1/* Definitions for C++ parsing and type checking. 2 Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 4 Free Software Foundation, Inc. 5 Contributed by Michael Tiemann (tiemann@cygnus.com) 6 7This file is part of GCC. 8 9GCC is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 3, or (at your option) 12any later version. 13 14GCC is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with GCC; see the file COPYING3. If not see 21<http://www.gnu.org/licenses/>. */ 22 23#ifndef GCC_CP_TREE_H 24#define GCC_CP_TREE_H 25 26#include "ggc.h" 27#include "function.h" 28#include "hashtab.h" 29#include "splay-tree.h" 30#include "vec.h" 31#include "varray.h" 32#include "c-common.h" 33#include "name-lookup.h" 34 35/* In order for the format checking to accept the C++ front end 36 diagnostic framework extensions, you must include this file before 37 toplev.h, not after. We override the definition of GCC_DIAG_STYLE 38 in c-common.h. */ 39#undef GCC_DIAG_STYLE 40#define GCC_DIAG_STYLE __gcc_cxxdiag__ 41#if GCC_VERSION >= 4001 42#define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m) 43#else 44#define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m) 45#endif 46#ifdef GCC_TOPLEV_H 47#error \ 48In order for the format checking to accept the C++ front end diagnostic \ 49framework extensions, you must include this file before toplev.h, not after. 50#endif 51#include "toplev.h" 52#include "diagnostic.h" 53 54/* Usage of TREE_LANG_FLAG_?: 55 0: IDENTIFIER_MARKED (IDENTIFIER_NODEs) 56 NEW_EXPR_USE_GLOBAL (in NEW_EXPR). 57 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR). 58 COMPOUND_EXPR_OVERLOADED (in COMPOUND_EXPR). 59 TREE_INDIRECT_USING (in NAMESPACE_DECL). 60 CLEANUP_P (in TRY_BLOCK) 61 AGGR_INIT_VIA_CTOR_P (in AGGR_INIT_EXPR) 62 PTRMEM_OK_P (in ADDR_EXPR, OFFSET_REF) 63 PAREN_STRING_LITERAL (in STRING_CST) 64 DECL_PRETTY_FUNCTION_P (in VAR_DECL) 65 KOENIG_LOOKUP_P (in CALL_EXPR) 66 STATEMENT_LIST_NO_SCOPE (in STATEMENT_LIST). 67 EXPR_STMT_STMT_EXPR_RESULT (in EXPR_STMT) 68 STMT_EXPR_NO_SCOPE (in STMT_EXPR) 69 BIND_EXPR_TRY_BLOCK (in BIND_EXPR) 70 TYPENAME_IS_ENUM_P (in TYPENAME_TYPE) 71 REFERENCE_REF_P (in INDIRECT_EXPR) 72 QUALIFIED_NAME_IS_TEMPLATE (in SCOPE_REF) 73 OMP_FOR_GIMPLIFYING_P (in OMP_FOR) 74 BASELINK_QUALIFIED_P (in BASELINK) 75 TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR) 76 TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX) 77 TYPE_REF_IS_RVALUE (in REFERENCE_TYPE) 78 ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute) 79 CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR) 80 LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR) 81 DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE) 82 1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE) 83 TI_PENDING_TEMPLATE_FLAG. 84 TEMPLATE_PARMS_FOR_INLINE. 85 DELETE_EXPR_USE_VEC (in DELETE_EXPR). 86 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out). 87 ICS_ELLIPSIS_FLAG (in _CONV) 88 DECL_INITIALIZED_P (in VAR_DECL) 89 TYPENAME_IS_CLASS_P (in TYPENAME_TYPE) 90 STMT_IS_FULL_EXPR_P (in _STMT) 91 TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR) 92 LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR) 93 DECLTYPE_FOR_LAMBDA_RETURN (in DECLTYPE_TYPE) 94 2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE) 95 ICS_THIS_FLAG (in _CONV) 96 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL) 97 STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST) 98 TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE) 99 LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P (in LAMBDA_EXPR) 100 TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR) 101 3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out). 102 ICS_BAD_FLAG (in _CONV) 103 FN_TRY_BLOCK_P (in TRY_BLOCK) 104 IDENTIFIER_CTOR_OR_DTOR_P (in IDENTIFIER_NODE) 105 BIND_EXPR_BODY_BLOCK (in BIND_EXPR) 106 DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL) 107 4: TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR, 108 or FIELD_DECL). 109 IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE) 110 DECL_TINFO_P (in VAR_DECL) 111 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE) 112 DECL_VTABLE_OR_VTT_P (in VAR_DECL) 113 6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE) 114 DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL) 115 TYPE_MARKED_P (in _TYPE) 116 117 Usage of TYPE_LANG_FLAG_?: 118 0: TYPE_DEPENDENT_P 119 1: TYPE_HAS_USER_CONSTRUCTOR. 120 2: unused 121 3: TYPE_FOR_JAVA. 122 4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR 123 5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE) 124 SCOPED_ENUM_P (in ENUMERAL_TYPE) 125 6: TYPE_DEPENDENT_P_VALID 126 127 Usage of DECL_LANG_FLAG_?: 128 0: DECL_ERROR_REPORTED (in VAR_DECL). 129 DECL_TEMPLATE_PARM_P (in PARM_DECL, CONST_DECL, TYPE_DECL, or TEMPLATE_DECL) 130 DECL_LOCAL_FUNCTION_P (in FUNCTION_DECL) 131 DECL_MUTABLE_P (in FIELD_DECL) 132 DECL_DEPENDENT_P (in USING_DECL) 133 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL). 134 DECL_TEMPLATE_INSTANTIATED (in a VAR_DECL or a FUNCTION_DECL) 135 DECL_MEMBER_TEMPLATE_P (in TEMPLATE_DECL) 136 FUNCTION_PARAMETER_PACK_P (in PARM_DECL) 137 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL). 138 DECL_IMPLICIT_TYPEDEF_P (in a TYPE_DECL) 139 3: DECL_IN_AGGR_P. 140 4: DECL_C_BIT_FIELD (in a FIELD_DECL) 141 DECL_ANON_UNION_VAR_P (in a VAR_DECL) 142 DECL_SELF_REFERENCE_P (in a TYPE_DECL) 143 DECL_INVALID_OVERRIDER_P (in a FUNCTION_DECL) 144 5: DECL_INTERFACE_KNOWN. 145 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL). 146 DECL_FIELD_IS_BASE (in FIELD_DECL) 147 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL). 148 DECL_THUNK_P (in a member FUNCTION_DECL) 149 DECL_NORMAL_CAPTURE_P (in FIELD_DECL) 150 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL) 151 152 Usage of language-independent fields in a language-dependent manner: 153 154 TYPE_ALIAS_SET 155 This field is used by TYPENAME_TYPEs, TEMPLATE_TYPE_PARMs, and so 156 forth as a substitute for the mark bits provided in `lang_type'. 157 At present, only the six low-order bits are used. 158 159 TYPE_LANG_SLOT_1 160 For an ENUMERAL_TYPE, this is ENUM_TEMPLATE_INFO. 161 For a FUNCTION_TYPE or METHOD_TYPE, this is TYPE_RAISES_EXCEPTIONS 162 163 BINFO_VIRTUALS 164 For a binfo, this is a TREE_LIST. There is an entry for each 165 virtual function declared either in BINFO or its direct and 166 indirect primary bases. 167 168 The BV_DELTA of each node gives the amount by which to adjust the 169 `this' pointer when calling the function. If the method is an 170 overridden version of a base class method, then it is assumed 171 that, prior to adjustment, the this pointer points to an object 172 of the base class. 173 174 The BV_VCALL_INDEX of each node, if non-NULL, gives the vtable 175 index of the vcall offset for this entry. 176 177 The BV_FN is the declaration for the virtual function itself. 178 179 BINFO_VTABLE 180 This is an expression with POINTER_TYPE that gives the value 181 to which the vptr should be initialized. Use get_vtbl_decl_for_binfo 182 to extract the VAR_DECL for the complete vtable. 183 184 DECL_VINDEX 185 This field is NULL for a non-virtual function. For a virtual 186 function, it is eventually set to an INTEGER_CST indicating the 187 index in the vtable at which this function can be found. When 188 a virtual function is declared, but before it is known what 189 function is overridden, this field is the error_mark_node. 190 191 Temporarily, it may be set to a TREE_LIST whose TREE_VALUE is 192 the virtual function this one overrides, and whose TREE_CHAIN is 193 the old DECL_VINDEX. */ 194 195/* Language-specific tree checkers. */ 196 197#define VAR_OR_FUNCTION_DECL_CHECK(NODE) \ 198 TREE_CHECK2(NODE,VAR_DECL,FUNCTION_DECL) 199 200#define VAR_FUNCTION_OR_PARM_DECL_CHECK(NODE) \ 201 TREE_CHECK3(NODE,VAR_DECL,FUNCTION_DECL,PARM_DECL) 202 203#define VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK(NODE) \ 204 TREE_CHECK4(NODE,VAR_DECL,FUNCTION_DECL,TYPE_DECL,TEMPLATE_DECL) 205 206#define BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK(NODE) \ 207 TREE_CHECK(NODE,BOUND_TEMPLATE_TEMPLATE_PARM) 208 209#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007) 210#define THUNK_FUNCTION_CHECK(NODE) __extension__ \ 211({ __typeof (NODE) const __t = (NODE); \ 212 if (TREE_CODE (__t) != FUNCTION_DECL || !__t->decl_common.lang_specific \ 213 || !__t->decl_common.lang_specific->u.fn.thunk_p) \ 214 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, 0); \ 215 __t; }) 216#else 217#define THUNK_FUNCTION_CHECK(NODE) (NODE) 218#endif 219 220/* Language-dependent contents of an identifier. */ 221 222struct GTY(()) lang_identifier { 223 struct c_common_identifier c_common; 224 cxx_binding *namespace_bindings; 225 cxx_binding *bindings; 226 tree class_template_info; 227 tree label_value; 228}; 229 230/* In an IDENTIFIER_NODE, nonzero if this identifier is actually a 231 keyword. C_RID_CODE (node) is then the RID_* value of the keyword, 232 and C_RID_YYCODE is the token number wanted by Yacc. */ 233 234#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_5 (ID) 235 236#define LANG_IDENTIFIER_CAST(NODE) \ 237 ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE)) 238 239struct GTY(()) template_parm_index_s { 240 struct tree_common common; 241 int index; 242 int level; 243 int orig_level; 244 tree decl; 245}; 246typedef struct template_parm_index_s template_parm_index; 247 248struct GTY(()) ptrmem_cst { 249 struct tree_common common; 250 /* This isn't used, but the middle-end expects all constants to have 251 this field. */ 252 rtx rtl; 253 tree member; 254}; 255typedef struct ptrmem_cst * ptrmem_cst_t; 256 257#define IDENTIFIER_GLOBAL_VALUE(NODE) \ 258 namespace_binding ((NODE), global_namespace) 259#define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \ 260 set_namespace_binding ((NODE), global_namespace, (VAL)) 261#define IDENTIFIER_NAMESPACE_VALUE(NODE) \ 262 namespace_binding ((NODE), current_namespace) 263#define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \ 264 set_namespace_binding ((NODE), current_namespace, (VAL)) 265 266#define CLEANUP_P(NODE) TREE_LANG_FLAG_0 (TRY_BLOCK_CHECK (NODE)) 267 268#define BIND_EXPR_TRY_BLOCK(NODE) \ 269 TREE_LANG_FLAG_0 (BIND_EXPR_CHECK (NODE)) 270 271/* Used to mark the block around the member initializers and cleanups. */ 272#define BIND_EXPR_BODY_BLOCK(NODE) \ 273 TREE_LANG_FLAG_3 (BIND_EXPR_CHECK (NODE)) 274#define FUNCTION_NEEDS_BODY_BLOCK(NODE) \ 275 (DECL_CONSTRUCTOR_P (NODE) || DECL_DESTRUCTOR_P (NODE)) 276 277#define STATEMENT_LIST_NO_SCOPE(NODE) \ 278 TREE_LANG_FLAG_0 (STATEMENT_LIST_CHECK (NODE)) 279#define STATEMENT_LIST_TRY_BLOCK(NODE) \ 280 TREE_LANG_FLAG_2 (STATEMENT_LIST_CHECK (NODE)) 281 282/* Nonzero if this statement should be considered a full-expression, 283 i.e., if temporaries created during this statement should have 284 their destructors run at the end of this statement. */ 285#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) 286 287/* Marks the result of a statement expression. */ 288#define EXPR_STMT_STMT_EXPR_RESULT(NODE) \ 289 TREE_LANG_FLAG_0 (EXPR_STMT_CHECK (NODE)) 290 291/* Nonzero if this statement-expression does not have an associated scope. */ 292#define STMT_EXPR_NO_SCOPE(NODE) \ 293 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) 294 295/* Returns nonzero iff TYPE1 and TYPE2 are the same type, in the usual 296 sense of `same'. */ 297#define same_type_p(TYPE1, TYPE2) \ 298 comptypes ((TYPE1), (TYPE2), COMPARE_STRICT) 299 300/* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring 301 top-level qualifiers. */ 302#define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \ 303 same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2)) 304 305/* Nonzero if we are presently building a statement tree, rather 306 than expanding each statement as we encounter it. */ 307#define building_stmt_tree() (cur_stmt_list != NULL_TREE) 308 309/* Returns nonzero iff NODE is a declaration for the global function 310 `main'. */ 311#define DECL_MAIN_P(NODE) \ 312 (DECL_EXTERN_C_FUNCTION_P (NODE) \ 313 && DECL_NAME (NODE) != NULL_TREE \ 314 && MAIN_NAME_P (DECL_NAME (NODE)) \ 315 && flag_hosted) 316 317/* The overloaded FUNCTION_DECL. */ 318#define OVL_FUNCTION(NODE) \ 319 (((struct tree_overload*)OVERLOAD_CHECK (NODE))->function) 320#define OVL_CHAIN(NODE) TREE_CHAIN (NODE) 321/* Polymorphic access to FUNCTION and CHAIN. */ 322#define OVL_CURRENT(NODE) \ 323 ((TREE_CODE (NODE) == OVERLOAD) ? OVL_FUNCTION (NODE) : (NODE)) 324#define OVL_NEXT(NODE) \ 325 ((TREE_CODE (NODE) == OVERLOAD) ? TREE_CHAIN (NODE) : NULL_TREE) 326/* If set, this was imported in a using declaration. 327 This is not to confuse with being used somewhere, which 328 is not important for this node. */ 329#define OVL_USED(NODE) TREE_USED (NODE) 330 331struct GTY(()) tree_overload { 332 struct tree_common common; 333 tree function; 334}; 335 336/* Returns true iff NODE is a BASELINK. */ 337#define BASELINK_P(NODE) \ 338 (TREE_CODE (NODE) == BASELINK) 339/* The BINFO indicating the base from which the BASELINK_FUNCTIONS came. */ 340#define BASELINK_BINFO(NODE) \ 341 (((struct tree_baselink*) BASELINK_CHECK (NODE))->binfo) 342/* The functions referred to by the BASELINK; either a FUNCTION_DECL, 343 a TEMPLATE_DECL, an OVERLOAD, or a TEMPLATE_ID_EXPR. */ 344#define BASELINK_FUNCTIONS(NODE) \ 345 (((struct tree_baselink*) BASELINK_CHECK (NODE))->functions) 346/* The BINFO in which the search for the functions indicated by this baselink 347 began. This base is used to determine the accessibility of functions 348 selected by overload resolution. */ 349#define BASELINK_ACCESS_BINFO(NODE) \ 350 (((struct tree_baselink*) BASELINK_CHECK (NODE))->access_binfo) 351/* For a type-conversion operator, the BASELINK_OPTYPE indicates the type 352 to which the conversion should occur. This value is important if 353 the BASELINK_FUNCTIONS include a template conversion operator -- 354 the BASELINK_OPTYPE can be used to determine what type the user 355 requested. */ 356#define BASELINK_OPTYPE(NODE) \ 357 (TREE_CHAIN (BASELINK_CHECK (NODE))) 358/* Nonzero if this baselink was from a qualified lookup. */ 359#define BASELINK_QUALIFIED_P(NODE) \ 360 TREE_LANG_FLAG_0 (BASELINK_CHECK (NODE)) 361 362struct GTY(()) tree_baselink { 363 struct tree_common common; 364 tree binfo; 365 tree functions; 366 tree access_binfo; 367}; 368 369/* The different kinds of ids that we encounter. */ 370 371typedef enum cp_id_kind 372{ 373 /* Not an id at all. */ 374 CP_ID_KIND_NONE, 375 /* An unqualified-id that is not a template-id. */ 376 CP_ID_KIND_UNQUALIFIED, 377 /* An unqualified-id that is a dependent name. */ 378 CP_ID_KIND_UNQUALIFIED_DEPENDENT, 379 /* An unqualified template-id. */ 380 CP_ID_KIND_TEMPLATE_ID, 381 /* A qualified-id. */ 382 CP_ID_KIND_QUALIFIED 383} cp_id_kind; 384 385 386/* The various kinds of C++0x warnings we encounter. */ 387 388typedef enum cpp0x_warn_str 389{ 390 /* extended initializer lists */ 391 CPP0X_INITIALIZER_LISTS, 392 /* explicit conversion operators */ 393 CPP0X_EXPLICIT_CONVERSION, 394 /* variadic templates */ 395 CPP0X_VARIADIC_TEMPLATES, 396 /* lambda expressions */ 397 CPP0X_LAMBDA_EXPR, 398 /* C++0x auto */ 399 CPP0X_AUTO, 400 /* scoped enums */ 401 CPP0X_SCOPED_ENUMS, 402 /* defaulted and deleted functions */ 403 CPP0X_DEFAULTED_DELETED 404} cpp0x_warn_str; 405 406/* The various kinds of operation used by composite_pointer_type. */ 407 408typedef enum composite_pointer_operation 409{ 410 /* comparison */ 411 CPO_COMPARISON, 412 /* conversion */ 413 CPO_CONVERSION, 414 /* conditional expression */ 415 CPO_CONDITIONAL_EXPR 416} composite_pointer_operation; 417 418/* The various readonly error string used by readonly_error. */ 419typedef enum readonly_error_kind 420{ 421 /* assignment */ 422 REK_ASSIGNMENT, 423 /* assignment (via 'asm' output) */ 424 REK_ASSIGNMENT_ASM, 425 /* increment */ 426 REK_INCREMENT, 427 /* decrement */ 428 REK_DECREMENT 429} readonly_error_kind; 430 431/* Macros for access to language-specific slots in an identifier. */ 432 433#define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \ 434 (LANG_IDENTIFIER_CAST (NODE)->namespace_bindings) 435#define IDENTIFIER_TEMPLATE(NODE) \ 436 (LANG_IDENTIFIER_CAST (NODE)->class_template_info) 437 438/* The IDENTIFIER_BINDING is the innermost cxx_binding for the 439 identifier. It's PREVIOUS is the next outermost binding. Each 440 VALUE field is a DECL for the associated declaration. Thus, 441 name lookup consists simply of pulling off the node at the front 442 of the list (modulo oddities for looking up the names of types, 443 and such.) You can use SCOPE field to determine the scope 444 that bound the name. */ 445#define IDENTIFIER_BINDING(NODE) \ 446 (LANG_IDENTIFIER_CAST (NODE)->bindings) 447 448/* TREE_TYPE only indicates on local and class scope the current 449 type. For namespace scope, the presence of a type in any namespace 450 is indicated with global_type_node, and the real type behind must 451 be found through lookup. */ 452#define IDENTIFIER_TYPE_VALUE(NODE) identifier_type_value (NODE) 453#define REAL_IDENTIFIER_TYPE_VALUE(NODE) TREE_TYPE (NODE) 454#define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = (TYPE)) 455#define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0) 456 457#define IDENTIFIER_LABEL_VALUE(NODE) \ 458 (LANG_IDENTIFIER_CAST (NODE)->label_value) 459#define SET_IDENTIFIER_LABEL_VALUE(NODE, VALUE) \ 460 IDENTIFIER_LABEL_VALUE (NODE) = (VALUE) 461 462/* Nonzero if this identifier is used as a virtual function name somewhere 463 (optimizes searches). */ 464#define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1 (NODE) 465 466/* Nonzero if this identifier is the prefix for a mangled C++ operator 467 name. */ 468#define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2 (NODE) 469 470/* Nonzero if this identifier is the name of a type-conversion 471 operator. */ 472#define IDENTIFIER_TYPENAME_P(NODE) \ 473 TREE_LANG_FLAG_4 (NODE) 474 475/* Nonzero if this identifier is the name of a constructor or 476 destructor. */ 477#define IDENTIFIER_CTOR_OR_DTOR_P(NODE) \ 478 TREE_LANG_FLAG_3 (NODE) 479 480/* True iff NAME is the DECL_ASSEMBLER_NAME for an entity with vague 481 linkage which the prelinker has assigned to this translation 482 unit. */ 483#define IDENTIFIER_REPO_CHOSEN(NAME) \ 484 (TREE_LANG_FLAG_6 (NAME)) 485 486/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */ 487#define C_TYPE_FIELDS_READONLY(TYPE) \ 488 (LANG_TYPE_CLASS_CHECK (TYPE)->fields_readonly) 489 490/* The tokens stored in the default argument. */ 491 492#define DEFARG_TOKENS(NODE) \ 493 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens) 494#define DEFARG_INSTANTIATIONS(NODE) \ 495 (((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->instantiations) 496 497struct GTY (()) tree_default_arg { 498 struct tree_common common; 499 struct cp_token_cache *tokens; 500 VEC(tree,gc) *instantiations; 501}; 502 503/* The condition associated with the static assertion. This must be 504 an integral constant expression. */ 505#define STATIC_ASSERT_CONDITION(NODE) \ 506 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->condition) 507 508/* The message associated with the static assertion. This must be a 509 string constant, which will be emitted as an error message when the 510 static assert condition is false. */ 511#define STATIC_ASSERT_MESSAGE(NODE) \ 512 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->message) 513 514/* Source location information for a static assertion. */ 515#define STATIC_ASSERT_SOURCE_LOCATION(NODE) \ 516 (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location) 517 518struct GTY (()) tree_static_assert { 519 struct tree_common common; 520 tree condition; 521 tree message; 522 location_t location; 523}; 524 525struct GTY (()) tree_argument_pack_select { 526 struct tree_common common; 527 tree argument_pack; 528 int index; 529}; 530 531/* The different kinds of traits that we encounter. */ 532 533typedef enum cp_trait_kind 534{ 535 CPTK_HAS_NOTHROW_ASSIGN, 536 CPTK_HAS_NOTHROW_CONSTRUCTOR, 537 CPTK_HAS_NOTHROW_COPY, 538 CPTK_HAS_TRIVIAL_ASSIGN, 539 CPTK_HAS_TRIVIAL_CONSTRUCTOR, 540 CPTK_HAS_TRIVIAL_COPY, 541 CPTK_HAS_TRIVIAL_DESTRUCTOR, 542 CPTK_HAS_VIRTUAL_DESTRUCTOR, 543 CPTK_IS_ABSTRACT, 544 CPTK_IS_BASE_OF, 545 CPTK_IS_CLASS, 546 CPTK_IS_CONVERTIBLE_TO, 547 CPTK_IS_EMPTY, 548 CPTK_IS_ENUM, 549 CPTK_IS_POD, 550 CPTK_IS_POLYMORPHIC, 551 CPTK_IS_STD_LAYOUT, 552 CPTK_IS_TRIVIAL, 553 CPTK_IS_UNION 554} cp_trait_kind; 555 556/* The types that we are processing. */ 557#define TRAIT_EXPR_TYPE1(NODE) \ 558 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1) 559 560#define TRAIT_EXPR_TYPE2(NODE) \ 561 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2) 562 563/* The specific trait that we are processing. */ 564#define TRAIT_EXPR_KIND(NODE) \ 565 (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind) 566 567struct GTY (()) tree_trait_expr { 568 struct tree_common common; 569 tree type1; 570 tree type2; 571 enum cp_trait_kind kind; 572}; 573 574/* Based off of TYPE_ANONYMOUS_P. */ 575#define LAMBDA_TYPE_P(NODE) \ 576 (CLASS_TYPE_P (NODE) && LAMBDANAME_P (TYPE_LINKAGE_IDENTIFIER (NODE))) 577 578/* Test if FUNCTION_DECL is a lambda function. */ 579#define LAMBDA_FUNCTION_P(FNDECL) \ 580 (DECL_OVERLOADED_OPERATOR_P (FNDECL) == CALL_EXPR \ 581 && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL))) 582 583enum cp_lambda_default_capture_mode_type { 584 CPLD_NONE, 585 CPLD_COPY, 586 CPLD_REFERENCE 587}; 588 589/* The method of default capture, if any. */ 590#define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \ 591 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode) 592 593/* The capture-list, including `this'. Each capture is stored as a FIELD_DECL 594 * so that the name, type, and field are all together, whether or not it has 595 * been added to the lambda's class type. 596 TREE_LIST: 597 TREE_PURPOSE: The FIELD_DECL for this capture. 598 TREE_VALUE: The initializer. This is part of a GNU extension. */ 599#define LAMBDA_EXPR_CAPTURE_LIST(NODE) \ 600 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list) 601 602/* The node in the capture-list that holds the 'this' capture. */ 603#define LAMBDA_EXPR_THIS_CAPTURE(NODE) \ 604 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture) 605 606/* Predicate tracking whether `this' is in the effective capture set. */ 607#define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \ 608 LAMBDA_EXPR_THIS_CAPTURE(NODE) 609 610/* Predicate tracking whether the lambda was declared 'mutable'. */ 611#define LAMBDA_EXPR_MUTABLE_P(NODE) \ 612 TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE)) 613 614/* True iff we should try to deduce the lambda return type from any return 615 statement. */ 616#define LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P(NODE) \ 617 TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE)) 618 619/* The return type in the expression. 620 * NULL_TREE indicates that none was specified. */ 621#define LAMBDA_EXPR_RETURN_TYPE(NODE) \ 622 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->return_type) 623 624/* The source location of the lambda. */ 625#define LAMBDA_EXPR_LOCATION(NODE) \ 626 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus) 627 628/* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL, 629 FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */ 630#define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \ 631 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope) 632 633/* If EXTRA_SCOPE, this is the number of the lambda within that scope. */ 634#define LAMBDA_EXPR_DISCRIMINATOR(NODE) \ 635 (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator) 636 637struct GTY (()) tree_lambda_expr 638{ 639 struct tree_common common; 640 location_t locus; 641 enum cp_lambda_default_capture_mode_type default_capture_mode; 642 tree capture_list; 643 tree this_capture; 644 tree return_type; 645 tree extra_scope; 646 int discriminator; 647}; 648 649/* A (typedef,context,usage location) triplet. 650 It represents a typedef used through a 651 context at a given source location. 652 e.g. 653 struct foo { 654 typedef int myint; 655 }; 656 657 struct bar { 658 foo::myint v; // #1<-- this location. 659 }; 660 661 In bar, the triplet will be (myint, foo, #1). 662 */ 663struct GTY(()) qualified_typedef_usage_s { 664 tree typedef_decl; 665 tree context; 666 location_t locus; 667}; 668typedef struct qualified_typedef_usage_s qualified_typedef_usage_t; 669DEF_VEC_O (qualified_typedef_usage_t); 670DEF_VEC_ALLOC_O (qualified_typedef_usage_t,gc); 671 672struct GTY(()) tree_template_info { 673 struct tree_common common; 674 VEC(qualified_typedef_usage_t,gc) *typedefs_needing_access_checking; 675}; 676 677enum cp_tree_node_structure_enum { 678 TS_CP_GENERIC, 679 TS_CP_IDENTIFIER, 680 TS_CP_TPI, 681 TS_CP_PTRMEM, 682 TS_CP_BINDING, 683 TS_CP_OVERLOAD, 684 TS_CP_BASELINK, 685 TS_CP_WRAPPER, 686 TS_CP_DEFAULT_ARG, 687 TS_CP_STATIC_ASSERT, 688 TS_CP_ARGUMENT_PACK_SELECT, 689 TS_CP_TRAIT_EXPR, 690 TS_CP_LAMBDA_EXPR, 691 TS_CP_TEMPLATE_INFO, 692 LAST_TS_CP_ENUM 693}; 694 695/* The resulting tree type. */ 696union GTY((desc ("cp_tree_node_structure (&%h)"), 697 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) lang_tree_node { 698 union tree_node GTY ((tag ("TS_CP_GENERIC"), 699 desc ("tree_node_structure (&%h)"))) generic; 700 struct template_parm_index_s GTY ((tag ("TS_CP_TPI"))) tpi; 701 struct ptrmem_cst GTY ((tag ("TS_CP_PTRMEM"))) ptrmem; 702 struct tree_overload GTY ((tag ("TS_CP_OVERLOAD"))) overload; 703 struct tree_baselink GTY ((tag ("TS_CP_BASELINK"))) baselink; 704 struct tree_default_arg GTY ((tag ("TS_CP_DEFAULT_ARG"))) default_arg; 705 struct lang_identifier GTY ((tag ("TS_CP_IDENTIFIER"))) identifier; 706 struct tree_static_assert GTY ((tag ("TS_CP_STATIC_ASSERT"))) 707 static_assertion; 708 struct tree_argument_pack_select GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT"))) 709 argument_pack_select; 710 struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR"))) 711 trait_expression; 712 struct tree_lambda_expr GTY ((tag ("TS_CP_LAMBDA_EXPR"))) 713 lambda_expression; 714 struct tree_template_info GTY ((tag ("TS_CP_TEMPLATE_INFO"))) 715 template_info; 716}; 717 718 719enum cp_tree_index 720{ 721 CPTI_JAVA_BYTE_TYPE, 722 CPTI_JAVA_SHORT_TYPE, 723 CPTI_JAVA_INT_TYPE, 724 CPTI_JAVA_LONG_TYPE, 725 CPTI_JAVA_FLOAT_TYPE, 726 CPTI_JAVA_DOUBLE_TYPE, 727 CPTI_JAVA_CHAR_TYPE, 728 CPTI_JAVA_BOOLEAN_TYPE, 729 730 CPTI_WCHAR_DECL, 731 CPTI_VTABLE_ENTRY_TYPE, 732 CPTI_DELTA_TYPE, 733 CPTI_VTABLE_INDEX_TYPE, 734 CPTI_CLEANUP_TYPE, 735 CPTI_VTT_PARM_TYPE, 736 737 CPTI_CLASS_TYPE, 738 CPTI_UNKNOWN_TYPE, 739 CPTI_INIT_LIST_TYPE, 740 CPTI_VTBL_TYPE, 741 CPTI_VTBL_PTR_TYPE, 742 CPTI_STD, 743 CPTI_ABI, 744 CPTI_CONST_TYPE_INFO_TYPE, 745 CPTI_TYPE_INFO_PTR_TYPE, 746 CPTI_ABORT_FNDECL, 747 CPTI_GLOBAL_DELETE_FNDECL, 748 CPTI_AGGR_TAG, 749 750 CPTI_CTOR_IDENTIFIER, 751 CPTI_COMPLETE_CTOR_IDENTIFIER, 752 CPTI_BASE_CTOR_IDENTIFIER, 753 CPTI_DTOR_IDENTIFIER, 754 CPTI_COMPLETE_DTOR_IDENTIFIER, 755 CPTI_BASE_DTOR_IDENTIFIER, 756 CPTI_DELETING_DTOR_IDENTIFIER, 757 CPTI_DELTA_IDENTIFIER, 758 CPTI_IN_CHARGE_IDENTIFIER, 759 CPTI_VTT_PARM_IDENTIFIER, 760 CPTI_NELTS_IDENTIFIER, 761 CPTI_THIS_IDENTIFIER, 762 CPTI_PFN_IDENTIFIER, 763 CPTI_VPTR_IDENTIFIER, 764 CPTI_STD_IDENTIFIER, 765 766 CPTI_LANG_NAME_C, 767 CPTI_LANG_NAME_CPLUSPLUS, 768 CPTI_LANG_NAME_JAVA, 769 770 CPTI_EMPTY_EXCEPT_SPEC, 771 CPTI_JCLASS, 772 CPTI_TERMINATE, 773 CPTI_CALL_UNEXPECTED, 774 CPTI_ATEXIT_FN_PTR_TYPE, 775 CPTI_ATEXIT, 776 CPTI_DSO_HANDLE, 777 CPTI_DCAST, 778 779 CPTI_KEYED_CLASSES, 780 781 CPTI_MAX 782}; 783 784extern GTY(()) tree cp_global_trees[CPTI_MAX]; 785 786#define java_byte_type_node cp_global_trees[CPTI_JAVA_BYTE_TYPE] 787#define java_short_type_node cp_global_trees[CPTI_JAVA_SHORT_TYPE] 788#define java_int_type_node cp_global_trees[CPTI_JAVA_INT_TYPE] 789#define java_long_type_node cp_global_trees[CPTI_JAVA_LONG_TYPE] 790#define java_float_type_node cp_global_trees[CPTI_JAVA_FLOAT_TYPE] 791#define java_double_type_node cp_global_trees[CPTI_JAVA_DOUBLE_TYPE] 792#define java_char_type_node cp_global_trees[CPTI_JAVA_CHAR_TYPE] 793#define java_boolean_type_node cp_global_trees[CPTI_JAVA_BOOLEAN_TYPE] 794 795#define wchar_decl_node cp_global_trees[CPTI_WCHAR_DECL] 796#define vtable_entry_type cp_global_trees[CPTI_VTABLE_ENTRY_TYPE] 797/* The type used to represent an offset by which to adjust the `this' 798 pointer in pointer-to-member types. */ 799#define delta_type_node cp_global_trees[CPTI_DELTA_TYPE] 800/* The type used to represent an index into the vtable. */ 801#define vtable_index_type cp_global_trees[CPTI_VTABLE_INDEX_TYPE] 802 803#define class_type_node cp_global_trees[CPTI_CLASS_TYPE] 804#define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE] 805#define init_list_type_node cp_global_trees[CPTI_INIT_LIST_TYPE] 806#define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE] 807#define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE] 808#define std_node cp_global_trees[CPTI_STD] 809#define abi_node cp_global_trees[CPTI_ABI] 810#define const_type_info_type_node cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE] 811#define type_info_ptr_type cp_global_trees[CPTI_TYPE_INFO_PTR_TYPE] 812#define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL] 813#define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL] 814#define current_aggr cp_global_trees[CPTI_AGGR_TAG] 815 816/* We cache these tree nodes so as to call get_identifier less 817 frequently. */ 818 819/* The name of a constructor that takes an in-charge parameter to 820 decide whether or not to construct virtual base classes. */ 821#define ctor_identifier cp_global_trees[CPTI_CTOR_IDENTIFIER] 822/* The name of a constructor that constructs virtual base classes. */ 823#define complete_ctor_identifier cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER] 824/* The name of a constructor that does not construct virtual base classes. */ 825#define base_ctor_identifier cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER] 826/* The name of a destructor that takes an in-charge parameter to 827 decide whether or not to destroy virtual base classes and whether 828 or not to delete the object. */ 829#define dtor_identifier cp_global_trees[CPTI_DTOR_IDENTIFIER] 830/* The name of a destructor that destroys virtual base classes. */ 831#define complete_dtor_identifier cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER] 832/* The name of a destructor that does not destroy virtual base 833 classes. */ 834#define base_dtor_identifier cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER] 835/* The name of a destructor that destroys virtual base classes, and 836 then deletes the entire object. */ 837#define deleting_dtor_identifier cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER] 838#define delta_identifier cp_global_trees[CPTI_DELTA_IDENTIFIER] 839#define in_charge_identifier cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER] 840/* The name of the parameter that contains a pointer to the VTT to use 841 for this subobject constructor or destructor. */ 842#define vtt_parm_identifier cp_global_trees[CPTI_VTT_PARM_IDENTIFIER] 843#define nelts_identifier cp_global_trees[CPTI_NELTS_IDENTIFIER] 844#define this_identifier cp_global_trees[CPTI_THIS_IDENTIFIER] 845#define pfn_identifier cp_global_trees[CPTI_PFN_IDENTIFIER] 846#define vptr_identifier cp_global_trees[CPTI_VPTR_IDENTIFIER] 847/* The name of the std namespace. */ 848#define std_identifier cp_global_trees[CPTI_STD_IDENTIFIER] 849#define lang_name_c cp_global_trees[CPTI_LANG_NAME_C] 850#define lang_name_cplusplus cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS] 851#define lang_name_java cp_global_trees[CPTI_LANG_NAME_JAVA] 852 853/* Exception specifier used for throw(). */ 854#define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC] 855 856/* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */ 857#define jclass_node cp_global_trees[CPTI_JCLASS] 858 859/* The declaration for `std::terminate'. */ 860#define terminate_node cp_global_trees[CPTI_TERMINATE] 861 862/* The declaration for "__cxa_call_unexpected". */ 863#define call_unexpected_node cp_global_trees[CPTI_CALL_UNEXPECTED] 864 865/* The type of the function-pointer argument to "__cxa_atexit" (or 866 "std::atexit", if "__cxa_atexit" is not being used). */ 867#define atexit_fn_ptr_type_node cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE] 868 869/* A pointer to `std::atexit'. */ 870#define atexit_node cp_global_trees[CPTI_ATEXIT] 871 872/* A pointer to `__dso_handle'. */ 873#define dso_handle_node cp_global_trees[CPTI_DSO_HANDLE] 874 875/* The declaration of the dynamic_cast runtime. */ 876#define dynamic_cast_node cp_global_trees[CPTI_DCAST] 877 878/* The type of a destructor. */ 879#define cleanup_type cp_global_trees[CPTI_CLEANUP_TYPE] 880 881/* The type of the vtt parameter passed to subobject constructors and 882 destructors. */ 883#define vtt_parm_type cp_global_trees[CPTI_VTT_PARM_TYPE] 884 885/* A TREE_LIST of the dynamic classes whose vtables may have to be 886 emitted in this translation unit. */ 887 888#define keyed_classes cp_global_trees[CPTI_KEYED_CLASSES] 889 890/* Node to indicate default access. This must be distinct from the 891 access nodes in tree.h. */ 892 893#define access_default_node null_node 894 895/* Global state. */ 896 897struct GTY(()) saved_scope { 898 VEC(cxx_saved_binding,gc) *old_bindings; 899 tree old_namespace; 900 tree decl_ns_list; 901 tree class_name; 902 tree class_type; 903 tree access_specifier; 904 tree function_decl; 905 VEC(tree,gc) *lang_base; 906 tree lang_name; 907 tree template_parms; 908 struct cp_binding_level *x_previous_class_level; 909 tree x_saved_tree; 910 911 int x_processing_template_decl; 912 int x_processing_specialization; 913 BOOL_BITFIELD x_processing_explicit_instantiation : 1; 914 BOOL_BITFIELD need_pop_function_context : 1; 915 916 int unevaluated_operand; 917 int inhibit_evaluation_warnings; 918 919 struct stmt_tree_s x_stmt_tree; 920 921 struct cp_binding_level *class_bindings; 922 struct cp_binding_level *bindings; 923 924 struct saved_scope *prev; 925}; 926 927/* The current open namespace. */ 928 929#define current_namespace scope_chain->old_namespace 930 931/* The stack for namespaces of current declarations. */ 932 933#define decl_namespace_list scope_chain->decl_ns_list 934 935/* IDENTIFIER_NODE: name of current class */ 936 937#define current_class_name scope_chain->class_name 938 939/* _TYPE: the type of the current class */ 940 941#define current_class_type scope_chain->class_type 942 943/* When parsing a class definition, the access specifier most recently 944 given by the user, or, if no access specifier was given, the 945 default value appropriate for the kind of class (i.e., struct, 946 class, or union). */ 947 948#define current_access_specifier scope_chain->access_specifier 949 950/* Pointer to the top of the language name stack. */ 951 952#define current_lang_base scope_chain->lang_base 953#define current_lang_name scope_chain->lang_name 954 955/* When parsing a template declaration, a TREE_LIST represents the 956 active template parameters. Each node in the list represents one 957 level of template parameters. The innermost level is first in the 958 list. The depth of each level is stored as an INTEGER_CST in the 959 TREE_PURPOSE of each node. The parameters for that level are 960 stored in the TREE_VALUE. */ 961 962#define current_template_parms scope_chain->template_parms 963 964#define processing_template_decl scope_chain->x_processing_template_decl 965#define processing_specialization scope_chain->x_processing_specialization 966#define processing_explicit_instantiation scope_chain->x_processing_explicit_instantiation 967 968/* The cached class binding level, from the most recently exited 969 class, or NULL if none. */ 970 971#define previous_class_level scope_chain->x_previous_class_level 972 973/* A list of private types mentioned, for deferred access checking. */ 974 975extern GTY(()) struct saved_scope *scope_chain; 976 977struct GTY(()) cxx_int_tree_map { 978 unsigned int uid; 979 tree to; 980}; 981 982extern unsigned int cxx_int_tree_map_hash (const void *); 983extern int cxx_int_tree_map_eq (const void *, const void *); 984 985/* Global state pertinent to the current function. */ 986 987struct GTY(()) language_function { 988 struct c_language_function base; 989 990 tree x_cdtor_label; 991 tree x_current_class_ptr; 992 tree x_current_class_ref; 993 tree x_eh_spec_block; 994 tree x_in_charge_parm; 995 tree x_vtt_parm; 996 tree x_return_value; 997 998 BOOL_BITFIELD returns_value : 1; 999 BOOL_BITFIELD returns_null : 1; 1000 BOOL_BITFIELD returns_abnormally : 1; 1001 BOOL_BITFIELD in_function_try_handler : 1; 1002 BOOL_BITFIELD in_base_initializer : 1; 1003 1004 /* True if this function can throw an exception. */ 1005 BOOL_BITFIELD can_throw : 1; 1006 1007 htab_t GTY((param_is(struct named_label_entry))) x_named_labels; 1008 struct cp_binding_level *bindings; 1009 VEC(tree,gc) *x_local_names; 1010 htab_t GTY((param_is (struct cxx_int_tree_map))) extern_decl_map; 1011}; 1012 1013/* The current C++-specific per-function global variables. */ 1014 1015#define cp_function_chain (cfun->language) 1016 1017/* In a constructor destructor, the point at which all derived class 1018 destroying/construction has been done. I.e., just before a 1019 constructor returns, or before any base class destroying will be done 1020 in a destructor. */ 1021 1022#define cdtor_label cp_function_chain->x_cdtor_label 1023 1024/* When we're processing a member function, current_class_ptr is the 1025 PARM_DECL for the `this' pointer. The current_class_ref is an 1026 expression for `*this'. */ 1027 1028#define current_class_ptr \ 1029 (cfun && cp_function_chain \ 1030 ? cp_function_chain->x_current_class_ptr : NULL_TREE) 1031#define current_class_ref \ 1032 (cfun ? cp_function_chain->x_current_class_ref : NULL_TREE) 1033 1034/* The EH_SPEC_BLOCK for the exception-specifiers for the current 1035 function, if any. */ 1036 1037#define current_eh_spec_block cp_function_chain->x_eh_spec_block 1038 1039/* The `__in_chrg' parameter for the current function. Only used for 1040 constructors and destructors. */ 1041 1042#define current_in_charge_parm cp_function_chain->x_in_charge_parm 1043 1044/* The `__vtt_parm' parameter for the current function. Only used for 1045 constructors and destructors. */ 1046 1047#define current_vtt_parm cp_function_chain->x_vtt_parm 1048 1049/* Set to 0 at beginning of a function definition, set to 1 if 1050 a return statement that specifies a return value is seen. */ 1051 1052#define current_function_returns_value cp_function_chain->returns_value 1053 1054/* Set to 0 at beginning of a function definition, set to 1 if 1055 a return statement with no argument is seen. */ 1056 1057#define current_function_returns_null cp_function_chain->returns_null 1058 1059/* Set to 0 at beginning of a function definition, set to 1 if 1060 a call to a noreturn function is seen. */ 1061 1062#define current_function_returns_abnormally \ 1063 cp_function_chain->returns_abnormally 1064 1065/* Nonzero if we are processing a base initializer. Zero elsewhere. */ 1066#define in_base_initializer cp_function_chain->in_base_initializer 1067 1068#define in_function_try_handler cp_function_chain->in_function_try_handler 1069 1070/* Expression always returned from function, or error_mark_node 1071 otherwise, for use by the automatic named return value optimization. */ 1072 1073#define current_function_return_value \ 1074 (cp_function_chain->x_return_value) 1075 1076/* True if NAME is the IDENTIFIER_NODE for an overloaded "operator 1077 new" or "operator delete". */ 1078#define NEW_DELETE_OPNAME_P(NAME) \ 1079 ((NAME) == ansi_opname (NEW_EXPR) \ 1080 || (NAME) == ansi_opname (VEC_NEW_EXPR) \ 1081 || (NAME) == ansi_opname (DELETE_EXPR) \ 1082 || (NAME) == ansi_opname (VEC_DELETE_EXPR)) 1083 1084#define ansi_opname(CODE) \ 1085 (operator_name_info[(int) (CODE)].identifier) 1086#define ansi_assopname(CODE) \ 1087 (assignment_operator_name_info[(int) (CODE)].identifier) 1088 1089/* True if NODE is an erroneous expression. */ 1090 1091#define error_operand_p(NODE) \ 1092 ((NODE) == error_mark_node \ 1093 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node)) 1094 1095/* TRUE if a tree code represents a statement. */ 1096extern bool statement_code_p[MAX_TREE_CODES]; 1097 1098#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] 1099 1100enum languages { lang_c, lang_cplusplus, lang_java }; 1101 1102/* Macros to make error reporting functions' lives easier. */ 1103#define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE))) 1104#define TYPE_LINKAGE_IDENTIFIER(NODE) \ 1105 (TYPE_IDENTIFIER (TYPE_MAIN_VARIANT (NODE))) 1106#define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE))) 1107#define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE))) 1108 1109/* Nonzero if NODE has no name for linkage purposes. */ 1110#define TYPE_ANONYMOUS_P(NODE) \ 1111 (TAGGED_TYPE_P (NODE) && ANON_AGGRNAME_P (TYPE_LINKAGE_IDENTIFIER (NODE))) 1112 1113/* The _DECL for this _TYPE. */ 1114#define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE))) 1115 1116/* Nonzero if T is a class (or struct or union) type. Also nonzero 1117 for template type parameters, typename types, and instantiated 1118 template template parameters. Keep these checks in ascending code 1119 order. */ 1120#define MAYBE_CLASS_TYPE_P(T) \ 1121 (TREE_CODE (T) == TEMPLATE_TYPE_PARM \ 1122 || TREE_CODE (T) == TYPENAME_TYPE \ 1123 || TREE_CODE (T) == TYPEOF_TYPE \ 1124 || TREE_CODE (T) == BOUND_TEMPLATE_TEMPLATE_PARM \ 1125 || TREE_CODE (T) == DECLTYPE_TYPE \ 1126 || CLASS_TYPE_P (T)) 1127 1128/* Set CLASS_TYPE_P for T to VAL. T must be a class, struct, or 1129 union type. */ 1130#define SET_CLASS_TYPE_P(T, VAL) \ 1131 (TYPE_LANG_FLAG_5 (T) = (VAL)) 1132 1133/* Nonzero if T is a class type. Zero for template type parameters, 1134 typename types, and so forth. */ 1135#define CLASS_TYPE_P(T) \ 1136 (RECORD_OR_UNION_CODE_P (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T)) 1137 1138/* Nonzero if T is a class type but not an union. */ 1139#define NON_UNION_CLASS_TYPE_P(T) \ 1140 (CLASS_TYPE_P (T) && TREE_CODE (T) != UNION_TYPE) 1141 1142/* Keep these checks in ascending code order. */ 1143#define RECORD_OR_UNION_CODE_P(T) \ 1144 ((T) == RECORD_TYPE || (T) == UNION_TYPE) 1145#define TAGGED_TYPE_P(T) \ 1146 (CLASS_TYPE_P (T) || TREE_CODE (T) == ENUMERAL_TYPE) 1147#define IS_OVERLOAD_TYPE(T) TAGGED_TYPE_P (T) 1148 1149/* True if this a "Java" type, defined in 'extern "Java"'. */ 1150#define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3 (NODE) 1151 1152/* True if this type is dependent. This predicate is only valid if 1153 TYPE_DEPENDENT_P_VALID is true. */ 1154#define TYPE_DEPENDENT_P(NODE) TYPE_LANG_FLAG_0 (NODE) 1155 1156/* True if dependent_type_p has been called for this type, with the 1157 result that TYPE_DEPENDENT_P is valid. */ 1158#define TYPE_DEPENDENT_P_VALID(NODE) TYPE_LANG_FLAG_6(NODE) 1159 1160/* Nonzero if this type is const-qualified. */ 1161#define CP_TYPE_CONST_P(NODE) \ 1162 ((cp_type_quals (NODE) & TYPE_QUAL_CONST) != 0) 1163 1164/* Nonzero if this type is volatile-qualified. */ 1165#define CP_TYPE_VOLATILE_P(NODE) \ 1166 ((cp_type_quals (NODE) & TYPE_QUAL_VOLATILE) != 0) 1167 1168/* Nonzero if this type is restrict-qualified. */ 1169#define CP_TYPE_RESTRICT_P(NODE) \ 1170 ((cp_type_quals (NODE) & TYPE_QUAL_RESTRICT) != 0) 1171 1172/* Nonzero if this type is const-qualified, but not 1173 volatile-qualified. Other qualifiers are ignored. This macro is 1174 used to test whether or not it is OK to bind an rvalue to a 1175 reference. */ 1176#define CP_TYPE_CONST_NON_VOLATILE_P(NODE) \ 1177 ((cp_type_quals (NODE) & (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE)) \ 1178 == TYPE_QUAL_CONST) 1179 1180#define FUNCTION_ARG_CHAIN(NODE) \ 1181 TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE))) 1182 1183/* Given a FUNCTION_DECL, returns the first TREE_LIST out of TYPE_ARG_TYPES 1184 which refers to a user-written parameter. */ 1185#define FUNCTION_FIRST_USER_PARMTYPE(NODE) \ 1186 skip_artificial_parms_for ((NODE), TYPE_ARG_TYPES (TREE_TYPE (NODE))) 1187 1188/* Similarly, but for DECL_ARGUMENTS. */ 1189#define FUNCTION_FIRST_USER_PARM(NODE) \ 1190 skip_artificial_parms_for ((NODE), DECL_ARGUMENTS (NODE)) 1191 1192/* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and 1193 ambiguity issues. */ 1194#define DERIVED_FROM_P(PARENT, TYPE) \ 1195 (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE) 1196/* Nonzero iff TYPE is uniquely derived from PARENT. Ignores 1197 accessibility. */ 1198#define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \ 1199 (lookup_base ((TYPE), (PARENT), ba_unique | ba_quiet, NULL) != NULL_TREE) 1200/* Nonzero iff TYPE is publicly & uniquely derived from PARENT. */ 1201#define PUBLICLY_UNIQUELY_DERIVED_P(PARENT, TYPE) \ 1202 (lookup_base ((TYPE), (PARENT), ba_ignore_scope | ba_check | ba_quiet, \ 1203 NULL) != NULL_TREE) 1204 1205/* Gives the visibility specification for a class type. */ 1206#define CLASSTYPE_VISIBILITY(TYPE) \ 1207 DECL_VISIBILITY (TYPE_NAME (TYPE)) 1208#define CLASSTYPE_VISIBILITY_SPECIFIED(TYPE) \ 1209 DECL_VISIBILITY_SPECIFIED (TYPE_NAME (TYPE)) 1210 1211typedef struct GTY (()) tree_pair_s { 1212 tree purpose; 1213 tree value; 1214} tree_pair_s; 1215typedef tree_pair_s *tree_pair_p; 1216DEF_VEC_O (tree_pair_s); 1217DEF_VEC_ALLOC_O (tree_pair_s,gc); 1218 1219/* This is a few header flags for 'struct lang_type'. Actually, 1220 all but the first are used only for lang_type_class; they 1221 are put in this structure to save space. */ 1222struct GTY(()) lang_type_header { 1223 BOOL_BITFIELD is_lang_type_class : 1; 1224 1225 BOOL_BITFIELD has_type_conversion : 1; 1226 BOOL_BITFIELD has_init_ref : 1; 1227 BOOL_BITFIELD has_default_ctor : 1; 1228 BOOL_BITFIELD const_needs_init : 1; 1229 BOOL_BITFIELD ref_needs_init : 1; 1230 BOOL_BITFIELD has_const_assign_ref : 1; 1231 1232 BOOL_BITFIELD spare : 1; 1233}; 1234 1235/* This structure provides additional information above and beyond 1236 what is provide in the ordinary tree_type. In the past, we used it 1237 for the types of class types, template parameters types, typename 1238 types, and so forth. However, there can be many (tens to hundreds 1239 of thousands) of template parameter types in a compilation, and 1240 there's no need for this additional information in that case. 1241 Therefore, we now use this data structure only for class types. 1242 1243 In the past, it was thought that there would be relatively few 1244 class types. However, in the presence of heavy use of templates, 1245 many (i.e., thousands) of classes can easily be generated. 1246 Therefore, we should endeavor to keep the size of this structure to 1247 a minimum. */ 1248struct GTY(()) lang_type_class { 1249 struct lang_type_header h; 1250 1251 unsigned char align; 1252 1253 unsigned has_mutable : 1; 1254 unsigned com_interface : 1; 1255 unsigned non_pod_class : 1; 1256 unsigned nearly_empty_p : 1; 1257 unsigned user_align : 1; 1258 unsigned has_assign_ref : 1; 1259 unsigned has_new : 1; 1260 unsigned has_array_new : 1; 1261 1262 unsigned gets_delete : 2; 1263 unsigned interface_only : 1; 1264 unsigned interface_unknown : 1; 1265 unsigned contains_empty_class_p : 1; 1266 unsigned anon_aggr : 1; 1267 unsigned non_zero_init : 1; 1268 unsigned empty_p : 1; 1269 1270 unsigned vec_new_uses_cookie : 1; 1271 unsigned declared_class : 1; 1272 unsigned diamond_shaped : 1; 1273 unsigned repeated_base : 1; 1274 unsigned being_defined : 1; 1275 unsigned java_interface : 1; 1276 unsigned debug_requested : 1; 1277 unsigned fields_readonly : 1; 1278 1279 unsigned use_template : 2; 1280 unsigned ptrmemfunc_flag : 1; 1281 unsigned was_anonymous : 1; 1282 unsigned lazy_default_ctor : 1; 1283 unsigned lazy_copy_ctor : 1; 1284 unsigned lazy_assignment_op : 1; 1285 unsigned lazy_destructor : 1; 1286 1287 unsigned has_const_init_ref : 1; 1288 unsigned has_complex_init_ref : 1; 1289 unsigned has_complex_assign_ref : 1; 1290 unsigned non_aggregate : 1; 1291 unsigned has_complex_dflt : 1; 1292 unsigned has_list_ctor : 1; 1293 unsigned non_std_layout : 1; 1294 unsigned lazy_move_ctor : 1; 1295 unsigned is_literal : 1; 1296 1297 /* When adding a flag here, consider whether or not it ought to 1298 apply to a template instance if it applies to the template. If 1299 so, make sure to copy it in instantiate_class_template! */ 1300 1301 /* There are some bits left to fill out a 32-bit word. Keep track 1302 of this by updating the size of this bitfield whenever you add or 1303 remove a flag. */ 1304 unsigned dummy : 7; 1305 1306 tree primary_base; 1307 VEC(tree_pair_s,gc) *vcall_indices; 1308 tree vtables; 1309 tree typeinfo_var; 1310 VEC(tree,gc) *vbases; 1311 binding_table nested_udts; 1312 tree as_base; 1313 VEC(tree,gc) *pure_virtuals; 1314 tree friend_classes; 1315 VEC(tree,gc) * GTY((reorder ("resort_type_method_vec"))) methods; 1316 tree key_method; 1317 tree decl_list; 1318 tree template_info; 1319 tree befriending_classes; 1320 /* In a RECORD_TYPE, information specific to Objective-C++, such 1321 as a list of adopted protocols or a pointer to a corresponding 1322 @interface. See objc/objc-act.h for details. */ 1323 tree objc_info; 1324 /* sorted_fields is sorted based on a pointer, so we need to be able 1325 to resort it if pointers get rearranged. */ 1326 struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) 1327 sorted_fields; 1328 /* FIXME reuse another field? */ 1329 tree lambda_expr; 1330}; 1331 1332struct GTY(()) lang_type_ptrmem { 1333 struct lang_type_header h; 1334 tree record; 1335}; 1336 1337struct GTY(()) lang_type { 1338 union lang_type_u 1339 { 1340 struct lang_type_header GTY((skip (""))) h; 1341 struct lang_type_class GTY((tag ("1"))) c; 1342 struct lang_type_ptrmem GTY((tag ("0"))) ptrmem; 1343 } GTY((desc ("%h.h.is_lang_type_class"))) u; 1344}; 1345 1346#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007) 1347 1348#define LANG_TYPE_CLASS_CHECK(NODE) __extension__ \ 1349({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \ 1350 if (! lt->u.h.is_lang_type_class) \ 1351 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1352 <->u.c; }) 1353 1354#define LANG_TYPE_PTRMEM_CHECK(NODE) __extension__ \ 1355({ struct lang_type *lt = TYPE_LANG_SPECIFIC (NODE); \ 1356 if (lt->u.h.is_lang_type_class) \ 1357 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1358 <->u.ptrmem; }) 1359 1360#else 1361 1362#define LANG_TYPE_CLASS_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.c) 1363#define LANG_TYPE_PTRMEM_CHECK(NODE) (&TYPE_LANG_SPECIFIC (NODE)->u.ptrmem) 1364 1365#endif /* ENABLE_TREE_CHECKING */ 1366 1367/* Nonzero for _CLASSTYPE means that operator delete is defined. */ 1368#define TYPE_GETS_DELETE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->gets_delete) 1369#define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1) 1370 1371/* Nonzero if `new NODE[x]' should cause the allocation of extra 1372 storage to indicate how many array elements are in use. */ 1373#define TYPE_VEC_NEW_USES_COOKIE(NODE) \ 1374 (CLASS_TYPE_P (NODE) \ 1375 && LANG_TYPE_CLASS_CHECK (NODE)->vec_new_uses_cookie) 1376 1377/* Nonzero means that this _CLASSTYPE node defines ways of converting 1378 itself to other types. */ 1379#define TYPE_HAS_CONVERSION(NODE) \ 1380 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_type_conversion) 1381 1382/* Nonzero means that NODE (a class type) has a default constructor -- 1383 but that it has not yet been declared. */ 1384#define CLASSTYPE_LAZY_DEFAULT_CTOR(NODE) \ 1385 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_default_ctor) 1386 1387/* Nonzero means that NODE (a class type) has a copy constructor -- 1388 but that it has not yet been declared. */ 1389#define CLASSTYPE_LAZY_COPY_CTOR(NODE) \ 1390 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor) 1391 1392/* Nonzero means that NODE (a class type) has a move constructor -- 1393 but that it has not yet been declared. */ 1394#define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \ 1395 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor) 1396 1397/* Nonzero means that NODE (a class type) has an assignment operator 1398 -- but that it has not yet been declared. */ 1399#define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \ 1400 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op) 1401 1402/* Nonzero means that NODE (a class type) has a destructor -- but that 1403 it has not yet been declared. */ 1404#define CLASSTYPE_LAZY_DESTRUCTOR(NODE) \ 1405 (LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor) 1406 1407/* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */ 1408#define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref) 1409 1410/* True iff the class type NODE has an "operator =" whose parameter 1411 has a parameter of type "const X&". */ 1412#define TYPE_HAS_CONST_ASSIGN_REF(NODE) \ 1413 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref) 1414 1415/* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */ 1416#define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref) 1417#define TYPE_HAS_CONST_INIT_REF(NODE) \ 1418 (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref) 1419 1420/* Nonzero if this class has an X(initializer_list<T>) constructor. */ 1421#define TYPE_HAS_LIST_CTOR(NODE) \ 1422 (LANG_TYPE_CLASS_CHECK (NODE)->has_list_ctor) 1423 1424/* Nonzero if this class defines an overloaded operator new. (An 1425 operator new [] doesn't count.) */ 1426#define TYPE_HAS_NEW_OPERATOR(NODE) \ 1427 (LANG_TYPE_CLASS_CHECK (NODE)->has_new) 1428 1429/* Nonzero if this class defines an overloaded operator new[]. */ 1430#define TYPE_HAS_ARRAY_NEW_OPERATOR(NODE) \ 1431 (LANG_TYPE_CLASS_CHECK (NODE)->has_array_new) 1432 1433/* Nonzero means that this type is being defined. I.e., the left brace 1434 starting the definition of this type has been seen. */ 1435#define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined) 1436 1437/* Mark bits for repeated base checks. */ 1438#define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE)) 1439 1440/* Nonzero if the class NODE has multiple paths to the same (virtual) 1441 base object. */ 1442#define CLASSTYPE_DIAMOND_SHAPED_P(NODE) \ 1443 (LANG_TYPE_CLASS_CHECK(NODE)->diamond_shaped) 1444 1445/* Nonzero if the class NODE has multiple instances of the same base 1446 type. */ 1447#define CLASSTYPE_REPEATED_BASE_P(NODE) \ 1448 (LANG_TYPE_CLASS_CHECK(NODE)->repeated_base) 1449 1450/* The member function with which the vtable will be emitted: 1451 the first noninline non-pure-virtual member function. NULL_TREE 1452 if there is no key function or if this is a class template */ 1453#define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method) 1454 1455/* Vector member functions defined in this class. Each element is 1456 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. All 1457 functions with the same name end up in the same slot. The first 1458 two elements are for constructors, and destructors, respectively. 1459 All template conversion operators to innermost template dependent 1460 types are overloaded on the next slot, if they exist. Note, the 1461 names for these functions will not all be the same. The 1462 non-template conversion operators & templated conversions to 1463 non-innermost template types are next, followed by ordinary member 1464 functions. There may be empty entries at the end of the vector. 1465 The conversion operators are unsorted. The ordinary member 1466 functions are sorted, once the class is complete. */ 1467#define CLASSTYPE_METHOD_VEC(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->methods) 1468 1469/* For class templates, this is a TREE_LIST of all member data, 1470 functions, types, and friends in the order of declaration. 1471 The TREE_PURPOSE of each TREE_LIST is NULL_TREE for a friend, 1472 and the RECORD_TYPE for the class template otherwise. */ 1473#define CLASSTYPE_DECL_LIST(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->decl_list) 1474 1475/* The slot in the CLASSTYPE_METHOD_VEC where constructors go. */ 1476#define CLASSTYPE_CONSTRUCTOR_SLOT 0 1477 1478/* The slot in the CLASSTYPE_METHOD_VEC where destructors go. */ 1479#define CLASSTYPE_DESTRUCTOR_SLOT 1 1480 1481/* The first slot in the CLASSTYPE_METHOD_VEC where conversion 1482 operators can appear. */ 1483#define CLASSTYPE_FIRST_CONVERSION_SLOT 2 1484 1485/* A FUNCTION_DECL or OVERLOAD for the constructors for NODE. These 1486 are the constructors that take an in-charge parameter. */ 1487#define CLASSTYPE_CONSTRUCTORS(NODE) \ 1488 (VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_CONSTRUCTOR_SLOT)) 1489 1490/* A FUNCTION_DECL for the destructor for NODE. These are the 1491 destructors that take an in-charge parameter. If 1492 CLASSTYPE_LAZY_DESTRUCTOR is true, then this entry will be NULL 1493 until the destructor is created with lazily_declare_fn. */ 1494#define CLASSTYPE_DESTRUCTORS(NODE) \ 1495 (CLASSTYPE_METHOD_VEC (NODE) \ 1496 ? VEC_index (tree, CLASSTYPE_METHOD_VEC (NODE), CLASSTYPE_DESTRUCTOR_SLOT) \ 1497 : NULL_TREE) 1498 1499/* A dictionary of the nested user-defined-types (class-types, or enums) 1500 found within this class. This table includes nested member class 1501 templates. */ 1502#define CLASSTYPE_NESTED_UTDS(NODE) \ 1503 (LANG_TYPE_CLASS_CHECK (NODE)->nested_udts) 1504 1505/* Nonzero if NODE has a primary base class, i.e., a base class with 1506 which it shares the virtual function table pointer. */ 1507#define CLASSTYPE_HAS_PRIMARY_BASE_P(NODE) \ 1508 (CLASSTYPE_PRIMARY_BINFO (NODE) != NULL_TREE) 1509 1510/* If non-NULL, this is the binfo for the primary base class, i.e., 1511 the base class which contains the virtual function table pointer 1512 for this class. */ 1513#define CLASSTYPE_PRIMARY_BINFO(NODE) \ 1514 (LANG_TYPE_CLASS_CHECK (NODE)->primary_base) 1515 1516/* A vector of BINFOs for the direct and indirect virtual base classes 1517 that this type uses in a post-order depth-first left-to-right 1518 order. (In other words, these bases appear in the order that they 1519 should be initialized.) */ 1520#define CLASSTYPE_VBASECLASSES(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->vbases) 1521 1522/* The type corresponding to NODE when NODE is used as a base class, 1523 i.e., NODE without virtual base classes. */ 1524 1525#define CLASSTYPE_AS_BASE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->as_base) 1526 1527/* True iff NODE is the CLASSTYPE_AS_BASE version of some type. */ 1528 1529#define IS_FAKE_BASE_TYPE(NODE) \ 1530 (TREE_CODE (NODE) == RECORD_TYPE \ 1531 && TYPE_CONTEXT (NODE) && CLASS_TYPE_P (TYPE_CONTEXT (NODE)) \ 1532 && CLASSTYPE_AS_BASE (TYPE_CONTEXT (NODE)) == (NODE)) 1533 1534/* These are the size and alignment of the type without its virtual 1535 base classes, for when we use this type as a base itself. */ 1536#define CLASSTYPE_SIZE(NODE) TYPE_SIZE (CLASSTYPE_AS_BASE (NODE)) 1537#define CLASSTYPE_SIZE_UNIT(NODE) TYPE_SIZE_UNIT (CLASSTYPE_AS_BASE (NODE)) 1538#define CLASSTYPE_ALIGN(NODE) TYPE_ALIGN (CLASSTYPE_AS_BASE (NODE)) 1539#define CLASSTYPE_USER_ALIGN(NODE) TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (NODE)) 1540 1541/* The alignment of NODE, without its virtual bases, in bytes. */ 1542#define CLASSTYPE_ALIGN_UNIT(NODE) \ 1543 (CLASSTYPE_ALIGN (NODE) / BITS_PER_UNIT) 1544 1545/* True if this a Java interface type, declared with 1546 '__attribute__ ((java_interface))'. */ 1547#define TYPE_JAVA_INTERFACE(NODE) \ 1548 (LANG_TYPE_CLASS_CHECK (NODE)->java_interface) 1549 1550/* A VEC(tree) of virtual functions which cannot be inherited by 1551 derived classes. When deriving from this type, the derived 1552 class must provide its own definition for each of these functions. */ 1553#define CLASSTYPE_PURE_VIRTUALS(NODE) \ 1554 (LANG_TYPE_CLASS_CHECK (NODE)->pure_virtuals) 1555 1556/* Nonzero means that this type has an X() constructor. */ 1557#define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \ 1558 (LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor) 1559 1560/* Nonzero means that this type contains a mutable member. */ 1561#define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable) 1562#define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE)) 1563 1564/* Nonzero means that this class type is not POD for the purpose of layout 1565 (as defined in the ABI). This is different from the language's POD. */ 1566#define CLASSTYPE_NON_LAYOUT_POD_P(NODE) \ 1567 (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_class) 1568 1569/* Nonzero means that this class type is a non-standard-layout class. */ 1570#define CLASSTYPE_NON_STD_LAYOUT(NODE) \ 1571 (LANG_TYPE_CLASS_CHECK (NODE)->non_std_layout) 1572 1573/* Nonzero means that this class contains pod types whose default 1574 initialization is not a zero initialization (namely, pointers to 1575 data members). */ 1576#define CLASSTYPE_NON_ZERO_INIT_P(NODE) \ 1577 (LANG_TYPE_CLASS_CHECK (NODE)->non_zero_init) 1578 1579/* Nonzero if this class is "empty" in the sense of the C++ ABI. */ 1580#define CLASSTYPE_EMPTY_P(NODE) \ 1581 (LANG_TYPE_CLASS_CHECK (NODE)->empty_p) 1582 1583/* Nonzero if this class is "nearly empty", i.e., contains only a 1584 virtual function table pointer. */ 1585#define CLASSTYPE_NEARLY_EMPTY_P(NODE) \ 1586 (LANG_TYPE_CLASS_CHECK (NODE)->nearly_empty_p) 1587 1588/* Nonzero if this class contains an empty subobject. */ 1589#define CLASSTYPE_CONTAINS_EMPTY_CLASS_P(NODE) \ 1590 (LANG_TYPE_CLASS_CHECK (NODE)->contains_empty_class_p) 1591 1592/* A list of class types of which this type is a friend. The 1593 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the 1594 case of a template friend. */ 1595#define CLASSTYPE_FRIEND_CLASSES(NODE) \ 1596 (LANG_TYPE_CLASS_CHECK (NODE)->friend_classes) 1597 1598/* A list of the classes which grant friendship to this class. */ 1599#define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \ 1600 (LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes) 1601 1602/* The associated LAMBDA_EXPR that made this class. */ 1603#define CLASSTYPE_LAMBDA_EXPR(NODE) \ 1604 (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr) 1605/* The extra mangling scope for this closure type. */ 1606#define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \ 1607 (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE))) 1608 1609/* Say whether this node was declared as a "class" or a "struct". */ 1610#define CLASSTYPE_DECLARED_CLASS(NODE) \ 1611 (LANG_TYPE_CLASS_CHECK (NODE)->declared_class) 1612 1613/* Nonzero if this class has const members 1614 which have no specified initialization. */ 1615#define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) \ 1616 (TYPE_LANG_SPECIFIC (NODE) \ 1617 ? LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init : 0) 1618#define SET_CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE, VALUE) \ 1619 (LANG_TYPE_CLASS_CHECK (NODE)->h.const_needs_init = (VALUE)) 1620 1621/* Nonzero if this class has ref members 1622 which have no specified initialization. */ 1623#define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) \ 1624 (TYPE_LANG_SPECIFIC (NODE) \ 1625 ? LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init : 0) 1626#define SET_CLASSTYPE_REF_FIELDS_NEED_INIT(NODE, VALUE) \ 1627 (LANG_TYPE_CLASS_CHECK (NODE)->h.ref_needs_init = (VALUE)) 1628 1629/* Nonzero if this class is included from a header file which employs 1630 `#pragma interface', and it is not included in its implementation file. */ 1631#define CLASSTYPE_INTERFACE_ONLY(NODE) \ 1632 (LANG_TYPE_CLASS_CHECK (NODE)->interface_only) 1633 1634/* True if we have already determined whether or not vtables, VTTs, 1635 typeinfo, and other similar per-class data should be emitted in 1636 this translation unit. This flag does not indicate whether or not 1637 these items should be emitted; it only indicates that we know one 1638 way or the other. */ 1639#define CLASSTYPE_INTERFACE_KNOWN(NODE) \ 1640 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown == 0) 1641/* The opposite of CLASSTYPE_INTERFACE_KNOWN. */ 1642#define CLASSTYPE_INTERFACE_UNKNOWN(NODE) \ 1643 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown) 1644 1645#define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) \ 1646 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = !!(X)) 1647#define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) \ 1648 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 1) 1649#define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) \ 1650 (LANG_TYPE_CLASS_CHECK (NODE)->interface_unknown = 0) 1651 1652/* Nonzero if a _DECL node requires us to output debug info for this class. */ 1653#define CLASSTYPE_DEBUG_REQUESTED(NODE) \ 1654 (LANG_TYPE_CLASS_CHECK (NODE)->debug_requested) 1655 1656/* Additional macros for inheritance information. */ 1657 1658/* Nonzero means that this class is on a path leading to a new vtable. */ 1659#define BINFO_VTABLE_PATH_MARKED(NODE) BINFO_FLAG_1 (NODE) 1660 1661/* Nonzero means B (a BINFO) has its own vtable. Any copies will not 1662 have this flag set. */ 1663#define BINFO_NEW_VTABLE_MARKED(B) (BINFO_FLAG_2 (B)) 1664 1665/* Compare a BINFO_TYPE with another type for equality. For a binfo, 1666 this is functionally equivalent to using same_type_p, but 1667 measurably faster. At least one of the arguments must be a 1668 BINFO_TYPE. The other can be a BINFO_TYPE or a regular type. If 1669 BINFO_TYPE(T) ever stops being the main variant of the class the 1670 binfo is for, this macro must change. */ 1671#define SAME_BINFO_TYPE_P(A, B) ((A) == (B)) 1672 1673/* Any subobject that needs a new vtable must have a vptr and must not 1674 be a non-virtual primary base (since it would then use the vtable from a 1675 derived class and never become non-primary.) */ 1676#define SET_BINFO_NEW_VTABLE_MARKED(B) \ 1677 (BINFO_NEW_VTABLE_MARKED (B) = 1, \ 1678 gcc_assert (!BINFO_PRIMARY_P (B) || BINFO_VIRTUAL_P (B)), \ 1679 gcc_assert (TYPE_VFIELD (BINFO_TYPE (B)))) 1680 1681/* Nonzero if this binfo is for a dependent base - one that should not 1682 be searched. */ 1683#define BINFO_DEPENDENT_BASE_P(NODE) BINFO_FLAG_3 (NODE) 1684 1685/* Nonzero if this binfo has lost its primary base binfo (because that 1686 is a nearly-empty virtual base that has been taken by some other 1687 base in the complete hierarchy. */ 1688#define BINFO_LOST_PRIMARY_P(NODE) BINFO_FLAG_4 (NODE) 1689 1690/* Nonzero if this BINFO is a primary base class. */ 1691#define BINFO_PRIMARY_P(NODE) BINFO_FLAG_5(NODE) 1692 1693/* Used by various search routines. */ 1694#define IDENTIFIER_MARKED(NODE) TREE_LANG_FLAG_0 (NODE) 1695 1696/* A VEC(tree_pair_s) of the vcall indices associated with the class 1697 NODE. The PURPOSE of each element is a FUNCTION_DECL for a virtual 1698 function. The VALUE is the index into the virtual table where the 1699 vcall offset for that function is stored, when NODE is a virtual 1700 base. */ 1701#define CLASSTYPE_VCALL_INDICES(NODE) \ 1702 (LANG_TYPE_CLASS_CHECK (NODE)->vcall_indices) 1703 1704/* The various vtables for the class NODE. The primary vtable will be 1705 first, followed by the construction vtables and VTT, if any. */ 1706#define CLASSTYPE_VTABLES(NODE) \ 1707 (LANG_TYPE_CLASS_CHECK (NODE)->vtables) 1708 1709/* The std::type_info variable representing this class, or NULL if no 1710 such variable has been created. This field is only set for the 1711 TYPE_MAIN_VARIANT of the class. */ 1712#define CLASSTYPE_TYPEINFO_VAR(NODE) \ 1713 (LANG_TYPE_CLASS_CHECK (NODE)->typeinfo_var) 1714 1715/* Accessor macros for the BINFO_VIRTUALS list. */ 1716 1717/* The number of bytes by which to adjust the `this' pointer when 1718 calling this virtual function. Subtract this value from the this 1719 pointer. Always non-NULL, might be constant zero though. */ 1720#define BV_DELTA(NODE) (TREE_PURPOSE (NODE)) 1721 1722/* If non-NULL, the vtable index at which to find the vcall offset 1723 when calling this virtual function. Add the value at that vtable 1724 index to the this pointer. */ 1725#define BV_VCALL_INDEX(NODE) (TREE_TYPE (NODE)) 1726 1727/* The function to call. */ 1728#define BV_FN(NODE) (TREE_VALUE (NODE)) 1729 1730 1731/* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that 1732 this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE 1733 will be NULL_TREE to indicate a throw specification of `()', or 1734 no exceptions allowed. */ 1735#define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE) 1736 1737/* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */ 1738#define TYPE_NOTHROW_P(NODE) \ 1739 (TYPE_RAISES_EXCEPTIONS (NODE) \ 1740 && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE) 1741 1742/* The binding level associated with the namespace. */ 1743#define NAMESPACE_LEVEL(NODE) \ 1744 (LANG_DECL_NS_CHECK (NODE)->level) 1745 1746/* Flags shared by all forms of DECL_LANG_SPECIFIC. 1747 1748 Some of the flags live here only to make lang_decl_min/fn smaller. Do 1749 not make this struct larger than 32 bits; instead, make sel smaller. */ 1750 1751struct GTY(()) lang_decl_base { 1752 unsigned selector : 16; /* Larger than necessary for faster access. */ 1753 ENUM_BITFIELD(languages) language : 4; 1754 unsigned use_template : 2; 1755 unsigned not_really_extern : 1; /* var or fn */ 1756 unsigned initialized_in_class : 1; /* var or fn */ 1757 unsigned repo_available_p : 1; /* var or fn */ 1758 unsigned threadprivate_or_deleted_p : 1; /* var or fn */ 1759 unsigned anticipated_p : 1; /* fn or type */ 1760 unsigned friend_attr : 1; /* fn or type */ 1761 unsigned template_conv_p : 1; /* template only? */ 1762 unsigned odr_used : 1; /* var or fn */ 1763 unsigned u2sel : 1; 1764 /* 1 spare bit */ 1765}; 1766 1767/* True for DECL codes which have template info and access. */ 1768#define LANG_DECL_HAS_MIN(NODE) \ 1769 (TREE_CODE (NODE) == FUNCTION_DECL \ 1770 || TREE_CODE (NODE) == FIELD_DECL \ 1771 || TREE_CODE (NODE) == VAR_DECL \ 1772 || TREE_CODE (NODE) == CONST_DECL \ 1773 || TREE_CODE (NODE) == TYPE_DECL \ 1774 || TREE_CODE (NODE) == TEMPLATE_DECL \ 1775 || TREE_CODE (NODE) == USING_DECL) 1776 1777/* DECL_LANG_SPECIFIC for the above codes. */ 1778 1779struct GTY(()) lang_decl_min { 1780 struct lang_decl_base base; 1781 1782 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is 1783 THUNK_ALIAS. 1784 In a FUNCTION_DECL for which DECL_THUNK_P does not hold, 1785 VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is 1786 DECL_TEMPLATE_INFO. */ 1787 tree template_info; 1788 1789 union lang_decl_u2 { 1790 /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is 1791 THUNK_VIRTUAL_OFFSET. 1792 Otherwise this is DECL_ACCESS. */ 1793 tree GTY ((tag ("0"))) access; 1794 1795 /* For VAR_DECL in function, this is DECL_DISCRIMINATOR. */ 1796 int GTY ((tag ("1"))) discriminator; 1797 } GTY ((desc ("%0.u.base.u2sel"))) u2; 1798}; 1799 1800/* Additional DECL_LANG_SPECIFIC information for functions. */ 1801 1802struct GTY(()) lang_decl_fn { 1803 struct lang_decl_min min; 1804 1805 /* In an overloaded operator, this is the value of 1806 DECL_OVERLOADED_OPERATOR_P. */ 1807 ENUM_BITFIELD (tree_code) operator_code : 16; 1808 1809 unsigned global_ctor_p : 1; 1810 unsigned global_dtor_p : 1; 1811 unsigned constructor_attr : 1; 1812 unsigned destructor_attr : 1; 1813 unsigned assignment_operator_p : 1; 1814 unsigned static_function : 1; 1815 unsigned pure_virtual : 1; 1816 unsigned defaulted_p : 1; 1817 1818 unsigned has_in_charge_parm_p : 1; 1819 unsigned has_vtt_parm_p : 1; 1820 unsigned pending_inline_p : 1; 1821 unsigned nonconverting : 1; 1822 unsigned thunk_p : 1; 1823 unsigned this_thunk_p : 1; 1824 unsigned hidden_friend_p : 1; 1825 /* 1 spare bit. */ 1826 1827 /* For a non-thunk function decl, this is a tree list of 1828 friendly classes. For a thunk function decl, it is the 1829 thunked to function decl. */ 1830 tree befriending_classes; 1831 1832 /* For a non-virtual FUNCTION_DECL, this is 1833 DECL_FRIEND_CONTEXT. For a virtual FUNCTION_DECL for which 1834 DECL_THIS_THUNK_P does not hold, this is DECL_THUNKS. Both 1835 this pointer and result pointer adjusting thunks are 1836 chained here. This pointer thunks to return pointer thunks 1837 will be chained on the return pointer thunk. */ 1838 tree context; 1839 1840 union lang_decl_u5 1841 { 1842 /* In a non-thunk FUNCTION_DECL or TEMPLATE_DECL, this is 1843 DECL_CLONED_FUNCTION. */ 1844 tree GTY ((tag ("0"))) cloned_function; 1845 1846 /* In a FUNCTION_DECL for which THUNK_P holds this is the 1847 THUNK_FIXED_OFFSET. */ 1848 HOST_WIDE_INT GTY ((tag ("1"))) fixed_offset; 1849 } GTY ((desc ("%1.thunk_p"))) u5; 1850 1851 union lang_decl_u3 1852 { 1853 struct cp_token_cache * GTY ((tag ("1"))) pending_inline_info; 1854 struct language_function * GTY ((tag ("0"))) 1855 saved_language_function; 1856 } GTY ((desc ("%1.pending_inline_p"))) u; 1857 1858}; 1859 1860/* DECL_LANG_SPECIFIC for namespaces. */ 1861 1862struct GTY(()) lang_decl_ns { 1863 struct lang_decl_base base; 1864 struct cp_binding_level *level; 1865}; 1866 1867/* DECL_LANG_SPECIFIC for parameters. */ 1868 1869struct GTY(()) lang_decl_parm { 1870 struct lang_decl_base base; 1871 int index; 1872}; 1873 1874/* DECL_LANG_SPECIFIC for all types. It would be nice to just make this a 1875 union rather than a struct containing a union as its only field, but 1876 tree.h declares it as a struct. */ 1877 1878struct GTY(()) lang_decl { 1879 union GTY((desc ("%h.base.selector"))) lang_decl_u { 1880 struct lang_decl_base GTY ((default)) base; 1881 struct lang_decl_min GTY((tag ("0"))) min; 1882 struct lang_decl_fn GTY ((tag ("1"))) fn; 1883 struct lang_decl_ns GTY((tag ("2"))) ns; 1884 struct lang_decl_parm GTY((tag ("3"))) parm; 1885 } u; 1886}; 1887 1888/* Looks through a template (if present) to find what it declares. */ 1889#define STRIP_TEMPLATE(NODE) \ 1890 (TREE_CODE (NODE) == TEMPLATE_DECL ? DECL_TEMPLATE_RESULT (NODE) : NODE) 1891 1892#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007) 1893 1894#define LANG_DECL_MIN_CHECK(NODE) __extension__ \ 1895({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \ 1896 if (!LANG_DECL_HAS_MIN (NODE)) \ 1897 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1898 <->u.min; }) 1899 1900/* We want to be able to check DECL_CONSTRUCTOR_P and such on a function 1901 template, not just on a FUNCTION_DECL. So when looking for things in 1902 lang_decl_fn, look down through a TEMPLATE_DECL into its result. */ 1903#define LANG_DECL_FN_CHECK(NODE) __extension__ \ 1904({ struct lang_decl *lt = DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE)); \ 1905 if (!DECL_DECLARES_FUNCTION_P (NODE) || lt->u.base.selector != 1) \ 1906 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1907 <->u.fn; }) 1908 1909#define LANG_DECL_NS_CHECK(NODE) __extension__ \ 1910({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \ 1911 if (TREE_CODE (NODE) != NAMESPACE_DECL || lt->u.base.selector != 2) \ 1912 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1913 <->u.ns; }) 1914 1915#define LANG_DECL_PARM_CHECK(NODE) __extension__ \ 1916({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \ 1917 if (TREE_CODE (NODE) != PARM_DECL) \ 1918 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1919 <->u.parm; }) 1920 1921#define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \ 1922({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \ 1923 if (!LANG_DECL_HAS_MIN (NODE) || lt->u.base.u2sel != TF) \ 1924 lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \ 1925 <->u.min.u2; }) 1926 1927#else 1928 1929#define LANG_DECL_MIN_CHECK(NODE) \ 1930 (&DECL_LANG_SPECIFIC (NODE)->u.min) 1931 1932#define LANG_DECL_FN_CHECK(NODE) \ 1933 (&DECL_LANG_SPECIFIC (STRIP_TEMPLATE (NODE))->u.fn) 1934 1935#define LANG_DECL_NS_CHECK(NODE) \ 1936 (&DECL_LANG_SPECIFIC (NODE)->u.ns) 1937 1938#define LANG_DECL_PARM_CHECK(NODE) \ 1939 (&DECL_LANG_SPECIFIC (NODE)->u.parm) 1940 1941#define LANG_DECL_U2_CHECK(NODE, TF) \ 1942 (&DECL_LANG_SPECIFIC (NODE)->u.min.u2) 1943 1944#endif /* ENABLE_TREE_CHECKING */ 1945 1946/* For a FUNCTION_DECL or a VAR_DECL, the language linkage for the 1947 declaration. Some entities (like a member function in a local 1948 class, or a local variable) do not have linkage at all, and this 1949 macro should not be used in those cases. 1950 1951 Implementation note: A FUNCTION_DECL without DECL_LANG_SPECIFIC was 1952 created by language-independent code, and has C linkage. Most 1953 VAR_DECLs have C++ linkage, and do not have DECL_LANG_SPECIFIC, but 1954 we do create DECL_LANG_SPECIFIC for variables with non-C++ linkage. */ 1955#define DECL_LANGUAGE(NODE) \ 1956 (DECL_LANG_SPECIFIC (NODE) \ 1957 ? DECL_LANG_SPECIFIC (NODE)->u.base.language \ 1958 : (TREE_CODE (NODE) == FUNCTION_DECL \ 1959 ? lang_c : lang_cplusplus)) 1960 1961/* Set the language linkage for NODE to LANGUAGE. */ 1962#define SET_DECL_LANGUAGE(NODE, LANGUAGE) \ 1963 (DECL_LANG_SPECIFIC (NODE)->u.base.language = (LANGUAGE)) 1964 1965/* For FUNCTION_DECLs: nonzero means that this function is a constructor. */ 1966#define DECL_CONSTRUCTOR_P(NODE) \ 1967 (LANG_DECL_FN_CHECK (NODE)->constructor_attr) 1968 1969/* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a complete 1970 object. */ 1971#define DECL_COMPLETE_CONSTRUCTOR_P(NODE) \ 1972 (DECL_CONSTRUCTOR_P (NODE) \ 1973 && DECL_NAME (NODE) == complete_ctor_identifier) 1974 1975/* Nonzero if NODE (a FUNCTION_DECL) is a constructor for a base 1976 object. */ 1977#define DECL_BASE_CONSTRUCTOR_P(NODE) \ 1978 (DECL_CONSTRUCTOR_P (NODE) \ 1979 && DECL_NAME (NODE) == base_ctor_identifier) 1980 1981/* Nonzero if NODE (a FUNCTION_DECL) is a constructor, but not either the 1982 specialized in-charge constructor or the specialized not-in-charge 1983 constructor. */ 1984#define DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P(NODE) \ 1985 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_CONSTRUCTOR_P (NODE) \ 1986 && !DECL_CLONED_FUNCTION_P (NODE)) 1987 1988/* Nonzero if NODE (a FUNCTION_DECL) is a copy constructor. */ 1989#define DECL_COPY_CONSTRUCTOR_P(NODE) \ 1990 (DECL_CONSTRUCTOR_P (NODE) && copy_fn_p (NODE) > 0) 1991 1992/* Nonzero if NODE (a FUNCTION_DECL) is a move constructor. */ 1993#define DECL_MOVE_CONSTRUCTOR_P(NODE) \ 1994 (DECL_CONSTRUCTOR_P (NODE) && move_fn_p (NODE)) 1995 1996/* Nonzero if NODE is a destructor. */ 1997#define DECL_DESTRUCTOR_P(NODE) \ 1998 (LANG_DECL_FN_CHECK (NODE)->destructor_attr) 1999 2000/* Nonzero if NODE (a FUNCTION_DECL) is a destructor, but not the 2001 specialized in-charge constructor, in-charge deleting constructor, 2002 or the base destructor. */ 2003#define DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P(NODE) \ 2004 (DECL_DECLARES_FUNCTION_P (NODE) && DECL_DESTRUCTOR_P (NODE) \ 2005 && !DECL_CLONED_FUNCTION_P (NODE)) 2006 2007/* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete 2008 object. */ 2009#define DECL_COMPLETE_DESTRUCTOR_P(NODE) \ 2010 (DECL_DESTRUCTOR_P (NODE) \ 2011 && DECL_NAME (NODE) == complete_dtor_identifier) 2012 2013/* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a base 2014 object. */ 2015#define DECL_BASE_DESTRUCTOR_P(NODE) \ 2016 (DECL_DESTRUCTOR_P (NODE) \ 2017 && DECL_NAME (NODE) == base_dtor_identifier) 2018 2019/* Nonzero if NODE (a FUNCTION_DECL) is a destructor for a complete 2020 object that deletes the object after it has been destroyed. */ 2021#define DECL_DELETING_DESTRUCTOR_P(NODE) \ 2022 (DECL_DESTRUCTOR_P (NODE) \ 2023 && DECL_NAME (NODE) == deleting_dtor_identifier) 2024 2025/* Nonzero if NODE (a FUNCTION_DECL) is a cloned constructor or 2026 destructor. */ 2027#define DECL_CLONED_FUNCTION_P(NODE) (!!decl_cloned_function_p (NODE, true)) 2028 2029/* If DECL_CLONED_FUNCTION_P holds, this is the function that was 2030 cloned. */ 2031#define DECL_CLONED_FUNCTION(NODE) (*decl_cloned_function_p (NODE, false)) 2032 2033/* Perform an action for each clone of FN, if FN is a function with 2034 clones. This macro should be used like: 2035 2036 FOR_EACH_CLONE (clone, fn) 2037 { ... } 2038 2039 */ 2040#define FOR_EACH_CLONE(CLONE, FN) \ 2041 if (TREE_CODE (FN) == FUNCTION_DECL \ 2042 && (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \ 2043 || DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \ 2044 for (CLONE = TREE_CHAIN (FN); \ 2045 CLONE && DECL_CLONED_FUNCTION_P (CLONE); \ 2046 CLONE = TREE_CHAIN (CLONE)) 2047 2048/* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */ 2049#define DECL_DISCRIMINATOR_P(NODE) \ 2050 (TREE_CODE (NODE) == VAR_DECL \ 2051 && DECL_FUNCTION_SCOPE_P (NODE)) 2052 2053/* Discriminator for name mangling. */ 2054#define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator) 2055 2056/* True iff DECL_DISCRIMINATOR is set for a DECL_DISCRIMINATOR_P decl. */ 2057#define DECL_DISCRIMINATOR_SET_P(NODE) \ 2058 (DECL_LANG_SPECIFIC (NODE) && DECL_LANG_SPECIFIC (NODE)->u.base.u2sel == 1) 2059 2060/* The index of a user-declared parameter in its function, starting at 1. 2061 All artificial parameters will have index 0. */ 2062#define DECL_PARM_INDEX(NODE) \ 2063 (LANG_DECL_PARM_CHECK (NODE)->index) 2064 2065/* Nonzero if the VTT parm has been added to NODE. */ 2066#define DECL_HAS_VTT_PARM_P(NODE) \ 2067 (LANG_DECL_FN_CHECK (NODE)->has_vtt_parm_p) 2068 2069/* Nonzero if NODE is a FUNCTION_DECL for which a VTT parameter is 2070 required. */ 2071#define DECL_NEEDS_VTT_PARM_P(NODE) \ 2072 (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (NODE)) \ 2073 && (DECL_BASE_CONSTRUCTOR_P (NODE) \ 2074 || DECL_BASE_DESTRUCTOR_P (NODE))) 2075 2076/* Nonzero if NODE is a user-defined conversion operator. */ 2077#define DECL_CONV_FN_P(NODE) \ 2078 (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE))) 2079 2080/* If FN is a conversion operator, the type to which it converts. 2081 Otherwise, NULL_TREE. */ 2082#define DECL_CONV_FN_TYPE(FN) \ 2083 (DECL_CONV_FN_P (FN) ? TREE_TYPE (DECL_NAME (FN)) : NULL_TREE) 2084 2085/* Nonzero if NODE, which is a TEMPLATE_DECL, is a template 2086 conversion operator to a type dependent on the innermost template 2087 args. */ 2088#define DECL_TEMPLATE_CONV_FN_P(NODE) \ 2089 (DECL_LANG_SPECIFIC (TEMPLATE_DECL_CHECK (NODE))->u.base.template_conv_p) 2090 2091/* Set the overloaded operator code for NODE to CODE. */ 2092#define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \ 2093 (LANG_DECL_FN_CHECK (NODE)->operator_code = (CODE)) 2094 2095/* If NODE is an overloaded operator, then this returns the TREE_CODE 2096 associated with the overloaded operator. 2097 DECL_ASSIGNMENT_OPERATOR_P must also be checked to determine 2098 whether or not NODE is an assignment operator. If NODE is not an 2099 overloaded operator, ERROR_MARK is returned. Since the numerical 2100 value of ERROR_MARK is zero, this macro can be used as a predicate 2101 to test whether or not NODE is an overloaded operator. */ 2102#define DECL_OVERLOADED_OPERATOR_P(NODE) \ 2103 (IDENTIFIER_OPNAME_P (DECL_NAME (NODE)) \ 2104 ? LANG_DECL_FN_CHECK (NODE)->operator_code : ERROR_MARK) 2105 2106/* Nonzero if NODE is an assignment operator (including += and such). */ 2107#define DECL_ASSIGNMENT_OPERATOR_P(NODE) \ 2108 (LANG_DECL_FN_CHECK (NODE)->assignment_operator_p) 2109 2110/* For FUNCTION_DECLs: nonzero means that this function is a 2111 constructor or a destructor with an extra in-charge parameter to 2112 control whether or not virtual bases are constructed. */ 2113#define DECL_HAS_IN_CHARGE_PARM_P(NODE) \ 2114 (LANG_DECL_FN_CHECK (NODE)->has_in_charge_parm_p) 2115 2116/* Nonzero if DECL is a declaration of __builtin_constant_p. */ 2117#define DECL_IS_BUILTIN_CONSTANT_P(NODE) \ 2118 (TREE_CODE (NODE) == FUNCTION_DECL \ 2119 && DECL_BUILT_IN_CLASS (NODE) == BUILT_IN_NORMAL \ 2120 && DECL_FUNCTION_CODE (NODE) == BUILT_IN_CONSTANT_P) 2121 2122/* Nonzero for _DECL means that this decl appears in (or will appear 2123 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for 2124 detecting circularity in case members are multiply defined. In the 2125 case of a VAR_DECL, it is also used to determine how program storage 2126 should be allocated. */ 2127#define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3 (NODE)) 2128 2129/* Nonzero for a VAR_DECL means that the variable's initialization (if 2130 any) has been processed. (In general, DECL_INITIALIZED_P is 2131 !DECL_EXTERN, but static data members may be initialized even if 2132 not defined.) */ 2133#define DECL_INITIALIZED_P(NODE) \ 2134 (TREE_LANG_FLAG_1 (VAR_DECL_CHECK (NODE))) 2135 2136/* Nonzero for a VAR_DECL iff an explicit initializer was provided. */ 2137#define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \ 2138 (TREE_LANG_FLAG_3 (VAR_DECL_CHECK (NODE))) 2139 2140/* Nonzero for a VAR_DECL that was initialized with a 2141 constant-expression. */ 2142#define DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P(NODE) \ 2143 (TREE_LANG_FLAG_2 (VAR_DECL_CHECK (NODE))) 2144 2145/* Nonzero for a VAR_DECL that can be used in an integral constant 2146 expression. 2147 2148 [expr.const] 2149 2150 An integral constant-expression can only involve ... const 2151 variables of static or enumeration types initialized with 2152 constant expressions ... 2153 2154 The standard does not require that the expression be non-volatile. 2155 G++ implements the proposed correction in DR 457. */ 2156#define DECL_INTEGRAL_CONSTANT_VAR_P(NODE) \ 2157 (TREE_CODE (NODE) == VAR_DECL \ 2158 && CP_TYPE_CONST_NON_VOLATILE_P (TREE_TYPE (NODE)) \ 2159 && INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (NODE)) \ 2160 && DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (NODE)) 2161 2162/* Nonzero if the DECL was initialized in the class definition itself, 2163 rather than outside the class. This is used for both static member 2164 VAR_DECLS, and FUNCTION_DECLS that are defined in the class. */ 2165#define DECL_INITIALIZED_IN_CLASS_P(DECL) \ 2166 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \ 2167 ->u.base.initialized_in_class) 2168 2169/* Nonzero if the DECL is used in the sense of 3.2 [basic.def.odr]. 2170 Only available for decls with DECL_LANG_SPECIFIC. */ 2171#define DECL_ODR_USED(DECL) \ 2172 (DECL_LANG_SPECIFIC (VAR_OR_FUNCTION_DECL_CHECK (DECL)) \ 2173 ->u.base.odr_used) 2174 2175/* Nonzero for DECL means that this decl is just a friend declaration, 2176 and should not be added to the list of members for this class. */ 2177#define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.friend_attr) 2178 2179/* A TREE_LIST of the types which have befriended this FUNCTION_DECL. */ 2180#define DECL_BEFRIENDING_CLASSES(NODE) \ 2181 (LANG_DECL_FN_CHECK (NODE)->befriending_classes) 2182 2183/* Nonzero for FUNCTION_DECL means that this decl is a static 2184 member function. */ 2185#define DECL_STATIC_FUNCTION_P(NODE) \ 2186 (LANG_DECL_FN_CHECK (NODE)->static_function) 2187 2188/* Nonzero for FUNCTION_DECL means that this decl is a non-static 2189 member function. */ 2190#define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \ 2191 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE) 2192 2193/* Nonzero for FUNCTION_DECL means that this decl is a member function 2194 (static or non-static). */ 2195#define DECL_FUNCTION_MEMBER_P(NODE) \ 2196 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE)) 2197 2198/* Nonzero for FUNCTION_DECL means that this member function 2199 has `this' as const X *const. */ 2200#define DECL_CONST_MEMFUNC_P(NODE) \ 2201 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \ 2202 && CP_TYPE_CONST_P (TREE_TYPE (TREE_VALUE \ 2203 (TYPE_ARG_TYPES (TREE_TYPE (NODE)))))) 2204 2205/* Nonzero for FUNCTION_DECL means that this member function 2206 has `this' as volatile X *const. */ 2207#define DECL_VOLATILE_MEMFUNC_P(NODE) \ 2208 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \ 2209 && CP_TYPE_VOLATILE_P (TREE_TYPE (TREE_VALUE \ 2210 (TYPE_ARG_TYPES (TREE_TYPE (NODE)))))) 2211 2212/* Nonzero for a DECL means that this member is a non-static member. */ 2213#define DECL_NONSTATIC_MEMBER_P(NODE) \ 2214 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) \ 2215 || TREE_CODE (NODE) == FIELD_DECL) 2216 2217/* Nonzero for _DECL means that this member object type 2218 is mutable. */ 2219#define DECL_MUTABLE_P(NODE) (DECL_LANG_FLAG_0 (NODE)) 2220 2221/* Nonzero for _DECL means that this constructor or conversion function is 2222 non-converting. */ 2223#define DECL_NONCONVERTING_P(NODE) \ 2224 (LANG_DECL_FN_CHECK (NODE)->nonconverting) 2225 2226/* Nonzero for FUNCTION_DECL means that this member function is a pure 2227 virtual function. */ 2228#define DECL_PURE_VIRTUAL_P(NODE) \ 2229 (LANG_DECL_FN_CHECK (NODE)->pure_virtual) 2230 2231/* True (in a FUNCTION_DECL) if NODE is a virtual function that is an 2232 invalid overrider for a function from a base class. Once we have 2233 complained about an invalid overrider we avoid complaining about it 2234 again. */ 2235#define DECL_INVALID_OVERRIDER_P(NODE) \ 2236 (DECL_LANG_FLAG_4 (NODE)) 2237 2238/* The thunks associated with NODE, a FUNCTION_DECL. */ 2239#define DECL_THUNKS(NODE) \ 2240 (LANG_DECL_FN_CHECK (NODE)->context) 2241 2242/* Nonzero if NODE is a thunk, rather than an ordinary function. */ 2243#define DECL_THUNK_P(NODE) \ 2244 (TREE_CODE (NODE) == FUNCTION_DECL \ 2245 && DECL_LANG_SPECIFIC (NODE) \ 2246 && LANG_DECL_FN_CHECK (NODE)->thunk_p) 2247 2248/* Set DECL_THUNK_P for node. */ 2249#define SET_DECL_THUNK_P(NODE, THIS_ADJUSTING) \ 2250 (LANG_DECL_FN_CHECK (NODE)->thunk_p = 1, \ 2251 LANG_DECL_FN_CHECK (NODE)->this_thunk_p = (THIS_ADJUSTING)) 2252 2253/* Nonzero if NODE is a this pointer adjusting thunk. */ 2254#define DECL_THIS_THUNK_P(NODE) \ 2255 (DECL_THUNK_P (NODE) && LANG_DECL_FN_CHECK (NODE)->this_thunk_p) 2256 2257/* Nonzero if NODE is a result pointer adjusting thunk. */ 2258#define DECL_RESULT_THUNK_P(NODE) \ 2259 (DECL_THUNK_P (NODE) && !LANG_DECL_FN_CHECK (NODE)->this_thunk_p) 2260 2261/* Nonzero if NODE is a FUNCTION_DECL, but not a thunk. */ 2262#define DECL_NON_THUNK_FUNCTION_P(NODE) \ 2263 (TREE_CODE (NODE) == FUNCTION_DECL && !DECL_THUNK_P (NODE)) 2264 2265/* Nonzero if NODE is `extern "C"'. */ 2266#define DECL_EXTERN_C_P(NODE) \ 2267 (DECL_LANGUAGE (NODE) == lang_c) 2268 2269/* Nonzero if NODE is an `extern "C"' function. */ 2270#define DECL_EXTERN_C_FUNCTION_P(NODE) \ 2271 (DECL_NON_THUNK_FUNCTION_P (NODE) && DECL_EXTERN_C_P (NODE)) 2272 2273/* True iff DECL is an entity with vague linkage whose definition is 2274 available in this translation unit. */ 2275#define DECL_REPO_AVAILABLE_P(NODE) \ 2276 (DECL_LANG_SPECIFIC (NODE)->u.base.repo_available_p) 2277 2278/* True if DECL is declared 'constexpr'. */ 2279#define DECL_DECLARED_CONSTEXPR_P(DECL) \ 2280 DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (DECL)) 2281 2282/* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a 2283 template function. */ 2284#define DECL_PRETTY_FUNCTION_P(NODE) \ 2285 (TREE_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))) 2286 2287/* The _TYPE context in which this _DECL appears. This field holds the 2288 class where a virtual function instance is actually defined. */ 2289#define DECL_CLASS_CONTEXT(NODE) \ 2290 (DECL_CLASS_SCOPE_P (NODE) ? DECL_CONTEXT (NODE) : NULL_TREE) 2291 2292/* For a non-member friend function, the class (if any) in which this 2293 friend was defined. For example, given: 2294 2295 struct S { friend void f (); }; 2296 2297 the DECL_FRIEND_CONTEXT for `f' will be `S'. */ 2298#define DECL_FRIEND_CONTEXT(NODE) \ 2299 ((DECL_DECLARES_FUNCTION_P (NODE) \ 2300 && DECL_FRIEND_P (NODE) && !DECL_FUNCTION_MEMBER_P (NODE)) \ 2301 ? LANG_DECL_FN_CHECK (NODE)->context \ 2302 : NULL_TREE) 2303 2304/* Set the DECL_FRIEND_CONTEXT for NODE to CONTEXT. */ 2305#define SET_DECL_FRIEND_CONTEXT(NODE, CONTEXT) \ 2306 (LANG_DECL_FN_CHECK (NODE)->context = (CONTEXT)) 2307 2308/* NULL_TREE in DECL_CONTEXT represents the global namespace. */ 2309#define CP_DECL_CONTEXT(NODE) \ 2310 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace) 2311#define CP_TYPE_CONTEXT(NODE) \ 2312 (TYPE_CONTEXT (NODE) ? TYPE_CONTEXT (NODE) : global_namespace) 2313#define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE)) 2314 2315/* 1 iff NODE has namespace scope, including the global namespace. */ 2316#define DECL_NAMESPACE_SCOPE_P(NODE) \ 2317 (!DECL_TEMPLATE_PARM_P (NODE) \ 2318 && TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL) 2319 2320#define TYPE_NAMESPACE_SCOPE_P(NODE) \ 2321 (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL) 2322 2323#define NAMESPACE_SCOPE_P(NODE) \ 2324 ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \ 2325 || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE))) 2326 2327/* 1 iff NODE is a class member. */ 2328#define DECL_CLASS_SCOPE_P(NODE) \ 2329 (DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE))) 2330 2331#define TYPE_CLASS_SCOPE_P(NODE) \ 2332 (TYPE_CONTEXT (NODE) && TYPE_P (TYPE_CONTEXT (NODE))) 2333 2334/* 1 iff NODE is function-local. */ 2335#define DECL_FUNCTION_SCOPE_P(NODE) \ 2336 (DECL_CONTEXT (NODE) \ 2337 && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL) 2338 2339#define TYPE_FUNCTION_SCOPE_P(NODE) \ 2340 (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL) 2341 2342/* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for 2343 both the primary typeinfo object and the associated NTBS name. */ 2344#define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE)) 2345 2346/* 1 iff VAR_DECL node NODE is virtual table or VTT. */ 2347#define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE)) 2348 2349/* Returns 1 iff VAR_DECL is a construction virtual table. 2350 DECL_VTABLE_OR_VTT_P will be true in this case and must be checked 2351 before using this macro. */ 2352#define DECL_CONSTRUCTION_VTABLE_P(NODE) \ 2353 TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE)) 2354 2355/* 1 iff NODE is function-local, but for types. */ 2356#define LOCAL_CLASS_P(NODE) \ 2357 (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE) 2358 2359/* For a NAMESPACE_DECL: the list of using namespace directives 2360 The PURPOSE is the used namespace, the value is the namespace 2361 that is the common ancestor. */ 2362#define DECL_NAMESPACE_USING(NODE) DECL_VINDEX (NAMESPACE_DECL_CHECK (NODE)) 2363 2364/* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users 2365 of a namespace, to record the transitive closure of using namespace. */ 2366#define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NAMESPACE_DECL_CHECK (NODE)) 2367 2368/* In a NAMESPACE_DECL, the list of namespaces which have associated 2369 themselves with this one. */ 2370#define DECL_NAMESPACE_ASSOCIATIONS(NODE) \ 2371 (NAMESPACE_DECL_CHECK (NODE)->decl_non_common.saved_tree) 2372 2373/* In a NAMESPACE_DECL, points to the original namespace if this is 2374 a namespace alias. */ 2375#define DECL_NAMESPACE_ALIAS(NODE) \ 2376 DECL_ABSTRACT_ORIGIN (NAMESPACE_DECL_CHECK (NODE)) 2377#define ORIGINAL_NAMESPACE(NODE) \ 2378 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE)) 2379 2380/* Nonzero if NODE is the std namespace. */ 2381#define DECL_NAMESPACE_STD_P(NODE) \ 2382 (TREE_CODE (NODE) == NAMESPACE_DECL \ 2383 && CP_DECL_CONTEXT (NODE) == global_namespace \ 2384 && DECL_NAME (NODE) == std_identifier) 2385 2386/* In a TREE_LIST concatenating using directives, indicate indirect 2387 directives */ 2388#define TREE_INDIRECT_USING(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0) 2389 2390/* In a TREE_LIST in an attribute list, indicates that the attribute 2391 must be applied at instantiation time. */ 2392#define ATTR_IS_DEPENDENT(NODE) (TREE_LIST_CHECK (NODE)->base.lang_flag_0) 2393 2394extern tree decl_shadowed_for_var_lookup (tree); 2395extern void decl_shadowed_for_var_insert (tree, tree); 2396 2397/* Non zero if this is a using decl for a dependent scope. */ 2398#define DECL_DEPENDENT_P(NODE) DECL_LANG_FLAG_0 (USING_DECL_CHECK (NODE)) 2399 2400/* The scope named in a using decl. */ 2401#define USING_DECL_SCOPE(NODE) TREE_TYPE (USING_DECL_CHECK (NODE)) 2402 2403/* The decls named by a using decl. */ 2404#define USING_DECL_DECLS(NODE) DECL_INITIAL (USING_DECL_CHECK (NODE)) 2405 2406/* In a VAR_DECL, true if we have a shadowed local variable 2407 in the shadowed var table for this VAR_DECL. */ 2408#define DECL_HAS_SHADOWED_FOR_VAR_P(NODE) \ 2409 (VAR_DECL_CHECK (NODE)->decl_with_vis.shadowed_for_var_p) 2410 2411/* In a VAR_DECL for a variable declared in a for statement, 2412 this is the shadowed (local) variable. */ 2413#define DECL_SHADOWED_FOR_VAR(NODE) \ 2414 (DECL_HAS_SHADOWED_FOR_VAR_P(NODE) ? decl_shadowed_for_var_lookup (NODE) : NULL) 2415 2416#define SET_DECL_SHADOWED_FOR_VAR(NODE, VAL) \ 2417 (decl_shadowed_for_var_insert (NODE, VAL)) 2418 2419/* In a FUNCTION_DECL, this is nonzero if this function was defined in 2420 the class definition. We have saved away the text of the function, 2421 but have not yet processed it. */ 2422#define DECL_PENDING_INLINE_P(NODE) \ 2423 (LANG_DECL_FN_CHECK (NODE)->pending_inline_p) 2424 2425/* If DECL_PENDING_INLINE_P holds, this is the saved text of the 2426 function. */ 2427#define DECL_PENDING_INLINE_INFO(NODE) \ 2428 (LANG_DECL_FN_CHECK (NODE)->u.pending_inline_info) 2429 2430/* For a class type: if this structure has many fields, we'll sort them 2431 and put them into a TREE_VEC. */ 2432#define CLASSTYPE_SORTED_FIELDS(NODE) \ 2433 (LANG_TYPE_CLASS_CHECK (NODE)->sorted_fields) 2434 2435/* If non-NULL for a VAR_DECL, FUNCTION_DECL, TYPE_DECL or 2436 TEMPLATE_DECL, the entity is either a template specialization (if 2437 DECL_USE_TEMPLATE is nonzero) or the abstract instance of the 2438 template itself. 2439 2440 In either case, DECL_TEMPLATE_INFO is a TREE_LIST, whose 2441 TREE_PURPOSE is the TEMPLATE_DECL of which this entity is a 2442 specialization or abstract instance. The TREE_VALUE is the 2443 template arguments used to specialize the template. 2444 2445 Consider: 2446 2447 template <typename T> struct S { friend void f(T) {} }; 2448 2449 In this case, S<int>::f is, from the point of view of the compiler, 2450 an instantiation of a template -- but, from the point of view of 2451 the language, each instantiation of S results in a wholly unrelated 2452 global function f. In this case, DECL_TEMPLATE_INFO for S<int>::f 2453 will be non-NULL, but DECL_USE_TEMPLATE will be zero. */ 2454#define DECL_TEMPLATE_INFO(NODE) \ 2455 (DECL_LANG_SPECIFIC (VAR_TEMPL_TYPE_OR_FUNCTION_DECL_CHECK (NODE)) \ 2456 ->u.min.template_info) 2457 2458/* For a VAR_DECL, indicates that the variable is actually a 2459 non-static data member of anonymous union that has been promoted to 2460 variable status. */ 2461#define DECL_ANON_UNION_VAR_P(NODE) \ 2462 (DECL_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))) 2463 2464/* Template information for a RECORD_TYPE or UNION_TYPE. */ 2465#define CLASSTYPE_TEMPLATE_INFO(NODE) \ 2466 (LANG_TYPE_CLASS_CHECK (RECORD_OR_UNION_CHECK (NODE))->template_info) 2467 2468/* Template information for an ENUMERAL_TYPE. Although an enumeration may 2469 not be a primary template, it may be declared within the scope of a 2470 primary template and the enumeration constants may depend on 2471 non-type template parameters. */ 2472#define ENUM_TEMPLATE_INFO(NODE) \ 2473 (TYPE_LANG_SLOT_1 (ENUMERAL_TYPE_CHECK (NODE))) 2474 2475/* Template information for a template template parameter. */ 2476#define TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO(NODE) \ 2477 (LANG_TYPE_CLASS_CHECK (BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK (NODE)) \ 2478 ->template_info) 2479 2480/* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */ 2481#define TYPE_TEMPLATE_INFO(NODE) \ 2482 (TREE_CODE (NODE) == ENUMERAL_TYPE \ 2483 ? ENUM_TEMPLATE_INFO (NODE) : \ 2484 (TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM \ 2485 ? TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (NODE) : \ 2486 (TYPE_LANG_SPECIFIC (NODE) \ 2487 ? CLASSTYPE_TEMPLATE_INFO (NODE) \ 2488 : NULL_TREE))) 2489 2490/* Set the template information for an ENUMERAL_, RECORD_, or 2491 UNION_TYPE to VAL. */ 2492#define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \ 2493 (TREE_CODE (NODE) == ENUMERAL_TYPE \ 2494 ? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \ 2495 : (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL))) 2496 2497#define TI_TEMPLATE(NODE) TREE_TYPE (TEMPLATE_INFO_CHECK (NODE)) 2498#define TI_ARGS(NODE) TREE_CHAIN (TEMPLATE_INFO_CHECK (NODE)) 2499#define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE) 2500/* For a given TREE_VEC containing a template argument list, 2501 this property contains the number of arguments that are not 2502 defaulted. */ 2503#define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) TREE_CHAIN (TREE_VEC_CHECK (NODE)) 2504/* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT 2505 property. */ 2506#define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \ 2507 NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE) 2508#ifdef ENABLE_CHECKING 2509#define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \ 2510 int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) 2511#else 2512#define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \ 2513 NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \ 2514 ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \ 2515 : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE)) 2516#endif 2517/* The list of typedefs - used in the template - that need 2518 access checking at template instantiation time. */ 2519#define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) \ 2520 ((struct tree_template_info*)TEMPLATE_INFO_CHECK \ 2521 (NODE))->typedefs_needing_access_checking 2522 2523/* We use TREE_VECs to hold template arguments. If there is only one 2524 level of template arguments, then the TREE_VEC contains the 2525 arguments directly. If there is more than one level of template 2526 arguments, then each entry in the TREE_VEC is itself a TREE_VEC, 2527 containing the template arguments for a single level. The first 2528 entry in the outer TREE_VEC is the outermost level of template 2529 parameters; the last is the innermost. 2530 2531 It is incorrect to ever form a template argument vector containing 2532 only one level of arguments, but which is a TREE_VEC containing as 2533 its only entry the TREE_VEC for that level. 2534 2535 For each TREE_VEC containing the template arguments for a single 2536 level, it's possible to get or set the number of non defaulted 2537 template arguments by using the accessor macros 2538 GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or 2539 SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */ 2540 2541/* Nonzero if the template arguments is actually a vector of vectors, 2542 rather than just a vector. */ 2543#define TMPL_ARGS_HAVE_MULTIPLE_LEVELS(NODE) \ 2544 (NODE && TREE_VEC_LENGTH (NODE) && TREE_VEC_ELT (NODE, 0) \ 2545 && TREE_CODE (TREE_VEC_ELT (NODE, 0)) == TREE_VEC) 2546 2547/* The depth of a template argument vector. When called directly by 2548 the parser, we use a TREE_LIST rather than a TREE_VEC to represent 2549 template arguments. In fact, we may even see NULL_TREE if there 2550 are no template arguments. In both of those cases, there is only 2551 one level of template arguments. */ 2552#define TMPL_ARGS_DEPTH(NODE) \ 2553 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (NODE) ? TREE_VEC_LENGTH (NODE) : 1) 2554 2555/* The LEVELth level of the template ARGS. The outermost level of 2556 args is level 1, not level 0. */ 2557#define TMPL_ARGS_LEVEL(ARGS, LEVEL) \ 2558 (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (ARGS) \ 2559 ? TREE_VEC_ELT (ARGS, (LEVEL) - 1) : (ARGS)) 2560 2561/* Set the LEVELth level of the template ARGS to VAL. This macro does 2562 not work with single-level argument vectors. */ 2563#define SET_TMPL_ARGS_LEVEL(ARGS, LEVEL, VAL) \ 2564 (TREE_VEC_ELT (ARGS, (LEVEL) - 1) = (VAL)) 2565 2566/* Accesses the IDXth parameter in the LEVELth level of the ARGS. */ 2567#define TMPL_ARG(ARGS, LEVEL, IDX) \ 2568 (TREE_VEC_ELT (TMPL_ARGS_LEVEL (ARGS, LEVEL), IDX)) 2569 2570/* Given a single level of template arguments in NODE, return the 2571 number of arguments. */ 2572#define NUM_TMPL_ARGS(NODE) \ 2573 (TREE_VEC_LENGTH (NODE)) 2574 2575/* Returns the innermost level of template arguments in ARGS. */ 2576#define INNERMOST_TEMPLATE_ARGS(NODE) \ 2577 (get_innermost_template_args ((NODE), 1)) 2578 2579/* The number of levels of template parameters given by NODE. */ 2580#define TMPL_PARMS_DEPTH(NODE) \ 2581 ((HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_PURPOSE (NODE))) 2582 2583/* The TEMPLATE_DECL instantiated or specialized by NODE. This 2584 TEMPLATE_DECL will be the immediate parent, not the most general 2585 template. For example, in: 2586 2587 template <class T> struct S { template <class U> void f(U); } 2588 2589 the FUNCTION_DECL for S<int>::f<double> will have, as its 2590 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'. 2591 2592 As a special case, for a member friend template of a template 2593 class, this value will not be a TEMPLATE_DECL, but rather an 2594 IDENTIFIER_NODE or OVERLOAD indicating the name of the template and 2595 any explicit template arguments provided. For example, in: 2596 2597 template <class T> struct S { friend void f<int>(int, double); } 2598 2599 the DECL_TI_TEMPLATE will be an IDENTIFIER_NODE for `f' and the 2600 DECL_TI_ARGS will be {int}. */ 2601#define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE)) 2602 2603/* The template arguments used to obtain this decl from the most 2604 general form of DECL_TI_TEMPLATE. For the example given for 2605 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These 2606 are always the full set of arguments required to instantiate this 2607 declaration from the most general template specialized here. */ 2608#define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE)) 2609 2610/* The TEMPLATE_DECL associated with NODE, a class type. Even if NODE 2611 will be generated from a partial specialization, the TEMPLATE_DECL 2612 referred to here will be the original template. For example, 2613 given: 2614 2615 template <typename T> struct S {}; 2616 template <typename T> struct S<T*> {}; 2617 2618 the CLASSTPYE_TI_TEMPLATE for S<int*> will be S, not the S<T*>. */ 2619#define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE)) 2620#define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE)) 2621 2622/* For a template instantiation TYPE, returns the TYPE corresponding 2623 to the primary template. Otherwise returns TYPE itself. */ 2624#define CLASSTYPE_PRIMARY_TEMPLATE_TYPE(TYPE) \ 2625 ((CLASSTYPE_USE_TEMPLATE ((TYPE)) \ 2626 && !CLASSTYPE_TEMPLATE_SPECIALIZATION ((TYPE))) \ 2627 ? TREE_TYPE (DECL_TEMPLATE_RESULT (DECL_PRIMARY_TEMPLATE \ 2628 (CLASSTYPE_TI_TEMPLATE ((TYPE))))) \ 2629 : (TYPE)) 2630 2631/* Like CLASS_TI_TEMPLATE, but also works for ENUMERAL_TYPEs. */ 2632#define TYPE_TI_TEMPLATE(NODE) \ 2633 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE))) 2634 2635/* Like DECL_TI_ARGS, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */ 2636#define TYPE_TI_ARGS(NODE) \ 2637 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE))) 2638 2639#define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE (NODE) 2640 2641/* Nonzero if NODE (a TEMPLATE_DECL) is a member template, in the 2642 sense of [temp.mem]. */ 2643#define DECL_MEMBER_TEMPLATE_P(NODE) \ 2644 (DECL_LANG_FLAG_1 (TEMPLATE_DECL_CHECK (NODE))) 2645 2646/* Nonzero if the NODE corresponds to the template parameters for a 2647 member template, whose inline definition is being processed after 2648 the class definition is complete. */ 2649#define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE) 2650 2651/* Determine if a parameter (i.e., a PARM_DECL) is a function 2652 parameter pack. */ 2653#define FUNCTION_PARAMETER_PACK_P(NODE) \ 2654 (DECL_LANG_FLAG_1 (PARM_DECL_CHECK (NODE))) 2655 2656/* Determines if NODE is an expansion of one or more parameter packs, 2657 e.g., a TYPE_PACK_EXPANSION or EXPR_PACK_EXPANSION. */ 2658#define PACK_EXPANSION_P(NODE) \ 2659 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION \ 2660 || TREE_CODE (NODE) == EXPR_PACK_EXPANSION) 2661 2662/* Extracts the type or expression pattern from a TYPE_PACK_EXPANSION or 2663 EXPR_PACK_EXPANSION. */ 2664#define PACK_EXPANSION_PATTERN(NODE) \ 2665 (TREE_CODE (NODE) == TYPE_PACK_EXPANSION? TREE_TYPE (NODE) \ 2666 : TREE_OPERAND (NODE, 0)) 2667 2668/* Sets the type or expression pattern for a TYPE_PACK_EXPANSION or 2669 EXPR_PACK_EXPANSION. */ 2670#define SET_PACK_EXPANSION_PATTERN(NODE,VALUE) \ 2671 if (TREE_CODE (NODE) == TYPE_PACK_EXPANSION) \ 2672 TREE_TYPE (NODE) = VALUE; \ 2673 else \ 2674 TREE_OPERAND (NODE, 0) = VALUE 2675 2676/* The list of parameter packs used in the PACK_EXPANSION_* node. The 2677 TREE_VALUE of each TREE_LIST contains the parameter packs. */ 2678#define PACK_EXPANSION_PARAMETER_PACKS(NODE) TREE_CHAIN (NODE) 2679 2680/* Determine if this is an argument pack. */ 2681#define ARGUMENT_PACK_P(NODE) \ 2682 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK \ 2683 || TREE_CODE (NODE) == NONTYPE_ARGUMENT_PACK) 2684 2685/* The arguments stored in an argument pack. Arguments are stored in a 2686 TREE_VEC, which may have length zero. */ 2687#define ARGUMENT_PACK_ARGS(NODE) \ 2688 (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK? TREE_TYPE (NODE) \ 2689 : TREE_OPERAND (NODE, 0)) 2690 2691/* Set the arguments stored in an argument pack. VALUE must be a 2692 TREE_VEC. */ 2693#define SET_ARGUMENT_PACK_ARGS(NODE,VALUE) \ 2694 if (TREE_CODE (NODE) == TYPE_ARGUMENT_PACK) \ 2695 TREE_TYPE (NODE) = VALUE; \ 2696 else \ 2697 TREE_OPERAND (NODE, 0) = VALUE 2698 2699/* Whether the argument pack is "incomplete", meaning that more 2700 arguments can still be deduced. Incomplete argument packs are only 2701 used when the user has provided an explicit template argument list 2702 for a variadic function template. Some of the explicit template 2703 arguments will be placed into the beginning of the argument pack, 2704 but additional arguments might still be deduced. */ 2705#define ARGUMENT_PACK_INCOMPLETE_P(NODE) \ 2706 TREE_LANG_FLAG_0 (ARGUMENT_PACK_ARGS (NODE)) 2707 2708/* When ARGUMENT_PACK_INCOMPLETE_P, stores the explicit template 2709 arguments used to fill this pack. */ 2710#define ARGUMENT_PACK_EXPLICIT_ARGS(NODE) \ 2711 TREE_TYPE (ARGUMENT_PACK_ARGS (NODE)) 2712 2713/* In an ARGUMENT_PACK_SELECT, the argument pack from which an 2714 argument will be selected. */ 2715#define ARGUMENT_PACK_SELECT_FROM_PACK(NODE) \ 2716 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->argument_pack) 2717 2718/* In an ARGUMENT_PACK_SELECT, the index of the argument we want to 2719 select. */ 2720#define ARGUMENT_PACK_SELECT_INDEX(NODE) \ 2721 (((struct tree_argument_pack_select *)ARGUMENT_PACK_SELECT_CHECK (NODE))->index) 2722 2723/* In an ARGUMENT_PACK_SELECT, the actual underlying argument that the 2724 ARGUMENT_PACK_SELECT represents. */ 2725#define ARGUMENT_PACK_SELECT_ARG(NODE) \ 2726 TREE_VEC_ELT (ARGUMENT_PACK_ARGS (ARGUMENT_PACK_SELECT_FROM_PACK (NODE)), \ 2727 ARGUMENT_PACK_SELECT_INDEX (NODE)); 2728 2729/* In a FUNCTION_DECL, the saved language-specific per-function data. */ 2730#define DECL_SAVED_FUNCTION_DATA(NODE) \ 2731 (LANG_DECL_FN_CHECK (FUNCTION_DECL_CHECK (NODE)) \ 2732 ->u.saved_language_function) 2733 2734/* Indicates an indirect_expr is for converting a reference. */ 2735#define REFERENCE_REF_P(NODE) \ 2736 TREE_LANG_FLAG_0 (INDIRECT_REF_CHECK (NODE)) 2737 2738#define NEW_EXPR_USE_GLOBAL(NODE) \ 2739 TREE_LANG_FLAG_0 (NEW_EXPR_CHECK (NODE)) 2740#define DELETE_EXPR_USE_GLOBAL(NODE) \ 2741 TREE_LANG_FLAG_0 (DELETE_EXPR_CHECK (NODE)) 2742#define DELETE_EXPR_USE_VEC(NODE) \ 2743 TREE_LANG_FLAG_1 (DELETE_EXPR_CHECK (NODE)) 2744 2745/* Indicates that this is a non-dependent COMPOUND_EXPR which will 2746 resolve to a function call. */ 2747#define COMPOUND_EXPR_OVERLOADED(NODE) \ 2748 TREE_LANG_FLAG_0 (COMPOUND_EXPR_CHECK (NODE)) 2749 2750/* In a CALL_EXPR appearing in a template, true if Koenig lookup 2751 should be performed at instantiation time. */ 2752#define KOENIG_LOOKUP_P(NODE) TREE_LANG_FLAG_0 (CALL_EXPR_CHECK (NODE)) 2753 2754/* Indicates whether a string literal has been parenthesized. Such 2755 usages are disallowed in certain circumstances. */ 2756 2757#define PAREN_STRING_LITERAL_P(NODE) \ 2758 TREE_LANG_FLAG_0 (STRING_CST_CHECK (NODE)) 2759 2760/* Nonzero if this AGGR_INIT_EXPR provides for initialization via a 2761 constructor call, rather than an ordinary function call. */ 2762#define AGGR_INIT_VIA_CTOR_P(NODE) \ 2763 TREE_LANG_FLAG_0 (AGGR_INIT_EXPR_CHECK (NODE)) 2764 2765/* Nonzero if expanding this AGGR_INIT_EXPR should first zero-initialize 2766 the object. */ 2767#define AGGR_INIT_ZERO_FIRST(NODE) \ 2768 TREE_LANG_FLAG_2 (AGGR_INIT_EXPR_CHECK (NODE)) 2769 2770/* AGGR_INIT_EXPR accessors. These are equivalent to the CALL_EXPR 2771 accessors, except for AGGR_INIT_EXPR_SLOT (which takes the place of 2772 CALL_EXPR_STATIC_CHAIN). */ 2773 2774#define AGGR_INIT_EXPR_FN(NODE) TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 1) 2775#define AGGR_INIT_EXPR_SLOT(NODE) \ 2776 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 2) 2777#define AGGR_INIT_EXPR_ARG(NODE, I) \ 2778 TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), (I) + 3) 2779#define aggr_init_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3) 2780 2781/* AGGR_INIT_EXPR_ARGP returns a pointer to the argument vector for NODE. 2782 We can't use &AGGR_INIT_EXPR_ARG (NODE, 0) because that will complain if 2783 the argument count is zero when checking is enabled. Instead, do 2784 the pointer arithmetic to advance past the 3 fixed operands in a 2785 AGGR_INIT_EXPR. That produces a valid pointer to just past the end of 2786 the operand array, even if it's not valid to dereference it. */ 2787#define AGGR_INIT_EXPR_ARGP(NODE) \ 2788 (&(TREE_OPERAND (AGGR_INIT_EXPR_CHECK (NODE), 0)) + 3) 2789 2790/* Abstract iterators for AGGR_INIT_EXPRs. */ 2791 2792/* Structure containing iterator state. */ 2793typedef struct GTY (()) aggr_init_expr_arg_iterator_d { 2794 tree t; /* the aggr_init_expr */ 2795 int n; /* argument count */ 2796 int i; /* next argument index */ 2797} aggr_init_expr_arg_iterator; 2798 2799/* Initialize the abstract argument list iterator object ITER with the 2800 arguments from AGGR_INIT_EXPR node EXP. */ 2801static inline void 2802init_aggr_init_expr_arg_iterator (tree exp, 2803 aggr_init_expr_arg_iterator *iter) 2804{ 2805 iter->t = exp; 2806 iter->n = aggr_init_expr_nargs (exp); 2807 iter->i = 0; 2808} 2809 2810/* Return the next argument from abstract argument list iterator object ITER, 2811 and advance its state. Return NULL_TREE if there are no more arguments. */ 2812static inline tree 2813next_aggr_init_expr_arg (aggr_init_expr_arg_iterator *iter) 2814{ 2815 tree result; 2816 if (iter->i >= iter->n) 2817 return NULL_TREE; 2818 result = AGGR_INIT_EXPR_ARG (iter->t, iter->i); 2819 iter->i++; 2820 return result; 2821} 2822 2823/* Initialize the abstract argument list iterator object ITER, then advance 2824 past and return the first argument. Useful in for expressions, e.g. 2825 for (arg = first_aggr_init_expr_arg (exp, &iter); arg; 2826 arg = next_aggr_init_expr_arg (&iter)) */ 2827static inline tree 2828first_aggr_init_expr_arg (tree exp, aggr_init_expr_arg_iterator *iter) 2829{ 2830 init_aggr_init_expr_arg_iterator (exp, iter); 2831 return next_aggr_init_expr_arg (iter); 2832} 2833 2834/* Test whether there are more arguments in abstract argument list iterator 2835 ITER, without changing its state. */ 2836static inline bool 2837more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter) 2838{ 2839 return (iter->i < iter->n); 2840} 2841 2842/* Iterate through each argument ARG of AGGR_INIT_EXPR CALL, using variable 2843 ITER (of type aggr_init_expr_arg_iterator) to hold the iteration state. */ 2844#define FOR_EACH_AGGR_INIT_EXPR_ARG(arg, iter, call) \ 2845 for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \ 2846 (arg) = next_aggr_init_expr_arg (&(iter))) 2847 2848/* VEC_INIT_EXPR accessors. */ 2849#define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (NODE, 0) 2850#define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (NODE, 1) 2851 2852/* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a 2853 TEMPLATE_DECL. This macro determines whether or not a given class 2854 type is really a template type, as opposed to an instantiation or 2855 specialization of one. */ 2856#define CLASSTYPE_IS_TEMPLATE(NODE) \ 2857 (CLASSTYPE_TEMPLATE_INFO (NODE) \ 2858 && !CLASSTYPE_USE_TEMPLATE (NODE) \ 2859 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE))) 2860 2861/* The name used by the user to name the typename type. Typically, 2862 this is an IDENTIFIER_NODE, and the same as the DECL_NAME on the 2863 corresponding TYPE_DECL. However, this may also be a 2864 TEMPLATE_ID_EXPR if we had something like `typename X::Y<T>'. */ 2865#define TYPENAME_TYPE_FULLNAME(NODE) (TYPENAME_TYPE_CHECK (NODE))->type.values 2866 2867/* True if a TYPENAME_TYPE was declared as an "enum". */ 2868#define TYPENAME_IS_ENUM_P(NODE) \ 2869 (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE))) 2870 2871/* True if a TYPENAME_TYPE was declared as a "class", "struct", or 2872 "union". */ 2873#define TYPENAME_IS_CLASS_P(NODE) \ 2874 (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE))) 2875 2876/* True if a TYPENAME_TYPE is in the process of being resolved. */ 2877#define TYPENAME_IS_RESOLVING_P(NODE) \ 2878 (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE))) 2879 2880/* Nonzero in INTEGER_CST means that this int is negative by dint of 2881 using a twos-complement negated operand. */ 2882#define TREE_NEGATED_INT(NODE) TREE_LANG_FLAG_0 (INTEGER_CST_CHECK (NODE)) 2883 2884/* [class.virtual] 2885 2886 A class that declares or inherits a virtual function is called a 2887 polymorphic class. */ 2888#define TYPE_POLYMORPHIC_P(NODE) (TREE_LANG_FLAG_2 (NODE)) 2889 2890/* Nonzero if this class has a virtual function table pointer. */ 2891#define TYPE_CONTAINS_VPTR_P(NODE) \ 2892 (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE)) 2893 2894/* This flag is true of a local VAR_DECL if it was declared in a for 2895 statement, but we are no longer in the scope of the for. */ 2896#define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (VAR_DECL_CHECK (NODE)) 2897 2898/* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL 2899 if we already emitted a warning about using it. */ 2900#define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE)) 2901 2902/* Nonzero if NODE is a FUNCTION_DECL (for a function with global 2903 scope) declared in a local scope. */ 2904#define DECL_LOCAL_FUNCTION_P(NODE) \ 2905 DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE)) 2906 2907/* Nonzero if NODE is a DECL which we know about but which has not 2908 been explicitly declared, such as a built-in function or a friend 2909 declared inside a class. In the latter case DECL_HIDDEN_FRIEND_P 2910 will be set. */ 2911#define DECL_ANTICIPATED(NODE) \ 2912 (DECL_LANG_SPECIFIC (DECL_COMMON_CHECK (NODE))->u.base.anticipated_p) 2913 2914/* Nonzero if NODE is a FUNCTION_DECL which was declared as a friend 2915 within a class but has not been declared in the surrounding scope. 2916 The function is invisible except via argument dependent lookup. */ 2917#define DECL_HIDDEN_FRIEND_P(NODE) \ 2918 (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->hidden_friend_p) 2919 2920/* Nonzero if DECL has been declared threadprivate by 2921 #pragma omp threadprivate. */ 2922#define CP_DECL_THREADPRIVATE_P(DECL) \ 2923 (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p) 2924 2925/* Nonzero if DECL was declared with '= delete'. */ 2926#define DECL_DELETED_FN(DECL) \ 2927 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p) 2928 2929/* Nonzero if DECL was declared with '= default' (maybe implicitly). */ 2930#define DECL_DEFAULTED_FN(DECL) \ 2931 (LANG_DECL_FN_CHECK (DECL)->defaulted_p) 2932 2933/* Nonzero if DECL is explicitly defaulted in the class body. */ 2934#define DECL_DEFAULTED_IN_CLASS_P(DECL) \ 2935 (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL)) 2936/* Nonzero if DECL was defaulted outside the class body. */ 2937#define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \ 2938 (DECL_DEFAULTED_FN (DECL) \ 2939 && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL))) 2940 2941/* Record whether a typedef for type `int' was actually `signed int'. */ 2942#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP) 2943 2944/* Returns nonzero if DECL has external linkage, as specified by the 2945 language standard. (This predicate may hold even when the 2946 corresponding entity is not actually given external linkage in the 2947 object file; see decl_linkage for details.) */ 2948#define DECL_EXTERNAL_LINKAGE_P(DECL) \ 2949 (decl_linkage (DECL) == lk_external) 2950 2951/* Keep these codes in ascending code order. */ 2952 2953#define INTEGRAL_CODE_P(CODE) \ 2954 ((CODE) == ENUMERAL_TYPE \ 2955 || (CODE) == BOOLEAN_TYPE \ 2956 || (CODE) == INTEGER_TYPE) 2957 2958/* [basic.fundamental] 2959 2960 Types bool, char, wchar_t, and the signed and unsigned integer types 2961 are collectively called integral types. 2962 2963 Note that INTEGRAL_TYPE_P, as defined in tree.h, allows enumeration 2964 types as well, which is incorrect in C++. Keep these checks in 2965 ascending code order. */ 2966#define CP_INTEGRAL_TYPE_P(TYPE) \ 2967 (TREE_CODE (TYPE) == BOOLEAN_TYPE \ 2968 || TREE_CODE (TYPE) == INTEGER_TYPE) 2969 2970/* Returns true if TYPE is an integral or enumeration name. Keep 2971 these checks in ascending code order. */ 2972#define INTEGRAL_OR_ENUMERATION_TYPE_P(TYPE) \ 2973 (TREE_CODE (TYPE) == ENUMERAL_TYPE || CP_INTEGRAL_TYPE_P (TYPE)) 2974 2975/* Returns true if TYPE is an integral or unscoped enumeration type. */ 2976#define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \ 2977 (UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE)) 2978 2979/* True if the class type TYPE is a literal type. */ 2980#define CLASSTYPE_LITERAL_P(TYPE) \ 2981 (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal) 2982 2983/* [basic.fundamental] 2984 2985 Integral and floating types are collectively called arithmetic 2986 types. 2987 2988 As a GNU extension, we also accept complex types. 2989 2990 Keep these checks in ascending code order. */ 2991#define ARITHMETIC_TYPE_P(TYPE) \ 2992 (CP_INTEGRAL_TYPE_P (TYPE) \ 2993 || TREE_CODE (TYPE) == REAL_TYPE \ 2994 || TREE_CODE (TYPE) == COMPLEX_TYPE) 2995 2996/* [basic.types] 2997 2998 Arithmetic types, enumeration types, pointer types, and 2999 pointer-to-member types, are collectively called scalar types. 3000 3001 Keep these checks in ascending code order. */ 3002#define SCALAR_TYPE_P(TYPE) \ 3003 (TYPE_PTRMEM_P (TYPE) \ 3004 || TREE_CODE (TYPE) == ENUMERAL_TYPE \ 3005 || ARITHMETIC_TYPE_P (TYPE) \ 3006 || TYPE_PTR_P (TYPE) \ 3007 || TYPE_PTRMEMFUNC_P (TYPE)) 3008 3009/* Determines whether this type is a C++0x scoped enumeration 3010 type. Scoped enumerations types are introduced via "enum class" or 3011 "enum struct", e.g., 3012 3013 enum class Color { 3014 Red, Green, Blue 3015 }; 3016 3017 Scoped enumeration types are different from normal (unscoped) 3018 enumeration types in several ways: 3019 3020 - The enumerators of a scoped enumeration type are only available 3021 within the scope of the enumeration type and not in the 3022 enclosing scope. For example, the Red color can be referred to 3023 with "Color::Red" but not "Red". 3024 3025 - Scoped enumerators and enumerations do not implicitly convert 3026 to integers or 'bool'. 3027 3028 - The underlying type of the enum is well-defined. */ 3029#define SCOPED_ENUM_P(TYPE) \ 3030 (TREE_CODE (TYPE) == ENUMERAL_TYPE && TYPE_LANG_FLAG_5 (TYPE)) 3031 3032/* Determine whether this is an unscoped enumeration type. */ 3033#define UNSCOPED_ENUM_P(TYPE) \ 3034 (TREE_CODE (TYPE) == ENUMERAL_TYPE && !TYPE_LANG_FLAG_5 (TYPE)) 3035 3036/* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped 3037 enumeration type (1) or a normal (unscoped) enumeration type 3038 (0). */ 3039#define SET_SCOPED_ENUM_P(TYPE, VAL) \ 3040 (TYPE_LANG_FLAG_5 (ENUMERAL_TYPE_CHECK (TYPE)) = (VAL)) 3041 3042/* Returns the underlying type of the given enumeration type. The 3043 underlying type is determined in different ways, depending on the 3044 properties of the enum: 3045 3046 - In C++0x, the underlying type can be explicitly specified, e.g., 3047 3048 enum E1 : char { ... } // underlying type is char 3049 3050 - In a C++0x scoped enumeration, the underlying type is int 3051 unless otherwises specified: 3052 3053 enum class E2 { ... } // underlying type is int 3054 3055 - Otherwise, the underlying type is determined based on the 3056 values of the enumerators. In this case, the 3057 ENUM_UNDERLYING_TYPE will not be set until after the definition 3058 of the enumeration is completed by finish_enum. */ 3059#define ENUM_UNDERLYING_TYPE(TYPE) \ 3060 TREE_TYPE (ENUMERAL_TYPE_CHECK (TYPE)) 3061 3062/* [dcl.init.aggr] 3063 3064 An aggregate is an array or a class with no user-declared 3065 constructors, no private or protected non-static data members, no 3066 base classes, and no virtual functions. 3067 3068 As an extension, we also treat vectors as aggregates. Keep these 3069 checks in ascending code order. */ 3070#define CP_AGGREGATE_TYPE_P(TYPE) \ 3071 (TREE_CODE (TYPE) == VECTOR_TYPE \ 3072 ||TREE_CODE (TYPE) == ARRAY_TYPE \ 3073 || (CLASS_TYPE_P (TYPE) && !CLASSTYPE_NON_AGGREGATE (TYPE))) 3074 3075/* Nonzero for a class type means that the class type has a 3076 user-declared constructor. */ 3077#define TYPE_HAS_USER_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1 (NODE)) 3078 3079/* When appearing in an INDIRECT_REF, it means that the tree structure 3080 underneath is actually a call to a constructor. This is needed 3081 when the constructor must initialize local storage (which can 3082 be automatically destroyed), rather than allowing it to allocate 3083 space from the heap. 3084 3085 When appearing in a SAVE_EXPR, it means that underneath 3086 is a call to a constructor. 3087 3088 When appearing in a CONSTRUCTOR, the expression is a 3089 compound literal. 3090 3091 When appearing in a FIELD_DECL, it means that this field 3092 has been duly initialized in its constructor. */ 3093#define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4 (NODE)) 3094 3095/* True if NODE is a brace-enclosed initializer. */ 3096#define BRACE_ENCLOSED_INITIALIZER_P(NODE) \ 3097 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_TYPE (NODE) == init_list_type_node) 3098 3099/* True if NODE is a compound-literal, i.e., a brace-enclosed 3100 initializer cast to a particular type. */ 3101#define COMPOUND_LITERAL_P(NODE) \ 3102 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_HAS_CONSTRUCTOR (NODE)) 3103 3104#define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \ 3105 && VEC_empty (constructor_elt, \ 3106 CONSTRUCTOR_ELTS (NODE)) \ 3107 && !TREE_HAS_CONSTRUCTOR (NODE)) 3108 3109/* True if NODE is a init-list used as a direct-initializer, i.e. 3110 B b{1,2}, not B b({1,2}) or B b = {1,2}. */ 3111#define CONSTRUCTOR_IS_DIRECT_INIT(NODE) (TREE_LANG_FLAG_0 (CONSTRUCTOR_CHECK (NODE))) 3112 3113/* Nonzero means that an object of this type can not be initialized using 3114 an initializer list. */ 3115#define CLASSTYPE_NON_AGGREGATE(NODE) \ 3116 (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate) 3117#define TYPE_NON_AGGREGATE_CLASS(NODE) \ 3118 (CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE)) 3119 3120/* Nonzero if there is a user-defined X::op=(x&) for this class. */ 3121#define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref) 3122 3123/* Nonzero if there is a user-defined X::X(x&) for this class. */ 3124#define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref) 3125 3126/* Nonzero if there is a user-defined default constructor for this class. */ 3127#define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt) 3128 3129/* Nonzero if TYPE has a trivial destructor. From [class.dtor]: 3130 3131 A destructor is trivial if it is an implicitly declared 3132 destructor and if: 3133 3134 - all of the direct base classes of its class have trivial 3135 destructors, 3136 3137 - for all of the non-static data members of its class that are 3138 of class type (or array thereof), each such class has a 3139 trivial destructor. */ 3140#define TYPE_HAS_TRIVIAL_DESTRUCTOR(NODE) \ 3141 (!TYPE_HAS_NONTRIVIAL_DESTRUCTOR (NODE)) 3142 3143/* Nonzero for _TYPE node means that this type does not have a trivial 3144 destructor. Therefore, destroying an object of this type will 3145 involve a call to a destructor. This can apply to objects of 3146 ARRAY_TYPE is the type of the elements needs a destructor. */ 3147#define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \ 3148 (TYPE_LANG_FLAG_4 (NODE)) 3149 3150/* Nonzero for class type means that the default constructor is trivial. */ 3151#define TYPE_HAS_TRIVIAL_DFLT(NODE) \ 3152 (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE)) 3153 3154/* Nonzero for class type means that copy initialization of this type can use 3155 a bitwise copy. */ 3156#define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \ 3157 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE)) 3158 3159/* Nonzero for class type means that assignment of this type can use 3160 a bitwise copy. */ 3161#define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \ 3162 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE)) 3163 3164/* Returns true if NODE is a pointer-to-data-member. */ 3165#define TYPE_PTRMEM_P(NODE) \ 3166 (TREE_CODE (NODE) == OFFSET_TYPE) 3167/* Returns true if NODE is a pointer. */ 3168#define TYPE_PTR_P(NODE) \ 3169 (TREE_CODE (NODE) == POINTER_TYPE) 3170 3171/* Returns true if NODE is an object type: 3172 3173 [basic.types] 3174 3175 An object type is a (possibly cv-qualified) type that is not a 3176 function type, not a reference type, and not a void type. 3177 3178 Keep these checks in ascending order, for speed. */ 3179#define TYPE_OBJ_P(NODE) \ 3180 (TREE_CODE (NODE) != REFERENCE_TYPE \ 3181 && TREE_CODE (NODE) != VOID_TYPE \ 3182 && TREE_CODE (NODE) != FUNCTION_TYPE \ 3183 && TREE_CODE (NODE) != METHOD_TYPE) 3184 3185/* Returns true if NODE is a pointer to an object. Keep these checks 3186 in ascending tree code order. */ 3187#define TYPE_PTROB_P(NODE) \ 3188 (TYPE_PTR_P (NODE) && TYPE_OBJ_P (TREE_TYPE (NODE))) 3189 3190/* Returns true if NODE is a reference to an object. Keep these checks 3191 in ascending tree code order. */ 3192#define TYPE_REF_OBJ_P(NODE) \ 3193 (TREE_CODE (NODE) == REFERENCE_TYPE && TYPE_OBJ_P (TREE_TYPE (NODE))) 3194 3195/* True if reference type NODE is an rvalue reference */ 3196#define TYPE_REF_IS_RVALUE(NODE) \ 3197 TREE_LANG_FLAG_0 (REFERENCE_TYPE_CHECK (NODE)) 3198 3199/* Returns true if NODE is a pointer to an object, or a pointer to 3200 void. Keep these checks in ascending tree code order. */ 3201#define TYPE_PTROBV_P(NODE) \ 3202 (TYPE_PTR_P (NODE) \ 3203 && !(TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE \ 3204 || TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)) 3205 3206/* Returns true if NODE is a pointer to function. */ 3207#define TYPE_PTRFN_P(NODE) \ 3208 (TREE_CODE (NODE) == POINTER_TYPE \ 3209 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE) 3210 3211/* Returns true if NODE is a reference to function. */ 3212#define TYPE_REFFN_P(NODE) \ 3213 (TREE_CODE (NODE) == REFERENCE_TYPE \ 3214 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE) 3215 3216/* Nonzero for _TYPE node means that this type is a pointer to member 3217 function type. */ 3218#define TYPE_PTRMEMFUNC_P(NODE) \ 3219 (TREE_CODE (NODE) == RECORD_TYPE \ 3220 && TYPE_LANG_SPECIFIC (NODE) \ 3221 && TYPE_PTRMEMFUNC_FLAG (NODE)) 3222 3223#define TYPE_PTRMEMFUNC_FLAG(NODE) \ 3224 (LANG_TYPE_CLASS_CHECK (NODE)->ptrmemfunc_flag) 3225 3226/* Returns true if NODE is a pointer-to-member. */ 3227#define TYPE_PTR_TO_MEMBER_P(NODE) \ 3228 (TYPE_PTRMEM_P (NODE) || TYPE_PTRMEMFUNC_P (NODE)) 3229 3230/* Indicates when overload resolution may resolve to a pointer to 3231 member function. [expr.unary.op]/3 */ 3232#define PTRMEM_OK_P(NODE) \ 3233 TREE_LANG_FLAG_0 (TREE_CHECK2 ((NODE), ADDR_EXPR, OFFSET_REF)) 3234 3235/* Get the POINTER_TYPE to the METHOD_TYPE associated with this 3236 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true, 3237 before using this macro. */ 3238#define TYPE_PTRMEMFUNC_FN_TYPE(NODE) \ 3239 (TREE_TYPE (TYPE_FIELDS (NODE))) 3240 3241/* Returns `A' for a type like `int (A::*)(double)' */ 3242#define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \ 3243 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE))) 3244 3245/* These are use to manipulate the canonical RECORD_TYPE from the 3246 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */ 3247#define TYPE_GET_PTRMEMFUNC_TYPE(NODE) \ 3248 (TYPE_LANG_SPECIFIC (NODE) ? LANG_TYPE_PTRMEM_CHECK (NODE)->record : NULL) 3249#define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) \ 3250 do { \ 3251 if (TYPE_LANG_SPECIFIC (NODE) == NULL) \ 3252 { \ 3253 TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR \ 3254 (struct lang_type, sizeof (struct lang_type_ptrmem)); \ 3255 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \ 3256 } \ 3257 TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \ 3258 } while (0) 3259 3260/* For a pointer-to-member type of the form `T X::*', this is `X'. 3261 For a type like `void (X::*)() const', this type is `X', not `const 3262 X'. To get at the `const X' you have to look at the 3263 TYPE_PTRMEM_POINTED_TO_TYPE; there, the first parameter will have 3264 type `const X*'. */ 3265#define TYPE_PTRMEM_CLASS_TYPE(NODE) \ 3266 (TYPE_PTRMEM_P (NODE) \ 3267 ? TYPE_OFFSET_BASETYPE (NODE) \ 3268 : TYPE_PTRMEMFUNC_OBJECT_TYPE (NODE)) 3269 3270/* For a pointer-to-member type of the form `T X::*', this is `T'. */ 3271#define TYPE_PTRMEM_POINTED_TO_TYPE(NODE) \ 3272 (TYPE_PTRMEM_P (NODE) \ 3273 ? TREE_TYPE (NODE) \ 3274 : TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE))) 3275 3276/* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for 3277 `X'. */ 3278#define PTRMEM_CST_CLASS(NODE) \ 3279 TYPE_PTRMEM_CLASS_TYPE (TREE_TYPE (PTRMEM_CST_CHECK (NODE))) 3280 3281/* For a pointer-to-member constant `X::Y' this is the _DECL for 3282 `Y'. */ 3283#define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t)PTRMEM_CST_CHECK (NODE))->member) 3284 3285/* The expression in question for a TYPEOF_TYPE. */ 3286#define TYPEOF_TYPE_EXPR(NODE) (TYPEOF_TYPE_CHECK (NODE))->type.values 3287 3288/* The expression in question for a DECLTYPE_TYPE. */ 3289#define DECLTYPE_TYPE_EXPR(NODE) (DECLTYPE_TYPE_CHECK (NODE))->type.values 3290 3291/* Whether the DECLTYPE_TYPE_EXPR of NODE was originally parsed as an 3292 id-expression or a member-access expression. When false, it was 3293 parsed as a full expression. */ 3294#define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \ 3295 (DECLTYPE_TYPE_CHECK (NODE))->type.string_flag 3296 3297/* These flags indicate that we want different semantics from normal 3298 decltype: lambda capture just drops references, lambda return also does 3299 type decay. */ 3300#define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \ 3301 TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE)) 3302#define DECLTYPE_FOR_LAMBDA_RETURN(NODE) \ 3303 TREE_LANG_FLAG_1 (DECLTYPE_TYPE_CHECK (NODE)) 3304 3305/* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was 3306 specified in its declaration. This can also be set for an 3307 erroneously declared PARM_DECL. */ 3308#define DECL_THIS_EXTERN(NODE) \ 3309 DECL_LANG_FLAG_2 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE)) 3310 3311/* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was 3312 specified in its declaration. This can also be set for an 3313 erroneously declared PARM_DECL. */ 3314#define DECL_THIS_STATIC(NODE) \ 3315 DECL_LANG_FLAG_6 (VAR_FUNCTION_OR_PARM_DECL_CHECK (NODE)) 3316 3317/* Nonzero for FIELD_DECL node means that this field is a base class 3318 of the parent object, as opposed to a member field. */ 3319#define DECL_FIELD_IS_BASE(NODE) \ 3320 DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE)) 3321 3322/* Nonzero for FIELD_DECL node means that this field is a simple (no 3323 explicit initializer) lambda capture field, making it invisible to 3324 name lookup in unevaluated contexts. */ 3325#define DECL_NORMAL_CAPTURE_P(NODE) \ 3326 DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE)) 3327 3328/* Nonzero if TYPE is an anonymous union or struct type. We have to use a 3329 flag for this because "A union for which objects or pointers are 3330 declared is not an anonymous union" [class.union]. */ 3331#define ANON_AGGR_TYPE_P(NODE) \ 3332 (CLASS_TYPE_P (NODE) && LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr) 3333#define SET_ANON_AGGR_TYPE_P(NODE) \ 3334 (LANG_TYPE_CLASS_CHECK (NODE)->anon_aggr = 1) 3335 3336/* Nonzero if TYPE is an anonymous union type. */ 3337#define ANON_UNION_TYPE_P(NODE) \ 3338 (TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE)) 3339 3340#define UNKNOWN_TYPE LANG_TYPE 3341 3342/* Define fields and accessors for nodes representing declared names. */ 3343 3344#define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous) 3345 3346/* C++: all of these are overloaded! These apply only to TYPE_DECLs. */ 3347 3348/* The format of each node in the DECL_FRIENDLIST is as follows: 3349 3350 The TREE_PURPOSE will be the name of a function, i.e., an 3351 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, whose 3352 TREE_VALUEs are friends with the given name. */ 3353#define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE)) 3354#define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST)) 3355#define FRIEND_DECLS(LIST) (TREE_VALUE (LIST)) 3356 3357/* The DECL_ACCESS, if non-NULL, is a TREE_LIST. The TREE_PURPOSE of 3358 each node is a type; the TREE_VALUE is the access granted for this 3359 DECL in that type. The DECL_ACCESS is set by access declarations. 3360 For example, if a member that would normally be public in a 3361 derived class is made protected, then the derived class and the 3362 protected_access_node will appear in the DECL_ACCESS for the node. */ 3363#define DECL_ACCESS(NODE) (LANG_DECL_U2_CHECK (NODE, 0)->access) 3364 3365/* Nonzero if the FUNCTION_DECL is a global constructor. */ 3366#define DECL_GLOBAL_CTOR_P(NODE) \ 3367 (LANG_DECL_FN_CHECK (NODE)->global_ctor_p) 3368 3369/* Nonzero if the FUNCTION_DECL is a global destructor. */ 3370#define DECL_GLOBAL_DTOR_P(NODE) \ 3371 (LANG_DECL_FN_CHECK (NODE)->global_dtor_p) 3372 3373/* Accessor macros for C++ template decl nodes. */ 3374 3375/* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node 3376 is a INT_CST whose TREE_INT_CST_LOW indicates the level of the 3377 template parameters, with 1 being the outermost set of template 3378 parameters. The TREE_VALUE is a vector, whose elements are the 3379 template parameters at each level. Each element in the vector is a 3380 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a 3381 non-type parameter), or a TYPE_DECL (if the parameter is a type 3382 parameter). The TREE_PURPOSE is the default value, if any. The 3383 TEMPLATE_PARM_INDEX for the parameter is available as the 3384 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a 3385 TYPE_DECL). */ 3386#define DECL_TEMPLATE_PARMS(NODE) DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments 3387#define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \ 3388 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE)) 3389#define DECL_NTPARMS(NODE) \ 3390 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE)) 3391/* For function, method, class-data templates. */ 3392#define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT_FLD (NODE) 3393/* For a function template at namespace scope, DECL_TEMPLATE_INSTANTIATIONS 3394 lists all instantiations and specializations of the function so that 3395 tsubst_friend_function can reassign them to another template if we find 3396 that the namespace-scope template is really a partial instantiation of a 3397 friend template. 3398 3399 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds 3400 all instantiations and specializations of the class type, including 3401 partial instantiations and partial specializations, so that if we 3402 explicitly specialize a partial instantiation we can walk the list 3403 in maybe_process_partial_specialization and reassign them or complain 3404 as appropriate. 3405 3406 In both cases, the TREE_PURPOSE of each node contains the arguments 3407 used; the TREE_VALUE contains the generated variable. The template 3408 arguments are always complete. For example, given: 3409 3410 template <class T> struct S1 { 3411 template <class U> struct S2 {}; 3412 template <class U> struct S2<U*> {}; 3413 }; 3414 3415 the record for the partial specialization will contain, as its 3416 argument list, { {T}, {U*} }, and will be on the 3417 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template 3418 <class U> struct S1<T>::S2'. 3419 3420 This list is not used for other templates. */ 3421#define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX (NODE) 3422/* For a class template, this list contains the partial 3423 specializations of this template. (Full specializations are not 3424 recorded on this list.) The TREE_PURPOSE holds the arguments used 3425 in the partial specialization (e.g., for `template <class T> struct 3426 S<T*, int>' this will be `T*'.) The arguments will also include 3427 any outer template arguments. The TREE_VALUE holds the innermost 3428 template parameters for the specialization (e.g., `T' in the 3429 example above.) The TREE_TYPE is the _TYPE node for the partial 3430 specialization. 3431 3432 This list is not used for other templates. */ 3433#define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE (NODE) 3434 3435/* Nonzero for a DECL which is actually a template parameter. Keep 3436 these checks in ascending tree code order. */ 3437#define DECL_TEMPLATE_PARM_P(NODE) \ 3438 (DECL_LANG_FLAG_0 (NODE) \ 3439 && (TREE_CODE (NODE) == CONST_DECL \ 3440 || TREE_CODE (NODE) == PARM_DECL \ 3441 || TREE_CODE (NODE) == TYPE_DECL \ 3442 || TREE_CODE (NODE) == TEMPLATE_DECL)) 3443 3444/* Mark NODE as a template parameter. */ 3445#define SET_DECL_TEMPLATE_PARM_P(NODE) \ 3446 (DECL_LANG_FLAG_0 (NODE) = 1) 3447 3448/* Nonzero if NODE is a template template parameter. */ 3449#define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \ 3450 (TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE)) 3451 3452/* Nonzero if NODE is a TEMPLATE_DECL representing an 3453 UNBOUND_CLASS_TEMPLATE tree node. */ 3454#define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \ 3455 (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE)) 3456 3457#define DECL_FUNCTION_TEMPLATE_P(NODE) \ 3458 (TREE_CODE (NODE) == TEMPLATE_DECL \ 3459 && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \ 3460 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL) 3461 3462/* Nonzero for a DECL that represents a template class. */ 3463#define DECL_CLASS_TEMPLATE_P(NODE) \ 3464 (TREE_CODE (NODE) == TEMPLATE_DECL \ 3465 && DECL_TEMPLATE_RESULT (NODE) != NULL_TREE \ 3466 && DECL_IMPLICIT_TYPEDEF_P (DECL_TEMPLATE_RESULT (NODE))) 3467 3468/* Nonzero if NODE which declares a type. */ 3469#define DECL_DECLARES_TYPE_P(NODE) \ 3470 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE)) 3471 3472/* Nonzero if NODE declares a function. */ 3473#define DECL_DECLARES_FUNCTION_P(NODE) \ 3474 (TREE_CODE (NODE) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (NODE)) 3475 3476/* Nonzero if NODE is the typedef implicitly generated for a type when 3477 the type is declared. In C++, `struct S {};' is roughly 3478 equivalent to `struct S {}; typedef struct S S;' in C. 3479 DECL_IMPLICIT_TYPEDEF_P will hold for the typedef indicated in this 3480 example. In C++, there is a second implicit typedef for each 3481 class, in the scope of `S' itself, so that you can say `S::S'. 3482 DECL_SELF_REFERENCE_P will hold for that second typedef. */ 3483#define DECL_IMPLICIT_TYPEDEF_P(NODE) \ 3484 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_2 (NODE)) 3485#define SET_DECL_IMPLICIT_TYPEDEF_P(NODE) \ 3486 (DECL_LANG_FLAG_2 (NODE) = 1) 3487#define DECL_SELF_REFERENCE_P(NODE) \ 3488 (TREE_CODE (NODE) == TYPE_DECL && DECL_LANG_FLAG_4 (NODE)) 3489#define SET_DECL_SELF_REFERENCE_P(NODE) \ 3490 (DECL_LANG_FLAG_4 (NODE) = 1) 3491 3492/* A `primary' template is one that has its own template header. A 3493 member function of a class template is a template, but not primary. 3494 A member template is primary. Friend templates are primary, too. */ 3495 3496/* Returns the primary template corresponding to these parameters. */ 3497#define DECL_PRIMARY_TEMPLATE(NODE) \ 3498 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE))) 3499 3500/* Returns nonzero if NODE is a primary template. */ 3501#define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == (NODE)) 3502 3503/* Nonzero iff NODE is a specialization of a template. The value 3504 indicates the type of specializations: 3505 3506 1=implicit instantiation 3507 3508 2=partial or explicit specialization, e.g.: 3509 3510 template <> int min<int> (int, int), 3511 3512 3=explicit instantiation, e.g.: 3513 3514 template int min<int> (int, int); 3515 3516 Note that NODE will be marked as a specialization even if the 3517 template it is instantiating is not a primary template. For 3518 example, given: 3519 3520 template <typename T> struct O { 3521 void f(); 3522 struct I {}; 3523 }; 3524 3525 both O<int>::f and O<int>::I will be marked as instantiations. 3526 3527 If DECL_USE_TEMPLATE is nonzero, then DECL_TEMPLATE_INFO will also 3528 be non-NULL. */ 3529#define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC (NODE)->u.base.use_template) 3530 3531/* Like DECL_USE_TEMPLATE, but for class types. */ 3532#define CLASSTYPE_USE_TEMPLATE(NODE) \ 3533 (LANG_TYPE_CLASS_CHECK (NODE)->use_template) 3534 3535/* True if NODE is a specialization of a primary template. */ 3536#define CLASSTYPE_SPECIALIZATION_OF_PRIMARY_TEMPLATE_P(NODE) \ 3537 (CLASS_TYPE_P (NODE) \ 3538 && CLASSTYPE_USE_TEMPLATE (NODE) \ 3539 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE))) 3540 3541#define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1) 3542#define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \ 3543 (CLASSTYPE_USE_TEMPLATE (NODE) & 1) 3544 3545#define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2) 3546#define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2) 3547 3548/* Returns true for an explicit or partial specialization of a class 3549 template. */ 3550#define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \ 3551 (CLASSTYPE_USE_TEMPLATE (NODE) == 2) 3552#define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \ 3553 (CLASSTYPE_USE_TEMPLATE (NODE) = 2) 3554 3555#define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1) 3556#define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1) 3557#define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \ 3558 (CLASSTYPE_USE_TEMPLATE (NODE) == 1) 3559#define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \ 3560 (CLASSTYPE_USE_TEMPLATE (NODE) = 1) 3561 3562#define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3) 3563#define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3) 3564#define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \ 3565 (CLASSTYPE_USE_TEMPLATE (NODE) == 3) 3566#define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \ 3567 (CLASSTYPE_USE_TEMPLATE (NODE) = 3) 3568 3569/* Nonzero if DECL is a friend function which is an instantiation 3570 from the point of view of the compiler, but not from the point of 3571 view of the language. For example given: 3572 template <class T> struct S { friend void f(T) {}; }; 3573 the declaration of `void f(int)' generated when S<int> is 3574 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be 3575 a DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION. */ 3576#define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \ 3577 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL)) 3578 3579/* Nonzero iff we are currently processing a declaration for an 3580 entity with its own template parameter list, and which is not a 3581 full specialization. */ 3582#define PROCESSING_REAL_TEMPLATE_DECL_P() \ 3583 (processing_template_decl > template_class_depth (current_scope ())) 3584 3585/* Nonzero if this VAR_DECL or FUNCTION_DECL has already been 3586 instantiated, i.e. its definition has been generated from the 3587 pattern given in the template. */ 3588#define DECL_TEMPLATE_INSTANTIATED(NODE) \ 3589 DECL_LANG_FLAG_1 (VAR_OR_FUNCTION_DECL_CHECK (NODE)) 3590 3591/* We know what we're doing with this decl now. */ 3592#define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE) 3593 3594/* DECL_EXTERNAL must be set on a decl until the decl is actually emitted, 3595 so that assemble_external will work properly. So we have this flag to 3596 tell us whether the decl is really not external. 3597 3598 This flag does not indicate whether or not the decl is defined in the 3599 current translation unit; it indicates whether or not we should emit the 3600 decl at the end of compilation if it is defined and needed. */ 3601#define DECL_NOT_REALLY_EXTERN(NODE) \ 3602 (DECL_LANG_SPECIFIC (NODE)->u.base.not_really_extern) 3603 3604#define DECL_REALLY_EXTERN(NODE) \ 3605 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE)) 3606 3607/* A thunk is a stub function. 3608 3609 A thunk is an alternate entry point for an ordinary FUNCTION_DECL. 3610 The address of the ordinary FUNCTION_DECL is given by the 3611 DECL_INITIAL, which is always an ADDR_EXPR whose operand is a 3612 FUNCTION_DECL. The job of the thunk is to either adjust the this 3613 pointer before transferring control to the FUNCTION_DECL, or call 3614 FUNCTION_DECL and then adjust the result value. Note, the result 3615 pointer adjusting thunk must perform a call to the thunked 3616 function, (or be implemented via passing some invisible parameter 3617 to the thunked function, which is modified to perform the 3618 adjustment just before returning). 3619 3620 A thunk may perform either, or both, of the following operations: 3621 3622 o Adjust the this or result pointer by a constant offset. 3623 o Adjust the this or result pointer by looking up a vcall or vbase offset 3624 in the vtable. 3625 3626 A this pointer adjusting thunk converts from a base to a derived 3627 class, and hence adds the offsets. A result pointer adjusting thunk 3628 converts from a derived class to a base, and hence subtracts the 3629 offsets. If both operations are performed, then the constant 3630 adjustment is performed first for this pointer adjustment and last 3631 for the result pointer adjustment. 3632 3633 The constant adjustment is given by THUNK_FIXED_OFFSET. If the 3634 vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is 3635 used. For this pointer adjusting thunks, it is the vcall offset 3636 into the vtable. For result pointer adjusting thunks it is the 3637 binfo of the virtual base to convert to. Use that binfo's vbase 3638 offset. 3639 3640 It is possible to have equivalent covariant thunks. These are 3641 distinct virtual covariant thunks whose vbase offsets happen to 3642 have the same value. THUNK_ALIAS is used to pick one as the 3643 canonical thunk, which will get all the this pointer adjusting 3644 thunks attached to it. */ 3645 3646/* An integer indicating how many bytes should be subtracted from the 3647 this or result pointer when this function is called. */ 3648#define THUNK_FIXED_OFFSET(DECL) \ 3649 (DECL_LANG_SPECIFIC (THUNK_FUNCTION_CHECK (DECL))->u.fn.u5.fixed_offset) 3650 3651/* A tree indicating how to perform the virtual adjustment. For a this 3652 adjusting thunk it is the number of bytes to be added to the vtable 3653 to find the vcall offset. For a result adjusting thunk, it is the 3654 binfo of the relevant virtual base. If NULL, then there is no 3655 virtual adjust. (The vptr is always located at offset zero from 3656 the this or result pointer.) (If the covariant type is within the 3657 class hierarchy being laid out, the vbase index is not yet known 3658 at the point we need to create the thunks, hence the need to use 3659 binfos.) */ 3660 3661#define THUNK_VIRTUAL_OFFSET(DECL) \ 3662 (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->access) 3663 3664/* A thunk which is equivalent to another thunk. */ 3665#define THUNK_ALIAS(DECL) \ 3666 (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.min.template_info) 3667 3668/* For thunk NODE, this is the FUNCTION_DECL thunked to. It is 3669 possible for the target to be a thunk too. */ 3670#define THUNK_TARGET(NODE) \ 3671 (LANG_DECL_FN_CHECK (NODE)->befriending_classes) 3672 3673/* True for a SCOPE_REF iff the "template" keyword was used to 3674 indicate that the qualified name denotes a template. */ 3675#define QUALIFIED_NAME_IS_TEMPLATE(NODE) \ 3676 (TREE_LANG_FLAG_0 (SCOPE_REF_CHECK (NODE))) 3677 3678/* True for an OMP_ATOMIC that has dependent parameters. These are stored 3679 as an expr in operand 1, and integer_zero_node in operand 0. */ 3680#define OMP_ATOMIC_DEPENDENT_P(NODE) \ 3681 (TREE_CODE (TREE_OPERAND (OMP_ATOMIC_CHECK (NODE), 0)) == INTEGER_CST) 3682 3683/* Used while gimplifying continue statements bound to OMP_FOR nodes. */ 3684#define OMP_FOR_GIMPLIFYING_P(NODE) \ 3685 (TREE_LANG_FLAG_0 (OMP_FOR_CHECK (NODE))) 3686 3687/* A language-specific token attached to the OpenMP data clauses to 3688 hold code (or code fragments) related to ctors, dtors, and op=. 3689 See semantics.c for details. */ 3690#define CP_OMP_CLAUSE_INFO(NODE) \ 3691 TREE_TYPE (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_PRIVATE, \ 3692 OMP_CLAUSE_COPYPRIVATE)) 3693 3694/* These macros provide convenient access to the various _STMT nodes 3695 created when parsing template declarations. */ 3696#define TRY_STMTS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0) 3697#define TRY_HANDLERS(NODE) TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1) 3698 3699#define EH_SPEC_STMTS(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 0) 3700#define EH_SPEC_RAISES(NODE) TREE_OPERAND (EH_SPEC_BLOCK_CHECK (NODE), 1) 3701 3702#define USING_STMT_NAMESPACE(NODE) TREE_OPERAND (USING_STMT_CHECK (NODE), 0) 3703 3704/* Nonzero if this try block is a function try block. */ 3705#define FN_TRY_BLOCK_P(NODE) TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE)) 3706#define HANDLER_PARMS(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 0) 3707#define HANDLER_BODY(NODE) TREE_OPERAND (HANDLER_CHECK (NODE), 1) 3708#define HANDLER_TYPE(NODE) TREE_TYPE (HANDLER_CHECK (NODE)) 3709 3710/* CLEANUP_STMT accessors. The statement(s) covered, the cleanup to run 3711 and the VAR_DECL for which this cleanup exists. */ 3712#define CLEANUP_BODY(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) 3713#define CLEANUP_EXPR(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) 3714#define CLEANUP_DECL(NODE) TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2) 3715 3716/* IF_STMT accessors. These give access to the condition of the if 3717 statement, the then block of the if statement, and the else block 3718 of the if statement if it exists. */ 3719#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) 3720#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) 3721#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) 3722 3723/* WHILE_STMT accessors. These give access to the condition of the 3724 while statement and the body of the while statement, respectively. */ 3725#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) 3726#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) 3727 3728/* DO_STMT accessors. These give access to the condition of the do 3729 statement and the body of the do statement, respectively. */ 3730#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) 3731#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) 3732 3733/* FOR_STMT accessors. These give access to the init statement, 3734 condition, update expression, and body of the for statement, 3735 respectively. */ 3736#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) 3737#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) 3738#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) 3739#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) 3740 3741#define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) 3742#define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) 3743#define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) 3744 3745/* STMT_EXPR accessor. */ 3746#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) 3747 3748/* EXPR_STMT accessor. This gives the expression associated with an 3749 expression statement. */ 3750#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) 3751 3752/* True if this TARGET_EXPR was created by build_cplus_new, and so we can 3753 discard it if it isn't useful. */ 3754#define TARGET_EXPR_IMPLICIT_P(NODE) \ 3755 TREE_LANG_FLAG_0 (TARGET_EXPR_CHECK (NODE)) 3756 3757/* True if this TARGET_EXPR is the result of list-initialization of a 3758 temporary. */ 3759#define TARGET_EXPR_LIST_INIT_P(NODE) \ 3760 TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE)) 3761 3762/* True if this TARGET_EXPR expresses direct-initialization of an object 3763 to be named later. */ 3764#define TARGET_EXPR_DIRECT_INIT_P(NODE) \ 3765 TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE)) 3766 3767/* True if EXPR expresses direct-initialization of a TYPE. */ 3768#define DIRECT_INIT_EXPR_P(TYPE,EXPR) \ 3769 (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \ 3770 && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR))) 3771 3772/* An enumeration of the kind of tags that C++ accepts. */ 3773enum tag_types { 3774 none_type = 0, /* Not a tag type. */ 3775 record_type, /* "struct" types. */ 3776 class_type, /* "class" types. */ 3777 union_type, /* "union" types. */ 3778 enum_type, /* "enum" types. */ 3779 typename_type /* "typename" types. */ 3780}; 3781 3782/* The various kinds of lvalues we distinguish. */ 3783enum cp_lvalue_kind_flags { 3784 clk_none = 0, /* Things that are not an lvalue. */ 3785 clk_ordinary = 1, /* An ordinary lvalue. */ 3786 clk_rvalueref = 2,/* An rvalue formed using an rvalue reference */ 3787 clk_class = 4, /* An rvalue of class-type. */ 3788 clk_bitfield = 8, /* An lvalue for a bit-field. */ 3789 clk_packed = 16 /* An lvalue for a packed field. */ 3790}; 3791 3792/* This type is used for parameters and variables which hold 3793 combinations of the flags in enum cp_lvalue_kind_flags. */ 3794typedef int cp_lvalue_kind; 3795 3796/* Various kinds of template specialization, instantiation, etc. */ 3797typedef enum tmpl_spec_kind { 3798 tsk_none, /* Not a template at all. */ 3799 tsk_invalid_member_spec, /* An explicit member template 3800 specialization, but the enclosing 3801 classes have not all been explicitly 3802 specialized. */ 3803 tsk_invalid_expl_inst, /* An explicit instantiation containing 3804 template parameter lists. */ 3805 tsk_excessive_parms, /* A template declaration with too many 3806 template parameter lists. */ 3807 tsk_insufficient_parms, /* A template declaration with too few 3808 parameter lists. */ 3809 tsk_template, /* A template declaration. */ 3810 tsk_expl_spec, /* An explicit specialization. */ 3811 tsk_expl_inst /* An explicit instantiation. */ 3812} tmpl_spec_kind; 3813 3814/* The various kinds of access. BINFO_ACCESS depends on these being 3815 two bit quantities. The numerical values are important; they are 3816 used to initialize RTTI data structures, so changing them changes 3817 the ABI. */ 3818typedef enum access_kind { 3819 ak_none = 0, /* Inaccessible. */ 3820 ak_public = 1, /* Accessible, as a `public' thing. */ 3821 ak_protected = 2, /* Accessible, as a `protected' thing. */ 3822 ak_private = 3 /* Accessible, as a `private' thing. */ 3823} access_kind; 3824 3825/* The various kinds of special functions. If you add to this list, 3826 you should update special_function_p as well. */ 3827typedef enum special_function_kind { 3828 sfk_none = 0, /* Not a special function. This enumeral 3829 must have value zero; see 3830 special_function_p. */ 3831 sfk_constructor, /* A constructor. */ 3832 sfk_copy_constructor, /* A copy constructor. */ 3833 sfk_move_constructor, /* A move constructor. */ 3834 sfk_assignment_operator, /* An assignment operator. */ 3835 sfk_destructor, /* A destructor. */ 3836 sfk_complete_destructor, /* A destructor for complete objects. */ 3837 sfk_base_destructor, /* A destructor for base subobjects. */ 3838 sfk_deleting_destructor, /* A destructor for complete objects that 3839 deletes the object after it has been 3840 destroyed. */ 3841 sfk_conversion /* A conversion operator. */ 3842} special_function_kind; 3843 3844/* The various kinds of linkage. From [basic.link], 3845 3846 A name is said to have linkage when it might denote the same 3847 object, reference, function, type, template, namespace or value 3848 as a name introduced in another scope: 3849 3850 -- When a name has external linkage, the entity it denotes can 3851 be referred to from scopes of other translation units or from 3852 other scopes of the same translation unit. 3853 3854 -- When a name has internal linkage, the entity it denotes can 3855 be referred to by names from other scopes in the same 3856 translation unit. 3857 3858 -- When a name has no linkage, the entity it denotes cannot be 3859 referred to by names from other scopes. */ 3860 3861typedef enum linkage_kind { 3862 lk_none, /* No linkage. */ 3863 lk_internal, /* Internal linkage. */ 3864 lk_external /* External linkage. */ 3865} linkage_kind; 3866 3867/* Bitmask flags to control type substitution. */ 3868enum tsubst_flags { 3869 tf_none = 0, /* nothing special */ 3870 tf_error = 1 << 0, /* give error messages */ 3871 tf_warning = 1 << 1, /* give warnings too */ 3872 tf_ignore_bad_quals = 1 << 2, /* ignore bad cvr qualifiers */ 3873 tf_keep_type_decl = 1 << 3, /* retain typedef type decls 3874 (make_typename_type use) */ 3875 tf_ptrmem_ok = 1 << 4, /* pointers to member ok (internal 3876 instantiate_type use) */ 3877 tf_user = 1 << 5, /* found template must be a user template 3878 (lookup_template_class use) */ 3879 tf_conv = 1 << 6, /* We are determining what kind of 3880 conversion might be permissible, 3881 not actually performing the 3882 conversion. */ 3883 tf_no_access_control = 1 << 7, /* Do not perform access checks, even 3884 when issuing other errors. */ 3885 /* Do not instantiate classes (used by count_non_default_template_args). */ 3886 tf_no_class_instantiations = 1 << 8, 3887 /* Convenient substitution flags combinations. */ 3888 tf_warning_or_error = tf_warning | tf_error 3889}; 3890 3891/* This type is used for parameters and variables which hold 3892 combinations of the flags in enum tsubst_flags. */ 3893typedef int tsubst_flags_t; 3894 3895/* The kind of checking we can do looking in a class hierarchy. */ 3896enum base_access_flags { 3897 ba_any = 0, /* Do not check access, allow an ambiguous base, 3898 prefer a non-virtual base */ 3899 ba_unique = 1 << 0, /* Must be a unique base. */ 3900 ba_check_bit = 1 << 1, /* Check access. */ 3901 ba_check = ba_unique | ba_check_bit, 3902 ba_ignore_scope = 1 << 2, /* Ignore access allowed by local scope. */ 3903 ba_quiet = 1 << 3 /* Do not issue error messages. */ 3904}; 3905 3906/* This type is used for parameters and variables which hold 3907 combinations of the flags in enum base_access_flags. */ 3908typedef int base_access; 3909 3910/* The various kinds of access check during parsing. */ 3911typedef enum deferring_kind { 3912 dk_no_deferred = 0, /* Check access immediately */ 3913 dk_deferred = 1, /* Deferred check */ 3914 dk_no_check = 2 /* No access check */ 3915} deferring_kind; 3916 3917/* The kind of base we can find, looking in a class hierarchy. 3918 Values <0 indicate we failed. */ 3919typedef enum base_kind { 3920 bk_inaccessible = -3, /* The base is inaccessible */ 3921 bk_ambig = -2, /* The base is ambiguous */ 3922 bk_not_base = -1, /* It is not a base */ 3923 bk_same_type = 0, /* It is the same type */ 3924 bk_proper_base = 1, /* It is a proper base */ 3925 bk_via_virtual = 2 /* It is a proper base, but via a virtual 3926 path. This might not be the canonical 3927 binfo. */ 3928} base_kind; 3929 3930/* Node for "pointer to (virtual) function". 3931 This may be distinct from ptr_type_node so gdb can distinguish them. */ 3932#define vfunc_ptr_type_node vtable_entry_type 3933 3934 3935/* For building calls to `delete'. */ 3936extern GTY(()) tree integer_two_node; 3937extern GTY(()) tree integer_three_node; 3938 3939/* The number of function bodies which we are currently processing. 3940 (Zero if we are at namespace scope, one inside the body of a 3941 function, two inside the body of a function in a local class, etc.) */ 3942extern int function_depth; 3943 3944/* In parser.c. */ 3945 3946/* Nonzero if we are parsing an unevaluated operand: an operand to 3947 sizeof, typeof, or alignof. This is a count since operands to 3948 sizeof can be nested. */ 3949 3950extern int cp_unevaluated_operand; 3951 3952/* in pt.c */ 3953 3954/* These values are used for the `STRICT' parameter to type_unification and 3955 fn_type_unification. Their meanings are described with the 3956 documentation for fn_type_unification. */ 3957 3958typedef enum unification_kind_t { 3959 DEDUCE_CALL, 3960 DEDUCE_CONV, 3961 DEDUCE_EXACT 3962} unification_kind_t; 3963 3964/* in class.c */ 3965 3966extern int current_class_depth; 3967 3968/* An array of all local classes present in this translation unit, in 3969 declaration order. */ 3970extern GTY(()) VEC(tree,gc) *local_classes; 3971 3972/* Here's where we control how name mangling takes place. */ 3973 3974/* Cannot use '$' up front, because this confuses gdb 3975 (names beginning with '$' are gdb-local identifiers). 3976 3977 Note that all forms in which the '$' is significant are long enough 3978 for direct indexing (meaning that if we know there is a '$' 3979 at a particular location, we can index into the string at 3980 any other location that provides distinguishing characters). */ 3981 3982/* Define NO_DOT_IN_LABEL in your favorite tm file if your assembler 3983 doesn't allow '.' in symbol names. */ 3984#ifndef NO_DOT_IN_LABEL 3985 3986#define JOINER '.' 3987 3988#define AUTO_TEMP_NAME "_.tmp_" 3989#define VFIELD_BASE ".vf" 3990#define VFIELD_NAME "_vptr." 3991#define VFIELD_NAME_FORMAT "_vptr.%s" 3992 3993#define ANON_AGGRNAME_FORMAT "._%d" 3994 3995#else /* NO_DOT_IN_LABEL */ 3996 3997#ifndef NO_DOLLAR_IN_LABEL 3998 3999#define JOINER '$' 4000 4001#define AUTO_TEMP_NAME "_$tmp_" 4002#define VFIELD_BASE "$vf" 4003#define VFIELD_NAME "_vptr$" 4004#define VFIELD_NAME_FORMAT "_vptr$%s" 4005#define ANON_AGGRNAME_FORMAT "$_%d" 4006 4007#else /* NO_DOLLAR_IN_LABEL */ 4008 4009#define IN_CHARGE_NAME "__in_chrg" 4010#define AUTO_TEMP_NAME "__tmp_" 4011#define TEMP_NAME_P(ID_NODE) \ 4012 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \ 4013 sizeof (AUTO_TEMP_NAME) - 1)) 4014#define VTABLE_NAME "__vt_" 4015#define VTABLE_NAME_P(ID_NODE) \ 4016 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \ 4017 sizeof (VTABLE_NAME) - 1)) 4018#define VFIELD_BASE "__vfb" 4019#define VFIELD_NAME "__vptr_" 4020#define VFIELD_NAME_P(ID_NODE) \ 4021 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \ 4022 sizeof (VFIELD_NAME) - 1)) 4023#define VFIELD_NAME_FORMAT "__vptr_%s" 4024 4025#define ANON_AGGRNAME_PREFIX "__anon_" 4026#define ANON_AGGRNAME_P(ID_NODE) \ 4027 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \ 4028 sizeof (ANON_AGGRNAME_PREFIX) - 1)) 4029#define ANON_AGGRNAME_FORMAT "__anon_%d" 4030 4031#endif /* NO_DOLLAR_IN_LABEL */ 4032#endif /* NO_DOT_IN_LABEL */ 4033 4034#define THIS_NAME "this" 4035 4036#define IN_CHARGE_NAME "__in_chrg" 4037 4038#define VTBL_PTR_TYPE "__vtbl_ptr_type" 4039#define VTABLE_DELTA_NAME "__delta" 4040#define VTABLE_PFN_NAME "__pfn" 4041 4042#define LAMBDANAME_PREFIX "__lambda" 4043#define LAMBDANAME_FORMAT LAMBDANAME_PREFIX "%d" 4044#define LAMBDANAME_P(ID_NODE) \ 4045 (!strncmp (IDENTIFIER_POINTER (ID_NODE), \ 4046 LAMBDANAME_PREFIX, \ 4047 sizeof (LAMBDANAME_PREFIX) - 1)) 4048 4049#if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) 4050 4051#define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \ 4052 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \ 4053 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER) 4054 4055#define TEMP_NAME_P(ID_NODE) \ 4056 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1)) 4057#define VFIELD_NAME_P(ID_NODE) \ 4058 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1)) 4059 4060/* For anonymous aggregate types, we need some sort of name to 4061 hold on to. In practice, this should not appear, but it should 4062 not be harmful if it does. */ 4063#define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \ 4064 && IDENTIFIER_POINTER (ID_NODE)[1] == '_') 4065#endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */ 4066 4067 4068/* Nonzero if we're done parsing and into end-of-file activities. */ 4069 4070extern int at_eof; 4071 4072/* A list of namespace-scope objects which have constructors or 4073 destructors which reside in the global scope. The decl is stored 4074 in the TREE_VALUE slot and the initializer is stored in the 4075 TREE_PURPOSE slot. */ 4076extern GTY(()) tree static_aggregates; 4077 4078enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, TYPENAME_FLAG }; 4079 4080/* These are uses as bits in flags passed to various functions to 4081 control their behavior. Despite the LOOKUP_ prefix, many of these 4082 do not control name lookup. ??? Functions using these flags should 4083 probably be modified to accept explicit boolean flags for the 4084 behaviors relevant to them. */ 4085/* Check for access violations. */ 4086#define LOOKUP_PROTECT (1 << 0) 4087/* Complain if no suitable member function matching the arguments is 4088 found. */ 4089#define LOOKUP_COMPLAIN (1 << 1) 4090#define LOOKUP_NORMAL (LOOKUP_PROTECT | LOOKUP_COMPLAIN) 4091/* Even if the function found by lookup is a virtual function, it 4092 should be called directly. */ 4093#define LOOKUP_NONVIRTUAL (1 << 2) 4094/* Non-converting (i.e., "explicit") constructors are not tried. This flag 4095 indicates that we are not performing direct-initialization. */ 4096#define LOOKUP_ONLYCONVERTING (1 << 3) 4097#define LOOKUP_IMPLICIT (LOOKUP_NORMAL | LOOKUP_ONLYCONVERTING) 4098/* If a temporary is created, it should be created so that it lives 4099 as long as the current variable bindings; otherwise it only lives 4100 until the end of the complete-expression. It also forces 4101 direct-initialization in cases where other parts of the compiler 4102 have already generated a temporary, such as reference 4103 initialization and the catch parameter. */ 4104#define DIRECT_BIND (1 << 4) 4105/* User-defined conversions are not permitted. (Built-in conversions 4106 are permitted.) */ 4107#define LOOKUP_NO_CONVERSION (1 << 5) 4108/* The user has explicitly called a destructor. (Therefore, we do 4109 not need to check that the object is non-NULL before calling the 4110 destructor.) */ 4111#define LOOKUP_DESTRUCTOR (1 << 6) 4112/* Do not permit references to bind to temporaries. */ 4113#define LOOKUP_NO_TEMP_BIND (1 << 7) 4114/* Do not accept objects, and possibly namespaces. */ 4115#define LOOKUP_PREFER_TYPES (1 << 8) 4116/* Do not accept objects, and possibly types. */ 4117#define LOOKUP_PREFER_NAMESPACES (1 << 9) 4118/* Accept types or namespaces. */ 4119#define LOOKUP_PREFER_BOTH (LOOKUP_PREFER_TYPES | LOOKUP_PREFER_NAMESPACES) 4120/* Return friend declarations and un-declared builtin functions. 4121 (Normally, these entities are registered in the symbol table, but 4122 not found by lookup.) */ 4123#define LOOKUP_HIDDEN (LOOKUP_PREFER_NAMESPACES << 1) 4124/* Prefer that the lvalue be treated as an rvalue. */ 4125#define LOOKUP_PREFER_RVALUE (LOOKUP_HIDDEN << 1) 4126/* We're inside an init-list, so narrowing conversions are ill-formed. */ 4127#define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1) 4128/* Avoid user-defined conversions for the first parameter of a copy 4129 constructor. */ 4130#define LOOKUP_NO_COPY_CTOR_CONVERSION (LOOKUP_NO_NARROWING << 1) 4131/* This is the first parameter of a copy constructor. */ 4132#define LOOKUP_COPY_PARM (LOOKUP_NO_COPY_CTOR_CONVERSION << 1) 4133 4134#define LOOKUP_NAMESPACES_ONLY(F) \ 4135 (((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES)) 4136#define LOOKUP_TYPES_ONLY(F) \ 4137 (!((F) & LOOKUP_PREFER_NAMESPACES) && ((F) & LOOKUP_PREFER_TYPES)) 4138#define LOOKUP_QUALIFIERS_ONLY(F) ((F) & LOOKUP_PREFER_BOTH) 4139 4140 4141/* These flags are used by the conversion code. 4142 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined). 4143 CONV_STATIC : Perform the explicit conversions for static_cast. 4144 CONV_CONST : Perform the explicit conversions for const_cast. 4145 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast. 4146 CONV_PRIVATE : Perform upcasts to private bases. 4147 CONV_FORCE_TEMP : Require a new temporary when converting to the same 4148 aggregate type. */ 4149 4150#define CONV_IMPLICIT 1 4151#define CONV_STATIC 2 4152#define CONV_CONST 4 4153#define CONV_REINTERPRET 8 4154#define CONV_PRIVATE 16 4155/* #define CONV_NONCONVERTING 32 */ 4156#define CONV_FORCE_TEMP 64 4157#define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \ 4158 | CONV_REINTERPRET) 4159#define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \ 4160 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP) 4161 4162/* Used by build_expr_type_conversion to indicate which types are 4163 acceptable as arguments to the expression under consideration. */ 4164 4165#define WANT_INT 1 /* integer types, including bool */ 4166#define WANT_FLOAT 2 /* floating point types */ 4167#define WANT_ENUM 4 /* enumerated types */ 4168#define WANT_POINTER 8 /* pointer types */ 4169#define WANT_NULL 16 /* null pointer constant */ 4170#define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */ 4171#define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX) 4172 4173/* Used with comptypes, and related functions, to guide type 4174 comparison. */ 4175 4176#define COMPARE_STRICT 0 /* Just check if the types are the 4177 same. */ 4178#define COMPARE_BASE 1 /* Check to see if the second type is 4179 derived from the first. */ 4180#define COMPARE_DERIVED 2 /* Like COMPARE_BASE, but in 4181 reverse. */ 4182#define COMPARE_REDECLARATION 4 /* The comparison is being done when 4183 another declaration of an existing 4184 entity is seen. */ 4185#define COMPARE_STRUCTURAL 8 /* The comparison is intended to be 4186 structural. The actual comparison 4187 will be identical to 4188 COMPARE_STRICT. */ 4189 4190/* Used with push_overloaded_decl. */ 4191#define PUSH_GLOBAL 0 /* Push the DECL into namespace scope, 4192 regardless of the current scope. */ 4193#define PUSH_LOCAL 1 /* Push the DECL into the current 4194 scope. */ 4195#define PUSH_USING 2 /* We are pushing this DECL as the 4196 result of a using declaration. */ 4197 4198/* Used with start function. */ 4199#define SF_DEFAULT 0 /* No flags. */ 4200#define SF_PRE_PARSED 1 /* The function declaration has 4201 already been parsed. */ 4202#define SF_INCLASS_INLINE 2 /* The function is an inline, defined 4203 in the class body. */ 4204 4205/* Used with start_decl's initialized parameter. */ 4206#define SD_UNINITIALIZED 0 4207#define SD_INITIALIZED 1 4208#define SD_DEFAULTED 2 4209#define SD_DELETED 3 4210 4211/* Returns nonzero iff TYPE1 and TYPE2 are the same type, or if TYPE2 4212 is derived from TYPE1, or if TYPE2 is a pointer (reference) to a 4213 class derived from the type pointed to (referred to) by TYPE1. */ 4214#define same_or_base_type_p(TYPE1, TYPE2) \ 4215 comptypes ((TYPE1), (TYPE2), COMPARE_BASE) 4216 4217/* These macros are used to access a TEMPLATE_PARM_INDEX. */ 4218#define TEMPLATE_PARM_INDEX_CAST(NODE) \ 4219 ((template_parm_index*)TEMPLATE_PARM_INDEX_CHECK (NODE)) 4220#define TEMPLATE_PARM_IDX(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->index) 4221#define TEMPLATE_PARM_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->level) 4222#define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE)) 4223#define TEMPLATE_PARM_ORIG_LEVEL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->orig_level) 4224#define TEMPLATE_PARM_DECL(NODE) (TEMPLATE_PARM_INDEX_CAST (NODE)->decl) 4225#define TEMPLATE_PARM_PARAMETER_PACK(NODE) \ 4226 (TREE_LANG_FLAG_0 (TEMPLATE_PARM_INDEX_CHECK (NODE))) 4227 4228/* These macros are for accessing the fields of TEMPLATE_TYPE_PARM, 4229 TEMPLATE_TEMPLATE_PARM and BOUND_TEMPLATE_TEMPLATE_PARM nodes. */ 4230#define TEMPLATE_TYPE_PARM_INDEX(NODE) \ 4231 (TREE_CHECK3 ((NODE), TEMPLATE_TYPE_PARM, TEMPLATE_TEMPLATE_PARM, \ 4232 BOUND_TEMPLATE_TEMPLATE_PARM))->type.values 4233#define TEMPLATE_TYPE_IDX(NODE) \ 4234 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE))) 4235#define TEMPLATE_TYPE_LEVEL(NODE) \ 4236 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE))) 4237#define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \ 4238 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE))) 4239#define TEMPLATE_TYPE_DECL(NODE) \ 4240 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE))) 4241#define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \ 4242 (TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE))) 4243/* The list of template parms that a given template parameter of type 4244 TEMPLATE_TYPE_PARM belongs to.*/ 4245#define TEMPLATE_TYPE_PARM_SIBLING_PARMS(NODE) \ 4246 (TREE_CHECK ((NODE), TEMPLATE_TYPE_PARM))->type.maxval 4247 4248/* These constants can used as bit flags in the process of tree formatting. 4249 4250 TFF_PLAIN_IDENTIFIER: unqualified part of a name. 4251 TFF_SCOPE: include the class and namespace scope of the name. 4252 TFF_CHASE_TYPEDEF: print the original type-id instead of the typedef-name. 4253 TFF_DECL_SPECIFIERS: print decl-specifiers. 4254 TFF_CLASS_KEY_OR_ENUM: precede a class-type name (resp. enum name) with 4255 a class-key (resp. `enum'). 4256 TFF_RETURN_TYPE: include function return type. 4257 TFF_FUNCTION_DEFAULT_ARGUMENTS: include function default parameter values. 4258 TFF_EXCEPTION_SPECIFICATION: show function exception specification. 4259 TFF_TEMPLATE_HEADER: show the template<...> header in a 4260 template-declaration. 4261 TFF_TEMPLATE_NAME: show only template-name. 4262 TFF_EXPR_IN_PARENS: parenthesize expressions. 4263 TFF_NO_FUNCTION_ARGUMENTS: don't show function arguments. 4264 TFF_UNQUALIFIED_NAME: do not print the qualifying scope of the 4265 top-level entity. 4266 TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS: do not omit template arguments 4267 identical to their defaults. */ 4268 4269#define TFF_PLAIN_IDENTIFIER (0) 4270#define TFF_SCOPE (1) 4271#define TFF_CHASE_TYPEDEF (1 << 1) 4272#define TFF_DECL_SPECIFIERS (1 << 2) 4273#define TFF_CLASS_KEY_OR_ENUM (1 << 3) 4274#define TFF_RETURN_TYPE (1 << 4) 4275#define TFF_FUNCTION_DEFAULT_ARGUMENTS (1 << 5) 4276#define TFF_EXCEPTION_SPECIFICATION (1 << 6) 4277#define TFF_TEMPLATE_HEADER (1 << 7) 4278#define TFF_TEMPLATE_NAME (1 << 8) 4279#define TFF_EXPR_IN_PARENS (1 << 9) 4280#define TFF_NO_FUNCTION_ARGUMENTS (1 << 10) 4281#define TFF_UNQUALIFIED_NAME (1 << 11) 4282#define TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS (1 << 12) 4283 4284/* Returns the TEMPLATE_DECL associated to a TEMPLATE_TEMPLATE_PARM 4285 node. */ 4286#define TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL(NODE) \ 4287 ((TREE_CODE (NODE) == BOUND_TEMPLATE_TEMPLATE_PARM) \ 4288 ? TYPE_TI_TEMPLATE (NODE) \ 4289 : TYPE_NAME (NODE)) 4290 4291/* in lex.c */ 4292 4293extern void init_reswords (void); 4294 4295typedef struct GTY(()) operator_name_info_t { 4296 /* The IDENTIFIER_NODE for the operator. */ 4297 tree identifier; 4298 /* The name of the operator. */ 4299 const char *name; 4300 /* The mangled name of the operator. */ 4301 const char *mangled_name; 4302 /* The arity of the operator. */ 4303 int arity; 4304} operator_name_info_t; 4305 4306/* A mapping from tree codes to operator name information. */ 4307extern GTY(()) operator_name_info_t operator_name_info 4308 [(int) MAX_TREE_CODES]; 4309/* Similar, but for assignment operators. */ 4310extern GTY(()) operator_name_info_t assignment_operator_name_info 4311 [(int) MAX_TREE_CODES]; 4312 4313/* A type-qualifier, or bitmask therefore, using the TYPE_QUAL 4314 constants. */ 4315 4316typedef int cp_cv_quals; 4317 4318/* A storage class. */ 4319 4320typedef enum cp_storage_class { 4321 /* sc_none must be zero so that zeroing a cp_decl_specifier_seq 4322 sets the storage_class field to sc_none. */ 4323 sc_none = 0, 4324 sc_auto, 4325 sc_register, 4326 sc_static, 4327 sc_extern, 4328 sc_mutable 4329} cp_storage_class; 4330 4331/* An individual decl-specifier. */ 4332 4333typedef enum cp_decl_spec { 4334 ds_first, 4335 ds_signed = ds_first, 4336 ds_unsigned, 4337 ds_short, 4338 ds_long, 4339 ds_const, 4340 ds_volatile, 4341 ds_restrict, 4342 ds_inline, 4343 ds_virtual, 4344 ds_explicit, 4345 ds_friend, 4346 ds_typedef, 4347 ds_constexpr, 4348 ds_complex, 4349 ds_thread, 4350 ds_last 4351} cp_decl_spec; 4352 4353/* A decl-specifier-seq. */ 4354 4355typedef struct cp_decl_specifier_seq { 4356 /* The number of times each of the keywords has been seen. */ 4357 unsigned specs[(int) ds_last]; 4358 /* The primary type, if any, given by the decl-specifier-seq. 4359 Modifiers, like "short", "const", and "unsigned" are not 4360 reflected here. This field will be a TYPE, unless a typedef-name 4361 was used, in which case it will be a TYPE_DECL. */ 4362 tree type; 4363 /* The location of the primary type. Mainly used for error 4364 reporting. */ 4365 location_t type_location; 4366 /* The attributes, if any, provided with the specifier sequence. */ 4367 tree attributes; 4368 /* If non-NULL, a built-in type that the user attempted to redefine 4369 to some other type. */ 4370 tree redefined_builtin_type; 4371 /* The storage class specified -- or sc_none if no storage class was 4372 explicitly specified. */ 4373 cp_storage_class storage_class; 4374 /* True iff TYPE_SPEC indicates a user-defined type. */ 4375 BOOL_BITFIELD user_defined_type_p : 1; 4376 /* True iff multiple types were (erroneously) specified for this 4377 decl-specifier-seq. */ 4378 BOOL_BITFIELD multiple_types_p : 1; 4379 /* True iff multiple storage classes were (erroneously) specified 4380 for this decl-specifier-seq or a combination of a storage class 4381 with a typedef specifier. */ 4382 BOOL_BITFIELD conflicting_specifiers_p : 1; 4383 /* True iff at least one decl-specifier was found. */ 4384 BOOL_BITFIELD any_specifiers_p : 1; 4385 /* True iff at least one type-specifier was found. */ 4386 BOOL_BITFIELD any_type_specifiers_p : 1; 4387 /* True iff "int" was explicitly provided. */ 4388 BOOL_BITFIELD explicit_int_p : 1; 4389 /* True iff "char" was explicitly provided. */ 4390 BOOL_BITFIELD explicit_char_p : 1; 4391} cp_decl_specifier_seq; 4392 4393/* The various kinds of declarators. */ 4394 4395typedef enum cp_declarator_kind { 4396 cdk_id, 4397 cdk_function, 4398 cdk_array, 4399 cdk_pointer, 4400 cdk_reference, 4401 cdk_ptrmem, 4402 cdk_error 4403} cp_declarator_kind; 4404 4405/* A declarator. */ 4406 4407typedef struct cp_declarator cp_declarator; 4408 4409typedef struct cp_parameter_declarator cp_parameter_declarator; 4410 4411/* A parameter, before it has been semantically analyzed. */ 4412struct cp_parameter_declarator { 4413 /* The next parameter, or NULL_TREE if none. */ 4414 cp_parameter_declarator *next; 4415 /* The decl-specifiers-seq for the parameter. */ 4416 cp_decl_specifier_seq decl_specifiers; 4417 /* The declarator for the parameter. */ 4418 cp_declarator *declarator; 4419 /* The default-argument expression, or NULL_TREE, if none. */ 4420 tree default_argument; 4421 /* True iff this is the first parameter in the list and the 4422 parameter sequence ends with an ellipsis. */ 4423 bool ellipsis_p; 4424}; 4425 4426/* A declarator. */ 4427struct cp_declarator { 4428 /* The kind of declarator. */ 4429 ENUM_BITFIELD (cp_declarator_kind) kind : 4; 4430 /* Whether we parsed an ellipsis (`...') just before the declarator, 4431 to indicate this is a parameter pack. */ 4432 BOOL_BITFIELD parameter_pack_p : 1; 4433 /* Attributes that apply to this declarator. */ 4434 tree attributes; 4435 /* For all but cdk_id and cdk_error, the contained declarator. For 4436 cdk_id and cdk_error, guaranteed to be NULL. */ 4437 cp_declarator *declarator; 4438 location_t id_loc; /* Currently only set for cdk_id and cdk_function. */ 4439 union { 4440 /* For identifiers. */ 4441 struct { 4442 /* If non-NULL, the qualifying scope (a NAMESPACE_DECL or 4443 *_TYPE) for this identifier. */ 4444 tree qualifying_scope; 4445 /* The unqualified name of the entity -- an IDENTIFIER_NODE, 4446 BIT_NOT_EXPR, or TEMPLATE_ID_EXPR. */ 4447 tree unqualified_name; 4448 /* If this is the name of a function, what kind of special 4449 function (if any). */ 4450 special_function_kind sfk; 4451 } id; 4452 /* For functions. */ 4453 struct { 4454 /* The parameters to the function as a TREE_LIST of decl/default. */ 4455 tree parameters; 4456 /* The cv-qualifiers for the function. */ 4457 cp_cv_quals qualifiers; 4458 /* The exception-specification for the function. */ 4459 tree exception_specification; 4460 /* The late-specified return type, if any. */ 4461 tree late_return_type; 4462 } function; 4463 /* For arrays. */ 4464 struct { 4465 /* The bounds to the array. */ 4466 tree bounds; 4467 } array; 4468 /* For cdk_pointer and cdk_ptrmem. */ 4469 struct { 4470 /* The cv-qualifiers for the pointer. */ 4471 cp_cv_quals qualifiers; 4472 /* For cdk_ptrmem, the class type containing the member. */ 4473 tree class_type; 4474 } pointer; 4475 /* For cdk_reference */ 4476 struct { 4477 /* The cv-qualifiers for the reference. These qualifiers are 4478 only used to diagnose ill-formed code. */ 4479 cp_cv_quals qualifiers; 4480 /* Whether this is an rvalue reference */ 4481 bool rvalue_ref; 4482 } reference; 4483 } u; 4484}; 4485 4486/* A level of template instantiation. */ 4487struct GTY(()) tinst_level { 4488 /* The immediately deeper level in the chain. */ 4489 struct tinst_level *next; 4490 4491 /* The original node. Can be either a DECL (for a function or static 4492 data member) or a TYPE (for a class), depending on what we were 4493 asked to instantiate. */ 4494 tree decl; 4495 4496 /* The location where the template is instantiated. */ 4497 location_t locus; 4498 4499 /* True if the location is in a system header. */ 4500 bool in_system_header_p; 4501}; 4502 4503/* A parameter list indicating for a function with no parameters, 4504 e.g "int f(void)". */ 4505extern cp_parameter_declarator *no_parameters; 4506 4507/* True if we saw "#pragma GCC java_exceptions". */ 4508extern bool pragma_java_exceptions; 4509 4510/* in call.c */ 4511extern bool check_dtor_name (tree, tree); 4512 4513extern tree build_conditional_expr (tree, tree, tree, 4514 tsubst_flags_t); 4515extern tree build_addr_func (tree); 4516extern tree build_call_a (tree, int, tree*); 4517extern tree build_call_n (tree, int, ...); 4518extern bool null_ptr_cst_p (tree); 4519extern bool sufficient_parms_p (const_tree); 4520extern tree type_decays_to (tree); 4521extern tree build_user_type_conversion (tree, tree, int); 4522extern tree build_new_function_call (tree, VEC(tree,gc) **, bool, 4523 tsubst_flags_t); 4524extern tree build_operator_new_call (tree, VEC(tree,gc) **, tree *, 4525 tree *, tree *); 4526extern tree build_new_method_call (tree, tree, VEC(tree,gc) **, 4527 tree, int, tree *, 4528 tsubst_flags_t); 4529extern tree build_special_member_call (tree, tree, VEC(tree,gc) **, 4530 tree, int, tsubst_flags_t); 4531extern tree build_new_op (enum tree_code, int, tree, 4532 tree, tree, bool *, 4533 tsubst_flags_t); 4534extern tree build_op_call (tree, VEC(tree,gc) **, 4535 tsubst_flags_t); 4536extern tree build_op_delete_call (enum tree_code, tree, tree, bool, tree, tree); 4537extern bool can_convert (tree, tree); 4538extern bool can_convert_arg (tree, tree, tree, int); 4539extern bool can_convert_arg_bad (tree, tree, tree, int); 4540extern bool enforce_access (tree, tree, tree); 4541extern tree convert_default_arg (tree, tree, tree, int); 4542extern tree convert_arg_to_ellipsis (tree); 4543extern tree build_x_va_arg (tree, tree); 4544extern tree cxx_type_promotes_to (tree); 4545extern tree type_passed_as (tree); 4546extern tree convert_for_arg_passing (tree, tree); 4547extern bool is_properly_derived_from (tree, tree); 4548extern tree set_up_extended_ref_temp (tree, tree, tree *, tree *); 4549extern tree initialize_reference (tree, tree, tree, tree *, tsubst_flags_t); 4550extern tree make_temporary_var_for_ref_to_temp (tree, tree); 4551extern tree strip_top_quals (tree); 4552extern bool reference_related_p (tree, tree); 4553extern tree perform_implicit_conversion (tree, tree, tsubst_flags_t); 4554extern tree perform_implicit_conversion_flags (tree, tree, tsubst_flags_t, int); 4555extern tree perform_direct_initialization_if_possible (tree, tree, bool, 4556 tsubst_flags_t); 4557extern tree in_charge_arg_for_name (tree); 4558extern tree build_cxx_call (tree, int, tree *); 4559extern bool is_std_init_list (tree); 4560extern bool is_list_ctor (tree); 4561#ifdef ENABLE_CHECKING 4562extern void validate_conversion_obstack (void); 4563#endif /* ENABLE_CHECKING */ 4564 4565/* in class.c */ 4566extern tree build_vfield_ref (tree, tree); 4567extern tree build_base_path (enum tree_code, tree, 4568 tree, int); 4569extern tree convert_to_base (tree, tree, bool, bool); 4570extern tree convert_to_base_statically (tree, tree); 4571extern tree build_vtbl_ref (tree, tree); 4572extern tree build_vfn_ref (tree, tree); 4573extern tree get_vtable_decl (tree, int); 4574extern void resort_type_method_vec (void *, void *, 4575 gt_pointer_operator, void *); 4576extern bool add_method (tree, tree, tree); 4577extern bool currently_open_class (tree); 4578extern tree currently_open_derived_class (tree); 4579extern tree finish_struct (tree, tree); 4580extern void finish_struct_1 (tree); 4581extern int resolves_to_fixed_type_p (tree, int *); 4582extern void init_class_processing (void); 4583extern int is_empty_class (tree); 4584extern bool is_really_empty_class (tree); 4585extern void pushclass (tree); 4586extern void popclass (void); 4587extern void push_nested_class (tree); 4588extern void pop_nested_class (void); 4589extern int current_lang_depth (void); 4590extern void push_lang_context (tree); 4591extern void pop_lang_context (void); 4592extern tree instantiate_type (tree, tree, tsubst_flags_t); 4593extern void print_class_statistics (void); 4594extern void build_self_reference (void); 4595extern int same_signature_p (const_tree, const_tree); 4596extern void maybe_add_class_template_decl_list (tree, tree, int); 4597extern void unreverse_member_declarations (tree); 4598extern void invalidate_class_lookup_cache (void); 4599extern void maybe_note_name_used_in_class (tree, tree); 4600extern void note_name_declared_in_class (tree, tree); 4601extern tree get_vtbl_decl_for_binfo (tree); 4602extern void debug_class (tree); 4603extern void debug_thunks (tree); 4604extern tree cp_fold_obj_type_ref (tree, tree); 4605extern void set_linkage_according_to_type (tree, tree); 4606extern void determine_key_method (tree); 4607extern void check_for_override (tree, tree); 4608extern void push_class_stack (void); 4609extern void pop_class_stack (void); 4610extern bool type_has_user_nondefault_constructor (tree); 4611extern bool user_provided_p (tree); 4612extern bool type_has_user_provided_constructor (tree); 4613extern bool type_has_user_provided_default_constructor (tree); 4614extern void defaulted_late_check (tree); 4615extern bool defaultable_fn_check (tree); 4616extern void fixup_type_variants (tree); 4617extern tree* decl_cloned_function_p (const_tree, bool); 4618extern void clone_function_decl (tree, int); 4619extern void adjust_clone_args (tree); 4620 4621/* in cvt.c */ 4622extern tree convert_to_reference (tree, tree, int, int, tree); 4623extern tree convert_from_reference (tree); 4624extern tree force_rvalue (tree); 4625extern tree ocp_convert (tree, tree, int, int); 4626extern tree cp_convert (tree, tree); 4627extern tree cp_convert_and_check (tree, tree); 4628extern tree cp_fold_convert (tree, tree); 4629extern tree convert_to_void (tree, const char */*implicit context*/, 4630 tsubst_flags_t); 4631extern tree convert_force (tree, tree, int); 4632extern tree build_expr_type_conversion (int, tree, bool); 4633extern tree type_promotes_to (tree); 4634extern tree perform_qualification_conversions (tree, tree); 4635 4636/* in name-lookup.c */ 4637extern tree pushdecl (tree); 4638extern tree pushdecl_maybe_friend (tree, bool); 4639extern void maybe_push_cleanup_level (tree); 4640extern tree pushtag (tree, tree, tag_scope); 4641extern tree make_anon_name (void); 4642extern tree pushdecl_top_level_maybe_friend (tree, bool); 4643extern tree pushdecl_top_level_and_finish (tree, tree); 4644extern tree check_for_out_of_scope_variable (tree); 4645extern void print_other_binding_stack (struct cp_binding_level *); 4646extern tree maybe_push_decl (tree); 4647 4648/* decl.c */ 4649extern tree poplevel (int, int, int); 4650extern void cxx_init_decl_processing (void); 4651enum cp_tree_node_structure_enum cp_tree_node_structure 4652 (union lang_tree_node *); 4653extern void finish_scope (void); 4654extern void push_switch (tree); 4655extern void pop_switch (void); 4656extern tree make_lambda_name (void); 4657extern int decls_match (tree, tree); 4658extern tree duplicate_decls (tree, tree, bool); 4659extern tree declare_local_label (tree); 4660extern tree define_label (location_t, tree); 4661extern void check_goto (tree); 4662extern bool check_omp_return (void); 4663extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t); 4664extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t); 4665extern tree build_library_fn_ptr (const char *, tree); 4666extern tree build_cp_library_fn_ptr (const char *, tree); 4667extern tree push_library_fn (tree, tree, tree); 4668extern tree push_void_library_fn (tree, tree); 4669extern tree push_throw_library_fn (tree, tree); 4670extern tree check_tag_decl (cp_decl_specifier_seq *); 4671extern tree shadow_tag (cp_decl_specifier_seq *); 4672extern tree groktypename (cp_decl_specifier_seq *, const cp_declarator *, bool); 4673extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, tree, tree, tree *); 4674extern void start_decl_1 (tree, bool); 4675extern bool check_array_initializer (tree, tree, tree); 4676extern void cp_finish_decl (tree, tree, bool, tree, int); 4677extern int cp_complete_array_type (tree *, tree, bool); 4678extern tree build_ptrmemfunc_type (tree); 4679extern tree build_ptrmem_type (tree, tree); 4680/* the grokdeclarator prototype is in decl.h */ 4681extern tree build_this_parm (tree, cp_cv_quals); 4682extern int copy_fn_p (const_tree); 4683extern bool move_fn_p (const_tree); 4684extern tree get_scope_of_declarator (const cp_declarator *); 4685extern void grok_special_member_properties (tree); 4686extern int grok_ctor_properties (const_tree, const_tree); 4687extern bool grok_op_properties (tree, bool); 4688extern tree xref_tag (enum tag_types, tree, tag_scope, bool); 4689extern tree xref_tag_from_type (tree, tree, tag_scope); 4690extern bool xref_basetypes (tree, tree); 4691extern tree start_enum (tree, tree, bool); 4692extern void finish_enum (tree); 4693extern void build_enumerator (tree, tree, tree); 4694extern tree lookup_enumerator (tree, tree); 4695extern void start_preparsed_function (tree, tree, int); 4696extern int start_function (cp_decl_specifier_seq *, const cp_declarator *, tree); 4697extern tree begin_function_body (void); 4698extern void finish_function_body (tree); 4699extern tree outer_curly_brace_block (tree); 4700extern tree finish_function (int); 4701extern tree grokmethod (cp_decl_specifier_seq *, const cp_declarator *, tree); 4702extern void maybe_register_incomplete_var (tree); 4703extern void maybe_commonize_var (tree); 4704extern void complete_vars (tree); 4705extern void finish_stmt (void); 4706extern tree static_fn_type (tree); 4707extern void revert_static_member_fn (tree); 4708extern void fixup_anonymous_aggr (tree); 4709extern int check_static_variable_definition (tree, tree); 4710extern tree compute_array_index_type (tree, tree); 4711extern tree check_default_argument (tree, tree); 4712typedef int (*walk_namespaces_fn) (tree, void *); 4713extern int walk_namespaces (walk_namespaces_fn, 4714 void *); 4715extern int wrapup_globals_for_namespace (tree, void *); 4716extern tree create_implicit_typedef (tree, tree); 4717extern int local_variable_p (const_tree); 4718extern tree register_dtor_fn (tree); 4719extern tmpl_spec_kind current_tmpl_spec_kind (int); 4720extern tree cp_fname_init (const char *, tree *); 4721extern tree cxx_builtin_function (tree decl); 4722extern tree cxx_builtin_function_ext_scope (tree decl); 4723extern tree check_elaborated_type_specifier (enum tag_types, tree, bool); 4724extern void warn_extern_redeclared_static (tree, tree); 4725extern tree cxx_comdat_group (tree); 4726extern bool cp_missing_noreturn_ok_p (tree); 4727extern void initialize_artificial_var (tree, tree); 4728extern tree check_var_type (tree, tree); 4729extern tree reshape_init (tree, tree); 4730extern tree next_initializable_field (tree); 4731 4732extern bool defer_mark_used_calls; 4733extern GTY(()) VEC(tree, gc) *deferred_mark_used_calls; 4734extern tree finish_case_label (location_t, tree, tree); 4735extern tree cxx_maybe_build_cleanup (tree); 4736 4737/* in decl2.c */ 4738extern bool check_java_method (tree); 4739extern tree build_memfn_type (tree, tree, cp_cv_quals); 4740extern tree change_return_type (tree, tree); 4741extern void maybe_retrofit_in_chrg (tree); 4742extern void maybe_make_one_only (tree); 4743extern bool vague_linkage_p (tree); 4744extern void grokclassfn (tree, tree, 4745 enum overload_flags); 4746extern tree grok_array_decl (tree, tree); 4747extern tree delete_sanity (tree, tree, bool, int); 4748extern tree check_classfn (tree, tree, tree); 4749extern void check_member_template (tree); 4750extern tree grokfield (const cp_declarator *, cp_decl_specifier_seq *, 4751 tree, bool, tree, tree); 4752extern tree grokbitfield (const cp_declarator *, cp_decl_specifier_seq *, 4753 tree, tree); 4754extern tree cp_reconstruct_complex_type (tree, tree); 4755extern void cplus_decl_attributes (tree *, tree, int); 4756extern void finish_anon_union (tree); 4757extern void cp_write_global_declarations (void); 4758extern tree coerce_new_type (tree); 4759extern tree coerce_delete_type (tree); 4760extern void comdat_linkage (tree); 4761extern void determine_visibility (tree); 4762extern void constrain_class_visibility (tree); 4763extern void import_export_decl (tree); 4764extern tree build_cleanup (tree); 4765extern tree build_offset_ref_call_from_tree (tree, VEC(tree,gc) **); 4766extern void check_default_args (tree); 4767extern void mark_used (tree); 4768extern void finish_static_data_member_decl (tree, tree, bool, tree, int); 4769extern tree cp_build_parm_decl (tree, tree); 4770extern tree get_guard (tree); 4771extern tree get_guard_cond (tree); 4772extern tree set_guard (tree); 4773extern tree cxx_callgraph_analyze_expr (tree *, int *); 4774extern void mark_needed (tree); 4775extern bool decl_needed_p (tree); 4776extern void note_vague_linkage_fn (tree); 4777extern tree build_artificial_parm (tree, tree); 4778extern bool possibly_inlined_p (tree); 4779extern int parm_index (tree); 4780 4781/* in error.c */ 4782extern void init_error (void); 4783extern const char *type_as_string (tree, int); 4784extern const char *type_as_string_translate (tree, int); 4785extern const char *decl_as_string (tree, int); 4786extern const char *decl_as_string_translate (tree, int); 4787extern const char *expr_as_string (tree, int); 4788extern const char *lang_decl_name (tree, int, bool); 4789extern const char *language_to_string (enum languages); 4790extern const char *class_key_or_enum_as_string (tree); 4791extern void print_instantiation_context (void); 4792extern void maybe_warn_variadic_templates (void); 4793extern void maybe_warn_cpp0x (cpp0x_warn_str str); 4794extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_CXXDIAG(3,4); 4795 4796/* in except.c */ 4797extern void init_exception_processing (void); 4798extern tree expand_start_catch_block (tree); 4799extern void expand_end_catch_block (void); 4800extern tree build_exc_ptr (void); 4801extern tree build_throw (tree); 4802extern int nothrow_libfn_p (const_tree); 4803extern void check_handlers (tree); 4804extern void choose_personality_routine (enum languages); 4805extern tree eh_type_info (tree); 4806extern tree begin_eh_spec_block (void); 4807extern void finish_eh_spec_block (tree, tree); 4808extern tree build_eh_type_type (tree); 4809 4810/* in expr.c */ 4811extern tree cplus_expand_constant (tree); 4812 4813/* friend.c */ 4814extern int is_friend (tree, tree); 4815extern void make_friend_class (tree, tree, bool); 4816extern void add_friend (tree, tree, bool); 4817extern tree do_friend (tree, tree, tree, tree, enum overload_flags, bool); 4818 4819/* in init.c */ 4820extern tree expand_member_init (tree); 4821extern void emit_mem_initializers (tree); 4822extern tree build_aggr_init (tree, tree, int, 4823 tsubst_flags_t); 4824extern int is_class_type (tree, int); 4825extern tree get_type_value (tree); 4826extern tree build_zero_init (tree, tree, bool); 4827extern tree build_value_init (tree); 4828extern tree build_value_init_noctor (tree); 4829extern tree build_offset_ref (tree, tree, bool); 4830extern tree build_new (VEC(tree,gc) **, tree, tree, 4831 VEC(tree,gc) **, int, 4832 tsubst_flags_t); 4833extern tree build_vec_init (tree, tree, tree, bool, int, 4834 tsubst_flags_t); 4835extern tree build_delete (tree, tree, 4836 special_function_kind, 4837 int, int); 4838extern void push_base_cleanups (void); 4839extern tree build_vec_delete (tree, tree, 4840 special_function_kind, int); 4841extern tree create_temporary_var (tree); 4842extern void initialize_vtbl_ptrs (tree); 4843extern tree build_java_class_ref (tree); 4844extern tree integral_constant_value (tree); 4845 4846/* in lex.c */ 4847extern void cxx_dup_lang_specific_decl (tree); 4848extern void yyungetc (int, int); 4849 4850extern tree unqualified_name_lookup_error (tree); 4851extern tree unqualified_fn_lookup_error (tree); 4852extern tree build_lang_decl (enum tree_code, tree, tree); 4853extern void retrofit_lang_decl (tree); 4854extern tree copy_decl (tree); 4855extern tree copy_type (tree); 4856extern tree cxx_make_type (enum tree_code); 4857extern tree make_class_type (enum tree_code); 4858extern bool cxx_init (void); 4859extern void cxx_finish (void); 4860extern bool in_main_input_context (void); 4861 4862/* in method.c */ 4863extern void init_method (void); 4864extern tree make_thunk (tree, bool, tree, tree); 4865extern void finish_thunk (tree); 4866extern void use_thunk (tree, bool); 4867extern void synthesize_method (tree); 4868extern tree lazily_declare_fn (special_function_kind, 4869 tree); 4870extern tree skip_artificial_parms_for (const_tree, tree); 4871extern int num_artificial_parms_for (const_tree); 4872extern tree make_alias_for (tree, tree); 4873extern tree locate_copy (tree, void *); 4874extern tree locate_ctor (tree, void *); 4875extern tree locate_dtor (tree, void *); 4876 4877/* In optimize.c */ 4878extern bool maybe_clone_body (tree); 4879 4880/* in pt.c */ 4881extern bool check_template_shadow (tree); 4882extern tree get_innermost_template_args (tree, int); 4883extern void maybe_begin_member_template_processing (tree); 4884extern void maybe_end_member_template_processing (void); 4885extern tree finish_member_template_decl (tree); 4886extern void begin_template_parm_list (void); 4887extern bool begin_specialization (void); 4888extern void reset_specialization (void); 4889extern void end_specialization (void); 4890extern void begin_explicit_instantiation (void); 4891extern void end_explicit_instantiation (void); 4892extern tree check_explicit_specialization (tree, tree, int, int); 4893extern tree make_auto (void); 4894extern tree do_auto_deduction (tree, tree, tree); 4895extern tree type_uses_auto (tree); 4896extern void append_type_to_template_for_access_check (tree, tree, tree, 4897 location_t); 4898extern tree splice_late_return_type (tree, tree); 4899extern bool is_auto (const_tree); 4900extern tree process_template_parm (tree, location_t, tree, 4901 bool, bool); 4902extern tree end_template_parm_list (tree); 4903extern void end_template_decl (void); 4904extern tree maybe_update_decl_type (tree, tree); 4905extern bool check_default_tmpl_args (tree, tree, int, int, int); 4906extern tree push_template_decl (tree); 4907extern tree push_template_decl_real (tree, bool); 4908extern bool redeclare_class_template (tree, tree); 4909extern tree lookup_template_class (tree, tree, tree, tree, 4910 int, tsubst_flags_t); 4911extern tree lookup_template_function (tree, tree); 4912extern int uses_template_parms (tree); 4913extern int uses_template_parms_level (tree, int); 4914extern tree instantiate_class_template (tree); 4915extern tree instantiate_template (tree, tree, tsubst_flags_t); 4916extern int fn_type_unification (tree, tree, tree, 4917 const tree *, unsigned int, 4918 tree, unification_kind_t, int); 4919extern void mark_decl_instantiated (tree, int); 4920extern int more_specialized_fn (tree, tree, int); 4921extern void do_decl_instantiation (tree, tree); 4922extern void do_type_instantiation (tree, tree, tsubst_flags_t); 4923extern bool always_instantiate_p (tree); 4924extern tree instantiate_decl (tree, int, bool); 4925extern int comp_template_parms (const_tree, const_tree); 4926extern bool uses_parameter_packs (tree); 4927extern bool template_parameter_pack_p (const_tree); 4928extern bool function_parameter_pack_p (const_tree); 4929extern bool function_parameter_expanded_from_pack_p (tree, tree); 4930extern tree make_pack_expansion (tree); 4931extern bool check_for_bare_parameter_packs (tree); 4932extern tree build_template_info (tree, tree); 4933extern tree get_template_info (const_tree); 4934extern VEC(qualified_typedef_usage_t,gc)* get_types_needing_access_check (tree); 4935extern int template_class_depth (tree); 4936extern int is_specialization_of (tree, tree); 4937extern bool is_specialization_of_friend (tree, tree); 4938extern tree get_pattern_parm (tree, tree); 4939extern int comp_template_args (tree, tree); 4940extern tree maybe_process_partial_specialization (tree); 4941extern tree most_specialized_instantiation (tree); 4942extern void print_candidates (tree); 4943extern void instantiate_pending_templates (int); 4944extern tree tsubst_default_argument (tree, tree, tree); 4945extern tree tsubst (tree, tree, tsubst_flags_t, tree); 4946extern tree tsubst_copy_and_build (tree, tree, tsubst_flags_t, 4947 tree, bool, bool); 4948extern tree most_general_template (tree); 4949extern tree get_mostly_instantiated_function_type (tree); 4950extern int problematic_instantiation_changed (void); 4951extern void record_last_problematic_instantiation (void); 4952extern struct tinst_level *current_instantiation(void); 4953extern tree maybe_get_template_decl_from_type_decl (tree); 4954extern int processing_template_parmlist; 4955extern bool dependent_type_p (tree); 4956extern bool dependent_scope_p (tree); 4957extern bool any_dependent_template_arguments_p (const_tree); 4958extern bool dependent_template_p (tree); 4959extern bool dependent_template_id_p (tree, tree); 4960extern bool type_dependent_expression_p (tree); 4961extern bool any_type_dependent_arguments_p (const VEC(tree,gc) *); 4962extern bool type_dependent_expression_p_push (tree); 4963extern bool value_dependent_expression_p (tree); 4964extern bool any_value_dependent_elements_p (const_tree); 4965extern bool dependent_omp_for_p (tree, tree, tree, tree); 4966extern tree resolve_typename_type (tree, bool); 4967extern tree template_for_substitution (tree); 4968extern tree build_non_dependent_expr (tree); 4969extern void make_args_non_dependent (VEC(tree,gc) *); 4970extern bool reregister_specialization (tree, tree, tree); 4971extern tree fold_non_dependent_expr (tree); 4972extern bool explicit_class_specialization_p (tree); 4973extern int push_tinst_level (tree); 4974extern void pop_tinst_level (void); 4975extern struct tinst_level *outermost_tinst_level(void); 4976extern bool parameter_of_template_p (tree, tree); 4977extern void init_template_processing (void); 4978bool template_template_parameter_p (const_tree); 4979extern bool primary_template_instantiation_p (const_tree); 4980extern tree get_primary_template_innermost_parameters (const_tree); 4981extern tree get_template_parms_at_level (tree, int); 4982extern tree get_template_innermost_arguments (const_tree); 4983extern tree get_template_argument_pack_elems (const_tree); 4984extern tree get_function_template_decl (const_tree); 4985extern tree resolve_nondeduced_context (tree); 4986 4987/* in repo.c */ 4988extern void init_repo (void); 4989extern int repo_emit_p (tree); 4990extern bool repo_export_class_p (const_tree); 4991extern void finish_repo (void); 4992 4993/* in rtti.c */ 4994/* A vector of all tinfo decls that haven't been emitted yet. */ 4995extern GTY(()) VEC(tree,gc) *unemitted_tinfo_decls; 4996 4997extern void init_rtti_processing (void); 4998extern tree build_typeid (tree); 4999extern tree get_tinfo_decl (tree); 5000extern tree get_typeid (tree); 5001extern tree build_headof (tree); 5002extern tree build_dynamic_cast (tree, tree, tsubst_flags_t); 5003extern void emit_support_tinfos (void); 5004extern bool emit_tinfo_decl (tree); 5005 5006/* in search.c */ 5007extern bool accessible_base_p (tree, tree, bool); 5008extern tree lookup_base (tree, tree, base_access, 5009 base_kind *); 5010extern tree dcast_base_hint (tree, tree); 5011extern int accessible_p (tree, tree, bool); 5012extern tree lookup_field_1 (tree, tree, bool); 5013extern tree lookup_field (tree, tree, int, bool); 5014extern int lookup_fnfields_1 (tree, tree); 5015extern int class_method_index_for_fn (tree, tree); 5016extern tree lookup_fnfields (tree, tree, int); 5017extern tree lookup_member (tree, tree, int, bool); 5018extern int look_for_overrides (tree, tree); 5019extern void get_pure_virtuals (tree); 5020extern void maybe_suppress_debug_info (tree); 5021extern void note_debug_info_needed (tree); 5022extern void print_search_statistics (void); 5023extern void reinit_search_statistics (void); 5024extern tree current_scope (void); 5025extern int at_function_scope_p (void); 5026extern bool at_class_scope_p (void); 5027extern bool at_namespace_scope_p (void); 5028extern tree context_for_name_lookup (tree); 5029extern tree lookup_conversions (tree); 5030extern tree binfo_from_vbase (tree); 5031extern tree binfo_for_vbase (tree, tree); 5032extern tree look_for_overrides_here (tree, tree); 5033#define dfs_skip_bases ((tree)1) 5034extern tree dfs_walk_all (tree, tree (*) (tree, void *), 5035 tree (*) (tree, void *), void *); 5036extern tree dfs_walk_once (tree, tree (*) (tree, void *), 5037 tree (*) (tree, void *), void *); 5038extern tree binfo_via_virtual (tree, tree); 5039extern tree build_baselink (tree, tree, tree, tree); 5040extern tree adjust_result_of_qualified_name_lookup 5041 (tree, tree, tree); 5042extern tree copied_binfo (tree, tree); 5043extern tree original_binfo (tree, tree); 5044extern int shared_member_p (tree); 5045 5046 5047/* The representation of a deferred access check. */ 5048 5049typedef struct GTY(()) deferred_access_check { 5050 /* The base class in which the declaration is referenced. */ 5051 tree binfo; 5052 /* The declaration whose access must be checked. */ 5053 tree decl; 5054 /* The declaration that should be used in the error message. */ 5055 tree diag_decl; 5056} deferred_access_check; 5057DEF_VEC_O(deferred_access_check); 5058DEF_VEC_ALLOC_O(deferred_access_check,gc); 5059 5060/* in semantics.c */ 5061extern void push_deferring_access_checks (deferring_kind); 5062extern void resume_deferring_access_checks (void); 5063extern void stop_deferring_access_checks (void); 5064extern void pop_deferring_access_checks (void); 5065extern VEC (deferred_access_check,gc)* get_deferred_access_checks (void); 5066extern void pop_to_parent_deferring_access_checks (void); 5067extern void perform_access_checks (VEC (deferred_access_check,gc)*); 5068extern void perform_deferred_access_checks (void); 5069extern void perform_or_defer_access_check (tree, tree, tree); 5070extern int stmts_are_full_exprs_p (void); 5071extern void init_cp_semantics (void); 5072extern tree do_poplevel (tree); 5073extern void add_decl_expr (tree); 5074extern tree finish_expr_stmt (tree); 5075extern tree begin_if_stmt (void); 5076extern void finish_if_stmt_cond (tree, tree); 5077extern tree finish_then_clause (tree); 5078extern void begin_else_clause (tree); 5079extern void finish_else_clause (tree); 5080extern void finish_if_stmt (tree); 5081extern tree begin_while_stmt (void); 5082extern void finish_while_stmt_cond (tree, tree); 5083extern void finish_while_stmt (tree); 5084extern tree begin_do_stmt (void); 5085extern void finish_do_body (tree); 5086extern void finish_do_stmt (tree, tree); 5087extern tree finish_return_stmt (tree); 5088extern tree begin_for_stmt (void); 5089extern void finish_for_init_stmt (tree); 5090extern void finish_for_cond (tree, tree); 5091extern void finish_for_expr (tree, tree); 5092extern void finish_for_stmt (tree); 5093extern tree finish_break_stmt (void); 5094extern tree finish_continue_stmt (void); 5095extern tree begin_switch_stmt (void); 5096extern void finish_switch_cond (tree, tree); 5097extern void finish_switch_stmt (tree); 5098extern tree finish_goto_stmt (tree); 5099extern tree begin_try_block (void); 5100extern void finish_try_block (tree); 5101extern void finish_handler_sequence (tree); 5102extern tree begin_function_try_block (tree *); 5103extern void finish_function_try_block (tree); 5104extern void finish_function_handler_sequence (tree, tree); 5105extern void finish_cleanup_try_block (tree); 5106extern tree begin_handler (void); 5107extern void finish_handler_parms (tree, tree); 5108extern void finish_handler (tree); 5109extern void finish_cleanup (tree, tree); 5110extern bool literal_type_p (tree); 5111extern tree validate_constexpr_fundecl (tree); 5112extern tree ensure_literal_type_for_constexpr_object (tree); 5113 5114enum { 5115 BCS_NO_SCOPE = 1, 5116 BCS_TRY_BLOCK = 2, 5117 BCS_FN_BODY = 4 5118}; 5119extern tree begin_compound_stmt (unsigned int); 5120 5121extern void finish_compound_stmt (tree); 5122extern tree finish_asm_stmt (int, tree, tree, tree, tree, 5123 tree); 5124extern tree finish_label_stmt (tree); 5125extern void finish_label_decl (tree); 5126extern tree finish_parenthesized_expr (tree); 5127extern tree finish_non_static_data_member (tree, tree, tree); 5128extern tree begin_stmt_expr (void); 5129extern tree finish_stmt_expr_expr (tree, tree); 5130extern tree finish_stmt_expr (tree, bool); 5131extern tree stmt_expr_value_expr (tree); 5132bool empty_expr_stmt_p (tree); 5133extern tree perform_koenig_lookup (tree, VEC(tree,gc) *); 5134extern tree finish_call_expr (tree, VEC(tree,gc) **, bool, 5135 bool, tsubst_flags_t); 5136extern tree finish_increment_expr (tree, enum tree_code); 5137extern tree finish_this_expr (void); 5138extern tree finish_pseudo_destructor_expr (tree, tree, tree); 5139extern tree finish_unary_op_expr (enum tree_code, tree); 5140extern tree finish_compound_literal (tree, tree); 5141extern tree finish_fname (tree); 5142extern void finish_translation_unit (void); 5143extern tree finish_template_type_parm (tree, tree); 5144extern tree finish_template_template_parm (tree, tree); 5145extern tree begin_class_definition (tree, tree); 5146extern void finish_template_decl (tree); 5147extern tree finish_template_type (tree, tree, int); 5148extern tree finish_base_specifier (tree, tree, bool); 5149extern void finish_member_declaration (tree); 5150extern void qualified_name_lookup_error (tree, tree, tree, 5151 location_t); 5152extern tree finish_id_expression (tree, tree, tree, 5153 cp_id_kind *, 5154 bool, bool, bool *, 5155 bool, bool, bool, bool, 5156 const char **, 5157 location_t); 5158extern tree finish_typeof (tree); 5159extern tree finish_offsetof (tree); 5160extern void finish_decl_cleanup (tree, tree); 5161extern void finish_eh_cleanup (tree); 5162extern void emit_associated_thunks (tree); 5163extern void finish_mem_initializers (tree); 5164extern tree check_template_template_default_arg (tree); 5165extern bool expand_or_defer_fn_1 (tree); 5166extern void expand_or_defer_fn (tree); 5167extern void add_typedef_to_current_template_for_access_check (tree, tree, 5168 location_t); 5169extern void check_accessibility_of_qualified_id (tree, tree, tree); 5170extern tree finish_qualified_id_expr (tree, tree, bool, bool, 5171 bool, bool); 5172extern void simplify_aggr_init_expr (tree *); 5173extern void finalize_nrv (tree *, tree, tree); 5174extern void note_decl_for_pch (tree); 5175extern tree finish_omp_clauses (tree); 5176extern void finish_omp_threadprivate (tree); 5177extern tree begin_omp_structured_block (void); 5178extern tree finish_omp_structured_block (tree); 5179extern tree begin_omp_parallel (void); 5180extern tree finish_omp_parallel (tree, tree); 5181extern tree begin_omp_task (void); 5182extern tree finish_omp_task (tree, tree); 5183extern tree finish_omp_for (location_t, tree, tree, 5184 tree, tree, tree, tree, tree); 5185extern void finish_omp_atomic (enum tree_code, tree, tree); 5186extern void finish_omp_barrier (void); 5187extern void finish_omp_flush (void); 5188extern void finish_omp_taskwait (void); 5189extern bool cxx_omp_create_clause_info (tree, tree, bool, bool, bool); 5190extern tree baselink_for_fns (tree); 5191extern void finish_static_assert (tree, tree, location_t, 5192 bool); 5193extern tree describable_type (tree); 5194extern tree finish_decltype_type (tree, bool); 5195extern tree finish_trait_expr (enum cp_trait_kind, tree, tree); 5196extern tree build_lambda_expr (void); 5197extern tree build_lambda_object (tree); 5198extern tree begin_lambda_type (tree); 5199extern tree lambda_capture_field_type (tree); 5200extern tree lambda_return_type (tree); 5201extern tree lambda_function (tree); 5202extern void apply_lambda_return_type (tree, tree); 5203extern tree add_capture (tree, tree, tree, bool, bool); 5204extern tree add_default_capture (tree, tree, tree); 5205extern void register_capture_members (tree); 5206extern tree lambda_expr_this_capture (tree); 5207extern tree nonlambda_method_basetype (void); 5208extern void maybe_add_lambda_conv_op (tree); 5209 5210/* in tree.c */ 5211void cp_free_lang_data (tree t); 5212extern tree force_target_expr (tree, tree); 5213extern tree build_target_expr_with_type (tree, tree); 5214extern void lang_check_failed (const char *, int, 5215 const char *) ATTRIBUTE_NORETURN; 5216extern tree stabilize_expr (tree, tree *); 5217extern void stabilize_call (tree, tree *); 5218extern void stabilize_aggr_init (tree, tree *); 5219extern bool stabilize_init (tree, tree *); 5220extern tree add_stmt_to_compound (tree, tree); 5221extern void init_tree (void); 5222extern bool pod_type_p (const_tree); 5223extern bool layout_pod_type_p (const_tree); 5224extern bool std_layout_type_p (const_tree); 5225extern bool trivial_type_p (const_tree); 5226extern bool type_has_nontrivial_default_init (const_tree); 5227extern bool type_has_nontrivial_copy_init (const_tree); 5228extern bool class_tmpl_impl_spec_p (const_tree); 5229extern int zero_init_p (const_tree); 5230extern tree strip_typedefs (tree); 5231extern bool typedef_variant_p (tree); 5232extern void cp_set_underlying_type (tree); 5233extern tree copy_binfo (tree, tree, tree, 5234 tree *, int); 5235extern int member_p (const_tree); 5236extern cp_lvalue_kind real_lvalue_p (tree); 5237extern bool lvalue_or_rvalue_with_address_p (const_tree); 5238extern bool builtin_valid_in_constant_expr_p (const_tree); 5239extern tree build_min (enum tree_code, tree, ...); 5240extern tree build_min_nt (enum tree_code, ...); 5241extern tree build_min_non_dep (enum tree_code, tree, ...); 5242extern tree build_min_non_dep_call_vec (tree, tree, VEC(tree,gc) *); 5243extern tree build_cplus_new (tree, tree); 5244extern tree build_aggr_init_expr (tree, tree); 5245extern tree get_target_expr (tree); 5246extern tree build_cplus_array_type (tree, tree); 5247extern tree build_array_of_n_type (tree, int); 5248extern tree build_array_copy (tree); 5249extern tree hash_tree_cons (tree, tree, tree); 5250extern tree hash_tree_chain (tree, tree); 5251extern tree build_qualified_name (tree, tree, tree, bool); 5252extern int is_overloaded_fn (tree); 5253extern tree get_first_fn (tree); 5254extern tree ovl_cons (tree, tree); 5255extern tree build_overload (tree, tree); 5256extern const char *cxx_printable_name (tree, int); 5257extern const char *cxx_printable_name_translate (tree, int); 5258extern tree build_exception_variant (tree, tree); 5259extern tree bind_template_template_parm (tree, tree); 5260extern tree array_type_nelts_total (tree); 5261extern tree array_type_nelts_top (tree); 5262extern tree break_out_target_exprs (tree); 5263extern tree get_type_decl (tree); 5264extern tree decl_namespace_context (tree); 5265extern bool decl_anon_ns_mem_p (const_tree); 5266extern tree lvalue_type (tree); 5267extern tree error_type (tree); 5268extern int varargs_function_p (const_tree); 5269extern bool really_overloaded_fn (tree); 5270extern bool cp_tree_equal (tree, tree); 5271extern tree no_linkage_check (tree, bool); 5272extern void debug_binfo (tree); 5273extern tree build_dummy_object (tree); 5274extern tree maybe_dummy_object (tree, tree *); 5275extern int is_dummy_object (const_tree); 5276extern const struct attribute_spec cxx_attribute_table[]; 5277extern tree make_ptrmem_cst (tree, tree); 5278extern tree cp_build_type_attribute_variant (tree, tree); 5279extern tree cp_build_reference_type (tree, bool); 5280extern tree move (tree); 5281extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t); 5282#define cp_build_qualified_type(TYPE, QUALS) \ 5283 cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error) 5284extern bool cv_qualified_p (const_tree); 5285extern tree cv_unqualified (tree); 5286extern special_function_kind special_function_p (const_tree); 5287extern int count_trees (tree); 5288extern int char_type_p (tree); 5289extern void verify_stmt_tree (tree); 5290extern linkage_kind decl_linkage (tree); 5291extern tree cp_walk_subtrees (tree*, int*, walk_tree_fn, 5292 void*, struct pointer_set_t*); 5293#define cp_walk_tree(a,b,c,d) \ 5294 walk_tree_1 (a, b, c, d, cp_walk_subtrees) 5295#define cp_walk_tree_without_duplicates(a,b,c) \ 5296 walk_tree_without_duplicates_1 (a, b, c, cp_walk_subtrees) 5297extern tree fold_if_not_in_template (tree); 5298extern tree rvalue (tree); 5299extern tree convert_bitfield_to_declared_type (tree); 5300extern tree cp_save_expr (tree); 5301extern bool cast_valid_in_integral_constant_expression_p (tree); 5302extern bool cxx_type_hash_eq (const_tree, const_tree); 5303 5304extern void cxx_print_statistics (void); 5305 5306/* in ptree.c */ 5307extern void cxx_print_xnode (FILE *, tree, int); 5308extern void cxx_print_decl (FILE *, tree, int); 5309extern void cxx_print_type (FILE *, tree, int); 5310extern void cxx_print_identifier (FILE *, tree, int); 5311extern void cxx_print_error_function (struct diagnostic_context *, 5312 const char *, 5313 struct diagnostic_info *); 5314 5315/* in typeck.c */ 5316extern bool cxx_mark_addressable (tree); 5317extern int string_conv_p (const_tree, const_tree, int); 5318extern tree cp_truthvalue_conversion (tree); 5319extern tree condition_conversion (tree); 5320extern tree require_complete_type (tree); 5321extern tree complete_type (tree); 5322extern tree complete_type_or_else (tree, tree); 5323extern int type_unknown_p (const_tree); 5324extern bool comp_except_specs (const_tree, const_tree, bool); 5325extern bool comptypes (tree, tree, int); 5326extern bool compparms (const_tree, const_tree); 5327extern int comp_cv_qualification (const_tree, const_tree); 5328extern int comp_cv_qual_signature (tree, tree); 5329extern tree cxx_sizeof_or_alignof_expr (tree, enum tree_code, bool); 5330extern tree cxx_sizeof_or_alignof_type (tree, enum tree_code, bool); 5331extern tree cxx_sizeof_nowarn (tree); 5332extern tree is_bitfield_expr_with_lowered_type (const_tree); 5333extern tree unlowered_expr_type (const_tree); 5334extern tree decay_conversion (tree); 5335extern tree build_class_member_access_expr (tree, tree, tree, bool, 5336 tsubst_flags_t); 5337extern tree finish_class_member_access_expr (tree, tree, bool, 5338 tsubst_flags_t); 5339extern tree build_x_indirect_ref (tree, ref_operator, 5340 tsubst_flags_t); 5341extern tree cp_build_indirect_ref (tree, ref_operator, 5342 tsubst_flags_t); 5343extern tree build_array_ref (location_t, tree, tree); 5344extern tree get_member_function_from_ptrfunc (tree *, tree); 5345extern tree cp_build_function_call (tree, tree, tsubst_flags_t); 5346extern tree cp_build_function_call_vec (tree, VEC(tree,gc) **, 5347 tsubst_flags_t); 5348extern tree build_x_binary_op (enum tree_code, tree, 5349 enum tree_code, tree, 5350 enum tree_code, bool *, 5351 tsubst_flags_t); 5352extern tree build_x_array_ref (tree, tree, tsubst_flags_t); 5353extern tree build_x_unary_op (enum tree_code, tree, 5354 tsubst_flags_t); 5355extern tree cp_build_unary_op (enum tree_code, tree, int, 5356 tsubst_flags_t); 5357extern tree unary_complex_lvalue (enum tree_code, tree); 5358extern tree build_x_conditional_expr (tree, tree, tree, 5359 tsubst_flags_t); 5360extern tree build_x_compound_expr_from_list (tree, const char *); 5361extern tree build_x_compound_expr_from_vec (VEC(tree,gc) *, const char *); 5362extern tree build_x_compound_expr (tree, tree, tsubst_flags_t); 5363extern tree build_compound_expr (location_t, tree, tree); 5364extern tree cp_build_compound_expr (tree, tree, tsubst_flags_t); 5365extern tree build_static_cast (tree, tree, tsubst_flags_t); 5366extern tree build_reinterpret_cast (tree, tree, tsubst_flags_t); 5367extern tree build_const_cast (tree, tree, tsubst_flags_t); 5368extern tree build_c_cast (location_t, tree, tree); 5369extern tree cp_build_c_cast (tree, tree, tsubst_flags_t); 5370extern tree build_x_modify_expr (tree, enum tree_code, tree, 5371 tsubst_flags_t); 5372extern tree cp_build_modify_expr (tree, enum tree_code, tree, 5373 tsubst_flags_t); 5374extern tree convert_for_initialization (tree, tree, tree, int, 5375 const char *, tree, int, 5376 tsubst_flags_t); 5377extern int comp_ptr_ttypes (tree, tree); 5378extern bool comp_ptr_ttypes_const (tree, tree); 5379extern bool error_type_p (const_tree); 5380extern int ptr_reasonably_similar (const_tree, const_tree); 5381extern tree build_ptrmemfunc (tree, tree, int, bool); 5382extern int cp_type_quals (const_tree); 5383extern bool cp_type_readonly (const_tree); 5384extern bool cp_has_mutable_p (const_tree); 5385extern bool at_least_as_qualified_p (const_tree, const_tree); 5386extern void cp_apply_type_quals_to_decl (int, tree); 5387extern tree build_ptrmemfunc1 (tree, tree, tree); 5388extern void expand_ptrmemfunc_cst (tree, tree *, tree *); 5389extern tree type_after_usual_arithmetic_conversions (tree, tree); 5390extern tree common_pointer_type (tree, tree); 5391extern tree composite_pointer_type (tree, tree, tree, tree, 5392 composite_pointer_operation, 5393 tsubst_flags_t); 5394extern tree merge_types (tree, tree); 5395extern tree check_return_expr (tree, bool *); 5396extern tree cp_build_binary_op (location_t, 5397 enum tree_code, tree, tree, 5398 tsubst_flags_t); 5399#define cxx_sizeof(T) cxx_sizeof_or_alignof_type (T, SIZEOF_EXPR, true) 5400extern tree build_ptrmemfunc_access_expr (tree, tree); 5401extern tree build_address (tree); 5402extern tree build_typed_address (tree, tree); 5403extern tree build_nop (tree, tree); 5404extern tree non_reference (tree); 5405extern tree lookup_anon_field (tree, tree); 5406extern bool invalid_nonstatic_memfn_p (const_tree, tsubst_flags_t); 5407extern tree convert_member_func_to_ptr (tree, tree); 5408extern tree convert_ptrmem (tree, tree, bool, bool); 5409extern int lvalue_or_else (tree, enum lvalue_use, 5410 tsubst_flags_t); 5411extern void check_template_keyword (tree); 5412 5413/* in typeck2.c */ 5414extern void require_complete_eh_spec_types (tree, tree); 5415extern void cxx_incomplete_type_diagnostic (const_tree, const_tree, diagnostic_t); 5416#undef cxx_incomplete_type_error 5417extern void cxx_incomplete_type_error (const_tree, const_tree); 5418#define cxx_incomplete_type_error(V,T) \ 5419 (cxx_incomplete_type_diagnostic ((V), (T), DK_ERROR)) 5420extern tree error_not_base_type (tree, tree); 5421extern tree binfo_or_else (tree, tree); 5422extern void readonly_error (tree, readonly_error_kind); 5423extern void complete_type_check_abstract (tree); 5424extern int abstract_virtuals_error (tree, tree); 5425 5426extern tree store_init_value (tree, tree, int); 5427extern void check_narrowing (tree, tree); 5428extern tree digest_init (tree, tree); 5429extern tree digest_init_flags (tree, tree, int); 5430extern tree build_scoped_ref (tree, tree, tree *); 5431extern tree build_x_arrow (tree); 5432extern tree build_m_component_ref (tree, tree); 5433extern tree build_functional_cast (tree, tree, tsubst_flags_t); 5434extern tree add_exception_specifier (tree, tree, int); 5435extern tree merge_exception_specifiers (tree, tree); 5436 5437/* in mangle.c */ 5438extern void init_mangle (void); 5439extern void mangle_decl (tree); 5440extern const char *mangle_type_string (tree); 5441extern tree mangle_typeinfo_for_type (tree); 5442extern tree mangle_typeinfo_string_for_type (tree); 5443extern tree mangle_vtbl_for_type (tree); 5444extern tree mangle_vtt_for_type (tree); 5445extern tree mangle_ctor_vtbl_for_type (tree, tree); 5446extern tree mangle_thunk (tree, int, tree, tree); 5447extern tree mangle_conv_op_name_for_type (tree); 5448extern tree mangle_guard_variable (tree); 5449extern tree mangle_ref_init_variable (tree); 5450 5451/* in dump.c */ 5452extern bool cp_dump_tree (void *, tree); 5453 5454/* In cp/cp-objcp-common.c. */ 5455 5456extern alias_set_type cxx_get_alias_set (tree); 5457extern bool cxx_warn_unused_global_decl (const_tree); 5458extern size_t cp_tree_size (enum tree_code); 5459extern bool cp_var_mod_type_p (tree, tree); 5460extern void cxx_initialize_diagnostics (struct diagnostic_context *); 5461extern int cxx_types_compatible_p (tree, tree); 5462extern void init_shadowed_var_for_decl (void); 5463 5464/* in cp-gimplify.c */ 5465extern int cp_gimplify_expr (tree *, gimple_seq *, 5466 gimple_seq *); 5467extern void cp_genericize (tree); 5468extern enum omp_clause_default_kind cxx_omp_predetermined_sharing (tree); 5469extern tree cxx_omp_clause_default_ctor (tree, tree, tree); 5470extern tree cxx_omp_clause_copy_ctor (tree, tree, tree); 5471extern tree cxx_omp_clause_assign_op (tree, tree, tree); 5472extern tree cxx_omp_clause_dtor (tree, tree); 5473extern void cxx_omp_finish_clause (tree); 5474extern bool cxx_omp_privatize_by_reference (const_tree); 5475 5476/* -- end of C++ */ 5477 5478#endif /* ! GCC_CP_TREE_H */ 5479