1 //===- ASTBitCodes.h - Enum values for the PCH bitcode format ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This header defines Bitcode enum values for Clang serialized AST files. 11 // 12 // The enum values defined in this file should be considered permanent. If 13 // new features are added, they should have values added at the end of the 14 // respective lists. 15 // 16 //===----------------------------------------------------------------------===// 17 #ifndef LLVM_CLANG_SERIALIZATION_ASTBITCODES_H 18 #define LLVM_CLANG_SERIALIZATION_ASTBITCODES_H 19 20 #include "clang/AST/DeclarationName.h" 21 #include "clang/AST/Type.h" 22 #include "llvm/ADT/DenseMap.h" 23 #include "llvm/Bitcode/BitCodes.h" 24 #include "llvm/Support/DataTypes.h" 25 26 namespace clang { 27 namespace serialization { 28 /// \brief AST file major version number supported by this version of 29 /// Clang. 30 /// 31 /// Whenever the AST file format changes in a way that makes it 32 /// incompatible with previous versions (such that a reader 33 /// designed for the previous version could not support reading 34 /// the new version), this number should be increased. 35 /// 36 /// Version 4 of AST files also requires that the version control branch and 37 /// revision match exactly, since there is no backward compatibility of 38 /// AST files at this time. 39 const unsigned VERSION_MAJOR = 6; 40 41 /// \brief AST file minor version number supported by this version of 42 /// Clang. 43 /// 44 /// Whenever the AST format changes in a way that is still 45 /// compatible with previous versions (such that a reader designed 46 /// for the previous version could still support reading the new 47 /// version by ignoring new kinds of subblocks), this number 48 /// should be increased. 49 const unsigned VERSION_MINOR = 0; 50 51 /// \brief An ID number that refers to an identifier in an AST file. 52 /// 53 /// The ID numbers of identifiers are consecutive (in order of discovery) 54 /// and start at 1. 0 is reserved for NULL. 55 typedef uint32_t IdentifierID; 56 57 /// \brief An ID number that refers to a declaration in an AST file. 58 /// 59 /// The ID numbers of declarations are consecutive (in order of 60 /// discovery), with values below NUM_PREDEF_DECL_IDS being reserved. 61 /// At the start of a chain of precompiled headers, declaration ID 1 is 62 /// used for the translation unit declaration. 63 typedef uint32_t DeclID; 64 65 // FIXME: Turn these into classes so we can have some type safety when 66 // we go from local ID to global and vice-versa. 67 typedef DeclID LocalDeclID; 68 typedef DeclID GlobalDeclID; 69 70 /// \brief An ID number that refers to a type in an AST file. 71 /// 72 /// The ID of a type is partitioned into two parts: the lower 73 /// three bits are used to store the const/volatile/restrict 74 /// qualifiers (as with QualType) and the upper bits provide a 75 /// type index. The type index values are partitioned into two 76 /// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type 77 /// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a 78 /// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are 79 /// other types that have serialized representations. 80 typedef uint32_t TypeID; 81 82 /// \brief A type index; the type ID with the qualifier bits removed. 83 class TypeIdx { 84 uint32_t Idx; 85 public: TypeIdx()86 TypeIdx() : Idx(0) { } TypeIdx(uint32_t index)87 explicit TypeIdx(uint32_t index) : Idx(index) { } 88 getIndex()89 uint32_t getIndex() const { return Idx; } asTypeID(unsigned FastQuals)90 TypeID asTypeID(unsigned FastQuals) const { 91 if (Idx == uint32_t(-1)) 92 return TypeID(-1); 93 94 return (Idx << Qualifiers::FastWidth) | FastQuals; 95 } fromTypeID(TypeID ID)96 static TypeIdx fromTypeID(TypeID ID) { 97 if (ID == TypeID(-1)) 98 return TypeIdx(-1); 99 100 return TypeIdx(ID >> Qualifiers::FastWidth); 101 } 102 }; 103 104 /// A structure for putting "fast"-unqualified QualTypes into a 105 /// DenseMap. This uses the standard pointer hash function. 106 struct UnsafeQualTypeDenseMapInfo { isEqualUnsafeQualTypeDenseMapInfo107 static inline bool isEqual(QualType A, QualType B) { return A == B; } getEmptyKeyUnsafeQualTypeDenseMapInfo108 static inline QualType getEmptyKey() { 109 return QualType::getFromOpaquePtr((void*) 1); 110 } getTombstoneKeyUnsafeQualTypeDenseMapInfo111 static inline QualType getTombstoneKey() { 112 return QualType::getFromOpaquePtr((void*) 2); 113 } getHashValueUnsafeQualTypeDenseMapInfo114 static inline unsigned getHashValue(QualType T) { 115 assert(!T.getLocalFastQualifiers() && 116 "hash invalid for types with fast quals"); 117 uintptr_t v = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr()); 118 return (unsigned(v) >> 4) ^ (unsigned(v) >> 9); 119 } 120 }; 121 122 /// \brief An ID number that refers to an identifier in an AST file. 123 typedef uint32_t IdentID; 124 125 /// \brief The number of predefined identifier IDs. 126 const unsigned int NUM_PREDEF_IDENT_IDS = 1; 127 128 /// \brief An ID number that refers to a macro in an AST file. 129 typedef uint32_t MacroID; 130 131 /// \brief A global ID number that refers to a macro in an AST file. 132 typedef uint32_t GlobalMacroID; 133 134 /// \brief A local to a module ID number that refers to a macro in an 135 /// AST file. 136 typedef uint32_t LocalMacroID; 137 138 /// \brief The number of predefined macro IDs. 139 const unsigned int NUM_PREDEF_MACRO_IDS = 1; 140 141 /// \brief An ID number that refers to an ObjC selector in an AST file. 142 typedef uint32_t SelectorID; 143 144 /// \brief The number of predefined selector IDs. 145 const unsigned int NUM_PREDEF_SELECTOR_IDS = 1; 146 147 /// \brief An ID number that refers to a set of CXXBaseSpecifiers in an 148 /// AST file. 149 typedef uint32_t CXXBaseSpecifiersID; 150 151 /// \brief An ID number that refers to a list of CXXCtorInitializers in an 152 /// AST file. 153 typedef uint32_t CXXCtorInitializersID; 154 155 /// \brief An ID number that refers to an entity in the detailed 156 /// preprocessing record. 157 typedef uint32_t PreprocessedEntityID; 158 159 /// \brief An ID number that refers to a submodule in a module file. 160 typedef uint32_t SubmoduleID; 161 162 /// \brief The number of predefined submodule IDs. 163 const unsigned int NUM_PREDEF_SUBMODULE_IDS = 1; 164 165 /// \brief Source range/offset of a preprocessed entity. 166 struct PPEntityOffset { 167 /// \brief Raw source location of beginning of range. 168 unsigned Begin; 169 /// \brief Raw source location of end of range. 170 unsigned End; 171 /// \brief Offset in the AST file. 172 uint32_t BitOffset; 173 PPEntityOffsetPPEntityOffset174 PPEntityOffset(SourceRange R, uint32_t BitOffset) 175 : Begin(R.getBegin().getRawEncoding()), 176 End(R.getEnd().getRawEncoding()), 177 BitOffset(BitOffset) { } getBeginPPEntityOffset178 SourceLocation getBegin() const { 179 return SourceLocation::getFromRawEncoding(Begin); 180 } getEndPPEntityOffset181 SourceLocation getEnd() const { 182 return SourceLocation::getFromRawEncoding(End); 183 } 184 }; 185 186 /// \brief Source range/offset of a preprocessed entity. 187 struct DeclOffset { 188 /// \brief Raw source location. 189 unsigned Loc; 190 /// \brief Offset in the AST file. 191 uint32_t BitOffset; 192 DeclOffsetDeclOffset193 DeclOffset() : Loc(0), BitOffset(0) { } DeclOffsetDeclOffset194 DeclOffset(SourceLocation Loc, uint32_t BitOffset) 195 : Loc(Loc.getRawEncoding()), 196 BitOffset(BitOffset) { } setLocationDeclOffset197 void setLocation(SourceLocation L) { 198 Loc = L.getRawEncoding(); 199 } getLocationDeclOffset200 SourceLocation getLocation() const { 201 return SourceLocation::getFromRawEncoding(Loc); 202 } 203 }; 204 205 /// \brief The number of predefined preprocessed entity IDs. 206 const unsigned int NUM_PREDEF_PP_ENTITY_IDS = 1; 207 208 /// \brief Describes the various kinds of blocks that occur within 209 /// an AST file. 210 enum BlockIDs { 211 /// \brief The AST block, which acts as a container around the 212 /// full AST block. 213 AST_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID, 214 215 /// \brief The block containing information about the source 216 /// manager. 217 SOURCE_MANAGER_BLOCK_ID, 218 219 /// \brief The block containing information about the 220 /// preprocessor. 221 PREPROCESSOR_BLOCK_ID, 222 223 /// \brief The block containing the definitions of all of the 224 /// types and decls used within the AST file. 225 DECLTYPES_BLOCK_ID, 226 227 /// \brief The block containing the detailed preprocessing record. 228 PREPROCESSOR_DETAIL_BLOCK_ID, 229 230 /// \brief The block containing the submodule structure. 231 SUBMODULE_BLOCK_ID, 232 233 /// \brief The block containing comments. 234 COMMENTS_BLOCK_ID, 235 236 /// \brief The control block, which contains all of the 237 /// information that needs to be validated prior to committing 238 /// to loading the AST file. 239 CONTROL_BLOCK_ID, 240 241 /// \brief The block of input files, which were used as inputs 242 /// to create this AST file. 243 /// 244 /// This block is part of the control block. 245 INPUT_FILES_BLOCK_ID, 246 247 /// \brief The block of configuration options, used to check that 248 /// a module is being used in a configuration compatible with the 249 /// configuration in which it was built. 250 /// 251 /// This block is part of the control block. 252 OPTIONS_BLOCK_ID, 253 254 /// \brief A block containing a module file extension. 255 EXTENSION_BLOCK_ID, 256 }; 257 258 /// \brief Record types that occur within the control block. 259 enum ControlRecordTypes { 260 /// \brief AST file metadata, including the AST file version number 261 /// and information about the compiler used to build this AST file. 262 METADATA = 1, 263 264 /// \brief Record code for the list of other AST files imported by 265 /// this AST file. 266 IMPORTS, 267 268 /// \brief Record code for the original file that was used to 269 /// generate the AST file, including both its file ID and its 270 /// name. 271 ORIGINAL_FILE, 272 273 /// \brief The directory that the PCH was originally created in. 274 ORIGINAL_PCH_DIR, 275 276 /// \brief Record code for file ID of the file or buffer that was used to 277 /// generate the AST file. 278 ORIGINAL_FILE_ID, 279 280 /// \brief Offsets into the input-files block where input files 281 /// reside. 282 INPUT_FILE_OFFSETS, 283 284 /// \brief Record code for the module name. 285 MODULE_NAME, 286 287 /// \brief Record code for the module map file that was used to build this 288 /// AST file. 289 MODULE_MAP_FILE, 290 291 /// \brief Record code for the signature that identifiers this AST file. 292 SIGNATURE, 293 294 /// \brief Record code for the module build directory. 295 MODULE_DIRECTORY, 296 }; 297 298 /// \brief Record types that occur within the options block inside 299 /// the control block. 300 enum OptionsRecordTypes { 301 /// \brief Record code for the language options table. 302 /// 303 /// The record with this code contains the contents of the 304 /// LangOptions structure. We serialize the entire contents of 305 /// the structure, and let the reader decide which options are 306 /// actually important to check. 307 LANGUAGE_OPTIONS = 1, 308 309 /// \brief Record code for the target options table. 310 TARGET_OPTIONS, 311 312 /// \brief Record code for the diagnostic options table. 313 DIAGNOSTIC_OPTIONS, 314 315 /// \brief Record code for the filesystem options table. 316 FILE_SYSTEM_OPTIONS, 317 318 /// \brief Record code for the headers search options table. 319 HEADER_SEARCH_OPTIONS, 320 321 /// \brief Record code for the preprocessor options table. 322 PREPROCESSOR_OPTIONS, 323 }; 324 325 /// \brief Record code for extension blocks. 326 enum ExtensionBlockRecordTypes { 327 /// Metadata describing this particular extension. 328 EXTENSION_METADATA = 1, 329 330 /// The first record ID allocated to the extensions themselves. 331 FIRST_EXTENSION_RECORD_ID = 4 332 }; 333 334 /// \brief Record types that occur within the input-files block 335 /// inside the control block. 336 enum InputFileRecordTypes { 337 /// \brief An input file. 338 INPUT_FILE = 1 339 }; 340 341 /// \brief Record types that occur within the AST block itself. 342 enum ASTRecordTypes { 343 /// \brief Record code for the offsets of each type. 344 /// 345 /// The TYPE_OFFSET constant describes the record that occurs 346 /// within the AST block. The record itself is an array of offsets that 347 /// point into the declarations and types block (identified by 348 /// DECLTYPES_BLOCK_ID). The index into the array is based on the ID 349 /// of a type. For a given type ID @c T, the lower three bits of 350 /// @c T are its qualifiers (const, volatile, restrict), as in 351 /// the QualType class. The upper bits, after being shifted and 352 /// subtracting NUM_PREDEF_TYPE_IDS, are used to index into the 353 /// TYPE_OFFSET block to determine the offset of that type's 354 /// corresponding record within the DECLTYPES_BLOCK_ID block. 355 TYPE_OFFSET = 1, 356 357 /// \brief Record code for the offsets of each decl. 358 /// 359 /// The DECL_OFFSET constant describes the record that occurs 360 /// within the block identified by DECL_OFFSETS_BLOCK_ID within 361 /// the AST block. The record itself is an array of offsets that 362 /// point into the declarations and types block (identified by 363 /// DECLTYPES_BLOCK_ID). The declaration ID is an index into this 364 /// record, after subtracting one to account for the use of 365 /// declaration ID 0 for a NULL declaration pointer. Index 0 is 366 /// reserved for the translation unit declaration. 367 DECL_OFFSET = 2, 368 369 /// \brief Record code for the table of offsets of each 370 /// identifier ID. 371 /// 372 /// The offset table contains offsets into the blob stored in 373 /// the IDENTIFIER_TABLE record. Each offset points to the 374 /// NULL-terminated string that corresponds to that identifier. 375 IDENTIFIER_OFFSET = 3, 376 377 /// \brief This is so that older clang versions, before the introduction 378 /// of the control block, can read and reject the newer PCH format. 379 /// *DON'T CHANGE THIS NUMBER*. 380 METADATA_OLD_FORMAT = 4, 381 382 /// \brief Record code for the identifier table. 383 /// 384 /// The identifier table is a simple blob that contains 385 /// NULL-terminated strings for all of the identifiers 386 /// referenced by the AST file. The IDENTIFIER_OFFSET table 387 /// contains the mapping from identifier IDs to the characters 388 /// in this blob. Note that the starting offsets of all of the 389 /// identifiers are odd, so that, when the identifier offset 390 /// table is loaded in, we can use the low bit to distinguish 391 /// between offsets (for unresolved identifier IDs) and 392 /// IdentifierInfo pointers (for already-resolved identifier 393 /// IDs). 394 IDENTIFIER_TABLE = 5, 395 396 /// \brief Record code for the array of eagerly deserialized decls. 397 /// 398 /// The AST file contains a list of all of the declarations that should be 399 /// eagerly deserialized present within the parsed headers, stored as an 400 /// array of declaration IDs. These declarations will be 401 /// reported to the AST consumer after the AST file has been 402 /// read, since their presence can affect the semantics of the 403 /// program (e.g., for code generation). 404 EAGERLY_DESERIALIZED_DECLS = 6, 405 406 /// \brief Record code for the set of non-builtin, special 407 /// types. 408 /// 409 /// This record contains the type IDs for the various type nodes 410 /// that are constructed during semantic analysis (e.g., 411 /// __builtin_va_list). The SPECIAL_TYPE_* constants provide 412 /// offsets into this record. 413 SPECIAL_TYPES = 7, 414 415 /// \brief Record code for the extra statistics we gather while 416 /// generating an AST file. 417 STATISTICS = 8, 418 419 /// \brief Record code for the array of tentative definitions. 420 TENTATIVE_DEFINITIONS = 9, 421 422 // ID 10 used to be for a list of extern "C" declarations. 423 424 /// \brief Record code for the table of offsets into the 425 /// Objective-C method pool. 426 SELECTOR_OFFSETS = 11, 427 428 /// \brief Record code for the Objective-C method pool, 429 METHOD_POOL = 12, 430 431 /// \brief The value of the next __COUNTER__ to dispense. 432 /// [PP_COUNTER_VALUE, Val] 433 PP_COUNTER_VALUE = 13, 434 435 /// \brief Record code for the table of offsets into the block 436 /// of source-location information. 437 SOURCE_LOCATION_OFFSETS = 14, 438 439 /// \brief Record code for the set of source location entries 440 /// that need to be preloaded by the AST reader. 441 /// 442 /// This set contains the source location entry for the 443 /// predefines buffer and for any file entries that need to be 444 /// preloaded. 445 SOURCE_LOCATION_PRELOADS = 15, 446 447 /// \brief Record code for the set of ext_vector type names. 448 EXT_VECTOR_DECLS = 16, 449 450 /// \brief Record code for the array of unused file scoped decls. 451 UNUSED_FILESCOPED_DECLS = 17, 452 453 /// \brief Record code for the table of offsets to entries in the 454 /// preprocessing record. 455 PPD_ENTITIES_OFFSETS = 18, 456 457 /// \brief Record code for the array of VTable uses. 458 VTABLE_USES = 19, 459 460 // ID 20 used to be for a list of dynamic classes. 461 462 /// \brief Record code for referenced selector pool. 463 REFERENCED_SELECTOR_POOL = 21, 464 465 /// \brief Record code for an update to the TU's lexically contained 466 /// declarations. 467 TU_UPDATE_LEXICAL = 22, 468 469 // ID 23 used to be for a list of local redeclarations. 470 471 /// \brief Record code for declarations that Sema keeps references of. 472 SEMA_DECL_REFS = 24, 473 474 /// \brief Record code for weak undeclared identifiers. 475 WEAK_UNDECLARED_IDENTIFIERS = 25, 476 477 /// \brief Record code for pending implicit instantiations. 478 PENDING_IMPLICIT_INSTANTIATIONS = 26, 479 480 // ID 27 used to be for a list of replacement decls. 481 482 /// \brief Record code for an update to a decl context's lookup table. 483 /// 484 /// In practice, this should only be used for the TU and namespaces. 485 UPDATE_VISIBLE = 28, 486 487 /// \brief Record for offsets of DECL_UPDATES records for declarations 488 /// that were modified after being deserialized and need updates. 489 DECL_UPDATE_OFFSETS = 29, 490 491 // ID 30 used to be a decl update record. These are now in the DECLTYPES 492 // block. 493 494 // ID 31 used to be a list of offsets to DECL_CXX_BASE_SPECIFIERS records. 495 496 /// \brief Record code for \#pragma diagnostic mappings. 497 DIAG_PRAGMA_MAPPINGS = 32, 498 499 /// \brief Record code for special CUDA declarations. 500 CUDA_SPECIAL_DECL_REFS = 33, 501 502 /// \brief Record code for header search information. 503 HEADER_SEARCH_TABLE = 34, 504 505 /// \brief Record code for floating point \#pragma options. 506 FP_PRAGMA_OPTIONS = 35, 507 508 /// \brief Record code for enabled OpenCL extensions. 509 OPENCL_EXTENSIONS = 36, 510 511 /// \brief The list of delegating constructor declarations. 512 DELEGATING_CTORS = 37, 513 514 /// \brief Record code for the set of known namespaces, which are used 515 /// for typo correction. 516 KNOWN_NAMESPACES = 38, 517 518 /// \brief Record code for the remapping information used to relate 519 /// loaded modules to the various offsets and IDs(e.g., source location 520 /// offests, declaration and type IDs) that are used in that module to 521 /// refer to other modules. 522 MODULE_OFFSET_MAP = 39, 523 524 /// \brief Record code for the source manager line table information, 525 /// which stores information about \#line directives. 526 SOURCE_MANAGER_LINE_TABLE = 40, 527 528 /// \brief Record code for map of Objective-C class definition IDs to the 529 /// ObjC categories in a module that are attached to that class. 530 OBJC_CATEGORIES_MAP = 41, 531 532 /// \brief Record code for a file sorted array of DeclIDs in a module. 533 FILE_SORTED_DECLS = 42, 534 535 /// \brief Record code for an array of all of the (sub)modules that were 536 /// imported by the AST file. 537 IMPORTED_MODULES = 43, 538 539 // ID 44 used to be a table of merged canonical declarations. 540 // ID 45 used to be a list of declaration IDs of local redeclarations. 541 542 /// \brief Record code for the array of Objective-C categories (including 543 /// extensions). 544 /// 545 /// This array can only be interpreted properly using the Objective-C 546 /// categories map. 547 OBJC_CATEGORIES = 46, 548 549 /// \brief Record code for the table of offsets of each macro ID. 550 /// 551 /// The offset table contains offsets into the blob stored in 552 /// the preprocessor block. Each offset points to the corresponding 553 /// macro definition. 554 MACRO_OFFSET = 47, 555 556 /// \brief A list of "interesting" identifiers. Only used in C++ (where we 557 /// don't normally do lookups into the serialized identifier table). These 558 /// are eagerly deserialized. 559 INTERESTING_IDENTIFIERS = 48, 560 561 /// \brief Record code for undefined but used functions and variables that 562 /// need a definition in this TU. 563 UNDEFINED_BUT_USED = 49, 564 565 /// \brief Record code for late parsed template functions. 566 LATE_PARSED_TEMPLATE = 50, 567 568 /// \brief Record code for \#pragma optimize options. 569 OPTIMIZE_PRAGMA_OPTIONS = 51, 570 571 /// \brief Record code for potentially unused local typedef names. 572 UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES = 52, 573 574 // ID 53 used to be a table of constructor initializer records. 575 576 /// \brief Delete expressions that will be analyzed later. 577 DELETE_EXPRS_TO_ANALYZE = 54, 578 579 /// \brief Record code for \#pragma ms_struct options. 580 MSSTRUCT_PRAGMA_OPTIONS = 55, 581 582 /// \brief Record code for \#pragma ms_struct options. 583 POINTERS_TO_MEMBERS_PRAGMA_OPTIONS = 56 584 }; 585 586 /// \brief Record types used within a source manager block. 587 enum SourceManagerRecordTypes { 588 /// \brief Describes a source location entry (SLocEntry) for a 589 /// file. 590 SM_SLOC_FILE_ENTRY = 1, 591 /// \brief Describes a source location entry (SLocEntry) for a 592 /// buffer. 593 SM_SLOC_BUFFER_ENTRY = 2, 594 /// \brief Describes a blob that contains the data for a buffer 595 /// entry. This kind of record always directly follows a 596 /// SM_SLOC_BUFFER_ENTRY record or a SM_SLOC_FILE_ENTRY with an 597 /// overridden buffer. 598 SM_SLOC_BUFFER_BLOB = 3, 599 /// \brief Describes a zlib-compressed blob that contains the data for 600 /// a buffer entry. 601 SM_SLOC_BUFFER_BLOB_COMPRESSED = 4, 602 /// \brief Describes a source location entry (SLocEntry) for a 603 /// macro expansion. 604 SM_SLOC_EXPANSION_ENTRY = 5 605 }; 606 607 /// \brief Record types used within a preprocessor block. 608 enum PreprocessorRecordTypes { 609 // The macros in the PP section are a PP_MACRO_* instance followed by a 610 // list of PP_TOKEN instances for each token in the definition. 611 612 /// \brief An object-like macro definition. 613 /// [PP_MACRO_OBJECT_LIKE, IdentInfoID, SLoc, IsUsed] 614 PP_MACRO_OBJECT_LIKE = 1, 615 616 /// \brief A function-like macro definition. 617 /// [PP_MACRO_FUNCTION_LIKE, \<ObjectLikeStuff>, IsC99Varargs, 618 /// IsGNUVarars, NumArgs, ArgIdentInfoID* ] 619 PP_MACRO_FUNCTION_LIKE = 2, 620 621 /// \brief Describes one token. 622 /// [PP_TOKEN, SLoc, Length, IdentInfoID, Kind, Flags] 623 PP_TOKEN = 3, 624 625 /// \brief The macro directives history for a particular identifier. 626 PP_MACRO_DIRECTIVE_HISTORY = 4, 627 628 /// \brief A macro directive exported by a module. 629 /// [PP_MODULE_MACRO, SubmoduleID, MacroID, (Overridden SubmoduleID)*] 630 PP_MODULE_MACRO = 5, 631 }; 632 633 /// \brief Record types used within a preprocessor detail block. 634 enum PreprocessorDetailRecordTypes { 635 /// \brief Describes a macro expansion within the preprocessing record. 636 PPD_MACRO_EXPANSION = 0, 637 638 /// \brief Describes a macro definition within the preprocessing record. 639 PPD_MACRO_DEFINITION = 1, 640 641 /// \brief Describes an inclusion directive within the preprocessing 642 /// record. 643 PPD_INCLUSION_DIRECTIVE = 2 644 }; 645 646 /// \brief Record types used within a submodule description block. 647 enum SubmoduleRecordTypes { 648 /// \brief Metadata for submodules as a whole. 649 SUBMODULE_METADATA = 0, 650 /// \brief Defines the major attributes of a submodule, including its 651 /// name and parent. 652 SUBMODULE_DEFINITION = 1, 653 /// \brief Specifies the umbrella header used to create this module, 654 /// if any. 655 SUBMODULE_UMBRELLA_HEADER = 2, 656 /// \brief Specifies a header that falls into this (sub)module. 657 SUBMODULE_HEADER = 3, 658 /// \brief Specifies a top-level header that falls into this (sub)module. 659 SUBMODULE_TOPHEADER = 4, 660 /// \brief Specifies an umbrella directory. 661 SUBMODULE_UMBRELLA_DIR = 5, 662 /// \brief Specifies the submodules that are imported by this 663 /// submodule. 664 SUBMODULE_IMPORTS = 6, 665 /// \brief Specifies the submodules that are re-exported from this 666 /// submodule. 667 SUBMODULE_EXPORTS = 7, 668 /// \brief Specifies a required feature. 669 SUBMODULE_REQUIRES = 8, 670 /// \brief Specifies a header that has been explicitly excluded 671 /// from this submodule. 672 SUBMODULE_EXCLUDED_HEADER = 9, 673 /// \brief Specifies a library or framework to link against. 674 SUBMODULE_LINK_LIBRARY = 10, 675 /// \brief Specifies a configuration macro for this module. 676 SUBMODULE_CONFIG_MACRO = 11, 677 /// \brief Specifies a conflict with another module. 678 SUBMODULE_CONFLICT = 12, 679 /// \brief Specifies a header that is private to this submodule. 680 SUBMODULE_PRIVATE_HEADER = 13, 681 /// \brief Specifies a header that is part of the module but must be 682 /// textually included. 683 SUBMODULE_TEXTUAL_HEADER = 14, 684 /// \brief Specifies a header that is private to this submodule but 685 /// must be textually included. 686 SUBMODULE_PRIVATE_TEXTUAL_HEADER = 15, 687 }; 688 689 /// \brief Record types used within a comments block. 690 enum CommentRecordTypes { 691 COMMENTS_RAW_COMMENT = 0 692 }; 693 694 /// \defgroup ASTAST AST file AST constants 695 /// 696 /// The constants in this group describe various components of the 697 /// abstract syntax tree within an AST file. 698 /// 699 /// @{ 700 701 /// \brief Predefined type IDs. 702 /// 703 /// These type IDs correspond to predefined types in the AST 704 /// context, such as built-in types (int) and special place-holder 705 /// types (the \<overload> and \<dependent> type markers). Such 706 /// types are never actually serialized, since they will be built 707 /// by the AST context when it is created. 708 enum PredefinedTypeIDs { 709 /// \brief The NULL type. 710 PREDEF_TYPE_NULL_ID = 0, 711 /// \brief The void type. 712 PREDEF_TYPE_VOID_ID = 1, 713 /// \brief The 'bool' or '_Bool' type. 714 PREDEF_TYPE_BOOL_ID = 2, 715 /// \brief The 'char' type, when it is unsigned. 716 PREDEF_TYPE_CHAR_U_ID = 3, 717 /// \brief The 'unsigned char' type. 718 PREDEF_TYPE_UCHAR_ID = 4, 719 /// \brief The 'unsigned short' type. 720 PREDEF_TYPE_USHORT_ID = 5, 721 /// \brief The 'unsigned int' type. 722 PREDEF_TYPE_UINT_ID = 6, 723 /// \brief The 'unsigned long' type. 724 PREDEF_TYPE_ULONG_ID = 7, 725 /// \brief The 'unsigned long long' type. 726 PREDEF_TYPE_ULONGLONG_ID = 8, 727 /// \brief The 'char' type, when it is signed. 728 PREDEF_TYPE_CHAR_S_ID = 9, 729 /// \brief The 'signed char' type. 730 PREDEF_TYPE_SCHAR_ID = 10, 731 /// \brief The C++ 'wchar_t' type. 732 PREDEF_TYPE_WCHAR_ID = 11, 733 /// \brief The (signed) 'short' type. 734 PREDEF_TYPE_SHORT_ID = 12, 735 /// \brief The (signed) 'int' type. 736 PREDEF_TYPE_INT_ID = 13, 737 /// \brief The (signed) 'long' type. 738 PREDEF_TYPE_LONG_ID = 14, 739 /// \brief The (signed) 'long long' type. 740 PREDEF_TYPE_LONGLONG_ID = 15, 741 /// \brief The 'float' type. 742 PREDEF_TYPE_FLOAT_ID = 16, 743 /// \brief The 'double' type. 744 PREDEF_TYPE_DOUBLE_ID = 17, 745 /// \brief The 'long double' type. 746 PREDEF_TYPE_LONGDOUBLE_ID = 18, 747 /// \brief The placeholder type for overloaded function sets. 748 PREDEF_TYPE_OVERLOAD_ID = 19, 749 /// \brief The placeholder type for dependent types. 750 PREDEF_TYPE_DEPENDENT_ID = 20, 751 /// \brief The '__uint128_t' type. 752 PREDEF_TYPE_UINT128_ID = 21, 753 /// \brief The '__int128_t' type. 754 PREDEF_TYPE_INT128_ID = 22, 755 /// \brief The type of 'nullptr'. 756 PREDEF_TYPE_NULLPTR_ID = 23, 757 /// \brief The C++ 'char16_t' type. 758 PREDEF_TYPE_CHAR16_ID = 24, 759 /// \brief The C++ 'char32_t' type. 760 PREDEF_TYPE_CHAR32_ID = 25, 761 /// \brief The ObjC 'id' type. 762 PREDEF_TYPE_OBJC_ID = 26, 763 /// \brief The ObjC 'Class' type. 764 PREDEF_TYPE_OBJC_CLASS = 27, 765 /// \brief The ObjC 'SEL' type. 766 PREDEF_TYPE_OBJC_SEL = 28, 767 /// \brief The 'unknown any' placeholder type. 768 PREDEF_TYPE_UNKNOWN_ANY = 29, 769 /// \brief The placeholder type for bound member functions. 770 PREDEF_TYPE_BOUND_MEMBER = 30, 771 /// \brief The "auto" deduction type. 772 PREDEF_TYPE_AUTO_DEDUCT = 31, 773 /// \brief The "auto &&" deduction type. 774 PREDEF_TYPE_AUTO_RREF_DEDUCT = 32, 775 /// \brief The OpenCL 'half' / ARM NEON __fp16 type. 776 PREDEF_TYPE_HALF_ID = 33, 777 /// \brief ARC's unbridged-cast placeholder type. 778 PREDEF_TYPE_ARC_UNBRIDGED_CAST = 34, 779 /// \brief The pseudo-object placeholder type. 780 PREDEF_TYPE_PSEUDO_OBJECT = 35, 781 /// \brief The placeholder type for builtin functions. 782 PREDEF_TYPE_BUILTIN_FN = 36, 783 /// \brief OpenCL event type. 784 PREDEF_TYPE_EVENT_ID = 37, 785 /// \brief OpenCL clk event type. 786 PREDEF_TYPE_CLK_EVENT_ID = 38, 787 /// \brief OpenCL sampler type. 788 PREDEF_TYPE_SAMPLER_ID = 39, 789 /// \brief OpenCL queue type. 790 PREDEF_TYPE_QUEUE_ID = 40, 791 /// \brief OpenCL ndrange type. 792 PREDEF_TYPE_NDRANGE_ID = 41, 793 /// \brief OpenCL reserve_id type. 794 PREDEF_TYPE_RESERVE_ID_ID = 42, 795 /// \brief The placeholder type for OpenMP array section. 796 PREDEF_TYPE_OMP_ARRAY_SECTION = 43, 797 /// \brief The '__float128' type 798 PREDEF_TYPE_FLOAT128_ID = 44, 799 /// \brief OpenCL image types with auto numeration 800 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ 801 PREDEF_TYPE_##Id##_ID, 802 #include "clang/Basic/OpenCLImageTypes.def" 803 }; 804 805 /// \brief The number of predefined type IDs that are reserved for 806 /// the PREDEF_TYPE_* constants. 807 /// 808 /// Type IDs for non-predefined types will start at 809 /// NUM_PREDEF_TYPE_IDs. 810 const unsigned NUM_PREDEF_TYPE_IDS = 100; 811 812 /// \brief Record codes for each kind of type. 813 /// 814 /// These constants describe the type records that can occur within a 815 /// block identified by DECLTYPES_BLOCK_ID in the AST file. Each 816 /// constant describes a record for a specific type class in the 817 /// AST. Note that DeclCode values share this code space. 818 enum TypeCode { 819 /// \brief An ExtQualType record. 820 TYPE_EXT_QUAL = 1, 821 /// \brief A ComplexType record. 822 TYPE_COMPLEX = 3, 823 /// \brief A PointerType record. 824 TYPE_POINTER = 4, 825 /// \brief A BlockPointerType record. 826 TYPE_BLOCK_POINTER = 5, 827 /// \brief An LValueReferenceType record. 828 TYPE_LVALUE_REFERENCE = 6, 829 /// \brief An RValueReferenceType record. 830 TYPE_RVALUE_REFERENCE = 7, 831 /// \brief A MemberPointerType record. 832 TYPE_MEMBER_POINTER = 8, 833 /// \brief A ConstantArrayType record. 834 TYPE_CONSTANT_ARRAY = 9, 835 /// \brief An IncompleteArrayType record. 836 TYPE_INCOMPLETE_ARRAY = 10, 837 /// \brief A VariableArrayType record. 838 TYPE_VARIABLE_ARRAY = 11, 839 /// \brief A VectorType record. 840 TYPE_VECTOR = 12, 841 /// \brief An ExtVectorType record. 842 TYPE_EXT_VECTOR = 13, 843 /// \brief A FunctionNoProtoType record. 844 TYPE_FUNCTION_NO_PROTO = 14, 845 /// \brief A FunctionProtoType record. 846 TYPE_FUNCTION_PROTO = 15, 847 /// \brief A TypedefType record. 848 TYPE_TYPEDEF = 16, 849 /// \brief A TypeOfExprType record. 850 TYPE_TYPEOF_EXPR = 17, 851 /// \brief A TypeOfType record. 852 TYPE_TYPEOF = 18, 853 /// \brief A RecordType record. 854 TYPE_RECORD = 19, 855 /// \brief An EnumType record. 856 TYPE_ENUM = 20, 857 /// \brief An ObjCInterfaceType record. 858 TYPE_OBJC_INTERFACE = 21, 859 /// \brief An ObjCObjectPointerType record. 860 TYPE_OBJC_OBJECT_POINTER = 22, 861 /// \brief a DecltypeType record. 862 TYPE_DECLTYPE = 23, 863 /// \brief An ElaboratedType record. 864 TYPE_ELABORATED = 24, 865 /// \brief A SubstTemplateTypeParmType record. 866 TYPE_SUBST_TEMPLATE_TYPE_PARM = 25, 867 /// \brief An UnresolvedUsingType record. 868 TYPE_UNRESOLVED_USING = 26, 869 /// \brief An InjectedClassNameType record. 870 TYPE_INJECTED_CLASS_NAME = 27, 871 /// \brief An ObjCObjectType record. 872 TYPE_OBJC_OBJECT = 28, 873 /// \brief An TemplateTypeParmType record. 874 TYPE_TEMPLATE_TYPE_PARM = 29, 875 /// \brief An TemplateSpecializationType record. 876 TYPE_TEMPLATE_SPECIALIZATION = 30, 877 /// \brief A DependentNameType record. 878 TYPE_DEPENDENT_NAME = 31, 879 /// \brief A DependentTemplateSpecializationType record. 880 TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION = 32, 881 /// \brief A DependentSizedArrayType record. 882 TYPE_DEPENDENT_SIZED_ARRAY = 33, 883 /// \brief A ParenType record. 884 TYPE_PAREN = 34, 885 /// \brief A PackExpansionType record. 886 TYPE_PACK_EXPANSION = 35, 887 /// \brief An AttributedType record. 888 TYPE_ATTRIBUTED = 36, 889 /// \brief A SubstTemplateTypeParmPackType record. 890 TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK = 37, 891 /// \brief A AutoType record. 892 TYPE_AUTO = 38, 893 /// \brief A UnaryTransformType record. 894 TYPE_UNARY_TRANSFORM = 39, 895 /// \brief An AtomicType record. 896 TYPE_ATOMIC = 40, 897 /// \brief A DecayedType record. 898 TYPE_DECAYED = 41, 899 /// \brief An AdjustedType record. 900 TYPE_ADJUSTED = 42, 901 /// \brief A PipeType record. 902 TYPE_PIPE = 43 903 }; 904 905 /// \brief The type IDs for special types constructed by semantic 906 /// analysis. 907 /// 908 /// The constants in this enumeration are indices into the 909 /// SPECIAL_TYPES record. 910 enum SpecialTypeIDs { 911 /// \brief CFConstantString type 912 SPECIAL_TYPE_CF_CONSTANT_STRING = 0, 913 /// \brief C FILE typedef type 914 SPECIAL_TYPE_FILE = 1, 915 /// \brief C jmp_buf typedef type 916 SPECIAL_TYPE_JMP_BUF = 2, 917 /// \brief C sigjmp_buf typedef type 918 SPECIAL_TYPE_SIGJMP_BUF = 3, 919 /// \brief Objective-C "id" redefinition type 920 SPECIAL_TYPE_OBJC_ID_REDEFINITION = 4, 921 /// \brief Objective-C "Class" redefinition type 922 SPECIAL_TYPE_OBJC_CLASS_REDEFINITION = 5, 923 /// \brief Objective-C "SEL" redefinition type 924 SPECIAL_TYPE_OBJC_SEL_REDEFINITION = 6, 925 /// \brief C ucontext_t typedef type 926 SPECIAL_TYPE_UCONTEXT_T = 7 927 }; 928 929 /// \brief The number of special type IDs. 930 const unsigned NumSpecialTypeIDs = 8; 931 932 /// \brief Predefined declaration IDs. 933 /// 934 /// These declaration IDs correspond to predefined declarations in the AST 935 /// context, such as the NULL declaration ID. Such declarations are never 936 /// actually serialized, since they will be built by the AST context when 937 /// it is created. 938 enum PredefinedDeclIDs { 939 /// \brief The NULL declaration. 940 PREDEF_DECL_NULL_ID = 0, 941 942 /// \brief The translation unit. 943 PREDEF_DECL_TRANSLATION_UNIT_ID = 1, 944 945 /// \brief The Objective-C 'id' type. 946 PREDEF_DECL_OBJC_ID_ID = 2, 947 948 /// \brief The Objective-C 'SEL' type. 949 PREDEF_DECL_OBJC_SEL_ID = 3, 950 951 /// \brief The Objective-C 'Class' type. 952 PREDEF_DECL_OBJC_CLASS_ID = 4, 953 954 /// \brief The Objective-C 'Protocol' type. 955 PREDEF_DECL_OBJC_PROTOCOL_ID = 5, 956 957 /// \brief The signed 128-bit integer type. 958 PREDEF_DECL_INT_128_ID = 6, 959 960 /// \brief The unsigned 128-bit integer type. 961 PREDEF_DECL_UNSIGNED_INT_128_ID = 7, 962 963 /// \brief The internal 'instancetype' typedef. 964 PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8, 965 966 /// \brief The internal '__builtin_va_list' typedef. 967 PREDEF_DECL_BUILTIN_VA_LIST_ID = 9, 968 969 /// \brief The internal '__va_list_tag' struct, if any. 970 PREDEF_DECL_VA_LIST_TAG = 10, 971 972 /// \brief The internal '__builtin_ms_va_list' typedef. 973 PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11, 974 975 /// \brief The extern "C" context. 976 PREDEF_DECL_EXTERN_C_CONTEXT_ID = 12, 977 978 /// \brief The internal '__make_integer_seq' template. 979 PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 13, 980 981 /// \brief The internal '__NSConstantString' typedef. 982 PREDEF_DECL_CF_CONSTANT_STRING_ID = 14, 983 984 /// \brief The internal '__NSConstantString' tag type. 985 PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 15, 986 987 /// \brief The internal '__type_pack_element' template. 988 PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 16, 989 }; 990 991 /// \brief The number of declaration IDs that are predefined. 992 /// 993 /// For more information about predefined declarations, see the 994 /// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants. 995 const unsigned int NUM_PREDEF_DECL_IDS = 17; 996 997 /// \brief Record of updates for a declaration that was modified after 998 /// being deserialized. This can occur within DECLTYPES_BLOCK_ID. 999 const unsigned int DECL_UPDATES = 49; 1000 1001 /// \brief Record code for a list of local redeclarations of a declaration. 1002 /// This can occur within DECLTYPES_BLOCK_ID. 1003 const unsigned int LOCAL_REDECLARATIONS = 50; 1004 1005 /// \brief Record codes for each kind of declaration. 1006 /// 1007 /// These constants describe the declaration records that can occur within 1008 /// a declarations block (identified by DECLTYPES_BLOCK_ID). Each 1009 /// constant describes a record for a specific declaration class 1010 /// in the AST. Note that TypeCode values share this code space. 1011 enum DeclCode { 1012 /// \brief A TypedefDecl record. 1013 DECL_TYPEDEF = 51, 1014 /// \brief A TypeAliasDecl record. 1015 DECL_TYPEALIAS, 1016 /// \brief An EnumDecl record. 1017 DECL_ENUM, 1018 /// \brief A RecordDecl record. 1019 DECL_RECORD, 1020 /// \brief An EnumConstantDecl record. 1021 DECL_ENUM_CONSTANT, 1022 /// \brief A FunctionDecl record. 1023 DECL_FUNCTION, 1024 /// \brief A ObjCMethodDecl record. 1025 DECL_OBJC_METHOD, 1026 /// \brief A ObjCInterfaceDecl record. 1027 DECL_OBJC_INTERFACE, 1028 /// \brief A ObjCProtocolDecl record. 1029 DECL_OBJC_PROTOCOL, 1030 /// \brief A ObjCIvarDecl record. 1031 DECL_OBJC_IVAR, 1032 /// \brief A ObjCAtDefsFieldDecl record. 1033 DECL_OBJC_AT_DEFS_FIELD, 1034 /// \brief A ObjCCategoryDecl record. 1035 DECL_OBJC_CATEGORY, 1036 /// \brief A ObjCCategoryImplDecl record. 1037 DECL_OBJC_CATEGORY_IMPL, 1038 /// \brief A ObjCImplementationDecl record. 1039 DECL_OBJC_IMPLEMENTATION, 1040 /// \brief A ObjCCompatibleAliasDecl record. 1041 DECL_OBJC_COMPATIBLE_ALIAS, 1042 /// \brief A ObjCPropertyDecl record. 1043 DECL_OBJC_PROPERTY, 1044 /// \brief A ObjCPropertyImplDecl record. 1045 DECL_OBJC_PROPERTY_IMPL, 1046 /// \brief A FieldDecl record. 1047 DECL_FIELD, 1048 /// \brief A MSPropertyDecl record. 1049 DECL_MS_PROPERTY, 1050 /// \brief A VarDecl record. 1051 DECL_VAR, 1052 /// \brief An ImplicitParamDecl record. 1053 DECL_IMPLICIT_PARAM, 1054 /// \brief A ParmVarDecl record. 1055 DECL_PARM_VAR, 1056 /// \brief A FileScopeAsmDecl record. 1057 DECL_FILE_SCOPE_ASM, 1058 /// \brief A BlockDecl record. 1059 DECL_BLOCK, 1060 /// \brief A CapturedDecl record. 1061 DECL_CAPTURED, 1062 /// \brief A record that stores the set of declarations that are 1063 /// lexically stored within a given DeclContext. 1064 /// 1065 /// The record itself is a blob that is an array of declaration IDs, 1066 /// in the order in which those declarations were added to the 1067 /// declaration context. This data is used when iterating over 1068 /// the contents of a DeclContext, e.g., via 1069 /// DeclContext::decls_begin() and DeclContext::decls_end(). 1070 DECL_CONTEXT_LEXICAL, 1071 /// \brief A record that stores the set of declarations that are 1072 /// visible from a given DeclContext. 1073 /// 1074 /// The record itself stores a set of mappings, each of which 1075 /// associates a declaration name with one or more declaration 1076 /// IDs. This data is used when performing qualified name lookup 1077 /// into a DeclContext via DeclContext::lookup. 1078 DECL_CONTEXT_VISIBLE, 1079 /// \brief A LabelDecl record. 1080 DECL_LABEL, 1081 /// \brief A NamespaceDecl record. 1082 DECL_NAMESPACE, 1083 /// \brief A NamespaceAliasDecl record. 1084 DECL_NAMESPACE_ALIAS, 1085 /// \brief A UsingDecl record. 1086 DECL_USING, 1087 /// \brief A UsingShadowDecl record. 1088 DECL_USING_SHADOW, 1089 /// \brief A ConstructorUsingShadowDecl record. 1090 DECL_CONSTRUCTOR_USING_SHADOW, 1091 /// \brief A UsingDirecitveDecl record. 1092 DECL_USING_DIRECTIVE, 1093 /// \brief An UnresolvedUsingValueDecl record. 1094 DECL_UNRESOLVED_USING_VALUE, 1095 /// \brief An UnresolvedUsingTypenameDecl record. 1096 DECL_UNRESOLVED_USING_TYPENAME, 1097 /// \brief A LinkageSpecDecl record. 1098 DECL_LINKAGE_SPEC, 1099 /// \brief A CXXRecordDecl record. 1100 DECL_CXX_RECORD, 1101 /// \brief A CXXMethodDecl record. 1102 DECL_CXX_METHOD, 1103 /// \brief A CXXConstructorDecl record. 1104 DECL_CXX_CONSTRUCTOR, 1105 /// \brief A CXXConstructorDecl record for an inherited constructor. 1106 DECL_CXX_INHERITED_CONSTRUCTOR, 1107 /// \brief A CXXDestructorDecl record. 1108 DECL_CXX_DESTRUCTOR, 1109 /// \brief A CXXConversionDecl record. 1110 DECL_CXX_CONVERSION, 1111 /// \brief An AccessSpecDecl record. 1112 DECL_ACCESS_SPEC, 1113 1114 /// \brief A FriendDecl record. 1115 DECL_FRIEND, 1116 /// \brief A FriendTemplateDecl record. 1117 DECL_FRIEND_TEMPLATE, 1118 /// \brief A ClassTemplateDecl record. 1119 DECL_CLASS_TEMPLATE, 1120 /// \brief A ClassTemplateSpecializationDecl record. 1121 DECL_CLASS_TEMPLATE_SPECIALIZATION, 1122 /// \brief A ClassTemplatePartialSpecializationDecl record. 1123 DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION, 1124 /// \brief A VarTemplateDecl record. 1125 DECL_VAR_TEMPLATE, 1126 /// \brief A VarTemplateSpecializationDecl record. 1127 DECL_VAR_TEMPLATE_SPECIALIZATION, 1128 /// \brief A VarTemplatePartialSpecializationDecl record. 1129 DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION, 1130 /// \brief A FunctionTemplateDecl record. 1131 DECL_FUNCTION_TEMPLATE, 1132 /// \brief A TemplateTypeParmDecl record. 1133 DECL_TEMPLATE_TYPE_PARM, 1134 /// \brief A NonTypeTemplateParmDecl record. 1135 DECL_NON_TYPE_TEMPLATE_PARM, 1136 /// \brief A TemplateTemplateParmDecl record. 1137 DECL_TEMPLATE_TEMPLATE_PARM, 1138 /// \brief A TypeAliasTemplateDecl record. 1139 DECL_TYPE_ALIAS_TEMPLATE, 1140 /// \brief A StaticAssertDecl record. 1141 DECL_STATIC_ASSERT, 1142 /// \brief A record containing CXXBaseSpecifiers. 1143 DECL_CXX_BASE_SPECIFIERS, 1144 /// \brief A record containing CXXCtorInitializers. 1145 DECL_CXX_CTOR_INITIALIZERS, 1146 /// \brief A IndirectFieldDecl record. 1147 DECL_INDIRECTFIELD, 1148 /// \brief A NonTypeTemplateParmDecl record that stores an expanded 1149 /// non-type template parameter pack. 1150 DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK, 1151 /// \brief A TemplateTemplateParmDecl record that stores an expanded 1152 /// template template parameter pack. 1153 DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK, 1154 /// \brief A ClassScopeFunctionSpecializationDecl record a class scope 1155 /// function specialization. (Microsoft extension). 1156 DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION, 1157 /// \brief An ImportDecl recording a module import. 1158 DECL_IMPORT, 1159 /// \brief An OMPThreadPrivateDecl record. 1160 DECL_OMP_THREADPRIVATE, 1161 /// \brief An EmptyDecl record. 1162 DECL_EMPTY, 1163 /// \brief An ObjCTypeParamDecl record. 1164 DECL_OBJC_TYPE_PARAM, 1165 /// \brief An OMPCapturedExprDecl record. 1166 DECL_OMP_CAPTUREDEXPR, 1167 /// \brief A PragmaCommentDecl record. 1168 DECL_PRAGMA_COMMENT, 1169 /// \brief A PragmaDetectMismatchDecl record. 1170 DECL_PRAGMA_DETECT_MISMATCH, 1171 /// \brief An OMPDeclareReductionDecl record. 1172 DECL_OMP_DECLARE_REDUCTION, 1173 }; 1174 1175 /// \brief Record codes for each kind of statement or expression. 1176 /// 1177 /// These constants describe the records that describe statements 1178 /// or expressions. These records occur within type and declarations 1179 /// block, so they begin with record values of 128. Each constant 1180 /// describes a record for a specific statement or expression class in the 1181 /// AST. 1182 enum StmtCode { 1183 /// \brief A marker record that indicates that we are at the end 1184 /// of an expression. 1185 STMT_STOP = 128, 1186 /// \brief A NULL expression. 1187 STMT_NULL_PTR, 1188 /// \brief A reference to a previously [de]serialized Stmt record. 1189 STMT_REF_PTR, 1190 /// \brief A NullStmt record. 1191 STMT_NULL, 1192 /// \brief A CompoundStmt record. 1193 STMT_COMPOUND, 1194 /// \brief A CaseStmt record. 1195 STMT_CASE, 1196 /// \brief A DefaultStmt record. 1197 STMT_DEFAULT, 1198 /// \brief A LabelStmt record. 1199 STMT_LABEL, 1200 /// \brief An AttributedStmt record. 1201 STMT_ATTRIBUTED, 1202 /// \brief An IfStmt record. 1203 STMT_IF, 1204 /// \brief A SwitchStmt record. 1205 STMT_SWITCH, 1206 /// \brief A WhileStmt record. 1207 STMT_WHILE, 1208 /// \brief A DoStmt record. 1209 STMT_DO, 1210 /// \brief A ForStmt record. 1211 STMT_FOR, 1212 /// \brief A GotoStmt record. 1213 STMT_GOTO, 1214 /// \brief An IndirectGotoStmt record. 1215 STMT_INDIRECT_GOTO, 1216 /// \brief A ContinueStmt record. 1217 STMT_CONTINUE, 1218 /// \brief A BreakStmt record. 1219 STMT_BREAK, 1220 /// \brief A ReturnStmt record. 1221 STMT_RETURN, 1222 /// \brief A DeclStmt record. 1223 STMT_DECL, 1224 /// \brief A CapturedStmt record. 1225 STMT_CAPTURED, 1226 /// \brief A GCC-style AsmStmt record. 1227 STMT_GCCASM, 1228 /// \brief A MS-style AsmStmt record. 1229 STMT_MSASM, 1230 /// \brief A PredefinedExpr record. 1231 EXPR_PREDEFINED, 1232 /// \brief A DeclRefExpr record. 1233 EXPR_DECL_REF, 1234 /// \brief An IntegerLiteral record. 1235 EXPR_INTEGER_LITERAL, 1236 /// \brief A FloatingLiteral record. 1237 EXPR_FLOATING_LITERAL, 1238 /// \brief An ImaginaryLiteral record. 1239 EXPR_IMAGINARY_LITERAL, 1240 /// \brief A StringLiteral record. 1241 EXPR_STRING_LITERAL, 1242 /// \brief A CharacterLiteral record. 1243 EXPR_CHARACTER_LITERAL, 1244 /// \brief A ParenExpr record. 1245 EXPR_PAREN, 1246 /// \brief A ParenListExpr record. 1247 EXPR_PAREN_LIST, 1248 /// \brief A UnaryOperator record. 1249 EXPR_UNARY_OPERATOR, 1250 /// \brief An OffsetOfExpr record. 1251 EXPR_OFFSETOF, 1252 /// \brief A SizefAlignOfExpr record. 1253 EXPR_SIZEOF_ALIGN_OF, 1254 /// \brief An ArraySubscriptExpr record. 1255 EXPR_ARRAY_SUBSCRIPT, 1256 /// \brief A CallExpr record. 1257 EXPR_CALL, 1258 /// \brief A MemberExpr record. 1259 EXPR_MEMBER, 1260 /// \brief A BinaryOperator record. 1261 EXPR_BINARY_OPERATOR, 1262 /// \brief A CompoundAssignOperator record. 1263 EXPR_COMPOUND_ASSIGN_OPERATOR, 1264 /// \brief A ConditionOperator record. 1265 EXPR_CONDITIONAL_OPERATOR, 1266 /// \brief An ImplicitCastExpr record. 1267 EXPR_IMPLICIT_CAST, 1268 /// \brief A CStyleCastExpr record. 1269 EXPR_CSTYLE_CAST, 1270 /// \brief A CompoundLiteralExpr record. 1271 EXPR_COMPOUND_LITERAL, 1272 /// \brief An ExtVectorElementExpr record. 1273 EXPR_EXT_VECTOR_ELEMENT, 1274 /// \brief An InitListExpr record. 1275 EXPR_INIT_LIST, 1276 /// \brief A DesignatedInitExpr record. 1277 EXPR_DESIGNATED_INIT, 1278 /// \brief A DesignatedInitUpdateExpr record. 1279 EXPR_DESIGNATED_INIT_UPDATE, 1280 /// \brief An ImplicitValueInitExpr record. 1281 EXPR_IMPLICIT_VALUE_INIT, 1282 /// \brief An NoInitExpr record. 1283 EXPR_NO_INIT, 1284 /// \brief A VAArgExpr record. 1285 EXPR_VA_ARG, 1286 /// \brief An AddrLabelExpr record. 1287 EXPR_ADDR_LABEL, 1288 /// \brief A StmtExpr record. 1289 EXPR_STMT, 1290 /// \brief A ChooseExpr record. 1291 EXPR_CHOOSE, 1292 /// \brief A GNUNullExpr record. 1293 EXPR_GNU_NULL, 1294 /// \brief A ShuffleVectorExpr record. 1295 EXPR_SHUFFLE_VECTOR, 1296 /// \brief A ConvertVectorExpr record. 1297 EXPR_CONVERT_VECTOR, 1298 /// \brief BlockExpr 1299 EXPR_BLOCK, 1300 /// \brief A GenericSelectionExpr record. 1301 EXPR_GENERIC_SELECTION, 1302 /// \brief A PseudoObjectExpr record. 1303 EXPR_PSEUDO_OBJECT, 1304 /// \brief An AtomicExpr record. 1305 EXPR_ATOMIC, 1306 1307 // Objective-C 1308 1309 /// \brief An ObjCStringLiteral record. 1310 EXPR_OBJC_STRING_LITERAL, 1311 1312 EXPR_OBJC_BOXED_EXPRESSION, 1313 EXPR_OBJC_ARRAY_LITERAL, 1314 EXPR_OBJC_DICTIONARY_LITERAL, 1315 1316 1317 /// \brief An ObjCEncodeExpr record. 1318 EXPR_OBJC_ENCODE, 1319 /// \brief An ObjCSelectorExpr record. 1320 EXPR_OBJC_SELECTOR_EXPR, 1321 /// \brief An ObjCProtocolExpr record. 1322 EXPR_OBJC_PROTOCOL_EXPR, 1323 /// \brief An ObjCIvarRefExpr record. 1324 EXPR_OBJC_IVAR_REF_EXPR, 1325 /// \brief An ObjCPropertyRefExpr record. 1326 EXPR_OBJC_PROPERTY_REF_EXPR, 1327 /// \brief An ObjCSubscriptRefExpr record. 1328 EXPR_OBJC_SUBSCRIPT_REF_EXPR, 1329 /// \brief UNUSED 1330 EXPR_OBJC_KVC_REF_EXPR, 1331 /// \brief An ObjCMessageExpr record. 1332 EXPR_OBJC_MESSAGE_EXPR, 1333 /// \brief An ObjCIsa Expr record. 1334 EXPR_OBJC_ISA, 1335 /// \brief An ObjCIndirectCopyRestoreExpr record. 1336 EXPR_OBJC_INDIRECT_COPY_RESTORE, 1337 1338 /// \brief An ObjCForCollectionStmt record. 1339 STMT_OBJC_FOR_COLLECTION, 1340 /// \brief An ObjCAtCatchStmt record. 1341 STMT_OBJC_CATCH, 1342 /// \brief An ObjCAtFinallyStmt record. 1343 STMT_OBJC_FINALLY, 1344 /// \brief An ObjCAtTryStmt record. 1345 STMT_OBJC_AT_TRY, 1346 /// \brief An ObjCAtSynchronizedStmt record. 1347 STMT_OBJC_AT_SYNCHRONIZED, 1348 /// \brief An ObjCAtThrowStmt record. 1349 STMT_OBJC_AT_THROW, 1350 /// \brief An ObjCAutoreleasePoolStmt record. 1351 STMT_OBJC_AUTORELEASE_POOL, 1352 /// \brief A ObjCBoolLiteralExpr record. 1353 EXPR_OBJC_BOOL_LITERAL, 1354 1355 // C++ 1356 1357 /// \brief A CXXCatchStmt record. 1358 STMT_CXX_CATCH, 1359 /// \brief A CXXTryStmt record. 1360 STMT_CXX_TRY, 1361 /// \brief A CXXForRangeStmt record. 1362 STMT_CXX_FOR_RANGE, 1363 1364 /// \brief A CXXOperatorCallExpr record. 1365 EXPR_CXX_OPERATOR_CALL, 1366 /// \brief A CXXMemberCallExpr record. 1367 EXPR_CXX_MEMBER_CALL, 1368 /// \brief A CXXConstructExpr record. 1369 EXPR_CXX_CONSTRUCT, 1370 /// \brief A CXXInheritedCtorInitExpr record. 1371 EXPR_CXX_INHERITED_CTOR_INIT, 1372 /// \brief A CXXTemporaryObjectExpr record. 1373 EXPR_CXX_TEMPORARY_OBJECT, 1374 /// \brief A CXXStaticCastExpr record. 1375 EXPR_CXX_STATIC_CAST, 1376 /// \brief A CXXDynamicCastExpr record. 1377 EXPR_CXX_DYNAMIC_CAST, 1378 /// \brief A CXXReinterpretCastExpr record. 1379 EXPR_CXX_REINTERPRET_CAST, 1380 /// \brief A CXXConstCastExpr record. 1381 EXPR_CXX_CONST_CAST, 1382 /// \brief A CXXFunctionalCastExpr record. 1383 EXPR_CXX_FUNCTIONAL_CAST, 1384 /// \brief A UserDefinedLiteral record. 1385 EXPR_USER_DEFINED_LITERAL, 1386 /// \brief A CXXStdInitializerListExpr record. 1387 EXPR_CXX_STD_INITIALIZER_LIST, 1388 /// \brief A CXXBoolLiteralExpr record. 1389 EXPR_CXX_BOOL_LITERAL, 1390 EXPR_CXX_NULL_PTR_LITERAL, // CXXNullPtrLiteralExpr 1391 EXPR_CXX_TYPEID_EXPR, // CXXTypeidExpr (of expr). 1392 EXPR_CXX_TYPEID_TYPE, // CXXTypeidExpr (of type). 1393 EXPR_CXX_THIS, // CXXThisExpr 1394 EXPR_CXX_THROW, // CXXThrowExpr 1395 EXPR_CXX_DEFAULT_ARG, // CXXDefaultArgExpr 1396 EXPR_CXX_DEFAULT_INIT, // CXXDefaultInitExpr 1397 EXPR_CXX_BIND_TEMPORARY, // CXXBindTemporaryExpr 1398 1399 EXPR_CXX_SCALAR_VALUE_INIT, // CXXScalarValueInitExpr 1400 EXPR_CXX_NEW, // CXXNewExpr 1401 EXPR_CXX_DELETE, // CXXDeleteExpr 1402 EXPR_CXX_PSEUDO_DESTRUCTOR, // CXXPseudoDestructorExpr 1403 1404 EXPR_EXPR_WITH_CLEANUPS, // ExprWithCleanups 1405 1406 EXPR_CXX_DEPENDENT_SCOPE_MEMBER, // CXXDependentScopeMemberExpr 1407 EXPR_CXX_DEPENDENT_SCOPE_DECL_REF, // DependentScopeDeclRefExpr 1408 EXPR_CXX_UNRESOLVED_CONSTRUCT, // CXXUnresolvedConstructExpr 1409 EXPR_CXX_UNRESOLVED_MEMBER, // UnresolvedMemberExpr 1410 EXPR_CXX_UNRESOLVED_LOOKUP, // UnresolvedLookupExpr 1411 1412 EXPR_CXX_EXPRESSION_TRAIT, // ExpressionTraitExpr 1413 EXPR_CXX_NOEXCEPT, // CXXNoexceptExpr 1414 1415 EXPR_OPAQUE_VALUE, // OpaqueValueExpr 1416 EXPR_BINARY_CONDITIONAL_OPERATOR, // BinaryConditionalOperator 1417 EXPR_TYPE_TRAIT, // TypeTraitExpr 1418 EXPR_ARRAY_TYPE_TRAIT, // ArrayTypeTraitIntExpr 1419 1420 EXPR_PACK_EXPANSION, // PackExpansionExpr 1421 EXPR_SIZEOF_PACK, // SizeOfPackExpr 1422 EXPR_SUBST_NON_TYPE_TEMPLATE_PARM, // SubstNonTypeTemplateParmExpr 1423 EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK,// SubstNonTypeTemplateParmPackExpr 1424 EXPR_FUNCTION_PARM_PACK, // FunctionParmPackExpr 1425 EXPR_MATERIALIZE_TEMPORARY, // MaterializeTemporaryExpr 1426 EXPR_CXX_FOLD, // CXXFoldExpr 1427 1428 // CUDA 1429 EXPR_CUDA_KERNEL_CALL, // CUDAKernelCallExpr 1430 1431 // OpenCL 1432 EXPR_ASTYPE, // AsTypeExpr 1433 1434 // Microsoft 1435 EXPR_CXX_PROPERTY_REF_EXPR, // MSPropertyRefExpr 1436 EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR, // MSPropertySubscriptExpr 1437 EXPR_CXX_UUIDOF_EXPR, // CXXUuidofExpr (of expr). 1438 EXPR_CXX_UUIDOF_TYPE, // CXXUuidofExpr (of type). 1439 STMT_SEH_LEAVE, // SEHLeaveStmt 1440 STMT_SEH_EXCEPT, // SEHExceptStmt 1441 STMT_SEH_FINALLY, // SEHFinallyStmt 1442 STMT_SEH_TRY, // SEHTryStmt 1443 1444 // OpenMP directives 1445 STMT_OMP_PARALLEL_DIRECTIVE, 1446 STMT_OMP_SIMD_DIRECTIVE, 1447 STMT_OMP_FOR_DIRECTIVE, 1448 STMT_OMP_FOR_SIMD_DIRECTIVE, 1449 STMT_OMP_SECTIONS_DIRECTIVE, 1450 STMT_OMP_SECTION_DIRECTIVE, 1451 STMT_OMP_SINGLE_DIRECTIVE, 1452 STMT_OMP_MASTER_DIRECTIVE, 1453 STMT_OMP_CRITICAL_DIRECTIVE, 1454 STMT_OMP_PARALLEL_FOR_DIRECTIVE, 1455 STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE, 1456 STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE, 1457 STMT_OMP_TASK_DIRECTIVE, 1458 STMT_OMP_TASKYIELD_DIRECTIVE, 1459 STMT_OMP_BARRIER_DIRECTIVE, 1460 STMT_OMP_TASKWAIT_DIRECTIVE, 1461 STMT_OMP_FLUSH_DIRECTIVE, 1462 STMT_OMP_ORDERED_DIRECTIVE, 1463 STMT_OMP_ATOMIC_DIRECTIVE, 1464 STMT_OMP_TARGET_DIRECTIVE, 1465 STMT_OMP_TARGET_DATA_DIRECTIVE, 1466 STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE, 1467 STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE, 1468 STMT_OMP_TARGET_PARALLEL_DIRECTIVE, 1469 STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE, 1470 STMT_OMP_TEAMS_DIRECTIVE, 1471 STMT_OMP_TASKGROUP_DIRECTIVE, 1472 STMT_OMP_CANCELLATION_POINT_DIRECTIVE, 1473 STMT_OMP_CANCEL_DIRECTIVE, 1474 STMT_OMP_TASKLOOP_DIRECTIVE, 1475 STMT_OMP_TASKLOOP_SIMD_DIRECTIVE, 1476 STMT_OMP_DISTRIBUTE_DIRECTIVE, 1477 STMT_OMP_TARGET_UPDATE_DIRECTIVE, 1478 STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE, 1479 STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE, 1480 STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE, 1481 STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE, 1482 EXPR_OMP_ARRAY_SECTION, 1483 1484 // ARC 1485 EXPR_OBJC_BRIDGED_CAST, // ObjCBridgedCastExpr 1486 1487 STMT_MS_DEPENDENT_EXISTS, // MSDependentExistsStmt 1488 EXPR_LAMBDA // LambdaExpr 1489 }; 1490 1491 /// \brief The kinds of designators that can occur in a 1492 /// DesignatedInitExpr. 1493 enum DesignatorTypes { 1494 /// \brief Field designator where only the field name is known. 1495 DESIG_FIELD_NAME = 0, 1496 /// \brief Field designator where the field has been resolved to 1497 /// a declaration. 1498 DESIG_FIELD_DECL = 1, 1499 /// \brief Array designator. 1500 DESIG_ARRAY = 2, 1501 /// \brief GNU array range designator. 1502 DESIG_ARRAY_RANGE = 3 1503 }; 1504 1505 /// \brief The different kinds of data that can occur in a 1506 /// CtorInitializer. 1507 enum CtorInitializerType { 1508 CTOR_INITIALIZER_BASE, 1509 CTOR_INITIALIZER_DELEGATING, 1510 CTOR_INITIALIZER_MEMBER, 1511 CTOR_INITIALIZER_INDIRECT_MEMBER 1512 }; 1513 1514 /// \brief Describes the redeclarations of a declaration. 1515 struct LocalRedeclarationsInfo { 1516 DeclID FirstID; // The ID of the first declaration 1517 unsigned Offset; // Offset into the array of redeclaration chains. 1518 1519 friend bool operator<(const LocalRedeclarationsInfo &X, 1520 const LocalRedeclarationsInfo &Y) { 1521 return X.FirstID < Y.FirstID; 1522 } 1523 1524 friend bool operator>(const LocalRedeclarationsInfo &X, 1525 const LocalRedeclarationsInfo &Y) { 1526 return X.FirstID > Y.FirstID; 1527 } 1528 1529 friend bool operator<=(const LocalRedeclarationsInfo &X, 1530 const LocalRedeclarationsInfo &Y) { 1531 return X.FirstID <= Y.FirstID; 1532 } 1533 1534 friend bool operator>=(const LocalRedeclarationsInfo &X, 1535 const LocalRedeclarationsInfo &Y) { 1536 return X.FirstID >= Y.FirstID; 1537 } 1538 }; 1539 1540 /// \brief Describes the categories of an Objective-C class. 1541 struct ObjCCategoriesInfo { 1542 DeclID DefinitionID; // The ID of the definition 1543 unsigned Offset; // Offset into the array of category lists. 1544 1545 friend bool operator<(const ObjCCategoriesInfo &X, 1546 const ObjCCategoriesInfo &Y) { 1547 return X.DefinitionID < Y.DefinitionID; 1548 } 1549 1550 friend bool operator>(const ObjCCategoriesInfo &X, 1551 const ObjCCategoriesInfo &Y) { 1552 return X.DefinitionID > Y.DefinitionID; 1553 } 1554 1555 friend bool operator<=(const ObjCCategoriesInfo &X, 1556 const ObjCCategoriesInfo &Y) { 1557 return X.DefinitionID <= Y.DefinitionID; 1558 } 1559 1560 friend bool operator>=(const ObjCCategoriesInfo &X, 1561 const ObjCCategoriesInfo &Y) { 1562 return X.DefinitionID >= Y.DefinitionID; 1563 } 1564 }; 1565 1566 /// \brief A key used when looking up entities by \ref DeclarationName. 1567 /// 1568 /// Different \ref DeclarationNames are mapped to different keys, but the 1569 /// same key can occasionally represent multiple names (for names that 1570 /// contain types, in particular). 1571 class DeclarationNameKey { 1572 typedef unsigned NameKind; 1573 1574 NameKind Kind; 1575 uint64_t Data; 1576 1577 public: DeclarationNameKey()1578 DeclarationNameKey() : Kind(), Data() {} 1579 DeclarationNameKey(DeclarationName Name); 1580 DeclarationNameKey(NameKind Kind,uint64_t Data)1581 DeclarationNameKey(NameKind Kind, uint64_t Data) 1582 : Kind(Kind), Data(Data) {} 1583 getKind()1584 NameKind getKind() const { return Kind; } 1585 getIdentifier()1586 IdentifierInfo *getIdentifier() const { 1587 assert(Kind == DeclarationName::Identifier || 1588 Kind == DeclarationName::CXXLiteralOperatorName); 1589 return (IdentifierInfo *)Data; 1590 } getSelector()1591 Selector getSelector() const { 1592 assert(Kind == DeclarationName::ObjCZeroArgSelector || 1593 Kind == DeclarationName::ObjCOneArgSelector || 1594 Kind == DeclarationName::ObjCMultiArgSelector); 1595 return Selector(Data); 1596 } getOperatorKind()1597 OverloadedOperatorKind getOperatorKind() const { 1598 assert(Kind == DeclarationName::CXXOperatorName); 1599 return (OverloadedOperatorKind)Data; 1600 } 1601 1602 /// Compute a fingerprint of this key for use in on-disk hash table. 1603 unsigned getHash() const; 1604 1605 friend bool operator==(const DeclarationNameKey &A, 1606 const DeclarationNameKey &B) { 1607 return A.Kind == B.Kind && A.Data == B.Data; 1608 } 1609 }; 1610 1611 /// @} 1612 } 1613 } // end namespace clang 1614 1615 namespace llvm { 1616 template <> struct DenseMapInfo<clang::serialization::DeclarationNameKey> { 1617 static clang::serialization::DeclarationNameKey getEmptyKey() { 1618 return clang::serialization::DeclarationNameKey(-1, 1); 1619 } 1620 static clang::serialization::DeclarationNameKey getTombstoneKey() { 1621 return clang::serialization::DeclarationNameKey(-1, 2); 1622 } 1623 static unsigned 1624 getHashValue(const clang::serialization::DeclarationNameKey &Key) { 1625 return Key.getHash(); 1626 } 1627 static bool isEqual(const clang::serialization::DeclarationNameKey &L, 1628 const clang::serialization::DeclarationNameKey &R) { 1629 return L == R; 1630 } 1631 }; 1632 } 1633 1634 #endif 1635