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 Free Software Foundation, Inc.
4 Contributed by Michael Tiemann (tiemann@cygnus.com)
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
29 #include "splay-tree.h"
33 #include "name-lookup.h"
34 struct diagnostic_context;
36 /* Usage of TREE_LANG_FLAG_?:
37 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
38 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
39 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
40 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
41 TREE_INDIRECT_USING (in NAMESPACE_DECL).
42 ICS_USER_FLAG (in _CONV)
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 DECL_PRETTY_FUNCTION_P (in VAR_DECL)
47 KOENIG_LOOKUP_P (in CALL_EXPR)
48 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
49 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
50 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
51 1: IDENTIFIER_VIRTUAL_P.
52 TI_PENDING_TEMPLATE_FLAG.
53 TEMPLATE_PARMS_FOR_INLINE.
54 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
55 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
56 TYPE_BASE_CONVS_MAY_REQUIRE_CODE_P (in _TYPE).
57 ICS_ELLIPSIS_FLAG (in _CONV)
58 DECL_INITIALIZED_P (in VAR_DECL)
59 2: IDENTIFIER_OPNAME_P.
60 TYPE_POLYMORPHIC_P (in _TYPE)
61 ICS_THIS_FLAG (in _CONV)
62 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
63 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
64 3: TYPE_USES_VIRTUAL_BASECLASSES (in a class TYPE).
65 (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
66 ICS_BAD_FLAG (in _CONV)
67 FN_TRY_BLOCK_P (in TRY_BLOCK)
68 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
69 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
70 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
72 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
73 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
74 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
75 6: For future expansion
77 Usage of TYPE_LANG_FLAG_?:
79 1: TYPE_HAS_CONSTRUCTOR.
80 2: TYPE_HAS_DESTRUCTOR.
82 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
84 6: TYPE_DEPENDENT_P_VALID
86 Usage of DECL_LANG_FLAG_?:
87 0: DECL_ERROR_REPORTED (in VAR_DECL).
88 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
89 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
90 DECL_MUTABLE_P (in FIELD_DECL)
91 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
92 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
93 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
94 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
96 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
97 DECL_VAR_MARKED_P (in a VAR_DECL)
98 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
99 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
100 5: DECL_INTERFACE_KNOWN.
101 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
102 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
103 DECL_THUNK_P (in a member FUNCTION_DECL)
105 Usage of language-independent fields in a language-dependent manner:
108 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
109 forth as a substitute for the mark bits provided in `lang_type'.
110 At present, only the six low-order bits are used.
113 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO.
114 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS
117 For a binfo, this is a TREE_LIST. There is an entry for each
118 virtual function declared either in BINFO or its direct and
119 indirect primary bases.
121 The BV_DELTA of each node gives the amount by which to adjust the
122 `this' pointer when calling the function. If the method is an
123 overridden version of a base class method, then it is assumed
124 that, prior to adjustment, the this pointer points to an object
127 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
128 index of the vcall offset for this entry.
130 The BV_FN is the declaration for the virtual function itself.
133 This is an expression with POINTER_TYPE that gives the value
134 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
135 to extract the VAR_DECL for the complete vtable.
138 For a VAR_DECL this is DECL_ANON_UNION_ELEMS.
141 This field is NULL for a non-virtual function. For a virtual
142 function, it is eventually set to an INTEGER_CST indicating the
143 index in the vtable at which this function can be found. When
144 a virtual function is declared, but before it is known what
145 function is overridden, this field is the error_mark_node.
147 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
148 the virtual function this one overrides, and whose TREE_CHAIN is
149 the old DECL_VINDEX. */
151 /* Language-specific tree checkers. */
153 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
154 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
156 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
157 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
159 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
160 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
162 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
163 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
166 /* Language-dependent contents of an identifier. */
168 struct lang_identifier GTY(())
170 struct c_common_identifier c_common;
171 cxx_binding *namespace_bindings;
172 cxx_binding *bindings;
173 tree class_template_info;
177 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
178 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
179 and C_RID_YYCODE is the token number wanted by Yacc. */
181 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
183 #define LANG_IDENTIFIER_CAST(NODE) \
184 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
186 typedef struct template_parm_index_s GTY(())
188 struct tree_common common;
191 HOST_WIDE_INT orig_level;
193 } template_parm_index;
195 struct ptrmem_cst GTY(())
197 struct tree_common common;
198 /* This isn't used, but the middle-end expects all constants to have
203 typedef struct ptrmem_cst * ptrmem_cst_t;
205 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
206 namespace_binding ((NODE), global_namespace)
207 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
208 set_namespace_binding ((NODE), global_namespace, (VAL))
209 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
210 namespace_binding ((NODE), current_namespace)
211 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
212 set_namespace_binding ((NODE), current_namespace, (VAL))
214 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
216 #define BIND_EXPR_TRY_BLOCK(NODE) \
217 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
219 /* Used to mark the block around the member initializers and cleanups. */
220 #define BIND_EXPR_BODY_BLOCK(NODE) \
221 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
223 #define STATEMENT_LIST_NO_SCOPE(NODE) \
224 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
225 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
226 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
228 /* Marks the result of a statement expression. */
229 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
230 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
232 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
234 #define same_type_p(TYPE1, TYPE2) \
235 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
237 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
238 top-level qualifiers. */
239 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
240 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
242 /* Nonzero if we are presently building a statement tree, rather
243 than expanding each statement as we encounter it. */
244 #define building_stmt_tree() (cur_stmt_list != NULL_TREE)
246 /* Returns nonzero iff NODE is a declaration for the global function
248 #define DECL_MAIN_P(NODE) \
249 (DECL_EXTERN_C_FUNCTION_P (NODE) \
250 && DECL_NAME (NODE) != NULL_TREE \
251 && MAIN_NAME_P (DECL_NAME (NODE)))
253 /* The overloaded FUNCTION_DECL. */
254 #define OVL_FUNCTION(NODE) \
255 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
256 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
257 /* Polymorphic access to FUNCTION and CHAIN. */
258 #define OVL_CURRENT(NODE) \
259 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
260 #define OVL_NEXT(NODE) \
261 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
262 /* If set, this was imported in a using declaration.
263 This is not to confuse with being used somewhere, which
264 is not important for this node. */
265 #define OVL_USED(NODE) TREE_USED (NODE)
267 struct tree_overload GTY(())
269 struct tree_common common;
273 /* Returns true iff NODE is a BASELINK. */
274 #define BASELINK_P(NODE) \
275 (TREE_CODE (NODE) == BASELINK)
276 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
277 #define BASELINK_BINFO(NODE) \
278 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
279 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
280 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
281 #define BASELINK_FUNCTIONS(NODE) \
282 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
283 /* The BINFO in which the search for the functions indicated by this baselink
284 began. This base is used to determine the accessibility of functions
285 selected by overload resolution. */
286 #define BASELINK_ACCESS_BINFO(NODE) \
287 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
288 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
289 to which the conversion should occur. This value is important if
290 the BASELINK_FUNCTIONS include a template conversion operator --
291 the BASELINK_OPTYPE can be used to determine what type the user
293 #define BASELINK_OPTYPE(NODE) \
294 (TREE_CHAIN (BASELINK_CHECK (NODE)))
296 struct tree_baselink GTY(())
298 struct tree_common common;
304 /* The different kinds of ids that we ecounter. */
306 typedef enum cp_id_kind
308 /* Not an id at all. */
310 /* An unqualified-id that is not a template-id. */
311 CP_ID_KIND_UNQUALIFIED,
312 /* An unqualified-id that is a dependent name. */
313 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
314 /* An unqualified template-id. */
315 CP_ID_KIND_TEMPLATE_ID,
316 /* A qualified-id. */
320 /* Macros for access to language-specific slots in an identifier. */
322 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
323 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
324 #define IDENTIFIER_TEMPLATE(NODE) \
325 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
327 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
328 identifier. It's PREVIOUS is the next outermost binding. Each
329 VALUE field is a DECL for the associated declaration. Thus,
330 name lookup consists simply of pulling off the node at the front
331 of the list (modulo oddities for looking up the names of types,
332 and such.) You can use SCOPE field to determine the scope
333 that bound the name. */
334 #define IDENTIFIER_BINDING(NODE) \
335 (LANG_IDENTIFIER_CAST (NODE)->bindings)
337 /* TREE_TYPE only indicates on local and class scope the current
338 type. For namespace scope, the presence of a type in any namespace
339 is indicated with global_type_node, and the real type behind must
340 be found through lookup. */
341 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
342 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
343 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
344 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
346 #define IDENTIFIER_LABEL_VALUE(NODE) \
347 (LANG_IDENTIFIER_CAST (NODE)->label_value)
348 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
349 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
351 /* Nonzero if this identifier is used as a virtual function name somewhere
352 (optimizes searches). */
353 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
355 /* Nonzero if this identifier is the prefix for a mangled C++ operator
357 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
359 /* Nonzero if this identifier is the name of a type-conversion
361 #define IDENTIFIER_TYPENAME_P(NODE) \
362 TREE_LANG_FLAG_4 (NODE)
364 /* Nonzero if this identifier is the name of a constructor or
366 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
367 TREE_LANG_FLAG_3 (NODE)
369 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
370 #define C_TYPE_FIELDS_READONLY(TYPE) \
371 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
373 /* The tokens stored in the default argument. */
375 #define DEFARG_TOKENS(NODE) \
376 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
378 struct tree_default_arg GTY (())
380 struct tree_common common;
381 struct cp_token_cache *tokens;
384 enum cp_tree_node_structure_enum {
397 /* The resulting tree type. */
398 union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"),
399 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
401 union tree_node GTY ((tag ("TS_CP_GENERIC"),
402 desc ("tree_node_structure (&%h)"))) generic;
403 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
404 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
405 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
406 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
407 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
408 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
415 CPTI_JAVA_SHORT_TYPE,
418 CPTI_JAVA_FLOAT_TYPE,
419 CPTI_JAVA_DOUBLE_TYPE,
421 CPTI_JAVA_BOOLEAN_TYPE,
424 CPTI_VTABLE_ENTRY_TYPE,
426 CPTI_VTABLE_INDEX_TYPE,
436 CPTI_CLASS_DESC_TYPE,
437 CPTI_SI_CLASS_DESC_TYPE,
438 CPTI_VMI_CLASS_DESC_TYPE,
449 CPTI_TYPE_INFO_PTR_TYPE,
450 CPTI_TYPE_INFO_REF_TYPE,
452 CPTI_GLOBAL_DELETE_FNDECL,
455 CPTI_CTOR_IDENTIFIER,
456 CPTI_COMPLETE_CTOR_IDENTIFIER,
457 CPTI_BASE_CTOR_IDENTIFIER,
458 CPTI_DTOR_IDENTIFIER,
459 CPTI_COMPLETE_DTOR_IDENTIFIER,
460 CPTI_BASE_DTOR_IDENTIFIER,
461 CPTI_DELETING_DTOR_IDENTIFIER,
462 CPTI_DELTA_IDENTIFIER,
463 CPTI_IN_CHARGE_IDENTIFIER,
464 CPTI_VTT_PARM_IDENTIFIER,
465 CPTI_NELTS_IDENTIFIER,
466 CPTI_THIS_IDENTIFIER,
468 CPTI_VPTR_IDENTIFIER,
472 CPTI_LANG_NAME_CPLUSPLUS,
475 CPTI_EMPTY_EXCEPT_SPEC,
479 CPTI_CALL_UNEXPECTED,
489 extern GTY(()) tree cp_global_trees[CPTI_MAX];
491 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
492 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
493 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
494 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
495 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
496 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
497 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
498 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
500 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
501 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
502 /* The type used to represent an offset by which to adjust the `this'
503 pointer in pointer-to-member types. */
504 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
505 /* The type used to represent an index into the vtable. */
506 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
508 #define ti_desc_type_node cp_global_trees[CPTI_TI_DESC_TYPE]
509 #define bltn_desc_type_node cp_global_trees[CPTI_BLTN_DESC_TYPE]
510 #define ptr_desc_type_node cp_global_trees[CPTI_PTR_DESC_TYPE]
511 #define ary_desc_type_node cp_global_trees[CPTI_ARY_DESC_TYPE]
512 #define func_desc_type_node cp_global_trees[CPTI_FUNC_DESC_TYPE]
513 #define enum_desc_type_node cp_global_trees[CPTI_ENUM_DESC_TYPE]
514 #define class_desc_type_node cp_global_trees[CPTI_CLASS_DESC_TYPE]
515 #define si_class_desc_type_node cp_global_trees[CPTI_SI_CLASS_DESC_TYPE]
516 #define vmi_class_desc_type_node cp_global_trees[CPTI_VMI_CLASS_DESC_TYPE]
517 #define ptm_desc_type_node cp_global_trees[CPTI_PTM_DESC_TYPE]
518 #define base_desc_type_node cp_global_trees[CPTI_BASE_DESC_TYPE]
520 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
521 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
522 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
523 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
524 #define std_node cp_global_trees[CPTI_STD]
525 #define abi_node cp_global_trees[CPTI_ABI]
526 #define type_info_type_node cp_global_trees[CPTI_TYPE_INFO_TYPE]
527 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
528 #define type_info_ref_type cp_global_trees[CPTI_TYPE_INFO_REF_TYPE]
529 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
530 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
531 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
533 /* We cache these tree nodes so as to call get_identifier less
536 /* The name of a constructor that takes an in-charge parameter to
537 decide whether or not to construct virtual base classes. */
538 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
539 /* The name of a constructor that constructs virtual base classes. */
540 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
541 /* The name of a constructor that does not construct virtual base classes. */
542 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
543 /* The name of a destructor that takes an in-charge parameter to
544 decide whether or not to destroy virtual base classes and whether
545 or not to delete the object. */
546 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
547 /* The name of a destructor that destroys virtual base classes. */
548 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
549 /* The name of a destructor that does not destroy virtual base
551 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
552 /* The name of a destructor that destroys virtual base classes, and
553 then deletes the entire object. */
554 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
555 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
556 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
557 /* The name of the parameter that contains a pointer to the VTT to use
558 for this subobject constructor or destructor. */
559 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
560 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
561 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
562 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
563 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
564 /* The name of the std namespace. */
565 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
566 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
567 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
568 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
570 /* Exception specifier used for throw(). */
571 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
573 /* The node for `__null'. */
574 #define null_node cp_global_trees[CPTI_NULL]
576 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
577 #define jclass_node cp_global_trees[CPTI_JCLASS]
579 /* The declaration for `std::terminate'. */
580 #define terminate_node cp_global_trees[CPTI_TERMINATE]
582 /* The declaration for "__cxa_call_unexpected". */
583 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
585 /* A pointer to `std::atexit'. */
586 #define atexit_node cp_global_trees[CPTI_ATEXIT]
588 /* A pointer to `__dso_handle'. */
589 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
591 /* The declaration of the dynamic_cast runtime. */
592 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
594 /* The type of a destructor. */
595 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
597 /* The type of the vtt parameter passed to subobject constructors and
599 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
601 /* A TREE_LIST of the dynamic classes whose vtables may have to be
602 emitted in this translation unit. */
604 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
606 /* Node to indicate default access. This must be distinct from the
607 access nodes in tree.h. */
609 #define access_default_node null_node
613 struct saved_scope GTY(())
615 VEC(cxx_saved_binding) *old_bindings;
620 tree access_specifier;
622 varray_type lang_base;
625 struct cp_binding_level *x_previous_class_level;
628 HOST_WIDE_INT x_processing_template_decl;
629 int x_processing_specialization;
630 bool x_processing_explicit_instantiation;
631 int need_pop_function_context;
633 struct stmt_tree_s x_stmt_tree;
635 struct cp_binding_level *class_bindings;
636 struct cp_binding_level *bindings;
638 struct saved_scope *prev;
641 /* The current open namespace. */
643 #define current_namespace scope_chain->old_namespace
645 /* The stack for namespaces of current declarations. */
647 #define decl_namespace_list scope_chain->decl_ns_list
649 /* IDENTIFIER_NODE: name of current class */
651 #define current_class_name scope_chain->class_name
653 /* _TYPE: the type of the current class */
655 #define current_class_type scope_chain->class_type
657 /* When parsing a class definition, the access specifier most recently
658 given by the user, or, if no access specifier was given, the
659 default value appropriate for the kind of class (i.e., struct,
662 #define current_access_specifier scope_chain->access_specifier
664 /* Pointer to the top of the language name stack. */
666 #define current_lang_base scope_chain->lang_base
667 #define current_lang_name scope_chain->lang_name
669 /* Parsing a function declarator leaves a list of parameter names
670 or a chain or parameter decls here. */
672 #define current_template_parms scope_chain->template_parms
674 #define processing_template_decl scope_chain->x_processing_template_decl
675 #define processing_specialization scope_chain->x_processing_specialization
676 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
678 /* The cached class binding level, from the most recently exited
679 class, or NULL if none. */
681 #define previous_class_level scope_chain->x_previous_class_level
683 /* A list of private types mentioned, for deferred access checking. */
685 extern GTY(()) struct saved_scope *scope_chain;
687 /* Global state pertinent to the current function. */
689 struct language_function GTY(())
691 struct c_language_function base;
694 tree x_current_class_ptr;
695 tree x_current_class_ref;
696 tree x_eh_spec_block;
697 tree x_in_charge_parm;
703 int returns_abnormally;
704 int in_function_try_handler;
705 int in_base_initializer;
707 /* True if this function can throw an exception. */
708 BOOL_BITFIELD can_throw : 1;
710 struct named_label_use_list *x_named_label_uses;
711 struct named_label_list *x_named_labels;
712 struct cp_binding_level *bindings;
713 varray_type x_local_names;
716 /* The current C++-specific per-function global variables. */
718 #define cp_function_chain (cfun->language)
720 /* In a destructor, the point at which all derived class destroying
721 has been done, just before any base class destroying will be done. */
723 #define dtor_label cp_function_chain->x_dtor_label
725 /* When we're processing a member function, current_class_ptr is the
726 PARM_DECL for the `this' pointer. The current_class_ref is an
727 expression for `*this'. */
729 #define current_class_ptr \
730 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
731 #define current_class_ref \
732 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
734 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
737 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
739 /* The `__in_chrg' parameter for the current function. Only used for
740 constructors and destructors. */
742 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
744 /* The `__vtt_parm' parameter for the current function. Only used for
745 constructors and destructors. */
747 #define current_vtt_parm cp_function_chain->x_vtt_parm
749 /* Set to 0 at beginning of a function definition, set to 1 if
750 a return statement that specifies a return value is seen. */
752 #define current_function_returns_value cp_function_chain->returns_value
754 /* Set to 0 at beginning of a function definition, set to 1 if
755 a return statement with no argument is seen. */
757 #define current_function_returns_null cp_function_chain->returns_null
759 /* Set to 0 at beginning of a function definition, set to 1 if
760 a call to a noreturn function is seen. */
762 #define current_function_returns_abnormally \
763 cp_function_chain->returns_abnormally
765 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
766 #define in_base_initializer cp_function_chain->in_base_initializer
768 #define in_function_try_handler cp_function_chain->in_function_try_handler
770 /* Expression always returned from function, or error_mark_node
771 otherwise, for use by the automatic named return value optimization. */
773 #define current_function_return_value \
774 (cp_function_chain->x_return_value)
776 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
777 new" or "operator delete". */
778 #define NEW_DELETE_OPNAME_P(NAME) \
779 ((NAME) == ansi_opname (NEW_EXPR) \
780 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
781 || (NAME) == ansi_opname (DELETE_EXPR) \
782 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
784 #define ansi_opname(CODE) \
785 (operator_name_info[(int) (CODE)].identifier)
786 #define ansi_assopname(CODE) \
787 (assignment_operator_name_info[(int) (CODE)].identifier)
789 /* True if NODE is an erroneous expression. */
791 #define error_operand_p(NODE) \
792 ((NODE) == error_mark_node \
793 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
795 /* INTERFACE_ONLY nonzero means that we are in an "interface"
796 section of the compiler. INTERFACE_UNKNOWN nonzero means
797 we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
798 is zero and INTERFACE_ONLY is zero, it means that we are responsible
799 for exporting definitions that others might need. */
800 extern int interface_only, interface_unknown;
802 /* C++ language-specific tree codes. */
803 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
804 enum cplus_tree_code {
805 CP_DUMMY_TREE_CODE = LAST_C_TREE_CODE,
806 #include "cp-tree.def"
811 #define cp_stmt_codes \
812 CTOR_INITIALIZER, TRY_BLOCK, HANDLER, \
813 EH_SPEC_BLOCK, USING_STMT, TAG_DEFN, \
814 IF_STMT, CLEANUP_STMT
816 enum languages { lang_c, lang_cplusplus, lang_java };
818 /* Macros to make error reporting functions' lives easier. */
819 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
820 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
821 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
822 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
823 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
825 /* Nonzero if NODE has no name for linkage purposes. */
826 #define TYPE_ANONYMOUS_P(NODE) \
827 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
829 /* The _DECL for this _TYPE. */
830 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
832 /* Nonzero if T is a class (or struct or union) type. Also nonzero
833 for template type parameters, typename types, and instantiated
834 template template parameters. Despite its name,
835 this macro has nothing to do with the definition of aggregate given
836 in the standard. Think of this macro as MAYBE_CLASS_TYPE_P. */
837 #define IS_AGGR_TYPE(T) \
838 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
839 || TREE_CODE (T) == TYPENAME_TYPE \
840 || TREE_CODE (T) == TYPEOF_TYPE \
841 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
842 || TYPE_LANG_FLAG_5 (T))
844 /* Set IS_AGGR_TYPE for T to VAL. T must be a class, struct, or
846 #define SET_IS_AGGR_TYPE(T, VAL) \
847 (TYPE_LANG_FLAG_5 (T) = (VAL))
849 /* Nonzero if T is a class type. Zero for template type parameters,
850 typename types, and so forth. */
851 #define CLASS_TYPE_P(T) \
852 (IS_AGGR_TYPE_CODE (TREE_CODE (T)) && IS_AGGR_TYPE (T))
854 #define IS_AGGR_TYPE_CODE(T) ((T) == RECORD_TYPE || (T) == UNION_TYPE)
855 #define TAGGED_TYPE_P(T) \
856 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
857 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
859 /* True if this a "Java" type, defined in 'extern "Java"'. */
860 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
862 /* True if this type is dependent. This predicate is only valid if
863 TYPE_DEPENDENT_P_VALID is true. */
864 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
866 /* True if dependent_type_p has been called for this type, with the
867 result that TYPE_DEPENDENT_P is valid. */
868 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
870 /* Nonzero if this type is const-qualified. */
871 #define CP_TYPE_CONST_P(NODE) \
872 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
874 /* Nonzero if this type is volatile-qualified. */
875 #define CP_TYPE_VOLATILE_P(NODE) \
876 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
878 /* Nonzero if this type is restrict-qualified. */
879 #define CP_TYPE_RESTRICT_P(NODE) \
880 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
882 /* Nonzero if this type is const-qualified, but not
883 volatile-qualified. Other qualifiers are ignored. This macro is
884 used to test whether or not it is OK to bind an rvalue to a
886 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
887 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
890 #define FUNCTION_ARG_CHAIN(NODE) \
891 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
893 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
894 which refers to a user-written parameter. */
895 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
896 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
898 /* Similarly, but for DECL_ARGUMENTS. */
899 #define FUNCTION_FIRST_USER_PARM(NODE) \
900 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
902 #define PROMOTES_TO_AGGR_TYPE(NODE, CODE) \
903 (((CODE) == TREE_CODE (NODE) \
904 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
905 || IS_AGGR_TYPE (NODE))
907 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
909 #define DERIVED_FROM_P(PARENT, TYPE) \
910 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
911 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
913 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
914 (lookup_base ((TYPE), (PARENT), ba_ignore | ba_quiet, NULL) != NULL_TREE)
915 /* Nonzero iff TYPE is accessible in the current scope and uniquely
916 derived from PARENT. */
917 #define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
918 (lookup_base ((TYPE), (PARENT), ba_check | ba_quiet, NULL) != NULL_TREE)
919 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
920 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
921 (lookup_base ((TYPE), (PARENT), ba_not_special | ba_quiet, NULL) \
924 /* This is a few header flags for 'struct lang_type'. Actually,
925 all but the first are used only for lang_type_class; they
926 are put in this structure to save space. */
927 struct lang_type_header GTY(())
929 BOOL_BITFIELD is_lang_type_class : 1;
931 BOOL_BITFIELD has_type_conversion : 1;
932 BOOL_BITFIELD has_init_ref : 1;
933 BOOL_BITFIELD has_default_ctor : 1;
934 BOOL_BITFIELD uses_multiple_inheritance : 1;
935 BOOL_BITFIELD const_needs_init : 1;
936 BOOL_BITFIELD ref_needs_init : 1;
937 BOOL_BITFIELD has_const_assign_ref : 1;
940 /* This structure provides additional information above and beyond
941 what is provide in the ordinary tree_type. In the past, we used it
942 for the types of class types, template parameters types, typename
943 types, and so forth. However, there can be many (tens to hundreds
944 of thousands) of template parameter types in a compilation, and
945 there's no need for this additional information in that case.
946 Therefore, we now use this data structure only for class types.
948 In the past, it was thought that there would be relatively few
949 class types. However, in the presence of heavy use of templates,
950 many (i.e., thousands) of classes can easily be generated.
951 Therefore, we should endeavor to keep the size of this structure to
953 struct lang_type_class GTY(())
955 struct lang_type_header h;
959 unsigned has_mutable : 1;
960 unsigned com_interface : 1;
961 unsigned non_pod_class : 1;
962 unsigned nearly_empty_p : 1;
963 unsigned user_align : 1;
964 unsigned has_assign_ref : 1;
965 unsigned has_new : 1;
966 unsigned has_array_new : 1;
968 unsigned gets_delete : 2;
969 unsigned interface_only : 1;
970 unsigned interface_unknown : 1;
971 unsigned contains_empty_class_p : 1;
972 unsigned anon_aggr : 1;
973 unsigned non_zero_init : 1;
974 unsigned empty_p : 1;
977 unsigned vec_new_uses_cookie : 1;
978 unsigned declared_class : 1;
980 unsigned being_defined : 1;
981 unsigned redefined : 1;
982 unsigned debug_requested : 1;
983 unsigned use_template : 2;
984 unsigned fields_readonly : 1;
985 unsigned ptrmemfunc_flag : 1;
986 unsigned was_anonymous : 1;
988 unsigned lazy_default_ctor : 1;
989 unsigned lazy_copy_ctor : 1;
990 unsigned lazy_assignment_op : 1;
991 unsigned has_const_init_ref : 1;
992 unsigned has_complex_init_ref : 1;
993 unsigned has_complex_assign_ref : 1;
994 unsigned non_aggregate : 1;
995 unsigned java_interface : 1;
997 /* When adding a flag here, consider whether or not it ought to
998 apply to a template instance if it applies to the template. If
999 so, make sure to copy it in instantiate_class_template! */
1001 /* There are some bits left to fill out a 32-bit word. Keep track
1002 of this by updating the size of this bitfield whenever you add or
1011 binding_table nested_udts;
1014 tree friend_classes;
1015 VEC (tree) * GTY((reorder ("resort_type_method_vec"))) methods;
1019 tree befriending_classes;
1022 struct lang_type_ptrmem GTY(())
1024 struct lang_type_header h;
1028 struct lang_type GTY(())
1032 struct lang_type_header GTY((skip (""))) h;
1033 struct lang_type_class GTY((tag ("1"))) c;
1034 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1035 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1038 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1040 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1041 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1042 if (! lt->u.h.is_lang_type_class) \
1043 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1046 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1047 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1048 if (lt->u.h.is_lang_type_class) \
1049 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1054 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1055 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1057 #endif /* ENABLE_TREE_CHECKING */
1059 /* Indicates whether or not (and how) a template was expanded for this class.
1060 0=no information yet/non-template class
1061 1=implicit template instantiation
1062 2=explicit template specialization
1063 3=explicit template instantiation */
1064 #define CLASSTYPE_USE_TEMPLATE(NODE) \
1065 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
1067 /* Fields used for storing information before the class is defined.
1068 After the class is defined, these fields hold other information. */
1070 /* List of friends which were defined inline in this class definition. */
1071 #define CLASSTYPE_INLINE_FRIENDS(NODE) CLASSTYPE_PURE_VIRTUALS (NODE)
1073 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1074 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1075 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1077 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1078 storage to indicate how many array elements are in use. */
1079 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1080 (CLASS_TYPE_P (NODE) \
1081 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1083 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1084 itself to other types. */
1085 #define TYPE_HAS_CONVERSION(NODE) \
1086 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1088 /* Nonzero means that NODE (a class type) has a default constructor --
1089 but that it has not yet been declared. */
1090 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
1091 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
1093 /* Nonzero means that NODE (a class type) has a copy constructor --
1094 but that it has not yet been declared. */
1095 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
1096 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
1098 /* Nonzero means that NODE (a class type) has an assignment operator
1099 -- but that it has not yet been declared. */
1100 #define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \
1101 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op)
1103 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1104 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1106 /* True iff the class type NODE has an "operator =" whose parameter
1107 has a parameter of type "const X&". */
1108 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1109 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1111 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1112 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1113 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1114 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1116 /* Nonzero if this class defines an overloaded operator new. (An
1117 operator new [] doesn't count.) */
1118 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1119 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1121 /* Nonzero if this class defines an overloaded operator new[]. */
1122 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1123 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1125 /* Nonzero means that this type is being defined. I.e., the left brace
1126 starting the definition of this type has been seen. */
1127 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1128 /* Nonzero means that this type has been redefined. In this case, if
1129 convenient, don't reprocess any methods that appear in its redefinition. */
1130 #define TYPE_REDEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->redefined)
1132 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1133 multiple inheritance. If this is 0 for the root of a type
1134 hierarchy, then we can use more efficient search techniques. */
1135 #define TYPE_USES_MULTIPLE_INHERITANCE(NODE) \
1136 (LANG_TYPE_CLASS_CHECK (NODE)->h.uses_multiple_inheritance)
1138 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1139 virtual base classes. If this is 0 for the root of a type
1140 hierarchy, then we can use more efficient search techniques. */
1141 #define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3 (NODE))
1143 /* The member function with which the vtable will be emitted:
1144 the first noninline non-pure-virtual member function. NULL_TREE
1145 if there is no key function or if this is a class template */
1146 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1148 /* Vector member functions defined in this class. Each element is
1149 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1150 functions with the same name end up in the same slot. The first
1151 two elements are for constructors, and destructors, respectively.
1152 All template conversion operators to innermost template dependent
1153 types are overloaded on the next slot, if they exist. Note, the
1154 names for these functions will not all be the same. The
1155 non-template conversion operators & templated conversions to
1156 non-innermost template types are next, followed by ordinary member
1157 functions. There may be empty entries at the end of the vector.
1158 The conversion operators are unsorted. The ordinary member
1159 functions are sorted, once the class is complete. */
1160 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1162 /* For class templates, this is a TREE_LIST of all member data,
1163 functions, types, and friends in the order of declaration.
1164 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1165 and the RECORD_TYPE for the class template otherwise. */
1166 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1168 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1169 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1171 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1172 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1174 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1175 operators can appear. */
1176 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1178 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1179 are the constructors that take an in-charge parameter. */
1180 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1181 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1183 /* A FUNCTION_DECL for the destructor for NODE. These are the
1184 destructors that take an in-charge parameter. */
1185 #define CLASSTYPE_DESTRUCTORS(NODE) \
1186 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT))
1188 /* Mark bits for depth-first and breath-first searches. */
1190 /* Get the value of the Nth mark bit. */
1191 #define CLASSTYPE_MARKED_N(NODE, N) \
1192 (((CLASS_TYPE_P (NODE) ? LANG_TYPE_CLASS_CHECK (NODE)->marks \
1193 : ((unsigned) TYPE_ALIAS_SET (NODE))) & (1 << (N))) != 0)
1195 /* Set the Nth mark bit. */
1196 #define SET_CLASSTYPE_MARKED_N(NODE, N) \
1197 (CLASS_TYPE_P (NODE) \
1198 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks |= (1 << (N))) \
1199 : (void) (TYPE_ALIAS_SET (NODE) |= (1 << (N))))
1201 /* Clear the Nth mark bit. */
1202 #define CLEAR_CLASSTYPE_MARKED_N(NODE, N) \
1203 (CLASS_TYPE_P (NODE) \
1204 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks &= ~(1 << (N))) \
1205 : (void) (TYPE_ALIAS_SET (NODE) &= ~(1 << (N))))
1207 /* Get the value of the mark bits. */
1208 #define CLASSTYPE_MARKED(NODE) CLASSTYPE_MARKED_N (NODE, 0)
1209 #define CLASSTYPE_MARKED2(NODE) CLASSTYPE_MARKED_N (NODE, 1)
1210 #define CLASSTYPE_MARKED3(NODE) CLASSTYPE_MARKED_N (NODE, 2)
1211 #define CLASSTYPE_MARKED4(NODE) CLASSTYPE_MARKED_N (NODE, 3)
1212 #define CLASSTYPE_MARKED5(NODE) CLASSTYPE_MARKED_N (NODE, 4)
1213 #define CLASSTYPE_MARKED6(NODE) CLASSTYPE_MARKED_N (NODE, 5)
1215 /* Macros to modify the above flags */
1216 #define SET_CLASSTYPE_MARKED(NODE) SET_CLASSTYPE_MARKED_N (NODE, 0)
1217 #define CLEAR_CLASSTYPE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 0)
1218 #define SET_CLASSTYPE_MARKED2(NODE) SET_CLASSTYPE_MARKED_N (NODE, 1)
1219 #define CLEAR_CLASSTYPE_MARKED2(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 1)
1220 #define SET_CLASSTYPE_MARKED3(NODE) SET_CLASSTYPE_MARKED_N (NODE, 2)
1221 #define CLEAR_CLASSTYPE_MARKED3(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 2)
1222 #define SET_CLASSTYPE_MARKED4(NODE) SET_CLASSTYPE_MARKED_N (NODE, 3)
1223 #define CLEAR_CLASSTYPE_MARKED4(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 3)
1224 #define SET_CLASSTYPE_MARKED5(NODE) SET_CLASSTYPE_MARKED_N (NODE, 4)
1225 #define CLEAR_CLASSTYPE_MARKED5(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 4)
1226 #define SET_CLASSTYPE_MARKED6(NODE) SET_CLASSTYPE_MARKED_N (NODE, 5)
1227 #define CLEAR_CLASSTYPE_MARKED6(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 5)
1229 /* A dictionary of the nested user-defined-types (class-types, or enums)
1230 found within this class. This table includes nested member class
1232 #define CLASSTYPE_NESTED_UTDS(NODE) \
1233 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1235 /* Nonzero if NODE has a primary base class, i.e., a base class with
1236 which it shares the virtual function table pointer. */
1237 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1238 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1240 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1241 the base class which contains the virtual function table pointer
1243 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1244 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1246 /* A vector of BINFOs for the direct and indirect virtual base classes
1247 that this type uses in a post-order depth-first left-to-right
1248 order. (In other words, these bases appear in the order that they
1249 should be initialized.) */
1250 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1252 /* The type corresponding to NODE when NODE is used as a base class,
1253 i.e., NODE without virtual base classes. */
1255 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1257 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1259 #define IS_FAKE_BASE_TYPE(NODE) \
1260 (TREE_CODE (NODE) == RECORD_TYPE \
1261 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1262 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1264 /* These are the size and alignment of the type without its virtual
1265 base classes, for when we use this type as a base itself. */
1266 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1267 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1268 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1269 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1271 /* The alignment of NODE, without its virtual bases, in bytes. */
1272 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1273 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1275 /* True if this a Java interface type, declared with
1276 '__attribute__ ((java_interface))'. */
1277 #define TYPE_JAVA_INTERFACE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1279 /* A cons list of virtual functions which cannot be inherited by
1280 derived classes. When deriving from this type, the derived
1281 class must provide its own definition for each of these functions. */
1282 #define CLASSTYPE_PURE_VIRTUALS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1284 /* Nonzero means that this type has an X() constructor. */
1285 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1286 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1288 /* Nonzero means that this type contains a mutable member. */
1289 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1290 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1292 /* Nonzero means that this class type is a non-POD class. */
1293 #define CLASSTYPE_NON_POD_P(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1295 /* Nonzero means that this class contains pod types whose default
1296 initialization is not a zero initialization (namely, pointers to
1298 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1299 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1301 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1302 #define CLASSTYPE_EMPTY_P(NODE) \
1303 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1305 /* Nonzero if this class is "nearly empty", i.e., contains only a
1306 virtual function table pointer. */
1307 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1308 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1310 /* Nonzero if this class contains an empty subobject. */
1311 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1312 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1314 /* A list of class types of which this type is a friend. The
1315 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1316 case of a template friend. */
1317 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1318 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1320 /* A list of the classes which grant friendship to this class. */
1321 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1322 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1324 /* Say whether this node was declared as a "class" or a "struct". */
1325 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1326 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1328 /* Nonzero if this class has const members
1329 which have no specified initialization. */
1330 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1331 (TYPE_LANG_SPECIFIC (NODE) \
1332 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1333 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1334 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1336 /* Nonzero if this class has ref members
1337 which have no specified initialization. */
1338 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1339 (TYPE_LANG_SPECIFIC (NODE) \
1340 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1341 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1342 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1344 /* Nonzero if this class is included from a header file which employs
1345 `#pragma interface', and it is not included in its implementation file. */
1346 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1347 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1349 /* True if we have already determined whether or not vtables, VTTs,
1350 typeinfo, and other similar per-class data should be emitted in
1351 this translation unit. This flag does not indicate whether or not
1352 these items should be emitted; it only indicates that we know one
1353 way or the other. */
1354 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1355 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1356 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1357 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1358 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1360 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1361 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1362 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1363 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1364 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1365 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1367 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1368 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1369 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1371 /* Additional macros for inheritance information. */
1373 /* The BINFO_INHERITANCE_CHAIN is used opposite to the description in
1374 gcc/tree.h. In particular if D is non-virtually derived from B
1375 then the BINFO for B (in D) will have a BINFO_INHERITANCE_CHAIN
1376 pointing to D. If D is virtually derived, its
1377 BINFO_INHERITANCE_CHAIN will point to the most derived binfo. In
1378 tree.h, this pointer is described as pointing in other
1379 direction. The binfos of virtual bases are shared. */
1381 /* Nonzero means that this class is on a path leading to a new vtable. */
1382 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1384 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1385 have this flag set. */
1386 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1388 /* Any subobject that needs a new vtable must have a vptr and must not
1389 be a non-virtual primary base (since it would then use the vtable from a
1390 derived class and never become non-primary.) */
1391 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1392 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1393 my_friendly_assert (!BINFO_PRIMARY_P (B) \
1394 || BINFO_VIRTUAL_P (B), 20000517), \
1395 my_friendly_assert (TYPE_VFIELD (BINFO_TYPE (B)), 20000517))
1397 /* Nonzero if this BINFO is a primary base class. */
1399 #define BINFO_PRIMARY_P(NODE) \
1400 (BINFO_PRIMARY_BASE_OF (NODE) != NULL_TREE)
1402 /* Nonzero if this binfo is for a dependent base - one that should not
1404 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1406 /* Nonzero if this binfo has lost its primary base binfo (because that
1407 is a nearly-empty virtual base that has been taken by some other
1408 base in the complete hierarchy. */
1409 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1411 /* Nonzero if this binfo is an indirect primary base, i.e. a virtual
1412 base that is a primary base of some of other class in the
1414 #define BINFO_INDIRECT_PRIMARY_P(NODE) BINFO_FLAG_5 (NODE)
1416 /* Used by various search routines. */
1417 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1419 /* A TREE_LIST of the vcall indices associated with the class NODE.
1420 The TREE_PURPOSE of each node is a FUNCTION_DECL for a virtual
1421 function. The TREE_VALUE is the index into the virtual table where
1422 the vcall offset for that function is stored, when NODE is a
1424 #define CLASSTYPE_VCALL_INDICES(NODE) \
1425 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1427 /* The various vtables for the class NODE. The primary vtable will be
1428 first, followed by the construction vtables and VTT, if any. */
1429 #define CLASSTYPE_VTABLES(NODE) \
1430 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1432 /* The std::type_info variable representing this class, or NULL if no
1433 such variable has been created. This field is only set for the
1434 TYPE_MAIN_VARIANT of the class. */
1435 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1436 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1438 /* Accessor macros for the vfield slots in structures. */
1440 /* Get the BINFO that introduced this vtable into the hierarchy (will
1441 be NULL for those created at this level, or from a primary
1443 #define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
1445 /* Get the TYPE that introduced this vtable into the hierarchy (always
1447 #define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
1449 /* Accessor macros for the BINFO_VIRTUALS list. */
1451 /* The number of bytes by which to adjust the `this' pointer when
1452 calling this virtual function. Subtract this value from the this
1453 pointer. Always non-NULL, might be constant zero though. */
1454 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1456 /* If non-NULL, the vtable index at which to find the vcall offset
1457 when calling this virtual function. Add the value at that vtable
1458 index to the this pointer. */
1459 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1461 /* The function to call. */
1462 #define BV_FN(NODE) (TREE_VALUE (NODE))
1465 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1466 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1467 will be NULL_TREE to indicate a throw specification of `()', or
1468 no exceptions allowed. */
1469 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
1471 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1472 #define TYPE_NOTHROW_P(NODE) \
1473 (TYPE_RAISES_EXCEPTIONS (NODE) \
1474 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1476 /* The binding level associated with the namespace. */
1477 #define NAMESPACE_LEVEL(NODE) \
1478 (DECL_LANG_SPECIFIC (NODE)->decl_flags.u.level)
1481 /* If a DECL has DECL_LANG_SPECIFIC, it is either a lang_decl_flags or
1482 a lang_decl (which has lang_decl_flags as its initial prefix).
1483 This macro is nonzero for tree nodes whose DECL_LANG_SPECIFIC is
1484 the full lang_decl, and not just lang_decl_flags. */
1485 #define CAN_HAVE_FULL_LANG_DECL_P(NODE) \
1486 (!(TREE_CODE (NODE) == VAR_DECL \
1487 || TREE_CODE (NODE) == CONST_DECL \
1488 || TREE_CODE (NODE) == FIELD_DECL \
1489 || TREE_CODE (NODE) == USING_DECL))
1491 struct lang_decl_flags GTY(())
1493 ENUM_BITFIELD(languages) language : 8;
1495 unsigned operator_attr : 1;
1496 unsigned constructor_attr : 1;
1497 unsigned destructor_attr : 1;
1498 unsigned friend_attr : 1;
1499 unsigned static_function : 1;
1500 unsigned pure_virtual : 1;
1501 unsigned has_in_charge_parm_p : 1;
1502 unsigned has_vtt_parm_p : 1;
1504 unsigned deferred : 1;
1505 unsigned use_template : 2;
1506 unsigned nonconverting : 1;
1507 unsigned not_really_extern : 1;
1508 unsigned needs_final_overrider : 1;
1509 unsigned initialized_in_class : 1;
1510 unsigned assignment_operator_p : 1;
1512 unsigned global_ctor_p : 1;
1513 unsigned global_dtor_p : 1;
1514 unsigned anticipated_p : 1;
1515 unsigned template_conv_p : 1;
1518 unsigned can_be_full : 1;
1519 unsigned this_thunk_p : 1;
1522 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1524 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1525 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1526 DECL_TEMPLATE_INFO. */
1527 tree GTY ((tag ("0"))) template_info;
1529 /* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
1530 struct cp_binding_level * GTY ((tag ("1"))) level;
1531 } GTY ((desc ("%1.u1sel"))) u;
1533 union lang_decl_u2 {
1534 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1535 THUNK_VIRTUAL_OFFSET.
1536 Otherwise this is DECL_ACCESS. */
1537 tree GTY ((tag ("0"))) access;
1539 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1540 int GTY ((tag ("1"))) discriminator;
1541 } GTY ((desc ("%1.u2sel"))) u2;
1544 /* sorted_fields is sorted based on a pointer, so we need to be able
1545 to resort it if pointers get rearranged. */
1547 struct lang_decl GTY(())
1549 struct lang_decl_flags decl_flags;
1553 struct full_lang_decl
1555 /* For a non-thunk function decl, this is a tree list of
1556 friendly classes. For a thunk function decl, it is the
1557 thunked to function decl. */
1558 tree befriending_classes;
1560 /* For a non-virtual FUNCTION_DECL, this is
1561 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1562 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1563 this pointer and result pointer adjusting thunks are
1564 chained here. This pointer thunks to return pointer thunks
1565 will be chained on the return pointer thunk. */
1568 /* In a FUNCTION_DECL, this is DECL_CLONED_FUNCTION. */
1569 tree cloned_function;
1571 /* In a FUNCTION_DECL for which THUNK_P holds, this is
1572 THUNK_FIXED_OFFSET. */
1573 HOST_WIDE_INT fixed_offset;
1575 /* In an overloaded operator, this is the value of
1576 DECL_OVERLOADED_OPERATOR_P. */
1577 enum tree_code operator_code;
1580 unsigned pending_inline_p : 1;
1584 struct sorted_fields_type * GTY ((tag ("0"), reorder ("resort_sorted_fields")))
1586 struct cp_token_cache * GTY ((tag ("2"))) pending_inline_info;
1587 struct language_function * GTY ((tag ("1")))
1588 saved_language_function;
1589 } GTY ((desc ("%1.u3sel + %1.pending_inline_p"))) u;
1590 } GTY ((tag ("1"))) f;
1591 } GTY ((desc ("%1.decl_flags.can_be_full"))) u;
1594 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1596 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1597 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1598 if (lt->decl_flags.u2sel != TF) \
1599 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1600 <->decl_flags.u2; })
1604 #define LANG_DECL_U2_CHECK(NODE, TF) \
1605 (&DECL_LANG_SPECIFIC (NODE)->decl_flags.u2)
1607 #endif /* ENABLE_TREE_CHECKING */
1609 /* DECL_NEEDED_P holds of a declaration when we need to emit its
1610 definition. This is true when the back-end tells us that
1611 the symbol has been referenced in the generated code. If, however,
1612 we are not generating code, then it is also true when a symbol has
1613 just been used somewhere, even if it's not really needed. We need
1614 anything that isn't comdat, but we don't know for sure whether or
1615 not something is comdat until end-of-file. */
1616 #define DECL_NEEDED_P(DECL) \
1617 ((at_eof && TREE_PUBLIC (DECL) && !DECL_COMDAT (DECL)) \
1618 || (DECL_ASSEMBLER_NAME_SET_P (DECL) \
1619 && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL))) \
1620 || (((flag_syntax_only || flag_unit_at_a_time) && TREE_USED (DECL))))
1622 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1623 declaration. Some entities (like a member function in a local
1624 class, or a local variable) do not have linkage at all, and this
1625 macro should not be used in those cases.
1627 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1628 created by language-independent code, and has C linkage. Most
1629 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1630 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1631 #define DECL_LANGUAGE(NODE) \
1632 (DECL_LANG_SPECIFIC (NODE) \
1633 ? DECL_LANG_SPECIFIC (NODE)->decl_flags.language \
1634 : (TREE_CODE (NODE) == FUNCTION_DECL \
1635 ? lang_c : lang_cplusplus))
1637 /* Set the language linkage for NODE to LANGUAGE. */
1638 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1639 (DECL_LANG_SPECIFIC (NODE)->decl_flags.language = (LANGUAGE))
1641 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1642 #define DECL_CONSTRUCTOR_P(NODE) \
1643 (DECL_LANG_SPECIFIC (NODE)->decl_flags.constructor_attr)
1645 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1647 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1648 (DECL_CONSTRUCTOR_P (NODE) \
1649 && DECL_NAME (NODE) == complete_ctor_identifier)
1651 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1653 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1654 (DECL_CONSTRUCTOR_P (NODE) \
1655 && DECL_NAME (NODE) == base_ctor_identifier)
1657 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1658 specialized in-charge constructor or the specialized not-in-charge
1660 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1661 (DECL_CONSTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1663 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1664 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1665 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1667 /* Nonzero if NODE is a destructor. */
1668 #define DECL_DESTRUCTOR_P(NODE) \
1669 (DECL_LANG_SPECIFIC (NODE)->decl_flags.destructor_attr)
1671 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1672 specialized in-charge constructor, in-charge deleting constructor,
1673 or the the base destructor. */
1674 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1675 (DECL_DESTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1677 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1679 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1680 (DECL_DESTRUCTOR_P (NODE) \
1681 && DECL_NAME (NODE) == complete_dtor_identifier)
1683 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1685 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1686 (DECL_DESTRUCTOR_P (NODE) \
1687 && DECL_NAME (NODE) == base_dtor_identifier)
1689 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1690 object that deletes the object after it has been destroyed. */
1691 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1692 (DECL_DESTRUCTOR_P (NODE) \
1693 && DECL_NAME (NODE) == deleting_dtor_identifier)
1695 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1697 #define DECL_CLONED_FUNCTION_P(NODE) \
1698 ((TREE_CODE (NODE) == FUNCTION_DECL \
1699 || TREE_CODE (NODE) == TEMPLATE_DECL) \
1700 && DECL_LANG_SPECIFIC (NODE) \
1701 && DECL_CLONED_FUNCTION (NODE) != NULL_TREE)
1703 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1705 #define DECL_CLONED_FUNCTION(NODE) \
1706 (DECL_LANG_SPECIFIC (NODE)->u.f.cloned_function)
1708 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1709 #define DECL_DISCRIMINATOR_P(NODE) \
1710 (TREE_CODE (NODE) == VAR_DECL \
1711 && DECL_FUNCTION_SCOPE_P (NODE))
1713 /* Discriminator for name mangling. */
1714 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1716 /* Nonzero if the VTT parm has been added to NODE. */
1717 #define DECL_HAS_VTT_PARM_P(NODE) \
1718 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_vtt_parm_p)
1720 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1722 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1723 (TYPE_USES_VIRTUAL_BASECLASSES (DECL_CONTEXT (NODE)) \
1724 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1725 || DECL_BASE_DESTRUCTOR_P (NODE)))
1727 /* Nonzero if NODE is a user-defined conversion operator. */
1728 #define DECL_CONV_FN_P(NODE) \
1729 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1731 /* If FN is a conversion operator, the type to which it converts.
1732 Otherwise, NULL_TREE. */
1733 #define DECL_CONV_FN_TYPE(FN) \
1734 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
1736 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
1737 conversion operator to a type dependent on the innermost template
1739 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
1740 (DECL_LANG_SPECIFIC (NODE)->decl_flags.template_conv_p)
1742 /* Set the overloaded operator code for NODE to CODE. */
1743 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
1744 (DECL_LANG_SPECIFIC (NODE)->u.f.operator_code = (CODE))
1746 /* If NODE is an overloaded operator, then this returns the TREE_CODE
1747 associated with the overloaded operator.
1748 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
1749 whether or not NODE is an assignment operator. If NODE is not an
1750 overloaded operator, ERROR_MARK is returned. Since the numerical
1751 value of ERROR_MARK is zero, this macro can be used as a predicate
1752 to test whether or not NODE is an overloaded operator. */
1753 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
1754 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
1755 ? DECL_LANG_SPECIFIC (NODE)->u.f.operator_code : ERROR_MARK)
1757 /* Nonzero if NODE is an assignment operator. */
1758 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
1759 (DECL_LANG_SPECIFIC (NODE)->decl_flags.assignment_operator_p)
1761 /* For FUNCTION_DECLs: nonzero means that this function is a
1762 constructor or a destructor with an extra in-charge parameter to
1763 control whether or not virtual bases are constructed. */
1764 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
1765 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p)
1767 /* Nonzero if NODE is an overloaded `operator delete[]' function. */
1768 #define DECL_ARRAY_DELETE_OPERATOR_P(NODE) \
1769 (DECL_OVERLOADED_OPERATOR_P (NODE) == VEC_DELETE_EXPR)
1771 /* Nonzero for _DECL means that this decl appears in (or will appear
1772 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1773 detecting circularity in case members are multiply defined. In the
1774 case of a VAR_DECL, it is also used to determine how program storage
1775 should be allocated. */
1776 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
1778 /* Nonzero for a VAR_DECL means that the variable's initialization has
1780 #define DECL_INITIALIZED_P(NODE) \
1781 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
1783 /* Nonzero for a VAR_DECL that was initialized with a
1784 constant-expression. */
1785 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
1786 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
1788 /* Nonzero if the DECL was initialized in the class definition itself,
1789 rather than outside the class. This is used for both static member
1790 VAR_DECLS, and FUNTION_DECLS that are defined in the class. */
1791 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
1792 (DECL_LANG_SPECIFIC (DECL)->decl_flags.initialized_in_class)
1794 /* Nonzero for FUNCTION_DECL means that this decl is just a
1795 friend declaration, and should not be added to the list of
1796 member functions for this class. */
1797 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.friend_attr)
1799 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
1800 #define DECL_BEFRIENDING_CLASSES(NODE) \
1801 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
1803 /* Nonzero for FUNCTION_DECL means that this decl is a static
1805 #define DECL_STATIC_FUNCTION_P(NODE) \
1806 (DECL_LANG_SPECIFIC (NODE)->decl_flags.static_function)
1808 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1810 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1811 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1813 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1814 (static or non-static). */
1815 #define DECL_FUNCTION_MEMBER_P(NODE) \
1816 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1818 /* Nonzero for FUNCTION_DECL means that this member function
1819 has `this' as const X *const. */
1820 #define DECL_CONST_MEMFUNC_P(NODE) \
1821 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1822 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
1823 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1825 /* Nonzero for FUNCTION_DECL means that this member function
1826 has `this' as volatile X *const. */
1827 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
1828 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1829 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
1830 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1832 /* Nonzero for a DECL means that this member is a non-static member. */
1833 #define DECL_NONSTATIC_MEMBER_P(NODE) \
1834 ((TREE_CODE (NODE) == FUNCTION_DECL \
1835 && DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE)) \
1836 || TREE_CODE (NODE) == FIELD_DECL)
1838 /* Nonzero for _DECL means that this member object type
1840 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
1842 /* Nonzero for _DECL means that this constructor is a non-converting
1844 #define DECL_NONCONVERTING_P(NODE) \
1845 (DECL_LANG_SPECIFIC (NODE)->decl_flags.nonconverting)
1847 /* Nonzero for FUNCTION_DECL means that this member function is a pure
1848 virtual function. */
1849 #define DECL_PURE_VIRTUAL_P(NODE) \
1850 (DECL_LANG_SPECIFIC (NODE)->decl_flags.pure_virtual)
1852 /* Nonzero for FUNCTION_DECL means that this member function
1853 must be overridden by derived classes. */
1854 #define DECL_NEEDS_FINAL_OVERRIDER_P(NODE) \
1855 (DECL_LANG_SPECIFIC (NODE)->decl_flags.needs_final_overrider)
1857 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
1858 invalid overrider for a function from a base class. Once we have
1859 complained about an invalid overrider we avoid complaining about it
1861 #define DECL_INVALID_OVERRIDER_P(NODE) \
1862 (DECL_LANG_FLAG_4 (NODE))
1864 /* The thunks associated with NODE, a FUNCTION_DECL. */
1865 #define DECL_THUNKS(NODE) \
1866 (DECL_LANG_SPECIFIC (NODE)->u.f.context)
1868 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
1869 #define DECL_THUNK_P(NODE) \
1870 (TREE_CODE (NODE) == FUNCTION_DECL \
1871 && DECL_LANG_FLAG_7 (NODE))
1873 /* Nonzero if NODE is a this pointer adjusting thunk. */
1874 #define DECL_THIS_THUNK_P(NODE) \
1875 (DECL_THUNK_P (NODE) && DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1877 /* Nonzero if NODE is a result pointer adjusting thunk. */
1878 #define DECL_RESULT_THUNK_P(NODE) \
1879 (DECL_THUNK_P (NODE) && !DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1881 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
1882 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
1883 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
1885 /* Nonzero if NODE is `extern "C"'. */
1886 #define DECL_EXTERN_C_P(NODE) \
1887 (DECL_LANGUAGE (NODE) == lang_c)
1889 /* Nonzero if NODE is an `extern "C"' function. */
1890 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
1891 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
1893 /* Set DECL_THUNK_P for node. */
1894 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
1895 (DECL_LANG_FLAG_7 (NODE) = 1, \
1896 DECL_LANG_SPECIFIC (NODE)->u.f.u3sel = 1, \
1897 DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p = (THIS_ADJUSTING))
1899 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
1900 template function. */
1901 #define DECL_PRETTY_FUNCTION_P(NODE) \
1902 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
1904 /* The _TYPE context in which this _DECL appears. This field holds the
1905 class where a virtual function instance is actually defined. */
1906 #define DECL_CLASS_CONTEXT(NODE) \
1907 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
1909 /* For a non-member friend function, the class (if any) in which this
1910 friend was defined. For example, given:
1912 struct S { friend void f (); };
1914 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
1915 #define DECL_FRIEND_CONTEXT(NODE) \
1916 ((DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
1917 ? DECL_LANG_SPECIFIC (NODE)->u.f.context \
1920 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
1921 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
1922 (DECL_LANG_SPECIFIC (NODE)->u.f.context = (CONTEXT))
1924 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
1925 #define CP_DECL_CONTEXT(NODE) \
1926 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
1927 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
1929 /* 1 iff NODE has namespace scope, including the global namespace. */
1930 #define DECL_NAMESPACE_SCOPE_P(NODE) \
1931 (!DECL_TEMPLATE_PARM_P (NODE) \
1932 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
1934 /* 1 iff NODE is a class member. */
1935 #define DECL_CLASS_SCOPE_P(NODE) \
1936 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
1938 /* 1 iff NODE is function-local. */
1939 #define DECL_FUNCTION_SCOPE_P(NODE) \
1940 (DECL_CONTEXT (NODE) \
1941 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
1943 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
1944 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
1946 /* 1 iff NODE is function-local, but for types. */
1947 #define LOCAL_CLASS_P(NODE) \
1948 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
1950 /* For a NAMESPACE_DECL: the list of using namespace directives
1951 The PURPOSE is the used namespace, the value is the namespace
1952 that is the common ancestor. */
1953 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
1955 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
1956 of a namespace, to record the transitive closure of using namespace. */
1957 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
1959 /* In a NAMESPACE_DECL, the list of namespaces which have associated
1960 themselves with this one. */
1961 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
1962 (NAMESPACE_DECL_CHECK (NODE)->decl.saved_tree)
1964 /* In a NAMESPACE_DECL, points to the original namespace if this is
1965 a namespace alias. */
1966 #define DECL_NAMESPACE_ALIAS(NODE) \
1967 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
1968 #define ORIGINAL_NAMESPACE(NODE) \
1969 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
1971 /* Nonzero if NODE is the std namespace. */
1972 #define DECL_NAMESPACE_STD_P(NODE) \
1973 (TREE_CODE (NODE) == NAMESPACE_DECL \
1974 && CP_DECL_CONTEXT (NODE) == global_namespace \
1975 && DECL_NAME (NODE) == std_identifier)
1977 /* In a non-local VAR_DECL with static storage duration, this is the
1978 initialization priority. If this value is zero, the NODE will be
1979 initialized at the DEFAULT_INIT_PRIORITY. */
1980 #define DECL_INIT_PRIORITY(NODE) (VAR_DECL_CHECK (NODE)->decl.u2.i)
1982 /* In a TREE_LIST concatenating using directives, indicate indirect
1984 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->common.lang_flag_0)
1986 /* In a VAR_DECL for a variable declared in a for statement,
1987 this is the shadowed (local) variable. */
1988 #define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT_FLD(VAR_DECL_CHECK (NODE))
1990 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
1991 the class definition. We have saved away the text of the function,
1992 but have not yet processed it. */
1993 #define DECL_PENDING_INLINE_P(NODE) \
1994 (DECL_LANG_SPECIFIC (NODE)->u.f.pending_inline_p)
1996 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
1998 #define DECL_PENDING_INLINE_INFO(NODE) \
1999 (DECL_LANG_SPECIFIC (NODE)->u.f.u.pending_inline_info)
2001 /* For a TYPE_DECL: if this structure has many fields, we'll sort them
2002 and put them into a TREE_VEC. */
2003 #define DECL_SORTED_FIELDS(NODE) \
2004 (DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.f.u.sorted_fields)
2006 /* True if on the deferred_fns (see decl2.c) list. */
2007 #define DECL_DEFERRED_FN(DECL) \
2008 (DECL_LANG_SPECIFIC (DECL)->decl_flags.deferred)
2010 /* For a VAR_DECL, FUNCTION_DECL, TYPE_DECL or TEMPLATE_DECL:
2011 template-specific information. */
2012 #define DECL_TEMPLATE_INFO(NODE) \
2013 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2014 ->decl_flags.u.template_info)
2016 /* For a VAR_DECL, indicates that the variable has been processed.
2017 This flag is set and unset throughout the code; it is always
2018 used for a temporary purpose. */
2019 #define DECL_VAR_MARKED_P(NODE) \
2020 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2022 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2023 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2024 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2026 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2027 not be a primary template, it may be declared within the scope of a
2028 primary template and the enumeration constants may depend on
2029 non-type template parameters. */
2030 #define ENUM_TEMPLATE_INFO(NODE) \
2031 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2033 /* Template information for a template template parameter. */
2034 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2035 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2038 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2039 #define TYPE_TEMPLATE_INFO(NODE) \
2040 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2041 ? ENUM_TEMPLATE_INFO (NODE) : \
2042 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2043 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2044 (TYPE_LANG_SPECIFIC (NODE) \
2045 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2048 /* Set the template information for an ENUMERAL_, RECORD_, or
2049 UNION_TYPE to VAL. */
2050 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2051 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2052 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2053 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2055 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2056 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2057 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2059 /* We use TREE_VECs to hold template arguments. If there is only one
2060 level of template arguments, then the TREE_VEC contains the
2061 arguments directly. If there is more than one level of template
2062 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2063 containing the template arguments for a single level. The first
2064 entry in the outer TREE_VEC is the outermost level of template
2065 parameters; the last is the innermost.
2067 It is incorrect to ever form a template argument vector containing
2068 only one level of arguments, but which is a TREE_VEC containing as
2069 its only entry the TREE_VEC for that level. */
2071 /* Nonzero if the template arguments is actually a vector of vectors,
2072 rather than just a vector. */
2073 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2074 (NODE && TREE_VEC_ELT (NODE, 0) \
2075 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2077 /* The depth of a template argument vector. When called directly by
2078 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2079 template arguments. In fact, we may even see NULL_TREE if there
2080 are no template arguments. In both of those cases, there is only
2081 one level of template arguments. */
2082 #define TMPL_ARGS_DEPTH(NODE) \
2083 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2085 /* The LEVELth level of the template ARGS. The outermost level of
2086 args is level 1, not level 0. */
2087 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2088 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2089 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2091 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2092 not work with single-level argument vectors. */
2093 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2094 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2096 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2097 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2098 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2100 /* Set the IDXth element in the LEVELth level of ARGS to VAL. This
2101 macro does not work with single-level argument vectors. */
2102 #define SET_TMPL_ARG(ARGS, LEVEL, IDX, VAL) \
2103 (TREE_VEC_ELT (TREE_VEC_ELT ((ARGS), (LEVEL) - 1), (IDX)) = (VAL))
2105 /* Given a single level of template arguments in NODE, return the
2106 number of arguments. */
2107 #define NUM_TMPL_ARGS(NODE) \
2108 (TREE_VEC_LENGTH (NODE))
2110 /* Returns the innermost level of template arguments in ARGS. */
2111 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2112 (get_innermost_template_args ((NODE), 1))
2114 /* The number of levels of template parameters given by NODE. */
2115 #define TMPL_PARMS_DEPTH(NODE) \
2116 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2118 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2119 TEMPLATE_DECL will be the immediate parent, not the most general
2120 template. For example, in:
2122 template <class T> struct S { template <class U> void f(U); }
2124 the FUNCTION_DECL for S<int>::f<double> will have, as its
2125 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2127 As a special case, for a member friend template of a template
2128 class, this value will not be a TEMPLATE_DECL, but rather an
2129 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2130 any explicit template arguments provided. For example, in:
2132 template <class T> struct S { friend void f<int>(int, double); }
2134 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2135 DECL_TI_ARGS will be {int}. */
2136 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2138 /* The template arguments used to obtain this decl from the most
2139 general form of DECL_TI_TEMPLATE. For the example given for
2140 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2141 are always the full set of arguments required to instantiate this
2142 declaration from the most general template specialized here. */
2143 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2144 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2145 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2146 #define ENUM_TI_TEMPLATE(NODE) \
2147 TI_TEMPLATE (ENUM_TEMPLATE_INFO (NODE))
2148 #define ENUM_TI_ARGS(NODE) \
2149 TI_ARGS (ENUM_TEMPLATE_INFO (NODE))
2151 /* For a template instantiation TYPE, returns the TYPE corresponding
2152 to the primary template. Otherwise returns TYPE itself. */
2153 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2154 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2155 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2156 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2159 /* Like DECL_TI_TEMPLATE, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2160 #define TYPE_TI_TEMPLATE(NODE) \
2161 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2163 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2164 #define TYPE_TI_ARGS(NODE) \
2165 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2167 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2169 /* Nonzero if the NODE corresponds to the template parameters for a
2170 member template, whose inline definition is being processed after
2171 the class definition is complete. */
2172 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2174 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2175 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2176 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
2177 ->u.f.u.saved_language_function)
2179 #define NEW_EXPR_USE_GLOBAL(NODE) \
2180 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
2181 #define DELETE_EXPR_USE_GLOBAL(NODE) \
2182 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
2183 #define DELETE_EXPR_USE_VEC(NODE) \
2184 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
2186 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2187 resolve to a function call. */
2188 #define COMPOUND_EXPR_OVERLOADED(NODE) \
2189 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
2191 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2192 should be performed at instantiation time. */
2193 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
2195 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2196 constructor call, rather than an ordinary function call. */
2197 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2198 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2200 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2201 TEMPLATE_DECL. This macro determines whether or not a given class
2202 type is really a template type, as opposed to an instantiation or
2203 specialization of one. */
2204 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2205 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2206 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2207 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2209 /* The name used by the user to name the typename type. Typically,
2210 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2211 corresponding TYPE_DECL. However, this may also be a
2212 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2213 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values
2215 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2216 using a twos-complement negated operand. */
2217 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2219 /* Nonzero in any kind of _TYPE where conversions to base-classes may
2220 involve pointer arithmetic. If this is zero, then converting to
2221 a base-class never requires changing the value of the pointer. */
2222 #define TYPE_BASE_CONVS_MAY_REQUIRE_CODE_P(NODE) (TREE_LANG_FLAG_1 (NODE))
2226 A class that declares or inherits a virtual function is called a
2227 polymorphic class. */
2228 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2230 /* Nonzero if this class has a virtual function table pointer. */
2231 #define TYPE_CONTAINS_VPTR_P(NODE) \
2232 (TYPE_POLYMORPHIC_P (NODE) \
2233 || TYPE_USES_VIRTUAL_BASECLASSES (NODE))
2235 /* This flag is true of a local VAR_DECL if it was declared in a for
2236 statement, but we are no longer in the scope of the for. */
2237 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2239 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2240 if we already emitted a warning about using it. */
2241 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2243 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2244 scope) declared in a local scope. */
2245 #define DECL_LOCAL_FUNCTION_P(NODE) \
2246 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2248 /* Nonzero if NODE is a FUNCTION_DECL for a built-in function, and we have
2249 not yet seen a prototype for that function. */
2250 #define DECL_ANTICIPATED(NODE) \
2251 (DECL_LANG_SPECIFIC (DECL_CHECK (NODE))->decl_flags.anticipated_p)
2253 /* Record whether a typedef for type `int' was actually `signed int'. */
2254 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2256 /* Returns nonzero if DECL has external linkage, as specified by the
2257 language standard. (This predicate may hold even when the
2258 corresponding entity is not actually given external linkage in the
2259 object file; see decl_linkage for details.) */
2260 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2261 (decl_linkage (DECL) == lk_external)
2263 #define INTEGRAL_CODE_P(CODE) \
2264 ((CODE) == INTEGER_TYPE || (CODE) == ENUMERAL_TYPE || (CODE) == BOOLEAN_TYPE)
2266 /* [basic.fundamental]
2268 Types bool, char, wchar_t, and the signed and unsigned integer types
2269 are collectively called integral types.
2271 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2272 types as well, which is incorrect in C++. */
2273 #define CP_INTEGRAL_TYPE_P(TYPE) \
2274 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2275 || TREE_CODE (TYPE) == INTEGER_TYPE)
2277 /* Returns true if TYPE is an integral or enumeration name. */
2278 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2279 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == ENUMERAL_TYPE)
2281 /* [basic.fundamental]
2283 Integral and floating types are collectively called arithmetic
2285 #define ARITHMETIC_TYPE_P(TYPE) \
2286 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == REAL_TYPE)
2290 Arithmetic types, enumeration types, pointer types, and
2291 pointer-to-member types, are collectively called scalar types. */
2292 #define SCALAR_TYPE_P(TYPE) \
2293 (ARITHMETIC_TYPE_P (TYPE) \
2294 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2295 || TYPE_PTR_P (TYPE) \
2296 || TYPE_PTR_TO_MEMBER_P (TYPE))
2300 An aggregate is an array or a class with no user-declared
2301 constructors, no private or protected non-static data members, no
2302 base classes, and no virtual functions.
2304 As an extension, we also treat vectors as aggregates. */
2305 #define CP_AGGREGATE_TYPE_P(TYPE) \
2306 (TREE_CODE (TYPE) == ARRAY_TYPE \
2307 || TREE_CODE (TYPE) == VECTOR_TYPE \
2308 || (CLASS_TYPE_P (TYPE) \
2309 && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2311 /* Nonzero for a class type means that the class type has a
2312 user-declared constructor. */
2313 #define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2315 /* When appearing in an INDIRECT_REF, it means that the tree structure
2316 underneath is actually a call to a constructor. This is needed
2317 when the constructor must initialize local storage (which can
2318 be automatically destroyed), rather than allowing it to allocate
2319 space from the heap.
2321 When appearing in a SAVE_EXPR, it means that underneath
2322 is a call to a constructor.
2324 When appearing in a CONSTRUCTOR, the expression is a
2327 When appearing in a FIELD_DECL, it means that this field
2328 has been duly initialized in its constructor. */
2329 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2331 /* True if NODE is a brace-enclosed initializer. */
2332 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
2333 (TREE_CODE (NODE) == CONSTRUCTOR && !TREE_TYPE (NODE))
2335 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2336 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE \
2337 && ! TREE_HAS_CONSTRUCTOR (NODE))
2339 /* Nonzero for _TYPE means that the _TYPE defines a destructor. */
2340 #define TYPE_HAS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_2 (NODE))
2342 /* Nonzero means that an object of this type can not be initialized using
2343 an initializer list. */
2344 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2345 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2346 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
2347 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
2349 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
2350 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
2351 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
2353 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
2355 A destructor is trivial if it is an implicitly declared
2358 - all of the direct base classes of its class have trivial
2361 - for all of the non-static data members of its class that are
2362 of class type (or array thereof), each such class has a
2363 trivial destructor. */
2364 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
2365 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
2367 /* Nonzero for _TYPE node means that this type does not have a trivial
2368 destructor. Therefore, destroying an object of this type will
2369 involve a call to a destructor. This can apply to objects of
2370 ARRAY_TYPE is the type of the elements needs a destructor. */
2371 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
2372 (TYPE_LANG_FLAG_4 (NODE))
2374 /* Nonzero for class type means that copy initialization of this type can use
2376 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
2377 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
2379 /* Nonzero for class type means that assignment of this type can use
2381 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
2382 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
2384 /* Returns true if NODE is a pointer-to-data-member. */
2385 #define TYPE_PTRMEM_P(NODE) \
2386 (TREE_CODE (NODE) == OFFSET_TYPE)
2387 #define TYPE_PTR_P(NODE) \
2388 (TREE_CODE (NODE) == POINTER_TYPE)
2389 #define TYPE_PTROB_P(NODE) \
2390 (TYPE_PTR_P (NODE) \
2391 && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE \
2392 && TREE_CODE (TREE_TYPE (NODE)) != METHOD_TYPE \
2393 && TREE_CODE (TREE_TYPE (NODE)) != VOID_TYPE)
2394 #define TYPE_PTROBV_P(NODE) \
2395 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE)
2396 #define TYPE_PTRFN_P(NODE) \
2397 (TREE_CODE (NODE) == POINTER_TYPE \
2398 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2399 #define TYPE_REFFN_P(NODE) \
2400 (TREE_CODE (NODE) == REFERENCE_TYPE \
2401 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2403 /* Nonzero for _TYPE node means that this type is a pointer to member
2405 #define TYPE_PTRMEMFUNC_P(NODE) \
2406 (TREE_CODE (NODE) == RECORD_TYPE \
2407 && TYPE_LANG_SPECIFIC (NODE) \
2408 && TYPE_PTRMEMFUNC_FLAG (NODE))
2410 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
2411 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
2413 /* Returns true if NODE is a pointer-to-member. */
2414 #define TYPE_PTR_TO_MEMBER_P(NODE) \
2415 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
2417 /* Indicates when overload resolution may resolve to a pointer to
2418 member function. [expr.unary.op]/3 */
2419 #define PTRMEM_OK_P(NODE) \
2420 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF))
2422 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
2423 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
2424 before using this macro. */
2425 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
2426 (TREE_TYPE (TYPE_FIELDS (NODE)))
2428 /* Returns `A' for a type like `int (A::*)(double)' */
2429 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
2430 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2432 /* These are use to manipulate the canonical RECORD_TYPE from the
2433 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
2434 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
2435 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
2436 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
2438 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
2440 TYPE_LANG_SPECIFIC (NODE) = \
2441 ggc_alloc_cleared (sizeof (struct lang_type_ptrmem)); \
2442 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
2444 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
2446 /* Returns the pfn field from a TYPE_PTRMEMFUNC_P. */
2447 #define PFN_FROM_PTRMEMFUNC(NODE) pfn_from_ptrmemfunc ((NODE))
2449 /* For a pointer-to-member type of the form `T X::*', this is `X'.
2450 For a type like `void (X::*)() const', this type is `X', not `const
2451 X'. To get at the `const X' you have to look at the
2452 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
2454 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
2455 (TYPE_PTRMEM_P (NODE) \
2456 ? TYPE_OFFSET_BASETYPE (NODE) \
2457 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
2459 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
2460 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
2461 (TYPE_PTRMEM_P (NODE) \
2462 ? TREE_TYPE (NODE) \
2463 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2465 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
2467 #define PTRMEM_CST_CLASS(NODE) \
2468 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
2470 /* For a pointer-to-member constant `X::Y' this is the _DECL for
2472 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
2474 /* The expression in question for a TYPEOF_TYPE. */
2475 #define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values
2477 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
2478 specified in its declaration. This can also be set for an
2479 erroneously declared PARM_DECL. */
2480 #define DECL_THIS_EXTERN(NODE) \
2481 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2483 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
2484 specified in its declaration. This can also be set for an
2485 erroneously declared PARM_DECL. */
2486 #define DECL_THIS_STATIC(NODE) \
2487 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2489 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
2490 flag for this because "A union for which objects or pointers are
2491 declared is not an anonymous union" [class.union]. */
2492 #define ANON_AGGR_TYPE_P(NODE) \
2493 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
2494 #define SET_ANON_AGGR_TYPE_P(NODE) \
2495 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
2497 /* Nonzero if TYPE is an anonymous union type. */
2498 #define ANON_UNION_TYPE_P(NODE) \
2499 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
2501 #define UNKNOWN_TYPE LANG_TYPE
2503 /* Define fields and accessors for nodes representing declared names. */
2505 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
2507 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
2509 /* The format of each node in the DECL_FRIENDLIST is as follows:
2511 The TREE_PURPOSE will be the name of a function, i.e., an
2512 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
2513 TREE_VALUEs are friends with the given name. */
2514 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
2515 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2516 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2518 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
2519 each node is a type; the TREE_VALUE is the access granted for this
2520 DECL in that type. The DECL_ACCESS is set by access declarations.
2521 For example, if a member that would normally be public in a
2522 derived class is made protected, then the derived class and the
2523 protected_access_node will appear in the DECL_ACCESS for the node. */
2524 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
2526 /* Nonzero if the FUNCTION_DECL is a global constructor. */
2527 #define DECL_GLOBAL_CTOR_P(NODE) \
2528 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_ctor_p)
2530 /* Nonzero if the FUNCTION_DECL is a global destructor. */
2531 #define DECL_GLOBAL_DTOR_P(NODE) \
2532 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_dtor_p)
2534 /* Accessor macros for C++ template decl nodes. */
2536 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
2537 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
2538 template parameters, with 1 being the outermost set of template
2539 parameters. The TREE_VALUE is a vector, whose elements are the
2540 template parameters at each level. Each element in the vector is a
2541 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
2542 non-type parameter), or a TYPE_DECL (if the parameter is a type
2543 parameter). The TREE_PURPOSE is the default value, if any. The
2544 TEMPLATE_PARM_INDEX for the parameter is available as the
2545 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
2547 #define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS (NODE)
2548 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
2549 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
2550 #define DECL_NTPARMS(NODE) \
2551 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
2552 /* For function, method, class-data templates. */
2553 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
2554 /* For a static member variable template, the
2555 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
2556 implicitly generated instantiations of the variable. There are no
2557 partial instantiations of static member variables, so all of these
2558 will be full instantiations.
2560 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
2561 all instantiations and specializations of the class type, including
2562 partial instantiations and partial specializations.
2564 In both cases, the TREE_PURPOSE of each node contains the arguments
2565 used; the TREE_VALUE contains the generated variable. The template
2566 arguments are always complete. For example, given:
2568 template <class T> struct S1 {
2569 template <class U> struct S2 {};
2570 template <class U> struct S2<U*> {};
2573 the record for the partial specialization will contain, as its
2574 argument list, { {T}, {U*} }, and will be on the
2575 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
2576 <class U> struct S1<T>::S2'.
2578 This list is not used for function templates. */
2579 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
2580 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
2581 contains all instantiations and specializations of the function,
2582 including partial instantiations. For a partial instantiation
2583 which is a specialization, this list holds only full
2584 specializations of the template that are instantiations of the
2585 partial instantiation. For example, given:
2587 template <class T> struct S {
2588 template <class U> void f(U);
2589 template <> void f(T);
2592 the `S<int>::f<int>(int)' function will appear on the
2593 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
2594 template <class U> void S<T>::f(U)' and `template <class T> void
2595 S<int>::f(T)'. In the latter case, however, it will have only the
2596 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
2597 for the function declaration will point at the specialization, not
2598 the fully general template.
2600 For a class template, this list contains the partial
2601 specializations of this template. (Full specializations are not
2602 recorded on this list.) The TREE_PURPOSE holds the innermost
2603 arguments used in the partial specialization (e.g., for `template
2604 <class T> struct S<T*, int>' this will be `T*'.) The TREE_VALUE
2605 holds the innermost template parameters for the specialization
2606 (e.g., `T' in the example above.) The TREE_TYPE is the _TYPE node
2607 for the partial specialization.
2609 This list is not used for static variable templates. */
2610 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
2612 /* Nonzero for a DECL which is actually a template parameter. */
2613 #define DECL_TEMPLATE_PARM_P(NODE) \
2614 (DECL_LANG_FLAG_0 (NODE) \
2615 && (TREE_CODE (NODE) == CONST_DECL \
2616 || TREE_CODE (NODE) == PARM_DECL \
2617 || TREE_CODE (NODE) == TYPE_DECL \
2618 || TREE_CODE (NODE) == TEMPLATE_DECL))
2620 /* Mark NODE as a template parameter. */
2621 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
2622 (DECL_LANG_FLAG_0 (NODE) = 1)
2624 /* Nonzero if NODE is a template template parameter. */
2625 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
2626 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
2628 /* Nonzero if NODE is a TEMPLATE_DECL representing an
2629 UNBOUND_CLASS_TEMPLATE tree node. */
2630 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
2631 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
2633 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
2634 (TREE_CODE (NODE) == TEMPLATE_DECL \
2635 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2636 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
2638 /* Nonzero for a DECL that represents a template class. */
2639 #define DECL_CLASS_TEMPLATE_P(NODE) \
2640 (TREE_CODE (NODE) == TEMPLATE_DECL \
2641 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2642 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
2643 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
2645 /* Nonzero if NODE which declares a type. */
2646 #define DECL_DECLARES_TYPE_P(NODE) \
2647 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
2649 /* Nonzero if NODE is the typedef implicitly generated for a type when
2650 the type is declared. In C++, `struct S {};' is roughly
2651 equivalent to `struct S {}; typedef struct S S;' in C.
2652 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
2653 example. In C++, there is a second implicit typedef for each
2654 class, in the scope of `S' itself, so that you can say `S::S'.
2655 DECL_SELF_REFERENCE_P will hold for that second typedef. */
2656 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
2657 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
2658 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
2659 (DECL_LANG_FLAG_2 (NODE) = 1)
2660 #define DECL_SELF_REFERENCE_P(NODE) \
2661 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
2662 #define SET_DECL_SELF_REFERENCE_P(NODE) \
2663 (DECL_LANG_FLAG_4 (NODE) = 1)
2665 /* A `primary' template is one that has its own template header. A
2666 member function of a class template is a template, but not primary.
2667 A member template is primary. Friend templates are primary, too. */
2669 /* Returns the primary template corresponding to these parameters. */
2670 #define DECL_PRIMARY_TEMPLATE(NODE) \
2671 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
2673 /* Returns nonzero if NODE is a primary template. */
2674 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
2676 #define CLASSTYPE_TEMPLATE_LEVEL(NODE) \
2677 (TREE_INT_CST_LOW (TREE_PURPOSE (CLASSTYPE_TI_TEMPLATE (NODE))))
2679 /* Indicates whether or not (and how) a template was expanded for this
2680 FUNCTION_DECL or VAR_DECL.
2681 0=normal declaration, e.g. int min (int, int);
2682 1=implicit template instantiation
2683 2=explicit template specialization, e.g. int min<int> (int, int);
2684 3=explicit template instantiation, e.g. template int min<int> (int, int); */
2685 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.use_template)
2687 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
2688 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
2689 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
2691 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
2692 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
2693 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2694 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
2695 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2696 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
2698 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
2699 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
2700 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2701 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
2702 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2703 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
2705 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
2706 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
2707 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2708 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
2709 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2710 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
2712 /* Nonzero if DECL is a friend function which is an instantiation
2713 from the point of view of the compiler, but not from the point of
2714 view of the language. For example given:
2715 template <class T> struct S { friend void f(T) {}; };
2716 the declaration of `void f(int)' generated when S<int> is
2717 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
2718 a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
2719 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
2720 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
2722 /* Nonzero iff we are currently processing a declaration for an
2723 entity with its own template parameter list, and which is not a
2724 full specialization. */
2725 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
2726 (processing_template_decl > template_class_depth (current_scope ()))
2728 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
2729 instantiated, i.e. its definition has been generated from the
2730 pattern given in the the template. */
2731 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
2732 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
2734 /* We know what we're doing with this decl now. */
2735 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
2737 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
2738 so that assemble_external will work properly. So we have this flag to
2739 tell us whether the decl is really not external. */
2740 #define DECL_NOT_REALLY_EXTERN(NODE) \
2741 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
2743 #define DECL_REALLY_EXTERN(NODE) \
2744 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
2746 /* A thunk is a stub function.
2748 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
2749 The address of the ordinary FUNCTION_DECL is given by the
2750 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
2751 FUNCTION_DECL. The job of the thunk is to either adjust the this
2752 pointer before transferring control to the FUNCTION_DECL, or call
2753 FUNCTION_DECL and then adjust the result value. Note, the result
2754 pointer adjusting thunk must perform a call to the thunked
2755 function, (or be implemented via passing some invisible parameter
2756 to the thunked function, which is modified to perform the
2757 adjustment just before returning).
2759 A thunk may perform either, or both, of the following operations:
2761 o Adjust the this or result pointer by a constant offset.
2762 o Adjust the this or result pointer by looking up a vcall or vbase offset
2765 A this pointer adjusting thunk converts from a base to a derived
2766 class, and hence adds the offsets. A result pointer adjusting thunk
2767 converts from a derived class to a base, and hence subtracts the
2768 offsets. If both operations are performed, then the constant
2769 adjustment is performed first for this pointer adjustment and last
2770 for the result pointer adjustment.
2772 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
2773 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
2774 used. For this pointer adjusting thunks, it is the vcall offset
2775 into the vtable. For result pointer adjusting thunks it is the
2776 binfo of the virtual base to convert to. Use that binfo's vbase
2779 It is possible to have equivalent covariant thunks. These are
2780 distinct virtual covariant thunks whose vbase offsets happen to
2781 have the same value. THUNK_ALIAS is used to pick one as the
2782 canonical thunk, which will get all the this pointer adjusting
2783 thunks attached to it. */
2785 /* An integer indicating how many bytes should be subtracted from the
2786 this or result pointer when this function is called. */
2787 #define THUNK_FIXED_OFFSET(DECL) \
2788 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL))->u.f.fixed_offset)
2790 /* A tree indicating how to perform the virtual adjustment. For a this
2791 adjusting thunk it is the number of bytes to be added to the vtable
2792 to find the vcall offset. For a result adjusting thunk, it is the
2793 binfo of the relevant virtual base. If NULL, then there is no
2794 virtual adjust. (The vptr is always located at offset zero from
2795 the this or result pointer.) (If the covariant type is within the
2796 class hierarchy being laid out, the vbase index is not yet known
2797 at the point we need to create the thunks, hence the need to use
2800 #define THUNK_VIRTUAL_OFFSET(DECL) \
2801 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access)
2803 /* A thunk which is equivalent to another thunk. */
2804 #define THUNK_ALIAS(DECL) \
2805 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.template_info)
2807 /* For thunk NODE, this is the FUNCTION_DECL thunked to. */
2808 #define THUNK_TARGET(NODE) \
2809 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
2811 /* These macros provide convenient access to the various _STMT nodes
2812 created when parsing template declarations. */
2813 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
2814 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
2816 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
2817 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
2819 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
2821 /* Nonzero if this try block is a function try block. */
2822 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
2823 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
2824 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
2825 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
2827 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
2828 and the VAR_DECL for which this cleanup exists. */
2829 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
2830 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
2831 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
2833 /* IF_STMT accessors. These give access to the condition of the if
2834 statement, the then block of the if statement, and the else block
2835 of the if statement if it exists. */
2836 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
2837 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
2838 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
2840 /* An enumeration of the kind of tags that C++ accepts. */
2842 none_type = 0, /* Not a tag type. */
2843 record_type, /* "struct" types. */
2844 class_type, /* "class" types. */
2845 union_type, /* "union" types. */
2846 enum_type, /* "enum" types. */
2847 typename_type /* "typename" types. */
2850 /* The various kinds of lvalues we distinguish. */
2851 typedef enum cp_lvalue_kind {
2852 clk_none = 0, /* Things that are not an lvalue. */
2853 clk_ordinary = 1, /* An ordinary lvalue. */
2854 clk_class = 2, /* An rvalue of class-type. */
2855 clk_bitfield = 4, /* An lvalue for a bit-field. */
2856 clk_packed = 8 /* An lvalue for a packed field. */
2859 /* Various kinds of template specialization, instantiation, etc. */
2860 typedef enum tmpl_spec_kind {
2861 tsk_none, /* Not a template at all. */
2862 tsk_invalid_member_spec, /* An explicit member template
2863 specialization, but the enclosing
2864 classes have not all been explicitly
2866 tsk_invalid_expl_inst, /* An explicit instantiation containing
2867 template parameter lists. */
2868 tsk_excessive_parms, /* A template declaration with too many
2869 template parameter lists. */
2870 tsk_insufficient_parms, /* A template declaration with too few
2872 tsk_template, /* A template declaration. */
2873 tsk_expl_spec, /* An explicit specialization. */
2874 tsk_expl_inst /* An explicit instantiation. */
2877 /* The various kinds of access. BINFO_ACCESS depends on these being
2878 two bit quantities. The numerical values are important; they are
2879 used to initialize RTTI data structures, so changing them changes
2881 typedef enum access_kind {
2882 ak_none = 0, /* Inaccessible. */
2883 ak_public = 1, /* Accessible, as a `public' thing. */
2884 ak_protected = 2, /* Accessible, as a `protected' thing. */
2885 ak_private = 3 /* Accessible, as a `private' thing. */
2888 /* The various kinds of special functions. If you add to this list,
2889 you should update special_function_p as well. */
2890 typedef enum special_function_kind {
2891 sfk_none = 0, /* Not a special function. This enumeral
2892 must have value zero; see
2893 special_function_p. */
2894 sfk_constructor, /* A constructor. */
2895 sfk_copy_constructor, /* A copy constructor. */
2896 sfk_assignment_operator, /* An assignment operator. */
2897 sfk_destructor, /* A destructor. */
2898 sfk_complete_destructor, /* A destructor for complete objects. */
2899 sfk_base_destructor, /* A destructor for base subobjects. */
2900 sfk_deleting_destructor, /* A destructor for complete objects that
2901 deletes the object after it has been
2903 sfk_conversion /* A conversion operator. */
2904 } special_function_kind;
2906 /* The various kinds of linkage. From [basic.link],
2908 A name is said to have linkage when it might denote the same
2909 object, reference, function, type, template, namespace or value
2910 as a name introduced in another scope:
2912 -- When a name has external linkage, the entity it denotes can
2913 be referred to from scopes of other translation units or from
2914 other scopes of the same translation unit.
2916 -- When a name has internal linkage, the entity it denotes can
2917 be referred to by names from other scopes in the same
2920 -- When a name has no linkage, the entity it denotes cannot be
2921 referred to by names from other scopes. */
2923 typedef enum linkage_kind {
2924 lk_none, /* No linkage. */
2925 lk_internal, /* Internal linkage. */
2926 lk_external /* External linkage. */
2929 /* Bitmask flags to control type substitution. */
2930 typedef enum tsubst_flags_t {
2931 tf_none = 0, /* nothing special */
2932 tf_error = 1 << 0, /* give error messages */
2933 tf_warning = 1 << 1, /* give warnings too */
2934 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
2935 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
2936 (make_typename_type use) */
2937 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
2938 instantiate_type use) */
2939 tf_user = 1 << 5, /* found template must be a user template
2940 (lookup_template_class use) */
2941 tf_conv = 1 << 6 /* We are determining what kind of
2942 conversion might be permissible,
2943 not actually performing the
2947 /* The kind of checking we can do looking in a class hierarchy. */
2948 typedef enum base_access {
2949 ba_any = 0, /* Do not check access, allow an ambiguous base,
2950 prefer a non-virtual base */
2951 ba_ignore = 1, /* Do not check access */
2952 ba_check = 2, /* Check access */
2953 ba_not_special = 3, /* Do not consider special privilege
2954 current_class_type might give. */
2955 ba_quiet = 4 /* Do not issue error messages (bit mask). */
2958 /* The various kinds of access check during parsing. */
2959 typedef enum deferring_kind {
2960 dk_no_deferred = 0, /* Check access immediately */
2961 dk_deferred = 1, /* Deferred check */
2962 dk_no_check = 2 /* No access check */
2965 /* The kind of base we can find, looking in a class hierarchy.
2966 Values <0 indicate we failed. */
2967 typedef enum base_kind {
2968 bk_inaccessible = -3, /* The base is inaccessible */
2969 bk_ambig = -2, /* The base is ambiguous */
2970 bk_not_base = -1, /* It is not a base */
2971 bk_same_type = 0, /* It is the same type */
2972 bk_proper_base = 1, /* It is a proper base */
2973 bk_via_virtual = 2 /* It is a proper base, but via a virtual
2974 path. This might not be the canonical
2979 /* A node that is a list (length 1) of error_mark_nodes. */
2980 extern GTY(()) tree error_mark_list;
2982 /* Node for "pointer to (virtual) function".
2983 This may be distinct from ptr_type_node so gdb can distinguish them. */
2984 #define vfunc_ptr_type_node vtable_entry_type
2987 /* For building calls to `delete'. */
2988 extern GTY(()) tree integer_two_node;
2989 extern GTY(()) tree integer_three_node;
2991 /* The number of function bodies which we are currently processing.
2992 (Zero if we are at namespace scope, one inside the body of a
2993 function, two inside the body of a function in a local class, etc.) */
2994 extern int function_depth;
2998 /* These values are used for the `STRICT' parameter to type_unification and
2999 fn_type_unification. Their meanings are described with the
3000 documentation for fn_type_unification. */
3002 typedef enum unification_kind_t {
3007 } unification_kind_t;
3009 /* Macros for operating on a template instantiation level node. */
3011 #define TINST_DECL(NODE) TREE_OPERAND (NODE, 0)
3015 extern int current_class_depth;
3017 /* An array of all local classes present in this translation unit, in
3018 declaration order. */
3019 extern GTY(()) varray_type local_classes;
3021 /* Here's where we control how name mangling takes place. */
3023 /* Cannot use '$' up front, because this confuses gdb
3024 (names beginning with '$' are gdb-local identifiers).
3026 Note that all forms in which the '$' is significant are long enough
3027 for direct indexing (meaning that if we know there is a '$'
3028 at a particular location, we can index into the string at
3029 any other location that provides distinguishing characters). */
3031 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
3032 doesn't allow '$' in symbol names. */
3033 #ifndef NO_DOLLAR_IN_LABEL
3037 #define VPTR_NAME "$v"
3038 #define THROW_NAME "$eh_throw"
3039 #define AUTO_VTABLE_NAME "__vtbl$me__"
3040 #define AUTO_TEMP_NAME "_$tmp_"
3041 #define AUTO_TEMP_FORMAT "_$tmp_%d"
3042 #define VTABLE_BASE "$vb"
3043 #define VTABLE_NAME_PREFIX "__vt_"
3044 #define VFIELD_BASE "$vf"
3045 #define VFIELD_NAME "_vptr$"
3046 #define VFIELD_NAME_FORMAT "_vptr$%s"
3047 #define STATIC_NAME_FORMAT "_%s$%s"
3048 #define ANON_AGGRNAME_FORMAT "$_%d"
3050 #else /* NO_DOLLAR_IN_LABEL */
3052 #ifndef NO_DOT_IN_LABEL
3056 #define VPTR_NAME ".v"
3057 #define THROW_NAME ".eh_throw"
3058 #define AUTO_VTABLE_NAME "__vtbl.me__"
3059 #define AUTO_TEMP_NAME "_.tmp_"
3060 #define AUTO_TEMP_FORMAT "_.tmp_%d"
3061 #define VTABLE_BASE ".vb"
3062 #define VTABLE_NAME_PREFIX "__vt_"
3063 #define VFIELD_BASE ".vf"
3064 #define VFIELD_NAME "_vptr."
3065 #define VFIELD_NAME_FORMAT "_vptr.%s"
3066 #define STATIC_NAME_FORMAT "_%s.%s"
3068 #define ANON_AGGRNAME_FORMAT "._%d"
3070 #else /* NO_DOT_IN_LABEL */
3072 #define VPTR_NAME "__vptr"
3073 #define VPTR_NAME_P(ID_NODE) \
3074 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VPTR_NAME, sizeof (VPTR_NAME) - 1))
3075 #define THROW_NAME "__eh_throw"
3076 #define IN_CHARGE_NAME "__in_chrg"
3077 #define AUTO_VTABLE_NAME "__vtbl_me__"
3078 #define AUTO_TEMP_NAME "__tmp_"
3079 #define TEMP_NAME_P(ID_NODE) \
3080 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3081 sizeof (AUTO_TEMP_NAME) - 1))
3082 #define AUTO_TEMP_FORMAT "__tmp_%d"
3083 #define VTABLE_BASE "__vtb"
3084 #define VTABLE_NAME "__vt_"
3085 #define VTABLE_NAME_PREFIX "__vt_"
3086 #define VTABLE_NAME_P(ID_NODE) \
3087 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3088 sizeof (VTABLE_NAME) - 1))
3089 #define VFIELD_BASE "__vfb"
3090 #define VFIELD_NAME "__vptr_"
3091 #define VFIELD_NAME_P(ID_NODE) \
3092 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3093 sizeof (VFIELD_NAME) - 1))
3094 #define VFIELD_NAME_FORMAT "__vptr_%s"
3095 #define STATIC_NAME_FORMAT "__static_%s_%s"
3097 #define ANON_AGGRNAME_PREFIX "__anon_"
3098 #define ANON_AGGRNAME_P(ID_NODE) \
3099 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3100 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3101 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3103 #endif /* NO_DOT_IN_LABEL */
3104 #endif /* NO_DOLLAR_IN_LABEL */
3106 #define THIS_NAME "this"
3107 #define CTOR_NAME "__ct"
3108 #define DTOR_NAME "__dt"
3110 #define IN_CHARGE_NAME "__in_chrg"
3112 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3113 #define VTABLE_DELTA_NAME "__delta"
3114 #define VTABLE_PFN_NAME "__pfn"
3116 #define EXCEPTION_CLEANUP_NAME "exception cleanup"
3118 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3120 #define VPTR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3121 && IDENTIFIER_POINTER (ID_NODE)[1] == 'v')
3123 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3124 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3125 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3127 #define TEMP_NAME_P(ID_NODE) \
3128 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3129 #define VFIELD_NAME_P(ID_NODE) \
3130 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3132 /* For anonymous aggregate types, we need some sort of name to
3133 hold on to. In practice, this should not appear, but it should
3134 not be harmful if it does. */
3135 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3136 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3137 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3139 /* Returns nonzero iff NODE is a declaration for the global function
3141 #define DECL_MAIN_P(NODE) \
3142 (DECL_EXTERN_C_FUNCTION_P (NODE) \
3143 && DECL_NAME (NODE) != NULL_TREE \
3144 && MAIN_NAME_P (DECL_NAME (NODE)))
3147 /* Nonzero if we're done parsing and into end-of-file activities. */
3151 /* A list of namespace-scope objects which have constructors or
3152 destructors which reside in the global scope. The decl is stored
3153 in the TREE_VALUE slot and the initializer is stored in the
3154 TREE_PURPOSE slot. */
3155 extern GTY(()) tree static_aggregates;
3157 /* Functions called along with real static constructors and destructors. */
3159 extern GTY(()) tree static_ctors;
3160 extern GTY(()) tree static_dtors;
3162 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
3164 /* Some macros for char-based bitfields. */
3165 #define B_SET(A,X) ((A)[(X)>>3] |= (1 << ((X)&7)))
3166 #define B_CLR(A,X) ((A)[(X)>>3] &= ~(1 << ((X)&7)))
3167 #define B_TST(A,X) ((A)[(X)>>3] & (1 << ((X)&7)))
3169 /* These are uses as bits in flags passed to build_new_method_call
3170 to control its error reporting behavior.
3172 LOOKUP_PROTECT means flag access violations.
3173 LOOKUP_COMPLAIN mean complain if no suitable member function
3174 matching the arguments is found.
3175 LOOKUP_NORMAL is just a combination of these two.
3176 LOOKUP_NONVIRTUAL means make a direct call to the member function found
3177 LOOKUP_GLOBAL means search through the space of overloaded functions,
3178 as well as the space of member functions.
3179 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
3180 DIRECT_BIND means that if a temporary is created, it should be created so
3181 that it lives as long as the current variable bindings; otherwise it
3182 only lives until the end of the complete-expression. It also forces
3183 direct-initialization in cases where other parts of the compiler have
3184 already generated a temporary, such as reference initialization and the
3186 LOOKUP_NO_CONVERSION means that user-defined conversions are not
3187 permitted. Built-in conversions are permitted.
3188 LOOKUP_DESTRUCTOR means explicit call to destructor.
3189 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references.
3191 These are used in global lookup to support elaborated types and
3194 LOOKUP_PREFER_TYPES means not to accept objects, and possibly namespaces.
3195 LOOKUP_PREFER_NAMESPACES means not to accept objects, and possibly types.
3196 LOOKUP_PREFER_BOTH means class-or-namespace-name. */
3198 #define LOOKUP_PROTECT (1 << 0)
3199 #define LOOKUP_COMPLAIN (1 << 1)
3200 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3201 #define LOOKUP_NONVIRTUAL (1 << 2)
3202 #define LOOKUP_GLOBAL (1 << 3)
3203 #define LOOKUP_ONLYCONVERTING (1 << 4)
3204 #define DIRECT_BIND (1 << 5)
3205 #define LOOKUP_NO_CONVERSION (1 << 6)
3206 #define LOOKUP_DESTRUCTOR (1 << 7)
3207 #define LOOKUP_NO_TEMP_BIND (1 << 8)
3208 #define LOOKUP_PREFER_TYPES (1 << 9)
3209 #define LOOKUP_PREFER_NAMESPACES (1 << 10)
3210 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
3211 #define LOOKUP_CONSTRUCTOR_CALLABLE (1 << 11)
3213 #define LOOKUP_NAMESPACES_ONLY(F) \
3214 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
3215 #define LOOKUP_TYPES_ONLY(F) \
3216 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
3217 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
3220 /* These flags are used by the conversion code.
3221 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
3222 CONV_STATIC : Perform the explicit conversions for static_cast.
3223 CONV_CONST : Perform the explicit conversions for const_cast.
3224 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
3225 CONV_PRIVATE : Perform upcasts to private bases.
3226 CONV_FORCE_TEMP : Require a new temporary when converting to the same
3229 #define CONV_IMPLICIT 1
3230 #define CONV_STATIC 2
3231 #define CONV_CONST 4
3232 #define CONV_REINTERPRET 8
3233 #define CONV_PRIVATE 16
3234 /* #define CONV_NONCONVERTING 32 */
3235 #define CONV_FORCE_TEMP 64
3236 #define CONV_STATIC_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_FORCE_TEMP)
3237 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3239 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3240 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
3242 /* Used by build_expr_type_conversion to indicate which types are
3243 acceptable as arguments to the expression under consideration. */
3245 #define WANT_INT 1 /* integer types, including bool */
3246 #define WANT_FLOAT 2 /* floating point types */
3247 #define WANT_ENUM 4 /* enumerated types */
3248 #define WANT_POINTER 8 /* pointer types */
3249 #define WANT_NULL 16 /* null pointer constant */
3250 #define WANT_ARITH (WANT_INT | WANT_FLOAT)
3252 /* Used with comptypes, and related functions, to guide type
3255 #define COMPARE_STRICT 0 /* Just check if the types are the
3257 #define COMPARE_BASE 1 /* Check to see if the second type is
3258 derived from the first. */
3259 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
3261 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
3262 another declaration of an existing
3265 /* Used with push_overloaded_decl. */
3266 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
3267 regardless of the current scope. */
3268 #define PUSH_LOCAL 1 /* Push the DECL into the current
3270 #define PUSH_USING 2 /* We are pushing this DECL as the
3271 result of a using declaration. */
3273 /* Used with start function. */
3274 #define SF_DEFAULT 0 /* No flags. */
3275 #define SF_PRE_PARSED 1 /* The function declaration has
3276 already been parsed. */
3277 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
3278 in the class body. */
3280 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
3281 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
3282 class derived from the type pointed to (referred to) by TYPE1. */
3283 #define same_or_base_type_p(TYPE1, TYPE2) \
3284 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
3286 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
3287 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
3288 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
3289 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
3290 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
3291 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
3292 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
3293 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
3295 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
3296 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
3297 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
3298 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \
3299 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values
3300 #define TEMPLATE_TYPE_IDX(NODE) \
3301 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3302 #define TEMPLATE_TYPE_LEVEL(NODE) \
3303 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3304 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
3305 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3306 #define TEMPLATE_TYPE_DECL(NODE) \
3307 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3309 /* These constants can used as bit flags in the process of tree formatting.
3311 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
3312 TFF_SCOPE: include the class and namespace scope of the name.
3313 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
3314 TFF_DECL_SPECIFIERS: print decl-specifiers.
3315 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
3316 a class-key (resp. `enum').
3317 TFF_RETURN_TYPE: include function return type.
3318 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
3319 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
3320 TFF_TEMPLATE_HEADER: show the template<...> header in a
3321 template-declaration.
3322 TFF_TEMPLATE_NAME: show only template-name.
3323 TFF_EXPR_IN_PARENS: parenthesize expressions.
3324 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments. */
3326 #define TFF_PLAIN_IDENTIFIER (0)
3327 #define TFF_SCOPE (1)
3328 #define TFF_CHASE_TYPEDEF (1 << 1)
3329 #define TFF_DECL_SPECIFIERS (1 << 2)
3330 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
3331 #define TFF_RETURN_TYPE (1 << 4)
3332 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
3333 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
3334 #define TFF_TEMPLATE_HEADER (1 << 7)
3335 #define TFF_TEMPLATE_NAME (1 << 8)
3336 #define TFF_EXPR_IN_PARENS (1 << 9)
3337 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
3339 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
3341 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
3342 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
3343 ? TYPE_TI_TEMPLATE (NODE) \
3348 extern void init_reswords (void);
3350 /* Indexed by TREE_CODE, these tables give C-looking names to
3351 operators represented by TREE_CODES. For example,
3352 opname_tab[(int) MINUS_EXPR] == "-". */
3353 extern const char **opname_tab, **assignop_tab;
3355 typedef struct operator_name_info_t GTY(())
3357 /* The IDENTIFIER_NODE for the operator. */
3359 /* The name of the operator. */
3361 /* The mangled name of the operator. */
3362 const char *mangled_name;
3363 /* The arity of the operator. */
3365 } operator_name_info_t;
3367 /* A mapping from tree codes to operator name information. */
3368 extern GTY(()) operator_name_info_t operator_name_info
3369 [(int) LAST_CPLUS_TREE_CODE];
3370 /* Similar, but for assignment operators. */
3371 extern GTY(()) operator_name_info_t assignment_operator_name_info
3372 [(int) LAST_CPLUS_TREE_CODE];
3374 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
3377 typedef int cp_cv_quals;
3379 /* A storage class. */
3381 typedef enum cp_storage_class {
3382 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
3383 sets the storage_class field to sc_none. */
3392 /* An individual decl-specifier. */
3394 typedef enum cp_decl_spec {
3396 ds_signed = ds_first,
3413 /* A decl-specifier-seq. */
3415 typedef struct cp_decl_specifier_seq {
3416 /* The number of times each of the keywords has been seen. */
3417 unsigned specs[(int) ds_last];
3418 /* The primary type, if any, given by the decl-specifier-seq.
3419 Modifiers, like "short", "const", and "unsigned" are not
3420 reflected here. This field will be a TYPE, unless a typedef-name
3421 was used, in which case it will be a TYPE_DECL. */
3423 /* The attributes, if any, provided with the specifier sequence. */
3425 /* If non-NULL, a built-in type that the user attempted to redefine
3426 to some other type. */
3427 tree redefined_builtin_type;
3428 /* The storage class specified -- or sc_none if no storage class was
3429 explicitly specified. */
3430 cp_storage_class storage_class;
3431 /* True iff TYPE_SPEC indicates a user-defined type. */
3432 BOOL_BITFIELD user_defined_type_p : 1;
3433 /* True iff multiple types were (erroneously) specified for this
3434 decl-specifier-seq. */
3435 BOOL_BITFIELD multiple_types_p : 1;
3436 /* True iff multiple storage classes were (erroneously) specified
3437 for this decl-specifier-seq. */
3438 BOOL_BITFIELD multiple_storage_classes_p : 1;
3439 /* True iff at least one decl-specifier was found. */
3440 BOOL_BITFIELD any_specifiers_p : 1;
3441 /* True iff "int" was explicitly provided. */
3442 BOOL_BITFIELD explicit_int_p : 1;
3443 /* True iff "char" was explicitly provided. */
3444 BOOL_BITFIELD explicit_char_p : 1;
3445 } cp_decl_specifier_seq;
3447 /* The various kinds of declarators. */
3449 typedef enum cp_declarator_kind {
3457 } cp_declarator_kind;
3461 typedef struct cp_declarator cp_declarator;
3463 typedef struct cp_parameter_declarator cp_parameter_declarator;
3465 /* A parameter, before it has been semantically analyzed. */
3466 struct cp_parameter_declarator {
3467 /* The next parameter, or NULL_TREE if none. */
3468 cp_parameter_declarator *next;
3469 /* The decl-specifiers-seq for the parameter. */
3470 cp_decl_specifier_seq decl_specifiers;
3471 /* The declarator for the parameter. */
3472 cp_declarator *declarator;
3473 /* The default-argument expression, or NULL_TREE, if none. */
3474 tree default_argument;
3475 /* True iff this is the first parameter in the list and the
3476 parameter sequence ends with an ellipsis. */
3481 struct cp_declarator {
3482 /* The kind of declarator. */
3483 cp_declarator_kind kind;
3484 /* Attributes that apply to this declarator. */
3486 /* For all but cdk_id and cdk_error, the contained declarator. For
3487 cdk_id and cdk_error, guaranteed to be NULL. */
3488 cp_declarator *declarator;
3490 /* For identifiers. */
3492 /* The name of the function -- an IDENTIFIER_NODE, BIT_NOT_EXPR,
3493 TEMPLATE_ID_EXPR, or SCOPE_REF. */
3495 /* If this is the name of a function, what kind of special
3496 function (if any). */
3497 special_function_kind sfk;
3499 /* For functions. */
3501 /* The parameters to the function. */
3502 cp_parameter_declarator *parameters;
3503 /* The cv-qualifiers for the function. */
3504 cp_cv_quals qualifiers;
3505 /* The exception-specification for the function. */
3506 tree exception_specification;
3510 /* The bounds to the array. */
3513 /* For cdk_pointer, cdk_reference, and cdk_ptrmem. */
3515 /* The cv-qualifiers for the pointer. */
3516 cp_cv_quals qualifiers;
3517 /* For cdk_ptrmem, the class type containing the member. */
3523 /* An erroneous declarator. */
3524 extern cp_declarator *cp_error_declarator;
3526 /* A parameter list indicating for a function with no parameters,
3527 e.g "int f(void)". */
3528 extern cp_parameter_declarator *no_parameters;
3531 extern bool check_dtor_name (tree, tree);
3533 extern tree build_vfield_ref (tree, tree);
3534 extern tree build_conditional_expr (tree, tree, tree);
3535 extern tree build_addr_func (tree);
3536 extern tree build_call (tree, tree);
3537 extern bool null_ptr_cst_p (tree);
3538 extern bool sufficient_parms_p (tree);
3539 extern tree type_decays_to (tree);
3540 extern tree build_user_type_conversion (tree, tree, int);
3541 extern tree build_new_function_call (tree, tree);
3542 extern tree build_operator_new_call (tree, tree, tree *, tree *);
3543 extern tree build_new_method_call (tree, tree, tree, tree, int);
3544 extern tree build_special_member_call (tree, tree, tree, tree, int);
3545 extern tree build_new_op (enum tree_code, int, tree, tree, tree, bool *);
3546 extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree);
3547 extern bool can_convert (tree, tree);
3548 extern bool can_convert_arg (tree, tree, tree);
3549 extern bool can_convert_arg_bad (tree, tree, tree);
3550 extern bool enforce_access (tree, tree);
3551 extern tree convert_default_arg (tree, tree, tree, int);
3552 extern tree convert_arg_to_ellipsis (tree);
3553 extern tree build_x_va_arg (tree, tree);
3554 extern tree cxx_type_promotes_to (tree);
3555 extern tree type_passed_as (tree);
3556 extern tree convert_for_arg_passing (tree, tree);
3557 extern tree cp_convert_parm_for_inlining (tree, tree, tree);
3558 extern bool is_properly_derived_from (tree, tree);
3559 extern tree initialize_reference (tree, tree, tree, tree *);
3560 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
3561 extern tree strip_top_quals (tree);
3562 extern tree perform_implicit_conversion (tree, tree);
3563 extern tree perform_direct_initialization_if_possible (tree, tree);
3564 extern tree in_charge_arg_for_name (tree);
3565 extern tree build_cxx_call (tree, tree);
3566 #ifdef ENABLE_CHECKING
3567 extern void validate_conversion_obstack (void);
3568 #endif /* ENABLE_CHECKING */
3571 extern tree build_base_path (enum tree_code, tree, tree, int);
3572 extern tree convert_to_base (tree, tree, bool);
3573 extern tree convert_to_base_statically (tree, tree);
3574 extern tree build_vtbl_ref (tree, tree);
3575 extern tree build_vfn_ref (tree, tree);
3576 extern tree get_vtable_decl (tree, int);
3577 extern void resort_type_method_vec
3578 (void *, void *, gt_pointer_operator, void *);
3579 extern void add_method (tree, tree);
3580 extern int currently_open_class (tree);
3581 extern tree currently_open_derived_class (tree);
3582 extern tree finish_struct (tree, tree);
3583 extern void finish_struct_1 (tree);
3584 extern int resolves_to_fixed_type_p (tree, int *);
3585 extern void init_class_processing (void);
3586 extern int is_empty_class (tree);
3587 extern void pushclass (tree);
3588 extern void popclass (void);
3589 extern void push_nested_class (tree);
3590 extern void pop_nested_class (void);
3591 extern int current_lang_depth (void);
3592 extern void push_lang_context (tree);
3593 extern void pop_lang_context (void);
3594 extern tree instantiate_type (tree, tree, tsubst_flags_t);
3595 extern void print_class_statistics (void);
3596 extern void cxx_print_statistics (void);
3597 extern void cxx_print_xnode (FILE *, tree, int);
3598 extern void cxx_print_decl (FILE *, tree, int);
3599 extern void cxx_print_type (FILE *, tree, int);
3600 extern void cxx_print_identifier (FILE *, tree, int);
3601 extern void cxx_print_error_function (struct diagnostic_context *,
3603 extern void build_self_reference (void);
3604 extern int same_signature_p (tree, tree);
3605 extern void warn_hidden (tree);
3606 extern void maybe_add_class_template_decl_list (tree, tree, int);
3607 extern tree get_enclosing_class (tree);
3608 extern void unreverse_member_declarations (tree);
3609 extern void invalidate_class_lookup_cache (void);
3610 extern void maybe_note_name_used_in_class (tree, tree);
3611 extern void note_name_declared_in_class (tree, tree);
3612 extern tree get_vtbl_decl_for_binfo (tree);
3613 extern tree get_vtt_name (tree);
3614 extern tree get_primary_binfo (tree);
3615 extern void debug_class (tree);
3616 extern void debug_thunks (tree);
3617 extern tree cp_fold_obj_type_ref (tree, tree);
3620 extern tree convert_to_reference (tree, tree, int, int, tree);
3621 extern tree convert_from_reference (tree);
3622 extern tree convert_lvalue (tree, tree);
3623 extern tree force_rvalue (tree);
3624 extern tree ocp_convert (tree, tree, int, int);
3625 extern tree cp_convert (tree, tree);
3626 extern tree convert_to_void (tree, const char */*implicit context*/);
3627 extern tree convert_force (tree, tree, int);
3628 extern tree build_type_conversion (tree, tree);
3629 extern tree build_expr_type_conversion (int, tree, bool);
3630 extern tree type_promotes_to (tree);
3631 extern tree perform_qualification_conversions (tree, tree);
3632 extern void clone_function_decl (tree, int);
3633 extern void adjust_clone_args (tree);
3636 extern tree poplevel (int, int, int);
3637 extern void insert_block (tree);
3638 extern tree pushdecl (tree);
3639 extern void cxx_init_decl_processing (void);
3640 enum cp_tree_node_structure_enum cp_tree_node_structure
3641 (union lang_tree_node *);
3642 extern bool cxx_mark_addressable (tree);
3643 extern void cxx_push_function_context (struct function *);
3644 extern void cxx_pop_function_context (struct function *);
3645 extern void cxx_mark_function_context (struct function *);
3646 extern void maybe_push_cleanup_level (tree);
3647 extern void finish_scope (void);
3648 extern void delete_block (tree);
3649 extern void add_block_current_level (tree);
3650 extern void push_switch (tree);
3651 extern void pop_switch (void);
3652 extern void pushtag (tree, tree, int);
3653 extern tree make_anon_name (void);
3654 extern void clear_anon_tags (void);
3655 extern int decls_match (tree, tree);
3656 extern tree duplicate_decls (tree, tree);
3657 extern tree pushdecl_top_level (tree);
3658 extern tree pushdecl_top_level_and_finish (tree, tree);
3659 extern tree push_using_decl (tree, tree);
3660 extern tree declare_local_label (tree);
3661 extern tree define_label (location_t, tree);
3662 extern void check_goto (tree);
3663 extern void define_case_label (void);
3664 extern tree make_typename_type (tree, tree, tsubst_flags_t);
3665 extern tree make_unbound_class_template (tree, tree, tsubst_flags_t);
3666 extern tree check_for_out_of_scope_variable (tree);
3667 extern tree build_library_fn (tree, tree);
3668 extern tree build_library_fn_ptr (const char *, tree);
3669 extern tree build_cp_library_fn_ptr (const char *, tree);
3670 extern tree push_library_fn (tree, tree);
3671 extern tree push_void_library_fn (tree, tree);
3672 extern tree push_throw_library_fn (tree, tree);
3673 extern int init_type_desc (void);
3674 extern tree check_tag_decl (cp_decl_specifier_seq *);
3675 extern tree shadow_tag (cp_decl_specifier_seq *);
3676 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *);
3677 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree);
3678 extern void start_decl_1 (tree);
3679 extern void cp_finish_decl (tree, tree, tree, int);
3680 extern void finish_decl (tree, tree, tree);
3681 extern int complete_array_type (tree, tree, int);
3682 extern tree build_ptrmemfunc_type (tree);
3683 extern tree build_ptrmem_type (tree, tree);
3684 /* the grokdeclarator prototype is in decl.h */
3685 extern int copy_fn_p (tree);
3686 extern tree get_scope_of_declarator (const cp_declarator *);
3687 extern void grok_special_member_properties (tree);
3688 extern int grok_ctor_properties (tree, tree);
3689 extern bool grok_op_properties (tree, int, bool);
3690 extern tree xref_tag (enum tag_types, tree, bool, bool);
3691 extern tree xref_tag_from_type (tree, tree, int);
3692 extern void xref_basetypes (tree, tree);
3693 extern tree start_enum (tree);
3694 extern void finish_enum (tree);
3695 extern void build_enumerator (tree, tree, tree);
3696 extern void start_preparsed_function (tree, tree, int);
3697 extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree);
3698 extern tree begin_function_body (void);
3699 extern void finish_function_body (tree);
3700 extern tree finish_function (int);
3701 extern tree start_method (cp_decl_specifier_seq *, const cp_declarator *, tree);
3702 extern tree finish_method (tree);
3703 extern void maybe_register_incomplete_var (tree);
3704 extern void complete_vars (tree);
3705 extern void finish_stmt (void);
3706 extern void print_other_binding_stack (struct cp_binding_level *);
3707 extern void revert_static_member_fn (tree);
3708 extern void fixup_anonymous_aggr (tree);
3709 extern int check_static_variable_definition (tree, tree);
3710 extern tree compute_array_index_type (tree, tree);
3711 extern tree check_default_argument (tree, tree);
3712 extern int vtable_decl_p (tree, void *);
3713 extern int vtype_decl_p (tree, void *);
3714 extern int sigtable_decl_p (tree, void *);
3715 typedef bool (*walk_globals_pred) (tree, void *);
3716 typedef bool (*walk_globals_fn) (tree *, void *);
3717 extern bool walk_globals (walk_globals_pred, walk_globals_fn, void *);
3718 extern bool walk_vtables (walk_globals_pred, walk_globals_fn, void *);
3719 typedef int (*walk_namespaces_fn) (tree, void *);
3720 extern int walk_namespaces (walk_namespaces_fn,
3722 extern int wrapup_globals_for_namespace (tree, void *);
3723 extern tree create_implicit_typedef (tree, tree);
3724 extern tree maybe_push_decl (tree);
3725 extern tree force_target_expr (tree, tree);
3726 extern tree build_target_expr_with_type (tree, tree);
3727 extern int local_variable_p (tree);
3728 extern int nonstatic_local_decl_p (tree);
3729 extern tree declare_global_var (tree, tree);
3730 extern void register_dtor_fn (tree);
3731 extern tmpl_spec_kind current_tmpl_spec_kind (int);
3732 extern tree cp_fname_init (const char *, tree *);
3733 extern tree builtin_function (const char *, tree, int, enum built_in_class,
3734 const char *, tree);
3735 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
3736 extern void warn_extern_redeclared_static (tree, tree);
3737 extern bool cp_missing_noreturn_ok_p (tree);
3739 extern bool have_extern_spec;
3742 extern bool check_java_method (tree);
3743 extern cp_cv_quals grok_method_quals (tree, tree, cp_cv_quals);
3744 extern void maybe_retrofit_in_chrg (tree);
3745 extern void maybe_make_one_only (tree);
3746 extern void grokclassfn (tree, tree, enum overload_flags, cp_cv_quals);
3747 extern tree grok_array_decl (tree, tree);
3748 extern tree delete_sanity (tree, tree, bool, int);
3749 extern tree check_classfn (tree, tree, tree);
3750 extern void check_member_template (tree);
3751 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *, tree, tree, tree);
3752 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *, tree);
3753 extern tree groktypefield (tree, tree);
3754 extern void cplus_decl_attributes (tree *, tree, int);
3755 extern void finish_anon_union (tree);
3756 extern tree finish_table (tree, tree, tree, int);
3757 extern tree coerce_new_type (tree);
3758 extern tree coerce_delete_type (tree);
3759 extern void comdat_linkage (tree);
3760 extern void import_export_vtable (tree, tree, int);
3761 extern void import_export_decl (tree);
3762 extern void import_export_tinfo (tree, tree, bool);
3763 extern tree build_cleanup (tree);
3764 extern tree build_offset_ref_call_from_tree (tree, tree);
3765 extern void check_default_args (tree);
3766 extern void mark_used (tree);
3767 extern void finish_static_data_member_decl (tree, tree, tree, int);
3768 extern tree cp_build_parm_decl (tree, tree);
3769 extern tree build_artificial_parm (tree, tree);
3770 extern tree get_guard (tree);
3771 extern tree get_guard_cond (tree);
3772 extern tree set_guard (tree);
3773 extern tree cxx_callgraph_analyze_expr (tree *, int *, tree);
3775 /* XXX Not i18n clean. */
3776 #define cp_deprecated(STR) \
3778 if (warn_deprecated) \
3779 warning ("%s is deprecated, please see the documentation for details", \
3784 extern void init_error (void);
3785 extern const char *type_as_string (tree, int);
3786 extern const char *decl_as_string (tree, int);
3787 extern const char *expr_as_string (tree, int);
3788 extern const char *context_as_string (tree, int);
3789 extern const char *lang_decl_name (tree, int);
3790 extern const char *language_to_string (enum languages);
3791 extern void print_instantiation_context (void);
3794 extern void init_exception_processing (void);
3795 extern tree expand_start_catch_block (tree);
3796 extern void expand_end_catch_block (void);
3797 extern void expand_builtin_throw (void);
3798 extern void expand_exception_blocks (void);
3799 extern tree build_exc_ptr (void);
3800 extern tree build_throw (tree);
3801 extern void mark_all_runtime_matches (void);
3802 extern int nothrow_libfn_p (tree);
3803 extern void check_handlers (tree);
3804 extern void choose_personality_routine (enum languages);
3805 extern tree eh_type_info (tree);
3808 extern rtx cxx_expand_expr (tree, rtx,
3811 extern tree cplus_expand_constant (tree);
3814 extern int is_friend (tree, tree);
3815 extern void make_friend_class (tree, tree, bool);
3816 extern void add_friend (tree, tree, bool);
3817 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, cp_cv_quals, int);
3820 extern tree expand_member_init (tree);
3821 extern void emit_mem_initializers (tree);
3822 extern tree build_aggr_init (tree, tree, int);
3823 extern tree build_init (tree, tree, int);
3824 extern int is_aggr_type (tree, int);
3825 extern tree get_type_value (tree);
3826 extern tree build_zero_init (tree, tree, bool);
3827 extern tree build_offset_ref (tree, tree, bool);
3828 extern tree build_new (tree, tree, tree, tree, int);
3829 extern tree build_vec_init (tree, tree, tree, int);
3830 extern tree build_x_delete (tree, int, tree);
3831 extern tree build_delete (tree, tree, special_function_kind, int, int);
3832 extern void push_base_cleanups (void);
3833 extern tree build_vbase_delete (tree, tree);
3834 extern tree build_vec_delete (tree, tree, special_function_kind, int);
3835 extern tree create_temporary_var (tree);
3836 extern void initialize_vtbl_ptrs (tree);
3837 extern tree build_java_class_ref (tree);
3840 extern void cxx_dup_lang_specific_decl (tree);
3841 extern void print_parse_statistics (void);
3842 extern void do_pending_inlines (void);
3843 extern void yyungetc (int, int);
3844 extern void snarf_method (tree);
3846 extern void see_typename (void);
3847 extern tree unqualified_name_lookup_error (tree);
3848 extern tree unqualified_fn_lookup_error (tree);
3849 extern tree build_lang_decl (enum tree_code, tree, tree);
3850 extern void retrofit_lang_decl (tree);
3851 extern tree copy_decl (tree);
3852 extern tree copy_type (tree);
3853 extern tree cxx_make_type (enum tree_code);
3854 extern tree make_aggr_type (enum tree_code);
3855 extern void yyerror (const char *);
3856 extern void yyhook (int);
3857 extern int cp_type_qual_from_rid (tree);
3858 extern bool cxx_init (void);
3859 extern void cxx_finish (void);
3862 extern void init_method (void);
3863 extern tree make_thunk (tree, bool, tree, tree);
3864 extern void finish_thunk (tree);
3865 extern void use_thunk (tree, bool);
3866 extern void synthesize_method (tree);
3867 extern tree implicitly_declare_fn (special_function_kind, tree, bool);
3868 extern tree lazily_declare_fn (special_function_kind, tree);
3869 extern tree skip_artificial_parms_for (tree, tree);
3872 extern bool maybe_clone_body (tree);
3875 extern void check_template_shadow (tree);
3876 extern tree get_innermost_template_args (tree, int);
3877 extern void maybe_begin_member_template_processing (tree);
3878 extern void maybe_end_member_template_processing (void);
3879 extern tree finish_member_template_decl (tree);
3880 extern void begin_template_parm_list (void);
3881 extern void begin_specialization (void);
3882 extern void reset_specialization (void);
3883 extern void end_specialization (void);
3884 extern void begin_explicit_instantiation (void);
3885 extern void end_explicit_instantiation (void);
3886 extern tree check_explicit_specialization (tree, tree, int, int);
3887 extern tree process_template_parm (tree, tree, bool);
3888 extern tree end_template_parm_list (tree);
3889 extern void end_template_decl (void);
3890 extern tree current_template_args (void);
3891 extern tree push_template_decl (tree);
3892 extern tree push_template_decl_real (tree, int);
3893 extern void redeclare_class_template (tree, tree);
3894 extern tree lookup_template_class (tree, tree, tree, tree, int, tsubst_flags_t);
3895 extern tree lookup_template_function (tree, tree);
3896 extern int uses_template_parms (tree);
3897 extern int uses_template_parms_level (tree, int);
3898 extern tree instantiate_class_template (tree);
3899 extern tree instantiate_template (tree, tree, tsubst_flags_t);
3900 extern int fn_type_unification (tree, tree, tree, tree, tree, unification_kind_t, int);
3901 extern tree tinst_for_decl (void);
3902 extern void mark_decl_instantiated (tree, int);
3903 extern int more_specialized (tree, tree, int, int);
3904 extern void mark_class_instantiated (tree, int);
3905 extern void do_decl_instantiation (tree, tree);
3906 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
3907 extern tree instantiate_decl (tree, int, int);
3908 extern int push_tinst_level (tree);
3909 extern void pop_tinst_level (void);
3910 extern int more_specialized_class (tree, tree, tree);
3911 extern int is_member_template (tree);
3912 extern int comp_template_parms (tree, tree);
3913 extern int template_class_depth (tree);
3914 extern int is_specialization_of (tree, tree);
3915 extern bool is_specialization_of_friend (tree, tree);
3916 extern int comp_template_args (tree, tree);
3917 extern void maybe_process_partial_specialization (tree);
3918 extern void maybe_check_template_type (tree);
3919 extern tree most_specialized_instantiation (tree);
3920 extern void print_candidates (tree);
3921 extern int instantiate_pending_templates (void);
3922 extern tree tsubst_default_argument (tree, tree, tree);
3923 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t, tree, bool);
3924 extern tree most_general_template (tree);
3925 extern tree get_mostly_instantiated_function_type (tree);
3926 extern int problematic_instantiation_changed (void);
3927 extern void record_last_problematic_instantiation (void);
3928 extern tree current_instantiation (void);
3929 extern tree maybe_get_template_decl_from_type_decl (tree);
3930 extern int processing_template_parmlist;
3931 extern bool dependent_type_p (tree);
3932 extern bool any_dependent_template_arguments_p (tree);
3933 extern bool dependent_template_p (tree);
3934 extern bool dependent_template_id_p (tree, tree);
3935 extern bool type_dependent_expression_p (tree);
3936 extern bool any_type_dependent_arguments_p (tree);
3937 extern bool value_dependent_expression_p (tree);
3938 extern tree resolve_typename_type (tree, bool);
3939 extern tree template_for_substitution (tree);
3940 extern tree build_non_dependent_expr (tree);
3941 extern tree build_non_dependent_args (tree);
3942 extern bool reregister_specialization (tree, tree, tree);
3943 extern tree fold_non_dependent_expr (tree);
3946 extern void repo_template_used (tree);
3947 extern void repo_template_instantiated (tree, bool);
3948 extern void init_repo (const char *);
3949 extern void finish_repo (void);
3952 /* A varray of all tinfo decls that haven't been emitted yet. */
3953 extern GTY(()) varray_type unemitted_tinfo_decls;
3955 extern void init_rtti_processing (void);
3956 extern tree build_typeid (tree);
3957 extern tree get_tinfo_decl (tree);
3958 extern tree get_typeid (tree);
3959 extern tree build_dynamic_cast (tree, tree);
3960 extern void emit_support_tinfos (void);
3961 extern bool emit_tinfo_decl (tree);
3964 extern bool accessible_base_p (tree, tree);
3965 extern tree lookup_base (tree, tree, base_access, base_kind *);
3966 extern int types_overlap_p (tree, tree);
3967 extern tree get_dynamic_cast_base_type (tree, tree);
3968 extern int accessible_p (tree, tree);
3969 extern tree lookup_field_1 (tree, tree, bool);
3970 extern tree lookup_field (tree, tree, int, bool);
3971 extern int lookup_fnfields_1 (tree, tree);
3972 extern tree lookup_fnfields (tree, tree, int);
3973 extern tree lookup_member (tree, tree, int, bool);
3974 extern int look_for_overrides (tree, tree);
3975 extern void get_pure_virtuals (tree);
3976 extern void maybe_suppress_debug_info (tree);
3977 extern void note_debug_info_needed (tree);
3978 extern void print_search_statistics (void);
3979 extern void reinit_search_statistics (void);
3980 extern tree current_scope (void);
3981 extern int at_function_scope_p (void);
3982 extern bool at_class_scope_p (void);
3983 extern bool at_namespace_scope_p (void);
3984 extern tree context_for_name_lookup (tree);
3985 extern tree lookup_conversions (tree);
3986 extern tree binfo_for_vtable (tree);
3987 extern tree binfo_from_vbase (tree);
3988 extern tree binfo_for_vbase (tree, tree);
3989 extern tree look_for_overrides_here (tree, tree);
3990 extern int check_final_overrider (tree, tree);
3991 extern tree dfs_walk (tree,
3992 tree (*) (tree, void *),
3993 tree (*) (tree, int, void *),
3995 extern tree dfs_walk_real (tree,
3996 tree (*) (tree, void *),
3997 tree (*) (tree, void *),
3998 tree (*) (tree, int, void *),
4000 extern tree dfs_unmark (tree, void *);
4001 extern tree markedp (tree, int, void *);
4002 extern tree unmarkedp (tree, int, void *);
4003 extern tree binfo_via_virtual (tree, tree);
4004 extern tree build_baselink (tree, tree, tree, tree);
4005 extern tree adjust_result_of_qualified_name_lookup
4007 extern tree copied_binfo (tree, tree);
4008 extern tree original_binfo (tree, tree);
4010 /* in semantics.c */
4011 extern void push_deferring_access_checks (deferring_kind);
4012 extern void resume_deferring_access_checks (void);
4013 extern void stop_deferring_access_checks (void);
4014 extern void pop_deferring_access_checks (void);
4015 extern tree get_deferred_access_checks (void);
4016 extern void pop_to_parent_deferring_access_checks (void);
4017 extern void perform_deferred_access_checks (void);
4018 extern void perform_or_defer_access_check (tree, tree);
4019 extern void init_cp_semantics (void);
4020 extern void add_decl_expr (tree);
4021 extern tree finish_expr_stmt (tree);
4022 extern tree begin_if_stmt (void);
4023 extern void finish_if_stmt_cond (tree, tree);
4024 extern tree finish_then_clause (tree);
4025 extern void begin_else_clause (tree);
4026 extern void finish_else_clause (tree);
4027 extern void finish_if_stmt (tree);
4028 extern tree begin_while_stmt (void);
4029 extern void finish_while_stmt_cond (tree, tree);
4030 extern void finish_while_stmt (tree);
4031 extern tree begin_do_stmt (void);
4032 extern void finish_do_body (tree);
4033 extern void finish_do_stmt (tree, tree);
4034 extern tree finish_return_stmt (tree);
4035 extern tree begin_for_stmt (void);
4036 extern void finish_for_init_stmt (tree);
4037 extern void finish_for_cond (tree, tree);
4038 extern void finish_for_expr (tree, tree);
4039 extern void finish_for_stmt (tree);
4040 extern tree finish_break_stmt (void);
4041 extern tree finish_continue_stmt (void);
4042 extern tree begin_switch_stmt (void);
4043 extern void finish_switch_cond (tree, tree);
4044 extern void finish_switch_stmt (tree);
4045 extern tree finish_case_label (tree, tree);
4046 extern tree finish_goto_stmt (tree);
4047 extern tree begin_try_block (void);
4048 extern void finish_try_block (tree);
4049 extern tree begin_eh_spec_block (void);
4050 extern void finish_eh_spec_block (tree, tree);
4051 extern void finish_handler_sequence (tree);
4052 extern tree begin_function_try_block (void);
4053 extern void finish_function_try_block (tree);
4054 extern void finish_function_handler_sequence (tree);
4055 extern void finish_cleanup_try_block (tree);
4056 extern tree begin_handler (void);
4057 extern void finish_handler_parms (tree, tree);
4058 extern void begin_catch_block (tree);
4059 extern void finish_handler (tree);
4060 extern void finish_cleanup (tree, tree);
4067 extern tree begin_compound_stmt (unsigned int);
4069 extern void finish_compound_stmt (tree);
4070 extern tree finish_asm_stmt (int, tree, tree, tree, tree);
4071 extern tree finish_label_stmt (tree);
4072 extern void finish_label_decl (tree);
4073 extern void finish_subobject (tree);
4074 extern tree finish_parenthesized_expr (tree);
4075 extern tree finish_non_static_data_member (tree, tree, tree);
4076 extern tree begin_stmt_expr (void);
4077 extern tree finish_stmt_expr_expr (tree, tree);
4078 extern tree finish_stmt_expr (tree, bool);
4079 extern tree perform_koenig_lookup (tree, tree);
4080 extern tree finish_call_expr (tree, tree, bool, bool);
4081 extern tree finish_increment_expr (tree, enum tree_code);
4082 extern tree finish_this_expr (void);
4083 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
4084 extern tree finish_unary_op_expr (enum tree_code, tree);
4085 extern tree finish_compound_literal (tree, tree);
4086 extern tree finish_fname (tree);
4087 extern void finish_translation_unit (void);
4088 extern tree finish_template_type_parm (tree, tree);
4089 extern tree finish_template_template_parm (tree, tree);
4090 extern tree begin_class_definition (tree);
4091 extern void finish_default_args (void);
4092 extern void finish_template_decl (tree);
4093 extern tree finish_template_type (tree, tree, int);
4094 extern tree finish_base_specifier (tree, tree, bool);
4095 extern void finish_member_declaration (tree);
4096 extern void check_multiple_declarators (void);
4097 extern void qualified_name_lookup_error (tree, tree);
4098 extern tree finish_id_expression (tree, tree, tree,
4099 cp_id_kind *, tree *,
4102 extern tree finish_typeof (tree);
4103 extern void finish_decl_cleanup (tree, tree);
4104 extern void finish_eh_cleanup (tree);
4105 extern void expand_body (tree);
4106 extern void cxx_expand_function_start (void);
4107 extern void finish_mem_initializers (tree);
4108 extern void setup_vtbl_ptr (tree, tree);
4109 extern void clear_out_block (void);
4110 extern tree check_template_template_default_arg (tree);
4111 extern void expand_or_defer_fn (tree);
4112 extern void check_accessibility_of_qualified_id (tree, tree, tree);
4113 extern tree finish_qualified_id_expr (tree, tree, bool, bool);
4114 extern void simplify_aggr_init_expr (tree *);
4115 extern void finalize_nrv (tree *, tree, tree);
4118 extern void lang_check_failed (const char *, int,
4120 extern tree stabilize_expr (tree, tree *);
4121 extern void stabilize_call (tree, tree *);
4122 extern bool stabilize_init (tree, tree *);
4123 extern tree cxx_unsave_expr_now (tree);
4124 extern tree cxx_maybe_build_cleanup (tree);
4125 extern void init_tree (void);
4126 extern int pod_type_p (tree);
4127 extern int zero_init_p (tree);
4128 extern tree canonical_type_variant (tree);
4129 extern tree copy_binfo (tree, tree, tree,
4131 extern int member_p (tree);
4132 extern cp_lvalue_kind real_lvalue_p (tree);
4133 extern int lvalue_or_else (tree, const char *);
4134 extern tree build_min (enum tree_code, tree, ...);
4135 extern tree build_min_nt (enum tree_code, ...);
4136 extern tree build_min_non_dep (enum tree_code, tree, ...);
4137 extern tree build_cplus_new (tree, tree);
4138 extern tree get_target_expr (tree);
4139 extern tree build_cplus_staticfn_type (tree, tree, tree);
4140 extern tree build_cplus_array_type (tree, tree);
4141 extern tree hash_tree_cons (tree, tree, tree);
4142 extern tree hash_tree_chain (tree, tree);
4143 extern tree hash_chainon (tree, tree);
4144 extern int count_functions (tree);
4145 extern int is_overloaded_fn (tree);
4146 extern tree get_first_fn (tree);
4147 extern int bound_pmf_p (tree);
4148 extern tree ovl_cons (tree, tree);
4149 extern tree build_overload (tree, tree);
4150 extern tree function_arg_chain (tree);
4151 extern int promotes_to_aggr_type (tree, enum tree_code);
4152 extern const char *cxx_printable_name (tree, int);
4153 extern tree build_exception_variant (tree, tree);
4154 extern tree bind_template_template_parm (tree, tree);
4155 extern tree array_type_nelts_total (tree);
4156 extern tree array_type_nelts_top (tree);
4157 extern tree break_out_target_exprs (tree);
4158 extern tree get_type_decl (tree);
4159 extern tree decl_namespace_context (tree);
4160 extern tree lvalue_type (tree);
4161 extern tree error_type (tree);
4162 extern int varargs_function_p (tree);
4163 extern int really_overloaded_fn (tree);
4164 extern bool cp_tree_equal (tree, tree);
4165 extern tree no_linkage_check (tree);
4166 extern void debug_binfo (tree);
4167 extern tree build_dummy_object (tree);
4168 extern tree maybe_dummy_object (tree, tree *);
4169 extern int is_dummy_object (tree);
4170 extern const struct attribute_spec cxx_attribute_table[];
4171 extern tree make_ptrmem_cst (tree, tree);
4172 extern tree cp_build_type_attribute_variant (tree, tree);
4173 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
4174 #define cp_build_qualified_type(TYPE, QUALS) \
4175 cp_build_qualified_type_real ((TYPE), (QUALS), tf_error | tf_warning)
4176 extern tree build_shared_int_cst (int);
4177 extern special_function_kind special_function_p (tree);
4178 extern bool name_p (tree);
4179 extern int count_trees (tree);
4180 extern int char_type_p (tree);
4181 extern void verify_stmt_tree (tree);
4182 extern tree find_tree (tree, tree);
4183 extern linkage_kind decl_linkage (tree);
4184 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
4186 extern int cp_cannot_inline_tree_fn (tree*);
4187 extern tree cp_add_pending_fn_decls (void*,tree);
4188 extern int cp_is_overload_p (tree);
4189 extern int cp_auto_var_in_fn_p (tree,tree);
4190 extern void cp_update_decl_after_saving (tree, void *);
4193 extern int string_conv_p (tree, tree, int);
4194 extern tree cp_truthvalue_conversion (tree);
4195 extern tree condition_conversion (tree);
4196 extern tree target_type (tree);
4197 extern tree require_complete_type (tree);
4198 extern tree complete_type (tree);
4199 extern tree complete_type_or_diagnostic (tree, tree, int);
4200 #define complete_type_or_else(T,V) (complete_type_or_diagnostic ((T), (V), 0))
4201 extern int type_unknown_p (tree);
4202 extern tree commonparms (tree, tree);
4203 extern tree original_type (tree);
4204 extern bool comp_except_specs (tree, tree, bool);
4205 extern bool comptypes (tree, tree, int);
4206 extern bool compparms (tree, tree);
4207 extern int comp_cv_qualification (tree, tree);
4208 extern int comp_cv_qual_signature (tree, tree);
4209 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code);
4210 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
4211 #define cxx_sizeof_nowarn(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, false)
4212 extern tree inline_conversion (tree);
4213 extern tree decay_conversion (tree);
4214 extern tree perform_integral_promotions (tree);
4215 extern tree build_class_member_access_expr (tree, tree, tree, bool);
4216 extern tree finish_class_member_access_expr (tree, tree);
4217 extern tree build_x_indirect_ref (tree, const char *);
4218 extern tree build_indirect_ref (tree, const char *);
4219 extern tree build_array_ref (tree, tree);
4220 extern tree get_member_function_from_ptrfunc (tree *, tree);
4221 extern tree convert_arguments (tree, tree, tree, int);
4222 extern tree build_x_binary_op (enum tree_code, tree, tree,
4224 extern tree build_x_unary_op (enum tree_code, tree);
4225 extern tree unary_complex_lvalue (enum tree_code, tree);
4226 extern tree build_x_conditional_expr (tree, tree, tree);
4227 extern tree build_x_compound_expr_from_list (tree, const char *);
4228 extern tree build_x_compound_expr (tree, tree);
4229 extern tree build_compound_expr (tree, tree);
4230 extern tree build_static_cast (tree, tree);
4231 extern tree build_reinterpret_cast (tree, tree);
4232 extern tree build_const_cast (tree, tree);
4233 extern tree build_c_cast (tree, tree);
4234 extern tree build_x_modify_expr (tree, enum tree_code, tree);
4235 extern tree build_modify_expr (tree, enum tree_code, tree);
4236 extern tree dubious_conversion_warnings (tree, tree, const char *, tree, int);
4237 extern tree convert_for_initialization (tree, tree, tree, int, const char *, tree, int);
4238 extern int comp_ptr_ttypes (tree, tree);
4239 extern int ptr_reasonably_similar (tree, tree);
4240 extern tree build_ptrmemfunc (tree, tree, int);
4241 extern int cp_type_quals (tree);
4242 extern bool cp_has_mutable_p (tree);
4243 extern bool at_least_as_qualified_p (tree, tree);
4244 extern bool more_qualified_p (tree, tree);
4245 extern tree build_ptrmemfunc1 (tree, tree, tree);
4246 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
4247 extern tree pfn_from_ptrmemfunc (tree);
4248 extern tree type_after_usual_arithmetic_conversions (tree, tree);
4249 extern tree composite_pointer_type (tree, tree, tree, tree,
4251 extern tree merge_types (tree, tree);
4252 extern tree check_return_expr (tree);
4253 #define cp_build_binary_op(code, arg1, arg2) \
4254 build_binary_op(code, arg1, arg2, 1)
4255 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
4256 #define cxx_alignof(T) cxx_sizeof_or_alignof_type (T, ALIGNOF_EXPR, true)
4257 extern tree build_ptrmemfunc_access_expr (tree, tree);
4258 extern tree build_address (tree);
4259 extern tree build_nop (tree, tree);
4260 extern tree non_reference (tree);
4261 extern tree lookup_anon_field (tree, tree);
4262 extern bool invalid_nonstatic_memfn_p (tree);
4265 extern void require_complete_eh_spec_types (tree, tree);
4266 extern void cxx_incomplete_type_diagnostic (tree, tree, int);
4267 #undef cxx_incomplete_type_error
4268 extern void cxx_incomplete_type_error (tree, tree);
4269 #define cxx_incomplete_type_error(V,T) \
4270 (cxx_incomplete_type_diagnostic ((V), (T), 0))
4271 extern tree error_not_base_type (tree, tree);
4272 extern tree binfo_or_else (tree, tree);
4273 extern void readonly_error (tree, const char *, int);
4274 extern void complete_type_check_abstract (tree);
4275 extern int abstract_virtuals_error (tree, tree);
4277 extern tree store_init_value (tree, tree);
4278 extern tree digest_init (tree, tree, tree *);
4279 extern tree build_scoped_ref (tree, tree, tree *);
4280 extern tree build_x_arrow (tree);
4281 extern tree build_m_component_ref (tree, tree);
4282 extern tree build_functional_cast (tree, tree);
4283 extern tree add_exception_specifier (tree, tree, int);
4284 extern tree merge_exception_specifiers (tree, tree);
4287 extern void init_mangle (void);
4288 extern void mangle_decl (tree);
4289 extern const char *mangle_type_string (tree);
4290 extern tree mangle_type (tree);
4291 extern tree mangle_typeinfo_for_type (tree);
4292 extern tree mangle_typeinfo_string_for_type (tree);
4293 extern tree mangle_vtbl_for_type (tree);
4294 extern tree mangle_vtt_for_type (tree);
4295 extern tree mangle_ctor_vtbl_for_type (tree, tree);
4296 extern tree mangle_thunk (tree, int, tree, tree);
4297 extern tree mangle_conv_op_name_for_type (tree);
4298 extern tree mangle_guard_variable (tree);
4299 extern tree mangle_ref_init_variable (tree);
4302 extern bool cp_dump_tree (void *, tree);
4304 /* in cp-simplify.c */
4305 extern int cp_gimplify_expr (tree *, tree *, tree *);
4306 extern void cp_genericize (tree);
4310 /* In order for the format checking to accept the C++ frontend
4311 diagnostic framework extensions, you must include this file before
4312 toplev.h, not after. */
4313 #define GCC_DIAG_STYLE __gcc_cxxdiag__
4314 #if GCC_VERSION >= 3004
4315 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
4317 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
4320 extern void cp_error_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4321 extern void cp_warning_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4322 extern void cp_pedwarn_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4324 #endif /* ! GCC_CP_TREE_H */