1 /* Definitions for C++ parsing and type checking.
2 Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
4 Free Software Foundation, Inc.
5 Contributed by Michael Tiemann (tiemann@cygnus.com)
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
14 GCC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
29 #include "splay-tree.h"
33 #include "name-lookup.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 toplev.h, not after. We override the definition of GCC_DIAG_STYLE
40 #define GCC_DIAG_STYLE __gcc_cxxdiag__
41 #if GCC_VERSION >= 4001
42 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
44 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
48 In order for the format checking to accept the C++ front end diagnostic \
49 framework extensions, you must include this file before toplev.h, not after.
52 #include "diagnostic.h"
54 /* Usage of TREE_LANG_FLAG_?:
55 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
56 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
57 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
58 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
59 TREE_INDIRECT_USING (in NAMESPACE_DECL).
60 CLEANUP_P (in TRY_BLOCK)
61 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
62 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF)
63 PAREN_STRING_LITERAL (in STRING_CST)
64 DECL_PRETTY_FUNCTION_P (in VAR_DECL)
65 KOENIG_LOOKUP_P (in CALL_EXPR)
66 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
67 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
68 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
69 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
70 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
71 REFERENCE_REF_P (in INDIRECT_EXPR)
72 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
73 OMP_FOR_GIMPLIFYING_P (in OMP_FOR)
74 BASELINK_QUALIFIED_P (in BASELINK)
75 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
76 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
77 TYPE_REF_IS_RVALUE (in REFERENCE_TYPE)
78 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
79 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
80 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
81 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
82 1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
83 TI_PENDING_TEMPLATE_FLAG.
84 TEMPLATE_PARMS_FOR_INLINE.
85 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
86 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
87 ICS_ELLIPSIS_FLAG (in _CONV)
88 DECL_INITIALIZED_P (in VAR_DECL)
89 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
90 STMT_IS_FULL_EXPR_P (in _STMT)
91 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
92 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
93 DECLTYPE_FOR_LAMBDA_RETURN (in DECLTYPE_TYPE)
94 2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE)
95 ICS_THIS_FLAG (in _CONV)
96 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
97 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
98 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
99 LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P (in LAMBDA_EXPR)
100 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
101 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
102 ICS_BAD_FLAG (in _CONV)
103 FN_TRY_BLOCK_P (in TRY_BLOCK)
104 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
105 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
106 DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL)
107 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
109 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
110 DECL_TINFO_P (in VAR_DECL)
111 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
112 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
113 6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE)
114 DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL)
115 TYPE_MARKED_P (in _TYPE)
116 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL)
117 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
119 Usage of TYPE_LANG_FLAG_?:
121 1: TYPE_HAS_USER_CONSTRUCTOR.
124 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
125 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
126 SCOPED_ENUM_P (in ENUMERAL_TYPE)
127 6: TYPE_DEPENDENT_P_VALID
129 Usage of DECL_LANG_FLAG_?:
130 0: DECL_ERROR_REPORTED (in VAR_DECL).
131 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
132 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
133 DECL_MUTABLE_P (in FIELD_DECL)
134 DECL_DEPENDENT_P (in USING_DECL)
135 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
136 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
137 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
138 FUNCTION_PARAMETER_PACK_P (in PARM_DECL)
139 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
140 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
142 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
143 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
144 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
145 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
146 5: DECL_INTERFACE_KNOWN.
147 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
148 DECL_FIELD_IS_BASE (in FIELD_DECL)
149 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
150 DECL_THUNK_P (in a member FUNCTION_DECL)
151 DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
153 Usage of language-independent fields in a language-dependent manner:
156 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
157 forth as a substitute for the mark bits provided in `lang_type'.
158 At present, only the six low-order bits are used.
161 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO.
162 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS
165 For a binfo, this is a TREE_LIST. There is an entry for each
166 virtual function declared either in BINFO or its direct and
167 indirect primary bases.
169 The BV_DELTA of each node gives the amount by which to adjust the
170 `this' pointer when calling the function. If the method is an
171 overridden version of a base class method, then it is assumed
172 that, prior to adjustment, the this pointer points to an object
175 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
176 index of the vcall offset for this entry.
178 The BV_FN is the declaration for the virtual function itself.
181 This is an expression with POINTER_TYPE that gives the value
182 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
183 to extract the VAR_DECL for the complete vtable.
186 This field is NULL for a non-virtual function. For a virtual
187 function, it is eventually set to an INTEGER_CST indicating the
188 index in the vtable at which this function can be found. When
189 a virtual function is declared, but before it is known what
190 function is overridden, this field is the error_mark_node.
192 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
193 the virtual function this one overrides, and whose TREE_CHAIN is
194 the old DECL_VINDEX. */
196 /* Language-specific tree checkers. */
198 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
199 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
201 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
202 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
204 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
205 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
207 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
208 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
210 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
211 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
212 ({ __typeof (NODE) const __t = (NODE); \
213 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
214 || !__t->decl_common.lang_specific->u.fn.thunk_p) \
215 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
218 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
221 /* Language-dependent contents of an identifier. */
223 struct GTY(()) lang_identifier {
224 struct c_common_identifier c_common;
225 cxx_binding *namespace_bindings;
226 cxx_binding *bindings;
227 tree class_template_info;
231 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
232 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
233 and C_RID_YYCODE is the token number wanted by Yacc. */
235 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
237 #define LANG_IDENTIFIER_CAST(NODE) \
238 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
240 struct GTY(()) template_parm_index_s {
241 struct tree_common common;
247 typedef struct template_parm_index_s template_parm_index;
249 struct GTY(()) ptrmem_cst {
250 struct tree_common common;
251 /* This isn't used, but the middle-end expects all constants to have
256 typedef struct ptrmem_cst * ptrmem_cst_t;
258 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
259 namespace_binding ((NODE), global_namespace)
260 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
261 set_namespace_binding ((NODE), global_namespace, (VAL))
262 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
263 namespace_binding ((NODE), current_namespace)
264 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
265 set_namespace_binding ((NODE), current_namespace, (VAL))
267 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
269 #define BIND_EXPR_TRY_BLOCK(NODE) \
270 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
272 /* Used to mark the block around the member initializers and cleanups. */
273 #define BIND_EXPR_BODY_BLOCK(NODE) \
274 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
275 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
276 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE))
278 #define STATEMENT_LIST_NO_SCOPE(NODE) \
279 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
280 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
281 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
283 /* Nonzero if this statement should be considered a full-expression,
284 i.e., if temporaries created during this statement should have
285 their destructors run at the end of this statement. */
286 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
288 /* Marks the result of a statement expression. */
289 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
290 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
292 /* Nonzero if this statement-expression does not have an associated scope. */
293 #define STMT_EXPR_NO_SCOPE(NODE) \
294 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
296 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
298 #define same_type_p(TYPE1, TYPE2) \
299 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
301 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
302 top-level qualifiers. */
303 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
304 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
306 /* Nonzero if we are presently building a statement tree, rather
307 than expanding each statement as we encounter it. */
308 #define building_stmt_tree() (cur_stmt_list != NULL_TREE)
310 /* Returns nonzero iff NODE is a declaration for the global function
312 #define DECL_MAIN_P(NODE) \
313 (DECL_EXTERN_C_FUNCTION_P (NODE) \
314 && DECL_NAME (NODE) != NULL_TREE \
315 && MAIN_NAME_P (DECL_NAME (NODE)) \
318 /* The overloaded FUNCTION_DECL. */
319 #define OVL_FUNCTION(NODE) \
320 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
321 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
322 /* Polymorphic access to FUNCTION and CHAIN. */
323 #define OVL_CURRENT(NODE) \
324 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
325 #define OVL_NEXT(NODE) \
326 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
327 /* If set, this was imported in a using declaration.
328 This is not to confuse with being used somewhere, which
329 is not important for this node. */
330 #define OVL_USED(NODE) TREE_USED (NODE)
332 struct GTY(()) tree_overload {
333 struct tree_common common;
337 /* Returns true iff NODE is a BASELINK. */
338 #define BASELINK_P(NODE) \
339 (TREE_CODE (NODE) == BASELINK)
340 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
341 #define BASELINK_BINFO(NODE) \
342 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
343 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
344 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
345 #define BASELINK_FUNCTIONS(NODE) \
346 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
347 /* The BINFO in which the search for the functions indicated by this baselink
348 began. This base is used to determine the accessibility of functions
349 selected by overload resolution. */
350 #define BASELINK_ACCESS_BINFO(NODE) \
351 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
352 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
353 to which the conversion should occur. This value is important if
354 the BASELINK_FUNCTIONS include a template conversion operator --
355 the BASELINK_OPTYPE can be used to determine what type the user
357 #define BASELINK_OPTYPE(NODE) \
358 (TREE_CHAIN (BASELINK_CHECK (NODE)))
359 /* Nonzero if this baselink was from a qualified lookup. */
360 #define BASELINK_QUALIFIED_P(NODE) \
361 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
363 struct GTY(()) tree_baselink {
364 struct tree_common common;
370 /* The different kinds of ids that we encounter. */
372 typedef enum cp_id_kind
374 /* Not an id at all. */
376 /* An unqualified-id that is not a template-id. */
377 CP_ID_KIND_UNQUALIFIED,
378 /* An unqualified-id that is a dependent name. */
379 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
380 /* An unqualified template-id. */
381 CP_ID_KIND_TEMPLATE_ID,
382 /* A qualified-id. */
386 /* Macros for access to language-specific slots in an identifier. */
388 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
389 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
390 #define IDENTIFIER_TEMPLATE(NODE) \
391 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
393 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
394 identifier. It's PREVIOUS is the next outermost binding. Each
395 VALUE field is a DECL for the associated declaration. Thus,
396 name lookup consists simply of pulling off the node at the front
397 of the list (modulo oddities for looking up the names of types,
398 and such.) You can use SCOPE field to determine the scope
399 that bound the name. */
400 #define IDENTIFIER_BINDING(NODE) \
401 (LANG_IDENTIFIER_CAST (NODE)->bindings)
403 /* TREE_TYPE only indicates on local and class scope the current
404 type. For namespace scope, the presence of a type in any namespace
405 is indicated with global_type_node, and the real type behind must
406 be found through lookup. */
407 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
408 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
409 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
410 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
412 #define IDENTIFIER_LABEL_VALUE(NODE) \
413 (LANG_IDENTIFIER_CAST (NODE)->label_value)
414 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
415 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
417 /* Nonzero if this identifier is used as a virtual function name somewhere
418 (optimizes searches). */
419 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
421 /* Nonzero if this identifier is the prefix for a mangled C++ operator
423 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
425 /* Nonzero if this identifier is the name of a type-conversion
427 #define IDENTIFIER_TYPENAME_P(NODE) \
428 TREE_LANG_FLAG_4 (NODE)
430 /* Nonzero if this identifier is the name of a constructor or
432 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
433 TREE_LANG_FLAG_3 (NODE)
435 /* True iff NAME is the DECL_ASSEMBLER_NAME for an entity with vague
436 linkage which the prelinker has assigned to this translation
438 #define IDENTIFIER_REPO_CHOSEN(NAME) \
439 (TREE_LANG_FLAG_6 (NAME))
441 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
442 #define C_TYPE_FIELDS_READONLY(TYPE) \
443 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
445 /* The tokens stored in the default argument. */
447 #define DEFARG_TOKENS(NODE) \
448 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
449 #define DEFARG_INSTANTIATIONS(NODE) \
450 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->instantiations)
452 struct GTY (()) tree_default_arg {
453 struct tree_common common;
454 struct cp_token_cache *tokens;
455 VEC(tree,gc) *instantiations;
458 /* The condition associated with the static assertion. This must be
459 an integral constant expression. */
460 #define STATIC_ASSERT_CONDITION(NODE) \
461 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
463 /* The message associated with the static assertion. This must be a
464 string constant, which will be emitted as an error message when the
465 static assert condition is false. */
466 #define STATIC_ASSERT_MESSAGE(NODE) \
467 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
469 /* Source location information for a static assertion. */
470 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
471 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
473 struct GTY (()) tree_static_assert {
474 struct tree_common common;
480 struct GTY (()) tree_argument_pack_select {
481 struct tree_common common;
486 /* The different kinds of traits that we encounter. */
488 typedef enum cp_trait_kind
490 CPTK_HAS_NOTHROW_ASSIGN,
491 CPTK_HAS_NOTHROW_CONSTRUCTOR,
492 CPTK_HAS_NOTHROW_COPY,
493 CPTK_HAS_TRIVIAL_ASSIGN,
494 CPTK_HAS_TRIVIAL_CONSTRUCTOR,
495 CPTK_HAS_TRIVIAL_COPY,
496 CPTK_HAS_TRIVIAL_DESTRUCTOR,
497 CPTK_HAS_VIRTUAL_DESTRUCTOR,
501 CPTK_IS_CONVERTIBLE_TO,
511 /* The types that we are processing. */
512 #define TRAIT_EXPR_TYPE1(NODE) \
513 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
515 #define TRAIT_EXPR_TYPE2(NODE) \
516 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
518 /* The specific trait that we are processing. */
519 #define TRAIT_EXPR_KIND(NODE) \
520 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
522 struct GTY (()) tree_trait_expr {
523 struct tree_common common;
526 enum cp_trait_kind kind;
529 /* Based off of TYPE_ANONYMOUS_P. */
530 #define LAMBDA_TYPE_P(NODE) \
531 (CLASS_TYPE_P (NODE) && LAMBDANAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
533 /* Test if FUNCTION_DECL is a lambda function. */
534 #define LAMBDA_FUNCTION_P(FNDECL) \
535 (DECL_OVERLOADED_OPERATOR_P (FNDECL) == CALL_EXPR \
536 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
538 enum cp_lambda_default_capture_mode_type {
544 /* The method of default capture, if any. */
545 #define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
546 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
548 /* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
549 * so that the name, type, and field are all together, whether or not it has
550 * been added to the lambda's class type.
552 TREE_PURPOSE: The FIELD_DECL for this capture.
553 TREE_VALUE: The initializer. This is part of a GNU extension. */
554 #define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
555 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
557 /* The node in the capture-list that holds the 'this' capture. */
558 #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
559 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
561 /* Predicate tracking whether `this' is in the effective capture set. */
562 #define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
563 LAMBDA_EXPR_THIS_CAPTURE(NODE)
565 /* Predicate tracking whether the lambda was declared 'mutable'. */
566 #define LAMBDA_EXPR_MUTABLE_P(NODE) \
567 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
569 /* True iff we should try to deduce the lambda return type from any return
571 #define LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P(NODE) \
572 TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE))
574 /* The return type in the expression.
575 * NULL_TREE indicates that none was specified. */
576 #define LAMBDA_EXPR_RETURN_TYPE(NODE) \
577 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->return_type)
579 /* The source location of the lambda. */
580 #define LAMBDA_EXPR_LOCATION(NODE) \
581 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
583 /* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
584 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
585 #define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
586 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
588 /* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
589 #define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
590 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
592 struct GTY (()) tree_lambda_expr
594 struct tree_common common;
596 enum cp_lambda_default_capture_mode_type default_capture_mode;
604 enum cp_tree_node_structure_enum {
615 TS_CP_ARGUMENT_PACK_SELECT,
621 /* The resulting tree type. */
622 union GTY((desc ("cp_tree_node_structure (&%h)"),
623 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) lang_tree_node {
624 union tree_node GTY ((tag ("TS_CP_GENERIC"),
625 desc ("tree_node_structure (&%h)"))) generic;
626 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
627 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
628 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
629 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
630 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
631 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
632 struct tree_static_assert GTY ((tag ("TS_CP_STATIC_ASSERT")))
634 struct tree_argument_pack_select GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
635 argument_pack_select;
636 struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR")))
638 struct tree_lambda_expr GTY ((tag ("TS_CP_LAMBDA_EXPR")))
646 CPTI_JAVA_SHORT_TYPE,
649 CPTI_JAVA_FLOAT_TYPE,
650 CPTI_JAVA_DOUBLE_TYPE,
652 CPTI_JAVA_BOOLEAN_TYPE,
655 CPTI_VTABLE_ENTRY_TYPE,
657 CPTI_VTABLE_INDEX_TYPE,
668 CPTI_CONST_TYPE_INFO_TYPE,
669 CPTI_TYPE_INFO_PTR_TYPE,
671 CPTI_GLOBAL_DELETE_FNDECL,
674 CPTI_CTOR_IDENTIFIER,
675 CPTI_COMPLETE_CTOR_IDENTIFIER,
676 CPTI_BASE_CTOR_IDENTIFIER,
677 CPTI_DTOR_IDENTIFIER,
678 CPTI_COMPLETE_DTOR_IDENTIFIER,
679 CPTI_BASE_DTOR_IDENTIFIER,
680 CPTI_DELETING_DTOR_IDENTIFIER,
681 CPTI_DELTA_IDENTIFIER,
682 CPTI_IN_CHARGE_IDENTIFIER,
683 CPTI_VTT_PARM_IDENTIFIER,
684 CPTI_NELTS_IDENTIFIER,
685 CPTI_THIS_IDENTIFIER,
687 CPTI_VPTR_IDENTIFIER,
691 CPTI_LANG_NAME_CPLUSPLUS,
694 CPTI_EMPTY_EXCEPT_SPEC,
697 CPTI_CALL_UNEXPECTED,
698 CPTI_ATEXIT_FN_PTR_TYPE,
708 extern GTY(()) tree cp_global_trees[CPTI_MAX];
710 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
711 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
712 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
713 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
714 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
715 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
716 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
717 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
719 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
720 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
721 /* The type used to represent an offset by which to adjust the `this'
722 pointer in pointer-to-member types. */
723 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
724 /* The type used to represent an index into the vtable. */
725 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
727 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
728 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
729 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
730 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
731 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
732 #define std_node cp_global_trees[CPTI_STD]
733 #define abi_node cp_global_trees[CPTI_ABI]
734 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
735 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
736 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
737 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
738 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
740 /* We cache these tree nodes so as to call get_identifier less
743 /* The name of a constructor that takes an in-charge parameter to
744 decide whether or not to construct virtual base classes. */
745 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
746 /* The name of a constructor that constructs virtual base classes. */
747 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
748 /* The name of a constructor that does not construct virtual base classes. */
749 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
750 /* The name of a destructor that takes an in-charge parameter to
751 decide whether or not to destroy virtual base classes and whether
752 or not to delete the object. */
753 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
754 /* The name of a destructor that destroys virtual base classes. */
755 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
756 /* The name of a destructor that does not destroy virtual base
758 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
759 /* The name of a destructor that destroys virtual base classes, and
760 then deletes the entire object. */
761 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
762 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
763 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
764 /* The name of the parameter that contains a pointer to the VTT to use
765 for this subobject constructor or destructor. */
766 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
767 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
768 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
769 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
770 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
771 /* The name of the std namespace. */
772 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
773 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
774 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
775 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
777 /* Exception specifier used for throw(). */
778 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
780 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
781 #define jclass_node cp_global_trees[CPTI_JCLASS]
783 /* The declaration for `std::terminate'. */
784 #define terminate_node cp_global_trees[CPTI_TERMINATE]
786 /* The declaration for "__cxa_call_unexpected". */
787 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
789 /* The type of the function-pointer argument to "__cxa_atexit" (or
790 "std::atexit", if "__cxa_atexit" is not being used). */
791 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
793 /* A pointer to `std::atexit'. */
794 #define atexit_node cp_global_trees[CPTI_ATEXIT]
796 /* A pointer to `__dso_handle'. */
797 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
799 /* The declaration of the dynamic_cast runtime. */
800 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
802 /* The type of a destructor. */
803 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
805 /* The type of the vtt parameter passed to subobject constructors and
807 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
809 /* A TREE_LIST of the dynamic classes whose vtables may have to be
810 emitted in this translation unit. */
812 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
814 /* Node to indicate default access. This must be distinct from the
815 access nodes in tree.h. */
817 #define access_default_node null_node
821 struct GTY(()) saved_scope {
822 VEC(cxx_saved_binding,gc) *old_bindings;
827 tree access_specifier;
829 VEC(tree,gc) *lang_base;
832 struct cp_binding_level *x_previous_class_level;
835 int x_processing_template_decl;
836 int x_processing_specialization;
837 BOOL_BITFIELD x_processing_explicit_instantiation : 1;
838 BOOL_BITFIELD need_pop_function_context : 1;
840 int unevaluated_operand;
841 int inhibit_evaluation_warnings;
843 struct stmt_tree_s x_stmt_tree;
845 struct cp_binding_level *class_bindings;
846 struct cp_binding_level *bindings;
848 struct saved_scope *prev;
851 /* The current open namespace. */
853 #define current_namespace scope_chain->old_namespace
855 /* The stack for namespaces of current declarations. */
857 #define decl_namespace_list scope_chain->decl_ns_list
859 /* IDENTIFIER_NODE: name of current class */
861 #define current_class_name scope_chain->class_name
863 /* _TYPE: the type of the current class */
865 #define current_class_type scope_chain->class_type
867 /* When parsing a class definition, the access specifier most recently
868 given by the user, or, if no access specifier was given, the
869 default value appropriate for the kind of class (i.e., struct,
872 #define current_access_specifier scope_chain->access_specifier
874 /* Pointer to the top of the language name stack. */
876 #define current_lang_base scope_chain->lang_base
877 #define current_lang_name scope_chain->lang_name
879 /* When parsing a template declaration, a TREE_LIST represents the
880 active template parameters. Each node in the list represents one
881 level of template parameters. The innermost level is first in the
882 list. The depth of each level is stored as an INTEGER_CST in the
883 TREE_PURPOSE of each node. The parameters for that level are
884 stored in the TREE_VALUE. */
886 #define current_template_parms scope_chain->template_parms
888 #define processing_template_decl scope_chain->x_processing_template_decl
889 #define processing_specialization scope_chain->x_processing_specialization
890 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
892 /* The cached class binding level, from the most recently exited
893 class, or NULL if none. */
895 #define previous_class_level scope_chain->x_previous_class_level
897 /* A list of private types mentioned, for deferred access checking. */
899 extern GTY(()) struct saved_scope *scope_chain;
901 struct GTY(()) cxx_int_tree_map {
906 extern unsigned int cxx_int_tree_map_hash (const void *);
907 extern int cxx_int_tree_map_eq (const void *, const void *);
909 /* Global state pertinent to the current function. */
911 struct GTY(()) language_function {
912 struct c_language_function base;
915 tree x_current_class_ptr;
916 tree x_current_class_ref;
917 tree x_eh_spec_block;
918 tree x_in_charge_parm;
922 BOOL_BITFIELD returns_value : 1;
923 BOOL_BITFIELD returns_null : 1;
924 BOOL_BITFIELD returns_abnormally : 1;
925 BOOL_BITFIELD in_function_try_handler : 1;
926 BOOL_BITFIELD in_base_initializer : 1;
928 /* True if this function can throw an exception. */
929 BOOL_BITFIELD can_throw : 1;
931 htab_t GTY((param_is(struct named_label_entry))) x_named_labels;
932 struct cp_binding_level *bindings;
933 VEC(tree,gc) *x_local_names;
934 htab_t GTY((param_is (struct cxx_int_tree_map))) extern_decl_map;
937 /* The current C++-specific per-function global variables. */
939 #define cp_function_chain (cfun->language)
941 /* In a constructor destructor, the point at which all derived class
942 destroying/construction has been done. I.e., just before a
943 constructor returns, or before any base class destroying will be done
946 #define cdtor_label cp_function_chain->x_cdtor_label
948 /* When we're processing a member function, current_class_ptr is the
949 PARM_DECL for the `this' pointer. The current_class_ref is an
950 expression for `*this'. */
952 #define current_class_ptr \
953 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
954 #define current_class_ref \
955 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
957 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
960 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
962 /* The `__in_chrg' parameter for the current function. Only used for
963 constructors and destructors. */
965 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
967 /* The `__vtt_parm' parameter for the current function. Only used for
968 constructors and destructors. */
970 #define current_vtt_parm cp_function_chain->x_vtt_parm
972 /* Set to 0 at beginning of a function definition, set to 1 if
973 a return statement that specifies a return value is seen. */
975 #define current_function_returns_value cp_function_chain->returns_value
977 /* Set to 0 at beginning of a function definition, set to 1 if
978 a return statement with no argument is seen. */
980 #define current_function_returns_null cp_function_chain->returns_null
982 /* Set to 0 at beginning of a function definition, set to 1 if
983 a call to a noreturn function is seen. */
985 #define current_function_returns_abnormally \
986 cp_function_chain->returns_abnormally
988 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
989 #define in_base_initializer cp_function_chain->in_base_initializer
991 #define in_function_try_handler cp_function_chain->in_function_try_handler
993 /* Expression always returned from function, or error_mark_node
994 otherwise, for use by the automatic named return value optimization. */
996 #define current_function_return_value \
997 (cp_function_chain->x_return_value)
999 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
1000 new" or "operator delete". */
1001 #define NEW_DELETE_OPNAME_P(NAME) \
1002 ((NAME) == ansi_opname (NEW_EXPR) \
1003 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
1004 || (NAME) == ansi_opname (DELETE_EXPR) \
1005 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
1007 #define ansi_opname(CODE) \
1008 (operator_name_info[(int) (CODE)].identifier)
1009 #define ansi_assopname(CODE) \
1010 (assignment_operator_name_info[(int) (CODE)].identifier)
1012 /* True if NODE is an erroneous expression. */
1014 #define error_operand_p(NODE) \
1015 ((NODE) == error_mark_node \
1016 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
1018 /* TRUE if a tree code represents a statement. */
1019 extern bool statement_code_p[MAX_TREE_CODES];
1021 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
1023 enum languages { lang_c, lang_cplusplus, lang_java };
1025 /* Macros to make error reporting functions' lives easier. */
1026 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
1027 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
1028 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
1029 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
1030 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
1032 /* Nonzero if NODE has no name for linkage purposes. */
1033 #define TYPE_ANONYMOUS_P(NODE) \
1034 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
1036 /* The _DECL for this _TYPE. */
1037 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
1039 /* Nonzero if T is a class (or struct or union) type. Also nonzero
1040 for template type parameters, typename types, and instantiated
1041 template template parameters. Keep these checks in ascending code
1043 #define MAYBE_CLASS_TYPE_P(T) \
1044 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
1045 || TREE_CODE (T) == TYPENAME_TYPE \
1046 || TREE_CODE (T) == TYPEOF_TYPE \
1047 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
1048 || TREE_CODE (T) == DECLTYPE_TYPE \
1049 || CLASS_TYPE_P (T))
1051 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
1053 #define SET_CLASS_TYPE_P(T, VAL) \
1054 (TYPE_LANG_FLAG_5 (T) = (VAL))
1056 /* Nonzero if T is a class type. Zero for template type parameters,
1057 typename types, and so forth. */
1058 #define CLASS_TYPE_P(T) \
1059 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
1061 /* Nonzero if T is a class type but not an union. */
1062 #define NON_UNION_CLASS_TYPE_P(T) \
1063 (CLASS_TYPE_P (T) && TREE_CODE (T) != UNION_TYPE)
1065 /* Keep these checks in ascending code order. */
1066 #define RECORD_OR_UNION_CODE_P(T) \
1067 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
1068 #define TAGGED_TYPE_P(T) \
1069 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
1070 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
1072 /* True if this a "Java" type, defined in 'extern "Java"'. */
1073 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
1075 /* True if this type is dependent. This predicate is only valid if
1076 TYPE_DEPENDENT_P_VALID is true. */
1077 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
1079 /* True if dependent_type_p has been called for this type, with the
1080 result that TYPE_DEPENDENT_P is valid. */
1081 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
1083 /* Nonzero if this type is const-qualified. */
1084 #define CP_TYPE_CONST_P(NODE) \
1085 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
1087 /* Nonzero if this type is volatile-qualified. */
1088 #define CP_TYPE_VOLATILE_P(NODE) \
1089 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
1091 /* Nonzero if this type is restrict-qualified. */
1092 #define CP_TYPE_RESTRICT_P(NODE) \
1093 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
1095 /* Nonzero if this type is const-qualified, but not
1096 volatile-qualified. Other qualifiers are ignored. This macro is
1097 used to test whether or not it is OK to bind an rvalue to a
1099 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
1100 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
1103 #define FUNCTION_ARG_CHAIN(NODE) \
1104 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1106 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
1107 which refers to a user-written parameter. */
1108 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
1109 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1111 /* Similarly, but for DECL_ARGUMENTS. */
1112 #define FUNCTION_FIRST_USER_PARM(NODE) \
1113 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
1115 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
1116 ambiguity issues. */
1117 #define DERIVED_FROM_P(PARENT, TYPE) \
1118 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
1119 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
1121 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
1122 (lookup_base ((TYPE), (PARENT), ba_unique | ba_quiet, NULL) != NULL_TREE)
1123 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
1124 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
1125 (lookup_base ((TYPE), (PARENT), ba_ignore_scope | ba_check | ba_quiet, \
1128 /* Gives the visibility specification for a class type. */
1129 #define CLASSTYPE_VISIBILITY(TYPE) \
1130 DECL_VISIBILITY (TYPE_NAME (TYPE))
1131 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
1132 DECL_VISIBILITY_SPECIFIED (TYPE_NAME (TYPE))
1134 typedef struct GTY (()) tree_pair_s {
1138 typedef tree_pair_s *tree_pair_p;
1139 DEF_VEC_O (tree_pair_s);
1140 DEF_VEC_ALLOC_O (tree_pair_s,gc);
1142 /* This is a few header flags for 'struct lang_type'. Actually,
1143 all but the first are used only for lang_type_class; they
1144 are put in this structure to save space. */
1145 struct GTY(()) lang_type_header {
1146 BOOL_BITFIELD is_lang_type_class : 1;
1148 BOOL_BITFIELD has_type_conversion : 1;
1149 BOOL_BITFIELD has_init_ref : 1;
1150 BOOL_BITFIELD has_default_ctor : 1;
1151 BOOL_BITFIELD const_needs_init : 1;
1152 BOOL_BITFIELD ref_needs_init : 1;
1153 BOOL_BITFIELD has_const_assign_ref : 1;
1155 BOOL_BITFIELD spare : 1;
1158 /* This structure provides additional information above and beyond
1159 what is provide in the ordinary tree_type. In the past, we used it
1160 for the types of class types, template parameters types, typename
1161 types, and so forth. However, there can be many (tens to hundreds
1162 of thousands) of template parameter types in a compilation, and
1163 there's no need for this additional information in that case.
1164 Therefore, we now use this data structure only for class types.
1166 In the past, it was thought that there would be relatively few
1167 class types. However, in the presence of heavy use of templates,
1168 many (i.e., thousands) of classes can easily be generated.
1169 Therefore, we should endeavor to keep the size of this structure to
1171 struct GTY(()) lang_type_class {
1172 struct lang_type_header h;
1174 unsigned char align;
1176 unsigned has_mutable : 1;
1177 unsigned com_interface : 1;
1178 unsigned non_pod_class : 1;
1179 unsigned nearly_empty_p : 1;
1180 unsigned user_align : 1;
1181 unsigned has_assign_ref : 1;
1182 unsigned has_new : 1;
1183 unsigned has_array_new : 1;
1185 unsigned gets_delete : 2;
1186 unsigned interface_only : 1;
1187 unsigned interface_unknown : 1;
1188 unsigned contains_empty_class_p : 1;
1189 unsigned anon_aggr : 1;
1190 unsigned non_zero_init : 1;
1191 unsigned empty_p : 1;
1193 unsigned vec_new_uses_cookie : 1;
1194 unsigned declared_class : 1;
1195 unsigned diamond_shaped : 1;
1196 unsigned repeated_base : 1;
1197 unsigned being_defined : 1;
1198 unsigned java_interface : 1;
1199 unsigned debug_requested : 1;
1200 unsigned fields_readonly : 1;
1202 unsigned use_template : 2;
1203 unsigned ptrmemfunc_flag : 1;
1204 unsigned was_anonymous : 1;
1205 unsigned lazy_default_ctor : 1;
1206 unsigned lazy_copy_ctor : 1;
1207 unsigned lazy_assignment_op : 1;
1208 unsigned lazy_destructor : 1;
1210 unsigned has_const_init_ref : 1;
1211 unsigned has_complex_init_ref : 1;
1212 unsigned has_complex_assign_ref : 1;
1213 unsigned non_aggregate : 1;
1214 unsigned has_complex_dflt : 1;
1215 unsigned has_list_ctor : 1;
1216 unsigned non_std_layout : 1;
1217 unsigned lazy_move_ctor : 1;
1218 unsigned is_literal : 1;
1220 /* When adding a flag here, consider whether or not it ought to
1221 apply to a template instance if it applies to the template. If
1222 so, make sure to copy it in instantiate_class_template! */
1224 /* There are some bits left to fill out a 32-bit word. Keep track
1225 of this by updating the size of this bitfield whenever you add or
1230 VEC(tree_pair_s,gc) *vcall_indices;
1233 VEC(tree,gc) *vbases;
1234 binding_table nested_udts;
1236 VEC(tree,gc) *pure_virtuals;
1237 tree friend_classes;
1238 VEC(tree,gc) * GTY((reorder ("resort_type_method_vec"))) methods;
1242 tree befriending_classes;
1243 /* In a RECORD_TYPE, information specific to Objective-C++, such
1244 as a list of adopted protocols or a pointer to a corresponding
1245 @interface. See objc/objc-act.h for details. */
1247 /* sorted_fields is sorted based on a pointer, so we need to be able
1248 to resort it if pointers get rearranged. */
1249 struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields")))
1251 /* FIXME reuse another field? */
1255 struct GTY(()) lang_type_ptrmem {
1256 struct lang_type_header h;
1260 struct GTY(()) lang_type {
1263 struct lang_type_header GTY((skip (""))) h;
1264 struct lang_type_class GTY((tag ("1"))) c;
1265 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1266 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1269 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1271 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1272 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1273 if (! lt->u.h.is_lang_type_class) \
1274 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1277 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1278 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1279 if (lt->u.h.is_lang_type_class) \
1280 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1285 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1286 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1288 #endif /* ENABLE_TREE_CHECKING */
1290 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1291 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1292 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1294 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1295 storage to indicate how many array elements are in use. */
1296 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1297 (CLASS_TYPE_P (NODE) \
1298 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1300 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1301 itself to other types. */
1302 #define TYPE_HAS_CONVERSION(NODE) \
1303 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1305 /* Nonzero means that NODE (a class type) has a default constructor --
1306 but that it has not yet been declared. */
1307 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
1308 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
1310 /* Nonzero means that NODE (a class type) has a copy constructor --
1311 but that it has not yet been declared. */
1312 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
1313 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
1315 /* Nonzero means that NODE (a class type) has a move constructor --
1316 but that it has not yet been declared. */
1317 #define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
1318 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
1320 /* Nonzero means that NODE (a class type) has an assignment operator
1321 -- but that it has not yet been declared. */
1322 #define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \
1323 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op)
1325 /* Nonzero means that NODE (a class type) has a destructor -- but that
1326 it has not yet been declared. */
1327 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
1328 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
1330 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1331 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1333 /* True iff the class type NODE has an "operator =" whose parameter
1334 has a parameter of type "const X&". */
1335 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1336 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1338 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1339 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1340 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1341 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1343 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
1344 #define TYPE_HAS_LIST_CTOR(NODE) \
1345 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
1347 /* Nonzero if this class defines an overloaded operator new. (An
1348 operator new [] doesn't count.) */
1349 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1350 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1352 /* Nonzero if this class defines an overloaded operator new[]. */
1353 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1354 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1356 /* Nonzero means that this type is being defined. I.e., the left brace
1357 starting the definition of this type has been seen. */
1358 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1360 /* Mark bits for repeated base checks. */
1361 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
1363 /* Nonzero if the class NODE has multiple paths to the same (virtual)
1365 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
1366 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
1368 /* Nonzero if the class NODE has multiple instances of the same base
1370 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
1371 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
1373 /* The member function with which the vtable will be emitted:
1374 the first noninline non-pure-virtual member function. NULL_TREE
1375 if there is no key function or if this is a class template */
1376 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1378 /* Vector member functions defined in this class. Each element is
1379 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1380 functions with the same name end up in the same slot. The first
1381 two elements are for constructors, and destructors, respectively.
1382 All template conversion operators to innermost template dependent
1383 types are overloaded on the next slot, if they exist. Note, the
1384 names for these functions will not all be the same. The
1385 non-template conversion operators & templated conversions to
1386 non-innermost template types are next, followed by ordinary member
1387 functions. There may be empty entries at the end of the vector.
1388 The conversion operators are unsorted. The ordinary member
1389 functions are sorted, once the class is complete. */
1390 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1392 /* For class templates, this is a TREE_LIST of all member data,
1393 functions, types, and friends in the order of declaration.
1394 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1395 and the RECORD_TYPE for the class template otherwise. */
1396 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1398 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1399 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1401 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1402 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1404 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1405 operators can appear. */
1406 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1408 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1409 are the constructors that take an in-charge parameter. */
1410 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1411 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1413 /* A FUNCTION_DECL for the destructor for NODE. These are the
1414 destructors that take an in-charge parameter. If
1415 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
1416 until the destructor is created with lazily_declare_fn. */
1417 #define CLASSTYPE_DESTRUCTORS(NODE) \
1418 (CLASSTYPE_METHOD_VEC (NODE) \
1419 ? VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT) \
1422 /* A dictionary of the nested user-defined-types (class-types, or enums)
1423 found within this class. This table includes nested member class
1425 #define CLASSTYPE_NESTED_UTDS(NODE) \
1426 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1428 /* Nonzero if NODE has a primary base class, i.e., a base class with
1429 which it shares the virtual function table pointer. */
1430 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1431 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1433 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1434 the base class which contains the virtual function table pointer
1436 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1437 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1439 /* A vector of BINFOs for the direct and indirect virtual base classes
1440 that this type uses in a post-order depth-first left-to-right
1441 order. (In other words, these bases appear in the order that they
1442 should be initialized.) */
1443 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1445 /* The type corresponding to NODE when NODE is used as a base class,
1446 i.e., NODE without virtual base classes. */
1448 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1450 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1452 #define IS_FAKE_BASE_TYPE(NODE) \
1453 (TREE_CODE (NODE) == RECORD_TYPE \
1454 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1455 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1457 /* These are the size and alignment of the type without its virtual
1458 base classes, for when we use this type as a base itself. */
1459 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1460 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1461 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1462 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1464 /* The alignment of NODE, without its virtual bases, in bytes. */
1465 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1466 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1468 /* True if this a Java interface type, declared with
1469 '__attribute__ ((java_interface))'. */
1470 #define TYPE_JAVA_INTERFACE(NODE) \
1471 (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1473 /* A VEC(tree) of virtual functions which cannot be inherited by
1474 derived classes. When deriving from this type, the derived
1475 class must provide its own definition for each of these functions. */
1476 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
1477 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1479 /* Nonzero means that this type has an X() constructor. */
1480 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1481 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1483 /* Nonzero means that this type contains a mutable member. */
1484 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1485 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1487 /* Nonzero means that this class type is not POD for the purpose of layout
1488 (as defined in the ABI). This is different from the language's POD. */
1489 #define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \
1490 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1492 /* Nonzero means that this class type is a non-standard-layout class. */
1493 #define CLASSTYPE_NON_STD_LAYOUT(NODE) \
1494 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout)
1496 /* Nonzero means that this class contains pod types whose default
1497 initialization is not a zero initialization (namely, pointers to
1499 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1500 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1502 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1503 #define CLASSTYPE_EMPTY_P(NODE) \
1504 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1506 /* Nonzero if this class is "nearly empty", i.e., contains only a
1507 virtual function table pointer. */
1508 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1509 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1511 /* Nonzero if this class contains an empty subobject. */
1512 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1513 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1515 /* A list of class types of which this type is a friend. The
1516 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1517 case of a template friend. */
1518 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1519 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1521 /* A list of the classes which grant friendship to this class. */
1522 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1523 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1525 /* The associated LAMBDA_EXPR that made this class. */
1526 #define CLASSTYPE_LAMBDA_EXPR(NODE) \
1527 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
1528 /* The extra mangling scope for this closure type. */
1529 #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
1530 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
1532 /* Say whether this node was declared as a "class" or a "struct". */
1533 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1534 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1536 /* Nonzero if this class has const members
1537 which have no specified initialization. */
1538 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1539 (TYPE_LANG_SPECIFIC (NODE) \
1540 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1541 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1542 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1544 /* Nonzero if this class has ref members
1545 which have no specified initialization. */
1546 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1547 (TYPE_LANG_SPECIFIC (NODE) \
1548 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1549 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1550 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1552 /* Nonzero if this class is included from a header file which employs
1553 `#pragma interface', and it is not included in its implementation file. */
1554 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1555 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1557 /* True if we have already determined whether or not vtables, VTTs,
1558 typeinfo, and other similar per-class data should be emitted in
1559 this translation unit. This flag does not indicate whether or not
1560 these items should be emitted; it only indicates that we know one
1561 way or the other. */
1562 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1563 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1564 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1565 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1566 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1568 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1569 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1570 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1571 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1572 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1573 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1575 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1576 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1577 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1579 /* Additional macros for inheritance information. */
1581 /* Nonzero means that this class is on a path leading to a new vtable. */
1582 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1584 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1585 have this flag set. */
1586 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1588 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
1589 this is functionally equivalent to using same_type_p, but
1590 measurably faster. At least one of the arguments must be a
1591 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
1592 BINFO_TYPE(T) ever stops being the main variant of the class the
1593 binfo is for, this macro must change. */
1594 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
1596 /* Any subobject that needs a new vtable must have a vptr and must not
1597 be a non-virtual primary base (since it would then use the vtable from a
1598 derived class and never become non-primary.) */
1599 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1600 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1601 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
1602 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
1604 /* Nonzero if this binfo is for a dependent base - one that should not
1606 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1608 /* Nonzero if this binfo has lost its primary base binfo (because that
1609 is a nearly-empty virtual base that has been taken by some other
1610 base in the complete hierarchy. */
1611 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1613 /* Nonzero if this BINFO is a primary base class. */
1614 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
1616 /* Used by various search routines. */
1617 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1619 /* A VEC(tree_pair_s) of the vcall indices associated with the class
1620 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
1621 function. The VALUE is the index into the virtual table where the
1622 vcall offset for that function is stored, when NODE is a virtual
1624 #define CLASSTYPE_VCALL_INDICES(NODE) \
1625 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1627 /* The various vtables for the class NODE. The primary vtable will be
1628 first, followed by the construction vtables and VTT, if any. */
1629 #define CLASSTYPE_VTABLES(NODE) \
1630 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1632 /* The std::type_info variable representing this class, or NULL if no
1633 such variable has been created. This field is only set for the
1634 TYPE_MAIN_VARIANT of the class. */
1635 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1636 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1638 /* Accessor macros for the BINFO_VIRTUALS list. */
1640 /* The number of bytes by which to adjust the `this' pointer when
1641 calling this virtual function. Subtract this value from the this
1642 pointer. Always non-NULL, might be constant zero though. */
1643 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1645 /* If non-NULL, the vtable index at which to find the vcall offset
1646 when calling this virtual function. Add the value at that vtable
1647 index to the this pointer. */
1648 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1650 /* The function to call. */
1651 #define BV_FN(NODE) (TREE_VALUE (NODE))
1654 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1655 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1656 will be NULL_TREE to indicate a throw specification of `()', or
1657 no exceptions allowed. */
1658 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
1660 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1661 #define TYPE_NOTHROW_P(NODE) \
1662 (TYPE_RAISES_EXCEPTIONS (NODE) \
1663 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1665 /* The binding level associated with the namespace. */
1666 #define NAMESPACE_LEVEL(NODE) \
1667 (LANG_DECL_NS_CHECK (NODE)->level)
1669 /* Flags shared by all forms of DECL_LANG_SPECIFIC.
1671 Some of the flags live here only to make lang_decl_min/fn smaller. Do
1672 not make this struct larger than 32 bits; instead, make sel smaller. */
1674 struct GTY(()) lang_decl_base {
1675 unsigned selector : 16; /* Larger than necessary for faster access. */
1676 ENUM_BITFIELD(languages) language : 4;
1677 unsigned use_template : 2;
1678 unsigned not_really_extern : 1; /* var or fn */
1679 unsigned initialized_in_class : 1; /* var or fn */
1680 unsigned repo_available_p : 1; /* var or fn */
1681 unsigned threadprivate_or_deleted_p : 1; /* var or fn */
1682 unsigned anticipated_p : 1; /* fn or type */
1683 unsigned friend_attr : 1; /* fn or type */
1684 unsigned template_conv_p : 1; /* template only? */
1685 unsigned odr_used : 1; /* var or fn */
1690 /* True for DECL codes which have template info and access. */
1691 #define LANG_DECL_HAS_MIN(NODE) \
1692 (TREE_CODE (NODE) == FUNCTION_DECL \
1693 || TREE_CODE (NODE) == FIELD_DECL \
1694 || TREE_CODE (NODE) == VAR_DECL \
1695 || TREE_CODE (NODE) == CONST_DECL \
1696 || TREE_CODE (NODE) == TYPE_DECL \
1697 || TREE_CODE (NODE) == TEMPLATE_DECL \
1698 || TREE_CODE (NODE) == USING_DECL)
1700 /* DECL_LANG_SPECIFIC for the above codes. */
1702 struct GTY(()) lang_decl_min {
1703 struct lang_decl_base base;
1705 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1707 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1708 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1709 DECL_TEMPLATE_INFO. */
1712 union lang_decl_u2 {
1713 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1714 THUNK_VIRTUAL_OFFSET.
1715 Otherwise this is DECL_ACCESS. */
1716 tree GTY ((tag ("0"))) access;
1718 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1719 int GTY ((tag ("1"))) discriminator;
1720 } GTY ((desc ("%0.u.base.u2sel"))) u2;
1723 /* Additional DECL_LANG_SPECIFIC information for functions. */
1725 struct GTY(()) lang_decl_fn {
1726 struct lang_decl_min min;
1728 /* In an overloaded operator, this is the value of
1729 DECL_OVERLOADED_OPERATOR_P. */
1730 ENUM_BITFIELD (tree_code) operator_code : 16;
1732 unsigned global_ctor_p : 1;
1733 unsigned global_dtor_p : 1;
1734 unsigned constructor_attr : 1;
1735 unsigned destructor_attr : 1;
1736 unsigned assignment_operator_p : 1;
1737 unsigned static_function : 1;
1738 unsigned pure_virtual : 1;
1739 unsigned defaulted_p : 1;
1741 unsigned has_in_charge_parm_p : 1;
1742 unsigned has_vtt_parm_p : 1;
1743 unsigned pending_inline_p : 1;
1744 unsigned nonconverting : 1;
1745 unsigned thunk_p : 1;
1746 unsigned this_thunk_p : 1;
1747 unsigned hidden_friend_p : 1;
1750 /* For a non-thunk function decl, this is a tree list of
1751 friendly classes. For a thunk function decl, it is the
1752 thunked to function decl. */
1753 tree befriending_classes;
1755 /* For a non-virtual FUNCTION_DECL, this is
1756 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1757 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1758 this pointer and result pointer adjusting thunks are
1759 chained here. This pointer thunks to return pointer thunks
1760 will be chained on the return pointer thunk. */
1765 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is
1766 DECL_CLONED_FUNCTION. */
1767 tree GTY ((tag ("0"))) cloned_function;
1769 /* In a FUNCTION_DECL for which THUNK_P holds this is the
1770 THUNK_FIXED_OFFSET. */
1771 HOST_WIDE_INT GTY ((tag ("1"))) fixed_offset;
1772 } GTY ((desc ("%1.thunk_p"))) u5;
1776 struct cp_token_cache * GTY ((tag ("1"))) pending_inline_info;
1777 struct language_function * GTY ((tag ("0")))
1778 saved_language_function;
1779 } GTY ((desc ("%1.pending_inline_p"))) u;
1783 /* DECL_LANG_SPECIFIC for namespaces. */
1785 struct GTY(()) lang_decl_ns {
1786 struct lang_decl_base base;
1787 struct cp_binding_level *level;
1790 /* DECL_LANG_SPECIFIC for parameters. */
1792 struct GTY(()) lang_decl_parm {
1793 struct lang_decl_base base;
1797 /* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a
1798 union rather than a struct containing a union as its only field, but
1799 tree.h declares it as a struct. */
1801 struct GTY(()) lang_decl {
1802 union GTY((desc ("%h.base.selector"))) lang_decl_u {
1803 struct lang_decl_base GTY ((default)) base;
1804 struct lang_decl_min GTY((tag ("0"))) min;
1805 struct lang_decl_fn GTY ((tag ("1"))) fn;
1806 struct lang_decl_ns GTY((tag ("2"))) ns;
1807 struct lang_decl_parm GTY((tag ("3"))) parm;
1811 /* Looks through a template (if present) to find what it declares. */
1812 #define STRIP_TEMPLATE(NODE) \
1813 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE)
1815 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1817 #define LANG_DECL_MIN_CHECK(NODE) __extension__ \
1818 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1819 if (!LANG_DECL_HAS_MIN (NODE)) \
1820 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1823 /* We want to be able to check DECL_CONSTRUCTOR_P and such on a function
1824 template, not just on a FUNCTION_DECL. So when looking for things in
1825 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */
1826 #define LANG_DECL_FN_CHECK(NODE) __extension__ \
1827 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \
1828 if (!DECL_DECLARES_FUNCTION_P (NODE) || lt->u.base.selector != 1) \
1829 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1832 #define LANG_DECL_NS_CHECK(NODE) __extension__ \
1833 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1834 if (TREE_CODE (NODE) != NAMESPACE_DECL || lt->u.base.selector != 2) \
1835 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1838 #define LANG_DECL_PARM_CHECK(NODE) __extension__ \
1839 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1840 if (TREE_CODE (NODE) != PARM_DECL) \
1841 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1844 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1845 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1846 if (!LANG_DECL_HAS_MIN (NODE) || lt->u.base.u2sel != TF) \
1847 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1852 #define LANG_DECL_MIN_CHECK(NODE) \
1853 (&DECL_LANG_SPECIFIC (NODE)->u.min)
1855 #define LANG_DECL_FN_CHECK(NODE) \
1856 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn)
1858 #define LANG_DECL_NS_CHECK(NODE) \
1859 (&DECL_LANG_SPECIFIC (NODE)->u.ns)
1861 #define LANG_DECL_PARM_CHECK(NODE) \
1862 (&DECL_LANG_SPECIFIC (NODE)->u.parm)
1864 #define LANG_DECL_U2_CHECK(NODE, TF) \
1865 (&DECL_LANG_SPECIFIC (NODE)->u.min.u2)
1867 #endif /* ENABLE_TREE_CHECKING */
1869 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1870 declaration. Some entities (like a member function in a local
1871 class, or a local variable) do not have linkage at all, and this
1872 macro should not be used in those cases.
1874 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1875 created by language-independent code, and has C linkage. Most
1876 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1877 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1878 #define DECL_LANGUAGE(NODE) \
1879 (DECL_LANG_SPECIFIC (NODE) \
1880 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \
1881 : (TREE_CODE (NODE) == FUNCTION_DECL \
1882 ? lang_c : lang_cplusplus))
1884 /* Set the language linkage for NODE to LANGUAGE. */
1885 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1886 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE))
1888 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1889 #define DECL_CONSTRUCTOR_P(NODE) \
1890 (LANG_DECL_FN_CHECK (NODE)->constructor_attr)
1892 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1894 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1895 (DECL_CONSTRUCTOR_P (NODE) \
1896 && DECL_NAME (NODE) == complete_ctor_identifier)
1898 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1900 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1901 (DECL_CONSTRUCTOR_P (NODE) \
1902 && DECL_NAME (NODE) == base_ctor_identifier)
1904 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1905 specialized in-charge constructor or the specialized not-in-charge
1907 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1908 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \
1909 && !DECL_CLONED_FUNCTION_P (NODE))
1911 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1912 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1913 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1915 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
1916 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
1917 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
1919 /* Nonzero if NODE is a destructor. */
1920 #define DECL_DESTRUCTOR_P(NODE) \
1921 (LANG_DECL_FN_CHECK (NODE)->destructor_attr)
1923 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1924 specialized in-charge constructor, in-charge deleting constructor,
1925 or the base destructor. */
1926 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1927 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_DESTRUCTOR_P (NODE) \
1928 && !DECL_CLONED_FUNCTION_P (NODE))
1930 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1932 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1933 (DECL_DESTRUCTOR_P (NODE) \
1934 && DECL_NAME (NODE) == complete_dtor_identifier)
1936 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1938 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1939 (DECL_DESTRUCTOR_P (NODE) \
1940 && DECL_NAME (NODE) == base_dtor_identifier)
1942 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1943 object that deletes the object after it has been destroyed. */
1944 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1945 (DECL_DESTRUCTOR_P (NODE) \
1946 && DECL_NAME (NODE) == deleting_dtor_identifier)
1948 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1950 #define DECL_CLONED_FUNCTION_P(NODE) (!!decl_cloned_function_p (NODE, true))
1952 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1954 #define DECL_CLONED_FUNCTION(NODE) (*decl_cloned_function_p (NODE, false))
1956 /* Perform an action for each clone of FN, if FN is a function with
1957 clones. This macro should be used like:
1959 FOR_EACH_CLONE (clone, fn)
1963 #define FOR_EACH_CLONE(CLONE, FN) \
1964 if (TREE_CODE (FN) == FUNCTION_DECL \
1965 && (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \
1966 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \
1967 for (CLONE = TREE_CHAIN (FN); \
1968 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
1969 CLONE = TREE_CHAIN (CLONE))
1971 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1972 #define DECL_DISCRIMINATOR_P(NODE) \
1973 (TREE_CODE (NODE) == VAR_DECL \
1974 && DECL_FUNCTION_SCOPE_P (NODE))
1976 /* Discriminator for name mangling. */
1977 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1979 /* The index of a user-declared parameter in its function, starting at 1.
1980 All artificial parameters will have index 0. */
1981 #define DECL_PARM_INDEX(NODE) \
1982 (LANG_DECL_PARM_CHECK (NODE)->index)
1984 /* Nonzero if the VTT parm has been added to NODE. */
1985 #define DECL_HAS_VTT_PARM_P(NODE) \
1986 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p)
1988 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1990 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1991 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \
1992 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1993 || DECL_BASE_DESTRUCTOR_P (NODE)))
1995 /* Nonzero if NODE is a user-defined conversion operator. */
1996 #define DECL_CONV_FN_P(NODE) \
1997 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1999 /* If FN is a conversion operator, the type to which it converts.
2000 Otherwise, NULL_TREE. */
2001 #define DECL_CONV_FN_TYPE(FN) \
2002 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
2004 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
2005 conversion operator to a type dependent on the innermost template
2007 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
2008 (DECL_LANG_SPECIFIC (TEMPLATE_DECL_CHECK (NODE))->u.base.template_conv_p)
2010 /* Set the overloaded operator code for NODE to CODE. */
2011 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
2012 (LANG_DECL_FN_CHECK (NODE)->operator_code = (CODE))
2014 /* If NODE is an overloaded operator, then this returns the TREE_CODE
2015 associated with the overloaded operator.
2016 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
2017 whether or not NODE is an assignment operator. If NODE is not an
2018 overloaded operator, ERROR_MARK is returned. Since the numerical
2019 value of ERROR_MARK is zero, this macro can be used as a predicate
2020 to test whether or not NODE is an overloaded operator. */
2021 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
2022 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
2023 ? LANG_DECL_FN_CHECK (NODE)->operator_code : ERROR_MARK)
2025 /* Nonzero if NODE is an assignment operator (including += and such). */
2026 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
2027 (LANG_DECL_FN_CHECK (NODE)->assignment_operator_p)
2029 /* For FUNCTION_DECLs: nonzero means that this function is a
2030 constructor or a destructor with an extra in-charge parameter to
2031 control whether or not virtual bases are constructed. */
2032 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
2033 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p)
2035 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
2036 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
2037 (TREE_CODE (NODE) == FUNCTION_DECL \
2038 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
2039 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
2041 /* Nonzero for _DECL means that this decl appears in (or will appear
2042 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
2043 detecting circularity in case members are multiply defined. In the
2044 case of a VAR_DECL, it is also used to determine how program storage
2045 should be allocated. */
2046 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
2048 /* Nonzero for a VAR_DECL means that the variable's initialization (if
2049 any) has been processed. (In general, DECL_INITIALIZED_P is
2050 !DECL_EXTERN, but static data members may be initialized even if
2052 #define DECL_INITIALIZED_P(NODE) \
2053 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
2055 /* Nonzero for a VAR_DECL iff an explicit initializer was provided. */
2056 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
2057 (TREE_LANG_FLAG_3 (VAR_DECL_CHECK (NODE)))
2059 /* Nonzero for a VAR_DECL that was initialized with a
2060 constant-expression. */
2061 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
2062 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
2064 /* Nonzero for a VAR_DECL that can be used in an integral constant
2069 An integral constant-expression can only involve ... const
2070 variables of static or enumeration types initialized with
2071 constant expressions ...
2073 The standard does not require that the expression be non-volatile.
2074 G++ implements the proposed correction in DR 457. */
2075 #define DECL_INTEGRAL_CONSTANT_VAR_P(NODE) \
2076 (TREE_CODE (NODE) == VAR_DECL \
2077 && CP_TYPE_CONST_NON_VOLATILE_P (TREE_TYPE (NODE)) \
2078 && INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (NODE)) \
2079 && DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (NODE))
2081 /* Nonzero if the DECL was initialized in the class definition itself,
2082 rather than outside the class. This is used for both static member
2083 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
2084 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
2085 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
2086 ->u.base.initialized_in_class)
2088 /* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr].
2089 Only available for decls with DECL_LANG_SPECIFIC. */
2090 #define DECL_ODR_USED(DECL) \
2091 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \
2094 /* Nonzero for DECL means that this decl is just a friend declaration,
2095 and should not be added to the list of members for this class. */
2096 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.friend_attr)
2098 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
2099 #define DECL_BEFRIENDING_CLASSES(NODE) \
2100 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
2102 /* Nonzero for FUNCTION_DECL means that this decl is a static
2104 #define DECL_STATIC_FUNCTION_P(NODE) \
2105 (LANG_DECL_FN_CHECK (NODE)->static_function)
2107 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
2109 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
2110 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
2112 /* Nonzero for FUNCTION_DECL means that this decl is a member function
2113 (static or non-static). */
2114 #define DECL_FUNCTION_MEMBER_P(NODE) \
2115 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
2117 /* Nonzero for FUNCTION_DECL means that this member function
2118 has `this' as const X *const. */
2119 #define DECL_CONST_MEMFUNC_P(NODE) \
2120 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2121 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
2122 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
2124 /* Nonzero for FUNCTION_DECL means that this member function
2125 has `this' as volatile X *const. */
2126 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
2127 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2128 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
2129 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
2131 /* Nonzero for a DECL means that this member is a non-static member. */
2132 #define DECL_NONSTATIC_MEMBER_P(NODE) \
2133 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
2134 || TREE_CODE (NODE) == FIELD_DECL)
2136 /* Nonzero for _DECL means that this member object type
2138 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
2140 /* Nonzero for _DECL means that this constructor or conversion function is
2142 #define DECL_NONCONVERTING_P(NODE) \
2143 (LANG_DECL_FN_CHECK (NODE)->nonconverting)
2145 /* Nonzero for FUNCTION_DECL means that this member function is a pure
2146 virtual function. */
2147 #define DECL_PURE_VIRTUAL_P(NODE) \
2148 (LANG_DECL_FN_CHECK (NODE)->pure_virtual)
2150 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
2151 invalid overrider for a function from a base class. Once we have
2152 complained about an invalid overrider we avoid complaining about it
2154 #define DECL_INVALID_OVERRIDER_P(NODE) \
2155 (DECL_LANG_FLAG_4 (NODE))
2157 /* The thunks associated with NODE, a FUNCTION_DECL. */
2158 #define DECL_THUNKS(NODE) \
2159 (LANG_DECL_FN_CHECK (NODE)->context)
2161 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
2162 #define DECL_THUNK_P(NODE) \
2163 (TREE_CODE (NODE) == FUNCTION_DECL \
2164 && DECL_LANG_SPECIFIC (NODE) \
2165 && LANG_DECL_FN_CHECK (NODE)->thunk_p)
2167 /* Set DECL_THUNK_P for node. */
2168 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
2169 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \
2170 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING))
2172 /* Nonzero if NODE is a this pointer adjusting thunk. */
2173 #define DECL_THIS_THUNK_P(NODE) \
2174 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
2176 /* Nonzero if NODE is a result pointer adjusting thunk. */
2177 #define DECL_RESULT_THUNK_P(NODE) \
2178 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p)
2180 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
2181 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
2182 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
2184 /* Nonzero if NODE is `extern "C"'. */
2185 #define DECL_EXTERN_C_P(NODE) \
2186 (DECL_LANGUAGE (NODE) == lang_c)
2188 /* Nonzero if NODE is an `extern "C"' function. */
2189 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
2190 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
2192 /* True iff DECL is an entity with vague linkage whose definition is
2193 available in this translation unit. */
2194 #define DECL_REPO_AVAILABLE_P(NODE) \
2195 (DECL_LANG_SPECIFIC (NODE)->u.base.repo_available_p)
2197 /* True if DECL is declared 'constexpr'. */
2198 #define DECL_DECLARED_CONSTEXPR_P(DECL) \
2199 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (DECL))
2201 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
2202 template function. */
2203 #define DECL_PRETTY_FUNCTION_P(NODE) \
2204 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
2206 /* The _TYPE context in which this _DECL appears. This field holds the
2207 class where a virtual function instance is actually defined. */
2208 #define DECL_CLASS_CONTEXT(NODE) \
2209 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
2211 /* For a non-member friend function, the class (if any) in which this
2212 friend was defined. For example, given:
2214 struct S { friend void f (); };
2216 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
2217 #define DECL_FRIEND_CONTEXT(NODE) \
2218 ((DECL_DECLARES_FUNCTION_P (NODE) \
2219 && DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
2220 ? LANG_DECL_FN_CHECK (NODE)->context \
2223 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
2224 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
2225 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT))
2227 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
2228 #define CP_DECL_CONTEXT(NODE) \
2229 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
2230 #define CP_TYPE_CONTEXT(NODE) \
2231 (TYPE_CONTEXT (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
2232 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
2234 /* 1 iff NODE has namespace scope, including the global namespace. */
2235 #define DECL_NAMESPACE_SCOPE_P(NODE) \
2236 (!DECL_TEMPLATE_PARM_P (NODE) \
2237 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
2239 #define TYPE_NAMESPACE_SCOPE_P(NODE) \
2240 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
2242 /* 1 iff NODE is a class member. */
2243 #define DECL_CLASS_SCOPE_P(NODE) \
2244 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
2246 #define TYPE_CLASS_SCOPE_P(NODE) \
2247 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
2249 /* 1 iff NODE is function-local. */
2250 #define DECL_FUNCTION_SCOPE_P(NODE) \
2251 (DECL_CONTEXT (NODE) \
2252 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
2254 #define TYPE_FUNCTION_SCOPE_P(NODE) \
2255 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
2257 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
2258 both the primary typeinfo object and the associated NTBS name. */
2259 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
2261 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
2262 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
2264 /* Returns 1 iff VAR_DECL is a construction virtual table.
2265 DECL_VTABLE_OR_VTT_P will be true in this case and must be checked
2266 before using this macro. */
2267 #define DECL_CONSTRUCTION_VTABLE_P(NODE) \
2268 TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE))
2270 /* 1 iff NODE is function-local, but for types. */
2271 #define LOCAL_CLASS_P(NODE) \
2272 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
2274 /* For a NAMESPACE_DECL: the list of using namespace directives
2275 The PURPOSE is the used namespace, the value is the namespace
2276 that is the common ancestor. */
2277 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
2279 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2280 of a namespace, to record the transitive closure of using namespace. */
2281 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2283 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2284 themselves with this one. */
2285 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2286 (NAMESPACE_DECL_CHECK (NODE)->decl_non_common.saved_tree)
2288 /* In a NAMESPACE_DECL, points to the original namespace if this is
2289 a namespace alias. */
2290 #define DECL_NAMESPACE_ALIAS(NODE) \
2291 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2292 #define ORIGINAL_NAMESPACE(NODE) \
2293 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2295 /* Nonzero if NODE is the std namespace. */
2296 #define DECL_NAMESPACE_STD_P(NODE) \
2297 (TREE_CODE (NODE) == NAMESPACE_DECL \
2298 && CP_DECL_CONTEXT (NODE) == global_namespace \
2299 && DECL_NAME (NODE) == std_identifier)
2301 /* In a TREE_LIST concatenating using directives, indicate indirect
2303 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0)
2305 /* In a TREE_LIST in an attribute list, indicates that the attribute
2306 must be applied at instantiation time. */
2307 #define ATTR_IS_DEPENDENT(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0)
2309 extern tree decl_shadowed_for_var_lookup (tree);
2310 extern void decl_shadowed_for_var_insert (tree, tree);
2312 /* Non zero if this is a using decl for a dependent scope. */
2313 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
2315 /* The scope named in a using decl. */
2316 #define USING_DECL_SCOPE(NODE) TREE_TYPE (USING_DECL_CHECK (NODE))
2318 /* The decls named by a using decl. */
2319 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
2321 /* In a VAR_DECL, true if we have a shadowed local variable
2322 in the shadowed var table for this VAR_DECL. */
2323 #define DECL_HAS_SHADOWED_FOR_VAR_P(NODE) \
2324 (VAR_DECL_CHECK (NODE)->decl_with_vis.shadowed_for_var_p)
2326 /* In a VAR_DECL for a variable declared in a for statement,
2327 this is the shadowed (local) variable. */
2328 #define DECL_SHADOWED_FOR_VAR(NODE) \
2329 (DECL_HAS_SHADOWED_FOR_VAR_P(NODE) ? decl_shadowed_for_var_lookup (NODE) : NULL)
2331 #define SET_DECL_SHADOWED_FOR_VAR(NODE, VAL) \
2332 (decl_shadowed_for_var_insert (NODE, VAL))
2334 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2335 the class definition. We have saved away the text of the function,
2336 but have not yet processed it. */
2337 #define DECL_PENDING_INLINE_P(NODE) \
2338 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p)
2340 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2342 #define DECL_PENDING_INLINE_INFO(NODE) \
2343 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info)
2345 /* For a class type: if this structure has many fields, we'll sort them
2346 and put them into a TREE_VEC. */
2347 #define CLASSTYPE_SORTED_FIELDS(NODE) \
2348 (LANG_TYPE_CLASS_CHECK (NODE)->sorted_fields)
2350 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL or
2351 TEMPLATE_DECL, the entity is either a template specialization (if
2352 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
2355 In either case, DECL_TEMPLATE_INFO is a TREE_LIST, whose
2356 TREE_PURPOSE is the TEMPLATE_DECL of which this entity is a
2357 specialization or abstract instance. The TREE_VALUE is the
2358 template arguments used to specialize the template.
2362 template <typename T> struct S { friend void f(T) {} };
2364 In this case, S<int>::f is, from the point of view of the compiler,
2365 an instantiation of a template -- but, from the point of view of
2366 the language, each instantiation of S results in a wholly unrelated
2367 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
2368 will be non-NULL, but DECL_USE_TEMPLATE will be zero. */
2369 #define DECL_TEMPLATE_INFO(NODE) \
2370 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2371 ->u.min.template_info)
2373 /* For a VAR_DECL, indicates that the variable is actually a
2374 non-static data member of anonymous union that has been promoted to
2376 #define DECL_ANON_UNION_VAR_P(NODE) \
2377 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2379 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2380 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2381 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2383 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2384 not be a primary template, it may be declared within the scope of a
2385 primary template and the enumeration constants may depend on
2386 non-type template parameters. */
2387 #define ENUM_TEMPLATE_INFO(NODE) \
2388 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2390 /* Template information for a template template parameter. */
2391 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2392 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2395 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2396 #define TYPE_TEMPLATE_INFO(NODE) \
2397 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2398 ? ENUM_TEMPLATE_INFO (NODE) : \
2399 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2400 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2401 (TYPE_LANG_SPECIFIC (NODE) \
2402 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2405 /* Set the template information for an ENUMERAL_, RECORD_, or
2406 UNION_TYPE to VAL. */
2407 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2408 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2409 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2410 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2412 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2413 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2414 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2415 /* The list of typedefs - used in the template - that need
2416 access checking at template instantiation time. */
2417 #define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) (TREE_CHAIN (NODE))
2419 /* We use TREE_VECs to hold template arguments. If there is only one
2420 level of template arguments, then the TREE_VEC contains the
2421 arguments directly. If there is more than one level of template
2422 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2423 containing the template arguments for a single level. The first
2424 entry in the outer TREE_VEC is the outermost level of template
2425 parameters; the last is the innermost.
2427 It is incorrect to ever form a template argument vector containing
2428 only one level of arguments, but which is a TREE_VEC containing as
2429 its only entry the TREE_VEC for that level. */
2431 /* Nonzero if the template arguments is actually a vector of vectors,
2432 rather than just a vector. */
2433 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2434 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \
2435 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2437 /* The depth of a template argument vector. When called directly by
2438 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2439 template arguments. In fact, we may even see NULL_TREE if there
2440 are no template arguments. In both of those cases, there is only
2441 one level of template arguments. */
2442 #define TMPL_ARGS_DEPTH(NODE) \
2443 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2445 /* The LEVELth level of the template ARGS. The outermost level of
2446 args is level 1, not level 0. */
2447 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2448 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2449 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2451 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2452 not work with single-level argument vectors. */
2453 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2454 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2456 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2457 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2458 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2460 /* Given a single level of template arguments in NODE, return the
2461 number of arguments. */
2462 #define NUM_TMPL_ARGS(NODE) \
2463 (TREE_VEC_LENGTH (NODE))
2465 /* Returns the innermost level of template arguments in ARGS. */
2466 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2467 (get_innermost_template_args ((NODE), 1))
2469 /* The number of levels of template parameters given by NODE. */
2470 #define TMPL_PARMS_DEPTH(NODE) \
2471 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2473 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2474 TEMPLATE_DECL will be the immediate parent, not the most general
2475 template. For example, in:
2477 template <class T> struct S { template <class U> void f(U); }
2479 the FUNCTION_DECL for S<int>::f<double> will have, as its
2480 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2482 As a special case, for a member friend template of a template
2483 class, this value will not be a TEMPLATE_DECL, but rather an
2484 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2485 any explicit template arguments provided. For example, in:
2487 template <class T> struct S { friend void f<int>(int, double); }
2489 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2490 DECL_TI_ARGS will be {int}. */
2491 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2493 /* The template arguments used to obtain this decl from the most
2494 general form of DECL_TI_TEMPLATE. For the example given for
2495 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2496 are always the full set of arguments required to instantiate this
2497 declaration from the most general template specialized here. */
2498 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2500 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
2501 will be generated from a partial specialization, the TEMPLATE_DECL
2502 referred to here will be the original template. For example,
2505 template <typename T> struct S {};
2506 template <typename T> struct S<T*> {};
2508 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>. */
2509 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2510 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2512 /* For a template instantiation TYPE, returns the TYPE corresponding
2513 to the primary template. Otherwise returns TYPE itself. */
2514 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2515 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
2516 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2517 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2518 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2521 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
2522 #define TYPE_TI_TEMPLATE(NODE) \
2523 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2525 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2526 #define TYPE_TI_ARGS(NODE) \
2527 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2529 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2531 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
2532 sense of [temp.mem]. */
2533 #define DECL_MEMBER_TEMPLATE_P(NODE) \
2534 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
2536 /* Nonzero if the NODE corresponds to the template parameters for a
2537 member template, whose inline definition is being processed after
2538 the class definition is complete. */
2539 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2541 /* Determine if a parameter (i.e., a PARM_DECL) is a function
2543 #define FUNCTION_PARAMETER_PACK_P(NODE) \
2544 (DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE)))
2546 /* Determines if NODE is an expansion of one or more parameter packs,
2547 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
2548 #define PACK_EXPANSION_P(NODE) \
2549 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
2550 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
2552 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
2553 EXPR_PACK_EXPANSION. */
2554 #define PACK_EXPANSION_PATTERN(NODE) \
2555 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION? TREE_TYPE (NODE) \
2556 : TREE_OPERAND (NODE, 0))
2558 /* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or
2559 EXPR_PACK_EXPANSION. */
2560 #define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \
2561 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \
2562 TREE_TYPE (NODE) = VALUE; \
2564 TREE_OPERAND (NODE, 0) = VALUE
2566 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
2567 TREE_VALUE of each TREE_LIST contains the parameter packs. */
2568 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) TREE_CHAIN (NODE)
2570 /* Determine if this is an argument pack. */
2571 #define ARGUMENT_PACK_P(NODE) \
2572 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
2573 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
2575 /* The arguments stored in an argument pack. Arguments are stored in a
2576 TREE_VEC, which may have length zero. */
2577 #define ARGUMENT_PACK_ARGS(NODE) \
2578 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \
2579 : TREE_OPERAND (NODE, 0))
2581 /* Set the arguments stored in an argument pack. VALUE must be a
2583 #define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \
2584 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \
2585 TREE_TYPE (NODE) = VALUE; \
2587 TREE_OPERAND (NODE, 0) = VALUE
2589 /* Whether the argument pack is "incomplete", meaning that more
2590 arguments can still be deduced. Incomplete argument packs are only
2591 used when the user has provided an explicit template argument list
2592 for a variadic function template. Some of the explicit template
2593 arguments will be placed into the beginning of the argument pack,
2594 but additional arguments might still be deduced. */
2595 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
2596 TREE_LANG_FLAG_0 (ARGUMENT_PACK_ARGS (NODE))
2598 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
2599 arguments used to fill this pack. */
2600 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
2601 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
2603 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
2604 argument will be selected. */
2605 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
2606 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
2608 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
2610 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
2611 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
2613 /* In an ARGUMENT_PACK_SELECT, the actual underlying argument that the
2614 ARGUMENT_PACK_SELECT represents. */
2615 #define ARGUMENT_PACK_SELECT_ARG(NODE) \
2616 TREE_VEC_ELT (ARGUMENT_PACK_ARGS (ARGUMENT_PACK_SELECT_FROM_PACK (NODE)), \
2617 ARGUMENT_PACK_SELECT_INDEX (NODE));
2619 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2620 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2621 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \
2622 ->u.saved_language_function)
2624 /* Indicates an indirect_expr is for converting a reference. */
2625 #define REFERENCE_REF_P(NODE) \
2626 TREE_LANG_FLAG_0 (INDIRECT_REF_CHECK (NODE))
2628 #define NEW_EXPR_USE_GLOBAL(NODE) \
2629 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
2630 #define DELETE_EXPR_USE_GLOBAL(NODE) \
2631 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
2632 #define DELETE_EXPR_USE_VEC(NODE) \
2633 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
2635 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2636 resolve to a function call. */
2637 #define COMPOUND_EXPR_OVERLOADED(NODE) \
2638 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
2640 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2641 should be performed at instantiation time. */
2642 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
2644 /* Indicates whether a string literal has been parenthesized. Such
2645 usages are disallowed in certain circumstances. */
2647 #define PAREN_STRING_LITERAL_P(NODE) \
2648 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
2650 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2651 constructor call, rather than an ordinary function call. */
2652 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2653 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2655 /* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize
2657 #define AGGR_INIT_ZERO_FIRST(NODE) \
2658 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE))
2660 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
2661 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
2662 CALL_EXPR_STATIC_CHAIN). */
2664 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
2665 #define AGGR_INIT_EXPR_SLOT(NODE) \
2666 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
2667 #define AGGR_INIT_EXPR_ARG(NODE, I) \
2668 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
2669 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
2671 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
2672 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
2673 the argument count is zero when checking is enabled. Instead, do
2674 the pointer arithmetic to advance past the 3 fixed operands in a
2675 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
2676 the operand array, even if it's not valid to dereference it. */
2677 #define AGGR_INIT_EXPR_ARGP(NODE) \
2678 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
2680 /* Abstract iterators for AGGR_INIT_EXPRs. */
2682 /* Structure containing iterator state. */
2683 typedef struct GTY (()) aggr_init_expr_arg_iterator_d {
2684 tree t; /* the aggr_init_expr */
2685 int n; /* argument count */
2686 int i; /* next argument index */
2687 } aggr_init_expr_arg_iterator;
2689 /* Initialize the abstract argument list iterator object ITER with the
2690 arguments from AGGR_INIT_EXPR node EXP. */
2692 init_aggr_init_expr_arg_iterator (tree exp,
2693 aggr_init_expr_arg_iterator *iter)
2696 iter->n = aggr_init_expr_nargs (exp);
2700 /* Return the next argument from abstract argument list iterator object ITER,
2701 and advance its state. Return NULL_TREE if there are no more arguments. */
2703 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator *iter)
2706 if (iter->i >= iter->n)
2708 result = AGGR_INIT_EXPR_ARG (iter->t, iter->i);
2713 /* Initialize the abstract argument list iterator object ITER, then advance
2714 past and return the first argument. Useful in for expressions, e.g.
2715 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
2716 arg = next_aggr_init_expr_arg (&iter)) */
2718 first_aggr_init_expr_arg (tree exp, aggr_init_expr_arg_iterator *iter)
2720 init_aggr_init_expr_arg_iterator (exp, iter);
2721 return next_aggr_init_expr_arg (iter);
2724 /* Test whether there are more arguments in abstract argument list iterator
2725 ITER, without changing its state. */
2727 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter)
2729 return (iter->i < iter->n);
2732 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
2733 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
2734 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
2735 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
2736 (arg) = next_aggr_init_expr_arg (&(iter)))
2738 /* VEC_INIT_EXPR accessors. */
2739 #define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (NODE, 0)
2740 #define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (NODE, 1)
2742 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2743 TEMPLATE_DECL. This macro determines whether or not a given class
2744 type is really a template type, as opposed to an instantiation or
2745 specialization of one. */
2746 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2747 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2748 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2749 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2751 /* The name used by the user to name the typename type. Typically,
2752 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2753 corresponding TYPE_DECL. However, this may also be a
2754 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2755 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values
2757 /* True if a TYPENAME_TYPE was declared as an "enum". */
2758 #define TYPENAME_IS_ENUM_P(NODE) \
2759 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
2761 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
2763 #define TYPENAME_IS_CLASS_P(NODE) \
2764 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
2766 /* True if a TYPENAME_TYPE is in the process of being resolved. */
2767 #define TYPENAME_IS_RESOLVING_P(NODE) \
2768 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
2770 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2771 using a twos-complement negated operand. */
2772 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2776 A class that declares or inherits a virtual function is called a
2777 polymorphic class. */
2778 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2780 /* Nonzero if this class has a virtual function table pointer. */
2781 #define TYPE_CONTAINS_VPTR_P(NODE) \
2782 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
2784 /* This flag is true of a local VAR_DECL if it was declared in a for
2785 statement, but we are no longer in the scope of the for. */
2786 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2788 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2789 if we already emitted a warning about using it. */
2790 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2792 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2793 scope) declared in a local scope. */
2794 #define DECL_LOCAL_FUNCTION_P(NODE) \
2795 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2797 /* Nonzero if NODE is a DECL which we know about but which has not
2798 been explicitly declared, such as a built-in function or a friend
2799 declared inside a class. In the latter case DECL_HIDDEN_FRIEND_P
2801 #define DECL_ANTICIPATED(NODE) \
2802 (DECL_LANG_SPECIFIC (DECL_COMMON_CHECK (NODE))->u.base.anticipated_p)
2804 /* Nonzero if NODE is a FUNCTION_DECL which was declared as a friend
2805 within a class but has not been declared in the surrounding scope.
2806 The function is invisible except via argument dependent lookup. */
2807 #define DECL_HIDDEN_FRIEND_P(NODE) \
2808 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->hidden_friend_p)
2810 /* Nonzero if DECL has been declared threadprivate by
2811 #pragma omp threadprivate. */
2812 #define CP_DECL_THREADPRIVATE_P(DECL) \
2813 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
2815 /* Nonzero if DECL was declared with '= delete'. */
2816 #define DECL_DELETED_FN(DECL) \
2817 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
2819 /* Nonzero if DECL was declared with '= default'. */
2820 #define DECL_DEFAULTED_FN(DECL) \
2821 (LANG_DECL_FN_CHECK (DECL)->defaulted_p)
2823 /* Record whether a typedef for type `int' was actually `signed int'. */
2824 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2826 /* Returns nonzero if DECL has external linkage, as specified by the
2827 language standard. (This predicate may hold even when the
2828 corresponding entity is not actually given external linkage in the
2829 object file; see decl_linkage for details.) */
2830 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2831 (decl_linkage (DECL) == lk_external)
2833 /* Keep these codes in ascending code order. */
2835 #define INTEGRAL_CODE_P(CODE) \
2836 ((CODE) == ENUMERAL_TYPE \
2837 || (CODE) == BOOLEAN_TYPE \
2838 || (CODE) == INTEGER_TYPE)
2840 /* [basic.fundamental]
2842 Types bool, char, wchar_t, and the signed and unsigned integer types
2843 are collectively called integral types.
2845 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2846 types as well, which is incorrect in C++. Keep these checks in
2847 ascending code order. */
2848 #define CP_INTEGRAL_TYPE_P(TYPE) \
2849 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2850 || TREE_CODE (TYPE) == INTEGER_TYPE)
2852 /* Returns true if TYPE is an integral or enumeration name. Keep
2853 these checks in ascending code order. */
2854 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2855 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
2857 /* Returns true if TYPE is an integral or unscoped enumeration type. */
2858 #define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
2859 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
2861 /* True if the class type TYPE is a literal type. */
2862 #define CLASSTYPE_LITERAL_P(TYPE) \
2863 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
2865 /* [basic.fundamental]
2867 Integral and floating types are collectively called arithmetic
2870 As a GNU extension, we also accept complex types.
2872 Keep these checks in ascending code order. */
2873 #define ARITHMETIC_TYPE_P(TYPE) \
2874 (CP_INTEGRAL_TYPE_P (TYPE) \
2875 || TREE_CODE (TYPE) == REAL_TYPE \
2876 || TREE_CODE (TYPE) == COMPLEX_TYPE)
2880 Arithmetic types, enumeration types, pointer types, and
2881 pointer-to-member types, are collectively called scalar types.
2883 Keep these checks in ascending code order. */
2884 #define SCALAR_TYPE_P(TYPE) \
2885 (TYPE_PTRMEM_P (TYPE) \
2886 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2887 || ARITHMETIC_TYPE_P (TYPE) \
2888 || TYPE_PTR_P (TYPE) \
2889 || TYPE_PTRMEMFUNC_P (TYPE))
2891 /* Determines whether this type is a C++0x scoped enumeration
2892 type. Scoped enumerations types are introduced via "enum class" or
2893 "enum struct", e.g.,
2899 Scoped enumeration types are different from normal (unscoped)
2900 enumeration types in several ways:
2902 - The enumerators of a scoped enumeration type are only available
2903 within the scope of the enumeration type and not in the
2904 enclosing scope. For example, the Red color can be referred to
2905 with "Color::Red" but not "Red".
2907 - Scoped enumerators and enumerations do not implicitly convert
2908 to integers or 'bool'.
2910 - The underlying type of the enum is well-defined. */
2911 #define SCOPED_ENUM_P(TYPE) \
2912 (TREE_CODE (TYPE) == ENUMERAL_TYPE && TYPE_LANG_FLAG_5 (TYPE))
2914 /* Determine whether this is an unscoped enumeration type. */
2915 #define UNSCOPED_ENUM_P(TYPE) \
2916 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !TYPE_LANG_FLAG_5 (TYPE))
2918 /* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
2919 enumeration type (1) or a normal (unscoped) enumeration type
2921 #define SET_SCOPED_ENUM_P(TYPE, VAL) \
2922 (TYPE_LANG_FLAG_5 (ENUMERAL_TYPE_CHECK (TYPE)) = (VAL))
2924 /* Returns the underlying type of the given enumeration type. The
2925 underlying type is determined in different ways, depending on the
2926 properties of the enum:
2928 - In C++0x, the underlying type can be explicitly specified, e.g.,
2930 enum E1 : char { ... } // underlying type is char
2932 - In a C++0x scoped enumeration, the underlying type is int
2933 unless otherwises specified:
2935 enum class E2 { ... } // underlying type is int
2937 - Otherwise, the underlying type is determined based on the
2938 values of the enumerators. In this case, the
2939 ENUM_UNDERLYING_TYPE will not be set until after the definition
2940 of the enumeration is completed by finish_enum. */
2941 #define ENUM_UNDERLYING_TYPE(TYPE) \
2942 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE))
2946 An aggregate is an array or a class with no user-declared
2947 constructors, no private or protected non-static data members, no
2948 base classes, and no virtual functions.
2950 As an extension, we also treat vectors as aggregates. Keep these
2951 checks in ascending code order. */
2952 #define CP_AGGREGATE_TYPE_P(TYPE) \
2953 (TREE_CODE (TYPE) == VECTOR_TYPE \
2954 ||TREE_CODE (TYPE) == ARRAY_TYPE \
2955 || (CLASS_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2957 /* Nonzero for a class type means that the class type has a
2958 user-declared constructor. */
2959 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2961 /* When appearing in an INDIRECT_REF, it means that the tree structure
2962 underneath is actually a call to a constructor. This is needed
2963 when the constructor must initialize local storage (which can
2964 be automatically destroyed), rather than allowing it to allocate
2965 space from the heap.
2967 When appearing in a SAVE_EXPR, it means that underneath
2968 is a call to a constructor.
2970 When appearing in a CONSTRUCTOR, the expression is a
2973 When appearing in a FIELD_DECL, it means that this field
2974 has been duly initialized in its constructor. */
2975 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2977 /* True if NODE is a brace-enclosed initializer. */
2978 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
2979 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
2981 /* True if NODE is a compound-literal, i.e., a brace-enclosed
2982 initializer cast to a particular type. */
2983 #define COMPOUND_LITERAL_P(NODE) \
2984 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
2986 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2987 && VEC_empty (constructor_elt, \
2988 CONSTRUCTOR_ELTS (NODE)) \
2989 && !TREE_HAS_CONSTRUCTOR (NODE))
2991 /* True if NODE is a init-list used as a direct-initializer, i.e.
2992 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
2993 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
2995 /* Nonzero means that an object of this type can not be initialized using
2996 an initializer list. */
2997 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2998 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2999 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
3000 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
3002 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
3003 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
3005 /* Nonzero if there is a user-defined X::X(x&) for this class. */
3006 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
3008 /* Nonzero if there is a user-defined default constructor for this class. */
3009 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
3011 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
3013 A destructor is trivial if it is an implicitly declared
3016 - all of the direct base classes of its class have trivial
3019 - for all of the non-static data members of its class that are
3020 of class type (or array thereof), each such class has a
3021 trivial destructor. */
3022 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
3023 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
3025 /* Nonzero for _TYPE node means that this type does not have a trivial
3026 destructor. Therefore, destroying an object of this type will
3027 involve a call to a destructor. This can apply to objects of
3028 ARRAY_TYPE is the type of the elements needs a destructor. */
3029 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
3030 (TYPE_LANG_FLAG_4 (NODE))
3032 /* Nonzero for class type means that the default constructor is trivial. */
3033 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
3034 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
3036 /* Nonzero for class type means that copy initialization of this type can use
3038 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
3039 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
3041 /* Nonzero for class type means that assignment of this type can use
3043 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
3044 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
3046 /* Returns true if NODE is a pointer-to-data-member. */
3047 #define TYPE_PTRMEM_P(NODE) \
3048 (TREE_CODE (NODE) == OFFSET_TYPE)
3049 /* Returns true if NODE is a pointer. */
3050 #define TYPE_PTR_P(NODE) \
3051 (TREE_CODE (NODE) == POINTER_TYPE)
3053 /* Returns true if NODE is an object type:
3057 An object type is a (possibly cv-qualified) type that is not a
3058 function type, not a reference type, and not a void type.
3060 Keep these checks in ascending order, for speed. */
3061 #define TYPE_OBJ_P(NODE) \
3062 (TREE_CODE (NODE) != REFERENCE_TYPE \
3063 && TREE_CODE (NODE) != VOID_TYPE \
3064 && TREE_CODE (NODE) != FUNCTION_TYPE \
3065 && TREE_CODE (NODE) != METHOD_TYPE)
3067 /* Returns true if NODE is a pointer to an object. Keep these checks
3068 in ascending tree code order. */
3069 #define TYPE_PTROB_P(NODE) \
3070 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
3072 /* Returns true if NODE is a reference to an object. Keep these checks
3073 in ascending tree code order. */
3074 #define TYPE_REF_OBJ_P(NODE) \
3075 (TREE_CODE (NODE) == REFERENCE_TYPE && TYPE_OBJ_P (TREE_TYPE (NODE)))
3077 /* True if reference type NODE is an rvalue reference */
3078 #define TYPE_REF_IS_RVALUE(NODE) \
3079 TREE_LANG_FLAG_0 (REFERENCE_TYPE_CHECK (NODE))
3081 /* Returns true if NODE is a pointer to an object, or a pointer to
3082 void. Keep these checks in ascending tree code order. */
3083 #define TYPE_PTROBV_P(NODE) \
3084 (TYPE_PTR_P (NODE) \
3085 && !(TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
3086 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
3088 /* Returns true if NODE is a pointer to function. */
3089 #define TYPE_PTRFN_P(NODE) \
3090 (TREE_CODE (NODE) == POINTER_TYPE \
3091 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
3093 /* Returns true if NODE is a reference to function. */
3094 #define TYPE_REFFN_P(NODE) \
3095 (TREE_CODE (NODE) == REFERENCE_TYPE \
3096 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
3098 /* Nonzero for _TYPE node means that this type is a pointer to member
3100 #define TYPE_PTRMEMFUNC_P(NODE) \
3101 (TREE_CODE (NODE) == RECORD_TYPE \
3102 && TYPE_LANG_SPECIFIC (NODE) \
3103 && TYPE_PTRMEMFUNC_FLAG (NODE))
3105 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
3106 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
3108 /* Returns true if NODE is a pointer-to-member. */
3109 #define TYPE_PTR_TO_MEMBER_P(NODE) \
3110 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
3112 /* Indicates when overload resolution may resolve to a pointer to
3113 member function. [expr.unary.op]/3 */
3114 #define PTRMEM_OK_P(NODE) \
3115 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF))
3117 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
3118 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
3119 before using this macro. */
3120 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
3121 (TREE_TYPE (TYPE_FIELDS (NODE)))
3123 /* Returns `A' for a type like `int (A::*)(double)' */
3124 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
3125 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
3127 /* These are use to manipulate the canonical RECORD_TYPE from the
3128 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
3129 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
3130 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
3131 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
3133 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
3135 TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR \
3136 (struct lang_type, sizeof (struct lang_type_ptrmem)); \
3137 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
3139 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
3142 /* For a pointer-to-member type of the form `T X::*', this is `X'.
3143 For a type like `void (X::*)() const', this type is `X', not `const
3144 X'. To get at the `const X' you have to look at the
3145 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
3147 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
3148 (TYPE_PTRMEM_P (NODE) \
3149 ? TYPE_OFFSET_BASETYPE (NODE) \
3150 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
3152 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
3153 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
3154 (TYPE_PTRMEM_P (NODE) \
3155 ? TREE_TYPE (NODE) \
3156 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
3158 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
3160 #define PTRMEM_CST_CLASS(NODE) \
3161 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
3163 /* For a pointer-to-member constant `X::Y' this is the _DECL for
3165 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
3167 /* The expression in question for a TYPEOF_TYPE. */
3168 #define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values
3170 /* The expression in question for a DECLTYPE_TYPE. */
3171 #define DECLTYPE_TYPE_EXPR(NODE) (DECLTYPE_TYPE_CHECK (NODE))->type.values
3173 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
3174 id-expression or a member-access expression. When false, it was
3175 parsed as a full expression. */
3176 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
3177 (DECLTYPE_TYPE_CHECK (NODE))->type.string_flag
3179 /* These flags indicate that we want different semantics from normal
3180 decltype: lambda capture just drops references, lambda return also does
3182 #define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
3183 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
3184 #define DECLTYPE_FOR_LAMBDA_RETURN(NODE) \
3185 TREE_LANG_FLAG_1 (DECLTYPE_TYPE_CHECK (NODE))
3187 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
3188 specified in its declaration. This can also be set for an
3189 erroneously declared PARM_DECL. */
3190 #define DECL_THIS_EXTERN(NODE) \
3191 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
3193 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
3194 specified in its declaration. This can also be set for an
3195 erroneously declared PARM_DECL. */
3196 #define DECL_THIS_STATIC(NODE) \
3197 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
3199 /* Nonzero for FIELD_DECL node means that this field is a base class
3200 of the parent object, as opposed to a member field. */
3201 #define DECL_FIELD_IS_BASE(NODE) \
3202 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
3204 /* Nonzero for FIELD_DECL node means that this field is a simple (no
3205 explicit initializer) lambda capture field, making it invisible to
3206 name lookup in unevaluated contexts. */
3207 #define DECL_NORMAL_CAPTURE_P(NODE) \
3208 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
3210 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
3211 flag for this because "A union for which objects or pointers are
3212 declared is not an anonymous union" [class.union]. */
3213 #define ANON_AGGR_TYPE_P(NODE) \
3214 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
3215 #define SET_ANON_AGGR_TYPE_P(NODE) \
3216 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
3218 /* Nonzero if TYPE is an anonymous union type. */
3219 #define ANON_UNION_TYPE_P(NODE) \
3220 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
3222 #define UNKNOWN_TYPE LANG_TYPE
3224 /* Define fields and accessors for nodes representing declared names. */
3226 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
3228 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
3230 /* The format of each node in the DECL_FRIENDLIST is as follows:
3232 The TREE_PURPOSE will be the name of a function, i.e., an
3233 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
3234 TREE_VALUEs are friends with the given name. */
3235 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
3236 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
3237 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
3239 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
3240 each node is a type; the TREE_VALUE is the access granted for this
3241 DECL in that type. The DECL_ACCESS is set by access declarations.
3242 For example, if a member that would normally be public in a
3243 derived class is made protected, then the derived class and the
3244 protected_access_node will appear in the DECL_ACCESS for the node. */
3245 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
3247 /* Nonzero if the FUNCTION_DECL is a global constructor. */
3248 #define DECL_GLOBAL_CTOR_P(NODE) \
3249 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p)
3251 /* Nonzero if the FUNCTION_DECL is a global destructor. */
3252 #define DECL_GLOBAL_DTOR_P(NODE) \
3253 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p)
3255 /* Accessor macros for C++ template decl nodes. */
3257 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
3258 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
3259 template parameters, with 1 being the outermost set of template
3260 parameters. The TREE_VALUE is a vector, whose elements are the
3261 template parameters at each level. Each element in the vector is a
3262 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
3263 non-type parameter), or a TYPE_DECL (if the parameter is a type
3264 parameter). The TREE_PURPOSE is the default value, if any. The
3265 TEMPLATE_PARM_INDEX for the parameter is available as the
3266 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
3268 #define DECL_TEMPLATE_PARMS(NODE) DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments
3269 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
3270 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
3271 #define DECL_NTPARMS(NODE) \
3272 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
3273 /* For function, method, class-data templates. */
3274 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
3275 /* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS
3276 lists all instantiations and specializations of the function so that
3277 tsubst_friend_function can reassign them to another template if we find
3278 that the namespace-scope template is really a partial instantiation of a
3281 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
3282 all instantiations and specializations of the class type, including
3283 partial instantiations and partial specializations, so that if we
3284 explicitly specialize a partial instantiation we can walk the list
3285 in maybe_process_partial_specialization and reassign them or complain
3288 In both cases, the TREE_PURPOSE of each node contains the arguments
3289 used; the TREE_VALUE contains the generated variable. The template
3290 arguments are always complete. For example, given:
3292 template <class T> struct S1 {
3293 template <class U> struct S2 {};
3294 template <class U> struct S2<U*> {};
3297 the record for the partial specialization will contain, as its
3298 argument list, { {T}, {U*} }, and will be on the
3299 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
3300 <class U> struct S1<T>::S2'.
3302 This list is not used for other templates. */
3303 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
3304 /* For a class template, this list contains the partial
3305 specializations of this template. (Full specializations are not
3306 recorded on this list.) The TREE_PURPOSE holds the arguments used
3307 in the partial specialization (e.g., for `template <class T> struct
3308 S<T*, int>' this will be `T*'.) The arguments will also include
3309 any outer template arguments. The TREE_VALUE holds the innermost
3310 template parameters for the specialization (e.g., `T' in the
3311 example above.) The TREE_TYPE is the _TYPE node for the partial
3314 This list is not used for other templates. */
3315 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
3317 /* Nonzero for a DECL which is actually a template parameter. Keep
3318 these checks in ascending tree code order. */
3319 #define DECL_TEMPLATE_PARM_P(NODE) \
3320 (DECL_LANG_FLAG_0 (NODE) \
3321 && (TREE_CODE (NODE) == CONST_DECL \
3322 || TREE_CODE (NODE) == PARM_DECL \
3323 || TREE_CODE (NODE) == TYPE_DECL \
3324 || TREE_CODE (NODE) == TEMPLATE_DECL))
3326 /* Mark NODE as a template parameter. */
3327 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
3328 (DECL_LANG_FLAG_0 (NODE) = 1)
3330 /* Nonzero if NODE is a template template parameter. */
3331 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
3332 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
3334 /* Nonzero if NODE is a TEMPLATE_DECL representing an
3335 UNBOUND_CLASS_TEMPLATE tree node. */
3336 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
3337 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
3339 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
3340 (TREE_CODE (NODE) == TEMPLATE_DECL \
3341 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
3342 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
3344 /* Nonzero for a DECL that represents a template class. */
3345 #define DECL_CLASS_TEMPLATE_P(NODE) \
3346 (TREE_CODE (NODE) == TEMPLATE_DECL \
3347 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \
3348 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE)))
3350 /* Nonzero if NODE which declares a type. */
3351 #define DECL_DECLARES_TYPE_P(NODE) \
3352 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
3354 /* Nonzero if NODE declares a function. */
3355 #define DECL_DECLARES_FUNCTION_P(NODE) \
3356 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE))
3358 /* Nonzero if NODE is the typedef implicitly generated for a type when
3359 the type is declared. In C++, `struct S {};' is roughly
3360 equivalent to `struct S {}; typedef struct S S;' in C.
3361 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
3362 example. In C++, there is a second implicit typedef for each
3363 class, in the scope of `S' itself, so that you can say `S::S'.
3364 DECL_SELF_REFERENCE_P will hold for that second typedef. */
3365 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
3366 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
3367 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
3368 (DECL_LANG_FLAG_2 (NODE) = 1)
3369 #define DECL_SELF_REFERENCE_P(NODE) \
3370 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
3371 #define SET_DECL_SELF_REFERENCE_P(NODE) \
3372 (DECL_LANG_FLAG_4 (NODE) = 1)
3374 /* A `primary' template is one that has its own template header. A
3375 member function of a class template is a template, but not primary.
3376 A member template is primary. Friend templates are primary, too. */
3378 /* Returns the primary template corresponding to these parameters. */
3379 #define DECL_PRIMARY_TEMPLATE(NODE) \
3380 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
3382 /* Returns nonzero if NODE is a primary template. */
3383 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
3385 /* Nonzero iff NODE is a specialization of a template. The value
3386 indicates the type of specializations:
3388 1=implicit instantiation
3390 2=partial or explicit specialization, e.g.:
3392 template <> int min<int> (int, int),
3394 3=explicit instantiation, e.g.:
3396 template int min<int> (int, int);
3398 Note that NODE will be marked as a specialization even if the
3399 template it is instantiating is not a primary template. For
3402 template <typename T> struct O {
3407 both O<int>::f and O<int>::I will be marked as instantiations.
3409 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
3411 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template)
3413 /* Like DECL_USE_TEMPLATE, but for class types. */
3414 #define CLASSTYPE_USE_TEMPLATE(NODE) \
3415 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
3417 /* True if NODE is a specialization of a primary template. */
3418 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
3419 (CLASS_TYPE_P (NODE) \
3420 && CLASSTYPE_USE_TEMPLATE (NODE) \
3421 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
3423 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
3424 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
3425 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
3427 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
3428 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
3430 /* Returns true for an explicit or partial specialization of a class
3432 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
3433 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
3434 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
3435 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
3437 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
3438 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
3439 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
3440 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
3441 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
3442 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
3444 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
3445 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
3446 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
3447 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
3448 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
3449 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
3451 /* Nonzero if DECL is a friend function which is an instantiation
3452 from the point of view of the compiler, but not from the point of
3453 view of the language. For example given:
3454 template <class T> struct S { friend void f(T) {}; };
3455 the declaration of `void f(int)' generated when S<int> is
3456 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
3457 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
3458 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
3459 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
3461 /* Nonzero iff we are currently processing a declaration for an
3462 entity with its own template parameter list, and which is not a
3463 full specialization. */
3464 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
3465 (processing_template_decl > template_class_depth (current_scope ()))
3467 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
3468 instantiated, i.e. its definition has been generated from the
3469 pattern given in the template. */
3470 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
3471 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
3473 /* We know what we're doing with this decl now. */
3474 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
3476 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
3477 so that assemble_external will work properly. So we have this flag to
3478 tell us whether the decl is really not external.
3480 This flag does not indicate whether or not the decl is defined in the
3481 current translation unit; it indicates whether or not we should emit the
3482 decl at the end of compilation if it is defined and needed. */
3483 #define DECL_NOT_REALLY_EXTERN(NODE) \
3484 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern)
3486 #define DECL_REALLY_EXTERN(NODE) \
3487 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
3489 /* A thunk is a stub function.
3491 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
3492 The address of the ordinary FUNCTION_DECL is given by the
3493 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
3494 FUNCTION_DECL. The job of the thunk is to either adjust the this
3495 pointer before transferring control to the FUNCTION_DECL, or call
3496 FUNCTION_DECL and then adjust the result value. Note, the result
3497 pointer adjusting thunk must perform a call to the thunked
3498 function, (or be implemented via passing some invisible parameter
3499 to the thunked function, which is modified to perform the
3500 adjustment just before returning).
3502 A thunk may perform either, or both, of the following operations:
3504 o Adjust the this or result pointer by a constant offset.
3505 o Adjust the this or result pointer by looking up a vcall or vbase offset
3508 A this pointer adjusting thunk converts from a base to a derived
3509 class, and hence adds the offsets. A result pointer adjusting thunk
3510 converts from a derived class to a base, and hence subtracts the
3511 offsets. If both operations are performed, then the constant
3512 adjustment is performed first for this pointer adjustment and last
3513 for the result pointer adjustment.
3515 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
3516 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
3517 used. For this pointer adjusting thunks, it is the vcall offset
3518 into the vtable. For result pointer adjusting thunks it is the
3519 binfo of the virtual base to convert to. Use that binfo's vbase
3522 It is possible to have equivalent covariant thunks. These are
3523 distinct virtual covariant thunks whose vbase offsets happen to
3524 have the same value. THUNK_ALIAS is used to pick one as the
3525 canonical thunk, which will get all the this pointer adjusting
3526 thunks attached to it. */
3528 /* An integer indicating how many bytes should be subtracted from the
3529 this or result pointer when this function is called. */
3530 #define THUNK_FIXED_OFFSET(DECL) \
3531 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset)
3533 /* A tree indicating how to perform the virtual adjustment. For a this
3534 adjusting thunk it is the number of bytes to be added to the vtable
3535 to find the vcall offset. For a result adjusting thunk, it is the
3536 binfo of the relevant virtual base. If NULL, then there is no
3537 virtual adjust. (The vptr is always located at offset zero from
3538 the this or result pointer.) (If the covariant type is within the
3539 class hierarchy being laid out, the vbase index is not yet known
3540 at the point we need to create the thunks, hence the need to use
3543 #define THUNK_VIRTUAL_OFFSET(DECL) \
3544 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access)
3546 /* A thunk which is equivalent to another thunk. */
3547 #define THUNK_ALIAS(DECL) \
3548 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info)
3550 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
3551 possible for the target to be a thunk too. */
3552 #define THUNK_TARGET(NODE) \
3553 (LANG_DECL_FN_CHECK (NODE)->befriending_classes)
3555 /* True for a SCOPE_REF iff the "template" keyword was used to
3556 indicate that the qualified name denotes a template. */
3557 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
3558 (TREE_LANG_FLAG_0 (SCOPE_REF_CHECK (NODE)))
3560 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
3561 as an expr in operand 1, and integer_zero_node in operand 0. */
3562 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
3563 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST)
3565 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
3566 #define OMP_FOR_GIMPLIFYING_P(NODE) \
3567 (TREE_LANG_FLAG_0 (OMP_FOR_CHECK (NODE)))
3569 /* A language-specific token attached to the OpenMP data clauses to
3570 hold code (or code fragments) related to ctors, dtors, and op=.
3571 See semantics.c for details. */
3572 #define CP_OMP_CLAUSE_INFO(NODE) \
3573 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
3574 OMP_CLAUSE_COPYPRIVATE))
3576 /* These macros provide convenient access to the various _STMT nodes
3577 created when parsing template declarations. */
3578 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
3579 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
3581 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
3582 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
3584 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
3586 /* Nonzero if this try block is a function try block. */
3587 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
3588 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
3589 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
3590 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
3592 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
3593 and the VAR_DECL for which this cleanup exists. */
3594 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
3595 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
3596 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
3598 /* IF_STMT accessors. These give access to the condition of the if
3599 statement, the then block of the if statement, and the else block
3600 of the if statement if it exists. */
3601 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
3602 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
3603 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
3605 /* WHILE_STMT accessors. These give access to the condition of the
3606 while statement and the body of the while statement, respectively. */
3607 #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
3608 #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
3610 /* DO_STMT accessors. These give access to the condition of the do
3611 statement and the body of the do statement, respectively. */
3612 #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
3613 #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
3615 /* FOR_STMT accessors. These give access to the init statement,
3616 condition, update expression, and body of the for statement,
3618 #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
3619 #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
3620 #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
3621 #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
3623 #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
3624 #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
3625 #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
3627 /* STMT_EXPR accessor. */
3628 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
3630 /* EXPR_STMT accessor. This gives the expression associated with an
3631 expression statement. */
3632 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
3634 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
3635 discard it if it isn't useful. */
3636 #define TARGET_EXPR_IMPLICIT_P(NODE) \
3637 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
3639 /* True if this TARGET_EXPR is the result of list-initialization of a
3641 #define TARGET_EXPR_LIST_INIT_P(NODE) \
3642 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
3644 /* True if this TARGET_EXPR expresses direct-initialization of an object
3645 to be named later. */
3646 #define TARGET_EXPR_DIRECT_INIT_P(NODE) \
3647 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
3649 /* True if EXPR expresses direct-initialization of a TYPE. */
3650 #define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
3651 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
3652 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
3654 /* An enumeration of the kind of tags that C++ accepts. */
3656 none_type = 0, /* Not a tag type. */
3657 record_type, /* "struct" types. */
3658 class_type, /* "class" types. */
3659 union_type, /* "union" types. */
3660 enum_type, /* "enum" types. */
3661 typename_type /* "typename" types. */
3664 /* The various kinds of lvalues we distinguish. */
3665 enum cp_lvalue_kind_flags {
3666 clk_none = 0, /* Things that are not an lvalue. */
3667 clk_ordinary = 1, /* An ordinary lvalue. */
3668 clk_rvalueref = 2,/* An rvalue formed using an rvalue reference */
3669 clk_class = 4, /* An rvalue of class-type. */
3670 clk_bitfield = 8, /* An lvalue for a bit-field. */
3671 clk_packed = 16 /* An lvalue for a packed field. */
3674 /* This type is used for parameters and variables which hold
3675 combinations of the flags in enum cp_lvalue_kind_flags. */
3676 typedef int cp_lvalue_kind;
3678 /* Various kinds of template specialization, instantiation, etc. */
3679 typedef enum tmpl_spec_kind {
3680 tsk_none, /* Not a template at all. */
3681 tsk_invalid_member_spec, /* An explicit member template
3682 specialization, but the enclosing
3683 classes have not all been explicitly
3685 tsk_invalid_expl_inst, /* An explicit instantiation containing
3686 template parameter lists. */
3687 tsk_excessive_parms, /* A template declaration with too many
3688 template parameter lists. */
3689 tsk_insufficient_parms, /* A template declaration with too few
3691 tsk_template, /* A template declaration. */
3692 tsk_expl_spec, /* An explicit specialization. */
3693 tsk_expl_inst /* An explicit instantiation. */
3696 /* The various kinds of access. BINFO_ACCESS depends on these being
3697 two bit quantities. The numerical values are important; they are
3698 used to initialize RTTI data structures, so changing them changes
3700 typedef enum access_kind {
3701 ak_none = 0, /* Inaccessible. */
3702 ak_public = 1, /* Accessible, as a `public' thing. */
3703 ak_protected = 2, /* Accessible, as a `protected' thing. */
3704 ak_private = 3 /* Accessible, as a `private' thing. */
3707 /* The various kinds of special functions. If you add to this list,
3708 you should update special_function_p as well. */
3709 typedef enum special_function_kind {
3710 sfk_none = 0, /* Not a special function. This enumeral
3711 must have value zero; see
3712 special_function_p. */
3713 sfk_constructor, /* A constructor. */
3714 sfk_copy_constructor, /* A copy constructor. */
3715 sfk_move_constructor, /* A move constructor. */
3716 sfk_assignment_operator, /* An assignment operator. */
3717 sfk_destructor, /* A destructor. */
3718 sfk_complete_destructor, /* A destructor for complete objects. */
3719 sfk_base_destructor, /* A destructor for base subobjects. */
3720 sfk_deleting_destructor, /* A destructor for complete objects that
3721 deletes the object after it has been
3723 sfk_conversion /* A conversion operator. */
3724 } special_function_kind;
3726 /* The various kinds of linkage. From [basic.link],
3728 A name is said to have linkage when it might denote the same
3729 object, reference, function, type, template, namespace or value
3730 as a name introduced in another scope:
3732 -- When a name has external linkage, the entity it denotes can
3733 be referred to from scopes of other translation units or from
3734 other scopes of the same translation unit.
3736 -- When a name has internal linkage, the entity it denotes can
3737 be referred to by names from other scopes in the same
3740 -- When a name has no linkage, the entity it denotes cannot be
3741 referred to by names from other scopes. */
3743 typedef enum linkage_kind {
3744 lk_none, /* No linkage. */
3745 lk_internal, /* Internal linkage. */
3746 lk_external /* External linkage. */
3749 /* Bitmask flags to control type substitution. */
3751 tf_none = 0, /* nothing special */
3752 tf_error = 1 << 0, /* give error messages */
3753 tf_warning = 1 << 1, /* give warnings too */
3754 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
3755 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
3756 (make_typename_type use) */
3757 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
3758 instantiate_type use) */
3759 tf_user = 1 << 5, /* found template must be a user template
3760 (lookup_template_class use) */
3761 tf_conv = 1 << 6, /* We are determining what kind of
3762 conversion might be permissible,
3763 not actually performing the
3765 tf_no_access_control = 1 << 7, /* Do not perform access checks, even
3766 when issuing other errors. */
3767 /* Do not instantiate classes (used by count_non_default_template_args). */
3768 tf_no_class_instantiations = 1 << 8,
3769 /* Convenient substitution flags combinations. */
3770 tf_warning_or_error = tf_warning | tf_error
3773 /* This type is used for parameters and variables which hold
3774 combinations of the flags in enum tsubst_flags. */
3775 typedef int tsubst_flags_t;
3777 /* The kind of checking we can do looking in a class hierarchy. */
3778 enum base_access_flags {
3779 ba_any = 0, /* Do not check access, allow an ambiguous base,
3780 prefer a non-virtual base */
3781 ba_unique = 1 << 0, /* Must be a unique base. */
3782 ba_check_bit = 1 << 1, /* Check access. */
3783 ba_check = ba_unique | ba_check_bit,
3784 ba_ignore_scope = 1 << 2, /* Ignore access allowed by local scope. */
3785 ba_quiet = 1 << 3 /* Do not issue error messages. */
3788 /* This type is used for parameters and variables which hold
3789 combinations of the flags in enum base_access_flags. */
3790 typedef int base_access;
3792 /* The various kinds of access check during parsing. */
3793 typedef enum deferring_kind {
3794 dk_no_deferred = 0, /* Check access immediately */
3795 dk_deferred = 1, /* Deferred check */
3796 dk_no_check = 2 /* No access check */
3799 /* The kind of base we can find, looking in a class hierarchy.
3800 Values <0 indicate we failed. */
3801 typedef enum base_kind {
3802 bk_inaccessible = -3, /* The base is inaccessible */
3803 bk_ambig = -2, /* The base is ambiguous */
3804 bk_not_base = -1, /* It is not a base */
3805 bk_same_type = 0, /* It is the same type */
3806 bk_proper_base = 1, /* It is a proper base */
3807 bk_via_virtual = 2 /* It is a proper base, but via a virtual
3808 path. This might not be the canonical
3812 /* Node for "pointer to (virtual) function".
3813 This may be distinct from ptr_type_node so gdb can distinguish them. */
3814 #define vfunc_ptr_type_node vtable_entry_type
3817 /* For building calls to `delete'. */
3818 extern GTY(()) tree integer_two_node;
3819 extern GTY(()) tree integer_three_node;
3821 /* The number of function bodies which we are currently processing.
3822 (Zero if we are at namespace scope, one inside the body of a
3823 function, two inside the body of a function in a local class, etc.) */
3824 extern int function_depth;
3828 /* Nonzero if we are parsing an unevaluated operand: an operand to
3829 sizeof, typeof, or alignof. This is a count since operands to
3830 sizeof can be nested. */
3832 extern int cp_unevaluated_operand;
3836 /* These values are used for the `STRICT' parameter to type_unification and
3837 fn_type_unification. Their meanings are described with the
3838 documentation for fn_type_unification. */
3840 typedef enum unification_kind_t {
3844 } unification_kind_t;
3848 extern int current_class_depth;
3850 /* An array of all local classes present in this translation unit, in
3851 declaration order. */
3852 extern GTY(()) VEC(tree,gc) *local_classes;
3854 /* Here's where we control how name mangling takes place. */
3856 /* Cannot use '$' up front, because this confuses gdb
3857 (names beginning with '$' are gdb-local identifiers).
3859 Note that all forms in which the '$' is significant are long enough
3860 for direct indexing (meaning that if we know there is a '$'
3861 at a particular location, we can index into the string at
3862 any other location that provides distinguishing characters). */
3864 /* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler
3865 doesn't allow '.' in symbol names. */
3866 #ifndef NO_DOT_IN_LABEL
3870 #define AUTO_TEMP_NAME "_.tmp_"
3871 #define VFIELD_BASE ".vf"
3872 #define VFIELD_NAME "_vptr."
3873 #define VFIELD_NAME_FORMAT "_vptr.%s"
3875 #define ANON_AGGRNAME_FORMAT "._%d"
3877 #else /* NO_DOT_IN_LABEL */
3879 #ifndef NO_DOLLAR_IN_LABEL
3883 #define AUTO_TEMP_NAME "_$tmp_"
3884 #define VFIELD_BASE "$vf"
3885 #define VFIELD_NAME "_vptr$"
3886 #define VFIELD_NAME_FORMAT "_vptr$%s"
3887 #define ANON_AGGRNAME_FORMAT "$_%d"
3889 #else /* NO_DOLLAR_IN_LABEL */
3891 #define IN_CHARGE_NAME "__in_chrg"
3892 #define AUTO_TEMP_NAME "__tmp_"
3893 #define TEMP_NAME_P(ID_NODE) \
3894 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3895 sizeof (AUTO_TEMP_NAME) - 1))
3896 #define VTABLE_NAME "__vt_"
3897 #define VTABLE_NAME_P(ID_NODE) \
3898 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3899 sizeof (VTABLE_NAME) - 1))
3900 #define VFIELD_BASE "__vfb"
3901 #define VFIELD_NAME "__vptr_"
3902 #define VFIELD_NAME_P(ID_NODE) \
3903 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3904 sizeof (VFIELD_NAME) - 1))
3905 #define VFIELD_NAME_FORMAT "__vptr_%s"
3907 #define ANON_AGGRNAME_PREFIX "__anon_"
3908 #define ANON_AGGRNAME_P(ID_NODE) \
3909 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3910 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3911 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3913 #endif /* NO_DOLLAR_IN_LABEL */
3914 #endif /* NO_DOT_IN_LABEL */
3916 #define THIS_NAME "this"
3918 #define IN_CHARGE_NAME "__in_chrg"
3920 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3921 #define VTABLE_DELTA_NAME "__delta"
3922 #define VTABLE_PFN_NAME "__pfn"
3924 #define LAMBDANAME_PREFIX "__lambda"
3925 #define LAMBDANAME_FORMAT LAMBDANAME_PREFIX "%d"
3926 #define LAMBDANAME_P(ID_NODE) \
3927 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
3928 LAMBDANAME_PREFIX, \
3929 sizeof (LAMBDANAME_PREFIX) - 1))
3931 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3933 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3934 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3935 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3937 #define TEMP_NAME_P(ID_NODE) \
3938 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3939 #define VFIELD_NAME_P(ID_NODE) \
3940 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3942 /* For anonymous aggregate types, we need some sort of name to
3943 hold on to. In practice, this should not appear, but it should
3944 not be harmful if it does. */
3945 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3946 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3947 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3950 /* Nonzero if we're done parsing and into end-of-file activities. */
3954 /* A list of namespace-scope objects which have constructors or
3955 destructors which reside in the global scope. The decl is stored
3956 in the TREE_VALUE slot and the initializer is stored in the
3957 TREE_PURPOSE slot. */
3958 extern GTY(()) tree static_aggregates;
3960 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, TYPENAME_FLAG };
3962 /* These are uses as bits in flags passed to various functions to
3963 control their behavior. Despite the LOOKUP_ prefix, many of these
3964 do not control name lookup. ??? Functions using these flags should
3965 probably be modified to accept explicit boolean flags for the
3966 behaviors relevant to them. */
3967 /* Check for access violations. */
3968 #define LOOKUP_PROTECT (1 << 0)
3969 /* Complain if no suitable member function matching the arguments is
3971 #define LOOKUP_COMPLAIN (1 << 1)
3972 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3973 /* Even if the function found by lookup is a virtual function, it
3974 should be called directly. */
3975 #define LOOKUP_NONVIRTUAL (1 << 2)
3976 /* Non-converting (i.e., "explicit") constructors are not tried. This flag
3977 indicates that we are not performing direct-initialization. */
3978 #define LOOKUP_ONLYCONVERTING (1 << 3)
3979 #define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING)
3980 /* If a temporary is created, it should be created so that it lives
3981 as long as the current variable bindings; otherwise it only lives
3982 until the end of the complete-expression. It also forces
3983 direct-initialization in cases where other parts of the compiler
3984 have already generated a temporary, such as reference
3985 initialization and the catch parameter. */
3986 #define DIRECT_BIND (1 << 4)
3987 /* User-defined conversions are not permitted. (Built-in conversions
3989 #define LOOKUP_NO_CONVERSION (1 << 5)
3990 /* The user has explicitly called a destructor. (Therefore, we do
3991 not need to check that the object is non-NULL before calling the
3993 #define LOOKUP_DESTRUCTOR (1 << 6)
3994 /* Do not permit references to bind to temporaries. */
3995 #define LOOKUP_NO_TEMP_BIND (1 << 7)
3996 /* Do not accept objects, and possibly namespaces. */
3997 #define LOOKUP_PREFER_TYPES (1 << 8)
3998 /* Do not accept objects, and possibly types. */
3999 #define LOOKUP_PREFER_NAMESPACES (1 << 9)
4000 /* Accept types or namespaces. */
4001 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
4002 /* Return friend declarations and un-declared builtin functions.
4003 (Normally, these entities are registered in the symbol table, but
4004 not found by lookup.) */
4005 #define LOOKUP_HIDDEN (LOOKUP_PREFER_NAMESPACES << 1)
4006 /* Prefer that the lvalue be treated as an rvalue. */
4007 #define LOOKUP_PREFER_RVALUE (LOOKUP_HIDDEN << 1)
4008 /* We're inside an init-list, so narrowing conversions are ill-formed. */
4009 #define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
4010 /* Avoid user-defined conversions for the first parameter of a copy
4012 #define LOOKUP_NO_COPY_CTOR_CONVERSION (LOOKUP_NO_NARROWING << 1)
4013 /* This is the first parameter of a copy constructor. */
4014 #define LOOKUP_COPY_PARM (LOOKUP_NO_COPY_CTOR_CONVERSION << 1)
4016 #define LOOKUP_NAMESPACES_ONLY(F) \
4017 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
4018 #define LOOKUP_TYPES_ONLY(F) \
4019 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
4020 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
4023 /* These flags are used by the conversion code.
4024 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
4025 CONV_STATIC : Perform the explicit conversions for static_cast.
4026 CONV_CONST : Perform the explicit conversions for const_cast.
4027 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
4028 CONV_PRIVATE : Perform upcasts to private bases.
4029 CONV_FORCE_TEMP : Require a new temporary when converting to the same
4032 #define CONV_IMPLICIT 1
4033 #define CONV_STATIC 2
4034 #define CONV_CONST 4
4035 #define CONV_REINTERPRET 8
4036 #define CONV_PRIVATE 16
4037 /* #define CONV_NONCONVERTING 32 */
4038 #define CONV_FORCE_TEMP 64
4039 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
4041 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
4042 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
4044 /* Used by build_expr_type_conversion to indicate which types are
4045 acceptable as arguments to the expression under consideration. */
4047 #define WANT_INT 1 /* integer types, including bool */
4048 #define WANT_FLOAT 2 /* floating point types */
4049 #define WANT_ENUM 4 /* enumerated types */
4050 #define WANT_POINTER 8 /* pointer types */
4051 #define WANT_NULL 16 /* null pointer constant */
4052 #define WANT_VECTOR 32 /* vector types */
4053 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR)
4055 /* Used with comptypes, and related functions, to guide type
4058 #define COMPARE_STRICT 0 /* Just check if the types are the
4060 #define COMPARE_BASE 1 /* Check to see if the second type is
4061 derived from the first. */
4062 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
4064 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
4065 another declaration of an existing
4067 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
4068 structural. The actual comparison
4069 will be identical to
4072 /* Used with push_overloaded_decl. */
4073 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
4074 regardless of the current scope. */
4075 #define PUSH_LOCAL 1 /* Push the DECL into the current
4077 #define PUSH_USING 2 /* We are pushing this DECL as the
4078 result of a using declaration. */
4080 /* Used with start function. */
4081 #define SF_DEFAULT 0 /* No flags. */
4082 #define SF_PRE_PARSED 1 /* The function declaration has
4083 already been parsed. */
4084 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
4085 in the class body. */
4087 /* Used with start_decl's initialized parameter. */
4088 #define SD_UNINITIALIZED 0
4089 #define SD_INITIALIZED 1
4090 #define SD_DEFAULTED 2
4091 #define SD_DELETED 3
4093 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
4094 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
4095 class derived from the type pointed to (referred to) by TYPE1. */
4096 #define same_or_base_type_p(TYPE1, TYPE2) \
4097 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
4099 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
4100 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
4101 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
4102 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
4103 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
4104 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
4105 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
4106 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
4107 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
4108 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
4110 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
4111 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
4112 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
4113 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \
4114 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values
4115 #define TEMPLATE_TYPE_IDX(NODE) \
4116 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4117 #define TEMPLATE_TYPE_LEVEL(NODE) \
4118 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4119 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
4120 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4121 #define TEMPLATE_TYPE_DECL(NODE) \
4122 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4123 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
4124 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
4126 /* These constants can used as bit flags in the process of tree formatting.
4128 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
4129 TFF_SCOPE: include the class and namespace scope of the name.
4130 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
4131 TFF_DECL_SPECIFIERS: print decl-specifiers.
4132 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
4133 a class-key (resp. `enum').
4134 TFF_RETURN_TYPE: include function return type.
4135 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
4136 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
4137 TFF_TEMPLATE_HEADER: show the template<...> header in a
4138 template-declaration.
4139 TFF_TEMPLATE_NAME: show only template-name.
4140 TFF_EXPR_IN_PARENS: parenthesize expressions.
4141 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
4142 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
4144 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments
4145 identical to their defaults. */
4147 #define TFF_PLAIN_IDENTIFIER (0)
4148 #define TFF_SCOPE (1)
4149 #define TFF_CHASE_TYPEDEF (1 << 1)
4150 #define TFF_DECL_SPECIFIERS (1 << 2)
4151 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
4152 #define TFF_RETURN_TYPE (1 << 4)
4153 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
4154 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
4155 #define TFF_TEMPLATE_HEADER (1 << 7)
4156 #define TFF_TEMPLATE_NAME (1 << 8)
4157 #define TFF_EXPR_IN_PARENS (1 << 9)
4158 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
4159 #define TFF_UNQUALIFIED_NAME (1 << 11)
4160 #define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12)
4162 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
4164 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
4165 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
4166 ? TYPE_TI_TEMPLATE (NODE) \
4171 extern void init_reswords (void);
4173 typedef struct GTY(()) operator_name_info_t {
4174 /* The IDENTIFIER_NODE for the operator. */
4176 /* The name of the operator. */
4178 /* The mangled name of the operator. */
4179 const char *mangled_name;
4180 /* The arity of the operator. */
4182 } operator_name_info_t;
4184 /* A mapping from tree codes to operator name information. */
4185 extern GTY(()) operator_name_info_t operator_name_info
4186 [(int) MAX_TREE_CODES];
4187 /* Similar, but for assignment operators. */
4188 extern GTY(()) operator_name_info_t assignment_operator_name_info
4189 [(int) MAX_TREE_CODES];
4191 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
4194 typedef int cp_cv_quals;
4196 /* A storage class. */
4198 typedef enum cp_storage_class {
4199 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
4200 sets the storage_class field to sc_none. */
4209 /* An individual decl-specifier. */
4211 typedef enum cp_decl_spec {
4213 ds_signed = ds_first,
4231 /* A decl-specifier-seq. */
4233 typedef struct cp_decl_specifier_seq {
4234 /* The number of times each of the keywords has been seen. */
4235 unsigned specs[(int) ds_last];
4236 /* The primary type, if any, given by the decl-specifier-seq.
4237 Modifiers, like "short", "const", and "unsigned" are not
4238 reflected here. This field will be a TYPE, unless a typedef-name
4239 was used, in which case it will be a TYPE_DECL. */
4241 /* The location of the primary type. Mainly used for error
4243 location_t type_location;
4244 /* The attributes, if any, provided with the specifier sequence. */
4246 /* If non-NULL, a built-in type that the user attempted to redefine
4247 to some other type. */
4248 tree redefined_builtin_type;
4249 /* The storage class specified -- or sc_none if no storage class was
4250 explicitly specified. */
4251 cp_storage_class storage_class;
4252 /* True iff TYPE_SPEC indicates a user-defined type. */
4253 BOOL_BITFIELD user_defined_type_p : 1;
4254 /* True iff multiple types were (erroneously) specified for this
4255 decl-specifier-seq. */
4256 BOOL_BITFIELD multiple_types_p : 1;
4257 /* True iff multiple storage classes were (erroneously) specified
4258 for this decl-specifier-seq or a combination of a storage class
4259 with a typedef specifier. */
4260 BOOL_BITFIELD conflicting_specifiers_p : 1;
4261 /* True iff at least one decl-specifier was found. */
4262 BOOL_BITFIELD any_specifiers_p : 1;
4263 /* True iff "int" was explicitly provided. */
4264 BOOL_BITFIELD explicit_int_p : 1;
4265 /* True iff "char" was explicitly provided. */
4266 BOOL_BITFIELD explicit_char_p : 1;
4267 } cp_decl_specifier_seq;
4269 /* The various kinds of declarators. */
4271 typedef enum cp_declarator_kind {
4279 } cp_declarator_kind;
4283 typedef struct cp_declarator cp_declarator;
4285 typedef struct cp_parameter_declarator cp_parameter_declarator;
4287 /* A parameter, before it has been semantically analyzed. */
4288 struct cp_parameter_declarator {
4289 /* The next parameter, or NULL_TREE if none. */
4290 cp_parameter_declarator *next;
4291 /* The decl-specifiers-seq for the parameter. */
4292 cp_decl_specifier_seq decl_specifiers;
4293 /* The declarator for the parameter. */
4294 cp_declarator *declarator;
4295 /* The default-argument expression, or NULL_TREE, if none. */
4296 tree default_argument;
4297 /* True iff this is the first parameter in the list and the
4298 parameter sequence ends with an ellipsis. */
4303 struct cp_declarator {
4304 /* The kind of declarator. */
4305 ENUM_BITFIELD (cp_declarator_kind) kind : 4;
4306 /* Whether we parsed an ellipsis (`...') just before the declarator,
4307 to indicate this is a parameter pack. */
4308 BOOL_BITFIELD parameter_pack_p : 1;
4309 /* Attributes that apply to this declarator. */
4311 /* For all but cdk_id and cdk_error, the contained declarator. For
4312 cdk_id and cdk_error, guaranteed to be NULL. */
4313 cp_declarator *declarator;
4314 location_t id_loc; /* Currently only set for cdk_id and cdk_function. */
4316 /* For identifiers. */
4318 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
4319 *_TYPE) for this identifier. */
4320 tree qualifying_scope;
4321 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
4322 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
4323 tree unqualified_name;
4324 /* If this is the name of a function, what kind of special
4325 function (if any). */
4326 special_function_kind sfk;
4328 /* For functions. */
4330 /* The parameters to the function as a TREE_LIST of decl/default. */
4332 /* The cv-qualifiers for the function. */
4333 cp_cv_quals qualifiers;
4334 /* The exception-specification for the function. */
4335 tree exception_specification;
4336 /* The late-specified return type, if any. */
4337 tree late_return_type;
4341 /* The bounds to the array. */
4344 /* For cdk_pointer and cdk_ptrmem. */
4346 /* The cv-qualifiers for the pointer. */
4347 cp_cv_quals qualifiers;
4348 /* For cdk_ptrmem, the class type containing the member. */
4351 /* For cdk_reference */
4353 /* The cv-qualifiers for the reference. These qualifiers are
4354 only used to diagnose ill-formed code. */
4355 cp_cv_quals qualifiers;
4356 /* Whether this is an rvalue reference */
4362 /* A level of template instantiation. */
4363 struct GTY(()) tinst_level {
4364 /* The immediately deeper level in the chain. */
4365 struct tinst_level *next;
4367 /* The original node. Can be either a DECL (for a function or static
4368 data member) or a TYPE (for a class), depending on what we were
4369 asked to instantiate. */
4372 /* The location where the template is instantiated. */
4375 /* True if the location is in a system header. */
4376 bool in_system_header_p;
4379 /* A parameter list indicating for a function with no parameters,
4380 e.g "int f(void)". */
4381 extern cp_parameter_declarator *no_parameters;
4383 /* True if we saw "#pragma GCC java_exceptions". */
4384 extern bool pragma_java_exceptions;
4387 extern bool check_dtor_name (tree, tree);
4389 extern tree build_conditional_expr (tree, tree, tree,
4391 extern tree build_addr_func (tree);
4392 extern tree build_call_a (tree, int, tree*);
4393 extern tree build_call_n (tree, int, ...);
4394 extern bool null_ptr_cst_p (tree);
4395 extern bool sufficient_parms_p (const_tree);
4396 extern tree type_decays_to (tree);
4397 extern tree build_user_type_conversion (tree, tree, int);
4398 extern tree build_new_function_call (tree, VEC(tree,gc) **, bool,
4400 extern tree build_operator_new_call (tree, VEC(tree,gc) **, tree *,
4402 extern tree build_new_method_call (tree, tree, VEC(tree,gc) **,
4405 extern tree build_special_member_call (tree, tree, VEC(tree,gc) **,
4406 tree, int, tsubst_flags_t);
4407 extern tree build_new_op (enum tree_code, int, tree,
4410 extern tree build_op_call (tree, VEC(tree,gc) **,
4412 extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree, tree);
4413 extern bool can_convert (tree, tree);
4414 extern bool can_convert_arg (tree, tree, tree, int);
4415 extern bool can_convert_arg_bad (tree, tree, tree, int);
4416 extern bool enforce_access (tree, tree, tree);
4417 extern tree convert_default_arg (tree, tree, tree, int);
4418 extern tree convert_arg_to_ellipsis (tree);
4419 extern tree build_x_va_arg (tree, tree);
4420 extern tree cxx_type_promotes_to (tree);
4421 extern tree type_passed_as (tree);
4422 extern tree convert_for_arg_passing (tree, tree);
4423 extern bool is_properly_derived_from (tree, tree);
4424 extern tree set_up_extended_ref_temp (tree, tree, tree *, tree *);
4425 extern tree initialize_reference (tree, tree, tree, tree *);
4426 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
4427 extern tree strip_top_quals (tree);
4428 extern bool reference_related_p (tree, tree);
4429 extern tree perform_implicit_conversion (tree, tree, tsubst_flags_t);
4430 extern tree perform_implicit_conversion_flags (tree, tree, tsubst_flags_t, int);
4431 extern tree perform_direct_initialization_if_possible (tree, tree, bool,
4433 extern tree in_charge_arg_for_name (tree);
4434 extern tree build_cxx_call (tree, int, tree *);
4435 extern bool is_std_init_list (tree);
4436 extern bool is_list_ctor (tree);
4437 #ifdef ENABLE_CHECKING
4438 extern void validate_conversion_obstack (void);
4439 #endif /* ENABLE_CHECKING */
4442 extern tree build_vfield_ref (tree, tree);
4443 extern tree build_base_path (enum tree_code, tree,
4445 extern tree convert_to_base (tree, tree, bool, bool);
4446 extern tree convert_to_base_statically (tree, tree);
4447 extern tree build_vtbl_ref (tree, tree);
4448 extern tree build_vfn_ref (tree, tree);
4449 extern tree get_vtable_decl (tree, int);
4450 extern void resort_type_method_vec (void *, void *,
4451 gt_pointer_operator, void *);
4452 extern bool add_method (tree, tree, tree);
4453 extern bool currently_open_class (tree);
4454 extern tree currently_open_derived_class (tree);
4455 extern tree finish_struct (tree, tree);
4456 extern void finish_struct_1 (tree);
4457 extern int resolves_to_fixed_type_p (tree, int *);
4458 extern void init_class_processing (void);
4459 extern int is_empty_class (tree);
4460 extern bool is_really_empty_class (tree);
4461 extern void pushclass (tree);
4462 extern void popclass (void);
4463 extern void push_nested_class (tree);
4464 extern void pop_nested_class (void);
4465 extern int current_lang_depth (void);
4466 extern void push_lang_context (tree);
4467 extern void pop_lang_context (void);
4468 extern tree instantiate_type (tree, tree, tsubst_flags_t);
4469 extern void print_class_statistics (void);
4470 extern void build_self_reference (void);
4471 extern int same_signature_p (const_tree, const_tree);
4472 extern void maybe_add_class_template_decl_list (tree, tree, int);
4473 extern void unreverse_member_declarations (tree);
4474 extern void invalidate_class_lookup_cache (void);
4475 extern void maybe_note_name_used_in_class (tree, tree);
4476 extern void note_name_declared_in_class (tree, tree);
4477 extern tree get_vtbl_decl_for_binfo (tree);
4478 extern void debug_class (tree);
4479 extern void debug_thunks (tree);
4480 extern tree cp_fold_obj_type_ref (tree, tree);
4481 extern void set_linkage_according_to_type (tree, tree);
4482 extern void determine_key_method (tree);
4483 extern void check_for_override (tree, tree);
4484 extern void push_class_stack (void);
4485 extern void pop_class_stack (void);
4486 extern bool type_has_user_nondefault_constructor (tree);
4487 extern bool type_has_user_provided_constructor (tree);
4488 extern bool type_has_user_provided_default_constructor (tree);
4489 extern bool defaultable_fn_p (tree);
4490 extern void fixup_type_variants (tree);
4491 extern tree* decl_cloned_function_p (const_tree, bool);
4492 extern void clone_function_decl (tree, int);
4493 extern void adjust_clone_args (tree);
4496 extern tree convert_to_reference (tree, tree, int, int, tree);
4497 extern tree convert_from_reference (tree);
4498 extern tree force_rvalue (tree);
4499 extern tree ocp_convert (tree, tree, int, int);
4500 extern tree cp_convert (tree, tree);
4501 extern tree cp_convert_and_check (tree, tree);
4502 extern tree cp_fold_convert (tree, tree);
4503 extern tree convert_to_void (tree, const char */*implicit context*/,
4505 extern tree convert_force (tree, tree, int);
4506 extern tree build_expr_type_conversion (int, tree, bool);
4507 extern tree type_promotes_to (tree);
4508 extern tree perform_qualification_conversions (tree, tree);
4510 /* in name-lookup.c */
4511 extern tree get_anonymous_namespace_name (void);
4512 extern tree pushdecl (tree);
4513 extern tree pushdecl_maybe_friend (tree, bool);
4514 extern void maybe_push_cleanup_level (tree);
4515 extern tree pushtag (tree, tree, tag_scope);
4516 extern tree make_anon_name (void);
4517 extern tree pushdecl_top_level_maybe_friend (tree, bool);
4518 extern tree pushdecl_top_level_and_finish (tree, tree);
4519 extern tree check_for_out_of_scope_variable (tree);
4520 extern void print_other_binding_stack (struct cp_binding_level *);
4521 extern tree maybe_push_decl (tree);
4524 extern tree poplevel (int, int, int);
4525 extern void cxx_init_decl_processing (void);
4526 enum cp_tree_node_structure_enum cp_tree_node_structure
4527 (union lang_tree_node *);
4528 extern void finish_scope (void);
4529 extern void push_switch (tree);
4530 extern void pop_switch (void);
4531 extern tree make_lambda_name (void);
4532 extern int decls_match (tree, tree);
4533 extern tree duplicate_decls (tree, tree, bool);
4534 extern tree declare_local_label (tree);
4535 extern tree define_label (location_t, tree);
4536 extern void check_goto (tree);
4537 extern bool check_omp_return (void);
4538 extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t);
4539 extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t);
4540 extern tree build_library_fn_ptr (const char *, tree);
4541 extern tree build_cp_library_fn_ptr (const char *, tree);
4542 extern tree push_library_fn (tree, tree, tree);
4543 extern tree push_void_library_fn (tree, tree);
4544 extern tree push_throw_library_fn (tree, tree);
4545 extern tree check_tag_decl (cp_decl_specifier_seq *);
4546 extern tree shadow_tag (cp_decl_specifier_seq *);
4547 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *, bool);
4548 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree, tree *);
4549 extern void start_decl_1 (tree, bool);
4550 extern bool check_array_initializer (tree, tree, tree);
4551 extern void cp_finish_decl (tree, tree, bool, tree, int);
4552 extern int cp_complete_array_type (tree *, tree, bool);
4553 extern tree build_ptrmemfunc_type (tree);
4554 extern tree build_ptrmem_type (tree, tree);
4555 /* the grokdeclarator prototype is in decl.h */
4556 extern tree build_this_parm (tree, cp_cv_quals);
4557 extern int copy_fn_p (const_tree);
4558 extern bool move_fn_p (const_tree);
4559 extern tree get_scope_of_declarator (const cp_declarator *);
4560 extern void grok_special_member_properties (tree);
4561 extern int grok_ctor_properties (const_tree, const_tree);
4562 extern bool grok_op_properties (tree, bool);
4563 extern tree xref_tag (enum tag_types, tree, tag_scope, bool);
4564 extern tree xref_tag_from_type (tree, tree, tag_scope);
4565 extern bool xref_basetypes (tree, tree);
4566 extern tree start_enum (tree, tree, bool);
4567 extern void finish_enum (tree);
4568 extern void build_enumerator (tree, tree, tree);
4569 extern tree lookup_enumerator (tree, tree);
4570 extern void start_preparsed_function (tree, tree, int);
4571 extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree);
4572 extern tree begin_function_body (void);
4573 extern void finish_function_body (tree);
4574 extern tree outer_curly_brace_block (tree);
4575 extern tree finish_function (int);
4576 extern tree grokmethod (cp_decl_specifier_seq *, const cp_declarator *, tree);
4577 extern void maybe_register_incomplete_var (tree);
4578 extern void maybe_commonize_var (tree);
4579 extern void complete_vars (tree);
4580 extern void finish_stmt (void);
4581 extern void revert_static_member_fn (tree);
4582 extern void fixup_anonymous_aggr (tree);
4583 extern int check_static_variable_definition (tree, tree);
4584 extern tree compute_array_index_type (tree, tree);
4585 extern tree check_default_argument (tree, tree);
4586 typedef int (*walk_namespaces_fn) (tree, void *);
4587 extern int walk_namespaces (walk_namespaces_fn,
4589 extern int wrapup_globals_for_namespace (tree, void *);
4590 extern tree create_implicit_typedef (tree, tree);
4591 extern int local_variable_p (const_tree);
4592 extern tree register_dtor_fn (tree);
4593 extern tmpl_spec_kind current_tmpl_spec_kind (int);
4594 extern tree cp_fname_init (const char *, tree *);
4595 extern tree cxx_builtin_function (tree decl);
4596 extern tree cxx_builtin_function_ext_scope (tree decl);
4597 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
4598 extern void warn_extern_redeclared_static (tree, tree);
4599 extern tree cxx_comdat_group (tree);
4600 extern bool cp_missing_noreturn_ok_p (tree);
4601 extern void initialize_artificial_var (tree, tree);
4602 extern tree check_var_type (tree, tree);
4603 extern tree reshape_init (tree, tree);
4605 extern bool defer_mark_used_calls;
4606 extern GTY(()) VEC(tree, gc) *deferred_mark_used_calls;
4607 extern tree finish_case_label (location_t, tree, tree);
4608 extern tree cxx_maybe_build_cleanup (tree);
4611 extern bool check_java_method (tree);
4612 extern tree build_memfn_type (tree, tree, cp_cv_quals);
4613 extern void maybe_retrofit_in_chrg (tree);
4614 extern void maybe_make_one_only (tree);
4615 extern bool vague_linkage_fn_p (tree);
4616 extern void grokclassfn (tree, tree,
4617 enum overload_flags);
4618 extern tree grok_array_decl (tree, tree);
4619 extern tree delete_sanity (tree, tree, bool, int);
4620 extern tree check_classfn (tree, tree, tree);
4621 extern void check_member_template (tree);
4622 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *,
4623 tree, bool, tree, tree);
4624 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *,
4626 extern tree cp_reconstruct_complex_type (tree, tree);
4627 extern void cplus_decl_attributes (tree *, tree, int);
4628 extern void finish_anon_union (tree);
4629 extern void cp_write_global_declarations (void);
4630 extern tree coerce_new_type (tree);
4631 extern tree coerce_delete_type (tree);
4632 extern void comdat_linkage (tree);
4633 extern void determine_visibility (tree);
4634 extern void constrain_class_visibility (tree);
4635 extern void import_export_decl (tree);
4636 extern tree build_cleanup (tree);
4637 extern tree build_offset_ref_call_from_tree (tree, VEC(tree,gc) **);
4638 extern void check_default_args (tree);
4639 extern void mark_used (tree);
4640 extern void finish_static_data_member_decl (tree, tree, bool, tree, int);
4641 extern tree cp_build_parm_decl (tree, tree);
4642 extern tree get_guard (tree);
4643 extern tree get_guard_cond (tree);
4644 extern tree set_guard (tree);
4645 extern tree cxx_callgraph_analyze_expr (tree *, int *);
4646 extern void mark_needed (tree);
4647 extern bool decl_needed_p (tree);
4648 extern void note_vague_linkage_fn (tree);
4649 extern tree build_artificial_parm (tree, tree);
4650 extern bool possibly_inlined_p (tree);
4651 extern int parm_index (tree);
4654 extern void init_error (void);
4655 extern const char *type_as_string (tree, int);
4656 extern const char *type_as_string_translate (tree, int);
4657 extern const char *decl_as_string (tree, int);
4658 extern const char *decl_as_string_translate (tree, int);
4659 extern const char *expr_as_string (tree, int);
4660 extern const char *lang_decl_name (tree, int, bool);
4661 extern const char *language_to_string (enum languages);
4662 extern const char *class_key_or_enum_as_string (tree);
4663 extern void print_instantiation_context (void);
4664 extern void maybe_warn_variadic_templates (void);
4665 extern void maybe_warn_cpp0x (const char *);
4666 extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_CXXDIAG(3,4);
4669 extern void init_exception_processing (void);
4670 extern tree expand_start_catch_block (tree);
4671 extern void expand_end_catch_block (void);
4672 extern tree build_exc_ptr (void);
4673 extern tree build_throw (tree);
4674 extern int nothrow_libfn_p (const_tree);
4675 extern void check_handlers (tree);
4676 extern void choose_personality_routine (enum languages);
4677 extern tree eh_type_info (tree);
4678 extern tree begin_eh_spec_block (void);
4679 extern void finish_eh_spec_block (tree, tree);
4680 extern tree build_eh_type_type (tree);
4683 extern tree cplus_expand_constant (tree);
4686 extern int is_friend (tree, tree);
4687 extern void make_friend_class (tree, tree, bool);
4688 extern void add_friend (tree, tree, bool);
4689 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, bool);
4692 extern tree expand_member_init (tree);
4693 extern void emit_mem_initializers (tree);
4694 extern tree build_aggr_init (tree, tree, int,
4696 extern int is_class_type (tree, int);
4697 extern tree get_type_value (tree);
4698 extern tree build_zero_init (tree, tree, bool);
4699 extern tree build_value_init (tree);
4700 extern tree build_value_init_noctor (tree);
4701 extern tree build_offset_ref (tree, tree, bool);
4702 extern tree build_new (VEC(tree,gc) **, tree, tree,
4703 VEC(tree,gc) **, int,
4705 extern tree build_vec_init (tree, tree, tree, bool, int,
4707 extern tree build_delete (tree, tree,
4708 special_function_kind,
4710 extern void push_base_cleanups (void);
4711 extern tree build_vec_delete (tree, tree,
4712 special_function_kind, int);
4713 extern tree create_temporary_var (tree);
4714 extern void initialize_vtbl_ptrs (tree);
4715 extern tree build_java_class_ref (tree);
4716 extern tree integral_constant_value (tree);
4719 extern void cxx_dup_lang_specific_decl (tree);
4720 extern void yyungetc (int, int);
4722 extern tree unqualified_name_lookup_error (tree);
4723 extern tree unqualified_fn_lookup_error (tree);
4724 extern tree build_lang_decl (enum tree_code, tree, tree);
4725 extern void retrofit_lang_decl (tree);
4726 extern tree copy_decl (tree);
4727 extern tree copy_type (tree);
4728 extern tree cxx_make_type (enum tree_code);
4729 extern tree make_class_type (enum tree_code);
4730 extern bool cxx_init (void);
4731 extern void cxx_finish (void);
4732 extern bool in_main_input_context (void);
4735 extern void init_method (void);
4736 extern tree make_thunk (tree, bool, tree, tree);
4737 extern void finish_thunk (tree);
4738 extern void use_thunk (tree, bool);
4739 extern void synthesize_method (tree);
4740 extern tree lazily_declare_fn (special_function_kind,
4742 extern tree skip_artificial_parms_for (const_tree, tree);
4743 extern int num_artificial_parms_for (const_tree);
4744 extern tree make_alias_for (tree, tree);
4745 extern tree locate_copy (tree, void *);
4746 extern tree locate_ctor (tree, void *);
4747 extern tree locate_dtor (tree, void *);
4750 extern bool maybe_clone_body (tree);
4753 extern bool check_template_shadow (tree);
4754 extern tree get_innermost_template_args (tree, int);
4755 extern void maybe_begin_member_template_processing (tree);
4756 extern void maybe_end_member_template_processing (void);
4757 extern tree finish_member_template_decl (tree);
4758 extern void begin_template_parm_list (void);
4759 extern bool begin_specialization (void);
4760 extern void reset_specialization (void);
4761 extern void end_specialization (void);
4762 extern void begin_explicit_instantiation (void);
4763 extern void end_explicit_instantiation (void);
4764 extern tree check_explicit_specialization (tree, tree, int, int);
4765 extern tree make_auto (void);
4766 extern tree do_auto_deduction (tree, tree, tree);
4767 extern tree type_uses_auto (tree);
4768 extern void append_type_to_template_for_access_check (tree, tree, tree);
4769 extern tree splice_late_return_type (tree, tree);
4770 extern bool is_auto (const_tree);
4771 extern tree process_template_parm (tree, location_t, tree,
4773 extern tree end_template_parm_list (tree);
4774 extern void end_template_decl (void);
4775 extern bool check_default_tmpl_args (tree, tree, int, int, int);
4776 extern tree push_template_decl (tree);
4777 extern tree push_template_decl_real (tree, bool);
4778 extern bool redeclare_class_template (tree, tree);
4779 extern tree lookup_template_class (tree, tree, tree, tree,
4780 int, tsubst_flags_t);
4781 extern tree lookup_template_function (tree, tree);
4782 extern int uses_template_parms (tree);
4783 extern int uses_template_parms_level (tree, int);
4784 extern tree instantiate_class_template (tree);
4785 extern tree instantiate_template (tree, tree, tsubst_flags_t);
4786 extern int fn_type_unification (tree, tree, tree,
4787 const tree *, unsigned int,
4788 tree, unification_kind_t, int);
4789 extern void mark_decl_instantiated (tree, int);
4790 extern int more_specialized_fn (tree, tree, int);
4791 extern void do_decl_instantiation (tree, tree);
4792 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
4793 extern bool always_instantiate_p (tree);
4794 extern tree instantiate_decl (tree, int, bool);
4795 extern int comp_template_parms (const_tree, const_tree);
4796 extern bool uses_parameter_packs (tree);
4797 extern bool template_parameter_pack_p (const_tree);
4798 extern bool function_parameter_pack_p (const_tree);
4799 extern bool function_parameter_expanded_from_pack_p (tree, tree);
4800 extern tree make_pack_expansion (tree);
4801 extern bool check_for_bare_parameter_packs (tree);
4802 extern tree get_template_info (const_tree);
4803 extern tree get_types_needing_access_check (tree);
4804 extern int template_class_depth (tree);
4805 extern int is_specialization_of (tree, tree);
4806 extern bool is_specialization_of_friend (tree, tree);
4807 extern tree get_pattern_parm (tree, tree);
4808 extern int comp_template_args (tree, tree);
4809 extern tree maybe_process_partial_specialization (tree);
4810 extern tree most_specialized_instantiation (tree);
4811 extern void print_candidates (tree);
4812 extern void instantiate_pending_templates (int);
4813 extern tree tsubst_default_argument (tree, tree, tree);
4814 extern tree tsubst (tree, tree, tsubst_flags_t, tree);
4815 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t,
4817 extern tree most_general_template (tree);
4818 extern tree get_mostly_instantiated_function_type (tree);
4819 extern int problematic_instantiation_changed (void);
4820 extern void record_last_problematic_instantiation (void);
4821 extern struct tinst_level *current_instantiation(void);
4822 extern tree maybe_get_template_decl_from_type_decl (tree);
4823 extern int processing_template_parmlist;
4824 extern bool dependent_type_p (tree);
4825 extern bool dependent_scope_p (tree);
4826 extern bool any_dependent_template_arguments_p (const_tree);
4827 extern bool dependent_template_p (tree);
4828 extern bool dependent_template_id_p (tree, tree);
4829 extern bool type_dependent_expression_p (tree);
4830 extern bool any_type_dependent_arguments_p (const VEC(tree,gc) *);
4831 extern bool type_dependent_expression_p_push (tree);
4832 extern bool value_dependent_expression_p (tree);
4833 extern bool any_value_dependent_elements_p (const_tree);
4834 extern bool dependent_omp_for_p (tree, tree, tree, tree);
4835 extern tree resolve_typename_type (tree, bool);
4836 extern tree template_for_substitution (tree);
4837 extern tree build_non_dependent_expr (tree);
4838 extern void make_args_non_dependent (VEC(tree,gc) *);
4839 extern bool reregister_specialization (tree, tree, tree);
4840 extern tree fold_non_dependent_expr (tree);
4841 extern bool explicit_class_specialization_p (tree);
4842 extern struct tinst_level *outermost_tinst_level(void);
4843 extern bool parameter_of_template_p (tree, tree);
4844 extern void init_template_processing (void);
4845 bool template_template_parameter_p (const_tree);
4846 extern tree get_primary_template_innermost_parameters (const_tree);
4847 extern tree get_template_innermost_arguments (const_tree);
4848 extern tree get_template_argument_pack_elems (const_tree);
4849 extern tree get_function_template_decl (const_tree);
4851 extern void init_repo (void);
4852 extern int repo_emit_p (tree);
4853 extern bool repo_export_class_p (const_tree);
4854 extern void finish_repo (void);
4857 /* A vector of all tinfo decls that haven't been emitted yet. */
4858 extern GTY(()) VEC(tree,gc) *unemitted_tinfo_decls;
4860 extern void init_rtti_processing (void);
4861 extern tree build_typeid (tree);
4862 extern tree get_tinfo_decl (tree);
4863 extern tree get_typeid (tree);
4864 extern tree build_headof (tree);
4865 extern tree build_dynamic_cast (tree, tree, tsubst_flags_t);
4866 extern void emit_support_tinfos (void);
4867 extern bool emit_tinfo_decl (tree);
4870 extern bool accessible_base_p (tree, tree, bool);
4871 extern tree lookup_base (tree, tree, base_access,
4873 extern tree dcast_base_hint (tree, tree);
4874 extern int accessible_p (tree, tree, bool);
4875 extern tree lookup_field_1 (tree, tree, bool);
4876 extern tree lookup_field (tree, tree, int, bool);
4877 extern int lookup_fnfields_1 (tree, tree);
4878 extern int class_method_index_for_fn (tree, tree);
4879 extern tree lookup_fnfields (tree, tree, int);
4880 extern tree lookup_member (tree, tree, int, bool);
4881 extern int look_for_overrides (tree, tree);
4882 extern void get_pure_virtuals (tree);
4883 extern void maybe_suppress_debug_info (tree);
4884 extern void note_debug_info_needed (tree);
4885 extern void print_search_statistics (void);
4886 extern void reinit_search_statistics (void);
4887 extern tree current_scope (void);
4888 extern int at_function_scope_p (void);
4889 extern bool at_class_scope_p (void);
4890 extern bool at_namespace_scope_p (void);
4891 extern tree context_for_name_lookup (tree);
4892 extern tree lookup_conversions (tree);
4893 extern tree binfo_from_vbase (tree);
4894 extern tree binfo_for_vbase (tree, tree);
4895 extern tree look_for_overrides_here (tree, tree);
4896 #define dfs_skip_bases ((tree)1)
4897 extern tree dfs_walk_all (tree, tree (*) (tree, void *),
4898 tree (*) (tree, void *), void *);
4899 extern tree dfs_walk_once (tree, tree (*) (tree, void *),
4900 tree (*) (tree, void *), void *);
4901 extern tree binfo_via_virtual (tree, tree);
4902 extern tree build_baselink (tree, tree, tree, tree);
4903 extern tree adjust_result_of_qualified_name_lookup
4905 extern tree copied_binfo (tree, tree);
4906 extern tree original_binfo (tree, tree);
4907 extern int shared_member_p (tree);
4910 /* The representation of a deferred access check. */
4912 typedef struct GTY(()) deferred_access_check {
4913 /* The base class in which the declaration is referenced. */
4915 /* The declaration whose access must be checked. */
4917 /* The declaration that should be used in the error message. */
4919 } deferred_access_check;
4920 DEF_VEC_O(deferred_access_check);
4921 DEF_VEC_ALLOC_O(deferred_access_check,gc);
4923 /* in semantics.c */
4924 extern void push_deferring_access_checks (deferring_kind);
4925 extern void resume_deferring_access_checks (void);
4926 extern void stop_deferring_access_checks (void);
4927 extern void pop_deferring_access_checks (void);
4928 extern VEC (deferred_access_check,gc)* get_deferred_access_checks (void);
4929 extern void pop_to_parent_deferring_access_checks (void);
4930 extern void perform_access_checks (VEC (deferred_access_check,gc)*);
4931 extern void perform_deferred_access_checks (void);
4932 extern void perform_or_defer_access_check (tree, tree, tree);
4933 extern int stmts_are_full_exprs_p (void);
4934 extern void init_cp_semantics (void);
4935 extern tree do_poplevel (tree);
4936 extern void add_decl_expr (tree);
4937 extern tree finish_expr_stmt (tree);
4938 extern tree begin_if_stmt (void);
4939 extern void finish_if_stmt_cond (tree, tree);
4940 extern tree finish_then_clause (tree);
4941 extern void begin_else_clause (tree);
4942 extern void finish_else_clause (tree);
4943 extern void finish_if_stmt (tree);
4944 extern tree begin_while_stmt (void);
4945 extern void finish_while_stmt_cond (tree, tree);
4946 extern void finish_while_stmt (tree);
4947 extern tree begin_do_stmt (void);
4948 extern void finish_do_body (tree);
4949 extern void finish_do_stmt (tree, tree);
4950 extern tree finish_return_stmt (tree);
4951 extern tree begin_for_stmt (void);
4952 extern void finish_for_init_stmt (tree);
4953 extern void finish_for_cond (tree, tree);
4954 extern void finish_for_expr (tree, tree);
4955 extern void finish_for_stmt (tree);
4956 extern tree finish_break_stmt (void);
4957 extern tree finish_continue_stmt (void);
4958 extern tree begin_switch_stmt (void);
4959 extern void finish_switch_cond (tree, tree);
4960 extern void finish_switch_stmt (tree);
4961 extern tree finish_goto_stmt (tree);
4962 extern tree begin_try_block (void);
4963 extern void finish_try_block (tree);
4964 extern void finish_handler_sequence (tree);
4965 extern tree begin_function_try_block (tree *);
4966 extern void finish_function_try_block (tree);
4967 extern void finish_function_handler_sequence (tree, tree);
4968 extern void finish_cleanup_try_block (tree);
4969 extern tree begin_handler (void);
4970 extern void finish_handler_parms (tree, tree);
4971 extern void finish_handler (tree);
4972 extern void finish_cleanup (tree, tree);
4973 extern bool literal_type_p (tree);
4974 extern tree validate_constexpr_fundecl (tree);
4975 extern tree ensure_literal_type_for_constexpr_object (tree);
4982 extern tree begin_compound_stmt (unsigned int);
4984 extern void finish_compound_stmt (tree);
4985 extern tree finish_asm_stmt (int, tree, tree, tree, tree,
4987 extern tree finish_label_stmt (tree);
4988 extern void finish_label_decl (tree);
4989 extern tree finish_parenthesized_expr (tree);
4990 extern tree finish_non_static_data_member (tree, tree, tree);
4991 extern tree begin_stmt_expr (void);
4992 extern tree finish_stmt_expr_expr (tree, tree);
4993 extern tree finish_stmt_expr (tree, bool);
4994 extern tree stmt_expr_value_expr (tree);
4995 extern tree perform_koenig_lookup (tree, VEC(tree,gc) *);
4996 extern tree finish_call_expr (tree, VEC(tree,gc) **, bool,
4997 bool, tsubst_flags_t);
4998 extern tree finish_increment_expr (tree, enum tree_code);
4999 extern tree finish_this_expr (void);
5000 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
5001 extern tree finish_unary_op_expr (enum tree_code, tree);
5002 extern tree finish_compound_literal (tree, tree);
5003 extern tree finish_fname (tree);
5004 extern void finish_translation_unit (void);
5005 extern tree finish_template_type_parm (tree, tree);
5006 extern tree finish_template_template_parm (tree, tree);
5007 extern tree begin_class_definition (tree, tree);
5008 extern void finish_template_decl (tree);
5009 extern tree finish_template_type (tree, tree, int);
5010 extern tree finish_base_specifier (tree, tree, bool);
5011 extern void finish_member_declaration (tree);
5012 extern void qualified_name_lookup_error (tree, tree, tree,
5014 extern tree finish_id_expression (tree, tree, tree,
5017 bool, bool, bool, bool,
5020 extern tree finish_typeof (tree);
5021 extern tree finish_offsetof (tree);
5022 extern void finish_decl_cleanup (tree, tree);
5023 extern void finish_eh_cleanup (tree);
5024 extern void emit_associated_thunks (tree);
5025 extern void finish_mem_initializers (tree);
5026 extern tree check_template_template_default_arg (tree);
5027 extern void expand_or_defer_fn (tree);
5028 extern void check_accessibility_of_qualified_id (tree, tree, tree);
5029 extern tree finish_qualified_id_expr (tree, tree, bool, bool,
5031 extern void simplify_aggr_init_expr (tree *);
5032 extern void finalize_nrv (tree *, tree, tree);
5033 extern void note_decl_for_pch (tree);
5034 extern tree finish_omp_clauses (tree);
5035 extern void finish_omp_threadprivate (tree);
5036 extern tree begin_omp_structured_block (void);
5037 extern tree finish_omp_structured_block (tree);
5038 extern tree begin_omp_parallel (void);
5039 extern tree finish_omp_parallel (tree, tree);
5040 extern tree begin_omp_task (void);
5041 extern tree finish_omp_task (tree, tree);
5042 extern tree finish_omp_for (location_t, tree, tree,
5043 tree, tree, tree, tree, tree);
5044 extern void finish_omp_atomic (enum tree_code, tree, tree);
5045 extern void finish_omp_barrier (void);
5046 extern void finish_omp_flush (void);
5047 extern void finish_omp_taskwait (void);
5048 extern bool cxx_omp_create_clause_info (tree, tree, bool, bool, bool);
5049 extern tree baselink_for_fns (tree);
5050 extern void finish_static_assert (tree, tree, location_t,
5052 extern tree describable_type (tree);
5053 extern tree finish_decltype_type (tree, bool);
5054 extern tree finish_trait_expr (enum cp_trait_kind, tree, tree);
5055 extern tree build_lambda_expr (void);
5056 extern tree build_lambda_object (tree);
5057 extern tree begin_lambda_type (tree);
5058 extern tree lambda_capture_field_type (tree);
5059 extern tree lambda_return_type (tree);
5060 extern tree lambda_function (tree);
5061 extern void apply_lambda_return_type (tree, tree);
5062 extern tree add_capture (tree, tree, tree, bool, bool);
5063 extern tree add_default_capture (tree, tree, tree);
5064 extern tree lambda_expr_this_capture (tree);
5067 void cp_free_lang_data (tree t);
5068 extern tree force_target_expr (tree, tree);
5069 extern tree build_target_expr_with_type (tree, tree);
5070 extern void lang_check_failed (const char *, int,
5071 const char *) ATTRIBUTE_NORETURN;
5072 extern tree stabilize_expr (tree, tree *);
5073 extern void stabilize_call (tree, tree *);
5074 extern void stabilize_aggr_init (tree, tree *);
5075 extern bool stabilize_init (tree, tree *);
5076 extern tree add_stmt_to_compound (tree, tree);
5077 extern void init_tree (void);
5078 extern bool pod_type_p (const_tree);
5079 extern bool layout_pod_type_p (const_tree);
5080 extern bool std_layout_type_p (const_tree);
5081 extern bool trivial_type_p (const_tree);
5082 extern bool type_has_nontrivial_default_init (const_tree);
5083 extern bool type_has_nontrivial_copy_init (const_tree);
5084 extern bool class_tmpl_impl_spec_p (const_tree);
5085 extern int zero_init_p (const_tree);
5086 extern tree strip_typedefs (tree);
5087 extern tree copy_binfo (tree, tree, tree,
5089 extern int member_p (const_tree);
5090 extern cp_lvalue_kind real_lvalue_p (tree);
5091 extern bool lvalue_or_rvalue_with_address_p (const_tree);
5092 extern bool builtin_valid_in_constant_expr_p (const_tree);
5093 extern tree build_min (enum tree_code, tree, ...);
5094 extern tree build_min_nt (enum tree_code, ...);
5095 extern tree build_min_non_dep (enum tree_code, tree, ...);
5096 extern tree build_min_non_dep_call_vec (tree, tree, VEC(tree,gc) *);
5097 extern tree build_cplus_new (tree, tree);
5098 extern tree build_aggr_init_expr (tree, tree);
5099 extern tree get_target_expr (tree);
5100 extern tree build_cplus_array_type (tree, tree);
5101 extern tree build_array_of_n_type (tree, int);
5102 extern tree build_array_copy (tree);
5103 extern tree hash_tree_cons (tree, tree, tree);
5104 extern tree hash_tree_chain (tree, tree);
5105 extern tree build_qualified_name (tree, tree, tree, bool);
5106 extern int is_overloaded_fn (tree);
5107 extern tree get_first_fn (tree);
5108 extern tree ovl_cons (tree, tree);
5109 extern tree build_overload (tree, tree);
5110 extern const char *cxx_printable_name (tree, int);
5111 extern const char *cxx_printable_name_translate (tree, int);
5112 extern tree build_exception_variant (tree, tree);
5113 extern tree bind_template_template_parm (tree, tree);
5114 extern tree array_type_nelts_total (tree);
5115 extern tree array_type_nelts_top (tree);
5116 extern tree break_out_target_exprs (tree);
5117 extern tree get_type_decl (tree);
5118 extern tree decl_namespace_context (tree);
5119 extern bool decl_anon_ns_mem_p (const_tree);
5120 extern tree lvalue_type (tree);
5121 extern tree error_type (tree);
5122 extern int varargs_function_p (const_tree);
5123 extern bool really_overloaded_fn (tree);
5124 extern bool cp_tree_equal (tree, tree);
5125 extern tree no_linkage_check (tree, bool);
5126 extern void debug_binfo (tree);
5127 extern tree build_dummy_object (tree);
5128 extern tree maybe_dummy_object (tree, tree *);
5129 extern int is_dummy_object (const_tree);
5130 extern const struct attribute_spec cxx_attribute_table[];
5131 extern tree make_ptrmem_cst (tree, tree);
5132 extern tree cp_build_type_attribute_variant (tree, tree);
5133 extern tree cp_build_reference_type (tree, bool);
5134 extern tree move (tree);
5135 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
5136 #define cp_build_qualified_type(TYPE, QUALS) \
5137 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
5138 extern special_function_kind special_function_p (const_tree);
5139 extern int count_trees (tree);
5140 extern int char_type_p (tree);
5141 extern void verify_stmt_tree (tree);
5142 extern linkage_kind decl_linkage (tree);
5143 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
5144 void*, struct pointer_set_t*);
5145 #define cp_walk_tree(a,b,c,d) \
5146 walk_tree_1 (a, b, c, d, cp_walk_subtrees)
5147 #define cp_walk_tree_without_duplicates(a,b,c) \
5148 walk_tree_without_duplicates_1 (a, b, c, cp_walk_subtrees)
5149 extern tree fold_if_not_in_template (tree);
5150 extern tree rvalue (tree);
5151 extern tree convert_bitfield_to_declared_type (tree);
5152 extern tree cp_save_expr (tree);
5153 extern bool cast_valid_in_integral_constant_expression_p (tree);
5154 extern bool cxx_type_hash_eq (const_tree, const_tree);
5156 extern void cxx_print_statistics (void);
5159 extern void cxx_print_xnode (FILE *, tree, int);
5160 extern void cxx_print_decl (FILE *, tree, int);
5161 extern void cxx_print_type (FILE *, tree, int);
5162 extern void cxx_print_identifier (FILE *, tree, int);
5163 extern void cxx_print_error_function (struct diagnostic_context *,
5165 struct diagnostic_info *);
5168 extern bool cxx_mark_addressable (tree);
5169 extern int string_conv_p (const_tree, const_tree, int);
5170 extern tree cp_truthvalue_conversion (tree);
5171 extern tree condition_conversion (tree);
5172 extern tree require_complete_type (tree);
5173 extern tree complete_type (tree);
5174 extern tree complete_type_or_else (tree, tree);
5175 extern int type_unknown_p (const_tree);
5176 extern bool comp_except_specs (const_tree, const_tree, bool);
5177 extern bool comptypes (tree, tree, int);
5178 extern bool compparms (const_tree, const_tree);
5179 extern int comp_cv_qualification (const_tree, const_tree);
5180 extern int comp_cv_qual_signature (tree, tree);
5181 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code, bool);
5182 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
5183 extern tree cxx_sizeof_nowarn (tree);
5184 extern tree is_bitfield_expr_with_lowered_type (const_tree);
5185 extern tree unlowered_expr_type (const_tree);
5186 extern tree decay_conversion (tree);
5187 extern tree build_class_member_access_expr (tree, tree, tree, bool,
5189 extern tree finish_class_member_access_expr (tree, tree, bool,
5191 extern tree build_x_indirect_ref (tree, const char *,
5193 extern tree cp_build_indirect_ref (tree, const char *,
5195 extern tree build_array_ref (location_t, tree, tree);
5196 extern tree get_member_function_from_ptrfunc (tree *, tree);
5197 extern tree cp_build_function_call (tree, tree, tsubst_flags_t);
5198 extern tree cp_build_function_call_vec (tree, VEC(tree,gc) **,
5200 extern tree build_x_binary_op (enum tree_code, tree,
5201 enum tree_code, tree,
5202 enum tree_code, bool *,
5204 extern tree build_x_array_ref (tree, tree, tsubst_flags_t);
5205 extern tree build_x_unary_op (enum tree_code, tree,
5207 extern tree cp_build_unary_op (enum tree_code, tree, int,
5209 extern tree unary_complex_lvalue (enum tree_code, tree);
5210 extern tree build_x_conditional_expr (tree, tree, tree,
5212 extern tree build_x_compound_expr_from_list (tree, const char *);
5213 extern tree build_x_compound_expr_from_vec (VEC(tree,gc) *, const char *);
5214 extern tree build_x_compound_expr (tree, tree, tsubst_flags_t);
5215 extern tree build_compound_expr (location_t, tree, tree);
5216 extern tree cp_build_compound_expr (tree, tree, tsubst_flags_t);
5217 extern tree build_static_cast (tree, tree, tsubst_flags_t);
5218 extern tree build_reinterpret_cast (tree, tree, tsubst_flags_t);
5219 extern tree build_const_cast (tree, tree, tsubst_flags_t);
5220 extern tree build_c_cast (location_t, tree, tree);
5221 extern tree cp_build_c_cast (tree, tree, tsubst_flags_t);
5222 extern tree build_x_modify_expr (tree, enum tree_code, tree,
5224 extern tree cp_build_modify_expr (tree, enum tree_code, tree,
5226 extern tree convert_for_initialization (tree, tree, tree, int,
5227 const char *, tree, int,
5229 extern int comp_ptr_ttypes (tree, tree);
5230 extern bool comp_ptr_ttypes_const (tree, tree);
5231 extern int ptr_reasonably_similar (const_tree, const_tree);
5232 extern tree build_ptrmemfunc (tree, tree, int, bool);
5233 extern int cp_type_quals (const_tree);
5234 extern bool cp_type_readonly (const_tree);
5235 extern bool cp_has_mutable_p (const_tree);
5236 extern bool at_least_as_qualified_p (const_tree, const_tree);
5237 extern void cp_apply_type_quals_to_decl (int, tree);
5238 extern tree build_ptrmemfunc1 (tree, tree, tree);
5239 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
5240 extern tree type_after_usual_arithmetic_conversions (tree, tree);
5241 extern tree common_pointer_type (tree, tree);
5242 extern tree composite_pointer_type (tree, tree, tree, tree,
5243 const char*, tsubst_flags_t);
5244 extern tree merge_types (tree, tree);
5245 extern tree check_return_expr (tree, bool *);
5246 extern tree cp_build_binary_op (location_t,
5247 enum tree_code, tree, tree,
5249 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
5250 extern tree build_ptrmemfunc_access_expr (tree, tree);
5251 extern tree build_address (tree);
5252 extern tree build_typed_address (tree, tree);
5253 extern tree build_nop (tree, tree);
5254 extern tree non_reference (tree);
5255 extern tree lookup_anon_field (tree, tree);
5256 extern bool invalid_nonstatic_memfn_p (const_tree, tsubst_flags_t);
5257 extern tree convert_member_func_to_ptr (tree, tree);
5258 extern tree convert_ptrmem (tree, tree, bool, bool);
5259 extern int lvalue_or_else (tree, enum lvalue_use,
5261 extern void check_template_keyword (tree);
5264 extern void require_complete_eh_spec_types (tree, tree);
5265 extern void cxx_incomplete_type_diagnostic (const_tree, const_tree, diagnostic_t);
5266 #undef cxx_incomplete_type_error
5267 extern void cxx_incomplete_type_error (const_tree, const_tree);
5268 #define cxx_incomplete_type_error(V,T) \
5269 (cxx_incomplete_type_diagnostic ((V), (T), DK_ERROR))
5270 extern tree error_not_base_type (tree, tree);
5271 extern tree binfo_or_else (tree, tree);
5272 extern void readonly_error (tree, const char *);
5273 extern void complete_type_check_abstract (tree);
5274 extern int abstract_virtuals_error (tree, tree);
5276 extern tree store_init_value (tree, tree, int);
5277 extern void check_narrowing (tree, tree);
5278 extern tree digest_init (tree, tree);
5279 extern tree digest_init_flags (tree, tree, int);
5280 extern tree build_scoped_ref (tree, tree, tree *);
5281 extern tree build_x_arrow (tree);
5282 extern tree build_m_component_ref (tree, tree);
5283 extern tree build_functional_cast (tree, tree, tsubst_flags_t);
5284 extern tree add_exception_specifier (tree, tree, int);
5285 extern tree merge_exception_specifiers (tree, tree);
5288 extern void init_mangle (void);
5289 extern void mangle_decl (tree);
5290 extern const char *mangle_type_string_for_rtti (tree);
5291 extern tree mangle_typeinfo_for_type (tree);
5292 extern tree mangle_typeinfo_string_for_type (tree);
5293 extern tree mangle_vtbl_for_type (tree);
5294 extern tree mangle_vtt_for_type (tree);
5295 extern tree mangle_ctor_vtbl_for_type (tree, tree);
5296 extern tree mangle_thunk (tree, int, tree, tree);
5297 extern tree mangle_conv_op_name_for_type (tree);
5298 extern tree mangle_guard_variable (tree);
5299 extern tree mangle_ref_init_variable (tree);
5302 extern bool cp_dump_tree (void *, tree);
5304 /* In cp/cp-objcp-common.c. */
5306 extern alias_set_type cxx_get_alias_set (tree);
5307 extern bool cxx_warn_unused_global_decl (const_tree);
5308 extern tree cp_expr_size (const_tree);
5309 extern size_t cp_tree_size (enum tree_code);
5310 extern bool cp_var_mod_type_p (tree, tree);
5311 extern void cxx_initialize_diagnostics (struct diagnostic_context *);
5312 extern int cxx_types_compatible_p (tree, tree);
5313 extern void init_shadowed_var_for_decl (void);
5315 /* in cp-gimplify.c */
5316 extern int cp_gimplify_expr (tree *, gimple_seq *,
5318 extern void cp_genericize (tree);
5319 extern enum omp_clause_default_kind cxx_omp_predetermined_sharing (tree);
5320 extern tree cxx_omp_clause_default_ctor (tree, tree, tree);
5321 extern tree cxx_omp_clause_copy_ctor (tree, tree, tree);
5322 extern tree cxx_omp_clause_assign_op (tree, tree, tree);
5323 extern tree cxx_omp_clause_dtor (tree, tree);
5324 extern void cxx_omp_finish_clause (tree);
5325 extern bool cxx_omp_privatize_by_reference (const_tree);
5329 #endif /* ! GCC_CP_TREE_H */