1 /* Definitions for C++ parsing and type checking.
2 Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4 Contributed by Michael Tiemann (tiemann@cygnus.com)
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
29 #include "splay-tree.h"
33 #include "name-lookup.h"
34 struct diagnostic_context;
36 /* Usage of TREE_LANG_FLAG_?:
37 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
38 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
39 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
40 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR).
41 TREE_INDIRECT_USING (in NAMESPACE_DECL).
42 CLEANUP_P (in TRY_BLOCK)
43 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR)
44 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF)
45 PAREN_STRING_LITERAL (in STRING_CST)
46 DECL_PRETTY_FUNCTION_P (in VAR_DECL)
47 KOENIG_LOOKUP_P (in CALL_EXPR)
48 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST).
49 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT)
50 STMT_EXPR_NO_SCOPE (in STMT_EXPR)
51 BIND_EXPR_TRY_BLOCK (in BIND_EXPR)
52 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE)
53 REFERENCE_REF_P (in INDIRECT_EXPR)
54 1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
55 TI_PENDING_TEMPLATE_FLAG.
56 TEMPLATE_PARMS_FOR_INLINE.
57 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
58 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
59 ICS_ELLIPSIS_FLAG (in _CONV)
60 DECL_INITIALIZED_P (in VAR_DECL)
61 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
62 STMT_IS_FULL_EXPR_P (in _STMT)
63 2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE)
64 ICS_THIS_FLAG (in _CONV)
65 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
66 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
67 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
68 ICS_BAD_FLAG (in _CONV)
69 FN_TRY_BLOCK_P (in TRY_BLOCK)
70 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE)
71 BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
72 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
74 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE)
75 DECL_TINFO_P (in VAR_DECL)
76 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE)
77 DECL_VTABLE_OR_VTT_P (in VAR_DECL)
78 6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE)
79 DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL)
80 TYPE_MARKED_P (in _TYPE)
82 Usage of TYPE_LANG_FLAG_?:
84 1: TYPE_HAS_CONSTRUCTOR.
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 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL)
99 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
100 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL)
102 4: DECL_C_BIT_FIELD (in a FIELD_DECL)
103 DECL_VAR_MARKED_P (in a VAR_DECL)
104 DECL_SELF_REFERENCE_P (in a TYPE_DECL)
105 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL)
106 5: DECL_INTERFACE_KNOWN.
107 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
108 DECL_FIELD_IS_BASE (in FIELD_DECL)
109 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
110 DECL_THUNK_P (in a member FUNCTION_DECL)
112 Usage of language-independent fields in a language-dependent manner:
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 #define VAR_OR_FUNCTION_DECL_CHECK(NODE) \
161 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL)
163 #define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \
164 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL)
166 #define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \
167 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL)
169 #define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \
170 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM)
172 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
173 #define NON_THUNK_FUNCTION_CHECK(NODE) __extension__ \
174 ({ const tree __t = (NODE); \
175 if (TREE_CODE (__t) != FUNCTION_DECL && \
176 TREE_CODE (__t) != TEMPLATE_DECL && __t->decl.lang_specific \
177 && __t->decl.lang_specific->decl_flags.thunk_p) \
178 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
180 #define THUNK_FUNCTION_CHECK(NODE) __extension__ \
181 ({ const tree __t = (NODE); \
182 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl.lang_specific \
183 || !__t->decl.lang_specific->decl_flags.thunk_p) \
184 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \
187 #define NON_THUNK_FUNCTION_CHECK(NODE) (NODE)
188 #define THUNK_FUNCTION_CHECK(NODE) (NODE)
191 /* Language-dependent contents of an identifier. */
193 struct lang_identifier GTY(())
195 struct c_common_identifier c_common;
196 cxx_binding *namespace_bindings;
197 cxx_binding *bindings;
198 tree class_template_info;
202 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
203 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
204 and C_RID_YYCODE is the token number wanted by Yacc. */
206 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID)
208 #define LANG_IDENTIFIER_CAST(NODE) \
209 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE))
211 struct template_parm_index_s GTY(())
213 struct tree_common common;
216 HOST_WIDE_INT orig_level;
219 typedef struct template_parm_index_s template_parm_index;
221 struct tinst_level_s GTY(())
223 struct tree_common common;
226 int in_system_header_p;
228 typedef struct tinst_level_s * tinst_level_t;
230 struct ptrmem_cst GTY(())
232 struct tree_common common;
233 /* This isn't used, but the middle-end expects all constants to have
238 typedef struct ptrmem_cst * ptrmem_cst_t;
240 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
241 namespace_binding ((NODE), global_namespace)
242 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
243 set_namespace_binding ((NODE), global_namespace, (VAL))
244 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
245 namespace_binding ((NODE), current_namespace)
246 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
247 set_namespace_binding ((NODE), current_namespace, (VAL))
249 #define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE))
251 #define BIND_EXPR_TRY_BLOCK(NODE) \
252 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE))
254 /* Used to mark the block around the member initializers and cleanups. */
255 #define BIND_EXPR_BODY_BLOCK(NODE) \
256 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE))
258 #define STATEMENT_LIST_NO_SCOPE(NODE) \
259 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE))
260 #define STATEMENT_LIST_TRY_BLOCK(NODE) \
261 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE))
263 /* Nonzero if this statement should be considered a full-expression,
264 i.e., if temporaries created during this statement should have
265 their destructors run at the end of this statement. */
266 #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
268 /* Marks the result of a statement expression. */
269 #define EXPR_STMT_STMT_EXPR_RESULT(NODE) \
270 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE))
272 /* Nonzero if this statement-expression does not have an associated scope. */
273 #define STMT_EXPR_NO_SCOPE(NODE) \
274 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
276 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual
278 #define same_type_p(TYPE1, TYPE2) \
279 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
281 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
282 top-level qualifiers. */
283 #define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
284 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
286 /* Nonzero if we are presently building a statement tree, rather
287 than expanding each statement as we encounter it. */
288 #define building_stmt_tree() (cur_stmt_list != NULL_TREE)
290 /* Returns nonzero iff NODE is a declaration for the global function
292 #define DECL_MAIN_P(NODE) \
293 (DECL_EXTERN_C_FUNCTION_P (NODE) \
294 && DECL_NAME (NODE) != NULL_TREE \
295 && MAIN_NAME_P (DECL_NAME (NODE)))
297 /* The overloaded FUNCTION_DECL. */
298 #define OVL_FUNCTION(NODE) \
299 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function)
300 #define OVL_CHAIN(NODE) TREE_CHAIN (NODE)
301 /* Polymorphic access to FUNCTION and CHAIN. */
302 #define OVL_CURRENT(NODE) \
303 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE))
304 #define OVL_NEXT(NODE) \
305 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE)
306 /* If set, this was imported in a using declaration.
307 This is not to confuse with being used somewhere, which
308 is not important for this node. */
309 #define OVL_USED(NODE) TREE_USED (NODE)
311 struct tree_overload GTY(())
313 struct tree_common common;
317 /* Returns true iff NODE is a BASELINK. */
318 #define BASELINK_P(NODE) \
319 (TREE_CODE (NODE) == BASELINK)
320 /* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */
321 #define BASELINK_BINFO(NODE) \
322 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo)
323 /* The functions referred to by the BASELINK; either a FUNCTION_DECL,
324 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */
325 #define BASELINK_FUNCTIONS(NODE) \
326 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions)
327 /* The BINFO in which the search for the functions indicated by this baselink
328 began. This base is used to determine the accessibility of functions
329 selected by overload resolution. */
330 #define BASELINK_ACCESS_BINFO(NODE) \
331 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo)
332 /* For a type-conversion operator, the BASELINK_OPTYPE indicates the type
333 to which the conversion should occur. This value is important if
334 the BASELINK_FUNCTIONS include a template conversion operator --
335 the BASELINK_OPTYPE can be used to determine what type the user
337 #define BASELINK_OPTYPE(NODE) \
338 (TREE_CHAIN (BASELINK_CHECK (NODE)))
340 struct tree_baselink GTY(())
342 struct tree_common common;
348 /* The different kinds of ids that we encounter. */
350 typedef enum cp_id_kind
352 /* Not an id at all. */
354 /* An unqualified-id that is not a template-id. */
355 CP_ID_KIND_UNQUALIFIED,
356 /* An unqualified-id that is a dependent name. */
357 CP_ID_KIND_UNQUALIFIED_DEPENDENT,
358 /* An unqualified template-id. */
359 CP_ID_KIND_TEMPLATE_ID,
360 /* A qualified-id. */
364 /* Macros for access to language-specific slots in an identifier. */
366 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
367 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings)
368 #define IDENTIFIER_TEMPLATE(NODE) \
369 (LANG_IDENTIFIER_CAST (NODE)->class_template_info)
371 /* The IDENTIFIER_BINDING is the innermost cxx_binding for the
372 identifier. It's PREVIOUS is the next outermost binding. Each
373 VALUE field is a DECL for the associated declaration. Thus,
374 name lookup consists simply of pulling off the node at the front
375 of the list (modulo oddities for looking up the names of types,
376 and such.) You can use SCOPE field to determine the scope
377 that bound the name. */
378 #define IDENTIFIER_BINDING(NODE) \
379 (LANG_IDENTIFIER_CAST (NODE)->bindings)
381 /* TREE_TYPE only indicates on local and class scope the current
382 type. For namespace scope, the presence of a type in any namespace
383 is indicated with global_type_node, and the real type behind must
384 be found through lookup. */
385 #define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE)
386 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE)
387 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE))
388 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
390 #define IDENTIFIER_LABEL_VALUE(NODE) \
391 (LANG_IDENTIFIER_CAST (NODE)->label_value)
392 #define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \
393 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE)
395 /* Nonzero if this identifier is used as a virtual function name somewhere
396 (optimizes searches). */
397 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE)
399 /* Nonzero if this identifier is the prefix for a mangled C++ operator
401 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE)
403 /* Nonzero if this identifier is the name of a type-conversion
405 #define IDENTIFIER_TYPENAME_P(NODE) \
406 TREE_LANG_FLAG_4 (NODE)
408 /* Nonzero if this identifier is the name of a constructor or
410 #define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \
411 TREE_LANG_FLAG_3 (NODE)
413 /* True iff NAME is the DECL_ASSEMBLER_NAME for an entity with vague
414 linkage which the prelinker has assigned to this translation
416 #define IDENTIFIER_REPO_CHOSEN(NAME) \
417 (TREE_LANG_FLAG_6 (NAME))
419 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
420 #define C_TYPE_FIELDS_READONLY(TYPE) \
421 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly)
423 /* The tokens stored in the default argument. */
425 #define DEFARG_TOKENS(NODE) \
426 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
428 struct tree_default_arg GTY (())
430 struct tree_common common;
431 struct cp_token_cache *tokens;
434 enum cp_tree_node_structure_enum {
448 /* The resulting tree type. */
449 union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"),
450 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
452 union tree_node GTY ((tag ("TS_CP_GENERIC"),
453 desc ("tree_node_structure (&%h)"))) generic;
454 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi;
455 struct tinst_level_s GTY ((tag ("TS_CP_TINST_LEVEL"))) tinst_level;
456 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem;
457 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload;
458 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink;
459 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg;
460 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier;
467 CPTI_JAVA_SHORT_TYPE,
470 CPTI_JAVA_FLOAT_TYPE,
471 CPTI_JAVA_DOUBLE_TYPE,
473 CPTI_JAVA_BOOLEAN_TYPE,
476 CPTI_VTABLE_ENTRY_TYPE,
478 CPTI_VTABLE_INDEX_TYPE,
488 CPTI_CLASS_DESC_TYPE,
489 CPTI_SI_CLASS_DESC_TYPE,
490 CPTI_VMI_CLASS_DESC_TYPE,
500 CPTI_CONST_TYPE_INFO_TYPE,
501 CPTI_TYPE_INFO_PTR_TYPE,
503 CPTI_GLOBAL_DELETE_FNDECL,
506 CPTI_CTOR_IDENTIFIER,
507 CPTI_COMPLETE_CTOR_IDENTIFIER,
508 CPTI_BASE_CTOR_IDENTIFIER,
509 CPTI_DTOR_IDENTIFIER,
510 CPTI_COMPLETE_DTOR_IDENTIFIER,
511 CPTI_BASE_DTOR_IDENTIFIER,
512 CPTI_DELETING_DTOR_IDENTIFIER,
513 CPTI_DELTA_IDENTIFIER,
514 CPTI_IN_CHARGE_IDENTIFIER,
515 CPTI_VTT_PARM_IDENTIFIER,
516 CPTI_NELTS_IDENTIFIER,
517 CPTI_THIS_IDENTIFIER,
519 CPTI_VPTR_IDENTIFIER,
523 CPTI_LANG_NAME_CPLUSPLUS,
526 CPTI_EMPTY_EXCEPT_SPEC,
529 CPTI_CALL_UNEXPECTED,
539 extern GTY(()) tree cp_global_trees[CPTI_MAX];
541 #define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE]
542 #define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE]
543 #define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE]
544 #define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE]
545 #define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE]
546 #define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE]
547 #define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE]
548 #define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE]
550 #define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL]
551 #define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
552 /* The type used to represent an offset by which to adjust the `this'
553 pointer in pointer-to-member types. */
554 #define delta_type_node cp_global_trees[CPTI_DELTA_TYPE]
555 /* The type used to represent an index into the vtable. */
556 #define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE]
558 #define ti_desc_type_node cp_global_trees[CPTI_TI_DESC_TYPE]
559 #define bltn_desc_type_node cp_global_trees[CPTI_BLTN_DESC_TYPE]
560 #define ptr_desc_type_node cp_global_trees[CPTI_PTR_DESC_TYPE]
561 #define ary_desc_type_node cp_global_trees[CPTI_ARY_DESC_TYPE]
562 #define func_desc_type_node cp_global_trees[CPTI_FUNC_DESC_TYPE]
563 #define enum_desc_type_node cp_global_trees[CPTI_ENUM_DESC_TYPE]
564 #define class_desc_type_node cp_global_trees[CPTI_CLASS_DESC_TYPE]
565 #define si_class_desc_type_node cp_global_trees[CPTI_SI_CLASS_DESC_TYPE]
566 #define vmi_class_desc_type_node cp_global_trees[CPTI_VMI_CLASS_DESC_TYPE]
567 #define ptm_desc_type_node cp_global_trees[CPTI_PTM_DESC_TYPE]
568 #define base_desc_type_node cp_global_trees[CPTI_BASE_DESC_TYPE]
570 #define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
571 #define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
572 #define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
573 #define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
574 #define std_node cp_global_trees[CPTI_STD]
575 #define abi_node cp_global_trees[CPTI_ABI]
576 #define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
577 #define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE]
578 #define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
579 #define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
580 #define current_aggr cp_global_trees[CPTI_AGGR_TAG]
582 /* We cache these tree nodes so as to call get_identifier less
585 /* The name of a constructor that takes an in-charge parameter to
586 decide whether or not to construct virtual base classes. */
587 #define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER]
588 /* The name of a constructor that constructs virtual base classes. */
589 #define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
590 /* The name of a constructor that does not construct virtual base classes. */
591 #define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
592 /* The name of a destructor that takes an in-charge parameter to
593 decide whether or not to destroy virtual base classes and whether
594 or not to delete the object. */
595 #define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER]
596 /* The name of a destructor that destroys virtual base classes. */
597 #define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
598 /* The name of a destructor that does not destroy virtual base
600 #define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
601 /* The name of a destructor that destroys virtual base classes, and
602 then deletes the entire object. */
603 #define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]
604 #define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER]
605 #define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
606 /* The name of the parameter that contains a pointer to the VTT to use
607 for this subobject constructor or destructor. */
608 #define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
609 #define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER]
610 #define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER]
611 #define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER]
612 #define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER]
613 /* The name of the std namespace. */
614 #define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER]
615 #define lang_name_c cp_global_trees[CPTI_LANG_NAME_C]
616 #define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]
617 #define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA]
619 /* Exception specifier used for throw(). */
620 #define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
622 /* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
623 #define jclass_node cp_global_trees[CPTI_JCLASS]
625 /* The declaration for `std::terminate'. */
626 #define terminate_node cp_global_trees[CPTI_TERMINATE]
628 /* The declaration for "__cxa_call_unexpected". */
629 #define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED]
631 /* A pointer to `std::atexit'. */
632 #define atexit_node cp_global_trees[CPTI_ATEXIT]
634 /* A pointer to `__dso_handle'. */
635 #define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE]
637 /* The declaration of the dynamic_cast runtime. */
638 #define dynamic_cast_node cp_global_trees[CPTI_DCAST]
640 /* The type of a destructor. */
641 #define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE]
643 /* The type of the vtt parameter passed to subobject constructors and
645 #define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE]
647 /* A TREE_LIST of the dynamic classes whose vtables may have to be
648 emitted in this translation unit. */
650 #define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES]
652 /* Node to indicate default access. This must be distinct from the
653 access nodes in tree.h. */
655 #define access_default_node null_node
659 struct saved_scope GTY(())
661 VEC(cxx_saved_binding,gc) *old_bindings;
666 tree access_specifier;
668 VEC(tree,gc) *lang_base;
671 struct cp_binding_level *x_previous_class_level;
674 HOST_WIDE_INT x_processing_template_decl;
675 int x_processing_specialization;
676 bool x_processing_explicit_instantiation;
677 int need_pop_function_context;
679 struct stmt_tree_s x_stmt_tree;
681 struct cp_binding_level *class_bindings;
682 struct cp_binding_level *bindings;
684 struct saved_scope *prev;
687 /* The current open namespace. */
689 #define current_namespace scope_chain->old_namespace
691 /* The stack for namespaces of current declarations. */
693 #define decl_namespace_list scope_chain->decl_ns_list
695 /* IDENTIFIER_NODE: name of current class */
697 #define current_class_name scope_chain->class_name
699 /* _TYPE: the type of the current class */
701 #define current_class_type scope_chain->class_type
703 /* When parsing a class definition, the access specifier most recently
704 given by the user, or, if no access specifier was given, the
705 default value appropriate for the kind of class (i.e., struct,
708 #define current_access_specifier scope_chain->access_specifier
710 /* Pointer to the top of the language name stack. */
712 #define current_lang_base scope_chain->lang_base
713 #define current_lang_name scope_chain->lang_name
715 /* Parsing a function declarator leaves a list of parameter names
716 or a chain or parameter decls here. */
718 #define current_template_parms scope_chain->template_parms
720 #define processing_template_decl scope_chain->x_processing_template_decl
721 #define processing_specialization scope_chain->x_processing_specialization
722 #define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation
724 /* The cached class binding level, from the most recently exited
725 class, or NULL if none. */
727 #define previous_class_level scope_chain->x_previous_class_level
729 /* A list of private types mentioned, for deferred access checking. */
731 extern GTY(()) struct saved_scope *scope_chain;
733 /* Global state pertinent to the current function. */
735 struct language_function GTY(())
737 struct c_language_function base;
740 tree x_current_class_ptr;
741 tree x_current_class_ref;
742 tree x_eh_spec_block;
743 tree x_in_charge_parm;
749 int returns_abnormally;
750 int in_function_try_handler;
751 int in_base_initializer;
753 /* True if this function can throw an exception. */
754 BOOL_BITFIELD can_throw : 1;
756 struct named_label_use_list *x_named_label_uses;
757 struct named_label_list *x_named_labels;
758 struct cp_binding_level *bindings;
759 VEC(tree,gc) *x_local_names;
762 /* The current C++-specific per-function global variables. */
764 #define cp_function_chain (cfun->language)
766 /* In a constructor destructor, the point at which all derived class
767 destroying/construction has been has been done. Ie. just before a
768 constructor returns, or before any base class destroying will be done
771 #define cdtor_label cp_function_chain->x_cdtor_label
773 /* When we're processing a member function, current_class_ptr is the
774 PARM_DECL for the `this' pointer. The current_class_ref is an
775 expression for `*this'. */
777 #define current_class_ptr \
778 (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
779 #define current_class_ref \
780 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
782 /* The EH_SPEC_BLOCK for the exception-specifiers for the current
785 #define current_eh_spec_block cp_function_chain->x_eh_spec_block
787 /* The `__in_chrg' parameter for the current function. Only used for
788 constructors and destructors. */
790 #define current_in_charge_parm cp_function_chain->x_in_charge_parm
792 /* The `__vtt_parm' parameter for the current function. Only used for
793 constructors and destructors. */
795 #define current_vtt_parm cp_function_chain->x_vtt_parm
797 /* Set to 0 at beginning of a function definition, set to 1 if
798 a return statement that specifies a return value is seen. */
800 #define current_function_returns_value cp_function_chain->returns_value
802 /* Set to 0 at beginning of a function definition, set to 1 if
803 a return statement with no argument is seen. */
805 #define current_function_returns_null cp_function_chain->returns_null
807 /* Set to 0 at beginning of a function definition, set to 1 if
808 a call to a noreturn function is seen. */
810 #define current_function_returns_abnormally \
811 cp_function_chain->returns_abnormally
813 /* Nonzero if we are processing a base initializer. Zero elsewhere. */
814 #define in_base_initializer cp_function_chain->in_base_initializer
816 #define in_function_try_handler cp_function_chain->in_function_try_handler
818 /* Expression always returned from function, or error_mark_node
819 otherwise, for use by the automatic named return value optimization. */
821 #define current_function_return_value \
822 (cp_function_chain->x_return_value)
824 /* True if NAME is the IDENTIFIER_NODE for an overloaded "operator
825 new" or "operator delete". */
826 #define NEW_DELETE_OPNAME_P(NAME) \
827 ((NAME) == ansi_opname (NEW_EXPR) \
828 || (NAME) == ansi_opname (VEC_NEW_EXPR) \
829 || (NAME) == ansi_opname (DELETE_EXPR) \
830 || (NAME) == ansi_opname (VEC_DELETE_EXPR))
832 #define ansi_opname(CODE) \
833 (operator_name_info[(int) (CODE)].identifier)
834 #define ansi_assopname(CODE) \
835 (assignment_operator_name_info[(int) (CODE)].identifier)
837 /* True if NODE is an erroneous expression. */
839 #define error_operand_p(NODE) \
840 ((NODE) == error_mark_node \
841 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
843 /* C++ language-specific tree codes. */
844 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
845 enum cplus_tree_code {
846 CP_DUMMY_TREE_CODE = LAST_C_TREE_CODE,
847 #include "cp-tree.def"
852 /* TRUE if a tree code represents a statement. */
853 extern bool statement_code_p[MAX_TREE_CODES];
855 #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
857 enum languages { lang_c, lang_cplusplus, lang_java };
859 /* Macros to make error reporting functions' lives easier. */
860 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
861 #define TYPE_LINKAGE_IDENTIFIER(NODE) \
862 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE)))
863 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
864 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
866 /* Nonzero if NODE has no name for linkage purposes. */
867 #define TYPE_ANONYMOUS_P(NODE) \
868 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
870 /* The _DECL for this _TYPE. */
871 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
873 /* Nonzero if T is a class (or struct or union) type. Also nonzero
874 for template type parameters, typename types, and instantiated
875 template template parameters. Despite its name,
876 this macro has nothing to do with the definition of aggregate given
877 in the standard. Think of this macro as MAYBE_CLASS_TYPE_P. Keep
878 these checks in ascending code order. */
879 #define IS_AGGR_TYPE(T) \
880 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \
881 || TREE_CODE (T) == TYPENAME_TYPE \
882 || TREE_CODE (T) == TYPEOF_TYPE \
883 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \
884 || TYPE_LANG_FLAG_5 (T))
886 /* Set IS_AGGR_TYPE for T to VAL. T must be a class, struct, or
888 #define SET_IS_AGGR_TYPE(T, VAL) \
889 (TYPE_LANG_FLAG_5 (T) = (VAL))
891 /* Nonzero if T is a class type. Zero for template type parameters,
892 typename types, and so forth. */
893 #define CLASS_TYPE_P(T) \
894 (IS_AGGR_TYPE_CODE (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T))
896 /* Keep these checks in ascending code order. */
897 #define IS_AGGR_TYPE_CODE(T) \
898 ((T) == RECORD_TYPE || (T) == UNION_TYPE)
899 #define TAGGED_TYPE_P(T) \
900 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE)
901 #define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T)
903 /* True if this a "Java" type, defined in 'extern "Java"'. */
904 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE)
906 /* True if this type is dependent. This predicate is only valid if
907 TYPE_DEPENDENT_P_VALID is true. */
908 #define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE)
910 /* True if dependent_type_p has been called for this type, with the
911 result that TYPE_DEPENDENT_P is valid. */
912 #define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE)
914 /* Nonzero if this type is const-qualified. */
915 #define CP_TYPE_CONST_P(NODE) \
916 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0)
918 /* Nonzero if this type is volatile-qualified. */
919 #define CP_TYPE_VOLATILE_P(NODE) \
920 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0)
922 /* Nonzero if this type is restrict-qualified. */
923 #define CP_TYPE_RESTRICT_P(NODE) \
924 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0)
926 /* Nonzero if this type is const-qualified, but not
927 volatile-qualified. Other qualifiers are ignored. This macro is
928 used to test whether or not it is OK to bind an rvalue to a
930 #define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \
931 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \
934 #define FUNCTION_ARG_CHAIN(NODE) \
935 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE)))
937 /* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES
938 which refers to a user-written parameter. */
939 #define FUNCTION_FIRST_USER_PARMTYPE(NODE) \
940 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE)))
942 /* Similarly, but for DECL_ARGUMENTS. */
943 #define FUNCTION_FIRST_USER_PARM(NODE) \
944 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE))
946 #define PROMOTES_TO_AGGR_TYPE(NODE, CODE) \
947 (((CODE) == TREE_CODE (NODE) \
948 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
949 || IS_AGGR_TYPE (NODE))
951 /* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
953 #define DERIVED_FROM_P(PARENT, TYPE) \
954 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
955 /* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
957 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
958 (lookup_base ((TYPE), (PARENT), ba_unique | ba_quiet, NULL) != NULL_TREE)
959 /* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */
960 #define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \
961 (lookup_base ((TYPE), (PARENT), ba_ignore_scope | ba_check | ba_quiet, \
964 /* Gives the visibility specification for a class type. */
965 #define CLASSTYPE_VISIBILITY(TYPE) \
966 DECL_VISIBILITY (TYPE_NAME (TYPE))
967 #define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \
968 DECL_VISIBILITY_SPECIFIED (TYPE_NAME (TYPE))
970 typedef struct tree_pair_s GTY (())
975 typedef tree_pair_s *tree_pair_p;
976 DEF_VEC_O (tree_pair_s);
977 DEF_VEC_ALLOC_O (tree_pair_s,gc);
979 /* This is a few header flags for 'struct lang_type'. Actually,
980 all but the first are used only for lang_type_class; they
981 are put in this structure to save space. */
982 struct lang_type_header GTY(())
984 BOOL_BITFIELD is_lang_type_class : 1;
986 BOOL_BITFIELD has_type_conversion : 1;
987 BOOL_BITFIELD has_init_ref : 1;
988 BOOL_BITFIELD has_default_ctor : 1;
989 BOOL_BITFIELD const_needs_init : 1;
990 BOOL_BITFIELD ref_needs_init : 1;
991 BOOL_BITFIELD has_const_assign_ref : 1;
993 BOOL_BITFIELD spare : 1;
996 /* This structure provides additional information above and beyond
997 what is provide in the ordinary tree_type. In the past, we used it
998 for the types of class types, template parameters types, typename
999 types, and so forth. However, there can be many (tens to hundreds
1000 of thousands) of template parameter types in a compilation, and
1001 there's no need for this additional information in that case.
1002 Therefore, we now use this data structure only for class types.
1004 In the past, it was thought that there would be relatively few
1005 class types. However, in the presence of heavy use of templates,
1006 many (i.e., thousands) of classes can easily be generated.
1007 Therefore, we should endeavor to keep the size of this structure to
1009 struct lang_type_class GTY(())
1011 struct lang_type_header h;
1013 unsigned char align;
1015 unsigned has_mutable : 1;
1016 unsigned com_interface : 1;
1017 unsigned non_pod_class : 1;
1018 unsigned nearly_empty_p : 1;
1019 unsigned user_align : 1;
1020 unsigned has_assign_ref : 1;
1021 unsigned has_new : 1;
1022 unsigned has_array_new : 1;
1024 unsigned gets_delete : 2;
1025 unsigned interface_only : 1;
1026 unsigned interface_unknown : 1;
1027 unsigned contains_empty_class_p : 1;
1028 unsigned anon_aggr : 1;
1029 unsigned non_zero_init : 1;
1030 unsigned empty_p : 1;
1032 unsigned vec_new_uses_cookie : 1;
1033 unsigned declared_class : 1;
1034 unsigned diamond_shaped : 1;
1035 unsigned repeated_base : 1;
1036 unsigned being_defined : 1;
1037 unsigned java_interface : 1;
1038 unsigned debug_requested : 1;
1039 unsigned fields_readonly : 1;
1041 unsigned use_template : 2;
1042 unsigned ptrmemfunc_flag : 1;
1043 unsigned was_anonymous : 1;
1044 unsigned lazy_default_ctor : 1;
1045 unsigned lazy_copy_ctor : 1;
1046 unsigned lazy_assignment_op : 1;
1047 unsigned lazy_destructor : 1;
1049 unsigned has_const_init_ref : 1;
1050 unsigned has_complex_init_ref : 1;
1051 unsigned has_complex_assign_ref : 1;
1052 unsigned non_aggregate : 1;
1054 /* When adding a flag here, consider whether or not it ought to
1055 apply to a template instance if it applies to the template. If
1056 so, make sure to copy it in instantiate_class_template! */
1058 /* There are some bits left to fill out a 32-bit word. Keep track
1059 of this by updating the size of this bitfield whenever you add or
1061 unsigned dummy : 12;
1064 VEC(tree_pair_s,gc) *vcall_indices;
1067 VEC(tree,gc) *vbases;
1068 binding_table nested_udts;
1070 VEC(tree,gc) *pure_virtuals;
1071 tree friend_classes;
1072 VEC(tree,gc) * GTY((reorder ("resort_type_method_vec"))) methods;
1076 tree befriending_classes;
1077 /* In a RECORD_TYPE, information specific to Objective-C++, such
1078 as a list of adopted protocols or a pointer to a corresponding
1079 @interface. See objc/objc-act.h for details. */
1083 struct lang_type_ptrmem GTY(())
1085 struct lang_type_header h;
1089 struct lang_type GTY(())
1093 struct lang_type_header GTY((skip (""))) h;
1094 struct lang_type_class GTY((tag ("1"))) c;
1095 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem;
1096 } GTY((desc ("%h.h.is_lang_type_class"))) u;
1099 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1101 #define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \
1102 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1103 if (! lt->u.h.is_lang_type_class) \
1104 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1107 #define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \
1108 ({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \
1109 if (lt->u.h.is_lang_type_class) \
1110 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1115 #define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c)
1116 #define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem)
1118 #endif /* ENABLE_TREE_CHECKING */
1120 /* Indicates whether or not (and how) a template was expanded for this class.
1121 0=no information yet/non-template class
1122 1=implicit template instantiation
1123 2=explicit template specialization
1124 3=explicit template instantiation */
1125 #define CLASSTYPE_USE_TEMPLATE(NODE) \
1126 (LANG_TYPE_CLASS_CHECK (NODE)->use_template)
1128 /* Fields used for storing information before the class is defined.
1129 After the class is defined, these fields hold other information. */
1131 /* VEC(tree) of friends which were defined inline in this class
1133 #define CLASSTYPE_INLINE_FRIENDS(NODE) CLASSTYPE_PURE_VIRTUALS (NODE)
1135 /* Nonzero for _CLASSTYPE means that operator delete is defined. */
1136 #define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete)
1137 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
1139 /* Nonzero if `new NODE[x]' should cause the allocation of extra
1140 storage to indicate how many array elements are in use. */
1141 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
1142 (CLASS_TYPE_P (NODE) \
1143 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie)
1145 /* Nonzero means that this _CLASSTYPE node defines ways of converting
1146 itself to other types. */
1147 #define TYPE_HAS_CONVERSION(NODE) \
1148 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion)
1150 /* Nonzero means that NODE (a class type) has a default constructor --
1151 but that it has not yet been declared. */
1152 #define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \
1153 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor)
1155 /* Nonzero means that NODE (a class type) has a copy constructor --
1156 but that it has not yet been declared. */
1157 #define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
1158 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
1160 /* Nonzero means that NODE (a class type) has an assignment operator
1161 -- but that it has not yet been declared. */
1162 #define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \
1163 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op)
1165 /* Nonzero means that NODE (a class type) has a destructor -- but that
1166 it has not yet been declared. */
1167 #define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \
1168 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
1170 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
1171 #define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
1173 /* True iff the class type NODE has an "operator =" whose parameter
1174 has a parameter of type "const X&". */
1175 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
1176 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
1178 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
1179 #define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
1180 #define TYPE_HAS_CONST_INIT_REF(NODE) \
1181 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
1183 /* Nonzero if this class defines an overloaded operator new. (An
1184 operator new [] doesn't count.) */
1185 #define TYPE_HAS_NEW_OPERATOR(NODE) \
1186 (LANG_TYPE_CLASS_CHECK (NODE)->has_new)
1188 /* Nonzero if this class defines an overloaded operator new[]. */
1189 #define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \
1190 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new)
1192 /* Nonzero means that this type is being defined. I.e., the left brace
1193 starting the definition of this type has been seen. */
1194 #define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
1196 /* Mark bits for repeated base checks. */
1197 #define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
1199 /* Non-zero if the class NODE has multiple paths to the same (virtual)
1201 #define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \
1202 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped)
1204 /* Non-zero if the class NODE has multiple instances of the same base
1206 #define CLASSTYPE_REPEATED_BASE_P(NODE) \
1207 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base)
1209 /* The member function with which the vtable will be emitted:
1210 the first noninline non-pure-virtual member function. NULL_TREE
1211 if there is no key function or if this is a class template */
1212 #define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method)
1214 /* Vector member functions defined in this class. Each element is
1215 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All
1216 functions with the same name end up in the same slot. The first
1217 two elements are for constructors, and destructors, respectively.
1218 All template conversion operators to innermost template dependent
1219 types are overloaded on the next slot, if they exist. Note, the
1220 names for these functions will not all be the same. The
1221 non-template conversion operators & templated conversions to
1222 non-innermost template types are next, followed by ordinary member
1223 functions. There may be empty entries at the end of the vector.
1224 The conversion operators are unsorted. The ordinary member
1225 functions are sorted, once the class is complete. */
1226 #define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods)
1228 /* For class templates, this is a TREE_LIST of all member data,
1229 functions, types, and friends in the order of declaration.
1230 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend,
1231 and the RECORD_TYPE for the class template otherwise. */
1232 #define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list)
1234 /* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */
1235 #define CLASSTYPE_CONSTRUCTOR_SLOT 0
1237 /* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */
1238 #define CLASSTYPE_DESTRUCTOR_SLOT 1
1240 /* The first slot in the CLASSTYPE_METHOD_VEC where conversion
1241 operators can appear. */
1242 #define CLASSTYPE_FIRST_CONVERSION_SLOT 2
1244 /* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These
1245 are the constructors that take an in-charge parameter. */
1246 #define CLASSTYPE_CONSTRUCTORS(NODE) \
1247 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT))
1249 /* A FUNCTION_DECL for the destructor for NODE. These are the
1250 destructors that take an in-charge parameter. If
1251 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL
1252 until the destructor is created with lazily_declare_fn. */
1253 #define CLASSTYPE_DESTRUCTORS(NODE) \
1254 (CLASSTYPE_METHOD_VEC (NODE) \
1255 ? VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT) \
1258 /* A dictionary of the nested user-defined-types (class-types, or enums)
1259 found within this class. This table includes nested member class
1261 #define CLASSTYPE_NESTED_UTDS(NODE) \
1262 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts)
1264 /* Nonzero if NODE has a primary base class, i.e., a base class with
1265 which it shares the virtual function table pointer. */
1266 #define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \
1267 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE)
1269 /* If non-NULL, this is the binfo for the primary base class, i.e.,
1270 the base class which contains the virtual function table pointer
1272 #define CLASSTYPE_PRIMARY_BINFO(NODE) \
1273 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base)
1275 /* A vector of BINFOs for the direct and indirect virtual base classes
1276 that this type uses in a post-order depth-first left-to-right
1277 order. (In other words, these bases appear in the order that they
1278 should be initialized.) */
1279 #define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases)
1281 /* The type corresponding to NODE when NODE is used as a base class,
1282 i.e., NODE without virtual base classes. */
1284 #define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base)
1286 /* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */
1288 #define IS_FAKE_BASE_TYPE(NODE) \
1289 (TREE_CODE (NODE) == RECORD_TYPE \
1290 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \
1291 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE))
1293 /* These are the size and alignment of the type without its virtual
1294 base classes, for when we use this type as a base itself. */
1295 #define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE))
1296 #define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE))
1297 #define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE))
1298 #define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE))
1300 /* The alignment of NODE, without its virtual bases, in bytes. */
1301 #define CLASSTYPE_ALIGN_UNIT(NODE) \
1302 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT)
1304 /* True if this a Java interface type, declared with
1305 '__attribute__ ((java_interface))'. */
1306 #define TYPE_JAVA_INTERFACE(NODE) \
1307 (LANG_TYPE_CLASS_CHECK (NODE)->java_interface)
1309 /* A VEC(tree) of virtual functions which cannot be inherited by
1310 derived classes. When deriving from this type, the derived
1311 class must provide its own definition for each of these functions. */
1312 #define CLASSTYPE_PURE_VIRTUALS(NODE) \
1313 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals)
1315 /* Nonzero means that this type has an X() constructor. */
1316 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
1317 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
1319 /* Nonzero means that this type contains a mutable member. */
1320 #define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
1321 #define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
1323 /* Nonzero means that this class type is a non-POD class. */
1324 #define CLASSTYPE_NON_POD_P(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class)
1326 /* Nonzero means that this class contains pod types whose default
1327 initialization is not a zero initialization (namely, pointers to
1329 #define CLASSTYPE_NON_ZERO_INIT_P(NODE) \
1330 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init)
1332 /* Nonzero if this class is "empty" in the sense of the C++ ABI. */
1333 #define CLASSTYPE_EMPTY_P(NODE) \
1334 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p)
1336 /* Nonzero if this class is "nearly empty", i.e., contains only a
1337 virtual function table pointer. */
1338 #define CLASSTYPE_NEARLY_EMPTY_P(NODE) \
1339 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p)
1341 /* Nonzero if this class contains an empty subobject. */
1342 #define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \
1343 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p)
1345 /* A list of class types of which this type is a friend. The
1346 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
1347 case of a template friend. */
1348 #define CLASSTYPE_FRIEND_CLASSES(NODE) \
1349 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes)
1351 /* A list of the classes which grant friendship to this class. */
1352 #define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
1353 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
1355 /* Say whether this node was declared as a "class" or a "struct". */
1356 #define CLASSTYPE_DECLARED_CLASS(NODE) \
1357 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
1359 /* Nonzero if this class has const members
1360 which have no specified initialization. */
1361 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \
1362 (TYPE_LANG_SPECIFIC (NODE) \
1363 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0)
1364 #define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \
1365 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE))
1367 /* Nonzero if this class has ref members
1368 which have no specified initialization. */
1369 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \
1370 (TYPE_LANG_SPECIFIC (NODE) \
1371 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0)
1372 #define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \
1373 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE))
1375 /* Nonzero if this class is included from a header file which employs
1376 `#pragma interface', and it is not included in its implementation file. */
1377 #define CLASSTYPE_INTERFACE_ONLY(NODE) \
1378 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only)
1380 /* True if we have already determined whether or not vtables, VTTs,
1381 typeinfo, and other similar per-class data should be emitted in
1382 this translation unit. This flag does not indicate whether or not
1383 these items should be emitted; it only indicates that we know one
1384 way or the other. */
1385 #define CLASSTYPE_INTERFACE_KNOWN(NODE) \
1386 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0)
1387 /* The opposite of CLASSTYPE_INTERFACE_KNOWN. */
1388 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1389 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown)
1391 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \
1392 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X))
1393 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \
1394 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1)
1395 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \
1396 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0)
1398 /* Nonzero if a _DECL node requires us to output debug info for this class. */
1399 #define CLASSTYPE_DEBUG_REQUESTED(NODE) \
1400 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested)
1402 /* Additional macros for inheritance information. */
1404 /* Nonzero means that this class is on a path leading to a new vtable. */
1405 #define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE)
1407 /* Nonzero means B (a BINFO) has its own vtable. Any copies will not
1408 have this flag set. */
1409 #define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B))
1411 /* Compare a BINFO_TYPE with another type for equality. For a binfo,
1412 this is functionally equivalent to using same_type_p, but
1413 measurably faster. At least one of the arguments must be a
1414 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If
1415 BINFO_TYPE(T) ever stops being the main variant of the class the
1416 binfo is for, this macro must change. */
1417 #define SAME_BINFO_TYPE_P(A, B) ((A) == (B))
1419 /* Any subobject that needs a new vtable must have a vptr and must not
1420 be a non-virtual primary base (since it would then use the vtable from a
1421 derived class and never become non-primary.) */
1422 #define SET_BINFO_NEW_VTABLE_MARKED(B) \
1423 (BINFO_NEW_VTABLE_MARKED (B) = 1, \
1424 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \
1425 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B))))
1427 /* Nonzero if this binfo is for a dependent base - one that should not
1429 #define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE)
1431 /* Nonzero if this binfo has lost its primary base binfo (because that
1432 is a nearly-empty virtual base that has been taken by some other
1433 base in the complete hierarchy. */
1434 #define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE)
1436 /* Nonzero if this BINFO is a primary base class. */
1437 #define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE)
1439 /* Used by various search routines. */
1440 #define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE)
1442 /* A VEC(tree_pair_s) of the vcall indices associated with the class
1443 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual
1444 function. The VALUE is the index into the virtual table where the
1445 vcall offset for that function is stored, when NODE is a virtual
1447 #define CLASSTYPE_VCALL_INDICES(NODE) \
1448 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices)
1450 /* The various vtables for the class NODE. The primary vtable will be
1451 first, followed by the construction vtables and VTT, if any. */
1452 #define CLASSTYPE_VTABLES(NODE) \
1453 (LANG_TYPE_CLASS_CHECK (NODE)->vtables)
1455 /* The std::type_info variable representing this class, or NULL if no
1456 such variable has been created. This field is only set for the
1457 TYPE_MAIN_VARIANT of the class. */
1458 #define CLASSTYPE_TYPEINFO_VAR(NODE) \
1459 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var)
1461 /* Accessor macros for the BINFO_VIRTUALS list. */
1463 /* The number of bytes by which to adjust the `this' pointer when
1464 calling this virtual function. Subtract this value from the this
1465 pointer. Always non-NULL, might be constant zero though. */
1466 #define BV_DELTA(NODE) (TREE_PURPOSE (NODE))
1468 /* If non-NULL, the vtable index at which to find the vcall offset
1469 when calling this virtual function. Add the value at that vtable
1470 index to the this pointer. */
1471 #define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE))
1473 /* The function to call. */
1474 #define BV_FN(NODE) (TREE_VALUE (NODE))
1477 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1478 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
1479 will be NULL_TREE to indicate a throw specification of `()', or
1480 no exceptions allowed. */
1481 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
1483 /* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
1484 #define TYPE_NOTHROW_P(NODE) \
1485 (TYPE_RAISES_EXCEPTIONS (NODE) \
1486 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
1488 /* The binding level associated with the namespace. */
1489 #define NAMESPACE_LEVEL(NODE) \
1490 (DECL_LANG_SPECIFIC (NODE)->decl_flags.u.level)
1493 /* If a DECL has DECL_LANG_SPECIFIC, it is either a lang_decl_flags or
1494 a lang_decl (which has lang_decl_flags as its initial prefix).
1495 This macro is nonzero for tree nodes whose DECL_LANG_SPECIFIC is
1496 the full lang_decl, and not just lang_decl_flags. Keep these
1497 checks in ascending code order. */
1498 #define CAN_HAVE_FULL_LANG_DECL_P(NODE) \
1499 (!(TREE_CODE (NODE) == FIELD_DECL \
1500 || TREE_CODE (NODE) == VAR_DECL \
1501 || TREE_CODE (NODE) == CONST_DECL \
1502 || TREE_CODE (NODE) == USING_DECL))
1504 struct lang_decl_flags GTY(())
1506 ENUM_BITFIELD(languages) language : 4;
1507 unsigned global_ctor_p : 1;
1508 unsigned global_dtor_p : 1;
1509 unsigned anticipated_p : 1;
1510 unsigned template_conv_p : 1;
1512 unsigned operator_attr : 1;
1513 unsigned constructor_attr : 1;
1514 unsigned destructor_attr : 1;
1515 unsigned friend_attr : 1;
1516 unsigned static_function : 1;
1517 unsigned pure_virtual : 1;
1518 unsigned has_in_charge_parm_p : 1;
1519 unsigned has_vtt_parm_p : 1;
1521 unsigned deferred : 1;
1522 unsigned use_template : 2;
1523 unsigned nonconverting : 1;
1524 unsigned not_really_extern : 1;
1525 unsigned initialized_in_class : 1;
1526 unsigned assignment_operator_p : 1;
1530 unsigned can_be_full : 1;
1531 unsigned thunk_p : 1;
1532 unsigned this_thunk_p : 1;
1533 unsigned repo_available_p : 1;
1537 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1539 In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
1540 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
1541 DECL_TEMPLATE_INFO. */
1542 tree GTY ((tag ("0"))) template_info;
1544 /* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
1545 struct cp_binding_level * GTY ((tag ("1"))) level;
1546 } GTY ((desc ("%1.u1sel"))) u;
1548 union lang_decl_u2 {
1549 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
1550 THUNK_VIRTUAL_OFFSET.
1551 Otherwise this is DECL_ACCESS. */
1552 tree GTY ((tag ("0"))) access;
1554 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */
1555 int GTY ((tag ("1"))) discriminator;
1556 } GTY ((desc ("%1.u2sel"))) u2;
1559 /* sorted_fields is sorted based on a pointer, so we need to be able
1560 to resort it if pointers get rearranged. */
1562 struct lang_decl GTY(())
1564 struct lang_decl_flags decl_flags;
1568 struct full_lang_decl
1570 /* In an overloaded operator, this is the value of
1571 DECL_OVERLOADED_OPERATOR_P. */
1572 ENUM_BITFIELD (tree_code) operator_code : 8;
1575 unsigned pending_inline_p : 1;
1576 unsigned spare : 22;
1578 /* For a non-thunk function decl, this is a tree list of
1579 friendly classes. For a thunk function decl, it is the
1580 thunked to function decl. */
1581 tree befriending_classes;
1583 /* For a non-virtual FUNCTION_DECL, this is
1584 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which
1585 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both
1586 this pointer and result pointer adjusting thunks are
1587 chained here. This pointer thunks to return pointer thunks
1588 will be chained on the return pointer thunk. */
1593 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is
1594 DECL_CLONED_FUNCTION. */
1595 tree GTY ((tag ("0"))) cloned_function;
1597 /* In a FUNCTION_DECL for which THUNK_P holds this is the
1598 THUNK_FIXED_OFFSET. */
1599 HOST_WIDE_INT GTY ((tag ("1"))) fixed_offset;
1600 } GTY ((desc ("%0.decl_flags.thunk_p"))) u5;
1604 struct sorted_fields_type * GTY ((tag ("0"), reorder ("resort_sorted_fields")))
1606 struct cp_token_cache * GTY ((tag ("2"))) pending_inline_info;
1607 struct language_function * GTY ((tag ("1")))
1608 saved_language_function;
1609 } GTY ((desc ("%1.u3sel + %1.pending_inline_p"))) u;
1610 } GTY ((tag ("1"))) f;
1611 } GTY ((desc ("%1.decl_flags.can_be_full"))) u;
1614 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
1616 #define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
1617 ({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
1618 if (lt->decl_flags.u2sel != TF) \
1619 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
1620 <->decl_flags.u2; })
1624 #define LANG_DECL_U2_CHECK(NODE, TF) \
1625 (&DECL_LANG_SPECIFIC (NODE)->decl_flags.u2)
1627 #endif /* ENABLE_TREE_CHECKING */
1629 /* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the
1630 declaration. Some entities (like a member function in a local
1631 class, or a local variable) do not have linkage at all, and this
1632 macro should not be used in those cases.
1634 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was
1635 created by language-independent code, and has C linkage. Most
1636 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but
1637 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */
1638 #define DECL_LANGUAGE(NODE) \
1639 (DECL_LANG_SPECIFIC (NODE) \
1640 ? DECL_LANG_SPECIFIC (NODE)->decl_flags.language \
1641 : (TREE_CODE (NODE) == FUNCTION_DECL \
1642 ? lang_c : lang_cplusplus))
1644 /* Set the language linkage for NODE to LANGUAGE. */
1645 #define SET_DECL_LANGUAGE(NODE, LANGUAGE) \
1646 (DECL_LANG_SPECIFIC (NODE)->decl_flags.language = (LANGUAGE))
1648 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1649 #define DECL_CONSTRUCTOR_P(NODE) \
1650 (DECL_LANG_SPECIFIC (NODE)->decl_flags.constructor_attr)
1652 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete
1654 #define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \
1655 (DECL_CONSTRUCTOR_P (NODE) \
1656 && DECL_NAME (NODE) == complete_ctor_identifier)
1658 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base
1660 #define DECL_BASE_CONSTRUCTOR_P(NODE) \
1661 (DECL_CONSTRUCTOR_P (NODE) \
1662 && DECL_NAME (NODE) == base_ctor_identifier)
1664 /* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the
1665 specialized in-charge constructor or the specialized not-in-charge
1667 #define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \
1668 (DECL_CONSTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1670 /* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */
1671 #define DECL_COPY_CONSTRUCTOR_P(NODE) \
1672 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0)
1674 /* Nonzero if NODE is a destructor. */
1675 #define DECL_DESTRUCTOR_P(NODE) \
1676 (DECL_LANG_SPECIFIC (NODE)->decl_flags.destructor_attr)
1678 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the
1679 specialized in-charge constructor, in-charge deleting constructor,
1680 or the base destructor. */
1681 #define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \
1682 (DECL_DESTRUCTOR_P (NODE) && !DECL_CLONED_FUNCTION_P (NODE))
1684 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1686 #define DECL_COMPLETE_DESTRUCTOR_P(NODE) \
1687 (DECL_DESTRUCTOR_P (NODE) \
1688 && DECL_NAME (NODE) == complete_dtor_identifier)
1690 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base
1692 #define DECL_BASE_DESTRUCTOR_P(NODE) \
1693 (DECL_DESTRUCTOR_P (NODE) \
1694 && DECL_NAME (NODE) == base_dtor_identifier)
1696 /* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete
1697 object that deletes the object after it has been destroyed. */
1698 #define DECL_DELETING_DESTRUCTOR_P(NODE) \
1699 (DECL_DESTRUCTOR_P (NODE) \
1700 && DECL_NAME (NODE) == deleting_dtor_identifier)
1702 /* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or
1704 #define DECL_CLONED_FUNCTION_P(NODE) \
1705 ((TREE_CODE (NODE) == FUNCTION_DECL \
1706 || TREE_CODE (NODE) == TEMPLATE_DECL) \
1707 && DECL_LANG_SPECIFIC (NODE) \
1708 && !DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p \
1709 && DECL_CLONED_FUNCTION (NODE) != NULL_TREE)
1711 /* If DECL_CLONED_FUNCTION_P holds, this is the function that was
1713 #define DECL_CLONED_FUNCTION(NODE) \
1714 (DECL_LANG_SPECIFIC (NON_THUNK_FUNCTION_CHECK(NODE))->u.f.u5.cloned_function)
1716 /* Perform an action for each clone of FN, if FN is a function with
1717 clones. This macro should be used like:
1719 FOR_EACH_CLONE (clone, fn)
1723 #define FOR_EACH_CLONE(CLONE, FN) \
1724 if (TREE_CODE (FN) == FUNCTION_DECL \
1725 && (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \
1726 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \
1727 for (CLONE = TREE_CHAIN (FN); \
1728 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
1729 CLONE = TREE_CHAIN (CLONE))
1731 /* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
1732 #define DECL_DISCRIMINATOR_P(NODE) \
1733 (TREE_CODE (NODE) == VAR_DECL \
1734 && DECL_FUNCTION_SCOPE_P (NODE))
1736 /* Discriminator for name mangling. */
1737 #define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
1739 /* Nonzero if the VTT parm has been added to NODE. */
1740 #define DECL_HAS_VTT_PARM_P(NODE) \
1741 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_vtt_parm_p)
1743 /* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is
1745 #define DECL_NEEDS_VTT_PARM_P(NODE) \
1746 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \
1747 && (DECL_BASE_CONSTRUCTOR_P (NODE) \
1748 || DECL_BASE_DESTRUCTOR_P (NODE)))
1750 /* Nonzero if NODE is a user-defined conversion operator. */
1751 #define DECL_CONV_FN_P(NODE) \
1752 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
1754 /* If FN is a conversion operator, the type to which it converts.
1755 Otherwise, NULL_TREE. */
1756 #define DECL_CONV_FN_TYPE(FN) \
1757 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE)
1759 /* Nonzero if NODE, which is a TEMPLATE_DECL, is a template
1760 conversion operator to a type dependent on the innermost template
1762 #define DECL_TEMPLATE_CONV_FN_P(NODE) \
1763 (DECL_LANG_SPECIFIC (NODE)->decl_flags.template_conv_p)
1765 /* Set the overloaded operator code for NODE to CODE. */
1766 #define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
1767 (DECL_LANG_SPECIFIC (NODE)->u.f.operator_code = (CODE))
1769 /* If NODE is an overloaded operator, then this returns the TREE_CODE
1770 associated with the overloaded operator.
1771 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine
1772 whether or not NODE is an assignment operator. If NODE is not an
1773 overloaded operator, ERROR_MARK is returned. Since the numerical
1774 value of ERROR_MARK is zero, this macro can be used as a predicate
1775 to test whether or not NODE is an overloaded operator. */
1776 #define DECL_OVERLOADED_OPERATOR_P(NODE) \
1777 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \
1778 ? DECL_LANG_SPECIFIC (NODE)->u.f.operator_code : ERROR_MARK)
1780 /* Nonzero if NODE is an assignment operator. */
1781 #define DECL_ASSIGNMENT_OPERATOR_P(NODE) \
1782 (DECL_LANG_SPECIFIC (NODE)->decl_flags.assignment_operator_p)
1784 /* For FUNCTION_DECLs: nonzero means that this function is a
1785 constructor or a destructor with an extra in-charge parameter to
1786 control whether or not virtual bases are constructed. */
1787 #define DECL_HAS_IN_CHARGE_PARM_P(NODE) \
1788 (DECL_LANG_SPECIFIC (NODE)->decl_flags.has_in_charge_parm_p)
1790 /* Nonzero if DECL is a declaration of __builtin_constant_p. */
1791 #define DECL_IS_BUILTIN_CONSTANT_P(NODE) \
1792 (TREE_CODE (NODE) == FUNCTION_DECL \
1793 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \
1794 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P)
1796 /* Nonzero for _DECL means that this decl appears in (or will appear
1797 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1798 detecting circularity in case members are multiply defined. In the
1799 case of a VAR_DECL, it is also used to determine how program storage
1800 should be allocated. */
1801 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE))
1803 /* Nonzero for a VAR_DECL means that the variable's initialization has
1805 #define DECL_INITIALIZED_P(NODE) \
1806 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE)))
1808 /* Nonzero for a VAR_DECL that was initialized with a
1809 constant-expression. */
1810 #define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \
1811 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE)))
1813 /* Nonzero for a VAR_DECL that can be used in an integral constant
1818 An integral constant-expression can only involve ... const
1819 variables of static or enumeration types initialized with
1820 constant expressions ...
1822 The standard does not require that the expression be non-volatile.
1823 G++ implements the proposed correction in DR 457. */
1824 #define DECL_INTEGRAL_CONSTANT_VAR_P(NODE) \
1825 (TREE_CODE (NODE) == VAR_DECL \
1826 && CP_TYPE_CONST_NON_VOLATILE_P (TREE_TYPE (NODE)) \
1827 && INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (NODE)) \
1828 && DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (NODE))
1830 /* Nonzero if the DECL was initialized in the class definition itself,
1831 rather than outside the class. This is used for both static member
1832 VAR_DECLS, and FUNTION_DECLS that are defined in the class. */
1833 #define DECL_INITIALIZED_IN_CLASS_P(DECL) \
1834 (DECL_LANG_SPECIFIC (DECL)->decl_flags.initialized_in_class)
1836 /* Nonzero for FUNCTION_DECL means that this decl is just a
1837 friend declaration, and should not be added to the list of
1838 member functions for this class. */
1839 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.friend_attr)
1841 /* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */
1842 #define DECL_BEFRIENDING_CLASSES(NODE) \
1843 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
1845 /* Nonzero for FUNCTION_DECL means that this decl is a static
1847 #define DECL_STATIC_FUNCTION_P(NODE) \
1848 (DECL_LANG_SPECIFIC (NODE)->decl_flags.static_function)
1850 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1852 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1853 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1855 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1856 (static or non-static). */
1857 #define DECL_FUNCTION_MEMBER_P(NODE) \
1858 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1860 /* Nonzero for FUNCTION_DECL means that this member function
1861 has `this' as const X *const. */
1862 #define DECL_CONST_MEMFUNC_P(NODE) \
1863 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1864 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \
1865 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1867 /* Nonzero for FUNCTION_DECL means that this member function
1868 has `this' as volatile X *const. */
1869 #define DECL_VOLATILE_MEMFUNC_P(NODE) \
1870 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \
1871 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \
1872 (TYPE_ARG_TYPES (TREE_TYPE (NODE))))))
1874 /* Nonzero for a DECL means that this member is a non-static member. */
1875 #define DECL_NONSTATIC_MEMBER_P(NODE) \
1876 ((TREE_CODE (NODE) == FUNCTION_DECL \
1877 && DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE)) \
1878 || TREE_CODE (NODE) == FIELD_DECL)
1880 /* Nonzero for _DECL means that this member object type
1882 #define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE))
1884 /* Nonzero for _DECL means that this constructor is a non-converting
1886 #define DECL_NONCONVERTING_P(NODE) \
1887 (DECL_LANG_SPECIFIC (NODE)->decl_flags.nonconverting)
1889 /* Nonzero for FUNCTION_DECL means that this member function is a pure
1890 virtual function. */
1891 #define DECL_PURE_VIRTUAL_P(NODE) \
1892 (DECL_LANG_SPECIFIC (NODE)->decl_flags.pure_virtual)
1894 /* True (in a FUNCTION_DECL) if NODE is a virtual function that is an
1895 invalid overrider for a function from a base class. Once we have
1896 complained about an invalid overrider we avoid complaining about it
1898 #define DECL_INVALID_OVERRIDER_P(NODE) \
1899 (DECL_LANG_FLAG_4 (NODE))
1901 /* The thunks associated with NODE, a FUNCTION_DECL. */
1902 #define DECL_THUNKS(NODE) \
1903 (DECL_LANG_SPECIFIC (NODE)->u.f.context)
1905 /* Nonzero if NODE is a thunk, rather than an ordinary function. */
1906 #define DECL_THUNK_P(NODE) \
1907 (TREE_CODE (NODE) == FUNCTION_DECL \
1908 && DECL_LANG_SPECIFIC (NODE) \
1909 && DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p)
1911 /* Set DECL_THUNK_P for node. */
1912 #define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \
1913 (DECL_LANG_SPECIFIC (NODE)->decl_flags.thunk_p = 1, \
1914 DECL_LANG_SPECIFIC (NODE)->u.f.u3sel = 1, \
1915 DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p = (THIS_ADJUSTING))
1917 /* Nonzero if NODE is a this pointer adjusting thunk. */
1918 #define DECL_THIS_THUNK_P(NODE) \
1919 (DECL_THUNK_P (NODE) && DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1921 /* Nonzero if NODE is a result pointer adjusting thunk. */
1922 #define DECL_RESULT_THUNK_P(NODE) \
1923 (DECL_THUNK_P (NODE) && !DECL_LANG_SPECIFIC (NODE)->decl_flags.this_thunk_p)
1925 /* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */
1926 #define DECL_NON_THUNK_FUNCTION_P(NODE) \
1927 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE))
1929 /* Nonzero if NODE is `extern "C"'. */
1930 #define DECL_EXTERN_C_P(NODE) \
1931 (DECL_LANGUAGE (NODE) == lang_c)
1933 /* Nonzero if NODE is an `extern "C"' function. */
1934 #define DECL_EXTERN_C_FUNCTION_P(NODE) \
1935 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE))
1937 /* True iff DECL is an entity with vague linkage whose definition is
1938 available in this translation unit. */
1939 #define DECL_REPO_AVAILABLE_P(NODE) \
1940 (DECL_LANG_SPECIFIC (NODE)->decl_flags.repo_available_p)
1942 /* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
1943 template function. */
1944 #define DECL_PRETTY_FUNCTION_P(NODE) \
1945 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)))
1947 /* The _TYPE context in which this _DECL appears. This field holds the
1948 class where a virtual function instance is actually defined. */
1949 #define DECL_CLASS_CONTEXT(NODE) \
1950 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE)
1952 /* For a non-member friend function, the class (if any) in which this
1953 friend was defined. For example, given:
1955 struct S { friend void f (); };
1957 the DECL_FRIEND_CONTEXT for `f' will be `S'. */
1958 #define DECL_FRIEND_CONTEXT(NODE) \
1959 ((DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \
1960 ? DECL_LANG_SPECIFIC (NODE)->u.f.context \
1963 /* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */
1964 #define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \
1965 (DECL_LANG_SPECIFIC (NODE)->u.f.context = (CONTEXT))
1967 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
1968 #define CP_DECL_CONTEXT(NODE) \
1969 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
1970 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
1972 /* 1 iff NODE has namespace scope, including the global namespace. */
1973 #define DECL_NAMESPACE_SCOPE_P(NODE) \
1974 (!DECL_TEMPLATE_PARM_P (NODE) \
1975 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
1977 /* 1 iff NODE is a class member. */
1978 #define DECL_CLASS_SCOPE_P(NODE) \
1979 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
1981 /* 1 iff NODE is function-local. */
1982 #define DECL_FUNCTION_SCOPE_P(NODE) \
1983 (DECL_CONTEXT (NODE) \
1984 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
1986 /* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
1987 both the primary typeinfo object and the associated NTBS name. */
1988 #define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
1990 /* 1 iff VAR_DECL node NODE is virtual table or VTT. */
1991 #define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
1993 /* Returns 1 iff VAR_DECL is a construction virtual table.
1994 DECL_VTABLE_OR_VTT_P will be true in this case and must be checked
1995 before using this macro. */
1996 #define DECL_CONSTRUCTION_VTABLE_P(NODE) \
1997 TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE))
1999 /* 1 iff NODE is function-local, but for types. */
2000 #define LOCAL_CLASS_P(NODE) \
2001 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE)
2003 /* For a NAMESPACE_DECL: the list of using namespace directives
2004 The PURPOSE is the used namespace, the value is the namespace
2005 that is the common ancestor. */
2006 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE))
2008 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
2009 of a namespace, to record the transitive closure of using namespace. */
2010 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE))
2012 /* In a NAMESPACE_DECL, the list of namespaces which have associated
2013 themselves with this one. */
2014 #define DECL_NAMESPACE_ASSOCIATIONS(NODE) \
2015 (NAMESPACE_DECL_CHECK (NODE)->decl.saved_tree)
2017 /* In a NAMESPACE_DECL, points to the original namespace if this is
2018 a namespace alias. */
2019 #define DECL_NAMESPACE_ALIAS(NODE) \
2020 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE))
2021 #define ORIGINAL_NAMESPACE(NODE) \
2022 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
2024 /* Nonzero if NODE is the std namespace. */
2025 #define DECL_NAMESPACE_STD_P(NODE) \
2026 (TREE_CODE (NODE) == NAMESPACE_DECL \
2027 && CP_DECL_CONTEXT (NODE) == global_namespace \
2028 && DECL_NAME (NODE) == std_identifier)
2030 /* In a non-local VAR_DECL with static storage duration, this is the
2031 initialization priority. If this value is zero, the NODE will be
2032 initialized at the DEFAULT_INIT_PRIORITY. */
2033 #define DECL_INIT_PRIORITY(NODE) (VAR_DECL_CHECK (NODE)->decl.u2.i)
2035 /* In a TREE_LIST concatenating using directives, indicate indirect
2037 #define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->common.lang_flag_0)
2039 /* In a VAR_DECL for a variable declared in a for statement,
2040 this is the shadowed (local) variable. */
2041 #define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT_FLD(VAR_DECL_CHECK (NODE))
2043 /* In a FUNCTION_DECL, this is nonzero if this function was defined in
2044 the class definition. We have saved away the text of the function,
2045 but have not yet processed it. */
2046 #define DECL_PENDING_INLINE_P(NODE) \
2047 (DECL_LANG_SPECIFIC (NODE)->u.f.pending_inline_p)
2049 /* If DECL_PENDING_INLINE_P holds, this is the saved text of the
2051 #define DECL_PENDING_INLINE_INFO(NODE) \
2052 (DECL_LANG_SPECIFIC (NODE)->u.f.u.pending_inline_info)
2054 /* For a TYPE_DECL: if this structure has many fields, we'll sort them
2055 and put them into a TREE_VEC. */
2056 #define DECL_SORTED_FIELDS(NODE) \
2057 (DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.f.u.sorted_fields)
2059 /* True if on the deferred_fns (see decl2.c) list. */
2060 #define DECL_DEFERRED_FN(DECL) \
2061 (DECL_LANG_SPECIFIC (DECL)->decl_flags.deferred)
2063 /* For a VAR_DECL, FUNCTION_DECL, TYPE_DECL or TEMPLATE_DECL:
2064 template-specific information. */
2065 #define DECL_TEMPLATE_INFO(NODE) \
2066 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \
2067 ->decl_flags.u.template_info)
2069 /* For a VAR_DECL, indicates that the variable has been processed.
2070 This flag is set and unset throughout the code; it is always
2071 used for a temporary purpose. */
2072 #define DECL_VAR_MARKED_P(NODE) \
2073 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)))
2075 /* Template information for a RECORD_TYPE or UNION_TYPE. */
2076 #define CLASSTYPE_TEMPLATE_INFO(NODE) \
2077 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info)
2079 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
2080 not be a primary template, it may be declared within the scope of a
2081 primary template and the enumeration constants may depend on
2082 non-type template parameters. */
2083 #define ENUM_TEMPLATE_INFO(NODE) \
2084 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE)))
2086 /* Template information for a template template parameter. */
2087 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \
2088 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \
2091 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2092 #define TYPE_TEMPLATE_INFO(NODE) \
2093 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2094 ? ENUM_TEMPLATE_INFO (NODE) : \
2095 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \
2096 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \
2097 (TYPE_LANG_SPECIFIC (NODE) \
2098 ? CLASSTYPE_TEMPLATE_INFO (NODE) \
2101 /* Set the template information for an ENUMERAL_, RECORD_, or
2102 UNION_TYPE to VAL. */
2103 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
2104 (TREE_CODE (NODE) == ENUMERAL_TYPE \
2105 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
2106 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
2108 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
2109 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
2110 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
2112 /* We use TREE_VECs to hold template arguments. If there is only one
2113 level of template arguments, then the TREE_VEC contains the
2114 arguments directly. If there is more than one level of template
2115 arguments, then each entry in the TREE_VEC is itself a TREE_VEC,
2116 containing the template arguments for a single level. The first
2117 entry in the outer TREE_VEC is the outermost level of template
2118 parameters; the last is the innermost.
2120 It is incorrect to ever form a template argument vector containing
2121 only one level of arguments, but which is a TREE_VEC containing as
2122 its only entry the TREE_VEC for that level. */
2124 /* Nonzero if the template arguments is actually a vector of vectors,
2125 rather than just a vector. */
2126 #define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \
2127 (NODE && TREE_VEC_ELT (NODE, 0) \
2128 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC)
2130 /* The depth of a template argument vector. When called directly by
2131 the parser, we use a TREE_LIST rather than a TREE_VEC to represent
2132 template arguments. In fact, we may even see NULL_TREE if there
2133 are no template arguments. In both of those cases, there is only
2134 one level of template arguments. */
2135 #define TMPL_ARGS_DEPTH(NODE) \
2136 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1)
2138 /* The LEVELth level of the template ARGS. The outermost level of
2139 args is level 1, not level 0. */
2140 #define TMPL_ARGS_LEVEL(ARGS, LEVEL) \
2141 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \
2142 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS))
2144 /* Set the LEVELth level of the template ARGS to VAL. This macro does
2145 not work with single-level argument vectors. */
2146 #define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \
2147 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL))
2149 /* Accesses the IDXth parameter in the LEVELth level of the ARGS. */
2150 #define TMPL_ARG(ARGS, LEVEL, IDX) \
2151 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX))
2153 /* Given a single level of template arguments in NODE, return the
2154 number of arguments. */
2155 #define NUM_TMPL_ARGS(NODE) \
2156 (TREE_VEC_LENGTH (NODE))
2158 /* Returns the innermost level of template arguments in ARGS. */
2159 #define INNERMOST_TEMPLATE_ARGS(NODE) \
2160 (get_innermost_template_args ((NODE), 1))
2162 /* The number of levels of template parameters given by NODE. */
2163 #define TMPL_PARMS_DEPTH(NODE) \
2164 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE)))
2166 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
2167 TEMPLATE_DECL will be the immediate parent, not the most general
2168 template. For example, in:
2170 template <class T> struct S { template <class U> void f(U); }
2172 the FUNCTION_DECL for S<int>::f<double> will have, as its
2173 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
2175 As a special case, for a member friend template of a template
2176 class, this value will not be a TEMPLATE_DECL, but rather an
2177 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and
2178 any explicit template arguments provided. For example, in:
2180 template <class T> struct S { friend void f<int>(int, double); }
2182 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the
2183 DECL_TI_ARGS will be {int}. */
2184 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
2186 /* The template arguments used to obtain this decl from the most
2187 general form of DECL_TI_TEMPLATE. For the example given for
2188 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
2189 are always the full set of arguments required to instantiate this
2190 declaration from the most general template specialized here. */
2191 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
2192 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
2193 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
2195 /* For a template instantiation TYPE, returns the TYPE corresponding
2196 to the primary template. Otherwise returns TYPE itself. */
2197 #define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \
2198 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \
2199 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \
2200 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \
2201 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \
2204 /* Like DECL_TI_TEMPLATE, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2205 #define TYPE_TI_TEMPLATE(NODE) \
2206 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
2208 /* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
2209 #define TYPE_TI_ARGS(NODE) \
2210 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
2212 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE)
2214 /* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the
2215 sense of [temp.mem]. */
2216 #define DECL_MEMBER_TEMPLATE_P(NODE) \
2217 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE)))
2219 /* Nonzero if the NODE corresponds to the template parameters for a
2220 member template, whose inline definition is being processed after
2221 the class definition is complete. */
2222 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
2224 /* In a FUNCTION_DECL, the saved language-specific per-function data. */
2225 #define DECL_SAVED_FUNCTION_DATA(NODE) \
2226 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE)) \
2227 ->u.f.u.saved_language_function)
2229 /* Indicates an indirect_expr is for converting a reference. */
2230 #define REFERENCE_REF_P(NODE) \
2231 TREE_LANG_FLAG_0 (INDIRECT_REF_CHECK (NODE))
2233 #define NEW_EXPR_USE_GLOBAL(NODE) \
2234 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE))
2235 #define DELETE_EXPR_USE_GLOBAL(NODE) \
2236 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE))
2237 #define DELETE_EXPR_USE_VEC(NODE) \
2238 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE))
2240 /* Indicates that this is a non-dependent COMPOUND_EXPR which will
2241 resolve to a function call. */
2242 #define COMPOUND_EXPR_OVERLOADED(NODE) \
2243 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE))
2245 /* In a CALL_EXPR appearing in a template, true if Koenig lookup
2246 should be performed at instantiation time. */
2247 #define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE))
2249 /* Indicates whether a string literal has been parenthesized. Such
2250 usages are disallowed in certain circumstances. */
2252 #define PAREN_STRING_LITERAL_P(NODE) \
2253 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE))
2255 /* Nonzero if this AGGR_INIT_EXPR provides for initialization via a
2256 constructor call, rather than an ordinary function call. */
2257 #define AGGR_INIT_VIA_CTOR_P(NODE) \
2258 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE))
2260 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
2261 TEMPLATE_DECL. This macro determines whether or not a given class
2262 type is really a template type, as opposed to an instantiation or
2263 specialization of one. */
2264 #define CLASSTYPE_IS_TEMPLATE(NODE) \
2265 (CLASSTYPE_TEMPLATE_INFO (NODE) \
2266 && !CLASSTYPE_USE_TEMPLATE (NODE) \
2267 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
2269 /* The name used by the user to name the typename type. Typically,
2270 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the
2271 corresponding TYPE_DECL. However, this may also be a
2272 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */
2273 #define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values
2275 /* True if a TYPENAME_TYPE was declared as an "enum". */
2276 #define TYPENAME_IS_ENUM_P(NODE) \
2277 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE)))
2279 /* True if a TYPENAME_TYPE was declared as a "class", "struct", or
2281 #define TYPENAME_IS_CLASS_P(NODE) \
2282 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE)))
2284 /* Nonzero in INTEGER_CST means that this int is negative by dint of
2285 using a twos-complement negated operand. */
2286 #define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE))
2290 A class that declares or inherits a virtual function is called a
2291 polymorphic class. */
2292 #define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE))
2294 /* Nonzero if this class has a virtual function table pointer. */
2295 #define TYPE_CONTAINS_VPTR_P(NODE) \
2296 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE))
2298 /* This flag is true of a local VAR_DECL if it was declared in a for
2299 statement, but we are no longer in the scope of the for. */
2300 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE))
2302 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
2303 if we already emitted a warning about using it. */
2304 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
2306 /* Nonzero if NODE is a FUNCTION_DECL (for a function with global
2307 scope) declared in a local scope. */
2308 #define DECL_LOCAL_FUNCTION_P(NODE) \
2309 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
2311 /* Nonzero if NODE is a FUNCTION_DECL for a built-in function, and we have
2312 not yet seen a prototype for that function. */
2313 #define DECL_ANTICIPATED(NODE) \
2314 (DECL_LANG_SPECIFIC (DECL_CHECK (NODE))->decl_flags.anticipated_p)
2316 /* Record whether a typedef for type `int' was actually `signed int'. */
2317 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
2319 /* Returns nonzero if DECL has external linkage, as specified by the
2320 language standard. (This predicate may hold even when the
2321 corresponding entity is not actually given external linkage in the
2322 object file; see decl_linkage for details.) */
2323 #define DECL_EXTERNAL_LINKAGE_P(DECL) \
2324 (decl_linkage (DECL) == lk_external)
2326 /* Keep these codes in ascending code order. CHAR_TYPE is used here
2327 to completely fill the range. */
2329 #define INTEGRAL_CODE_P(CODE) \
2330 ((CODE) == ENUMERAL_TYPE || (CODE) == BOOLEAN_TYPE \
2331 || (CODE) == CHAR_TYPE || (CODE) == INTEGER_TYPE)
2333 /* [basic.fundamental]
2335 Types bool, char, wchar_t, and the signed and unsigned integer types
2336 are collectively called integral types.
2338 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration
2339 types as well, which is incorrect in C++. Keep these checks in
2340 ascending code order. CHAR_TYPE is added to complete the interval of
2342 #define CP_INTEGRAL_TYPE_P(TYPE) \
2343 (TREE_CODE (TYPE) == BOOLEAN_TYPE \
2344 || TREE_CODE (TYPE) == CHAR_TYPE \
2345 || TREE_CODE (TYPE) == INTEGER_TYPE)
2347 /* Returns true if TYPE is an integral or enumeration name. Keep
2348 these checks in ascending code order. */
2349 #define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \
2350 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE))
2352 /* [basic.fundamental]
2354 Integral and floating types are collectively called arithmetic
2355 types. Keep these checks in ascending code order. */
2356 #define ARITHMETIC_TYPE_P(TYPE) \
2357 (CP_INTEGRAL_TYPE_P (TYPE) || TREE_CODE (TYPE) == REAL_TYPE)
2361 Arithmetic types, enumeration types, pointer types, and
2362 pointer-to-member types, are collectively called scalar types.
2363 Keep these checks in ascending code order. */
2364 #define SCALAR_TYPE_P(TYPE) \
2365 (TYPE_PTRMEM_P (TYPE) \
2366 || TREE_CODE (TYPE) == ENUMERAL_TYPE \
2367 || ARITHMETIC_TYPE_P (TYPE) \
2368 || TYPE_PTR_P (TYPE) \
2369 || TYPE_PTRMEMFUNC_P (TYPE))
2373 An aggregate is an array or a class with no user-declared
2374 constructors, no private or protected non-static data members, no
2375 base classes, and no virtual functions.
2377 As an extension, we also treat vectors as aggregates. Keep these
2378 checks in ascending code order. */
2379 #define CP_AGGREGATE_TYPE_P(TYPE) \
2380 (TREE_CODE (TYPE) == VECTOR_TYPE \
2381 ||TREE_CODE (TYPE) == ARRAY_TYPE \
2382 || (CLASS_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE)))
2384 /* Nonzero for a class type means that the class type has a
2385 user-declared constructor. */
2386 #define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE))
2388 /* When appearing in an INDIRECT_REF, it means that the tree structure
2389 underneath is actually a call to a constructor. This is needed
2390 when the constructor must initialize local storage (which can
2391 be automatically destroyed), rather than allowing it to allocate
2392 space from the heap.
2394 When appearing in a SAVE_EXPR, it means that underneath
2395 is a call to a constructor.
2397 When appearing in a CONSTRUCTOR, the expression is a
2400 When appearing in a FIELD_DECL, it means that this field
2401 has been duly initialized in its constructor. */
2402 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE))
2404 /* True if NODE is a brace-enclosed initializer. */
2405 #define BRACE_ENCLOSED_INITIALIZER_P(NODE) \
2406 (TREE_CODE (NODE) == CONSTRUCTOR && !TREE_TYPE (NODE))
2408 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
2409 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE \
2410 && ! TREE_HAS_CONSTRUCTOR (NODE))
2412 /* Nonzero means that an object of this type can not be initialized using
2413 an initializer list. */
2414 #define CLASSTYPE_NON_AGGREGATE(NODE) \
2415 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate)
2416 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
2417 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
2419 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
2420 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
2421 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
2423 /* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
2425 A destructor is trivial if it is an implicitly declared
2428 - all of the direct base classes of its class have trivial
2431 - for all of the non-static data members of its class that are
2432 of class type (or array thereof), each such class has a
2433 trivial destructor. */
2434 #define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \
2435 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE))
2437 /* Nonzero for _TYPE node means that this type does not have a trivial
2438 destructor. Therefore, destroying an object of this type will
2439 involve a call to a destructor. This can apply to objects of
2440 ARRAY_TYPE is the type of the elements needs a destructor. */
2441 #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \
2442 (TYPE_LANG_FLAG_4 (NODE))
2444 /* Nonzero for class type means that copy initialization of this type can use
2446 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
2447 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
2449 /* Nonzero for class type means that assignment of this type can use
2451 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
2452 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
2454 /* Returns true if NODE is a pointer-to-data-member. */
2455 #define TYPE_PTRMEM_P(NODE) \
2456 (TREE_CODE (NODE) == OFFSET_TYPE)
2457 /* Returns true if NODE is a pointer. */
2458 #define TYPE_PTR_P(NODE) \
2459 (TREE_CODE (NODE) == POINTER_TYPE)
2460 /* Returns true if NODE is a pointer to an object. Keep these checks
2461 in ascending tree code order. */
2462 #define TYPE_PTROB_P(NODE) \
2463 (TYPE_PTR_P (NODE) \
2464 && !(TREE_CODE (TREE_TYPE (NODE)) == VOID_TYPE \
2465 || TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
2466 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
2467 /* Returns true if NODE is a reference to an object. Keep these checks
2468 in ascending tree code order. */
2469 #define TYPE_REF_OBJ_P(NODE) \
2470 (TREE_CODE (NODE) == REFERENCE_TYPE \
2471 && !(TREE_CODE (TREE_TYPE (NODE)) == VOID_TYPE \
2472 || TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
2473 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
2474 /* Returns true if NODE is a pointer to an object, or a pointer to
2475 void. Keep these checks in ascending tree code order. */
2476 #define TYPE_PTROBV_P(NODE) \
2477 (TYPE_PTR_P (NODE) \
2478 && !(TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \
2479 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE))
2480 /* Returns true if NODE is a pointer to function. */
2481 #define TYPE_PTRFN_P(NODE) \
2482 (TREE_CODE (NODE) == POINTER_TYPE \
2483 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2484 /* Returns true if NODE is a reference to function. */
2485 #define TYPE_REFFN_P(NODE) \
2486 (TREE_CODE (NODE) == REFERENCE_TYPE \
2487 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
2489 /* Nonzero for _TYPE node means that this type is a pointer to member
2491 #define TYPE_PTRMEMFUNC_P(NODE) \
2492 (TREE_CODE (NODE) == RECORD_TYPE \
2493 && TYPE_LANG_SPECIFIC (NODE) \
2494 && TYPE_PTRMEMFUNC_FLAG (NODE))
2496 #define TYPE_PTRMEMFUNC_FLAG(NODE) \
2497 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag)
2499 /* Returns true if NODE is a pointer-to-member. */
2500 #define TYPE_PTR_TO_MEMBER_P(NODE) \
2501 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE))
2503 /* Indicates when overload resolution may resolve to a pointer to
2504 member function. [expr.unary.op]/3 */
2505 #define PTRMEM_OK_P(NODE) \
2506 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF))
2508 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
2509 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
2510 before using this macro. */
2511 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \
2512 (TREE_TYPE (TYPE_FIELDS (NODE)))
2514 /* Returns `A' for a type like `int (A::*)(double)' */
2515 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
2516 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2518 /* These are use to manipulate the canonical RECORD_TYPE from the
2519 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
2520 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \
2521 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL)
2522 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \
2524 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
2526 TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR \
2527 (struct lang_type, sizeof (struct lang_type_ptrmem)); \
2528 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
2530 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
2533 /* For a pointer-to-member type of the form `T X::*', this is `X'.
2534 For a type like `void (X::*)() const', this type is `X', not `const
2535 X'. To get at the `const X' you have to look at the
2536 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have
2538 #define TYPE_PTRMEM_CLASS_TYPE(NODE) \
2539 (TYPE_PTRMEM_P (NODE) \
2540 ? TYPE_OFFSET_BASETYPE (NODE) \
2541 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE))
2543 /* For a pointer-to-member type of the form `T X::*', this is `T'. */
2544 #define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \
2545 (TYPE_PTRMEM_P (NODE) \
2546 ? TREE_TYPE (NODE) \
2547 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
2549 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
2551 #define PTRMEM_CST_CLASS(NODE) \
2552 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE)))
2554 /* For a pointer-to-member constant `X::Y' this is the _DECL for
2556 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member)
2558 /* The expression in question for a TYPEOF_TYPE. */
2559 #define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values
2561 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
2562 specified in its declaration. This can also be set for an
2563 erroneously declared PARM_DECL. */
2564 #define DECL_THIS_EXTERN(NODE) \
2565 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2567 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
2568 specified in its declaration. This can also be set for an
2569 erroneously declared PARM_DECL. */
2570 #define DECL_THIS_STATIC(NODE) \
2571 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE))
2573 /* Nonzero for FIELD_DECL node means that this field is a base class
2574 of the parent object, as opposed to a member field. */
2575 #define DECL_FIELD_IS_BASE(NODE) \
2576 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
2578 /* Nonzero if TYPE is an anonymous union or struct type. We have to use a
2579 flag for this because "A union for which objects or pointers are
2580 declared is not an anonymous union" [class.union]. */
2581 #define ANON_AGGR_TYPE_P(NODE) \
2582 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr)
2583 #define SET_ANON_AGGR_TYPE_P(NODE) \
2584 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1)
2586 /* Nonzero if TYPE is an anonymous union type. */
2587 #define ANON_UNION_TYPE_P(NODE) \
2588 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
2590 #define UNKNOWN_TYPE LANG_TYPE
2592 /* Define fields and accessors for nodes representing declared names. */
2594 #define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
2596 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
2598 /* The format of each node in the DECL_FRIENDLIST is as follows:
2600 The TREE_PURPOSE will be the name of a function, i.e., an
2601 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose
2602 TREE_VALUEs are friends with the given name. */
2603 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
2604 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2605 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2607 /* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of
2608 each node is a type; the TREE_VALUE is the access granted for this
2609 DECL in that type. The DECL_ACCESS is set by access declarations.
2610 For example, if a member that would normally be public in a
2611 derived class is made protected, then the derived class and the
2612 protected_access_node will appear in the DECL_ACCESS for the node. */
2613 #define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access)
2615 /* Nonzero if the FUNCTION_DECL is a global constructor. */
2616 #define DECL_GLOBAL_CTOR_P(NODE) \
2617 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_ctor_p)
2619 /* Nonzero if the FUNCTION_DECL is a global destructor. */
2620 #define DECL_GLOBAL_DTOR_P(NODE) \
2621 (DECL_LANG_SPECIFIC (NODE)->decl_flags.global_dtor_p)
2623 /* Accessor macros for C++ template decl nodes. */
2625 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
2626 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the
2627 template parameters, with 1 being the outermost set of template
2628 parameters. The TREE_VALUE is a vector, whose elements are the
2629 template parameters at each level. Each element in the vector is a
2630 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
2631 non-type parameter), or a TYPE_DECL (if the parameter is a type
2632 parameter). The TREE_PURPOSE is the default value, if any. The
2633 TEMPLATE_PARM_INDEX for the parameter is available as the
2634 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
2636 #define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS (NODE)
2637 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
2638 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
2639 #define DECL_NTPARMS(NODE) \
2640 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
2641 /* For function, method, class-data templates. */
2642 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE)
2643 /* For a static member variable template, the
2644 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
2645 implicitly generated instantiations of the variable. There are no
2646 partial instantiations of static member variables, so all of these
2647 will be full instantiations.
2649 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
2650 all instantiations and specializations of the class type, including
2651 partial instantiations and partial specializations.
2653 In both cases, the TREE_PURPOSE of each node contains the arguments
2654 used; the TREE_VALUE contains the generated variable. The template
2655 arguments are always complete. For example, given:
2657 template <class T> struct S1 {
2658 template <class U> struct S2 {};
2659 template <class U> struct S2<U*> {};
2662 the record for the partial specialization will contain, as its
2663 argument list, { {T}, {U*} }, and will be on the
2664 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
2665 <class U> struct S1<T>::S2'.
2667 This list is not used for function templates. */
2668 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE)
2669 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
2670 contains all instantiations and specializations of the function,
2671 including partial instantiations. For a partial instantiation
2672 which is a specialization, this list holds only full
2673 specializations of the template that are instantiations of the
2674 partial instantiation. For example, given:
2676 template <class T> struct S {
2677 template <class U> void f(U);
2678 template <> void f(T);
2681 the `S<int>::f<int>(int)' function will appear on the
2682 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
2683 template <class U> void S<T>::f(U)' and `template <class T> void
2684 S<int>::f(T)'. In the latter case, however, it will have only the
2685 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
2686 for the function declaration will point at the specialization, not
2687 the fully general template.
2689 For a class template, this list contains the partial
2690 specializations of this template. (Full specializations are not
2691 recorded on this list.) The TREE_PURPOSE holds the innermost
2692 arguments used in the partial specialization (e.g., for `template
2693 <class T> struct S<T*, int>' this will be `T*'.) The TREE_VALUE
2694 holds the innermost template parameters for the specialization
2695 (e.g., `T' in the example above.) The TREE_TYPE is the _TYPE node
2696 for the partial specialization.
2698 This list is not used for static variable templates. */
2699 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE)
2701 /* Nonzero for a DECL which is actually a template parameter. Keep
2702 these checks in ascending tree code order. */
2703 #define DECL_TEMPLATE_PARM_P(NODE) \
2704 (DECL_LANG_FLAG_0 (NODE) \
2705 && (TREE_CODE (NODE) == CONST_DECL \
2706 || TREE_CODE (NODE) == PARM_DECL \
2707 || TREE_CODE (NODE) == TYPE_DECL \
2708 || TREE_CODE (NODE) == TEMPLATE_DECL))
2710 /* Mark NODE as a template parameter. */
2711 #define SET_DECL_TEMPLATE_PARM_P(NODE) \
2712 (DECL_LANG_FLAG_0 (NODE) = 1)
2714 /* Nonzero if NODE is a template template parameter. */
2715 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
2716 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
2718 /* Nonzero if NODE is a TEMPLATE_DECL representing an
2719 UNBOUND_CLASS_TEMPLATE tree node. */
2720 #define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
2721 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
2723 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
2724 (TREE_CODE (NODE) == TEMPLATE_DECL \
2725 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2726 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
2728 /* Nonzero for a DECL that represents a template class. */
2729 #define DECL_CLASS_TEMPLATE_P(NODE) \
2730 (TREE_CODE (NODE) == TEMPLATE_DECL \
2731 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
2732 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
2733 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
2735 /* Nonzero if NODE which declares a type. */
2736 #define DECL_DECLARES_TYPE_P(NODE) \
2737 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
2739 /* Nonzero if NODE is the typedef implicitly generated for a type when
2740 the type is declared. In C++, `struct S {};' is roughly
2741 equivalent to `struct S {}; typedef struct S S;' in C.
2742 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this
2743 example. In C++, there is a second implicit typedef for each
2744 class, in the scope of `S' itself, so that you can say `S::S'.
2745 DECL_SELF_REFERENCE_P will hold for that second typedef. */
2746 #define DECL_IMPLICIT_TYPEDEF_P(NODE) \
2747 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE))
2748 #define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \
2749 (DECL_LANG_FLAG_2 (NODE) = 1)
2750 #define DECL_SELF_REFERENCE_P(NODE) \
2751 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE))
2752 #define SET_DECL_SELF_REFERENCE_P(NODE) \
2753 (DECL_LANG_FLAG_4 (NODE) = 1)
2755 /* A `primary' template is one that has its own template header. A
2756 member function of a class template is a template, but not primary.
2757 A member template is primary. Friend templates are primary, too. */
2759 /* Returns the primary template corresponding to these parameters. */
2760 #define DECL_PRIMARY_TEMPLATE(NODE) \
2761 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
2763 /* Returns nonzero if NODE is a primary template. */
2764 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE))
2766 /* Indicates whether or not (and how) a template was expanded for this
2767 FUNCTION_DECL or VAR_DECL.
2768 0=normal declaration, e.g. int min (int, int);
2769 1=implicit template instantiation
2770 2=explicit template specialization, e.g. int min<int> (int, int);
2771 3=explicit template instantiation, e.g. template int min<int> (int, int);
2773 If DECL_USE_TEMPLATE is non-zero, then DECL_TEMPLATE_INFO will also
2775 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.use_template)
2777 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
2778 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
2779 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
2781 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
2782 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
2784 /* Returns true for an explicit or partial specialization of a class
2786 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2787 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
2788 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
2789 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
2791 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
2792 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
2793 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2794 (CLASSTYPE_USE_TEMPLATE (NODE) == 1)
2795 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
2796 (CLASSTYPE_USE_TEMPLATE (NODE) = 1)
2798 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
2799 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
2800 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2801 (CLASSTYPE_USE_TEMPLATE (NODE) == 3)
2802 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
2803 (CLASSTYPE_USE_TEMPLATE (NODE) = 3)
2805 /* Nonzero if DECL is a friend function which is an instantiation
2806 from the point of view of the compiler, but not from the point of
2807 view of the language. For example given:
2808 template <class T> struct S { friend void f(T) {}; };
2809 the declaration of `void f(int)' generated when S<int> is
2810 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
2811 a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
2812 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
2813 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
2815 /* Nonzero iff we are currently processing a declaration for an
2816 entity with its own template parameter list, and which is not a
2817 full specialization. */
2818 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
2819 (processing_template_decl > template_class_depth (current_scope ()))
2821 /* Nonzero if this VAR_DECL or FUNCTION_DECL has already been
2822 instantiated, i.e. its definition has been generated from the
2823 pattern given in the template. */
2824 #define DECL_TEMPLATE_INSTANTIATED(NODE) \
2825 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE))
2827 /* We know what we're doing with this decl now. */
2828 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
2830 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
2831 so that assemble_external will work properly. So we have this flag to
2832 tell us whether the decl is really not external. */
2833 #define DECL_NOT_REALLY_EXTERN(NODE) \
2834 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
2836 #define DECL_REALLY_EXTERN(NODE) \
2837 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
2839 /* A thunk is a stub function.
2841 A thunk is an alternate entry point for an ordinary FUNCTION_DECL.
2842 The address of the ordinary FUNCTION_DECL is given by the
2843 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a
2844 FUNCTION_DECL. The job of the thunk is to either adjust the this
2845 pointer before transferring control to the FUNCTION_DECL, or call
2846 FUNCTION_DECL and then adjust the result value. Note, the result
2847 pointer adjusting thunk must perform a call to the thunked
2848 function, (or be implemented via passing some invisible parameter
2849 to the thunked function, which is modified to perform the
2850 adjustment just before returning).
2852 A thunk may perform either, or both, of the following operations:
2854 o Adjust the this or result pointer by a constant offset.
2855 o Adjust the this or result pointer by looking up a vcall or vbase offset
2858 A this pointer adjusting thunk converts from a base to a derived
2859 class, and hence adds the offsets. A result pointer adjusting thunk
2860 converts from a derived class to a base, and hence subtracts the
2861 offsets. If both operations are performed, then the constant
2862 adjustment is performed first for this pointer adjustment and last
2863 for the result pointer adjustment.
2865 The constant adjustment is given by THUNK_FIXED_OFFSET. If the
2866 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
2867 used. For this pointer adjusting thunks, it is the vcall offset
2868 into the vtable. For result pointer adjusting thunks it is the
2869 binfo of the virtual base to convert to. Use that binfo's vbase
2872 It is possible to have equivalent covariant thunks. These are
2873 distinct virtual covariant thunks whose vbase offsets happen to
2874 have the same value. THUNK_ALIAS is used to pick one as the
2875 canonical thunk, which will get all the this pointer adjusting
2876 thunks attached to it. */
2878 /* An integer indicating how many bytes should be subtracted from the
2879 this or result pointer when this function is called. */
2880 #define THUNK_FIXED_OFFSET(DECL) \
2881 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.f.u5.fixed_offset)
2883 /* A tree indicating how to perform the virtual adjustment. For a this
2884 adjusting thunk it is the number of bytes to be added to the vtable
2885 to find the vcall offset. For a result adjusting thunk, it is the
2886 binfo of the relevant virtual base. If NULL, then there is no
2887 virtual adjust. (The vptr is always located at offset zero from
2888 the this or result pointer.) (If the covariant type is within the
2889 class hierarchy being laid out, the vbase index is not yet known
2890 at the point we need to create the thunks, hence the need to use
2893 #define THUNK_VIRTUAL_OFFSET(DECL) \
2894 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access)
2896 /* A thunk which is equivalent to another thunk. */
2897 #define THUNK_ALIAS(DECL) \
2898 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.template_info)
2900 /* For thunk NODE, this is the FUNCTION_DECL thunked to. It is
2901 possible for the target to be a thunk too. */
2902 #define THUNK_TARGET(NODE) \
2903 (DECL_LANG_SPECIFIC (NODE)->u.f.befriending_classes)
2905 /* These macros provide convenient access to the various _STMT nodes
2906 created when parsing template declarations. */
2907 #define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
2908 #define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
2910 #define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0)
2911 #define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1)
2913 #define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0)
2915 /* Nonzero if this try block is a function try block. */
2916 #define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
2917 #define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0)
2918 #define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1)
2919 #define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE))
2921 /* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run
2922 and the VAR_DECL for which this cleanup exists. */
2923 #define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
2924 #define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
2925 #define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
2927 /* IF_STMT accessors. These give access to the condition of the if
2928 statement, the then block of the if statement, and the else block
2929 of the if statement if it exists. */
2930 #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
2931 #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
2932 #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
2934 /* WHILE_STMT accessors. These give access to the condition of the
2935 while statement and the body of the while statement, respectively. */
2936 #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
2937 #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
2939 /* DO_STMT accessors. These give access to the condition of the do
2940 statement and the body of the do statement, respectively. */
2941 #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
2942 #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
2944 /* FOR_STMT accessors. These give access to the init statement,
2945 condition, update expression, and body of the for statement,
2947 #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
2948 #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
2949 #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
2950 #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
2952 #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
2953 #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
2954 #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
2956 /* STMT_EXPR accessor. */
2957 #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
2959 /* EXPR_STMT accessor. This gives the expression associated with an
2960 expression statement. */
2961 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
2963 /* An enumeration of the kind of tags that C++ accepts. */
2965 none_type = 0, /* Not a tag type. */
2966 record_type, /* "struct" types. */
2967 class_type, /* "class" types. */
2968 union_type, /* "union" types. */
2969 enum_type, /* "enum" types. */
2970 typename_type /* "typename" types. */
2973 /* The various kinds of lvalues we distinguish. */
2974 typedef enum cp_lvalue_kind {
2975 clk_none = 0, /* Things that are not an lvalue. */
2976 clk_ordinary = 1, /* An ordinary lvalue. */
2977 clk_class = 2, /* An rvalue of class-type. */
2978 clk_bitfield = 4, /* An lvalue for a bit-field. */
2979 clk_packed = 8 /* An lvalue for a packed field. */
2982 /* Various kinds of template specialization, instantiation, etc. */
2983 typedef enum tmpl_spec_kind {
2984 tsk_none, /* Not a template at all. */
2985 tsk_invalid_member_spec, /* An explicit member template
2986 specialization, but the enclosing
2987 classes have not all been explicitly
2989 tsk_invalid_expl_inst, /* An explicit instantiation containing
2990 template parameter lists. */
2991 tsk_excessive_parms, /* A template declaration with too many
2992 template parameter lists. */
2993 tsk_insufficient_parms, /* A template declaration with too few
2995 tsk_template, /* A template declaration. */
2996 tsk_expl_spec, /* An explicit specialization. */
2997 tsk_expl_inst /* An explicit instantiation. */
3000 /* The various kinds of access. BINFO_ACCESS depends on these being
3001 two bit quantities. The numerical values are important; they are
3002 used to initialize RTTI data structures, so changing them changes
3004 typedef enum access_kind {
3005 ak_none = 0, /* Inaccessible. */
3006 ak_public = 1, /* Accessible, as a `public' thing. */
3007 ak_protected = 2, /* Accessible, as a `protected' thing. */
3008 ak_private = 3 /* Accessible, as a `private' thing. */
3011 /* The various kinds of special functions. If you add to this list,
3012 you should update special_function_p as well. */
3013 typedef enum special_function_kind {
3014 sfk_none = 0, /* Not a special function. This enumeral
3015 must have value zero; see
3016 special_function_p. */
3017 sfk_constructor, /* A constructor. */
3018 sfk_copy_constructor, /* A copy constructor. */
3019 sfk_assignment_operator, /* An assignment operator. */
3020 sfk_destructor, /* A destructor. */
3021 sfk_complete_destructor, /* A destructor for complete objects. */
3022 sfk_base_destructor, /* A destructor for base subobjects. */
3023 sfk_deleting_destructor, /* A destructor for complete objects that
3024 deletes the object after it has been
3026 sfk_conversion /* A conversion operator. */
3027 } special_function_kind;
3029 /* The various kinds of linkage. From [basic.link],
3031 A name is said to have linkage when it might denote the same
3032 object, reference, function, type, template, namespace or value
3033 as a name introduced in another scope:
3035 -- When a name has external linkage, the entity it denotes can
3036 be referred to from scopes of other translation units or from
3037 other scopes of the same translation unit.
3039 -- When a name has internal linkage, the entity it denotes can
3040 be referred to by names from other scopes in the same
3043 -- When a name has no linkage, the entity it denotes cannot be
3044 referred to by names from other scopes. */
3046 typedef enum linkage_kind {
3047 lk_none, /* No linkage. */
3048 lk_internal, /* Internal linkage. */
3049 lk_external /* External linkage. */
3052 /* Bitmask flags to control type substitution. */
3053 typedef enum tsubst_flags_t {
3054 tf_none = 0, /* nothing special */
3055 tf_error = 1 << 0, /* give error messages */
3056 tf_warning = 1 << 1, /* give warnings too */
3057 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */
3058 tf_keep_type_decl = 1 << 3, /* retain typedef type decls
3059 (make_typename_type use) */
3060 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal
3061 instantiate_type use) */
3062 tf_user = 1 << 5, /* found template must be a user template
3063 (lookup_template_class use) */
3064 tf_conv = 1 << 6 /* We are determining what kind of
3065 conversion might be permissible,
3066 not actually performing the
3070 /* The kind of checking we can do looking in a class hierarchy. */
3071 typedef enum base_access {
3072 ba_any = 0, /* Do not check access, allow an ambiguous base,
3073 prefer a non-virtual base */
3074 ba_unique = 1 << 0, /* Must be a unique base. */
3075 ba_check_bit = 1 << 1, /* Check access. */
3076 ba_check = ba_unique | ba_check_bit,
3077 ba_ignore_scope = 1 << 2, /* Ignore access allowed by local scope. */
3078 ba_quiet = 1 << 3 /* Do not issue error messages. */
3081 /* The various kinds of access check during parsing. */
3082 typedef enum deferring_kind {
3083 dk_no_deferred = 0, /* Check access immediately */
3084 dk_deferred = 1, /* Deferred check */
3085 dk_no_check = 2 /* No access check */
3088 /* The kind of base we can find, looking in a class hierarchy.
3089 Values <0 indicate we failed. */
3090 typedef enum base_kind {
3091 bk_inaccessible = -3, /* The base is inaccessible */
3092 bk_ambig = -2, /* The base is ambiguous */
3093 bk_not_base = -1, /* It is not a base */
3094 bk_same_type = 0, /* It is the same type */
3095 bk_proper_base = 1, /* It is a proper base */
3096 bk_via_virtual = 2 /* It is a proper base, but via a virtual
3097 path. This might not be the canonical
3102 /* A node that is a list (length 1) of error_mark_nodes. */
3103 extern GTY(()) tree error_mark_list;
3105 /* Node for "pointer to (virtual) function".
3106 This may be distinct from ptr_type_node so gdb can distinguish them. */
3107 #define vfunc_ptr_type_node vtable_entry_type
3110 /* For building calls to `delete'. */
3111 extern GTY(()) tree integer_two_node;
3112 extern GTY(()) tree integer_three_node;
3114 /* The number of function bodies which we are currently processing.
3115 (Zero if we are at namespace scope, one inside the body of a
3116 function, two inside the body of a function in a local class, etc.) */
3117 extern int function_depth;
3121 /* These values are used for the `STRICT' parameter to type_unification and
3122 fn_type_unification. Their meanings are described with the
3123 documentation for fn_type_unification. */
3125 typedef enum unification_kind_t {
3129 } unification_kind_t;
3131 /* Macros for operating on a template instantiation level node. */
3133 #define TINST_DECL(NODE) \
3134 (((tinst_level_t) TINST_LEVEL_CHECK (NODE))->decl)
3135 #define TINST_LOCATION(NODE) \
3136 (((tinst_level_t) TINST_LEVEL_CHECK (NODE))->locus)
3137 #define TINST_IN_SYSTEM_HEADER_P(NODE) \
3138 (((tinst_level_t) TINST_LEVEL_CHECK (NODE))->in_system_header_p)
3142 extern int current_class_depth;
3144 /* An array of all local classes present in this translation unit, in
3145 declaration order. */
3146 extern GTY(()) VEC(tree,gc) *local_classes;
3148 /* Here's where we control how name mangling takes place. */
3150 /* Cannot use '$' up front, because this confuses gdb
3151 (names beginning with '$' are gdb-local identifiers).
3153 Note that all forms in which the '$' is significant are long enough
3154 for direct indexing (meaning that if we know there is a '$'
3155 at a particular location, we can index into the string at
3156 any other location that provides distinguishing characters). */
3158 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
3159 doesn't allow '$' in symbol names. */
3160 #ifndef NO_DOLLAR_IN_LABEL
3164 #define AUTO_TEMP_NAME "_$tmp_"
3165 #define VFIELD_BASE "$vf"
3166 #define VFIELD_NAME "_vptr$"
3167 #define VFIELD_NAME_FORMAT "_vptr$%s"
3168 #define ANON_AGGRNAME_FORMAT "$_%d"
3170 #else /* NO_DOLLAR_IN_LABEL */
3172 #ifndef NO_DOT_IN_LABEL
3176 #define AUTO_TEMP_NAME "_.tmp_"
3177 #define VFIELD_BASE ".vf"
3178 #define VFIELD_NAME "_vptr."
3179 #define VFIELD_NAME_FORMAT "_vptr.%s"
3181 #define ANON_AGGRNAME_FORMAT "._%d"
3183 #else /* NO_DOT_IN_LABEL */
3185 #define IN_CHARGE_NAME "__in_chrg"
3186 #define AUTO_TEMP_NAME "__tmp_"
3187 #define TEMP_NAME_P(ID_NODE) \
3188 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
3189 sizeof (AUTO_TEMP_NAME) - 1))
3190 #define VTABLE_NAME "__vt_"
3191 #define VTABLE_NAME_P(ID_NODE) \
3192 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
3193 sizeof (VTABLE_NAME) - 1))
3194 #define VFIELD_BASE "__vfb"
3195 #define VFIELD_NAME "__vptr_"
3196 #define VFIELD_NAME_P(ID_NODE) \
3197 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
3198 sizeof (VFIELD_NAME) - 1))
3199 #define VFIELD_NAME_FORMAT "__vptr_%s"
3201 #define ANON_AGGRNAME_PREFIX "__anon_"
3202 #define ANON_AGGRNAME_P(ID_NODE) \
3203 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
3204 sizeof (ANON_AGGRNAME_PREFIX) - 1))
3205 #define ANON_AGGRNAME_FORMAT "__anon_%d"
3207 #endif /* NO_DOT_IN_LABEL */
3208 #endif /* NO_DOLLAR_IN_LABEL */
3210 #define THIS_NAME "this"
3212 #define IN_CHARGE_NAME "__in_chrg"
3214 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
3215 #define VTABLE_DELTA_NAME "__delta"
3216 #define VTABLE_PFN_NAME "__pfn"
3218 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
3220 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
3221 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
3222 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
3224 #define TEMP_NAME_P(ID_NODE) \
3225 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
3226 #define VFIELD_NAME_P(ID_NODE) \
3227 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
3229 /* For anonymous aggregate types, we need some sort of name to
3230 hold on to. In practice, this should not appear, but it should
3231 not be harmful if it does. */
3232 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
3233 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
3234 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
3236 /* Returns nonzero iff NODE is a declaration for the global function
3238 #define DECL_MAIN_P(NODE) \
3239 (DECL_EXTERN_C_FUNCTION_P (NODE) \
3240 && DECL_NAME (NODE) != NULL_TREE \
3241 && MAIN_NAME_P (DECL_NAME (NODE)))
3244 /* Nonzero if we're done parsing and into end-of-file activities. */
3248 /* A list of namespace-scope objects which have constructors or
3249 destructors which reside in the global scope. The decl is stored
3250 in the TREE_VALUE slot and the initializer is stored in the
3251 TREE_PURPOSE slot. */
3252 extern GTY(()) tree static_aggregates;
3254 /* Functions called along with real static constructors and destructors. */
3256 extern GTY(()) tree static_ctors;
3257 extern GTY(()) tree static_dtors;
3259 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
3261 /* These are uses as bits in flags passed to build_new_method_call
3262 to control its error reporting behavior.
3264 LOOKUP_PROTECT means flag access violations.
3265 LOOKUP_COMPLAIN mean complain if no suitable member function
3266 matching the arguments is found.
3267 LOOKUP_NORMAL is just a combination of these two.
3268 LOOKUP_NONVIRTUAL means make a direct call to the member function found
3269 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
3270 DIRECT_BIND means that if a temporary is created, it should be created so
3271 that it lives as long as the current variable bindings; otherwise it
3272 only lives until the end of the complete-expression. It also forces
3273 direct-initialization in cases where other parts of the compiler have
3274 already generated a temporary, such as reference initialization and the
3276 LOOKUP_NO_CONVERSION means that user-defined conversions are not
3277 permitted. Built-in conversions are permitted.
3278 LOOKUP_DESTRUCTOR means explicit call to destructor.
3279 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references.
3281 These are used in global lookup to support elaborated types and
3284 LOOKUP_PREFER_TYPES means not to accept objects, and possibly namespaces.
3285 LOOKUP_PREFER_NAMESPACES means not to accept objects, and possibly types.
3286 LOOKUP_PREFER_BOTH means class-or-namespace-name. */
3288 #define LOOKUP_PROTECT (1 << 0)
3289 #define LOOKUP_COMPLAIN (1 << 1)
3290 #define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN)
3291 #define LOOKUP_NONVIRTUAL (1 << 2)
3292 #define LOOKUP_ONLYCONVERTING (1 << 3)
3293 #define DIRECT_BIND (1 << 4)
3294 #define LOOKUP_NO_CONVERSION (1 << 5)
3295 #define LOOKUP_DESTRUCTOR (1 << 6)
3296 #define LOOKUP_NO_TEMP_BIND (1 << 7)
3297 #define LOOKUP_PREFER_TYPES (1 << 8)
3298 #define LOOKUP_PREFER_NAMESPACES (1 << 9)
3299 #define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES)
3300 #define LOOKUP_CONSTRUCTOR_CALLABLE (1 << 10)
3302 #define LOOKUP_NAMESPACES_ONLY(F) \
3303 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
3304 #define LOOKUP_TYPES_ONLY(F) \
3305 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES))
3306 #define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH)
3309 /* These flags are used by the conversion code.
3310 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
3311 CONV_STATIC : Perform the explicit conversions for static_cast.
3312 CONV_CONST : Perform the explicit conversions for const_cast.
3313 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
3314 CONV_PRIVATE : Perform upcasts to private bases.
3315 CONV_FORCE_TEMP : Require a new temporary when converting to the same
3318 #define CONV_IMPLICIT 1
3319 #define CONV_STATIC 2
3320 #define CONV_CONST 4
3321 #define CONV_REINTERPRET 8
3322 #define CONV_PRIVATE 16
3323 /* #define CONV_NONCONVERTING 32 */
3324 #define CONV_FORCE_TEMP 64
3325 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3327 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
3328 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
3330 /* Used by build_expr_type_conversion to indicate which types are
3331 acceptable as arguments to the expression under consideration. */
3333 #define WANT_INT 1 /* integer types, including bool */
3334 #define WANT_FLOAT 2 /* floating point types */
3335 #define WANT_ENUM 4 /* enumerated types */
3336 #define WANT_POINTER 8 /* pointer types */
3337 #define WANT_NULL 16 /* null pointer constant */
3338 #define WANT_ARITH (WANT_INT | WANT_FLOAT)
3340 /* Used with comptypes, and related functions, to guide type
3343 #define COMPARE_STRICT 0 /* Just check if the types are the
3345 #define COMPARE_BASE 1 /* Check to see if the second type is
3346 derived from the first. */
3347 #define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in
3349 #define COMPARE_REDECLARATION 4 /* The comparison is being done when
3350 another declaration of an existing
3353 /* Used with push_overloaded_decl. */
3354 #define PUSH_GLOBAL 0 /* Push the DECL into namespace scope,
3355 regardless of the current scope. */
3356 #define PUSH_LOCAL 1 /* Push the DECL into the current
3358 #define PUSH_USING 2 /* We are pushing this DECL as the
3359 result of a using declaration. */
3361 /* Used with start function. */
3362 #define SF_DEFAULT 0 /* No flags. */
3363 #define SF_PRE_PARSED 1 /* The function declaration has
3364 already been parsed. */
3365 #define SF_INCLASS_INLINE 2 /* The function is an inline, defined
3366 in the class body. */
3368 /* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2
3369 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a
3370 class derived from the type pointed to (referred to) by TYPE1. */
3371 #define same_or_base_type_p(TYPE1, TYPE2) \
3372 comptypes ((TYPE1), (TYPE2), COMPARE_BASE)
3374 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
3375 #define TEMPLATE_PARM_INDEX_CAST(NODE) \
3376 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE))
3377 #define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index)
3378 #define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level)
3379 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
3380 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level)
3381 #define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl)
3383 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM,
3384 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */
3385 #define TEMPLATE_TYPE_PARM_INDEX(NODE) \
3386 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \
3387 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values
3388 #define TEMPLATE_TYPE_IDX(NODE) \
3389 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3390 #define TEMPLATE_TYPE_LEVEL(NODE) \
3391 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3392 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
3393 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3394 #define TEMPLATE_TYPE_DECL(NODE) \
3395 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
3397 /* These constants can used as bit flags in the process of tree formatting.
3399 TFF_PLAIN_IDENTIFIER: unqualified part of a name.
3400 TFF_SCOPE: include the class and namespace scope of the name.
3401 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name.
3402 TFF_DECL_SPECIFIERS: print decl-specifiers.
3403 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with
3404 a class-key (resp. `enum').
3405 TFF_RETURN_TYPE: include function return type.
3406 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values.
3407 TFF_EXCEPTION_SPECIFICATION: show function exception specification.
3408 TFF_TEMPLATE_HEADER: show the template<...> header in a
3409 template-declaration.
3410 TFF_TEMPLATE_NAME: show only template-name.
3411 TFF_EXPR_IN_PARENS: parenthesize expressions.
3412 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments. */
3414 #define TFF_PLAIN_IDENTIFIER (0)
3415 #define TFF_SCOPE (1)
3416 #define TFF_CHASE_TYPEDEF (1 << 1)
3417 #define TFF_DECL_SPECIFIERS (1 << 2)
3418 #define TFF_CLASS_KEY_OR_ENUM (1 << 3)
3419 #define TFF_RETURN_TYPE (1 << 4)
3420 #define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5)
3421 #define TFF_EXCEPTION_SPECIFICATION (1 << 6)
3422 #define TFF_TEMPLATE_HEADER (1 << 7)
3423 #define TFF_TEMPLATE_NAME (1 << 8)
3424 #define TFF_EXPR_IN_PARENS (1 << 9)
3425 #define TFF_NO_FUNCTION_ARGUMENTS (1 << 10)
3427 /* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM
3429 #define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \
3430 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \
3431 ? TYPE_TI_TEMPLATE (NODE) \
3436 extern void init_reswords (void);
3438 /* Indexed by TREE_CODE, these tables give C-looking names to
3439 operators represented by TREE_CODES. For example,
3440 opname_tab[(int) MINUS_EXPR] == "-". */
3441 extern const char **opname_tab, **assignop_tab;
3443 typedef struct operator_name_info_t GTY(())
3445 /* The IDENTIFIER_NODE for the operator. */
3447 /* The name of the operator. */
3449 /* The mangled name of the operator. */
3450 const char *mangled_name;
3451 /* The arity of the operator. */
3453 } operator_name_info_t;
3455 /* A mapping from tree codes to operator name information. */
3456 extern GTY(()) operator_name_info_t operator_name_info
3457 [(int) LAST_CPLUS_TREE_CODE];
3458 /* Similar, but for assignment operators. */
3459 extern GTY(()) operator_name_info_t assignment_operator_name_info
3460 [(int) LAST_CPLUS_TREE_CODE];
3462 /* A type-qualifier, or bitmask therefore, using the TYPE_QUAL
3465 typedef int cp_cv_quals;
3467 /* A storage class. */
3469 typedef enum cp_storage_class {
3470 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq
3471 sets the storage_class field to sc_none. */
3480 /* An individual decl-specifier. */
3482 typedef enum cp_decl_spec {
3484 ds_signed = ds_first,
3501 /* A decl-specifier-seq. */
3503 typedef struct cp_decl_specifier_seq {
3504 /* The number of times each of the keywords has been seen. */
3505 unsigned specs[(int) ds_last];
3506 /* The primary type, if any, given by the decl-specifier-seq.
3507 Modifiers, like "short", "const", and "unsigned" are not
3508 reflected here. This field will be a TYPE, unless a typedef-name
3509 was used, in which case it will be a TYPE_DECL. */
3511 /* The attributes, if any, provided with the specifier sequence. */
3513 /* If non-NULL, a built-in type that the user attempted to redefine
3514 to some other type. */
3515 tree redefined_builtin_type;
3516 /* The storage class specified -- or sc_none if no storage class was
3517 explicitly specified. */
3518 cp_storage_class storage_class;
3519 /* True iff TYPE_SPEC indicates a user-defined type. */
3520 BOOL_BITFIELD user_defined_type_p : 1;
3521 /* True iff multiple types were (erroneously) specified for this
3522 decl-specifier-seq. */
3523 BOOL_BITFIELD multiple_types_p : 1;
3524 /* True iff multiple storage classes were (erroneously) specified
3525 for this decl-specifier-seq. */
3526 BOOL_BITFIELD multiple_storage_classes_p : 1;
3527 /* True iff at least one decl-specifier was found. */
3528 BOOL_BITFIELD any_specifiers_p : 1;
3529 /* True iff "int" was explicitly provided. */
3530 BOOL_BITFIELD explicit_int_p : 1;
3531 /* True iff "char" was explicitly provided. */
3532 BOOL_BITFIELD explicit_char_p : 1;
3533 } cp_decl_specifier_seq;
3535 /* The various kinds of declarators. */
3537 typedef enum cp_declarator_kind {
3545 } cp_declarator_kind;
3549 typedef struct cp_declarator cp_declarator;
3551 typedef struct cp_parameter_declarator cp_parameter_declarator;
3553 /* A parameter, before it has been semantically analyzed. */
3554 struct cp_parameter_declarator {
3555 /* The next parameter, or NULL_TREE if none. */
3556 cp_parameter_declarator *next;
3557 /* The decl-specifiers-seq for the parameter. */
3558 cp_decl_specifier_seq decl_specifiers;
3559 /* The declarator for the parameter. */
3560 cp_declarator *declarator;
3561 /* The default-argument expression, or NULL_TREE, if none. */
3562 tree default_argument;
3563 /* True iff this is the first parameter in the list and the
3564 parameter sequence ends with an ellipsis. */
3569 struct cp_declarator {
3570 /* The kind of declarator. */
3571 cp_declarator_kind kind;
3572 /* Attributes that apply to this declarator. */
3574 /* For all but cdk_id and cdk_error, the contained declarator. For
3575 cdk_id and cdk_error, guaranteed to be NULL. */
3576 cp_declarator *declarator;
3577 location_t id_loc; /* Currently only set for cdk_id. */
3579 /* For identifiers. */
3581 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or
3582 *_TYPE) for this identifier. */
3583 tree qualifying_scope;
3584 /* The unqualified name of the entity -- an IDENTIFIER_NODE,
3585 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */
3586 tree unqualified_name;
3587 /* If this is the name of a function, what kind of special
3588 function (if any). */
3589 special_function_kind sfk;
3591 /* For functions. */
3593 /* The parameters to the function. */
3594 cp_parameter_declarator *parameters;
3595 /* The cv-qualifiers for the function. */
3596 cp_cv_quals qualifiers;
3597 /* The exception-specification for the function. */
3598 tree exception_specification;
3602 /* The bounds to the array. */
3605 /* For cdk_pointer, cdk_reference, and cdk_ptrmem. */
3607 /* The cv-qualifiers for the pointer. */
3608 cp_cv_quals qualifiers;
3609 /* For cdk_ptrmem, the class type containing the member. */
3615 /* An erroneous declarator. */
3616 extern cp_declarator *cp_error_declarator;
3618 /* A parameter list indicating for a function with no parameters,
3619 e.g "int f(void)". */
3620 extern cp_parameter_declarator *no_parameters;
3623 extern bool check_dtor_name (tree, tree);
3625 extern tree build_vfield_ref (tree, tree);
3626 extern tree build_conditional_expr (tree, tree, tree);
3627 extern tree build_addr_func (tree);
3628 extern tree build_call (tree, tree);
3629 extern bool null_ptr_cst_p (tree);
3630 extern bool sufficient_parms_p (tree);
3631 extern tree type_decays_to (tree);
3632 extern tree build_user_type_conversion (tree, tree, int);
3633 extern tree build_new_function_call (tree, tree);
3634 extern tree build_operator_new_call (tree, tree, tree *, tree *);
3635 extern tree build_new_method_call (tree, tree, tree, tree, int);
3636 extern tree build_special_member_call (tree, tree, tree, tree, int);
3637 extern tree build_new_op (enum tree_code, int, tree, tree, tree, bool *);
3638 extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree);
3639 extern bool can_convert (tree, tree);
3640 extern bool can_convert_arg (tree, tree, tree);
3641 extern bool can_convert_arg_bad (tree, tree, tree);
3642 extern bool enforce_access (tree, tree);
3643 extern tree convert_default_arg (tree, tree, tree, int);
3644 extern tree convert_arg_to_ellipsis (tree);
3645 extern tree build_x_va_arg (tree, tree);
3646 extern tree cxx_type_promotes_to (tree);
3647 extern tree type_passed_as (tree);
3648 extern tree convert_for_arg_passing (tree, tree);
3649 extern bool is_properly_derived_from (tree, tree);
3650 extern tree initialize_reference (tree, tree, tree, tree *);
3651 extern tree make_temporary_var_for_ref_to_temp (tree, tree);
3652 extern tree strip_top_quals (tree);
3653 extern tree perform_implicit_conversion (tree, tree);
3654 extern tree perform_direct_initialization_if_possible (tree, tree, bool);
3655 extern tree in_charge_arg_for_name (tree);
3656 extern tree build_cxx_call (tree, tree);
3657 #ifdef ENABLE_CHECKING
3658 extern void validate_conversion_obstack (void);
3659 #endif /* ENABLE_CHECKING */
3662 extern tree build_base_path (enum tree_code, tree, tree, int);
3663 extern tree convert_to_base (tree, tree, bool, bool);
3664 extern tree convert_to_base_statically (tree, tree);
3665 extern tree build_vtbl_ref (tree, tree);
3666 extern tree build_vfn_ref (tree, tree);
3667 extern tree get_vtable_decl (tree, int);
3668 extern void resort_type_method_vec
3669 (void *, void *, gt_pointer_operator, void *);
3670 extern void add_method (tree, tree, tree);
3671 extern int currently_open_class (tree);
3672 extern tree currently_open_derived_class (tree);
3673 extern tree finish_struct (tree, tree);
3674 extern void finish_struct_1 (tree);
3675 extern int resolves_to_fixed_type_p (tree, int *);
3676 extern void init_class_processing (void);
3677 extern int is_empty_class (tree);
3678 extern void pushclass (tree);
3679 extern void popclass (void);
3680 extern void push_nested_class (tree);
3681 extern void pop_nested_class (void);
3682 extern int current_lang_depth (void);
3683 extern void push_lang_context (tree);
3684 extern void pop_lang_context (void);
3685 extern tree instantiate_type (tree, tree, tsubst_flags_t);
3686 extern void print_class_statistics (void);
3687 extern void cxx_print_statistics (void);
3688 extern void cxx_print_xnode (FILE *, tree, int);
3689 extern void cxx_print_decl (FILE *, tree, int);
3690 extern void cxx_print_type (FILE *, tree, int);
3691 extern void cxx_print_identifier (FILE *, tree, int);
3692 extern void cxx_print_error_function (struct diagnostic_context *,
3694 extern void build_self_reference (void);
3695 extern int same_signature_p (tree, tree);
3696 extern void warn_hidden (tree);
3697 extern void maybe_add_class_template_decl_list (tree, tree, int);
3698 extern void unreverse_member_declarations (tree);
3699 extern void invalidate_class_lookup_cache (void);
3700 extern void maybe_note_name_used_in_class (tree, tree);
3701 extern void note_name_declared_in_class (tree, tree);
3702 extern tree get_vtbl_decl_for_binfo (tree);
3703 extern tree get_vtt_name (tree);
3704 extern tree get_primary_binfo (tree);
3705 extern void debug_class (tree);
3706 extern void debug_thunks (tree);
3707 extern tree cp_fold_obj_type_ref (tree, tree);
3708 extern void set_linkage_according_to_type (tree, tree);
3709 extern void determine_key_method (tree);
3710 extern void check_for_override (tree, tree);
3713 extern tree convert_to_reference (tree, tree, int, int, tree);
3714 extern tree convert_from_reference (tree);
3715 extern tree force_rvalue (tree);
3716 extern tree ocp_convert (tree, tree, int, int);
3717 extern tree cp_convert (tree, tree);
3718 extern tree convert_to_void (tree, const char */*implicit context*/);
3719 extern tree convert_force (tree, tree, int);
3720 extern tree build_type_conversion (tree, tree);
3721 extern tree build_expr_type_conversion (int, tree, bool);
3722 extern tree type_promotes_to (tree);
3723 extern tree perform_qualification_conversions (tree, tree);
3724 extern void clone_function_decl (tree, int);
3725 extern void adjust_clone_args (tree);
3728 extern tree poplevel (int, int, int);
3729 extern void insert_block (tree);
3730 extern tree pushdecl (tree);
3731 extern void cxx_init_decl_processing (void);
3732 enum cp_tree_node_structure_enum cp_tree_node_structure
3733 (union lang_tree_node *);
3734 extern bool cxx_mark_addressable (tree);
3735 extern void cxx_push_function_context (struct function *);
3736 extern void cxx_pop_function_context (struct function *);
3737 extern void maybe_push_cleanup_level (tree);
3738 extern void finish_scope (void);
3739 extern void push_switch (tree);
3740 extern void pop_switch (void);
3741 extern tree pushtag (tree, tree, tag_scope);
3742 extern tree make_anon_name (void);
3743 extern int decls_match (tree, tree);
3744 extern tree duplicate_decls (tree, tree);
3745 extern tree pushdecl_top_level (tree);
3746 extern tree pushdecl_top_level_and_finish (tree, tree);
3747 extern tree push_using_decl (tree, tree);
3748 extern tree declare_local_label (tree);
3749 extern tree define_label (location_t, tree);
3750 extern void check_goto (tree);
3751 extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t);
3752 extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t);
3753 extern tree check_for_out_of_scope_variable (tree);
3754 extern tree build_library_fn (tree, tree);
3755 extern tree build_library_fn_ptr (const char *, tree);
3756 extern tree build_cp_library_fn_ptr (const char *, tree);
3757 extern tree push_library_fn (tree, tree);
3758 extern tree push_void_library_fn (tree, tree);
3759 extern tree push_throw_library_fn (tree, tree);
3760 extern tree check_tag_decl (cp_decl_specifier_seq *);
3761 extern tree shadow_tag (cp_decl_specifier_seq *);
3762 extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *);
3763 extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree, tree *);
3764 extern void start_decl_1 (tree);
3765 extern void cp_finish_decl (tree, tree, tree, int);
3766 extern void finish_decl (tree, tree, tree);
3767 extern int cp_complete_array_type (tree *, tree, bool);
3768 extern tree build_ptrmemfunc_type (tree);
3769 extern tree build_ptrmem_type (tree, tree);
3770 /* the grokdeclarator prototype is in decl.h */
3771 extern int copy_fn_p (tree);
3772 extern tree get_scope_of_declarator (const cp_declarator *);
3773 extern void grok_special_member_properties (tree);
3774 extern int grok_ctor_properties (tree, tree);
3775 extern void grok_op_properties (tree, bool);
3776 extern tree xref_tag (enum tag_types, tree, tag_scope, bool);
3777 extern tree xref_tag_from_type (tree, tree, tag_scope);
3778 extern void xref_basetypes (tree, tree);
3779 extern tree start_enum (tree);
3780 extern void finish_enum (tree);
3781 extern void build_enumerator (tree, tree, tree);
3782 extern void start_preparsed_function (tree, tree, int);
3783 extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree);
3784 extern tree begin_function_body (void);
3785 extern void finish_function_body (tree);
3786 extern tree finish_function (int);
3787 extern tree start_method (cp_decl_specifier_seq *, const cp_declarator *, tree);
3788 extern tree finish_method (tree);
3789 extern void maybe_register_incomplete_var (tree);
3790 extern void complete_vars (tree);
3791 extern void finish_stmt (void);
3792 extern void print_other_binding_stack (struct cp_binding_level *);
3793 extern void revert_static_member_fn (tree);
3794 extern void fixup_anonymous_aggr (tree);
3795 extern int check_static_variable_definition (tree, tree);
3796 extern tree compute_array_index_type (tree, tree);
3797 extern tree check_default_argument (tree, tree);
3798 typedef int (*walk_namespaces_fn) (tree, void *);
3799 extern int walk_namespaces (walk_namespaces_fn,
3801 extern int wrapup_globals_for_namespace (tree, void *);
3802 extern tree create_implicit_typedef (tree, tree);
3803 extern tree maybe_push_decl (tree);
3804 extern tree force_target_expr (tree, tree);
3805 extern tree build_target_expr_with_type (tree, tree);
3806 extern int local_variable_p (tree);
3807 extern int nonstatic_local_decl_p (tree);
3808 extern tree declare_global_var (tree, tree);
3809 extern tree register_dtor_fn (tree);
3810 extern tmpl_spec_kind current_tmpl_spec_kind (int);
3811 extern tree cp_fname_init (const char *, tree *);
3812 extern tree builtin_function (const char *name, tree type,
3814 enum built_in_class cl,
3815 const char *libname, tree attrs);
3816 extern tree check_elaborated_type_specifier (enum tag_types, tree, bool);
3817 extern void warn_extern_redeclared_static (tree, tree);
3818 extern const char *cxx_comdat_group (tree);
3819 extern bool cp_missing_noreturn_ok_p (tree);
3820 extern void initialize_artificial_var (tree, tree);
3821 extern tree check_var_type (tree, tree);
3823 extern bool have_extern_spec;
3826 extern bool check_java_method (tree);
3827 extern cp_cv_quals grok_method_quals (tree, tree, cp_cv_quals);
3828 extern void maybe_retrofit_in_chrg (tree);
3829 extern void maybe_make_one_only (tree);
3830 extern void grokclassfn (tree, tree, enum overload_flags, cp_cv_quals);
3831 extern tree grok_array_decl (tree, tree);
3832 extern tree delete_sanity (tree, tree, bool, int);
3833 extern tree check_classfn (tree, tree, tree);
3834 extern void check_member_template (tree);
3835 extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *, tree, tree, tree);
3836 extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *, tree);
3837 extern void cplus_decl_attributes (tree *, tree, int);
3838 extern void finish_anon_union (tree);
3839 extern void cp_finish_file (void);
3840 extern tree coerce_new_type (tree);
3841 extern tree coerce_delete_type (tree);
3842 extern void comdat_linkage (tree);
3843 extern void determine_visibility (tree);
3844 extern void import_export_decl (tree);
3845 extern tree build_cleanup (tree);
3846 extern tree build_offset_ref_call_from_tree (tree, tree);
3847 extern void check_default_args (tree);
3848 extern void mark_used (tree);
3849 extern void finish_static_data_member_decl (tree, tree, tree, int);
3850 extern tree cp_build_parm_decl (tree, tree);
3851 extern tree get_guard (tree);
3852 extern tree get_guard_cond (tree);
3853 extern tree set_guard (tree);
3854 extern tree cxx_callgraph_analyze_expr (tree *, int *, tree);
3855 extern void mark_needed (tree);
3856 extern bool decl_needed_p (tree);
3857 extern void note_vague_linkage_fn (tree);
3860 extern void init_error (void);
3861 extern const char *type_as_string (tree, int);
3862 extern const char *decl_as_string (tree, int);
3863 extern const char *expr_as_string (tree, int);
3864 extern const char *lang_decl_name (tree, int);
3865 extern const char *language_to_string (enum languages);
3866 extern const char *class_key_or_enum_as_string (tree);
3867 extern void print_instantiation_context (void);
3870 extern void init_exception_processing (void);
3871 extern tree expand_start_catch_block (tree);
3872 extern void expand_end_catch_block (void);
3873 extern tree build_exc_ptr (void);
3874 extern tree build_throw (tree);
3875 extern int nothrow_libfn_p (tree);
3876 extern void check_handlers (tree);
3877 extern void choose_personality_routine (enum languages);
3878 extern tree eh_type_info (tree);
3881 extern rtx cxx_expand_expr (tree, rtx,
3884 extern tree cplus_expand_constant (tree);
3887 extern int is_friend (tree, tree);
3888 extern void make_friend_class (tree, tree, bool);
3889 extern void add_friend (tree, tree, bool);
3890 extern tree do_friend (tree, tree, tree, tree, enum overload_flags, cp_cv_quals, int);
3893 extern tree expand_member_init (tree);
3894 extern void emit_mem_initializers (tree);
3895 extern tree build_aggr_init (tree, tree, int);
3896 extern tree build_init (tree, tree, int);
3897 extern int is_aggr_type (tree, int);
3898 extern tree get_type_value (tree);
3899 extern tree build_zero_init (tree, tree, bool);
3900 extern tree build_offset_ref (tree, tree, bool);
3901 extern tree build_new (tree, tree, tree, tree, int);
3902 extern tree build_vec_init (tree, tree, tree, int);
3903 extern tree build_x_delete (tree, int, tree);
3904 extern tree build_delete (tree, tree, special_function_kind, int, int);
3905 extern void push_base_cleanups (void);
3906 extern tree build_vec_delete (tree, tree, special_function_kind, int);
3907 extern tree create_temporary_var (tree);
3908 extern void initialize_vtbl_ptrs (tree);
3909 extern tree build_java_class_ref (tree);
3910 extern tree integral_constant_value (tree);
3913 extern void cxx_dup_lang_specific_decl (tree);
3914 extern void yyungetc (int, int);
3916 extern tree unqualified_name_lookup_error (tree);
3917 extern tree unqualified_fn_lookup_error (tree);
3918 extern tree build_lang_decl (enum tree_code, tree, tree);
3919 extern void retrofit_lang_decl (tree);
3920 extern tree copy_decl (tree);
3921 extern tree copy_type (tree);
3922 extern tree cxx_make_type (enum tree_code);
3923 extern tree make_aggr_type (enum tree_code);
3924 extern void yyerror (const char *);
3925 extern void yyhook (int);
3926 extern bool cxx_init (void);
3927 extern void cxx_finish (void);
3930 extern void init_method (void);
3931 extern tree make_thunk (tree, bool, tree, tree);
3932 extern void finish_thunk (tree);
3933 extern void use_thunk (tree, bool);
3934 extern void synthesize_method (tree);
3935 extern tree implicitly_declare_fn (special_function_kind, tree, bool);
3936 extern tree lazily_declare_fn (special_function_kind, tree);
3937 extern tree skip_artificial_parms_for (tree, tree);
3938 extern tree make_alias_for (tree, tree);
3941 extern bool maybe_clone_body (tree);
3944 extern void check_template_shadow (tree);
3945 extern tree get_innermost_template_args (tree, int);
3946 extern void maybe_begin_member_template_processing (tree);
3947 extern void maybe_end_member_template_processing (void);
3948 extern tree finish_member_template_decl (tree);
3949 extern void begin_template_parm_list (void);
3950 extern void begin_specialization (void);
3951 extern void reset_specialization (void);
3952 extern void end_specialization (void);
3953 extern void begin_explicit_instantiation (void);
3954 extern void end_explicit_instantiation (void);
3955 extern tree check_explicit_specialization (tree, tree, int, int);
3956 extern tree process_template_parm (tree, tree, bool);
3957 extern tree end_template_parm_list (tree);
3958 extern void end_template_decl (void);
3959 extern tree current_template_args (void);
3960 extern tree push_template_decl (tree);
3961 extern tree push_template_decl_real (tree, int);
3962 extern void redeclare_class_template (tree, tree);
3963 extern tree lookup_template_class (tree, tree, tree, tree, int, tsubst_flags_t);
3964 extern tree lookup_template_function (tree, tree);
3965 extern int uses_template_parms (tree);
3966 extern int uses_template_parms_level (tree, int);
3967 extern tree instantiate_class_template (tree);
3968 extern tree instantiate_template (tree, tree, tsubst_flags_t);
3969 extern int fn_type_unification (tree, tree, tree, tree, tree, unification_kind_t);
3970 extern void mark_decl_instantiated (tree, int);
3971 extern int more_specialized_fn (tree, tree, int);
3972 extern void mark_class_instantiated (tree, int);
3973 extern void do_decl_instantiation (tree, tree);
3974 extern void do_type_instantiation (tree, tree, tsubst_flags_t);
3975 extern tree instantiate_decl (tree, int, int);
3976 extern int push_tinst_level (tree);
3977 extern void pop_tinst_level (void);
3978 extern int more_specialized_class (tree, tree, tree);
3979 extern int comp_template_parms (tree, tree);
3980 extern int template_class_depth (tree);
3981 extern int is_specialization_of (tree, tree);
3982 extern bool is_specialization_of_friend (tree, tree);
3983 extern int comp_template_args (tree, tree);
3984 extern void maybe_process_partial_specialization (tree);
3985 extern tree most_specialized_instantiation (tree);
3986 extern void print_candidates (tree);
3987 extern void instantiate_pending_templates (int);
3988 extern tree tsubst_default_argument (tree, tree, tree);
3989 extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t, tree, bool);
3990 extern tree most_general_template (tree);
3991 extern tree get_mostly_instantiated_function_type (tree);
3992 extern int problematic_instantiation_changed (void);
3993 extern void record_last_problematic_instantiation (void);
3994 extern tree current_instantiation (void);
3995 extern tree maybe_get_template_decl_from_type_decl (tree);
3996 extern int processing_template_parmlist;
3997 extern bool dependent_type_p (tree);
3998 extern bool any_dependent_template_arguments_p (tree);
3999 extern bool dependent_template_p (tree);
4000 extern bool dependent_template_id_p (tree, tree);
4001 extern bool type_dependent_expression_p (tree);
4002 extern bool any_type_dependent_arguments_p (tree);
4003 extern bool value_dependent_expression_p (tree);
4004 extern tree resolve_typename_type (tree, bool);
4005 extern tree template_for_substitution (tree);
4006 extern tree build_non_dependent_expr (tree);
4007 extern tree build_non_dependent_args (tree);
4008 extern bool reregister_specialization (tree, tree, tree);
4009 extern tree fold_non_dependent_expr (tree);
4010 extern tree fold_decl_constant_value (tree);
4013 extern void init_repo (void);
4014 extern int repo_emit_p (tree);
4015 extern bool repo_export_class_p (tree);
4016 extern void finish_repo (void);
4019 /* A vector of all tinfo decls that haven't been emitted yet. */
4020 extern GTY(()) VEC(tree,gc) *unemitted_tinfo_decls;
4022 extern void init_rtti_processing (void);
4023 extern tree build_typeid (tree);
4024 extern tree get_tinfo_decl (tree);
4025 extern tree get_typeid (tree);
4026 extern tree build_dynamic_cast (tree, tree);
4027 extern void emit_support_tinfos (void);
4028 extern bool emit_tinfo_decl (tree);
4031 extern bool accessible_base_p (tree, tree, bool);
4032 extern tree lookup_base (tree, tree, base_access, base_kind *);
4033 extern tree dcast_base_hint (tree, tree);
4034 extern int accessible_p (tree, tree, bool);
4035 extern tree lookup_field_1 (tree, tree, bool);
4036 extern tree lookup_field (tree, tree, int, bool);
4037 extern int lookup_fnfields_1 (tree, tree);
4038 extern int class_method_index_for_fn (tree, tree);
4039 extern tree lookup_fnfields (tree, tree, int);
4040 extern tree lookup_member (tree, tree, int, bool);
4041 extern int look_for_overrides (tree, tree);
4042 extern void get_pure_virtuals (tree);
4043 extern void maybe_suppress_debug_info (tree);
4044 extern void note_debug_info_needed (tree);
4045 extern void print_search_statistics (void);
4046 extern void reinit_search_statistics (void);
4047 extern tree current_scope (void);
4048 extern int at_function_scope_p (void);
4049 extern bool at_class_scope_p (void);
4050 extern bool at_namespace_scope_p (void);
4051 extern tree context_for_name_lookup (tree);
4052 extern tree lookup_conversions (tree);
4053 extern tree binfo_from_vbase (tree);
4054 extern tree binfo_for_vbase (tree, tree);
4055 extern tree look_for_overrides_here (tree, tree);
4056 #define dfs_skip_bases ((tree)1)
4057 extern tree dfs_walk_all (tree, tree (*) (tree, void *),
4058 tree (*) (tree, void *), void *);
4059 extern tree dfs_walk_once (tree, tree (*) (tree, void *),
4060 tree (*) (tree, void *), void *);
4061 extern tree binfo_via_virtual (tree, tree);
4062 extern tree build_baselink (tree, tree, tree, tree);
4063 extern tree adjust_result_of_qualified_name_lookup
4065 extern tree copied_binfo (tree, tree);
4066 extern tree original_binfo (tree, tree);
4067 extern int shared_member_p (tree);
4069 /* in semantics.c */
4070 extern void push_deferring_access_checks (deferring_kind);
4071 extern void resume_deferring_access_checks (void);
4072 extern void stop_deferring_access_checks (void);
4073 extern void pop_deferring_access_checks (void);
4074 extern tree get_deferred_access_checks (void);
4075 extern void pop_to_parent_deferring_access_checks (void);
4076 extern void perform_deferred_access_checks (void);
4077 extern void perform_or_defer_access_check (tree, tree);
4078 extern int stmts_are_full_exprs_p (void);
4079 extern void init_cp_semantics (void);
4080 extern tree do_poplevel (tree);
4081 extern void add_decl_expr (tree);
4082 extern tree finish_expr_stmt (tree);
4083 extern tree begin_if_stmt (void);
4084 extern void finish_if_stmt_cond (tree, tree);
4085 extern tree finish_then_clause (tree);
4086 extern void begin_else_clause (tree);
4087 extern void finish_else_clause (tree);
4088 extern void finish_if_stmt (tree);
4089 extern tree begin_while_stmt (void);
4090 extern void finish_while_stmt_cond (tree, tree);
4091 extern void finish_while_stmt (tree);
4092 extern tree begin_do_stmt (void);
4093 extern void finish_do_body (tree);
4094 extern void finish_do_stmt (tree, tree);
4095 extern tree finish_return_stmt (tree);
4096 extern tree begin_for_stmt (void);
4097 extern void finish_for_init_stmt (tree);
4098 extern void finish_for_cond (tree, tree);
4099 extern void finish_for_expr (tree, tree);
4100 extern void finish_for_stmt (tree);
4101 extern tree finish_break_stmt (void);
4102 extern tree finish_continue_stmt (void);
4103 extern tree begin_switch_stmt (void);
4104 extern void finish_switch_cond (tree, tree);
4105 extern void finish_switch_stmt (tree);
4106 extern tree finish_case_label (tree, tree);
4107 extern tree finish_goto_stmt (tree);
4108 extern tree begin_try_block (void);
4109 extern void finish_try_block (tree);
4110 extern tree begin_eh_spec_block (void);
4111 extern void finish_eh_spec_block (tree, tree);
4112 extern void finish_handler_sequence (tree);
4113 extern tree begin_function_try_block (void);
4114 extern void finish_function_try_block (tree);
4115 extern void finish_function_handler_sequence (tree);
4116 extern void finish_cleanup_try_block (tree);
4117 extern tree begin_handler (void);
4118 extern void finish_handler_parms (tree, tree);
4119 extern void finish_handler (tree);
4120 extern void finish_cleanup (tree, tree);
4127 extern tree begin_compound_stmt (unsigned int);
4129 extern void finish_compound_stmt (tree);
4130 extern tree finish_asm_stmt (int, tree, tree, tree, tree);
4131 extern tree finish_label_stmt (tree);
4132 extern void finish_label_decl (tree);
4133 extern tree finish_parenthesized_expr (tree);
4134 extern tree finish_non_static_data_member (tree, tree, tree);
4135 extern tree begin_stmt_expr (void);
4136 extern tree finish_stmt_expr_expr (tree, tree);
4137 extern tree finish_stmt_expr (tree, bool);
4138 extern tree perform_koenig_lookup (tree, tree);
4139 extern tree finish_call_expr (tree, tree, bool, bool);
4140 extern tree finish_increment_expr (tree, enum tree_code);
4141 extern tree finish_this_expr (void);
4142 extern tree finish_pseudo_destructor_expr (tree, tree, tree);
4143 extern tree finish_unary_op_expr (enum tree_code, tree);
4144 extern tree finish_compound_literal (tree, tree);
4145 extern tree finish_fname (tree);
4146 extern void finish_translation_unit (void);
4147 extern tree finish_template_type_parm (tree, tree);
4148 extern tree finish_template_template_parm (tree, tree);
4149 extern tree begin_class_definition (tree);
4150 extern void finish_template_decl (tree);
4151 extern tree finish_template_type (tree, tree, int);
4152 extern tree finish_base_specifier (tree, tree, bool);
4153 extern void finish_member_declaration (tree);
4154 extern void qualified_name_lookup_error (tree, tree, tree);
4155 extern tree finish_id_expression (tree, tree, tree,
4156 cp_id_kind *, tree *,
4159 extern tree finish_typeof (tree);
4160 extern void finish_decl_cleanup (tree, tree);
4161 extern void finish_eh_cleanup (tree);
4162 extern void expand_body (tree);
4163 extern void finish_mem_initializers (tree);
4164 extern tree check_template_template_default_arg (tree);
4165 extern void expand_or_defer_fn (tree);
4166 extern void check_accessibility_of_qualified_id (tree, tree, tree);
4167 extern tree finish_qualified_id_expr (tree, tree, bool, bool);
4168 extern void simplify_aggr_init_expr (tree *);
4169 extern void finalize_nrv (tree *, tree, tree);
4170 extern void note_decl_for_pch (tree);
4173 extern void lang_check_failed (const char *, int,
4175 extern tree stabilize_expr (tree, tree *);
4176 extern void stabilize_call (tree, tree *);
4177 extern bool stabilize_init (tree, tree *);
4178 extern tree add_stmt_to_compound (tree, tree);
4179 extern tree cxx_maybe_build_cleanup (tree);
4180 extern void init_tree (void);
4181 extern int pod_type_p (tree);
4182 extern int zero_init_p (tree);
4183 extern tree canonical_type_variant (tree);
4184 extern tree copy_binfo (tree, tree, tree,
4186 extern int member_p (tree);
4187 extern cp_lvalue_kind real_lvalue_p (tree);
4188 extern bool builtin_valid_in_constant_expr_p (tree);
4189 extern tree build_min (enum tree_code, tree, ...);
4190 extern tree build_min_nt (enum tree_code, ...);
4191 extern tree build_min_non_dep (enum tree_code, tree, ...);
4192 extern tree build_cplus_new (tree, tree);
4193 extern tree get_target_expr (tree);
4194 extern tree build_cplus_array_type (tree, tree);
4195 extern tree hash_tree_cons (tree, tree, tree);
4196 extern tree hash_tree_chain (tree, tree);
4197 extern int is_overloaded_fn (tree);
4198 extern tree get_first_fn (tree);
4199 extern tree ovl_cons (tree, tree);
4200 extern tree build_overload (tree, tree);
4201 extern const char *cxx_printable_name (tree, int);
4202 extern tree build_exception_variant (tree, tree);
4203 extern tree bind_template_template_parm (tree, tree);
4204 extern tree array_type_nelts_total (tree);
4205 extern tree array_type_nelts_top (tree);
4206 extern tree break_out_target_exprs (tree);
4207 extern tree get_type_decl (tree);
4208 extern tree decl_namespace_context (tree);
4209 extern tree lvalue_type (tree);
4210 extern tree error_type (tree);
4211 extern int varargs_function_p (tree);
4212 extern int really_overloaded_fn (tree);
4213 extern bool cp_tree_equal (tree, tree);
4214 extern tree no_linkage_check (tree, bool);
4215 extern void debug_binfo (tree);
4216 extern tree build_dummy_object (tree);
4217 extern tree maybe_dummy_object (tree, tree *);
4218 extern int is_dummy_object (tree);
4219 extern const struct attribute_spec cxx_attribute_table[];
4220 extern tree make_ptrmem_cst (tree, tree);
4221 extern tree cp_build_type_attribute_variant (tree, tree);
4222 extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
4223 #define cp_build_qualified_type(TYPE, QUALS) \
4224 cp_build_qualified_type_real ((TYPE), (QUALS), tf_error | tf_warning)
4225 extern special_function_kind special_function_p (tree);
4226 extern int count_trees (tree);
4227 extern int char_type_p (tree);
4228 extern void verify_stmt_tree (tree);
4229 extern tree find_tree (tree, tree);
4230 extern linkage_kind decl_linkage (tree);
4231 extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn,
4232 void*, struct pointer_set_t*);
4233 extern int cp_cannot_inline_tree_fn (tree*);
4234 extern tree cp_add_pending_fn_decls (void*,tree);
4235 extern int cp_auto_var_in_fn_p (tree,tree);
4236 extern tree fold_if_not_in_template (tree);
4239 extern int string_conv_p (tree, tree, int);
4240 extern tree cp_truthvalue_conversion (tree);
4241 extern tree condition_conversion (tree);
4242 extern tree require_complete_type (tree);
4243 extern tree complete_type (tree);
4244 extern tree complete_type_or_else (tree, tree);
4245 extern int type_unknown_p (tree);
4246 extern tree original_type (tree);
4247 extern bool comp_except_specs (tree, tree, bool);
4248 extern bool comptypes (tree, tree, int);
4249 extern bool compparms (tree, tree);
4250 extern int comp_cv_qualification (tree, tree);
4251 extern int comp_cv_qual_signature (tree, tree);
4252 extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code);
4253 extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool);
4254 #define cxx_sizeof_nowarn(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, false)
4255 extern tree inline_conversion (tree);
4256 extern tree decay_conversion (tree);
4257 extern tree default_conversion (tree);
4258 extern tree build_class_member_access_expr (tree, tree, tree, bool);
4259 extern tree finish_class_member_access_expr (tree, tree);
4260 extern tree build_x_indirect_ref (tree, const char *);
4261 extern tree build_indirect_ref (tree, const char *);
4262 extern tree build_array_ref (tree, tree);
4263 extern tree get_member_function_from_ptrfunc (tree *, tree);
4264 extern tree build_x_binary_op (enum tree_code, tree, tree,
4266 extern tree build_x_unary_op (enum tree_code, tree);
4267 extern tree unary_complex_lvalue (enum tree_code, tree);
4268 extern tree build_x_conditional_expr (tree, tree, tree);
4269 extern tree build_x_compound_expr_from_list (tree, const char *);
4270 extern tree build_x_compound_expr (tree, tree);
4271 extern tree build_compound_expr (tree, tree);
4272 extern tree build_static_cast (tree, tree);
4273 extern tree build_reinterpret_cast (tree, tree);
4274 extern tree build_const_cast (tree, tree);
4275 extern tree build_c_cast (tree, tree);
4276 extern tree build_x_modify_expr (tree, enum tree_code, tree);
4277 extern tree build_modify_expr (tree, enum tree_code, tree);
4278 extern tree convert_for_initialization (tree, tree, tree, int, const char *, tree, int);
4279 extern int comp_ptr_ttypes (tree, tree);
4280 extern int ptr_reasonably_similar (tree, tree);
4281 extern tree build_ptrmemfunc (tree, tree, int, bool);
4282 extern int cp_type_quals (tree);
4283 extern bool cp_has_mutable_p (tree);
4284 extern bool at_least_as_qualified_p (tree, tree);
4285 extern void cp_apply_type_quals_to_decl (int, tree);
4286 extern tree build_ptrmemfunc1 (tree, tree, tree);
4287 extern void expand_ptrmemfunc_cst (tree, tree *, tree *);
4288 extern tree pfn_from_ptrmemfunc (tree);
4289 extern tree type_after_usual_arithmetic_conversions (tree, tree);
4290 extern tree composite_pointer_type (tree, tree, tree, tree,
4292 extern tree merge_types (tree, tree);
4293 extern tree check_return_expr (tree);
4294 #define cp_build_binary_op(code, arg1, arg2) \
4295 build_binary_op(code, arg1, arg2, 1)
4296 #define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true)
4297 extern tree build_ptrmemfunc_access_expr (tree, tree);
4298 extern tree build_address (tree);
4299 extern tree build_nop (tree, tree);
4300 extern tree non_reference (tree);
4301 extern tree lookup_anon_field (tree, tree);
4302 extern bool invalid_nonstatic_memfn_p (tree);
4303 extern tree convert_member_func_to_ptr (tree, tree);
4304 extern tree convert_ptrmem (tree, tree, bool, bool);
4305 extern int lvalue_or_else (tree, enum lvalue_use);
4306 extern int lvalue_p (tree);
4309 extern void require_complete_eh_spec_types (tree, tree);
4310 extern void cxx_incomplete_type_diagnostic (tree, tree, int);
4311 #undef cxx_incomplete_type_error
4312 extern void cxx_incomplete_type_error (tree, tree);
4313 #define cxx_incomplete_type_error(V,T) \
4314 (cxx_incomplete_type_diagnostic ((V), (T), 0))
4315 extern tree error_not_base_type (tree, tree);
4316 extern tree binfo_or_else (tree, tree);
4317 extern void readonly_error (tree, const char *, int);
4318 extern void complete_type_check_abstract (tree);
4319 extern int abstract_virtuals_error (tree, tree);
4321 extern tree store_init_value (tree, tree);
4322 extern tree digest_init (tree, tree, tree *);
4323 extern tree build_scoped_ref (tree, tree, tree *);
4324 extern tree build_x_arrow (tree);
4325 extern tree build_m_component_ref (tree, tree);
4326 extern tree build_functional_cast (tree, tree);
4327 extern tree add_exception_specifier (tree, tree, int);
4328 extern tree merge_exception_specifiers (tree, tree);
4331 extern void init_mangle (void);
4332 extern void mangle_decl (tree);
4333 extern const char *mangle_type_string (tree);
4334 extern tree mangle_typeinfo_for_type (tree);
4335 extern tree mangle_typeinfo_string_for_type (tree);
4336 extern tree mangle_vtbl_for_type (tree);
4337 extern tree mangle_vtt_for_type (tree);
4338 extern tree mangle_ctor_vtbl_for_type (tree, tree);
4339 extern tree mangle_thunk (tree, int, tree, tree);
4340 extern tree mangle_conv_op_name_for_type (tree);
4341 extern tree mangle_guard_variable (tree);
4342 extern tree mangle_ref_init_variable (tree);
4345 extern bool cp_dump_tree (void *, tree);
4347 /* In cp/cp-objcp-common.c. */
4349 extern HOST_WIDE_INT cxx_get_alias_set (tree);
4350 extern bool cxx_warn_unused_global_decl (tree);
4351 extern tree cp_expr_size (tree);
4352 extern size_t cp_tree_size (enum tree_code);
4353 extern bool cp_var_mod_type_p (tree, tree);
4354 extern void cxx_initialize_diagnostics (struct diagnostic_context *);
4355 extern int cxx_types_compatible_p (tree, tree);
4357 /* in cp-gimplify.c */
4358 extern int cp_gimplify_expr (tree *, tree *, tree *);
4359 extern void cp_genericize (tree);
4363 /* In order for the format checking to accept the C++ frontend
4364 diagnostic framework extensions, you must include this file before
4365 toplev.h, not after. */
4366 #define GCC_DIAG_STYLE __gcc_cxxdiag__
4367 #if GCC_VERSION >= 3004
4368 #define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
4370 #define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
4373 extern void cp_error_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4374 extern void cp_warning_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4375 extern void cp_pedwarn_at (const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
4377 #endif /* ! GCC_CP_TREE_H */