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 Writer.AddDeclRef(D->getDescribedAliasTemplate(), Record); 240 Code = serialization::DECL_TYPEALIAS; 241 } 242 243 void ASTDeclWriter::VisitTagDecl(TagDecl *D) { 244 VisitRedeclarable(D); 245 VisitTypeDecl(D); 246 Record.push_back(D->getIdentifierNamespace()); 247 Record.push_back((unsigned)D->getTagKind()); // FIXME: stable encoding 248 Record.push_back(D->isCompleteDefinition()); 249 Record.push_back(D->isEmbeddedInDeclarator()); 250 Record.push_back(D->isFreeStanding()); 251 Record.push_back(D->isCompleteDefinitionRequired()); 252 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 253 Record.push_back(D->hasExtInfo()); 254 if (D->hasExtInfo()) 255 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 256 else if (D->hasDeclaratorForAnonDecl()) 257 Writer.AddDeclRef(D->getDeclaratorForAnonDecl(), Record); 258 else 259 Writer.AddDeclRef(D->getTypedefNameForAnonDecl(), Record); 260 } 261 262 void ASTDeclWriter::VisitEnumDecl(EnumDecl *D) { 263 VisitTagDecl(D); 264 Writer.AddTypeSourceInfo(D->getIntegerTypeSourceInfo(), Record); 265 if (!D->getIntegerTypeSourceInfo()) 266 Writer.AddTypeRef(D->getIntegerType(), Record); 267 Writer.AddTypeRef(D->getPromotionType(), Record); 268 Record.push_back(D->getNumPositiveBits()); 269 Record.push_back(D->getNumNegativeBits()); 270 Record.push_back(D->isScoped()); 271 Record.push_back(D->isScopedUsingClassTag()); 272 Record.push_back(D->isFixed()); 273 if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { 274 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 275 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 276 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 277 } else { 278 Writer.AddDeclRef(nullptr, Record); 279 } 280 281 if (!D->hasAttrs() && 282 !D->isImplicit() && 283 !D->isUsed(false) && 284 !D->hasExtInfo() && 285 D->getFirstDecl() == D->getMostRecentDecl() && 286 !D->isInvalidDecl() && 287 !D->isReferenced() && 288 !D->isTopLevelDeclInObjCContainer() && 289 D->getAccess() == AS_none && 290 !D->isModulePrivate() && 291 !CXXRecordDecl::classofKind(D->getKind()) && 292 !D->getIntegerTypeSourceInfo() && 293 !D->getMemberSpecializationInfo() && 294 D->getDeclName().getNameKind() == DeclarationName::Identifier) 295 AbbrevToUse = Writer.getDeclEnumAbbrev(); 296 297 Code = serialization::DECL_ENUM; 298 } 299 300 void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) { 301 VisitTagDecl(D); 302 Record.push_back(D->hasFlexibleArrayMember()); 303 Record.push_back(D->isAnonymousStructOrUnion()); 304 Record.push_back(D->hasObjectMember()); 305 Record.push_back(D->hasVolatileMember()); 306 307 if (!D->hasAttrs() && 308 !D->isImplicit() && 309 !D->isUsed(false) && 310 !D->hasExtInfo() && 311 D->getFirstDecl() == D->getMostRecentDecl() && 312 !D->isInvalidDecl() && 313 !D->isReferenced() && 314 !D->isTopLevelDeclInObjCContainer() && 315 D->getAccess() == AS_none && 316 !D->isModulePrivate() && 317 !CXXRecordDecl::classofKind(D->getKind()) && 318 D->getDeclName().getNameKind() == DeclarationName::Identifier) 319 AbbrevToUse = Writer.getDeclRecordAbbrev(); 320 321 Code = serialization::DECL_RECORD; 322 } 323 324 void ASTDeclWriter::VisitValueDecl(ValueDecl *D) { 325 VisitNamedDecl(D); 326 Writer.AddTypeRef(D->getType(), Record); 327 } 328 329 void ASTDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) { 330 VisitValueDecl(D); 331 Record.push_back(D->getInitExpr()? 1 : 0); 332 if (D->getInitExpr()) 333 Writer.AddStmt(D->getInitExpr()); 334 Writer.AddAPSInt(D->getInitVal(), Record); 335 336 Code = serialization::DECL_ENUM_CONSTANT; 337 } 338 339 void ASTDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) { 340 VisitValueDecl(D); 341 Writer.AddSourceLocation(D->getInnerLocStart(), Record); 342 Record.push_back(D->hasExtInfo()); 343 if (D->hasExtInfo()) 344 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 345 } 346 347 void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) { 348 VisitRedeclarable(D); 349 VisitDeclaratorDecl(D); 350 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 351 Record.push_back(D->getIdentifierNamespace()); 352 353 // FunctionDecl's body is handled last at ASTWriterDecl::Visit, 354 // after everything else is written. 355 356 Record.push_back(D->getStorageClass()); // FIXME: stable encoding 357 Record.push_back(D->IsInline); 358 Record.push_back(D->isInlineSpecified()); 359 Record.push_back(D->isVirtualAsWritten()); 360 Record.push_back(D->isPure()); 361 Record.push_back(D->hasInheritedPrototype()); 362 Record.push_back(D->hasWrittenPrototype()); 363 Record.push_back(D->isDeletedAsWritten()); 364 Record.push_back(D->isTrivial()); 365 Record.push_back(D->isDefaulted()); 366 Record.push_back(D->isExplicitlyDefaulted()); 367 Record.push_back(D->hasImplicitReturnZero()); 368 Record.push_back(D->isConstexpr()); 369 Record.push_back(D->HasSkippedBody); 370 Record.push_back(D->isLateTemplateParsed()); 371 Record.push_back(D->getLinkageInternal()); 372 Writer.AddSourceLocation(D->getLocEnd(), Record); 373 374 Record.push_back(D->getTemplatedKind()); 375 switch (D->getTemplatedKind()) { 376 case FunctionDecl::TK_NonTemplate: 377 break; 378 case FunctionDecl::TK_FunctionTemplate: 379 Writer.AddDeclRef(D->getDescribedFunctionTemplate(), Record); 380 break; 381 case FunctionDecl::TK_MemberSpecialization: { 382 MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo(); 383 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 384 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 385 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 386 break; 387 } 388 case FunctionDecl::TK_FunctionTemplateSpecialization: { 389 FunctionTemplateSpecializationInfo * 390 FTSInfo = D->getTemplateSpecializationInfo(); 391 Writer.AddDeclRef(FTSInfo->getTemplate(), Record); 392 Record.push_back(FTSInfo->getTemplateSpecializationKind()); 393 394 // Template arguments. 395 Writer.AddTemplateArgumentList(FTSInfo->TemplateArguments, Record); 396 397 // Template args as written. 398 Record.push_back(FTSInfo->TemplateArgumentsAsWritten != nullptr); 399 if (FTSInfo->TemplateArgumentsAsWritten) { 400 Record.push_back(FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs); 401 for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs; 402 i!=e; ++i) 403 Writer.AddTemplateArgumentLoc((*FTSInfo->TemplateArgumentsAsWritten)[i], 404 Record); 405 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->LAngleLoc, 406 Record); 407 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->RAngleLoc, 408 Record); 409 } 410 411 Writer.AddSourceLocation(FTSInfo->getPointOfInstantiation(), Record); 412 413 if (D->isCanonicalDecl()) { 414 // Write the template that contains the specializations set. We will 415 // add a FunctionTemplateSpecializationInfo to it when reading. 416 Writer.AddDeclRef(FTSInfo->getTemplate()->getCanonicalDecl(), Record); 417 } 418 break; 419 } 420 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { 421 DependentFunctionTemplateSpecializationInfo * 422 DFTSInfo = D->getDependentSpecializationInfo(); 423 424 // Templates. 425 Record.push_back(DFTSInfo->getNumTemplates()); 426 for (int i=0, e = DFTSInfo->getNumTemplates(); i != e; ++i) 427 Writer.AddDeclRef(DFTSInfo->getTemplate(i), Record); 428 429 // Templates args. 430 Record.push_back(DFTSInfo->getNumTemplateArgs()); 431 for (int i=0, e = DFTSInfo->getNumTemplateArgs(); i != e; ++i) 432 Writer.AddTemplateArgumentLoc(DFTSInfo->getTemplateArg(i), Record); 433 Writer.AddSourceLocation(DFTSInfo->getLAngleLoc(), Record); 434 Writer.AddSourceLocation(DFTSInfo->getRAngleLoc(), Record); 435 break; 436 } 437 } 438 439 Record.push_back(D->param_size()); 440 for (auto P : D->params()) 441 Writer.AddDeclRef(P, Record); 442 Code = serialization::DECL_FUNCTION; 443 } 444 445 void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) { 446 VisitNamedDecl(D); 447 // FIXME: convert to LazyStmtPtr? 448 // Unlike C/C++, method bodies will never be in header files. 449 bool HasBodyStuff = D->getBody() != nullptr || 450 D->getSelfDecl() != nullptr || D->getCmdDecl() != nullptr; 451 Record.push_back(HasBodyStuff); 452 if (HasBodyStuff) { 453 Writer.AddStmt(D->getBody()); 454 Writer.AddDeclRef(D->getSelfDecl(), Record); 455 Writer.AddDeclRef(D->getCmdDecl(), Record); 456 } 457 Record.push_back(D->isInstanceMethod()); 458 Record.push_back(D->isVariadic()); 459 Record.push_back(D->isPropertyAccessor()); 460 Record.push_back(D->isDefined()); 461 Record.push_back(D->IsOverriding); 462 Record.push_back(D->HasSkippedBody); 463 464 Record.push_back(D->IsRedeclaration); 465 Record.push_back(D->HasRedeclaration); 466 if (D->HasRedeclaration) { 467 assert(Context.getObjCMethodRedeclaration(D)); 468 Writer.AddDeclRef(Context.getObjCMethodRedeclaration(D), Record); 469 } 470 471 // FIXME: stable encoding for @required/@optional 472 Record.push_back(D->getImplementationControl()); 473 // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway 474 Record.push_back(D->getObjCDeclQualifier()); 475 Record.push_back(D->hasRelatedResultType()); 476 Writer.AddTypeRef(D->getReturnType(), Record); 477 Writer.AddTypeSourceInfo(D->getReturnTypeSourceInfo(), Record); 478 Writer.AddSourceLocation(D->getLocEnd(), Record); 479 Record.push_back(D->param_size()); 480 for (const auto *P : D->params()) 481 Writer.AddDeclRef(P, Record); 482 483 Record.push_back(D->SelLocsKind); 484 unsigned NumStoredSelLocs = D->getNumStoredSelLocs(); 485 SourceLocation *SelLocs = D->getStoredSelLocs(); 486 Record.push_back(NumStoredSelLocs); 487 for (unsigned i = 0; i != NumStoredSelLocs; ++i) 488 Writer.AddSourceLocation(SelLocs[i], Record); 489 490 Code = serialization::DECL_OBJC_METHOD; 491 } 492 493 void ASTDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) { 494 VisitNamedDecl(D); 495 Writer.AddSourceLocation(D->getAtStartLoc(), Record); 496 Writer.AddSourceRange(D->getAtEndRange(), Record); 497 // Abstract class (no need to define a stable serialization::DECL code). 498 } 499 500 void ASTDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { 501 VisitRedeclarable(D); 502 VisitObjCContainerDecl(D); 503 Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record); 504 505 Record.push_back(D->isThisDeclarationADefinition()); 506 if (D->isThisDeclarationADefinition()) { 507 // Write the DefinitionData 508 ObjCInterfaceDecl::DefinitionData &Data = D->data(); 509 510 Writer.AddDeclRef(D->getSuperClass(), Record); 511 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 512 Writer.AddSourceLocation(D->getEndOfDefinitionLoc(), Record); 513 Record.push_back(Data.HasDesignatedInitializers); 514 515 // Write out the protocols that are directly referenced by the @interface. 516 Record.push_back(Data.ReferencedProtocols.size()); 517 for (const auto *P : D->protocols()) 518 Writer.AddDeclRef(P, Record); 519 for (const auto &PL : D->protocol_locs()) 520 Writer.AddSourceLocation(PL, Record); 521 522 // Write out the protocols that are transitively referenced. 523 Record.push_back(Data.AllReferencedProtocols.size()); 524 for (ObjCList<ObjCProtocolDecl>::iterator 525 P = Data.AllReferencedProtocols.begin(), 526 PEnd = Data.AllReferencedProtocols.end(); 527 P != PEnd; ++P) 528 Writer.AddDeclRef(*P, Record); 529 530 531 if (ObjCCategoryDecl *Cat = D->getCategoryListRaw()) { 532 // Ensure that we write out the set of categories for this class. 533 Writer.ObjCClassesWithCategories.insert(D); 534 535 // Make sure that the categories get serialized. 536 for (; Cat; Cat = Cat->getNextClassCategoryRaw()) 537 (void)Writer.GetDeclRef(Cat); 538 } 539 } 540 541 Code = serialization::DECL_OBJC_INTERFACE; 542 } 543 544 void ASTDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) { 545 VisitFieldDecl(D); 546 // FIXME: stable encoding for @public/@private/@protected/@package 547 Record.push_back(D->getAccessControl()); 548 Record.push_back(D->getSynthesize()); 549 550 if (!D->hasAttrs() && 551 !D->isImplicit() && 552 !D->isUsed(false) && 553 !D->isInvalidDecl() && 554 !D->isReferenced() && 555 !D->isModulePrivate() && 556 !D->getBitWidth() && 557 !D->hasExtInfo() && 558 D->getDeclName()) 559 AbbrevToUse = Writer.getDeclObjCIvarAbbrev(); 560 561 Code = serialization::DECL_OBJC_IVAR; 562 } 563 564 void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { 565 VisitRedeclarable(D); 566 VisitObjCContainerDecl(D); 567 568 Record.push_back(D->isThisDeclarationADefinition()); 569 if (D->isThisDeclarationADefinition()) { 570 Record.push_back(D->protocol_size()); 571 for (const auto *I : D->protocols()) 572 Writer.AddDeclRef(I, Record); 573 for (const auto &PL : D->protocol_locs()) 574 Writer.AddSourceLocation(PL, Record); 575 } 576 577 Code = serialization::DECL_OBJC_PROTOCOL; 578 } 579 580 void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) { 581 VisitFieldDecl(D); 582 Code = serialization::DECL_OBJC_AT_DEFS_FIELD; 583 } 584 585 void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { 586 VisitObjCContainerDecl(D); 587 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 588 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 589 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 590 Writer.AddDeclRef(D->getClassInterface(), Record); 591 Record.push_back(D->protocol_size()); 592 for (const auto *I : D->protocols()) 593 Writer.AddDeclRef(I, Record); 594 for (const auto &PL : D->protocol_locs()) 595 Writer.AddSourceLocation(PL, Record); 596 Code = serialization::DECL_OBJC_CATEGORY; 597 } 598 599 void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) { 600 VisitNamedDecl(D); 601 Writer.AddDeclRef(D->getClassInterface(), Record); 602 Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS; 603 } 604 605 void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { 606 VisitNamedDecl(D); 607 Writer.AddSourceLocation(D->getAtLoc(), Record); 608 Writer.AddSourceLocation(D->getLParenLoc(), Record); 609 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 610 // FIXME: stable encoding 611 Record.push_back((unsigned)D->getPropertyAttributes()); 612 Record.push_back((unsigned)D->getPropertyAttributesAsWritten()); 613 // FIXME: stable encoding 614 Record.push_back((unsigned)D->getPropertyImplementation()); 615 Writer.AddDeclarationName(D->getGetterName(), Record); 616 Writer.AddDeclarationName(D->getSetterName(), Record); 617 Writer.AddDeclRef(D->getGetterMethodDecl(), Record); 618 Writer.AddDeclRef(D->getSetterMethodDecl(), Record); 619 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 620 Code = serialization::DECL_OBJC_PROPERTY; 621 } 622 623 void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) { 624 VisitObjCContainerDecl(D); 625 Writer.AddDeclRef(D->getClassInterface(), Record); 626 // Abstract class (no need to define a stable serialization::DECL code). 627 } 628 629 void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { 630 VisitObjCImplDecl(D); 631 Writer.AddIdentifierRef(D->getIdentifier(), Record); 632 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 633 Code = serialization::DECL_OBJC_CATEGORY_IMPL; 634 } 635 636 void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { 637 VisitObjCImplDecl(D); 638 Writer.AddDeclRef(D->getSuperClass(), Record); 639 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 640 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 641 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 642 Record.push_back(D->hasNonZeroConstructors()); 643 Record.push_back(D->hasDestructors()); 644 Writer.AddCXXCtorInitializers(D->IvarInitializers, D->NumIvarInitializers, 645 Record); 646 Code = serialization::DECL_OBJC_IMPLEMENTATION; 647 } 648 649 void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { 650 VisitDecl(D); 651 Writer.AddSourceLocation(D->getLocStart(), Record); 652 Writer.AddDeclRef(D->getPropertyDecl(), Record); 653 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 654 Writer.AddSourceLocation(D->getPropertyIvarDeclLoc(), Record); 655 Writer.AddStmt(D->getGetterCXXConstructor()); 656 Writer.AddStmt(D->getSetterCXXAssignment()); 657 Code = serialization::DECL_OBJC_PROPERTY_IMPL; 658 } 659 660 void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) { 661 VisitDeclaratorDecl(D); 662 Record.push_back(D->isMutable()); 663 if (D->InitializerOrBitWidth.getInt() != ICIS_NoInit || 664 D->InitializerOrBitWidth.getPointer()) { 665 Record.push_back(D->InitializerOrBitWidth.getInt() + 1); 666 Writer.AddStmt(D->InitializerOrBitWidth.getPointer()); 667 } else { 668 Record.push_back(0); 669 } 670 if (!D->getDeclName()) 671 Writer.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D), Record); 672 673 if (!D->hasAttrs() && 674 !D->isImplicit() && 675 !D->isUsed(false) && 676 !D->isInvalidDecl() && 677 !D->isReferenced() && 678 !D->isTopLevelDeclInObjCContainer() && 679 !D->isModulePrivate() && 680 !D->getBitWidth() && 681 !D->hasInClassInitializer() && 682 !D->hasExtInfo() && 683 !ObjCIvarDecl::classofKind(D->getKind()) && 684 !ObjCAtDefsFieldDecl::classofKind(D->getKind()) && 685 D->getDeclName()) 686 AbbrevToUse = Writer.getDeclFieldAbbrev(); 687 688 Code = serialization::DECL_FIELD; 689 } 690 691 void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) { 692 VisitDeclaratorDecl(D); 693 Writer.AddIdentifierRef(D->getGetterId(), Record); 694 Writer.AddIdentifierRef(D->getSetterId(), Record); 695 Code = serialization::DECL_MS_PROPERTY; 696 } 697 698 void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { 699 VisitValueDecl(D); 700 Record.push_back(D->getChainingSize()); 701 702 for (const auto *P : D->chain()) 703 Writer.AddDeclRef(P, Record); 704 Code = serialization::DECL_INDIRECTFIELD; 705 } 706 707 void ASTDeclWriter::VisitVarDecl(VarDecl *D) { 708 VisitRedeclarable(D); 709 VisitDeclaratorDecl(D); 710 Record.push_back(D->getStorageClass()); 711 Record.push_back(D->getTSCSpec()); 712 Record.push_back(D->getInitStyle()); 713 Record.push_back(D->isExceptionVariable()); 714 Record.push_back(D->isNRVOVariable()); 715 Record.push_back(D->isCXXForRangeDecl()); 716 Record.push_back(D->isARCPseudoStrong()); 717 Record.push_back(D->isConstexpr()); 718 Record.push_back(D->isInitCapture()); 719 Record.push_back(D->isPreviousDeclInSameBlockScope()); 720 Record.push_back(D->getLinkageInternal()); 721 722 if (D->getInit()) { 723 Record.push_back(!D->isInitKnownICE() ? 1 : (D->isInitICE() ? 3 : 2)); 724 Writer.AddStmt(D->getInit()); 725 } else { 726 Record.push_back(0); 727 } 728 729 enum { 730 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization 731 }; 732 if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) { 733 Record.push_back(VarTemplate); 734 Writer.AddDeclRef(TemplD, Record); 735 } else if (MemberSpecializationInfo *SpecInfo 736 = D->getMemberSpecializationInfo()) { 737 Record.push_back(StaticDataMemberSpecialization); 738 Writer.AddDeclRef(SpecInfo->getInstantiatedFrom(), Record); 739 Record.push_back(SpecInfo->getTemplateSpecializationKind()); 740 Writer.AddSourceLocation(SpecInfo->getPointOfInstantiation(), Record); 741 } else { 742 Record.push_back(VarNotTemplate); 743 } 744 745 if (!D->hasAttrs() && 746 !D->isImplicit() && 747 !D->isUsed(false) && 748 !D->isInvalidDecl() && 749 !D->isReferenced() && 750 !D->isTopLevelDeclInObjCContainer() && 751 D->getAccess() == AS_none && 752 !D->isModulePrivate() && 753 D->getDeclName().getNameKind() == DeclarationName::Identifier && 754 !D->hasExtInfo() && 755 D->getFirstDecl() == D->getMostRecentDecl() && 756 D->getInitStyle() == VarDecl::CInit && 757 D->getInit() == nullptr && 758 !isa<ParmVarDecl>(D) && 759 !isa<VarTemplateSpecializationDecl>(D) && 760 !D->isConstexpr() && 761 !D->isInitCapture() && 762 !D->isPreviousDeclInSameBlockScope() && 763 !D->getMemberSpecializationInfo()) 764 AbbrevToUse = Writer.getDeclVarAbbrev(); 765 766 Code = serialization::DECL_VAR; 767 } 768 769 void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) { 770 VisitVarDecl(D); 771 Code = serialization::DECL_IMPLICIT_PARAM; 772 } 773 774 void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) { 775 VisitVarDecl(D); 776 Record.push_back(D->isObjCMethodParameter()); 777 Record.push_back(D->getFunctionScopeDepth()); 778 Record.push_back(D->getFunctionScopeIndex()); 779 Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding 780 Record.push_back(D->isKNRPromoted()); 781 Record.push_back(D->hasInheritedDefaultArg()); 782 Record.push_back(D->hasUninstantiatedDefaultArg()); 783 if (D->hasUninstantiatedDefaultArg()) 784 Writer.AddStmt(D->getUninstantiatedDefaultArg()); 785 Code = serialization::DECL_PARM_VAR; 786 787 assert(!D->isARCPseudoStrong()); // can be true of ImplicitParamDecl 788 789 // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here 790 // we dynamically check for the properties that we optimize for, but don't 791 // know are true of all PARM_VAR_DECLs. 792 if (!D->hasAttrs() && 793 !D->hasExtInfo() && 794 !D->isImplicit() && 795 !D->isUsed(false) && 796 !D->isInvalidDecl() && 797 !D->isReferenced() && 798 D->getAccess() == AS_none && 799 !D->isModulePrivate() && 800 D->getStorageClass() == 0 && 801 D->getInitStyle() == VarDecl::CInit && // Can params have anything else? 802 D->getFunctionScopeDepth() == 0 && 803 D->getObjCDeclQualifier() == 0 && 804 !D->isKNRPromoted() && 805 !D->hasInheritedDefaultArg() && 806 D->getInit() == nullptr && 807 !D->hasUninstantiatedDefaultArg()) // No default expr. 808 AbbrevToUse = Writer.getDeclParmVarAbbrev(); 809 810 // Check things we know are true of *every* PARM_VAR_DECL, which is more than 811 // just us assuming it. 812 assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS"); 813 assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private"); 814 assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var"); 815 assert(D->getPreviousDecl() == nullptr && "PARM_VAR_DECL can't be redecl"); 816 assert(!D->isStaticDataMember() && 817 "PARM_VAR_DECL can't be static data member"); 818 } 819 820 void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { 821 VisitDecl(D); 822 Writer.AddStmt(D->getAsmString()); 823 Writer.AddSourceLocation(D->getRParenLoc(), Record); 824 Code = serialization::DECL_FILE_SCOPE_ASM; 825 } 826 827 void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) { 828 VisitDecl(D); 829 Code = serialization::DECL_EMPTY; 830 } 831 832 void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) { 833 VisitDecl(D); 834 Writer.AddStmt(D->getBody()); 835 Writer.AddTypeSourceInfo(D->getSignatureAsWritten(), Record); 836 Record.push_back(D->param_size()); 837 for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end(); 838 P != PEnd; ++P) 839 Writer.AddDeclRef(*P, Record); 840 Record.push_back(D->isVariadic()); 841 Record.push_back(D->blockMissingReturnType()); 842 Record.push_back(D->isConversionFromLambda()); 843 Record.push_back(D->capturesCXXThis()); 844 Record.push_back(D->getNumCaptures()); 845 for (const auto &capture : D->captures()) { 846 Writer.AddDeclRef(capture.getVariable(), Record); 847 848 unsigned flags = 0; 849 if (capture.isByRef()) flags |= 1; 850 if (capture.isNested()) flags |= 2; 851 if (capture.hasCopyExpr()) flags |= 4; 852 Record.push_back(flags); 853 854 if (capture.hasCopyExpr()) Writer.AddStmt(capture.getCopyExpr()); 855 } 856 857 Code = serialization::DECL_BLOCK; 858 } 859 860 void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) { 861 Record.push_back(CD->getNumParams()); 862 VisitDecl(CD); 863 Record.push_back(CD->getContextParamPosition()); 864 Record.push_back(CD->isNothrow() ? 1 : 0); 865 // Body is stored by VisitCapturedStmt. 866 for (unsigned I = 0; I < CD->getNumParams(); ++I) 867 Writer.AddDeclRef(CD->getParam(I), Record); 868 Code = serialization::DECL_CAPTURED; 869 } 870 871 void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { 872 VisitDecl(D); 873 Record.push_back(D->getLanguage()); 874 Writer.AddSourceLocation(D->getExternLoc(), Record); 875 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 876 Code = serialization::DECL_LINKAGE_SPEC; 877 } 878 879 void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) { 880 VisitNamedDecl(D); 881 Writer.AddSourceLocation(D->getLocStart(), Record); 882 Code = serialization::DECL_LABEL; 883 } 884 885 886 void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) { 887 VisitRedeclarable(D); 888 VisitNamedDecl(D); 889 Record.push_back(D->isInline()); 890 Writer.AddSourceLocation(D->getLocStart(), Record); 891 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 892 893 if (D->isOriginalNamespace()) 894 Writer.AddDeclRef(D->getAnonymousNamespace(), Record); 895 Code = serialization::DECL_NAMESPACE; 896 897 if (Writer.hasChain() && !D->isOriginalNamespace() && 898 D->getOriginalNamespace()->isFromASTFile()) { 899 NamespaceDecl *NS = D->getOriginalNamespace(); 900 Writer.AddUpdatedDeclContext(NS); 901 902 // Make sure all visible decls are written. They will be recorded later. 903 if (StoredDeclsMap *Map = NS->buildLookup()) { 904 for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end(); 905 D != DEnd; ++D) { 906 DeclContext::lookup_result R = D->second.getLookupResult(); 907 for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; 908 ++I) 909 Writer.GetDeclRef(*I); 910 } 911 } 912 } 913 914 if (Writer.hasChain() && D->isAnonymousNamespace() && 915 D == D->getMostRecentDecl()) { 916 // This is a most recent reopening of the anonymous namespace. If its parent 917 // is in a previous PCH (or is the TU), mark that parent for update, because 918 // the original namespace always points to the latest re-opening of its 919 // anonymous namespace. 920 Decl *Parent = cast<Decl>( 921 D->getParent()->getRedeclContext()->getPrimaryContext()); 922 if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Parent)) { 923 Writer.DeclUpdates[Parent].push_back( 924 ASTWriter::DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, D)); 925 } 926 } 927 } 928 929 void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 930 VisitNamedDecl(D); 931 Writer.AddSourceLocation(D->getNamespaceLoc(), Record); 932 Writer.AddSourceLocation(D->getTargetNameLoc(), Record); 933 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 934 Writer.AddDeclRef(D->getNamespace(), Record); 935 Code = serialization::DECL_NAMESPACE_ALIAS; 936 } 937 938 void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) { 939 VisitNamedDecl(D); 940 Writer.AddSourceLocation(D->getUsingLoc(), Record); 941 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 942 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 943 Writer.AddDeclRef(D->FirstUsingShadow.getPointer(), Record); 944 Record.push_back(D->hasTypename()); 945 Writer.AddDeclRef(Context.getInstantiatedFromUsingDecl(D), Record); 946 Code = serialization::DECL_USING; 947 } 948 949 void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) { 950 VisitRedeclarable(D); 951 VisitNamedDecl(D); 952 Writer.AddDeclRef(D->getTargetDecl(), Record); 953 Writer.AddDeclRef(D->UsingOrNextShadow, Record); 954 Writer.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D), Record); 955 Code = serialization::DECL_USING_SHADOW; 956 } 957 958 void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 959 VisitNamedDecl(D); 960 Writer.AddSourceLocation(D->getUsingLoc(), Record); 961 Writer.AddSourceLocation(D->getNamespaceKeyLocation(), Record); 962 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 963 Writer.AddDeclRef(D->getNominatedNamespace(), Record); 964 Writer.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()), Record); 965 Code = serialization::DECL_USING_DIRECTIVE; 966 } 967 968 void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 969 VisitValueDecl(D); 970 Writer.AddSourceLocation(D->getUsingLoc(), Record); 971 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 972 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 973 Code = serialization::DECL_UNRESOLVED_USING_VALUE; 974 } 975 976 void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl( 977 UnresolvedUsingTypenameDecl *D) { 978 VisitTypeDecl(D); 979 Writer.AddSourceLocation(D->getTypenameLoc(), Record); 980 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 981 Code = serialization::DECL_UNRESOLVED_USING_TYPENAME; 982 } 983 984 void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) { 985 VisitRecordDecl(D); 986 987 enum { 988 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization 989 }; 990 if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) { 991 Record.push_back(CXXRecTemplate); 992 Writer.AddDeclRef(TemplD, Record); 993 } else if (MemberSpecializationInfo *MSInfo 994 = D->getMemberSpecializationInfo()) { 995 Record.push_back(CXXRecMemberSpecialization); 996 Writer.AddDeclRef(MSInfo->getInstantiatedFrom(), Record); 997 Record.push_back(MSInfo->getTemplateSpecializationKind()); 998 Writer.AddSourceLocation(MSInfo->getPointOfInstantiation(), Record); 999 } else { 1000 Record.push_back(CXXRecNotTemplate); 1001 } 1002 1003 Record.push_back(D->isThisDeclarationADefinition()); 1004 if (D->isThisDeclarationADefinition()) 1005 Writer.AddCXXDefinitionData(D, Record); 1006 1007 // Store (what we currently believe to be) the key function to avoid 1008 // deserializing every method so we can compute it. 1009 if (D->IsCompleteDefinition) 1010 Writer.AddDeclRef(Context.getCurrentKeyFunction(D), Record); 1011 1012 Code = serialization::DECL_CXX_RECORD; 1013 } 1014 1015 void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) { 1016 VisitFunctionDecl(D); 1017 if (D->isCanonicalDecl()) { 1018 Record.push_back(D->size_overridden_methods()); 1019 for (CXXMethodDecl::method_iterator 1020 I = D->begin_overridden_methods(), E = D->end_overridden_methods(); 1021 I != E; ++I) 1022 Writer.AddDeclRef(*I, Record); 1023 } else { 1024 // We only need to record overridden methods once for the canonical decl. 1025 Record.push_back(0); 1026 } 1027 1028 if (D->getFirstDecl() == D->getMostRecentDecl() && 1029 !D->isInvalidDecl() && 1030 !D->hasAttrs() && 1031 !D->isTopLevelDeclInObjCContainer() && 1032 D->getDeclName().getNameKind() == DeclarationName::Identifier && 1033 !D->hasExtInfo() && 1034 !D->hasInheritedPrototype() && 1035 D->hasWrittenPrototype()) 1036 AbbrevToUse = Writer.getDeclCXXMethodAbbrev(); 1037 1038 Code = serialization::DECL_CXX_METHOD; 1039 } 1040 1041 void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1042 VisitCXXMethodDecl(D); 1043 1044 Writer.AddDeclRef(D->getInheritedConstructor(), Record); 1045 Record.push_back(D->IsExplicitSpecified); 1046 Writer.AddCXXCtorInitializers(D->CtorInitializers, D->NumCtorInitializers, 1047 Record); 1048 1049 Code = serialization::DECL_CXX_CONSTRUCTOR; 1050 } 1051 1052 void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 1053 VisitCXXMethodDecl(D); 1054 1055 Writer.AddDeclRef(D->OperatorDelete, Record); 1056 1057 Code = serialization::DECL_CXX_DESTRUCTOR; 1058 } 1059 1060 void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) { 1061 VisitCXXMethodDecl(D); 1062 Record.push_back(D->IsExplicitSpecified); 1063 Code = serialization::DECL_CXX_CONVERSION; 1064 } 1065 1066 void ASTDeclWriter::VisitImportDecl(ImportDecl *D) { 1067 VisitDecl(D); 1068 Record.push_back(Writer.getSubmoduleID(D->getImportedModule())); 1069 ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs(); 1070 Record.push_back(!IdentifierLocs.empty()); 1071 if (IdentifierLocs.empty()) { 1072 Writer.AddSourceLocation(D->getLocEnd(), Record); 1073 Record.push_back(1); 1074 } else { 1075 for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I) 1076 Writer.AddSourceLocation(IdentifierLocs[I], Record); 1077 Record.push_back(IdentifierLocs.size()); 1078 } 1079 // Note: the number of source locations must always be the last element in 1080 // the record. 1081 Code = serialization::DECL_IMPORT; 1082 } 1083 1084 void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) { 1085 VisitDecl(D); 1086 Writer.AddSourceLocation(D->getColonLoc(), Record); 1087 Code = serialization::DECL_ACCESS_SPEC; 1088 } 1089 1090 void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) { 1091 // Record the number of friend type template parameter lists here 1092 // so as to simplify memory allocation during deserialization. 1093 Record.push_back(D->NumTPLists); 1094 VisitDecl(D); 1095 bool hasFriendDecl = D->Friend.is<NamedDecl*>(); 1096 Record.push_back(hasFriendDecl); 1097 if (hasFriendDecl) 1098 Writer.AddDeclRef(D->getFriendDecl(), Record); 1099 else 1100 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1101 for (unsigned i = 0; i < D->NumTPLists; ++i) 1102 Writer.AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i), 1103 Record); 1104 Writer.AddDeclRef(D->getNextFriend(), Record); 1105 Record.push_back(D->UnsupportedFriend); 1106 Writer.AddSourceLocation(D->FriendLoc, Record); 1107 Code = serialization::DECL_FRIEND; 1108 } 1109 1110 void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) { 1111 VisitDecl(D); 1112 Record.push_back(D->getNumTemplateParameters()); 1113 for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i) 1114 Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record); 1115 Record.push_back(D->getFriendDecl() != nullptr); 1116 if (D->getFriendDecl()) 1117 Writer.AddDeclRef(D->getFriendDecl(), Record); 1118 else 1119 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1120 Writer.AddSourceLocation(D->getFriendLoc(), Record); 1121 Code = serialization::DECL_FRIEND_TEMPLATE; 1122 } 1123 1124 void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) { 1125 VisitNamedDecl(D); 1126 1127 Writer.AddDeclRef(D->getTemplatedDecl(), Record); 1128 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1129 } 1130 1131 void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { 1132 VisitRedeclarable(D); 1133 1134 // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that 1135 // getCommonPtr() can be used while this is still initializing. 1136 if (D->isFirstDecl()) { 1137 // This declaration owns the 'common' pointer, so serialize that data now. 1138 Writer.AddDeclRef(D->getInstantiatedFromMemberTemplate(), Record); 1139 if (D->getInstantiatedFromMemberTemplate()) 1140 Record.push_back(D->isMemberSpecialization()); 1141 } 1142 1143 VisitTemplateDecl(D); 1144 Record.push_back(D->getIdentifierNamespace()); 1145 } 1146 1147 void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) { 1148 VisitRedeclarableTemplateDecl(D); 1149 1150 if (D->isFirstDecl()) { 1151 typedef llvm::FoldingSetVector<ClassTemplateSpecializationDecl> CTSDSetTy; 1152 CTSDSetTy &CTSDSet = D->getSpecializations(); 1153 Record.push_back(CTSDSet.size()); 1154 for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) { 1155 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1156 Writer.AddDeclRef(&*I, Record); 1157 } 1158 1159 typedef llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> 1160 CTPSDSetTy; 1161 CTPSDSetTy &CTPSDSet = D->getPartialSpecializations(); 1162 Record.push_back(CTPSDSet.size()); 1163 for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) { 1164 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1165 Writer.AddDeclRef(&*I, Record); 1166 } 1167 } 1168 Code = serialization::DECL_CLASS_TEMPLATE; 1169 } 1170 1171 void ASTDeclWriter::VisitClassTemplateSpecializationDecl( 1172 ClassTemplateSpecializationDecl *D) { 1173 VisitCXXRecordDecl(D); 1174 1175 llvm::PointerUnion<ClassTemplateDecl *, 1176 ClassTemplatePartialSpecializationDecl *> InstFrom 1177 = D->getSpecializedTemplateOrPartial(); 1178 if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) { 1179 Writer.AddDeclRef(InstFromD, Record); 1180 } else { 1181 Writer.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>(), 1182 Record); 1183 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1184 } 1185 1186 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1187 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1188 Record.push_back(D->getSpecializationKind()); 1189 Record.push_back(D->isCanonicalDecl()); 1190 1191 if (D->isCanonicalDecl()) { 1192 // When reading, we'll add it to the folding set of the following template. 1193 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1194 } 1195 1196 // Explicit info. 1197 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1198 if (D->getTypeAsWritten()) { 1199 Writer.AddSourceLocation(D->getExternLoc(), Record); 1200 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1201 } 1202 1203 Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION; 1204 } 1205 1206 void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl( 1207 ClassTemplatePartialSpecializationDecl *D) { 1208 VisitClassTemplateSpecializationDecl(D); 1209 1210 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1211 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1212 1213 // These are read/set from/to the first declaration. 1214 if (D->getPreviousDecl() == nullptr) { 1215 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1216 Record.push_back(D->isMemberSpecialization()); 1217 } 1218 1219 Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION; 1220 } 1221 1222 void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) { 1223 VisitRedeclarableTemplateDecl(D); 1224 1225 if (D->isFirstDecl()) { 1226 typedef llvm::FoldingSetVector<VarTemplateSpecializationDecl> VTSDSetTy; 1227 VTSDSetTy &VTSDSet = D->getSpecializations(); 1228 Record.push_back(VTSDSet.size()); 1229 for (VTSDSetTy::iterator I = VTSDSet.begin(), E = VTSDSet.end(); I != E; 1230 ++I) { 1231 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1232 Writer.AddDeclRef(&*I, Record); 1233 } 1234 1235 typedef llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> 1236 VTPSDSetTy; 1237 VTPSDSetTy &VTPSDSet = D->getPartialSpecializations(); 1238 Record.push_back(VTPSDSet.size()); 1239 for (VTPSDSetTy::iterator I = VTPSDSet.begin(), E = VTPSDSet.end(); I != E; 1240 ++I) { 1241 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1242 Writer.AddDeclRef(&*I, Record); 1243 } 1244 } 1245 Code = serialization::DECL_VAR_TEMPLATE; 1246 } 1247 1248 void ASTDeclWriter::VisitVarTemplateSpecializationDecl( 1249 VarTemplateSpecializationDecl *D) { 1250 VisitVarDecl(D); 1251 1252 llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> 1253 InstFrom = D->getSpecializedTemplateOrPartial(); 1254 if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) { 1255 Writer.AddDeclRef(InstFromD, Record); 1256 } else { 1257 Writer.AddDeclRef(InstFrom.get<VarTemplatePartialSpecializationDecl *>(), 1258 Record); 1259 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1260 } 1261 1262 // Explicit info. 1263 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1264 if (D->getTypeAsWritten()) { 1265 Writer.AddSourceLocation(D->getExternLoc(), Record); 1266 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1267 } 1268 1269 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1270 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1271 Record.push_back(D->getSpecializationKind()); 1272 Record.push_back(D->isCanonicalDecl()); 1273 1274 if (D->isCanonicalDecl()) { 1275 // When reading, we'll add it to the folding set of the following template. 1276 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1277 } 1278 1279 Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION; 1280 } 1281 1282 void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl( 1283 VarTemplatePartialSpecializationDecl *D) { 1284 VisitVarTemplateSpecializationDecl(D); 1285 1286 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1287 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1288 1289 // These are read/set from/to the first declaration. 1290 if (D->getPreviousDecl() == nullptr) { 1291 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1292 Record.push_back(D->isMemberSpecialization()); 1293 } 1294 1295 Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION; 1296 } 1297 1298 void ASTDeclWriter::VisitClassScopeFunctionSpecializationDecl( 1299 ClassScopeFunctionSpecializationDecl *D) { 1300 VisitDecl(D); 1301 Writer.AddDeclRef(D->getSpecialization(), Record); 1302 Code = serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION; 1303 } 1304 1305 1306 void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 1307 VisitRedeclarableTemplateDecl(D); 1308 1309 if (D->isFirstDecl()) { 1310 // This FunctionTemplateDecl owns the CommonPtr; write it. 1311 1312 // Write the function specialization declarations. 1313 Record.push_back(D->getSpecializations().size()); 1314 for (llvm::FoldingSetVector<FunctionTemplateSpecializationInfo>::iterator 1315 I = D->getSpecializations().begin(), 1316 E = D->getSpecializations().end() ; I != E; ++I) { 1317 assert(I->Function->isCanonicalDecl() && 1318 "Expected only canonical decls in set"); 1319 Writer.AddDeclRef(I->Function, Record); 1320 } 1321 } 1322 Code = serialization::DECL_FUNCTION_TEMPLATE; 1323 } 1324 1325 void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { 1326 VisitTypeDecl(D); 1327 1328 Record.push_back(D->wasDeclaredWithTypename()); 1329 Record.push_back(D->defaultArgumentWasInherited()); 1330 Writer.AddTypeSourceInfo(D->getDefaultArgumentInfo(), Record); 1331 1332 Code = serialization::DECL_TEMPLATE_TYPE_PARM; 1333 } 1334 1335 void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { 1336 // For an expanded parameter pack, record the number of expansion types here 1337 // so that it's easier for deserialization to allocate the right amount of 1338 // memory. 1339 if (D->isExpandedParameterPack()) 1340 Record.push_back(D->getNumExpansionTypes()); 1341 1342 VisitDeclaratorDecl(D); 1343 // TemplateParmPosition. 1344 Record.push_back(D->getDepth()); 1345 Record.push_back(D->getPosition()); 1346 1347 if (D->isExpandedParameterPack()) { 1348 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { 1349 Writer.AddTypeRef(D->getExpansionType(I), Record); 1350 Writer.AddTypeSourceInfo(D->getExpansionTypeSourceInfo(I), Record); 1351 } 1352 1353 Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK; 1354 } else { 1355 // Rest of NonTypeTemplateParmDecl. 1356 Record.push_back(D->isParameterPack()); 1357 Record.push_back(D->getDefaultArgument() != nullptr); 1358 if (D->getDefaultArgument()) { 1359 Writer.AddStmt(D->getDefaultArgument()); 1360 Record.push_back(D->defaultArgumentWasInherited()); 1361 } 1362 Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM; 1363 } 1364 } 1365 1366 void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { 1367 // For an expanded parameter pack, record the number of expansion types here 1368 // so that it's easier for deserialization to allocate the right amount of 1369 // memory. 1370 if (D->isExpandedParameterPack()) 1371 Record.push_back(D->getNumExpansionTemplateParameters()); 1372 1373 VisitTemplateDecl(D); 1374 // TemplateParmPosition. 1375 Record.push_back(D->getDepth()); 1376 Record.push_back(D->getPosition()); 1377 1378 if (D->isExpandedParameterPack()) { 1379 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); 1380 I != N; ++I) 1381 Writer.AddTemplateParameterList(D->getExpansionTemplateParameters(I), 1382 Record); 1383 Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK; 1384 } else { 1385 // Rest of TemplateTemplateParmDecl. 1386 Writer.AddTemplateArgumentLoc(D->getDefaultArgument(), Record); 1387 Record.push_back(D->defaultArgumentWasInherited()); 1388 Record.push_back(D->isParameterPack()); 1389 Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM; 1390 } 1391 } 1392 1393 void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { 1394 VisitRedeclarableTemplateDecl(D); 1395 Code = serialization::DECL_TYPE_ALIAS_TEMPLATE; 1396 } 1397 1398 void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) { 1399 VisitDecl(D); 1400 Writer.AddStmt(D->getAssertExpr()); 1401 Record.push_back(D->isFailed()); 1402 Writer.AddStmt(D->getMessage()); 1403 Writer.AddSourceLocation(D->getRParenLoc(), Record); 1404 Code = serialization::DECL_STATIC_ASSERT; 1405 } 1406 1407 /// \brief Emit the DeclContext part of a declaration context decl. 1408 /// 1409 /// \param LexicalOffset the offset at which the DECL_CONTEXT_LEXICAL 1410 /// block for this declaration context is stored. May be 0 to indicate 1411 /// that there are no declarations stored within this context. 1412 /// 1413 /// \param VisibleOffset the offset at which the DECL_CONTEXT_VISIBLE 1414 /// block for this declaration context is stored. May be 0 to indicate 1415 /// that there are no declarations visible from this context. Note 1416 /// that this value will not be emitted for non-primary declaration 1417 /// contexts. 1418 void ASTDeclWriter::VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 1419 uint64_t VisibleOffset) { 1420 Record.push_back(LexicalOffset); 1421 Record.push_back(VisibleOffset); 1422 } 1423 1424 template <typename T> 1425 void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) { 1426 T *First = D->getFirstDecl(); 1427 if (First->getMostRecentDecl() != First) { 1428 assert(isRedeclarableDeclKind(static_cast<T *>(D)->getKind()) && 1429 "Not considered redeclarable?"); 1430 1431 // There is more than one declaration of this entity, so we will need to 1432 // write a redeclaration chain. 1433 Writer.AddDeclRef(First, Record); 1434 Writer.Redeclarations.insert(First); 1435 1436 // Make sure that we serialize both the previous and the most-recent 1437 // declarations, which (transitively) ensures that all declarations in the 1438 // chain get serialized. 1439 (void)Writer.GetDeclRef(D->getPreviousDecl()); 1440 (void)Writer.GetDeclRef(First->getMostRecentDecl()); 1441 } else { 1442 // We use the sentinel value 0 to indicate an only declaration. 1443 Record.push_back(0); 1444 } 1445 1446 } 1447 1448 void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { 1449 Record.push_back(D->varlist_size()); 1450 VisitDecl(D); 1451 for (auto *I : D->varlists()) 1452 Writer.AddStmt(I); 1453 Code = serialization::DECL_OMP_THREADPRIVATE; 1454 } 1455 1456 //===----------------------------------------------------------------------===// 1457 // ASTWriter Implementation 1458 //===----------------------------------------------------------------------===// 1459 1460 void ASTWriter::WriteDeclAbbrevs() { 1461 using namespace llvm; 1462 1463 BitCodeAbbrev *Abv; 1464 1465 // Abbreviation for DECL_FIELD 1466 Abv = new BitCodeAbbrev(); 1467 Abv->Add(BitCodeAbbrevOp(serialization::DECL_FIELD)); 1468 // Decl 1469 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1470 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1471 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1472 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1473 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1474 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1475 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1476 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1477 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1478 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1479 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1480 // NamedDecl 1481 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1482 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1483 // ValueDecl 1484 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1485 // DeclaratorDecl 1486 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1487 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1488 // FieldDecl 1489 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1490 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1491 // Type Source Info 1492 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1493 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1494 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1495 DeclFieldAbbrev = Stream.EmitAbbrev(Abv); 1496 1497 // Abbreviation for DECL_OBJC_IVAR 1498 Abv = new BitCodeAbbrev(); 1499 Abv->Add(BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR)); 1500 // Decl 1501 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1502 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1503 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1504 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1505 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1506 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1507 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1508 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1509 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1510 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1511 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1512 // NamedDecl 1513 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1514 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1515 // ValueDecl 1516 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1517 // DeclaratorDecl 1518 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1519 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1520 // FieldDecl 1521 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1522 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1523 // ObjC Ivar 1524 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl 1525 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize 1526 // Type Source Info 1527 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1528 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1529 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1530 DeclObjCIvarAbbrev = Stream.EmitAbbrev(Abv); 1531 1532 // Abbreviation for DECL_ENUM 1533 Abv = new BitCodeAbbrev(); 1534 Abv->Add(BitCodeAbbrevOp(serialization::DECL_ENUM)); 1535 // Redeclarable 1536 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1537 // Decl 1538 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1539 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1540 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1541 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1542 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1543 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1544 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1545 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1546 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1547 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1548 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1549 // NamedDecl 1550 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1551 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1552 // TypeDecl 1553 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1554 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1555 // TagDecl 1556 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1557 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1558 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1559 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1560 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1561 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1562 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1563 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1564 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1565 // EnumDecl 1566 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef 1567 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType 1568 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType 1569 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumPositiveBits 1570 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumNegativeBits 1571 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScoped 1572 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScopedUsingClassTag 1573 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isFixed 1574 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum 1575 // DC 1576 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1577 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1578 DeclEnumAbbrev = Stream.EmitAbbrev(Abv); 1579 1580 // Abbreviation for DECL_RECORD 1581 Abv = new BitCodeAbbrev(); 1582 Abv->Add(BitCodeAbbrevOp(serialization::DECL_RECORD)); 1583 // Redeclarable 1584 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1585 // Decl 1586 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1587 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1588 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1589 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1590 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1591 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1592 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1593 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1594 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1595 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1596 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1597 // NamedDecl 1598 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1599 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1600 // TypeDecl 1601 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1602 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1603 // TagDecl 1604 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1605 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1606 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1607 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1608 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1609 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1610 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1611 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1612 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1613 // RecordDecl 1614 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FlexibleArrayMember 1615 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion 1616 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember 1617 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember 1618 // DC 1619 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1620 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1621 DeclRecordAbbrev = Stream.EmitAbbrev(Abv); 1622 1623 // Abbreviation for DECL_PARM_VAR 1624 Abv = new BitCodeAbbrev(); 1625 Abv->Add(BitCodeAbbrevOp(serialization::DECL_PARM_VAR)); 1626 // Redeclarable 1627 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1628 // Decl 1629 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1630 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1631 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1632 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1633 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1634 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1635 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1636 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1637 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1638 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1639 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1640 // NamedDecl 1641 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1642 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1643 // ValueDecl 1644 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1645 // DeclaratorDecl 1646 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1647 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1648 // VarDecl 1649 Abv->Add(BitCodeAbbrevOp(0)); // StorageClass 1650 Abv->Add(BitCodeAbbrevOp(0)); // getTSCSpec 1651 Abv->Add(BitCodeAbbrevOp(0)); // hasCXXDirectInitializer 1652 Abv->Add(BitCodeAbbrevOp(0)); // isExceptionVariable 1653 Abv->Add(BitCodeAbbrevOp(0)); // isNRVOVariable 1654 Abv->Add(BitCodeAbbrevOp(0)); // isCXXForRangeDecl 1655 Abv->Add(BitCodeAbbrevOp(0)); // isARCPseudoStrong 1656 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1657 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1658 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1659 Abv->Add(BitCodeAbbrevOp(0)); // Linkage 1660 Abv->Add(BitCodeAbbrevOp(0)); // HasInit 1661 Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo 1662 // ParmVarDecl 1663 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsObjCMethodParameter 1664 Abv->Add(BitCodeAbbrevOp(0)); // ScopeDepth 1665 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex 1666 Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier 1667 Abv->Add(BitCodeAbbrevOp(0)); // KNRPromoted 1668 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg 1669 Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg 1670 // Type Source Info 1671 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1672 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1673 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1674 DeclParmVarAbbrev = Stream.EmitAbbrev(Abv); 1675 1676 // Abbreviation for DECL_TYPEDEF 1677 Abv = new BitCodeAbbrev(); 1678 Abv->Add(BitCodeAbbrevOp(serialization::DECL_TYPEDEF)); 1679 // Redeclarable 1680 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1681 // Decl 1682 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1683 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1684 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1685 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1686 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1687 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isUsed 1688 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isReferenced 1689 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1690 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // C++ AccessSpecifier 1691 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1692 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1693 // NamedDecl 1694 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1695 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1696 // TypeDecl 1697 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1698 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1699 // TypedefDecl 1700 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1701 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1702 DeclTypedefAbbrev = Stream.EmitAbbrev(Abv); 1703 1704 // Abbreviation for DECL_VAR 1705 Abv = new BitCodeAbbrev(); 1706 Abv->Add(BitCodeAbbrevOp(serialization::DECL_VAR)); 1707 // Redeclarable 1708 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1709 // Decl 1710 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1711 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1712 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1713 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1714 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1715 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1716 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1717 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1718 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1719 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1720 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1721 // NamedDecl 1722 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1723 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1724 // ValueDecl 1725 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1726 // DeclaratorDecl 1727 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1728 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1729 // VarDecl 1730 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // StorageClass 1731 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getTSCSpec 1732 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // CXXDirectInitializer 1733 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isExceptionVariable 1734 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isNRVOVariable 1735 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCXXForRangeDecl 1736 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong 1737 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1738 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1739 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1740 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1741 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasInit 1742 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasMemberSpecInfo 1743 // Type Source Info 1744 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1745 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1746 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1747 DeclVarAbbrev = Stream.EmitAbbrev(Abv); 1748 1749 // Abbreviation for DECL_CXX_METHOD 1750 Abv = new BitCodeAbbrev(); 1751 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CXX_METHOD)); 1752 // RedeclarableDecl 1753 Abv->Add(BitCodeAbbrevOp(0)); // CanonicalDecl 1754 // Decl 1755 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1756 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1757 Abv->Add(BitCodeAbbrevOp(0)); // Invalid 1758 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1759 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Implicit 1760 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Used 1761 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Referenced 1762 Abv->Add(BitCodeAbbrevOp(0)); // InObjCContainer 1763 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Access 1764 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ModulePrivate 1765 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1766 // NamedDecl 1767 Abv->Add(BitCodeAbbrevOp(DeclarationName::Identifier)); // NameKind 1768 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Identifier 1769 // ValueDecl 1770 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1771 // DeclaratorDecl 1772 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerLocStart 1773 Abv->Add(BitCodeAbbrevOp(0)); // HasExtInfo 1774 // FunctionDecl 1775 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 11)); // IDNS 1776 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // StorageClass 1777 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Inline 1778 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InlineSpecified 1779 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // VirtualAsWritten 1780 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Pure 1781 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedProto 1782 Abv->Add(BitCodeAbbrevOp(1)); // HasWrittenProto 1783 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // DeletedAsWritten 1784 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Trivial 1785 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Defaulted 1786 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ExplicitlyDefaulted 1787 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ImplicitReturnZero 1788 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Constexpr 1789 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // SkippedBody 1790 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // LateParsed 1791 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1792 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LocEnd 1793 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // TemplateKind 1794 // This Array slurps the rest of the record. Fortunately we want to encode 1795 // (nearly) all the remaining (variable number of) fields in the same way. 1796 // 1797 // This is the function template information if any, then 1798 // NumParams and Params[] from FunctionDecl, and 1799 // NumOverriddenMethods, OverriddenMethods[] from CXXMethodDecl. 1800 // 1801 // Add an AbbrevOp for 'size then elements' and use it here. 1802 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1803 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1804 DeclCXXMethodAbbrev = Stream.EmitAbbrev(Abv); 1805 1806 // Abbreviation for EXPR_DECL_REF 1807 Abv = new BitCodeAbbrev(); 1808 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_DECL_REF)); 1809 //Stmt 1810 //Expr 1811 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1812 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1813 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1814 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1815 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1816 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1817 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1818 //DeclRefExpr 1819 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HasQualifier 1820 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //GetDeclFound 1821 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ExplicitTemplateArgs 1822 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HadMultipleCandidates 1823 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //RefersToEnclosingLocal 1824 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef 1825 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1826 DeclRefExprAbbrev = Stream.EmitAbbrev(Abv); 1827 1828 // Abbreviation for EXPR_INTEGER_LITERAL 1829 Abv = new BitCodeAbbrev(); 1830 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL)); 1831 //Stmt 1832 //Expr 1833 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1834 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1835 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1836 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1837 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1838 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1839 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1840 //Integer Literal 1841 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1842 Abv->Add(BitCodeAbbrevOp(32)); // Bit Width 1843 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value 1844 IntegerLiteralAbbrev = Stream.EmitAbbrev(Abv); 1845 1846 // Abbreviation for EXPR_CHARACTER_LITERAL 1847 Abv = new BitCodeAbbrev(); 1848 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL)); 1849 //Stmt 1850 //Expr 1851 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1852 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1853 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1854 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1855 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1856 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1857 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1858 //Character Literal 1859 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue 1860 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1861 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getKind 1862 CharacterLiteralAbbrev = Stream.EmitAbbrev(Abv); 1863 1864 // Abbreviation for EXPR_IMPLICIT_CAST 1865 Abv = new BitCodeAbbrev(); 1866 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_IMPLICIT_CAST)); 1867 // Stmt 1868 // Expr 1869 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1870 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1871 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1872 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1873 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1874 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1875 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1876 // CastExpr 1877 Abv->Add(BitCodeAbbrevOp(0)); // PathSize 1878 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 6)); // CastKind 1879 // ImplicitCastExpr 1880 ExprImplicitCastAbbrev = Stream.EmitAbbrev(Abv); 1881 1882 Abv = new BitCodeAbbrev(); 1883 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL)); 1884 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1885 DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abv); 1886 1887 Abv = new BitCodeAbbrev(); 1888 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE)); 1889 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); 1890 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1891 DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(Abv); 1892 } 1893 1894 /// isRequiredDecl - Check if this is a "required" Decl, which must be seen by 1895 /// consumers of the AST. 1896 /// 1897 /// Such decls will always be deserialized from the AST file, so we would like 1898 /// this to be as restrictive as possible. Currently the predicate is driven by 1899 /// code generation requirements, if other clients have a different notion of 1900 /// what is "required" then we may have to consider an alternate scheme where 1901 /// clients can iterate over the top-level decls and get information on them, 1902 /// without necessary deserializing them. We could explicitly require such 1903 /// clients to use a separate API call to "realize" the decl. This should be 1904 /// relatively painless since they would presumably only do it for top-level 1905 /// decls. 1906 static bool isRequiredDecl(const Decl *D, ASTContext &Context) { 1907 // An ObjCMethodDecl is never considered as "required" because its 1908 // implementation container always is. 1909 1910 // File scoped assembly or obj-c implementation must be seen. ImportDecl is 1911 // used by codegen to determine the set of imported modules to search for 1912 // inputs for automatic linking. 1913 if (isa<FileScopeAsmDecl>(D) || isa<ObjCImplDecl>(D) || isa<ImportDecl>(D)) 1914 return true; 1915 1916 return Context.DeclMustBeEmitted(D); 1917 } 1918 1919 void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { 1920 // Switch case IDs are per Decl. 1921 ClearSwitchCaseIDs(); 1922 1923 RecordData Record; 1924 ASTDeclWriter W(*this, Context, Record); 1925 1926 // Determine the ID for this declaration. 1927 serialization::DeclID ID; 1928 if (D->isFromASTFile()) 1929 ID = getDeclID(D); 1930 else { 1931 serialization::DeclID &IDR = DeclIDs[D]; 1932 if (IDR == 0) 1933 IDR = NextDeclID++; 1934 1935 ID= IDR; 1936 } 1937 1938 bool isReplacingADecl = ID < FirstDeclID; 1939 1940 // If this declaration is also a DeclContext, write blocks for the 1941 // declarations that lexically stored inside its context and those 1942 // declarations that are visible from its context. These blocks 1943 // are written before the declaration itself so that we can put 1944 // their offsets into the record for the declaration. 1945 uint64_t LexicalOffset = 0; 1946 uint64_t VisibleOffset = 0; 1947 DeclContext *DC = dyn_cast<DeclContext>(D); 1948 if (DC) { 1949 if (isReplacingADecl) { 1950 // It is replacing a decl from a chained PCH; make sure that the 1951 // DeclContext is fully loaded. 1952 if (DC->hasExternalLexicalStorage()) 1953 DC->LoadLexicalDeclsFromExternalStorage(); 1954 if (DC->hasExternalVisibleStorage()) 1955 Chain->completeVisibleDeclsMap(DC); 1956 } 1957 LexicalOffset = WriteDeclContextLexicalBlock(Context, DC); 1958 VisibleOffset = WriteDeclContextVisibleBlock(Context, DC); 1959 } 1960 1961 if (isReplacingADecl) { 1962 // We're replacing a decl in a previous file. 1963 ReplacedDecls.push_back(ReplacedDeclInfo(ID, Stream.GetCurrentBitNo(), 1964 D->getLocation())); 1965 } else { 1966 unsigned Index = ID - FirstDeclID; 1967 1968 // Record the offset for this declaration 1969 SourceLocation Loc = D->getLocation(); 1970 if (DeclOffsets.size() == Index) 1971 DeclOffsets.push_back(DeclOffset(Loc, Stream.GetCurrentBitNo())); 1972 else if (DeclOffsets.size() < Index) { 1973 DeclOffsets.resize(Index+1); 1974 DeclOffsets[Index].setLocation(Loc); 1975 DeclOffsets[Index].BitOffset = Stream.GetCurrentBitNo(); 1976 } 1977 1978 SourceManager &SM = Context.getSourceManager(); 1979 if (Loc.isValid() && SM.isLocalSourceLocation(Loc)) 1980 associateDeclWithFile(D, ID); 1981 } 1982 1983 // Build and emit a record for this declaration 1984 Record.clear(); 1985 W.Code = (serialization::DeclCode)0; 1986 W.AbbrevToUse = 0; 1987 W.Visit(D); 1988 if (DC) W.VisitDeclContext(DC, LexicalOffset, VisibleOffset); 1989 1990 if (!W.Code) 1991 llvm::report_fatal_error(StringRef("unexpected declaration kind '") + 1992 D->getDeclKindName() + "'"); 1993 Stream.EmitRecord(W.Code, Record, W.AbbrevToUse); 1994 1995 // Flush any expressions that were written as part of this declaration. 1996 FlushStmts(); 1997 1998 // Flush C++ base specifiers, if there are any. 1999 FlushCXXBaseSpecifiers(); 2000 2001 // Note declarations that should be deserialized eagerly so that we can add 2002 // them to a record in the AST file later. 2003 if (isRequiredDecl(D, Context)) 2004 EagerlyDeserializedDecls.push_back(ID); 2005 } 2006 2007 void ASTWriter::AddFunctionDefinition(const FunctionDecl *FD, 2008 RecordData &Record) { 2009 ClearSwitchCaseIDs(); 2010 2011 ASTDeclWriter W(*this, FD->getASTContext(), Record); 2012 W.AddFunctionDefinition(FD); 2013 } 2014