ASTWriterDecl.cpp revision 263508
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 Record.push_back(D->getBackingIvarReferencedInAccessor()); 532 533 if (!D->hasAttrs() && 534 !D->isImplicit() && 535 !D->isUsed(false) && 536 !D->isInvalidDecl() && 537 !D->isReferenced() && 538 !D->isModulePrivate() && 539 !D->getBitWidth() && 540 !D->hasExtInfo() && 541 D->getDeclName()) 542 AbbrevToUse = Writer.getDeclObjCIvarAbbrev(); 543 544 Code = serialization::DECL_OBJC_IVAR; 545} 546 547void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { 548 VisitRedeclarable(D); 549 VisitObjCContainerDecl(D); 550 551 Record.push_back(D->isThisDeclarationADefinition()); 552 if (D->isThisDeclarationADefinition()) { 553 Record.push_back(D->protocol_size()); 554 for (ObjCProtocolDecl::protocol_iterator 555 I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I) 556 Writer.AddDeclRef(*I, Record); 557 for (ObjCProtocolDecl::protocol_loc_iterator PL = D->protocol_loc_begin(), 558 PLEnd = D->protocol_loc_end(); 559 PL != PLEnd; ++PL) 560 Writer.AddSourceLocation(*PL, Record); 561 } 562 563 Code = serialization::DECL_OBJC_PROTOCOL; 564} 565 566void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) { 567 VisitFieldDecl(D); 568 Code = serialization::DECL_OBJC_AT_DEFS_FIELD; 569} 570 571void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { 572 VisitObjCContainerDecl(D); 573 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 574 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 575 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 576 Writer.AddDeclRef(D->getClassInterface(), Record); 577 Record.push_back(D->protocol_size()); 578 for (ObjCCategoryDecl::protocol_iterator 579 I = D->protocol_begin(), IEnd = D->protocol_end(); I != IEnd; ++I) 580 Writer.AddDeclRef(*I, Record); 581 for (ObjCCategoryDecl::protocol_loc_iterator 582 PL = D->protocol_loc_begin(), PLEnd = D->protocol_loc_end(); 583 PL != PLEnd; ++PL) 584 Writer.AddSourceLocation(*PL, Record); 585 Code = serialization::DECL_OBJC_CATEGORY; 586} 587 588void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) { 589 VisitNamedDecl(D); 590 Writer.AddDeclRef(D->getClassInterface(), Record); 591 Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS; 592} 593 594void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { 595 VisitNamedDecl(D); 596 Writer.AddSourceLocation(D->getAtLoc(), Record); 597 Writer.AddSourceLocation(D->getLParenLoc(), Record); 598 Writer.AddTypeSourceInfo(D->getTypeSourceInfo(), Record); 599 // FIXME: stable encoding 600 Record.push_back((unsigned)D->getPropertyAttributes()); 601 Record.push_back((unsigned)D->getPropertyAttributesAsWritten()); 602 // FIXME: stable encoding 603 Record.push_back((unsigned)D->getPropertyImplementation()); 604 Writer.AddDeclarationName(D->getGetterName(), Record); 605 Writer.AddDeclarationName(D->getSetterName(), Record); 606 Writer.AddDeclRef(D->getGetterMethodDecl(), Record); 607 Writer.AddDeclRef(D->getSetterMethodDecl(), Record); 608 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 609 Code = serialization::DECL_OBJC_PROPERTY; 610} 611 612void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) { 613 VisitObjCContainerDecl(D); 614 Writer.AddDeclRef(D->getClassInterface(), Record); 615 // Abstract class (no need to define a stable serialization::DECL code). 616} 617 618void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { 619 VisitObjCImplDecl(D); 620 Writer.AddIdentifierRef(D->getIdentifier(), Record); 621 Writer.AddSourceLocation(D->getCategoryNameLoc(), Record); 622 Code = serialization::DECL_OBJC_CATEGORY_IMPL; 623} 624 625void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { 626 VisitObjCImplDecl(D); 627 Writer.AddDeclRef(D->getSuperClass(), Record); 628 Writer.AddSourceLocation(D->getSuperClassLoc(), Record); 629 Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record); 630 Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record); 631 Record.push_back(D->hasNonZeroConstructors()); 632 Record.push_back(D->hasDestructors()); 633 Writer.AddCXXCtorInitializers(D->IvarInitializers, D->NumIvarInitializers, 634 Record); 635 Code = serialization::DECL_OBJC_IMPLEMENTATION; 636} 637 638void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { 639 VisitDecl(D); 640 Writer.AddSourceLocation(D->getLocStart(), Record); 641 Writer.AddDeclRef(D->getPropertyDecl(), Record); 642 Writer.AddDeclRef(D->getPropertyIvarDecl(), Record); 643 Writer.AddSourceLocation(D->getPropertyIvarDeclLoc(), Record); 644 Writer.AddStmt(D->getGetterCXXConstructor()); 645 Writer.AddStmt(D->getSetterCXXAssignment()); 646 Code = serialization::DECL_OBJC_PROPERTY_IMPL; 647} 648 649void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) { 650 VisitDeclaratorDecl(D); 651 Record.push_back(D->isMutable()); 652 if (D->InitializerOrBitWidth.getInt() != ICIS_NoInit || 653 D->InitializerOrBitWidth.getPointer()) { 654 Record.push_back(D->InitializerOrBitWidth.getInt() + 1); 655 Writer.AddStmt(D->InitializerOrBitWidth.getPointer()); 656 } else { 657 Record.push_back(0); 658 } 659 if (!D->getDeclName()) 660 Writer.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D), Record); 661 662 if (!D->hasAttrs() && 663 !D->isImplicit() && 664 !D->isUsed(false) && 665 !D->isInvalidDecl() && 666 !D->isReferenced() && 667 !D->isTopLevelDeclInObjCContainer() && 668 !D->isModulePrivate() && 669 !D->getBitWidth() && 670 !D->hasInClassInitializer() && 671 !D->hasExtInfo() && 672 !ObjCIvarDecl::classofKind(D->getKind()) && 673 !ObjCAtDefsFieldDecl::classofKind(D->getKind()) && 674 D->getDeclName()) 675 AbbrevToUse = Writer.getDeclFieldAbbrev(); 676 677 Code = serialization::DECL_FIELD; 678} 679 680void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) { 681 VisitDeclaratorDecl(D); 682 Writer.AddIdentifierRef(D->getGetterId(), Record); 683 Writer.AddIdentifierRef(D->getSetterId(), Record); 684 Code = serialization::DECL_MS_PROPERTY; 685} 686 687void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { 688 VisitValueDecl(D); 689 Record.push_back(D->getChainingSize()); 690 691 for (IndirectFieldDecl::chain_iterator 692 P = D->chain_begin(), 693 PEnd = D->chain_end(); P != PEnd; ++P) 694 Writer.AddDeclRef(*P, Record); 695 Code = serialization::DECL_INDIRECTFIELD; 696} 697 698void ASTDeclWriter::VisitVarDecl(VarDecl *D) { 699 VisitRedeclarable(D); 700 VisitDeclaratorDecl(D); 701 Record.push_back(D->getStorageClass()); 702 Record.push_back(D->getTSCSpec()); 703 Record.push_back(D->getInitStyle()); 704 Record.push_back(D->isExceptionVariable()); 705 Record.push_back(D->isNRVOVariable()); 706 Record.push_back(D->isCXXForRangeDecl()); 707 Record.push_back(D->isARCPseudoStrong()); 708 Record.push_back(D->isConstexpr()); 709 Record.push_back(D->isInitCapture()); 710 Record.push_back(D->isPreviousDeclInSameBlockScope()); 711 Record.push_back(D->getLinkageInternal()); 712 713 if (D->getInit()) { 714 Record.push_back(!D->isInitKnownICE() ? 1 : (D->isInitICE() ? 3 : 2)); 715 Writer.AddStmt(D->getInit()); 716 } else { 717 Record.push_back(0); 718 } 719 720 enum { 721 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization 722 }; 723 if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) { 724 Record.push_back(VarTemplate); 725 Writer.AddDeclRef(TemplD, Record); 726 } else if (MemberSpecializationInfo *SpecInfo 727 = D->getMemberSpecializationInfo()) { 728 Record.push_back(StaticDataMemberSpecialization); 729 Writer.AddDeclRef(SpecInfo->getInstantiatedFrom(), Record); 730 Record.push_back(SpecInfo->getTemplateSpecializationKind()); 731 Writer.AddSourceLocation(SpecInfo->getPointOfInstantiation(), Record); 732 } else { 733 Record.push_back(VarNotTemplate); 734 } 735 736 if (!D->hasAttrs() && 737 !D->isImplicit() && 738 !D->isUsed(false) && 739 !D->isInvalidDecl() && 740 !D->isReferenced() && 741 !D->isTopLevelDeclInObjCContainer() && 742 D->getAccess() == AS_none && 743 !D->isModulePrivate() && 744 D->getDeclName().getNameKind() == DeclarationName::Identifier && 745 !D->hasExtInfo() && 746 D->getFirstDecl() == D->getMostRecentDecl() && 747 D->getInitStyle() == VarDecl::CInit && 748 D->getInit() == 0 && 749 !isa<ParmVarDecl>(D) && 750 !isa<VarTemplateSpecializationDecl>(D) && 751 !D->isConstexpr() && 752 !D->isInitCapture() && 753 !D->isPreviousDeclInSameBlockScope() && 754 !D->getMemberSpecializationInfo()) 755 AbbrevToUse = Writer.getDeclVarAbbrev(); 756 757 Code = serialization::DECL_VAR; 758} 759 760void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) { 761 VisitVarDecl(D); 762 Code = serialization::DECL_IMPLICIT_PARAM; 763} 764 765void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) { 766 VisitVarDecl(D); 767 Record.push_back(D->isObjCMethodParameter()); 768 Record.push_back(D->getFunctionScopeDepth()); 769 Record.push_back(D->getFunctionScopeIndex()); 770 Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding 771 Record.push_back(D->isKNRPromoted()); 772 Record.push_back(D->hasInheritedDefaultArg()); 773 Record.push_back(D->hasUninstantiatedDefaultArg()); 774 if (D->hasUninstantiatedDefaultArg()) 775 Writer.AddStmt(D->getUninstantiatedDefaultArg()); 776 Code = serialization::DECL_PARM_VAR; 777 778 assert(!D->isARCPseudoStrong()); // can be true of ImplicitParamDecl 779 780 // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here 781 // we dynamically check for the properties that we optimize for, but don't 782 // know are true of all PARM_VAR_DECLs. 783 if (!D->hasAttrs() && 784 !D->hasExtInfo() && 785 !D->isImplicit() && 786 !D->isUsed(false) && 787 !D->isInvalidDecl() && 788 !D->isReferenced() && 789 D->getAccess() == AS_none && 790 !D->isModulePrivate() && 791 D->getStorageClass() == 0 && 792 D->getInitStyle() == VarDecl::CInit && // Can params have anything else? 793 D->getFunctionScopeDepth() == 0 && 794 D->getObjCDeclQualifier() == 0 && 795 !D->isKNRPromoted() && 796 !D->hasInheritedDefaultArg() && 797 D->getInit() == 0 && 798 !D->hasUninstantiatedDefaultArg()) // No default expr. 799 AbbrevToUse = Writer.getDeclParmVarAbbrev(); 800 801 // Check things we know are true of *every* PARM_VAR_DECL, which is more than 802 // just us assuming it. 803 assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS"); 804 assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private"); 805 assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var"); 806 assert(D->getPreviousDecl() == 0 && "PARM_VAR_DECL can't be redecl"); 807 assert(!D->isStaticDataMember() && 808 "PARM_VAR_DECL can't be static data member"); 809} 810 811void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { 812 VisitDecl(D); 813 Writer.AddStmt(D->getAsmString()); 814 Writer.AddSourceLocation(D->getRParenLoc(), Record); 815 Code = serialization::DECL_FILE_SCOPE_ASM; 816} 817 818void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) { 819 VisitDecl(D); 820 Code = serialization::DECL_EMPTY; 821} 822 823void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) { 824 VisitDecl(D); 825 Writer.AddStmt(D->getBody()); 826 Writer.AddTypeSourceInfo(D->getSignatureAsWritten(), Record); 827 Record.push_back(D->param_size()); 828 for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end(); 829 P != PEnd; ++P) 830 Writer.AddDeclRef(*P, Record); 831 Record.push_back(D->isVariadic()); 832 Record.push_back(D->blockMissingReturnType()); 833 Record.push_back(D->isConversionFromLambda()); 834 Record.push_back(D->capturesCXXThis()); 835 Record.push_back(D->getNumCaptures()); 836 for (BlockDecl::capture_iterator 837 i = D->capture_begin(), e = D->capture_end(); i != e; ++i) { 838 const BlockDecl::Capture &capture = *i; 839 Writer.AddDeclRef(capture.getVariable(), Record); 840 841 unsigned flags = 0; 842 if (capture.isByRef()) flags |= 1; 843 if (capture.isNested()) flags |= 2; 844 if (capture.hasCopyExpr()) flags |= 4; 845 Record.push_back(flags); 846 847 if (capture.hasCopyExpr()) Writer.AddStmt(capture.getCopyExpr()); 848 } 849 850 Code = serialization::DECL_BLOCK; 851} 852 853void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) { 854 Record.push_back(CD->getNumParams()); 855 VisitDecl(CD); 856 // Body is stored by VisitCapturedStmt. 857 for (unsigned i = 0; i < CD->getNumParams(); ++i) 858 Writer.AddDeclRef(CD->getParam(i), Record); 859 Code = serialization::DECL_CAPTURED; 860} 861 862void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { 863 VisitDecl(D); 864 Record.push_back(D->getLanguage()); 865 Writer.AddSourceLocation(D->getExternLoc(), Record); 866 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 867 Code = serialization::DECL_LINKAGE_SPEC; 868} 869 870void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) { 871 VisitNamedDecl(D); 872 Writer.AddSourceLocation(D->getLocStart(), Record); 873 Code = serialization::DECL_LABEL; 874} 875 876 877void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) { 878 VisitRedeclarable(D); 879 VisitNamedDecl(D); 880 Record.push_back(D->isInline()); 881 Writer.AddSourceLocation(D->getLocStart(), Record); 882 Writer.AddSourceLocation(D->getRBraceLoc(), Record); 883 884 if (D->isOriginalNamespace()) 885 Writer.AddDeclRef(D->getAnonymousNamespace(), Record); 886 Code = serialization::DECL_NAMESPACE; 887 888 if (Writer.hasChain() && !D->isOriginalNamespace() && 889 D->getOriginalNamespace()->isFromASTFile()) { 890 NamespaceDecl *NS = D->getOriginalNamespace(); 891 Writer.AddUpdatedDeclContext(NS); 892 893 // Make sure all visible decls are written. They will be recorded later. 894 if (StoredDeclsMap *Map = NS->buildLookup()) { 895 for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end(); 896 D != DEnd; ++D) { 897 DeclContext::lookup_result R = D->second.getLookupResult(); 898 for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; 899 ++I) 900 Writer.GetDeclRef(*I); 901 } 902 } 903 } 904 905 if (Writer.hasChain() && D->isAnonymousNamespace() && 906 D == D->getMostRecentDecl()) { 907 // This is a most recent reopening of the anonymous namespace. If its parent 908 // is in a previous PCH (or is the TU), mark that parent for update, because 909 // the original namespace always points to the latest re-opening of its 910 // anonymous namespace. 911 Decl *Parent = cast<Decl>( 912 D->getParent()->getRedeclContext()->getPrimaryContext()); 913 if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Parent)) { 914 ASTWriter::UpdateRecord &Record = Writer.DeclUpdates[Parent]; 915 Record.push_back(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE); 916 Writer.AddDeclRef(D, Record); 917 } 918 } 919} 920 921void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 922 VisitNamedDecl(D); 923 Writer.AddSourceLocation(D->getNamespaceLoc(), Record); 924 Writer.AddSourceLocation(D->getTargetNameLoc(), Record); 925 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 926 Writer.AddDeclRef(D->getNamespace(), Record); 927 Code = serialization::DECL_NAMESPACE_ALIAS; 928} 929 930void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) { 931 VisitNamedDecl(D); 932 Writer.AddSourceLocation(D->getUsingLoc(), Record); 933 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 934 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 935 Writer.AddDeclRef(D->FirstUsingShadow.getPointer(), Record); 936 Record.push_back(D->hasTypename()); 937 Writer.AddDeclRef(Context.getInstantiatedFromUsingDecl(D), Record); 938 Code = serialization::DECL_USING; 939} 940 941void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) { 942 VisitRedeclarable(D); 943 VisitNamedDecl(D); 944 Writer.AddDeclRef(D->getTargetDecl(), Record); 945 Writer.AddDeclRef(D->UsingOrNextShadow, Record); 946 Writer.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D), Record); 947 Code = serialization::DECL_USING_SHADOW; 948} 949 950void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 951 VisitNamedDecl(D); 952 Writer.AddSourceLocation(D->getUsingLoc(), Record); 953 Writer.AddSourceLocation(D->getNamespaceKeyLocation(), Record); 954 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 955 Writer.AddDeclRef(D->getNominatedNamespace(), Record); 956 Writer.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()), Record); 957 Code = serialization::DECL_USING_DIRECTIVE; 958} 959 960void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 961 VisitValueDecl(D); 962 Writer.AddSourceLocation(D->getUsingLoc(), Record); 963 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 964 Writer.AddDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record); 965 Code = serialization::DECL_UNRESOLVED_USING_VALUE; 966} 967 968void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl( 969 UnresolvedUsingTypenameDecl *D) { 970 VisitTypeDecl(D); 971 Writer.AddSourceLocation(D->getTypenameLoc(), Record); 972 Writer.AddNestedNameSpecifierLoc(D->getQualifierLoc(), Record); 973 Code = serialization::DECL_UNRESOLVED_USING_TYPENAME; 974} 975 976void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) { 977 VisitRecordDecl(D); 978 Record.push_back(D->isThisDeclarationADefinition()); 979 if (D->isThisDeclarationADefinition()) 980 Writer.AddCXXDefinitionData(D, Record); 981 982 enum { 983 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization 984 }; 985 if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) { 986 Record.push_back(CXXRecTemplate); 987 Writer.AddDeclRef(TemplD, Record); 988 } else if (MemberSpecializationInfo *MSInfo 989 = D->getMemberSpecializationInfo()) { 990 Record.push_back(CXXRecMemberSpecialization); 991 Writer.AddDeclRef(MSInfo->getInstantiatedFrom(), Record); 992 Record.push_back(MSInfo->getTemplateSpecializationKind()); 993 Writer.AddSourceLocation(MSInfo->getPointOfInstantiation(), Record); 994 } else { 995 Record.push_back(CXXRecNotTemplate); 996 } 997 998 // Store (what we currently believe to be) the key function to avoid 999 // deserializing every method so we can compute it. 1000 if (D->IsCompleteDefinition) 1001 Writer.AddDeclRef(Context.getCurrentKeyFunction(D), Record); 1002 1003 Code = serialization::DECL_CXX_RECORD; 1004} 1005 1006void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) { 1007 VisitFunctionDecl(D); 1008 if (D->isCanonicalDecl()) { 1009 Record.push_back(D->size_overridden_methods()); 1010 for (CXXMethodDecl::method_iterator 1011 I = D->begin_overridden_methods(), E = D->end_overridden_methods(); 1012 I != E; ++I) 1013 Writer.AddDeclRef(*I, Record); 1014 } else { 1015 // We only need to record overridden methods once for the canonical decl. 1016 Record.push_back(0); 1017 } 1018 Code = serialization::DECL_CXX_METHOD; 1019} 1020 1021void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1022 VisitCXXMethodDecl(D); 1023 1024 Record.push_back(D->IsExplicitSpecified); 1025 Writer.AddCXXCtorInitializers(D->CtorInitializers, D->NumCtorInitializers, 1026 Record); 1027 1028 Code = serialization::DECL_CXX_CONSTRUCTOR; 1029} 1030 1031void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 1032 VisitCXXMethodDecl(D); 1033 1034 Writer.AddDeclRef(D->OperatorDelete, Record); 1035 1036 Code = serialization::DECL_CXX_DESTRUCTOR; 1037} 1038 1039void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) { 1040 VisitCXXMethodDecl(D); 1041 Record.push_back(D->IsExplicitSpecified); 1042 Code = serialization::DECL_CXX_CONVERSION; 1043} 1044 1045void ASTDeclWriter::VisitImportDecl(ImportDecl *D) { 1046 VisitDecl(D); 1047 Record.push_back(Writer.getSubmoduleID(D->getImportedModule())); 1048 ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs(); 1049 Record.push_back(!IdentifierLocs.empty()); 1050 if (IdentifierLocs.empty()) { 1051 Writer.AddSourceLocation(D->getLocEnd(), Record); 1052 Record.push_back(1); 1053 } else { 1054 for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I) 1055 Writer.AddSourceLocation(IdentifierLocs[I], Record); 1056 Record.push_back(IdentifierLocs.size()); 1057 } 1058 // Note: the number of source locations must always be the last element in 1059 // the record. 1060 Code = serialization::DECL_IMPORT; 1061} 1062 1063void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) { 1064 VisitDecl(D); 1065 Writer.AddSourceLocation(D->getColonLoc(), Record); 1066 Code = serialization::DECL_ACCESS_SPEC; 1067} 1068 1069void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) { 1070 // Record the number of friend type template parameter lists here 1071 // so as to simplify memory allocation during deserialization. 1072 Record.push_back(D->NumTPLists); 1073 VisitDecl(D); 1074 bool hasFriendDecl = D->Friend.is<NamedDecl*>(); 1075 Record.push_back(hasFriendDecl); 1076 if (hasFriendDecl) 1077 Writer.AddDeclRef(D->getFriendDecl(), Record); 1078 else 1079 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1080 for (unsigned i = 0; i < D->NumTPLists; ++i) 1081 Writer.AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i), 1082 Record); 1083 Writer.AddDeclRef(D->getNextFriend(), Record); 1084 Record.push_back(D->UnsupportedFriend); 1085 Writer.AddSourceLocation(D->FriendLoc, Record); 1086 Code = serialization::DECL_FRIEND; 1087} 1088 1089void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) { 1090 VisitDecl(D); 1091 Record.push_back(D->getNumTemplateParameters()); 1092 for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i) 1093 Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record); 1094 Record.push_back(D->getFriendDecl() != 0); 1095 if (D->getFriendDecl()) 1096 Writer.AddDeclRef(D->getFriendDecl(), Record); 1097 else 1098 Writer.AddTypeSourceInfo(D->getFriendType(), Record); 1099 Writer.AddSourceLocation(D->getFriendLoc(), Record); 1100 Code = serialization::DECL_FRIEND_TEMPLATE; 1101} 1102 1103void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) { 1104 VisitNamedDecl(D); 1105 1106 Writer.AddDeclRef(D->getTemplatedDecl(), Record); 1107 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1108} 1109 1110void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { 1111 VisitRedeclarable(D); 1112 1113 // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that 1114 // getCommonPtr() can be used while this is still initializing. 1115 if (D->isFirstDecl()) { 1116 // This declaration owns the 'common' pointer, so serialize that data now. 1117 Writer.AddDeclRef(D->getInstantiatedFromMemberTemplate(), Record); 1118 if (D->getInstantiatedFromMemberTemplate()) 1119 Record.push_back(D->isMemberSpecialization()); 1120 } 1121 1122 VisitTemplateDecl(D); 1123 Record.push_back(D->getIdentifierNamespace()); 1124} 1125 1126void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) { 1127 VisitRedeclarableTemplateDecl(D); 1128 1129 if (D->isFirstDecl()) { 1130 typedef llvm::FoldingSetVector<ClassTemplateSpecializationDecl> CTSDSetTy; 1131 CTSDSetTy &CTSDSet = D->getSpecializations(); 1132 Record.push_back(CTSDSet.size()); 1133 for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) { 1134 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1135 Writer.AddDeclRef(&*I, Record); 1136 } 1137 1138 typedef llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> 1139 CTPSDSetTy; 1140 CTPSDSetTy &CTPSDSet = D->getPartialSpecializations(); 1141 Record.push_back(CTPSDSet.size()); 1142 for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) { 1143 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1144 Writer.AddDeclRef(&*I, Record); 1145 } 1146 1147 Writer.AddTypeRef(D->getCommonPtr()->InjectedClassNameType, Record); 1148 } 1149 Code = serialization::DECL_CLASS_TEMPLATE; 1150} 1151 1152void ASTDeclWriter::VisitClassTemplateSpecializationDecl( 1153 ClassTemplateSpecializationDecl *D) { 1154 VisitCXXRecordDecl(D); 1155 1156 llvm::PointerUnion<ClassTemplateDecl *, 1157 ClassTemplatePartialSpecializationDecl *> InstFrom 1158 = D->getSpecializedTemplateOrPartial(); 1159 if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) { 1160 Writer.AddDeclRef(InstFromD, Record); 1161 } else { 1162 Writer.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>(), 1163 Record); 1164 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1165 } 1166 1167 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1168 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1169 Record.push_back(D->getSpecializationKind()); 1170 Record.push_back(D->isCanonicalDecl()); 1171 1172 if (D->isCanonicalDecl()) { 1173 // When reading, we'll add it to the folding set of the following template. 1174 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1175 } 1176 1177 // Explicit info. 1178 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1179 if (D->getTypeAsWritten()) { 1180 Writer.AddSourceLocation(D->getExternLoc(), Record); 1181 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1182 } 1183 1184 Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION; 1185} 1186 1187void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl( 1188 ClassTemplatePartialSpecializationDecl *D) { 1189 VisitClassTemplateSpecializationDecl(D); 1190 1191 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1192 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1193 1194 // These are read/set from/to the first declaration. 1195 if (D->getPreviousDecl() == 0) { 1196 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1197 Record.push_back(D->isMemberSpecialization()); 1198 } 1199 1200 Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION; 1201} 1202 1203void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) { 1204 VisitRedeclarableTemplateDecl(D); 1205 1206 if (D->isFirstDecl()) { 1207 typedef llvm::FoldingSetVector<VarTemplateSpecializationDecl> VTSDSetTy; 1208 VTSDSetTy &VTSDSet = D->getSpecializations(); 1209 Record.push_back(VTSDSet.size()); 1210 for (VTSDSetTy::iterator I = VTSDSet.begin(), E = VTSDSet.end(); I != E; 1211 ++I) { 1212 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1213 Writer.AddDeclRef(&*I, Record); 1214 } 1215 1216 typedef llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> 1217 VTPSDSetTy; 1218 VTPSDSetTy &VTPSDSet = D->getPartialSpecializations(); 1219 Record.push_back(VTPSDSet.size()); 1220 for (VTPSDSetTy::iterator I = VTPSDSet.begin(), E = VTPSDSet.end(); I != E; 1221 ++I) { 1222 assert(I->isCanonicalDecl() && "Expected only canonical decls in set"); 1223 Writer.AddDeclRef(&*I, Record); 1224 } 1225 } 1226 Code = serialization::DECL_VAR_TEMPLATE; 1227} 1228 1229void ASTDeclWriter::VisitVarTemplateSpecializationDecl( 1230 VarTemplateSpecializationDecl *D) { 1231 VisitVarDecl(D); 1232 1233 llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> 1234 InstFrom = D->getSpecializedTemplateOrPartial(); 1235 if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) { 1236 Writer.AddDeclRef(InstFromD, Record); 1237 } else { 1238 Writer.AddDeclRef(InstFrom.get<VarTemplatePartialSpecializationDecl *>(), 1239 Record); 1240 Writer.AddTemplateArgumentList(&D->getTemplateInstantiationArgs(), Record); 1241 } 1242 1243 // Explicit info. 1244 Writer.AddTypeSourceInfo(D->getTypeAsWritten(), Record); 1245 if (D->getTypeAsWritten()) { 1246 Writer.AddSourceLocation(D->getExternLoc(), Record); 1247 Writer.AddSourceLocation(D->getTemplateKeywordLoc(), Record); 1248 } 1249 1250 Writer.AddTemplateArgumentList(&D->getTemplateArgs(), Record); 1251 Writer.AddSourceLocation(D->getPointOfInstantiation(), Record); 1252 Record.push_back(D->getSpecializationKind()); 1253 Record.push_back(D->isCanonicalDecl()); 1254 1255 if (D->isCanonicalDecl()) { 1256 // When reading, we'll add it to the folding set of the following template. 1257 Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record); 1258 } 1259 1260 Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION; 1261} 1262 1263void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl( 1264 VarTemplatePartialSpecializationDecl *D) { 1265 VisitVarTemplateSpecializationDecl(D); 1266 1267 Writer.AddTemplateParameterList(D->getTemplateParameters(), Record); 1268 Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record); 1269 1270 // These are read/set from/to the first declaration. 1271 if (D->getPreviousDecl() == 0) { 1272 Writer.AddDeclRef(D->getInstantiatedFromMember(), Record); 1273 Record.push_back(D->isMemberSpecialization()); 1274 } 1275 1276 Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION; 1277} 1278 1279void ASTDeclWriter::VisitClassScopeFunctionSpecializationDecl( 1280 ClassScopeFunctionSpecializationDecl *D) { 1281 VisitDecl(D); 1282 Writer.AddDeclRef(D->getSpecialization(), Record); 1283 Code = serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION; 1284} 1285 1286 1287void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 1288 VisitRedeclarableTemplateDecl(D); 1289 1290 if (D->isFirstDecl()) { 1291 // This FunctionTemplateDecl owns the CommonPtr; write it. 1292 1293 // Write the function specialization declarations. 1294 Record.push_back(D->getSpecializations().size()); 1295 for (llvm::FoldingSetVector<FunctionTemplateSpecializationInfo>::iterator 1296 I = D->getSpecializations().begin(), 1297 E = D->getSpecializations().end() ; I != E; ++I) { 1298 assert(I->Function->isCanonicalDecl() && 1299 "Expected only canonical decls in set"); 1300 Writer.AddDeclRef(I->Function, Record); 1301 } 1302 } 1303 Code = serialization::DECL_FUNCTION_TEMPLATE; 1304} 1305 1306void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { 1307 VisitTypeDecl(D); 1308 1309 Record.push_back(D->wasDeclaredWithTypename()); 1310 Record.push_back(D->defaultArgumentWasInherited()); 1311 Writer.AddTypeSourceInfo(D->getDefaultArgumentInfo(), Record); 1312 1313 Code = serialization::DECL_TEMPLATE_TYPE_PARM; 1314} 1315 1316void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { 1317 // For an expanded parameter pack, record the number of expansion types here 1318 // so that it's easier for deserialization to allocate the right amount of 1319 // memory. 1320 if (D->isExpandedParameterPack()) 1321 Record.push_back(D->getNumExpansionTypes()); 1322 1323 VisitDeclaratorDecl(D); 1324 // TemplateParmPosition. 1325 Record.push_back(D->getDepth()); 1326 Record.push_back(D->getPosition()); 1327 1328 if (D->isExpandedParameterPack()) { 1329 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { 1330 Writer.AddTypeRef(D->getExpansionType(I), Record); 1331 Writer.AddTypeSourceInfo(D->getExpansionTypeSourceInfo(I), Record); 1332 } 1333 1334 Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK; 1335 } else { 1336 // Rest of NonTypeTemplateParmDecl. 1337 Record.push_back(D->isParameterPack()); 1338 Record.push_back(D->getDefaultArgument() != 0); 1339 if (D->getDefaultArgument()) { 1340 Writer.AddStmt(D->getDefaultArgument()); 1341 Record.push_back(D->defaultArgumentWasInherited()); 1342 } 1343 Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM; 1344 } 1345} 1346 1347void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { 1348 // For an expanded parameter pack, record the number of expansion types here 1349 // so that it's easier for deserialization to allocate the right amount of 1350 // memory. 1351 if (D->isExpandedParameterPack()) 1352 Record.push_back(D->getNumExpansionTemplateParameters()); 1353 1354 VisitTemplateDecl(D); 1355 // TemplateParmPosition. 1356 Record.push_back(D->getDepth()); 1357 Record.push_back(D->getPosition()); 1358 1359 if (D->isExpandedParameterPack()) { 1360 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); 1361 I != N; ++I) 1362 Writer.AddTemplateParameterList(D->getExpansionTemplateParameters(I), 1363 Record); 1364 Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK; 1365 } else { 1366 // Rest of TemplateTemplateParmDecl. 1367 Writer.AddTemplateArgumentLoc(D->getDefaultArgument(), Record); 1368 Record.push_back(D->defaultArgumentWasInherited()); 1369 Record.push_back(D->isParameterPack()); 1370 Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM; 1371 } 1372} 1373 1374void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { 1375 VisitRedeclarableTemplateDecl(D); 1376 Code = serialization::DECL_TYPE_ALIAS_TEMPLATE; 1377} 1378 1379void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) { 1380 VisitDecl(D); 1381 Writer.AddStmt(D->getAssertExpr()); 1382 Record.push_back(D->isFailed()); 1383 Writer.AddStmt(D->getMessage()); 1384 Writer.AddSourceLocation(D->getRParenLoc(), Record); 1385 Code = serialization::DECL_STATIC_ASSERT; 1386} 1387 1388/// \brief Emit the DeclContext part of a declaration context decl. 1389/// 1390/// \param LexicalOffset the offset at which the DECL_CONTEXT_LEXICAL 1391/// block for this declaration context is stored. May be 0 to indicate 1392/// that there are no declarations stored within this context. 1393/// 1394/// \param VisibleOffset the offset at which the DECL_CONTEXT_VISIBLE 1395/// block for this declaration context is stored. May be 0 to indicate 1396/// that there are no declarations visible from this context. Note 1397/// that this value will not be emitted for non-primary declaration 1398/// contexts. 1399void ASTDeclWriter::VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 1400 uint64_t VisibleOffset) { 1401 Record.push_back(LexicalOffset); 1402 Record.push_back(VisibleOffset); 1403} 1404 1405template <typename T> 1406void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) { 1407 T *First = D->getFirstDecl(); 1408 if (First->getMostRecentDecl() != First) { 1409 assert(isRedeclarableDeclKind(static_cast<T *>(D)->getKind()) && 1410 "Not considered redeclarable?"); 1411 1412 // There is more than one declaration of this entity, so we will need to 1413 // write a redeclaration chain. 1414 Writer.AddDeclRef(First, Record); 1415 Writer.Redeclarations.insert(First); 1416 1417 // Make sure that we serialize both the previous and the most-recent 1418 // declarations, which (transitively) ensures that all declarations in the 1419 // chain get serialized. 1420 (void)Writer.GetDeclRef(D->getPreviousDecl()); 1421 (void)Writer.GetDeclRef(First->getMostRecentDecl()); 1422 } else { 1423 // We use the sentinel value 0 to indicate an only declaration. 1424 Record.push_back(0); 1425 } 1426 1427} 1428 1429void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { 1430 Record.push_back(D->varlist_size()); 1431 VisitDecl(D); 1432 for (OMPThreadPrivateDecl::varlist_iterator I = D->varlist_begin(), 1433 E = D->varlist_end(); 1434 I != E; ++I) 1435 Writer.AddStmt(*I); 1436 Code = serialization::DECL_OMP_THREADPRIVATE; 1437} 1438 1439//===----------------------------------------------------------------------===// 1440// ASTWriter Implementation 1441//===----------------------------------------------------------------------===// 1442 1443void ASTWriter::WriteDeclsBlockAbbrevs() { 1444 using namespace llvm; 1445 1446 BitCodeAbbrev *Abv; 1447 1448 // Abbreviation for DECL_FIELD 1449 Abv = new BitCodeAbbrev(); 1450 Abv->Add(BitCodeAbbrevOp(serialization::DECL_FIELD)); 1451 // Decl 1452 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1453 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1454 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1455 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1456 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1457 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1458 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1459 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1460 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1461 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1462 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1463 // NamedDecl 1464 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1465 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1466 // ValueDecl 1467 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1468 // DeclaratorDecl 1469 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1470 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1471 // FieldDecl 1472 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1473 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1474 // Type Source Info 1475 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1476 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1477 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1478 DeclFieldAbbrev = Stream.EmitAbbrev(Abv); 1479 1480 // Abbreviation for DECL_OBJC_IVAR 1481 Abv = new BitCodeAbbrev(); 1482 Abv->Add(BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR)); 1483 // Decl 1484 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1485 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1486 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1487 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1488 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1489 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1490 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1491 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1492 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier 1493 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1494 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1495 // NamedDecl 1496 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1497 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1498 // ValueDecl 1499 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1500 // DeclaratorDecl 1501 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1502 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1503 // FieldDecl 1504 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable 1505 Abv->Add(BitCodeAbbrevOp(0)); //getBitWidth 1506 // ObjC Ivar 1507 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl 1508 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize 1509 // getBackingIvarReferencedInAccessor 1510 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1511 // Type Source Info 1512 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1513 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1514 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1515 DeclObjCIvarAbbrev = Stream.EmitAbbrev(Abv); 1516 1517 // Abbreviation for DECL_ENUM 1518 Abv = new BitCodeAbbrev(); 1519 Abv->Add(BitCodeAbbrevOp(serialization::DECL_ENUM)); 1520 // Redeclarable 1521 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1522 // Decl 1523 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1524 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1525 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1526 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1527 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1528 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1529 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1530 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1531 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1532 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1533 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1534 // NamedDecl 1535 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1536 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1537 // TypeDecl 1538 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1539 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1540 // TagDecl 1541 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1542 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1543 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1544 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1545 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1546 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1547 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1548 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1549 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1550 // EnumDecl 1551 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef 1552 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType 1553 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType 1554 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumPositiveBits 1555 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumNegativeBits 1556 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScoped 1557 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScopedUsingClassTag 1558 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isFixed 1559 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum 1560 // DC 1561 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1562 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1563 DeclEnumAbbrev = Stream.EmitAbbrev(Abv); 1564 1565 // Abbreviation for DECL_RECORD 1566 Abv = new BitCodeAbbrev(); 1567 Abv->Add(BitCodeAbbrevOp(serialization::DECL_RECORD)); 1568 // Redeclarable 1569 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1570 // Decl 1571 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1572 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1573 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1574 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1575 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1576 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1577 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1578 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1579 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1580 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1581 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1582 // NamedDecl 1583 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1584 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1585 // TypeDecl 1586 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1587 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1588 // TagDecl 1589 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace 1590 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind 1591 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition 1592 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator 1593 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding 1594 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired 1595 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation 1596 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1597 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypedefNameAnonDecl 1598 // RecordDecl 1599 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FlexibleArrayMember 1600 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion 1601 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember 1602 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember 1603 // DC 1604 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset 1605 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset 1606 DeclRecordAbbrev = Stream.EmitAbbrev(Abv); 1607 1608 // Abbreviation for DECL_PARM_VAR 1609 Abv = new BitCodeAbbrev(); 1610 Abv->Add(BitCodeAbbrevOp(serialization::DECL_PARM_VAR)); 1611 // Redeclarable 1612 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1613 // Decl 1614 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1615 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1616 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1617 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1618 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1619 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1620 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1621 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1622 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1623 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1624 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1625 // NamedDecl 1626 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1627 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1628 // ValueDecl 1629 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1630 // DeclaratorDecl 1631 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1632 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1633 // VarDecl 1634 Abv->Add(BitCodeAbbrevOp(0)); // StorageClass 1635 Abv->Add(BitCodeAbbrevOp(0)); // getTSCSpec 1636 Abv->Add(BitCodeAbbrevOp(0)); // hasCXXDirectInitializer 1637 Abv->Add(BitCodeAbbrevOp(0)); // isExceptionVariable 1638 Abv->Add(BitCodeAbbrevOp(0)); // isNRVOVariable 1639 Abv->Add(BitCodeAbbrevOp(0)); // isCXXForRangeDecl 1640 Abv->Add(BitCodeAbbrevOp(0)); // isARCPseudoStrong 1641 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1642 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1643 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1644 Abv->Add(BitCodeAbbrevOp(0)); // Linkage 1645 Abv->Add(BitCodeAbbrevOp(0)); // HasInit 1646 Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo 1647 // ParmVarDecl 1648 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsObjCMethodParameter 1649 Abv->Add(BitCodeAbbrevOp(0)); // ScopeDepth 1650 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex 1651 Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier 1652 Abv->Add(BitCodeAbbrevOp(0)); // KNRPromoted 1653 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg 1654 Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg 1655 // Type Source Info 1656 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1657 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1658 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1659 DeclParmVarAbbrev = Stream.EmitAbbrev(Abv); 1660 1661 // Abbreviation for DECL_TYPEDEF 1662 Abv = new BitCodeAbbrev(); 1663 Abv->Add(BitCodeAbbrevOp(serialization::DECL_TYPEDEF)); 1664 // Redeclarable 1665 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1666 // Decl 1667 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1668 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1669 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1670 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1671 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1672 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1673 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1674 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1675 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1676 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1677 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1678 // NamedDecl 1679 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1680 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1681 // TypeDecl 1682 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location 1683 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref 1684 // TypedefDecl 1685 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1686 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1687 DeclTypedefAbbrev = Stream.EmitAbbrev(Abv); 1688 1689 // Abbreviation for DECL_VAR 1690 Abv = new BitCodeAbbrev(); 1691 Abv->Add(BitCodeAbbrevOp(serialization::DECL_VAR)); 1692 // Redeclarable 1693 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration 1694 // Decl 1695 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext 1696 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalDeclContext 1697 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl 1698 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs 1699 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit 1700 Abv->Add(BitCodeAbbrevOp(0)); // isUsed 1701 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced 1702 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer 1703 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier 1704 Abv->Add(BitCodeAbbrevOp(0)); // ModulePrivate 1705 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID 1706 // NamedDecl 1707 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier 1708 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name 1709 // ValueDecl 1710 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1711 // DeclaratorDecl 1712 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc 1713 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo 1714 // VarDecl 1715 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // StorageClass 1716 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getTSCSpec 1717 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // CXXDirectInitializer 1718 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isExceptionVariable 1719 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isNRVOVariable 1720 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCXXForRangeDecl 1721 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong 1722 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr 1723 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture 1724 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope 1725 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage 1726 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasInit 1727 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasMemberSpecInfo 1728 // Type Source Info 1729 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); 1730 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); 1731 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc 1732 DeclVarAbbrev = Stream.EmitAbbrev(Abv); 1733 1734 // Abbreviation for EXPR_DECL_REF 1735 Abv = new BitCodeAbbrev(); 1736 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_DECL_REF)); 1737 //Stmt 1738 //Expr 1739 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1740 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1741 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1742 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1743 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1744 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1745 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1746 //DeclRefExpr 1747 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HasQualifier 1748 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //GetDeclFound 1749 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ExplicitTemplateArgs 1750 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HadMultipleCandidates 1751 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //RefersToEnclosingLocal 1752 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef 1753 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1754 DeclRefExprAbbrev = Stream.EmitAbbrev(Abv); 1755 1756 // Abbreviation for EXPR_INTEGER_LITERAL 1757 Abv = new BitCodeAbbrev(); 1758 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL)); 1759 //Stmt 1760 //Expr 1761 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1762 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1763 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1764 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1765 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1766 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1767 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1768 //Integer Literal 1769 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1770 Abv->Add(BitCodeAbbrevOp(32)); // Bit Width 1771 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value 1772 IntegerLiteralAbbrev = Stream.EmitAbbrev(Abv); 1773 1774 // Abbreviation for EXPR_CHARACTER_LITERAL 1775 Abv = new BitCodeAbbrev(); 1776 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL)); 1777 //Stmt 1778 //Expr 1779 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type 1780 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //TypeDependent 1781 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ValueDependent 1782 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //InstantiationDependent 1783 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //UnexpandedParamPack 1784 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind 1785 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind 1786 //Character Literal 1787 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue 1788 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location 1789 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // getKind 1790 CharacterLiteralAbbrev = Stream.EmitAbbrev(Abv); 1791 1792 Abv = new BitCodeAbbrev(); 1793 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL)); 1794 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1795 DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abv); 1796 1797 Abv = new BitCodeAbbrev(); 1798 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE)); 1799 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); 1800 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); 1801 DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(Abv); 1802} 1803 1804/// isRequiredDecl - Check if this is a "required" Decl, which must be seen by 1805/// consumers of the AST. 1806/// 1807/// Such decls will always be deserialized from the AST file, so we would like 1808/// this to be as restrictive as possible. Currently the predicate is driven by 1809/// code generation requirements, if other clients have a different notion of 1810/// what is "required" then we may have to consider an alternate scheme where 1811/// clients can iterate over the top-level decls and get information on them, 1812/// without necessary deserializing them. We could explicitly require such 1813/// clients to use a separate API call to "realize" the decl. This should be 1814/// relatively painless since they would presumably only do it for top-level 1815/// decls. 1816static bool isRequiredDecl(const Decl *D, ASTContext &Context) { 1817 // An ObjCMethodDecl is never considered as "required" because its 1818 // implementation container always is. 1819 1820 // File scoped assembly or obj-c implementation must be seen. 1821 if (isa<FileScopeAsmDecl>(D) || isa<ObjCImplDecl>(D)) 1822 return true; 1823 1824 return Context.DeclMustBeEmitted(D); 1825} 1826 1827void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { 1828 // Switch case IDs are per Decl. 1829 ClearSwitchCaseIDs(); 1830 1831 RecordData Record; 1832 ASTDeclWriter W(*this, Context, Record); 1833 1834 // Determine the ID for this declaration. 1835 serialization::DeclID ID; 1836 if (D->isFromASTFile()) 1837 ID = getDeclID(D); 1838 else { 1839 serialization::DeclID &IDR = DeclIDs[D]; 1840 if (IDR == 0) 1841 IDR = NextDeclID++; 1842 1843 ID= IDR; 1844 } 1845 1846 bool isReplacingADecl = ID < FirstDeclID; 1847 1848 // If this declaration is also a DeclContext, write blocks for the 1849 // declarations that lexically stored inside its context and those 1850 // declarations that are visible from its context. These blocks 1851 // are written before the declaration itself so that we can put 1852 // their offsets into the record for the declaration. 1853 uint64_t LexicalOffset = 0; 1854 uint64_t VisibleOffset = 0; 1855 DeclContext *DC = dyn_cast<DeclContext>(D); 1856 if (DC) { 1857 if (isReplacingADecl) { 1858 // It is replacing a decl from a chained PCH; make sure that the 1859 // DeclContext is fully loaded. 1860 if (DC->hasExternalLexicalStorage()) 1861 DC->LoadLexicalDeclsFromExternalStorage(); 1862 if (DC->hasExternalVisibleStorage()) 1863 Chain->completeVisibleDeclsMap(DC); 1864 } 1865 LexicalOffset = WriteDeclContextLexicalBlock(Context, DC); 1866 VisibleOffset = WriteDeclContextVisibleBlock(Context, DC); 1867 } 1868 1869 if (isReplacingADecl) { 1870 // We're replacing a decl in a previous file. 1871 ReplacedDecls.push_back(ReplacedDeclInfo(ID, Stream.GetCurrentBitNo(), 1872 D->getLocation())); 1873 } else { 1874 unsigned Index = ID - FirstDeclID; 1875 1876 // Record the offset for this declaration 1877 SourceLocation Loc = D->getLocation(); 1878 if (DeclOffsets.size() == Index) 1879 DeclOffsets.push_back(DeclOffset(Loc, Stream.GetCurrentBitNo())); 1880 else if (DeclOffsets.size() < Index) { 1881 DeclOffsets.resize(Index+1); 1882 DeclOffsets[Index].setLocation(Loc); 1883 DeclOffsets[Index].BitOffset = Stream.GetCurrentBitNo(); 1884 } 1885 1886 SourceManager &SM = Context.getSourceManager(); 1887 if (Loc.isValid() && SM.isLocalSourceLocation(Loc)) 1888 associateDeclWithFile(D, ID); 1889 } 1890 1891 // Build and emit a record for this declaration 1892 Record.clear(); 1893 W.Code = (serialization::DeclCode)0; 1894 W.AbbrevToUse = 0; 1895 W.Visit(D); 1896 if (DC) W.VisitDeclContext(DC, LexicalOffset, VisibleOffset); 1897 1898 if (!W.Code) 1899 llvm::report_fatal_error(StringRef("unexpected declaration kind '") + 1900 D->getDeclKindName() + "'"); 1901 Stream.EmitRecord(W.Code, Record, W.AbbrevToUse); 1902 1903 // Flush any expressions that were written as part of this declaration. 1904 FlushStmts(); 1905 1906 // Flush C++ base specifiers, if there are any. 1907 FlushCXXBaseSpecifiers(); 1908 1909 // Note "external" declarations so that we can add them to a record in the 1910 // AST file later. 1911 // 1912 // FIXME: This should be renamed, the predicate is much more complicated. 1913 if (isRequiredDecl(D, Context)) 1914 ExternalDefinitions.push_back(ID); 1915} 1916