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;
174 tree class_template_info;
178 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
179 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
180 and C_RID_YYCODE is the token number wanted by Yacc. */
182 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
184 #define LANG_IDENTIFIER_CAST(NODE) \
185 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
187 typedef struct template_parm_index_s GTY(())
189 struct tree_common common;
192 HOST_WIDE_INT orig_level;
194 } template_parm_index;
196 struct ptrmem_cst GTY(())
198 struct tree_common common;
199 /* This isn't used, but the middle-end expects all constants to have
204 typedef struct ptrmem_cst * ptrmem_cst_t;
206 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
207 namespace_binding ((NODE), global_namespace)
208 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
209 set_namespace_binding ((NODE), global_namespace, (VAL))
210 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
211 namespace_binding ((NODE), current_namespace)
212 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
213 set_namespace_binding ((NODE), current_namespace, (VAL))
215 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
217 #define BIND_EXPR_TRY_BLOCK(NODE) \
218 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
220 /* Used to mark the block around the member initializers and cleanups. */
221 #define BIND_EXPR_BODY_BLOCK(NODE) \
222 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
224 #define STATEMENT_LIST_NO_SCOPE(NODE) \
225 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
226 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
227 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
229 /* Marks the result of a statement expression. */
230 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
231 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
233 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
235 #define same_type_p(TYPE1, TYPE2) \
236 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
238 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
239 top-level qualifiers. */
240 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
241 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
243 /* Nonzero if we are presently building a statement tree, rather
244 than expanding each statement as we encounter it. */
245 #define building_stmt_tree() (cur_stmt_list != NULL_TREE)
247 /* Returns nonzero iff NODE is a declaration for the global function
249 #define DECL_MAIN_P(NODE) \
250 (DECL_EXTERN_C_FUNCTION_P (NODE) \
251 && DECL_NAME (NODE) != NULL_TREE \
252 && MAIN_NAME_P (DECL_NAME (NODE)))
254 /* The overloaded FUNCTION_DECL. */
255 #define OVL_FUNCTION(NODE) \
256 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
257 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
258 /* Polymorphic access to FUNCTION and CHAIN. */
259 #define OVL_CURRENT(NODE) \
260 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
261 #define OVL_NEXT(NODE) \
262 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
263 /* If set, this was imported in a using declaration.
264 This is not to confuse with being used somewhere, which
265 is not important for this node. */
266 #define OVL_USED(NODE) TREE_USED (NODE)
268 struct tree_overload GTY(())
270 struct tree_common common;
274 /* Returns true iff NODE is a BASELINK. */
275 #define BASELINK_P(NODE) \
276 (TREE_CODE (NODE) == BASELINK)
277 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
278 #define BASELINK_BINFO(NODE) \
279 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
280 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
281 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
282 #define BASELINK_FUNCTIONS(NODE) \
283 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
284 /* The BINFO in which the search for the functions indicated by this baselink
285 began. This base is used to determine the accessibility of functions
286 selected by overload resolution. */
287 #define BASELINK_ACCESS_BINFO(NODE) \
288 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
289 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
290 to which the conversion should occur. This value is important if
291 the BASELINK_FUNCTIONS include a template conversion operator --
292 the BASELINK_OPTYPE can be used to determine what type the user
294 #define BASELINK_OPTYPE(NODE) \
295 (TREE_CHAIN (BASELINK_CHECK (NODE)))
297 struct tree_baselink GTY(())
299 struct tree_common common;
305 /* The different kinds of ids that we ecounter. */
307 typedef enum cp_id_kind
309 /* Not an id at all. */
311 /* An unqualified-id that is not a template-id. */
312 CP_ID_KIND_UNQUALIFIED,
313 /* An unqualified-id that is a dependent name. */
314 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
315 /* An unqualified template-id. */
316 CP_ID_KIND_TEMPLATE_ID,
317 /* A qualified-id. */
321 /* Macros for access to language-specific slots in an identifier. */
323 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
324 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
325 #define IDENTIFIER_TEMPLATE(NODE) \
326 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
328 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
329 identifier. It's PREVIOUS is the next outermost binding. Each
330 VALUE field is a DECL for the associated declaration. Thus,
331 name lookup consists simply of pulling off the node at the front
332 of the list (modulo oddities for looking up the names of types,
333 and such.) You can use SCOPE field to determine the scope
334 that bound the name. */
335 #define IDENTIFIER_BINDING(NODE) \
336 (LANG_IDENTIFIER_CAST (NODE)->bindings)
338 /* The IDENTIFIER_VALUE is the value of the IDENTIFIER_BINDING, or
339 NULL_TREE if there is no binding. */
340 #define IDENTIFIER_VALUE(NODE) \
341 (IDENTIFIER_BINDING (NODE) ? IDENTIFIER_BINDING (NODE)->value : NULL)
343 /* If IDENTIFIER_CLASS_VALUE is set, then NODE is bound in the current
344 class, and IDENTIFIER_CLASS_VALUE is the value binding. This is
345 just a pointer to the VALUE field of one of the bindings in the
346 IDENTIFIER_BINDINGs list, so any time that this is non-NULL so is
347 IDENTIFIER_BINDING. */
348 #define IDENTIFIER_CLASS_VALUE(NODE) \
349 (LANG_IDENTIFIER_CAST (NODE)->class_value)
351 /* TREE_TYPE only indicates on local and class scope the current
352 type. For namespace scope, the presence of a type in any namespace
353 is indicated with global_type_node, and the real type behind must
354 be found through lookup. */
355 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
356 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
357 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
358 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
360 #define IDENTIFIER_LABEL_VALUE(NODE) \
361 (LANG_IDENTIFIER_CAST (NODE)->label_value)
362 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
363 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
365 /* Nonzero if this identifier is used as a virtual function name somewhere
366 (optimizes searches). */
367 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
369 /* Nonzero if this identifier is the prefix for a mangled C++ operator
371 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
373 /* Nonzero if this identifier is the name of a type-conversion
375 #define IDENTIFIER_TYPENAME_P(NODE) \
376 TREE_LANG_FLAG_4 (NODE)
378 /* Nonzero if this identifier is the name of a constructor or
380 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
381 TREE_LANG_FLAG_3 (NODE)
383 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
384 #define C_TYPE_FIELDS_READONLY(TYPE) \
385 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
387 /* Store a value in that field. */
388 #define C_SET_EXP_ORIGINAL_CODE(EXP, CODE) \
389 (TREE_COMPLEXITY (EXP) = (int)(CODE))
391 /* The tokens stored in the default argument. */
393 #define DEFARG_TOKENS(NODE) \
394 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
396 struct tree_default_arg GTY (())
398 struct tree_common common;
399 struct cp_token_cache *tokens;
402 enum cp_tree_node_structure_enum {
415 /* The resulting tree type. */
416 union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"),
417 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
419 union tree_node GTY ((tag ("TS_CP_GENERIC"),
420 desc ("tree_node_structure (&%h)"))) generic;
421 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
422 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
423 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
424 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
425 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
426 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
433 CPTI_JAVA_SHORT_TYPE,
436 CPTI_JAVA_FLOAT_TYPE,
437 CPTI_JAVA_DOUBLE_TYPE,
439 CPTI_JAVA_BOOLEAN_TYPE,
442 CPTI_VTABLE_ENTRY_TYPE,
444 CPTI_VTABLE_INDEX_TYPE,
454 CPTI_CLASS_DESC_TYPE,
455 CPTI_SI_CLASS_DESC_TYPE,
456 CPTI_VMI_CLASS_DESC_TYPE,
467 CPTI_TYPE_INFO_PTR_TYPE,
468 CPTI_TYPE_INFO_REF_TYPE,
470 CPTI_GLOBAL_DELETE_FNDECL,
473 CPTI_CTOR_IDENTIFIER,
474 CPTI_COMPLETE_CTOR_IDENTIFIER,
475 CPTI_BASE_CTOR_IDENTIFIER,
476 CPTI_DTOR_IDENTIFIER,
477 CPTI_COMPLETE_DTOR_IDENTIFIER,
478 CPTI_BASE_DTOR_IDENTIFIER,
479 CPTI_DELETING_DTOR_IDENTIFIER,
480 CPTI_DELTA_IDENTIFIER,
481 CPTI_IN_CHARGE_IDENTIFIER,
482 CPTI_VTT_PARM_IDENTIFIER,
483 CPTI_NELTS_IDENTIFIER,
484 CPTI_THIS_IDENTIFIER,
486 CPTI_VPTR_IDENTIFIER,
490 CPTI_LANG_NAME_CPLUSPLUS,
493 CPTI_EMPTY_EXCEPT_SPEC,
497 CPTI_CALL_UNEXPECTED,
507 extern GTY(()) tree cp_global_trees[CPTI_MAX];
509 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
510 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
511 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
512 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
513 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
514 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
515 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
516 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
518 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
519 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
520 /* The type used to represent an offset by which to adjust the `this'
521 pointer in pointer-to-member types. */
522 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
523 /* The type used to represent an index into the vtable. */
524 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
526 #define ti_desc_type_node cp_global_trees[CPTI_TI_DESC_TYPE]
527 #define bltn_desc_type_node cp_global_trees[CPTI_BLTN_DESC_TYPE]
528 #define ptr_desc_type_node cp_global_trees[CPTI_PTR_DESC_TYPE]
529 #define ary_desc_type_node cp_global_trees[CPTI_ARY_DESC_TYPE]
530 #define func_desc_type_node cp_global_trees[CPTI_FUNC_DESC_TYPE]
531 #define enum_desc_type_node cp_global_trees[CPTI_ENUM_DESC_TYPE]
532 #define class_desc_type_node cp_global_trees[CPTI_CLASS_DESC_TYPE]
533 #define si_class_desc_type_node cp_global_trees[CPTI_SI_CLASS_DESC_TYPE]
534 #define vmi_class_desc_type_node cp_global_trees[CPTI_VMI_CLASS_DESC_TYPE]
535 #define ptm_desc_type_node cp_global_trees[CPTI_PTM_DESC_TYPE]
536 #define base_desc_type_node cp_global_trees[CPTI_BASE_DESC_TYPE]
538 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
539 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
540 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
541 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
542 #define std_node cp_global_trees[CPTI_STD]
543 #define abi_node cp_global_trees[CPTI_ABI]
544 #define type_info_type_node cp_global_trees[CPTI_TYPE_INFO_TYPE]
545 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
546 #define type_info_ref_type cp_global_trees[CPTI_TYPE_INFO_REF_TYPE]
547 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
548 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
549 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
551 /* We cache these tree nodes so as to call get_identifier less
554 /* The name of a constructor that takes an in-charge parameter to
555 decide whether or not to construct virtual base classes. */
556 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
557 /* The name of a constructor that constructs virtual base classes. */
558 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
559 /* The name of a constructor that does not construct virtual base classes. */
560 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
561 /* The name of a destructor that takes an in-charge parameter to
562 decide whether or not to destroy virtual base classes and whether
563 or not to delete the object. */
564 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
565 /* The name of a destructor that destroys virtual base classes. */
566 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
567 /* The name of a destructor that does not destroy virtual base
569 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
570 /* The name of a destructor that destroys virtual base classes, and
571 then deletes the entire object. */
572 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
573 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
574 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
575 /* The name of the parameter that contains a pointer to the VTT to use
576 for this subobject constructor or destructor. */
577 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
578 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
579 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
580 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
581 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
582 /* The name of the std namespace. */
583 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
584 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
585 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
586 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
588 /* Exception specifier used for throw(). */
589 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
591 /* The node for `__null'. */
592 #define null_node cp_global_trees[CPTI_NULL]
594 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
595 #define jclass_node cp_global_trees[CPTI_JCLASS]
597 /* The declaration for `std::terminate'. */
598 #define terminate_node cp_global_trees[CPTI_TERMINATE]
600 /* The declaration for "__cxa_call_unexpected". */
601 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
603 /* A pointer to `std::atexit'. */
604 #define atexit_node cp_global_trees[CPTI_ATEXIT]
606 /* A pointer to `__dso_handle'. */
607 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
609 /* The declaration of the dynamic_cast runtime. */
610 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
612 /* The type of a destructor. */
613 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
615 /* The type of the vtt parameter passed to subobject constructors and
617 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
619 /* A TREE_LIST of the dynamic classes whose vtables may have to be
620 emitted in this translation unit. */
622 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
624 /* Node to indicate default access. This must be distinct from the
625 access nodes in tree.h. */
627 #define access_default_node null_node
631 struct saved_scope GTY(())
633 cxx_saved_binding *old_bindings;
638 tree access_specifier;
640 varray_type lang_base;
643 tree x_previous_class_type;
644 tree x_previous_class_values;
647 HOST_WIDE_INT x_processing_template_decl;
648 int x_processing_specialization;
649 bool x_processing_explicit_instantiation;
650 int need_pop_function_context;
652 struct stmt_tree_s x_stmt_tree;
654 struct cp_binding_level *class_bindings;
655 struct cp_binding_level *bindings;
657 struct saved_scope *prev;
660 /* The current open namespace. */
662 #define current_namespace scope_chain->old_namespace
664 /* The stack for namespaces of current declarations. */
666 #define decl_namespace_list scope_chain->decl_ns_list
668 /* IDENTIFIER_NODE: name of current class */
670 #define current_class_name scope_chain->class_name
672 /* _TYPE: the type of the current class */
674 #define current_class_type scope_chain->class_type
676 /* When parsing a class definition, the access specifier most recently
677 given by the user, or, if no access specifier was given, the
678 default value appropriate for the kind of class (i.e., struct,
681 #define current_access_specifier scope_chain->access_specifier
683 /* Pointer to the top of the language name stack. */
685 #define current_lang_base scope_chain->lang_base
686 #define current_lang_name scope_chain->lang_name
688 /* Parsing a function declarator leaves a list of parameter names
689 or a chain or parameter decls here. */
691 #define current_template_parms scope_chain->template_parms
693 #define processing_template_decl scope_chain->x_processing_template_decl
694 #define processing_specialization scope_chain->x_processing_specialization
695 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
697 /* _TYPE: the previous type that was a class */
699 #define previous_class_type scope_chain->x_previous_class_type
701 /* This is a copy of the class_shadowed list of the previous class
702 binding contour when at global scope. It's used to reset
703 IDENTIFIER_CLASS_VALUEs when entering another class scope (i.e. a
706 #define previous_class_values scope_chain->x_previous_class_values
708 /* A list of private types mentioned, for deferred access checking. */
710 extern GTY(()) struct saved_scope *scope_chain;
712 /* Global state pertinent to the current function. */
714 struct language_function GTY(())
716 struct c_language_function base;
719 tree x_current_class_ptr;
720 tree x_current_class_ref;
721 tree x_eh_spec_block;
722 tree x_in_charge_parm;
728 int returns_abnormally;
729 int in_function_try_handler;
730 int in_base_initializer;
732 /* True if this function can throw an exception. */
733 BOOL_BITFIELD can_throw : 1;
735 struct named_label_use_list *x_named_label_uses;
736 struct named_label_list *x_named_labels;
737 struct cp_binding_level *bindings;
738 varray_type x_local_names;
741 /* The current C++-specific per-function global variables. */
743 #define cp_function_chain (cfun->language)
745 /* In a destructor, the point at which all derived class destroying
746 has been done, just before any base class destroying will be done. */
748 #define dtor_label cp_function_chain->x_dtor_label
750 /* When we're processing a member function, current_class_ptr is the
751 PARM_DECL for the `this' pointer. The current_class_ref is an
752 expression for `*this'. */
754 #define current_class_ptr \
755 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
756 #define current_class_ref \
757 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
759 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
762 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
764 /* The `__in_chrg' parameter for the current function. Only used for
765 constructors and destructors. */
767 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
769 /* The `__vtt_parm' parameter for the current function. Only used for
770 constructors and destructors. */
772 #define current_vtt_parm cp_function_chain->x_vtt_parm
774 /* Set to 0 at beginning of a function definition, set to 1 if
775 a return statement that specifies a return value is seen. */
777 #define current_function_returns_value cp_function_chain->returns_value
779 /* Set to 0 at beginning of a function definition, set to 1 if
780 a return statement with no argument is seen. */
782 #define current_function_returns_null cp_function_chain->returns_null
784 /* Set to 0 at beginning of a function definition, set to 1 if
785 a call to a noreturn function is seen. */
787 #define current_function_returns_abnormally \
788 cp_function_chain->returns_abnormally
790 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
791 #define in_base_initializer cp_function_chain->in_base_initializer
793 #define in_function_try_handler cp_function_chain->in_function_try_handler
795 /* Expression always returned from function, or error_mark_node
796 otherwise, for use by the automatic named return value optimization. */
798 #define current_function_return_value \
799 (cp_function_chain->x_return_value)
801 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
802 new" or "operator delete". */
803 #define NEW_DELETE_OPNAME_P(NAME) \
804 ((NAME) == ansi_opname (NEW_EXPR) \
805 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
806 || (NAME) == ansi_opname (DELETE_EXPR) \
807 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
809 #define ansi_opname(CODE) \
810 (operator_name_info[(int) (CODE)].identifier)
811 #define ansi_assopname(CODE) \
812 (assignment_operator_name_info[(int) (CODE)].identifier)
814 /* True if NODE is an erroneous expression. */
816 #define error_operand_p(NODE) \
817 ((NODE) == error_mark_node \
818 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
820 /* INTERFACE_ONLY nonzero means that we are in an "interface"
821 section of the compiler. INTERFACE_UNKNOWN nonzero means
822 we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
823 is zero and INTERFACE_ONLY is zero, it means that we are responsible
824 for exporting definitions that others might need. */
825 extern int interface_only, interface_unknown;
827 /* C++ language-specific tree codes. */
828 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
829 enum cplus_tree_code {
830 CP_DUMMY_TREE_CODE = LAST_C_TREE_CODE,
831 #include "cp-tree.def"
836 #define cp_stmt_codes \
837 CTOR_INITIALIZER, TRY_BLOCK, HANDLER, \
838 EH_SPEC_BLOCK, USING_STMT, TAG_DEFN, \
839 IF_STMT, CLEANUP_STMT
841 enum languages { lang_c, lang_cplusplus, lang_java };
843 /* Macros to make error reporting functions' lives easier. */
844 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
845 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
846 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
847 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
848 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
850 /* Nonzero if NODE has no name for linkage purposes. */
851 #define TYPE_ANONYMOUS_P(NODE) \
852 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
854 /* The _DECL for this _TYPE. */
855 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
857 /* Nonzero if T is a class (or struct or union) type. Also nonzero
858 for template type parameters, typename types, and instantiated
859 template template parameters. Despite its name,
860 this macro has nothing to do with the definition of aggregate given
861 in the standard. Think of this macro as MAYBE_CLASS_TYPE_P. */
862 #define IS_AGGR_TYPE(T) \
863 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
864 || TREE_CODE (T) == TYPENAME_TYPE \
865 || TREE_CODE (T) == TYPEOF_TYPE \
866 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
867 || TYPE_LANG_FLAG_5 (T))
869 /* Set IS_AGGR_TYPE for T to VAL. T must be a class, struct, or
871 #define SET_IS_AGGR_TYPE(T, VAL) \
872 (TYPE_LANG_FLAG_5 (T) = (VAL))
874 /* Nonzero if T is a class type. Zero for template type parameters,
875 typename types, and so forth. */
876 #define CLASS_TYPE_P(T) \
877 (IS_AGGR_TYPE_CODE (TREE_CODE (T)) && IS_AGGR_TYPE (T))
879 #define IS_AGGR_TYPE_CODE(T) ((T) == RECORD_TYPE || (T) == UNION_TYPE)
880 #define TAGGED_TYPE_P(T) \
881 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
882 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
884 /* True if this a "Java" type, defined in 'extern "Java"'. */
885 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
887 /* True if this type is dependent. This predicate is only valid if
888 TYPE_DEPENDENT_P_VALID is true. */
889 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
891 /* True if dependent_type_p has been called for this type, with the
892 result that TYPE_DEPENDENT_P is valid. */
893 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
895 /* Nonzero if this type is const-qualified. */
896 #define CP_TYPE_CONST_P(NODE) \
897 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
899 /* Nonzero if this type is volatile-qualified. */
900 #define CP_TYPE_VOLATILE_P(NODE) \
901 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
903 /* Nonzero if this type is restrict-qualified. */
904 #define CP_TYPE_RESTRICT_P(NODE) \
905 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
907 /* Nonzero if this type is const-qualified, but not
908 volatile-qualified. Other qualifiers are ignored. This macro is
909 used to test whether or not it is OK to bind an rvalue to a
911 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
912 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
915 #define FUNCTION_ARG_CHAIN(NODE) \
916 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
918 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
919 which refers to a user-written parameter. */
920 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
921 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
923 /* Similarly, but for DECL_ARGUMENTS. */
924 #define FUNCTION_FIRST_USER_PARM(NODE) \
925 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
927 #define PROMOTES_TO_AGGR_TYPE(NODE, CODE) \
928 (((CODE) == TREE_CODE (NODE) \
929 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
930 || IS_AGGR_TYPE (NODE))
932 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
934 #define DERIVED_FROM_P(PARENT, TYPE) \
935 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
936 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
938 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
939 (lookup_base ((TYPE), (PARENT), ba_ignore | ba_quiet, NULL) != NULL_TREE)
940 /* Nonzero iff TYPE is accessible in the current scope and uniquely
941 derived from PARENT. */
942 #define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
943 (lookup_base ((TYPE), (PARENT), ba_check | ba_quiet, NULL) != NULL_TREE)
944 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
945 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
946 (lookup_base ((TYPE), (PARENT), ba_not_special | ba_quiet, NULL) \
949 /* This is a few header flags for 'struct lang_type'. Actually,
950 all but the first are used only for lang_type_class; they
951 are put in this structure to save space. */
952 struct lang_type_header GTY(())
954 BOOL_BITFIELD is_lang_type_class : 1;
956 BOOL_BITFIELD has_type_conversion : 1;
957 BOOL_BITFIELD has_init_ref : 1;
958 BOOL_BITFIELD has_default_ctor : 1;
959 BOOL_BITFIELD uses_multiple_inheritance : 1;
960 BOOL_BITFIELD const_needs_init : 1;
961 BOOL_BITFIELD ref_needs_init : 1;
962 BOOL_BITFIELD has_const_assign_ref : 1;
967 /* This structure provides additional information above and beyond
968 what is provide in the ordinary tree_type. In the past, we used it
969 for the types of class types, template parameters types, typename
970 types, and so forth. However, there can be many (tens to hundreds
971 of thousands) of template parameter types in a compilation, and
972 there's no need for this additional information in that case.
973 Therefore, we now use this data structure only for class types.
975 In the past, it was thought that there would be relatively few
976 class types. However, in the presence of heavy use of templates,
977 many (i.e., thousands) of classes can easily be generated.
978 Therefore, we should endeavor to keep the size of this structure to
980 struct lang_type_class GTY(())
982 struct lang_type_header h;
986 unsigned has_mutable : 1;
987 unsigned com_interface : 1;
988 unsigned non_pod_class : 1;
989 unsigned nearly_empty_p : 1;
990 unsigned user_align : 1;
991 unsigned has_assign_ref : 1;
992 unsigned has_new : 1;
993 unsigned has_array_new : 1;
995 unsigned gets_delete : 2;
996 unsigned interface_only : 1;
997 unsigned interface_unknown : 1;
998 unsigned contains_empty_class_p : 1;
999 unsigned anon_aggr : 1;
1000 unsigned non_zero_init : 1;
1001 unsigned empty_p : 1;
1004 unsigned vec_new_uses_cookie : 1;
1005 unsigned declared_class : 1;
1007 unsigned being_defined : 1;
1008 unsigned redefined : 1;
1009 unsigned debug_requested : 1;
1010 unsigned use_template : 2;
1011 unsigned fields_readonly : 1;
1012 unsigned ptrmemfunc_flag : 1;
1013 unsigned was_anonymous : 1;
1015 unsigned has_real_assign_ref : 1;
1016 unsigned has_const_init_ref : 1;
1017 unsigned has_complex_init_ref : 1;
1018 unsigned has_complex_assign_ref : 1;
1019 unsigned has_abstract_assign_ref : 1;
1020 unsigned non_aggregate : 1;
1021 unsigned java_interface : 1;
1023 /* When adding a flag here, consider whether or not it ought to
1024 apply to a template instance if it applies to the template. If
1025 so, make sure to copy it in instantiate_class_template! */
1027 /* There are some bits left to fill out a 32-bit word. Keep track
1028 of this by updating the size of this bitfield whenever you add or
1038 binding_table nested_udts;
1041 tree friend_classes;
1042 tree GTY ((reorder ("resort_type_method_vec"))) methods;
1046 tree befriending_classes;
1049 struct lang_type_ptrmem GTY(())
1051 struct lang_type_header h;
1055 struct lang_type GTY(())
1059 struct lang_type_header GTY((tag ("2"))) h;
1060 struct lang_type_class GTY((tag ("1"))) c;
1061 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1062 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1065 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1067 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1068 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1069 if (! lt->u.h.is_lang_type_class) \
1070 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1073 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1074 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1075 if (lt->u.h.is_lang_type_class) \
1076 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1081 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1082 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1084 #endif /* ENABLE_TREE_CHECKING */
1086 /* Indicates whether or not (and how) a template was expanded for this class.
1087 0=no information yet/non-template class
1088 1=implicit template instantiation
1089 2=explicit template specialization
1090 3=explicit template instantiation */
1091 #define CLASSTYPE_USE_TEMPLATE(NODE) \
1092 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
1094 /* Fields used for storing information before the class is defined.
1095 After the class is defined, these fields hold other information. */
1097 /* List of friends which were defined inline in this class definition. */
1098 #define CLASSTYPE_INLINE_FRIENDS(NODE) CLASSTYPE_PURE_VIRTUALS (NODE)
1100 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1101 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1102 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1104 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1105 storage to indicate how many array elements are in use. */
1106 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1107 (CLASS_TYPE_P (NODE) \
1108 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1110 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1111 itself to other types. */
1112 #define TYPE_HAS_CONVERSION(NODE) \
1113 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1115 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1116 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1117 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1118 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1120 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1121 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1122 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1123 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1125 /* Nonzero if this class defines an overloaded operator new. (An
1126 operator new [] doesn't count.) */
1127 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1128 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1130 /* Nonzero if this class defines an overloaded operator new[]. */
1131 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1132 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1134 /* Nonzero means that this type is being defined. I.e., the left brace
1135 starting the definition of this type has been seen. */
1136 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1137 /* Nonzero means that this type has been redefined. In this case, if
1138 convenient, don't reprocess any methods that appear in its redefinition. */
1139 #define TYPE_REDEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->redefined)
1141 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1142 multiple inheritance. If this is 0 for the root of a type
1143 hierarchy, then we can use more efficient search techniques. */
1144 #define TYPE_USES_MULTIPLE_INHERITANCE(NODE) \
1145 (LANG_TYPE_CLASS_CHECK (NODE)->h.uses_multiple_inheritance)
1147 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1148 virtual base classes. If this is 0 for the root of a type
1149 hierarchy, then we can use more efficient search techniques. */
1150 #define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3 (NODE))
1152 /* The member function with which the vtable will be emitted:
1153 the first noninline non-pure-virtual member function. NULL_TREE
1154 if there is no key function or if this is a class template */
1155 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1157 /* Vector member functions defined in this class. Each element is
1158 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1159 functions with the same name end up in the same slot. The first
1160 two elements are for constructors, and destructors, respectively.
1161 All template conversion operators to innermost template dependent
1162 types are overloaded on the next slot, if they exist. Note, the
1163 names for these functions will not all be the same. The
1164 non-template conversion operators & templated conversions to
1165 non-innermost template types are next, followed by ordinary member
1166 functions. There may be empty entries at the end of the vector.
1167 The conversion operators are unsorted. The ordinary member
1168 functions are sorted, once the class is complete. */
1169 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1171 /* For class templates, this is a TREE_LIST of all member data,
1172 functions, types, and friends in the order of declaration.
1173 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1174 and the RECORD_TYPE for the class template otherwise. */
1175 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1177 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1178 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1180 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1181 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1183 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1184 operators can appear. */
1185 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1187 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1188 are the constructors that take an in-charge parameter. */
1189 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1190 (TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1192 /* A FUNCTION_DECL for the destructor for NODE. These are the
1193 destructors that take an in-charge parameter. */
1194 #define CLASSTYPE_DESTRUCTORS(NODE) \
1195 (TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT))
1197 /* Mark bits for depth-first and breath-first searches. */
1199 /* Get the value of the Nth mark bit. */
1200 #define CLASSTYPE_MARKED_N(NODE, N) \
1201 (((CLASS_TYPE_P (NODE) ? LANG_TYPE_CLASS_CHECK (NODE)->marks \
1202 : ((unsigned) TYPE_ALIAS_SET (NODE))) & (1 << (N))) != 0)
1204 /* Set the Nth mark bit. */
1205 #define SET_CLASSTYPE_MARKED_N(NODE, N) \
1206 (CLASS_TYPE_P (NODE) \
1207 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks |= (1 << (N))) \
1208 : (void) (TYPE_ALIAS_SET (NODE) |= (1 << (N))))
1210 /* Clear the Nth mark bit. */
1211 #define CLEAR_CLASSTYPE_MARKED_N(NODE, N) \
1212 (CLASS_TYPE_P (NODE) \
1213 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks &= ~(1 << (N))) \
1214 : (void) (TYPE_ALIAS_SET (NODE) &= ~(1 << (N))))
1216 /* Get the value of the mark bits. */
1217 #define CLASSTYPE_MARKED(NODE) CLASSTYPE_MARKED_N (NODE, 0)
1218 #define CLASSTYPE_MARKED2(NODE) CLASSTYPE_MARKED_N (NODE, 1)
1219 #define CLASSTYPE_MARKED3(NODE) CLASSTYPE_MARKED_N (NODE, 2)
1220 #define CLASSTYPE_MARKED4(NODE) CLASSTYPE_MARKED_N (NODE, 3)
1221 #define CLASSTYPE_MARKED5(NODE) CLASSTYPE_MARKED_N (NODE, 4)
1222 #define CLASSTYPE_MARKED6(NODE) CLASSTYPE_MARKED_N (NODE, 5)
1224 /* Macros to modify the above flags */
1225 #define SET_CLASSTYPE_MARKED(NODE) SET_CLASSTYPE_MARKED_N (NODE, 0)
1226 #define CLEAR_CLASSTYPE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 0)
1227 #define SET_CLASSTYPE_MARKED2(NODE) SET_CLASSTYPE_MARKED_N (NODE, 1)
1228 #define CLEAR_CLASSTYPE_MARKED2(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 1)
1229 #define SET_CLASSTYPE_MARKED3(NODE) SET_CLASSTYPE_MARKED_N (NODE, 2)
1230 #define CLEAR_CLASSTYPE_MARKED3(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 2)
1231 #define SET_CLASSTYPE_MARKED4(NODE) SET_CLASSTYPE_MARKED_N (NODE, 3)
1232 #define CLEAR_CLASSTYPE_MARKED4(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 3)
1233 #define SET_CLASSTYPE_MARKED5(NODE) SET_CLASSTYPE_MARKED_N (NODE, 4)
1234 #define CLEAR_CLASSTYPE_MARKED5(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 4)
1235 #define SET_CLASSTYPE_MARKED6(NODE) SET_CLASSTYPE_MARKED_N (NODE, 5)
1236 #define CLEAR_CLASSTYPE_MARKED6(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 5)
1238 /* A dictionary of the nested user-defined-types (class-types, or enums)
1239 found within this class. This table includes nested member class
1241 #define CLASSTYPE_NESTED_UTDS(NODE) \
1242 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1244 /* Nonzero if NODE has a primary base class, i.e., a base class with
1245 which it shares the virtual function table pointer. */
1246 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1247 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1249 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1250 the base class which contains the virtual function table pointer
1252 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1253 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1255 /* A vector of BINFOs for the direct and indirect virtual base classes
1256 that this type uses in a post-order depth-first left-to-right
1257 order. (In other words, these bases appear in the order that they
1258 should be initialized.) */
1259 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1261 /* Number of direct baseclasses of NODE. */
1262 #define CLASSTYPE_N_BASECLASSES(NODE) \
1263 (BINFO_N_BASETYPES (TYPE_BINFO (NODE)))
1265 /* The type corresponding to NODE when NODE is used as a base class,
1266 i.e., NODE without virtual base classes. */
1268 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1270 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1272 #define IS_FAKE_BASE_TYPE(NODE) \
1273 (TREE_CODE (NODE) == RECORD_TYPE \
1274 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1275 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1277 /* These are the size and alignment of the type without its virtual
1278 base classes, for when we use this type as a base itself. */
1279 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1280 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1281 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1282 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1284 /* The alignment of NODE, without its virtual bases, in bytes. */
1285 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1286 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1288 /* True if this a Java interface type, declared with
1289 '__attribute__ ((java_interface))'. */
1290 #define TYPE_JAVA_INTERFACE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1292 /* A cons list of virtual functions which cannot be inherited by
1293 derived classes. When deriving from this type, the derived
1294 class must provide its own definition for each of these functions. */
1295 #define CLASSTYPE_PURE_VIRTUALS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1297 /* Nonzero means that this type has an X() constructor. */
1298 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1299 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1301 /* Nonzero means that this type contains a mutable member. */
1302 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1303 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1305 /* Nonzero means that this class type is a non-POD class. */
1306 #define CLASSTYPE_NON_POD_P(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1308 /* Nonzero means that this class contains pod types whose default
1309 initialization is not a zero initialization (namely, pointers to
1311 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1312 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1314 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1315 #define CLASSTYPE_EMPTY_P(NODE) \
1316 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1318 /* Nonzero if this class is "nearly empty", i.e., contains only a
1319 virtual function table pointer. */
1320 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1321 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1323 /* Nonzero if this class contains an empty subobject. */
1324 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1325 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1327 /* A list of class types of which this type is a friend. The
1328 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1329 case of a template friend. */
1330 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1331 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1333 /* A list of the classes which grant friendship to this class. */
1334 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1335 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1337 /* Say whether this node was declared as a "class" or a "struct". */
1338 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1339 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1341 /* Nonzero if this class has const members
1342 which have no specified initialization. */
1343 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1344 (TYPE_LANG_SPECIFIC (NODE) \
1345 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1346 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1347 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1349 /* Nonzero if this class has ref members
1350 which have no specified initialization. */
1351 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1352 (TYPE_LANG_SPECIFIC (NODE) \
1353 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1354 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1355 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1357 /* Nonzero if this class is included from a header file which employs
1358 `#pragma interface', and it is not included in its implementation file. */
1359 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1360 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1362 /* True if we have already determined whether or not vtables, VTTs,
1363 typeinfo, and other similar per-class data should be emitted in
1364 this translation unit. This flag does not indicate whether or not
1365 these items should be emitted; it only indicates that we know one
1366 way or the other. */
1367 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1368 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1369 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1370 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1371 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1373 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1374 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1375 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1376 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1377 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1378 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1380 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1381 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1382 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1384 /* Additional macros for inheritance information. */
1386 /* The BINFO_INHERITANCE_CHAIN is used opposite to the description in
1387 gcc/tree.h. In particular if D is non-virtually derived from B
1388 then the BINFO for B (in D) will have a BINFO_INHERITANCE_CHAIN
1389 pointing to D. If D is virtually derived, its
1390 BINFO_INHERITANCE_CHAIN will point to the most derived binfo. In
1391 tree.h, this pointer is described as pointing in other
1392 direction. The binfos of virtual bases are shared. */
1394 /* Nonzero means that this class is on a path leading to a new vtable. */
1395 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1397 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1398 have this flag set. */
1399 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1401 /* Any subobject that needs a new vtable must have a vptr and must not
1402 be a non-virtual primary base (since it would then use the vtable from a
1403 derived class and never become non-primary.) */
1404 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1405 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1406 my_friendly_assert (!BINFO_PRIMARY_P (B) \
1407 || BINFO_VIRTUAL_P (B), 20000517), \
1408 my_friendly_assert (CLASSTYPE_VFIELDS (BINFO_TYPE (B)) != NULL_TREE, \
1411 /* Nonzero means this class has done dfs_pushdecls. */
1412 #define BINFO_PUSHDECLS_MARKED(NODE) BINFO_VTABLE_PATH_MARKED (NODE)
1414 /* Nonzero if this BINFO is a primary base class. */
1416 #define BINFO_PRIMARY_P(NODE) \
1417 (BINFO_PRIMARY_BASE_OF (NODE) != NULL_TREE)
1419 /* The index in the VTT where this subobject's sub-VTT can be found.
1420 NULL_TREE if there is no sub-VTT. */
1421 #define BINFO_SUBVTT_INDEX(NODE) BINFO_LANG_SLOT(NODE, 0)
1423 /* The index in the VTT where the vptr for this subobject can be
1424 found. NULL_TREE if there is no secondary vptr in the VTT. */
1425 #define BINFO_VPTR_INDEX(NODE) BINFO_LANG_SLOT(NODE, 1)
1427 /* The binfo of which NODE is a primary base. (This is different from
1428 BINFO_INHERITANCE_CHAIN for virtual base because a virtual base is
1429 sometimes a primary base for a class for which it is not an
1431 #define BINFO_PRIMARY_BASE_OF(NODE) BINFO_LANG_SLOT(NODE, 2)
1433 /* C++ binfos have 3 additional entries. */
1435 #define BINFO_LANG_SLOTS (3)
1437 /* Nonzero if this binfo is for a dependent base - one that should not
1439 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1441 /* Nonzero if this binfo has lost its primary base binfo (because that
1442 is a nearly-empty virtual base that has been taken by some other
1443 base in the complete hierarchy. */
1444 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1446 /* Nonzero if this binfo is an indirect primary base, i.e. a virtual
1447 base that is a primary base of some of other class in the
1449 #define BINFO_INDIRECT_PRIMARY_P(NODE) BINFO_FLAG_5 (NODE)
1451 /* Used by various search routines. */
1452 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1454 /* A TREE_LIST of the vcall indices associated with the class NODE.
1455 The TREE_PURPOSE of each node is a FUNCTION_DECL for a virtual
1456 function. The TREE_VALUE is the index into the virtual table where
1457 the vcall offset for that function is stored, when NODE is a
1459 #define CLASSTYPE_VCALL_INDICES(NODE) \
1460 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1462 /* The various vtables for the class NODE. The primary vtable will be
1463 first, followed by the construction vtables and VTT, if any. */
1464 #define CLASSTYPE_VTABLES(NODE) \
1465 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1467 /* The std::type_info variable representing this class, or NULL if no
1468 such variable has been created. This field is only set for the
1469 TYPE_MAIN_VARIANT of the class. */
1470 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1471 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1473 /* Accessor macros for the vfield slots in structures. */
1475 /* List of virtual table fields that this type contains (both the primary
1476 and secondaries). The TREE_VALUE is the class type where the vtable
1477 field was introduced. For a vtable field inherited from the primary
1478 base, or introduced by this class, the TREE_PURPOSE is NULL. For
1479 other vtable fields (those from non-primary bases), the
1480 TREE_PURPOSE is the BINFO of the base through which the vtable was
1482 #define CLASSTYPE_VFIELDS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vfields)
1484 /* Get the BINFO that introduced this vtable into the hierarchy (will
1485 be NULL for those created at this level, or from a primary
1487 #define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
1489 /* Get the TYPE that introduced this vtable into the hierarchy (always
1491 #define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
1493 /* Accessor macros for the BINFO_VIRTUALS list. */
1495 /* The number of bytes by which to adjust the `this' pointer when
1496 calling this virtual function. Subtract this value from the this
1497 pointer. Always non-NULL, might be constant zero though. */
1498 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1500 /* If non-NULL, the vtable index at which to find the vcall offset
1501 when calling this virtual function. Add the value at that vtable
1502 index to the this pointer. */
1503 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1505 /* The function to call. */
1506 #define BV_FN(NODE) (TREE_VALUE (NODE))
1509 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1510 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1511 will be NULL_TREE to indicate a throw specification of `()', or
1512 no exceptions allowed. */
1513 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
1515 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1516 #define TYPE_NOTHROW_P(NODE) \
1517 (TYPE_RAISES_EXCEPTIONS (NODE) \
1518 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1520 /* The binding level associated with the namespace. */
1521 #define NAMESPACE_LEVEL(NODE) \
1522 (DECL_LANG_SPECIFIC (NODE)->decl_flags.u.level)
1525 /* If a DECL has DECL_LANG_SPECIFIC, it is either a lang_decl_flags or
1526 a lang_decl (which has lang_decl_flags as its initial prefix).
1527 This macro is nonzero for tree nodes whose DECL_LANG_SPECIFIC is
1528 the full lang_decl, and not just lang_decl_flags. */
1529 #define CAN_HAVE_FULL_LANG_DECL_P(NODE) \
1530 (!(TREE_CODE (NODE) == VAR_DECL \
1531 || TREE_CODE (NODE) == CONST_DECL \
1532 || TREE_CODE (NODE) == FIELD_DECL \
1533 || TREE_CODE (NODE) == USING_DECL))
1535 struct lang_decl_flags GTY(())
1537 ENUM_BITFIELD(languages) language : 8;
1539 unsigned operator_attr : 1;
1540 unsigned constructor_attr : 1;
1541 unsigned destructor_attr : 1;
1542 unsigned friend_attr : 1;
1543 unsigned static_function : 1;
1544 unsigned pure_virtual : 1;
1545 unsigned has_in_charge_parm_p : 1;
1546 unsigned has_vtt_parm_p : 1;
1548 unsigned deferred : 1;
1549 unsigned use_template : 2;
1550 unsigned nonconverting : 1;
1551 unsigned not_really_extern : 1;
1552 unsigned needs_final_overrider : 1;
1553 unsigned initialized_in_class : 1;
1554 unsigned assignment_operator_p : 1;
1556 unsigned global_ctor_p : 1;
1557 unsigned global_dtor_p : 1;
1558 unsigned anticipated_p : 1;
1559 unsigned template_conv_p : 1;
1562 unsigned can_be_full : 1;
1563 unsigned this_thunk_p : 1;
1566 /* In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1567 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1568 DECL_TEMPLATE_INFO. */
1569 tree GTY ((tag ("0"))) template_info;
1571 /* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
1572 struct cp_binding_level * GTY ((tag ("1"))) level;
1574 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1576 tree GTY ((tag ("2"))) thunk_alias;
1577 } GTY ((desc ("%1.u1sel"))) u;
1579 union lang_decl_u2 {
1580 /* This is DECL_ACCESS. */
1581 tree GTY ((tag ("0"))) access;
1583 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1584 int GTY ((tag ("1"))) discriminator;
1586 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1587 THUNK_VIRTUAL_OFFSET. */
1588 tree GTY((tag ("2"))) virtual_offset;
1589 } GTY ((desc ("%1.u2sel"))) u2;
1592 /* sorted_fields is sorted based on a pointer, so we need to be able
1593 to resort it if pointers get rearranged. */
1595 struct lang_decl GTY(())
1597 struct lang_decl_flags decl_flags;
1601 struct full_lang_decl
1603 /* For a non-thunk function decl, this is a tree list of
1604 friendly classes. For a thunk function decl, it is the
1605 thunked to function decl. */
1606 tree befriending_classes;
1608 /* For a non-virtual FUNCTION_DECL, this is
1609 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1610 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1611 this pointer and result pointer adjusting thunks are
1612 chained here. This pointer thunks to return pointer thunks
1613 will be chained on the return pointer thunk. */
1616 /* In a FUNCTION_DECL, this is DECL_CLONED_FUNCTION. */
1617 tree cloned_function;
1619 /* In a FUNCTION_DECL for which THUNK_P holds, this is
1620 THUNK_FIXED_OFFSET. */
1621 HOST_WIDE_INT fixed_offset;
1623 /* In an overloaded operator, this is the value of
1624 DECL_OVERLOADED_OPERATOR_P. */
1625 enum tree_code operator_code;
1628 unsigned pending_inline_p : 1;
1632 struct sorted_fields_type * GTY ((tag ("0"), reorder ("resort_sorted_fields")))
1634 struct cp_token_cache * GTY ((tag ("2"))) pending_inline_info;
1635 struct language_function * GTY ((tag ("1")))
1636 saved_language_function;
1637 } GTY ((desc ("%1.u3sel + %1.pending_inline_p"))) u;
1638 } GTY ((tag ("1"))) f;
1639 } GTY ((desc ("%1.decl_flags.can_be_full"))) u;
1642 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1644 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1645 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1646 if (lt->decl_flags.u2sel != TF) \
1647 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1648 <->decl_flags.u2; })
1652 #define LANG_DECL_U2_CHECK(NODE, TF) \
1653 (&DECL_LANG_SPECIFIC (NODE)->decl_flags.u2)
1655 #endif /* ENABLE_TREE_CHECKING */
1657 /* DECL_NEEDED_P holds of a declaration when we need to emit its
1658 definition. This is true when the back-end tells us that
1659 the symbol has been referenced in the generated code. If, however,
1660 we are not generating code, then it is also true when a symbol has
1661 just been used somewhere, even if it's not really needed. We need
1662 anything that isn't comdat, but we don't know for sure whether or
1663 not something is comdat until end-of-file. */
1664 #define DECL_NEEDED_P(DECL) \
1665 ((at_eof && TREE_PUBLIC (DECL) && !DECL_COMDAT (DECL)) \
1666 || (DECL_ASSEMBLER_NAME_SET_P (DECL) \
1667 && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL))) \
1668 || (((flag_syntax_only || flag_unit_at_a_time) && TREE_USED (DECL))))
1670 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1671 declaration. Some entities (like a member function in a local
1672 class, or a local variable) do not have linkage at all, and this
1673 macro should not be used in those cases.
1675 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1676 created by language-independent code, and has C linkage. Most
1677 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1678 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1679 #define DECL_LANGUAGE(NODE) \
1680 (DECL_LANG_SPECIFIC (NODE) \
1681 ? DECL_LANG_SPECIFIC (NODE)->decl_flags.language \
1682 : (TREE_CODE (NODE) == FUNCTION_DECL \
1683 ? lang_c : lang_cplusplus))
1685 /* Set the language linkage for NODE to LANGUAGE. */
1686 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1687 (DECL_LANG_SPECIFIC (NODE)->decl_flags.language = (LANGUAGE))
1689 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1690 #define DECL_CONSTRUCTOR_P(NODE) \
1691 (DECL_LANG_SPECIFIC (NODE)->decl_flags.constructor_attr)
1693 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1695 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1696 (DECL_CONSTRUCTOR_P (NODE) \
1697 && DECL_NAME (NODE) == complete_ctor_identifier)
1699 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1701 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1702 (DECL_CONSTRUCTOR_P (NODE) \
1703 && DECL_NAME (NODE) == base_ctor_identifier)
1705 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1706 specialized in-charge constructor or the specialized not-in-charge
1708 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1709 (DECL_CONSTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1711 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1712 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1713 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1715 /* Nonzero if NODE is a destructor. */
1716 #define DECL_DESTRUCTOR_P(NODE) \
1717 (DECL_LANG_SPECIFIC (NODE)->decl_flags.destructor_attr)
1719 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1720 specialized in-charge constructor, in-charge deleting constructor,
1721 or the the base destructor. */
1722 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1723 (DECL_DESTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1725 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1727 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1728 (DECL_DESTRUCTOR_P (NODE) \
1729 && DECL_NAME (NODE) == complete_dtor_identifier)
1731 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1733 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1734 (DECL_DESTRUCTOR_P (NODE) \
1735 && DECL_NAME (NODE) == base_dtor_identifier)
1737 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1738 object that deletes the object after it has been destroyed. */
1739 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1740 (DECL_DESTRUCTOR_P (NODE) \
1741 && DECL_NAME (NODE) == deleting_dtor_identifier)
1743 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1745 #define DECL_CLONED_FUNCTION_P(NODE) \
1746 ((TREE_CODE (NODE) == FUNCTION_DECL \
1747 || TREE_CODE (NODE) == TEMPLATE_DECL) \
1748 && DECL_LANG_SPECIFIC (NODE) \
1749 && DECL_CLONED_FUNCTION (NODE) != NULL_TREE)
1751 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1753 #define DECL_CLONED_FUNCTION(NODE) \
1754 (DECL_LANG_SPECIFIC (NODE)->u.f.cloned_function)
1756 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1757 #define DECL_DISCRIMINATOR_P(NODE) \
1758 (TREE_CODE (NODE) == VAR_DECL \
1759 && DECL_FUNCTION_SCOPE_P (NODE))
1761 /* Discriminator for name mangling. */
1762 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1764 /* Nonzero if the VTT parm has been added to NODE. */
1765 #define DECL_HAS_VTT_PARM_P(NODE) \
1766 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_vtt_parm_p)
1768 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1770 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1771 (TYPE_USES_VIRTUAL_BASECLASSES (DECL_CONTEXT (NODE)) \
1772 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1773 || DECL_BASE_DESTRUCTOR_P (NODE)))
1775 /* Nonzero if NODE is a user-defined conversion operator. */
1776 #define DECL_CONV_FN_P(NODE) \
1777 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1779 /* If FN is a conversion operator, the type to which it converts.
1780 Otherwise, NULL_TREE. */
1781 #define DECL_CONV_FN_TYPE(FN) \
1782 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
1784 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
1785 conversion operator to a type dependent on the innermost template
1787 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
1788 (DECL_LANG_SPECIFIC (NODE)->decl_flags.template_conv_p)
1790 /* Set the overloaded operator code for NODE to CODE. */
1791 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
1792 (DECL_LANG_SPECIFIC (NODE)->u.f.operator_code = (CODE))
1794 /* If NODE is an overloaded operator, then this returns the TREE_CODE
1795 associated with the overloaded operator.
1796 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
1797 whether or not NODE is an assignment operator. If NODE is not an
1798 overloaded operator, ERROR_MARK is returned. Since the numerical
1799 value of ERROR_MARK is zero, this macro can be used as a predicate
1800 to test whether or not NODE is an overloaded operator. */
1801 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
1802 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
1803 ? DECL_LANG_SPECIFIC (NODE)->u.f.operator_code : ERROR_MARK)
1805 /* Nonzero if NODE is an assignment operator. */
1806 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
1807 (DECL_LANG_SPECIFIC (NODE)->decl_flags.assignment_operator_p)
1809 /* For FUNCTION_DECLs: nonzero means that this function is a
1810 constructor or a destructor with an extra in-charge parameter to
1811 control whether or not virtual bases are constructed. */
1812 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
1813 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p)
1815 /* Nonzero if NODE is an overloaded `operator delete[]' function. */
1816 #define DECL_ARRAY_DELETE_OPERATOR_P(NODE) \
1817 (DECL_OVERLOADED_OPERATOR_P (NODE) == VEC_DELETE_EXPR)
1819 /* Nonzero for _DECL means that this decl appears in (or will appear
1820 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1821 detecting circularity in case members are multiply defined. In the
1822 case of a VAR_DECL, it is also used to determine how program storage
1823 should be allocated. */
1824 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
1826 /* Nonzero for a VAR_DECL means that the variable's initialization has
1828 #define DECL_INITIALIZED_P(NODE) \
1829 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
1831 /* Nonzero for a VAR_DECL that was initialized with a
1832 constant-expression. */
1833 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
1834 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
1836 /* Nonzero if the DECL was initialized in the class definition itself,
1837 rather than outside the class. This is used for both static member
1838 VAR_DECLS, and FUNTION_DECLS that are defined in the class. */
1839 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
1840 (DECL_LANG_SPECIFIC (DECL)->decl_flags.initialized_in_class)
1842 /* Nonzero for FUNCTION_DECL means that this decl is just a
1843 friend declaration, and should not be added to the list of
1844 member functions for this class. */
1845 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.friend_attr)
1847 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
1848 #define DECL_BEFRIENDING_CLASSES(NODE) \
1849 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
1851 /* Nonzero for FUNCTION_DECL means that this decl is a static
1853 #define DECL_STATIC_FUNCTION_P(NODE) \
1854 (DECL_LANG_SPECIFIC (NODE)->decl_flags.static_function)
1856 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1858 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1859 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1861 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1862 (static or non-static). */
1863 #define DECL_FUNCTION_MEMBER_P(NODE) \
1864 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1866 /* Nonzero for FUNCTION_DECL means that this member function
1867 has `this' as const X *const. */
1868 #define DECL_CONST_MEMFUNC_P(NODE) \
1869 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1870 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
1871 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1873 /* Nonzero for FUNCTION_DECL means that this member function
1874 has `this' as volatile X *const. */
1875 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
1876 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1877 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
1878 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1880 /* Nonzero for a DECL means that this member is a non-static member. */
1881 #define DECL_NONSTATIC_MEMBER_P(NODE) \
1882 ((TREE_CODE (NODE) == FUNCTION_DECL \
1883 && DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE)) \
1884 || TREE_CODE (NODE) == FIELD_DECL)
1886 /* Nonzero for _DECL means that this member object type
1888 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
1890 /* Nonzero for _DECL means that this constructor is a non-converting
1892 #define DECL_NONCONVERTING_P(NODE) \
1893 (DECL_LANG_SPECIFIC (NODE)->decl_flags.nonconverting)
1895 /* Nonzero for FUNCTION_DECL means that this member function is a pure
1896 virtual function. */
1897 #define DECL_PURE_VIRTUAL_P(NODE) \
1898 (DECL_LANG_SPECIFIC (NODE)->decl_flags.pure_virtual)
1900 /* Nonzero for FUNCTION_DECL means that this member function
1901 must be overridden by derived classes. */
1902 #define DECL_NEEDS_FINAL_OVERRIDER_P(NODE) \
1903 (DECL_LANG_SPECIFIC (NODE)->decl_flags.needs_final_overrider)
1905 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
1906 invalid overrider for a function from a base class. Once we have
1907 complained about an invalid overrider we avoid complaining about it
1909 #define DECL_INVALID_OVERRIDER_P(NODE) \
1910 (DECL_LANG_FLAG_4 (NODE))
1912 /* The thunks associated with NODE, a FUNCTION_DECL. */
1913 #define DECL_THUNKS(NODE) \
1914 (DECL_LANG_SPECIFIC (NODE)->u.f.context)
1916 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
1917 #define DECL_THUNK_P(NODE) \
1918 (TREE_CODE (NODE) == FUNCTION_DECL \
1919 && DECL_LANG_FLAG_7 (NODE))
1921 /* Nonzero if NODE is a this pointer adjusting thunk. */
1922 #define DECL_THIS_THUNK_P(NODE) \
1923 (DECL_THUNK_P (NODE) && DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1925 /* Nonzero if NODE is a result pointer adjusting thunk. */
1926 #define DECL_RESULT_THUNK_P(NODE) \
1927 (DECL_THUNK_P (NODE) && !DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1929 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
1930 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
1931 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
1933 /* Nonzero if NODE is `extern "C"'. */
1934 #define DECL_EXTERN_C_P(NODE) \
1935 (DECL_LANGUAGE (NODE) == lang_c)
1937 /* Nonzero if NODE is an `extern "C"' function. */
1938 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
1939 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
1941 /* Set DECL_THUNK_P for node. */
1942 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
1943 (DECL_LANG_FLAG_7 (NODE) = 1, \
1944 DECL_LANG_SPECIFIC (NODE)->u.f.u3sel = 1, \
1945 DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p = (THIS_ADJUSTING))
1947 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
1948 template function. */
1949 #define DECL_PRETTY_FUNCTION_P(NODE) \
1950 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
1952 /* The _TYPE context in which this _DECL appears. This field holds the
1953 class where a virtual function instance is actually defined. */
1954 #define DECL_CLASS_CONTEXT(NODE) \
1955 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
1957 /* For a non-member friend function, the class (if any) in which this
1958 friend was defined. For example, given:
1960 struct S { friend void f (); };
1962 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
1963 #define DECL_FRIEND_CONTEXT(NODE) \
1964 ((DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
1965 ? DECL_LANG_SPECIFIC (NODE)->u.f.context \
1968 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
1969 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
1970 (DECL_LANG_SPECIFIC (NODE)->u.f.context = (CONTEXT))
1972 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
1973 #define CP_DECL_CONTEXT(NODE) \
1974 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
1975 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
1977 /* 1 iff NODE has namespace scope, including the global namespace. */
1978 #define DECL_NAMESPACE_SCOPE_P(NODE) \
1979 (!DECL_TEMPLATE_PARM_P (NODE) \
1980 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
1982 /* 1 iff NODE is a class member. */
1983 #define DECL_CLASS_SCOPE_P(NODE) \
1984 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
1986 /* 1 iff NODE is function-local. */
1987 #define DECL_FUNCTION_SCOPE_P(NODE) \
1988 (DECL_CONTEXT (NODE) \
1989 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
1991 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
1992 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
1994 /* 1 iff NODE is function-local, but for types. */
1995 #define LOCAL_CLASS_P(NODE) \
1996 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
1998 /* For a NAMESPACE_DECL: the list of using namespace directives
1999 The PURPOSE is the used namespace, the value is the namespace
2000 that is the common ancestor. */
2001 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
2003 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2004 of a namespace, to record the transitive closure of using namespace. */
2005 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2007 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2008 themselves with this one. */
2009 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2010 (NAMESPACE_DECL_CHECK (NODE)->decl.saved_tree)
2012 /* In a NAMESPACE_DECL, points to the original namespace if this is
2013 a namespace alias. */
2014 #define DECL_NAMESPACE_ALIAS(NODE) \
2015 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2016 #define ORIGINAL_NAMESPACE(NODE) \
2017 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2019 /* Nonzero if NODE is the std namespace. */
2020 #define DECL_NAMESPACE_STD_P(NODE) \
2021 (TREE_CODE (NODE) == NAMESPACE_DECL \
2022 && CP_DECL_CONTEXT (NODE) == global_namespace \
2023 && DECL_NAME (NODE) == std_identifier)
2025 /* In a non-local VAR_DECL with static storage duration, this is the
2026 initialization priority. If this value is zero, the NODE will be
2027 initialized at the DEFAULT_INIT_PRIORITY. */
2028 #define DECL_INIT_PRIORITY(NODE) (VAR_DECL_CHECK (NODE)->decl.u2.i)
2030 /* In a TREE_LIST concatenating using directives, indicate indirect
2032 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->common.lang_flag_0)
2034 /* In a VAR_DECL for a variable declared in a for statement,
2035 this is the shadowed (local) variable. */
2036 #define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT_FLD(VAR_DECL_CHECK (NODE))
2038 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2039 the class definition. We have saved away the text of the function,
2040 but have not yet processed it. */
2041 #define DECL_PENDING_INLINE_P(NODE) \
2042 (DECL_LANG_SPECIFIC (NODE)->u.f.pending_inline_p)
2044 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2046 #define DECL_PENDING_INLINE_INFO(NODE) \
2047 (DECL_LANG_SPECIFIC (NODE)->u.f.u.pending_inline_info)
2049 /* For a TYPE_DECL: if this structure has many fields, we'll sort them
2050 and put them into a TREE_VEC. */
2051 #define DECL_SORTED_FIELDS(NODE) \
2052 (DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.f.u.sorted_fields)
2054 /* True if on the deferred_fns (see decl2.c) list. */
2055 #define DECL_DEFERRED_FN(DECL) \
2056 (DECL_LANG_SPECIFIC (DECL)->decl_flags.deferred)
2058 /* For a VAR_DECL, FUNCTION_DECL, TYPE_DECL or TEMPLATE_DECL:
2059 template-specific information. */
2060 #define DECL_TEMPLATE_INFO(NODE) \
2061 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2062 ->decl_flags.u.template_info)
2064 /* For a VAR_DECL, indicates that the variable has been processed.
2065 This flag is set and unset throughout the code; it is always
2066 used for a temporary purpose. */
2067 #define DECL_VAR_MARKED_P(NODE) \
2068 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2070 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2071 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2072 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2074 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2075 not be a primary template, it may be declared within the scope of a
2076 primary template and the enumeration constants may depend on
2077 non-type template parameters. */
2078 #define ENUM_TEMPLATE_INFO(NODE) \
2079 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2081 /* Template information for a template template parameter. */
2082 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2083 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2086 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2087 #define TYPE_TEMPLATE_INFO(NODE) \
2088 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2089 ? ENUM_TEMPLATE_INFO (NODE) : \
2090 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2091 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2092 (TYPE_LANG_SPECIFIC (NODE) \
2093 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2096 /* Set the template information for an ENUMERAL_, RECORD_, or
2097 UNION_TYPE to VAL. */
2098 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2099 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2100 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2101 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2103 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2104 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2105 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2107 /* We use TREE_VECs to hold template arguments. If there is only one
2108 level of template arguments, then the TREE_VEC contains the
2109 arguments directly. If there is more than one level of template
2110 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2111 containing the template arguments for a single level. The first
2112 entry in the outer TREE_VEC is the outermost level of template
2113 parameters; the last is the innermost.
2115 It is incorrect to ever form a template argument vector containing
2116 only one level of arguments, but which is a TREE_VEC containing as
2117 its only entry the TREE_VEC for that level. */
2119 /* Nonzero if the template arguments is actually a vector of vectors,
2120 rather than just a vector. */
2121 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2122 (NODE && TREE_VEC_ELT (NODE, 0) \
2123 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2125 /* The depth of a template argument vector. When called directly by
2126 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2127 template arguments. In fact, we may even see NULL_TREE if there
2128 are no template arguments. In both of those cases, there is only
2129 one level of template arguments. */
2130 #define TMPL_ARGS_DEPTH(NODE) \
2131 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2133 /* The LEVELth level of the template ARGS. The outermost level of
2134 args is level 1, not level 0. */
2135 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2136 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2137 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2139 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2140 not work with single-level argument vectors. */
2141 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2142 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2144 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2145 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2146 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2148 /* Set the IDXth element in the LEVELth level of ARGS to VAL. This
2149 macro does not work with single-level argument vectors. */
2150 #define SET_TMPL_ARG(ARGS, LEVEL, IDX, VAL) \
2151 (TREE_VEC_ELT (TREE_VEC_ELT ((ARGS), (LEVEL) - 1), (IDX)) = (VAL))
2153 /* Given a single level of template arguments in NODE, return the
2154 number of arguments. */
2155 #define NUM_TMPL_ARGS(NODE) \
2156 (TREE_VEC_LENGTH (NODE))
2158 /* Returns the innermost level of template arguments in ARGS. */
2159 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2160 (get_innermost_template_args ((NODE), 1))
2162 /* The number of levels of template parameters given by NODE. */
2163 #define TMPL_PARMS_DEPTH(NODE) \
2164 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2166 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2167 TEMPLATE_DECL will be the immediate parent, not the most general
2168 template. For example, in:
2170 template <class T> struct S { template <class U> void f(U); }
2172 the FUNCTION_DECL for S<int>::f<double> will have, as its
2173 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2175 As a special case, for a member friend template of a template
2176 class, this value will not be a TEMPLATE_DECL, but rather an
2177 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2178 any explicit template arguments provided. For example, in:
2180 template <class T> struct S { friend void f<int>(int, double); }
2182 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2183 DECL_TI_ARGS will be {int}. */
2184 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2186 /* The template arguments used to obtain this decl from the most
2187 general form of DECL_TI_TEMPLATE. For the example given for
2188 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2189 are always the full set of arguments required to instantiate this
2190 declaration from the most general template specialized here. */
2191 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2192 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2193 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2194 #define ENUM_TI_TEMPLATE(NODE) \
2195 TI_TEMPLATE (ENUM_TEMPLATE_INFO (NODE))
2196 #define ENUM_TI_ARGS(NODE) \
2197 TI_ARGS (ENUM_TEMPLATE_INFO (NODE))
2199 /* For a template instantiation TYPE, returns the TYPE corresponding
2200 to the primary template. Otherwise returns TYPE itself. */
2201 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2202 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2203 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2204 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2207 /* Like DECL_TI_TEMPLATE, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2208 #define TYPE_TI_TEMPLATE(NODE) \
2209 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2211 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2212 #define TYPE_TI_ARGS(NODE) \
2213 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2215 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2217 /* Nonzero if the NODE corresponds to the template parameters for a
2218 member template, whose inline definition is being processed after
2219 the class definition is complete. */
2220 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2222 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2223 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2224 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
2225 ->u.f.u.saved_language_function)
2227 #define NEW_EXPR_USE_GLOBAL(NODE) \
2228 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
2229 #define DELETE_EXPR_USE_GLOBAL(NODE) \
2230 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
2231 #define DELETE_EXPR_USE_VEC(NODE) \
2232 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
2234 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2235 resolve to a function call. */
2236 #define COMPOUND_EXPR_OVERLOADED(NODE) \
2237 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
2239 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2240 should be performed at instantiation time. */
2241 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
2243 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2244 constructor call, rather than an ordinary function call. */
2245 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2246 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2248 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2249 TEMPLATE_DECL. This macro determines whether or not a given class
2250 type is really a template type, as opposed to an instantiation or
2251 specialization of one. */
2252 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2253 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2254 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2255 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2257 /* The name used by the user to name the typename type. Typically,
2258 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2259 corresponding TYPE_DECL. However, this may also be a
2260 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2261 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values
2263 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2264 using a twos-complement negated operand. */
2265 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2267 /* Nonzero in any kind of _TYPE where conversions to base-classes may
2268 involve pointer arithmetic. If this is zero, then converting to
2269 a base-class never requires changing the value of the pointer. */
2270 #define TYPE_BASE_CONVS_MAY_REQUIRE_CODE_P(NODE) (TREE_LANG_FLAG_1 (NODE))
2274 A class that declares or inherits a virtual function is called a
2275 polymorphic class. */
2276 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2278 /* Nonzero if this class has a virtual function table pointer. */
2279 #define TYPE_CONTAINS_VPTR_P(NODE) \
2280 (TYPE_POLYMORPHIC_P (NODE) \
2281 || TYPE_USES_VIRTUAL_BASECLASSES (NODE))
2283 /* This flag is true of a local VAR_DECL if it was declared in a for
2284 statement, but we are no longer in the scope of the for. */
2285 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2287 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2288 if we already emitted a warning about using it. */
2289 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2291 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2292 scope) declared in a local scope. */
2293 #define DECL_LOCAL_FUNCTION_P(NODE) \
2294 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2296 /* Nonzero if NODE is a FUNCTION_DECL for a built-in function, and we have
2297 not yet seen a prototype for that function. */
2298 #define DECL_ANTICIPATED(NODE) \
2299 (DECL_LANG_SPECIFIC (DECL_CHECK (NODE))->decl_flags.anticipated_p)
2301 /* Record whether a typedef for type `int' was actually `signed int'. */
2302 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2304 /* Returns nonzero if DECL has external linkage, as specified by the
2305 language standard. (This predicate may hold even when the
2306 corresponding entity is not actually given external linkage in the
2307 object file; see decl_linkage for details.) */
2308 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2309 (decl_linkage (DECL) == lk_external)
2311 #define INTEGRAL_CODE_P(CODE) \
2312 ((CODE) == INTEGER_TYPE || (CODE) == ENUMERAL_TYPE || (CODE) == BOOLEAN_TYPE)
2314 /* [basic.fundamental]
2316 Types bool, char, wchar_t, and the signed and unsigned integer types
2317 are collectively called integral types.
2319 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2320 types as well, which is incorrect in C++. */
2321 #define CP_INTEGRAL_TYPE_P(TYPE) \
2322 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2323 || TREE_CODE (TYPE) == INTEGER_TYPE)
2325 /* Returns true if TYPE is an integral or enumeration name. */
2326 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2327 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == ENUMERAL_TYPE)
2329 /* [basic.fundamental]
2331 Integral and floating types are collectively called arithmetic
2333 #define ARITHMETIC_TYPE_P(TYPE) \
2334 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == REAL_TYPE)
2338 Arithmetic types, enumeration types, pointer types, and
2339 pointer-to-member types, are collectively called scalar types. */
2340 #define SCALAR_TYPE_P(TYPE) \
2341 (ARITHMETIC_TYPE_P (TYPE) \
2342 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2343 || TYPE_PTR_P (TYPE) \
2344 || TYPE_PTR_TO_MEMBER_P (TYPE))
2348 An aggregate is an array or a class with no user-declared
2349 constructors, no private or protected non-static data members, no
2350 base classes, and no virtual functions.
2352 As an extension, we also treat vectors as aggregates. */
2353 #define CP_AGGREGATE_TYPE_P(TYPE) \
2354 (TREE_CODE (TYPE) == ARRAY_TYPE \
2355 || TREE_CODE (TYPE) == VECTOR_TYPE \
2356 || (CLASS_TYPE_P (TYPE) \
2357 && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2359 /* Nonzero for a class type means that the class type has a
2360 user-declared constructor. */
2361 #define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2363 /* When appearing in an INDIRECT_REF, it means that the tree structure
2364 underneath is actually a call to a constructor. This is needed
2365 when the constructor must initialize local storage (which can
2366 be automatically destroyed), rather than allowing it to allocate
2367 space from the heap.
2369 When appearing in a SAVE_EXPR, it means that underneath
2370 is a call to a constructor.
2372 When appearing in a CONSTRUCTOR, the expression is a
2375 When appearing in a FIELD_DECL, it means that this field
2376 has been duly initialized in its constructor. */
2377 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2379 /* True if NODE is a brace-enclosed initializer. */
2380 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
2381 (TREE_CODE (NODE) == CONSTRUCTOR && !TREE_TYPE (NODE))
2383 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2384 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE \
2385 && ! TREE_HAS_CONSTRUCTOR (NODE))
2387 /* Nonzero for _TYPE means that the _TYPE defines a destructor. */
2388 #define TYPE_HAS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_2 (NODE))
2390 /* Nonzero means that an object of this type can not be initialized using
2391 an initializer list. */
2392 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2393 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2394 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
2395 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
2397 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
2398 #define TYPE_HAS_REAL_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_real_assign_ref)
2399 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
2400 #define TYPE_HAS_ABSTRACT_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_abstract_assign_ref)
2401 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
2403 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
2405 A destructor is trivial if it is an implicitly declared
2408 - all of the direct base classes of its class have trivial
2411 - for all of the non-static data members of its class that are
2412 of class type (or array thereof), each such class has a
2413 trivial destructor. */
2414 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
2415 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
2417 /* Nonzero for _TYPE node means that this type does not have a trivial
2418 destructor. Therefore, destroying an object of this type will
2419 involve a call to a destructor. This can apply to objects of
2420 ARRAY_TYPE is the type of the elements needs a destructor. */
2421 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
2422 (TYPE_LANG_FLAG_4 (NODE))
2424 /* Nonzero for class type means that copy initialization of this type can use
2426 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
2427 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
2429 /* Nonzero for class type means that assignment of this type can use
2431 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
2432 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
2434 /* Returns true if NODE is a pointer-to-data-member. */
2435 #define TYPE_PTRMEM_P(NODE) \
2436 (TREE_CODE (NODE) == OFFSET_TYPE)
2437 #define TYPE_PTR_P(NODE) \
2438 (TREE_CODE (NODE) == POINTER_TYPE)
2439 #define TYPE_PTROB_P(NODE) \
2440 (TYPE_PTR_P (NODE) \
2441 && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE \
2442 && TREE_CODE (TREE_TYPE (NODE)) != METHOD_TYPE \
2443 && TREE_CODE (TREE_TYPE (NODE)) != VOID_TYPE)
2444 #define TYPE_PTROBV_P(NODE) \
2445 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE)
2446 #define TYPE_PTRFN_P(NODE) \
2447 (TREE_CODE (NODE) == POINTER_TYPE \
2448 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2449 #define TYPE_REFFN_P(NODE) \
2450 (TREE_CODE (NODE) == REFERENCE_TYPE \
2451 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2453 /* Nonzero for _TYPE node means that this type is a pointer to member
2455 #define TYPE_PTRMEMFUNC_P(NODE) \
2456 (TREE_CODE (NODE) == RECORD_TYPE \
2457 && TYPE_LANG_SPECIFIC (NODE) \
2458 && TYPE_PTRMEMFUNC_FLAG (NODE))
2460 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
2461 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
2463 /* Returns true if NODE is a pointer-to-member. */
2464 #define TYPE_PTR_TO_MEMBER_P(NODE) \
2465 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
2467 /* Indicates when overload resolution may resolve to a pointer to
2468 member function. [expr.unary.op]/3 */
2469 #define PTRMEM_OK_P(NODE) \
2470 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF))
2472 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
2473 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
2474 before using this macro. */
2475 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
2476 (TREE_TYPE (TYPE_FIELDS (NODE)))
2478 /* Returns `A' for a type like `int (A::*)(double)' */
2479 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
2480 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2482 /* These are use to manipulate the canonical RECORD_TYPE from the
2483 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
2484 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
2485 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
2486 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
2488 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
2490 TYPE_LANG_SPECIFIC (NODE) = \
2491 ggc_alloc_cleared (sizeof (struct lang_type_ptrmem)); \
2492 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
2494 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
2496 /* Returns the pfn field from a TYPE_PTRMEMFUNC_P. */
2497 #define PFN_FROM_PTRMEMFUNC(NODE) pfn_from_ptrmemfunc ((NODE))
2499 /* For a pointer-to-member type of the form `T X::*', this is `X'.
2500 For a type like `void (X::*)() const', this type is `X', not `const
2501 X'. To get at the `const X' you have to look at the
2502 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
2504 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
2505 (TYPE_PTRMEM_P (NODE) \
2506 ? TYPE_OFFSET_BASETYPE (NODE) \
2507 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
2509 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
2510 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
2511 (TYPE_PTRMEM_P (NODE) \
2512 ? TREE_TYPE (NODE) \
2513 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2515 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
2517 #define PTRMEM_CST_CLASS(NODE) \
2518 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
2520 /* For a pointer-to-member constant `X::Y' this is the _DECL for
2522 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
2524 /* The expression in question for a TYPEOF_TYPE. */
2525 #define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values
2527 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
2528 specified in its declaration. This can also be set for an
2529 erroneously declared PARM_DECL. */
2530 #define DECL_THIS_EXTERN(NODE) \
2531 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2533 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
2534 specified in its declaration. This can also be set for an
2535 erroneously declared PARM_DECL. */
2536 #define DECL_THIS_STATIC(NODE) \
2537 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2539 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
2540 flag for this because "A union for which objects or pointers are
2541 declared is not an anonymous union" [class.union]. */
2542 #define ANON_AGGR_TYPE_P(NODE) \
2543 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
2544 #define SET_ANON_AGGR_TYPE_P(NODE) \
2545 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
2547 /* Nonzero if TYPE is an anonymous union type. */
2548 #define ANON_UNION_TYPE_P(NODE) \
2549 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
2551 #define UNKNOWN_TYPE LANG_TYPE
2553 /* Define fields and accessors for nodes representing declared names. */
2555 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
2557 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
2559 /* The format of each node in the DECL_FRIENDLIST is as follows:
2561 The TREE_PURPOSE will be the name of a function, i.e., an
2562 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
2563 TREE_VALUEs are friends with the given name. */
2564 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
2565 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2566 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2568 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
2569 each node is a type; the TREE_VALUE is the access granted for this
2570 DECL in that type. The DECL_ACCESS is set by access declarations.
2571 For example, if a member that would normally be public in a
2572 derived class is made protected, then the derived class and the
2573 protected_access_node will appear in the DECL_ACCESS for the node. */
2574 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
2576 /* Nonzero if the FUNCTION_DECL is a global constructor. */
2577 #define DECL_GLOBAL_CTOR_P(NODE) \
2578 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_ctor_p)
2580 /* Nonzero if the FUNCTION_DECL is a global destructor. */
2581 #define DECL_GLOBAL_DTOR_P(NODE) \
2582 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_dtor_p)
2584 /* Accessor macros for C++ template decl nodes. */
2586 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
2587 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
2588 template parameters, with 1 being the outermost set of template
2589 parameters. The TREE_VALUE is a vector, whose elements are the
2590 template parameters at each level. Each element in the vector is a
2591 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
2592 non-type parameter), or a TYPE_DECL (if the parameter is a type
2593 parameter). The TREE_PURPOSE is the default value, if any. The
2594 TEMPLATE_PARM_INDEX for the parameter is available as the
2595 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
2597 #define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS (NODE)
2598 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
2599 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
2600 #define DECL_NTPARMS(NODE) \
2601 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
2602 /* For function, method, class-data templates. */
2603 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
2604 /* For a static member variable template, the
2605 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
2606 implicitly generated instantiations of the variable. There are no
2607 partial instantiations of static member variables, so all of these
2608 will be full instantiations.
2610 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
2611 all instantiations and specializations of the class type, including
2612 partial instantiations and partial specializations.
2614 In both cases, the TREE_PURPOSE of each node contains the arguments
2615 used; the TREE_VALUE contains the generated variable. The template
2616 arguments are always complete. For example, given:
2618 template <class T> struct S1 {
2619 template <class U> struct S2 {};
2620 template <class U> struct S2<U*> {};
2623 the record for the partial specialization will contain, as its
2624 argument list, { {T}, {U*} }, and will be on the
2625 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
2626 <class U> struct S1<T>::S2'.
2628 This list is not used for function templates. */
2629 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
2630 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
2631 contains all instantiations and specializations of the function,
2632 including partial instantiations. For a partial instantiation
2633 which is a specialization, this list holds only full
2634 specializations of the template that are instantiations of the
2635 partial instantiation. For example, given:
2637 template <class T> struct S {
2638 template <class U> void f(U);
2639 template <> void f(T);
2642 the `S<int>::f<int>(int)' function will appear on the
2643 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
2644 template <class U> void S<T>::f(U)' and `template <class T> void
2645 S<int>::f(T)'. In the latter case, however, it will have only the
2646 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
2647 for the function declaration will point at the specialization, not
2648 the fully general template.
2650 For a class template, this list contains the partial
2651 specializations of this template. (Full specializations are not
2652 recorded on this list.) The TREE_PURPOSE holds the innermost
2653 arguments used in the partial specialization (e.g., for `template
2654 <class T> struct S<T*, int>' this will be `T*'.) The TREE_VALUE
2655 holds the innermost template parameters for the specialization
2656 (e.g., `T' in the example above.) The TREE_TYPE is the _TYPE node
2657 for the partial specialization.
2659 This list is not used for static variable templates. */
2660 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
2662 /* Nonzero for a DECL which is actually a template parameter. */
2663 #define DECL_TEMPLATE_PARM_P(NODE) \
2664 (DECL_LANG_FLAG_0 (NODE) \
2665 && (TREE_CODE (NODE) == CONST_DECL \
2666 || TREE_CODE (NODE) == PARM_DECL \
2667 || TREE_CODE (NODE) == TYPE_DECL \
2668 || TREE_CODE (NODE) == TEMPLATE_DECL))
2670 /* Mark NODE as a template parameter. */
2671 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
2672 (DECL_LANG_FLAG_0 (NODE) = 1)
2674 /* Nonzero if NODE is a template template parameter. */
2675 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
2676 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
2678 /* Nonzero if NODE is a TEMPLATE_DECL representing an
2679 UNBOUND_CLASS_TEMPLATE tree node. */
2680 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
2681 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
2683 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
2684 (TREE_CODE (NODE) == TEMPLATE_DECL \
2685 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2686 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
2688 /* Nonzero for a DECL that represents a template class. */
2689 #define DECL_CLASS_TEMPLATE_P(NODE) \
2690 (TREE_CODE (NODE) == TEMPLATE_DECL \
2691 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2692 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
2693 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
2695 /* Nonzero if NODE which declares a type. */
2696 #define DECL_DECLARES_TYPE_P(NODE) \
2697 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
2699 /* Nonzero if NODE is the typedef implicitly generated for a type when
2700 the type is declared. In C++, `struct S {};' is roughly
2701 equivalent to `struct S {}; typedef struct S S;' in C.
2702 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
2703 example. In C++, there is a second implicit typedef for each
2704 class, in the scope of `S' itself, so that you can say `S::S'.
2705 DECL_SELF_REFERENCE_P will hold for that second typedef. */
2706 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
2707 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
2708 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
2709 (DECL_LANG_FLAG_2 (NODE) = 1)
2710 #define DECL_SELF_REFERENCE_P(NODE) \
2711 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
2712 #define SET_DECL_SELF_REFERENCE_P(NODE) \
2713 (DECL_LANG_FLAG_4 (NODE) = 1)
2715 /* A `primary' template is one that has its own template header. A
2716 member function of a class template is a template, but not primary.
2717 A member template is primary. Friend templates are primary, too. */
2719 /* Returns the primary template corresponding to these parameters. */
2720 #define DECL_PRIMARY_TEMPLATE(NODE) \
2721 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
2723 /* Returns nonzero if NODE is a primary template. */
2724 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
2726 #define CLASSTYPE_TEMPLATE_LEVEL(NODE) \
2727 (TREE_INT_CST_LOW (TREE_PURPOSE (CLASSTYPE_TI_TEMPLATE (NODE))))
2729 /* Indicates whether or not (and how) a template was expanded for this
2730 FUNCTION_DECL or VAR_DECL.
2731 0=normal declaration, e.g. int min (int, int);
2732 1=implicit template instantiation
2733 2=explicit template specialization, e.g. int min<int> (int, int);
2734 3=explicit template instantiation, e.g. template int min<int> (int, int); */
2735 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.use_template)
2737 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
2738 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
2739 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
2741 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
2742 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
2743 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2744 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
2745 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2746 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
2748 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
2749 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
2750 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2751 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
2752 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2753 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
2755 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
2756 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
2757 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2758 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
2759 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2760 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
2762 /* Nonzero if DECL is a friend function which is an instantiation
2763 from the point of view of the compiler, but not from the point of
2764 view of the language. For example given:
2765 template <class T> struct S { friend void f(T) {}; };
2766 the declaration of `void f(int)' generated when S<int> is
2767 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
2768 a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
2769 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
2770 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
2772 /* Nonzero iff we are currently processing a declaration for an
2773 entity with its own template parameter list, and which is not a
2774 full specialization. */
2775 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
2776 (processing_template_decl > template_class_depth (current_scope ()))
2778 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
2779 instantiated, i.e. its definition has been generated from the
2780 pattern given in the the template. */
2781 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
2782 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
2784 /* We know what we're doing with this decl now. */
2785 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
2787 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
2788 so that assemble_external will work properly. So we have this flag to
2789 tell us whether the decl is really not external. */
2790 #define DECL_NOT_REALLY_EXTERN(NODE) \
2791 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
2793 #define DECL_REALLY_EXTERN(NODE) \
2794 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
2796 /* A thunk is a stub function.
2798 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
2799 The address of the ordinary FUNCTION_DECL is given by the
2800 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
2801 FUNCTION_DECL. The job of the thunk is to either adjust the this
2802 pointer before transferring control to the FUNCTION_DECL, or call
2803 FUNCTION_DECL and then adjust the result value. Note, the result
2804 pointer adjusting thunk must perform a call to the thunked
2805 function, (or be implemented via passing some invisible parameter
2806 to the thunked function, which is modified to perform the
2807 adjustment just before returning).
2809 A thunk may perform either, or both, of the following operations:
2811 o Adjust the this or result pointer by a constant offset.
2812 o Adjust the this or result pointer by looking up a vcall or vbase offset
2815 A this pointer adjusting thunk converts from a base to a derived
2816 class, and hence adds the offsets. A result pointer adjusting thunk
2817 converts from a derived class to a base, and hence subtracts the
2818 offsets. If both operations are performed, then the constant
2819 adjustment is performed first for this pointer adjustment and last
2820 for the result pointer adjustment.
2822 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
2823 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
2824 used. For this pointer adjusting thunks, it is the vcall offset
2825 into the vtable. For result pointer adjusting thunks it is the
2826 binfo of the virtual base to convert to. Use that binfo's vbase
2829 It is possible to have equivalent covariant thunks. These are
2830 distinct virtual covariant thunks whose vbase offsets happen to
2831 have the same value. THUNK_ALIAS is used to pick one as the
2832 canonical thunk, which will get all the this pointer adjusting
2833 thunks attached to it. */
2835 /* An integer indicating how many bytes should be subtracted from the
2836 this or result pointer when this function is called. */
2837 #define THUNK_FIXED_OFFSET(DECL) \
2838 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL))->u.f.fixed_offset)
2840 /* A tree indicating how to perform the virtual adjustment. For a this
2841 adjusting thunk it is the number of bytes to be added to the vtable
2842 to find the vcall offset. For a result adjusting thunk, it is the
2843 binfo of the relevant virtual base. If NULL, then there is no
2844 virtual adjust. (The vptr is always located at offset zero from
2845 the this or result pointer.) (If the covariant type is within the
2846 class hierarchy being laid out, the vbase index is not yet known
2847 at the point we need to create the thunks, hence the need to use
2850 #define THUNK_VIRTUAL_OFFSET(DECL) \
2851 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->virtual_offset)
2853 /* A thunk which is equivalent to another thunk. */
2854 #define THUNK_ALIAS(DECL) \
2855 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.thunk_alias)
2857 /* For thunk NODE, this is the FUNCTION_DECL thunked to. */
2858 #define THUNK_TARGET(NODE) \
2859 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
2861 /* These macros provide convenient access to the various _STMT nodes
2862 created when parsing template declarations. */
2863 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
2864 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
2866 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
2867 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
2869 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
2871 /* Nonzero if this try block is a function try block. */
2872 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
2873 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
2874 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
2875 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
2877 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
2878 and the VAR_DECL for which this cleanup exists. */
2879 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
2880 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
2881 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
2883 /* IF_STMT accessors. These give access to the condition of the if
2884 statement, the then block of the if statement, and the else block
2885 of the if statement if it exists. */
2886 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
2887 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
2888 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
2890 /* An enumeration of the kind of tags that C++ accepts. */
2892 none_type = 0, /* Not a tag type. */
2893 record_type, /* "struct" types. */
2894 class_type, /* "class" types. */
2895 union_type, /* "union" types. */
2896 enum_type, /* "enum" types. */
2897 typename_type /* "typename" types. */
2900 /* The various kinds of lvalues we distinguish. */
2901 typedef enum cp_lvalue_kind {
2902 clk_none = 0, /* Things that are not an lvalue. */
2903 clk_ordinary = 1, /* An ordinary lvalue. */
2904 clk_class = 2, /* An rvalue of class-type. */
2905 clk_bitfield = 4, /* An lvalue for a bit-field. */
2906 clk_packed = 8 /* An lvalue for a packed field. */
2909 /* Various kinds of template specialization, instantiation, etc. */
2910 typedef enum tmpl_spec_kind {
2911 tsk_none, /* Not a template at all. */
2912 tsk_invalid_member_spec, /* An explicit member template
2913 specialization, but the enclosing
2914 classes have not all been explicitly
2916 tsk_invalid_expl_inst, /* An explicit instantiation containing
2917 template parameter lists. */
2918 tsk_excessive_parms, /* A template declaration with too many
2919 template parameter lists. */
2920 tsk_insufficient_parms, /* A template declaration with too few
2922 tsk_template, /* A template declaration. */
2923 tsk_expl_spec, /* An explicit specialization. */
2924 tsk_expl_inst /* An explicit instantiation. */
2927 /* The various kinds of access. BINFO_ACCESS depends on these being
2928 two bit quantities. The numerical values are important; they are
2929 used to initialize RTTI data structures, so changing them changes
2931 typedef enum access_kind {
2932 ak_none = 0, /* Inaccessible. */
2933 ak_public = 1, /* Accessible, as a `public' thing. */
2934 ak_protected = 2, /* Accessible, as a `protected' thing. */
2935 ak_private = 3 /* Accessible, as a `private' thing. */
2938 /* The various kinds of special functions. If you add to this list,
2939 you should update special_function_p as well. */
2940 typedef enum special_function_kind {
2941 sfk_none = 0, /* Not a special function. This enumeral
2942 must have value zero; see
2943 special_function_p. */
2944 sfk_constructor, /* A constructor. */
2945 sfk_copy_constructor, /* A copy constructor. */
2946 sfk_assignment_operator, /* An assignment operator. */
2947 sfk_destructor, /* A destructor. */
2948 sfk_complete_destructor, /* A destructor for complete objects. */
2949 sfk_base_destructor, /* A destructor for base subobjects. */
2950 sfk_deleting_destructor, /* A destructor for complete objects that
2951 deletes the object after it has been
2953 sfk_conversion /* A conversion operator. */
2954 } special_function_kind;
2956 /* The various kinds of linkage. From [basic.link],
2958 A name is said to have linkage when it might denote the same
2959 object, reference, function, type, template, namespace or value
2960 as a name introduced in another scope:
2962 -- When a name has external linkage, the entity it denotes can
2963 be referred to from scopes of other translation units or from
2964 other scopes of the same translation unit.
2966 -- When a name has internal linkage, the entity it denotes can
2967 be referred to by names from other scopes in the same
2970 -- When a name has no linkage, the entity it denotes cannot be
2971 referred to by names from other scopes. */
2973 typedef enum linkage_kind {
2974 lk_none, /* No linkage. */
2975 lk_internal, /* Internal linkage. */
2976 lk_external /* External linkage. */
2979 /* Bitmask flags to control type substitution. */
2980 typedef enum tsubst_flags_t {
2981 tf_none = 0, /* nothing special */
2982 tf_error = 1 << 0, /* give error messages */
2983 tf_warning = 1 << 1, /* give warnings too */
2984 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
2985 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
2986 (make_typename_type use) */
2987 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
2988 instantiate_type use) */
2989 tf_user = 1 << 5, /* found template must be a user template
2990 (lookup_template_class use) */
2991 tf_conv = 1 << 6 /* We are determining what kind of
2992 conversion might be permissible,
2993 not actually performing the
2997 /* The kind of checking we can do looking in a class hierarchy. */
2998 typedef enum base_access {
2999 ba_any = 0, /* Do not check access, allow an ambiguous base,
3000 prefer a non-virtual base */
3001 ba_ignore = 1, /* Do not check access */
3002 ba_check = 2, /* Check access */
3003 ba_not_special = 3, /* Do not consider special privilege
3004 current_class_type might give. */
3005 ba_quiet = 4 /* Do not issue error messages (bit mask). */
3008 /* The various kinds of access check during parsing. */
3009 typedef enum deferring_kind {
3010 dk_no_deferred = 0, /* Check access immediately */
3011 dk_deferred = 1, /* Deferred check */
3012 dk_no_check = 2 /* No access check */
3015 /* The kind of base we can find, looking in a class hierarchy.
3016 Values <0 indicate we failed. */
3017 typedef enum base_kind {
3018 bk_inaccessible = -3, /* The base is inaccessible */
3019 bk_ambig = -2, /* The base is ambiguous */
3020 bk_not_base = -1, /* It is not a base */
3021 bk_same_type = 0, /* It is the same type */
3022 bk_proper_base = 1, /* It is a proper base */
3023 bk_via_virtual = 2 /* It is a proper base, but via a virtual
3024 path. This might not be the canonical
3029 /* A node that is a list (length 1) of error_mark_nodes. */
3030 extern GTY(()) tree error_mark_list;
3032 /* Node for "pointer to (virtual) function".
3033 This may be distinct from ptr_type_node so gdb can distinguish them. */
3034 #define vfunc_ptr_type_node vtable_entry_type
3037 /* For building calls to `delete'. */
3038 extern GTY(()) tree integer_two_node;
3039 extern GTY(()) tree integer_three_node;
3041 /* The number of function bodies which we are currently processing.
3042 (Zero if we are at namespace scope, one inside the body of a
3043 function, two inside the body of a function in a local class, etc.) */
3044 extern int function_depth;
3048 /* These values are used for the `STRICT' parameter to type_unification and
3049 fn_type_unification. Their meanings are described with the
3050 documentation for fn_type_unification. */
3052 typedef enum unification_kind_t {
3057 } unification_kind_t;
3059 /* Macros for operating on a template instantiation level node. */
3061 #define TINST_DECL(NODE) TREE_OPERAND (NODE, 0)
3065 extern int current_class_depth;
3067 /* An array of all local classes present in this translation unit, in
3068 declaration order. */
3069 extern GTY(()) varray_type local_classes;
3071 /* Here's where we control how name mangling takes place. */
3073 /* Cannot use '$' up front, because this confuses gdb
3074 (names beginning with '$' are gdb-local identifiers).
3076 Note that all forms in which the '$' is significant are long enough
3077 for direct indexing (meaning that if we know there is a '$'
3078 at a particular location, we can index into the string at
3079 any other location that provides distinguishing characters). */
3081 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
3082 doesn't allow '$' in symbol names. */
3083 #ifndef NO_DOLLAR_IN_LABEL
3087 #define VPTR_NAME "$v"
3088 #define THROW_NAME "$eh_throw"
3089 #define AUTO_VTABLE_NAME "__vtbl$me__"
3090 #define AUTO_TEMP_NAME "_$tmp_"
3091 #define AUTO_TEMP_FORMAT "_$tmp_%d"
3092 #define VTABLE_BASE "$vb"
3093 #define VTABLE_NAME_PREFIX "__vt_"
3094 #define VFIELD_BASE "$vf"
3095 #define VFIELD_NAME "_vptr$"
3096 #define VFIELD_NAME_FORMAT "_vptr$%s"
3097 #define STATIC_NAME_FORMAT "_%s$%s"
3098 #define ANON_AGGRNAME_FORMAT "$_%d"
3100 #else /* NO_DOLLAR_IN_LABEL */
3102 #ifndef NO_DOT_IN_LABEL
3106 #define VPTR_NAME ".v"
3107 #define THROW_NAME ".eh_throw"
3108 #define AUTO_VTABLE_NAME "__vtbl.me__"
3109 #define AUTO_TEMP_NAME "_.tmp_"
3110 #define AUTO_TEMP_FORMAT "_.tmp_%d"
3111 #define VTABLE_BASE ".vb"
3112 #define VTABLE_NAME_PREFIX "__vt_"
3113 #define VFIELD_BASE ".vf"
3114 #define VFIELD_NAME "_vptr."
3115 #define VFIELD_NAME_FORMAT "_vptr.%s"
3116 #define STATIC_NAME_FORMAT "_%s.%s"
3118 #define ANON_AGGRNAME_FORMAT "._%d"
3120 #else /* NO_DOT_IN_LABEL */
3122 #define VPTR_NAME "__vptr"
3123 #define VPTR_NAME_P(ID_NODE) \
3124 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VPTR_NAME, sizeof (VPTR_NAME) - 1))
3125 #define THROW_NAME "__eh_throw"
3126 #define IN_CHARGE_NAME "__in_chrg"
3127 #define AUTO_VTABLE_NAME "__vtbl_me__"
3128 #define AUTO_TEMP_NAME "__tmp_"
3129 #define TEMP_NAME_P(ID_NODE) \
3130 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3131 sizeof (AUTO_TEMP_NAME) - 1))
3132 #define AUTO_TEMP_FORMAT "__tmp_%d"
3133 #define VTABLE_BASE "__vtb"
3134 #define VTABLE_NAME "__vt_"
3135 #define VTABLE_NAME_PREFIX "__vt_"
3136 #define VTABLE_NAME_P(ID_NODE) \
3137 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3138 sizeof (VTABLE_NAME) - 1))
3139 #define VFIELD_BASE "__vfb"
3140 #define VFIELD_NAME "__vptr_"
3141 #define VFIELD_NAME_P(ID_NODE) \
3142 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3143 sizeof (VFIELD_NAME) - 1))
3144 #define VFIELD_NAME_FORMAT "__vptr_%s"
3145 #define STATIC_NAME_FORMAT "__static_%s_%s"
3147 #define ANON_AGGRNAME_PREFIX "__anon_"
3148 #define ANON_AGGRNAME_P(ID_NODE) \
3149 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3150 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3151 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3153 #endif /* NO_DOT_IN_LABEL */
3154 #endif /* NO_DOLLAR_IN_LABEL */
3156 #define THIS_NAME "this"
3157 #define CTOR_NAME "__ct"
3158 #define DTOR_NAME "__dt"
3160 #define IN_CHARGE_NAME "__in_chrg"
3162 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3163 #define VTABLE_DELTA_NAME "__delta"
3164 #define VTABLE_PFN_NAME "__pfn"
3166 #define EXCEPTION_CLEANUP_NAME "exception cleanup"
3168 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3170 #define VPTR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3171 && IDENTIFIER_POINTER (ID_NODE)[1] == 'v')
3173 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3174 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3175 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3177 #define TEMP_NAME_P(ID_NODE) \
3178 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3179 #define VFIELD_NAME_P(ID_NODE) \
3180 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3182 /* For anonymous aggregate types, we need some sort of name to
3183 hold on to. In practice, this should not appear, but it should
3184 not be harmful if it does. */
3185 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3186 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3187 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3189 /* Returns nonzero iff NODE is a declaration for the global function
3191 #define DECL_MAIN_P(NODE) \
3192 (DECL_EXTERN_C_FUNCTION_P (NODE) \
3193 && DECL_NAME (NODE) != NULL_TREE \
3194 && MAIN_NAME_P (DECL_NAME (NODE)))
3197 /* Nonzero if we're done parsing and into end-of-file activities. */
3201 /* A list of namespace-scope objects which have constructors or
3202 destructors which reside in the global scope. The decl is stored
3203 in the TREE_VALUE slot and the initializer is stored in the
3204 TREE_PURPOSE slot. */
3205 extern GTY(()) tree static_aggregates;
3207 /* Functions called along with real static constructors and destructors. */
3209 extern GTY(()) tree static_ctors;
3210 extern GTY(()) tree static_dtors;
3212 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
3214 /* Some macros for char-based bitfields. */
3215 #define B_SET(A,X) ((A)[(X)>>3] |= (1 << ((X)&7)))
3216 #define B_CLR(A,X) ((A)[(X)>>3] &= ~(1 << ((X)&7)))
3217 #define B_TST(A,X) ((A)[(X)>>3] & (1 << ((X)&7)))
3219 /* These are uses as bits in flags passed to build_new_method_call
3220 to control its error reporting behavior.
3222 LOOKUP_PROTECT means flag access violations.
3223 LOOKUP_COMPLAIN mean complain if no suitable member function
3224 matching the arguments is found.
3225 LOOKUP_NORMAL is just a combination of these two.
3226 LOOKUP_NONVIRTUAL means make a direct call to the member function found
3227 LOOKUP_GLOBAL means search through the space of overloaded functions,
3228 as well as the space of member functions.
3229 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
3230 DIRECT_BIND means that if a temporary is created, it should be created so
3231 that it lives as long as the current variable bindings; otherwise it
3232 only lives until the end of the complete-expression. It also forces
3233 direct-initialization in cases where other parts of the compiler have
3234 already generated a temporary, such as reference initialization and the
3236 LOOKUP_NO_CONVERSION means that user-defined conversions are not
3237 permitted. Built-in conversions are permitted.
3238 LOOKUP_DESTRUCTOR means explicit call to destructor.
3239 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references.
3241 These are used in global lookup to support elaborated types and
3244 LOOKUP_PREFER_TYPES means not to accept objects, and possibly namespaces.
3245 LOOKUP_PREFER_NAMESPACES means not to accept objects, and possibly types.
3246 LOOKUP_PREFER_BOTH means class-or-namespace-name. */
3248 #define LOOKUP_PROTECT (1 << 0)
3249 #define LOOKUP_COMPLAIN (1 << 1)
3250 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3251 #define LOOKUP_NONVIRTUAL (1 << 2)
3252 #define LOOKUP_GLOBAL (1 << 3)
3253 #define LOOKUP_ONLYCONVERTING (1 << 4)
3254 #define DIRECT_BIND (1 << 5)
3255 #define LOOKUP_NO_CONVERSION (1 << 6)
3256 #define LOOKUP_DESTRUCTOR (1 << 7)
3257 #define LOOKUP_NO_TEMP_BIND (1 << 8)
3258 #define LOOKUP_PREFER_TYPES (1 << 9)
3259 #define LOOKUP_PREFER_NAMESPACES (1 << 10)
3260 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
3261 #define LOOKUP_CONSTRUCTOR_CALLABLE (1 << 11)
3263 #define LOOKUP_NAMESPACES_ONLY(F) \
3264 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
3265 #define LOOKUP_TYPES_ONLY(F) \
3266 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
3267 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
3270 /* These flags are used by the conversion code.
3271 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
3272 CONV_STATIC : Perform the explicit conversions for static_cast.
3273 CONV_CONST : Perform the explicit conversions for const_cast.
3274 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
3275 CONV_PRIVATE : Perform upcasts to private bases.
3276 CONV_FORCE_TEMP : Require a new temporary when converting to the same
3279 #define CONV_IMPLICIT 1
3280 #define CONV_STATIC 2
3281 #define CONV_CONST 4
3282 #define CONV_REINTERPRET 8
3283 #define CONV_PRIVATE 16
3284 /* #define CONV_NONCONVERTING 32 */
3285 #define CONV_FORCE_TEMP 64
3286 #define CONV_STATIC_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_FORCE_TEMP)
3287 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3289 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3290 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
3292 /* Used by build_expr_type_conversion to indicate which types are
3293 acceptable as arguments to the expression under consideration. */
3295 #define WANT_INT 1 /* integer types, including bool */
3296 #define WANT_FLOAT 2 /* floating point types */
3297 #define WANT_ENUM 4 /* enumerated types */
3298 #define WANT_POINTER 8 /* pointer types */
3299 #define WANT_NULL 16 /* null pointer constant */
3300 #define WANT_ARITH (WANT_INT | WANT_FLOAT)
3302 /* Used with comptypes, and related functions, to guide type
3305 #define COMPARE_STRICT 0 /* Just check if the types are the
3307 #define COMPARE_BASE 1 /* Check to see if the second type is
3308 derived from the first. */
3309 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
3311 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
3312 another declaration of an existing
3315 /* Used with push_overloaded_decl. */
3316 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
3317 regardless of the current scope. */
3318 #define PUSH_LOCAL 1 /* Push the DECL into the current
3320 #define PUSH_USING 2 /* We are pushing this DECL as the
3321 result of a using declaration. */
3323 /* Used with start function. */
3324 #define SF_DEFAULT 0 /* No flags. */
3325 #define SF_PRE_PARSED 1 /* The function declaration has
3326 already been parsed. */
3327 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
3328 in the class body. */
3330 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
3331 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
3332 class derived from the type pointed to (referred to) by TYPE1. */
3333 #define same_or_base_type_p(TYPE1, TYPE2) \
3334 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
3336 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
3337 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
3338 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
3339 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
3340 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
3341 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
3342 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
3343 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
3345 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
3346 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
3347 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
3348 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \
3349 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values
3350 #define TEMPLATE_TYPE_IDX(NODE) \
3351 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3352 #define TEMPLATE_TYPE_LEVEL(NODE) \
3353 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3354 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
3355 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3356 #define TEMPLATE_TYPE_DECL(NODE) \
3357 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3359 /* These constants can used as bit flags in the process of tree formatting.
3361 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
3362 TFF_SCOPE: include the class and namespace scope of the name.
3363 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
3364 TFF_DECL_SPECIFIERS: print decl-specifiers.
3365 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
3366 a class-key (resp. `enum').
3367 TFF_RETURN_TYPE: include function return type.
3368 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
3369 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
3370 TFF_TEMPLATE_HEADER: show the template<...> header in a
3371 template-declaration.
3372 TFF_TEMPLATE_NAME: show only template-name.
3373 TFF_EXPR_IN_PARENS: parenthesize expressions.
3374 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments. */
3376 #define TFF_PLAIN_IDENTIFIER (0)
3377 #define TFF_SCOPE (1)
3378 #define TFF_CHASE_TYPEDEF (1 << 1)
3379 #define TFF_DECL_SPECIFIERS (1 << 2)
3380 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
3381 #define TFF_RETURN_TYPE (1 << 4)
3382 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
3383 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
3384 #define TFF_TEMPLATE_HEADER (1 << 7)
3385 #define TFF_TEMPLATE_NAME (1 << 8)
3386 #define TFF_EXPR_IN_PARENS (1 << 9)
3387 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
3389 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
3391 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
3392 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
3393 ? TYPE_TI_TEMPLATE (NODE) \
3398 extern void init_reswords (void);
3400 /* Indexed by TREE_CODE, these tables give C-looking names to
3401 operators represented by TREE_CODES. For example,
3402 opname_tab[(int) MINUS_EXPR] == "-". */
3403 extern const char **opname_tab, **assignop_tab;
3405 typedef struct operator_name_info_t GTY(())
3407 /* The IDENTIFIER_NODE for the operator. */
3409 /* The name of the operator. */
3411 /* The mangled name of the operator. */
3412 const char *mangled_name;
3413 /* The arity of the operator. */
3415 } operator_name_info_t;
3417 /* A mapping from tree codes to operator name information. */
3418 extern GTY(()) operator_name_info_t operator_name_info
3419 [(int) LAST_CPLUS_TREE_CODE];
3420 /* Similar, but for assignment operators. */
3421 extern GTY(()) operator_name_info_t assignment_operator_name_info
3422 [(int) LAST_CPLUS_TREE_CODE];
3424 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
3427 typedef int cp_cv_quals;
3429 /* A storage class. */
3431 typedef enum cp_storage_class {
3432 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
3433 sets the storage_class field to sc_none. */
3442 /* An individual decl-specifier. */
3444 typedef enum cp_decl_spec {
3446 ds_signed = ds_first,
3463 /* A decl-specifier-seq. */
3465 typedef struct cp_decl_specifier_seq {
3466 /* The number of times each of the keywords has been seen. */
3467 unsigned specs[(int) ds_last];
3468 /* The primary type, if any, given by the decl-specifier-seq.
3469 Modifiers, like "short", "const", and "unsigned" are not
3470 reflected here. This field will be a TYPE, unless a typedef-name
3471 was used, in which case it will be a TYPE_DECL. */
3473 /* The attributes, if any, provided with the specifier sequence. */
3475 /* If non-NULL, a built-in type that the user attempted to redefine
3476 to some other type. */
3477 tree redefined_builtin_type;
3478 /* The storage class specified -- or sc_none if no storage class was
3479 explicitly specified. */
3480 cp_storage_class storage_class;
3481 /* True iff TYPE_SPEC indicates a user-defined type. */
3482 BOOL_BITFIELD user_defined_type_p : 1;
3483 /* True iff multiple types were (erroneously) specified for this
3484 decl-specifier-seq. */
3485 BOOL_BITFIELD multiple_types_p : 1;
3486 /* True iff multiple storage classes were (erroneously) specified
3487 for this decl-specifier-seq. */
3488 BOOL_BITFIELD multiple_storage_classes_p : 1;
3489 /* True iff at least one decl-specifier was found. */
3490 BOOL_BITFIELD any_specifiers_p : 1;
3491 /* True iff "int" was explicitly provided. */
3492 BOOL_BITFIELD explicit_int_p : 1;
3493 /* True iff "char" was explicitly provided. */
3494 BOOL_BITFIELD explicit_char_p : 1;
3495 } cp_decl_specifier_seq;
3497 /* The various kinds of declarators. */
3499 typedef enum cp_declarator_kind {
3507 } cp_declarator_kind;
3511 typedef struct cp_declarator cp_declarator;
3513 typedef struct cp_parameter_declarator cp_parameter_declarator;
3515 /* A parameter, before it has been semantically analyzed. */
3516 struct cp_parameter_declarator {
3517 /* The next parameter, or NULL_TREE if none. */
3518 cp_parameter_declarator *next;
3519 /* The decl-specifiers-seq for the parameter. */
3520 cp_decl_specifier_seq decl_specifiers;
3521 /* The declarator for the parameter. */
3522 cp_declarator *declarator;
3523 /* The default-argument expression, or NULL_TREE, if none. */
3524 tree default_argument;
3525 /* True iff this is the first parameter in the list and the
3526 parameter sequence ends with an ellipsis. */
3531 struct cp_declarator {
3532 /* The kind of declarator. */
3533 cp_declarator_kind kind;
3534 /* Attributes that apply to this declarator. */
3536 /* For all but cdk_id and cdk_error, the contained declarator. For
3537 cdk_id and cdk_error, guaranteed to be NULL. */
3538 cp_declarator *declarator;
3540 /* For identifiers. */
3542 /* The name of the function -- an IDENTIFIER_NODE, BIT_NOT_EXPR,
3543 TEMPLATE_ID_EXPR, or SCOPE_REF. */
3545 /* If this is the name of a function, what kind of special
3546 function (if any). */
3547 special_function_kind sfk;
3549 /* For functions. */
3551 /* The parameters to the function. */
3552 cp_parameter_declarator *parameters;
3553 /* The cv-qualifiers for the function. */
3554 cp_cv_quals qualifiers;
3555 /* The exception-specification for the function. */
3556 tree exception_specification;
3560 /* The bounds to the array. */
3563 /* For cdk_pointer, cdk_reference, and cdk_ptrmem. */
3565 /* The cv-qualifiers for the pointer. */
3566 cp_cv_quals qualifiers;
3567 /* For cdk_ptrmem, the class type containing the member. */
3573 /* An erroneous declarator. */
3574 extern cp_declarator *cp_error_declarator;
3576 /* A parameter list indicating for a function with no parameters,
3577 e.g "int f(void)". */
3578 extern cp_parameter_declarator *no_parameters;
3581 extern bool check_dtor_name (tree, tree);
3583 extern tree build_vfield_ref (tree, tree);
3584 extern tree build_conditional_expr (tree, tree, tree);
3585 extern tree build_addr_func (tree);
3586 extern tree build_call (tree, tree);
3587 extern bool null_ptr_cst_p (tree);
3588 extern bool sufficient_parms_p (tree);
3589 extern tree type_decays_to (tree);
3590 extern tree build_user_type_conversion (tree, tree, int);
3591 extern tree build_new_function_call (tree, tree);
3592 extern tree build_operator_new_call (tree, tree, tree *, tree *);
3593 extern tree build_new_method_call (tree, tree, tree, tree, int);
3594 extern tree build_special_member_call (tree, tree, tree, tree, int);
3595 extern tree build_new_op (enum tree_code, int, tree, tree, tree, bool *);
3596 extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree);
3597 extern bool can_convert (tree, tree);
3598 extern bool can_convert_arg (tree, tree, tree);
3599 extern bool can_convert_arg_bad (tree, tree, tree);
3600 extern bool enforce_access (tree, tree);
3601 extern tree convert_default_arg (tree, tree, tree, int);
3602 extern tree convert_arg_to_ellipsis (tree);
3603 extern tree build_x_va_arg (tree, tree);
3604 extern tree cxx_type_promotes_to (tree);
3605 extern tree type_passed_as (tree);
3606 extern tree convert_for_arg_passing (tree, tree);
3607 extern tree cp_convert_parm_for_inlining (tree, tree, tree);
3608 extern bool is_properly_derived_from (tree, tree);
3609 extern tree initialize_reference (tree, tree, tree, tree *);
3610 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
3611 extern tree strip_top_quals (tree);
3612 extern tree perform_implicit_conversion (tree, tree);
3613 extern tree perform_direct_initialization_if_possible (tree, tree);
3614 extern tree in_charge_arg_for_name (tree);
3615 extern tree build_cxx_call (tree, tree);
3616 #ifdef ENABLE_CHECKING
3617 extern void validate_conversion_obstack (void);
3618 #endif /* ENABLE_CHECKING */
3621 extern tree build_base_path (enum tree_code, tree, tree, int);
3622 extern tree convert_to_base (tree, tree, bool);
3623 extern tree convert_to_base_statically (tree, tree);
3624 extern tree build_vtbl_ref (tree, tree);
3625 extern tree build_vfn_ref (tree, tree);
3626 extern tree get_vtable_decl (tree, int);
3627 extern void resort_type_method_vec
3628 (void *, void *, gt_pointer_operator, void *);
3629 extern void add_method (tree, tree, int);
3630 extern int currently_open_class (tree);
3631 extern tree currently_open_derived_class (tree);
3632 extern tree finish_struct (tree, tree);
3633 extern void finish_struct_1 (tree);
3634 extern int resolves_to_fixed_type_p (tree, int *);
3635 extern void init_class_processing (void);
3636 extern int is_empty_class (tree);
3637 extern void pushclass (tree);
3638 extern void popclass (void);
3639 extern void push_nested_class (tree);
3640 extern void pop_nested_class (void);
3641 extern int current_lang_depth (void);
3642 extern void push_lang_context (tree);
3643 extern void pop_lang_context (void);
3644 extern tree instantiate_type (tree, tree, tsubst_flags_t);
3645 extern void print_class_statistics (void);
3646 extern void cxx_print_statistics (void);
3647 extern void cxx_print_xnode (FILE *, tree, int);
3648 extern void cxx_print_decl (FILE *, tree, int);
3649 extern void cxx_print_type (FILE *, tree, int);
3650 extern void cxx_print_identifier (FILE *, tree, int);
3651 extern void cxx_print_error_function (struct diagnostic_context *,
3653 extern void build_self_reference (void);
3654 extern int same_signature_p (tree, tree);
3655 extern void warn_hidden (tree);
3656 extern void maybe_add_class_template_decl_list (tree, tree, int);
3657 extern tree get_enclosing_class (tree);
3658 extern void unreverse_member_declarations (tree);
3659 extern void invalidate_class_lookup_cache (void);
3660 extern void maybe_note_name_used_in_class (tree, tree);
3661 extern void note_name_declared_in_class (tree, tree);
3662 extern tree get_vtbl_decl_for_binfo (tree);
3663 extern tree get_vtt_name (tree);
3664 extern tree get_primary_binfo (tree);
3665 extern void debug_class (tree);
3666 extern void debug_thunks (tree);
3667 extern tree cp_fold_obj_type_ref (tree, tree);
3670 extern tree convert_to_reference (tree, tree, int, int, tree);
3671 extern tree convert_from_reference (tree);
3672 extern tree convert_lvalue (tree, tree);
3673 extern tree force_rvalue (tree);
3674 extern tree ocp_convert (tree, tree, int, int);
3675 extern tree cp_convert (tree, tree);
3676 extern tree convert_to_void (tree, const char */*implicit context*/);
3677 extern tree convert_force (tree, tree, int);
3678 extern tree build_type_conversion (tree, tree);
3679 extern tree build_expr_type_conversion (int, tree, bool);
3680 extern tree type_promotes_to (tree);
3681 extern tree perform_qualification_conversions (tree, tree);
3682 extern void clone_function_decl (tree, int);
3683 extern void adjust_clone_args (tree);
3686 extern void insert_block (tree);
3687 extern void set_block (tree);
3688 extern tree pushdecl (tree);
3689 extern void cxx_init_decl_processing (void);
3690 enum cp_tree_node_structure_enum cp_tree_node_structure
3691 (union lang_tree_node *);
3692 extern bool cxx_mark_addressable (tree);
3693 extern void cxx_push_function_context (struct function *);
3694 extern void cxx_pop_function_context (struct function *);
3695 extern void cxx_mark_function_context (struct function *);
3696 extern void maybe_push_cleanup_level (tree);
3697 extern void finish_scope (void);
3698 extern void delete_block (tree);
3699 extern void add_block_current_level (tree);
3700 extern void push_switch (tree);
3701 extern void pop_switch (void);
3702 extern void pushtag (tree, tree, int);
3703 extern tree make_anon_name (void);
3704 extern void clear_anon_tags (void);
3705 extern int decls_match (tree, tree);
3706 extern tree duplicate_decls (tree, tree);
3707 extern tree pushdecl_top_level (tree);
3708 extern tree pushdecl_top_level_and_finish (tree, tree);
3709 extern tree push_using_decl (tree, tree);
3710 extern tree declare_local_label (tree);
3711 extern tree define_label (location_t, tree);
3712 extern void check_goto (tree);
3713 extern void define_case_label (void);
3714 extern tree make_typename_type (tree, tree, tsubst_flags_t);
3715 extern tree make_unbound_class_template (tree, tree, tsubst_flags_t);
3716 extern tree check_for_out_of_scope_variable (tree);
3717 extern tree build_library_fn (tree, tree);
3718 extern tree build_library_fn_ptr (const char *, tree);
3719 extern tree build_cp_library_fn_ptr (const char *, tree);
3720 extern tree push_library_fn (tree, tree);
3721 extern tree push_void_library_fn (tree, tree);
3722 extern tree push_throw_library_fn (tree, tree);
3723 extern int init_type_desc (void);
3724 extern tree check_tag_decl (cp_decl_specifier_seq *);
3725 extern tree shadow_tag (cp_decl_specifier_seq *);
3726 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *);
3727 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree);
3728 extern void start_decl_1 (tree);
3729 extern void cp_finish_decl (tree, tree, tree, int);
3730 extern void finish_decl (tree, tree, tree);
3731 extern void maybe_inject_for_scope_var (tree);
3732 extern int complete_array_type (tree, tree, int);
3733 extern tree build_ptrmemfunc_type (tree);
3734 extern tree build_ptrmem_type (tree, tree);
3735 /* the grokdeclarator prototype is in decl.h */
3736 extern int copy_fn_p (tree);
3737 extern tree get_scope_of_declarator (const cp_declarator *);
3738 extern void grok_special_member_properties (tree);
3739 extern int grok_ctor_properties (tree, tree);
3740 extern bool grok_op_properties (tree, int, bool);
3741 extern tree xref_tag (enum tag_types, tree, bool, bool);
3742 extern tree xref_tag_from_type (tree, tree, int);
3743 extern void xref_basetypes (tree, tree);
3744 extern tree start_enum (tree);
3745 extern void finish_enum (tree);
3746 extern void build_enumerator (tree, tree, tree);
3747 extern void start_preparsed_function (tree, tree, int);
3748 extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree);
3749 extern tree begin_function_body (void);
3750 extern void finish_function_body (tree);
3751 extern tree finish_function (int);
3752 extern tree start_method (cp_decl_specifier_seq *, const cp_declarator *, tree);
3753 extern tree finish_method (tree);
3754 extern void maybe_register_incomplete_var (tree);
3755 extern void complete_vars (tree);
3756 extern void finish_stmt (void);
3757 extern void print_other_binding_stack (struct cp_binding_level *);
3758 extern void revert_static_member_fn (tree);
3759 extern void fixup_anonymous_aggr (tree);
3760 extern int check_static_variable_definition (tree, tree);
3761 extern tree compute_array_index_type (tree, tree);
3762 extern tree check_default_argument (tree, tree);
3763 extern int vtable_decl_p (tree, void *);
3764 extern int vtype_decl_p (tree, void *);
3765 extern int sigtable_decl_p (tree, void *);
3766 typedef bool (*walk_globals_pred) (tree, void *);
3767 typedef bool (*walk_globals_fn) (tree *, void *);
3768 extern bool walk_globals (walk_globals_pred, walk_globals_fn, void *);
3769 extern bool walk_vtables (walk_globals_pred, walk_globals_fn, void *);
3770 typedef int (*walk_namespaces_fn) (tree, void *);
3771 extern int walk_namespaces (walk_namespaces_fn,
3773 extern int wrapup_globals_for_namespace (tree, void *);
3774 extern tree create_implicit_typedef (tree, tree);
3775 extern tree maybe_push_decl (tree);
3776 extern tree force_target_expr (tree, tree);
3777 extern tree build_target_expr_with_type (tree, tree);
3778 extern int local_variable_p (tree);
3779 extern int nonstatic_local_decl_p (tree);
3780 extern tree declare_global_var (tree, tree);
3781 extern void register_dtor_fn (tree);
3782 extern tmpl_spec_kind current_tmpl_spec_kind (int);
3783 extern tree cp_fname_init (const char *, tree *);
3784 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
3785 extern void warn_extern_redeclared_static (tree, tree);
3786 extern bool cp_missing_noreturn_ok_p (tree);
3788 extern bool have_extern_spec;
3791 extern bool check_java_method (tree);
3792 extern cp_cv_quals grok_method_quals (tree, tree, cp_cv_quals);
3793 extern void maybe_retrofit_in_chrg (tree);
3794 extern void maybe_make_one_only (tree);
3795 extern void grokclassfn (tree, tree, enum overload_flags, cp_cv_quals);
3796 extern tree grok_array_decl (tree, tree);
3797 extern tree delete_sanity (tree, tree, bool, int);
3798 extern tree check_classfn (tree, tree, tree);
3799 extern void check_member_template (tree);
3800 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *, tree, tree, tree);
3801 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *, tree);
3802 extern tree groktypefield (tree, tree);
3803 extern void cplus_decl_attributes (tree *, tree, int);
3804 extern void finish_anon_union (tree);
3805 extern tree finish_table (tree, tree, tree, int);
3806 extern tree coerce_new_type (tree);
3807 extern tree coerce_delete_type (tree);
3808 extern void comdat_linkage (tree);
3809 extern void import_export_vtable (tree, tree, int);
3810 extern void import_export_decl (tree);
3811 extern void import_export_tinfo (tree, tree, bool);
3812 extern tree build_cleanup (tree);
3813 extern tree build_offset_ref_call_from_tree (tree, tree);
3814 extern void check_default_args (tree);
3815 extern void mark_used (tree);
3816 extern void finish_static_data_member_decl (tree, tree, tree, int);
3817 extern tree cp_build_parm_decl (tree, tree);
3818 extern tree build_artificial_parm (tree, tree);
3819 extern tree get_guard (tree);
3820 extern tree get_guard_cond (tree);
3821 extern tree set_guard (tree);
3822 extern tree cxx_callgraph_analyze_expr (tree *, int *, tree);
3824 /* XXX Not i18n clean. */
3825 #define cp_deprecated(STR) \
3827 if (warn_deprecated) \
3828 warning ("%s is deprecated, please see the documentation for details", \
3833 extern void init_error (void);
3834 extern const char *type_as_string (tree, int);
3835 extern const char *decl_as_string (tree, int);
3836 extern const char *expr_as_string (tree, int);
3837 extern const char *context_as_string (tree, int);
3838 extern const char *lang_decl_name (tree, int);
3839 extern const char *language_to_string (enum languages);
3840 extern void print_instantiation_context (void);
3843 extern void init_exception_processing (void);
3844 extern tree expand_start_catch_block (tree);
3845 extern void expand_end_catch_block (void);
3846 extern void expand_builtin_throw (void);
3847 extern void expand_eh_spec_block (tree);
3848 extern void expand_exception_blocks (void);
3849 extern tree build_exc_ptr (void);
3850 extern tree build_throw (tree);
3851 extern void mark_all_runtime_matches (void);
3852 extern int nothrow_libfn_p (tree);
3853 extern void check_handlers (tree);
3854 extern void choose_personality_routine (enum languages);
3855 extern tree eh_type_info (tree);
3858 extern rtx cxx_expand_expr (tree, rtx,
3861 extern tree cplus_expand_constant (tree);
3864 extern int is_friend (tree, tree);
3865 extern void make_friend_class (tree, tree, bool);
3866 extern void add_friend (tree, tree, bool);
3867 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, cp_cv_quals, int);
3870 extern tree expand_member_init (tree);
3871 extern void emit_mem_initializers (tree);
3872 extern tree build_aggr_init (tree, tree, int);
3873 extern tree build_init (tree, tree, int);
3874 extern int is_aggr_type (tree, int);
3875 extern tree get_aggr_from_typedef (tree, int);
3876 extern tree get_type_value (tree);
3877 extern tree build_zero_init (tree, tree, bool);
3878 extern tree build_offset_ref (tree, tree, bool);
3879 extern tree build_new (tree, tree, tree, tree, int);
3880 extern tree build_vec_init (tree, tree, tree, int);
3881 extern tree build_x_delete (tree, int, tree);
3882 extern tree build_delete (tree, tree, special_function_kind, int, int);
3883 extern void push_base_cleanups (void);
3884 extern tree build_vbase_delete (tree, tree);
3885 extern tree build_vec_delete (tree, tree, special_function_kind, int);
3886 extern tree create_temporary_var (tree);
3887 extern void initialize_vtbl_ptrs (tree);
3888 extern tree build_java_class_ref (tree);
3891 extern void cxx_dup_lang_specific_decl (tree);
3892 extern void print_parse_statistics (void);
3893 extern void do_pending_inlines (void);
3894 extern void yyungetc (int, int);
3895 extern void snarf_method (tree);
3897 extern void see_typename (void);
3898 extern tree unqualified_name_lookup_error (tree);
3899 extern tree unqualified_fn_lookup_error (tree);
3900 extern tree build_lang_decl (enum tree_code, tree, tree);
3901 extern void retrofit_lang_decl (tree);
3902 extern tree copy_decl (tree);
3903 extern tree copy_type (tree);
3904 extern tree cxx_make_type (enum tree_code);
3905 extern tree make_aggr_type (enum tree_code);
3906 extern void yyerror (const char *);
3907 extern void yyhook (int);
3908 extern int cp_type_qual_from_rid (tree);
3909 extern bool cxx_init (void);
3910 extern void cxx_finish (void);
3913 extern void init_method (void);
3914 extern tree make_thunk (tree, bool, tree, tree);
3915 extern void finish_thunk (tree);
3916 extern void use_thunk (tree, bool);
3917 extern void synthesize_method (tree);
3918 extern tree implicitly_declare_fn (special_function_kind, tree, bool);
3919 extern tree skip_artificial_parms_for (tree, tree);
3922 extern bool maybe_clone_body (tree);
3925 extern void check_template_shadow (tree);
3926 extern tree get_innermost_template_args (tree, int);
3927 extern void maybe_begin_member_template_processing (tree);
3928 extern void maybe_end_member_template_processing (void);
3929 extern tree finish_member_template_decl (tree);
3930 extern void begin_template_parm_list (void);
3931 extern void begin_specialization (void);
3932 extern void reset_specialization (void);
3933 extern void end_specialization (void);
3934 extern void begin_explicit_instantiation (void);
3935 extern void end_explicit_instantiation (void);
3936 extern tree check_explicit_specialization (tree, tree, int, int);
3937 extern tree process_template_parm (tree, tree, bool);
3938 extern tree end_template_parm_list (tree);
3939 extern void end_template_decl (void);
3940 extern tree current_template_args (void);
3941 extern tree push_template_decl (tree);
3942 extern tree push_template_decl_real (tree, int);
3943 extern void redeclare_class_template (tree, tree);
3944 extern tree lookup_template_class (tree, tree, tree, tree, int, tsubst_flags_t);
3945 extern tree lookup_template_function (tree, tree);
3946 extern int uses_template_parms (tree);
3947 extern int uses_template_parms_level (tree, int);
3948 extern tree instantiate_class_template (tree);
3949 extern tree instantiate_template (tree, tree, tsubst_flags_t);
3950 extern int fn_type_unification (tree, tree, tree, tree, tree, unification_kind_t, int);
3951 extern tree tinst_for_decl (void);
3952 extern void mark_decl_instantiated (tree, int);
3953 extern int more_specialized (tree, tree, int, int);
3954 extern void mark_class_instantiated (tree, int);
3955 extern void do_decl_instantiation (tree, tree);
3956 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
3957 extern tree instantiate_decl (tree, int, int);
3958 extern int push_tinst_level (tree);
3959 extern void pop_tinst_level (void);
3960 extern int more_specialized_class (tree, tree, tree);
3961 extern int is_member_template (tree);
3962 extern int comp_template_parms (tree, tree);
3963 extern int template_class_depth (tree);
3964 extern int is_specialization_of (tree, tree);
3965 extern bool is_specialization_of_friend (tree, tree);
3966 extern int comp_template_args (tree, tree);
3967 extern void maybe_process_partial_specialization (tree);
3968 extern void maybe_check_template_type (tree);
3969 extern tree most_specialized_instantiation (tree);
3970 extern void print_candidates (tree);
3971 extern int instantiate_pending_templates (void);
3972 extern tree tsubst_default_argument (tree, tree, tree);
3973 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t, tree, bool);
3974 extern tree most_general_template (tree);
3975 extern tree get_mostly_instantiated_function_type (tree);
3976 extern int problematic_instantiation_changed (void);
3977 extern void record_last_problematic_instantiation (void);
3978 extern tree current_instantiation (void);
3979 extern tree maybe_get_template_decl_from_type_decl (tree);
3980 extern int processing_template_parmlist;
3981 extern bool dependent_type_p (tree);
3982 extern bool any_dependent_template_arguments_p (tree);
3983 extern bool dependent_template_p (tree);
3984 extern bool dependent_template_id_p (tree, tree);
3985 extern bool type_dependent_expression_p (tree);
3986 extern bool any_type_dependent_arguments_p (tree);
3987 extern bool value_dependent_expression_p (tree);
3988 extern tree resolve_typename_type (tree, bool);
3989 extern tree template_for_substitution (tree);
3990 extern tree build_non_dependent_expr (tree);
3991 extern tree build_non_dependent_args (tree);
3992 extern bool reregister_specialization (tree, tree, tree);
3993 extern tree fold_non_dependent_expr (tree);
3996 extern void repo_template_used (tree);
3997 extern void repo_template_instantiated (tree, bool);
3998 extern void init_repo (const char *);
3999 extern void finish_repo (void);
4002 /* A varray of all tinfo decls that haven't been emitted yet. */
4003 extern GTY(()) varray_type unemitted_tinfo_decls;
4005 extern void init_rtti_processing (void);
4006 extern tree build_typeid (tree);
4007 extern tree get_tinfo_decl (tree);
4008 extern tree get_typeid (tree);
4009 extern tree build_dynamic_cast (tree, tree);
4010 extern void emit_support_tinfos (void);
4011 extern bool emit_tinfo_decl (tree);
4014 extern bool accessible_base_p (tree, tree);
4015 extern tree lookup_base (tree, tree, base_access, base_kind *);
4016 extern int types_overlap_p (tree, tree);
4017 extern tree get_dynamic_cast_base_type (tree, tree);
4018 extern int accessible_p (tree, tree);
4019 extern tree lookup_field_1 (tree, tree, bool);
4020 extern tree lookup_field (tree, tree, int, bool);
4021 extern int lookup_fnfields_1 (tree, tree);
4022 extern tree lookup_fnfields (tree, tree, int);
4023 extern tree lookup_member (tree, tree, int, bool);
4024 extern int look_for_overrides (tree, tree);
4025 extern void get_pure_virtuals (tree);
4026 extern void maybe_suppress_debug_info (tree);
4027 extern void note_debug_info_needed (tree);
4028 extern void push_class_decls (tree);
4029 extern void pop_class_decls (void);
4030 extern void unuse_fields (tree);
4031 extern void print_search_statistics (void);
4032 extern void init_search_processing (void);
4033 extern void reinit_search_statistics (void);
4034 extern tree current_scope (void);
4035 extern int at_function_scope_p (void);
4036 extern bool at_class_scope_p (void);
4037 extern bool at_namespace_scope_p (void);
4038 extern tree context_for_name_lookup (tree);
4039 extern tree lookup_conversions (tree);
4040 extern tree binfo_for_vtable (tree);
4041 extern tree binfo_from_vbase (tree);
4042 extern tree binfo_for_vbase (tree, tree);
4043 extern tree look_for_overrides_here (tree, tree);
4044 extern int check_final_overrider (tree, tree);
4045 extern tree dfs_walk (tree,
4046 tree (*) (tree, void *),
4047 tree (*) (tree, int, void *),
4049 extern tree dfs_walk_real (tree,
4050 tree (*) (tree, void *),
4051 tree (*) (tree, void *),
4052 tree (*) (tree, int, void *),
4054 extern tree dfs_unmark (tree, void *);
4055 extern tree markedp (tree, int, void *);
4056 extern tree unmarkedp (tree, int, void *);
4057 extern tree binfo_via_virtual (tree, tree);
4058 extern tree build_baselink (tree, tree, tree, tree);
4059 extern tree adjust_result_of_qualified_name_lookup
4061 extern tree copied_binfo (tree, tree);
4062 extern tree original_binfo (tree, tree);
4064 /* in semantics.c */
4065 extern void push_deferring_access_checks (deferring_kind);
4066 extern void resume_deferring_access_checks (void);
4067 extern void stop_deferring_access_checks (void);
4068 extern void pop_deferring_access_checks (void);
4069 extern tree get_deferred_access_checks (void);
4070 extern void pop_to_parent_deferring_access_checks (void);
4071 extern void perform_deferred_access_checks (void);
4072 extern void perform_or_defer_access_check (tree, tree);
4073 extern void init_cp_semantics (void);
4074 extern void add_decl_expr (tree);
4075 extern tree finish_expr_stmt (tree);
4076 extern tree begin_if_stmt (void);
4077 extern void finish_if_stmt_cond (tree, tree);
4078 extern tree finish_then_clause (tree);
4079 extern void begin_else_clause (tree);
4080 extern void finish_else_clause (tree);
4081 extern void finish_if_stmt (tree);
4082 extern tree begin_while_stmt (void);
4083 extern void finish_while_stmt_cond (tree, tree);
4084 extern void finish_while_stmt (tree);
4085 extern tree begin_do_stmt (void);
4086 extern void finish_do_body (tree);
4087 extern void finish_do_stmt (tree, tree);
4088 extern tree finish_return_stmt (tree);
4089 extern tree begin_for_stmt (void);
4090 extern void finish_for_init_stmt (tree);
4091 extern void finish_for_cond (tree, tree);
4092 extern void finish_for_expr (tree, tree);
4093 extern void finish_for_stmt (tree);
4094 extern tree finish_break_stmt (void);
4095 extern tree finish_continue_stmt (void);
4096 extern tree begin_switch_stmt (void);
4097 extern void finish_switch_cond (tree, tree);
4098 extern void finish_switch_stmt (tree);
4099 extern tree finish_case_label (tree, tree);
4100 extern tree finish_goto_stmt (tree);
4101 extern tree begin_try_block (void);
4102 extern void finish_try_block (tree);
4103 extern tree begin_eh_spec_block (void);
4104 extern void finish_eh_spec_block (tree, tree);
4105 extern void finish_handler_sequence (tree);
4106 extern tree begin_function_try_block (void);
4107 extern void finish_function_try_block (tree);
4108 extern void finish_function_handler_sequence (tree);
4109 extern void finish_cleanup_try_block (tree);
4110 extern tree begin_handler (void);
4111 extern void finish_handler_parms (tree, tree);
4112 extern void begin_catch_block (tree);
4113 extern void finish_handler (tree);
4114 extern void finish_cleanup (tree, tree);
4121 extern tree begin_compound_stmt (unsigned int);
4123 extern void finish_compound_stmt (tree);
4124 extern tree finish_asm_stmt (int, tree, tree, tree, tree);
4125 extern tree finish_label_stmt (tree);
4126 extern void finish_label_decl (tree);
4127 extern void finish_subobject (tree);
4128 extern tree finish_parenthesized_expr (tree);
4129 extern tree finish_non_static_data_member (tree, tree, tree);
4130 extern tree begin_stmt_expr (void);
4131 extern tree finish_stmt_expr_expr (tree, tree);
4132 extern tree finish_stmt_expr (tree, bool);
4133 extern tree perform_koenig_lookup (tree, tree);
4134 extern tree finish_call_expr (tree, tree, bool, bool);
4135 extern tree finish_increment_expr (tree, enum tree_code);
4136 extern tree finish_this_expr (void);
4137 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
4138 extern tree finish_unary_op_expr (enum tree_code, tree);
4139 extern tree finish_compound_literal (tree, tree);
4140 extern tree finish_fname (tree);
4141 extern void finish_translation_unit (void);
4142 extern tree finish_template_type_parm (tree, tree);
4143 extern tree finish_template_template_parm (tree, tree);
4144 extern tree begin_class_definition (tree);
4145 extern void finish_default_args (void);
4146 extern void finish_template_decl (tree);
4147 extern tree finish_template_type (tree, tree, int);
4148 extern tree finish_base_specifier (tree, tree, bool);
4149 extern void finish_member_declaration (tree);
4150 extern void check_multiple_declarators (void);
4151 extern void qualified_name_lookup_error (tree, tree);
4152 extern tree finish_id_expression (tree, tree, tree,
4153 cp_id_kind *, tree *,
4156 extern tree finish_typeof (tree);
4157 extern void finish_decl_cleanup (tree, tree);
4158 extern void finish_eh_cleanup (tree);
4159 extern void expand_body (tree);
4160 extern void cxx_expand_function_start (void);
4161 extern void finish_mem_initializers (tree);
4162 extern void setup_vtbl_ptr (tree, tree);
4163 extern void clear_out_block (void);
4164 extern tree check_template_template_default_arg (tree);
4165 extern void expand_or_defer_fn (tree);
4166 extern void check_accessibility_of_qualified_id (tree, tree, tree);
4167 extern tree finish_qualified_id_expr (tree, tree, bool, bool);
4168 extern void simplify_aggr_init_expr (tree *);
4169 extern void finalize_nrv (tree *, tree, tree);
4172 extern void lang_check_failed (const char *, int,
4174 extern tree stabilize_expr (tree, tree *);
4175 extern void stabilize_call (tree, tree *);
4176 extern bool stabilize_init (tree, tree *);
4177 extern tree cxx_unsave_expr_now (tree);
4178 extern tree cxx_maybe_build_cleanup (tree);
4179 extern void init_tree (void);
4180 extern int pod_type_p (tree);
4181 extern int zero_init_p (tree);
4182 extern tree canonical_type_variant (tree);
4183 extern tree copy_base_binfos (tree, tree, tree);
4184 extern int member_p (tree);
4185 extern cp_lvalue_kind real_lvalue_p (tree);
4186 extern int lvalue_or_else (tree, const char *);
4187 extern tree build_min (enum tree_code, tree, ...);
4188 extern tree build_min_nt (enum tree_code, ...);
4189 extern tree build_min_non_dep (enum tree_code, tree, ...);
4190 extern tree build_cplus_new (tree, tree);
4191 extern tree get_target_expr (tree);
4192 extern tree build_cplus_staticfn_type (tree, tree, tree);
4193 extern tree build_cplus_array_type (tree, tree);
4194 extern tree hash_tree_cons (tree, tree, tree);
4195 extern tree hash_tree_chain (tree, tree);
4196 extern tree hash_chainon (tree, tree);
4197 extern tree make_binfo (tree, tree, tree, tree);
4198 extern int count_functions (tree);
4199 extern int is_overloaded_fn (tree);
4200 extern tree get_first_fn (tree);
4201 extern int bound_pmf_p (tree);
4202 extern tree ovl_cons (tree, tree);
4203 extern tree build_overload (tree, tree);
4204 extern tree function_arg_chain (tree);
4205 extern int promotes_to_aggr_type (tree, enum tree_code);
4206 extern const char *cxx_printable_name (tree, int);
4207 extern tree build_exception_variant (tree, tree);
4208 extern tree bind_template_template_parm (tree, tree);
4209 extern tree array_type_nelts_total (tree);
4210 extern tree array_type_nelts_top (tree);
4211 extern tree break_out_target_exprs (tree);
4212 extern tree get_type_decl (tree);
4213 extern tree vec_binfo_member (tree, tree);
4214 extern tree decl_namespace_context (tree);
4215 extern tree lvalue_type (tree);
4216 extern tree error_type (tree);
4217 extern int varargs_function_p (tree);
4218 extern int really_overloaded_fn (tree);
4219 extern bool cp_tree_equal (tree, tree);
4220 extern tree no_linkage_check (tree);
4221 extern void debug_binfo (tree);
4222 extern tree build_dummy_object (tree);
4223 extern tree maybe_dummy_object (tree, tree *);
4224 extern int is_dummy_object (tree);
4225 extern const struct attribute_spec cxx_attribute_table[];
4226 extern tree make_ptrmem_cst (tree, tree);
4227 extern tree cp_build_type_attribute_variant (tree, tree);
4228 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
4229 #define cp_build_qualified_type(TYPE, QUALS) \
4230 cp_build_qualified_type_real ((TYPE), (QUALS), tf_error | tf_warning)
4231 extern tree build_shared_int_cst (int);
4232 extern special_function_kind special_function_p (tree);
4233 extern bool name_p (tree);
4234 extern int count_trees (tree);
4235 extern int char_type_p (tree);
4236 extern void verify_stmt_tree (tree);
4237 extern tree find_tree (tree, tree);
4238 extern linkage_kind decl_linkage (tree);
4239 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
4241 extern int cp_cannot_inline_tree_fn (tree*);
4242 extern tree cp_add_pending_fn_decls (void*,tree);
4243 extern int cp_is_overload_p (tree);
4244 extern int cp_auto_var_in_fn_p (tree,tree);
4245 extern tree cp_copy_res_decl_for_inlining (tree, tree, tree, void*,
4247 extern void cp_update_decl_after_saving (tree, void *);
4250 extern int string_conv_p (tree, tree, int);
4251 extern tree cp_truthvalue_conversion (tree);
4252 extern tree condition_conversion (tree);
4253 extern tree target_type (tree);
4254 extern tree require_complete_type (tree);
4255 extern tree complete_type (tree);
4256 extern tree complete_type_or_diagnostic (tree, tree, int);
4257 #define complete_type_or_else(T,V) (complete_type_or_diagnostic ((T), (V), 0))
4258 extern int type_unknown_p (tree);
4259 extern tree commonparms (tree, tree);
4260 extern tree original_type (tree);
4261 extern bool comp_except_specs (tree, tree, bool);
4262 extern bool comptypes (tree, tree, int);
4263 extern bool compparms (tree, tree);
4264 extern int comp_cv_qualification (tree, tree);
4265 extern int comp_cv_qual_signature (tree, tree);
4266 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code);
4267 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
4268 #define cxx_sizeof_nowarn(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, false)
4269 extern tree inline_conversion (tree);
4270 extern tree decay_conversion (tree);
4271 extern tree perform_integral_promotions (tree);
4272 extern tree build_class_member_access_expr (tree, tree, tree, bool);
4273 extern tree finish_class_member_access_expr (tree, tree);
4274 extern tree build_x_indirect_ref (tree, const char *);
4275 extern tree build_indirect_ref (tree, const char *);
4276 extern tree build_array_ref (tree, tree);
4277 extern tree get_member_function_from_ptrfunc (tree *, tree);
4278 extern tree convert_arguments (tree, tree, tree, int);
4279 extern tree build_x_binary_op (enum tree_code, tree, tree,
4281 extern tree build_x_unary_op (enum tree_code, tree);
4282 extern tree unary_complex_lvalue (enum tree_code, tree);
4283 extern tree build_x_conditional_expr (tree, tree, tree);
4284 extern tree build_x_compound_expr_from_list (tree, const char *);
4285 extern tree build_x_compound_expr (tree, tree);
4286 extern tree build_compound_expr (tree, tree);
4287 extern tree build_static_cast (tree, tree);
4288 extern tree build_reinterpret_cast (tree, tree);
4289 extern tree build_const_cast (tree, tree);
4290 extern tree build_c_cast (tree, tree);
4291 extern tree build_x_modify_expr (tree, enum tree_code, tree);
4292 extern tree build_modify_expr (tree, enum tree_code, tree);
4293 extern tree dubious_conversion_warnings (tree, tree, const char *, tree, int);
4294 extern tree convert_for_initialization (tree, tree, tree, int, const char *, tree, int);
4295 extern int comp_ptr_ttypes (tree, tree);
4296 extern int ptr_reasonably_similar (tree, tree);
4297 extern tree build_ptrmemfunc (tree, tree, int);
4298 extern int cp_type_quals (tree);
4299 extern bool cp_has_mutable_p (tree);
4300 extern bool at_least_as_qualified_p (tree, tree);
4301 extern bool more_qualified_p (tree, tree);
4302 extern tree build_ptrmemfunc1 (tree, tree, tree);
4303 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
4304 extern tree pfn_from_ptrmemfunc (tree);
4305 extern tree type_after_usual_arithmetic_conversions (tree, tree);
4306 extern tree composite_pointer_type (tree, tree, tree, tree,
4308 extern tree merge_types (tree, tree);
4309 extern tree check_return_expr (tree);
4310 #define cp_build_binary_op(code, arg1, arg2) \
4311 build_binary_op(code, arg1, arg2, 1)
4312 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
4313 #define cxx_alignof(T) cxx_sizeof_or_alignof_type (T, ALIGNOF_EXPR, true)
4314 extern tree build_ptrmemfunc_access_expr (tree, tree);
4315 extern tree build_address (tree);
4316 extern tree build_nop (tree, tree);
4317 extern tree non_reference (tree);
4318 extern tree lookup_anon_field (tree, tree);
4319 extern bool invalid_nonstatic_memfn_p (tree);
4322 extern void require_complete_eh_spec_types (tree, tree);
4323 extern void cxx_incomplete_type_diagnostic (tree, tree, int);
4324 #undef cxx_incomplete_type_error
4325 extern void cxx_incomplete_type_error (tree, tree);
4326 #define cxx_incomplete_type_error(V,T) \
4327 (cxx_incomplete_type_diagnostic ((V), (T), 0))
4328 extern tree error_not_base_type (tree, tree);
4329 extern tree binfo_or_else (tree, tree);
4330 extern void readonly_error (tree, const char *, int);
4331 extern int abstract_virtuals_error (tree, tree);
4333 extern tree store_init_value (tree, tree);
4334 extern tree digest_init (tree, tree, tree *);
4335 extern tree build_scoped_ref (tree, tree, tree *);
4336 extern tree build_x_arrow (tree);
4337 extern tree build_m_component_ref (tree, tree);
4338 extern tree build_functional_cast (tree, tree);
4339 extern tree add_exception_specifier (tree, tree, int);
4340 extern tree merge_exception_specifiers (tree, tree);
4343 extern void init_mangle (void);
4344 extern void mangle_decl (tree);
4345 extern const char *mangle_type_string (tree);
4346 extern tree mangle_type (tree);
4347 extern tree mangle_typeinfo_for_type (tree);
4348 extern tree mangle_typeinfo_string_for_type (tree);
4349 extern tree mangle_vtbl_for_type (tree);
4350 extern tree mangle_vtt_for_type (tree);
4351 extern tree mangle_ctor_vtbl_for_type (tree, tree);
4352 extern tree mangle_thunk (tree, int, tree, tree);
4353 extern tree mangle_conv_op_name_for_type (tree);
4354 extern tree mangle_guard_variable (tree);
4355 extern tree mangle_ref_init_variable (tree);
4358 extern bool cp_dump_tree (void *, tree);
4360 /* in cp-simplify.c */
4361 extern int cp_gimplify_expr (tree *, tree *, tree *);
4362 extern void cp_genericize (tree);
4366 /* In order for the format checking to accept the C++ frontend
4367 diagnostic framework extensions, you must include this file before
4368 toplev.h, not after. */
4369 #define GCC_DIAG_STYLE __gcc_cxxdiag__
4370 #if GCC_VERSION >= 3004
4371 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
4373 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
4376 extern void cp_error_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4377 extern void cp_warning_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4378 extern void cp_pedwarn_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4380 #endif /* ! GCC_CP_TREE_H */