ASTWriterDecl.cpp revision bc6509175e1ce5cc1b48d1b97ac8d23d8b74167c
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" 26using namespace clang; 27using namespace serialization; 28 29//===----------------------------------------------------------------------===// 30// Declaration serialization 31//===----------------------------------------------------------------------===// 32 33namespace 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} 135 136void ASTDeclWriter::Visit(Decl *D) { 137 DeclVisitor<ASTDeclWriter>::Visit(D); 138 139 // Source locations require array (variable-length) abbreviations. The 140 // abbreviation infrastructure requires that arrays are encoded last, so 141 // we handle it here in the case of those classes derived from DeclaratorDecl 142 if (DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)){ 143 Writer.AddTypeSourceInfo(DD->getTypeSourceInfo(), Record); 144 } 145 146 // Handle FunctionDecl's body here and write it after all other Stmts/Exprs 147 // have been written. We want it last because we will not read it back when 148 // retrieving it from the AST, we'll just lazily set the offset. 149 if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 150 Record.push_back(FD->doesThisDeclarationHaveABody()); 151 if (FD->doesThisDeclarationHaveABody()) 152 Writer.AddStmt(FD->getBody()); 153 } 154} 155 156void ASTDeclWriter::VisitDecl(Decl *D) { 157 Writer.AddDeclRef(cast_or_null<Decl>(D->getDeclContext()), Record); 158 Writer.AddDeclRef(cast_or_null<Decl>(D->getLexicalDeclContext()), Record); 159 Record.push_back(D->isInvalidDecl()); 160 Record.push_back(D->hasAttrs()); 161 if (D->hasAttrs()) 162 Writer.WriteAttributes(ArrayRef<const Attr*>(D->getAttrs().begin(), 163 D->getAttrs().size()), Record); 164 Record.push_back(D->isImplicit()); 165 Record.push_back(D->isUsed(false)); 166 Record.push_back(D->isReferenced()); 167 Record.push_back(D->isTopLevelDeclInObjCContainer()); 168 Record.push_back(D->getAccess()); 169 Record.push_back(D->isModulePrivate()); 170 Record.push_back(Writer.inferSubmoduleIDFromLocation(D->getLocation())); 171} 172 173void ASTDeclWriter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 174 llvm_unreachable("Translation units aren't directly serialized"); 175} 176 177void ASTDeclWriter::VisitNamedDecl(NamedDecl *D) { 178 VisitDecl(D); 179 Writer.AddDeclarationName(D->getDeclName(), Record); 180} 181 182void ASTDeclWriter::VisitTypeDecl(TypeDecl *D) { 183 VisitNamedDecl(D); 184 Writer.AddSourceLocation(D->getLocStart(), Record); 185 Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record); 186} 187 188void ASTDeclWriter::VisitTypedefNameDecl(TypedefNameDecl *D) { 189 VisitRedeclarable(D); 190 VisitTypeDecl(D); 191 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 192 Record.push_back(D->isModed()); 193 if (D->isModed()) 194 Writer.AddTypeRef(D->getUnderlyingType(), Record); 195} 196 197void ASTDeclWriter::VisitTypedefDecl(TypedefDecl *D) { 198 VisitTypedefNameDecl(D); 199 if (!D->hasAttrs() && 200 !D->isImplicit() && 201 !D->isUsed(false) && 202 D->getFirstDecl() == D->getMostRecentDecl() && 203 !D->isInvalidDecl() && 204 !D->isReferenced() && 205 !D->isTopLevelDeclInObjCContainer() && 206 D->getAccess() == AS_none && 207 !D->isModulePrivate() && 208 D->getDeclName().getNameKind() == DeclarationName::Identifier) 209 AbbrevToUse = Writer.getDeclTypedefAbbrev(); 210 211 Code = serialization::DECL_TYPEDEF; 212} 213 214void ASTDeclWriter::VisitTypeAliasDecl(TypeAliasDecl *D) { 215 VisitTypedefNameDecl(D); 216 Code = serialization::DECL_TYPEALIAS; 217} 218 219void ASTDeclWriter::VisitTagDecl(TagDecl *D) { 220 VisitRedeclarable(D); 221 VisitTypeDecl(D); 222 Record.push_back(D->getIdentifierNamespace()); 223 Record.push_back((unsigned)D->getTagKind()); // FIXME: stable encoding 224 Record.push_back(D->isCompleteDefinition()); 225 Record.push_back(D->isEmbeddedInDeclarator()); 226 Record.push_back(D->isFreeStanding()); 227 Record.push_back(D->isCompleteDefinitionRequired()); 228 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 229 Record.push_back(D->hasExtInfo()); 230 if (D->hasExtInfo()) 231 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 232 else if (D->hasDeclaratorForAnonDecl()) 233 Writer.AddDeclRef(D->getDeclaratorForAnonDecl(), Record); 234 else 235 Writer.AddDeclRef(D->getTypedefNameForAnonDecl(), Record); 236} 237 238void ASTDeclWriter::VisitEnumDecl(EnumDecl *D) { 239 VisitTagDecl(D); 240 Writer.AddTypeSourceInfo(D->getIntegerTypeSourceInfo(), Record); 241 if (!D->getIntegerTypeSourceInfo()) 242 Writer.AddTypeRef(D->getIntegerType(), Record); 243 Writer.AddTypeRef(D->getPromotionType(), Record); 244 Record.push_back(D->getNumPositiveBits()); 245 Record.push_back(D->getNumNegativeBits()); 246 Record.push_back(D->isScoped()); 247 Record.push_back(D->isScopedUsingClassTag()); 248 Record.push_back(D->isFixed()); 249 if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { 250 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 251 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 252 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 253 } else { 254 Writer.AddDeclRef(0, Record); 255 } 256 257 if (!D->hasAttrs() && 258 !D->isImplicit() && 259 !D->isUsed(false) && 260 !D->hasExtInfo() && 261 D->getFirstDecl() == D->getMostRecentDecl() && 262 !D->isInvalidDecl() && 263 !D->isReferenced() && 264 !D->isTopLevelDeclInObjCContainer() && 265 D->getAccess() == AS_none && 266 !D->isModulePrivate() && 267 !CXXRecordDecl::classofKind(D->getKind()) && 268 !D->getIntegerTypeSourceInfo() && 269 !D->getMemberSpecializationInfo() && 270 D->getDeclName().getNameKind() == DeclarationName::Identifier) 271 AbbrevToUse = Writer.getDeclEnumAbbrev(); 272 273 Code = serialization::DECL_ENUM; 274} 275 276void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) { 277 VisitTagDecl(D); 278 Record.push_back(D->hasFlexibleArrayMember()); 279 Record.push_back(D->isAnonymousStructOrUnion()); 280 Record.push_back(D->hasObjectMember()); 281 Record.push_back(D->hasVolatileMember()); 282 283 if (!D->hasAttrs() && 284 !D->isImplicit() && 285 !D->isUsed(false) && 286 !D->hasExtInfo() && 287 D->getFirstDecl() == D->getMostRecentDecl() && 288 !D->isInvalidDecl() && 289 !D->isReferenced() && 290 !D->isTopLevelDeclInObjCContainer() && 291 D->getAccess() == AS_none && 292 !D->isModulePrivate() && 293 !CXXRecordDecl::classofKind(D->getKind()) && 294 D->getDeclName().getNameKind() == DeclarationName::Identifier) 295 AbbrevToUse = Writer.getDeclRecordAbbrev(); 296 297 Code = serialization::DECL_RECORD; 298} 299 300void ASTDeclWriter::VisitValueDecl(ValueDecl *D) { 301 VisitNamedDecl(D); 302 Writer.AddTypeRef(D->getType(), Record); 303} 304 305void ASTDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) { 306 VisitValueDecl(D); 307 Record.push_back(D->getInitExpr()? 1 : 0); 308 if (D->getInitExpr()) 309 Writer.AddStmt(D->getInitExpr()); 310 Writer.AddAPSInt(D->getInitVal(), Record); 311 312 Code = serialization::DECL_ENUM_CONSTANT; 313} 314 315void ASTDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) { 316 VisitValueDecl(D); 317 Writer.AddSourceLocation(D->getInnerLocStart(), Record); 318 Record.push_back(D->hasExtInfo()); 319 if (D->hasExtInfo()) 320 Writer.AddQualifierInfo(*D->getExtInfo(), Record); 321} 322 323void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) { 324 VisitRedeclarable(D); 325 VisitDeclaratorDecl(D); 326 327 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 328 Record.push_back(D->getIdentifierNamespace()); 329 330 // FunctionDecl's body is handled last at ASTWriterDecl::Visit, 331 // after everything else is written. 332 333 Record.push_back(D->getStorageClass()); // FIXME: stable encoding 334 Record.push_back(D->IsInline); 335 Record.push_back(D->isInlineSpecified()); 336 Record.push_back(D->isVirtualAsWritten()); 337 Record.push_back(D->isPure()); 338 Record.push_back(D->hasInheritedPrototype()); 339 Record.push_back(D->hasWrittenPrototype()); 340 Record.push_back(D->isDeletedAsWritten()); 341 Record.push_back(D->isTrivial()); 342 Record.push_back(D->isDefaulted()); 343 Record.push_back(D->isExplicitlyDefaulted()); 344 Record.push_back(D->hasImplicitReturnZero()); 345 Record.push_back(D->isConstexpr()); 346 Record.push_back(D->HasSkippedBody); 347 Record.push_back(D->isLateTemplateParsed()); 348 Record.push_back(D->getLinkageInternal()); 349 Writer.AddSourceLocation(D->getLocEnd(), Record); 350 351 Record.push_back(D->getTemplatedKind()); 352 switch (D->getTemplatedKind()) { 353 case FunctionDecl::TK_NonTemplate: 354 break; 355 case FunctionDecl::TK_FunctionTemplate: 356 Writer.AddDeclRef(D->getDescribedFunctionTemplate(), Record); 357 break; 358 case FunctionDecl::TK_MemberSpecialization: { 359 MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo(); 360 Writer.AddDeclRef(MemberInfo->getInstantiatedFrom(), Record); 361 Record.push_back(MemberInfo->getTemplateSpecializationKind()); 362 Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record); 363 break; 364 } 365 case FunctionDecl::TK_FunctionTemplateSpecialization: { 366 FunctionTemplateSpecializationInfo * 367 FTSInfo = D->getTemplateSpecializationInfo(); 368 Writer.AddDeclRef(FTSInfo->getTemplate(), Record); 369 Record.push_back(FTSInfo->getTemplateSpecializationKind()); 370 371 // Template arguments. 372 Writer.AddTemplateArgumentList(FTSInfo->TemplateArguments, Record); 373 374 // Template args as written. 375 Record.push_back(FTSInfo->TemplateArgumentsAsWritten != 0); 376 if (FTSInfo->TemplateArgumentsAsWritten) { 377 Record.push_back(FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs); 378 for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs; 379 i!=e; ++i) 380 Writer.AddTemplateArgumentLoc((*FTSInfo->TemplateArgumentsAsWritten)[i], 381 Record); 382 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->LAngleLoc, 383 Record); 384 Writer.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->RAngleLoc, 385 Record); 386 } 387 388 Writer.AddSourceLocation(FTSInfo->getPointOfInstantiation(), Record); 389 390 if (D->isCanonicalDecl()) { 391 // Write the template that contains the specializations set. We will 392 // add a FunctionTemplateSpecializationInfo to it when reading. 393 Writer.AddDeclRef(FTSInfo->getTemplate()->getCanonicalDecl(), Record); 394 } 395 break; 396 } 397 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { 398 DependentFunctionTemplateSpecializationInfo * 399 DFTSInfo = D->getDependentSpecializationInfo(); 400 401 // Templates. 402 Record.push_back(DFTSInfo->getNumTemplates()); 403 for (int i=0, e = DFTSInfo->getNumTemplates(); i != e; ++i) 404 Writer.AddDeclRef(DFTSInfo->getTemplate(i), Record); 405 406 // Templates args. 407 Record.push_back(DFTSInfo->getNumTemplateArgs()); 408 for (int i=0, e = DFTSInfo->getNumTemplateArgs(); i != e; ++i) 409 Writer.AddTemplateArgumentLoc(DFTSInfo->getTemplateArg(i), Record); 410 Writer.AddSourceLocation(DFTSInfo->getLAngleLoc(), Record); 411 Writer.AddSourceLocation(DFTSInfo->getRAngleLoc(), Record); 412 break; 413 } 414 } 415 416 Record.push_back(D->param_size()); 417 for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end(); 418 P != PEnd; ++P) 419 Writer.AddDeclRef(*P, Record); 420 Code = serialization::DECL_FUNCTION; 421} 422 423void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) { 424 VisitNamedDecl(D); 425 // FIXME: convert to LazyStmtPtr? 426 // Unlike C/C++, method bodies will never be in header files. 427 bool HasBodyStuff = D->getBody() != 0 || 428 D->getSelfDecl() != 0 || D->getCmdDecl() != 0; 429 Record.push_back(HasBodyStuff); 430 if (HasBodyStuff) { 431 Writer.AddStmt(D->getBody()); 432 Writer.AddDeclRef(D->getSelfDecl(), Record); 433 Writer.AddDeclRef(D->getCmdDecl(), Record); 434 } 435 Record.push_back(D->isInstanceMethod()); 436 Record.push_back(D->isVariadic()); 437 Record.push_back(D->isPropertyAccessor()); 438 Record.push_back(D->isDefined()); 439 Record.push_back(D->IsOverriding); 440 Record.push_back(D->HasSkippedBody); 441 442 Record.push_back(D->IsRedeclaration); 443 Record.push_back(D->HasRedeclaration); 444 if (D->HasRedeclaration) { 445 assert(Context.getObjCMethodRedeclaration(D)); 446 Writer.AddDeclRef(Context.getObjCMethodRedeclaration(D), Record); 447 } 448 449 // FIXME: stable encoding for @required/@optional 450 Record.push_back(D->getImplementationControl()); 451 // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway 452 Record.push_back(D->getObjCDeclQualifier()); 453 Record.push_back(D->hasRelatedResultType()); 454 Writer.AddTypeRef(D->getResultType(), Record); 455 Writer.AddTypeSourceInfo(D->getResultTypeSourceInfo(), Record); 456 Writer.AddSourceLocation(D->getLocEnd(), Record); 457 Record.push_back(D->param_size()); 458 for (ObjCMethodDecl::param_iterator P = D->param_begin(), 459 PEnd = D->param_end(); P != PEnd; ++P) 460 Writer.AddDeclRef(*P, Record); 461 462 Record.push_back(D->SelLocsKind); 463 unsigned NumStoredSelLocs = D->getNumStoredSelLocs(); 464 SourceLocation *SelLocs = D->getStoredSelLocs(); 465 Record.push_back(NumStoredSelLocs); 466 for (unsigned i = 0; i != NumStoredSelLocs; ++i) 467 Writer.AddSourceLocation(SelLocs[i], Record); 468 469 Code = serialization::DECL_OBJC_METHOD; 470} 471 472void ASTDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) { 473 VisitNamedDecl(D); 474 Writer.AddSourceLocation(D->getAtStartLoc(), Record); 475 Writer.AddSourceRange(D->getAtEndRange(), Record); 476 // Abstract class (no need to define a stable serialization::DECL code). 477} 478 479void ASTDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { 480 VisitRedeclarable(D); 481 VisitObjCContainerDecl(D); 482 Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record); 483 484 Record.push_back(D->isThisDeclarationADefinition()); 485 if (D->isThisDeclarationADefinition()) { 486 // Write the DefinitionData 487 ObjCInterfaceDecl::DefinitionData &Data = D->data(); 488 489 Writer.AddDeclRef(D->getSuperClass(), Record); 490 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 491 Writer.AddSourceLocation(D->getEndOfDefinitionLoc(), Record); 492 493 // Write out the protocols that are directly referenced by the @interface. 494 Record.push_back(Data.ReferencedProtocols.size()); 495 for (ObjCInterfaceDecl::protocol_iterator P = D->protocol_begin(), 496 PEnd = D->protocol_end(); 497 P != PEnd; ++P) 498 Writer.AddDeclRef(*P, Record); 499 for (ObjCInterfaceDecl::protocol_loc_iterator PL = D->protocol_loc_begin(), 500 PLEnd = D->protocol_loc_end(); 501 PL != PLEnd; ++PL) 502 Writer.AddSourceLocation(*PL, Record); 503 504 // Write out the protocols that are transitively referenced. 505 Record.push_back(Data.AllReferencedProtocols.size()); 506 for (ObjCList<ObjCProtocolDecl>::iterator 507 P = Data.AllReferencedProtocols.begin(), 508 PEnd = Data.AllReferencedProtocols.end(); 509 P != PEnd; ++P) 510 Writer.AddDeclRef(*P, Record); 511 512 513 if (ObjCCategoryDecl *Cat = D->getCategoryListRaw()) { 514 // Ensure that we write out the set of categories for this class. 515 Writer.ObjCClassesWithCategories.insert(D); 516 517 // Make sure that the categories get serialized. 518 for (; Cat; Cat = Cat->getNextClassCategoryRaw()) 519 (void)Writer.GetDeclRef(Cat); 520 } 521 } 522 523 Code = serialization::DECL_OBJC_INTERFACE; 524} 525 526void ASTDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) { 527 VisitFieldDecl(D); 528 // FIXME: stable encoding for @public/@private/@protected/@package 529 Record.push_back(D->getAccessControl()); 530 Record.push_back(D->getSynthesize()); 531 532 if (!D->hasAttrs() && 533 !D->isImplicit() && 534 !D->isUsed(false) && 535 !D->isInvalidDecl() && 536 !D->isReferenced() && 537 !D->isModulePrivate() && 538 !D->getBitWidth() && 539 !D->hasExtInfo() && 540 D->getDeclName()) 541 AbbrevToUse = Writer.getDeclObjCIvarAbbrev(); 542 543 Code = serialization::DECL_OBJC_IVAR; 544} 545 546void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { 547 VisitRedeclarable(D); 548 VisitObjCContainerDecl(D); 549 550 Record.push_back(D->isThisDeclarationADefinition()); 551 if (D->isThisDeclarationADefinition()) { 552 Record.push_back(D->protocol_size()); 553 for (ObjCProtocolDecl::protocol_iterator 554 I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I) 555 Writer.AddDeclRef(*I, Record); 556 for (ObjCProtocolDecl::protocol_loc_iterator PL = D->protocol_loc_begin(), 557 PLEnd = D->protocol_loc_end(); 558 PL != PLEnd; ++PL) 559 Writer.AddSourceLocation(*PL, Record); 560 } 561 562 Code = serialization::DECL_OBJC_PROTOCOL; 563} 564 565void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) { 566 VisitFieldDecl(D); 567 Code = serialization::DECL_OBJC_AT_DEFS_FIELD; 568} 569 570void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { 571 VisitObjCContainerDecl(D); 572 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 573 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 574 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 575 Writer.AddDeclRef(D->getClassInterface(), Record); 576 Record.push_back(D->protocol_size()); 577 for (ObjCCategoryDecl::protocol_iterator 578 I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I) 579 Writer.AddDeclRef(*I, Record); 580 for (ObjCCategoryDecl::protocol_loc_iterator 581 PL = D->protocol_loc_begin(), PLEnd = D->protocol_loc_end(); 582 PL != PLEnd; ++PL) 583 Writer.AddSourceLocation(*PL, Record); 584 Code = serialization::DECL_OBJC_CATEGORY; 585} 586 587void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) { 588 VisitNamedDecl(D); 589 Writer.AddDeclRef(D->getClassInterface(), Record); 590 Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS; 591} 592 593void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { 594 VisitNamedDecl(D); 595 Writer.AddSourceLocation(D->getAtLoc(), Record); 596 Writer.AddSourceLocation(D->getLParenLoc(), Record); 597 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 598 // FIXME: stable encoding 599 Record.push_back((unsigned)D->getPropertyAttributes()); 600 Record.push_back((unsigned)D->getPropertyAttributesAsWritten()); 601 // FIXME: stable encoding 602 Record.push_back((unsigned)D->getPropertyImplementation()); 603 Writer.AddDeclarationName(D->getGetterName(), Record); 604 Writer.AddDeclarationName(D->getSetterName(), Record); 605 Writer.AddDeclRef(D->getGetterMethodDecl(), Record); 606 Writer.AddDeclRef(D->getSetterMethodDecl(), Record); 607 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 608 Code = serialization::DECL_OBJC_PROPERTY; 609} 610 611void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) { 612 VisitObjCContainerDecl(D); 613 Writer.AddDeclRef(D->getClassInterface(), Record); 614 // Abstract class (no need to define a stable serialization::DECL code). 615} 616 617void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { 618 VisitObjCImplDecl(D); 619 Writer.AddIdentifierRef(D->getIdentifier(), Record); 620 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 621 Code = serialization::DECL_OBJC_CATEGORY_IMPL; 622} 623 624void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { 625 VisitObjCImplDecl(D); 626 Writer.AddDeclRef(D->getSuperClass(), Record); 627 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 628 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 629 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 630 Record.push_back(D->hasNonZeroConstructors()); 631 Record.push_back(D->hasDestructors()); 632 Writer.AddCXXCtorInitializers(D->IvarInitializers, D->NumIvarInitializers, 633 Record); 634 Code = serialization::DECL_OBJC_IMPLEMENTATION; 635} 636 637void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { 638 VisitDecl(D); 639 Writer.AddSourceLocation(D->getLocStart(), Record); 640 Writer.AddDeclRef(D->getPropertyDecl(), Record); 641 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 642 Writer.AddSourceLocation(D->getPropertyIvarDeclLoc(), Record); 643 Writer.AddStmt(D->getGetterCXXConstructor()); 644 Writer.AddStmt(D->getSetterCXXAssignment()); 645 Code = serialization::DECL_OBJC_PROPERTY_IMPL; 646} 647 648void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) { 649 VisitDeclaratorDecl(D); 650 Record.push_back(D->isMutable()); 651 if (D->InitializerOrBitWidth.getInt() != ICIS_NoInit || 652 D->InitializerOrBitWidth.getPointer()) { 653 Record.push_back(D->InitializerOrBitWidth.getInt() + 1); 654 Writer.AddStmt(D->InitializerOrBitWidth.getPointer()); 655 } else { 656 Record.push_back(0); 657 } 658 if (!D->getDeclName()) 659 Writer.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D), Record); 660 661 if (!D->hasAttrs() && 662 !D->isImplicit() && 663 !D->isUsed(false) && 664 !D->isInvalidDecl() && 665 !D->isReferenced() && 666 !D->isTopLevelDeclInObjCContainer() && 667 !D->isModulePrivate() && 668 !D->getBitWidth() && 669 !D->hasInClassInitializer() && 670 !D->hasExtInfo() && 671 !ObjCIvarDecl::classofKind(D->getKind()) && 672 !ObjCAtDefsFieldDecl::classofKind(D->getKind()) && 673 D->getDeclName()) 674 AbbrevToUse = Writer.getDeclFieldAbbrev(); 675 676 Code = serialization::DECL_FIELD; 677} 678 679void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) { 680 VisitDeclaratorDecl(D); 681 Writer.AddIdentifierRef(D->getGetterId(), Record); 682 Writer.AddIdentifierRef(D->getSetterId(), Record); 683 Code = serialization::DECL_MS_PROPERTY; 684} 685 686void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { 687 VisitValueDecl(D); 688 Record.push_back(D->getChainingSize()); 689 690 for (IndirectFieldDecl::chain_iterator 691 P = D->chain_begin(), 692 PEnd = D->chain_end(); P != PEnd; ++P) 693 Writer.AddDeclRef(*P, Record); 694 Code = serialization::DECL_INDIRECTFIELD; 695} 696 697void ASTDeclWriter::VisitVarDecl(VarDecl *D) { 698 VisitRedeclarable(D); 699 VisitDeclaratorDecl(D); 700 Record.push_back(D->getStorageClass()); 701 Record.push_back(D->getTSCSpec()); 702 Record.push_back(D->getInitStyle()); 703 Record.push_back(D->isExceptionVariable()); 704 Record.push_back(D->isNRVOVariable()); 705 Record.push_back(D->isCXXForRangeDecl()); 706 Record.push_back(D->isARCPseudoStrong()); 707 Record.push_back(D->isConstexpr()); 708 Record.push_back(D->isInitCapture()); 709 Record.push_back(D->isPreviousDeclInSameBlockScope()); 710 Record.push_back(D->getLinkageInternal()); 711 712 if (D->getInit()) { 713 Record.push_back(!D->isInitKnownICE() ? 1 : (D->isInitICE() ? 3 : 2)); 714 Writer.AddStmt(D->getInit()); 715 } else { 716 Record.push_back(0); 717 } 718 719 enum { 720 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization 721 }; 722 if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) { 723 Record.push_back(VarTemplate); 724 Writer.AddDeclRef(TemplD, Record); 725 } else if (MemberSpecializationInfo *SpecInfo 726 = D->getMemberSpecializationInfo()) { 727 Record.push_back(StaticDataMemberSpecialization); 728 Writer.AddDeclRef(SpecInfo->getInstantiatedFrom(), Record); 729 Record.push_back(SpecInfo->getTemplateSpecializationKind()); 730 Writer.AddSourceLocation(SpecInfo->getPointOfInstantiation(), Record); 731 } else { 732 Record.push_back(VarNotTemplate); 733 } 734 735 if (!D->hasAttrs() && 736 !D->isImplicit() && 737 !D->isUsed(false) && 738 !D->isInvalidDecl() && 739 !D->isReferenced() && 740 !D->isTopLevelDeclInObjCContainer() && 741 D->getAccess() == AS_none && 742 !D->isModulePrivate() && 743 D->getDeclName().getNameKind() == DeclarationName::Identifier && 744 !D->hasExtInfo() && 745 D->getFirstDecl() == D->getMostRecentDecl() && 746 D->getInitStyle() == VarDecl::CInit && 747 D->getInit() == 0 && 748 !isa<ParmVarDecl>(D) && 749 !isa<VarTemplateSpecializationDecl>(D) && 750 !D->isConstexpr() && 751 !D->isInitCapture() && 752 !D->isPreviousDeclInSameBlockScope() && 753 !D->getMemberSpecializationInfo()) 754 AbbrevToUse = Writer.getDeclVarAbbrev(); 755 756 Code = serialization::DECL_VAR; 757} 758 759void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) { 760 VisitVarDecl(D); 761 Code = serialization::DECL_IMPLICIT_PARAM; 762} 763 764void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) { 765 VisitVarDecl(D); 766 Record.push_back(D->isObjCMethodParameter()); 767 Record.push_back(D->getFunctionScopeDepth()); 768 Record.push_back(D->getFunctionScopeIndex()); 769 Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding 770 Record.push_back(D->isKNRPromoted()); 771 Record.push_back(D->hasInheritedDefaultArg()); 772 Record.push_back(D->hasUninstantiatedDefaultArg()); 773 if (D->hasUninstantiatedDefaultArg()) 774 Writer.AddStmt(D->getUninstantiatedDefaultArg()); 775 Code = serialization::DECL_PARM_VAR; 776 777 assert(!D->isARCPseudoStrong()); // can be true of ImplicitParamDecl 778 779 // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here 780 // we dynamically check for the properties that we optimize for, but don't 781 // know are true of all PARM_VAR_DECLs. 782 if (!D->hasAttrs() && 783 !D->hasExtInfo() && 784 !D->isImplicit() && 785 !D->isUsed(false) && 786 !D->isInvalidDecl() && 787 !D->isReferenced() && 788 D->getAccess() == AS_none && 789 !D->isModulePrivate() && 790 D->getStorageClass() == 0 && 791 D->getInitStyle() == VarDecl::CInit && // Can params have anything else? 792 D->getFunctionScopeDepth() == 0 && 793 D->getObjCDeclQualifier() == 0 && 794 !D->isKNRPromoted() && 795 !D->hasInheritedDefaultArg() && 796 D->getInit() == 0 && 797 !D->hasUninstantiatedDefaultArg()) // No default expr. 798 AbbrevToUse = Writer.getDeclParmVarAbbrev(); 799 800 // Check things we know are true of *every* PARM_VAR_DECL, which is more than 801 // just us assuming it. 802 assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS"); 803 assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private"); 804 assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var"); 805 assert(D->getPreviousDecl() == 0 && "PARM_VAR_DECL can't be redecl"); 806 assert(!D->isStaticDataMember() && 807 "PARM_VAR_DECL can't be static data member"); 808} 809 810void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { 811 VisitDecl(D); 812 Writer.AddStmt(D->getAsmString()); 813 Writer.AddSourceLocation(D->getRParenLoc(), Record); 814 Code = serialization::DECL_FILE_SCOPE_ASM; 815} 816 817void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) { 818 VisitDecl(D); 819 Code = serialization::DECL_EMPTY; 820} 821 822void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) { 823 VisitDecl(D); 824 Writer.AddStmt(D->getBody()); 825 Writer.AddTypeSourceInfo(D->getSignatureAsWritten(), Record); 826 Record.push_back(D->param_size()); 827 for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end(); 828 P != PEnd; ++P) 829 Writer.AddDeclRef(*P, Record); 830 Record.push_back(D->isVariadic()); 831 Record.push_back(D->blockMissingReturnType()); 832 Record.push_back(D->isConversionFromLambda()); 833 Record.push_back(D->capturesCXXThis()); 834 Record.push_back(D->getNumCaptures()); 835 for (BlockDecl::capture_iterator 836 i = D->capture_begin(), e = D->capture_end(); i != e; ++i) { 837 const BlockDecl::Capture &capture = *i; 838 Writer.AddDeclRef(capture.getVariable(), Record); 839 840 unsigned flags = 0; 841 if (capture.isByRef()) flags |= 1; 842 if (capture.isNested()) flags |= 2; 843 if (capture.hasCopyExpr()) flags |= 4; 844 Record.push_back(flags); 845 846 if (capture.hasCopyExpr()) Writer.AddStmt(capture.getCopyExpr()); 847 } 848 849 Code = serialization::DECL_BLOCK; 850} 851 852void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) { 853 Record.push_back(CD->getNumParams()); 854 VisitDecl(CD); 855 // Body is stored by VisitCapturedStmt. 856 for (unsigned i = 0; i < CD->getNumParams(); ++i) 857 Writer.AddDeclRef(CD->getParam(i), Record); 858 Code = serialization::DECL_CAPTURED; 859} 860 861void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { 862 VisitDecl(D); 863 Record.push_back(D->getLanguage()); 864 Writer.AddSourceLocation(D->getExternLoc(), Record); 865 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 866 Code = serialization::DECL_LINKAGE_SPEC; 867} 868 869void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) { 870 VisitNamedDecl(D); 871 Writer.AddSourceLocation(D->getLocStart(), Record); 872 Code = serialization::DECL_LABEL; 873} 874 875 876void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) { 877 VisitRedeclarable(D); 878 VisitNamedDecl(D); 879 Record.push_back(D->isInline()); 880 Writer.AddSourceLocation(D->getLocStart(), Record); 881 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 882 883 if (D->isOriginalNamespace()) 884 Writer.AddDeclRef(D->getAnonymousNamespace(), Record); 885 Code = serialization::DECL_NAMESPACE; 886 887 if (Writer.hasChain() && !D->isOriginalNamespace() && 888 D->getOriginalNamespace()->isFromASTFile()) { 889 NamespaceDecl *NS = D->getOriginalNamespace(); 890 Writer.AddUpdatedDeclContext(NS); 891 892 // Make sure all visible decls are written. They will be recorded later. 893 if (StoredDeclsMap *Map = NS->buildLookup()) { 894 for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end(); 895 D != DEnd; ++D) { 896 DeclContext::lookup_result R = D->second.getLookupResult(); 897 for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; 898 ++I) 899 Writer.GetDeclRef(*I); 900 } 901 } 902 } 903 904 if (Writer.hasChain() && D->isAnonymousNamespace() && 905 D == D->getMostRecentDecl()) { 906 // This is a most recent reopening of the anonymous namespace. If its parent 907 // is in a previous PCH (or is the TU), mark that parent for update, because 908 // the original namespace always points to the latest re-opening of its 909 // anonymous namespace. 910 Decl *Parent = cast<Decl>( 911 D->getParent()->getRedeclContext()->getPrimaryContext()); 912 if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Parent)) { 913 ASTWriter::UpdateRecord &Record = Writer.DeclUpdates[Parent]; 914 Record.push_back(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE); 915 Writer.AddDeclRef(D, Record); 916 } 917 } 918} 919 920void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 921 VisitNamedDecl(D); 922 Writer.AddSourceLocation(D->getNamespaceLoc(), Record); 923 Writer.AddSourceLocation(D->getTargetNameLoc(), Record); 924 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 925 Writer.AddDeclRef(D->getNamespace(), Record); 926 Code = serialization::DECL_NAMESPACE_ALIAS; 927} 928 929void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) { 930 VisitNamedDecl(D); 931 Writer.AddSourceLocation(D->getUsingLoc(), Record); 932 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 933 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 934 Writer.AddDeclRef(D->FirstUsingShadow.getPointer(), Record); 935 Record.push_back(D->hasTypename()); 936 Writer.AddDeclRef(Context.getInstantiatedFromUsingDecl(D), Record); 937 Code = serialization::DECL_USING; 938} 939 940void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) { 941 VisitNamedDecl(D); 942 Writer.AddDeclRef(D->getTargetDecl(), Record); 943 Writer.AddDeclRef(D->UsingOrNextShadow, Record); 944 Writer.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D), Record); 945 Code = serialization::DECL_USING_SHADOW; 946} 947 948void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 949 VisitNamedDecl(D); 950 Writer.AddSourceLocation(D->getUsingLoc(), Record); 951 Writer.AddSourceLocation(D->getNamespaceKeyLocation(), Record); 952 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 953 Writer.AddDeclRef(D->getNominatedNamespace(), Record); 954 Writer.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()), Record); 955 Code = serialization::DECL_USING_DIRECTIVE; 956} 957 958void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 959 VisitValueDecl(D); 960 Writer.AddSourceLocation(D->getUsingLoc(), Record); 961 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 962 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 963 Code = serialization::DECL_UNRESOLVED_USING_VALUE; 964} 965 966void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl( 967 UnresolvedUsingTypenameDecl *D) { 968 VisitTypeDecl(D); 969 Writer.AddSourceLocation(D->getTypenameLoc(), Record); 970 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 971 Code = serialization::DECL_UNRESOLVED_USING_TYPENAME; 972} 973 974void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) { 975 VisitRecordDecl(D); 976 Record.push_back(D->isThisDeclarationADefinition()); 977 if (D->isThisDeclarationADefinition()) 978 Writer.AddCXXDefinitionData(D, Record); 979 980 enum { 981 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization 982 }; 983 if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) { 984 Record.push_back(CXXRecTemplate); 985 Writer.AddDeclRef(TemplD, Record); 986 } else if (MemberSpecializationInfo *MSInfo 987 = D->getMemberSpecializationInfo()) { 988 Record.push_back(CXXRecMemberSpecialization); 989 Writer.AddDeclRef(MSInfo->getInstantiatedFrom(), Record); 990 Record.push_back(MSInfo->getTemplateSpecializationKind()); 991 Writer.AddSourceLocation(MSInfo->getPointOfInstantiation(), Record); 992 } else { 993 Record.push_back(CXXRecNotTemplate); 994 } 995 996 // Store (what we currently believe to be) the key function to avoid 997 // deserializing every method so we can compute it. 998 if (D->IsCompleteDefinition) 999 Writer.AddDeclRef(Context.getCurrentKeyFunction(D), Record); 1000 1001 Code = serialization::DECL_CXX_RECORD; 1002} 1003 1004void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) { 1005 VisitFunctionDecl(D); 1006 if (D->isCanonicalDecl()) { 1007 Record.push_back(D->size_overridden_methods()); 1008 for (CXXMethodDecl::method_iterator 1009 I = D->begin_overridden_methods(), E = D->end_overridden_methods(); 1010 I != E; ++I) 1011 Writer.AddDeclRef(*I, Record); 1012 } else { 1013 // We only need to record overridden methods once for the canonical decl. 1014 Record.push_back(0); 1015 } 1016 Code = serialization::DECL_CXX_METHOD; 1017} 1018 1019void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1020 VisitCXXMethodDecl(D); 1021 1022 Record.push_back(D->IsExplicitSpecified); 1023 Writer.AddCXXCtorInitializers(D->CtorInitializers, D->NumCtorInitializers, 1024 Record); 1025 1026 Code = serialization::DECL_CXX_CONSTRUCTOR; 1027} 1028 1029void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 1030 VisitCXXMethodDecl(D); 1031 1032 Writer.AddDeclRef(D->OperatorDelete, Record); 1033 1034 Code = serialization::DECL_CXX_DESTRUCTOR; 1035} 1036 1037void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) { 1038 VisitCXXMethodDecl(D); 1039 Record.push_back(D->IsExplicitSpecified); 1040 Code = serialization::DECL_CXX_CONVERSION; 1041} 1042 1043void ASTDeclWriter::VisitImportDecl(ImportDecl *D) { 1044 VisitDecl(D); 1045 Record.push_back(Writer.getSubmoduleID(D->getImportedModule())); 1046 ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs(); 1047 Record.push_back(!IdentifierLocs.empty()); 1048 if (IdentifierLocs.empty()) { 1049 Writer.AddSourceLocation(D->getLocEnd(), Record); 1050 Record.push_back(1); 1051 } else { 1052 for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I) 1053 Writer.AddSourceLocation(IdentifierLocs[I], Record); 1054 Record.push_back(IdentifierLocs.size()); 1055 } 1056 // Note: the number of source locations must always be the last element in 1057 // the record. 1058 Code = serialization::DECL_IMPORT; 1059} 1060 1061void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) { 1062 VisitDecl(D); 1063 Writer.AddSourceLocation(D->getColonLoc(), Record); 1064 Code = serialization::DECL_ACCESS_SPEC; 1065} 1066 1067void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) { 1068 // Record the number of friend type template parameter lists here 1069 // so as to simplify memory allocation during deserialization. 1070 Record.push_back(D->NumTPLists); 1071 VisitDecl(D); 1072 bool hasFriendDecl = D->Friend.is<NamedDecl*>(); 1073 Record.push_back(hasFriendDecl); 1074 if (hasFriendDecl) 1075 Writer.AddDeclRef(D->getFriendDecl(), Record); 1076 else 1077 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1078 for (unsigned i = 0; i < D->NumTPLists; ++i) 1079 Writer.AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i), 1080 Record); 1081 Writer.AddDeclRef(D->getNextFriend(), Record); 1082 Record.push_back(D->UnsupportedFriend); 1083 Writer.AddSourceLocation(D->FriendLoc, Record); 1084 Code = serialization::DECL_FRIEND; 1085} 1086 1087void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) { 1088 VisitDecl(D); 1089 Record.push_back(D->getNumTemplateParameters()); 1090 for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i) 1091 Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record); 1092 Record.push_back(D->getFriendDecl() != 0); 1093 if (D->getFriendDecl()) 1094 Writer.AddDeclRef(D->getFriendDecl(), Record); 1095 else 1096 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1097 Writer.AddSourceLocation(D->getFriendLoc(), Record); 1098 Code = serialization::DECL_FRIEND_TEMPLATE; 1099} 1100 1101void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) { 1102 VisitNamedDecl(D); 1103 1104 Writer.AddDeclRef(D->getTemplatedDecl(), Record); 1105 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1106} 1107 1108void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { 1109 VisitRedeclarable(D); 1110 1111 // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that 1112 // getCommonPtr() can be used while this is still initializing. 1113 if (D->isFirstDecl()) { 1114 // This declaration owns the 'common' pointer, so serialize that data now. 1115 Writer.AddDeclRef(D->getInstantiatedFromMemberTemplate(), Record); 1116 if (D->getInstantiatedFromMemberTemplate()) 1117 Record.push_back(D->isMemberSpecialization()); 1118 } 1119 1120 VisitTemplateDecl(D); 1121 Record.push_back(D->getIdentifierNamespace()); 1122} 1123 1124void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) { 1125 VisitRedeclarableTemplateDecl(D); 1126 1127 if (D->isFirstDecl()) { 1128 typedef llvm::FoldingSetVector<ClassTemplateSpecializationDecl> CTSDSetTy; 1129 CTSDSetTy &CTSDSet = D->getSpecializations(); 1130 Record.push_back(CTSDSet.size()); 1131 for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) { 1132 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1133 Writer.AddDeclRef(&*I, Record); 1134 } 1135 1136 typedef llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> 1137 CTPSDSetTy; 1138 CTPSDSetTy &CTPSDSet = D->getPartialSpecializations(); 1139 Record.push_back(CTPSDSet.size()); 1140 for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) { 1141 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1142 Writer.AddDeclRef(&*I, Record); 1143 } 1144 1145 Writer.AddTypeRef(D->getCommonPtr()->InjectedClassNameType, Record); 1146 } 1147 Code = serialization::DECL_CLASS_TEMPLATE; 1148} 1149 1150void ASTDeclWriter::VisitClassTemplateSpecializationDecl( 1151 ClassTemplateSpecializationDecl *D) { 1152 VisitCXXRecordDecl(D); 1153 1154 llvm::PointerUnion<ClassTemplateDecl *, 1155 ClassTemplatePartialSpecializationDecl *> InstFrom 1156 = D->getSpecializedTemplateOrPartial(); 1157 if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) { 1158 Writer.AddDeclRef(InstFromD, Record); 1159 } else { 1160 Writer.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>(), 1161 Record); 1162 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1163 } 1164 1165 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1166 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1167 Record.push_back(D->getSpecializationKind()); 1168 Record.push_back(D->isCanonicalDecl()); 1169 1170 if (D->isCanonicalDecl()) { 1171 // When reading, we'll add it to the folding set of the following template. 1172 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1173 } 1174 1175 // Explicit info. 1176 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1177 if (D->getTypeAsWritten()) { 1178 Writer.AddSourceLocation(D->getExternLoc(), Record); 1179 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1180 } 1181 1182 Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION; 1183} 1184 1185void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl( 1186 ClassTemplatePartialSpecializationDecl *D) { 1187 VisitClassTemplateSpecializationDecl(D); 1188 1189 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1190 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1191 1192 // These are read/set from/to the first declaration. 1193 if (D->getPreviousDecl() == 0) { 1194 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1195 Record.push_back(D->isMemberSpecialization()); 1196 } 1197 1198 Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION; 1199} 1200 1201void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) { 1202 VisitRedeclarableTemplateDecl(D); 1203 1204 if (D->isFirstDecl()) { 1205 typedef llvm::FoldingSetVector<VarTemplateSpecializationDecl> VTSDSetTy; 1206 VTSDSetTy &VTSDSet = D->getSpecializations(); 1207 Record.push_back(VTSDSet.size()); 1208 for (VTSDSetTy::iterator I = VTSDSet.begin(), E = VTSDSet.end(); I != E; 1209 ++I) { 1210 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1211 Writer.AddDeclRef(&*I, Record); 1212 } 1213 1214 typedef llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> 1215 VTPSDSetTy; 1216 VTPSDSetTy &VTPSDSet = D->getPartialSpecializations(); 1217 Record.push_back(VTPSDSet.size()); 1218 for (VTPSDSetTy::iterator I = VTPSDSet.begin(), E = VTPSDSet.end(); I != E; 1219 ++I) { 1220 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1221 Writer.AddDeclRef(&*I, Record); 1222 } 1223 } 1224 Code = serialization::DECL_VAR_TEMPLATE; 1225} 1226 1227void ASTDeclWriter::VisitVarTemplateSpecializationDecl( 1228 VarTemplateSpecializationDecl *D) { 1229 VisitVarDecl(D); 1230 1231 llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> 1232 InstFrom = D->getSpecializedTemplateOrPartial(); 1233 if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) { 1234 Writer.AddDeclRef(InstFromD, Record); 1235 } else { 1236 Writer.AddDeclRef(InstFrom.get<VarTemplatePartialSpecializationDecl *>(), 1237 Record); 1238 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1239 } 1240 1241 // Explicit info. 1242 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1243 if (D->getTypeAsWritten()) { 1244 Writer.AddSourceLocation(D->getExternLoc(), Record); 1245 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1246 } 1247 1248 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1249 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1250 Record.push_back(D->getSpecializationKind()); 1251 Record.push_back(D->isCanonicalDecl()); 1252 1253 if (D->isCanonicalDecl()) { 1254 // When reading, we'll add it to the folding set of the following template. 1255 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1256 } 1257 1258 Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION; 1259} 1260 1261void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl( 1262 VarTemplatePartialSpecializationDecl *D) { 1263 VisitVarTemplateSpecializationDecl(D); 1264 1265 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1266 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1267 1268 // These are read/set from/to the first declaration. 1269 if (D->getPreviousDecl() == 0) { 1270 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1271 Record.push_back(D->isMemberSpecialization()); 1272 } 1273 1274 Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION; 1275} 1276 1277void ASTDeclWriter::VisitClassScopeFunctionSpecializationDecl( 1278 ClassScopeFunctionSpecializationDecl *D) { 1279 VisitDecl(D); 1280 Writer.AddDeclRef(D->getSpecialization(), Record); 1281 Code = serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION; 1282} 1283 1284 1285void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 1286 VisitRedeclarableTemplateDecl(D); 1287 1288 if (D->isFirstDecl()) { 1289 // This FunctionTemplateDecl owns the CommonPtr; write it. 1290 1291 // Write the function specialization declarations. 1292 Record.push_back(D->getSpecializations().size()); 1293 for (llvm::FoldingSetVector<FunctionTemplateSpecializationInfo>::iterator 1294 I = D->getSpecializations().begin(), 1295 E = D->getSpecializations().end() ; I != E; ++I) { 1296 assert(I->Function->isCanonicalDecl() && 1297 "Expected only canonical decls in set"); 1298 Writer.AddDeclRef(I->Function, Record); 1299 } 1300 } 1301 Code = serialization::DECL_FUNCTION_TEMPLATE; 1302} 1303 1304void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { 1305 VisitTypeDecl(D); 1306 1307 Record.push_back(D->wasDeclaredWithTypename()); 1308 Record.push_back(D->defaultArgumentWasInherited()); 1309 Writer.AddTypeSourceInfo(D->getDefaultArgumentInfo(), Record); 1310 1311 Code = serialization::DECL_TEMPLATE_TYPE_PARM; 1312} 1313 1314void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { 1315 // For an expanded parameter pack, record the number of expansion types here 1316 // so that it's easier for deserialization to allocate the right amount of 1317 // memory. 1318 if (D->isExpandedParameterPack()) 1319 Record.push_back(D->getNumExpansionTypes()); 1320 1321 VisitDeclaratorDecl(D); 1322 // TemplateParmPosition. 1323 Record.push_back(D->getDepth()); 1324 Record.push_back(D->getPosition()); 1325 1326 if (D->isExpandedParameterPack()) { 1327 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { 1328 Writer.AddTypeRef(D->getExpansionType(I), Record); 1329 Writer.AddTypeSourceInfo(D->getExpansionTypeSourceInfo(I), Record); 1330 } 1331 1332 Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK; 1333 } else { 1334 // Rest of NonTypeTemplateParmDecl. 1335 Record.push_back(D->isParameterPack()); 1336 Record.push_back(D->getDefaultArgument() != 0); 1337 if (D->getDefaultArgument()) { 1338 Writer.AddStmt(D->getDefaultArgument()); 1339 Record.push_back(D->defaultArgumentWasInherited()); 1340 } 1341 Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM; 1342 } 1343} 1344 1345void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { 1346 // For an expanded parameter pack, record the number of expansion types here 1347 // so that it's easier for deserialization to allocate the right amount of 1348 // memory. 1349 if (D->isExpandedParameterPack()) 1350 Record.push_back(D->getNumExpansionTemplateParameters()); 1351 1352 VisitTemplateDecl(D); 1353 // TemplateParmPosition. 1354 Record.push_back(D->getDepth()); 1355 Record.push_back(D->getPosition()); 1356 1357 if (D->isExpandedParameterPack()) { 1358 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); 1359 I != N; ++I) 1360 Writer.AddTemplateParameterList(D->getExpansionTemplateParameters(I), 1361 Record); 1362 Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK; 1363 } else { 1364 // Rest of TemplateTemplateParmDecl. 1365 Writer.AddTemplateArgumentLoc(D->getDefaultArgument(), Record); 1366 Record.push_back(D->defaultArgumentWasInherited()); 1367 Record.push_back(D->isParameterPack()); 1368 Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM; 1369 } 1370} 1371 1372void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { 1373 VisitRedeclarableTemplateDecl(D); 1374 Code = serialization::DECL_TYPE_ALIAS_TEMPLATE; 1375} 1376 1377void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) { 1378 VisitDecl(D); 1379 Writer.AddStmt(D->getAssertExpr()); 1380 Record.push_back(D->isFailed()); 1381 Writer.AddStmt(D->getMessage()); 1382 Writer.AddSourceLocation(D->getRParenLoc(), Record); 1383 Code = serialization::DECL_STATIC_ASSERT; 1384} 1385 1386/// \brief Emit the DeclContext part of a declaration context decl. 1387/// 1388/// \param LexicalOffset the offset at which the DECL_CONTEXT_LEXICAL 1389/// block for this declaration context is stored. May be 0 to indicate 1390/// that there are no declarations stored within this context. 1391/// 1392/// \param VisibleOffset the offset at which the DECL_CONTEXT_VISIBLE 1393/// block for this declaration context is stored. May be 0 to indicate 1394/// that there are no declarations visible from this context. Note 1395/// that this value will not be emitted for non-primary declaration 1396/// contexts. 1397void ASTDeclWriter::VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 1398 uint64_t VisibleOffset) { 1399 Record.push_back(LexicalOffset); 1400 Record.push_back(VisibleOffset); 1401} 1402 1403template <typename T> 1404void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) { 1405 T *First = D->getFirstDecl(); 1406 if (First->getMostRecentDecl() != First) { 1407 assert(isRedeclarableDeclKind(static_cast<T *>(D)->getKind()) && 1408 "Not considered redeclarable?"); 1409 1410 // There is more than one declaration of this entity, so we will need to 1411 // write a redeclaration chain. 1412 Writer.AddDeclRef(First, Record); 1413 Writer.Redeclarations.insert(First); 1414 1415 // Make sure that we serialize both the previous and the most-recent 1416 // declarations, which (transitively) ensures that all declarations in the 1417 // chain get serialized. 1418 (void)Writer.GetDeclRef(D->getPreviousDecl()); 1419 (void)Writer.GetDeclRef(First->getMostRecentDecl()); 1420 } else { 1421 // We use the sentinel value 0 to indicate an only declaration. 1422 Record.push_back(0); 1423 } 1424 1425} 1426 1427void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { 1428 Record.push_back(D->varlist_size()); 1429 VisitDecl(D); 1430 for (OMPThreadPrivateDecl::varlist_iterator I = D->varlist_begin(), 1431 E = D->varlist_end(); 1432 I != E; ++I) 1433 Writer.AddStmt(*I); 1434 Code = serialization::DECL_OMP_THREADPRIVATE; 1435} 1436 1437//===----------------------------------------------------------------------===// 1438// ASTWriter Implementation 1439//===----------------------------------------------------------------------===// 1440 1441void ASTWriter::WriteDeclsBlockAbbrevs() { 1442 using namespace llvm; 1443 1444 BitCodeAbbrev *Abv; 1445 1446 // Abbreviation for DECL_FIELD 1447 Abv = new BitCodeAbbrev(); 1448 Abv->Add(BitCodeAbbrevOp(serialization::DECL_FIELD)); 1449 // Decl 1450 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1451 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1452 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1453 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1454 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1455 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1456 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1457 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1458 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1459 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1460 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1461 // NamedDecl 1462 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1463 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1464 // ValueDecl 1465 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1466 // DeclaratorDecl 1467 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1468 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1469 // FieldDecl 1470 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1471 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1472 // Type Source Info 1473 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1474 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1475 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1476 DeclFieldAbbrev = Stream.EmitAbbrev(Abv); 1477 1478 // Abbreviation for DECL_OBJC_IVAR 1479 Abv = new BitCodeAbbrev(); 1480 Abv->Add(BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR)); 1481 // Decl 1482 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1483 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1484 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1485 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1486 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1487 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1488 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1489 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1490 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1491 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1492 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1493 // NamedDecl 1494 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1495 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1496 // ValueDecl 1497 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1498 // DeclaratorDecl 1499 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1500 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1501 // FieldDecl 1502 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1503 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1504 // ObjC Ivar 1505 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl 1506 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize 1507 // Type Source Info 1508 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1509 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1510 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1511 DeclObjCIvarAbbrev = Stream.EmitAbbrev(Abv); 1512 1513 // Abbreviation for DECL_ENUM 1514 Abv = new BitCodeAbbrev(); 1515 Abv->Add(BitCodeAbbrevOp(serialization::DECL_ENUM)); 1516 // Redeclarable 1517 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1518 // Decl 1519 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1520 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1521 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1522 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1523 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1524 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1525 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1526 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1527 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1528 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1529 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1530 // NamedDecl 1531 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1532 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1533 // TypeDecl 1534 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1535 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1536 // TagDecl 1537 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1538 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1539 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1540 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1541 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1542 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1543 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1544 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1545 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1546 // EnumDecl 1547 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef 1548 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType 1549 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType 1550 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumPositiveBits 1551 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumNegativeBits 1552 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScoped 1553 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScopedUsingClassTag 1554 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isFixed 1555 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum 1556 // DC 1557 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1558 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1559 DeclEnumAbbrev = Stream.EmitAbbrev(Abv); 1560 1561 // Abbreviation for DECL_RECORD 1562 Abv = new BitCodeAbbrev(); 1563 Abv->Add(BitCodeAbbrevOp(serialization::DECL_RECORD)); 1564 // Redeclarable 1565 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1566 // Decl 1567 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1568 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1569 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1570 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1571 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1572 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1573 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1574 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1575 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1576 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1577 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1578 // NamedDecl 1579 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1580 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1581 // TypeDecl 1582 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1583 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1584 // TagDecl 1585 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1586 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1587 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1588 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1589 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1590 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1591 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1592 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1593 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1594 // RecordDecl 1595 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FlexibleArrayMember 1596 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion 1597 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember 1598 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember 1599 // DC 1600 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1601 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1602 DeclRecordAbbrev = Stream.EmitAbbrev(Abv); 1603 1604 // Abbreviation for DECL_PARM_VAR 1605 Abv = new BitCodeAbbrev(); 1606 Abv->Add(BitCodeAbbrevOp(serialization::DECL_PARM_VAR)); 1607 // Redeclarable 1608 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1609 // Decl 1610 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1611 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1612 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1613 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1614 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1615 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1616 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1617 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1618 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1619 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1620 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1621 // NamedDecl 1622 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1623 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1624 // ValueDecl 1625 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1626 // DeclaratorDecl 1627 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1628 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1629 // VarDecl 1630 Abv->Add(BitCodeAbbrevOp(0)); // StorageClass 1631 Abv->Add(BitCodeAbbrevOp(0)); // getTSCSpec 1632 Abv->Add(BitCodeAbbrevOp(0)); // hasCXXDirectInitializer 1633 Abv->Add(BitCodeAbbrevOp(0)); // isExceptionVariable 1634 Abv->Add(BitCodeAbbrevOp(0)); // isNRVOVariable 1635 Abv->Add(BitCodeAbbrevOp(0)); // isCXXForRangeDecl 1636 Abv->Add(BitCodeAbbrevOp(0)); // isARCPseudoStrong 1637 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1638 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1639 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1640 Abv->Add(BitCodeAbbrevOp(0)); // Linkage 1641 Abv->Add(BitCodeAbbrevOp(0)); // HasInit 1642 Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo 1643 // ParmVarDecl 1644 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsObjCMethodParameter 1645 Abv->Add(BitCodeAbbrevOp(0)); // ScopeDepth 1646 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex 1647 Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier 1648 Abv->Add(BitCodeAbbrevOp(0)); // KNRPromoted 1649 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg 1650 Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg 1651 // Type Source Info 1652 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1653 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1654 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1655 DeclParmVarAbbrev = Stream.EmitAbbrev(Abv); 1656 1657 // Abbreviation for DECL_TYPEDEF 1658 Abv = new BitCodeAbbrev(); 1659 Abv->Add(BitCodeAbbrevOp(serialization::DECL_TYPEDEF)); 1660 // Redeclarable 1661 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1662 // Decl 1663 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1664 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1665 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1666 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1667 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1668 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1669 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1670 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1671 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1672 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1673 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1674 // NamedDecl 1675 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1676 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1677 // TypeDecl 1678 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1679 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1680 // TypedefDecl 1681 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1682 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1683 DeclTypedefAbbrev = Stream.EmitAbbrev(Abv); 1684 1685 // Abbreviation for DECL_VAR 1686 Abv = new BitCodeAbbrev(); 1687 Abv->Add(BitCodeAbbrevOp(serialization::DECL_VAR)); 1688 // Redeclarable 1689 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1690 // Decl 1691 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1692 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1693 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1694 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1695 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1696 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1697 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1698 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1699 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1700 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1701 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1702 // NamedDecl 1703 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1704 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1705 // ValueDecl 1706 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1707 // DeclaratorDecl 1708 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1709 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1710 // VarDecl 1711 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // StorageClass 1712 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getTSCSpec 1713 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // CXXDirectInitializer 1714 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isExceptionVariable 1715 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isNRVOVariable 1716 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCXXForRangeDecl 1717 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong 1718 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1719 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1720 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1721 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1722 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasInit 1723 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasMemberSpecInfo 1724 // Type Source Info 1725 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1726 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1727 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1728 DeclVarAbbrev = Stream.EmitAbbrev(Abv); 1729 1730 // Abbreviation for EXPR_DECL_REF 1731 Abv = new BitCodeAbbrev(); 1732 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_DECL_REF)); 1733 //Stmt 1734 //Expr 1735 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1736 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1737 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1738 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1739 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1740 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1741 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1742 //DeclRefExpr 1743 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HasQualifier 1744 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //GetDeclFound 1745 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ExplicitTemplateArgs 1746 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HadMultipleCandidates 1747 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //RefersToEnclosingLocal 1748 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef 1749 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1750 DeclRefExprAbbrev = Stream.EmitAbbrev(Abv); 1751 1752 // Abbreviation for EXPR_INTEGER_LITERAL 1753 Abv = new BitCodeAbbrev(); 1754 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL)); 1755 //Stmt 1756 //Expr 1757 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1758 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1759 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1760 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1761 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1762 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1763 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1764 //Integer Literal 1765 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1766 Abv->Add(BitCodeAbbrevOp(32)); // Bit Width 1767 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value 1768 IntegerLiteralAbbrev = Stream.EmitAbbrev(Abv); 1769 1770 // Abbreviation for EXPR_CHARACTER_LITERAL 1771 Abv = new BitCodeAbbrev(); 1772 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL)); 1773 //Stmt 1774 //Expr 1775 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1776 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1777 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1778 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1779 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1780 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1781 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1782 //Character Literal 1783 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue 1784 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1785 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getKind 1786 CharacterLiteralAbbrev = Stream.EmitAbbrev(Abv); 1787 1788 Abv = new BitCodeAbbrev(); 1789 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL)); 1790 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1791 DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abv); 1792 1793 Abv = new BitCodeAbbrev(); 1794 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE)); 1795 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); 1796 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1797 DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(Abv); 1798} 1799 1800/// isRequiredDecl - Check if this is a "required" Decl, which must be seen by 1801/// consumers of the AST. 1802/// 1803/// Such decls will always be deserialized from the AST file, so we would like 1804/// this to be as restrictive as possible. Currently the predicate is driven by 1805/// code generation requirements, if other clients have a different notion of 1806/// what is "required" then we may have to consider an alternate scheme where 1807/// clients can iterate over the top-level decls and get information on them, 1808/// without necessary deserializing them. We could explicitly require such 1809/// clients to use a separate API call to "realize" the decl. This should be 1810/// relatively painless since they would presumably only do it for top-level 1811/// decls. 1812static bool isRequiredDecl(const Decl *D, ASTContext &Context) { 1813 // An ObjCMethodDecl is never considered as "required" because its 1814 // implementation container always is. 1815 1816 // File scoped assembly or obj-c implementation must be seen. 1817 if (isa<FileScopeAsmDecl>(D) || isa<ObjCImplDecl>(D)) 1818 return true; 1819 1820 return Context.DeclMustBeEmitted(D); 1821} 1822 1823void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { 1824 // Switch case IDs are per Decl. 1825 ClearSwitchCaseIDs(); 1826 1827 RecordData Record; 1828 ASTDeclWriter W(*this, Context, Record); 1829 1830 // Determine the ID for this declaration. 1831 serialization::DeclID ID; 1832 if (D->isFromASTFile()) 1833 ID = getDeclID(D); 1834 else { 1835 serialization::DeclID &IDR = DeclIDs[D]; 1836 if (IDR == 0) 1837 IDR = NextDeclID++; 1838 1839 ID= IDR; 1840 } 1841 1842 bool isReplacingADecl = ID < FirstDeclID; 1843 1844 // If this declaration is also a DeclContext, write blocks for the 1845 // declarations that lexically stored inside its context and those 1846 // declarations that are visible from its context. These blocks 1847 // are written before the declaration itself so that we can put 1848 // their offsets into the record for the declaration. 1849 uint64_t LexicalOffset = 0; 1850 uint64_t VisibleOffset = 0; 1851 DeclContext *DC = dyn_cast<DeclContext>(D); 1852 if (DC) { 1853 if (isReplacingADecl) { 1854 // It is replacing a decl from a chained PCH; make sure that the 1855 // DeclContext is fully loaded. 1856 if (DC->hasExternalLexicalStorage()) 1857 DC->LoadLexicalDeclsFromExternalStorage(); 1858 if (DC->hasExternalVisibleStorage()) 1859 Chain->completeVisibleDeclsMap(DC); 1860 } 1861 LexicalOffset = WriteDeclContextLexicalBlock(Context, DC); 1862 VisibleOffset = WriteDeclContextVisibleBlock(Context, DC); 1863 } 1864 1865 if (isReplacingADecl) { 1866 // We're replacing a decl in a previous file. 1867 ReplacedDecls.push_back(ReplacedDeclInfo(ID, Stream.GetCurrentBitNo(), 1868 D->getLocation())); 1869 } else { 1870 unsigned Index = ID - FirstDeclID; 1871 1872 // Record the offset for this declaration 1873 SourceLocation Loc = D->getLocation(); 1874 if (DeclOffsets.size() == Index) 1875 DeclOffsets.push_back(DeclOffset(Loc, Stream.GetCurrentBitNo())); 1876 else if (DeclOffsets.size() < Index) { 1877 DeclOffsets.resize(Index+1); 1878 DeclOffsets[Index].setLocation(Loc); 1879 DeclOffsets[Index].BitOffset = Stream.GetCurrentBitNo(); 1880 } 1881 1882 SourceManager &SM = Context.getSourceManager(); 1883 if (Loc.isValid() && SM.isLocalSourceLocation(Loc)) 1884 associateDeclWithFile(D, ID); 1885 } 1886 1887 // Build and emit a record for this declaration 1888 Record.clear(); 1889 W.Code = (serialization::DeclCode)0; 1890 W.AbbrevToUse = 0; 1891 W.Visit(D); 1892 if (DC) W.VisitDeclContext(DC, LexicalOffset, VisibleOffset); 1893 1894 if (!W.Code) 1895 llvm::report_fatal_error(StringRef("unexpected declaration kind '") + 1896 D->getDeclKindName() + "'"); 1897 Stream.EmitRecord(W.Code, Record, W.AbbrevToUse); 1898 1899 // Flush any expressions that were written as part of this declaration. 1900 FlushStmts(); 1901 1902 // Flush C++ base specifiers, if there are any. 1903 FlushCXXBaseSpecifiers(); 1904 1905 // Note "external" declarations so that we can add them to a record in the 1906 // AST file later. 1907 // 1908 // FIXME: This should be renamed, the predicate is much more complicated. 1909 if (isRequiredDecl(D, Context)) 1910 ExternalDefinitions.push_back(ID); 1911} 1912