1 //===--- ASTWriterDecl.cpp - Declaration Serialization --------------------===// 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 file implements serialization for Declarations. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/Serialization/ASTWriter.h" 15 #include "ASTCommon.h" 16 #include "clang/AST/DeclCXX.h" 17 #include "clang/AST/DeclContextInternals.h" 18 #include "clang/AST/DeclTemplate.h" 19 #include "clang/AST/DeclVisitor.h" 20 #include "clang/AST/Expr.h" 21 #include "clang/Basic/SourceManager.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/Twine.h" 24 #include "llvm/Bitcode/BitstreamWriter.h" 25 #include "llvm/Support/ErrorHandling.h" 26 using namespace clang; 27 using namespace serialization; 28 29 //===----------------------------------------------------------------------===// 30 // Declaration serialization 31 //===----------------------------------------------------------------------===// 32 33 namespace clang { 34 class ASTDeclWriter : public DeclVisitor<ASTDeclWriter, void> { 35 36 ASTWriter &Writer; 37 ASTContext &Context; 38 typedef ASTWriter::RecordData RecordData; 39 RecordData &Record; 40 41 public: 42 serialization::DeclCode Code; 43 unsigned AbbrevToUse; 44 45 ASTDeclWriter(ASTWriter &Writer, ASTContext &Context, RecordData &Record) 46 : Writer(Writer), Context(Context), Record(Record) { 47 } 48 49 void Visit(Decl *D); 50 51 void VisitDecl(Decl *D); 52 void VisitTranslationUnitDecl(TranslationUnitDecl *D); 53 void VisitNamedDecl(NamedDecl *D); 54 void VisitLabelDecl(LabelDecl *LD); 55 void VisitNamespaceDecl(NamespaceDecl *D); 56 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D); 57 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D); 58 void VisitTypeDecl(TypeDecl *D); 59 void VisitTypedefNameDecl(TypedefNameDecl *D); 60 void VisitTypedefDecl(TypedefDecl *D); 61 void VisitTypeAliasDecl(TypeAliasDecl *D); 62 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); 63 void VisitTagDecl(TagDecl *D); 64 void VisitEnumDecl(EnumDecl *D); 65 void VisitRecordDecl(RecordDecl *D); 66 void VisitCXXRecordDecl(CXXRecordDecl *D); 67 void VisitClassTemplateSpecializationDecl( 68 ClassTemplateSpecializationDecl *D); 69 void VisitClassTemplatePartialSpecializationDecl( 70 ClassTemplatePartialSpecializationDecl *D); 71 void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); 72 void VisitVarTemplatePartialSpecializationDecl( 73 VarTemplatePartialSpecializationDecl *D); 74 void VisitClassScopeFunctionSpecializationDecl( 75 ClassScopeFunctionSpecializationDecl *D); 76 void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); 77 void VisitValueDecl(ValueDecl *D); 78 void VisitEnumConstantDecl(EnumConstantDecl *D); 79 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); 80 void VisitDeclaratorDecl(DeclaratorDecl *D); 81 void VisitFunctionDecl(FunctionDecl *D); 82 void VisitCXXMethodDecl(CXXMethodDecl *D); 83 void VisitCXXConstructorDecl(CXXConstructorDecl *D); 84 void VisitCXXDestructorDecl(CXXDestructorDecl *D); 85 void VisitCXXConversionDecl(CXXConversionDecl *D); 86 void VisitFieldDecl(FieldDecl *D); 87 void VisitMSPropertyDecl(MSPropertyDecl *D); 88 void VisitIndirectFieldDecl(IndirectFieldDecl *D); 89 void VisitVarDecl(VarDecl *D); 90 void VisitImplicitParamDecl(ImplicitParamDecl *D); 91 void VisitParmVarDecl(ParmVarDecl *D); 92 void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); 93 void VisitTemplateDecl(TemplateDecl *D); 94 void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D); 95 void VisitClassTemplateDecl(ClassTemplateDecl *D); 96 void VisitVarTemplateDecl(VarTemplateDecl *D); 97 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D); 98 void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); 99 void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); 100 void VisitUsingDecl(UsingDecl *D); 101 void VisitUsingShadowDecl(UsingShadowDecl *D); 102 void VisitLinkageSpecDecl(LinkageSpecDecl *D); 103 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D); 104 void VisitImportDecl(ImportDecl *D); 105 void VisitAccessSpecDecl(AccessSpecDecl *D); 106 void VisitFriendDecl(FriendDecl *D); 107 void VisitFriendTemplateDecl(FriendTemplateDecl *D); 108 void VisitStaticAssertDecl(StaticAssertDecl *D); 109 void VisitBlockDecl(BlockDecl *D); 110 void VisitCapturedDecl(CapturedDecl *D); 111 void VisitEmptyDecl(EmptyDecl *D); 112 113 void VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 114 uint64_t VisibleOffset); 115 template <typename T> void VisitRedeclarable(Redeclarable<T> *D); 116 117 118 // FIXME: Put in the same order is DeclNodes.td? 119 void VisitObjCMethodDecl(ObjCMethodDecl *D); 120 void VisitObjCContainerDecl(ObjCContainerDecl *D); 121 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); 122 void VisitObjCIvarDecl(ObjCIvarDecl *D); 123 void VisitObjCProtocolDecl(ObjCProtocolDecl *D); 124 void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D); 125 void VisitObjCCategoryDecl(ObjCCategoryDecl *D); 126 void VisitObjCImplDecl(ObjCImplDecl *D); 127 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); 128 void VisitObjCImplementationDecl(ObjCImplementationDecl *D); 129 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D); 130 void VisitObjCPropertyDecl(ObjCPropertyDecl *D); 131 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); 132 void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D); 133 134 void AddFunctionDefinition(const FunctionDecl *FD) { 135 assert(FD->doesThisDeclarationHaveABody()); 136 if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) 137 Writer.AddCXXCtorInitializers(CD->CtorInitializers, 138 CD->NumCtorInitializers, Record); 139 Writer.AddStmt(FD->getBody()); 140 } 141 }; 142 } 143 144 void ASTDeclWriter::Visit(Decl *D) { 145 DeclVisitor<ASTDeclWriter>::Visit(D); 146 147 // Source locations require array (variable-length) abbreviations. The 148 // abbreviation infrastructure requires that arrays are encoded last, so 149 // we handle it here in the case of those classes derived from DeclaratorDecl 150 if (DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)){ 151 Writer.AddTypeSourceInfo(DD->getTypeSourceInfo(), Record); 152 } 153 154 // Handle FunctionDecl's body here and write it after all other Stmts/Exprs 155 // have been written. We want it last because we will not read it back when 156 // retrieving it from the AST, we'll just lazily set the offset. 157 if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 158 Record.push_back(FD->doesThisDeclarationHaveABody()); 159 if (FD->doesThisDeclarationHaveABody()) 160 Writer.AddStmt(FD->getBody()); 161 } 162 } 163 164 void ASTDeclWriter::VisitDecl(Decl *D) { 165 Writer.AddDeclRef(cast_or_null<Decl>(D->getDeclContext()), Record); 166 Writer.AddDeclRef(cast_or_null<Decl>(D->getLexicalDeclContext()), Record); 167 Record.push_back(D->isInvalidDecl()); 168 Record.push_back(D->hasAttrs()); 169 if (D->hasAttrs()) 170 Writer.WriteAttributes(ArrayRef<const Attr*>(D->getAttrs().begin(), 171 D->getAttrs().size()), Record); 172 Record.push_back(D->isImplicit()); 173 Record.push_back(D->isUsed(false)); 174 Record.push_back(D->isReferenced()); 175 Record.push_back(D->isTopLevelDeclInObjCContainer()); 176 Record.push_back(D->getAccess()); 177 Record.push_back(D->isModulePrivate()); 178 Record.push_back(Writer.inferSubmoduleIDFromLocation(D->getLocation())); 179 180 // If this declaration injected a name into a context different from its 181 // lexical context, and that context is an imported namespace, we need to 182 // update its visible declarations to include this name. 183 // 184 // This happens when we instantiate a class with a friend declaration or a 185 // function with a local extern declaration, for instance. 186 if (D->isOutOfLine()) { 187 auto *DC = D->getDeclContext(); 188 while (auto *NS = dyn_cast<NamespaceDecl>(DC->getRedeclContext())) { 189 if (!NS->isFromASTFile()) 190 break; 191 Writer.AddUpdatedDeclContext(NS->getPrimaryContext()); 192 if (!NS->isInlineNamespace()) 193 break; 194 DC = NS->getParent(); 195 } 196 } 197 } 198 199 void ASTDeclWriter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 200 llvm_unreachable("Translation units aren't directly serialized"); 201 } 202 203 void ASTDeclWriter::VisitNamedDecl(NamedDecl *D) { 204 VisitDecl(D); 205 Writer.AddDeclarationName(D->getDeclName(), Record); 206 } 207 208 void ASTDeclWriter::VisitTypeDecl(TypeDecl *D) { 209 VisitNamedDecl(D); 210 Writer.AddSourceLocation(D->getLocStart(), Record); 211 Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record); 212 } 213 214 void ASTDeclWriter::VisitTypedefNameDecl(TypedefNameDecl *D) { 215 VisitRedeclarable(D); 216 VisitTypeDecl(D); 217 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 218 Record.push_back(D->isModed()); 219 if (D->isModed()) 220 Writer.AddTypeRef(D->getUnderlyingType(), Record); 221 } 222 223 void ASTDeclWriter::VisitTypedefDecl(TypedefDecl *D) { 224 VisitTypedefNameDecl(D); 225 if (!D->hasAttrs() && 226 !D->isImplicit() && 227 D->getFirstDecl() == D->getMostRecentDecl() && 228 !D->isInvalidDecl() && 229 !D->isTopLevelDeclInObjCContainer() && 230 !D->isModulePrivate() && 231 D->getDeclName().getNameKind() == DeclarationName::Identifier) 232 AbbrevToUse = Writer.getDeclTypedefAbbrev(); 233 234 Code = serialization::DECL_TYPEDEF; 235 } 236 237 void ASTDeclWriter::VisitTypeAliasDecl(TypeAliasDecl *D) { 238 VisitTypedefNameDecl(D); 239 Code = serialization::DECL_TYPEALIAS; 240 } 241 242 void ASTDeclWriter::VisitTagDecl(TagDecl *D) { 243 VisitRedeclarable(D); 244 VisitTypeDecl(D); 245 Record.push_back(D->getIdentifierNamespace()); 246 Record.push_back((unsigned)D->getTagKind()); // FIXME: stable encoding 247 Record.push_back(D->isCompleteDefinition()); 248 Record.push_back(D->isEmbeddedInDeclarator()); 249 Record.push_back(D->isFreeStanding()); 250 Record.push_back(D->isCompleteDefinitionRequired()); 251 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 252 Record.push_back(D->hasExtInfo()); 253 if (D->hasExtInfo()) 254 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 255 else if (D->hasDeclaratorForAnonDecl()) 256 Writer.AddDeclRef(D->getDeclaratorForAnonDecl(), Record); 257 else 258 Writer.AddDeclRef(D->getTypedefNameForAnonDecl(), Record); 259 } 260 261 void ASTDeclWriter::VisitEnumDecl(EnumDecl *D) { 262 VisitTagDecl(D); 263 Writer.AddTypeSourceInfo(D->getIntegerTypeSourceInfo(), Record); 264 if (!D->getIntegerTypeSourceInfo()) 265 Writer.AddTypeRef(D->getIntegerType(), Record); 266 Writer.AddTypeRef(D->getPromotionType(), Record); 267 Record.push_back(D->getNumPositiveBits()); 268 Record.push_back(D->getNumNegativeBits()); 269 Record.push_back(D->isScoped()); 270 Record.push_back(D->isScopedUsingClassTag()); 271 Record.push_back(D->isFixed()); 272 if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { 273 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 274 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 275 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 276 } else { 277 Writer.AddDeclRef(nullptr, Record); 278 } 279 280 if (!D->hasAttrs() && 281 !D->isImplicit() && 282 !D->isUsed(false) && 283 !D->hasExtInfo() && 284 D->getFirstDecl() == D->getMostRecentDecl() && 285 !D->isInvalidDecl() && 286 !D->isReferenced() && 287 !D->isTopLevelDeclInObjCContainer() && 288 D->getAccess() == AS_none && 289 !D->isModulePrivate() && 290 !CXXRecordDecl::classofKind(D->getKind()) && 291 !D->getIntegerTypeSourceInfo() && 292 !D->getMemberSpecializationInfo() && 293 D->getDeclName().getNameKind() == DeclarationName::Identifier) 294 AbbrevToUse = Writer.getDeclEnumAbbrev(); 295 296 Code = serialization::DECL_ENUM; 297 } 298 299 void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) { 300 VisitTagDecl(D); 301 Record.push_back(D->hasFlexibleArrayMember()); 302 Record.push_back(D->isAnonymousStructOrUnion()); 303 Record.push_back(D->hasObjectMember()); 304 Record.push_back(D->hasVolatileMember()); 305 306 if (!D->hasAttrs() && 307 !D->isImplicit() && 308 !D->isUsed(false) && 309 !D->hasExtInfo() && 310 D->getFirstDecl() == D->getMostRecentDecl() && 311 !D->isInvalidDecl() && 312 !D->isReferenced() && 313 !D->isTopLevelDeclInObjCContainer() && 314 D->getAccess() == AS_none && 315 !D->isModulePrivate() && 316 !CXXRecordDecl::classofKind(D->getKind()) && 317 D->getDeclName().getNameKind() == DeclarationName::Identifier) 318 AbbrevToUse = Writer.getDeclRecordAbbrev(); 319 320 Code = serialization::DECL_RECORD; 321 } 322 323 void ASTDeclWriter::VisitValueDecl(ValueDecl *D) { 324 VisitNamedDecl(D); 325 Writer.AddTypeRef(D->getType(), Record); 326 } 327 328 void ASTDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) { 329 VisitValueDecl(D); 330 Record.push_back(D->getInitExpr()? 1 : 0); 331 if (D->getInitExpr()) 332 Writer.AddStmt(D->getInitExpr()); 333 Writer.AddAPSInt(D->getInitVal(), Record); 334 335 Code = serialization::DECL_ENUM_CONSTANT; 336 } 337 338 void ASTDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) { 339 VisitValueDecl(D); 340 Writer.AddSourceLocation(D->getInnerLocStart(), Record); 341 Record.push_back(D->hasExtInfo()); 342 if (D->hasExtInfo()) 343 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 344 } 345 346 void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) { 347 VisitRedeclarable(D); 348 VisitDeclaratorDecl(D); 349 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 350 Record.push_back(D->getIdentifierNamespace()); 351 352 // FunctionDecl's body is handled last at ASTWriterDecl::Visit, 353 // after everything else is written. 354 355 Record.push_back(D->getStorageClass()); // FIXME: stable encoding 356 Record.push_back(D->IsInline); 357 Record.push_back(D->isInlineSpecified()); 358 Record.push_back(D->isVirtualAsWritten()); 359 Record.push_back(D->isPure()); 360 Record.push_back(D->hasInheritedPrototype()); 361 Record.push_back(D->hasWrittenPrototype()); 362 Record.push_back(D->isDeletedAsWritten()); 363 Record.push_back(D->isTrivial()); 364 Record.push_back(D->isDefaulted()); 365 Record.push_back(D->isExplicitlyDefaulted()); 366 Record.push_back(D->hasImplicitReturnZero()); 367 Record.push_back(D->isConstexpr()); 368 Record.push_back(D->HasSkippedBody); 369 Record.push_back(D->isLateTemplateParsed()); 370 Record.push_back(D->getLinkageInternal()); 371 Writer.AddSourceLocation(D->getLocEnd(), Record); 372 373 Record.push_back(D->getTemplatedKind()); 374 switch (D->getTemplatedKind()) { 375 case FunctionDecl::TK_NonTemplate: 376 break; 377 case FunctionDecl::TK_FunctionTemplate: 378 Writer.AddDeclRef(D->getDescribedFunctionTemplate(), Record); 379 break; 380 case FunctionDecl::TK_MemberSpecialization: { 381 MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo(); 382 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 383 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 384 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 385 break; 386 } 387 case FunctionDecl::TK_FunctionTemplateSpecialization: { 388 FunctionTemplateSpecializationInfo * 389 FTSInfo = D->getTemplateSpecializationInfo(); 390 Writer.AddDeclRef(FTSInfo->getTemplate(), Record); 391 Record.push_back(FTSInfo->getTemplateSpecializationKind()); 392 393 // Template arguments. 394 Writer.AddTemplateArgumentList(FTSInfo->TemplateArguments, Record); 395 396 // Template args as written. 397 Record.push_back(FTSInfo->TemplateArgumentsAsWritten != nullptr); 398 if (FTSInfo->TemplateArgumentsAsWritten) { 399 Record.push_back(FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs); 400 for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs; 401 i!=e; ++i) 402 Writer.AddTemplateArgumentLoc((*FTSInfo->TemplateArgumentsAsWritten)[i], 403 Record); 404 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->LAngleLoc, 405 Record); 406 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->RAngleLoc, 407 Record); 408 } 409 410 Writer.AddSourceLocation(FTSInfo->getPointOfInstantiation(), Record); 411 412 if (D->isCanonicalDecl()) { 413 // Write the template that contains the specializations set. We will 414 // add a FunctionTemplateSpecializationInfo to it when reading. 415 Writer.AddDeclRef(FTSInfo->getTemplate()->getCanonicalDecl(), Record); 416 } 417 break; 418 } 419 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { 420 DependentFunctionTemplateSpecializationInfo * 421 DFTSInfo = D->getDependentSpecializationInfo(); 422 423 // Templates. 424 Record.push_back(DFTSInfo->getNumTemplates()); 425 for (int i=0, e = DFTSInfo->getNumTemplates(); i != e; ++i) 426 Writer.AddDeclRef(DFTSInfo->getTemplate(i), Record); 427 428 // Templates args. 429 Record.push_back(DFTSInfo->getNumTemplateArgs()); 430 for (int i=0, e = DFTSInfo->getNumTemplateArgs(); i != e; ++i) 431 Writer.AddTemplateArgumentLoc(DFTSInfo->getTemplateArg(i), Record); 432 Writer.AddSourceLocation(DFTSInfo->getLAngleLoc(), Record); 433 Writer.AddSourceLocation(DFTSInfo->getRAngleLoc(), Record); 434 break; 435 } 436 } 437 438 Record.push_back(D->param_size()); 439 for (auto P : D->params()) 440 Writer.AddDeclRef(P, Record); 441 Code = serialization::DECL_FUNCTION; 442 } 443 444 void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) { 445 VisitNamedDecl(D); 446 // FIXME: convert to LazyStmtPtr? 447 // Unlike C/C++, method bodies will never be in header files. 448 bool HasBodyStuff = D->getBody() != nullptr || 449 D->getSelfDecl() != nullptr || D->getCmdDecl() != nullptr; 450 Record.push_back(HasBodyStuff); 451 if (HasBodyStuff) { 452 Writer.AddStmt(D->getBody()); 453 Writer.AddDeclRef(D->getSelfDecl(), Record); 454 Writer.AddDeclRef(D->getCmdDecl(), Record); 455 } 456 Record.push_back(D->isInstanceMethod()); 457 Record.push_back(D->isVariadic()); 458 Record.push_back(D->isPropertyAccessor()); 459 Record.push_back(D->isDefined()); 460 Record.push_back(D->IsOverriding); 461 Record.push_back(D->HasSkippedBody); 462 463 Record.push_back(D->IsRedeclaration); 464 Record.push_back(D->HasRedeclaration); 465 if (D->HasRedeclaration) { 466 assert(Context.getObjCMethodRedeclaration(D)); 467 Writer.AddDeclRef(Context.getObjCMethodRedeclaration(D), Record); 468 } 469 470 // FIXME: stable encoding for @required/@optional 471 Record.push_back(D->getImplementationControl()); 472 // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway 473 Record.push_back(D->getObjCDeclQualifier()); 474 Record.push_back(D->hasRelatedResultType()); 475 Writer.AddTypeRef(D->getReturnType(), Record); 476 Writer.AddTypeSourceInfo(D->getReturnTypeSourceInfo(), Record); 477 Writer.AddSourceLocation(D->getLocEnd(), Record); 478 Record.push_back(D->param_size()); 479 for (const auto *P : D->params()) 480 Writer.AddDeclRef(P, Record); 481 482 Record.push_back(D->SelLocsKind); 483 unsigned NumStoredSelLocs = D->getNumStoredSelLocs(); 484 SourceLocation *SelLocs = D->getStoredSelLocs(); 485 Record.push_back(NumStoredSelLocs); 486 for (unsigned i = 0; i != NumStoredSelLocs; ++i) 487 Writer.AddSourceLocation(SelLocs[i], Record); 488 489 Code = serialization::DECL_OBJC_METHOD; 490 } 491 492 void ASTDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) { 493 VisitNamedDecl(D); 494 Writer.AddSourceLocation(D->getAtStartLoc(), Record); 495 Writer.AddSourceRange(D->getAtEndRange(), Record); 496 // Abstract class (no need to define a stable serialization::DECL code). 497 } 498 499 void ASTDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { 500 VisitRedeclarable(D); 501 VisitObjCContainerDecl(D); 502 Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record); 503 504 Record.push_back(D->isThisDeclarationADefinition()); 505 if (D->isThisDeclarationADefinition()) { 506 // Write the DefinitionData 507 ObjCInterfaceDecl::DefinitionData &Data = D->data(); 508 509 Writer.AddDeclRef(D->getSuperClass(), Record); 510 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 511 Writer.AddSourceLocation(D->getEndOfDefinitionLoc(), Record); 512 Record.push_back(Data.HasDesignatedInitializers); 513 514 // Write out the protocols that are directly referenced by the @interface. 515 Record.push_back(Data.ReferencedProtocols.size()); 516 for (const auto *P : D->protocols()) 517 Writer.AddDeclRef(P, Record); 518 for (const auto &PL : D->protocol_locs()) 519 Writer.AddSourceLocation(PL, Record); 520 521 // Write out the protocols that are transitively referenced. 522 Record.push_back(Data.AllReferencedProtocols.size()); 523 for (ObjCList<ObjCProtocolDecl>::iterator 524 P = Data.AllReferencedProtocols.begin(), 525 PEnd = Data.AllReferencedProtocols.end(); 526 P != PEnd; ++P) 527 Writer.AddDeclRef(*P, Record); 528 529 530 if (ObjCCategoryDecl *Cat = D->getCategoryListRaw()) { 531 // Ensure that we write out the set of categories for this class. 532 Writer.ObjCClassesWithCategories.insert(D); 533 534 // Make sure that the categories get serialized. 535 for (; Cat; Cat = Cat->getNextClassCategoryRaw()) 536 (void)Writer.GetDeclRef(Cat); 537 } 538 } 539 540 Code = serialization::DECL_OBJC_INTERFACE; 541 } 542 543 void ASTDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) { 544 VisitFieldDecl(D); 545 // FIXME: stable encoding for @public/@private/@protected/@package 546 Record.push_back(D->getAccessControl()); 547 Record.push_back(D->getSynthesize()); 548 549 if (!D->hasAttrs() && 550 !D->isImplicit() && 551 !D->isUsed(false) && 552 !D->isInvalidDecl() && 553 !D->isReferenced() && 554 !D->isModulePrivate() && 555 !D->getBitWidth() && 556 !D->hasExtInfo() && 557 D->getDeclName()) 558 AbbrevToUse = Writer.getDeclObjCIvarAbbrev(); 559 560 Code = serialization::DECL_OBJC_IVAR; 561 } 562 563 void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { 564 VisitRedeclarable(D); 565 VisitObjCContainerDecl(D); 566 567 Record.push_back(D->isThisDeclarationADefinition()); 568 if (D->isThisDeclarationADefinition()) { 569 Record.push_back(D->protocol_size()); 570 for (const auto *I : D->protocols()) 571 Writer.AddDeclRef(I, Record); 572 for (const auto &PL : D->protocol_locs()) 573 Writer.AddSourceLocation(PL, Record); 574 } 575 576 Code = serialization::DECL_OBJC_PROTOCOL; 577 } 578 579 void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) { 580 VisitFieldDecl(D); 581 Code = serialization::DECL_OBJC_AT_DEFS_FIELD; 582 } 583 584 void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { 585 VisitObjCContainerDecl(D); 586 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 587 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 588 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 589 Writer.AddDeclRef(D->getClassInterface(), Record); 590 Record.push_back(D->protocol_size()); 591 for (const auto *I : D->protocols()) 592 Writer.AddDeclRef(I, Record); 593 for (const auto &PL : D->protocol_locs()) 594 Writer.AddSourceLocation(PL, Record); 595 Code = serialization::DECL_OBJC_CATEGORY; 596 } 597 598 void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) { 599 VisitNamedDecl(D); 600 Writer.AddDeclRef(D->getClassInterface(), Record); 601 Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS; 602 } 603 604 void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { 605 VisitNamedDecl(D); 606 Writer.AddSourceLocation(D->getAtLoc(), Record); 607 Writer.AddSourceLocation(D->getLParenLoc(), Record); 608 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 609 // FIXME: stable encoding 610 Record.push_back((unsigned)D->getPropertyAttributes()); 611 Record.push_back((unsigned)D->getPropertyAttributesAsWritten()); 612 // FIXME: stable encoding 613 Record.push_back((unsigned)D->getPropertyImplementation()); 614 Writer.AddDeclarationName(D->getGetterName(), Record); 615 Writer.AddDeclarationName(D->getSetterName(), Record); 616 Writer.AddDeclRef(D->getGetterMethodDecl(), Record); 617 Writer.AddDeclRef(D->getSetterMethodDecl(), Record); 618 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 619 Code = serialization::DECL_OBJC_PROPERTY; 620 } 621 622 void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) { 623 VisitObjCContainerDecl(D); 624 Writer.AddDeclRef(D->getClassInterface(), Record); 625 // Abstract class (no need to define a stable serialization::DECL code). 626 } 627 628 void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { 629 VisitObjCImplDecl(D); 630 Writer.AddIdentifierRef(D->getIdentifier(), Record); 631 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 632 Code = serialization::DECL_OBJC_CATEGORY_IMPL; 633 } 634 635 void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { 636 VisitObjCImplDecl(D); 637 Writer.AddDeclRef(D->getSuperClass(), Record); 638 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 639 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 640 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 641 Record.push_back(D->hasNonZeroConstructors()); 642 Record.push_back(D->hasDestructors()); 643 Writer.AddCXXCtorInitializers(D->IvarInitializers, D->NumIvarInitializers, 644 Record); 645 Code = serialization::DECL_OBJC_IMPLEMENTATION; 646 } 647 648 void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { 649 VisitDecl(D); 650 Writer.AddSourceLocation(D->getLocStart(), Record); 651 Writer.AddDeclRef(D->getPropertyDecl(), Record); 652 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 653 Writer.AddSourceLocation(D->getPropertyIvarDeclLoc(), Record); 654 Writer.AddStmt(D->getGetterCXXConstructor()); 655 Writer.AddStmt(D->getSetterCXXAssignment()); 656 Code = serialization::DECL_OBJC_PROPERTY_IMPL; 657 } 658 659 void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) { 660 VisitDeclaratorDecl(D); 661 Record.push_back(D->isMutable()); 662 if (D->InitializerOrBitWidth.getInt() != ICIS_NoInit || 663 D->InitializerOrBitWidth.getPointer()) { 664 Record.push_back(D->InitializerOrBitWidth.getInt() + 1); 665 Writer.AddStmt(D->InitializerOrBitWidth.getPointer()); 666 } else { 667 Record.push_back(0); 668 } 669 if (!D->getDeclName()) 670 Writer.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D), Record); 671 672 if (!D->hasAttrs() && 673 !D->isImplicit() && 674 !D->isUsed(false) && 675 !D->isInvalidDecl() && 676 !D->isReferenced() && 677 !D->isTopLevelDeclInObjCContainer() && 678 !D->isModulePrivate() && 679 !D->getBitWidth() && 680 !D->hasInClassInitializer() && 681 !D->hasExtInfo() && 682 !ObjCIvarDecl::classofKind(D->getKind()) && 683 !ObjCAtDefsFieldDecl::classofKind(D->getKind()) && 684 D->getDeclName()) 685 AbbrevToUse = Writer.getDeclFieldAbbrev(); 686 687 Code = serialization::DECL_FIELD; 688 } 689 690 void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) { 691 VisitDeclaratorDecl(D); 692 Writer.AddIdentifierRef(D->getGetterId(), Record); 693 Writer.AddIdentifierRef(D->getSetterId(), Record); 694 Code = serialization::DECL_MS_PROPERTY; 695 } 696 697 void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { 698 VisitValueDecl(D); 699 Record.push_back(D->getChainingSize()); 700 701 for (const auto *P : D->chain()) 702 Writer.AddDeclRef(P, Record); 703 Code = serialization::DECL_INDIRECTFIELD; 704 } 705 706 void ASTDeclWriter::VisitVarDecl(VarDecl *D) { 707 VisitRedeclarable(D); 708 VisitDeclaratorDecl(D); 709 Record.push_back(D->getStorageClass()); 710 Record.push_back(D->getTSCSpec()); 711 Record.push_back(D->getInitStyle()); 712 Record.push_back(D->isExceptionVariable()); 713 Record.push_back(D->isNRVOVariable()); 714 Record.push_back(D->isCXXForRangeDecl()); 715 Record.push_back(D->isARCPseudoStrong()); 716 Record.push_back(D->isConstexpr()); 717 Record.push_back(D->isInitCapture()); 718 Record.push_back(D->isPreviousDeclInSameBlockScope()); 719 Record.push_back(D->getLinkageInternal()); 720 721 if (D->getInit()) { 722 Record.push_back(!D->isInitKnownICE() ? 1 : (D->isInitICE() ? 3 : 2)); 723 Writer.AddStmt(D->getInit()); 724 } else { 725 Record.push_back(0); 726 } 727 728 enum { 729 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization 730 }; 731 if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) { 732 Record.push_back(VarTemplate); 733 Writer.AddDeclRef(TemplD, Record); 734 } else if (MemberSpecializationInfo *SpecInfo 735 = D->getMemberSpecializationInfo()) { 736 Record.push_back(StaticDataMemberSpecialization); 737 Writer.AddDeclRef(SpecInfo->getInstantiatedFrom(), Record); 738 Record.push_back(SpecInfo->getTemplateSpecializationKind()); 739 Writer.AddSourceLocation(SpecInfo->getPointOfInstantiation(), Record); 740 } else { 741 Record.push_back(VarNotTemplate); 742 } 743 744 if (!D->hasAttrs() && 745 !D->isImplicit() && 746 !D->isUsed(false) && 747 !D->isInvalidDecl() && 748 !D->isReferenced() && 749 !D->isTopLevelDeclInObjCContainer() && 750 D->getAccess() == AS_none && 751 !D->isModulePrivate() && 752 D->getDeclName().getNameKind() == DeclarationName::Identifier && 753 !D->hasExtInfo() && 754 D->getFirstDecl() == D->getMostRecentDecl() && 755 D->getInitStyle() == VarDecl::CInit && 756 D->getInit() == nullptr && 757 !isa<ParmVarDecl>(D) && 758 !isa<VarTemplateSpecializationDecl>(D) && 759 !D->isConstexpr() && 760 !D->isInitCapture() && 761 !D->isPreviousDeclInSameBlockScope() && 762 !D->getMemberSpecializationInfo()) 763 AbbrevToUse = Writer.getDeclVarAbbrev(); 764 765 Code = serialization::DECL_VAR; 766 } 767 768 void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) { 769 VisitVarDecl(D); 770 Code = serialization::DECL_IMPLICIT_PARAM; 771 } 772 773 void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) { 774 VisitVarDecl(D); 775 Record.push_back(D->isObjCMethodParameter()); 776 Record.push_back(D->getFunctionScopeDepth()); 777 Record.push_back(D->getFunctionScopeIndex()); 778 Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding 779 Record.push_back(D->isKNRPromoted()); 780 Record.push_back(D->hasInheritedDefaultArg()); 781 Record.push_back(D->hasUninstantiatedDefaultArg()); 782 if (D->hasUninstantiatedDefaultArg()) 783 Writer.AddStmt(D->getUninstantiatedDefaultArg()); 784 Code = serialization::DECL_PARM_VAR; 785 786 assert(!D->isARCPseudoStrong()); // can be true of ImplicitParamDecl 787 788 // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here 789 // we dynamically check for the properties that we optimize for, but don't 790 // know are true of all PARM_VAR_DECLs. 791 if (!D->hasAttrs() && 792 !D->hasExtInfo() && 793 !D->isImplicit() && 794 !D->isUsed(false) && 795 !D->isInvalidDecl() && 796 !D->isReferenced() && 797 D->getAccess() == AS_none && 798 !D->isModulePrivate() && 799 D->getStorageClass() == 0 && 800 D->getInitStyle() == VarDecl::CInit && // Can params have anything else? 801 D->getFunctionScopeDepth() == 0 && 802 D->getObjCDeclQualifier() == 0 && 803 !D->isKNRPromoted() && 804 !D->hasInheritedDefaultArg() && 805 D->getInit() == nullptr && 806 !D->hasUninstantiatedDefaultArg()) // No default expr. 807 AbbrevToUse = Writer.getDeclParmVarAbbrev(); 808 809 // Check things we know are true of *every* PARM_VAR_DECL, which is more than 810 // just us assuming it. 811 assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS"); 812 assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private"); 813 assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var"); 814 assert(D->getPreviousDecl() == nullptr && "PARM_VAR_DECL can't be redecl"); 815 assert(!D->isStaticDataMember() && 816 "PARM_VAR_DECL can't be static data member"); 817 } 818 819 void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { 820 VisitDecl(D); 821 Writer.AddStmt(D->getAsmString()); 822 Writer.AddSourceLocation(D->getRParenLoc(), Record); 823 Code = serialization::DECL_FILE_SCOPE_ASM; 824 } 825 826 void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) { 827 VisitDecl(D); 828 Code = serialization::DECL_EMPTY; 829 } 830 831 void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) { 832 VisitDecl(D); 833 Writer.AddStmt(D->getBody()); 834 Writer.AddTypeSourceInfo(D->getSignatureAsWritten(), Record); 835 Record.push_back(D->param_size()); 836 for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end(); 837 P != PEnd; ++P) 838 Writer.AddDeclRef(*P, Record); 839 Record.push_back(D->isVariadic()); 840 Record.push_back(D->blockMissingReturnType()); 841 Record.push_back(D->isConversionFromLambda()); 842 Record.push_back(D->capturesCXXThis()); 843 Record.push_back(D->getNumCaptures()); 844 for (const auto &capture : D->captures()) { 845 Writer.AddDeclRef(capture.getVariable(), Record); 846 847 unsigned flags = 0; 848 if (capture.isByRef()) flags |= 1; 849 if (capture.isNested()) flags |= 2; 850 if (capture.hasCopyExpr()) flags |= 4; 851 Record.push_back(flags); 852 853 if (capture.hasCopyExpr()) Writer.AddStmt(capture.getCopyExpr()); 854 } 855 856 Code = serialization::DECL_BLOCK; 857 } 858 859 void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) { 860 Record.push_back(CD->getNumParams()); 861 VisitDecl(CD); 862 Record.push_back(CD->getContextParamPosition()); 863 Record.push_back(CD->isNothrow() ? 1 : 0); 864 // Body is stored by VisitCapturedStmt. 865 for (unsigned I = 0; I < CD->getNumParams(); ++I) 866 Writer.AddDeclRef(CD->getParam(I), Record); 867 Code = serialization::DECL_CAPTURED; 868 } 869 870 void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { 871 VisitDecl(D); 872 Record.push_back(D->getLanguage()); 873 Writer.AddSourceLocation(D->getExternLoc(), Record); 874 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 875 Code = serialization::DECL_LINKAGE_SPEC; 876 } 877 878 void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) { 879 VisitNamedDecl(D); 880 Writer.AddSourceLocation(D->getLocStart(), Record); 881 Code = serialization::DECL_LABEL; 882 } 883 884 885 void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) { 886 VisitRedeclarable(D); 887 VisitNamedDecl(D); 888 Record.push_back(D->isInline()); 889 Writer.AddSourceLocation(D->getLocStart(), Record); 890 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 891 892 if (D->isOriginalNamespace()) 893 Writer.AddDeclRef(D->getAnonymousNamespace(), Record); 894 Code = serialization::DECL_NAMESPACE; 895 896 if (Writer.hasChain() && !D->isOriginalNamespace() && 897 D->getOriginalNamespace()->isFromASTFile()) { 898 NamespaceDecl *NS = D->getOriginalNamespace(); 899 Writer.AddUpdatedDeclContext(NS); 900 901 // Make sure all visible decls are written. They will be recorded later. 902 if (StoredDeclsMap *Map = NS->buildLookup()) { 903 for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end(); 904 D != DEnd; ++D) { 905 DeclContext::lookup_result R = D->second.getLookupResult(); 906 for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; 907 ++I) 908 Writer.GetDeclRef(*I); 909 } 910 } 911 } 912 913 if (Writer.hasChain() && D->isAnonymousNamespace() && 914 D == D->getMostRecentDecl()) { 915 // This is a most recent reopening of the anonymous namespace. If its parent 916 // is in a previous PCH (or is the TU), mark that parent for update, because 917 // the original namespace always points to the latest re-opening of its 918 // anonymous namespace. 919 Decl *Parent = cast<Decl>( 920 D->getParent()->getRedeclContext()->getPrimaryContext()); 921 if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Parent)) { 922 Writer.DeclUpdates[Parent].push_back( 923 ASTWriter::DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, D)); 924 } 925 } 926 } 927 928 void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 929 VisitNamedDecl(D); 930 Writer.AddSourceLocation(D->getNamespaceLoc(), Record); 931 Writer.AddSourceLocation(D->getTargetNameLoc(), Record); 932 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 933 Writer.AddDeclRef(D->getNamespace(), Record); 934 Code = serialization::DECL_NAMESPACE_ALIAS; 935 } 936 937 void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) { 938 VisitNamedDecl(D); 939 Writer.AddSourceLocation(D->getUsingLoc(), Record); 940 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 941 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 942 Writer.AddDeclRef(D->FirstUsingShadow.getPointer(), Record); 943 Record.push_back(D->hasTypename()); 944 Writer.AddDeclRef(Context.getInstantiatedFromUsingDecl(D), Record); 945 Code = serialization::DECL_USING; 946 } 947 948 void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) { 949 VisitRedeclarable(D); 950 VisitNamedDecl(D); 951 Writer.AddDeclRef(D->getTargetDecl(), Record); 952 Writer.AddDeclRef(D->UsingOrNextShadow, Record); 953 Writer.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D), Record); 954 Code = serialization::DECL_USING_SHADOW; 955 } 956 957 void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 958 VisitNamedDecl(D); 959 Writer.AddSourceLocation(D->getUsingLoc(), Record); 960 Writer.AddSourceLocation(D->getNamespaceKeyLocation(), Record); 961 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 962 Writer.AddDeclRef(D->getNominatedNamespace(), Record); 963 Writer.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()), Record); 964 Code = serialization::DECL_USING_DIRECTIVE; 965 } 966 967 void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 968 VisitValueDecl(D); 969 Writer.AddSourceLocation(D->getUsingLoc(), Record); 970 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 971 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 972 Code = serialization::DECL_UNRESOLVED_USING_VALUE; 973 } 974 975 void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl( 976 UnresolvedUsingTypenameDecl *D) { 977 VisitTypeDecl(D); 978 Writer.AddSourceLocation(D->getTypenameLoc(), Record); 979 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 980 Code = serialization::DECL_UNRESOLVED_USING_TYPENAME; 981 } 982 983 void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) { 984 VisitRecordDecl(D); 985 986 enum { 987 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization 988 }; 989 if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) { 990 Record.push_back(CXXRecTemplate); 991 Writer.AddDeclRef(TemplD, Record); 992 } else if (MemberSpecializationInfo *MSInfo 993 = D->getMemberSpecializationInfo()) { 994 Record.push_back(CXXRecMemberSpecialization); 995 Writer.AddDeclRef(MSInfo->getInstantiatedFrom(), Record); 996 Record.push_back(MSInfo->getTemplateSpecializationKind()); 997 Writer.AddSourceLocation(MSInfo->getPointOfInstantiation(), Record); 998 } else { 999 Record.push_back(CXXRecNotTemplate); 1000 } 1001 1002 Record.push_back(D->isThisDeclarationADefinition()); 1003 if (D->isThisDeclarationADefinition()) 1004 Writer.AddCXXDefinitionData(D, Record); 1005 1006 // Store (what we currently believe to be) the key function to avoid 1007 // deserializing every method so we can compute it. 1008 if (D->IsCompleteDefinition) 1009 Writer.AddDeclRef(Context.getCurrentKeyFunction(D), Record); 1010 1011 Code = serialization::DECL_CXX_RECORD; 1012 } 1013 1014 void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) { 1015 VisitFunctionDecl(D); 1016 if (D->isCanonicalDecl()) { 1017 Record.push_back(D->size_overridden_methods()); 1018 for (CXXMethodDecl::method_iterator 1019 I = D->begin_overridden_methods(), E = D->end_overridden_methods(); 1020 I != E; ++I) 1021 Writer.AddDeclRef(*I, Record); 1022 } else { 1023 // We only need to record overridden methods once for the canonical decl. 1024 Record.push_back(0); 1025 } 1026 1027 if (D->getFirstDecl() == D->getMostRecentDecl() && 1028 !D->isInvalidDecl() && 1029 !D->hasAttrs() && 1030 !D->isTopLevelDeclInObjCContainer() && 1031 D->getDeclName().getNameKind() == DeclarationName::Identifier && 1032 !D->hasExtInfo() && 1033 !D->hasInheritedPrototype() && 1034 D->hasWrittenPrototype()) 1035 AbbrevToUse = Writer.getDeclCXXMethodAbbrev(); 1036 1037 Code = serialization::DECL_CXX_METHOD; 1038 } 1039 1040 void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1041 VisitCXXMethodDecl(D); 1042 1043 Writer.AddDeclRef(D->getInheritedConstructor(), Record); 1044 Record.push_back(D->IsExplicitSpecified); 1045 Writer.AddCXXCtorInitializers(D->CtorInitializers, D->NumCtorInitializers, 1046 Record); 1047 1048 Code = serialization::DECL_CXX_CONSTRUCTOR; 1049 } 1050 1051 void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 1052 VisitCXXMethodDecl(D); 1053 1054 Writer.AddDeclRef(D->OperatorDelete, Record); 1055 1056 Code = serialization::DECL_CXX_DESTRUCTOR; 1057 } 1058 1059 void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) { 1060 VisitCXXMethodDecl(D); 1061 Record.push_back(D->IsExplicitSpecified); 1062 Code = serialization::DECL_CXX_CONVERSION; 1063 } 1064 1065 void ASTDeclWriter::VisitImportDecl(ImportDecl *D) { 1066 VisitDecl(D); 1067 Record.push_back(Writer.getSubmoduleID(D->getImportedModule())); 1068 ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs(); 1069 Record.push_back(!IdentifierLocs.empty()); 1070 if (IdentifierLocs.empty()) { 1071 Writer.AddSourceLocation(D->getLocEnd(), Record); 1072 Record.push_back(1); 1073 } else { 1074 for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I) 1075 Writer.AddSourceLocation(IdentifierLocs[I], Record); 1076 Record.push_back(IdentifierLocs.size()); 1077 } 1078 // Note: the number of source locations must always be the last element in 1079 // the record. 1080 Code = serialization::DECL_IMPORT; 1081 } 1082 1083 void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) { 1084 VisitDecl(D); 1085 Writer.AddSourceLocation(D->getColonLoc(), Record); 1086 Code = serialization::DECL_ACCESS_SPEC; 1087 } 1088 1089 void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) { 1090 // Record the number of friend type template parameter lists here 1091 // so as to simplify memory allocation during deserialization. 1092 Record.push_back(D->NumTPLists); 1093 VisitDecl(D); 1094 bool hasFriendDecl = D->Friend.is<NamedDecl*>(); 1095 Record.push_back(hasFriendDecl); 1096 if (hasFriendDecl) 1097 Writer.AddDeclRef(D->getFriendDecl(), Record); 1098 else 1099 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1100 for (unsigned i = 0; i < D->NumTPLists; ++i) 1101 Writer.AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i), 1102 Record); 1103 Writer.AddDeclRef(D->getNextFriend(), Record); 1104 Record.push_back(D->UnsupportedFriend); 1105 Writer.AddSourceLocation(D->FriendLoc, Record); 1106 Code = serialization::DECL_FRIEND; 1107 } 1108 1109 void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) { 1110 VisitDecl(D); 1111 Record.push_back(D->getNumTemplateParameters()); 1112 for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i) 1113 Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record); 1114 Record.push_back(D->getFriendDecl() != nullptr); 1115 if (D->getFriendDecl()) 1116 Writer.AddDeclRef(D->getFriendDecl(), Record); 1117 else 1118 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1119 Writer.AddSourceLocation(D->getFriendLoc(), Record); 1120 Code = serialization::DECL_FRIEND_TEMPLATE; 1121 } 1122 1123 void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) { 1124 VisitNamedDecl(D); 1125 1126 Writer.AddDeclRef(D->getTemplatedDecl(), Record); 1127 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1128 } 1129 1130 void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { 1131 VisitRedeclarable(D); 1132 1133 // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that 1134 // getCommonPtr() can be used while this is still initializing. 1135 if (D->isFirstDecl()) { 1136 // This declaration owns the 'common' pointer, so serialize that data now. 1137 Writer.AddDeclRef(D->getInstantiatedFromMemberTemplate(), Record); 1138 if (D->getInstantiatedFromMemberTemplate()) 1139 Record.push_back(D->isMemberSpecialization()); 1140 } 1141 1142 VisitTemplateDecl(D); 1143 Record.push_back(D->getIdentifierNamespace()); 1144 } 1145 1146 void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) { 1147 VisitRedeclarableTemplateDecl(D); 1148 1149 if (D->isFirstDecl()) { 1150 typedef llvm::FoldingSetVector<ClassTemplateSpecializationDecl> CTSDSetTy; 1151 CTSDSetTy &CTSDSet = D->getSpecializations(); 1152 Record.push_back(CTSDSet.size()); 1153 for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) { 1154 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1155 Writer.AddDeclRef(&*I, Record); 1156 } 1157 1158 typedef llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> 1159 CTPSDSetTy; 1160 CTPSDSetTy &CTPSDSet = D->getPartialSpecializations(); 1161 Record.push_back(CTPSDSet.size()); 1162 for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) { 1163 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1164 Writer.AddDeclRef(&*I, Record); 1165 } 1166 } 1167 Code = serialization::DECL_CLASS_TEMPLATE; 1168 } 1169 1170 void ASTDeclWriter::VisitClassTemplateSpecializationDecl( 1171 ClassTemplateSpecializationDecl *D) { 1172 VisitCXXRecordDecl(D); 1173 1174 llvm::PointerUnion<ClassTemplateDecl *, 1175 ClassTemplatePartialSpecializationDecl *> InstFrom 1176 = D->getSpecializedTemplateOrPartial(); 1177 if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) { 1178 Writer.AddDeclRef(InstFromD, Record); 1179 } else { 1180 Writer.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>(), 1181 Record); 1182 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1183 } 1184 1185 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1186 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1187 Record.push_back(D->getSpecializationKind()); 1188 Record.push_back(D->isCanonicalDecl()); 1189 1190 if (D->isCanonicalDecl()) { 1191 // When reading, we'll add it to the folding set of the following template. 1192 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1193 } 1194 1195 // Explicit info. 1196 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1197 if (D->getTypeAsWritten()) { 1198 Writer.AddSourceLocation(D->getExternLoc(), Record); 1199 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1200 } 1201 1202 Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION; 1203 } 1204 1205 void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl( 1206 ClassTemplatePartialSpecializationDecl *D) { 1207 VisitClassTemplateSpecializationDecl(D); 1208 1209 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1210 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1211 1212 // These are read/set from/to the first declaration. 1213 if (D->getPreviousDecl() == nullptr) { 1214 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1215 Record.push_back(D->isMemberSpecialization()); 1216 } 1217 1218 Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION; 1219 } 1220 1221 void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) { 1222 VisitRedeclarableTemplateDecl(D); 1223 1224 if (D->isFirstDecl()) { 1225 typedef llvm::FoldingSetVector<VarTemplateSpecializationDecl> VTSDSetTy; 1226 VTSDSetTy &VTSDSet = D->getSpecializations(); 1227 Record.push_back(VTSDSet.size()); 1228 for (VTSDSetTy::iterator I = VTSDSet.begin(), E = VTSDSet.end(); I != E; 1229 ++I) { 1230 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1231 Writer.AddDeclRef(&*I, Record); 1232 } 1233 1234 typedef llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> 1235 VTPSDSetTy; 1236 VTPSDSetTy &VTPSDSet = D->getPartialSpecializations(); 1237 Record.push_back(VTPSDSet.size()); 1238 for (VTPSDSetTy::iterator I = VTPSDSet.begin(), E = VTPSDSet.end(); I != E; 1239 ++I) { 1240 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1241 Writer.AddDeclRef(&*I, Record); 1242 } 1243 } 1244 Code = serialization::DECL_VAR_TEMPLATE; 1245 } 1246 1247 void ASTDeclWriter::VisitVarTemplateSpecializationDecl( 1248 VarTemplateSpecializationDecl *D) { 1249 VisitVarDecl(D); 1250 1251 llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> 1252 InstFrom = D->getSpecializedTemplateOrPartial(); 1253 if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) { 1254 Writer.AddDeclRef(InstFromD, Record); 1255 } else { 1256 Writer.AddDeclRef(InstFrom.get<VarTemplatePartialSpecializationDecl *>(), 1257 Record); 1258 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1259 } 1260 1261 // Explicit info. 1262 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1263 if (D->getTypeAsWritten()) { 1264 Writer.AddSourceLocation(D->getExternLoc(), Record); 1265 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1266 } 1267 1268 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1269 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1270 Record.push_back(D->getSpecializationKind()); 1271 Record.push_back(D->isCanonicalDecl()); 1272 1273 if (D->isCanonicalDecl()) { 1274 // When reading, we'll add it to the folding set of the following template. 1275 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1276 } 1277 1278 Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION; 1279 } 1280 1281 void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl( 1282 VarTemplatePartialSpecializationDecl *D) { 1283 VisitVarTemplateSpecializationDecl(D); 1284 1285 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1286 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1287 1288 // These are read/set from/to the first declaration. 1289 if (D->getPreviousDecl() == nullptr) { 1290 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1291 Record.push_back(D->isMemberSpecialization()); 1292 } 1293 1294 Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION; 1295 } 1296 1297 void ASTDeclWriter::VisitClassScopeFunctionSpecializationDecl( 1298 ClassScopeFunctionSpecializationDecl *D) { 1299 VisitDecl(D); 1300 Writer.AddDeclRef(D->getSpecialization(), Record); 1301 Code = serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION; 1302 } 1303 1304 1305 void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 1306 VisitRedeclarableTemplateDecl(D); 1307 1308 if (D->isFirstDecl()) { 1309 // This FunctionTemplateDecl owns the CommonPtr; write it. 1310 1311 // Write the function specialization declarations. 1312 Record.push_back(D->getSpecializations().size()); 1313 for (llvm::FoldingSetVector<FunctionTemplateSpecializationInfo>::iterator 1314 I = D->getSpecializations().begin(), 1315 E = D->getSpecializations().end() ; I != E; ++I) { 1316 assert(I->Function->isCanonicalDecl() && 1317 "Expected only canonical decls in set"); 1318 Writer.AddDeclRef(I->Function, Record); 1319 } 1320 } 1321 Code = serialization::DECL_FUNCTION_TEMPLATE; 1322 } 1323 1324 void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { 1325 VisitTypeDecl(D); 1326 1327 Record.push_back(D->wasDeclaredWithTypename()); 1328 Record.push_back(D->defaultArgumentWasInherited()); 1329 Writer.AddTypeSourceInfo(D->getDefaultArgumentInfo(), Record); 1330 1331 Code = serialization::DECL_TEMPLATE_TYPE_PARM; 1332 } 1333 1334 void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { 1335 // For an expanded parameter pack, record the number of expansion types here 1336 // so that it's easier for deserialization to allocate the right amount of 1337 // memory. 1338 if (D->isExpandedParameterPack()) 1339 Record.push_back(D->getNumExpansionTypes()); 1340 1341 VisitDeclaratorDecl(D); 1342 // TemplateParmPosition. 1343 Record.push_back(D->getDepth()); 1344 Record.push_back(D->getPosition()); 1345 1346 if (D->isExpandedParameterPack()) { 1347 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { 1348 Writer.AddTypeRef(D->getExpansionType(I), Record); 1349 Writer.AddTypeSourceInfo(D->getExpansionTypeSourceInfo(I), Record); 1350 } 1351 1352 Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK; 1353 } else { 1354 // Rest of NonTypeTemplateParmDecl. 1355 Record.push_back(D->isParameterPack()); 1356 Record.push_back(D->getDefaultArgument() != nullptr); 1357 if (D->getDefaultArgument()) { 1358 Writer.AddStmt(D->getDefaultArgument()); 1359 Record.push_back(D->defaultArgumentWasInherited()); 1360 } 1361 Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM; 1362 } 1363 } 1364 1365 void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { 1366 // For an expanded parameter pack, record the number of expansion types here 1367 // so that it's easier for deserialization to allocate the right amount of 1368 // memory. 1369 if (D->isExpandedParameterPack()) 1370 Record.push_back(D->getNumExpansionTemplateParameters()); 1371 1372 VisitTemplateDecl(D); 1373 // TemplateParmPosition. 1374 Record.push_back(D->getDepth()); 1375 Record.push_back(D->getPosition()); 1376 1377 if (D->isExpandedParameterPack()) { 1378 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); 1379 I != N; ++I) 1380 Writer.AddTemplateParameterList(D->getExpansionTemplateParameters(I), 1381 Record); 1382 Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK; 1383 } else { 1384 // Rest of TemplateTemplateParmDecl. 1385 Writer.AddTemplateArgumentLoc(D->getDefaultArgument(), Record); 1386 Record.push_back(D->defaultArgumentWasInherited()); 1387 Record.push_back(D->isParameterPack()); 1388 Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM; 1389 } 1390 } 1391 1392 void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { 1393 VisitRedeclarableTemplateDecl(D); 1394 Code = serialization::DECL_TYPE_ALIAS_TEMPLATE; 1395 } 1396 1397 void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) { 1398 VisitDecl(D); 1399 Writer.AddStmt(D->getAssertExpr()); 1400 Record.push_back(D->isFailed()); 1401 Writer.AddStmt(D->getMessage()); 1402 Writer.AddSourceLocation(D->getRParenLoc(), Record); 1403 Code = serialization::DECL_STATIC_ASSERT; 1404 } 1405 1406 /// \brief Emit the DeclContext part of a declaration context decl. 1407 /// 1408 /// \param LexicalOffset the offset at which the DECL_CONTEXT_LEXICAL 1409 /// block for this declaration context is stored. May be 0 to indicate 1410 /// that there are no declarations stored within this context. 1411 /// 1412 /// \param VisibleOffset the offset at which the DECL_CONTEXT_VISIBLE 1413 /// block for this declaration context is stored. May be 0 to indicate 1414 /// that there are no declarations visible from this context. Note 1415 /// that this value will not be emitted for non-primary declaration 1416 /// contexts. 1417 void ASTDeclWriter::VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 1418 uint64_t VisibleOffset) { 1419 Record.push_back(LexicalOffset); 1420 Record.push_back(VisibleOffset); 1421 } 1422 1423 template <typename T> 1424 void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) { 1425 T *First = D->getFirstDecl(); 1426 if (First->getMostRecentDecl() != First) { 1427 assert(isRedeclarableDeclKind(static_cast<T *>(D)->getKind()) && 1428 "Not considered redeclarable?"); 1429 1430 // There is more than one declaration of this entity, so we will need to 1431 // write a redeclaration chain. 1432 Writer.AddDeclRef(First, Record); 1433 Writer.Redeclarations.insert(First); 1434 1435 // Make sure that we serialize both the previous and the most-recent 1436 // declarations, which (transitively) ensures that all declarations in the 1437 // chain get serialized. 1438 (void)Writer.GetDeclRef(D->getPreviousDecl()); 1439 (void)Writer.GetDeclRef(First->getMostRecentDecl()); 1440 } else { 1441 // We use the sentinel value 0 to indicate an only declaration. 1442 Record.push_back(0); 1443 } 1444 1445 } 1446 1447 void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { 1448 Record.push_back(D->varlist_size()); 1449 VisitDecl(D); 1450 for (auto *I : D->varlists()) 1451 Writer.AddStmt(I); 1452 Code = serialization::DECL_OMP_THREADPRIVATE; 1453 } 1454 1455 //===----------------------------------------------------------------------===// 1456 // ASTWriter Implementation 1457 //===----------------------------------------------------------------------===// 1458 1459 void ASTWriter::WriteDeclAbbrevs() { 1460 using namespace llvm; 1461 1462 BitCodeAbbrev *Abv; 1463 1464 // Abbreviation for DECL_FIELD 1465 Abv = new BitCodeAbbrev(); 1466 Abv->Add(BitCodeAbbrevOp(serialization::DECL_FIELD)); 1467 // Decl 1468 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1469 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1470 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1471 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1472 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1473 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1474 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1475 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1476 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1477 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1478 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1479 // NamedDecl 1480 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1481 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1482 // ValueDecl 1483 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1484 // DeclaratorDecl 1485 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1486 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1487 // FieldDecl 1488 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1489 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1490 // Type Source Info 1491 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1492 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1493 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1494 DeclFieldAbbrev = Stream.EmitAbbrev(Abv); 1495 1496 // Abbreviation for DECL_OBJC_IVAR 1497 Abv = new BitCodeAbbrev(); 1498 Abv->Add(BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR)); 1499 // Decl 1500 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1501 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1502 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1503 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1504 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1505 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1506 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1507 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1508 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1509 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1510 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1511 // NamedDecl 1512 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1513 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1514 // ValueDecl 1515 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1516 // DeclaratorDecl 1517 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1518 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1519 // FieldDecl 1520 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1521 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1522 // ObjC Ivar 1523 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl 1524 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize 1525 // Type Source Info 1526 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1527 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1528 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1529 DeclObjCIvarAbbrev = Stream.EmitAbbrev(Abv); 1530 1531 // Abbreviation for DECL_ENUM 1532 Abv = new BitCodeAbbrev(); 1533 Abv->Add(BitCodeAbbrevOp(serialization::DECL_ENUM)); 1534 // Redeclarable 1535 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1536 // Decl 1537 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1538 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1539 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1540 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1541 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1542 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1543 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1544 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1545 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1546 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1547 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1548 // NamedDecl 1549 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1550 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1551 // TypeDecl 1552 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1553 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1554 // TagDecl 1555 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1556 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1557 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1558 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1559 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1560 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1561 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1562 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1563 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1564 // EnumDecl 1565 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef 1566 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType 1567 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType 1568 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumPositiveBits 1569 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumNegativeBits 1570 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScoped 1571 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScopedUsingClassTag 1572 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isFixed 1573 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum 1574 // DC 1575 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1576 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1577 DeclEnumAbbrev = Stream.EmitAbbrev(Abv); 1578 1579 // Abbreviation for DECL_RECORD 1580 Abv = new BitCodeAbbrev(); 1581 Abv->Add(BitCodeAbbrevOp(serialization::DECL_RECORD)); 1582 // Redeclarable 1583 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1584 // Decl 1585 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1586 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1587 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1588 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1589 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1590 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1591 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1592 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1593 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1594 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1595 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1596 // NamedDecl 1597 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1598 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1599 // TypeDecl 1600 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1601 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1602 // TagDecl 1603 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1604 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1605 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1606 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1607 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1608 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1609 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1610 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1611 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1612 // RecordDecl 1613 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FlexibleArrayMember 1614 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion 1615 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember 1616 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember 1617 // DC 1618 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1619 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1620 DeclRecordAbbrev = Stream.EmitAbbrev(Abv); 1621 1622 // Abbreviation for DECL_PARM_VAR 1623 Abv = new BitCodeAbbrev(); 1624 Abv->Add(BitCodeAbbrevOp(serialization::DECL_PARM_VAR)); 1625 // Redeclarable 1626 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1627 // Decl 1628 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1629 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1630 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1631 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1632 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1633 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1634 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1635 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1636 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1637 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1638 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1639 // NamedDecl 1640 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1641 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1642 // ValueDecl 1643 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1644 // DeclaratorDecl 1645 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1646 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1647 // VarDecl 1648 Abv->Add(BitCodeAbbrevOp(0)); // StorageClass 1649 Abv->Add(BitCodeAbbrevOp(0)); // getTSCSpec 1650 Abv->Add(BitCodeAbbrevOp(0)); // hasCXXDirectInitializer 1651 Abv->Add(BitCodeAbbrevOp(0)); // isExceptionVariable 1652 Abv->Add(BitCodeAbbrevOp(0)); // isNRVOVariable 1653 Abv->Add(BitCodeAbbrevOp(0)); // isCXXForRangeDecl 1654 Abv->Add(BitCodeAbbrevOp(0)); // isARCPseudoStrong 1655 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1656 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1657 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1658 Abv->Add(BitCodeAbbrevOp(0)); // Linkage 1659 Abv->Add(BitCodeAbbrevOp(0)); // HasInit 1660 Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo 1661 // ParmVarDecl 1662 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsObjCMethodParameter 1663 Abv->Add(BitCodeAbbrevOp(0)); // ScopeDepth 1664 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex 1665 Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier 1666 Abv->Add(BitCodeAbbrevOp(0)); // KNRPromoted 1667 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg 1668 Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg 1669 // Type Source Info 1670 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1671 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1672 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1673 DeclParmVarAbbrev = Stream.EmitAbbrev(Abv); 1674 1675 // Abbreviation for DECL_TYPEDEF 1676 Abv = new BitCodeAbbrev(); 1677 Abv->Add(BitCodeAbbrevOp(serialization::DECL_TYPEDEF)); 1678 // Redeclarable 1679 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1680 // Decl 1681 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1682 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1683 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1684 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1685 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1686 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isUsed 1687 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isReferenced 1688 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1689 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // C++ AccessSpecifier 1690 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1691 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1692 // NamedDecl 1693 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1694 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1695 // TypeDecl 1696 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1697 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1698 // TypedefDecl 1699 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1700 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1701 DeclTypedefAbbrev = Stream.EmitAbbrev(Abv); 1702 1703 // Abbreviation for DECL_VAR 1704 Abv = new BitCodeAbbrev(); 1705 Abv->Add(BitCodeAbbrevOp(serialization::DECL_VAR)); 1706 // Redeclarable 1707 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1708 // Decl 1709 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1710 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1711 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1712 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1713 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1714 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1715 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1716 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1717 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1718 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1719 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1720 // NamedDecl 1721 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1722 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1723 // ValueDecl 1724 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1725 // DeclaratorDecl 1726 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1727 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1728 // VarDecl 1729 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // StorageClass 1730 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getTSCSpec 1731 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // CXXDirectInitializer 1732 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isExceptionVariable 1733 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isNRVOVariable 1734 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCXXForRangeDecl 1735 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong 1736 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1737 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1738 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1739 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1740 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasInit 1741 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasMemberSpecInfo 1742 // Type Source Info 1743 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1744 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1745 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1746 DeclVarAbbrev = Stream.EmitAbbrev(Abv); 1747 1748 // Abbreviation for DECL_CXX_METHOD 1749 Abv = new BitCodeAbbrev(); 1750 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CXX_METHOD)); 1751 // RedeclarableDecl 1752 Abv->Add(BitCodeAbbrevOp(0)); // CanonicalDecl 1753 // Decl 1754 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1755 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1756 Abv->Add(BitCodeAbbrevOp(0)); // Invalid 1757 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1758 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Implicit 1759 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Used 1760 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Referenced 1761 Abv->Add(BitCodeAbbrevOp(0)); // InObjCContainer 1762 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Access 1763 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ModulePrivate 1764 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1765 // NamedDecl 1766 Abv->Add(BitCodeAbbrevOp(DeclarationName::Identifier)); // NameKind 1767 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Identifier 1768 // ValueDecl 1769 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1770 // DeclaratorDecl 1771 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerLocStart 1772 Abv->Add(BitCodeAbbrevOp(0)); // HasExtInfo 1773 // FunctionDecl 1774 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 11)); // IDNS 1775 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // StorageClass 1776 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Inline 1777 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InlineSpecified 1778 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // VirtualAsWritten 1779 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Pure 1780 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedProto 1781 Abv->Add(BitCodeAbbrevOp(1)); // HasWrittenProto 1782 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // DeletedAsWritten 1783 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Trivial 1784 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Defaulted 1785 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ExplicitlyDefaulted 1786 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ImplicitReturnZero 1787 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constexpr 1788 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // SkippedBody 1789 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // LateParsed 1790 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1791 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LocEnd 1792 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // TemplateKind 1793 // This Array slurps the rest of the record. Fortunately we want to encode 1794 // (nearly) all the remaining (variable number of) fields in the same way. 1795 // 1796 // This is the function template information if any, then 1797 // NumParams and Params[] from FunctionDecl, and 1798 // NumOverriddenMethods, OverriddenMethods[] from CXXMethodDecl. 1799 // 1800 // Add an AbbrevOp for 'size then elements' and use it here. 1801 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1802 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1803 DeclCXXMethodAbbrev = Stream.EmitAbbrev(Abv); 1804 1805 // Abbreviation for EXPR_DECL_REF 1806 Abv = new BitCodeAbbrev(); 1807 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_DECL_REF)); 1808 //Stmt 1809 //Expr 1810 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1811 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1812 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1813 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1814 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1815 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1816 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1817 //DeclRefExpr 1818 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HasQualifier 1819 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //GetDeclFound 1820 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ExplicitTemplateArgs 1821 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HadMultipleCandidates 1822 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //RefersToEnclosingLocal 1823 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef 1824 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1825 DeclRefExprAbbrev = Stream.EmitAbbrev(Abv); 1826 1827 // Abbreviation for EXPR_INTEGER_LITERAL 1828 Abv = new BitCodeAbbrev(); 1829 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL)); 1830 //Stmt 1831 //Expr 1832 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1833 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1834 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1835 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1836 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1837 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1838 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1839 //Integer Literal 1840 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1841 Abv->Add(BitCodeAbbrevOp(32)); // Bit Width 1842 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value 1843 IntegerLiteralAbbrev = Stream.EmitAbbrev(Abv); 1844 1845 // Abbreviation for EXPR_CHARACTER_LITERAL 1846 Abv = new BitCodeAbbrev(); 1847 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL)); 1848 //Stmt 1849 //Expr 1850 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1851 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1852 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1853 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1854 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1855 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1856 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1857 //Character Literal 1858 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue 1859 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1860 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getKind 1861 CharacterLiteralAbbrev = Stream.EmitAbbrev(Abv); 1862 1863 // Abbreviation for EXPR_IMPLICIT_CAST 1864 Abv = new BitCodeAbbrev(); 1865 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_IMPLICIT_CAST)); 1866 // Stmt 1867 // Expr 1868 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1869 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1870 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1871 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1872 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1873 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1874 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1875 // CastExpr 1876 Abv->Add(BitCodeAbbrevOp(0)); // PathSize 1877 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 6)); // CastKind 1878 // ImplicitCastExpr 1879 ExprImplicitCastAbbrev = Stream.EmitAbbrev(Abv); 1880 1881 Abv = new BitCodeAbbrev(); 1882 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL)); 1883 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1884 DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abv); 1885 1886 Abv = new BitCodeAbbrev(); 1887 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE)); 1888 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); 1889 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1890 DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(Abv); 1891 } 1892 1893 /// isRequiredDecl - Check if this is a "required" Decl, which must be seen by 1894 /// consumers of the AST. 1895 /// 1896 /// Such decls will always be deserialized from the AST file, so we would like 1897 /// this to be as restrictive as possible. Currently the predicate is driven by 1898 /// code generation requirements, if other clients have a different notion of 1899 /// what is "required" then we may have to consider an alternate scheme where 1900 /// clients can iterate over the top-level decls and get information on them, 1901 /// without necessary deserializing them. We could explicitly require such 1902 /// clients to use a separate API call to "realize" the decl. This should be 1903 /// relatively painless since they would presumably only do it for top-level 1904 /// decls. 1905 static bool isRequiredDecl(const Decl *D, ASTContext &Context) { 1906 // An ObjCMethodDecl is never considered as "required" because its 1907 // implementation container always is. 1908 1909 // File scoped assembly or obj-c implementation must be seen. ImportDecl is 1910 // used by codegen to determine the set of imported modules to search for 1911 // inputs for automatic linking. 1912 if (isa<FileScopeAsmDecl>(D) || isa<ObjCImplDecl>(D) || isa<ImportDecl>(D)) 1913 return true; 1914 1915 return Context.DeclMustBeEmitted(D); 1916 } 1917 1918 void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { 1919 // Switch case IDs are per Decl. 1920 ClearSwitchCaseIDs(); 1921 1922 RecordData Record; 1923 ASTDeclWriter W(*this, Context, Record); 1924 1925 // Determine the ID for this declaration. 1926 serialization::DeclID ID; 1927 if (D->isFromASTFile()) 1928 ID = getDeclID(D); 1929 else { 1930 serialization::DeclID &IDR = DeclIDs[D]; 1931 if (IDR == 0) 1932 IDR = NextDeclID++; 1933 1934 ID= IDR; 1935 } 1936 1937 bool isReplacingADecl = ID < FirstDeclID; 1938 1939 // If this declaration is also a DeclContext, write blocks for the 1940 // declarations that lexically stored inside its context and those 1941 // declarations that are visible from its context. These blocks 1942 // are written before the declaration itself so that we can put 1943 // their offsets into the record for the declaration. 1944 uint64_t LexicalOffset = 0; 1945 uint64_t VisibleOffset = 0; 1946 DeclContext *DC = dyn_cast<DeclContext>(D); 1947 if (DC) { 1948 if (isReplacingADecl) { 1949 // It is replacing a decl from a chained PCH; make sure that the 1950 // DeclContext is fully loaded. 1951 if (DC->hasExternalLexicalStorage()) 1952 DC->LoadLexicalDeclsFromExternalStorage(); 1953 if (DC->hasExternalVisibleStorage()) 1954 Chain->completeVisibleDeclsMap(DC); 1955 } 1956 LexicalOffset = WriteDeclContextLexicalBlock(Context, DC); 1957 VisibleOffset = WriteDeclContextVisibleBlock(Context, DC); 1958 } 1959 1960 if (isReplacingADecl) { 1961 // We're replacing a decl in a previous file. 1962 ReplacedDecls.push_back(ReplacedDeclInfo(ID, Stream.GetCurrentBitNo(), 1963 D->getLocation())); 1964 } else { 1965 unsigned Index = ID - FirstDeclID; 1966 1967 // Record the offset for this declaration 1968 SourceLocation Loc = D->getLocation(); 1969 if (DeclOffsets.size() == Index) 1970 DeclOffsets.push_back(DeclOffset(Loc, Stream.GetCurrentBitNo())); 1971 else if (DeclOffsets.size() < Index) { 1972 DeclOffsets.resize(Index+1); 1973 DeclOffsets[Index].setLocation(Loc); 1974 DeclOffsets[Index].BitOffset = Stream.GetCurrentBitNo(); 1975 } 1976 1977 SourceManager &SM = Context.getSourceManager(); 1978 if (Loc.isValid() && SM.isLocalSourceLocation(Loc)) 1979 associateDeclWithFile(D, ID); 1980 } 1981 1982 // Build and emit a record for this declaration 1983 Record.clear(); 1984 W.Code = (serialization::DeclCode)0; 1985 W.AbbrevToUse = 0; 1986 W.Visit(D); 1987 if (DC) W.VisitDeclContext(DC, LexicalOffset, VisibleOffset); 1988 1989 if (!W.Code) 1990 llvm::report_fatal_error(StringRef("unexpected declaration kind '") + 1991 D->getDeclKindName() + "'"); 1992 Stream.EmitRecord(W.Code, Record, W.AbbrevToUse); 1993 1994 // Flush any expressions that were written as part of this declaration. 1995 FlushStmts(); 1996 1997 // Flush C++ base specifiers, if there are any. 1998 FlushCXXBaseSpecifiers(); 1999 2000 // Note declarations that should be deserialized eagerly so that we can add 2001 // them to a record in the AST file later. 2002 if (isRequiredDecl(D, Context)) 2003 EagerlyDeserializedDecls.push_back(ID); 2004 } 2005 2006 void ASTWriter::AddFunctionDefinition(const FunctionDecl *FD, 2007 RecordData &Record) { 2008 ClearSwitchCaseIDs(); 2009 2010 ASTDeclWriter W(*this, FD->getASTContext(), Record); 2011 W.AddFunctionDefinition(FD); 2012 } 2013