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
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"
34 struct diagnostic_context;
35 struct diagnostic_info;
37 /* Usage of TREE_LANG_FLAG_?:
38 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
39 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
40 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
41 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
42 TREE_INDIRECT_USING (in NAMESPACE_DECL).
43 CLEANUP_P (in TRY_BLOCK)
44 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
45 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF)
46 PAREN_STRING_LITERAL (in STRING_CST)
47 DECL_PRETTY_FUNCTION_P (in VAR_DECL)
48 KOENIG_LOOKUP_P (in CALL_EXPR)
49 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
50 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
51 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
52 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
53 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
54 REFERENCE_REF_P (in INDIRECT_EXPR)
55 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF)
56 OMP_FOR_GIMPLIFYING_P (in OMP_FOR)
57 BASELINK_QUALIFIED_P (in BASELINK)
58 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
59 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
60 TYPE_REF_IS_RVALUE (in REFERENCE_TYPE)
61 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
62 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
63 1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
64 TI_PENDING_TEMPLATE_FLAG.
65 TEMPLATE_PARMS_FOR_INLINE.
66 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
67 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
68 ICS_ELLIPSIS_FLAG (in _CONV)
69 DECL_INITIALIZED_P (in VAR_DECL)
70 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
71 STMT_IS_FULL_EXPR_P (in _STMT)
72 2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE)
73 ICS_THIS_FLAG (in _CONV)
74 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
75 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
76 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
77 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
78 ICS_BAD_FLAG (in _CONV)
79 FN_TRY_BLOCK_P (in TRY_BLOCK)
80 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
81 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
82 DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL)
83 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
85 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
86 DECL_TINFO_P (in VAR_DECL)
87 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
88 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
89 6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE)
90 DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL)
91 TYPE_MARKED_P (in _TYPE)
93 Usage of TYPE_LANG_FLAG_?:
95 1: TYPE_HAS_USER_CONSTRUCTOR.
98 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
100 6: TYPE_DEPENDENT_P_VALID
102 Usage of DECL_LANG_FLAG_?:
103 0: DECL_ERROR_REPORTED (in VAR_DECL).
104 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
105 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
106 DECL_MUTABLE_P (in FIELD_DECL)
107 DECL_DEPENDENT_P (in USING_DECL)
108 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
109 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
110 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
111 FUNCTION_PARAMETER_PACK_P (in PARM_DECL)
112 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
113 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
115 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
116 DECL_ANON_UNION_VAR_P (in a VAR_DECL)
117 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
118 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
119 5: DECL_INTERFACE_KNOWN.
120 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
121 DECL_FIELD_IS_BASE (in FIELD_DECL)
122 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
123 DECL_THUNK_P (in a member FUNCTION_DECL)
125 Usage of language-independent fields in a language-dependent manner:
128 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
129 forth as a substitute for the mark bits provided in `lang_type'.
130 At present, only the six low-order bits are used.
133 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO.
134 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS
137 For a binfo, this is a TREE_LIST. There is an entry for each
138 virtual function declared either in BINFO or its direct and
139 indirect primary bases.
141 The BV_DELTA of each node gives the amount by which to adjust the
142 `this' pointer when calling the function. If the method is an
143 overridden version of a base class method, then it is assumed
144 that, prior to adjustment, the this pointer points to an object
147 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
148 index of the vcall offset for this entry.
150 The BV_FN is the declaration for the virtual function itself.
153 This is an expression with POINTER_TYPE that gives the value
154 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
155 to extract the VAR_DECL for the complete vtable.
158 For a VAR_DECL this is DECL_ANON_UNION_ELEMS.
161 This field is NULL for a non-virtual function. For a virtual
162 function, it is eventually set to an INTEGER_CST indicating the
163 index in the vtable at which this function can be found. When
164 a virtual function is declared, but before it is known what
165 function is overridden, this field is the error_mark_node.
167 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
168 the virtual function this one overrides, and whose TREE_CHAIN is
169 the old DECL_VINDEX. */
171 /* Language-specific tree checkers. */
173 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
174 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
176 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
177 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
179 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
180 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
182 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
183 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
185 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
186 #define NON_THUNK_FUNCTION_CHECK(NODE) __extension__ \
187 ({ __typeof(NODE) const __t = (NODE); \
188 if (TREE_CODE (__t) != FUNCTION_DECL && \
189 TREE_CODE (__t) != TEMPLATE_DECL && __t->decl_common.lang_specific \
190 && __t->decl_common.lang_specific->decl_flags.thunk_p) \
191 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
193 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
194 ({ __typeof (NODE) const __t = (NODE); \
195 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \
196 || !__t->decl_common.lang_specific->decl_flags.thunk_p) \
197 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
200 #define NON_THUNK_FUNCTION_CHECK(NODE) (NODE)
201 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
204 /* Language-dependent contents of an identifier. */
206 struct lang_identifier GTY(())
208 struct c_common_identifier c_common;
209 cxx_binding *namespace_bindings;
210 cxx_binding *bindings;
211 tree class_template_info;
215 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
216 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
217 and C_RID_YYCODE is the token number wanted by Yacc. */
219 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
221 #define LANG_IDENTIFIER_CAST(NODE) \
222 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
224 struct template_parm_index_s GTY(())
226 struct tree_common common;
232 typedef struct template_parm_index_s template_parm_index;
234 struct ptrmem_cst GTY(())
236 struct tree_common common;
237 /* This isn't used, but the middle-end expects all constants to have
242 typedef struct ptrmem_cst * ptrmem_cst_t;
244 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
245 namespace_binding ((NODE), global_namespace)
246 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
247 set_namespace_binding ((NODE), global_namespace, (VAL))
248 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
249 namespace_binding ((NODE), current_namespace)
250 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
251 set_namespace_binding ((NODE), current_namespace, (VAL))
253 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
255 #define BIND_EXPR_TRY_BLOCK(NODE) \
256 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
258 /* Used to mark the block around the member initializers and cleanups. */
259 #define BIND_EXPR_BODY_BLOCK(NODE) \
260 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
261 #define FUNCTION_NEEDS_BODY_BLOCK(NODE) \
262 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE))
264 #define STATEMENT_LIST_NO_SCOPE(NODE) \
265 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
266 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
267 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
269 /* Nonzero if this statement should be considered a full-expression,
270 i.e., if temporaries created during this statement should have
271 their destructors run at the end of this statement. */
272 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
274 /* Marks the result of a statement expression. */
275 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
276 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
278 /* Nonzero if this statement-expression does not have an associated scope. */
279 #define STMT_EXPR_NO_SCOPE(NODE) \
280 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
282 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
284 #define same_type_p(TYPE1, TYPE2) \
285 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
287 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
288 top-level qualifiers. */
289 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
290 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
292 /* Nonzero if we are presently building a statement tree, rather
293 than expanding each statement as we encounter it. */
294 #define building_stmt_tree() (cur_stmt_list != NULL_TREE)
296 /* Returns nonzero iff NODE is a declaration for the global function
298 #define DECL_MAIN_P(NODE) \
299 (DECL_EXTERN_C_FUNCTION_P (NODE) \
300 && DECL_NAME (NODE) != NULL_TREE \
301 && MAIN_NAME_P (DECL_NAME (NODE))) \
304 /* The overloaded FUNCTION_DECL. */
305 #define OVL_FUNCTION(NODE) \
306 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
307 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
308 /* Polymorphic access to FUNCTION and CHAIN. */
309 #define OVL_CURRENT(NODE) \
310 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
311 #define OVL_NEXT(NODE) \
312 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
313 /* If set, this was imported in a using declaration.
314 This is not to confuse with being used somewhere, which
315 is not important for this node. */
316 #define OVL_USED(NODE) TREE_USED (NODE)
318 struct tree_overload GTY(())
320 struct tree_common common;
324 /* Returns true iff NODE is a BASELINK. */
325 #define BASELINK_P(NODE) \
326 (TREE_CODE (NODE) == BASELINK)
327 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
328 #define BASELINK_BINFO(NODE) \
329 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
330 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
331 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
332 #define BASELINK_FUNCTIONS(NODE) \
333 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
334 /* The BINFO in which the search for the functions indicated by this baselink
335 began. This base is used to determine the accessibility of functions
336 selected by overload resolution. */
337 #define BASELINK_ACCESS_BINFO(NODE) \
338 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
339 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
340 to which the conversion should occur. This value is important if
341 the BASELINK_FUNCTIONS include a template conversion operator --
342 the BASELINK_OPTYPE can be used to determine what type the user
344 #define BASELINK_OPTYPE(NODE) \
345 (TREE_CHAIN (BASELINK_CHECK (NODE)))
346 /* Nonzero if this baselink was from a qualified lookup. */
347 #define BASELINK_QUALIFIED_P(NODE) \
348 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE))
350 struct tree_baselink GTY(())
352 struct tree_common common;
358 /* The different kinds of ids that we encounter. */
360 typedef enum cp_id_kind
362 /* Not an id at all. */
364 /* An unqualified-id that is not a template-id. */
365 CP_ID_KIND_UNQUALIFIED,
366 /* An unqualified-id that is a dependent name. */
367 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
368 /* An unqualified template-id. */
369 CP_ID_KIND_TEMPLATE_ID,
370 /* A qualified-id. */
374 /* Macros for access to language-specific slots in an identifier. */
376 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
377 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
378 #define IDENTIFIER_TEMPLATE(NODE) \
379 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
381 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
382 identifier. It's PREVIOUS is the next outermost binding. Each
383 VALUE field is a DECL for the associated declaration. Thus,
384 name lookup consists simply of pulling off the node at the front
385 of the list (modulo oddities for looking up the names of types,
386 and such.) You can use SCOPE field to determine the scope
387 that bound the name. */
388 #define IDENTIFIER_BINDING(NODE) \
389 (LANG_IDENTIFIER_CAST (NODE)->bindings)
391 /* TREE_TYPE only indicates on local and class scope the current
392 type. For namespace scope, the presence of a type in any namespace
393 is indicated with global_type_node, and the real type behind must
394 be found through lookup. */
395 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
396 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
397 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
398 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
400 #define IDENTIFIER_LABEL_VALUE(NODE) \
401 (LANG_IDENTIFIER_CAST (NODE)->label_value)
402 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
403 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
405 /* Nonzero if this identifier is used as a virtual function name somewhere
406 (optimizes searches). */
407 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
409 /* Nonzero if this identifier is the prefix for a mangled C++ operator
411 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
413 /* Nonzero if this identifier is the name of a type-conversion
415 #define IDENTIFIER_TYPENAME_P(NODE) \
416 TREE_LANG_FLAG_4 (NODE)
418 /* Nonzero if this identifier is the name of a constructor or
420 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
421 TREE_LANG_FLAG_3 (NODE)
423 /* True iff NAME is the DECL_ASSEMBLER_NAME for an entity with vague
424 linkage which the prelinker has assigned to this translation
426 #define IDENTIFIER_REPO_CHOSEN(NAME) \
427 (TREE_LANG_FLAG_6 (NAME))
429 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
430 #define C_TYPE_FIELDS_READONLY(TYPE) \
431 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
433 /* The tokens stored in the default argument. */
435 #define DEFARG_TOKENS(NODE) \
436 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
437 #define DEFARG_INSTANTIATIONS(NODE) \
438 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->instantiations)
440 struct tree_default_arg GTY (())
442 struct tree_common common;
443 struct cp_token_cache *tokens;
444 VEC(tree,gc) *instantiations;
447 /* The condition associated with the static assertion. This must be
448 an integral constant expression. */
449 #define STATIC_ASSERT_CONDITION(NODE) \
450 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition)
452 /* The message associated with the static assertion. This must be a
453 string constant, which will be emitted as an error message when the
454 static assert condition is false. */
455 #define STATIC_ASSERT_MESSAGE(NODE) \
456 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message)
458 /* Source location information for a static assertion. */
459 #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \
460 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location)
462 struct tree_static_assert GTY (())
464 struct tree_common common;
470 struct tree_argument_pack_select GTY (())
472 struct tree_common common;
477 /* The different kinds of traits that we encounter. */
479 typedef enum cp_trait_kind
481 CPTK_HAS_NOTHROW_ASSIGN,
482 CPTK_HAS_NOTHROW_CONSTRUCTOR,
483 CPTK_HAS_NOTHROW_COPY,
484 CPTK_HAS_TRIVIAL_ASSIGN,
485 CPTK_HAS_TRIVIAL_CONSTRUCTOR,
486 CPTK_HAS_TRIVIAL_COPY,
487 CPTK_HAS_TRIVIAL_DESTRUCTOR,
488 CPTK_HAS_VIRTUAL_DESTRUCTOR,
492 CPTK_IS_CONVERTIBLE_TO,
500 /* The types that we are processing. */
501 #define TRAIT_EXPR_TYPE1(NODE) \
502 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1)
504 #define TRAIT_EXPR_TYPE2(NODE) \
505 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2)
507 /* The specific trait that we are processing. */
508 #define TRAIT_EXPR_KIND(NODE) \
509 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind)
511 struct tree_trait_expr GTY (())
513 struct tree_common common;
516 enum cp_trait_kind kind;
519 enum cp_tree_node_structure_enum {
530 TS_CP_ARGUMENT_PACK_SELECT,
535 /* The resulting tree type. */
536 union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"),
537 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
539 union tree_node GTY ((tag ("TS_CP_GENERIC"),
540 desc ("tree_node_structure (&%h)"))) generic;
541 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
542 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
543 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
544 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
545 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
546 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
547 struct tree_static_assert GTY ((tag ("TS_CP_STATIC_ASSERT")))
549 struct tree_argument_pack_select GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT")))
550 argument_pack_select;
551 struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR")))
559 CPTI_JAVA_SHORT_TYPE,
562 CPTI_JAVA_FLOAT_TYPE,
563 CPTI_JAVA_DOUBLE_TYPE,
565 CPTI_JAVA_BOOLEAN_TYPE,
568 CPTI_VTABLE_ENTRY_TYPE,
570 CPTI_VTABLE_INDEX_TYPE,
581 CPTI_CONST_TYPE_INFO_TYPE,
582 CPTI_TYPE_INFO_PTR_TYPE,
584 CPTI_GLOBAL_DELETE_FNDECL,
587 CPTI_CTOR_IDENTIFIER,
588 CPTI_COMPLETE_CTOR_IDENTIFIER,
589 CPTI_BASE_CTOR_IDENTIFIER,
590 CPTI_DTOR_IDENTIFIER,
591 CPTI_COMPLETE_DTOR_IDENTIFIER,
592 CPTI_BASE_DTOR_IDENTIFIER,
593 CPTI_DELETING_DTOR_IDENTIFIER,
594 CPTI_DELTA_IDENTIFIER,
595 CPTI_IN_CHARGE_IDENTIFIER,
596 CPTI_VTT_PARM_IDENTIFIER,
597 CPTI_NELTS_IDENTIFIER,
598 CPTI_THIS_IDENTIFIER,
600 CPTI_VPTR_IDENTIFIER,
604 CPTI_LANG_NAME_CPLUSPLUS,
607 CPTI_EMPTY_EXCEPT_SPEC,
610 CPTI_CALL_UNEXPECTED,
611 CPTI_ATEXIT_FN_PTR_TYPE,
621 extern GTY(()) tree cp_global_trees[CPTI_MAX];
623 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
624 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
625 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
626 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
627 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
628 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
629 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
630 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
632 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
633 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
634 /* The type used to represent an offset by which to adjust the `this'
635 pointer in pointer-to-member types. */
636 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
637 /* The type used to represent an index into the vtable. */
638 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
640 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
641 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
642 #define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE]
643 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
644 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
645 #define std_node cp_global_trees[CPTI_STD]
646 #define abi_node cp_global_trees[CPTI_ABI]
647 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
648 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
649 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
650 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
651 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
653 /* We cache these tree nodes so as to call get_identifier less
656 /* The name of a constructor that takes an in-charge parameter to
657 decide whether or not to construct virtual base classes. */
658 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
659 /* The name of a constructor that constructs virtual base classes. */
660 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
661 /* The name of a constructor that does not construct virtual base classes. */
662 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
663 /* The name of a destructor that takes an in-charge parameter to
664 decide whether or not to destroy virtual base classes and whether
665 or not to delete the object. */
666 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
667 /* The name of a destructor that destroys virtual base classes. */
668 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
669 /* The name of a destructor that does not destroy virtual base
671 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
672 /* The name of a destructor that destroys virtual base classes, and
673 then deletes the entire object. */
674 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
675 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
676 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
677 /* The name of the parameter that contains a pointer to the VTT to use
678 for this subobject constructor or destructor. */
679 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
680 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
681 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
682 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
683 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
684 /* The name of the std namespace. */
685 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
686 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
687 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
688 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
690 /* Exception specifier used for throw(). */
691 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
693 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
694 #define jclass_node cp_global_trees[CPTI_JCLASS]
696 /* The declaration for `std::terminate'. */
697 #define terminate_node cp_global_trees[CPTI_TERMINATE]
699 /* The declaration for "__cxa_call_unexpected". */
700 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
702 /* The type of the function-pointer argument to "__cxa_atexit" (or
703 "std::atexit", if "__cxa_atexit" is not being used). */
704 #define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]
706 /* A pointer to `std::atexit'. */
707 #define atexit_node cp_global_trees[CPTI_ATEXIT]
709 /* A pointer to `__dso_handle'. */
710 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
712 /* The declaration of the dynamic_cast runtime. */
713 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
715 /* The type of a destructor. */
716 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
718 /* The type of the vtt parameter passed to subobject constructors and
720 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
722 /* A TREE_LIST of the dynamic classes whose vtables may have to be
723 emitted in this translation unit. */
725 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
727 /* Node to indicate default access. This must be distinct from the
728 access nodes in tree.h. */
730 #define access_default_node null_node
734 struct saved_scope GTY(())
736 VEC(cxx_saved_binding,gc) *old_bindings;
741 tree access_specifier;
743 VEC(tree,gc) *lang_base;
746 struct cp_binding_level *x_previous_class_level;
749 int x_processing_template_decl;
750 int x_processing_specialization;
751 BOOL_BITFIELD x_processing_explicit_instantiation : 1;
752 BOOL_BITFIELD need_pop_function_context : 1;
753 BOOL_BITFIELD skip_evaluation : 1;
755 struct stmt_tree_s x_stmt_tree;
757 struct cp_binding_level *class_bindings;
758 struct cp_binding_level *bindings;
760 struct saved_scope *prev;
763 /* The current open namespace. */
765 #define current_namespace scope_chain->old_namespace
767 /* The stack for namespaces of current declarations. */
769 #define decl_namespace_list scope_chain->decl_ns_list
771 /* IDENTIFIER_NODE: name of current class */
773 #define current_class_name scope_chain->class_name
775 /* _TYPE: the type of the current class */
777 #define current_class_type scope_chain->class_type
779 /* When parsing a class definition, the access specifier most recently
780 given by the user, or, if no access specifier was given, the
781 default value appropriate for the kind of class (i.e., struct,
784 #define current_access_specifier scope_chain->access_specifier
786 /* Pointer to the top of the language name stack. */
788 #define current_lang_base scope_chain->lang_base
789 #define current_lang_name scope_chain->lang_name
791 /* When parsing a template declaration, a TREE_LIST represents the
792 active template parameters. Each node in the list represents one
793 level of template parameters. The innermost level is first in the
794 list. The depth of each level is stored as an INTEGER_CST in the
795 TREE_PURPOSE of each node. The parameters for that level are
796 stored in the TREE_VALUE. */
798 #define current_template_parms scope_chain->template_parms
800 #define processing_template_decl scope_chain->x_processing_template_decl
801 #define processing_specialization scope_chain->x_processing_specialization
802 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
804 /* The cached class binding level, from the most recently exited
805 class, or NULL if none. */
807 #define previous_class_level scope_chain->x_previous_class_level
809 /* A list of private types mentioned, for deferred access checking. */
811 extern GTY(()) struct saved_scope *scope_chain;
813 struct cxx_int_tree_map GTY(())
819 extern unsigned int cxx_int_tree_map_hash (const void *);
820 extern int cxx_int_tree_map_eq (const void *, const void *);
822 /* Global state pertinent to the current function. */
824 struct language_function GTY(())
826 struct c_language_function base;
829 tree x_current_class_ptr;
830 tree x_current_class_ref;
831 tree x_eh_spec_block;
832 tree x_in_charge_parm;
836 BOOL_BITFIELD returns_value : 1;
837 BOOL_BITFIELD returns_null : 1;
838 BOOL_BITFIELD returns_abnormally : 1;
839 BOOL_BITFIELD in_function_try_handler : 1;
840 BOOL_BITFIELD in_base_initializer : 1;
842 /* True if this function can throw an exception. */
843 BOOL_BITFIELD can_throw : 1;
845 htab_t GTY((param_is(struct named_label_entry))) x_named_labels;
846 struct cp_binding_level *bindings;
847 VEC(tree,gc) *x_local_names;
848 htab_t GTY((param_is (struct cxx_int_tree_map))) extern_decl_map;
851 /* The current C++-specific per-function global variables. */
853 #define cp_function_chain (cfun->language)
855 /* In a constructor destructor, the point at which all derived class
856 destroying/construction has been done. I.e., just before a
857 constructor returns, or before any base class destroying will be done
860 #define cdtor_label cp_function_chain->x_cdtor_label
862 /* When we're processing a member function, current_class_ptr is the
863 PARM_DECL for the `this' pointer. The current_class_ref is an
864 expression for `*this'. */
866 #define current_class_ptr \
867 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
868 #define current_class_ref \
869 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
871 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
874 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
876 /* The `__in_chrg' parameter for the current function. Only used for
877 constructors and destructors. */
879 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
881 /* The `__vtt_parm' parameter for the current function. Only used for
882 constructors and destructors. */
884 #define current_vtt_parm cp_function_chain->x_vtt_parm
886 /* Set to 0 at beginning of a function definition, set to 1 if
887 a return statement that specifies a return value is seen. */
889 #define current_function_returns_value cp_function_chain->returns_value
891 /* Set to 0 at beginning of a function definition, set to 1 if
892 a return statement with no argument is seen. */
894 #define current_function_returns_null cp_function_chain->returns_null
896 /* Set to 0 at beginning of a function definition, set to 1 if
897 a call to a noreturn function is seen. */
899 #define current_function_returns_abnormally \
900 cp_function_chain->returns_abnormally
902 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
903 #define in_base_initializer cp_function_chain->in_base_initializer
905 #define in_function_try_handler cp_function_chain->in_function_try_handler
907 /* Expression always returned from function, or error_mark_node
908 otherwise, for use by the automatic named return value optimization. */
910 #define current_function_return_value \
911 (cp_function_chain->x_return_value)
913 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
914 new" or "operator delete". */
915 #define NEW_DELETE_OPNAME_P(NAME) \
916 ((NAME) == ansi_opname (NEW_EXPR) \
917 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
918 || (NAME) == ansi_opname (DELETE_EXPR) \
919 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
921 #define ansi_opname(CODE) \
922 (operator_name_info[(int) (CODE)].identifier)
923 #define ansi_assopname(CODE) \
924 (assignment_operator_name_info[(int) (CODE)].identifier)
926 /* True if NODE is an erroneous expression. */
928 #define error_operand_p(NODE) \
929 ((NODE) == error_mark_node \
930 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
932 /* TRUE if a tree code represents a statement. */
933 extern bool statement_code_p[MAX_TREE_CODES];
935 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
937 enum languages { lang_c, lang_cplusplus, lang_java };
939 /* Macros to make error reporting functions' lives easier. */
940 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
941 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
942 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
943 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
944 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
946 /* Nonzero if NODE has no name for linkage purposes. */
947 #define TYPE_ANONYMOUS_P(NODE) \
948 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
950 /* The _DECL for this _TYPE. */
951 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
953 /* Nonzero if T is a class (or struct or union) type. Also nonzero
954 for template type parameters, typename types, and instantiated
955 template template parameters. Keep these checks in ascending code
957 #define MAYBE_CLASS_TYPE_P(T) \
958 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
959 || TREE_CODE (T) == TYPENAME_TYPE \
960 || TREE_CODE (T) == TYPEOF_TYPE \
961 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
962 || TREE_CODE (T) == DECLTYPE_TYPE \
963 || TYPE_LANG_FLAG_5 (T))
965 /* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or
967 #define SET_CLASS_TYPE_P(T, VAL) \
968 (TYPE_LANG_FLAG_5 (T) = (VAL))
970 /* Nonzero if T is a class type. Zero for template type parameters,
971 typename types, and so forth. */
972 #define CLASS_TYPE_P(T) \
973 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
975 /* Nonzero if T is a class type but not an union. */
976 #define NON_UNION_CLASS_TYPE_P(T) \
977 (CLASS_TYPE_P (T) && TREE_CODE (T) != UNION_TYPE)
979 /* Keep these checks in ascending code order. */
980 #define RECORD_OR_UNION_CODE_P(T) \
981 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
982 #define TAGGED_TYPE_P(T) \
983 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
984 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
986 /* True if this a "Java" type, defined in 'extern "Java"'. */
987 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
989 /* True if this type is dependent. This predicate is only valid if
990 TYPE_DEPENDENT_P_VALID is true. */
991 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
993 /* True if dependent_type_p has been called for this type, with the
994 result that TYPE_DEPENDENT_P is valid. */
995 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
997 /* Nonzero if this type is const-qualified. */
998 #define CP_TYPE_CONST_P(NODE) \
999 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
1001 /* Nonzero if this type is volatile-qualified. */
1002 #define CP_TYPE_VOLATILE_P(NODE) \
1003 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
1005 /* Nonzero if this type is restrict-qualified. */
1006 #define CP_TYPE_RESTRICT_P(NODE) \
1007 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
1009 /* Nonzero if this type is const-qualified, but not
1010 volatile-qualified. Other qualifiers are ignored. This macro is
1011 used to test whether or not it is OK to bind an rvalue to a
1013 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
1014 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
1017 #define FUNCTION_ARG_CHAIN(NODE) \
1018 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1020 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
1021 which refers to a user-written parameter. */
1022 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
1023 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
1025 /* Similarly, but for DECL_ARGUMENTS. */
1026 #define FUNCTION_FIRST_USER_PARM(NODE) \
1027 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
1029 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
1030 ambiguity issues. */
1031 #define DERIVED_FROM_P(PARENT, TYPE) \
1032 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
1033 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
1035 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
1036 (lookup_base ((TYPE), (PARENT), ba_unique | ba_quiet, NULL) != NULL_TREE)
1037 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
1038 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
1039 (lookup_base ((TYPE), (PARENT), ba_ignore_scope | ba_check | ba_quiet, \
1042 /* Gives the visibility specification for a class type. */
1043 #define CLASSTYPE_VISIBILITY(TYPE) \
1044 DECL_VISIBILITY (TYPE_NAME (TYPE))
1045 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
1046 DECL_VISIBILITY_SPECIFIED (TYPE_NAME (TYPE))
1048 typedef struct tree_pair_s GTY (())
1053 typedef tree_pair_s *tree_pair_p;
1054 DEF_VEC_O (tree_pair_s);
1055 DEF_VEC_ALLOC_O (tree_pair_s,gc);
1057 /* This is a few header flags for 'struct lang_type'. Actually,
1058 all but the first are used only for lang_type_class; they
1059 are put in this structure to save space. */
1060 struct lang_type_header GTY(())
1062 BOOL_BITFIELD is_lang_type_class : 1;
1064 BOOL_BITFIELD has_type_conversion : 1;
1065 BOOL_BITFIELD has_init_ref : 1;
1066 BOOL_BITFIELD has_default_ctor : 1;
1067 BOOL_BITFIELD const_needs_init : 1;
1068 BOOL_BITFIELD ref_needs_init : 1;
1069 BOOL_BITFIELD has_const_assign_ref : 1;
1071 BOOL_BITFIELD spare : 1;
1074 /* This structure provides additional information above and beyond
1075 what is provide in the ordinary tree_type. In the past, we used it
1076 for the types of class types, template parameters types, typename
1077 types, and so forth. However, there can be many (tens to hundreds
1078 of thousands) of template parameter types in a compilation, and
1079 there's no need for this additional information in that case.
1080 Therefore, we now use this data structure only for class types.
1082 In the past, it was thought that there would be relatively few
1083 class types. However, in the presence of heavy use of templates,
1084 many (i.e., thousands) of classes can easily be generated.
1085 Therefore, we should endeavor to keep the size of this structure to
1087 struct lang_type_class GTY(())
1089 struct lang_type_header h;
1091 unsigned char align;
1093 unsigned has_mutable : 1;
1094 unsigned com_interface : 1;
1095 unsigned non_pod_class : 1;
1096 unsigned nearly_empty_p : 1;
1097 unsigned user_align : 1;
1098 unsigned has_assign_ref : 1;
1099 unsigned has_new : 1;
1100 unsigned has_array_new : 1;
1102 unsigned gets_delete : 2;
1103 unsigned interface_only : 1;
1104 unsigned interface_unknown : 1;
1105 unsigned contains_empty_class_p : 1;
1106 unsigned anon_aggr : 1;
1107 unsigned non_zero_init : 1;
1108 unsigned empty_p : 1;
1110 unsigned vec_new_uses_cookie : 1;
1111 unsigned declared_class : 1;
1112 unsigned diamond_shaped : 1;
1113 unsigned repeated_base : 1;
1114 unsigned being_defined : 1;
1115 unsigned java_interface : 1;
1116 unsigned debug_requested : 1;
1117 unsigned fields_readonly : 1;
1119 unsigned use_template : 2;
1120 unsigned ptrmemfunc_flag : 1;
1121 unsigned was_anonymous : 1;
1122 unsigned lazy_default_ctor : 1;
1123 unsigned lazy_copy_ctor : 1;
1124 unsigned lazy_assignment_op : 1;
1125 unsigned lazy_destructor : 1;
1127 unsigned has_const_init_ref : 1;
1128 unsigned has_complex_init_ref : 1;
1129 unsigned has_complex_assign_ref : 1;
1130 unsigned non_aggregate : 1;
1131 unsigned has_complex_dflt : 1;
1132 unsigned has_list_ctor : 1;
1134 /* When adding a flag here, consider whether or not it ought to
1135 apply to a template instance if it applies to the template. If
1136 so, make sure to copy it in instantiate_class_template! */
1138 /* There are some bits left to fill out a 32-bit word. Keep track
1139 of this by updating the size of this bitfield whenever you add or
1141 unsigned dummy : 10;
1144 VEC(tree_pair_s,gc) *vcall_indices;
1147 VEC(tree,gc) *vbases;
1148 binding_table nested_udts;
1150 VEC(tree,gc) *pure_virtuals;
1151 tree friend_classes;
1152 VEC(tree,gc) * GTY((reorder ("resort_type_method_vec"))) methods;
1156 tree befriending_classes;
1157 /* In a RECORD_TYPE, information specific to Objective-C++, such
1158 as a list of adopted protocols or a pointer to a corresponding
1159 @interface. See objc/objc-act.h for details. */
1163 struct lang_type_ptrmem GTY(())
1165 struct lang_type_header h;
1169 struct lang_type GTY(())
1173 struct lang_type_header GTY((skip (""))) h;
1174 struct lang_type_class GTY((tag ("1"))) c;
1175 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1176 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1179 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1181 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1182 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1183 if (! lt->u.h.is_lang_type_class) \
1184 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1187 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1188 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1189 if (lt->u.h.is_lang_type_class) \
1190 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1195 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1196 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1198 #endif /* ENABLE_TREE_CHECKING */
1200 /* Fields used for storing information before the class is defined.
1201 After the class is defined, these fields hold other information. */
1203 /* VEC(tree) of friends which were defined inline in this class
1205 #define CLASSTYPE_INLINE_FRIENDS(NODE) CLASSTYPE_PURE_VIRTUALS (NODE)
1207 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1208 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1209 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1211 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1212 storage to indicate how many array elements are in use. */
1213 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1214 (CLASS_TYPE_P (NODE) \
1215 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1217 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1218 itself to other types. */
1219 #define TYPE_HAS_CONVERSION(NODE) \
1220 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1222 /* Nonzero means that NODE (a class type) has a default constructor --
1223 but that it has not yet been declared. */
1224 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
1225 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
1227 /* Nonzero means that NODE (a class type) has a copy constructor --
1228 but that it has not yet been declared. */
1229 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
1230 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
1232 /* Nonzero means that NODE (a class type) has an assignment operator
1233 -- but that it has not yet been declared. */
1234 #define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \
1235 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op)
1237 /* Nonzero means that NODE (a class type) has a destructor -- but that
1238 it has not yet been declared. */
1239 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
1240 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
1242 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1243 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1245 /* True iff the class type NODE has an "operator =" whose parameter
1246 has a parameter of type "const X&". */
1247 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1248 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1250 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1251 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1252 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1253 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1255 /* Nonzero if this class has an X(initializer_list<T>) constructor. */
1256 #define TYPE_HAS_LIST_CTOR(NODE) \
1257 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor)
1259 /* Nonzero if this class defines an overloaded operator new. (An
1260 operator new [] doesn't count.) */
1261 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1262 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1264 /* Nonzero if this class defines an overloaded operator new[]. */
1265 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1266 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1268 /* Nonzero means that this type is being defined. I.e., the left brace
1269 starting the definition of this type has been seen. */
1270 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1272 /* Mark bits for repeated base checks. */
1273 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
1275 /* Nonzero if the class NODE has multiple paths to the same (virtual)
1277 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
1278 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
1280 /* Nonzero if the class NODE has multiple instances of the same base
1282 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
1283 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
1285 /* The member function with which the vtable will be emitted:
1286 the first noninline non-pure-virtual member function. NULL_TREE
1287 if there is no key function or if this is a class template */
1288 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1290 /* Vector member functions defined in this class. Each element is
1291 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1292 functions with the same name end up in the same slot. The first
1293 two elements are for constructors, and destructors, respectively.
1294 All template conversion operators to innermost template dependent
1295 types are overloaded on the next slot, if they exist. Note, the
1296 names for these functions will not all be the same. The
1297 non-template conversion operators & templated conversions to
1298 non-innermost template types are next, followed by ordinary member
1299 functions. There may be empty entries at the end of the vector.
1300 The conversion operators are unsorted. The ordinary member
1301 functions are sorted, once the class is complete. */
1302 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1304 /* For class templates, this is a TREE_LIST of all member data,
1305 functions, types, and friends in the order of declaration.
1306 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1307 and the RECORD_TYPE for the class template otherwise. */
1308 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1310 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1311 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1313 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1314 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1316 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1317 operators can appear. */
1318 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1320 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1321 are the constructors that take an in-charge parameter. */
1322 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1323 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1325 /* A FUNCTION_DECL for the destructor for NODE. These are the
1326 destructors that take an in-charge parameter. If
1327 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
1328 until the destructor is created with lazily_declare_fn. */
1329 #define CLASSTYPE_DESTRUCTORS(NODE) \
1330 (CLASSTYPE_METHOD_VEC (NODE) \
1331 ? VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT) \
1334 /* A dictionary of the nested user-defined-types (class-types, or enums)
1335 found within this class. This table includes nested member class
1337 #define CLASSTYPE_NESTED_UTDS(NODE) \
1338 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1340 /* Nonzero if NODE has a primary base class, i.e., a base class with
1341 which it shares the virtual function table pointer. */
1342 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1343 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1345 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1346 the base class which contains the virtual function table pointer
1348 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1349 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1351 /* A vector of BINFOs for the direct and indirect virtual base classes
1352 that this type uses in a post-order depth-first left-to-right
1353 order. (In other words, these bases appear in the order that they
1354 should be initialized.) */
1355 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1357 /* The type corresponding to NODE when NODE is used as a base class,
1358 i.e., NODE without virtual base classes. */
1360 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1362 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1364 #define IS_FAKE_BASE_TYPE(NODE) \
1365 (TREE_CODE (NODE) == RECORD_TYPE \
1366 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1367 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1369 /* These are the size and alignment of the type without its virtual
1370 base classes, for when we use this type as a base itself. */
1371 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1372 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1373 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1374 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1376 /* The alignment of NODE, without its virtual bases, in bytes. */
1377 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1378 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1380 /* True if this a Java interface type, declared with
1381 '__attribute__ ((java_interface))'. */
1382 #define TYPE_JAVA_INTERFACE(NODE) \
1383 (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1385 /* A VEC(tree) of virtual functions which cannot be inherited by
1386 derived classes. When deriving from this type, the derived
1387 class must provide its own definition for each of these functions. */
1388 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
1389 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1391 /* Nonzero means that this type has an X() constructor. */
1392 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1393 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1395 /* Nonzero means that this type contains a mutable member. */
1396 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1397 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1399 /* Nonzero means that this class type is a non-POD class. */
1400 #define CLASSTYPE_NON_POD_P(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1402 /* Nonzero means that this class contains pod types whose default
1403 initialization is not a zero initialization (namely, pointers to
1405 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1406 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1408 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1409 #define CLASSTYPE_EMPTY_P(NODE) \
1410 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1412 /* Nonzero if this class is "nearly empty", i.e., contains only a
1413 virtual function table pointer. */
1414 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1415 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1417 /* Nonzero if this class contains an empty subobject. */
1418 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1419 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1421 /* A list of class types of which this type is a friend. The
1422 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1423 case of a template friend. */
1424 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1425 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1427 /* A list of the classes which grant friendship to this class. */
1428 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1429 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1431 /* Say whether this node was declared as a "class" or a "struct". */
1432 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1433 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1435 /* Nonzero if this class has const members
1436 which have no specified initialization. */
1437 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1438 (TYPE_LANG_SPECIFIC (NODE) \
1439 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1440 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1441 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1443 /* Nonzero if this class has ref members
1444 which have no specified initialization. */
1445 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1446 (TYPE_LANG_SPECIFIC (NODE) \
1447 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1448 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1449 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1451 /* Nonzero if this class is included from a header file which employs
1452 `#pragma interface', and it is not included in its implementation file. */
1453 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1454 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1456 /* True if we have already determined whether or not vtables, VTTs,
1457 typeinfo, and other similar per-class data should be emitted in
1458 this translation unit. This flag does not indicate whether or not
1459 these items should be emitted; it only indicates that we know one
1460 way or the other. */
1461 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1462 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1463 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1464 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1465 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1467 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1468 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1469 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1470 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1471 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1472 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1474 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1475 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1476 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1478 /* Additional macros for inheritance information. */
1480 /* Nonzero means that this class is on a path leading to a new vtable. */
1481 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1483 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1484 have this flag set. */
1485 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1487 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
1488 this is functionally equivalent to using same_type_p, but
1489 measurably faster. At least one of the arguments must be a
1490 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
1491 BINFO_TYPE(T) ever stops being the main variant of the class the
1492 binfo is for, this macro must change. */
1493 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
1495 /* Any subobject that needs a new vtable must have a vptr and must not
1496 be a non-virtual primary base (since it would then use the vtable from a
1497 derived class and never become non-primary.) */
1498 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1499 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1500 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
1501 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
1503 /* Nonzero if this binfo is for a dependent base - one that should not
1505 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1507 /* Nonzero if this binfo has lost its primary base binfo (because that
1508 is a nearly-empty virtual base that has been taken by some other
1509 base in the complete hierarchy. */
1510 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1512 /* Nonzero if this BINFO is a primary base class. */
1513 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
1515 /* Used by various search routines. */
1516 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1518 /* A VEC(tree_pair_s) of the vcall indices associated with the class
1519 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
1520 function. The VALUE is the index into the virtual table where the
1521 vcall offset for that function is stored, when NODE is a virtual
1523 #define CLASSTYPE_VCALL_INDICES(NODE) \
1524 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1526 /* The various vtables for the class NODE. The primary vtable will be
1527 first, followed by the construction vtables and VTT, if any. */
1528 #define CLASSTYPE_VTABLES(NODE) \
1529 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1531 /* The std::type_info variable representing this class, or NULL if no
1532 such variable has been created. This field is only set for the
1533 TYPE_MAIN_VARIANT of the class. */
1534 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1535 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1537 /* Accessor macros for the BINFO_VIRTUALS list. */
1539 /* The number of bytes by which to adjust the `this' pointer when
1540 calling this virtual function. Subtract this value from the this
1541 pointer. Always non-NULL, might be constant zero though. */
1542 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1544 /* If non-NULL, the vtable index at which to find the vcall offset
1545 when calling this virtual function. Add the value at that vtable
1546 index to the this pointer. */
1547 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1549 /* The function to call. */
1550 #define BV_FN(NODE) (TREE_VALUE (NODE))
1553 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1554 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1555 will be NULL_TREE to indicate a throw specification of `()', or
1556 no exceptions allowed. */
1557 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
1559 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1560 #define TYPE_NOTHROW_P(NODE) \
1561 (TYPE_RAISES_EXCEPTIONS (NODE) \
1562 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1564 /* The binding level associated with the namespace. */
1565 #define NAMESPACE_LEVEL(NODE) \
1566 (DECL_LANG_SPECIFIC (NODE)->decl_flags.u.level)
1569 /* If a DECL has DECL_LANG_SPECIFIC, it is either a lang_decl_flags or
1570 a lang_decl (which has lang_decl_flags as its initial prefix).
1571 This macro is nonzero for tree nodes whose DECL_LANG_SPECIFIC is
1572 the full lang_decl, and not just lang_decl_flags. Keep these
1573 checks in ascending code order. */
1574 #define CAN_HAVE_FULL_LANG_DECL_P(NODE) \
1575 (!(TREE_CODE (NODE) == FIELD_DECL \
1576 || TREE_CODE (NODE) == VAR_DECL \
1577 || TREE_CODE (NODE) == CONST_DECL \
1578 || TREE_CODE (NODE) == USING_DECL))
1580 struct lang_decl_flags GTY(())
1582 ENUM_BITFIELD(languages) language : 4;
1583 unsigned global_ctor_p : 1;
1584 unsigned global_dtor_p : 1;
1585 unsigned anticipated_p : 1;
1586 unsigned template_conv_p : 1;
1588 unsigned operator_attr : 1;
1589 unsigned constructor_attr : 1;
1590 unsigned destructor_attr : 1;
1591 unsigned friend_attr : 1;
1592 unsigned static_function : 1;
1593 unsigned pure_virtual : 1;
1594 unsigned has_in_charge_parm_p : 1;
1595 unsigned has_vtt_parm_p : 1;
1597 unsigned deferred : 1;
1598 unsigned use_template : 2;
1599 unsigned nonconverting : 1;
1600 unsigned not_really_extern : 1;
1601 unsigned initialized_in_class : 1;
1602 unsigned assignment_operator_p : 1;
1606 unsigned can_be_full : 1;
1607 unsigned thunk_p : 1;
1608 unsigned this_thunk_p : 1;
1609 unsigned repo_available_p : 1;
1610 unsigned hidden_friend_p : 1;
1611 unsigned threadprivate_p : 1;
1612 unsigned defaulted_p : 1;
1615 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1617 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1618 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1619 DECL_TEMPLATE_INFO. */
1620 tree GTY ((tag ("0"))) template_info;
1622 /* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
1623 struct cp_binding_level * GTY ((tag ("1"))) level;
1624 } GTY ((desc ("%1.u1sel"))) u;
1626 union lang_decl_u2 {
1627 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1628 THUNK_VIRTUAL_OFFSET.
1629 Otherwise this is DECL_ACCESS. */
1630 tree GTY ((tag ("0"))) access;
1632 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1633 int GTY ((tag ("1"))) discriminator;
1634 } GTY ((desc ("%1.u2sel"))) u2;
1637 /* sorted_fields is sorted based on a pointer, so we need to be able
1638 to resort it if pointers get rearranged. */
1640 struct lang_decl GTY(())
1642 struct lang_decl_flags decl_flags;
1646 struct full_lang_decl
1648 /* In an overloaded operator, this is the value of
1649 DECL_OVERLOADED_OPERATOR_P. */
1650 ENUM_BITFIELD (tree_code) operator_code : 16;
1653 unsigned pending_inline_p : 1;
1654 unsigned spare : 14;
1656 /* For a non-thunk function decl, this is a tree list of
1657 friendly classes. For a thunk function decl, it is the
1658 thunked to function decl. */
1659 tree befriending_classes;
1661 /* For a non-virtual FUNCTION_DECL, this is
1662 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1663 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1664 this pointer and result pointer adjusting thunks are
1665 chained here. This pointer thunks to return pointer thunks
1666 will be chained on the return pointer thunk. */
1671 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is
1672 DECL_CLONED_FUNCTION. */
1673 tree GTY ((tag ("0"))) cloned_function;
1675 /* In a FUNCTION_DECL for which THUNK_P holds this is the
1676 THUNK_FIXED_OFFSET. */
1677 HOST_WIDE_INT GTY ((tag ("1"))) fixed_offset;
1678 } GTY ((desc ("%0.decl_flags.thunk_p"))) u5;
1682 struct sorted_fields_type * GTY ((tag ("0"), reorder ("resort_sorted_fields")))
1684 struct cp_token_cache * GTY ((tag ("2"))) pending_inline_info;
1685 struct language_function * GTY ((tag ("1")))
1686 saved_language_function;
1687 } GTY ((desc ("%1.u3sel + %1.pending_inline_p"))) u;
1688 } GTY ((tag ("1"))) f;
1689 } GTY ((desc ("%1.decl_flags.can_be_full"))) u;
1692 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1694 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1695 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1696 if (lt->decl_flags.u2sel != TF) \
1697 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1698 <->decl_flags.u2; })
1702 #define LANG_DECL_U2_CHECK(NODE, TF) \
1703 (&DECL_LANG_SPECIFIC (NODE)->decl_flags.u2)
1705 #endif /* ENABLE_TREE_CHECKING */
1707 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1708 declaration. Some entities (like a member function in a local
1709 class, or a local variable) do not have linkage at all, and this
1710 macro should not be used in those cases.
1712 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1713 created by language-independent code, and has C linkage. Most
1714 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1715 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1716 #define DECL_LANGUAGE(NODE) \
1717 (DECL_LANG_SPECIFIC (NODE) \
1718 ? DECL_LANG_SPECIFIC (NODE)->decl_flags.language \
1719 : (TREE_CODE (NODE) == FUNCTION_DECL \
1720 ? lang_c : lang_cplusplus))
1722 /* Set the language linkage for NODE to LANGUAGE. */
1723 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1724 (DECL_LANG_SPECIFIC (NODE)->decl_flags.language = (LANGUAGE))
1726 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1727 #define DECL_CONSTRUCTOR_P(NODE) \
1728 (DECL_LANG_SPECIFIC (NODE)->decl_flags.constructor_attr)
1730 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1732 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1733 (DECL_CONSTRUCTOR_P (NODE) \
1734 && DECL_NAME (NODE) == complete_ctor_identifier)
1736 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1738 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1739 (DECL_CONSTRUCTOR_P (NODE) \
1740 && DECL_NAME (NODE) == base_ctor_identifier)
1742 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1743 specialized in-charge constructor or the specialized not-in-charge
1745 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1746 (DECL_CONSTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1748 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1749 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1750 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1752 /* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */
1753 #define DECL_MOVE_CONSTRUCTOR_P(NODE) \
1754 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE))
1756 /* Nonzero if NODE is a destructor. */
1757 #define DECL_DESTRUCTOR_P(NODE) \
1758 (DECL_LANG_SPECIFIC (NODE)->decl_flags.destructor_attr)
1760 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1761 specialized in-charge constructor, in-charge deleting constructor,
1762 or the base destructor. */
1763 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1764 (DECL_DESTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1766 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1768 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1769 (DECL_DESTRUCTOR_P (NODE) \
1770 && DECL_NAME (NODE) == complete_dtor_identifier)
1772 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1774 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1775 (DECL_DESTRUCTOR_P (NODE) \
1776 && DECL_NAME (NODE) == base_dtor_identifier)
1778 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1779 object that deletes the object after it has been destroyed. */
1780 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1781 (DECL_DESTRUCTOR_P (NODE) \
1782 && DECL_NAME (NODE) == deleting_dtor_identifier)
1784 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1786 #define DECL_CLONED_FUNCTION_P(NODE) \
1787 ((TREE_CODE (NODE) == FUNCTION_DECL \
1788 || TREE_CODE (NODE) == TEMPLATE_DECL) \
1789 && DECL_LANG_SPECIFIC (NODE) \
1790 && !DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p \
1791 && DECL_CLONED_FUNCTION (NODE) != NULL_TREE)
1793 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1795 #define DECL_CLONED_FUNCTION(NODE) \
1796 (DECL_LANG_SPECIFIC (NON_THUNK_FUNCTION_CHECK(NODE))->u.f.u5.cloned_function)
1798 /* Perform an action for each clone of FN, if FN is a function with
1799 clones. This macro should be used like:
1801 FOR_EACH_CLONE (clone, fn)
1805 #define FOR_EACH_CLONE(CLONE, FN) \
1806 if (TREE_CODE (FN) == FUNCTION_DECL \
1807 && (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \
1808 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \
1809 for (CLONE = TREE_CHAIN (FN); \
1810 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
1811 CLONE = TREE_CHAIN (CLONE))
1813 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1814 #define DECL_DISCRIMINATOR_P(NODE) \
1815 (TREE_CODE (NODE) == VAR_DECL \
1816 && DECL_FUNCTION_SCOPE_P (NODE))
1818 /* Discriminator for name mangling. */
1819 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1821 /* Nonzero if the VTT parm has been added to NODE. */
1822 #define DECL_HAS_VTT_PARM_P(NODE) \
1823 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_vtt_parm_p)
1825 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1827 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1828 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \
1829 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1830 || DECL_BASE_DESTRUCTOR_P (NODE)))
1832 /* Nonzero if NODE is a user-defined conversion operator. */
1833 #define DECL_CONV_FN_P(NODE) \
1834 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1836 /* If FN is a conversion operator, the type to which it converts.
1837 Otherwise, NULL_TREE. */
1838 #define DECL_CONV_FN_TYPE(FN) \
1839 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
1841 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
1842 conversion operator to a type dependent on the innermost template
1844 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
1845 (DECL_LANG_SPECIFIC (NODE)->decl_flags.template_conv_p)
1847 /* Set the overloaded operator code for NODE to CODE. */
1848 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
1849 (DECL_LANG_SPECIFIC (NODE)->u.f.operator_code = (CODE))
1851 /* If NODE is an overloaded operator, then this returns the TREE_CODE
1852 associated with the overloaded operator.
1853 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
1854 whether or not NODE is an assignment operator. If NODE is not an
1855 overloaded operator, ERROR_MARK is returned. Since the numerical
1856 value of ERROR_MARK is zero, this macro can be used as a predicate
1857 to test whether or not NODE is an overloaded operator. */
1858 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
1859 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
1860 ? DECL_LANG_SPECIFIC (NODE)->u.f.operator_code : ERROR_MARK)
1862 /* Nonzero if NODE is an assignment operator. */
1863 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
1864 (DECL_LANG_SPECIFIC (NODE)->decl_flags.assignment_operator_p)
1866 /* For FUNCTION_DECLs: nonzero means that this function is a
1867 constructor or a destructor with an extra in-charge parameter to
1868 control whether or not virtual bases are constructed. */
1869 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
1870 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p)
1872 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
1873 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
1874 (TREE_CODE (NODE) == FUNCTION_DECL \
1875 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
1876 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
1878 /* Nonzero for _DECL means that this decl appears in (or will appear
1879 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1880 detecting circularity in case members are multiply defined. In the
1881 case of a VAR_DECL, it is also used to determine how program storage
1882 should be allocated. */
1883 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
1885 /* Nonzero for a VAR_DECL means that the variable's initialization (if
1886 any) has been processed. (In general, DECL_INITIALIZED_P is
1887 !DECL_EXTERN, but static data members may be initialized even if
1889 #define DECL_INITIALIZED_P(NODE) \
1890 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
1892 /* Nonzero for a VAR_DECL iff an explicit initializer was provided. */
1893 #define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
1894 (TREE_LANG_FLAG_3 (VAR_DECL_CHECK (NODE)))
1896 /* Nonzero for a VAR_DECL that was initialized with a
1897 constant-expression. */
1898 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
1899 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
1901 /* Nonzero for a VAR_DECL that can be used in an integral constant
1906 An integral constant-expression can only involve ... const
1907 variables of static or enumeration types initialized with
1908 constant expressions ...
1910 The standard does not require that the expression be non-volatile.
1911 G++ implements the proposed correction in DR 457. */
1912 #define DECL_INTEGRAL_CONSTANT_VAR_P(NODE) \
1913 (TREE_CODE (NODE) == VAR_DECL \
1914 && CP_TYPE_CONST_NON_VOLATILE_P (TREE_TYPE (NODE)) \
1915 && INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (NODE)) \
1916 && DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (NODE))
1918 /* Nonzero if the DECL was initialized in the class definition itself,
1919 rather than outside the class. This is used for both static member
1920 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */
1921 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
1922 (DECL_LANG_SPECIFIC (DECL)->decl_flags.initialized_in_class)
1924 /* Nonzero for DECL means that this decl is just a friend declaration,
1925 and should not be added to the list of members for this class. */
1926 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.friend_attr)
1928 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
1929 #define DECL_BEFRIENDING_CLASSES(NODE) \
1930 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
1932 /* Nonzero for FUNCTION_DECL means that this decl is a static
1934 #define DECL_STATIC_FUNCTION_P(NODE) \
1935 (DECL_LANG_SPECIFIC (NODE)->decl_flags.static_function)
1937 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1939 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1940 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1942 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1943 (static or non-static). */
1944 #define DECL_FUNCTION_MEMBER_P(NODE) \
1945 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1947 /* Nonzero for FUNCTION_DECL means that this member function
1948 has `this' as const X *const. */
1949 #define DECL_CONST_MEMFUNC_P(NODE) \
1950 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1951 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
1952 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1954 /* Nonzero for FUNCTION_DECL means that this member function
1955 has `this' as volatile X *const. */
1956 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
1957 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1958 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
1959 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1961 /* Nonzero for a DECL means that this member is a non-static member. */
1962 #define DECL_NONSTATIC_MEMBER_P(NODE) \
1963 ((TREE_CODE (NODE) == FUNCTION_DECL \
1964 && DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE)) \
1965 || TREE_CODE (NODE) == FIELD_DECL)
1967 /* Nonzero for _DECL means that this member object type
1969 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
1971 /* Nonzero for _DECL means that this constructor is a non-converting
1973 #define DECL_NONCONVERTING_P(NODE) \
1974 (DECL_LANG_SPECIFIC (NODE)->decl_flags.nonconverting)
1976 /* Nonzero for FUNCTION_DECL means that this member function is a pure
1977 virtual function. */
1978 #define DECL_PURE_VIRTUAL_P(NODE) \
1979 (DECL_LANG_SPECIFIC (NODE)->decl_flags.pure_virtual)
1981 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
1982 invalid overrider for a function from a base class. Once we have
1983 complained about an invalid overrider we avoid complaining about it
1985 #define DECL_INVALID_OVERRIDER_P(NODE) \
1986 (DECL_LANG_FLAG_4 (NODE))
1988 /* The thunks associated with NODE, a FUNCTION_DECL. */
1989 #define DECL_THUNKS(NODE) \
1990 (DECL_LANG_SPECIFIC (NODE)->u.f.context)
1992 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
1993 #define DECL_THUNK_P(NODE) \
1994 (TREE_CODE (NODE) == FUNCTION_DECL \
1995 && DECL_LANG_SPECIFIC (NODE) \
1996 && DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p)
1998 /* Set DECL_THUNK_P for node. */
1999 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
2000 (DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p = 1, \
2001 DECL_LANG_SPECIFIC (NODE)->u.f.u3sel = 1, \
2002 DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p = (THIS_ADJUSTING))
2004 /* Nonzero if NODE is a this pointer adjusting thunk. */
2005 #define DECL_THIS_THUNK_P(NODE) \
2006 (DECL_THUNK_P (NODE) && DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
2008 /* Nonzero if NODE is a result pointer adjusting thunk. */
2009 #define DECL_RESULT_THUNK_P(NODE) \
2010 (DECL_THUNK_P (NODE) && !DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
2012 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
2013 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
2014 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
2016 /* Nonzero if NODE is `extern "C"'. */
2017 #define DECL_EXTERN_C_P(NODE) \
2018 (DECL_LANGUAGE (NODE) == lang_c)
2020 /* Nonzero if NODE is an `extern "C"' function. */
2021 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
2022 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
2024 /* True iff DECL is an entity with vague linkage whose definition is
2025 available in this translation unit. */
2026 #define DECL_REPO_AVAILABLE_P(NODE) \
2027 (DECL_LANG_SPECIFIC (NODE)->decl_flags.repo_available_p)
2029 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
2030 template function. */
2031 #define DECL_PRETTY_FUNCTION_P(NODE) \
2032 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
2034 /* The _TYPE context in which this _DECL appears. This field holds the
2035 class where a virtual function instance is actually defined. */
2036 #define DECL_CLASS_CONTEXT(NODE) \
2037 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
2039 /* For a non-member friend function, the class (if any) in which this
2040 friend was defined. For example, given:
2042 struct S { friend void f (); };
2044 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
2045 #define DECL_FRIEND_CONTEXT(NODE) \
2046 ((DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
2047 ? DECL_LANG_SPECIFIC (NODE)->u.f.context \
2050 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
2051 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
2052 (DECL_LANG_SPECIFIC (NODE)->u.f.context = (CONTEXT))
2054 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
2055 #define CP_DECL_CONTEXT(NODE) \
2056 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
2057 #define CP_TYPE_CONTEXT(NODE) \
2058 (TYPE_CONTEXT (NODE) ? TYPE_CONTEXT (NODE) : global_namespace)
2059 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
2061 /* 1 iff NODE has namespace scope, including the global namespace. */
2062 #define DECL_NAMESPACE_SCOPE_P(NODE) \
2063 (!DECL_TEMPLATE_PARM_P (NODE) \
2064 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
2066 /* 1 iff NODE is a class member. */
2067 #define DECL_CLASS_SCOPE_P(NODE) \
2068 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
2070 #define TYPE_CLASS_SCOPE_P(NODE) \
2071 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE)))
2073 /* 1 iff NODE is function-local. */
2074 #define DECL_FUNCTION_SCOPE_P(NODE) \
2075 (DECL_CONTEXT (NODE) \
2076 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
2078 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
2079 both the primary typeinfo object and the associated NTBS name. */
2080 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
2082 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
2083 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
2085 /* Returns 1 iff VAR_DECL is a construction virtual table.
2086 DECL_VTABLE_OR_VTT_P will be true in this case and must be checked
2087 before using this macro. */
2088 #define DECL_CONSTRUCTION_VTABLE_P(NODE) \
2089 TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE))
2091 /* 1 iff NODE is function-local, but for types. */
2092 #define LOCAL_CLASS_P(NODE) \
2093 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
2095 /* For a NAMESPACE_DECL: the list of using namespace directives
2096 The PURPOSE is the used namespace, the value is the namespace
2097 that is the common ancestor. */
2098 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
2100 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2101 of a namespace, to record the transitive closure of using namespace. */
2102 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2104 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2105 themselves with this one. */
2106 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2107 (NAMESPACE_DECL_CHECK (NODE)->decl_non_common.saved_tree)
2109 /* In a NAMESPACE_DECL, points to the original namespace if this is
2110 a namespace alias. */
2111 #define DECL_NAMESPACE_ALIAS(NODE) \
2112 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2113 #define ORIGINAL_NAMESPACE(NODE) \
2114 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2116 /* Nonzero if NODE is the std namespace. */
2117 #define DECL_NAMESPACE_STD_P(NODE) \
2118 (TREE_CODE (NODE) == NAMESPACE_DECL \
2119 && CP_DECL_CONTEXT (NODE) == global_namespace \
2120 && DECL_NAME (NODE) == std_identifier)
2122 /* In a TREE_LIST concatenating using directives, indicate indirect
2124 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0)
2126 /* In a TREE_LIST in an attribute list, indicates that the attribute
2127 must be applied at instantiation time. */
2128 #define ATTR_IS_DEPENDENT(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0)
2130 extern tree decl_shadowed_for_var_lookup (tree);
2131 extern void decl_shadowed_for_var_insert (tree, tree);
2133 /* Non zero if this is a using decl for a dependent scope. */
2134 #define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE))
2136 /* The scope named in a using decl. */
2137 #define USING_DECL_SCOPE(NODE) TREE_TYPE (USING_DECL_CHECK (NODE))
2139 /* The decls named by a using decl. */
2140 #define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE))
2142 /* In a VAR_DECL, true if we have a shadowed local variable
2143 in the shadowed var table for this VAR_DECL. */
2144 #define DECL_HAS_SHADOWED_FOR_VAR_P(NODE) \
2145 (VAR_DECL_CHECK (NODE)->decl_with_vis.shadowed_for_var_p)
2147 /* In a VAR_DECL for a variable declared in a for statement,
2148 this is the shadowed (local) variable. */
2149 #define DECL_SHADOWED_FOR_VAR(NODE) \
2150 (DECL_HAS_SHADOWED_FOR_VAR_P(NODE) ? decl_shadowed_for_var_lookup (NODE) : NULL)
2152 #define SET_DECL_SHADOWED_FOR_VAR(NODE, VAL) \
2153 (decl_shadowed_for_var_insert (NODE, VAL))
2155 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2156 the class definition. We have saved away the text of the function,
2157 but have not yet processed it. */
2158 #define DECL_PENDING_INLINE_P(NODE) \
2159 (DECL_LANG_SPECIFIC (NODE)->u.f.pending_inline_p)
2161 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2163 #define DECL_PENDING_INLINE_INFO(NODE) \
2164 (DECL_LANG_SPECIFIC (NODE)->u.f.u.pending_inline_info)
2166 /* For a TYPE_DECL: if this structure has many fields, we'll sort them
2167 and put them into a TREE_VEC. */
2168 #define DECL_SORTED_FIELDS(NODE) \
2169 (DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.f.u.sorted_fields)
2171 /* True if on the deferred_fns (see decl2.c) list. */
2172 #define DECL_DEFERRED_FN(DECL) \
2173 (DECL_LANG_SPECIFIC (DECL)->decl_flags.deferred)
2175 /* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL or
2176 TEMPLATE_DECL, the entity is either a template specialization (if
2177 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the
2180 In either case, DECL_TEMPLATE_INFO is a TREE_LIST, whose
2181 TREE_PURPOSE is the TEMPLATE_DECL of which this entity is a
2182 specialization or abstract instance. The TREE_VALUE is the
2183 template arguments used to specialize the template.
2187 template <typename T> struct S { friend void f(T) {} };
2189 In this case, S<int>::f is, from the point of view of the compiler,
2190 an instantiation of a template -- but, from the point of view of
2191 the language, each instantiation of S results in a wholly unrelated
2192 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f
2193 will be non-NULL, but DECL_USE_TEMPLATE will be zero. */
2194 #define DECL_TEMPLATE_INFO(NODE) \
2195 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2196 ->decl_flags.u.template_info)
2198 /* For a VAR_DECL, indicates that the variable is actually a
2199 non-static data member of anonymous union that has been promoted to
2201 #define DECL_ANON_UNION_VAR_P(NODE) \
2202 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2204 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2205 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2206 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2208 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2209 not be a primary template, it may be declared within the scope of a
2210 primary template and the enumeration constants may depend on
2211 non-type template parameters. */
2212 #define ENUM_TEMPLATE_INFO(NODE) \
2213 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2215 /* Template information for a template template parameter. */
2216 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2217 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2220 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2221 #define TYPE_TEMPLATE_INFO(NODE) \
2222 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2223 ? ENUM_TEMPLATE_INFO (NODE) : \
2224 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2225 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2226 (TYPE_LANG_SPECIFIC (NODE) \
2227 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2230 /* Set the template information for an ENUMERAL_, RECORD_, or
2231 UNION_TYPE to VAL. */
2232 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2233 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2234 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2235 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2237 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2238 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2239 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2241 /* We use TREE_VECs to hold template arguments. If there is only one
2242 level of template arguments, then the TREE_VEC contains the
2243 arguments directly. If there is more than one level of template
2244 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2245 containing the template arguments for a single level. The first
2246 entry in the outer TREE_VEC is the outermost level of template
2247 parameters; the last is the innermost.
2249 It is incorrect to ever form a template argument vector containing
2250 only one level of arguments, but which is a TREE_VEC containing as
2251 its only entry the TREE_VEC for that level. */
2253 /* Nonzero if the template arguments is actually a vector of vectors,
2254 rather than just a vector. */
2255 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2256 (NODE && TREE_VEC_ELT (NODE, 0) \
2257 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2259 /* The depth of a template argument vector. When called directly by
2260 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2261 template arguments. In fact, we may even see NULL_TREE if there
2262 are no template arguments. In both of those cases, there is only
2263 one level of template arguments. */
2264 #define TMPL_ARGS_DEPTH(NODE) \
2265 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2267 /* The LEVELth level of the template ARGS. The outermost level of
2268 args is level 1, not level 0. */
2269 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2270 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2271 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2273 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2274 not work with single-level argument vectors. */
2275 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2276 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2278 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2279 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2280 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2282 /* Given a single level of template arguments in NODE, return the
2283 number of arguments. */
2284 #define NUM_TMPL_ARGS(NODE) \
2285 (TREE_VEC_LENGTH (NODE))
2287 /* Returns the innermost level of template arguments in ARGS. */
2288 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2289 (get_innermost_template_args ((NODE), 1))
2291 /* The number of levels of template parameters given by NODE. */
2292 #define TMPL_PARMS_DEPTH(NODE) \
2293 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2295 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2296 TEMPLATE_DECL will be the immediate parent, not the most general
2297 template. For example, in:
2299 template <class T> struct S { template <class U> void f(U); }
2301 the FUNCTION_DECL for S<int>::f<double> will have, as its
2302 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2304 As a special case, for a member friend template of a template
2305 class, this value will not be a TEMPLATE_DECL, but rather an
2306 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2307 any explicit template arguments provided. For example, in:
2309 template <class T> struct S { friend void f<int>(int, double); }
2311 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2312 DECL_TI_ARGS will be {int}. */
2313 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2315 /* The template arguments used to obtain this decl from the most
2316 general form of DECL_TI_TEMPLATE. For the example given for
2317 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2318 are always the full set of arguments required to instantiate this
2319 declaration from the most general template specialized here. */
2320 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2322 /* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE
2323 will be generated from a partial specialization, the TEMPLATE_DECL
2324 referred to here will be the original template. For example,
2327 template <typename T> struct S {};
2328 template <typename T> struct S<T*> {};
2330 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>. */
2331 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2332 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2334 /* For a template instantiation TYPE, returns the TYPE corresponding
2335 to the primary template. Otherwise returns TYPE itself. */
2336 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2337 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
2338 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2339 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2340 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2343 /* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */
2344 #define TYPE_TI_TEMPLATE(NODE) \
2345 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2347 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2348 #define TYPE_TI_ARGS(NODE) \
2349 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2351 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2353 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
2354 sense of [temp.mem]. */
2355 #define DECL_MEMBER_TEMPLATE_P(NODE) \
2356 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
2358 /* Nonzero if the NODE corresponds to the template parameters for a
2359 member template, whose inline definition is being processed after
2360 the class definition is complete. */
2361 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2363 /* Determine if a parameter (i.e., a PARM_DECL) is a function
2365 #define FUNCTION_PARAMETER_PACK_P(NODE) \
2366 (DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE)))
2368 /* Determines if NODE is an expansion of one or more parameter packs,
2369 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */
2370 #define PACK_EXPANSION_P(NODE) \
2371 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \
2372 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION)
2374 /* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or
2375 EXPR_PACK_EXPANSION. */
2376 #define PACK_EXPANSION_PATTERN(NODE) \
2377 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION? TREE_TYPE (NODE) \
2378 : TREE_OPERAND (NODE, 0))
2380 /* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or
2381 EXPR_PACK_EXPANSION. */
2382 #define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \
2383 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \
2384 TREE_TYPE (NODE) = VALUE; \
2386 TREE_OPERAND (NODE, 0) = VALUE
2388 /* The list of parameter packs used in the PACK_EXPANSION_* node. The
2389 TREE_VALUE of each TREE_LIST contains the parameter packs. */
2390 #define PACK_EXPANSION_PARAMETER_PACKS(NODE) TREE_CHAIN (NODE)
2392 /* Determine if this is an argument pack. */
2393 #define ARGUMENT_PACK_P(NODE) \
2394 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \
2395 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK)
2397 /* The arguments stored in an argument pack. Arguments are stored in a
2398 TREE_VEC, which may have length zero. */
2399 #define ARGUMENT_PACK_ARGS(NODE) \
2400 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \
2401 : TREE_OPERAND (NODE, 0))
2403 /* Set the arguments stored in an argument pack. VALUE must be a
2405 #define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \
2406 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \
2407 TREE_TYPE (NODE) = VALUE; \
2409 TREE_OPERAND (NODE, 0) = VALUE
2411 /* Whether the argument pack is "incomplete", meaning that more
2412 arguments can still be deduced. Incomplete argument packs are only
2413 used when the user has provided an explicit template argument list
2414 for a variadic function template. Some of the explicit template
2415 arguments will be placed into the beginning of the argument pack,
2416 but additional arguments might still be deduced. */
2417 #define ARGUMENT_PACK_INCOMPLETE_P(NODE) \
2418 TREE_LANG_FLAG_0 (ARGUMENT_PACK_ARGS (NODE))
2420 /* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template
2421 arguments used to fill this pack. */
2422 #define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \
2423 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE))
2425 /* In an ARGUMENT_PACK_SELECT, the argument pack from which an
2426 argument will be selected. */
2427 #define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \
2428 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack)
2430 /* In an ARGUMENT_PACK_SELECT, the index of the argument we want to
2432 #define ARGUMENT_PACK_SELECT_INDEX(NODE) \
2433 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index)
2435 /* In an ARGUMENT_PACK_SELECT, the actual underlying argument that the
2436 ARGUMENT_PACK_SELECT represents. */
2437 #define ARGUMENT_PACK_SELECT_ARG(NODE) \
2438 TREE_VEC_ELT (ARGUMENT_PACK_ARGS (ARGUMENT_PACK_SELECT_FROM_PACK (NODE)), \
2439 ARGUMENT_PACK_SELECT_INDEX (NODE));
2441 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2442 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2443 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
2444 ->u.f.u.saved_language_function)
2446 /* Indicates an indirect_expr is for converting a reference. */
2447 #define REFERENCE_REF_P(NODE) \
2448 TREE_LANG_FLAG_0 (INDIRECT_REF_CHECK (NODE))
2450 #define NEW_EXPR_USE_GLOBAL(NODE) \
2451 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
2452 #define DELETE_EXPR_USE_GLOBAL(NODE) \
2453 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
2454 #define DELETE_EXPR_USE_VEC(NODE) \
2455 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
2457 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2458 resolve to a function call. */
2459 #define COMPOUND_EXPR_OVERLOADED(NODE) \
2460 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
2462 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2463 should be performed at instantiation time. */
2464 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
2466 /* Indicates whether a string literal has been parenthesized. Such
2467 usages are disallowed in certain circumstances. */
2469 #define PAREN_STRING_LITERAL_P(NODE) \
2470 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
2472 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2473 constructor call, rather than an ordinary function call. */
2474 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2475 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2477 /* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR
2478 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of
2479 CALL_EXPR_STATIC_CHAIN). */
2481 #define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1)
2482 #define AGGR_INIT_EXPR_SLOT(NODE) \
2483 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2)
2484 #define AGGR_INIT_EXPR_ARG(NODE, I) \
2485 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3)
2486 #define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
2488 /* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE.
2489 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if
2490 the argument count is zero when checking is enabled. Instead, do
2491 the pointer arithmetic to advance past the 3 fixed operands in a
2492 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of
2493 the operand array, even if it's not valid to dereference it. */
2494 #define AGGR_INIT_EXPR_ARGP(NODE) \
2495 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3)
2497 /* Abstract iterators for AGGR_INIT_EXPRs. */
2499 /* Structure containing iterator state. */
2500 typedef struct aggr_init_expr_arg_iterator_d GTY (())
2502 tree t; /* the aggr_init_expr */
2503 int n; /* argument count */
2504 int i; /* next argument index */
2505 } aggr_init_expr_arg_iterator;
2507 /* Initialize the abstract argument list iterator object ITER with the
2508 arguments from AGGR_INIT_EXPR node EXP. */
2510 init_aggr_init_expr_arg_iterator (tree exp,
2511 aggr_init_expr_arg_iterator *iter)
2514 iter->n = aggr_init_expr_nargs (exp);
2518 /* Return the next argument from abstract argument list iterator object ITER,
2519 and advance its state. Return NULL_TREE if there are no more arguments. */
2521 next_aggr_init_expr_arg (aggr_init_expr_arg_iterator *iter)
2524 if (iter->i >= iter->n)
2526 result = AGGR_INIT_EXPR_ARG (iter->t, iter->i);
2531 /* Initialize the abstract argument list iterator object ITER, then advance
2532 past and return the first argument. Useful in for expressions, e.g.
2533 for (arg = first_aggr_init_expr_arg (exp, &iter); arg;
2534 arg = next_aggr_init_expr_arg (&iter)) */
2536 first_aggr_init_expr_arg (tree exp, aggr_init_expr_arg_iterator *iter)
2538 init_aggr_init_expr_arg_iterator (exp, iter);
2539 return next_aggr_init_expr_arg (iter);
2542 /* Test whether there are more arguments in abstract argument list iterator
2543 ITER, without changing its state. */
2545 more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter)
2547 return (iter->i < iter->n);
2550 /* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable
2551 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */
2552 #define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \
2553 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
2554 (arg) = next_aggr_init_expr_arg (&(iter)))
2556 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2557 TEMPLATE_DECL. This macro determines whether or not a given class
2558 type is really a template type, as opposed to an instantiation or
2559 specialization of one. */
2560 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2561 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2562 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2563 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2565 /* The name used by the user to name the typename type. Typically,
2566 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2567 corresponding TYPE_DECL. However, this may also be a
2568 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2569 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values
2571 /* True if a TYPENAME_TYPE was declared as an "enum". */
2572 #define TYPENAME_IS_ENUM_P(NODE) \
2573 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
2575 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
2577 #define TYPENAME_IS_CLASS_P(NODE) \
2578 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
2580 /* True if a TYPENAME_TYPE is in the process of being resolved. */
2581 #define TYPENAME_IS_RESOLVING_P(NODE) \
2582 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE)))
2584 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2585 using a twos-complement negated operand. */
2586 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2590 A class that declares or inherits a virtual function is called a
2591 polymorphic class. */
2592 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2594 /* Nonzero if this class has a virtual function table pointer. */
2595 #define TYPE_CONTAINS_VPTR_P(NODE) \
2596 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
2598 /* This flag is true of a local VAR_DECL if it was declared in a for
2599 statement, but we are no longer in the scope of the for. */
2600 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2602 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2603 if we already emitted a warning about using it. */
2604 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2606 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2607 scope) declared in a local scope. */
2608 #define DECL_LOCAL_FUNCTION_P(NODE) \
2609 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2611 /* Nonzero if NODE is a DECL which we know about but which has not
2612 been explicitly declared, such as a built-in function or a friend
2613 declared inside a class. In the latter case DECL_HIDDEN_FRIEND_P
2615 #define DECL_ANTICIPATED(NODE) \
2616 (DECL_LANG_SPECIFIC (DECL_COMMON_CHECK (NODE))->decl_flags.anticipated_p)
2618 /* Nonzero if NODE is a FUNCTION_DECL which was declared as a friend
2619 within a class but has not been declared in the surrounding scope.
2620 The function is invisible except via argument dependent lookup. */
2621 #define DECL_HIDDEN_FRIEND_P(NODE) \
2622 (DECL_LANG_SPECIFIC (DECL_COMMON_CHECK (NODE))->decl_flags.hidden_friend_p)
2624 /* Nonzero if DECL has been declared threadprivate by
2625 #pragma omp threadprivate. */
2626 #define CP_DECL_THREADPRIVATE_P(DECL) \
2627 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->decl_flags.threadprivate_p)
2629 /* Nonzero if DECL was declared with '= delete'. */
2630 #define DECL_DELETED_FN(DECL) \
2631 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.threadprivate_p)
2633 /* Nonzero if DECL was declared with '= default'. */
2634 #define DECL_DEFAULTED_FN(DECL) \
2635 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.defaulted_p)
2637 /* Record whether a typedef for type `int' was actually `signed int'. */
2638 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2640 /* Returns nonzero if DECL has external linkage, as specified by the
2641 language standard. (This predicate may hold even when the
2642 corresponding entity is not actually given external linkage in the
2643 object file; see decl_linkage for details.) */
2644 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2645 (decl_linkage (DECL) == lk_external)
2647 /* Keep these codes in ascending code order. */
2649 #define INTEGRAL_CODE_P(CODE) \
2650 ((CODE) == ENUMERAL_TYPE \
2651 || (CODE) == BOOLEAN_TYPE \
2652 || (CODE) == INTEGER_TYPE)
2654 /* [basic.fundamental]
2656 Types bool, char, wchar_t, and the signed and unsigned integer types
2657 are collectively called integral types.
2659 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2660 types as well, which is incorrect in C++. Keep these checks in
2661 ascending code order. */
2662 #define CP_INTEGRAL_TYPE_P(TYPE) \
2663 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2664 || TREE_CODE (TYPE) == INTEGER_TYPE)
2666 /* Returns true if TYPE is an integral or enumeration name. Keep
2667 these checks in ascending code order. */
2668 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2669 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
2671 /* [basic.fundamental]
2673 Integral and floating types are collectively called arithmetic
2676 As a GNU extension, we also accept complex types.
2678 Keep these checks in ascending code order. */
2679 #define ARITHMETIC_TYPE_P(TYPE) \
2680 (CP_INTEGRAL_TYPE_P (TYPE) \
2681 || TREE_CODE (TYPE) == REAL_TYPE \
2682 || TREE_CODE (TYPE) == COMPLEX_TYPE)
2686 Arithmetic types, enumeration types, pointer types, and
2687 pointer-to-member types, are collectively called scalar types.
2689 Keep these checks in ascending code order. */
2690 #define SCALAR_TYPE_P(TYPE) \
2691 (TYPE_PTRMEM_P (TYPE) \
2692 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2693 || ARITHMETIC_TYPE_P (TYPE) \
2694 || TYPE_PTR_P (TYPE) \
2695 || TYPE_PTRMEMFUNC_P (TYPE))
2699 An aggregate is an array or a class with no user-declared
2700 constructors, no private or protected non-static data members, no
2701 base classes, and no virtual functions.
2703 As an extension, we also treat vectors as aggregates. Keep these
2704 checks in ascending code order. */
2705 #define CP_AGGREGATE_TYPE_P(TYPE) \
2706 (TREE_CODE (TYPE) == VECTOR_TYPE \
2707 ||TREE_CODE (TYPE) == ARRAY_TYPE \
2708 || (CLASS_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2710 /* Nonzero for a class type means that the class type has a
2711 user-declared constructor. */
2712 #define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2714 /* When appearing in an INDIRECT_REF, it means that the tree structure
2715 underneath is actually a call to a constructor. This is needed
2716 when the constructor must initialize local storage (which can
2717 be automatically destroyed), rather than allowing it to allocate
2718 space from the heap.
2720 When appearing in a SAVE_EXPR, it means that underneath
2721 is a call to a constructor.
2723 When appearing in a CONSTRUCTOR, the expression is a
2726 When appearing in a FIELD_DECL, it means that this field
2727 has been duly initialized in its constructor. */
2728 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2730 /* True if NODE is a brace-enclosed initializer. */
2731 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
2732 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node)
2734 /* True if NODE is a compound-literal, i.e., a brace-enclosed
2735 initializer cast to a particular type. */
2736 #define COMPOUND_LITERAL_P(NODE) \
2737 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE))
2739 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2740 && VEC_empty (constructor_elt, \
2741 CONSTRUCTOR_ELTS (NODE)) \
2742 && !TREE_HAS_CONSTRUCTOR (NODE))
2744 /* True if NODE is a init-list used as a direct-initializer, i.e.
2745 B b{1,2}, not B b({1,2}) or B b = {1,2}. */
2746 #define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE)))
2748 /* Nonzero means that an object of this type can not be initialized using
2749 an initializer list. */
2750 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2751 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2752 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
2753 (MAYBE_CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
2755 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
2756 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
2758 /* Nonzero if there is a user-defined X::X(x&) for this class. */
2759 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
2761 /* Nonzero if there is a user-defined default constructor for this class. */
2762 #define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
2764 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
2766 A destructor is trivial if it is an implicitly declared
2769 - all of the direct base classes of its class have trivial
2772 - for all of the non-static data members of its class that are
2773 of class type (or array thereof), each such class has a
2774 trivial destructor. */
2775 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
2776 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
2778 /* Nonzero for _TYPE node means that this type does not have a trivial
2779 destructor. Therefore, destroying an object of this type will
2780 involve a call to a destructor. This can apply to objects of
2781 ARRAY_TYPE is the type of the elements needs a destructor. */
2782 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
2783 (TYPE_LANG_FLAG_4 (NODE))
2785 /* Nonzero for class type means that the default constructor is trivial. */
2786 #define TYPE_HAS_TRIVIAL_DFLT(NODE) \
2787 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE))
2789 /* Nonzero for class type means that copy initialization of this type can use
2791 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
2792 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
2794 /* Nonzero for class type means that assignment of this type can use
2796 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
2797 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
2799 /* Returns true if NODE is a pointer-to-data-member. */
2800 #define TYPE_PTRMEM_P(NODE) \
2801 (TREE_CODE (NODE) == OFFSET_TYPE)
2802 /* Returns true if NODE is a pointer. */
2803 #define TYPE_PTR_P(NODE) \
2804 (TREE_CODE (NODE) == POINTER_TYPE)
2806 /* Returns true if NODE is an object type:
2810 An object type is a (possibly cv-qualified) type that is not a
2811 function type, not a reference type, and not a void type.
2813 Keep these checks in ascending order, for speed. */
2814 #define TYPE_OBJ_P(NODE) \
2815 (TREE_CODE (NODE) != REFERENCE_TYPE \
2816 && TREE_CODE (NODE) != VOID_TYPE \
2817 && TREE_CODE (NODE) != FUNCTION_TYPE \
2818 && TREE_CODE (NODE) != METHOD_TYPE)
2820 /* Returns true if NODE is a pointer to an object. Keep these checks
2821 in ascending tree code order. */
2822 #define TYPE_PTROB_P(NODE) \
2823 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE)))
2825 /* Returns true if NODE is a reference to an object. Keep these checks
2826 in ascending tree code order. */
2827 #define TYPE_REF_OBJ_P(NODE) \
2828 (TREE_CODE (NODE) == REFERENCE_TYPE && TYPE_OBJ_P (TREE_TYPE (NODE)))
2830 /* True if reference type NODE is an rvalue reference */
2831 #define TYPE_REF_IS_RVALUE(NODE) \
2832 TREE_LANG_FLAG_0 (REFERENCE_TYPE_CHECK (NODE))
2834 /* Returns true if NODE is a pointer to an object, or a pointer to
2835 void. Keep these checks in ascending tree code order. */
2836 #define TYPE_PTROBV_P(NODE) \
2837 (TYPE_PTR_P (NODE) \
2838 && !(TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
2839 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
2841 /* Returns true if NODE is a pointer to function. */
2842 #define TYPE_PTRFN_P(NODE) \
2843 (TREE_CODE (NODE) == POINTER_TYPE \
2844 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2846 /* Returns true if NODE is a reference to function. */
2847 #define TYPE_REFFN_P(NODE) \
2848 (TREE_CODE (NODE) == REFERENCE_TYPE \
2849 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2851 /* Nonzero for _TYPE node means that this type is a pointer to member
2853 #define TYPE_PTRMEMFUNC_P(NODE) \
2854 (TREE_CODE (NODE) == RECORD_TYPE \
2855 && TYPE_LANG_SPECIFIC (NODE) \
2856 && TYPE_PTRMEMFUNC_FLAG (NODE))
2858 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
2859 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
2861 /* Returns true if NODE is a pointer-to-member. */
2862 #define TYPE_PTR_TO_MEMBER_P(NODE) \
2863 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
2865 /* Indicates when overload resolution may resolve to a pointer to
2866 member function. [expr.unary.op]/3 */
2867 #define PTRMEM_OK_P(NODE) \
2868 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF))
2870 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
2871 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
2872 before using this macro. */
2873 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
2874 (TREE_TYPE (TYPE_FIELDS (NODE)))
2876 /* Returns `A' for a type like `int (A::*)(double)' */
2877 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
2878 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2880 /* These are use to manipulate the canonical RECORD_TYPE from the
2881 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
2882 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
2883 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
2884 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
2886 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
2888 TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR \
2889 (struct lang_type, sizeof (struct lang_type_ptrmem)); \
2890 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
2892 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
2895 /* For a pointer-to-member type of the form `T X::*', this is `X'.
2896 For a type like `void (X::*)() const', this type is `X', not `const
2897 X'. To get at the `const X' you have to look at the
2898 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
2900 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
2901 (TYPE_PTRMEM_P (NODE) \
2902 ? TYPE_OFFSET_BASETYPE (NODE) \
2903 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
2905 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
2906 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
2907 (TYPE_PTRMEM_P (NODE) \
2908 ? TREE_TYPE (NODE) \
2909 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2911 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
2913 #define PTRMEM_CST_CLASS(NODE) \
2914 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
2916 /* For a pointer-to-member constant `X::Y' this is the _DECL for
2918 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
2920 /* The expression in question for a TYPEOF_TYPE. */
2921 #define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values
2923 /* The expression in question for a DECLTYPE_TYPE. */
2924 #define DECLTYPE_TYPE_EXPR(NODE) (DECLTYPE_TYPE_CHECK (NODE))->type.values
2926 /* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an
2927 id-expression or a member-access expression. When false, it was
2928 parsed as a full expression. */
2929 #define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
2930 (DECLTYPE_TYPE_CHECK (NODE))->type.string_flag
2932 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
2933 specified in its declaration. This can also be set for an
2934 erroneously declared PARM_DECL. */
2935 #define DECL_THIS_EXTERN(NODE) \
2936 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2938 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
2939 specified in its declaration. This can also be set for an
2940 erroneously declared PARM_DECL. */
2941 #define DECL_THIS_STATIC(NODE) \
2942 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2944 /* Nonzero for FIELD_DECL node means that this field is a base class
2945 of the parent object, as opposed to a member field. */
2946 #define DECL_FIELD_IS_BASE(NODE) \
2947 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
2949 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
2950 flag for this because "A union for which objects or pointers are
2951 declared is not an anonymous union" [class.union]. */
2952 #define ANON_AGGR_TYPE_P(NODE) \
2953 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
2954 #define SET_ANON_AGGR_TYPE_P(NODE) \
2955 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
2957 /* Nonzero if TYPE is an anonymous union type. */
2958 #define ANON_UNION_TYPE_P(NODE) \
2959 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
2961 #define UNKNOWN_TYPE LANG_TYPE
2963 /* Define fields and accessors for nodes representing declared names. */
2965 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
2967 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
2969 /* The format of each node in the DECL_FRIENDLIST is as follows:
2971 The TREE_PURPOSE will be the name of a function, i.e., an
2972 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
2973 TREE_VALUEs are friends with the given name. */
2974 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
2975 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2976 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2978 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
2979 each node is a type; the TREE_VALUE is the access granted for this
2980 DECL in that type. The DECL_ACCESS is set by access declarations.
2981 For example, if a member that would normally be public in a
2982 derived class is made protected, then the derived class and the
2983 protected_access_node will appear in the DECL_ACCESS for the node. */
2984 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
2986 /* Nonzero if the FUNCTION_DECL is a global constructor. */
2987 #define DECL_GLOBAL_CTOR_P(NODE) \
2988 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_ctor_p)
2990 /* Nonzero if the FUNCTION_DECL is a global destructor. */
2991 #define DECL_GLOBAL_DTOR_P(NODE) \
2992 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_dtor_p)
2994 /* Accessor macros for C++ template decl nodes. */
2996 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
2997 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
2998 template parameters, with 1 being the outermost set of template
2999 parameters. The TREE_VALUE is a vector, whose elements are the
3000 template parameters at each level. Each element in the vector is a
3001 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
3002 non-type parameter), or a TYPE_DECL (if the parameter is a type
3003 parameter). The TREE_PURPOSE is the default value, if any. The
3004 TEMPLATE_PARM_INDEX for the parameter is available as the
3005 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
3007 #define DECL_TEMPLATE_PARMS(NODE) DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments
3008 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
3009 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
3010 #define DECL_NTPARMS(NODE) \
3011 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
3012 /* For function, method, class-data templates. */
3013 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
3014 /* For a static member variable template, the
3015 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
3016 implicitly generated instantiations of the variable. There are no
3017 partial instantiations of static member variables, so all of these
3018 will be full instantiations.
3020 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
3021 all instantiations and specializations of the class type, including
3022 partial instantiations and partial specializations.
3024 In both cases, the TREE_PURPOSE of each node contains the arguments
3025 used; the TREE_VALUE contains the generated variable. The template
3026 arguments are always complete. For example, given:
3028 template <class T> struct S1 {
3029 template <class U> struct S2 {};
3030 template <class U> struct S2<U*> {};
3033 the record for the partial specialization will contain, as its
3034 argument list, { {T}, {U*} }, and will be on the
3035 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
3036 <class U> struct S1<T>::S2'.
3038 This list is not used for function templates. */
3039 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
3040 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
3041 contains all instantiations and specializations of the function,
3042 including partial instantiations. For a partial instantiation
3043 which is a specialization, this list holds only full
3044 specializations of the template that are instantiations of the
3045 partial instantiation. For example, given:
3047 template <class T> struct S {
3048 template <class U> void f(U);
3049 template <> void f(T);
3052 the `S<int>::f<int>(int)' function will appear on the
3053 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
3054 template <class U> void S<T>::f(U)' and `template <class T> void
3055 S<int>::f(T)'. In the latter case, however, it will have only the
3056 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
3057 for the function declaration will point at the specialization, not
3058 the fully general template.
3060 For a class template, this list contains the partial
3061 specializations of this template. (Full specializations are not
3062 recorded on this list.) The TREE_PURPOSE holds the arguments used
3063 in the partial specialization (e.g., for `template <class T> struct
3064 S<T*, int>' this will be `T*'.) The arguments will also include
3065 any outer template arguments. The TREE_VALUE holds the innermost
3066 template parameters for the specialization (e.g., `T' in the
3067 example above.) The TREE_TYPE is the _TYPE node for the partial
3070 This list is not used for static variable templates. */
3071 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
3073 /* Nonzero for a DECL which is actually a template parameter. Keep
3074 these checks in ascending tree code order. */
3075 #define DECL_TEMPLATE_PARM_P(NODE) \
3076 (DECL_LANG_FLAG_0 (NODE) \
3077 && (TREE_CODE (NODE) == CONST_DECL \
3078 || TREE_CODE (NODE) == PARM_DECL \
3079 || TREE_CODE (NODE) == TYPE_DECL \
3080 || TREE_CODE (NODE) == TEMPLATE_DECL))
3082 /* Mark NODE as a template parameter. */
3083 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
3084 (DECL_LANG_FLAG_0 (NODE) = 1)
3086 /* Nonzero if NODE is a template template parameter. */
3087 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
3088 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
3090 /* Nonzero if NODE is a TEMPLATE_DECL representing an
3091 UNBOUND_CLASS_TEMPLATE tree node. */
3092 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
3093 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
3095 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
3096 (TREE_CODE (NODE) == TEMPLATE_DECL \
3097 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
3098 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
3100 /* Nonzero for a DECL that represents a template class. */
3101 #define DECL_CLASS_TEMPLATE_P(NODE) \
3102 (TREE_CODE (NODE) == TEMPLATE_DECL \
3103 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
3104 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
3105 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
3107 /* Nonzero if NODE which declares a type. */
3108 #define DECL_DECLARES_TYPE_P(NODE) \
3109 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
3111 /* Nonzero if NODE is the typedef implicitly generated for a type when
3112 the type is declared. In C++, `struct S {};' is roughly
3113 equivalent to `struct S {}; typedef struct S S;' in C.
3114 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
3115 example. In C++, there is a second implicit typedef for each
3116 class, in the scope of `S' itself, so that you can say `S::S'.
3117 DECL_SELF_REFERENCE_P will hold for that second typedef. */
3118 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
3119 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
3120 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
3121 (DECL_LANG_FLAG_2 (NODE) = 1)
3122 #define DECL_SELF_REFERENCE_P(NODE) \
3123 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
3124 #define SET_DECL_SELF_REFERENCE_P(NODE) \
3125 (DECL_LANG_FLAG_4 (NODE) = 1)
3127 /* A `primary' template is one that has its own template header. A
3128 member function of a class template is a template, but not primary.
3129 A member template is primary. Friend templates are primary, too. */
3131 /* Returns the primary template corresponding to these parameters. */
3132 #define DECL_PRIMARY_TEMPLATE(NODE) \
3133 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
3135 /* Returns nonzero if NODE is a primary template. */
3136 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
3138 /* Nonzero iff NODE is a specialization of a template. The value
3139 indicates the type of specializations:
3141 1=implicit instantiation
3143 2=partial or explicit specialization, e.g.:
3145 template <> int min<int> (int, int),
3147 3=explicit instantiation, e.g.:
3149 template int min<int> (int, int);
3151 Note that NODE will be marked as a specialization even if the
3152 template it is instantiating is not a primary template. For
3155 template <typename T> struct O {
3160 both O<int>::f and O<int>::I will be marked as instantiations.
3162 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also
3164 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.use_template)
3166 /* Like DECL_USE_TEMPLATE, but for class types. */
3167 #define CLASSTYPE_USE_TEMPLATE(NODE) \
3168 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
3170 /* True if NODE is a specialization of a primary template. */
3171 #define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \
3172 (CLASS_TYPE_P (NODE) \
3173 && CLASSTYPE_USE_TEMPLATE (NODE) \
3174 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (arg)))
3176 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
3177 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
3178 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
3180 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
3181 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
3183 /* Returns true for an explicit or partial specialization of a class
3185 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
3186 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
3187 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
3188 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
3190 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
3191 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
3192 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
3193 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
3194 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
3195 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
3197 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
3198 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
3199 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
3200 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
3201 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
3202 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
3204 /* Nonzero if DECL is a friend function which is an instantiation
3205 from the point of view of the compiler, but not from the point of
3206 view of the language. For example given:
3207 template <class T> struct S { friend void f(T) {}; };
3208 the declaration of `void f(int)' generated when S<int> is
3209 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
3210 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */
3211 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
3212 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
3214 /* Nonzero iff we are currently processing a declaration for an
3215 entity with its own template parameter list, and which is not a
3216 full specialization. */
3217 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
3218 (processing_template_decl > template_class_depth (current_scope ()))
3220 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
3221 instantiated, i.e. its definition has been generated from the
3222 pattern given in the template. */
3223 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
3224 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
3226 /* We know what we're doing with this decl now. */
3227 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
3229 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
3230 so that assemble_external will work properly. So we have this flag to
3231 tell us whether the decl is really not external.
3233 This flag does not indicate whether or not the decl is defined in the
3234 current translation unit; it indicates whether or not we should emit the
3235 decl at the end of compilation if it is defined and needed. */
3236 #define DECL_NOT_REALLY_EXTERN(NODE) \
3237 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
3239 #define DECL_REALLY_EXTERN(NODE) \
3240 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
3242 /* A thunk is a stub function.
3244 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
3245 The address of the ordinary FUNCTION_DECL is given by the
3246 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
3247 FUNCTION_DECL. The job of the thunk is to either adjust the this
3248 pointer before transferring control to the FUNCTION_DECL, or call
3249 FUNCTION_DECL and then adjust the result value. Note, the result
3250 pointer adjusting thunk must perform a call to the thunked
3251 function, (or be implemented via passing some invisible parameter
3252 to the thunked function, which is modified to perform the
3253 adjustment just before returning).
3255 A thunk may perform either, or both, of the following operations:
3257 o Adjust the this or result pointer by a constant offset.
3258 o Adjust the this or result pointer by looking up a vcall or vbase offset
3261 A this pointer adjusting thunk converts from a base to a derived
3262 class, and hence adds the offsets. A result pointer adjusting thunk
3263 converts from a derived class to a base, and hence subtracts the
3264 offsets. If both operations are performed, then the constant
3265 adjustment is performed first for this pointer adjustment and last
3266 for the result pointer adjustment.
3268 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
3269 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
3270 used. For this pointer adjusting thunks, it is the vcall offset
3271 into the vtable. For result pointer adjusting thunks it is the
3272 binfo of the virtual base to convert to. Use that binfo's vbase
3275 It is possible to have equivalent covariant thunks. These are
3276 distinct virtual covariant thunks whose vbase offsets happen to
3277 have the same value. THUNK_ALIAS is used to pick one as the
3278 canonical thunk, which will get all the this pointer adjusting
3279 thunks attached to it. */
3281 /* An integer indicating how many bytes should be subtracted from the
3282 this or result pointer when this function is called. */
3283 #define THUNK_FIXED_OFFSET(DECL) \
3284 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.f.u5.fixed_offset)
3286 /* A tree indicating how to perform the virtual adjustment. For a this
3287 adjusting thunk it is the number of bytes to be added to the vtable
3288 to find the vcall offset. For a result adjusting thunk, it is the
3289 binfo of the relevant virtual base. If NULL, then there is no
3290 virtual adjust. (The vptr is always located at offset zero from
3291 the this or result pointer.) (If the covariant type is within the
3292 class hierarchy being laid out, the vbase index is not yet known
3293 at the point we need to create the thunks, hence the need to use
3296 #define THUNK_VIRTUAL_OFFSET(DECL) \
3297 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access)
3299 /* A thunk which is equivalent to another thunk. */
3300 #define THUNK_ALIAS(DECL) \
3301 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.template_info)
3303 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
3304 possible for the target to be a thunk too. */
3305 #define THUNK_TARGET(NODE) \
3306 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
3308 /* True for a SCOPE_REF iff the "template" keyword was used to
3309 indicate that the qualified name denotes a template. */
3310 #define QUALIFIED_NAME_IS_TEMPLATE(NODE) \
3311 (TREE_LANG_FLAG_0 (SCOPE_REF_CHECK (NODE)))
3313 /* True for an OMP_ATOMIC that has dependent parameters. These are stored
3314 as an expr in operand 1, and integer_zero_node in operand 0. */
3315 #define OMP_ATOMIC_DEPENDENT_P(NODE) \
3316 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST)
3318 /* Used while gimplifying continue statements bound to OMP_FOR nodes. */
3319 #define OMP_FOR_GIMPLIFYING_P(NODE) \
3320 (TREE_LANG_FLAG_0 (OMP_FOR_CHECK (NODE)))
3322 /* A language-specific token attached to the OpenMP data clauses to
3323 hold code (or code fragments) related to ctors, dtors, and op=.
3324 See semantics.c for details. */
3325 #define CP_OMP_CLAUSE_INFO(NODE) \
3326 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \
3327 OMP_CLAUSE_COPYPRIVATE))
3329 /* These macros provide convenient access to the various _STMT nodes
3330 created when parsing template declarations. */
3331 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
3332 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
3334 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
3335 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
3337 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
3339 /* Nonzero if this try block is a function try block. */
3340 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
3341 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
3342 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
3343 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
3345 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
3346 and the VAR_DECL for which this cleanup exists. */
3347 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
3348 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
3349 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
3351 /* IF_STMT accessors. These give access to the condition of the if
3352 statement, the then block of the if statement, and the else block
3353 of the if statement if it exists. */
3354 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
3355 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
3356 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
3358 /* WHILE_STMT accessors. These give access to the condition of the
3359 while statement and the body of the while statement, respectively. */
3360 #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
3361 #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
3363 /* DO_STMT accessors. These give access to the condition of the do
3364 statement and the body of the do statement, respectively. */
3365 #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
3366 #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
3368 /* FOR_STMT accessors. These give access to the init statement,
3369 condition, update expression, and body of the for statement,
3371 #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
3372 #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
3373 #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
3374 #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
3376 #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
3377 #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
3378 #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
3380 /* STMT_EXPR accessor. */
3381 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
3383 /* EXPR_STMT accessor. This gives the expression associated with an
3384 expression statement. */
3385 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
3387 /* True if this TARGET_EXPR was created by build_cplus_new, and so we can
3388 discard it if it isn't useful. */
3389 #define TARGET_EXPR_IMPLICIT_P(NODE) \
3390 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE))
3392 /* An enumeration of the kind of tags that C++ accepts. */
3394 none_type = 0, /* Not a tag type. */
3395 record_type, /* "struct" types. */
3396 class_type, /* "class" types. */
3397 union_type, /* "union" types. */
3398 enum_type, /* "enum" types. */
3399 typename_type /* "typename" types. */
3402 /* The various kinds of lvalues we distinguish. */
3403 typedef enum cp_lvalue_kind {
3404 clk_none = 0, /* Things that are not an lvalue. */
3405 clk_ordinary = 1, /* An ordinary lvalue. */
3406 clk_class = 2, /* An rvalue of class-type. */
3407 clk_bitfield = 4, /* An lvalue for a bit-field. */
3408 clk_packed = 8 /* An lvalue for a packed field. */
3411 /* Various kinds of template specialization, instantiation, etc. */
3412 typedef enum tmpl_spec_kind {
3413 tsk_none, /* Not a template at all. */
3414 tsk_invalid_member_spec, /* An explicit member template
3415 specialization, but the enclosing
3416 classes have not all been explicitly
3418 tsk_invalid_expl_inst, /* An explicit instantiation containing
3419 template parameter lists. */
3420 tsk_excessive_parms, /* A template declaration with too many
3421 template parameter lists. */
3422 tsk_insufficient_parms, /* A template declaration with too few
3424 tsk_template, /* A template declaration. */
3425 tsk_expl_spec, /* An explicit specialization. */
3426 tsk_expl_inst /* An explicit instantiation. */
3429 /* The various kinds of access. BINFO_ACCESS depends on these being
3430 two bit quantities. The numerical values are important; they are
3431 used to initialize RTTI data structures, so changing them changes
3433 typedef enum access_kind {
3434 ak_none = 0, /* Inaccessible. */
3435 ak_public = 1, /* Accessible, as a `public' thing. */
3436 ak_protected = 2, /* Accessible, as a `protected' thing. */
3437 ak_private = 3 /* Accessible, as a `private' thing. */
3440 /* The various kinds of special functions. If you add to this list,
3441 you should update special_function_p as well. */
3442 typedef enum special_function_kind {
3443 sfk_none = 0, /* Not a special function. This enumeral
3444 must have value zero; see
3445 special_function_p. */
3446 sfk_constructor, /* A constructor. */
3447 sfk_copy_constructor, /* A copy constructor. */
3448 sfk_assignment_operator, /* An assignment operator. */
3449 sfk_destructor, /* A destructor. */
3450 sfk_complete_destructor, /* A destructor for complete objects. */
3451 sfk_base_destructor, /* A destructor for base subobjects. */
3452 sfk_deleting_destructor, /* A destructor for complete objects that
3453 deletes the object after it has been
3455 sfk_conversion /* A conversion operator. */
3456 } special_function_kind;
3458 /* The various kinds of linkage. From [basic.link],
3460 A name is said to have linkage when it might denote the same
3461 object, reference, function, type, template, namespace or value
3462 as a name introduced in another scope:
3464 -- When a name has external linkage, the entity it denotes can
3465 be referred to from scopes of other translation units or from
3466 other scopes of the same translation unit.
3468 -- When a name has internal linkage, the entity it denotes can
3469 be referred to by names from other scopes in the same
3472 -- When a name has no linkage, the entity it denotes cannot be
3473 referred to by names from other scopes. */
3475 typedef enum linkage_kind {
3476 lk_none, /* No linkage. */
3477 lk_internal, /* Internal linkage. */
3478 lk_external /* External linkage. */
3481 /* Bitmask flags to control type substitution. */
3482 typedef enum tsubst_flags_t {
3483 tf_none = 0, /* nothing special */
3484 tf_error = 1 << 0, /* give error messages */
3485 tf_warning = 1 << 1, /* give warnings too */
3486 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
3487 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
3488 (make_typename_type use) */
3489 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
3490 instantiate_type use) */
3491 tf_user = 1 << 5, /* found template must be a user template
3492 (lookup_template_class use) */
3493 tf_conv = 1 << 6, /* We are determining what kind of
3494 conversion might be permissible,
3495 not actually performing the
3497 /* Convenient substitution flags combinations. */
3498 tf_warning_or_error = tf_warning | tf_error
3501 /* The kind of checking we can do looking in a class hierarchy. */
3502 typedef enum base_access {
3503 ba_any = 0, /* Do not check access, allow an ambiguous base,
3504 prefer a non-virtual base */
3505 ba_unique = 1 << 0, /* Must be a unique base. */
3506 ba_check_bit = 1 << 1, /* Check access. */
3507 ba_check = ba_unique | ba_check_bit,
3508 ba_ignore_scope = 1 << 2, /* Ignore access allowed by local scope. */
3509 ba_quiet = 1 << 3 /* Do not issue error messages. */
3512 /* The various kinds of access check during parsing. */
3513 typedef enum deferring_kind {
3514 dk_no_deferred = 0, /* Check access immediately */
3515 dk_deferred = 1, /* Deferred check */
3516 dk_no_check = 2 /* No access check */
3519 /* The kind of base we can find, looking in a class hierarchy.
3520 Values <0 indicate we failed. */
3521 typedef enum base_kind {
3522 bk_inaccessible = -3, /* The base is inaccessible */
3523 bk_ambig = -2, /* The base is ambiguous */
3524 bk_not_base = -1, /* It is not a base */
3525 bk_same_type = 0, /* It is the same type */
3526 bk_proper_base = 1, /* It is a proper base */
3527 bk_via_virtual = 2 /* It is a proper base, but via a virtual
3528 path. This might not be the canonical
3532 /* Node for "pointer to (virtual) function".
3533 This may be distinct from ptr_type_node so gdb can distinguish them. */
3534 #define vfunc_ptr_type_node vtable_entry_type
3537 /* For building calls to `delete'. */
3538 extern GTY(()) tree integer_two_node;
3539 extern GTY(()) tree integer_three_node;
3541 /* The number of function bodies which we are currently processing.
3542 (Zero if we are at namespace scope, one inside the body of a
3543 function, two inside the body of a function in a local class, etc.) */
3544 extern int function_depth;
3548 /* These values are used for the `STRICT' parameter to type_unification and
3549 fn_type_unification. Their meanings are described with the
3550 documentation for fn_type_unification. */
3552 typedef enum unification_kind_t {
3556 } unification_kind_t;
3560 extern int current_class_depth;
3562 /* An array of all local classes present in this translation unit, in
3563 declaration order. */
3564 extern GTY(()) VEC(tree,gc) *local_classes;
3566 /* Here's where we control how name mangling takes place. */
3568 /* Cannot use '$' up front, because this confuses gdb
3569 (names beginning with '$' are gdb-local identifiers).
3571 Note that all forms in which the '$' is significant are long enough
3572 for direct indexing (meaning that if we know there is a '$'
3573 at a particular location, we can index into the string at
3574 any other location that provides distinguishing characters). */
3576 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
3577 doesn't allow '$' in symbol names. */
3578 #ifndef NO_DOLLAR_IN_LABEL
3582 #define AUTO_TEMP_NAME "_$tmp_"
3583 #define VFIELD_BASE "$vf"
3584 #define VFIELD_NAME "_vptr$"
3585 #define VFIELD_NAME_FORMAT "_vptr$%s"
3586 #define ANON_AGGRNAME_FORMAT "$_%d"
3588 #else /* NO_DOLLAR_IN_LABEL */
3590 #ifndef NO_DOT_IN_LABEL
3594 #define AUTO_TEMP_NAME "_.tmp_"
3595 #define VFIELD_BASE ".vf"
3596 #define VFIELD_NAME "_vptr."
3597 #define VFIELD_NAME_FORMAT "_vptr.%s"
3599 #define ANON_AGGRNAME_FORMAT "._%d"
3601 #else /* NO_DOT_IN_LABEL */
3603 #define IN_CHARGE_NAME "__in_chrg"
3604 #define AUTO_TEMP_NAME "__tmp_"
3605 #define TEMP_NAME_P(ID_NODE) \
3606 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3607 sizeof (AUTO_TEMP_NAME) - 1))
3608 #define VTABLE_NAME "__vt_"
3609 #define VTABLE_NAME_P(ID_NODE) \
3610 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3611 sizeof (VTABLE_NAME) - 1))
3612 #define VFIELD_BASE "__vfb"
3613 #define VFIELD_NAME "__vptr_"
3614 #define VFIELD_NAME_P(ID_NODE) \
3615 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3616 sizeof (VFIELD_NAME) - 1))
3617 #define VFIELD_NAME_FORMAT "__vptr_%s"
3619 #define ANON_AGGRNAME_PREFIX "__anon_"
3620 #define ANON_AGGRNAME_P(ID_NODE) \
3621 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3622 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3623 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3625 #endif /* NO_DOT_IN_LABEL */
3626 #endif /* NO_DOLLAR_IN_LABEL */
3628 #define THIS_NAME "this"
3630 #define IN_CHARGE_NAME "__in_chrg"
3632 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3633 #define VTABLE_DELTA_NAME "__delta"
3634 #define VTABLE_PFN_NAME "__pfn"
3636 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3638 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3639 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3640 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3642 #define TEMP_NAME_P(ID_NODE) \
3643 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3644 #define VFIELD_NAME_P(ID_NODE) \
3645 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3647 /* For anonymous aggregate types, we need some sort of name to
3648 hold on to. In practice, this should not appear, but it should
3649 not be harmful if it does. */
3650 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3651 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3652 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3655 /* Nonzero if we're done parsing and into end-of-file activities. */
3659 /* A list of namespace-scope objects which have constructors or
3660 destructors which reside in the global scope. The decl is stored
3661 in the TREE_VALUE slot and the initializer is stored in the
3662 TREE_PURPOSE slot. */
3663 extern GTY(()) tree static_aggregates;
3665 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
3667 /* These are uses as bits in flags passed to various functions to
3668 control their behavior. Despite the LOOKUP_ prefix, many of these
3669 do not control name lookup. ??? Functions using these flags should
3670 probably be modified to accept explicit boolean flags for the
3671 behaviors relevant to them. */
3672 /* Check for access violations. */
3673 #define LOOKUP_PROTECT (1 << 0)
3674 /* Complain if no suitable member function matching the arguments is
3676 #define LOOKUP_COMPLAIN (1 << 1)
3677 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3678 /* Even if the function found by lookup is a virtual function, it
3679 should be called directly. */
3680 #define LOOKUP_NONVIRTUAL (1 << 2)
3681 /* Non-converting (i.e., "explicit") constructors are not tried. */
3682 #define LOOKUP_ONLYCONVERTING (1 << 3)
3683 /* If a temporary is created, it should be created so that it lives
3684 as long as the current variable bindings; otherwise it only lives
3685 until the end of the complete-expression. It also forces
3686 direct-initialization in cases where other parts of the compiler
3687 have already generated a temporary, such as reference
3688 initialization and the catch parameter. */
3689 #define DIRECT_BIND (1 << 4)
3690 /* User-defined conversions are not permitted. (Built-in conversions
3692 #define LOOKUP_NO_CONVERSION (1 << 5)
3693 /* The user has explicitly called a destructor. (Therefore, we do
3694 not need to check that the object is non-NULL before calling the
3696 #define LOOKUP_DESTRUCTOR (1 << 6)
3697 /* Do not permit references to bind to temporaries. */
3698 #define LOOKUP_NO_TEMP_BIND (1 << 7)
3699 /* Do not accept objects, and possibly namespaces. */
3700 #define LOOKUP_PREFER_TYPES (1 << 8)
3701 /* Do not accept objects, and possibly types. */
3702 #define LOOKUP_PREFER_NAMESPACES (1 << 9)
3703 /* Accept types or namespaces. */
3704 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
3705 /* Return friend declarations and un-declared builtin functions.
3706 (Normally, these entities are registered in the symbol table, but
3707 not found by lookup.) */
3708 #define LOOKUP_HIDDEN (LOOKUP_PREFER_NAMESPACES << 1)
3709 /* Prefer that the lvalue be treated as an rvalue. */
3710 #define LOOKUP_PREFER_RVALUE (LOOKUP_HIDDEN << 1)
3711 /* We're inside an init-list, so narrowing conversions are ill-formed. */
3712 #define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
3713 /* Avoid user-defined conversions for the first parameter of a copy
3715 #define LOOKUP_NO_COPY_CTOR_CONVERSION (LOOKUP_NO_NARROWING << 1)
3717 #define LOOKUP_NAMESPACES_ONLY(F) \
3718 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
3719 #define LOOKUP_TYPES_ONLY(F) \
3720 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
3721 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
3724 /* These flags are used by the conversion code.
3725 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
3726 CONV_STATIC : Perform the explicit conversions for static_cast.
3727 CONV_CONST : Perform the explicit conversions for const_cast.
3728 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
3729 CONV_PRIVATE : Perform upcasts to private bases.
3730 CONV_FORCE_TEMP : Require a new temporary when converting to the same
3733 #define CONV_IMPLICIT 1
3734 #define CONV_STATIC 2
3735 #define CONV_CONST 4
3736 #define CONV_REINTERPRET 8
3737 #define CONV_PRIVATE 16
3738 /* #define CONV_NONCONVERTING 32 */
3739 #define CONV_FORCE_TEMP 64
3740 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3742 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3743 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
3745 /* Used by build_expr_type_conversion to indicate which types are
3746 acceptable as arguments to the expression under consideration. */
3748 #define WANT_INT 1 /* integer types, including bool */
3749 #define WANT_FLOAT 2 /* floating point types */
3750 #define WANT_ENUM 4 /* enumerated types */
3751 #define WANT_POINTER 8 /* pointer types */
3752 #define WANT_NULL 16 /* null pointer constant */
3753 #define WANT_VECTOR 32 /* vector types */
3754 #define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR)
3756 /* Used with comptypes, and related functions, to guide type
3759 #define COMPARE_STRICT 0 /* Just check if the types are the
3761 #define COMPARE_BASE 1 /* Check to see if the second type is
3762 derived from the first. */
3763 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
3765 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
3766 another declaration of an existing
3768 #define COMPARE_STRUCTURAL 8 /* The comparison is intended to be
3769 structural. The actual comparison
3770 will be identical to
3773 /* Used with push_overloaded_decl. */
3774 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
3775 regardless of the current scope. */
3776 #define PUSH_LOCAL 1 /* Push the DECL into the current
3778 #define PUSH_USING 2 /* We are pushing this DECL as the
3779 result of a using declaration. */
3781 /* Used with start function. */
3782 #define SF_DEFAULT 0 /* No flags. */
3783 #define SF_PRE_PARSED 1 /* The function declaration has
3784 already been parsed. */
3785 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
3786 in the class body. */
3788 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
3789 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
3790 class derived from the type pointed to (referred to) by TYPE1. */
3791 #define same_or_base_type_p(TYPE1, TYPE2) \
3792 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
3794 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
3795 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
3796 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
3797 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
3798 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
3799 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
3800 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
3801 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
3802 #define TEMPLATE_PARM_PARAMETER_PACK(NODE) \
3803 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE)))
3805 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
3806 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
3807 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
3808 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \
3809 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values
3810 #define TEMPLATE_TYPE_IDX(NODE) \
3811 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3812 #define TEMPLATE_TYPE_LEVEL(NODE) \
3813 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3814 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
3815 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3816 #define TEMPLATE_TYPE_DECL(NODE) \
3817 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3818 #define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
3819 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3821 /* These constants can used as bit flags in the process of tree formatting.
3823 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
3824 TFF_SCOPE: include the class and namespace scope of the name.
3825 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
3826 TFF_DECL_SPECIFIERS: print decl-specifiers.
3827 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
3828 a class-key (resp. `enum').
3829 TFF_RETURN_TYPE: include function return type.
3830 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
3831 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
3832 TFF_TEMPLATE_HEADER: show the template<...> header in a
3833 template-declaration.
3834 TFF_TEMPLATE_NAME: show only template-name.
3835 TFF_EXPR_IN_PARENS: parenthesize expressions.
3836 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments.
3837 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the
3838 top-level entity. */
3840 #define TFF_PLAIN_IDENTIFIER (0)
3841 #define TFF_SCOPE (1)
3842 #define TFF_CHASE_TYPEDEF (1 << 1)
3843 #define TFF_DECL_SPECIFIERS (1 << 2)
3844 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
3845 #define TFF_RETURN_TYPE (1 << 4)
3846 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
3847 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
3848 #define TFF_TEMPLATE_HEADER (1 << 7)
3849 #define TFF_TEMPLATE_NAME (1 << 8)
3850 #define TFF_EXPR_IN_PARENS (1 << 9)
3851 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
3852 #define TFF_UNQUALIFIED_NAME (1 << 11)
3854 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
3856 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
3857 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
3858 ? TYPE_TI_TEMPLATE (NODE) \
3863 extern void init_reswords (void);
3865 /* Indexed by TREE_CODE, these tables give C-looking names to
3866 operators represented by TREE_CODES. For example,
3867 opname_tab[(int) MINUS_EXPR] == "-". */
3868 extern const char **opname_tab, **assignop_tab;
3870 typedef struct operator_name_info_t GTY(())
3872 /* The IDENTIFIER_NODE for the operator. */
3874 /* The name of the operator. */
3876 /* The mangled name of the operator. */
3877 const char *mangled_name;
3878 /* The arity of the operator. */
3880 } operator_name_info_t;
3882 /* A mapping from tree codes to operator name information. */
3883 extern GTY(()) operator_name_info_t operator_name_info
3884 [(int) MAX_TREE_CODES];
3885 /* Similar, but for assignment operators. */
3886 extern GTY(()) operator_name_info_t assignment_operator_name_info
3887 [(int) MAX_TREE_CODES];
3889 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
3892 typedef int cp_cv_quals;
3894 /* A storage class. */
3896 typedef enum cp_storage_class {
3897 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
3898 sets the storage_class field to sc_none. */
3907 /* An individual decl-specifier. */
3909 typedef enum cp_decl_spec {
3911 ds_signed = ds_first,
3928 /* A decl-specifier-seq. */
3930 typedef struct cp_decl_specifier_seq {
3931 /* The number of times each of the keywords has been seen. */
3932 unsigned specs[(int) ds_last];
3933 /* The primary type, if any, given by the decl-specifier-seq.
3934 Modifiers, like "short", "const", and "unsigned" are not
3935 reflected here. This field will be a TYPE, unless a typedef-name
3936 was used, in which case it will be a TYPE_DECL. */
3938 /* The location of the primary type. Mainly used for error
3940 location_t type_location;
3941 /* The attributes, if any, provided with the specifier sequence. */
3943 /* If non-NULL, a built-in type that the user attempted to redefine
3944 to some other type. */
3945 tree redefined_builtin_type;
3946 /* The storage class specified -- or sc_none if no storage class was
3947 explicitly specified. */
3948 cp_storage_class storage_class;
3949 /* True iff TYPE_SPEC indicates a user-defined type. */
3950 BOOL_BITFIELD user_defined_type_p : 1;
3951 /* True iff multiple types were (erroneously) specified for this
3952 decl-specifier-seq. */
3953 BOOL_BITFIELD multiple_types_p : 1;
3954 /* True iff multiple storage classes were (erroneously) specified
3955 for this decl-specifier-seq or a combination of a storage class
3956 with a typedef specifier. */
3957 BOOL_BITFIELD conflicting_specifiers_p : 1;
3958 /* True iff at least one decl-specifier was found. */
3959 BOOL_BITFIELD any_specifiers_p : 1;
3960 /* True iff "int" was explicitly provided. */
3961 BOOL_BITFIELD explicit_int_p : 1;
3962 /* True iff "char" was explicitly provided. */
3963 BOOL_BITFIELD explicit_char_p : 1;
3964 } cp_decl_specifier_seq;
3966 /* The various kinds of declarators. */
3968 typedef enum cp_declarator_kind {
3976 } cp_declarator_kind;
3980 typedef struct cp_declarator cp_declarator;
3982 typedef struct cp_parameter_declarator cp_parameter_declarator;
3984 /* A parameter, before it has been semantically analyzed. */
3985 struct cp_parameter_declarator {
3986 /* The next parameter, or NULL_TREE if none. */
3987 cp_parameter_declarator *next;
3988 /* The decl-specifiers-seq for the parameter. */
3989 cp_decl_specifier_seq decl_specifiers;
3990 /* The declarator for the parameter. */
3991 cp_declarator *declarator;
3992 /* The default-argument expression, or NULL_TREE, if none. */
3993 tree default_argument;
3994 /* True iff this is the first parameter in the list and the
3995 parameter sequence ends with an ellipsis. */
4000 struct cp_declarator {
4001 /* The kind of declarator. */
4002 ENUM_BITFIELD (cp_declarator_kind) kind : 4;
4003 /* Whether we parsed an ellipsis (`...') just before the declarator,
4004 to indicate this is a parameter pack. */
4005 BOOL_BITFIELD parameter_pack_p : 1;
4006 /* Attributes that apply to this declarator. */
4008 /* For all but cdk_id and cdk_error, the contained declarator. For
4009 cdk_id and cdk_error, guaranteed to be NULL. */
4010 cp_declarator *declarator;
4011 location_t id_loc; /* Currently only set for cdk_id. */
4013 /* For identifiers. */
4015 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
4016 *_TYPE) for this identifier. */
4017 tree qualifying_scope;
4018 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
4019 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
4020 tree unqualified_name;
4021 /* If this is the name of a function, what kind of special
4022 function (if any). */
4023 special_function_kind sfk;
4025 /* For functions. */
4027 /* The parameters to the function. */
4028 cp_parameter_declarator *parameters;
4029 /* The cv-qualifiers for the function. */
4030 cp_cv_quals qualifiers;
4031 /* The exception-specification for the function. */
4032 tree exception_specification;
4036 /* The bounds to the array. */
4039 /* For cdk_pointer and cdk_ptrmem. */
4041 /* The cv-qualifiers for the pointer. */
4042 cp_cv_quals qualifiers;
4043 /* For cdk_ptrmem, the class type containing the member. */
4046 /* For cdk_reference */
4048 /* The cv-qualifiers for the reference. These qualifiers are
4049 only used to diagnose ill-formed code. */
4050 cp_cv_quals qualifiers;
4051 /* Whether this is an rvalue reference */
4057 /* A level of template instantiation. */
4058 struct tinst_level GTY(())
4060 /* The immediately deeper level in the chain. */
4061 struct tinst_level *next;
4063 /* The original node. Can be either a DECL (for a function or static
4064 data member) or a TYPE (for a class), depending on what we were
4065 asked to instantiate. */
4068 /* The location where the template is instantiated. */
4071 /* True if the location is in a system header. */
4072 bool in_system_header_p;
4075 /* A parameter list indicating for a function with no parameters,
4076 e.g "int f(void)". */
4077 extern cp_parameter_declarator *no_parameters;
4080 extern bool check_dtor_name (tree, tree);
4082 extern tree build_vfield_ref (tree, tree);
4083 extern tree build_conditional_expr (tree, tree, tree,
4085 extern tree build_addr_func (tree);
4086 extern tree build_call_a (tree, int, tree*);
4087 extern tree build_call_n (tree, int, ...);
4088 extern bool null_ptr_cst_p (tree);
4089 extern bool sufficient_parms_p (const_tree);
4090 extern tree type_decays_to (tree);
4091 extern tree build_user_type_conversion (tree, tree, int);
4092 extern tree build_new_function_call (tree, tree, bool,
4094 extern tree build_operator_new_call (tree, tree, tree *, tree *,
4096 extern tree build_new_method_call (tree, tree, tree, tree, int,
4097 tree *, tsubst_flags_t);
4098 extern tree build_special_member_call (tree, tree, tree, tree, int,
4100 extern tree build_new_op (enum tree_code, int, tree,
4103 extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree, tree);
4104 extern bool can_convert (tree, tree);
4105 extern bool can_convert_arg (tree, tree, tree, int);
4106 extern bool can_convert_arg_bad (tree, tree, tree);
4107 extern bool enforce_access (tree, tree, tree);
4108 extern tree convert_default_arg (tree, tree, tree, int);
4109 extern tree convert_arg_to_ellipsis (tree);
4110 extern tree build_x_va_arg (tree, tree);
4111 extern tree cxx_type_promotes_to (tree);
4112 extern tree type_passed_as (tree);
4113 extern tree convert_for_arg_passing (tree, tree);
4114 extern bool is_properly_derived_from (tree, tree);
4115 extern tree set_up_extended_ref_temp (tree, tree, tree *, tree *);
4116 extern tree initialize_reference (tree, tree, tree, tree *);
4117 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
4118 extern tree strip_top_quals (tree);
4119 extern tree perform_implicit_conversion (tree, tree, tsubst_flags_t);
4120 extern tree perform_direct_initialization_if_possible (tree, tree, bool,
4122 extern tree in_charge_arg_for_name (tree);
4123 extern tree build_cxx_call (tree, int, tree *);
4124 extern bool is_std_init_list (tree);
4125 extern bool is_list_ctor (tree);
4126 #ifdef ENABLE_CHECKING
4127 extern void validate_conversion_obstack (void);
4128 #endif /* ENABLE_CHECKING */
4131 extern tree build_base_path (enum tree_code, tree,
4133 extern tree convert_to_base (tree, tree, bool, bool);
4134 extern tree convert_to_base_statically (tree, tree);
4135 extern tree build_vtbl_ref (tree, tree);
4136 extern tree build_vfn_ref (tree, tree);
4137 extern tree get_vtable_decl (tree, int);
4138 extern void resort_type_method_vec (void *, void *,
4139 gt_pointer_operator, void *);
4140 extern bool add_method (tree, tree, tree);
4141 extern bool currently_open_class (tree);
4142 extern tree currently_open_derived_class (tree);
4143 extern tree finish_struct (tree, tree);
4144 extern void finish_struct_1 (tree);
4145 extern int resolves_to_fixed_type_p (tree, int *);
4146 extern void init_class_processing (void);
4147 extern int is_empty_class (tree);
4148 extern void pushclass (tree);
4149 extern void popclass (void);
4150 extern void push_nested_class (tree);
4151 extern void pop_nested_class (void);
4152 extern int current_lang_depth (void);
4153 extern void push_lang_context (tree);
4154 extern void pop_lang_context (void);
4155 extern tree instantiate_type (tree, tree, tsubst_flags_t);
4156 extern void print_class_statistics (void);
4157 extern void cxx_print_statistics (void);
4158 extern void cxx_print_xnode (FILE *, tree, int);
4159 extern void cxx_print_decl (FILE *, tree, int);
4160 extern void cxx_print_type (FILE *, tree, int);
4161 extern void cxx_print_identifier (FILE *, tree, int);
4162 extern void cxx_print_error_function (struct diagnostic_context *,
4164 struct diagnostic_info *);
4165 extern void build_self_reference (void);
4166 extern int same_signature_p (const_tree, const_tree);
4167 extern void maybe_add_class_template_decl_list (tree, tree, int);
4168 extern void unreverse_member_declarations (tree);
4169 extern void invalidate_class_lookup_cache (void);
4170 extern void maybe_note_name_used_in_class (tree, tree);
4171 extern void note_name_declared_in_class (tree, tree);
4172 extern tree get_vtbl_decl_for_binfo (tree);
4173 extern void debug_class (tree);
4174 extern void debug_thunks (tree);
4175 extern tree cp_fold_obj_type_ref (tree, tree);
4176 extern void set_linkage_according_to_type (tree, tree);
4177 extern void determine_key_method (tree);
4178 extern void check_for_override (tree, tree);
4179 extern void push_class_stack (void);
4180 extern void pop_class_stack (void);
4181 extern bool type_has_user_nondefault_constructor (tree);
4182 extern bool type_has_user_provided_constructor (tree);
4183 extern bool type_has_user_provided_default_constructor (tree);
4184 extern bool defaultable_fn_p (tree);
4187 extern tree convert_to_reference (tree, tree, int, int, tree);
4188 extern tree convert_from_reference (tree);
4189 extern tree force_rvalue (tree);
4190 extern tree ocp_convert (tree, tree, int, int);
4191 extern tree cp_convert (tree, tree);
4192 extern tree cp_convert_and_check (tree, tree);
4193 extern tree convert_to_void (tree, const char */*implicit context*/,
4195 extern tree convert_force (tree, tree, int);
4196 extern tree build_expr_type_conversion (int, tree, bool);
4197 extern tree type_promotes_to (tree);
4198 extern tree perform_qualification_conversions (tree, tree);
4199 extern void clone_function_decl (tree, int);
4200 extern void adjust_clone_args (tree);
4203 extern tree poplevel (int, int, int);
4204 extern void insert_block (tree);
4205 extern tree pushdecl (tree);
4206 extern tree pushdecl_maybe_friend (tree, bool);
4207 extern void cxx_init_decl_processing (void);
4208 enum cp_tree_node_structure_enum cp_tree_node_structure
4209 (union lang_tree_node *);
4210 extern bool cxx_mark_addressable (tree);
4211 extern void maybe_push_cleanup_level (tree);
4212 extern void finish_scope (void);
4213 extern void push_switch (tree);
4214 extern void pop_switch (void);
4215 extern tree pushtag (tree, tree, tag_scope);
4216 extern tree make_anon_name (void);
4217 extern int decls_match (tree, tree);
4218 extern tree duplicate_decls (tree, tree, bool);
4219 extern tree pushdecl_top_level_maybe_friend (tree, bool);
4220 extern tree pushdecl_top_level_and_finish (tree, tree);
4221 extern tree declare_local_label (tree);
4222 extern tree define_label (location_t, tree);
4223 extern void check_goto (tree);
4224 extern bool check_omp_return (void);
4225 extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t);
4226 extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t);
4227 extern tree check_for_out_of_scope_variable (tree);
4228 extern tree build_library_fn_ptr (const char *, tree);
4229 extern tree build_cp_library_fn_ptr (const char *, tree);
4230 extern tree push_library_fn (tree, tree, tree);
4231 extern tree push_void_library_fn (tree, tree);
4232 extern tree push_throw_library_fn (tree, tree);
4233 extern tree check_tag_decl (cp_decl_specifier_seq *);
4234 extern tree shadow_tag (cp_decl_specifier_seq *);
4235 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *);
4236 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree, tree *);
4237 extern void start_decl_1 (tree, bool);
4238 extern bool check_array_initializer (tree, tree, tree);
4239 extern void cp_finish_decl (tree, tree, bool, tree, int);
4240 extern void finish_decl (tree, tree, tree);
4241 extern int cp_complete_array_type (tree *, tree, bool);
4242 extern tree build_ptrmemfunc_type (tree);
4243 extern tree build_ptrmem_type (tree, tree);
4244 /* the grokdeclarator prototype is in decl.h */
4245 extern tree build_this_parm (tree, cp_cv_quals);
4246 extern int copy_fn_p (const_tree);
4247 extern bool move_fn_p (const_tree);
4248 extern tree get_scope_of_declarator (const cp_declarator *);
4249 extern void grok_special_member_properties (tree);
4250 extern int grok_ctor_properties (const_tree, const_tree);
4251 extern bool grok_op_properties (tree, bool);
4252 extern tree xref_tag (enum tag_types, tree, tag_scope, bool);
4253 extern tree xref_tag_from_type (tree, tree, tag_scope);
4254 extern bool xref_basetypes (tree, tree);
4255 extern tree start_enum (tree);
4256 extern void finish_enum (tree);
4257 extern void build_enumerator (tree, tree, tree);
4258 extern void start_preparsed_function (tree, tree, int);
4259 extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree);
4260 extern tree begin_function_body (void);
4261 extern void finish_function_body (tree);
4262 extern tree outer_curly_brace_block (tree);
4263 extern tree finish_function (int);
4264 extern tree start_method (cp_decl_specifier_seq *, const cp_declarator *, tree);
4265 extern tree finish_method (tree);
4266 extern void maybe_register_incomplete_var (tree);
4267 extern void complete_vars (tree);
4268 extern void finish_stmt (void);
4269 extern void print_other_binding_stack (struct cp_binding_level *);
4270 extern void revert_static_member_fn (tree);
4271 extern void fixup_anonymous_aggr (tree);
4272 extern int check_static_variable_definition (tree, tree);
4273 extern tree compute_array_index_type (tree, tree);
4274 extern tree check_default_argument (tree, tree);
4275 typedef int (*walk_namespaces_fn) (tree, void *);
4276 extern int walk_namespaces (walk_namespaces_fn,
4278 extern int wrapup_globals_for_namespace (tree, void *);
4279 extern tree create_implicit_typedef (tree, tree);
4280 extern tree maybe_push_decl (tree);
4281 extern tree force_target_expr (tree, tree);
4282 extern tree build_target_expr_with_type (tree, tree);
4283 extern int local_variable_p (const_tree);
4284 extern tree register_dtor_fn (tree);
4285 extern tmpl_spec_kind current_tmpl_spec_kind (int);
4286 extern tree cp_fname_init (const char *, tree *);
4287 extern tree cxx_builtin_function (tree decl);
4288 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
4289 extern void warn_extern_redeclared_static (tree, tree);
4290 extern const char *cxx_comdat_group (tree);
4291 extern bool cp_missing_noreturn_ok_p (tree);
4292 extern void initialize_artificial_var (tree, tree);
4293 extern tree check_var_type (tree, tree);
4294 extern tree reshape_init (tree, tree);
4297 extern bool check_java_method (tree);
4298 extern tree build_memfn_type (tree, tree, cp_cv_quals);
4299 extern void maybe_retrofit_in_chrg (tree);
4300 extern void maybe_make_one_only (tree);
4301 extern void grokclassfn (tree, tree,
4302 enum overload_flags);
4303 extern tree grok_array_decl (tree, tree);
4304 extern tree delete_sanity (tree, tree, bool, int);
4305 extern tree check_classfn (tree, tree, tree);
4306 extern void check_member_template (tree);
4307 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *,
4308 tree, bool, tree, tree);
4309 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *,
4311 extern tree cp_reconstruct_complex_type (tree, tree);
4312 extern void cplus_decl_attributes (tree *, tree, int);
4313 extern void finish_anon_union (tree);
4314 extern void cp_write_global_declarations (void);
4315 extern tree coerce_new_type (tree);
4316 extern tree coerce_delete_type (tree);
4317 extern void comdat_linkage (tree);
4318 extern void determine_visibility (tree);
4319 extern void constrain_class_visibility (tree);
4320 extern void update_member_visibility (tree);
4321 extern void import_export_decl (tree);
4322 extern tree build_cleanup (tree);
4323 extern tree build_offset_ref_call_from_tree (tree, tree);
4324 extern void check_default_args (tree);
4325 extern void mark_used (tree);
4326 extern void finish_static_data_member_decl (tree, tree, bool, tree, int);
4327 extern tree cp_build_parm_decl (tree, tree);
4328 extern tree get_guard (tree);
4329 extern tree get_guard_cond (tree);
4330 extern tree set_guard (tree);
4331 extern tree cxx_callgraph_analyze_expr (tree *, int *);
4332 extern void mark_needed (tree);
4333 extern bool decl_needed_p (tree);
4334 extern void note_vague_linkage_fn (tree);
4335 extern tree build_artificial_parm (tree, tree);
4336 extern bool possibly_inlined_p (tree);
4339 extern void init_error (void);
4340 extern const char *type_as_string (tree, int);
4341 extern const char *decl_as_string (tree, int);
4342 extern const char *expr_as_string (tree, int);
4343 extern const char *lang_decl_name (tree, int);
4344 extern const char *language_to_string (enum languages);
4345 extern const char *class_key_or_enum_as_string (tree);
4346 extern void print_instantiation_context (void);
4347 extern void maybe_warn_variadic_templates (void);
4348 extern void maybe_warn_cpp0x (const char *);
4351 extern void init_exception_processing (void);
4352 extern tree expand_start_catch_block (tree);
4353 extern void expand_end_catch_block (void);
4354 extern tree build_exc_ptr (void);
4355 extern tree build_throw (tree);
4356 extern int nothrow_libfn_p (const_tree);
4357 extern void check_handlers (tree);
4358 extern void choose_personality_routine (enum languages);
4359 extern tree eh_type_info (tree);
4362 extern tree cplus_expand_constant (tree);
4365 extern int is_friend (tree, tree);
4366 extern void make_friend_class (tree, tree, bool);
4367 extern void add_friend (tree, tree, bool);
4368 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, bool);
4371 extern tree expand_member_init (tree);
4372 extern void emit_mem_initializers (tree);
4373 extern tree build_aggr_init (tree, tree, int,
4375 extern int is_class_type (tree, int);
4376 extern tree get_type_value (tree);
4377 extern tree build_zero_init (tree, tree, bool);
4378 extern tree build_value_init (tree);
4379 extern tree build_offset_ref (tree, tree, bool);
4380 extern tree build_new (tree, tree, tree, tree, int,
4382 extern tree build_vec_init (tree, tree, tree, bool, int,
4384 extern tree build_default_init (tree, tree);
4385 extern tree build_delete (tree, tree,
4386 special_function_kind,
4388 extern void push_base_cleanups (void);
4389 extern tree build_vec_delete (tree, tree,
4390 special_function_kind, int);
4391 extern tree create_temporary_var (tree);
4392 extern void initialize_vtbl_ptrs (tree);
4393 extern tree build_java_class_ref (tree);
4394 extern tree integral_constant_value (tree);
4397 extern void cxx_dup_lang_specific_decl (tree);
4398 extern void yyungetc (int, int);
4400 extern tree unqualified_name_lookup_error (tree);
4401 extern tree unqualified_fn_lookup_error (tree);
4402 extern tree build_lang_decl (enum tree_code, tree, tree);
4403 extern void retrofit_lang_decl (tree);
4404 extern tree copy_decl (tree);
4405 extern tree copy_type (tree);
4406 extern tree cxx_make_type (enum tree_code);
4407 extern tree make_class_type (enum tree_code);
4408 extern void yyerror (const char *);
4409 extern void yyhook (int);
4410 extern bool cxx_init (void);
4411 extern void cxx_finish (void);
4412 extern bool in_main_input_context (void);
4415 extern void init_method (void);
4416 extern tree make_thunk (tree, bool, tree, tree);
4417 extern void finish_thunk (tree);
4418 extern void use_thunk (tree, bool);
4419 extern void synthesize_method (tree);
4420 extern tree lazily_declare_fn (special_function_kind,
4422 extern tree skip_artificial_parms_for (const_tree, tree);
4423 extern int num_artificial_parms_for (const_tree);
4424 extern tree make_alias_for (tree, tree);
4425 extern tree locate_copy (tree, void *);
4426 extern tree locate_ctor (tree, void *);
4427 extern tree locate_dtor (tree, void *);
4430 extern bool maybe_clone_body (tree);
4433 extern void check_template_shadow (tree);
4434 extern tree get_innermost_template_args (tree, int);
4435 extern void maybe_begin_member_template_processing (tree);
4436 extern void maybe_end_member_template_processing (void);
4437 extern tree finish_member_template_decl (tree);
4438 extern void begin_template_parm_list (void);
4439 extern bool begin_specialization (void);
4440 extern void reset_specialization (void);
4441 extern void end_specialization (void);
4442 extern void begin_explicit_instantiation (void);
4443 extern void end_explicit_instantiation (void);
4444 extern tree check_explicit_specialization (tree, tree, int, int);
4445 extern tree process_template_parm (tree, tree, bool, bool);
4446 extern tree end_template_parm_list (tree);
4447 extern void end_template_decl (void);
4448 extern bool check_default_tmpl_args (tree, tree, int, int, int);
4449 extern tree push_template_decl (tree);
4450 extern tree push_template_decl_real (tree, bool);
4451 extern bool redeclare_class_template (tree, tree);
4452 extern tree lookup_template_class (tree, tree, tree, tree,
4453 int, tsubst_flags_t);
4454 extern tree lookup_template_function (tree, tree);
4455 extern int uses_template_parms (tree);
4456 extern int uses_template_parms_level (tree, int);
4457 extern tree instantiate_class_template (tree);
4458 extern tree instantiate_template (tree, tree, tsubst_flags_t);
4459 extern int fn_type_unification (tree, tree, tree, tree,
4460 tree, unification_kind_t, int);
4461 extern void mark_decl_instantiated (tree, int);
4462 extern int more_specialized_fn (tree, tree, int);
4463 extern void do_decl_instantiation (tree, tree);
4464 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
4465 extern tree instantiate_decl (tree, int, bool);
4466 extern int comp_template_parms (const_tree, const_tree);
4467 extern bool uses_parameter_packs (tree);
4468 extern bool template_parameter_pack_p (const_tree);
4469 extern tree make_pack_expansion (tree);
4470 extern bool check_for_bare_parameter_packs (tree);
4471 extern tree get_template_info (tree);
4472 extern int template_class_depth (tree);
4473 extern int is_specialization_of (tree, tree);
4474 extern bool is_specialization_of_friend (tree, tree);
4475 extern int comp_template_args (tree, tree);
4476 extern tree maybe_process_partial_specialization (tree);
4477 extern tree most_specialized_instantiation (tree);
4478 extern void print_candidates (tree);
4479 extern void instantiate_pending_templates (int);
4480 extern tree tsubst_default_argument (tree, tree, tree);
4481 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t,
4483 extern tree most_general_template (tree);
4484 extern tree get_mostly_instantiated_function_type (tree);
4485 extern int problematic_instantiation_changed (void);
4486 extern void record_last_problematic_instantiation (void);
4487 extern struct tinst_level *current_instantiation(void);
4488 extern tree maybe_get_template_decl_from_type_decl (tree);
4489 extern int processing_template_parmlist;
4490 extern bool dependent_type_p (tree);
4491 extern bool any_dependent_template_arguments_p (const_tree);
4492 extern bool dependent_template_p (tree);
4493 extern bool dependent_template_id_p (tree, tree);
4494 extern bool type_dependent_expression_p (tree);
4495 extern bool any_type_dependent_arguments_p (const_tree);
4496 extern bool value_dependent_expression_p (tree);
4497 extern bool any_value_dependent_elements_p (const_tree);
4498 extern bool dependent_omp_for_p (tree, tree, tree, tree);
4499 extern tree resolve_typename_type (tree, bool);
4500 extern tree template_for_substitution (tree);
4501 extern tree build_non_dependent_expr (tree);
4502 extern tree build_non_dependent_args (tree);
4503 extern bool reregister_specialization (tree, tree, tree);
4504 extern tree fold_non_dependent_expr (tree);
4505 extern bool explicit_class_specialization_p (tree);
4506 extern struct tinst_level *outermost_tinst_level(void);
4509 extern void init_repo (void);
4510 extern int repo_emit_p (tree);
4511 extern bool repo_export_class_p (const_tree);
4512 extern void finish_repo (void);
4515 /* A vector of all tinfo decls that haven't been emitted yet. */
4516 extern GTY(()) VEC(tree,gc) *unemitted_tinfo_decls;
4518 extern void init_rtti_processing (void);
4519 extern tree build_typeid (tree);
4520 extern tree get_tinfo_decl (tree);
4521 extern tree get_typeid (tree);
4522 extern tree build_headof (tree);
4523 extern tree build_dynamic_cast (tree, tree, tsubst_flags_t);
4524 extern void emit_support_tinfos (void);
4525 extern bool emit_tinfo_decl (tree);
4528 extern bool accessible_base_p (tree, tree, bool);
4529 extern tree lookup_base (tree, tree, base_access,
4531 extern tree dcast_base_hint (tree, tree);
4532 extern int accessible_p (tree, tree, bool);
4533 extern tree lookup_field_1 (tree, tree, bool);
4534 extern tree lookup_field (tree, tree, int, bool);
4535 extern int lookup_fnfields_1 (tree, tree);
4536 extern int class_method_index_for_fn (tree, tree);
4537 extern tree lookup_fnfields (tree, tree, int);
4538 extern tree lookup_member (tree, tree, int, bool);
4539 extern int look_for_overrides (tree, tree);
4540 extern void get_pure_virtuals (tree);
4541 extern void maybe_suppress_debug_info (tree);
4542 extern void note_debug_info_needed (tree);
4543 extern void print_search_statistics (void);
4544 extern void reinit_search_statistics (void);
4545 extern tree current_scope (void);
4546 extern int at_function_scope_p (void);
4547 extern bool at_class_scope_p (void);
4548 extern bool at_namespace_scope_p (void);
4549 extern tree context_for_name_lookup (tree);
4550 extern tree lookup_conversions (tree);
4551 extern tree binfo_from_vbase (tree);
4552 extern tree binfo_for_vbase (tree, tree);
4553 extern tree look_for_overrides_here (tree, tree);
4554 #define dfs_skip_bases ((tree)1)
4555 extern tree dfs_walk_all (tree, tree (*) (tree, void *),
4556 tree (*) (tree, void *), void *);
4557 extern tree dfs_walk_once (tree, tree (*) (tree, void *),
4558 tree (*) (tree, void *), void *);
4559 extern tree binfo_via_virtual (tree, tree);
4560 extern tree build_baselink (tree, tree, tree, tree);
4561 extern tree adjust_result_of_qualified_name_lookup
4563 extern tree copied_binfo (tree, tree);
4564 extern tree original_binfo (tree, tree);
4565 extern int shared_member_p (tree);
4568 /* The representation of a deferred access check. */
4570 typedef struct deferred_access_check GTY(())
4572 /* The base class in which the declaration is referenced. */
4574 /* The declaration whose access must be checked. */
4576 /* The declaration that should be used in the error message. */
4578 } deferred_access_check;
4579 DEF_VEC_O(deferred_access_check);
4580 DEF_VEC_ALLOC_O(deferred_access_check,gc);
4582 /* in semantics.c */
4583 extern void push_deferring_access_checks (deferring_kind);
4584 extern void resume_deferring_access_checks (void);
4585 extern void stop_deferring_access_checks (void);
4586 extern void pop_deferring_access_checks (void);
4587 extern VEC (deferred_access_check,gc)* get_deferred_access_checks (void);
4588 extern void pop_to_parent_deferring_access_checks (void);
4589 extern void perform_access_checks (VEC (deferred_access_check,gc)*);
4590 extern void perform_deferred_access_checks (void);
4591 extern void perform_or_defer_access_check (tree, tree, tree);
4592 extern int stmts_are_full_exprs_p (void);
4593 extern void init_cp_semantics (void);
4594 extern tree do_poplevel (tree);
4595 extern void add_decl_expr (tree);
4596 extern tree finish_expr_stmt (tree);
4597 extern tree begin_if_stmt (void);
4598 extern void finish_if_stmt_cond (tree, tree);
4599 extern tree finish_then_clause (tree);
4600 extern void begin_else_clause (tree);
4601 extern void finish_else_clause (tree);
4602 extern void finish_if_stmt (tree);
4603 extern tree begin_while_stmt (void);
4604 extern void finish_while_stmt_cond (tree, tree);
4605 extern void finish_while_stmt (tree);
4606 extern tree begin_do_stmt (void);
4607 extern void finish_do_body (tree);
4608 extern void finish_do_stmt (tree, tree);
4609 extern tree finish_return_stmt (tree);
4610 extern tree begin_for_stmt (void);
4611 extern void finish_for_init_stmt (tree);
4612 extern void finish_for_cond (tree, tree);
4613 extern void finish_for_expr (tree, tree);
4614 extern void finish_for_stmt (tree);
4615 extern tree finish_break_stmt (void);
4616 extern tree finish_continue_stmt (void);
4617 extern tree begin_switch_stmt (void);
4618 extern void finish_switch_cond (tree, tree);
4619 extern void finish_switch_stmt (tree);
4620 extern tree finish_case_label (tree, tree);
4621 extern tree finish_goto_stmt (tree);
4622 extern tree begin_try_block (void);
4623 extern void finish_try_block (tree);
4624 extern tree begin_eh_spec_block (void);
4625 extern void finish_eh_spec_block (tree, tree);
4626 extern void finish_handler_sequence (tree);
4627 extern tree begin_function_try_block (tree *);
4628 extern void finish_function_try_block (tree);
4629 extern void finish_function_handler_sequence (tree, tree);
4630 extern void finish_cleanup_try_block (tree);
4631 extern tree begin_handler (void);
4632 extern void finish_handler_parms (tree, tree);
4633 extern void finish_handler (tree);
4634 extern void finish_cleanup (tree, tree);
4641 extern tree begin_compound_stmt (unsigned int);
4643 extern void finish_compound_stmt (tree);
4644 extern tree finish_asm_stmt (int, tree, tree, tree, tree);
4645 extern tree finish_label_stmt (tree);
4646 extern void finish_label_decl (tree);
4647 extern tree finish_parenthesized_expr (tree);
4648 extern tree finish_non_static_data_member (tree, tree, tree);
4649 extern tree begin_stmt_expr (void);
4650 extern tree finish_stmt_expr_expr (tree, tree);
4651 extern tree finish_stmt_expr (tree, bool);
4652 extern tree stmt_expr_value_expr (tree);
4653 extern tree perform_koenig_lookup (tree, tree);
4654 extern tree finish_call_expr (tree, tree, bool, bool,
4656 extern tree finish_increment_expr (tree, enum tree_code);
4657 extern tree finish_this_expr (void);
4658 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
4659 extern tree finish_unary_op_expr (enum tree_code, tree);
4660 extern tree finish_compound_literal (tree, tree);
4661 extern tree finish_fname (tree);
4662 extern void finish_translation_unit (void);
4663 extern tree finish_template_type_parm (tree, tree);
4664 extern tree finish_template_template_parm (tree, tree);
4665 extern tree begin_class_definition (tree, tree);
4666 extern void finish_template_decl (tree);
4667 extern tree finish_template_type (tree, tree, int);
4668 extern tree finish_base_specifier (tree, tree, bool);
4669 extern void finish_member_declaration (tree);
4670 extern void qualified_name_lookup_error (tree, tree, tree,
4672 extern void check_template_keyword (tree);
4673 extern tree finish_id_expression (tree, tree, tree,
4676 bool, bool, bool, bool,
4679 extern tree finish_typeof (tree);
4680 extern tree finish_offsetof (tree);
4681 extern void finish_decl_cleanup (tree, tree);
4682 extern void finish_eh_cleanup (tree);
4683 extern void emit_associated_thunks (tree);
4684 extern void finish_mem_initializers (tree);
4685 extern tree check_template_template_default_arg (tree);
4686 extern void expand_or_defer_fn (tree);
4687 extern void check_accessibility_of_qualified_id (tree, tree, tree);
4688 extern tree finish_qualified_id_expr (tree, tree, bool, bool,
4690 extern void simplify_aggr_init_expr (tree *);
4691 extern void finalize_nrv (tree *, tree, tree);
4692 extern void note_decl_for_pch (tree);
4693 extern tree finish_omp_clauses (tree);
4694 extern void finish_omp_threadprivate (tree);
4695 extern tree begin_omp_structured_block (void);
4696 extern tree finish_omp_structured_block (tree);
4697 extern tree begin_omp_parallel (void);
4698 extern tree finish_omp_parallel (tree, tree);
4699 extern tree begin_omp_task (void);
4700 extern tree finish_omp_task (tree, tree);
4701 extern tree finish_omp_for (location_t, tree, tree,
4702 tree, tree, tree, tree, tree);
4703 extern void finish_omp_atomic (enum tree_code, tree, tree);
4704 extern void finish_omp_barrier (void);
4705 extern void finish_omp_flush (void);
4706 extern void finish_omp_taskwait (void);
4707 extern enum omp_clause_default_kind cxx_omp_predetermined_sharing (tree);
4708 extern tree cxx_omp_clause_default_ctor (tree, tree, tree);
4709 extern tree cxx_omp_clause_copy_ctor (tree, tree, tree);
4710 extern tree cxx_omp_clause_assign_op (tree, tree, tree);
4711 extern tree cxx_omp_clause_dtor (tree, tree);
4712 extern void cxx_omp_finish_clause (tree);
4713 extern bool cxx_omp_privatize_by_reference (const_tree);
4714 extern bool cxx_omp_create_clause_info (tree, tree, bool, bool, bool);
4715 extern tree baselink_for_fns (tree);
4716 extern void finish_static_assert (tree, tree, location_t,
4718 extern tree finish_decltype_type (tree, bool);
4719 extern tree finish_trait_expr (enum cp_trait_kind, tree, tree);
4722 extern void lang_check_failed (const char *, int,
4723 const char *) ATTRIBUTE_NORETURN;
4724 extern tree stabilize_expr (tree, tree *);
4725 extern void stabilize_call (tree, tree *);
4726 extern void stabilize_aggr_init (tree, tree *);
4727 extern bool stabilize_init (tree, tree *);
4728 extern tree add_stmt_to_compound (tree, tree);
4729 extern tree cxx_maybe_build_cleanup (tree);
4730 extern void init_tree (void);
4731 extern int pod_type_p (const_tree);
4732 extern bool class_tmpl_impl_spec_p (const_tree);
4733 extern int zero_init_p (const_tree);
4734 extern tree canonical_type_variant (tree);
4735 extern tree copy_binfo (tree, tree, tree,
4737 extern int member_p (const_tree);
4738 extern cp_lvalue_kind real_lvalue_p (const_tree);
4739 extern bool builtin_valid_in_constant_expr_p (const_tree);
4740 extern tree build_min (enum tree_code, tree, ...);
4741 extern tree build_min_nt (enum tree_code, ...);
4742 extern tree build_min_non_dep (enum tree_code, tree, ...);
4743 extern tree build_min_non_dep_call_list (tree, tree, tree);
4744 extern tree build_cplus_new (tree, tree);
4745 extern tree build_aggr_init_expr (tree, tree);
4746 extern tree get_target_expr (tree);
4747 extern tree build_cplus_array_type (tree, tree);
4748 extern tree build_array_of_n_type (tree, int);
4749 extern tree hash_tree_cons (tree, tree, tree);
4750 extern tree hash_tree_chain (tree, tree);
4751 extern tree build_qualified_name (tree, tree, tree, bool);
4752 extern int is_overloaded_fn (tree);
4753 extern tree get_first_fn (tree);
4754 extern tree ovl_cons (tree, tree);
4755 extern tree build_overload (tree, tree);
4756 extern const char *cxx_printable_name (tree, int);
4757 extern tree build_exception_variant (tree, tree);
4758 extern tree bind_template_template_parm (tree, tree);
4759 extern tree array_type_nelts_total (tree);
4760 extern tree array_type_nelts_top (tree);
4761 extern tree break_out_target_exprs (tree);
4762 extern tree get_type_decl (tree);
4763 extern tree decl_namespace_context (tree);
4764 extern bool decl_anon_ns_mem_p (const_tree);
4765 extern tree lvalue_type (tree);
4766 extern tree error_type (tree);
4767 extern int varargs_function_p (const_tree);
4768 extern bool really_overloaded_fn (tree);
4769 extern bool cp_tree_equal (tree, tree);
4770 extern tree no_linkage_check (tree, bool);
4771 extern void debug_binfo (tree);
4772 extern tree build_dummy_object (tree);
4773 extern tree maybe_dummy_object (tree, tree *);
4774 extern int is_dummy_object (const_tree);
4775 extern const struct attribute_spec cxx_attribute_table[];
4776 extern tree make_ptrmem_cst (tree, tree);
4777 extern tree cp_build_type_attribute_variant (tree, tree);
4778 extern tree cp_build_reference_type (tree, bool);
4779 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
4780 #define cp_build_qualified_type(TYPE, QUALS) \
4781 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
4782 extern special_function_kind special_function_p (const_tree);
4783 extern int count_trees (tree);
4784 extern int char_type_p (tree);
4785 extern void verify_stmt_tree (tree);
4786 extern linkage_kind decl_linkage (tree);
4787 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
4788 void*, struct pointer_set_t*);
4789 #define cp_walk_tree(a,b,c,d) \
4790 walk_tree_1 (a, b, c, d, cp_walk_subtrees)
4791 #define cp_walk_tree_without_duplicates(a,b,c) \
4792 walk_tree_without_duplicates_1 (a, b, c, cp_walk_subtrees)
4793 extern tree fold_if_not_in_template (tree);
4794 extern tree rvalue (tree);
4795 extern tree convert_bitfield_to_declared_type (tree);
4796 extern tree cp_save_expr (tree);
4797 extern bool cast_valid_in_integral_constant_expression_p (tree);
4798 extern bool cxx_type_hash_eq (const_tree, const_tree);
4801 extern int string_conv_p (const_tree, const_tree, int);
4802 extern tree cp_truthvalue_conversion (tree);
4803 extern tree condition_conversion (tree);
4804 extern tree require_complete_type (tree);
4805 extern tree complete_type (tree);
4806 extern tree complete_type_or_else (tree, tree);
4807 extern int type_unknown_p (const_tree);
4808 extern bool comp_except_specs (const_tree, const_tree, bool);
4809 extern bool comptypes (tree, tree, int);
4810 extern bool compparms (const_tree, const_tree);
4811 extern int comp_cv_qualification (const_tree, const_tree);
4812 extern int comp_cv_qual_signature (tree, tree);
4813 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code, bool);
4814 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
4815 extern tree cxx_sizeof_nowarn (tree);
4816 extern tree is_bitfield_expr_with_lowered_type (const_tree);
4817 extern tree unlowered_expr_type (const_tree);
4818 extern tree decay_conversion (tree);
4819 extern tree build_class_member_access_expr (tree, tree, tree, bool,
4821 extern tree finish_class_member_access_expr (tree, tree, bool,
4823 extern tree build_x_indirect_ref (tree, const char *,
4825 extern tree cp_build_indirect_ref (tree, const char *,
4827 extern tree build_array_ref (tree, tree);
4828 extern tree get_member_function_from_ptrfunc (tree *, tree);
4829 extern tree cp_build_function_call (tree, tree, tsubst_flags_t);
4830 extern tree build_x_binary_op (enum tree_code, tree,
4831 enum tree_code, tree,
4832 enum tree_code, bool *,
4834 extern tree build_x_unary_op (enum tree_code, tree,
4836 extern tree cp_build_unary_op (enum tree_code, tree, int,
4838 extern tree unary_complex_lvalue (enum tree_code, tree);
4839 extern tree build_x_conditional_expr (tree, tree, tree,
4841 extern tree build_x_compound_expr_from_list (tree, const char *);
4842 extern tree build_x_compound_expr (tree, tree, tsubst_flags_t);
4843 extern tree build_compound_expr (tree, tree);
4844 extern tree cp_build_compound_expr (tree, tree, tsubst_flags_t);
4845 extern tree build_static_cast (tree, tree, tsubst_flags_t);
4846 extern tree build_reinterpret_cast (tree, tree, tsubst_flags_t);
4847 extern tree build_const_cast (tree, tree, tsubst_flags_t);
4848 extern tree build_c_cast (tree, tree);
4849 extern tree cp_build_c_cast (tree, tree, tsubst_flags_t);
4850 extern tree build_x_modify_expr (tree, enum tree_code, tree,
4852 extern tree cp_build_modify_expr (tree, enum tree_code, tree,
4854 extern tree convert_for_initialization (tree, tree, tree, int,
4855 const char *, tree, int,
4857 extern int comp_ptr_ttypes (tree, tree);
4858 extern bool comp_ptr_ttypes_const (tree, tree);
4859 extern int ptr_reasonably_similar (const_tree, const_tree);
4860 extern tree build_ptrmemfunc (tree, tree, int, bool);
4861 extern int cp_type_quals (const_tree);
4862 extern bool cp_type_readonly (const_tree);
4863 extern bool cp_has_mutable_p (const_tree);
4864 extern bool at_least_as_qualified_p (const_tree, const_tree);
4865 extern void cp_apply_type_quals_to_decl (int, tree);
4866 extern tree build_ptrmemfunc1 (tree, tree, tree);
4867 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
4868 extern tree type_after_usual_arithmetic_conversions (tree, tree);
4869 extern tree composite_pointer_type (tree, tree, tree, tree,
4870 const char*, tsubst_flags_t);
4871 extern tree merge_types (tree, tree);
4872 extern tree check_return_expr (tree, bool *);
4873 extern tree cp_build_binary_op (enum tree_code, tree, tree,
4875 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
4876 extern tree build_ptrmemfunc_access_expr (tree, tree);
4877 extern tree build_address (tree);
4878 extern tree build_nop (tree, tree);
4879 extern tree non_reference (tree);
4880 extern tree lookup_anon_field (tree, tree);
4881 extern bool invalid_nonstatic_memfn_p (const_tree, tsubst_flags_t);
4882 extern tree convert_member_func_to_ptr (tree, tree);
4883 extern tree convert_ptrmem (tree, tree, bool, bool);
4884 extern int lvalue_or_else (const_tree, enum lvalue_use,
4886 extern int lvalue_p (const_tree);
4889 extern void require_complete_eh_spec_types (tree, tree);
4890 extern void cxx_incomplete_type_diagnostic (const_tree, const_tree, int);
4891 #undef cxx_incomplete_type_error
4892 extern void cxx_incomplete_type_error (const_tree, const_tree);
4893 #define cxx_incomplete_type_error(V,T) \
4894 (cxx_incomplete_type_diagnostic ((V), (T), 0))
4895 extern tree error_not_base_type (tree, tree);
4896 extern tree binfo_or_else (tree, tree);
4897 extern void readonly_error (tree, const char *);
4898 extern void complete_type_check_abstract (tree);
4899 extern int abstract_virtuals_error (tree, tree);
4901 extern tree store_init_value (tree, tree);
4902 extern void check_narrowing (tree, tree);
4903 extern tree digest_init (tree, tree);
4904 extern tree build_scoped_ref (tree, tree, tree *);
4905 extern tree build_x_arrow (tree);
4906 extern tree build_m_component_ref (tree, tree);
4907 extern tree build_functional_cast (tree, tree, tsubst_flags_t);
4908 extern tree add_exception_specifier (tree, tree, int);
4909 extern tree merge_exception_specifiers (tree, tree);
4912 extern void init_mangle (void);
4913 extern void mangle_decl (tree);
4914 extern const char *mangle_type_string (tree);
4915 extern tree mangle_typeinfo_for_type (tree);
4916 extern tree mangle_typeinfo_string_for_type (tree);
4917 extern tree mangle_vtbl_for_type (tree);
4918 extern tree mangle_vtt_for_type (tree);
4919 extern tree mangle_ctor_vtbl_for_type (tree, tree);
4920 extern tree mangle_thunk (tree, int, tree, tree);
4921 extern tree mangle_conv_op_name_for_type (tree);
4922 extern tree mangle_guard_variable (tree);
4923 extern tree mangle_ref_init_variable (tree);
4924 extern tree mangle_compound_literal (void);
4927 extern bool cp_dump_tree (void *, tree);
4929 /* In cp/cp-objcp-common.c. */
4931 extern alias_set_type cxx_get_alias_set (tree);
4932 extern bool cxx_warn_unused_global_decl (const_tree);
4933 extern tree cp_expr_size (const_tree);
4934 extern size_t cp_tree_size (enum tree_code);
4935 extern bool cp_var_mod_type_p (tree, tree);
4936 extern void cxx_initialize_diagnostics (struct diagnostic_context *);
4937 extern int cxx_types_compatible_p (tree, tree);
4938 extern void init_shadowed_var_for_decl (void);
4939 extern tree cxx_staticp (tree);
4941 /* in cp-gimplify.c */
4942 extern int cp_gimplify_expr (tree *, gimple_seq *,
4944 extern void cp_genericize (tree);
4948 /* In order for the format checking to accept the C++ front end
4949 diagnostic framework extensions, you must include this file before
4950 toplev.h, not after. We override the definition of GCC_DIAG_STYLE
4952 #undef GCC_DIAG_STYLE
4953 #define GCC_DIAG_STYLE __gcc_cxxdiag__
4954 #if GCC_VERSION >= 4001
4955 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
4957 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
4959 extern void cp_cpp_error (cpp_reader *, int,
4960 const char *, va_list *)
4961 ATTRIBUTE_GCC_CXXDIAG(3,0);
4963 #endif /* ! GCC_CP_TREE_H */