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"
35 struct diagnostic_context;
37 /* Usage of TREE_LANG_FLAG_?:
38 0: BINFO_MARKED (BINFO nodes).
39 IDENTIFIER_MARKED (IDENTIFIER_NODEs)
40 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
41 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
42 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
43 TREE_INDIRECT_USING (in NAMESPACE_DECL).
44 ICS_USER_FLAG (in _CONV)
45 CLEANUP_P (in TRY_BLOCK)
46 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
47 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF)
48 PARMLIST_ELLIPSIS_P (in PARMLIST)
49 DECL_PRETTY_FUNCTION_P (in VAR_DECL)
50 KOENIG_LOOKUP_P (in CALL_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 BINFO_DEPENDENT_BASE_P (in BINFO)
59 DECL_INITIALIZED_P (in VAR_DECL)
60 2: IDENTIFIER_OPNAME_P.
61 TYPE_POLYMORPHIC_P (in _TYPE)
62 ICS_THIS_FLAG (in _CONV)
63 BINFO_LOST_PRIMARY_P (in BINFO)
64 TREE_PARMLIST (in TREE_LIST)
65 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
66 3: TYPE_USES_VIRTUAL_BASECLASSES (in a class TYPE).
67 BINFO_VTABLE_PATH_MARKED.
68 BINFO_PUSHDECLS_MARKED.
69 (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
70 ICS_BAD_FLAG (in _CONV)
71 FN_TRY_BLOCK_P (in TRY_BLOCK)
72 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
73 4: BINFO_NEW_VTABLE_MARKED.
74 TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
76 NEED_TEMPORARY_P (in REF_BIND, BASE_CONV)
77 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
78 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
79 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
80 6: For future expansion
82 Usage of TYPE_LANG_FLAG_?:
84 1: TYPE_HAS_CONSTRUCTOR.
85 2: TYPE_HAS_DESTRUCTOR.
87 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
89 6: TYPE_DEPENDENT_P_VALID
91 Usage of DECL_LANG_FLAG_?:
92 0: DECL_ERROR_REPORTED (in VAR_DECL).
93 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL)
94 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL)
95 DECL_MUTABLE_P (in FIELD_DECL)
96 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
97 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL)
98 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
99 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
101 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
102 DECL_VAR_MARKED_P (in a VAR_DECL)
103 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
104 5: DECL_INTERFACE_KNOWN.
105 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
106 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
107 DECL_THUNK_P (in a member FUNCTION_DECL)
109 Usage of language-independent fields in a language-dependent manner:
112 This field is BINFO_INDIRECT_PRIMARY_P in a BINFO.
115 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so
116 forth as a substitute for the mark bits provided in `lang_type'.
117 At present, only the six low-order bits are used.
120 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO.
121 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS
124 For a binfo, this is a TREE_LIST. There is an entry for each
125 virtual function declared either in BINFO or its direct and
126 indirect primary bases.
128 The BV_DELTA of each node gives the amount by which to adjust the
129 `this' pointer when calling the function. If the method is an
130 overridden version of a base class method, then it is assumed
131 that, prior to adjustment, the this pointer points to an object
134 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable
135 index of the vcall offset for this entry.
137 The BV_FN is the declaration for the virtual function itself.
140 This is an expression with POINTER_TYPE that gives the value
141 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
142 to extract the VAR_DECL for the complete vtable.
145 For a VAR_DECL this is DECL_ANON_UNION_ELEMS.
148 This field is NULL for a non-virtual function. For a virtual
149 function, it is eventually set to an INTEGER_CST indicating the
150 index in the vtable at which this function can be found. When
151 a virtual function is declared, but before it is known what
152 function is overridden, this field is the error_mark_node.
154 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is
155 the virtual function this one overrides, and whose TREE_CHAIN is
156 the old DECL_VINDEX. */
158 /* Language-specific tree checkers. */
160 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
162 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) __extension__ \
163 ({ const tree __t = (NODE); \
164 enum tree_code const __c = TREE_CODE(__t); \
165 if (__c != VAR_DECL && __c != FUNCTION_DECL) \
166 tree_check_failed (__t, VAR_DECL, __FILE__, __LINE__, \
170 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) __extension__ \
171 ({ const tree __t = (NODE); \
172 enum tree_code const __c = TREE_CODE(__t); \
173 if (__c != VAR_DECL \
174 && __c != FUNCTION_DECL \
175 && __c != PARM_DECL) \
176 tree_check_failed (__t, VAR_DECL, __FILE__, __LINE__, \
180 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) __extension__ \
181 ({ const tree __t = (NODE); \
182 enum tree_code const __c = TREE_CODE(__t); \
183 if (__c != VAR_DECL \
184 && __c != FUNCTION_DECL \
185 && __c != TYPE_DECL \
186 && __c != TEMPLATE_DECL) \
187 tree_check_failed (__t, VAR_DECL, __FILE__, __LINE__, \
191 #define RECORD_OR_UNION_TYPE_CHECK(NODE) __extension__ \
192 ({ const tree __t = (NODE); \
193 enum tree_code const __c = TREE_CODE(__t); \
194 if (__c != RECORD_TYPE && __c != UNION_TYPE) \
195 tree_check_failed (__t, RECORD_TYPE, __FILE__, __LINE__, \
199 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) __extension__ \
200 ({ const tree __t = (NODE); \
201 enum tree_code const __c = TREE_CODE(__t); \
202 if (__c != BOUND_TEMPLATE_TEMPLATE_PARM) \
203 tree_check_failed (__t, BOUND_TEMPLATE_TEMPLATE_PARM, \
204 __FILE__, __LINE__, __FUNCTION__); \
207 #else /* not ENABLE_TREE_CHECKING, or not gcc */
209 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) (NODE)
210 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) (NODE)
211 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) (NODE)
212 #define RECORD_OR_UNION_TYPE_CHECK(NODE) (NODE)
213 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) (NODE)
218 /* Language-dependent contents of an identifier. */
220 struct lang_identifier GTY(())
222 struct c_common_identifier c_common;
223 cxx_binding *namespace_bindings;
224 cxx_binding *bindings;
226 tree class_template_info;
232 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
233 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
234 and C_RID_YYCODE is the token number wanted by Yacc. */
236 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
238 #define LANG_IDENTIFIER_CAST(NODE) \
239 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
241 typedef struct template_parm_index_s GTY(())
243 struct tree_common common;
246 HOST_WIDE_INT orig_level;
248 } template_parm_index;
250 struct ptrmem_cst GTY(())
252 struct tree_common common;
253 /* This isn't used, but the middle-end expects all constants to have
258 typedef struct ptrmem_cst * ptrmem_cst_t;
260 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
261 namespace_binding ((NODE), global_namespace)
262 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
263 set_namespace_binding ((NODE), global_namespace, (VAL))
264 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
265 namespace_binding ((NODE), current_namespace)
266 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
267 set_namespace_binding ((NODE), current_namespace, (VAL))
269 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
271 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
273 #define same_type_p(TYPE1, TYPE2) \
274 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
276 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
277 top-level qualifiers. */
278 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
279 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
281 /* Nonzero if we are presently building a statement tree, rather
282 than expanding each statement as we encounter it. */
283 #define building_stmt_tree() (last_tree != NULL_TREE)
285 /* Returns nonzero iff NODE is a declaration for the global function
287 #define DECL_MAIN_P(NODE) \
288 (DECL_EXTERN_C_FUNCTION_P (NODE) \
289 && DECL_NAME (NODE) != NULL_TREE \
290 && MAIN_NAME_P (DECL_NAME (NODE)))
292 /* The overloaded FUNCTION_DECL. */
293 #define OVL_FUNCTION(NODE) \
294 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
295 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
296 /* Polymorphic access to FUNCTION and CHAIN. */
297 #define OVL_CURRENT(NODE) \
298 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
299 #define OVL_NEXT(NODE) \
300 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
301 /* If set, this was imported in a using declaration.
302 This is not to confuse with being used somewhere, which
303 is not important for this node. */
304 #define OVL_USED(NODE) TREE_USED (NODE)
306 struct tree_overload GTY(())
308 struct tree_common common;
312 /* Returns true iff NODE is a BASELINK. */
313 #define BASELINK_P(NODE) \
314 (TREE_CODE (NODE) == BASELINK)
315 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
316 #define BASELINK_BINFO(NODE) \
317 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
318 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
319 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
320 #define BASELINK_FUNCTIONS(NODE) \
321 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
322 /* The BINFO in which the search for the functions indicated by this baselink
323 began. This base is used to determine the accessibility of functions
324 selected by overload resolution. */
325 #define BASELINK_ACCESS_BINFO(NODE) \
326 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
327 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
328 to which the conversion should occur. This value is important if
329 the BASELINK_FUNCTIONS include a template conversion operator --
330 the BASELINK_OPTYPE can be used to determine what type the user
332 #define BASELINK_OPTYPE(NODE) \
333 (TREE_CHAIN (BASELINK_CHECK (NODE)))
335 struct tree_baselink GTY(())
337 struct tree_common common;
343 #define WRAPPER_ZC(NODE) (((struct tree_wrapper*)WRAPPER_CHECK (NODE))->z_c)
345 struct tree_wrapper GTY(())
347 struct tree_common common;
348 struct z_candidate *z_c;
351 /* The different kinds of ids that we ecounter. */
353 typedef enum cp_id_kind
355 /* Not an id at all. */
357 /* An unqualified-id that is not a template-id. */
358 CP_ID_KIND_UNQUALIFIED,
359 /* An unqualified-id that is a dependent name. */
360 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
361 /* An unqualified template-id. */
362 CP_ID_KIND_TEMPLATE_ID,
363 /* A qualified-id. */
367 /* Macros for access to language-specific slots in an identifier. */
369 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
370 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
371 #define IDENTIFIER_TEMPLATE(NODE) \
372 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
374 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
375 identifier. It's PREVIOUS is the next outermost binding. Each
376 VALUE field is a DECL for the associated declaration. Thus,
377 name lookup consists simply of pulling off the node at the front
378 of the list (modulo oddities for looking up the names of types,
379 and such.) You can use SCOPE field to determine the scope
380 that bound the name. */
381 #define IDENTIFIER_BINDING(NODE) \
382 (LANG_IDENTIFIER_CAST (NODE)->bindings)
384 /* The IDENTIFIER_VALUE is the value of the IDENTIFIER_BINDING, or
385 NULL_TREE if there is no binding. */
386 #define IDENTIFIER_VALUE(NODE) \
387 (IDENTIFIER_BINDING (NODE) ? IDENTIFIER_BINDING (NODE)->value : NULL)
389 /* If IDENTIFIER_CLASS_VALUE is set, then NODE is bound in the current
390 class, and IDENTIFIER_CLASS_VALUE is the value binding. This is
391 just a pointer to the VALUE field of one of the bindings in the
392 IDENTIFIER_BINDINGs list, so any time that this is non-NULL so is
393 IDENTIFIER_BINDING. */
394 #define IDENTIFIER_CLASS_VALUE(NODE) \
395 (LANG_IDENTIFIER_CAST (NODE)->class_value)
397 /* TREE_TYPE only indicates on local and class scope the current
398 type. For namespace scope, the presence of a type in any namespace
399 is indicated with global_type_node, and the real type behind must
400 be found through lookup. */
401 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
402 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
403 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
404 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
406 #define IDENTIFIER_LABEL_VALUE(NODE) \
407 (LANG_IDENTIFIER_CAST (NODE)->label_value)
408 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
409 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
411 #define IDENTIFIER_IMPLICIT_DECL(NODE) \
412 (LANG_IDENTIFIER_CAST (NODE)->implicit_decl)
413 #define SET_IDENTIFIER_IMPLICIT_DECL(NODE, VALUE) \
414 IDENTIFIER_IMPLICIT_DECL (NODE) = (VALUE)
416 #define IDENTIFIER_ERROR_LOCUS(NODE) \
417 (LANG_IDENTIFIER_CAST (NODE)->error_locus)
418 #define SET_IDENTIFIER_ERROR_LOCUS(NODE, VALUE) \
419 IDENTIFIER_ERROR_LOCUS (NODE) = (VALUE)
421 /* Nonzero if this identifier is used as a virtual function name somewhere
422 (optimizes searches). */
423 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
425 /* Nonzero if this identifier is the prefix for a mangled C++ operator
427 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
429 /* Nonzero if this identifier is the name of a type-conversion
431 #define IDENTIFIER_TYPENAME_P(NODE) \
432 TREE_LANG_FLAG_4 (NODE)
434 /* Nonzero if this identifier is the name of a constructor or
436 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
437 TREE_LANG_FLAG_3 (NODE)
439 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
440 #define C_TYPE_FIELDS_READONLY(TYPE) \
441 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
443 /* Store a value in that field. */
444 #define C_SET_EXP_ORIGINAL_CODE(EXP, CODE) \
445 (TREE_COMPLEXITY (EXP) = (int)(CODE))
447 /* The tokens stored in the default argument. */
449 #define DEFARG_TOKENS(NODE) \
450 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
452 struct tree_default_arg GTY (())
454 struct tree_common common;
455 struct cp_token_cache *tokens;
458 enum cp_tree_node_structure_enum {
471 /* The resulting tree type. */
472 union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"),
473 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
475 union tree_node GTY ((tag ("TS_CP_GENERIC"),
476 desc ("tree_node_structure (&%h)"))) generic;
477 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
478 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
479 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
480 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
481 struct tree_wrapper GTY ((tag ("TS_CP_WRAPPER"))) wrapper;
482 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
483 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
490 CPTI_JAVA_SHORT_TYPE,
493 CPTI_JAVA_FLOAT_TYPE,
494 CPTI_JAVA_DOUBLE_TYPE,
496 CPTI_JAVA_BOOLEAN_TYPE,
499 CPTI_VTABLE_ENTRY_TYPE,
501 CPTI_VTABLE_INDEX_TYPE,
511 CPTI_CLASS_DESC_TYPE,
512 CPTI_SI_CLASS_DESC_TYPE,
513 CPTI_VMI_CLASS_DESC_TYPE,
524 CPTI_TYPE_INFO_PTR_TYPE,
525 CPTI_TYPE_INFO_REF_TYPE,
527 CPTI_GLOBAL_DELETE_FNDECL,
530 CPTI_CTOR_IDENTIFIER,
531 CPTI_COMPLETE_CTOR_IDENTIFIER,
532 CPTI_BASE_CTOR_IDENTIFIER,
533 CPTI_DTOR_IDENTIFIER,
534 CPTI_COMPLETE_DTOR_IDENTIFIER,
535 CPTI_BASE_DTOR_IDENTIFIER,
536 CPTI_DELETING_DTOR_IDENTIFIER,
537 CPTI_DELTA_IDENTIFIER,
538 CPTI_IN_CHARGE_IDENTIFIER,
539 CPTI_VTT_PARM_IDENTIFIER,
540 CPTI_NELTS_IDENTIFIER,
541 CPTI_THIS_IDENTIFIER,
543 CPTI_VPTR_IDENTIFIER,
547 CPTI_LANG_NAME_CPLUSPLUS,
550 CPTI_EMPTY_EXCEPT_SPEC,
554 CPTI_CALL_UNEXPECTED,
564 extern GTY(()) tree cp_global_trees[CPTI_MAX];
566 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
567 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
568 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
569 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
570 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
571 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
572 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
573 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
575 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
576 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
577 /* The type used to represent an offset by which to adjust the `this'
578 pointer in pointer-to-member types. */
579 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
580 /* The type used to represent an index into the vtable. */
581 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
583 #define ti_desc_type_node cp_global_trees[CPTI_TI_DESC_TYPE]
584 #define bltn_desc_type_node cp_global_trees[CPTI_BLTN_DESC_TYPE]
585 #define ptr_desc_type_node cp_global_trees[CPTI_PTR_DESC_TYPE]
586 #define ary_desc_type_node cp_global_trees[CPTI_ARY_DESC_TYPE]
587 #define func_desc_type_node cp_global_trees[CPTI_FUNC_DESC_TYPE]
588 #define enum_desc_type_node cp_global_trees[CPTI_ENUM_DESC_TYPE]
589 #define class_desc_type_node cp_global_trees[CPTI_CLASS_DESC_TYPE]
590 #define si_class_desc_type_node cp_global_trees[CPTI_SI_CLASS_DESC_TYPE]
591 #define vmi_class_desc_type_node cp_global_trees[CPTI_VMI_CLASS_DESC_TYPE]
592 #define ptm_desc_type_node cp_global_trees[CPTI_PTM_DESC_TYPE]
593 #define base_desc_type_node cp_global_trees[CPTI_BASE_DESC_TYPE]
595 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
596 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
597 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
598 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
599 #define std_node cp_global_trees[CPTI_STD]
600 #define abi_node cp_global_trees[CPTI_ABI]
601 #define type_info_type_node cp_global_trees[CPTI_TYPE_INFO_TYPE]
602 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
603 #define type_info_ref_type cp_global_trees[CPTI_TYPE_INFO_REF_TYPE]
604 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
605 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
606 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
608 /* We cache these tree nodes so as to call get_identifier less
611 /* The name of a constructor that takes an in-charge parameter to
612 decide whether or not to construct virtual base classes. */
613 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
614 /* The name of a constructor that constructs virtual base classes. */
615 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
616 /* The name of a constructor that does not construct virtual base classes. */
617 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
618 /* The name of a destructor that takes an in-charge parameter to
619 decide whether or not to destroy virtual base classes and whether
620 or not to delete the object. */
621 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
622 /* The name of a destructor that destroys virtual base classes. */
623 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
624 /* The name of a destructor that does not destroy virtual base
626 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
627 /* The name of a destructor that destroys virtual base classes, and
628 then deletes the entire object. */
629 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
630 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
631 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
632 /* The name of the parameter that contains a pointer to the VTT to use
633 for this subobject constructor or destructor. */
634 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
635 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
636 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
637 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
638 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
639 /* The name of the std namespace. */
640 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
641 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
642 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
643 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
645 /* Exception specifier used for throw(). */
646 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
648 /* The node for `__null'. */
649 #define null_node cp_global_trees[CPTI_NULL]
651 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
652 #define jclass_node cp_global_trees[CPTI_JCLASS]
654 /* The declaration for `std::terminate'. */
655 #define terminate_node cp_global_trees[CPTI_TERMINATE]
657 /* The declaration for "__cxa_call_unexpected". */
658 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
660 /* A pointer to `std::atexit'. */
661 #define atexit_node cp_global_trees[CPTI_ATEXIT]
663 /* A pointer to `__dso_handle'. */
664 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
666 /* The declaration of the dynamic_cast runtime. */
667 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
669 /* The type of a destructor. */
670 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
672 /* The type of the vtt parameter passed to subobject constructors and
674 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
676 /* A TREE_LIST of the dynamic classes whose vtables may have to be
677 emitted in this translation unit. */
679 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
681 /* Node to indicate default access. This must be distinct from the
682 access nodes in tree.h. */
684 #define access_default_node null_node
688 struct saved_scope GTY(())
690 cxx_saved_binding *old_bindings;
695 tree access_specifier;
697 varray_type lang_base;
700 tree x_previous_class_type;
701 tree x_previous_class_values;
704 HOST_WIDE_INT x_processing_template_decl;
705 int x_processing_specialization;
706 bool x_processing_explicit_instantiation;
707 int need_pop_function_context;
709 struct stmt_tree_s x_stmt_tree;
711 struct cp_binding_level *class_bindings;
712 struct cp_binding_level *bindings;
714 struct saved_scope *prev;
717 /* The current open namespace. */
719 #define current_namespace scope_chain->old_namespace
721 /* The stack for namespaces of current declarations. */
723 #define decl_namespace_list scope_chain->decl_ns_list
725 /* IDENTIFIER_NODE: name of current class */
727 #define current_class_name scope_chain->class_name
729 /* _TYPE: the type of the current class */
731 #define current_class_type scope_chain->class_type
733 /* When parsing a class definition, the access specifier most recently
734 given by the user, or, if no access specifier was given, the
735 default value appropriate for the kind of class (i.e., struct,
738 #define current_access_specifier scope_chain->access_specifier
740 /* Pointer to the top of the language name stack. */
742 #define current_lang_base scope_chain->lang_base
743 #define current_lang_name scope_chain->lang_name
745 /* Parsing a function declarator leaves a list of parameter names
746 or a chain or parameter decls here. */
748 #define current_template_parms scope_chain->template_parms
750 #define processing_template_decl scope_chain->x_processing_template_decl
751 #define processing_specialization scope_chain->x_processing_specialization
752 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
754 /* _TYPE: the previous type that was a class */
756 #define previous_class_type scope_chain->x_previous_class_type
758 /* This is a copy of the class_shadowed list of the previous class
759 binding contour when at global scope. It's used to reset
760 IDENTIFIER_CLASS_VALUEs when entering another class scope (i.e. a
763 #define previous_class_values scope_chain->x_previous_class_values
765 /* A list of private types mentioned, for deferred access checking. */
767 extern GTY(()) struct saved_scope *scope_chain;
769 /* Global state pertinent to the current function. */
771 struct language_function GTY(())
773 struct c_language_function base;
776 tree x_current_class_ptr;
777 tree x_current_class_ref;
778 tree x_eh_spec_block;
779 tree x_in_charge_parm;
785 int returns_abnormally;
786 int in_function_try_handler;
787 int in_base_initializer;
789 /* True if this function can throw an exception. */
790 BOOL_BITFIELD can_throw : 1;
792 struct named_label_use_list *x_named_label_uses;
793 struct named_label_list *x_named_labels;
794 struct cp_binding_level *bindings;
795 varray_type x_local_names;
797 const char *cannot_inline;
800 /* The current C++-specific per-function global variables. */
802 #define cp_function_chain (cfun->language)
804 /* In a destructor, the point at which all derived class destroying
805 has been done, just before any base class destroying will be done. */
807 #define dtor_label cp_function_chain->x_dtor_label
809 /* When we're processing a member function, current_class_ptr is the
810 PARM_DECL for the `this' pointer. The current_class_ref is an
811 expression for `*this'. */
813 #define current_class_ptr \
814 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
815 #define current_class_ref \
816 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
818 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
821 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
823 /* The `__in_chrg' parameter for the current function. Only used for
824 constructors and destructors. */
826 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
828 /* The `__vtt_parm' parameter for the current function. Only used for
829 constructors and destructors. */
831 #define current_vtt_parm cp_function_chain->x_vtt_parm
833 /* Set to 0 at beginning of a function definition, set to 1 if
834 a return statement that specifies a return value is seen. */
836 #define current_function_returns_value cp_function_chain->returns_value
838 /* Set to 0 at beginning of a function definition, set to 1 if
839 a return statement with no argument is seen. */
841 #define current_function_returns_null cp_function_chain->returns_null
843 /* Set to 0 at beginning of a function definition, set to 1 if
844 a call to a noreturn function is seen. */
846 #define current_function_returns_abnormally \
847 cp_function_chain->returns_abnormally
849 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
850 #define in_base_initializer cp_function_chain->in_base_initializer
852 #define in_function_try_handler cp_function_chain->in_function_try_handler
854 /* Expression always returned from function, or error_mark_node
855 otherwise, for use by the automatic named return value optimization. */
857 #define current_function_return_value \
858 (cp_function_chain->x_return_value)
860 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
861 new" or "operator delete". */
862 #define NEW_DELETE_OPNAME_P(NAME) \
863 ((NAME) == ansi_opname (NEW_EXPR) \
864 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
865 || (NAME) == ansi_opname (DELETE_EXPR) \
866 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
868 #define ansi_opname(CODE) \
869 (operator_name_info[(int) (CODE)].identifier)
870 #define ansi_assopname(CODE) \
871 (assignment_operator_name_info[(int) (CODE)].identifier)
873 /* True if NODE is an erroneous expression. */
875 #define error_operand_p(NODE) \
876 ((NODE) == error_mark_node \
877 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
879 /* INTERFACE_ONLY nonzero means that we are in an "interface"
880 section of the compiler. INTERFACE_UNKNOWN nonzero means
881 we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
882 is zero and INTERFACE_ONLY is zero, it means that we are responsible
883 for exporting definitions that others might need. */
884 extern int interface_only, interface_unknown;
886 /* C++ language-specific tree codes. */
887 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
888 enum cplus_tree_code {
889 CP_DUMMY_TREE_CODE = LAST_C_TREE_CODE,
890 #include "cp-tree.def"
895 #define cp_stmt_codes \
896 CTOR_INITIALIZER, TRY_BLOCK, HANDLER, \
897 EH_SPEC_BLOCK, USING_STMT, TAG_DEFN
899 enum languages { lang_c, lang_cplusplus, lang_java };
901 /* Macros to make error reporting functions' lives easier. */
902 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
903 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
904 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
905 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
906 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
908 #define TYPE_ASSEMBLER_NAME_STRING(NODE) \
909 (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
910 #define TYPE_ASSEMBLER_NAME_LENGTH(NODE) \
911 (IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
913 /* Nonzero if NODE has no name for linkage purposes. */
914 #define TYPE_ANONYMOUS_P(NODE) \
915 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
917 /* The _DECL for this _TYPE. */
918 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
920 /* Nonzero if T is a class (or struct or union) type. Also nonzero
921 for template type parameters, typename types, and instantiated
922 template template parameters. Despite its name,
923 this macro has nothing to do with the definition of aggregate given
924 in the standard. Think of this macro as MAYBE_CLASS_TYPE_P. */
925 #define IS_AGGR_TYPE(T) \
926 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
927 || TREE_CODE (T) == TYPENAME_TYPE \
928 || TREE_CODE (T) == TYPEOF_TYPE \
929 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
930 || TYPE_LANG_FLAG_5 (T))
932 /* Set IS_AGGR_TYPE for T to VAL. T must be a class, struct, or
934 #define SET_IS_AGGR_TYPE(T, VAL) \
935 (TYPE_LANG_FLAG_5 (T) = (VAL))
937 /* Nonzero if T is a class type. Zero for template type parameters,
938 typename types, and so forth. */
939 #define CLASS_TYPE_P(T) \
940 (IS_AGGR_TYPE_CODE (TREE_CODE (T)) && IS_AGGR_TYPE (T))
942 #define IS_AGGR_TYPE_CODE(T) ((T) == RECORD_TYPE || (T) == UNION_TYPE)
943 #define TAGGED_TYPE_P(T) \
944 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
945 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
947 /* True if this a "Java" type, defined in 'extern "Java"'. */
948 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
950 /* True if this type is dependent. This predicate is only valid if
951 TYPE_DEPENDENT_P_VALID is true. */
952 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
954 /* True if dependent_type_p has been called for this type, with the
955 result that TYPE_DEPENDENT_P is valid. */
956 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
958 /* Nonzero if this type is const-qualified. */
959 #define CP_TYPE_CONST_P(NODE) \
960 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
962 /* Nonzero if this type is volatile-qualified. */
963 #define CP_TYPE_VOLATILE_P(NODE) \
964 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
966 /* Nonzero if this type is restrict-qualified. */
967 #define CP_TYPE_RESTRICT_P(NODE) \
968 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
970 /* Nonzero if this type is const-qualified, but not
971 volatile-qualified. Other qualifiers are ignored. This macro is
972 used to test whether or not it is OK to bind an rvalue to a
974 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
975 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
978 #define FUNCTION_ARG_CHAIN(NODE) \
979 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
981 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
982 which refers to a user-written parameter. */
983 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
984 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
986 /* Similarly, but for DECL_ARGUMENTS. */
987 #define FUNCTION_FIRST_USER_PARM(NODE) \
988 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
990 #define PROMOTES_TO_AGGR_TYPE(NODE, CODE) \
991 (((CODE) == TREE_CODE (NODE) \
992 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
993 || IS_AGGR_TYPE (NODE))
995 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
997 #define DERIVED_FROM_P(PARENT, TYPE) \
998 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
999 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
1001 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
1002 (lookup_base ((TYPE), (PARENT), ba_ignore | ba_quiet, NULL) != NULL_TREE)
1003 /* Nonzero iff TYPE is accessible in the current scope and uniquely
1004 derived from PARENT. */
1005 #define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
1006 (lookup_base ((TYPE), (PARENT), ba_check | ba_quiet, NULL) != NULL_TREE)
1007 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
1008 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
1009 (lookup_base ((TYPE), (PARENT), ba_not_special | ba_quiet, NULL) \
1012 /* This is a few header flags for 'struct lang_type'. Actually,
1013 all but the first are used only for lang_type_class; they
1014 are put in this structure to save space. */
1015 struct lang_type_header GTY(())
1017 BOOL_BITFIELD is_lang_type_class : 1;
1019 BOOL_BITFIELD has_type_conversion : 1;
1020 BOOL_BITFIELD has_init_ref : 1;
1021 BOOL_BITFIELD has_default_ctor : 1;
1022 BOOL_BITFIELD uses_multiple_inheritance : 1;
1023 BOOL_BITFIELD const_needs_init : 1;
1024 BOOL_BITFIELD ref_needs_init : 1;
1025 BOOL_BITFIELD has_const_assign_ref : 1;
1028 /* This structure provides additional information above and beyond
1029 what is provide in the ordinary tree_type. In the past, we used it
1030 for the types of class types, template parameters types, typename
1031 types, and so forth. However, there can be many (tens to hundreds
1032 of thousands) of template parameter types in a compilation, and
1033 there's no need for this additional information in that case.
1034 Therefore, we now use this data structure only for class types.
1036 In the past, it was thought that there would be relatively few
1037 class types. However, in the presence of heavy use of templates,
1038 many (i.e., thousands) of classes can easily be generated.
1039 Therefore, we should endeavor to keep the size of this structure to
1041 struct lang_type_class GTY(())
1043 struct lang_type_header h;
1045 unsigned char align;
1047 unsigned has_mutable : 1;
1048 unsigned com_interface : 1;
1049 unsigned non_pod_class : 1;
1050 unsigned nearly_empty_p : 1;
1051 unsigned user_align : 1;
1052 unsigned has_assign_ref : 1;
1053 unsigned has_new : 1;
1054 unsigned has_array_new : 1;
1056 unsigned gets_delete : 2;
1057 unsigned interface_only : 1;
1058 unsigned interface_unknown : 1;
1059 unsigned contains_empty_class_p : 1;
1060 unsigned anon_aggr : 1;
1061 unsigned non_zero_init : 1;
1062 unsigned empty_p : 1;
1065 unsigned vec_new_uses_cookie : 1;
1066 unsigned declared_class : 1;
1068 unsigned being_defined : 1;
1069 unsigned redefined : 1;
1070 unsigned debug_requested : 1;
1071 unsigned use_template : 2;
1072 unsigned fields_readonly : 1;
1073 unsigned ptrmemfunc_flag : 1;
1074 unsigned was_anonymous : 1;
1076 unsigned has_real_assign_ref : 1;
1077 unsigned has_const_init_ref : 1;
1078 unsigned has_complex_init_ref : 1;
1079 unsigned has_complex_assign_ref : 1;
1080 unsigned has_abstract_assign_ref : 1;
1081 unsigned non_aggregate : 1;
1082 unsigned java_interface : 1;
1084 /* When adding a flag here, consider whether or not it ought to
1085 apply to a template instance if it applies to the template. If
1086 so, make sure to copy it in instantiate_class_template! */
1088 /* There are some bits left to fill out a 32-bit word. Keep track
1089 of this by updating the size of this bitfield whenever you add or
1099 binding_table nested_udts;
1102 tree friend_classes;
1103 tree GTY ((reorder ("resort_type_method_vec"))) methods;
1107 tree befriending_classes;
1110 struct lang_type_ptrmem GTY(())
1112 struct lang_type_header h;
1116 struct lang_type GTY(())
1120 struct lang_type_header GTY((tag ("2"))) h;
1121 struct lang_type_class GTY((tag ("1"))) c;
1122 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1123 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1126 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1128 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1129 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1130 if (! lt->u.h.is_lang_type_class) \
1131 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1134 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1135 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1136 if (lt->u.h.is_lang_type_class) \
1137 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1142 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1143 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1145 #endif /* ENABLE_TREE_CHECKING */
1147 /* Indicates whether or not (and how) a template was expanded for this class.
1148 0=no information yet/non-template class
1149 1=implicit template instantiation
1150 2=explicit template specialization
1151 3=explicit template instantiation */
1152 #define CLASSTYPE_USE_TEMPLATE(NODE) \
1153 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
1155 /* Fields used for storing information before the class is defined.
1156 After the class is defined, these fields hold other information. */
1158 /* List of friends which were defined inline in this class definition. */
1159 #define CLASSTYPE_INLINE_FRIENDS(NODE) CLASSTYPE_PURE_VIRTUALS (NODE)
1161 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1162 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1163 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1165 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1166 storage to indicate how many array elements are in use. */
1167 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1168 (CLASS_TYPE_P (NODE) \
1169 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1171 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1172 itself to other types. */
1173 #define TYPE_HAS_CONVERSION(NODE) \
1174 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1176 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1177 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1178 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1179 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1181 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1182 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1183 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1184 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1186 /* Nonzero if this class defines an overloaded operator new. (An
1187 operator new [] doesn't count.) */
1188 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1189 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1191 /* Nonzero if this class defines an overloaded operator new[]. */
1192 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1193 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1195 /* Nonzero means that this type is being defined. I.e., the left brace
1196 starting the definition of this type has been seen. */
1197 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1198 /* Nonzero means that this type has been redefined. In this case, if
1199 convenient, don't reprocess any methods that appear in its redefinition. */
1200 #define TYPE_REDEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->redefined)
1202 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1203 multiple inheritance. If this is 0 for the root of a type
1204 hierarchy, then we can use more efficient search techniques. */
1205 #define TYPE_USES_MULTIPLE_INHERITANCE(NODE) \
1206 (LANG_TYPE_CLASS_CHECK (NODE)->h.uses_multiple_inheritance)
1208 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
1209 virtual base classes. If this is 0 for the root of a type
1210 hierarchy, then we can use more efficient search techniques. */
1211 #define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3 (NODE))
1213 /* The member function with which the vtable will be emitted:
1214 the first noninline non-pure-virtual member function. NULL_TREE
1215 if there is no key function or if this is a class template */
1216 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1218 /* Vector member functions defined in this class. Each element is
1219 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1220 functions with the same name end up in the same slot. The first
1221 two elements are for constructors, and destructors, respectively.
1222 All template conversion operators to innermost template dependent
1223 types are overloaded on the next slot, if they exist. Note, the
1224 names for these functions will not all be the same. The
1225 non-template conversion operators & templated conversions to
1226 non-innermost template types are next, followed by ordinary member
1227 functions. There may be empty entries at the end of the vector.
1228 The conversion operators are unsorted. The ordinary member
1229 functions are sorted, once the class is complete. */
1230 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1232 /* For class templates, this is a TREE_LIST of all member data,
1233 functions, types, and friends in the order of declaration.
1234 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1235 and the RECORD_TYPE for the class template otherwise. */
1236 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1238 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1239 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1241 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1242 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1244 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1245 operators can appear. */
1246 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1248 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1249 are the constructors that take an in-charge parameter. */
1250 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1251 (TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1253 /* A FUNCTION_DECL for the destructor for NODE. These are the
1254 destructors that take an in-charge parameter. */
1255 #define CLASSTYPE_DESTRUCTORS(NODE) \
1256 (TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT))
1258 /* Mark bits for depth-first and breath-first searches. */
1260 /* Get the value of the Nth mark bit. */
1261 #define CLASSTYPE_MARKED_N(NODE, N) \
1262 (((CLASS_TYPE_P (NODE) ? LANG_TYPE_CLASS_CHECK (NODE)->marks \
1263 : ((unsigned) TYPE_ALIAS_SET (NODE))) & (1 << (N))) != 0)
1265 /* Set the Nth mark bit. */
1266 #define SET_CLASSTYPE_MARKED_N(NODE, N) \
1267 (CLASS_TYPE_P (NODE) \
1268 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks |= (1 << (N))) \
1269 : (void) (TYPE_ALIAS_SET (NODE) |= (1 << (N))))
1271 /* Clear the Nth mark bit. */
1272 #define CLEAR_CLASSTYPE_MARKED_N(NODE, N) \
1273 (CLASS_TYPE_P (NODE) \
1274 ? (void) (LANG_TYPE_CLASS_CHECK (NODE)->marks &= ~(1 << (N))) \
1275 : (void) (TYPE_ALIAS_SET (NODE) &= ~(1 << (N))))
1277 /* Get the value of the mark bits. */
1278 #define CLASSTYPE_MARKED(NODE) CLASSTYPE_MARKED_N (NODE, 0)
1279 #define CLASSTYPE_MARKED2(NODE) CLASSTYPE_MARKED_N (NODE, 1)
1280 #define CLASSTYPE_MARKED3(NODE) CLASSTYPE_MARKED_N (NODE, 2)
1281 #define CLASSTYPE_MARKED4(NODE) CLASSTYPE_MARKED_N (NODE, 3)
1282 #define CLASSTYPE_MARKED5(NODE) CLASSTYPE_MARKED_N (NODE, 4)
1283 #define CLASSTYPE_MARKED6(NODE) CLASSTYPE_MARKED_N (NODE, 5)
1285 /* Macros to modify the above flags */
1286 #define SET_CLASSTYPE_MARKED(NODE) SET_CLASSTYPE_MARKED_N (NODE, 0)
1287 #define CLEAR_CLASSTYPE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 0)
1288 #define SET_CLASSTYPE_MARKED2(NODE) SET_CLASSTYPE_MARKED_N (NODE, 1)
1289 #define CLEAR_CLASSTYPE_MARKED2(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 1)
1290 #define SET_CLASSTYPE_MARKED3(NODE) SET_CLASSTYPE_MARKED_N (NODE, 2)
1291 #define CLEAR_CLASSTYPE_MARKED3(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 2)
1292 #define SET_CLASSTYPE_MARKED4(NODE) SET_CLASSTYPE_MARKED_N (NODE, 3)
1293 #define CLEAR_CLASSTYPE_MARKED4(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 3)
1294 #define SET_CLASSTYPE_MARKED5(NODE) SET_CLASSTYPE_MARKED_N (NODE, 4)
1295 #define CLEAR_CLASSTYPE_MARKED5(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 4)
1296 #define SET_CLASSTYPE_MARKED6(NODE) SET_CLASSTYPE_MARKED_N (NODE, 5)
1297 #define CLEAR_CLASSTYPE_MARKED6(NODE) CLEAR_CLASSTYPE_MARKED_N (NODE, 5)
1299 /* A dictionary of the nested user-defined-types (class-types, or enums)
1300 found within this class. This table includes nested member class
1302 #define CLASSTYPE_NESTED_UTDS(NODE) \
1303 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1305 /* Nonzero if NODE has a primary base class, i.e., a base class with
1306 which it shares the virtual function table pointer. */
1307 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1308 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1310 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1311 the base class which contains the virtual function table pointer
1313 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1314 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1316 /* A chain of BINFOs for the direct and indirect virtual base classes
1317 that this type uses in a post-order depth-first left-to-right
1318 order. (In other words, these bases appear in the order that they
1319 should be initialized.) */
1320 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1322 /* Number of direct baseclasses of NODE. */
1323 #define CLASSTYPE_N_BASECLASSES(NODE) \
1324 (BINFO_N_BASETYPES (TYPE_BINFO (NODE)))
1326 /* The type corresponding to NODE when NODE is used as a base class,
1327 i.e., NODE without virtual base classes. */
1329 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1331 /* These are the size and alignment of the type without its virtual
1332 base classes, for when we use this type as a base itself. */
1333 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1334 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1335 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1336 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1338 /* The alignment of NODE, without its virtual bases, in bytes. */
1339 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1340 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1342 /* True if this a Java interface type, declared with
1343 '__attribute__ ((java_interface))'. */
1344 #define TYPE_JAVA_INTERFACE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1346 /* A cons list of virtual functions which cannot be inherited by
1347 derived classes. When deriving from this type, the derived
1348 class must provide its own definition for each of these functions. */
1349 #define CLASSTYPE_PURE_VIRTUALS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1351 /* Nonzero means that this type has an X() constructor. */
1352 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1353 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1355 /* Nonzero means that this type contains a mutable member. */
1356 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1357 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1359 /* Nonzero means that this class type is a non-POD class. */
1360 #define CLASSTYPE_NON_POD_P(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1362 /* Nonzero means that this class contains pod types whose default
1363 initialization is not a zero initialization (namely, pointers to
1365 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1366 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1368 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1369 #define CLASSTYPE_EMPTY_P(NODE) \
1370 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1372 /* Nonzero if this class is "nearly empty", i.e., contains only a
1373 virtual function table pointer. */
1374 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1375 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1377 /* Nonzero if this class contains an empty subobject. */
1378 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1379 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1381 /* A list of class types of which this type is a friend. The
1382 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1383 case of a template friend. */
1384 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1385 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1387 /* A list of the classes which grant friendship to this class. */
1388 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1389 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1391 /* Say whether this node was declared as a "class" or a "struct". */
1392 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1393 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1395 /* Nonzero if this class has const members
1396 which have no specified initialization. */
1397 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1398 (TYPE_LANG_SPECIFIC (NODE) \
1399 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1400 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1401 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1403 /* Nonzero if this class has ref members
1404 which have no specified initialization. */
1405 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1406 (TYPE_LANG_SPECIFIC (NODE) \
1407 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1408 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1409 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1411 /* Nonzero if this class is included from a header file which employs
1412 `#pragma interface', and it is not included in its implementation file. */
1413 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1414 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1416 /* True if we have already determined whether or not vtables, VTTs,
1417 typeinfo, and other similar per-class data should be emitted in
1418 this translation unit. This flag does not indicate whether or not
1419 these items should be emitted; it only indicates that we know one
1420 way or the other. */
1421 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1422 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1423 /* The opposite of CLASSTYPE_INTERFANCE_KNOWN. */
1424 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1425 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1427 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1428 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1429 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1430 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1431 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1432 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1434 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1435 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1436 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1438 /* Additional macros for inheritance information. */
1440 /* The BINFO_INHERITANCE_CHAIN is used opposite to the description in
1441 gcc/tree.h. In particular if D is non-virtually derived from B
1442 then the BINFO for B (in D) will have a BINFO_INHERITANCE_CHAIN
1443 pointing to D. If D is virtually derived, its
1444 BINFO_INHERITANCE_CHAIN will point to the most derived binfo. In
1445 tree.h, this pointer is described as pointing in other
1446 direction. The binfos of virtual bases are shared. */
1448 /* Nonzero means marked by DFS or BFS search. */
1449 #define BINFO_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1451 /* Nonzero means that this class is on a path leading to a new vtable. */
1452 #define BINFO_VTABLE_PATH_MARKED(NODE) TREE_LANG_FLAG_3 (NODE)
1454 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1455 have this flag set. */
1456 #define BINFO_NEW_VTABLE_MARKED(B) (TREE_LANG_FLAG_4 (B))
1458 /* Any subobject that needs a new vtable must have a vptr and must not
1459 be a non-virtual primary base (since it would then use the vtable from a
1460 derived class and never become non-primary.) */
1461 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1462 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1463 my_friendly_assert (!BINFO_PRIMARY_P (B) \
1464 || TREE_VIA_VIRTUAL (B), 20000517), \
1465 my_friendly_assert (CLASSTYPE_VFIELDS (BINFO_TYPE (B)) != NULL_TREE, \
1468 /* Nonzero means this class has done dfs_pushdecls. */
1469 #define BINFO_PUSHDECLS_MARKED(NODE) BINFO_VTABLE_PATH_MARKED (NODE)
1471 /* Nonzero if this BINFO is a primary base class. Note, this can be
1472 set for non-canonical virtual bases. For a virtual primary base
1473 you might also need to check whether it is canonical. */
1475 #define BINFO_PRIMARY_P(NODE) \
1476 (BINFO_PRIMARY_BASE_OF (NODE) != NULL_TREE)
1478 /* The index in the VTT where this subobject's sub-VTT can be found.
1479 NULL_TREE if there is no sub-VTT. */
1480 #define BINFO_SUBVTT_INDEX(NODE) TREE_VEC_ELT (NODE, BINFO_ELTS + 0)
1482 /* The index in the VTT where the vptr for this subobject can be
1483 found. NULL_TREE if there is no secondary vptr in the VTT. */
1484 #define BINFO_VPTR_INDEX(NODE) TREE_VEC_ELT (NODE, BINFO_ELTS + 1)
1486 /* The binfo of which NODE is a primary base. (This is different from
1487 BINFO_INHERITANCE_CHAIN for virtual base because a virtual base is
1488 sometimes a primary base for a class for which it is not an
1490 #define BINFO_PRIMARY_BASE_OF(NODE) TREE_VEC_ELT (NODE, BINFO_ELTS + 2)
1492 /* C++ binfos have 3 additional entries. */
1494 #define BINFO_LANG_ELTS (BINFO_ELTS + 3)
1496 /* Nonzero if this binfo is for a dependent base - one that should not
1498 #define BINFO_DEPENDENT_BASE_P(NODE) TREE_LANG_FLAG_1(NODE)
1500 /* Nonzero if this binfo has lost its primary base binfo (because that
1501 is a nearly-empty virtual base that has been taken by some other
1502 base in the complete hierarchy. */
1503 #define BINFO_LOST_PRIMARY_P(NODE) TREE_LANG_FLAG_2 (NODE)
1505 /* Nonzero if this binfo is an indirect primary base, i.e. a virtual
1506 base that is a primary base of some of other class in the
1508 #define BINFO_INDIRECT_PRIMARY_P(NODE) TREE_USED (NODE)
1510 /* Used by various search routines. */
1511 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1513 /* A TREE_LIST of the vcall indices associated with the class NODE.
1514 The TREE_PURPOSE of each node is a FUNCTION_DECL for a virtual
1515 function. The TREE_VALUE is the index into the virtual table where
1516 the vcall offset for that function is stored, when NODE is a
1518 #define CLASSTYPE_VCALL_INDICES(NODE) \
1519 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1521 /* The various vtables for the class NODE. The primary vtable will be
1522 first, followed by the construction vtables and VTT, if any. */
1523 #define CLASSTYPE_VTABLES(NODE) \
1524 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1526 /* The std::type_info variable representing this class, or NULL if no
1527 such variable has been created. This field is only set for the
1528 TYPE_MAIN_VARIANT of the class. */
1529 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1530 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1532 /* Accessor macros for the vfield slots in structures. */
1534 /* List of virtual table fields that this type contains (both the primary
1535 and secondaries). The TREE_VALUE is the class type where the vtable
1536 field was introduced. For a vtable field inherited from the primary
1537 base, or introduced by this class, the TREE_PURPOSE is NULL. For
1538 other vtable fields (those from non-primary bases), the
1539 TREE_PURPOSE is the BINFO of the base through which the vtable was
1541 #define CLASSTYPE_VFIELDS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vfields)
1543 /* Get the BINFO that introduced this vtable into the hierarchy (will
1544 be NULL for those created at this level, or from a primary
1546 #define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
1548 /* Get the TYPE that introduced this vtable into the hierarchy (always
1550 #define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
1552 /* Accessor macros for the BINFO_VIRTUALS list. */
1554 /* The number of bytes by which to adjust the `this' pointer when
1555 calling this virtual function. Subtract this value from the this
1556 pointer. Always non-NULL, might be constant zero though. */
1557 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1559 /* If non-NULL, the vtable index at which to find the vcall offset
1560 when calling this virtual function. Add the value at that vtable
1561 index to the this pointer. */
1562 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1564 /* The function to call. */
1565 #define BV_FN(NODE) (TREE_VALUE (NODE))
1568 /* Nonzero for TREE_LIST node means that this list of things
1569 is a list of parameters, as opposed to a list of expressions. */
1570 #define TREE_PARMLIST(NODE) (TREE_LANG_FLAG_2 (NODE))
1572 /* Nonzero for a parmlist means that this parmlist ended in ... */
1573 #define PARMLIST_ELLIPSIS_P(NODE) TREE_LANG_FLAG_0 (NODE)
1575 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1576 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1577 will be NULL_TREE to indicate a throw specification of `()', or
1578 no exceptions allowed. */
1579 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_BINFO (NODE)
1581 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1582 #define TYPE_NOTHROW_P(NODE) \
1583 (TYPE_RAISES_EXCEPTIONS (NODE) \
1584 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1586 /* The binding level associated with the namespace. */
1587 #define NAMESPACE_LEVEL(NODE) \
1588 (DECL_LANG_SPECIFIC (NODE)->decl_flags.u.level)
1591 /* If a DECL has DECL_LANG_SPECIFIC, it is either a lang_decl_flags or
1592 a lang_decl (which has lang_decl_flags as its initial prefix).
1593 This macro is nonzero for tree nodes whose DECL_LANG_SPECIFIC is
1594 the full lang_decl, and not just lang_decl_flags. */
1595 #define CAN_HAVE_FULL_LANG_DECL_P(NODE) \
1596 (!(TREE_CODE (NODE) == VAR_DECL \
1597 || TREE_CODE (NODE) == CONST_DECL \
1598 || TREE_CODE (NODE) == FIELD_DECL \
1599 || TREE_CODE (NODE) == USING_DECL))
1601 struct lang_decl_flags GTY(())
1603 ENUM_BITFIELD(languages) language : 8;
1605 unsigned operator_attr : 1;
1606 unsigned constructor_attr : 1;
1607 unsigned destructor_attr : 1;
1608 unsigned friend_attr : 1;
1609 unsigned static_function : 1;
1610 unsigned pure_virtual : 1;
1611 unsigned has_in_charge_parm_p : 1;
1612 unsigned has_vtt_parm_p : 1;
1614 unsigned deferred : 1;
1615 unsigned use_template : 2;
1616 unsigned nonconverting : 1;
1617 unsigned not_really_extern : 1;
1618 unsigned needs_final_overrider : 1;
1619 unsigned initialized_in_class : 1;
1620 unsigned assignment_operator_p : 1;
1622 unsigned global_ctor_p : 1;
1623 unsigned global_dtor_p : 1;
1624 unsigned anticipated_p : 1;
1625 unsigned template_conv_p : 1;
1628 unsigned can_be_full : 1;
1629 unsigned this_thunk_p : 1;
1632 /* In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1633 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1634 DECL_TEMPLATE_INFO. */
1635 tree GTY ((tag ("0"))) template_info;
1637 /* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
1638 struct cp_binding_level * GTY ((tag ("1"))) level;
1640 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1642 tree GTY ((tag ("2"))) thunk_alias;
1643 } GTY ((desc ("%1.u1sel"))) u;
1645 union lang_decl_u2 {
1646 /* This is DECL_ACCESS. */
1647 tree GTY ((tag ("0"))) access;
1649 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1650 int GTY ((tag ("1"))) discriminator;
1652 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1653 THUNK_VIRTUAL_OFFSET. */
1654 tree GTY((tag ("2"))) virtual_offset;
1655 } GTY ((desc ("%1.u2sel"))) u2;
1658 /* sorted_fields is sorted based on a pointer, so we need to be able
1659 to resort it if pointers get rearranged. */
1661 struct lang_decl GTY(())
1663 struct lang_decl_flags decl_flags;
1667 struct full_lang_decl
1669 /* For a non-thunk function decl, this is a tree list of
1670 friendly classes. For a thunk function decl, it is the
1671 thunked to function decl. */
1672 tree befriending_classes;
1674 /* For a non-virtual FUNCTION_DECL, this is
1675 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1676 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1677 this pointer and result pointer adjusting thunks are
1678 chained here. This pointer thunks to return pointer thunks
1679 will be chained on the return pointer thunk. */
1682 /* In a FUNCTION_DECL, this is DECL_CLONED_FUNCTION. */
1683 tree cloned_function;
1685 /* In a FUNCTION_DECL for which THUNK_P holds, this is
1686 THUNK_FIXED_OFFSET. */
1687 HOST_WIDE_INT fixed_offset;
1689 /* In an overloaded operator, this is the value of
1690 DECL_OVERLOADED_OPERATOR_P. */
1691 enum tree_code operator_code;
1694 unsigned pending_inline_p : 1;
1698 struct sorted_fields_type * GTY ((tag ("0"), reorder ("resort_sorted_fields")))
1700 struct cp_token_cache * GTY ((tag ("2"))) pending_inline_info;
1701 struct language_function * GTY ((tag ("1")))
1702 saved_language_function;
1703 } GTY ((desc ("%1.u3sel + %1.pending_inline_p"))) u;
1704 } GTY ((tag ("1"))) f;
1705 } GTY ((desc ("%1.decl_flags.can_be_full"))) u;
1708 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1710 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1711 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1712 if (lt->decl_flags.u2sel != TF) \
1713 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1714 <->decl_flags.u2; })
1718 #define LANG_DECL_U2_CHECK(NODE, TF) \
1719 (&DECL_LANG_SPECIFIC (NODE)->decl_flags.u2)
1721 #endif /* ENABLE_TREE_CHECKING */
1723 /* DECL_NEEDED_P holds of a declaration when we need to emit its
1724 definition. This is true when the back-end tells us that
1725 the symbol has been referenced in the generated code. If, however,
1726 we are not generating code, then it is also true when a symbol has
1727 just been used somewhere, even if it's not really needed. We need
1728 anything that isn't comdat, but we don't know for sure whether or
1729 not something is comdat until end-of-file. */
1730 #define DECL_NEEDED_P(DECL) \
1731 ((at_eof && TREE_PUBLIC (DECL) && !DECL_COMDAT (DECL)) \
1732 || (DECL_ASSEMBLER_NAME_SET_P (DECL) \
1733 && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL))) \
1734 || (((flag_syntax_only || flag_unit_at_a_time) && TREE_USED (DECL))))
1736 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1737 declaration. Some entities (like a member function in a local
1738 class, or a local variable) do not have linkage at all, and this
1739 macro should not be used in those cases.
1741 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1742 created by language-independent code, and has C linkage. Most
1743 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1744 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1745 #define DECL_LANGUAGE(NODE) \
1746 (DECL_LANG_SPECIFIC (NODE) \
1747 ? DECL_LANG_SPECIFIC (NODE)->decl_flags.language \
1748 : (TREE_CODE (NODE) == FUNCTION_DECL \
1749 ? lang_c : lang_cplusplus))
1751 /* Set the language linkage for NODE to LANGUAGE. */
1752 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1753 (DECL_LANG_SPECIFIC (NODE)->decl_flags.language = (LANGUAGE))
1755 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1756 #define DECL_CONSTRUCTOR_P(NODE) \
1757 (DECL_LANG_SPECIFIC (NODE)->decl_flags.constructor_attr)
1759 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1761 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1762 (DECL_CONSTRUCTOR_P (NODE) \
1763 && DECL_NAME (NODE) == complete_ctor_identifier)
1765 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1767 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1768 (DECL_CONSTRUCTOR_P (NODE) \
1769 && DECL_NAME (NODE) == base_ctor_identifier)
1771 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1772 specialized in-charge constructor or the specialized not-in-charge
1774 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1775 (DECL_CONSTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1777 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1778 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1779 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1781 /* Nonzero if NODE is a destructor. */
1782 #define DECL_DESTRUCTOR_P(NODE) \
1783 (DECL_LANG_SPECIFIC (NODE)->decl_flags.destructor_attr)
1785 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1786 specialized in-charge constructor, in-charge deleting constructor,
1787 or the the base destructor. */
1788 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1789 (DECL_DESTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1791 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1793 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1794 (DECL_DESTRUCTOR_P (NODE) \
1795 && DECL_NAME (NODE) == complete_dtor_identifier)
1797 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1799 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1800 (DECL_DESTRUCTOR_P (NODE) \
1801 && DECL_NAME (NODE) == base_dtor_identifier)
1803 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1804 object that deletes the object after it has been destroyed. */
1805 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1806 (DECL_DESTRUCTOR_P (NODE) \
1807 && DECL_NAME (NODE) == deleting_dtor_identifier)
1809 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1811 #define DECL_CLONED_FUNCTION_P(NODE) \
1812 ((TREE_CODE (NODE) == FUNCTION_DECL \
1813 || TREE_CODE (NODE) == TEMPLATE_DECL) \
1814 && DECL_LANG_SPECIFIC (NODE) \
1815 && DECL_CLONED_FUNCTION (NODE) != NULL_TREE)
1817 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1819 #define DECL_CLONED_FUNCTION(NODE) \
1820 (DECL_LANG_SPECIFIC (NODE)->u.f.cloned_function)
1822 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1823 #define DECL_DISCRIMINATOR_P(NODE) \
1824 (TREE_CODE (NODE) == VAR_DECL \
1825 && DECL_FUNCTION_SCOPE_P (NODE))
1827 /* Discriminator for name mangling. */
1828 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1830 /* Nonzero if the VTT parm has been added to NODE. */
1831 #define DECL_HAS_VTT_PARM_P(NODE) \
1832 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_vtt_parm_p)
1834 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1836 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1837 (TYPE_USES_VIRTUAL_BASECLASSES (DECL_CONTEXT (NODE)) \
1838 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1839 || DECL_BASE_DESTRUCTOR_P (NODE)))
1841 /* Nonzero if NODE is a user-defined conversion operator. */
1842 #define DECL_CONV_FN_P(NODE) \
1843 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1845 /* If FN is a conversion operator, the type to which it converts.
1846 Otherwise, NULL_TREE. */
1847 #define DECL_CONV_FN_TYPE(FN) \
1848 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
1850 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
1851 conversion operator to a type dependent on the innermost template
1853 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
1854 (DECL_LANG_SPECIFIC (NODE)->decl_flags.template_conv_p)
1856 /* Set the overloaded operator code for NODE to CODE. */
1857 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
1858 (DECL_LANG_SPECIFIC (NODE)->u.f.operator_code = (CODE))
1860 /* If NODE is an overloaded operator, then this returns the TREE_CODE
1861 associated with the overloaded operator.
1862 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
1863 whether or not NODE is an assignment operator. If NODE is not an
1864 overloaded operator, ERROR_MARK is returned. Since the numerical
1865 value of ERROR_MARK is zero, this macro can be used as a predicate
1866 to test whether or not NODE is an overloaded operator. */
1867 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
1868 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
1869 ? DECL_LANG_SPECIFIC (NODE)->u.f.operator_code : ERROR_MARK)
1871 /* Nonzero if NODE is an assignment operator. */
1872 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
1873 (DECL_LANG_SPECIFIC (NODE)->decl_flags.assignment_operator_p)
1875 /* For FUNCTION_DECLs: nonzero means that this function is a
1876 constructor or a destructor with an extra in-charge parameter to
1877 control whether or not virtual bases are constructed. */
1878 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
1879 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p)
1881 /* Nonzero if NODE is an overloaded `operator delete[]' function. */
1882 #define DECL_ARRAY_DELETE_OPERATOR_P(NODE) \
1883 (DECL_OVERLOADED_OPERATOR_P (NODE) == VEC_DELETE_EXPR)
1885 /* Nonzero for _DECL means that this decl appears in (or will appear
1886 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1887 detecting circularity in case members are multiply defined. In the
1888 case of a VAR_DECL, it is also used to determine how program storage
1889 should be allocated. */
1890 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
1892 /* Nonzero for a VAR_DECL means that the variable's initialization has
1894 #define DECL_INITIALIZED_P(NODE) \
1895 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
1897 /* Nonzero for a VAR_DECL that was initialized with a
1898 constant-expression. */
1899 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
1900 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
1902 /* Nonzero for a VAR_DECL that can be used in an integral constant
1907 An integral constant-expression can only involve ... const
1908 variables of static or enumeration types initialized with
1909 constant expressions ...
1911 The standard does not require that the expression be non-volatile.
1912 G++ implements the proposed correction in DR 457. */
1913 #define DECL_INTEGRAL_CONSTANT_VAR_P(NODE) \
1914 (TREE_CODE (NODE) == VAR_DECL \
1915 && CP_TYPE_CONST_NON_VOLATILE_P (TREE_TYPE (NODE)) \
1916 && INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (NODE)) \
1917 && DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (NODE))
1919 /* Nonzero if the DECL was initialized in the class definition itself,
1920 rather than outside the class. This is used for both static member
1921 VAR_DECLS, and FUNTION_DECLS that are defined in the class. */
1922 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
1923 (DECL_LANG_SPECIFIC (DECL)->decl_flags.initialized_in_class)
1925 /* Nonzero for FUNCTION_DECL means that this decl is just a
1926 friend declaration, and should not be added to the list of
1927 member functions for this class. */
1928 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.friend_attr)
1930 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
1931 #define DECL_BEFRIENDING_CLASSES(NODE) \
1932 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
1934 /* Nonzero for FUNCTION_DECL means that this decl is a static
1936 #define DECL_STATIC_FUNCTION_P(NODE) \
1937 (DECL_LANG_SPECIFIC (NODE)->decl_flags.static_function)
1939 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1941 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1942 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1944 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1945 (static or non-static). */
1946 #define DECL_FUNCTION_MEMBER_P(NODE) \
1947 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1949 /* Nonzero for FUNCTION_DECL means that this member function
1950 has `this' as const X *const. */
1951 #define DECL_CONST_MEMFUNC_P(NODE) \
1952 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1953 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
1954 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1956 /* Nonzero for FUNCTION_DECL means that this member function
1957 has `this' as volatile X *const. */
1958 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
1959 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1960 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
1961 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1963 /* Nonzero for a DECL means that this member is a non-static member. */
1964 #define DECL_NONSTATIC_MEMBER_P(NODE) \
1965 ((TREE_CODE (NODE) == FUNCTION_DECL \
1966 && DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE)) \
1967 || TREE_CODE (NODE) == FIELD_DECL)
1969 /* Nonzero for _DECL means that this member object type
1971 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
1973 /* Nonzero for _DECL means that this constructor is a non-converting
1975 #define DECL_NONCONVERTING_P(NODE) \
1976 (DECL_LANG_SPECIFIC (NODE)->decl_flags.nonconverting)
1978 /* Nonzero for FUNCTION_DECL means that this member function is a pure
1979 virtual function. */
1980 #define DECL_PURE_VIRTUAL_P(NODE) \
1981 (DECL_LANG_SPECIFIC (NODE)->decl_flags.pure_virtual)
1983 /* Nonzero for FUNCTION_DECL means that this member function
1984 must be overridden by derived classes. */
1985 #define DECL_NEEDS_FINAL_OVERRIDER_P(NODE) \
1986 (DECL_LANG_SPECIFIC (NODE)->decl_flags.needs_final_overrider)
1988 /* The thunks associated with NODE, a FUNCTION_DECL. */
1989 #define DECL_THUNKS(NODE) \
1990 (DECL_LANG_SPECIFIC (NODE)->u.f.context)
1992 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
1993 #define DECL_THUNK_P(NODE) \
1994 (TREE_CODE (NODE) == FUNCTION_DECL \
1995 && DECL_LANG_FLAG_7 (NODE))
1997 /* Nonzero if NODE is a this pointer adjusting thunk. */
1998 #define DECL_THIS_THUNK_P(NODE) \
1999 (DECL_THUNK_P (NODE) && DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
2001 /* Nonzero if NODE is a result pointer adjusting thunk. */
2002 #define DECL_RESULT_THUNK_P(NODE) \
2003 (DECL_THUNK_P (NODE) && !DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
2005 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
2006 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
2007 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
2009 /* Nonzero if NODE is `extern "C"'. */
2010 #define DECL_EXTERN_C_P(NODE) \
2011 (DECL_LANGUAGE (NODE) == lang_c)
2013 /* Nonzero if NODE is an `extern "C"' function. */
2014 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
2015 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
2017 /* Set DECL_THUNK_P for node. */
2018 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
2019 (DECL_LANG_FLAG_7 (NODE) = 1, \
2020 DECL_LANG_SPECIFIC (NODE)->u.f.u3sel = 1, \
2021 DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p = (THIS_ADJUSTING))
2023 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
2024 template function. */
2025 #define DECL_PRETTY_FUNCTION_P(NODE) \
2026 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
2028 /* The _TYPE context in which this _DECL appears. This field holds the
2029 class where a virtual function instance is actually defined. */
2030 #define DECL_CLASS_CONTEXT(NODE) \
2031 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
2033 /* For a non-member friend function, the class (if any) in which this
2034 friend was defined. For example, given:
2036 struct S { friend void f (); };
2038 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
2039 #define DECL_FRIEND_CONTEXT(NODE) \
2040 ((DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
2041 ? DECL_LANG_SPECIFIC (NODE)->u.f.context \
2044 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
2045 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
2046 (DECL_LANG_SPECIFIC (NODE)->u.f.context = (CONTEXT))
2048 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
2049 #define CP_DECL_CONTEXT(NODE) \
2050 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
2051 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
2053 /* 1 iff NODE has namespace scope, including the global namespace. */
2054 #define DECL_NAMESPACE_SCOPE_P(NODE) \
2055 (!DECL_TEMPLATE_PARM_P (NODE) \
2056 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
2058 /* 1 iff NODE is a class member. */
2059 #define DECL_CLASS_SCOPE_P(NODE) \
2060 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
2062 /* 1 iff NODE is function-local. */
2063 #define DECL_FUNCTION_SCOPE_P(NODE) \
2064 (DECL_CONTEXT (NODE) \
2065 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
2067 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
2068 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
2070 /* 1 iff NODE is function-local, but for types. */
2071 #define LOCAL_CLASS_P(NODE) \
2072 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
2074 /* For a NAMESPACE_DECL: the list of using namespace directives
2075 The PURPOSE is the used namespace, the value is the namespace
2076 that is the common ancestor. */
2077 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
2079 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2080 of a namespace, to record the transitive closure of using namespace. */
2081 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2083 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2084 themselves with this one. */
2085 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2086 (NAMESPACE_DECL_CHECK (NODE)->decl.saved_tree)
2088 /* In a NAMESPACE_DECL, points to the original namespace if this is
2089 a namespace alias. */
2090 #define DECL_NAMESPACE_ALIAS(NODE) \
2091 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2092 #define ORIGINAL_NAMESPACE(NODE) \
2093 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2095 /* Nonzero if NODE is the std namespace. */
2096 #define DECL_NAMESPACE_STD_P(NODE) \
2097 (TREE_CODE (NODE) == NAMESPACE_DECL \
2098 && CP_DECL_CONTEXT (NODE) == global_namespace \
2099 && DECL_NAME (NODE) == std_identifier)
2101 /* In a non-local VAR_DECL with static storage duration, this is the
2102 initialization priority. If this value is zero, the NODE will be
2103 initialized at the DEFAULT_INIT_PRIORITY. */
2104 #define DECL_INIT_PRIORITY(NODE) (VAR_DECL_CHECK (NODE)->decl.u2.i)
2106 /* In a TREE_LIST concatenating using directives, indicate indirect
2108 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->common.lang_flag_0)
2110 /* In a VAR_DECL for a variable declared in a for statement,
2111 this is the shadowed (local) variable. */
2112 #define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT_FLD(VAR_DECL_CHECK (NODE))
2114 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2115 the class definition. We have saved away the text of the function,
2116 but have not yet processed it. */
2117 #define DECL_PENDING_INLINE_P(NODE) \
2118 (DECL_LANG_SPECIFIC (NODE)->u.f.pending_inline_p)
2120 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2122 #define DECL_PENDING_INLINE_INFO(NODE) \
2123 (DECL_LANG_SPECIFIC (NODE)->u.f.u.pending_inline_info)
2125 /* For a TYPE_DECL: if this structure has many fields, we'll sort them
2126 and put them into a TREE_VEC. */
2127 #define DECL_SORTED_FIELDS(NODE) \
2128 (DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.f.u.sorted_fields)
2130 /* True if on the deferred_fns (see decl2.c) list. */
2131 #define DECL_DEFERRED_FN(DECL) \
2132 (DECL_LANG_SPECIFIC (DECL)->decl_flags.deferred)
2134 /* For a VAR_DECL, FUNCTION_DECL, TYPE_DECL or TEMPLATE_DECL:
2135 template-specific information. */
2136 #define DECL_TEMPLATE_INFO(NODE) \
2137 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2138 ->decl_flags.u.template_info)
2140 /* For a VAR_DECL, indicates that the variable has been processed.
2141 This flag is set and unset throughout the code; it is always
2142 used for a temporary purpose. */
2143 #define DECL_VAR_MARKED_P(NODE) \
2144 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2146 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2147 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2148 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_TYPE_CHECK (NODE))->template_info)
2150 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2151 not be a primary template, it may be declared within the scope of a
2152 primary template and the enumeration constants may depend on
2153 non-type template parameters. */
2154 #define ENUM_TEMPLATE_INFO(NODE) (TYPE_BINFO (ENUMERAL_TYPE_CHECK (NODE)))
2156 /* Template information for a template template parameter. */
2157 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2158 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2161 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2162 #define TYPE_TEMPLATE_INFO(NODE) \
2163 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2164 ? ENUM_TEMPLATE_INFO (NODE) : \
2165 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2166 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2167 (TYPE_LANG_SPECIFIC (NODE) \
2168 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2171 /* Set the template information for an ENUMERAL_, RECORD_, or
2172 UNION_TYPE to VAL. */
2173 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2174 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2175 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2176 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2178 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2179 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2180 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2182 /* We use TREE_VECs to hold template arguments. If there is only one
2183 level of template arguments, then the TREE_VEC contains the
2184 arguments directly. If there is more than one level of template
2185 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2186 containing the template arguments for a single level. The first
2187 entry in the outer TREE_VEC is the outermost level of template
2188 parameters; the last is the innermost.
2190 It is incorrect to ever form a template argument vector containing
2191 only one level of arguments, but which is a TREE_VEC containing as
2192 its only entry the TREE_VEC for that level. */
2194 /* Nonzero if the template arguments is actually a vector of vectors,
2195 rather than just a vector. */
2196 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2197 (NODE && TREE_VEC_ELT (NODE, 0) \
2198 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2200 /* The depth of a template argument vector. When called directly by
2201 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2202 template arguments. In fact, we may even see NULL_TREE if there
2203 are no template arguments. In both of those cases, there is only
2204 one level of template arguments. */
2205 #define TMPL_ARGS_DEPTH(NODE) \
2206 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2208 /* The LEVELth level of the template ARGS. The outermost level of
2209 args is level 1, not level 0. */
2210 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2211 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2212 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2214 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2215 not work with single-level argument vectors. */
2216 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2217 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2219 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2220 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2221 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2223 /* Set the IDXth element in the LEVELth level of ARGS to VAL. This
2224 macro does not work with single-level argument vectors. */
2225 #define SET_TMPL_ARG(ARGS, LEVEL, IDX, VAL) \
2226 (TREE_VEC_ELT (TREE_VEC_ELT ((ARGS), (LEVEL) - 1), (IDX)) = (VAL))
2228 /* Given a single level of template arguments in NODE, return the
2229 number of arguments. */
2230 #define NUM_TMPL_ARGS(NODE) \
2231 (TREE_VEC_LENGTH (NODE))
2233 /* Returns the innermost level of template arguments in ARGS. */
2234 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2235 (get_innermost_template_args ((NODE), 1))
2237 /* The number of levels of template parameters given by NODE. */
2238 #define TMPL_PARMS_DEPTH(NODE) \
2239 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2241 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2242 TEMPLATE_DECL will be the immediate parent, not the most general
2243 template. For example, in:
2245 template <class T> struct S { template <class U> void f(U); }
2247 the FUNCTION_DECL for S<int>::f<double> will have, as its
2248 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2250 As a special case, for a member friend template of a template
2251 class, this value will not be a TEMPLATE_DECL, but rather an
2252 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2253 any explicit template arguments provided. For example, in:
2255 template <class T> struct S { friend void f<int>(int, double); }
2257 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2258 DECL_TI_ARGS will be {int}. */
2259 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2261 /* The template arguments used to obtain this decl from the most
2262 general form of DECL_TI_TEMPLATE. For the example given for
2263 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2264 are always the full set of arguments required to instantiate this
2265 declaration from the most general template specialized here. */
2266 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2267 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2268 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2269 #define ENUM_TI_TEMPLATE(NODE) \
2270 TI_TEMPLATE (ENUM_TEMPLATE_INFO (NODE))
2271 #define ENUM_TI_ARGS(NODE) \
2272 TI_ARGS (ENUM_TEMPLATE_INFO (NODE))
2274 /* For a template instantiation TYPE, returns the TYPE corresponding
2275 to the primary template. Otherwise returns TYPE itself. */
2276 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2277 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2278 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2279 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2282 /* Like DECL_TI_TEMPLATE, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2283 #define TYPE_TI_TEMPLATE(NODE) \
2284 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2286 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2287 #define TYPE_TI_ARGS(NODE) \
2288 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2290 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2292 /* Nonzero if the NODE corresponds to the template parameters for a
2293 member template, whose inline definition is being processed after
2294 the class definition is complete. */
2295 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2297 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2298 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2299 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
2300 ->u.f.u.saved_language_function)
2302 #define NEW_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
2303 #define DELETE_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
2304 #define DELETE_EXPR_USE_VEC(NODE) TREE_LANG_FLAG_1 (NODE)
2306 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2307 resolve to a function call. */
2308 #define COMPOUND_EXPR_OVERLOADED(NODE) TREE_LANG_FLAG_0 (NODE)
2310 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2311 should be performed at instantiation time. */
2312 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0(NODE)
2314 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2315 constructor call, rather than an ordinary function call. */
2316 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2317 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2319 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2320 TEMPLATE_DECL. This macro determines whether or not a given class
2321 type is really a template type, as opposed to an instantiation or
2322 specialization of one. */
2323 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2324 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2325 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2326 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2328 /* The name used by the user to name the typename type. Typically,
2329 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2330 corresponding TYPE_DECL. However, this may also be a
2331 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2332 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPE_FIELDS (NODE))
2334 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2335 using a twos-complement negated operand. */
2336 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2338 /* Nonzero in any kind of _TYPE where conversions to base-classes may
2339 involve pointer arithmetic. If this is zero, then converting to
2340 a base-class never requires changing the value of the pointer. */
2341 #define TYPE_BASE_CONVS_MAY_REQUIRE_CODE_P(NODE) (TREE_LANG_FLAG_1 (NODE))
2345 A class that declares or inherits a virtual function is called a
2346 polymorphic class. */
2347 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2349 /* Nonzero if this class has a virtual function table pointer. */
2350 #define TYPE_CONTAINS_VPTR_P(NODE) \
2351 (TYPE_POLYMORPHIC_P (NODE) \
2352 || TYPE_USES_VIRTUAL_BASECLASSES (NODE))
2354 /* This flag is true of a local VAR_DECL if it was declared in a for
2355 statement, but we are no longer in the scope of the for. */
2356 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2358 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2359 if we already emitted a warning about using it. */
2360 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2362 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2363 scope) declared in a local scope. */
2364 #define DECL_LOCAL_FUNCTION_P(NODE) \
2365 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2367 /* Nonzero if NODE is a FUNCTION_DECL for a built-in function, and we have
2368 not yet seen a prototype for that function. */
2369 #define DECL_ANTICIPATED(NODE) \
2370 (DECL_LANG_SPECIFIC (DECL_CHECK (NODE))->decl_flags.anticipated_p)
2372 /* Record whether a typedef for type `int' was actually `signed int'. */
2373 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2375 /* Returns nonzero if DECL has external linkage, as specified by the
2376 language standard. (This predicate may hold even when the
2377 corresponding entity is not actually given external linkage in the
2378 object file; see decl_linkage for details.) */
2379 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2380 (decl_linkage (DECL) == lk_external)
2382 #define INTEGRAL_CODE_P(CODE) \
2383 ((CODE) == INTEGER_TYPE || (CODE) == ENUMERAL_TYPE || (CODE) == BOOLEAN_TYPE)
2385 /* [basic.fundamental]
2387 Types bool, char, wchar_t, and the signed and unsigned integer types
2388 are collectively called integral types.
2390 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2391 types as well, which is incorrect in C++. */
2392 #define CP_INTEGRAL_TYPE_P(TYPE) \
2393 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2394 || TREE_CODE (TYPE) == INTEGER_TYPE)
2396 /* Returns true if TYPE is an integral or enumeration name. */
2397 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2398 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == ENUMERAL_TYPE)
2400 /* [basic.fundamental]
2402 Integral and floating types are collectively called arithmetic
2404 #define ARITHMETIC_TYPE_P(TYPE) \
2405 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == REAL_TYPE)
2409 Arithmetic types, enumeration types, pointer types, and
2410 pointer-to-member types, are collectively called scalar types. */
2411 #define SCALAR_TYPE_P(TYPE) \
2412 (ARITHMETIC_TYPE_P (TYPE) \
2413 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2414 || TYPE_PTR_P (TYPE) \
2415 || TYPE_PTR_TO_MEMBER_P (TYPE))
2419 An aggregate is an array or a class with no user-declared
2420 constructors, no private or protected non-static data members, no
2421 base classes, and no virtual functions.
2423 As an extension, we also treat vectors as aggregates. */
2424 #define CP_AGGREGATE_TYPE_P(TYPE) \
2425 (TREE_CODE (TYPE) == ARRAY_TYPE \
2426 || TREE_CODE (TYPE) == VECTOR_TYPE \
2427 || (CLASS_TYPE_P (TYPE) \
2428 && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2430 /* Nonzero for a class type means that the class type has a
2431 user-declared constructor. */
2432 #define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2434 /* When appearing in an INDIRECT_REF, it means that the tree structure
2435 underneath is actually a call to a constructor. This is needed
2436 when the constructor must initialize local storage (which can
2437 be automatically destroyed), rather than allowing it to allocate
2438 space from the heap.
2440 When appearing in a SAVE_EXPR, it means that underneath
2441 is a call to a constructor.
2443 When appearing in a CONSTRUCTOR, it means that it was
2444 a GNU C constructor expression.
2446 When appearing in a FIELD_DECL, it means that this field
2447 has been duly initialized in its constructor. */
2448 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2450 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2451 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE \
2452 && ! TREE_HAS_CONSTRUCTOR (NODE))
2454 /* Nonzero for _TYPE means that the _TYPE defines a destructor. */
2455 #define TYPE_HAS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_2 (NODE))
2457 /* Nonzero means that an object of this type can not be initialized using
2458 an initializer list. */
2459 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2460 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2461 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
2462 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
2464 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
2465 #define TYPE_HAS_REAL_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_real_assign_ref)
2466 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
2467 #define TYPE_HAS_ABSTRACT_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_abstract_assign_ref)
2468 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
2470 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
2472 A destructor is trivial if it is an implicitly declared
2475 - all of the direct base classes of its class have trivial
2478 - for all of the non-static data members of its class that are
2479 of class type (or array thereof), each such class has a
2480 trivial destructor. */
2481 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
2482 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
2484 /* Nonzero for _TYPE node means that this type does not have a trivial
2485 destructor. Therefore, destroying an object of this type will
2486 involve a call to a destructor. This can apply to objects of
2487 ARRAY_TYPE is the type of the elements needs a destructor. */
2488 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
2489 (TYPE_LANG_FLAG_4 (NODE))
2491 /* Nonzero for class type means that copy initialization of this type can use
2493 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
2494 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
2496 /* Nonzero for class type means that assignment of this type can use
2498 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
2499 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
2501 /* Returns true if NODE is a pointer-to-data-member. */
2502 #define TYPE_PTRMEM_P(NODE) \
2503 (TREE_CODE (NODE) == OFFSET_TYPE)
2504 #define TYPE_PTR_P(NODE) \
2505 (TREE_CODE (NODE) == POINTER_TYPE)
2506 #define TYPE_PTROB_P(NODE) \
2507 (TYPE_PTR_P (NODE) \
2508 && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE \
2509 && TREE_CODE (TREE_TYPE (NODE)) != METHOD_TYPE \
2510 && TREE_CODE (TREE_TYPE (NODE)) != VOID_TYPE)
2511 #define TYPE_PTROBV_P(NODE) \
2512 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE)
2513 #define TYPE_PTRFN_P(NODE) \
2514 (TREE_CODE (NODE) == POINTER_TYPE \
2515 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2516 #define TYPE_REFFN_P(NODE) \
2517 (TREE_CODE (NODE) == REFERENCE_TYPE \
2518 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2520 /* Nonzero for _TYPE node means that this type is a pointer to member
2522 #define TYPE_PTRMEMFUNC_P(NODE) \
2523 (TREE_CODE (NODE) == RECORD_TYPE \
2524 && TYPE_LANG_SPECIFIC (NODE) \
2525 && TYPE_PTRMEMFUNC_FLAG (NODE))
2527 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
2528 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
2530 /* Returns true if NODE is a pointer-to-member. */
2531 #define TYPE_PTR_TO_MEMBER_P(NODE) \
2532 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
2534 /* Indicates when overload resolution may resolve to a pointer to
2535 member function. [expr.unary.op]/3 */
2536 #define PTRMEM_OK_P(NODE) TREE_LANG_FLAG_0 (NODE)
2538 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
2539 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
2540 before using this macro. */
2541 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
2542 (TREE_TYPE (TYPE_FIELDS (NODE)))
2544 /* Returns `A' for a type like `int (A::*)(double)' */
2545 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
2546 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2548 /* These are use to manipulate the canonical RECORD_TYPE from the
2549 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
2550 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
2551 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
2552 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
2554 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
2556 TYPE_LANG_SPECIFIC (NODE) = \
2557 ggc_alloc_cleared (sizeof (struct lang_type_ptrmem)); \
2558 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
2560 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
2562 /* Returns the pfn field from a TYPE_PTRMEMFUNC_P. */
2563 #define PFN_FROM_PTRMEMFUNC(NODE) pfn_from_ptrmemfunc ((NODE))
2565 /* For a pointer-to-member type of the form `T X::*', this is `X'.
2566 For a type like `void (X::*)() const', this type is `X', not `const
2567 X'. To get at the `const X' you have to look at the
2568 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
2570 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
2571 (TYPE_PTRMEM_P (NODE) \
2572 ? TYPE_OFFSET_BASETYPE (NODE) \
2573 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
2575 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
2576 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
2577 (TYPE_PTRMEM_P (NODE) \
2578 ? TREE_TYPE (NODE) \
2579 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2581 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
2583 #define PTRMEM_CST_CLASS(NODE) \
2584 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
2586 /* For a pointer-to-member constant `X::Y' this is the _DECL for
2588 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
2590 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
2591 specified in its declaration. This can also be set for an
2592 erroneously declared PARM_DECL. */
2593 #define DECL_THIS_EXTERN(NODE) \
2594 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2596 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
2597 specified in its declaration. This can also be set for an
2598 erroneously declared PARM_DECL. */
2599 #define DECL_THIS_STATIC(NODE) \
2600 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2602 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
2603 flag for this because "A union for which objects or pointers are
2604 declared is not an anonymous union" [class.union]. */
2605 #define ANON_AGGR_TYPE_P(NODE) \
2606 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
2607 #define SET_ANON_AGGR_TYPE_P(NODE) \
2608 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
2610 /* Nonzero if TYPE is an anonymous union type. */
2611 #define ANON_UNION_TYPE_P(NODE) \
2612 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
2614 #define UNKNOWN_TYPE LANG_TYPE
2616 /* Define fields and accessors for nodes representing declared names. */
2618 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
2620 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
2622 /* The format of each node in the DECL_FRIENDLIST is as follows:
2624 The TREE_PURPOSE will be the name of a function, i.e., an
2625 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
2626 TREE_VALUEs are friends with the given name. */
2627 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
2628 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2629 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2631 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
2632 each node is a type; the TREE_VALUE is the access granted for this
2633 DECL in that type. The DECL_ACCESS is set by access declarations.
2634 For example, if a member that would normally be public in a
2635 derived class is made protected, then the derived class and the
2636 protected_access_node will appear in the DECL_ACCESS for the node. */
2637 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
2639 /* Nonzero if the FUNCTION_DECL is a global constructor. */
2640 #define DECL_GLOBAL_CTOR_P(NODE) \
2641 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_ctor_p)
2643 /* Nonzero if the FUNCTION_DECL is a global destructor. */
2644 #define DECL_GLOBAL_DTOR_P(NODE) \
2645 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_dtor_p)
2647 /* Accessor macros for C++ template decl nodes. */
2649 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
2650 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
2651 template parameters, with 1 being the outermost set of template
2652 parameters. The TREE_VALUE is a vector, whose elements are the
2653 template parameters at each level. Each element in the vector is a
2654 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
2655 non-type parameter), or a TYPE_DECL (if the parameter is a type
2656 parameter). The TREE_PURPOSE is the default value, if any. The
2657 TEMPLATE_PARM_INDEX for the parameter is available as the
2658 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
2660 #define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS (NODE)
2661 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
2662 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
2663 #define DECL_NTPARMS(NODE) \
2664 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
2665 /* For function, method, class-data templates. */
2666 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
2667 /* For a static member variable template, the
2668 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
2669 implicitly generated instantiations of the variable. There are no
2670 partial instantiations of static member variables, so all of these
2671 will be full instantiations.
2673 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
2674 all instantiations and specializations of the class type, including
2675 partial instantiations and partial specializations.
2677 In both cases, the TREE_PURPOSE of each node contains the arguments
2678 used; the TREE_VALUE contains the generated variable. The template
2679 arguments are always complete. For example, given:
2681 template <class T> struct S1 {
2682 template <class U> struct S2 {};
2683 template <class U> struct S2<U*> {};
2686 the record for the partial specialization will contain, as its
2687 argument list, { {T}, {U*} }, and will be on the
2688 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
2689 <class U> struct S1<T>::S2'.
2691 This list is not used for function templates. */
2692 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
2693 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
2694 contains all instantiations and specializations of the function,
2695 including partial instantiations. For a partial instantiation
2696 which is a specialization, this list holds only full
2697 specializations of the template that are instantiations of the
2698 partial instantiation. For example, given:
2700 template <class T> struct S {
2701 template <class U> void f(U);
2702 template <> void f(T);
2705 the `S<int>::f<int>(int)' function will appear on the
2706 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
2707 template <class U> void S<T>::f(U)' and `template <class T> void
2708 S<int>::f(T)'. In the latter case, however, it will have only the
2709 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
2710 for the function declaration will point at the specialization, not
2711 the fully general template.
2713 For a class template, this list contains the partial
2714 specializations of this template. (Full specializations are not
2715 recorded on this list.) The TREE_PURPOSE holds the innermost
2716 arguments used in the partial specialization (e.g., for `template
2717 <class T> struct S<T*, int>' this will be `T*'.) The TREE_VALUE
2718 holds the innermost template parameters for the specialization
2719 (e.g., `T' in the example above.) The TREE_TYPE is the _TYPE node
2720 for the partial specialization.
2722 This list is not used for static variable templates. */
2723 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
2725 /* Nonzero for a DECL which is actually a template parameter. */
2726 #define DECL_TEMPLATE_PARM_P(NODE) \
2727 (DECL_LANG_FLAG_0 (NODE) \
2728 && (TREE_CODE (NODE) == CONST_DECL \
2729 || TREE_CODE (NODE) == PARM_DECL \
2730 || TREE_CODE (NODE) == TYPE_DECL \
2731 || TREE_CODE (NODE) == TEMPLATE_DECL))
2733 /* Mark NODE as a template parameter. */
2734 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
2735 (DECL_LANG_FLAG_0 (NODE) = 1)
2737 /* Nonzero if NODE is a template template parameter. */
2738 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
2739 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
2741 /* Nonzero if NODE is a TEMPLATE_DECL representing an
2742 UNBOUND_CLASS_TEMPLATE tree node. */
2743 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
2744 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
2746 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
2747 (TREE_CODE (NODE) == TEMPLATE_DECL \
2748 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2749 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
2751 /* Nonzero for a DECL that represents a template class. */
2752 #define DECL_CLASS_TEMPLATE_P(NODE) \
2753 (TREE_CODE (NODE) == TEMPLATE_DECL \
2754 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2755 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
2756 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
2758 /* Nonzero if NODE which declares a type. */
2759 #define DECL_DECLARES_TYPE_P(NODE) \
2760 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
2762 /* Nonzero if NODE is the typedef implicitly generated for a type when
2763 the type is declared. In C++, `struct S {};' is roughly
2764 equivalent to `struct S {}; typedef struct S S;' in C.
2765 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
2766 example. In C++, there is a second implicit typedef for each
2767 class, in the scope of `S' itself, so that you can say `S::S'.
2768 DECL_SELF_REFERENCE_P will hold for that second typedef. */
2769 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
2770 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
2771 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
2772 (DECL_LANG_FLAG_2 (NODE) = 1)
2773 #define DECL_SELF_REFERENCE_P(NODE) \
2774 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
2775 #define SET_DECL_SELF_REFERENCE_P(NODE) \
2776 (DECL_LANG_FLAG_4 (NODE) = 1)
2778 /* A `primary' template is one that has its own template header. A
2779 member function of a class template is a template, but not primary.
2780 A member template is primary. Friend templates are primary, too. */
2782 /* Returns the primary template corresponding to these parameters. */
2783 #define DECL_PRIMARY_TEMPLATE(NODE) \
2784 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
2786 /* Returns nonzero if NODE is a primary template. */
2787 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
2789 #define CLASSTYPE_TEMPLATE_LEVEL(NODE) \
2790 (TREE_INT_CST_LOW (TREE_PURPOSE (CLASSTYPE_TI_TEMPLATE (NODE))))
2792 /* Indicates whether or not (and how) a template was expanded for this
2793 FUNCTION_DECL or VAR_DECL.
2794 0=normal declaration, e.g. int min (int, int);
2795 1=implicit template instantiation
2796 2=explicit template specialization, e.g. int min<int> (int, int);
2797 3=explicit template instantiation, e.g. template int min<int> (int, int); */
2798 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.use_template)
2800 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
2801 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
2802 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
2804 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
2805 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
2806 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2807 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
2808 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2809 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
2811 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
2812 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
2813 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2814 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
2815 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2816 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
2818 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
2819 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
2820 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2821 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
2822 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2823 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
2825 /* Nonzero if DECL is a friend function which is an instantiation
2826 from the point of view of the compiler, but not from the point of
2827 view of the language. For example given:
2828 template <class T> struct S { friend void f(T) {}; };
2829 the declaration of `void f(int)' generated when S<int> is
2830 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
2831 a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
2832 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
2833 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
2835 /* Nonzero iff we are currently processing a declaration for an
2836 entity with its own template parameter list, and which is not a
2837 full specialization. */
2838 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
2839 (processing_template_decl > template_class_depth (current_scope ()))
2841 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
2842 instantiated, i.e. its definition has been generated from the
2843 pattern given in the the template. */
2844 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
2845 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
2847 /* We know what we're doing with this decl now. */
2848 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
2850 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
2851 so that assemble_external will work properly. So we have this flag to
2852 tell us whether the decl is really not external. */
2853 #define DECL_NOT_REALLY_EXTERN(NODE) \
2854 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
2856 #define DECL_REALLY_EXTERN(NODE) \
2857 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
2859 /* A thunk is a stub function.
2861 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
2862 The address of the ordinary FUNCTION_DECL is given by the
2863 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
2864 FUNCTION_DECL. The job of the thunk is to either adjust the this
2865 pointer before transferring control to the FUNCTION_DECL, or call
2866 FUNCTION_DECL and then adjust the result value. Note, the result
2867 pointer adjusting thunk must perform a call to the thunked
2868 function, (or be implemented via passing some invisible parameter
2869 to the thunked function, which is modified to perform the
2870 adjustment just before returning).
2872 A thunk may perform either, or both, of the following operations:
2874 o Adjust the this or result pointer by a constant offset.
2875 o Adjust the this or result pointer by looking up a vcall or vbase offset
2878 A this pointer adjusting thunk converts from a base to a derived
2879 class, and hence adds the offsets. A result pointer adjusting thunk
2880 converts from a derived class to a base, and hence subtracts the
2881 offsets. If both operations are performed, then the constant
2882 adjustment is performed first for this pointer adjustment and last
2883 for the result pointer adjustment.
2885 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
2886 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
2887 used. For this pointer adjusting thunks, it is the vcall offset
2888 into the vtable. For result pointer adjusting thunks it is the
2889 binfo of the virtual base to convert to. Use that binfo's vbase
2892 It is possible to have equivalent covariant thunks. These are
2893 distinct virtual covariant thunks whose vbase offsets happen to
2894 have the same value. THUNK_ALIAS is used to pick one as the
2895 canonical thunk, which will get all the this pointer adjusting
2896 thunks attached to it. */
2898 /* An integer indicating how many bytes should be subtracted from the
2899 this or result pointer when this function is called. */
2900 #define THUNK_FIXED_OFFSET(DECL) \
2901 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL))->u.f.fixed_offset)
2903 /* A tree indicating how to perform the virtual adjustment. For a this
2904 adjusting thunk it is the number of bytes to be added to the vtable
2905 to find the vcall offset. For a result adjusting thunk, it is the
2906 binfo of the relevant virtual base. If NULL, then there is no
2907 virtual adjust. (The vptr is always located at offset zero from
2908 the this or result pointer.) (If the covariant type is within the
2909 class hierarchy being laid out, the vbase index is not yet known
2910 at the point we need to create the thunks, hence the need to use
2913 #define THUNK_VIRTUAL_OFFSET(DECL) \
2914 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->virtual_offset)
2916 /* A thunk which is equivalent to another thunk. */
2917 #define THUNK_ALIAS(DECL) \
2918 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.thunk_alias)
2920 /* For thunk NODE, this is the FUNCTION_DECL thunked to. */
2921 #define THUNK_TARGET(NODE) \
2922 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
2924 /* These macros provide convenient access to the various _STMT nodes
2925 created when parsing template declarations. */
2926 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
2927 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
2929 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
2930 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
2932 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
2934 /* Nonzero if this try block is a function try block. */
2935 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
2936 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
2937 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
2938 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
2940 /* The parameters for a call-declarator. */
2941 #define CALL_DECLARATOR_PARMS(NODE) \
2942 (TREE_PURPOSE (TREE_OPERAND (NODE, 1)))
2944 /* The cv-qualifiers for a call-declarator. */
2945 #define CALL_DECLARATOR_QUALS(NODE) \
2946 (TREE_VALUE (TREE_OPERAND (NODE, 1)))
2948 /* The exception-specification for a call-declarator. */
2949 #define CALL_DECLARATOR_EXCEPTION_SPEC(NODE) \
2952 /* An enumeration of the kind of tags that C++ accepts. */
2954 none_type = 0, /* Not a tag type. */
2955 record_type, /* "struct" types. */
2956 class_type, /* "class" types. */
2957 union_type, /* "union" types. */
2958 enum_type, /* "enum" types. */
2959 typename_type /* "typename" types. */
2962 /* The various kinds of lvalues we distinguish. */
2963 typedef enum cp_lvalue_kind {
2964 clk_none = 0, /* Things that are not an lvalue. */
2965 clk_ordinary = 1, /* An ordinary lvalue. */
2966 clk_class = 2, /* An rvalue of class-type. */
2967 clk_bitfield = 4, /* An lvalue for a bit-field. */
2968 clk_packed = 8 /* An lvalue for a packed field. */
2971 /* Various kinds of template specialization, instantiation, etc. */
2972 typedef enum tmpl_spec_kind {
2973 tsk_none, /* Not a template at all. */
2974 tsk_invalid_member_spec, /* An explicit member template
2975 specialization, but the enclosing
2976 classes have not all been explicitly
2978 tsk_invalid_expl_inst, /* An explicit instantiation containing
2979 template parameter lists. */
2980 tsk_excessive_parms, /* A template declaration with too many
2981 template parameter lists. */
2982 tsk_insufficient_parms, /* A template declaration with too few
2984 tsk_template, /* A template declaration. */
2985 tsk_expl_spec, /* An explicit specialization. */
2986 tsk_expl_inst /* An explicit instantiation. */
2989 /* The various kinds of access. BINFO_ACCESS depends on these being
2990 two bit quantities. The numerical values are important; they are
2991 used to initialize RTTI data structures, so changing them changes
2993 typedef enum access_kind {
2994 ak_none = 0, /* Inaccessible. */
2995 ak_public = 1, /* Accessible, as a `public' thing. */
2996 ak_protected = 2, /* Accessible, as a `protected' thing. */
2997 ak_private = 3 /* Accessible, as a `private' thing. */
3000 /* The various kinds of special functions. If you add to this list,
3001 you should update special_function_p as well. */
3002 typedef enum special_function_kind {
3003 sfk_none = 0, /* Not a special function. This enumeral
3004 must have value zero; see
3005 special_function_p. */
3006 sfk_constructor, /* A constructor. */
3007 sfk_copy_constructor, /* A copy constructor. */
3008 sfk_assignment_operator, /* An assignment operator. */
3009 sfk_destructor, /* A destructor. */
3010 sfk_complete_destructor, /* A destructor for complete objects. */
3011 sfk_base_destructor, /* A destructor for base subobjects. */
3012 sfk_deleting_destructor, /* A destructor for complete objects that
3013 deletes the object after it has been
3015 sfk_conversion /* A conversion operator. */
3016 } special_function_kind;
3018 /* The various kinds of linkage. From [basic.link],
3020 A name is said to have linkage when it might denote the same
3021 object, reference, function, type, template, namespace or value
3022 as a name introduced in another scope:
3024 -- When a name has external linkage, the entity it denotes can
3025 be referred to from scopes of other translation units or from
3026 other scopes of the same translation unit.
3028 -- When a name has internal linkage, the entity it denotes can
3029 be referred to by names from other scopes in the same
3032 -- When a name has no linkage, the entity it denotes cannot be
3033 referred to by names from other scopes. */
3035 typedef enum linkage_kind {
3036 lk_none, /* No linkage. */
3037 lk_internal, /* Internal linkage. */
3038 lk_external /* External linkage. */
3041 /* Bitmask flags to control type substitution. */
3042 typedef enum tsubst_flags_t {
3043 tf_none = 0, /* nothing special */
3044 tf_error = 1 << 0, /* give error messages */
3045 tf_warning = 1 << 1, /* give warnings too */
3046 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
3047 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
3048 (make_typename_type use) */
3049 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
3050 instantiate_type use) */
3051 tf_user = 1 << 5, /* found template must be a user template
3052 (lookup_template_class use) */
3053 tf_stmt_expr_cmpd = 1 << 6, /* tsubsting the compound statement of
3054 a statement expr. */
3055 tf_stmt_expr_body = 1 << 7, /* tsubsting the statements in the
3056 body of the compound statement of a
3058 tf_conv = 1 << 8 /* We are determining what kind of
3059 conversion might be permissible,
3060 not actually performing the
3064 /* The kind of checking we can do looking in a class hierarchy. */
3065 typedef enum base_access {
3066 ba_any = 0, /* Do not check access, allow an ambiguous base,
3067 prefer a non-virtual base */
3068 ba_ignore = 1, /* Do not check access */
3069 ba_check = 2, /* Check access */
3070 ba_not_special = 3, /* Do not consider special privilege
3071 current_class_type might give. */
3072 ba_quiet = 4 /* Do not issue error messages (bit mask). */
3075 /* The various kinds of access check during parsing. */
3076 typedef enum deferring_kind {
3077 dk_no_deferred = 0, /* Check access immediately */
3078 dk_deferred = 1, /* Deferred check */
3079 dk_no_check = 2 /* No access check */
3082 /* The kind of base we can find, looking in a class hierarchy.
3083 Values <0 indicate we failed. */
3084 typedef enum base_kind {
3085 bk_inaccessible = -3, /* The base is inaccessible */
3086 bk_ambig = -2, /* The base is ambiguous */
3087 bk_not_base = -1, /* It is not a base */
3088 bk_same_type = 0, /* It is the same type */
3089 bk_proper_base = 1, /* It is a proper base */
3090 bk_via_virtual = 2 /* It is a proper base, but via a virtual
3091 path. This might not be the canonical
3095 /* Set by add_implicitly_declared_members() to keep those members from
3096 being flagged as deprecated or reported as using deprecated
3098 extern int adding_implicit_members;
3101 /* A node that is a list (length 1) of error_mark_nodes. */
3102 extern GTY(()) tree error_mark_list;
3104 /* Node for "pointer to (virtual) function".
3105 This may be distinct from ptr_type_node so gdb can distinguish them. */
3106 #define vfunc_ptr_type_node vtable_entry_type
3109 /* For building calls to `delete'. */
3110 extern GTY(()) tree integer_two_node;
3111 extern GTY(()) tree integer_three_node;
3113 /* The number of function bodies which we are currently processing.
3114 (Zero if we are at namespace scope, one inside the body of a
3115 function, two inside the body of a function in a local class, etc.) */
3116 extern int function_depth;
3118 typedef struct deferred_access GTY(())
3120 /* A TREE_LIST representing name-lookups for which we have deferred
3121 checking access controls. We cannot check the accessibility of
3122 names used in a decl-specifier-seq until we know what is being
3123 declared because code like:
3130 A::B* A::f() { return 0; }
3132 is valid, even though `A::B' is not generally accessible.
3134 The TREE_PURPOSE of each node is the scope used to qualify the
3135 name being looked up; the TREE_VALUE is the DECL to which the
3136 name was resolved. */
3137 tree deferred_access_checks;
3138 /* The current mode of access checks. */
3139 enum deferring_kind deferring_access_checks_kind;
3140 /* The next deferred access data in stack or linked-list. */
3141 struct deferred_access *next;
3146 /* These values are used for the `STRICT' parameter to type_unification and
3147 fn_type_unification. Their meanings are described with the
3148 documentation for fn_type_unification. */
3150 typedef enum unification_kind_t {
3155 } unification_kind_t;
3157 /* Macros for operating on a template instantiation level node, represented
3158 by an EXPR_WITH_FILE_LOCATION. */
3160 #define TINST_DECL(NODE) EXPR_WFL_NODE (NODE)
3161 #define TINST_LINE(NODE) EXPR_WFL_LINENO (NODE)
3162 #define TINST_FILE(NODE) EXPR_WFL_FILENAME (NODE)
3166 extern int current_class_depth;
3168 /* An array of all local classes present in this translation unit, in
3169 declaration order. */
3170 extern GTY(()) varray_type local_classes;
3172 /* Here's where we control how name mangling takes place. */
3174 /* Cannot use '$' up front, because this confuses gdb
3175 (names beginning with '$' are gdb-local identifiers).
3177 Note that all forms in which the '$' is significant are long enough
3178 for direct indexing (meaning that if we know there is a '$'
3179 at a particular location, we can index into the string at
3180 any other location that provides distinguishing characters). */
3182 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
3183 doesn't allow '$' in symbol names. */
3184 #ifndef NO_DOLLAR_IN_LABEL
3188 #define VPTR_NAME "$v"
3189 #define THROW_NAME "$eh_throw"
3190 #define AUTO_VTABLE_NAME "__vtbl$me__"
3191 #define AUTO_TEMP_NAME "_$tmp_"
3192 #define AUTO_TEMP_FORMAT "_$tmp_%d"
3193 #define VTABLE_BASE "$vb"
3194 #define VTABLE_NAME_PREFIX "__vt_"
3195 #define VFIELD_BASE "$vf"
3196 #define VFIELD_NAME "_vptr$"
3197 #define VFIELD_NAME_FORMAT "_vptr$%s"
3198 #define STATIC_NAME_FORMAT "_%s$%s"
3199 #define ANON_AGGRNAME_FORMAT "$_%d"
3201 #else /* NO_DOLLAR_IN_LABEL */
3203 #ifndef NO_DOT_IN_LABEL
3207 #define VPTR_NAME ".v"
3208 #define THROW_NAME ".eh_throw"
3209 #define AUTO_VTABLE_NAME "__vtbl.me__"
3210 #define AUTO_TEMP_NAME "_.tmp_"
3211 #define AUTO_TEMP_FORMAT "_.tmp_%d"
3212 #define VTABLE_BASE ".vb"
3213 #define VTABLE_NAME_PREFIX "__vt_"
3214 #define VFIELD_BASE ".vf"
3215 #define VFIELD_NAME "_vptr."
3216 #define VFIELD_NAME_FORMAT "_vptr.%s"
3217 #define STATIC_NAME_FORMAT "_%s.%s"
3219 #define ANON_AGGRNAME_FORMAT "._%d"
3221 #else /* NO_DOT_IN_LABEL */
3223 #define VPTR_NAME "__vptr"
3224 #define VPTR_NAME_P(ID_NODE) \
3225 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VPTR_NAME, sizeof (VPTR_NAME) - 1))
3226 #define THROW_NAME "__eh_throw"
3227 #define IN_CHARGE_NAME "__in_chrg"
3228 #define AUTO_VTABLE_NAME "__vtbl_me__"
3229 #define AUTO_TEMP_NAME "__tmp_"
3230 #define TEMP_NAME_P(ID_NODE) \
3231 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3232 sizeof (AUTO_TEMP_NAME) - 1))
3233 #define AUTO_TEMP_FORMAT "__tmp_%d"
3234 #define VTABLE_BASE "__vtb"
3235 #define VTABLE_NAME "__vt_"
3236 #define VTABLE_NAME_PREFIX "__vt_"
3237 #define VTABLE_NAME_P(ID_NODE) \
3238 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3239 sizeof (VTABLE_NAME) - 1))
3240 #define VFIELD_BASE "__vfb"
3241 #define VFIELD_NAME "__vptr_"
3242 #define VFIELD_NAME_P(ID_NODE) \
3243 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3244 sizeof (VFIELD_NAME) - 1))
3245 #define VFIELD_NAME_FORMAT "__vptr_%s"
3246 #define STATIC_NAME_FORMAT "__static_%s_%s"
3248 #define ANON_AGGRNAME_PREFIX "__anon_"
3249 #define ANON_AGGRNAME_P(ID_NODE) \
3250 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3251 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3252 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3254 #endif /* NO_DOT_IN_LABEL */
3255 #endif /* NO_DOLLAR_IN_LABEL */
3257 #define THIS_NAME "this"
3258 #define CTOR_NAME "__ct"
3259 #define DTOR_NAME "__dt"
3261 #define IN_CHARGE_NAME "__in_chrg"
3263 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3264 #define VTABLE_DELTA_NAME "__delta"
3265 #define VTABLE_PFN_NAME "__pfn"
3267 #define EXCEPTION_CLEANUP_NAME "exception cleanup"
3269 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3271 #define VPTR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3272 && IDENTIFIER_POINTER (ID_NODE)[1] == 'v')
3274 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3275 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3276 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3278 #define TEMP_NAME_P(ID_NODE) \
3279 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3280 #define VFIELD_NAME_P(ID_NODE) \
3281 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3283 /* For anonymous aggregate types, we need some sort of name to
3284 hold on to. In practice, this should not appear, but it should
3285 not be harmful if it does. */
3286 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3287 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3288 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3290 /* Returns nonzero iff NODE is a declaration for the global function
3292 #define DECL_MAIN_P(NODE) \
3293 (DECL_EXTERN_C_FUNCTION_P (NODE) \
3294 && DECL_NAME (NODE) != NULL_TREE \
3295 && MAIN_NAME_P (DECL_NAME (NODE)))
3298 /* Nonzero if we're done parsing and into end-of-file activities. */
3302 /* A list of namespace-scope objects which have constructors or
3303 destructors which reside in the global scope. The decl is stored
3304 in the TREE_VALUE slot and the initializer is stored in the
3305 TREE_PURPOSE slot. */
3306 extern GTY(()) tree static_aggregates;
3308 /* Functions called along with real static constructors and destructors. */
3310 extern GTY(()) tree static_ctors;
3311 extern GTY(()) tree static_dtors;
3313 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
3315 /* Some macros for char-based bitfields. */
3316 #define B_SET(A,X) ((A)[(X)>>3] |= (1 << ((X)&7)))
3317 #define B_CLR(A,X) ((A)[(X)>>3] &= ~(1 << ((X)&7)))
3318 #define B_TST(A,X) ((A)[(X)>>3] & (1 << ((X)&7)))
3320 /* These are uses as bits in flags passed to build_new_method_call
3321 to control its error reporting behavior.
3323 LOOKUP_PROTECT means flag access violations.
3324 LOOKUP_COMPLAIN mean complain if no suitable member function
3325 matching the arguments is found.
3326 LOOKUP_NORMAL is just a combination of these two.
3327 LOOKUP_NONVIRTUAL means make a direct call to the member function found
3328 LOOKUP_GLOBAL means search through the space of overloaded functions,
3329 as well as the space of member functions.
3330 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
3331 DIRECT_BIND means that if a temporary is created, it should be created so
3332 that it lives as long as the current variable bindings; otherwise it
3333 only lives until the end of the complete-expression. It also forces
3334 direct-initialization in cases where other parts of the compiler have
3335 already generated a temporary, such as reference initialization and the
3337 LOOKUP_SPECULATIVELY means return NULL_TREE if we cannot find what we are
3338 after. Note, LOOKUP_COMPLAIN is checked and error messages printed
3339 before LOOKUP_SPECULATIVELY is checked.
3340 LOOKUP_NO_CONVERSION means that user-defined conversions are not
3341 permitted. Built-in conversions are permitted.
3342 LOOKUP_DESTRUCTOR means explicit call to destructor.
3343 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references.
3345 These are used in global lookup to support elaborated types and
3348 LOOKUP_PREFER_TYPES means not to accept objects, and possibly namespaces.
3349 LOOKUP_PREFER_NAMESPACES means not to accept objects, and possibly types.
3350 LOOKUP_PREFER_BOTH means class-or-namespace-name. */
3352 #define LOOKUP_PROTECT (1 << 0)
3353 #define LOOKUP_COMPLAIN (1 << 1)
3354 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3355 #define LOOKUP_NONVIRTUAL (1 << 2)
3356 #define LOOKUP_GLOBAL (1 << 3)
3357 #define LOOKUP_SPECULATIVELY (1 << 4)
3358 #define LOOKUP_ONLYCONVERTING (1 << 5)
3359 #define DIRECT_BIND (1 << 6)
3360 #define LOOKUP_NO_CONVERSION (1 << 7)
3361 #define LOOKUP_DESTRUCTOR (1 << 8)
3362 #define LOOKUP_NO_TEMP_BIND (1 << 9)
3363 #define LOOKUP_PREFER_TYPES (1 << 10)
3364 #define LOOKUP_PREFER_NAMESPACES (1 << 11)
3365 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
3366 #define LOOKUP_CONSTRUCTOR_CALLABLE (1 << 12)
3368 #define LOOKUP_NAMESPACES_ONLY(F) \
3369 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
3370 #define LOOKUP_TYPES_ONLY(F) \
3371 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
3372 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
3375 /* These flags are used by the conversion code.
3376 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
3377 CONV_STATIC : Perform the explicit conversions for static_cast.
3378 CONV_CONST : Perform the explicit conversions for const_cast.
3379 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
3380 CONV_PRIVATE : Perform upcasts to private bases.
3381 CONV_FORCE_TEMP : Require a new temporary when converting to the same
3384 #define CONV_IMPLICIT 1
3385 #define CONV_STATIC 2
3386 #define CONV_CONST 4
3387 #define CONV_REINTERPRET 8
3388 #define CONV_PRIVATE 16
3389 /* #define CONV_NONCONVERTING 32 */
3390 #define CONV_FORCE_TEMP 64
3391 #define CONV_STATIC_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_FORCE_TEMP)
3392 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3394 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3395 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
3397 /* Used by build_expr_type_conversion to indicate which types are
3398 acceptable as arguments to the expression under consideration. */
3400 #define WANT_INT 1 /* integer types, including bool */
3401 #define WANT_FLOAT 2 /* floating point types */
3402 #define WANT_ENUM 4 /* enumerated types */
3403 #define WANT_POINTER 8 /* pointer types */
3404 #define WANT_NULL 16 /* null pointer constant */
3405 #define WANT_ARITH (WANT_INT | WANT_FLOAT)
3407 /* Used with comptypes, and related functions, to guide type
3410 #define COMPARE_STRICT 0 /* Just check if the types are the
3412 #define COMPARE_BASE 1 /* Check to see if the second type is
3413 derived from the first. */
3414 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
3416 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
3417 another declaration of an existing
3420 /* Used with push_overloaded_decl. */
3421 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
3422 regardless of the current scope. */
3423 #define PUSH_LOCAL 1 /* Push the DECL into the current
3425 #define PUSH_USING 2 /* We are pushing this DECL as the
3426 result of a using declaration. */
3428 /* Used with start function. */
3429 #define SF_DEFAULT 0 /* No flags. */
3430 #define SF_PRE_PARSED 1 /* The function declaration has
3431 already been parsed. */
3432 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
3433 in the class body. */
3435 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
3436 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
3437 class derived from the type pointed to (referred to) by TYPE1. */
3438 #define same_or_base_type_p(TYPE1, TYPE2) \
3439 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
3441 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
3442 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
3443 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
3444 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
3445 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
3446 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
3447 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
3448 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
3450 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
3451 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
3452 #define TEMPLATE_TYPE_PARM_INDEX(NODE) (TYPE_FIELDS (NODE))
3453 #define TEMPLATE_TYPE_IDX(NODE) \
3454 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3455 #define TEMPLATE_TYPE_LEVEL(NODE) \
3456 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3457 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
3458 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3459 #define TEMPLATE_TYPE_DECL(NODE) \
3460 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3462 /* These constants can used as bit flags in the process of tree formatting.
3464 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
3465 TFF_SCOPE: include the class and namespace scope of the name.
3466 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
3467 TFF_DECL_SPECIFIERS: print decl-specifiers.
3468 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
3469 a class-key (resp. `enum').
3470 TFF_RETURN_TYPE: include function return type.
3471 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
3472 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
3473 TFF_TEMPLATE_HEADER: show the template<...> header in a
3474 template-declaration.
3475 TFF_TEMPLATE_NAME: show only template-name.
3476 TFF_EXPR_IN_PARENS: parenthesize expressions.
3477 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments. */
3479 #define TFF_PLAIN_IDENTIFIER (0)
3480 #define TFF_SCOPE (1)
3481 #define TFF_CHASE_TYPEDEF (1 << 1)
3482 #define TFF_DECL_SPECIFIERS (1 << 2)
3483 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
3484 #define TFF_RETURN_TYPE (1 << 4)
3485 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
3486 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
3487 #define TFF_TEMPLATE_HEADER (1 << 7)
3488 #define TFF_TEMPLATE_NAME (1 << 8)
3489 #define TFF_EXPR_IN_PARENS (1 << 9)
3490 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
3492 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
3494 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
3495 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
3496 ? TYPE_TI_TEMPLATE (NODE) \
3501 extern void init_reswords (void);
3503 /* Indexed by TREE_CODE, these tables give C-looking names to
3504 operators represented by TREE_CODES. For example,
3505 opname_tab[(int) MINUS_EXPR] == "-". */
3506 extern const char **opname_tab, **assignop_tab;
3508 typedef struct operator_name_info_t GTY(())
3510 /* The IDENTIFIER_NODE for the operator. */
3512 /* The name of the operator. */
3514 /* The mangled name of the operator. */
3515 const char *mangled_name;
3516 /* The arity of the operator. */
3518 } operator_name_info_t;
3520 /* A mapping from tree codes to operator name information. */
3521 extern GTY(()) operator_name_info_t operator_name_info
3522 [(int) LAST_CPLUS_TREE_CODE];
3523 /* Similar, but for assignment operators. */
3524 extern GTY(()) operator_name_info_t assignment_operator_name_info
3525 [(int) LAST_CPLUS_TREE_CODE];
3528 extern bool check_dtor_name (tree, tree);
3530 extern tree build_vfield_ref (tree, tree);
3531 extern tree build_conditional_expr (tree, tree, tree);
3532 extern tree build_addr_func (tree);
3533 extern tree build_call (tree, tree);
3534 extern bool null_ptr_cst_p (tree);
3535 extern bool sufficient_parms_p (tree);
3536 extern tree type_decays_to (tree);
3537 extern tree build_user_type_conversion (tree, tree, int);
3538 extern tree build_new_function_call (tree, tree);
3539 extern tree build_operator_new_call (tree, tree, tree *, tree *);
3540 extern tree build_new_method_call (tree, tree, tree, tree, int);
3541 extern tree build_special_member_call (tree, tree, tree, tree, int);
3542 extern tree build_new_op (enum tree_code, int, tree, tree, tree, bool *);
3543 extern tree build_op_delete_call (enum tree_code, tree, tree, int, tree);
3544 extern bool can_convert (tree, tree);
3545 extern bool can_convert_arg (tree, tree, tree);
3546 extern bool can_convert_arg_bad (tree, tree, tree);
3547 extern bool enforce_access (tree, tree);
3548 extern tree convert_default_arg (tree, tree, tree, int);
3549 extern tree convert_arg_to_ellipsis (tree);
3550 extern tree build_x_va_arg (tree, tree);
3551 extern tree cxx_type_promotes_to (tree);
3552 extern tree type_passed_as (tree);
3553 extern tree convert_for_arg_passing (tree, tree);
3554 extern tree cp_convert_parm_for_inlining (tree, tree, tree);
3555 extern bool is_properly_derived_from (tree, tree);
3556 extern tree initialize_reference (tree, tree, tree, tree *);
3557 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
3558 extern tree strip_top_quals (tree);
3559 extern tree perform_implicit_conversion (tree, tree);
3560 extern tree perform_direct_initialization_if_possible (tree, tree);
3561 extern tree in_charge_arg_for_name (tree);
3562 extern tree build_cxx_call (tree, tree, tree);
3565 extern tree build_base_path (enum tree_code, tree, tree, int);
3566 extern tree convert_to_base (tree, tree, bool);
3567 extern tree convert_to_base_statically (tree, tree);
3568 extern tree build_vtbl_ref (tree, tree);
3569 extern tree build_vfn_ref (tree, tree);
3570 extern tree get_vtable_decl (tree, int);
3571 extern void resort_type_method_vec
3572 (void *, void *, gt_pointer_operator, void *);
3573 extern void add_method (tree, tree, int);
3574 extern int currently_open_class (tree);
3575 extern tree currently_open_derived_class (tree);
3576 extern tree finish_struct (tree, tree);
3577 extern void finish_struct_1 (tree);
3578 extern int resolves_to_fixed_type_p (tree, int *);
3579 extern void init_class_processing (void);
3580 extern int is_empty_class (tree);
3581 extern void pushclass (tree);
3582 extern void popclass (void);
3583 extern void push_nested_class (tree);
3584 extern void pop_nested_class (void);
3585 extern int current_lang_depth (void);
3586 extern void push_lang_context (tree);
3587 extern void pop_lang_context (void);
3588 extern tree instantiate_type (tree, tree, tsubst_flags_t);
3589 extern void print_class_statistics (void);
3590 extern void cxx_print_statistics (void);
3591 extern void cxx_print_xnode (FILE *, tree, int);
3592 extern void cxx_print_decl (FILE *, tree, int);
3593 extern void cxx_print_type (FILE *, tree, int);
3594 extern void cxx_print_identifier (FILE *, tree, int);
3595 extern void cxx_print_error_function (struct diagnostic_context *,
3597 extern void build_self_reference (void);
3598 extern int same_signature_p (tree, tree);
3599 extern void warn_hidden (tree);
3600 extern void maybe_add_class_template_decl_list (tree, tree, int);
3601 extern tree get_enclosing_class (tree);
3602 extern void unreverse_member_declarations (tree);
3603 extern void invalidate_class_lookup_cache (void);
3604 extern void maybe_note_name_used_in_class (tree, tree);
3605 extern void note_name_declared_in_class (tree, tree);
3606 extern tree get_vtbl_decl_for_binfo (tree);
3607 extern tree get_vtt_name (tree);
3608 extern tree get_primary_binfo (tree);
3609 extern void debug_class (tree);
3610 extern void debug_thunks (tree);
3613 extern tree convert_to_reference (tree, tree, int, int, tree);
3614 extern tree convert_from_reference (tree);
3615 extern tree convert_lvalue (tree, tree);
3616 extern tree force_rvalue (tree);
3617 extern tree ocp_convert (tree, tree, int, int);
3618 extern tree cp_convert (tree, tree);
3619 extern tree convert_to_void (tree, const char */*implicit context*/);
3620 extern tree convert_force (tree, tree, int);
3621 extern tree build_type_conversion (tree, tree);
3622 extern tree build_expr_type_conversion (int, tree, bool);
3623 extern tree type_promotes_to (tree);
3624 extern tree perform_qualification_conversions (tree, tree);
3625 extern void clone_function_decl (tree, int);
3626 extern void adjust_clone_args (tree);
3629 extern void insert_block (tree);
3630 extern void set_block (tree);
3631 extern tree pushdecl (tree);
3632 extern void cxx_init_decl_processing (void);
3633 enum cp_tree_node_structure_enum cp_tree_node_structure
3634 (union lang_tree_node *);
3635 extern bool cxx_mark_addressable (tree);
3636 extern void cxx_push_function_context (struct function *);
3637 extern void cxx_pop_function_context (struct function *);
3638 extern void cxx_mark_function_context (struct function *);
3639 extern void maybe_push_cleanup_level (tree);
3640 extern void finish_scope (void);
3641 extern void delete_block (tree);
3642 extern void add_block_current_level (tree);
3643 extern void push_switch (tree);
3644 extern void pop_switch (void);
3645 extern void pushtag (tree, tree, int);
3646 extern tree make_anon_name (void);
3647 extern void clear_anon_tags (void);
3648 extern int decls_match (tree, tree);
3649 extern tree duplicate_decls (tree, tree);
3650 extern tree pushdecl_top_level (tree);
3651 extern tree pushdecl_top_level_and_finish (tree, tree);
3652 extern tree push_using_decl (tree, tree);
3653 extern tree implicitly_declare (tree);
3654 extern tree declare_local_label (tree);
3655 extern tree define_label (location_t, tree);
3656 extern void check_goto (tree);
3657 extern void define_case_label (void);
3658 extern tree make_typename_type (tree, tree, tsubst_flags_t);
3659 extern tree make_unbound_class_template (tree, tree, tsubst_flags_t);
3660 extern tree check_for_out_of_scope_variable (tree);
3661 extern tree build_library_fn (tree, tree);
3662 extern tree build_library_fn_ptr (const char *, tree);
3663 extern tree build_cp_library_fn_ptr (const char *, tree);
3664 extern tree push_library_fn (tree, tree);
3665 extern tree push_void_library_fn (tree, tree);
3666 extern tree push_throw_library_fn (tree, tree);
3667 extern int init_type_desc (void);
3668 extern tree check_tag_decl (tree);
3669 extern tree shadow_tag (tree);
3670 extern tree groktypename (tree);
3671 extern tree start_decl (tree, tree, int, tree, tree);
3672 extern void start_decl_1 (tree);
3673 extern void cp_finish_decl (tree, tree, tree, int);
3674 extern void finish_decl (tree, tree, tree);
3675 extern void maybe_inject_for_scope_var (tree);
3676 extern tree start_handler_parms (tree, tree);
3677 extern int complete_array_type (tree, tree, int);
3678 extern tree build_ptrmemfunc_type (tree);
3679 extern tree build_ptrmem_type (tree, tree);
3680 /* the grokdeclarator prototype is in decl.h */
3681 extern int copy_fn_p (tree);
3682 extern tree get_scope_of_declarator (tree);
3683 extern void grok_special_member_properties (tree);
3684 extern int grok_ctor_properties (tree, tree);
3685 extern bool grok_op_properties (tree, int, bool);
3686 extern tree xref_tag (enum tag_types, tree, bool, bool);
3687 extern tree xref_tag_from_type (tree, tree, int);
3688 extern void xref_basetypes (tree, tree);
3689 extern tree start_enum (tree);
3690 extern void finish_enum (tree);
3691 extern void build_enumerator (tree, tree, tree);
3692 extern int start_function (tree, tree, tree, int);
3693 extern tree begin_function_body (void);
3694 extern void finish_function_body (tree);
3695 extern tree finish_function (int);
3696 extern tree start_method (tree, tree, tree);
3697 extern tree finish_method (tree);
3698 extern void maybe_register_incomplete_var (tree);
3699 extern void complete_vars (tree);
3700 extern void finish_stmt (void);
3701 extern void print_other_binding_stack (struct cp_binding_level *);
3702 extern void revert_static_member_fn (tree);
3703 extern void fixup_anonymous_aggr (tree);
3704 extern int check_static_variable_definition (tree, tree);
3705 extern tree compute_array_index_type (tree, tree);
3706 extern tree check_default_argument (tree, tree);
3707 extern int vtable_decl_p (tree, void *);
3708 extern int vtype_decl_p (tree, void *);
3709 extern int sigtable_decl_p (tree, void *);
3710 typedef bool (*walk_globals_pred) (tree, void *);
3711 typedef bool (*walk_globals_fn) (tree *, void *);
3712 extern bool walk_globals (walk_globals_pred, walk_globals_fn, void *);
3713 extern bool walk_vtables (walk_globals_pred, walk_globals_fn, void *);
3714 typedef int (*walk_namespaces_fn) (tree, void *);
3715 extern int walk_namespaces (walk_namespaces_fn,
3717 extern int wrapup_globals_for_namespace (tree, void *);
3718 extern tree create_implicit_typedef (tree, tree);
3719 extern tree maybe_push_decl (tree);
3720 extern tree force_target_expr (tree, tree);
3721 extern tree build_target_expr_with_type (tree, tree);
3722 extern int local_variable_p (tree);
3723 extern int nonstatic_local_decl_p (tree);
3724 extern tree declare_global_var (tree, tree);
3725 extern void register_dtor_fn (tree);
3726 extern tmpl_spec_kind current_tmpl_spec_kind (int);
3727 extern tree cp_fname_init (const char *, tree *);
3728 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
3729 extern tree cxx_builtin_type_decls (void);
3730 extern void warn_extern_redeclared_static (tree, tree);
3731 extern tree check_var_type (tree, tree);
3733 extern bool have_extern_spec;
3736 extern bool check_java_method (tree);
3737 extern int grok_method_quals (tree, tree, tree);
3738 extern void grok_x_components (tree);
3739 extern void maybe_retrofit_in_chrg (tree);
3740 extern void maybe_make_one_only (tree);
3741 extern void grokclassfn (tree, tree, enum overload_flags, tree);
3742 extern tree grok_array_decl (tree, tree);
3743 extern tree delete_sanity (tree, tree, bool, int);
3744 extern tree check_classfn (tree, tree, bool);
3745 extern void check_member_template (tree);
3746 extern tree grokfield (tree, tree, tree, tree, tree);
3747 extern tree grokbitfield (tree, tree, tree);
3748 extern tree groktypefield (tree, tree);
3749 extern void cplus_decl_attributes (tree *, tree, int);
3750 extern void defer_fn (tree);
3751 extern void finish_anon_union (tree);
3752 extern tree finish_table (tree, tree, tree, int);
3753 extern tree coerce_new_type (tree);
3754 extern tree coerce_delete_type (tree);
3755 extern void comdat_linkage (tree);
3756 extern void import_export_vtable (tree, tree, int);
3757 extern void import_export_decl (tree);
3758 extern void import_export_tinfo (tree, tree, bool);
3759 extern tree build_cleanup (tree);
3760 extern tree build_offset_ref_call_from_tree (tree, tree);
3761 extern void check_default_args (tree);
3762 extern void mark_used (tree);
3763 extern void finish_static_data_member_decl (tree, tree, tree, int);
3764 extern tree cp_build_parm_decl (tree, tree);
3765 extern tree build_artificial_parm (tree, tree);
3766 extern tree get_guard (tree);
3767 extern tree get_guard_cond (tree);
3768 extern tree set_guard (tree);
3769 extern tree cxx_callgraph_analyze_expr (tree *, int *, tree);
3771 /* XXX Not i18n clean. */
3772 #define cp_deprecated(STR) \
3774 if (warn_deprecated) \
3775 warning ("%s is deprecated, please see the documentation for details", \
3780 extern void init_error (void);
3781 extern const char *type_as_string (tree, int);
3782 extern const char *decl_as_string (tree, int);
3783 extern const char *expr_as_string (tree, int);
3784 extern const char *context_as_string (tree, int);
3785 extern const char *lang_decl_name (tree, int);
3786 extern const char *language_to_string (enum languages);
3787 extern void print_instantiation_context (void);
3790 extern void init_exception_processing (void);
3791 extern tree expand_start_catch_block (tree);
3792 extern void expand_end_catch_block (void);
3793 extern void expand_builtin_throw (void);
3794 extern void expand_eh_spec_block (tree);
3795 extern void expand_exception_blocks (void);
3796 extern tree build_exc_ptr (void);
3797 extern tree build_throw (tree);
3798 extern void mark_all_runtime_matches (void);
3799 extern int nothrow_libfn_p (tree);
3800 extern void check_handlers (tree);
3801 extern void choose_personality_routine (enum languages);
3802 extern tree eh_type_info (tree);
3805 extern rtx cxx_expand_expr (tree, rtx,
3808 extern tree cplus_expand_constant (tree);
3811 extern int is_friend (tree, tree);
3812 extern void make_friend_class (tree, tree, bool);
3813 extern void add_friend (tree, tree, bool);
3814 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, tree, int);
3817 extern tree expand_member_init (tree);
3818 extern void emit_mem_initializers (tree);
3819 extern tree build_aggr_init (tree, tree, int);
3820 extern tree build_init (tree, tree, int);
3821 extern int is_aggr_type (tree, int);
3822 extern tree get_aggr_from_typedef (tree, int);
3823 extern tree get_type_value (tree);
3824 extern tree build_zero_init (tree, tree, bool);
3825 extern tree build_offset_ref (tree, tree, bool);
3826 extern tree build_new (tree, tree, tree, int);
3827 extern tree build_vec_init (tree, tree, tree, int);
3828 extern tree build_x_delete (tree, int, tree);
3829 extern tree build_delete (tree, tree, special_function_kind, int, int);
3830 extern void push_base_cleanups (void);
3831 extern tree build_vbase_delete (tree, tree);
3832 extern tree build_vec_delete (tree, tree, special_function_kind, int);
3833 extern tree create_temporary_var (tree);
3834 extern void initialize_vtbl_ptrs (tree);
3835 extern tree build_java_class_ref (tree);
3840 extern void cxx_dup_lang_specific_decl (tree);
3841 extern tree make_pointer_declarator (tree, tree);
3842 extern tree make_reference_declarator (tree, tree);
3843 extern tree make_call_declarator (tree, tree, tree, tree);
3844 extern void set_quals_and_spec (tree, tree, tree);
3845 extern void print_parse_statistics (void);
3846 extern void do_pending_inlines (void);
3847 extern void yyungetc (int, int);
3848 extern void snarf_method (tree);
3850 extern void see_typename (void);
3851 extern tree unqualified_name_lookup_error (tree);
3852 extern tree unqualified_fn_lookup_error (tree);
3853 extern tree build_lang_decl (enum tree_code, tree, tree);
3854 extern void retrofit_lang_decl (tree);
3855 extern tree copy_decl (tree);
3856 extern tree copy_type (tree);
3857 extern tree cxx_make_type (enum tree_code);
3858 extern tree make_aggr_type (enum tree_code);
3859 extern void yyerror (const char *);
3860 extern void yyhook (int);
3861 extern int cp_type_qual_from_rid (tree);
3862 extern bool cxx_init (void);
3863 extern void cxx_finish (void);
3866 extern void init_method (void);
3867 extern void set_mangled_name_for_decl (tree);
3868 extern tree make_thunk (tree, bool, tree, tree);
3869 extern void finish_thunk (tree);
3870 extern void use_thunk (tree, bool);
3871 extern void synthesize_method (tree);
3872 extern tree implicitly_declare_fn (special_function_kind, tree, bool);
3873 extern tree skip_artificial_parms_for (tree, tree);
3876 extern void optimize_function (tree);
3877 extern bool calls_setjmp_p (tree);
3878 extern bool maybe_clone_body (tree);
3881 extern void check_template_shadow (tree);
3882 extern tree get_innermost_template_args (tree, int);
3883 extern void maybe_begin_member_template_processing (tree);
3884 extern void maybe_end_member_template_processing (void);
3885 extern tree finish_member_template_decl (tree);
3886 extern void begin_template_parm_list (void);
3887 extern void begin_specialization (void);
3888 extern void reset_specialization (void);
3889 extern void end_specialization (void);
3890 extern void begin_explicit_instantiation (void);
3891 extern void end_explicit_instantiation (void);
3892 extern tree check_explicit_specialization (tree, tree, int, int);
3893 extern tree process_template_parm (tree, tree);
3894 extern tree end_template_parm_list (tree);
3895 extern void end_template_decl (void);
3896 extern tree current_template_args (void);
3897 extern tree push_template_decl (tree);
3898 extern tree push_template_decl_real (tree, int);
3899 extern void redeclare_class_template (tree, tree);
3900 extern tree lookup_template_class (tree, tree, tree, tree, int, tsubst_flags_t);
3901 extern tree lookup_template_function (tree, tree);
3902 extern int uses_template_parms (tree);
3903 extern int uses_template_parms_level (tree, int);
3904 extern tree instantiate_class_template (tree);
3905 extern tree instantiate_template (tree, tree, tsubst_flags_t);
3906 extern int fn_type_unification (tree, tree, tree, tree, tree, unification_kind_t, int);
3907 extern tree tinst_for_decl (void);
3908 extern void mark_decl_instantiated (tree, int);
3909 extern int more_specialized (tree, tree, int, int);
3910 extern void mark_class_instantiated (tree, int);
3911 extern void do_decl_instantiation (tree, tree);
3912 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
3913 extern tree instantiate_decl (tree, int);
3914 extern int push_tinst_level (tree);
3915 extern void pop_tinst_level (void);
3916 extern int more_specialized_class (tree, tree, tree);
3917 extern int is_member_template (tree);
3918 extern int comp_template_parms (tree, tree);
3919 extern int template_class_depth (tree);
3920 extern int is_specialization_of (tree, tree);
3921 extern bool is_specialization_of_friend (tree, tree);
3922 extern int comp_template_args (tree, tree);
3923 extern void maybe_process_partial_specialization (tree);
3924 extern void maybe_check_template_type (tree);
3925 extern tree most_specialized_instantiation (tree);
3926 extern void print_candidates (tree);
3927 extern int instantiate_pending_templates (void);
3928 extern tree tsubst_default_argument (tree, tree, tree);
3929 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t, tree, bool);
3930 extern tree most_general_template (tree);
3931 extern tree get_mostly_instantiated_function_type (tree);
3932 extern int problematic_instantiation_changed (void);
3933 extern void record_last_problematic_instantiation (void);
3934 extern tree current_instantiation (void);
3935 extern tree maybe_get_template_decl_from_type_decl (tree);
3936 extern int processing_template_parmlist;
3937 extern bool dependent_type_p (tree);
3938 extern bool any_dependent_template_arguments_p (tree);
3939 extern bool dependent_template_p (tree);
3940 extern bool dependent_template_id_p (tree, tree);
3941 extern bool type_dependent_expression_p (tree);
3942 extern bool any_type_dependent_arguments_p (tree);
3943 extern bool value_dependent_expression_p (tree);
3944 extern tree resolve_typename_type (tree, bool);
3945 extern tree template_for_substitution (tree);
3946 extern tree build_non_dependent_expr (tree);
3947 extern tree build_non_dependent_args (tree);
3948 extern bool reregister_specialization (tree, tree, tree);
3949 extern tree fold_non_dependent_expr (tree);
3952 extern void repo_template_used (tree);
3953 extern void repo_template_instantiated (tree, bool);
3954 extern void init_repo (const char *);
3955 extern void finish_repo (void);
3958 /* A varray of all tinfo decls that haven't been emitted yet. */
3959 extern GTY(()) varray_type unemitted_tinfo_decls;
3961 extern void init_rtti_processing (void);
3962 extern tree build_typeid (tree);
3963 extern tree get_tinfo_decl (tree);
3964 extern tree get_typeid (tree);
3965 extern tree build_dynamic_cast (tree, tree);
3966 extern void emit_support_tinfos (void);
3967 extern bool emit_tinfo_decl (tree);
3970 extern bool accessible_base_p (tree, tree);
3971 extern tree lookup_base (tree, tree, base_access, base_kind *);
3972 extern int types_overlap_p (tree, tree);
3973 extern tree get_dynamic_cast_base_type (tree, tree);
3974 extern int accessible_p (tree, tree);
3975 extern tree lookup_field_1 (tree, tree, bool);
3976 extern tree lookup_field (tree, tree, int, bool);
3977 extern int lookup_fnfields_1 (tree, tree);
3978 extern tree lookup_fnfields (tree, tree, int);
3979 extern tree lookup_member (tree, tree, int, bool);
3980 extern int look_for_overrides (tree, tree);
3981 extern void get_pure_virtuals (tree);
3982 extern void maybe_suppress_debug_info (tree);
3983 extern void note_debug_info_needed (tree);
3984 extern void push_class_decls (tree);
3985 extern void pop_class_decls (void);
3986 extern void unuse_fields (tree);
3987 extern void print_search_statistics (void);
3988 extern void init_search_processing (void);
3989 extern void reinit_search_statistics (void);
3990 extern tree current_scope (void);
3991 extern int at_function_scope_p (void);
3992 extern bool at_class_scope_p (void);
3993 extern bool at_namespace_scope_p (void);
3994 extern tree context_for_name_lookup (tree);
3995 extern tree lookup_conversions (tree);
3996 extern tree binfo_for_vtable (tree);
3997 extern tree binfo_from_vbase (tree);
3998 extern tree look_for_overrides_here (tree, tree);
3999 extern int check_final_overrider (tree, tree);
4000 extern tree dfs_walk (tree,
4001 tree (*) (tree, void *),
4002 tree (*) (tree, int, void *),
4004 extern tree dfs_walk_real (tree,
4005 tree (*) (tree, void *),
4006 tree (*) (tree, void *),
4007 tree (*) (tree, int, void *),
4009 extern tree dfs_unmark (tree, void *);
4010 extern tree markedp (tree, int, void *);
4011 extern tree unmarkedp (tree, int, void *);
4012 extern tree binfo_via_virtual (tree, tree);
4013 extern tree build_baselink (tree, tree, tree, tree);
4014 extern tree adjust_result_of_qualified_name_lookup
4016 extern tree copied_binfo (tree, tree);
4017 extern tree original_binfo (tree, tree);
4018 extern int shared_member_p (tree);
4020 /* in semantics.c */
4021 extern void push_deferring_access_checks (deferring_kind);
4022 extern void resume_deferring_access_checks (void);
4023 extern void stop_deferring_access_checks (void);
4024 extern void pop_deferring_access_checks (void);
4025 extern tree get_deferred_access_checks (void);
4026 extern void pop_to_parent_deferring_access_checks (void);
4027 extern void perform_deferred_access_checks (void);
4028 extern void perform_or_defer_access_check (tree, tree);
4029 extern void init_cp_semantics (void);
4030 extern tree finish_expr_stmt (tree);
4031 extern tree begin_if_stmt (void);
4032 extern void finish_if_stmt_cond (tree, tree);
4033 extern tree finish_then_clause (tree);
4034 extern void begin_else_clause (void);
4035 extern void finish_else_clause (tree);
4036 extern void finish_if_stmt (void);
4037 extern tree begin_while_stmt (void);
4038 extern void finish_while_stmt_cond (tree, tree);
4039 extern void finish_while_stmt (tree);
4040 extern tree begin_do_stmt (void);
4041 extern void finish_do_body (tree);
4042 extern void finish_do_stmt (tree, tree);
4043 extern tree finish_return_stmt (tree);
4044 extern tree begin_for_stmt (void);
4045 extern void finish_for_init_stmt (tree);
4046 extern void finish_for_cond (tree, tree);
4047 extern void finish_for_expr (tree, tree);
4048 extern void finish_for_stmt (tree);
4049 extern tree finish_break_stmt (void);
4050 extern tree finish_continue_stmt (void);
4051 extern tree begin_switch_stmt (void);
4052 extern void finish_switch_cond (tree, tree);
4053 extern void finish_switch_stmt (tree);
4054 extern tree finish_case_label (tree, tree);
4055 extern tree finish_goto_stmt (tree);
4056 extern tree begin_try_block (void);
4057 extern void finish_try_block (tree);
4058 extern tree begin_eh_spec_block (void);
4059 extern void finish_eh_spec_block (tree, tree);
4060 extern void finish_handler_sequence (tree);
4061 extern tree begin_function_try_block (void);
4062 extern void finish_function_try_block (tree);
4063 extern void finish_function_handler_sequence (tree);
4064 extern void finish_cleanup_try_block (tree);
4065 extern tree begin_handler (void);
4066 extern void finish_handler_parms (tree, tree);
4067 extern void begin_catch_block (tree);
4068 extern void finish_handler (tree);
4069 extern void finish_cleanup (tree, tree);
4070 extern tree begin_compound_stmt (bool);
4071 extern tree finish_compound_stmt (tree);
4072 extern tree finish_asm_stmt (tree, tree, tree, tree, tree);
4073 extern tree finish_label_stmt (tree);
4074 extern void finish_label_decl (tree);
4075 extern void finish_subobject (tree);
4076 extern tree finish_parenthesized_expr (tree);
4077 extern tree finish_non_static_data_member (tree, tree, tree);
4078 extern tree begin_stmt_expr (void);
4079 extern tree finish_stmt_expr_expr (tree);
4080 extern tree finish_stmt_expr (tree, bool);
4081 extern tree perform_koenig_lookup (tree, tree);
4082 extern tree finish_call_expr (tree, tree, bool, bool);
4083 extern tree finish_increment_expr (tree, enum tree_code);
4084 extern tree finish_this_expr (void);
4085 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
4086 extern tree finish_unary_op_expr (enum tree_code, tree);
4087 extern tree finish_compound_literal (tree, tree);
4088 extern tree finish_fname (tree);
4089 extern int begin_function_definition (tree, tree, tree);
4090 extern void finish_translation_unit (void);
4091 extern tree finish_template_type_parm (tree, tree);
4092 extern tree finish_template_template_parm (tree, tree);
4093 extern tree finish_parmlist (tree, int);
4094 extern tree begin_class_definition (tree);
4095 extern void finish_default_args (void);
4096 extern tree finish_member_class_template (tree);
4097 extern void finish_template_decl (tree);
4098 extern tree finish_template_type (tree, tree, int);
4099 extern tree finish_base_specifier (tree, tree, bool);
4100 extern void finish_member_declaration (tree);
4101 extern void check_multiple_declarators (void);
4102 extern void qualified_name_lookup_error (tree, tree);
4103 extern tree finish_id_expression (tree, tree, tree,
4104 cp_id_kind *, tree *,
4107 extern tree finish_typeof (tree);
4108 extern void finish_decl_cleanup (tree, tree);
4109 extern void finish_eh_cleanup (tree);
4110 extern void expand_body (tree);
4111 extern void cxx_expand_function_start (void);
4112 extern tree nullify_returns_r (tree *, int *, void *);
4113 extern void do_pushlevel (scope_kind);
4114 extern tree do_poplevel (void);
4115 extern void finish_mem_initializers (tree);
4116 extern void setup_vtbl_ptr (tree, tree);
4117 extern void clear_out_block (void);
4118 extern tree check_template_template_default_arg (tree);
4119 extern void expand_or_defer_fn (tree);
4120 extern void check_accessibility_of_qualified_id (tree, tree, tree);
4121 extern tree finish_qualified_id_expr (tree, tree, bool, bool);
4122 extern void simplify_aggr_init_expr (tree *);
4125 extern void lang_check_failed (const char *, int,
4127 extern tree stabilize_expr (tree, tree *);
4128 extern void stabilize_call (tree, tree *);
4129 extern bool stabilize_init (tree, tree *);
4130 extern tree cxx_unsave_expr_now (tree);
4131 extern tree cxx_maybe_build_cleanup (tree);
4132 extern void init_tree (void);
4133 extern int pod_type_p (tree);
4134 extern int zero_init_p (tree);
4135 extern tree canonical_type_variant (tree);
4136 extern tree copy_base_binfos (tree, tree, tree);
4137 extern int member_p (tree);
4138 extern cp_lvalue_kind real_lvalue_p (tree);
4139 extern tree build_min (enum tree_code, tree, ...);
4140 extern tree build_min_nt (enum tree_code, ...);
4141 extern tree build_min_non_dep (enum tree_code, tree, ...);
4142 extern tree build_cplus_new (tree, tree);
4143 extern tree get_target_expr (tree);
4144 extern tree build_cplus_staticfn_type (tree, tree, tree);
4145 extern tree build_cplus_array_type (tree, tree);
4146 extern tree hash_tree_cons (tree, tree, tree);
4147 extern tree hash_tree_chain (tree, tree);
4148 extern tree hash_chainon (tree, tree);
4149 extern tree make_binfo (tree, tree, tree, tree);
4150 extern int count_functions (tree);
4151 extern int is_overloaded_fn (tree);
4152 extern tree get_first_fn (tree);
4153 extern int bound_pmf_p (tree);
4154 extern tree ovl_cons (tree, tree);
4155 extern tree build_overload (tree, tree);
4156 extern tree function_arg_chain (tree);
4157 extern int promotes_to_aggr_type (tree, enum tree_code);
4158 extern const char *cxx_printable_name (tree, int);
4159 extern tree build_exception_variant (tree, tree);
4160 extern tree bind_template_template_parm (tree, tree);
4161 extern tree array_type_nelts_total (tree);
4162 extern tree array_type_nelts_top (tree);
4163 extern tree break_out_target_exprs (tree);
4164 extern tree get_type_decl (tree);
4165 extern tree vec_binfo_member (tree, tree);
4166 extern tree decl_namespace_context (tree);
4167 extern tree lvalue_type (tree);
4168 extern tree error_type (tree);
4169 extern tree build_zc_wrapper (struct z_candidate *);
4170 extern int varargs_function_p (tree);
4171 extern int really_overloaded_fn (tree);
4172 extern bool cp_tree_equal (tree, tree);
4173 extern tree no_linkage_check (tree);
4174 extern void debug_binfo (tree);
4175 extern tree build_dummy_object (tree);
4176 extern tree maybe_dummy_object (tree, tree *);
4177 extern int is_dummy_object (tree);
4178 extern const struct attribute_spec cxx_attribute_table[];
4179 extern tree make_ptrmem_cst (tree, tree);
4180 extern tree cp_build_type_attribute_variant (tree, tree);
4181 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
4182 #define cp_build_qualified_type(TYPE, QUALS) \
4183 cp_build_qualified_type_real ((TYPE), (QUALS), tf_error | tf_warning)
4184 extern tree build_shared_int_cst (int);
4185 extern special_function_kind special_function_p (tree);
4186 extern bool name_p (tree);
4187 extern int count_trees (tree);
4188 extern int char_type_p (tree);
4189 extern void verify_stmt_tree (tree);
4190 extern tree find_tree (tree, tree);
4191 extern linkage_kind decl_linkage (tree);
4192 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
4194 extern int cp_cannot_inline_tree_fn (tree*);
4195 extern tree cp_add_pending_fn_decls (void*,tree);
4196 extern int cp_is_overload_p (tree);
4197 extern int cp_auto_var_in_fn_p (tree,tree);
4198 extern tree cp_copy_res_decl_for_inlining (tree, tree, tree, void*,
4202 extern int string_conv_p (tree, tree, int);
4203 extern tree cp_truthvalue_conversion (tree);
4204 extern tree condition_conversion (tree);
4205 extern tree target_type (tree);
4206 extern tree require_complete_type (tree);
4207 extern tree complete_type (tree);
4208 extern tree complete_type_or_diagnostic (tree, tree, int);
4209 #define complete_type_or_else(T,V) (complete_type_or_diagnostic ((T), (V), 0))
4210 extern int type_unknown_p (tree);
4211 extern tree commonparms (tree, tree);
4212 extern tree original_type (tree);
4213 extern bool comp_except_specs (tree, tree, bool);
4214 extern bool comptypes (tree, tree, int);
4215 extern bool compparms (tree, tree);
4216 extern int comp_cv_qualification (tree, tree);
4217 extern int comp_cv_qual_signature (tree, tree);
4218 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code);
4219 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
4220 #define cxx_sizeof_nowarn(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, false)
4221 extern tree inline_conversion (tree);
4222 extern tree decay_conversion (tree);
4223 extern tree perform_integral_promotions (tree);
4224 extern tree build_class_member_access_expr (tree, tree, tree, bool);
4225 extern tree finish_class_member_access_expr (tree, tree);
4226 extern tree build_x_indirect_ref (tree, const char *);
4227 extern tree build_indirect_ref (tree, const char *);
4228 extern tree build_array_ref (tree, tree);
4229 extern tree get_member_function_from_ptrfunc (tree *, tree);
4230 extern tree convert_arguments (tree, tree, tree, int);
4231 extern tree build_x_binary_op (enum tree_code, tree, tree,
4233 extern tree build_x_unary_op (enum tree_code, tree);
4234 extern tree unary_complex_lvalue (enum tree_code, tree);
4235 extern tree build_x_conditional_expr (tree, tree, tree);
4236 extern tree build_x_compound_expr_from_list (tree, const char *);
4237 extern tree build_x_compound_expr (tree, tree);
4238 extern tree build_compound_expr (tree, tree);
4239 extern tree build_static_cast (tree, tree);
4240 extern tree build_reinterpret_cast (tree, tree);
4241 extern tree build_const_cast (tree, tree);
4242 extern tree build_c_cast (tree, tree);
4243 extern tree build_x_modify_expr (tree, enum tree_code, tree);
4244 extern tree build_modify_expr (tree, enum tree_code, tree);
4245 extern tree dubious_conversion_warnings (tree, tree, const char *, tree, int);
4246 extern tree convert_for_initialization (tree, tree, tree, int, const char *, tree, int);
4247 extern int comp_ptr_ttypes (tree, tree);
4248 extern int ptr_reasonably_similar (tree, tree);
4249 extern tree build_ptrmemfunc (tree, tree, int);
4250 extern int cp_type_quals (tree);
4251 extern bool cp_has_mutable_p (tree);
4252 extern bool at_least_as_qualified_p (tree, tree);
4253 extern bool more_qualified_p (tree, tree);
4254 extern tree build_ptrmemfunc1 (tree, tree, tree);
4255 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
4256 extern tree pfn_from_ptrmemfunc (tree);
4257 extern tree type_after_usual_arithmetic_conversions (tree, tree);
4258 extern tree composite_pointer_type (tree, tree, tree, tree,
4260 extern tree merge_types (tree, tree);
4261 extern tree check_return_expr (tree);
4262 #define cp_build_binary_op(code, arg1, arg2) \
4263 build_binary_op(code, arg1, arg2, 1)
4264 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
4265 #define cxx_alignof(T) cxx_sizeof_or_alignof_type (T, ALIGNOF_EXPR, true)
4266 extern tree build_ptrmemfunc_access_expr (tree, tree);
4267 extern tree build_address (tree);
4268 extern tree build_nop (tree, tree);
4269 extern tree non_reference (tree);
4270 extern tree lookup_anon_field (tree, tree);
4271 extern bool invalid_nonstatic_memfn_p (tree);
4274 extern void require_complete_eh_spec_types (tree, tree);
4275 extern void cxx_incomplete_type_diagnostic (tree, tree, int);
4276 #undef cxx_incomplete_type_error
4277 extern void cxx_incomplete_type_error (tree, tree);
4278 #define cxx_incomplete_type_error(V,T) \
4279 (cxx_incomplete_type_diagnostic ((V), (T), 0))
4280 extern tree error_not_base_type (tree, tree);
4281 extern tree binfo_or_else (tree, tree);
4282 extern void readonly_error (tree, const char *, int);
4283 extern int abstract_virtuals_error (tree, tree);
4285 extern tree store_init_value (tree, tree);
4286 extern tree digest_init (tree, tree, tree *);
4287 extern tree build_scoped_ref (tree, tree, tree *);
4288 extern tree build_x_arrow (tree);
4289 extern tree build_m_component_ref (tree, tree);
4290 extern tree build_functional_cast (tree, tree);
4291 extern tree add_exception_specifier (tree, tree, int);
4292 extern tree merge_exception_specifiers (tree, tree);
4295 extern void init_mangle (void);
4296 extern void mangle_decl (tree);
4297 extern const char *mangle_type_string (tree);
4298 extern tree mangle_type (tree);
4299 extern tree mangle_typeinfo_for_type (tree);
4300 extern tree mangle_typeinfo_string_for_type (tree);
4301 extern tree mangle_vtbl_for_type (tree);
4302 extern tree mangle_vtt_for_type (tree);
4303 extern tree mangle_ctor_vtbl_for_type (tree, tree);
4304 extern tree mangle_thunk (tree, int, tree, tree);
4305 extern tree mangle_conv_op_name_for_type (tree);
4306 extern tree mangle_guard_variable (tree);
4307 extern tree mangle_ref_init_variable (tree);
4310 extern bool cp_dump_tree (void *, tree);
4314 /* In order for the format checking to accept the C++ frontend
4315 diagnostic framework extensions, you must include this file before
4316 toplev.h, not after. */
4317 #define GCC_DIAG_STYLE __gcc_cxxdiag__
4318 #if GCC_VERSION >= 3004
4319 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
4321 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
4324 extern void cp_error_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4325 extern void cp_warning_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4326 extern void cp_pedwarn_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4328 #endif /* ! GCC_CP_TREE_H */