case Decl::TranslationUnit:
case Decl::Namespace:
case Decl::LinkageSpec:
- return 0;
+ return nullptr;
// C/C++ tag types can only be defined in one place.
case Decl::Enum:
case Decl::Record:
if (const TagDecl *Def = cast<TagDecl>(DC)->getDefinition())
return Def;
- return 0;
+ return nullptr;
// FIXME: These can be defined in one place... except special member
// functions and out-of-line definitions.
case Decl::CXXRecord:
case Decl::ClassTemplateSpecialization:
case Decl::ClassTemplatePartialSpecialization:
- return 0;
+ return nullptr;
// Each function, method, and block declaration is its own DeclContext.
case Decl::Function:
if (const ObjCProtocolDecl *Def
= cast<ObjCProtocolDecl>(DC)->getDefinition())
return Def;
- return 0;
+ return nullptr;
// FIXME: These are defined in one place, but properties in class extensions
// end up being back-patched into the main interface. See
// Sema::HandlePropertyInClassExtension for the offending code.
case Decl::ObjCInterface:
- return 0;
-
+ return nullptr;
+
default:
llvm_unreachable("Unhandled DeclContext in AST reader");
}
bool Complain) {
const LangOptions &ExistingLangOpts = PP.getLangOpts();
return checkLanguageOptions(LangOpts, ExistingLangOpts,
- Complain? &Reader.Diags : 0);
+ Complain? &Reader.Diags : nullptr);
}
bool PCHValidator::ReadTargetOptions(const TargetOptions &TargetOpts,
bool Complain) {
const TargetOptions &ExistingTargetOpts = PP.getTargetInfo().getTargetOpts();
return checkTargetOptions(TargetOpts, ExistingTargetOpts,
- Complain? &Reader.Diags : 0);
+ Complain? &Reader.Diags : nullptr);
}
namespace {
/// \brief Collect the macro definitions provided by the given preprocessor
/// options.
-static void collectMacroDefinitions(const PreprocessorOptions &PPOpts,
- MacroDefinitionsMap &Macros,
- SmallVectorImpl<StringRef> *MacroNames = 0){
+static void
+collectMacroDefinitions(const PreprocessorOptions &PPOpts,
+ MacroDefinitionsMap &Macros,
+ SmallVectorImpl<StringRef> *MacroNames = nullptr) {
for (unsigned I = 0, N = PPOpts.Macros.size(); I != N; ++I) {
StringRef Macro = PPOpts.Macros[I].first;
bool IsUndef = PPOpts.Macros[I].second;
const PreprocessorOptions &ExistingPPOpts = PP.getPreprocessorOpts();
return checkPreprocessorOptions(PPOpts, ExistingPPOpts,
- Complain? &Reader.Diags : 0,
+ Complain? &Reader.Diags : nullptr,
PP.getFileManager(),
SuggestedPredefines,
PP.getLangOpts());
Stream.JumpToBit(Offset);
RecordData Record;
SmallVector<IdentifierInfo*, 16> MacroArgs;
- MacroInfo *Macro = 0;
+ MacroInfo *Macro = nullptr;
while (true) {
// Advance to the next record, but if we get to the end of the block, don't
case PP_TOKEN: {
// If we see a TOKEN before a PP_MACRO_*, then the file is
// erroneous, just pretend we didn't see this.
- if (Macro == 0) break;
+ if (!Macro) break;
unsigned Idx = 0;
Token Tok = ReadToken(F, Record, Idx);
GlobalMacroID GMacID,
llvm::ArrayRef<SubmoduleID> Overrides) {
assert(NumCurrentElementsDeserializing > 0 &&"Missing deserialization guard");
- SubmoduleID *OverrideData = 0;
+ SubmoduleID *OverrideData = nullptr;
if (!Overrides.empty()) {
OverrideData = new (Context) SubmoduleID[Overrides.size() + 1];
OverrideData[0] = Overrides.size();
// If there is a global index, look there first to determine which modules
// provably do not have any results for this identifier.
GlobalModuleIndex::HitSet Hits;
- GlobalModuleIndex::HitSet *HitsPtr = 0;
+ GlobalModuleIndex::HitSet *HitsPtr = nullptr;
if (!loadGlobalIndex()) {
if (GlobalIndex->lookupIdentifier(II.getName(), Hits)) {
HitsPtr = &Hits;
DefMacroDirective *import(Preprocessor &PP, SourceLocation ImportLoc) const {
if (!MI)
- return 0;
+ return nullptr;
return PP.AllocateDefMacroDirective(MI, ImportLoc, /*isImported=*/true);
}
};
if (ID & 1) {
// Macro undefinition.
Info.SubModID = getGlobalSubmoduleID(*PMInfo.M, ID >> 1);
- Info.MI = 0;
+ Info.MI = nullptr;
} else {
// Macro definition.
GlobalMacroID GMacID = getGlobalMacroID(*PMInfo.M, ID >> 1);
// FIXME: This is highly dubious. Multiple macro definitions can have the
// same MacroInfo (and hence the same GMacID) due to #pragma push_macro etc.
if (MacrosLoaded[GMacID - NUM_PREDEF_MACRO_IDS])
- return 0;
+ return nullptr;
Info.MI = getMacro(GMacID);
Info.SubModID = Info.MI->getOwningModuleID();
}
// Deserialize the macro directives history in reverse source-order.
- MacroDirective *Latest = 0, *Earliest = 0;
+ MacroDirective *Latest = nullptr, *Earliest = nullptr;
unsigned Idx = 0, N = Record.size();
while (Idx < N) {
- MacroDirective *MD = 0;
+ MacroDirective *MD = nullptr;
SourceLocation Loc = ReadSourceLocation(M, Record, Idx);
MacroDirective::Kind K = (MacroDirective::Kind)Record[Idx++];
switch (K) {
static bool areDefinedInSystemModules(MacroInfo *PrevMI, MacroInfo *NewMI,
Module *NewOwner, ASTReader &Reader) {
assert(PrevMI && NewMI);
- Module *PrevOwner = 0;
+ Module *PrevOwner = nullptr;
if (SubmoduleID PrevModID = PrevMI->getOwningModuleID())
PrevOwner = Reader.getSubmodule(PrevModID);
SourceManager &SrcMgr = Reader.getSourceManager();
llvm::ArrayRef<SubmoduleID> Overrides) {
MacroDirective *Prev = PP.getMacroDirective(II);
if (!Prev && Overrides.empty())
- return 0;
+ return nullptr;
- DefMacroDirective *PrevDef = Prev ? Prev->getDefinition().getDirective() : 0;
+ DefMacroDirective *PrevDef = Prev ? Prev->getDefinition().getDirective()
+ : nullptr;
if (PrevDef && PrevDef->isAmbiguous()) {
// We had a prior ambiguity. Check whether we resolve it (or make it worse).
AmbiguousMacros &Ambig = AmbiguousMacroDefs[II];
}
// We ended up with no ambiguity.
- return 0;
+ return nullptr;
}
void ASTReader::installImportedMacro(IdentifierInfo *II, ModuleMacroInfo *MMI,
// If we didn't find the file, resolve it relative to the
// original directory from which this AST file was created.
- if (File == 0 && !F.OriginalDir.empty() && !CurrentDir.empty() &&
+ if (File == nullptr && !F.OriginalDir.empty() && !CurrentDir.empty() &&
F.OriginalDir != CurrentDir) {
std::string Resolved = resolveFileRelativeToOriginalDir(Filename,
F.OriginalDir,
// For an overridden file, create a virtual file with the stored
// size/timestamp.
- if (Overridden && File == 0) {
+ if (Overridden && File == nullptr) {
File = FileMgr.getVirtualFile(Filename, StoredSize, StoredTime);
}
- if (File == 0) {
+ if (File == nullptr) {
if (Complain) {
std::string ErrorStr = "could not find file '";
ErrorStr += Filename;
std::string Filename = filenameStrRef;
MaybeAddSystemRootToFilename(M, Filename);
const FileEntry *File = FileMgr.getFile(Filename);
- if (File == 0 && !M.OriginalDir.empty() && !CurrentDir.empty() &&
+ if (File == nullptr && !M.OriginalDir.empty() && !CurrentDir.empty() &&
M.OriginalDir != CurrentDir) {
std::string resolved = resolveFileRelativeToOriginalDir(Filename,
M.OriginalDir,
unsigned NumModules = ModuleMgr.size();
SmallVector<ImportedModule, 4> Loaded;
switch(ASTReadResult ReadResult = ReadASTCore(FileName, Type, ImportLoc,
- /*ImportedBy=*/0, Loaded,
+ /*ImportedBy=*/nullptr, Loaded,
0, 0,
ClientLoadCapabilities)) {
case Failure:
ModuleMgr.removeModules(ModuleMgr.begin() + NumModules, ModuleMgr.end(),
Context.getLangOpts().Modules
? &PP.getHeaderSearchInfo().getModuleMap()
- : 0);
+ : nullptr);
// If we find that any modules are unusable, the global index is going
// to be out-of-date. Just remove it.
GlobalIndex.reset();
- ModuleMgr.setGlobalIndex(0);
+ ModuleMgr.setGlobalIndex(nullptr);
return ReadResult;
case Success:
bool ReadLanguageOptions(const LangOptions &LangOpts,
bool Complain) override {
- return checkLanguageOptions(ExistingLangOpts, LangOpts, 0);
+ return checkLanguageOptions(ExistingLangOpts, LangOpts, nullptr);
}
bool ReadTargetOptions(const TargetOptions &TargetOpts,
bool Complain) override {
- return checkTargetOptions(ExistingTargetOpts, TargetOpts, 0);
+ return checkTargetOptions(ExistingTargetOpts, TargetOpts, nullptr);
}
bool ReadPreprocessorOptions(const PreprocessorOptions &PPOpts,
bool Complain,
std::string &SuggestedPredefines) override {
- return checkPreprocessorOptions(ExistingPPOpts, PPOpts, 0, FileMgr,
+ return checkPreprocessorOptions(ExistingPPOpts, PPOpts, nullptr, FileMgr,
SuggestedPredefines, ExistingLangOpts);
}
};
ModuleMap &ModMap = PP.getHeaderSearchInfo().getModuleMap();
bool First = true;
- Module *CurrentModule = 0;
+ Module *CurrentModule = nullptr;
RecordData Record;
while (true) {
llvm::BitstreamEntry Entry = F.Stream.advanceSkippingSubblocks();
if (!PP.getPreprocessingRecord()) {
Error("no preprocessing record");
- return 0;
+ return nullptr;
}
SavedStreamPosition SavedPosition(M.PreprocessorDetailCursor);
llvm::BitstreamEntry Entry =
M.PreprocessorDetailCursor.advance(BitstreamCursor::AF_DontPopBlockAtEnd);
if (Entry.Kind != llvm::BitstreamEntry::Record)
- return 0;
+ return nullptr;
// Read the record.
SourceRange Range(ReadSourceLocation(M, PPOffs.Begin),
switch (RecType) {
case PPD_MACRO_EXPANSION: {
bool isBuiltin = Record[0];
- IdentifierInfo *Name = 0;
- MacroDefinition *Def = 0;
+ IdentifierInfo *Name = nullptr;
+ MacroDefinition *Def = nullptr;
if (isBuiltin)
Name = getLocalIdentifier(M, Record[1]);
else {
case PPD_INCLUSION_DIRECTIVE: {
const char *FullFileNameStart = Blob.data() + Record[0];
StringRef FullFileName(FullFileNameStart, Blob.size() - Record[0]);
- const FileEntry *File = 0;
+ const FileEntry *File = nullptr;
if (!FullFileName.empty())
File = PP.getFileManager().getFile(FullFileName);
if (Record[Idx++])
TL.setSizeExpr(Reader.ReadExpr(F));
else
- TL.setSizeExpr(0);
+ TL.setSizeExpr(nullptr);
}
void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
VisitArrayTypeLoc(TL);
if (Record[Idx++])
TL.setAttrExprOperand(Reader.ReadExpr(F));
else
- TL.setAttrExprOperand(0);
+ TL.setAttrExprOperand(nullptr);
} else if (TL.hasAttrEnumOperand())
TL.setAttrEnumOperandLoc(ReadSourceLocation(Record, Idx));
}
unsigned &Idx) {
QualType InfoTy = readType(F, Record, Idx);
if (InfoTy.isNull())
- return 0;
+ return nullptr;
TypeSourceInfo *TInfo = getContext().CreateTypeSourceInfo(InfoTy);
TypeLocReader TLR(*this, F, Record, Idx);
unsigned RecCode = Cursor.readRecord(Code, Record);
if (RecCode != DECL_CXX_BASE_SPECIFIERS) {
Error("malformed AST file: missing C++ base specifiers");
- return 0;
+ return nullptr;
}
unsigned Idx = 0;
ModuleFile *ASTReader::getOwningModuleFile(const Decl *D) {
if (!D->isFromASTFile())
- return 0;
+ return nullptr;
GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(D->getGlobalID());
assert(I != GlobalDeclMap.end() && "Corrupted global declaration map");
return I->second;
if (ID < NUM_PREDEF_DECL_IDS) {
switch ((PredefinedDeclIDs)ID) {
case PREDEF_DECL_NULL_ID:
- return 0;
+ return nullptr;
case PREDEF_DECL_TRANSLATION_UNIT_ID:
return Context.getTranslationUnitDecl();
if (Index >= DeclsLoaded.size()) {
assert(0 && "declaration ID out-of-range for AST file");
Error("declaration ID out-of-range for AST file");
- return 0;
+ return nullptr;
}
return DeclsLoaded[Index];
if (Index >= DeclsLoaded.size()) {
assert(0 && "declaration ID out-of-range for AST file");
Error("declaration ID out-of-range for AST file");
- return 0;
+ return nullptr;
}
if (!DeclsLoaded[Index]) {
if (const DeclContext *DefDC = getDefinitiveDeclContext(DC))
return Reader.getOwningModuleFile(cast<Decl>(DefDC));
- return 0;
+ return nullptr;
}
bool
QualType());
unsigned NumDeclsLoaded
= DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(),
- (Decl *)0);
+ (Decl *)nullptr);
unsigned NumIdentifiersLoaded
= IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(),
IdentifiersLoaded.end(),
- (IdentifierInfo *)0);
+ (IdentifierInfo *)nullptr);
unsigned NumMacrosLoaded
= MacrosLoaded.size() - std::count(MacrosLoaded.begin(),
MacrosLoaded.end(),
- (MacroInfo *)0);
+ (MacroInfo *)nullptr);
unsigned NumSelectorsLoaded
= SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(),
SelectorsLoaded.end(),
// If there is a global index, look there first to determine which modules
// provably do not have any results for this identifier.
GlobalModuleIndex::HitSet Hits;
- GlobalModuleIndex::HitSet *HitsPtr = 0;
+ GlobalModuleIndex::HitSet *HitsPtr = nullptr;
if (!loadGlobalIndex()) {
if (GlobalIndex->lookupIdentifier(Name, Hits)) {
HitsPtr = &Hits;
IdentifierInfo *ASTReader::DecodeIdentifierInfo(IdentifierID ID) {
if (ID == 0)
- return 0;
+ return nullptr;
if (IdentifiersLoaded.empty()) {
Error("no identifier table in AST file");
- return 0;
+ return nullptr;
}
ID -= 1;
MacroInfo *ASTReader::getMacro(MacroID ID) {
if (ID == 0)
- return 0;
+ return nullptr;
if (MacrosLoaded.empty()) {
Error("no macro table in AST file");
- return 0;
+ return nullptr;
}
ID -= NUM_PREDEF_MACRO_IDS;
Module *ASTReader::getSubmodule(SubmoduleID GlobalID) {
if (GlobalID < NUM_PREDEF_SUBMODULE_IDS) {
assert(GlobalID == 0 && "Unhandled global submodule ID");
- return 0;
+ return nullptr;
}
if (GlobalID > SubmodulesLoaded.size()) {
Error("submodule ID out of range in AST file");
- return 0;
+ return nullptr;
}
return SubmodulesLoaded[GlobalID - NUM_PREDEF_SUBMODULE_IDS];
return Selector();
}
- if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == 0) {
+ if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == nullptr) {
// Load this selector from the selector table.
GlobalSelectorMapType::iterator I = GlobalSelectorMap.find(ID);
assert(I != GlobalSelectorMap.end() && "Corrupted global selector map");
std::pair<CXXCtorInitializer **, unsigned>
ASTReader::ReadCXXCtorInitializers(ModuleFile &F, const RecordData &Record,
unsigned &Idx) {
- CXXCtorInitializer **CtorInitializers = 0;
+ CXXCtorInitializer **CtorInitializers = nullptr;
unsigned NumInitializers = Record[Idx++];
if (NumInitializers) {
CtorInitializers
= new (Context) CXXCtorInitializer*[NumInitializers];
for (unsigned i=0; i != NumInitializers; ++i) {
- TypeSourceInfo *TInfo = 0;
+ TypeSourceInfo *TInfo = nullptr;
bool IsBaseVirtual = false;
- FieldDecl *Member = 0;
- IndirectFieldDecl *IndirectMember = 0;
+ FieldDecl *Member = nullptr;
+ IndirectFieldDecl *IndirectMember = nullptr;
CtorInitializerType Type = (CtorInitializerType)Record[Idx++];
switch (Type) {
ASTReader::ReadNestedNameSpecifier(ModuleFile &F,
const RecordData &Record, unsigned &Idx) {
unsigned N = Record[Idx++];
- NestedNameSpecifier *NNS = 0, *Prev = 0;
+ NestedNameSpecifier *NNS = nullptr, *Prev = nullptr;
for (unsigned I = 0; I != N; ++I) {
NestedNameSpecifier::SpecifierKind Kind
= (NestedNameSpecifier::SpecifierKind)Record[Idx++];
case NestedNameSpecifier::TypeSpecWithTemplate: {
const Type *T = readType(F, Record, Idx).getTypePtrOrNull();
if (!T)
- return 0;
-
+ return nullptr;
+
bool Template = Record[Idx++];
NNS = NestedNameSpecifier::Create(Context, Prev, Template, T);
break;
/// \brief Record that the given ID maps to the given switch-case
/// statement.
void ASTReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) {
- assert((*CurrSwitchCaseStmts)[ID] == 0 &&
+ assert((*CurrSwitchCaseStmts)[ID] == nullptr &&
"Already have a SwitchCase with this ID");
(*CurrSwitchCaseStmts)[ID] = SC;
}
/// \brief Retrieve the switch-case statement with the given ID.
SwitchCase *ASTReader::getSwitchCaseWithID(unsigned ID) {
- assert((*CurrSwitchCaseStmts)[ID] != 0 && "No SwitchCase with this ID");
+ assert((*CurrSwitchCaseStmts)[ID] != nullptr && "No SwitchCase with this ID");
return (*CurrSwitchCaseStmts)[ID];
}
bool DisableValidation, bool AllowASTWithCompilerErrors,
bool AllowConfigurationMismatch, bool ValidateSystemInputs,
bool UseGlobalIndex)
- : Listener(new PCHValidator(PP, *this)), DeserializationListener(0),
+ : Listener(new PCHValidator(PP, *this)), DeserializationListener(nullptr),
OwnsDeserializationListener(false), SourceMgr(PP.getSourceManager()),
- FileMgr(PP.getFileManager()), Diags(PP.getDiagnostics()), SemaObj(0),
- PP(PP), Context(Context), Consumer(0), ModuleMgr(PP.getFileManager()),
- isysroot(isysroot), DisableValidation(DisableValidation),
+ FileMgr(PP.getFileManager()), Diags(PP.getDiagnostics()),
+ SemaObj(nullptr), PP(PP), Context(Context), Consumer(nullptr),
+ ModuleMgr(PP.getFileManager()), isysroot(isysroot),
+ DisableValidation(DisableValidation),
AllowASTWithCompilerErrors(AllowASTWithCompilerErrors),
AllowConfigurationMismatch(AllowConfigurationMismatch),
ValidateSystemInputs(ValidateSystemInputs),
public:
FindExistingResult(ASTReader &Reader)
- : Reader(Reader), New(0), Existing(0), AddResult(false) { }
-
+ : Reader(Reader), New(nullptr), Existing(nullptr), AddResult(false) {}
+
FindExistingResult(ASTReader &Reader, NamedDecl *New, NamedDecl *Existing)
: Reader(Reader), New(New), Existing(Existing), AddResult(true) { }
FunctionTemplateSpecializationInfo *FTInfo
= FunctionTemplateSpecializationInfo::Create(C, FD, Template, TSK,
TemplArgList,
- HasTemplateArgumentsAsWritten ? &TemplArgsInfo : 0,
+ HasTemplateArgumentsAsWritten ? &TemplArgsInfo
+ : nullptr,
POI);
FD->TemplateOrSpecialization = FTInfo;
llvm::FoldingSetNodeID ID;
FunctionTemplateSpecializationInfo::Profile(ID, TemplArgs.data(),
TemplArgs.size(), C);
- void *InsertPos = 0;
+ void *InsertPos = nullptr;
FunctionTemplateDecl::Common *CommonPtr = CanonTemplate->getCommonPtr();
CommonPtr->Specializations.FindNodeOrInsertPos(ID, InsertPos);
if (InsertPos)
Reader.getContext());
// We will rebuild this list lazily.
- ID->setIvarList(0);
-
+ ID->setIvarList(nullptr);
+
// Note that we have deserialized a definition.
Reader.PendingDefinitions.insert(ID);
VisitFieldDecl(IVD);
IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
// This field will be built lazily.
- IVD->setNextIvar(0);
+ IVD->setNextIvar(nullptr);
bool synth = Record[Idx++];
IVD->setSynthesize(synth);
}
unsigned flags = Record[Idx++];
bool byRef = (flags & 1);
bool nested = (flags & 2);
- Expr *copyExpr = ((flags & 4) ? Reader.ReadExpr(F) : 0);
+ Expr *copyExpr = ((flags & 4) ? Reader.ReadExpr(F) : nullptr);
captures.push_back(BlockDecl::Capture(decl, byRef, nested, copyExpr));
}
LambdaCaptureKind Kind = static_cast<LambdaCaptureKind>(Record[Idx++]);
switch (Kind) {
case LCK_This:
- *ToCapture++ = Capture(Loc, IsImplicit, Kind, 0, SourceLocation());
+ *ToCapture++ = Capture(Loc, IsImplicit, Kind, nullptr,SourceLocation());
break;
case LCK_ByCopy:
case LCK_ByRef:
// allocate the appropriate DefinitionData structure.
bool IsLambda = Record[Idx++];
if (IsLambda)
- DD = new (C) CXXRecordDecl::LambdaDefinitionData(D, 0, false, false,
+ DD = new (C) CXXRecordDecl::LambdaDefinitionData(D, nullptr, false, false,
LCD_None);
else
DD = new (C) struct CXXRecordDecl::DefinitionData(D);
void ASTReader::ReadAttributes(ModuleFile &F, AttrVec &Attrs,
const RecordData &Record, unsigned &Idx) {
for (unsigned i = 0, e = Record[Idx++]; i != e; ++i) {
- Attr *New = 0;
+ Attr *New = nullptr;
attr::Kind Kind = (attr::Kind)Record[Idx++];
SourceRange Range = ReadSourceRange(F, Record, Idx);
return RD->getDefinition();
if (EnumDecl *ED = dyn_cast<EnumDecl>(DC))
- return ED->getASTContext().getLangOpts().CPlusPlus? ED->getDefinition() : 0;
+ return ED->getASTContext().getLangOpts().CPlusPlus? ED->getDefinition()
+ : nullptr;
- return 0;
+ return nullptr;
}
ASTDeclReader::FindExistingResult::~FindExistingResult() {
DeclarationName Name = D->getDeclName();
if (!Name) {
// Don't bother trying to find unnamed declarations.
- FindExistingResult Result(Reader, D, /*Existing=*/0);
+ FindExistingResult Result(Reader, D, /*Existing=*/nullptr);
Result.suppress();
return Result;
}
if (Reader.MergedDeclContexts.count(D->getLexicalDeclContext()))
Reader.PendingOdrMergeChecks.push_back(D);
- return FindExistingResult(Reader, D, /*Existing=*/0);
+ return FindExistingResult(Reader, D, /*Existing=*/nullptr);
}
template<typename DeclT>
unsigned Idx = 0;
ASTDeclReader Reader(*this, *Loc.F, ID, RawLocation, Record,Idx);
- Decl *D = 0;
+ Decl *D = nullptr;
switch ((DeclCode)DeclsCursor.readRecord(Code, Record)) {
case DECL_CONTEXT_LEXICAL:
case DECL_CONTEXT_VISIBLE:
break;
case DECL_CXX_BASE_SPECIFIERS:
Error("attempt to read a C++ base-specifier record as a declaration");
- return 0;
+ return nullptr;
case DECL_IMPORT:
// Note: last entry of the ImportDecl record is the number of stored source
// locations.
LookupDC->setHasExternalVisibleStorage(true);
if (ReadDeclContextStorage(*Loc.F, DeclsCursor, Offsets,
Loc.F->DeclContextInfos[DC]))
- return 0;
+ return nullptr;
}
// Now add the pending visible updates for this decl context, if it has any.
unsigned PreviousGeneration)
: Reader(Reader), InterfaceID(InterfaceID), Interface(Interface),
Deserialized(Deserialized), PreviousGeneration(PreviousGeneration),
- Tail(0)
+ Tail(nullptr)
{
// Populate the name -> category map with the set of known categories.
for (auto *Cat : Interface->known_categories()) {
public:
typedef IdentifierInfo * data_type;
-
+
ASTIdentifierLookupTrait(ASTReader &Reader, ModuleFile &F,
- IdentifierInfo *II = 0)
+ IdentifierInfo *II = nullptr)
: Reader(Reader), F(F), KnownII(II) { }
-
+
data_type ReadData(const internal_key_type& k,
const unsigned char* d,
unsigned DataLen);
if (Record[Idx++])
S->setAllEnumCasesCovered();
- SwitchCase *PrevSC = 0;
+ SwitchCase *PrevSC = nullptr;
for (unsigned N = Record.size(); Idx != N; ++Idx) {
SwitchCase *SC = Reader.getSwitchCaseWithID(Record[Idx]);
if (PrevSC)
E->setLBraceLoc(ReadSourceLocation(Record, Idx));
E->setRBraceLoc(ReadSourceLocation(Record, Idx));
bool isArrayFiller = Record[Idx++];
- Expr *filler = 0;
+ Expr *filler = nullptr;
if (isArrayFiller) {
filler = Reader.ReadSubExpr();
E->ArrayFillerOrUnionFieldInit = filler;
case llvm::BitstreamEntry::SubBlock: // Handled for us already.
case llvm::BitstreamEntry::Error:
Error("malformed block record in AST file");
- return 0;
+ return nullptr;
case llvm::BitstreamEntry::EndBlock:
goto Done;
case llvm::BitstreamEntry::Record:
break;
}
-
- Stmt *S = 0;
+ Stmt *S = nullptr;
Idx = 0;
Record.clear();
bool Finished = false;
break;
case STMT_NULL_PTR:
- S = 0;
+ S = nullptr;
break;
case STMT_NULL:
S = MemberExpr::Create(Context, Base, IsArrow, QualifierLoc,
TemplateKWLoc, MemberD, FoundDecl, MemberNameInfo,
- HasTemplateKWAndArgsInfo ? &ArgInfo : 0,
+ HasTemplateKWAndArgsInfo ? &ArgInfo : nullptr,
T, VK, OK);
ReadDeclarationNameLoc(F, cast<MemberExpr>(S)->MemberDNLoc,
MemberD->getDeclName(), Record, Idx);
S = new (Context) MSDependentExistsStmt(SourceLocation(), true,
NestedNameSpecifierLoc(),
DeclarationNameInfo(),
- 0);
+ nullptr);
break;
case STMT_OMP_PARALLEL_DIRECTIVE:
bool HasOtherExprStored = Record[ASTStmtReader::NumExprFields];
if (HasOtherExprStored) {
Expr *SubExpr = ReadSubExpr();
- S = CXXDefaultArgExpr::Create(Context, SourceLocation(), 0, SubExpr);
+ S = CXXDefaultArgExpr::Create(Context, SourceLocation(), nullptr,
+ SubExpr);
} else
S = new (Context) CXXDefaultArgExpr(Empty);
break;
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
// Emit the block name if present.
- if (Name == 0 || Name[0] == 0) return;
+ if (!Name || Name[0] == 0)
+ return;
Record.clear();
while (*Name)
Record.push_back(*Name++);
if (MacroDirective *NextMD = getPublicSubmoduleMacro(MD, ModID, Overridden))
if (!shouldIgnoreMacro(NextMD, IsModule, PP))
return NextMD;
- return 0;
+ return nullptr;
}
MacroDirective *
getPublicSubmoduleMacro(MD->getPrevious(), ModID, Overridden))
if (!shouldIgnoreMacro(NextMD, IsModule, PP))
return NextMD;
- return 0;
+ return nullptr;
}
/// \brief Traverses the macro directives history and returns the latest
SubmoduleID &ModID,
OverriddenList &Overridden) {
if (!MD)
- return 0;
+ return nullptr;
Overridden.clear();
SubmoduleID OrigModID = ModID;
}
}
- return 0;
+ return nullptr;
}
SubmoduleID getSubmoduleID(MacroDirective *MD) {
EmitKeyDataLength(raw_ostream& Out, IdentifierInfo* II, IdentID ID) {
unsigned KeyLen = II->getLength() + 1;
unsigned DataLen = 4; // 4 bytes for the persistent ID << 1
- MacroDirective *Macro = 0;
+ MacroDirective *Macro = nullptr;
if (isInterestingIdentifier(II, Macro)) {
DataLen += 2; // 2 bytes for builtin ID
DataLen += 2; // 2 bytes for flags
IdentID ID, unsigned) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
- MacroDirective *Macro = 0;
+ MacroDirective *Macro = nullptr;
if (!isInterestingIdentifier(II, Macro)) {
LE.write<uint32_t>(ID << 1);
return;
}
ASTWriter::ASTWriter(llvm::BitstreamWriter &Stream)
- : Stream(Stream), Context(0), PP(0), Chain(0), WritingModule(0),
- WritingAST(false), DoneWritingDeclsAndTypes(false),
+ : Stream(Stream), Context(nullptr), PP(nullptr), Chain(nullptr),
+ WritingModule(nullptr), WritingAST(false), DoneWritingDeclsAndTypes(false),
ASTHasCompilerErrors(false),
FirstDeclID(NUM_PREDEF_DECL_IDS), NextDeclID(FirstDeclID),
FirstTypeID(NUM_PREDEF_TYPE_IDS), NextTypeID(FirstTypeID),
PP = &SemaRef.PP;
this->WritingModule = WritingModule;
WriteASTCore(SemaRef, isysroot, OutputFile, WritingModule);
- Context = 0;
- PP = 0;
- this->WritingModule = 0;
-
+ Context = nullptr;
+ PP = nullptr;
+ this->WritingModule = nullptr;
+
WritingAST = false;
}
template<typename Vector>
static void AddLazyVectorDecls(ASTWriter &Writer, Vector &Vec,
ASTWriter::RecordData &Record) {
- for (typename Vector::iterator I = Vec.begin(0, true), E = Vec.end();
- I != E; ++I) {
+ for (typename Vector::iterator I = Vec.begin(nullptr, true), E = Vec.end();
+ I != E; ++I) {
Writer.AddDeclRef(*I, Record);
}
}
Module *WritingModule) {
using namespace llvm;
- bool isModule = WritingModule != 0;
+ bool isModule = WritingModule != nullptr;
// Make sure that the AST reader knows to finalize itself.
if (Chain)
}
IdentID ASTWriter::getIdentifierRef(const IdentifierInfo *II) {
- if (II == 0)
+ if (!II)
return 0;
IdentID &ID = IdentifierIDs[II];
// Don't emit builtin macros like __LINE__ to the AST file unless they
// have been redefined by the header (in which case they are not
// isBuiltinMacro).
- if (MI == 0 || MI->isBuiltinMacro())
+ if (!MI || MI->isBuiltinMacro())
return 0;
MacroID &ID = MacroIDs[MI];
}
MacroID ASTWriter::getMacroID(MacroInfo *MI) {
- if (MI == 0 || MI->isBuiltinMacro())
+ if (!MI || MI->isBuiltinMacro())
return 0;
assert(MacroIDs.find(MI) != MacroIDs.end() && "Macro not emitted!");
}
SelectorID ASTWriter::getSelectorRef(Selector Sel) {
- if (Sel.getAsOpaquePtr() == 0) {
+ if (Sel.getAsOpaquePtr() == nullptr) {
return 0;
}
void ASTWriter::AddTypeSourceInfo(TypeSourceInfo *TInfo,
RecordDataImpl &Record) {
- if (TInfo == 0) {
+ if (!TInfo) {
AddTypeRef(QualType(), Record);
return;
}
DeclID ASTWriter::GetDeclRef(const Decl *D) {
assert(WritingAST && "Cannot request a declaration ID before AST writing");
-
- if (D == 0) {
+
+ if (!D) {
return 0;
}
}
DeclID ASTWriter::getDeclID(const Decl *D) {
- if (D == 0)
+ if (!D)
return 0;
// If D comes from an AST file, its declaration ID is already known and
case LCK_ByCopy:
case LCK_ByRef:
VarDecl *Var =
- Capture.capturesVariable() ? Capture.getCapturedVar() : 0;
+ Capture.capturesVariable() ? Capture.getCapturedVar() : nullptr;
AddDeclRef(Var, Record);
AddSourceLocation(Capture.isPackExpansion() ? Capture.getEllipsisLoc()
: SourceLocation(),
Record.push_back(MemberInfo->getTemplateSpecializationKind());
Writer.AddSourceLocation(MemberInfo->getPointOfInstantiation(), Record);
} else {
- Writer.AddDeclRef(0, Record);
+ Writer.AddDeclRef(nullptr, Record);
}
if (!D->hasAttrs() &&
Writer.AddTemplateArgumentList(FTSInfo->TemplateArguments, Record);
// Template args as written.
- Record.push_back(FTSInfo->TemplateArgumentsAsWritten != 0);
+ Record.push_back(FTSInfo->TemplateArgumentsAsWritten != nullptr);
if (FTSInfo->TemplateArgumentsAsWritten) {
Record.push_back(FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs);
for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs;
VisitNamedDecl(D);
// FIXME: convert to LazyStmtPtr?
// Unlike C/C++, method bodies will never be in header files.
- bool HasBodyStuff = D->getBody() != 0 ||
- D->getSelfDecl() != 0 || D->getCmdDecl() != 0;
+ bool HasBodyStuff = D->getBody() != nullptr ||
+ D->getSelfDecl() != nullptr || D->getCmdDecl() != nullptr;
Record.push_back(HasBodyStuff);
if (HasBodyStuff) {
Writer.AddStmt(D->getBody());
!D->hasExtInfo() &&
D->getFirstDecl() == D->getMostRecentDecl() &&
D->getInitStyle() == VarDecl::CInit &&
- D->getInit() == 0 &&
+ D->getInit() == nullptr &&
!isa<ParmVarDecl>(D) &&
!isa<VarTemplateSpecializationDecl>(D) &&
!D->isConstexpr() &&
D->getObjCDeclQualifier() == 0 &&
!D->isKNRPromoted() &&
!D->hasInheritedDefaultArg() &&
- D->getInit() == 0 &&
+ D->getInit() == nullptr &&
!D->hasUninstantiatedDefaultArg()) // No default expr.
AbbrevToUse = Writer.getDeclParmVarAbbrev();
assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS");
assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private");
assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var");
- assert(D->getPreviousDecl() == 0 && "PARM_VAR_DECL can't be redecl");
+ assert(D->getPreviousDecl() == nullptr && "PARM_VAR_DECL can't be redecl");
assert(!D->isStaticDataMember() &&
"PARM_VAR_DECL can't be static data member");
}
Record.push_back(D->getNumTemplateParameters());
for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i)
Writer.AddTemplateParameterList(D->getTemplateParameterList(i), Record);
- Record.push_back(D->getFriendDecl() != 0);
+ Record.push_back(D->getFriendDecl() != nullptr);
if (D->getFriendDecl())
Writer.AddDeclRef(D->getFriendDecl(), Record);
else
Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record);
// These are read/set from/to the first declaration.
- if (D->getPreviousDecl() == 0) {
+ if (D->getPreviousDecl() == nullptr) {
Writer.AddDeclRef(D->getInstantiatedFromMember(), Record);
Record.push_back(D->isMemberSpecialization());
}
Writer.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten(), Record);
// These are read/set from/to the first declaration.
- if (D->getPreviousDecl() == 0) {
+ if (D->getPreviousDecl() == nullptr) {
Writer.AddDeclRef(D->getInstantiatedFromMember(), Record);
Record.push_back(D->isMemberSpecialization());
}
} else {
// Rest of NonTypeTemplateParmDecl.
Record.push_back(D->isParameterPack());
- Record.push_back(D->getDefaultArgument() != 0);
+ Record.push_back(D->getDefaultArgument() != nullptr);
if (D->getDefaultArgument()) {
Writer.AddStmt(D->getDefaultArgument());
Record.push_back(D->defaultArgumentWasInherited());
// Captures
for (const auto &I : S->captures()) {
if (I.capturesThis())
- Writer.AddDeclRef(0, Record);
+ Writer.AddDeclRef(nullptr, Record);
else
Writer.AddDeclRef(I.getCapturedVar(), Record);
Record.push_back(I.getCaptureKind());
// Replace them by 0 to indicate that the filler goes in that place.
Expr *filler = E->getArrayFiller();
for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
- Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : 0);
+ Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : nullptr);
} else {
for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
Writer.AddStmt(E->getInit(I));
void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
Record.push_back(S->getNumCatchStmts());
- Record.push_back(S->getFinallyStmt() != 0);
+ Record.push_back(S->getFinallyStmt() != nullptr);
Writer.AddStmt(S->getTryBody());
for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
Writer.AddStmt(S->getCatchStmt(I));
if (!E->isImplicitAccess())
Writer.AddStmt(E->getBase());
else
- Writer.AddStmt(0);
+ Writer.AddStmt(nullptr);
Writer.AddTypeRef(E->getBaseType(), Record);
Record.push_back(E->isArrow());
Writer.AddSourceLocation(E->getOperatorLoc(), Record);
VisitOverloadExpr(E);
Record.push_back(E->isArrow());
Record.push_back(E->hasUnresolvedUsing());
- Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0);
+ Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : nullptr);
Writer.AddTypeRef(E->getBaseType(), Record);
Writer.AddSourceLocation(E->getOperatorLoc(), Record);
Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER;
raw_ostream *OS, bool AllowASTWithErrors)
: PP(PP), OutputFile(OutputFile), Module(Module),
isysroot(isysroot.str()), Out(OS),
- SemaPtr(0), Stream(Buffer), Writer(Stream),
+ SemaPtr(nullptr), Stream(Buffer), Writer(Stream),
AllowASTWithErrors(AllowASTWithErrors),
HasEmittedPCH(false) {
}
std::unique_ptr<llvm::MemoryBuffer> Buffer;
if (llvm::MemoryBuffer::getFile(IndexPath.c_str(), Buffer) !=
llvm::errc::success)
- return std::make_pair((GlobalModuleIndex *)0, EC_NotFound);
+ return std::make_pair(nullptr, EC_NotFound);
/// \brief The bitstream reader from which we'll read the AST file.
llvm::BitstreamReader Reader((const unsigned char *)Buffer->getBufferStart(),
Cursor.Read(8) != 'C' ||
Cursor.Read(8) != 'G' ||
Cursor.Read(8) != 'I') {
- return std::make_pair((GlobalModuleIndex *)0, EC_IOError);
+ return std::make_pair(nullptr, EC_IOError);
}
return std::make_pair(new GlobalModuleIndex(Buffer.release(), Cursor),
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
// Emit the block name if present.
- if (Name == 0 || Name[0] == 0) return;
+ if (!Name || Name[0] == 0) return;
Record.clear();
while (*Name)
Record.push_back(*Name++);
using namespace reader;
ModuleFile::ModuleFile(ModuleKind Kind, unsigned Generation)
- : Kind(Kind), File(0), DirectlyImported(false),
+ : Kind(Kind), File(nullptr), DirectlyImported(false),
Generation(Generation), SizeInBits(0),
LocalNumSLocEntries(0), SLocEntryBaseID(0),
- SLocEntryBaseOffset(0), SLocEntryOffsets(0),
+ SLocEntryBaseOffset(0), SLocEntryOffsets(nullptr),
LocalNumIdentifiers(0),
- IdentifierOffsets(0), BaseIdentifierID(0), IdentifierTableData(0),
- IdentifierLookupTable(0),
- LocalNumMacros(0), MacroOffsets(0),
+ IdentifierOffsets(nullptr), BaseIdentifierID(0),
+ IdentifierTableData(nullptr), IdentifierLookupTable(nullptr),
+ LocalNumMacros(0), MacroOffsets(nullptr),
BasePreprocessedEntityID(0),
- PreprocessedEntityOffsets(0), NumPreprocessedEntities(0),
+ PreprocessedEntityOffsets(nullptr), NumPreprocessedEntities(0),
LocalNumHeaderFileInfos(0),
- HeaderFileInfoTableData(0), HeaderFileInfoTable(0),
+ HeaderFileInfoTableData(nullptr), HeaderFileInfoTable(nullptr),
LocalNumSubmodules(0), BaseSubmoduleID(0),
- LocalNumSelectors(0), SelectorOffsets(0), BaseSelectorID(0),
- SelectorLookupTableData(0), SelectorLookupTable(0), LocalNumDecls(0),
- DeclOffsets(0), BaseDeclID(0),
- LocalNumCXXBaseSpecifiers(0), CXXBaseSpecifiersOffsets(0),
- FileSortedDecls(0), NumFileSortedDecls(0),
- RedeclarationsMap(0), LocalNumRedeclarationsInMap(0),
- ObjCCategoriesMap(0), LocalNumObjCCategoriesInMap(0),
- LocalNumTypes(0), TypeOffsets(0), BaseTypeIndex(0)
+ LocalNumSelectors(0), SelectorOffsets(nullptr), BaseSelectorID(0),
+ SelectorLookupTableData(nullptr), SelectorLookupTable(nullptr),
+ LocalNumDecls(0), DeclOffsets(nullptr), BaseDeclID(0),
+ LocalNumCXXBaseSpecifiers(0), CXXBaseSpecifiersOffsets(nullptr),
+ FileSortedDecls(nullptr), NumFileSortedDecls(0),
+ RedeclarationsMap(nullptr), LocalNumRedeclarationsInMap(0),
+ ObjCCategoriesMap(nullptr), LocalNumObjCCategoriesInMap(0),
+ LocalNumTypes(0), TypeOffsets(nullptr), BaseTypeIndex(0)
{}
ModuleFile::~ModuleFile() {
if (Entry)
return lookup(Entry);
- return 0;
+ return nullptr;
}
ModuleFile *ModuleManager::lookup(const FileEntry *File) {
llvm::DenseMap<const FileEntry *, ModuleFile *>::iterator Known
= Modules.find(File);
if (Known == Modules.end())
- return 0;
+ return nullptr;
return Known->second;
}
off_t ExpectedSize, time_t ExpectedModTime,
ModuleFile *&Module,
std::string &ErrorStr) {
- Module = 0;
+ Module = nullptr;
// Look for the file entry. This only fails if the expected size or
// modification time differ.
if (modMap) {
StringRef ModuleName = (*victim)->ModuleName;
if (Module *mod = modMap->findModule(ModuleName)) {
- mod->setASTFile(0);
+ mod->setASTFile(nullptr);
}
}
delete *victim;
if (FirstVisitState) {
VisitState *Result = FirstVisitState;
FirstVisitState = FirstVisitState->NextState;
- Result->NextState = 0;
+ Result->NextState = nullptr;
return Result;
}
}
void ModuleManager::returnVisitState(VisitState *State) {
- assert(State->NextState == 0 && "Visited state is in list?");
+ assert(State->NextState == nullptr && "Visited state is in list?");
State->NextState = FirstVisitState;
FirstVisitState = State;
}
}
ModuleManager::ModuleManager(FileManager &FileMgr)
- : FileMgr(FileMgr), GlobalIndex(), FirstVisitState(0) { }
+ : FileMgr(FileMgr), GlobalIndex(), FirstVisitState(nullptr) {}
ModuleManager::~ModuleManager() {
for (unsigned i = 0, e = Chain.size(); i != e; ++i)
assert(VisitOrder.size() == N && "Visitation order is wrong?");
delete FirstVisitState;
- FirstVisitState = 0;
+ FirstVisitState = nullptr;
}
VisitState *State = allocateVisitState();
projects / clang / commitdiff