier_seq *, cp_decl_spec);
5141 /* Return the type of the `this' parameter of FNTYPE. */
5144 type_of_this_parm (const_tree fntype)
5146 function_args_iterator iter;
5147 gcc_assert (TREE_CODE (fntype) == METHOD_TYPE);
5148 function_args_iter_init (&iter, fntype);
5149 return function_args_iter_cond (&iter);
5152 /* Return the class of the `this' parameter of FNTYPE. */
5155 class_of_this_parm (const_tree fntype)
5157 return TREE_TYPE (type_of_this_parm (fntype));
5160 /* True if T designates a variable template declaration. */
5162 variable_template_p (tree t)
5164 if (TREE_CODE (t) != TEMPLATE_DECL)
5166 if (!PRIMARY_TEMPLATE_P (t))
5168 if (tree r = DECL_TEMPLATE_RESULT (t))
5173 /* A parameter list indicating for a function with no parameters,
5174 e.g "int f(void)". */
5175 extern cp_parameter_declarator *no_parameters;
5177 /* True if we saw "#pragma GCC java_exceptions". */
5178 extern bool pragma_java_exceptions;
5181 extern bool check_dtor_name (tree, tree);
5182 bool magic_varargs_p (tree);
5184 extern tree build_conditional_expr (location_t, tree, tree, tree,
5186 extern tree build_addr_func (tree, tsubst_flags_t);
5187 extern void set_flags_from_callee (tree);
5188 extern tree build_call_a (tree, int, tree*);
5189 extern tree build_call_n (tree, int, ...);
5190 extern bool null_ptr_cst_p (tree);
5191 extern bool null_member_pointer_value_p (tree);
5192 extern bool sufficient_parms_p (const_tree);
5193 extern tree type_decays_to (tree);
5194 extern tree build_user_type_conversion (tree, tree, int,
5196 extern tree build_new_function_call (tree, vec<tree, va_gc> **, bool,
5198 extern tree build_operator_new_call (tree, vec<tree, va_gc> **, tree *,
5199 tree *, tree, tree *,
5201 extern tree build_new_method_call (tree, tree, vec<tree, va_gc> **,
5204 extern tree build_special_member_call (tree, tree, vec<tree, va_gc> **,
5205 tree, int, tsubst_flags_t);
5206 extern tree build_new_op (location_t, enum tree_code,
5207 int, tree, tree, tree, tree *,
5209 extern tree build_op_call (tree, vec<tree, va_gc> **,
5211 extern bool non_placement_deallocation_fn_p (tree);
5212 extern tree build_op_delete_call (enum tree_code, tree, tree,
5215 extern bool can_convert (tree, tree, tsubst_flags_t);
5216 extern bool can_convert_standard (tree, tree, tsubst_flags_t);
5217 extern bool can_convert_arg (tree, tree, tree, int,
5219 extern bool can_convert_arg_bad (tree, tree, tree, int,
5221 extern bool enforce_access (tree, tree, tree,
5223 extern void push_defarg_context (tree);
5224 extern void pop_defarg_context (void);
5225 extern tree convert_default_arg (tree, tree, tree, int,
5227 extern tree convert_arg_to_ellipsis (tree, tsubst_flags_t);
5228 extern tree build_x_va_arg (source_location, tree, tree);
5229 extern tree cxx_type_promotes_to (tree);
5230 extern tree type_passed_as (tree);
5231 extern tree convert_for_arg_passing (tree, tree, tsubst_flags_t);
5232 extern bool is_properly_derived_from (tree, tree);
5233 extern tree initialize_reference (tree, tree, int,
5235 extern tree extend_ref_init_temps (tree, tree, vec<tree, va_gc>**);
5236 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
5237 extern bool type_has_extended_temps (tree);
5238 extern tree strip_top_quals (tree);
5239 extern bool reference_related_p (tree, tree);
5240 extern int remaining_arguments (tree);
5241 extern tree perform_implicit_conversion (tree, tree, tsubst_flags_t);
5242 extern tree perform_implicit_conversion_flags (tree, tree, tsubst_flags_t, int);
5243 extern tree build_integral_nontype_arg_conv (tree, tree, tsubst_flags_t);
5244 extern tree perform_direct_initialization_if_possible (tree, tree, bool,
5246 extern tree in_charge_arg_for_name (tree);
5247 extern tree build_cxx_call (tree, int, tree *,
5249 extern bool is_std_init_list (tree);
5250 extern bool is_list_ctor (tree);
5251 #ifdef ENABLE_CHECKING
5252 extern void validate_conversion_obstack (void);
5253 #endif /* ENABLE_CHECKING */
5254 extern void mark_versions_used (tree);
5255 extern tree get_function_version_dispatcher (tree);
5258 extern tree build_vfield_ref (tree, tree);
5259 extern tree build_base_path (enum tree_code, tree,
5260 tree, int, tsubst_flags_t);
5261 extern tree convert_to_base (tree, tree, bool, bool,
5263 extern tree convert_to_base_statically (tree, tree);
5264 extern tree build_vtbl_ref (tree, tree);
5265 extern tree build_vfn_ref (tree, tree);
5266 extern tree get_vtable_decl (tree, int);
5267 extern void resort_type_method_vec (void *, void *,
5268 gt_pointer_operator, void *);
5269 extern bool add_method (tree, tree, tree);
5270 extern bool currently_open_class (tree);
5271 extern tree currently_open_derived_class (tree);
5272 extern tree outermost_open_class (void);
5273 extern tree current_nonlambda_class_type (void);
5274 extern tree finish_struct (tree, tree);
5275 extern void finish_struct_1 (tree);
5276 extern int resolves_to_fixed_type_p (tree, int *);
5277 extern void init_class_processing (void);
5278 extern int is_empty_class (tree);
5279 extern bool is_really_empty_class (tree);
5280 extern void pushclass (tree);
5281 extern void popclass (void);
5282 extern void push_nested_class (tree);
5283 extern void pop_nested_class (void);
5284 extern int current_lang_depth (void);
5285 extern void push_lang_context (tree);
5286 extern void pop_lang_context (void);
5287 extern tree instantiate_type (tree, tree, tsubst_flags_t);
5288 extern void print_class_statistics (void);
5289 extern void build_self_reference (void);
5290 extern int same_signature_p (const_tree, const_tree);
5291 extern void maybe_add_class_template_decl_list (tree, tree, int);
5292 extern void unreverse_member_declarations (tree);
5293 extern void invalidate_class_lookup_cache (void);
5294 extern void maybe_note_name_used_in_class (tree, tree);
5295 extern void note_name_declared_in_class (tree, tree);
5296 extern tree get_vtbl_decl_for_binfo (tree);
5297 extern void debug_class (tree);
5298 extern void debug_thunks (tree);
5299 extern void set_linkage_according_to_type (tree, tree);
5300 extern void determine_key_method (tree);
5301 extern void check_for_override (tree, tree);
5302 extern void push_class_stack (void);
5303 extern void pop_class_stack (void);
5304 extern bool type_has_user_nondefault_constructor (tree);
5305 extern tree in_class_defaulted_default_constructor (tree);
5306 extern bool user_provided_p (tree);
5307 extern bool type_has_user_provided_constructor (tree);
5308 extern bool type_has_non_user_provided_default_constructor (tree);
5309 extern bool vbase_has_user_provided_move_assign (tree);
5310 extern tree default_init_uninitialized_part (tree);
5311 extern bool trivial_default_constructor_is_constexpr (tree);
5312 extern bool type_has_constexpr_default_constructor (tree);
5313 extern bool type_has_virtual_destructor (tree);
5314 extern bool type_has_move_constructor (tree);
5315 extern bool type_has_move_assign (tree);
5316 extern bool type_has_user_declared_move_constructor (tree);
5317 extern bool type_has_user_declared_move_assign(tree);
5318 extern bool type_build_ctor_call (tree);
5319 extern bool type_build_dtor_call (tree);
5320 extern void explain_non_literal_class (tree);
5321 extern void inherit_targ_abi_tags (tree);
5322 extern void defaulted_late_check (tree);
5323 extern bool defaultable_fn_check (tree);
5324 extern void check_abi_tags (tree);
5325 extern void fixup_type_variants (tree);
5326 extern void fixup_attribute_variants (tree);
5327 extern tree* decl_cloned_function_p (const_tree, bool);
5328 extern void clone_function_decl (tree, int);
5329 extern void adjust_clone_args (tree);
5330 extern void deduce_noexcept_on_destructor (tree);
5331 extern void insert_late_enum_def_into_classtype_sorted_fields (tree, tree);
5332 extern bool uniquely_derived_from_p (tree, tree);
5333 extern bool publicly_uniquely_derived_p (tree, tree);
5334 extern tree common_enclosing_class (tree, tree);
5337 extern tree convert_to_reference (tree, tree, int, int, tree,
5339 extern tree convert_from_reference (tree);
5340 extern tree force_rvalue (tree, tsubst_flags_t);
5341 extern tree ocp_convert (tree, tree, int, int,
5343 extern tree cp_convert (tree, tree, tsubst_flags_t);
5344 extern tree cp_convert_and_check (tree, tree, tsubst_flags_t);
5345 extern tree cp_fold_convert (tree, tree);
5346 extern tree convert_to_void (tree, impl_conv_void,
5348 extern tree convert_force (tree, tree, int,
5350 extern tree build_expr_type_conversion (int, tree, bool);
5351 extern tree type_promotes_to (tree);
5352 extern tree perform_qualification_conversions (tree, tree);
5354 /* in name-lookup.c */
5355 extern tree pushdecl (tree);
5356 extern tree pushdecl_maybe_friend (tree, bool);
5357 extern void maybe_push_cleanup_level (tree);
5358 extern tree pushtag (tree, tree, tag_scope);
5359 extern tree make_anon_name (void);
5360 extern tree pushdecl_top_level_maybe_friend (tree, bool);
5361 extern tree pushdecl_top_level_and_finish (tree, tree);
5362 extern tree check_for_out_of_scope_variable (tree);
5363 extern void dump (cp_binding_level &ref);
5364 extern void dump (cp_binding_level *ptr);
5365 extern void print_other_binding_stack (cp_binding_level *);
5366 extern tree maybe_push_decl (tree);
5367 extern tree current_decl_namespace (void);
5370 extern tree poplevel (int, int, int);
5371 extern void cxx_init_decl_processing (void);
5372 enum cp_tree_node_structure_enum cp_tree_node_structure
5373 (union lang_tree_node *);
5374 extern void finish_scope (void);
5375 extern void push_switch (tree);
5376 extern void pop_switch (void);
5377 extern tree make_lambda_name (void);
5378 extern int decls_match (tree, tree);
5379 extern tree duplicate_decls (tree, tree, bool);
5380 extern tree declare_local_label (tree);
5381 extern tree define_label (location_t, tree);
5382 extern void check_goto (tree);
5383 extern bool check_omp_return (void);
5384 extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t);
5385 extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t);
5386 extern tree build_library_fn_ptr (const char *, tree, int);
5387 extern tree build_cp_library_fn_ptr (const char *, tree, int);
5388 extern tree push_library_fn (tree, tree, tree, int);
5389 extern tree push_void_library_fn (tree, tree, int);
5390 extern tree push_throw_library_fn (tree, tree);
5391 extern void warn_misplaced_attr_for_class_type (source_location location,
5393 extern tree check_tag_decl (cp_decl_specifier_seq *, bool);
5394 extern tree shadow_tag (cp_decl_specifier_seq *);
5395 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *, bool);
5396 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree, tree *);
5397 extern void start_decl_1 (tree, bool);
5398 extern bool check_array_initializer (tree, tree, tree);
5399 extern void cp_finish_decl (tree, tree, bool, tree, int);
5400 extern int cp_complete_array_type (tree *, tree, bool);
5401 extern int cp_complete_array_type_or_error (tree *, tree, bool, tsubst_flags_t);
5402 extern tree build_ptrmemfunc_type (tree);
5403 extern tree build_ptrmem_type (tree, tree);
5404 /* the grokdeclarator prototype is in decl.h */
5405 extern tree build_this_parm (tree, cp_cv_quals);
5406 extern int copy_fn_p (const_tree);
5407 extern bool move_fn_p (const_tree);
5408 extern bool move_signature_fn_p (const_tree);
5409 extern tree get_scope_of_declarator (const cp_declarator *);
5410 extern void grok_special_member_properties (tree);
5411 extern int grok_ctor_properties (const_tree, const_tree);
5412 extern bool grok_op_properties (tree, bool);
5413 extern tree xref_tag (enum tag_types, tree, tag_scope, bool);
5414 extern tree xref_tag_from_type (tree, tree, tag_scope);
5415 extern bool xref_basetypes (tree, tree);
5416 extern tree start_enum (tree, tree, tree, bool, bool *);
5417 extern void finish_enum_value_list (tree);
5418 extern void finish_enum (tree);
5419 extern void build_enumerator (tree, tree, tree, location_t);
5420 extern tree lookup_enumerator (tree, tree);
5421 extern bool start_preparsed_function (tree, tree, int);
5422 extern bool start_function (cp_decl_specifier_seq *,
5423 const cp_declarator *, tree);
5424 extern tree begin_function_body (void);
5425 extern void finish_function_body (tree);
5426 extern tree outer_curly_brace_block (tree);
5427 extern tree finish_function (int);
5428 extern tree grokmethod (cp_decl_specifier_seq *, const cp_declarator *, tree);
5429 extern void maybe_register_incomplete_var (tree);
5430 extern void maybe_commonize_var (tree);
5431 extern void complete_vars (tree);
5432 extern tree static_fn_type (tree);
5433 extern void revert_static_member_fn (tree);
5434 extern void fixup_anonymous_aggr (tree);
5435 extern tree compute_array_index_type (tree, tree, tsubst_flags_t);
5436 extern tree check_default_argument (tree, tree, tsubst_flags_t);
5437 typedef int (*walk_namespaces_fn) (tree, void *);
5438 extern int walk_namespaces (walk_namespaces_fn,
5440 extern int wrapup_globals_for_namespace (tree, void *);
5441 extern tree create_implicit_typedef (tree, tree);
5442 extern int local_variable_p (const_tree);
5443 extern tree register_dtor_fn (tree);
5444 extern tmpl_spec_kind current_tmpl_spec_kind (int);
5445 extern tree cp_fname_init (const char *, tree *);
5446 extern tree cxx_builtin_function (tree decl);
5447 extern tree cxx_builtin_function_ext_scope (tree decl);
5448 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
5449 extern void warn_extern_redeclared_static (tree, tree);
5450 extern tree cxx_comdat_group (tree);
5451 extern bool cp_missing_noreturn_ok_p (tree);
5452 extern void initialize_artificial_var (tree, vec<constructor_elt, va_gc> *);
5453 extern tree check_var_type (tree, tree);
5454 extern tree reshape_init (tree, tree, tsubst_flags_t);
5455 extern tree next_initializable_field (tree);
5456 extern tree fndecl_declared_return_type (tree);
5457 extern bool undeduced_auto_decl (tree);
5458 extern void require_deduced_type (tree);
5460 extern bool defer_mark_used_calls;
5461 extern GTY(()) vec<tree, va_gc> *deferred_mark_used_calls;
5462 extern tree finish_case_label (location_t, tree, tree);
5463 extern tree cxx_maybe_build_cleanup (tree, tsubst_flags_t);
5466 extern void note_mangling_alias (tree, tree);
5467 extern void generate_mangling_aliases (void);
5468 extern bool check_java_method (tree);
5469 extern tree build_memfn_type (tree, tree, cp_cv_quals, cp_ref_qualifier);
5470 extern tree build_pointer_ptrmemfn_type (tree);
5471 extern tree change_return_type (tree, tree);
5472 extern void maybe_retrofit_in_chrg (tree);
5473 extern void maybe_make_one_only (tree);
5474 extern bool vague_linkage_p (tree);
5475 extern void grokclassfn (tree, tree,
5476 enum overload_flags);
5477 extern tree grok_array_decl (location_t, tree, tree, bool);
5478 extern tree delete_sanity (tree, tree, bool, int, tsubst_flags_t);
5479 extern tree check_classfn (tree, tree, tree);
5480 extern void check_member_template (tree);
5481 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *,
5482 tree, bool, tree, tree);
5483 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *,
5485 extern tree cp_reconstruct_complex_type (tree, tree);
5486 extern bool attributes_naming_typedef_ok (tree);
5487 extern void cplus_decl_attributes (tree *, tree, int);
5488 extern void finish_anon_union (tree);
5489 extern void cp_write_global_declarations (void);
5490 extern tree coerce_new_type (tree);
5491 extern tree coerce_delete_type (tree);
5492 extern void comdat_linkage (tree);
5493 extern void determine_visibility (tree);
5494 extern void constrain_class_visibility (tree);
5495 extern void reset_type_linkage (tree);
5496 extern void tentative_decl_linkage (tree);
5497 extern void import_export_decl (tree);
5498 extern tree build_cleanup (tree);
5499 extern tree build_offset_ref_call_from_tree (tree, vec<tree, va_gc> **,
5501 extern bool decl_constant_var_p (tree);
5502 extern bool decl_maybe_constant_var_p (tree);
5503 extern void no_linkage_error (tree);
5504 extern void check_default_args (tree);
5505 extern bool mark_used (tree);
5506 extern bool mark_used (tree, tsubst_flags_t);
5507 extern void finish_static_data_member_decl (tree, tree, bool, tree, int);
5508 extern tree cp_build_parm_decl (tree, tree);
5509 extern tree get_guard (tree);
5510 extern tree get_guard_cond (tree);
5511 extern tree set_guard (tree);
5512 extern tree get_tls_wrapper_fn (tree);
5513 extern void mark_needed (tree);
5514 extern bool decl_needed_p (tree);
5515 extern void note_vague_linkage_fn (tree);
5516 extern void note_variable_template_instantiation (tree);
5517 extern tree build_artificial_parm (tree, tree);
5518 extern bool possibly_inlined_p (tree);
5519 extern int parm_index (tree);
5520 extern tree vtv_start_verification_constructor_init_function (void);
5521 extern tree vtv_finish_verification_constructor_init_function (tree);
5522 extern bool cp_omp_mappable_type (tree);
5525 extern void init_error (void);
5526 extern const char *type_as_string (tree, int);
5527 extern const char *type_as_string_translate (tree, int);
5528 extern const char *decl_as_string (tree, int);
5529 extern const char *decl_as_string_translate (tree, int);
5530 extern const char *decl_as_dwarf_string (tree, int);
5531 extern const char *expr_as_string (tree, int);
5532 extern const char *lang_decl_name (tree, int, bool);
5533 extern const char *lang_decl_dwarf_name (tree, int, bool);
5534 extern const char *language_to_string (enum languages);
5535 extern const char *class_key_or_enum_as_string (tree);
5536 extern void maybe_warn_variadic_templates (void);
5537 extern void maybe_warn_cpp0x (cpp0x_warn_str str);
5538 extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
5539 extern location_t location_of (tree);
5540 extern void qualified_name_lookup_error (tree, tree, tree,
5544 extern void init_exception_processing (void);
5545 extern tree expand_start_catch_block (tree);
5546 extern void expand_end_catch_block (void);
5547 extern tree build_exc_ptr (void);
5548 extern tree build_throw (tree);
5549 extern int nothrow_libfn_p (const_tree);
5550 extern void check_handlers (tree);
5551 extern tree finish_noexcept_expr (tree, tsubst_flags_t);
5552 extern bool expr_noexcept_p (tree, tsubst_flags_t);
5553 extern void perform_deferred_noexcept_checks (void);
5554 extern bool nothrow_spec_p (const_tree);
5555 extern bool type_noexcept_p (const_tree);
5556 extern bool type_throw_all_p (const_tree);
5557 extern tree build_noexcept_spec (tree, int);
5558 extern void choose_personality_routine (enum languages);
5559 extern tree build_must_not_throw_expr (tree,tree);
5560 extern tree eh_type_info (tree);
5561 extern tree begin_eh_spec_block (void);
5562 extern void finish_eh_spec_block (tree, tree);
5563 extern tree build_eh_type_type (tree);
5564 extern tree cp_protect_cleanup_actions (void);
5565 extern tree create_try_catch_expr (tree, tree);
5568 extern tree cplus_expand_constant (tree);
5569 extern tree mark_rvalue_use (tree);
5570 extern tree mark_lvalue_use (tree);
5571 extern tree mark_type_use (tree);
5572 extern void mark_exp_read (tree);
5575 extern int is_friend (tree, tree);
5576 extern void make_friend_class (tree, tree, bool);
5577 extern void add_friend (tree, tree, bool);
5578 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, bool);
5581 extern tree expand_member_init (tree);
5582 extern void emit_mem_initializers (tree);
5583 extern tree build_aggr_init (tree, tree, int,
5585 extern int is_class_type (tree, int);
5586 extern tree get_type_value (tree);
5587 extern tree build_zero_init (tree, tree, bool);
5588 extern tree build_value_init (tree, tsubst_flags_t);
5589 extern tree build_value_init_noctor (tree, tsubst_flags_t);
5590 extern tree get_nsdmi (tree, bool);
5591 extern tree build_offset_ref (tree, tree, bool,
5593 extern tree throw_bad_array_new_length (void);
5594 extern tree build_new (vec<tree, va_gc> **, tree, tree,
5595 vec<tree, va_gc> **, int,
5597 extern tree get_temp_regvar (tree, tree);
5598 extern tree build_vec_init (tree, tree, tree, bool, int,
5600 extern tree build_delete (tree, tree,
5601 special_function_kind,
5602 int, int, tsubst_flags_t);
5603 extern void push_base_cleanups (void);
5604 extern tree build_vec_delete (tree, tree,
5605 special_function_kind, int,
5607 extern tree create_temporary_var (tree);
5608 extern void initialize_vtbl_ptrs (tree);
5609 extern tree build_java_class_ref (tree);
5610 extern tree scalar_constant_value (tree);
5611 extern tree decl_really_constant_value (tree);
5612 extern int diagnose_uninitialized_cst_or_ref_member (tree, bool, bool);
5613 extern tree build_vtbl_address (tree);
5616 extern void cxx_dup_lang_specific_decl (tree);
5617 extern void yyungetc (int, int);
5619 extern tree unqualified_name_lookup_error (tree);
5620 extern tree unqualified_fn_lookup_error (tree);
5621 extern tree build_lang_decl (enum tree_code, tree, tree);
5622 extern tree build_lang_decl_loc (location_t, enum tree_code, tree, tree);
5623 extern void retrofit_lang_decl (tree);
5624 extern tree copy_decl (tree);
5625 extern tree copy_type (tree);
5626 extern tree cxx_make_type (enum tree_code);
5627 extern tree make_class_type (enum tree_code);
5628 extern bool cxx_init (void);
5629 extern void cxx_finish (void);
5630 extern bool in_main_input_context (void);
5633 extern void init_method (void);
5634 extern tree make_thunk (tree, bool, tree, tree);
5635 extern void finish_thunk (tree);
5636 extern void use_thunk (tree, bool);
5637 extern bool trivial_fn_p (tree);
5638 extern bool is_trivially_xible (enum tree_code, tree, tree);
5639 extern tree get_defaulted_eh_spec (tree);
5640 extern tree unevaluated_noexcept_spec (void);
5641 extern void after_nsdmi_defaulted_late_checks (tree);
5642 extern bool maybe_explain_implicit_delete (tree);
5643 extern void explain_implicit_non_constexpr (tree);
5644 extern void deduce_inheriting_ctor (tree);
5645 extern void synthesize_method (tree);
5646 extern tree lazily_declare_fn (special_function_kind,
5648 extern tree skip_artificial_parms_for (const_tree, tree);
5649 extern int num_artificial_parms_for (const_tree);
5650 extern tree make_alias_for (tree, tree);
5651 extern tree get_copy_ctor (tree, tsubst_flags_t);
5652 extern tree get_copy_assign (tree);
5653 extern tree get_default_ctor (tree);
5654 extern tree get_dtor (tree, tsubst_flags_t);
5655 extern tree get_inherited_ctor (tree);
5656 extern tree locate_ctor (tree);
5657 extern tree implicitly_declare_fn (special_function_kind, tree,
5661 extern bool maybe_clone_body (tree);
5664 extern tree cp_convert_range_for (tree, tree, tree, bool);
5665 extern bool parsing_nsdmi (void);
5666 extern void inject_this_parameter (tree, cp_cv_quals);
5669 extern bool check_template_shadow (tree);
5670 extern tree get_innermost_template_args (tree, int);
5671 extern void maybe_begin_member_template_processing (tree);
5672 extern void maybe_end_member_template_processing (void);
5673 extern tree finish_member_template_decl (tree);
5674 extern void begin_template_parm_list (void);
5675 extern bool begin_specialization (void);
5676 extern void reset_specialization (void);
5677 extern void end_specialization (void);
5678 extern void begin_explicit_instantiation (void);
5679 extern void end_explicit_instantiation (void);
5680 extern tree check_explicit_specialization (tree, tree, int, int);
5681 extern int num_template_headers_for_class (tree);
5682 extern void check_template_variable (tree);
5683 extern tree make_auto (void);
5684 extern tree make_decltype_auto (void);
5685 extern tree do_auto_deduction (tree, tree, tree);
5686 extern tree type_uses_auto (tree);
5687 extern tree type_uses_auto_or_concept (tree);
5688 extern void append_type_to_template_for_access_check (tree, tree, tree,
5690 extern tree convert_generic_types_to_packs (tree, int, int);
5691 extern tree splice_late_return_type (tree, tree);
5692 extern bool is_auto (const_tree);
5693 extern bool is_auto_or_concept (const_tree);
5694 extern tree process_template_parm (tree, location_t, tree,
5696 extern tree end_template_parm_list (tree);
5697 extern void end_template_decl (void);
5698 extern tree maybe_update_decl_type (tree, tree);
5699 extern bool check_default_tmpl_args (tree, tree, bool, bool, int);
5700 extern tree push_template_decl (tree);
5701 extern tree push_template_decl_real (tree, bool);
5702 extern tree add_inherited_template_parms (tree, tree);
5703 extern bool redeclare_class_template (tree, tree);
5704 extern tree lookup_template_class (tree, tree, tree, tree,
5705 int, tsubst_flags_t);
5706 extern tree lookup_template_function (tree, tree);
5707 extern tree lookup_template_variable (tree, tree);
5708 extern int uses_template_parms (tree);
5709 extern int uses_template_parms_level (tree, int);
5710 extern bool in_template_function (void);
5711 extern tree instantiate_class_template (tree);
5712 extern tree instantiate_template (tree, tree, tsubst_flags_t);
5713 extern tree fn_type_unification (tree, tree, tree,
5714 const tree *, unsigned int,
5715 tree, unification_kind_t, int,
5717 extern void mark_decl_instantiated (tree, int);
5718 extern int more_specialized_fn (tree, tree, int);
5719 extern void do_decl_instantiation (tree, tree);
5720 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
5721 extern bool always_instantiate_p (tree);
5722 extern void maybe_instantiate_noexcept (tree);
5723 extern tree instantiate_decl (tree, int, bool);
5724 extern int comp_template_parms (const_tree, const_tree);
5725 extern bool uses_parameter_packs (tree);
5726 extern bool template_parameter_pack_p (const_tree);
5727 extern bool function_parameter_pack_p (const_tree);
5728 extern bool function_parameter_expanded_from_pack_p (tree, tree);
5729 extern tree make_pack_expansion (tree);
5730 extern bool check_for_bare_parameter_packs (tree);
5731 extern tree build_template_info (tree, tree);
5732 extern tree get_template_info (const_tree);
5733 extern vec<qualified_typedef_usage_t, va_gc> *get_types_needing_access_check (tree);
5734 extern int template_class_depth (tree);
5735 extern int is_specialization_of (tree, tree);
5736 extern bool is_specialization_of_friend (tree, tree);
5737 extern tree get_pattern_parm (tree, tree);
5738 extern int comp_template_args (tree, tree);
5739 extern tree maybe_process_partial_specialization (tree);
5740 extern tree most_specialized_instantiation (tree);
5741 extern void print_candidates (tree);
5742 extern void instantiate_pending_templates (int);
5743 extern tree tsubst_default_argument (tree, tree, tree,
5745 extern tree tsubst (tree, tree, tsubst_flags_t, tree);
5746 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t,
5748 extern tree most_general_template (tree);
5749 extern tree get_mostly_instantiated_function_type (tree);
5750 extern bool problematic_instantiation_changed (void);
5751 extern void record_last_problematic_instantiation (void);
5752 extern struct tinst_level *current_instantiation(void);
5753 extern bool instantiating_current_function_p (void);
5754 extern tree maybe_get_template_decl_from_type_decl (tree);
5755 extern int processing_template_parmlist;
5756 extern bool dependent_type_p (tree);
5757 extern bool dependent_scope_p (tree);
5758 extern bool any_dependent_template_arguments_p (const_tree);
5759 extern bool dependent_template_p (tree);
5760 extern bool dependent_template_id_p (tree, tree);
5761 extern bool type_dependent_expression_p (tree);
5762 extern bool any_type_dependent_arguments_p (const vec<tree, va_gc> *);
5763 extern bool any_type_dependent_elements_p (const_tree);
5764 extern bool type_dependent_expression_p_push (tree);
5765 extern bool value_dependent_expression_p (tree);
5766 extern bool instantiation_dependent_expression_p (tree);
5767 extern bool any_value_dependent_elements_p (const_tree);
5768 extern bool dependent_omp_for_p (tree, tree, tree, tree);
5769 extern tree resolve_typename_type (tree, bool);
5770 extern tree template_for_substitution (tree);
5771 extern tree build_non_dependent_expr (tree);
5772 extern void make_args_non_dependent (vec<tree, va_gc> *);
5773 extern bool reregister_specialization (tree, tree, tree);
5774 extern tree instantiate_non_dependent_expr (tree);
5775 extern tree instantiate_non_dependent_expr_sfinae (tree, tsubst_flags_t);
5776 extern tree instantiate_non_dependent_expr_internal (tree, tsubst_flags_t);
5777 extern bool variable_template_specialization_p (tree);
5778 extern bool alias_type_or_template_p (tree);
5779 extern bool alias_template_specialization_p (const_tree);
5780 extern bool dependent_alias_template_spec_p (const_tree);
5781 extern bool explicit_class_specialization_p (tree);
5782 extern bool push_tinst_level (tree);
5783 extern bool push_tinst_level_loc (tree, location_t);
5784 extern void pop_tinst_level (void);
5785 extern struct tinst_level *outermost_tinst_level(void);
5786 extern void init_template_processing (void);
5787 extern void print_template_statistics (void);
5788 bool template_template_parameter_p (const_tree);
5789 bool template_type_parameter_p (const_tree);
5790 extern bool primary_template_instantiation_p (const_tree);
5791 extern tree get_primary_template_innermost_parameters (const_tree);
5792 extern tree get_template_parms_at_level (tree, int);
5793 extern tree get_template_innermost_arguments (const_tree);
5794 extern tree get_template_argument_pack_elems (const_tree);
5795 extern tree get_function_template_decl (const_tree);
5796 extern tree resolve_nondeduced_context (tree, tsubst_flags_t);
5797 extern hashval_t iterative_hash_template_arg (tree arg, hashval_t val);
5800 extern void init_repo (void);
5801 extern int repo_emit_p (tree);
5802 extern bool repo_export_class_p (const_tree);
5803 extern void finish_repo (void);
5806 /* A vector of all tinfo decls that haven't been emitted yet. */
5807 extern GTY(()) vec<tree, va_gc> *unemitted_tinfo_decls;
5809 extern void init_rtti_processing (void);
5810 extern tree build_typeid (tree, tsubst_flags_t);
5811 extern tree get_tinfo_decl (tree);
5812 extern tree get_typeid (tree, tsubst_flags_t);
5813 extern tree build_headof (tree);
5814 extern tree build_dynamic_cast (tree, tree, tsubst_flags_t);
5815 extern void emit_support_tinfos (void);
5816 extern bool emit_tinfo_decl (tree);
5819 extern bool accessible_base_p (tree, tree, bool);
5820 extern tree lookup_base (tree, tree, base_access,
5821 base_kind *, tsubst_flags_t);
5822 extern tree dcast_base_hint (tree, tree);
5823 extern int accessible_p (tree, tree, bool);
5824 extern int accessible_in_template_p (tree, tree);
5825 extern tree lookup_field_1 (tree, tree, bool);
5826 extern tree lookup_field (tree, tree, int, bool);
5827 extern int lookup_fnfields_1 (tree, tree);
5828 extern tree lookup_fnfields_slot (tree, tree);
5829 extern tree lookup_fnfields_slot_nolazy (tree, tree);
5830 extern int class_method_index_for_fn (tree, tree);
5831 extern tree lookup_fnfields (tree, tree, int);
5832 extern tree lookup_member (tree, tree, int, bool,
5834 extern int look_for_overrides (tree, tree);
5835 extern void get_pure_virtuals (tree);
5836 extern void maybe_suppress_debug_info (tree);
5837 extern void note_debug_info_needed (tree);
5838 extern void print_search_statistics (void);
5839 extern void reinit_search_statistics (void);
5840 extern tree current_scope (void);
5841 extern int at_function_scope_p (void);
5842 extern bool at_class_scope_p (void);
5843 extern bool at_namespace_scope_p (void);
5844 extern tree context_for_name_lookup (tree);
5845 extern tree lookup_conversions (tree);
5846 extern tree binfo_from_vbase (tree);
5847 extern tree binfo_for_vbase (tree, tree);
5848 extern tree look_for_overrides_here (tree, tree);
5849 #define dfs_skip_bases ((tree)1)
5850 extern tree dfs_walk_all (tree, tree (*) (tree, void *),
5851 tree (*) (tree, void *), void *);
5852 extern tree dfs_walk_once (tree, tree (*) (tree, void *),
5853 tree (*) (tree, void *), void *);
5854 extern tree binfo_via_virtual (tree, tree);
5855 extern tree build_baselink (tree, tree, tree, tree);
5856 extern tree adjust_result_of_qualified_name_lookup
5858 extern tree copied_binfo (tree, tree);
5859 extern tree original_binfo (tree, tree);
5860 extern int shared_member_p (tree);
5862 /* The representation of a deferred access check. */
5864 typedef struct GTY(()) deferred_access_check {
5865 /* The base class in which the declaration is referenced. */
5867 /* The declaration whose access must be checked. */
5869 /* The declaration that should be used in the error message. */
5871 /* The location of this access. */
5873 } deferred_access_check;
5875 /* in semantics.c */
5876 extern void push_deferring_access_checks (deferring_kind);
5877 extern void resume_deferring_access_checks (void);
5878 extern void stop_deferring_access_checks (void);
5879 extern void pop_deferring_access_checks (void);
5880 extern vec<deferred_access_check, va_gc> *get_deferred_access_checks (void);
5881 extern void reopen_deferring_access_checks (vec<deferred_access_check, va_gc> *);
5882 extern void pop_to_parent_deferring_access_checks (void);
5883 extern bool perform_access_checks (vec<deferred_access_check, va_gc> *,
5885 extern bool perform_deferred_access_checks (tsubst_flags_t);
5886 extern bool perform_or_defer_access_check (tree, tree, tree,
5888 extern int stmts_are_full_exprs_p (void);
5889 extern void init_cp_semantics (void);
5890 extern tree do_poplevel (tree);
5891 extern void break_maybe_infinite_loop (void);
5892 extern void add_decl_expr (tree);
5893 extern tree maybe_cleanup_point_expr_void (tree);
5894 extern tree finish_expr_stmt (tree);
5895 extern tree begin_if_stmt (void);
5896 extern void finish_if_stmt_cond (tree, tree);
5897 extern tree finish_then_clause (tree);
5898 extern void begin_else_clause (tree);
5899 extern void finish_else_clause (tree);
5900 extern void finish_if_stmt (tree);
5901 extern tree begin_while_stmt (void);
5902 extern void finish_while_stmt_cond (tree, tree, bool);
5903 extern void finish_while_stmt (tree);
5904 extern tree begin_do_stmt (void);
5905 extern void finish_do_body (tree);
5906 extern void finish_do_stmt (tree, tree, bool);
5907 extern tree finish_return_stmt (tree);
5908 extern tree begin_for_scope (tree *);
5909 extern tree begin_for_stmt (tree, tree);
5910 extern void finish_for_init_stmt (tree);
5911 extern void finish_for_cond (tree, tree, bool);
5912 extern void finish_for_expr (tree, tree);
5913 extern void finish_for_stmt (tree);
5914 extern tree begin_range_for_stmt (tree, tree);
5915 extern void finish_range_for_decl (tree, tree, tree);
5916 extern void finish_range_for_stmt (tree);
5917 extern tree finish_break_stmt (void);
5918 extern tree finish_continue_stmt (void);
5919 extern tree begin_switch_stmt (void);
5920 extern void finish_switch_cond (tree, tree);
5921 extern void finish_switch_stmt (tree);
5922 extern tree finish_goto_stmt (tree);
5923 extern tree begin_try_block (void);
5924 extern void finish_try_block (tree);
5925 extern void finish_handler_sequence (tree);
5926 extern tree begin_function_try_block (tree *);
5927 extern void finish_function_try_block (tree);
5928 extern void finish_function_handler_sequence (tree, tree);
5929 extern void finish_cleanup_try_block (tree);
5930 extern tree begin_handler (void);
5931 extern void finish_handler_parms (tree, tree);
5932 extern void finish_handler (tree);
5933 extern void finish_cleanup (tree, tree);
5934 extern bool is_this_parameter (tree);
5941 extern tree begin_compound_stmt (unsigned int);
5943 extern void finish_compound_stmt (tree);
5944 extern tree finish_asm_stmt (int, tree, tree, tree, tree,
5946 extern tree finish_label_stmt (tree);
5947 extern void finish_label_decl (tree);
5948 extern tree finish_parenthesized_expr (tree);
5949 extern tree force_paren_expr (tree);
5950 extern tree finish_non_static_data_member (tree, tree, tree);
5951 extern tree begin_stmt_expr (void);
5952 extern tree finish_stmt_expr_expr (tree, tree);
5953 extern tree finish_stmt_expr (tree, bool);
5954 extern tree stmt_expr_value_expr (tree);
5955 bool empty_expr_stmt_p (tree);
5956 extern tree perform_koenig_lookup (tree, vec<tree, va_gc> *,
5958 extern tree finish_call_expr (tree, vec<tree, va_gc> **, bool,
5959 bool, tsubst_flags_t);
5960 extern tree finish_template_variable (tree, tsubst_flags_t = tf_warning_or_error);
5961 extern tree finish_increment_expr (tree, enum tree_code);
5962 extern tree finish_this_expr (void);
5963 extern tree finish_pseudo_destructor_expr (tree, tree, tree, location_t);
5964 extern tree finish_unary_op_expr (location_t, enum tree_code, tree,
5966 extern tree finish_compound_literal (tree, tree, tsubst_flags_t);
5967 extern tree finish_fname (tree);
5968 extern void finish_translation_unit (void);
5969 extern tree finish_template_type_parm (tree, tree);
5970 extern tree finish_template_template_parm (tree, tree);
5971 extern tree begin_class_definition (tree);
5972 extern void finish_template_decl (tree);
5973 extern tree finish_template_type (tree, tree, int);
5974 extern tree finish_base_specifier (tree, tree, bool);
5975 extern void finish_member_declaration (tree);
5976 extern bool outer_automatic_var_p (tree);
5977 extern tree process_outer_var_ref (tree, tsubst_flags_t);
5978 extern tree finish_id_expression (tree, tree, tree,
5981 bool, bool, bool, bool,
5984 extern tree finish_typeof (tree);
5985 extern tree finish_underlying_type (tree);
5986 extern tree calculate_bases (tree);
5987 extern tree finish_bases (tree, bool);
5988 extern tree calculate_direct_bases (tree);
5989 extern tree finish_offsetof (tree, location_t);
5990 extern void finish_decl_cleanup (tree, tree);
5991 extern void finish_eh_cleanup (tree);
5992 extern void emit_associated_thunks (tree);
5993 extern void finish_mem_initializers (tree);
5994 extern tree check_template_template_default_arg (tree);
5995 extern bool expand_or_defer_fn_1 (tree);
5996 extern void expand_or_defer_fn (tree);
5997 extern void add_typedef_to_current_template_for_access_check (tree, tree,
5999 extern void check_accessibility_of_qualified_id (tree, tree, tree);
6000 extern tree finish_qualified_id_expr (tree, tree, bool, bool,
6001 bool, bool, tsubst_flags_t);
6002 extern void simplify_aggr_init_expr (tree *);
6003 extern void finalize_nrv (tree *, tree, tree);
6004 extern void note_decl_for_pch (tree);
6005 extern tree omp_reduction_id (enum tree_code, tree, tree);
6006 extern tree cp_remove_omp_priv_cleanup_stmt (tree *, int *, void *);
6007 extern void cp_check_omp_declare_reduction (tree);
6008 extern tree finish_omp_clauses (tree);
6009 extern void finish_omp_threadprivate (tree);
6010 extern tree begin_omp_structured_block (void);
6011 extern tree finish_omp_structured_block (tree);
6012 extern tree finish_oacc_data (tree, tree);
6013 extern tree finish_oacc_kernels (tree, tree);
6014 extern tree finish_oacc_parallel (tree, tree);
6015 extern tree begin_omp_parallel (void);
6016 extern tree finish_omp_parallel (tree, tree);
6017 extern tree begin_omp_task (void);
6018 extern tree finish_omp_task (tree, tree);
6019 extern tree finish_omp_for (location_t, enum tree_code,
6020 tree, tree, tree, tree, tree,
6022 extern void finish_omp_atomic (enum tree_code, enum tree_code,
6023 tree, tree, tree, tree, tree,
6025 extern void finish_omp_barrier (void);
6026 extern void finish_omp_flush (void);
6027 extern void finish_omp_taskwait (void);
6028 extern void finish_omp_taskyield (void);
6029 extern void finish_omp_cancel (tree);
6030 extern void finish_omp_cancellation_point (tree);
6031 extern tree begin_transaction_stmt (location_t, tree *, int);
6032 extern void finish_transaction_stmt (tree, tree, int, tree);
6033 extern tree build_transaction_expr (location_t, tree, int, tree);
6034 extern bool cxx_omp_create_clause_info (tree, tree, bool, bool,
6036 extern tree baselink_for_fns (tree);
6037 extern void finish_static_assert (tree, tree, location_t,
6039 extern tree finish_decltype_type (tree, bool, tsubst_flags_t);
6040 extern tree finish_trait_expr (enum cp_trait_kind, tree, tree);
6041 extern tree build_lambda_expr (void);
6042 extern tree build_lambda_object (tree);
6043 extern tree begin_lambda_type (tree);
6044 extern tree lambda_capture_field_type (tree, bool);
6045 extern tree lambda_return_type (tree);
6046 extern tree lambda_proxy_type (tree);
6047 extern tree lambda_function (tree);
6048 extern void apply_deduced_return_type (tree, tree);
6049 extern tree add_capture (tree, tree, tree, bool, bool);
6050 extern tree add_default_capture (tree, tree, tree);
6051 extern tree build_capture_proxy (tree);
6052 extern void insert_capture_proxy (tree);
6053 extern void insert_pending_capture_proxies (void);
6054 extern bool is_capture_proxy (tree);
6055 extern bool is_normal_capture_proxy (tree);
6056 extern void register_capture_members (tree);
6057 extern tree lambda_expr_this_capture (tree, bool);
6058 extern tree maybe_resolve_dummy (tree, bool);
6059 extern tree current_nonlambda_function (void);
6060 extern tree nonlambda_method_basetype (void);
6061 extern void maybe_add_lambda_conv_op (tree);
6062 extern bool is_lambda_ignored_entity (tree);
6065 extern int cp_tree_operand_length (const_tree);
6066 void cp_free_lang_data (tree t);
6067 extern tree force_target_expr (tree, tree, tsubst_flags_t);
6068 extern tree build_target_expr_with_type (tree, tree, tsubst_flags_t);
6069 extern void lang_check_failed (const char *, int,
6070 const char *) ATTRIBUTE_NORETURN;
6071 extern tree stabilize_expr (tree, tree *);
6072 extern void stabilize_call (tree, tree *);
6073 extern bool stabilize_init (tree, tree *);
6074 extern tree add_stmt_to_compound (tree, tree);
6075 extern void init_tree (void);
6076 extern bool pod_type_p (const_tree);
6077 extern bool layout_pod_type_p (const_tree);
6078 extern bool std_layout_type_p (const_tree);
6079 extern bool trivial_type_p (const_tree);
6080 extern bool trivially_copyable_p (const_tree);
6081 extern bool scalarish_type_p (const_tree);
6082 extern bool type_has_nontrivial_default_init (const_tree);
6083 extern bool type_has_nontrivial_copy_init (const_tree);
6084 extern bool class_tmpl_impl_spec_p (const_tree);
6085 extern int zero_init_p (const_tree);
6086 extern bool check_abi_tag_redeclaration (const_tree, const_tree, const_tree);
6087 extern bool check_abi_tag_args (tree, tree);
6088 extern tree strip_typedefs (tree);
6089 extern tree strip_typedefs_expr (tree);
6090 extern tree copy_binfo (tree, tree, tree,
6092 extern int member_p (const_tree);
6093 extern cp_lvalue_kind real_lvalue_p (const_tree);
6094 extern cp_lvalue_kind lvalue_kind (const_tree);
6095 extern bool lvalue_or_rvalue_with_address_p (const_tree);
6096 extern bool xvalue_p (const_tree);
6097 extern bool builtin_valid_in_constant_expr_p (const_tree);
6098 extern tree build_min (enum tree_code, tree, ...);
6099 extern tree build_min_nt_loc (location_t, enum tree_code,
6101 extern tree build_min_non_dep (enum tree_code, tree, ...);
6102 extern tree build_min_non_dep_call_vec (tree, tree, vec<tree, va_gc> *);
6103 extern tree build_cplus_new (tree, tree, tsubst_flags_t);
6104 extern tree build_aggr_init_expr (tree, tree);
6105 extern tree get_target_expr (tree);
6106 extern tree get_target_expr_sfinae (tree, tsubst_flags_t);
6107 extern tree build_cplus_array_type (tree, tree);
6108 extern tree build_array_of_n_type (tree, int);
6109 extern bool array_of_runtime_bound_p (tree);
6110 extern tree build_array_copy (tree);
6111 extern tree build_vec_init_expr (tree, tree, tsubst_flags_t);
6112 extern void diagnose_non_constexpr_vec_init (tree);
6113 extern tree hash_tree_cons (tree, tree, tree);
6114 extern tree hash_tree_chain (tree, tree);
6115 extern tree build_qualified_name (tree, tree, tree, bool);
6116 extern tree build_ref_qualified_type (tree, cp_ref_qualifier);
6117 extern int is_overloaded_fn (tree);
6118 extern tree dependent_name (tree);
6119 extern tree get_fns (tree);
6120 extern tree get_first_fn (tree);
6121 extern tree ovl_cons (tree, tree);
6122 extern tree build_overload (tree, tree);
6123 extern tree ovl_scope (tree);
6124 extern bool non_static_member_function_p (tree);
6125 extern const char *cxx_printable_name (tree, int);
6126 extern const char *cxx_printable_name_translate (tree, int);
6127 extern tree build_exception_variant (tree, tree);
6128 extern tree bind_template_template_parm (tree, tree);
6129 extern tree array_type_nelts_total (tree);
6130 extern tree array_type_nelts_top (tree);
6131 extern tree break_out_target_exprs (tree);
6132 extern tree build_ctor_subob_ref (tree, tree, tree);
6133 extern tree replace_placeholders (tree, tree);
6134 extern tree get_type_decl (tree);
6135 extern tree decl_namespace_context (tree);
6136 extern bool decl_anon_ns_mem_p (const_tree);
6137 extern tree lvalue_type (tree);
6138 extern tree error_type (tree);
6139 extern int varargs_function_p (const_tree);
6140 extern bool really_overloaded_fn (tree);
6141 extern bool cp_tree_equal (tree, tree);
6142 extern tree no_linkage_check (tree, bool);
6143 extern void debug_binfo (tree);
6144 extern tree build_dummy_object (tree);
6145 extern tree maybe_dummy_object (tree, tree *);
6146 extern int is_dummy_object (const_tree);
6147 extern const struct attribute_spec cxx_attribute_table[];
6148 extern tree make_ptrmem_cst (tree, tree);
6149 extern tree cp_build_type_attribute_variant (tree, tree);
6150 extern tree cp_build_reference_type (tree, bool);
6151 extern tree move (tree);
6152 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
6153 #define cp_build_qualified_type(TYPE, QUALS) \
6154 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
6155 extern bool cv_qualified_p (const_tree);
6156 extern tree cv_unqualified (tree);
6157 extern special_function_kind special_function_p (const_tree);
6158 extern int count_trees (tree);
6159 extern int char_type_p (tree);
6160 extern void verify_stmt_tree (tree);
6161 extern linkage_kind decl_linkage (tree);
6162 extern duration_kind decl_storage_duration (tree);
6163 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
6164 void*, hash_set<tree> *);
6165 #define cp_walk_tree(tp,func,data,pset) \
6166 walk_tree_1 (tp, func, data, pset, cp_walk_subtrees)
6167 #define cp_walk_tree_without_duplicates(tp,func,data) \
6168 walk_tree_without_duplicates_1 (tp, func, data, cp_walk_subtrees)
6169 extern tree fold_if_not_in_template (tree);
6170 extern tree rvalue (tree);
6171 extern tree convert_bitfield_to_declared_type (tree);
6172 extern tree cp_save_expr (tree);
6173 extern bool cast_valid_in_integral_constant_expression_p (tree);
6174 extern bool cxx_type_hash_eq (const_tree, const_tree);
6176 extern void cxx_print_statistics (void);
6177 extern bool maybe_warn_zero_as_null_pointer_constant (tree, location_t);
6180 extern void cxx_print_xnode (FILE *, tree, int);
6181 extern void cxx_print_decl (FILE *, tree, int);
6182 extern void cxx_print_type (FILE *, tree, int);
6183 extern void cxx_print_identifier (FILE *, tree, int);
6184 extern void cxx_print_error_function (diagnostic_context *,
6186 struct diagnostic_info *);
6189 extern bool cxx_mark_addressable (tree);
6190 extern int string_conv_p (const_tree, const_tree, int);
6191 extern tree cp_truthvalue_conversion (tree);
6192 extern tree condition_conversion (tree);
6193 extern tree require_complete_type (tree);
6194 extern tree require_complete_type_sfinae (tree, tsubst_flags_t);
6195 extern tree complete_type (tree);
6196 extern tree complete_type_or_else (tree, tree);
6197 extern tree complete_type_or_maybe_complain (tree, tree, tsubst_flags_t);
6198 extern int type_unknown_p (const_tree);
6199 enum { ce_derived, ce_normal, ce_exact };
6200 extern bool comp_except_specs (const_tree, const_tree, int);
6201 extern bool comptypes (tree, tree, int);
6202 extern bool same_type_ignoring_top_level_qualifiers_p (tree, tree);
6203 extern bool compparms (const_tree, const_tree);
6204 extern int comp_cv_qualification (const_tree, const_tree);
6205 extern int comp_cv_qualification (int, int);
6206 extern int comp_cv_qual_signature (tree, tree);
6207 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code, bool);
6208 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
6209 extern tree cxx_alignas_expr (tree);
6210 extern tree cxx_sizeof_nowarn (tree);
6211 extern tree is_bitfield_expr_with_lowered_type (const_tree);
6212 extern tree unlowered_expr_type (const_tree);
6213 extern tree decay_conversion (tree, tsubst_flags_t);
6214 extern tree build_class_member_access_expr (tree, tree, tree, bool,
6216 extern tree finish_class_member_access_expr (tree, tree, bool,
6218 extern tree build_x_indirect_ref (location_t, tree,
6219 ref_operator, tsubst_flags_t);
6220 extern tree cp_build_indirect_ref (tree, ref_operator,
6222 extern tree build_array_ref (location_t, tree, tree);
6223 extern tree cp_build_array_ref (location_t, tree, tree,
6225 extern tree get_member_function_from_ptrfunc (tree *, tree, tsubst_flags_t);
6226 extern tree cp_build_function_call_nary (tree, tsubst_flags_t, ...)
6228 extern tree cp_build_function_call_vec (tree, vec<tree, va_gc> **,
6230 extern tree build_x_binary_op (location_t,
6231 enum tree_code, tree,
6232 enum tree_code, tree,
6233 enum tree_code, tree *,
6235 extern tree build_x_array_ref (location_t, tree, tree,
6237 extern tree build_x_unary_op (location_t,
6238 enum tree_code, tree,
6240 extern tree cp_build_addr_expr (tree, tsubst_flags_t);
6241 extern tree cp_build_unary_op (enum tree_code, tree, int,
6243 extern tree unary_complex_lvalue (enum tree_code, tree);
6244 extern tree build_x_conditional_expr (location_t, tree, tree, tree,
6246 extern tree build_x_compound_expr_from_list (tree, expr_list_kind,
6248 extern tree build_x_compound_expr_from_vec (vec<tree, va_gc> *,
6249 const char *, tsubst_flags_t);
6250 extern tree build_x_compound_expr (location_t, tree, tree,
6252 extern tree build_compound_expr (location_t, tree, tree);
6253 extern tree cp_build_compound_expr (tree, tree, tsubst_flags_t);
6254 extern tree build_static_cast (tree, tree, tsubst_flags_t);
6255 extern tree build_reinterpret_cast (tree, tree, tsubst_flags_t);
6256 extern tree build_const_cast (tree, tree, tsubst_flags_t);
6257 extern tree build_c_cast (location_t, tree, tree);
6258 extern tree cp_build_c_cast (tree, tree, tsubst_flags_t);
6259 extern tree build_x_modify_expr (location_t, tree,
6260 enum tree_code, tree,
6262 extern tree cp_build_modify_expr (tree, enum tree_code, tree,
6264 extern tree convert_for_initialization (tree, tree, tree, int,
6265 impl_conv_rhs, tree, int,
6267 extern int comp_ptr_ttypes (tree, tree);
6268 extern bool comp_ptr_ttypes_const (tree, tree);
6269 extern bool error_type_p (const_tree);
6270 extern bool ptr_reasonably_similar (const_tree, const_tree);
6271 extern tree build_ptrmemfunc (tree, tree, int, bool,
6273 extern int cp_type_quals (const_tree);
6274 extern int type_memfn_quals (const_tree);
6275 extern cp_ref_qualifier type_memfn_rqual (const_tree);
6276 extern tree apply_memfn_quals (tree, cp_cv_quals, cp_ref_qualifier);
6277 extern bool cp_has_mutable_p (const_tree);
6278 extern bool at_least_as_qualified_p (const_tree, const_tree);
6279 extern void cp_apply_type_quals_to_decl (int, tree);
6280 extern tree build_ptrmemfunc1 (tree, tree, tree);
6281 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
6282 extern tree type_after_usual_arithmetic_conversions (tree, tree);
6283 extern tree common_pointer_type (tree, tree);
6284 extern tree composite_pointer_type (tree, tree, tree, tree,
6285 composite_pointer_operation,
6287 extern tree merge_types (tree, tree);
6288 extern tree strip_array_domain (tree);
6289 extern tree check_return_expr (tree, bool *);
6290 extern tree cp_build_binary_op (location_t,
6291 enum tree_code, tree, tree,
6293 extern tree build_x_vec_perm_expr (location_t,
6296 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
6297 extern tree build_simple_component_ref (tree, tree);
6298 extern tree build_ptrmemfunc_access_expr (tree, tree);
6299 extern tree build_address (tree);
6300 extern tree build_nop (tree, tree);
6301 extern tree non_reference (tree);
6302 extern tree lookup_anon_field (tree, tree);
6303 extern bool invalid_nonstatic_memfn_p (tree, tsubst_flags_t);
6304 extern tree convert_member_func_to_ptr (tree, tree, tsubst_flags_t);
6305 extern tree convert_ptrmem (tree, tree, bool, bool,
6307 extern int lvalue_or_else (tree, enum lvalue_use,
6309 extern void check_template_keyword (tree);
6310 extern bool check_raw_literal_operator (const_tree decl);
6311 extern bool check_literal_operator_args (const_tree, bool *, bool *);
6312 extern void maybe_warn_about_useless_cast (tree, tree, tsubst_flags_t);
6313 extern tree cp_perform_integral_promotions (tree, tsubst_flags_t);
6316 extern void require_complete_eh_spec_types (tree, tree);
6317 extern void cxx_incomplete_type_diagnostic (const_tree, const_tree, diagnostic_t);
6318 #undef cxx_incomplete_type_error
6319 extern void cxx_incomplete_type_error (const_tree, const_tree);
6320 #define cxx_incomplete_type_error(V,T) \
6321 (cxx_incomplete_type_diagnostic ((V), (T), DK_ERROR))
6322 extern void cxx_incomplete_type_inform (const_tree);
6323 extern tree error_not_base_type (tree, tree);
6324 extern tree binfo_or_else (tree, tree);
6325 extern void cxx_readonly_error (tree, enum lvalue_use);
6326 extern void complete_type_check_abstract (tree);
6327 extern int abstract_virtuals_error (tree, tree);
6328 extern int abstract_virtuals_error (abstract_class_use, tree);
6329 extern int abstract_virtuals_error_sfinae (tree, tree, tsubst_flags_t);
6330 extern int abstract_virtuals_error_sfinae (abstract_class_use, tree, tsubst_flags_t);
6332 extern tree store_init_value (tree, tree, vec<tree, va_gc>**, int);
6333 extern tree split_nonconstant_init (tree, tree);
6334 extern bool check_narrowing (tree, tree, tsubst_flags_t);
6335 extern tree digest_init (tree, tree, tsubst_flags_t);
6336 extern tree digest_init_flags (tree, tree, int);
6337 extern tree digest_nsdmi_init (tree, tree);
6338 extern tree build_scoped_ref (tree, tree, tree *);
6339 extern tree build_x_arrow (location_t, tree,
6341 extern tree build_m_component_ref (tree, tree, tsubst_flags_t);
6342 extern tree build_functional_cast (tree, tree, tsubst_flags_t);
6343 extern tree add_exception_specifier (tree, tree, int);
6344 extern tree merge_exception_specifiers (tree, tree);
6347 extern bool maybe_remove_implicit_alias (tree);
6348 extern void init_mangle (void);
6349 extern void mangle_decl (tree);
6350 extern const char *mangle_type_string (tree);
6351 extern tree mangle_typeinfo_for_type (tree);
6352 extern tree mangle_typeinfo_string_for_type (tree);
6353 extern tree mangle_vtbl_for_type (tree);
6354 extern tree mangle_vtt_for_type (tree);
6355 extern tree mangle_ctor_vtbl_for_type (tree, tree);
6356 extern tree mangle_thunk (tree, int, tree, tree);
6357 extern tree mangle_conv_op_name_for_type (tree);
6358 extern tree mangle_guard_variable (tree);
6359 extern tree mangle_tls_init_fn (tree);
6360 extern tree mangle_tls_wrapper_fn (tree);
6361 extern bool decl_tls_wrapper_p (tree);
6362 extern tree mangle_ref_init_variable (tree);
6363 extern char * get_mangled_vtable_map_var_name (tree);
6364 extern bool mangle_return_type_p (tree);
6367 extern bool cp_dump_tree (void *, tree);
6369 /* In cp/cp-objcp-common.c. */
6371 extern alias_set_type cxx_get_alias_set (tree);
6372 extern bool cxx_warn_unused_global_decl (const_tree);
6373 extern size_t cp_tree_size (enum tree_code);
6374 extern bool cp_var_mod_type_p (tree, tree);
6375 extern void cxx_initialize_diagnostics (diagnostic_context *);
6376 extern int cxx_types_compatible_p (tree, tree);
6377 extern void init_shadowed_var_for_decl (void);
6378 extern bool cxx_block_may_fallthru (const_tree);
6380 /* in cp-gimplify.c */
6381 extern int cp_gimplify_expr (tree *, gimple_seq *,
6383 extern void cp_genericize (tree);
6384 extern bool cxx_omp_const_qual_no_mutable (tree);
6385 extern enum omp_clause_default_kind cxx_omp_predetermined_sharing (tree);
6386 extern tree cxx_omp_clause_default_ctor (tree, tree, tree);
6387 extern tree cxx_omp_clause_copy_ctor (tree, tree, tree);
6388 extern tree cxx_omp_clause_assign_op (tree, tree, tree);
6389 extern tree cxx_omp_clause_dtor (tree, tree);
6390 extern void cxx_omp_finish_clause (tree, gimple_seq *);
6391 extern bool cxx_omp_privatize_by_reference (const_tree);
6393 /* in name-lookup.c */
6394 extern void suggest_alternatives_for (location_t, tree);
6395 extern tree strip_using_decl (tree);
6397 /* in vtable-class-hierarchy.c */
6398 extern void vtv_compute_class_hierarchy_transitive_closure (void);
6399 extern void vtv_generate_init_routine (void);
6400 extern void vtv_save_class_info (tree);
6401 extern void vtv_recover_class_info (void);
6402 extern void vtv_build_vtable_verify_fndecl (void);
6404 /* In cp-cilkplus.c. */
6405 extern bool cpp_validate_cilk_plus_loop (tree);
6407 /* In cp/cp-array-notations.c */
6408 extern tree expand_array_notation_exprs (tree);
6409 bool cilkplus_an_triplet_types_ok_p (location_t, tree, tree, tree,
6412 /* In constexpr.c */
6413 extern bool literal_type_p (tree);
6414 extern tree register_constexpr_fundef (tree, tree);
6415 extern bool check_constexpr_ctor_body (tree, tree, bool);
6416 extern tree ensure_literal_type_for_constexpr_object (tree);
6417 extern bool potential_constant_expression (tree);
6418 extern bool potential_static_init_expression (tree);
6419 extern bool potential_rvalue_constant_expression (tree);
6420 extern bool require_potential_constant_expression (tree);
6421 extern bool require_potential_rvalue_constant_expression (tree);
6422 extern tree cxx_constant_value (tree, tree = NULL_TREE);
6423 extern tree maybe_constant_value (tree, tree = NULL_TREE);
6424 extern tree maybe_constant_init (tree, tree = NULL_TREE);
6425 extern tree fold_non_dependent_expr (tree);
6426 extern bool is_sub_constant_expr (tree);
6427 extern bool reduced_constant_expression_p (tree);
6428 extern bool is_instantiation_of_constexpr (tree);
6429 extern bool var_in_constexpr_fn (tree);
6430 extern void explain_invalid_constexpr_fn (tree);
6431 extern vec<tree> cx_error_context (void);
6433 /* In c-family/cilk.c */
6434 extern bool cilk_valid_spawn (tree);
6437 extern void cp_ubsan_maybe_instrument_member_call (tree);
6438 extern void cp_ubsan_instrument_member_accesses (tree *);
6439 extern tree cp_ubsan_maybe_instrument_downcast (location_t, tree, tree, tree);
6440 extern tree cp_ubsan_maybe_instrument_cast_to_vbase (location_t, tree, tree);
6444 #endif /* ! GCC_CP_TREE_H */