diff options
Diffstat (limited to 'lib/AST/ASTContext.cpp')
-rw-r--r-- | lib/AST/ASTContext.cpp | 194 |
1 files changed, 108 insertions, 86 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp index 7f5c9b1ec1e6..c77acce1bd06 100644 --- a/lib/AST/ASTContext.cpp +++ b/lib/AST/ASTContext.cpp @@ -45,7 +45,8 @@ ASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), Idents(idents), Selectors(sels), - BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) { + BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts), + LastSDM(0, 0) { ObjCIdRedefinitionType = QualType(); ObjCClassRedefinitionType = QualType(); ObjCSelRedefinitionType = QualType(); @@ -858,34 +859,22 @@ void ASTContext::CollectInheritedProtocols(const Decl *CDecl, } } -unsigned ASTContext::CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD) { - unsigned count = 0; - for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), - E = PD->prop_end(); I != E; ++I) - if ((*I)->getPropertyIvarDecl()) - ++count; - - // Also look into nested protocols. - for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), - E = PD->protocol_end(); P != E; ++P) - count += CountProtocolSynthesizedIvars(*P); - return count; -} - -unsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI) { - unsigned count = 0; - for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), - E = OI->prop_end(); I != E; ++I) { - if ((*I)->getPropertyIvarDecl()) +unsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { + unsigned count = 0; + // Count ivars declared in class extension. + if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { + for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), + E = CDecl->ivar_end(); I != E; ++I) { ++count; + } } - // Also look into interface's protocol list for properties declared - // in the protocol and whose ivars are synthesized. - for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), - PE = OI->protocol_end(); P != PE; ++P) { - ObjCProtocolDecl *PD = (*P); - count += CountProtocolSynthesizedIvars(PD); - } + + // Count ivar defined in this class's implementation. This + // includes synthesized ivars. + if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) + for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), + E = ImplDecl->ivar_end(); I != E; ++I) + ++count; return count; } @@ -966,7 +955,7 @@ ASTContext::getObjCLayout(const ObjCInterfaceDecl *D, // Add in synthesized ivar count if laying out an implementation. if (Impl) { - unsigned SynthCount = CountSynthesizedIvars(D); + unsigned SynthCount = CountNonClassIvars(D); // If there aren't any sythesized ivars then reuse the interface // entry. Note we can't cache this because we simply free all // entries later; however we shouldn't look up implementations @@ -1108,14 +1097,12 @@ QualType ASTContext::getObjCGCQualType(QualType T, return getExtQualType(TypeNode, Quals); } -static QualType getNoReturnCallConvType(ASTContext& Context, QualType T, - bool AddNoReturn, - CallingConv CallConv) { +static QualType getExtFunctionType(ASTContext& Context, QualType T, + const FunctionType::ExtInfo &Info) { QualType ResultType; if (const PointerType *Pointer = T->getAs<PointerType>()) { QualType Pointee = Pointer->getPointeeType(); - ResultType = getNoReturnCallConvType(Context, Pointee, AddNoReturn, - CallConv); + ResultType = getExtFunctionType(Context, Pointee, Info); if (ResultType == Pointee) return T; @@ -1123,19 +1110,18 @@ static QualType getNoReturnCallConvType(ASTContext& Context, QualType T, } else if (const BlockPointerType *BlockPointer = T->getAs<BlockPointerType>()) { QualType Pointee = BlockPointer->getPointeeType(); - ResultType = getNoReturnCallConvType(Context, Pointee, AddNoReturn, - CallConv); + ResultType = getExtFunctionType(Context, Pointee, Info); if (ResultType == Pointee) return T; ResultType = Context.getBlockPointerType(ResultType); } else if (const FunctionType *F = T->getAs<FunctionType>()) { - if (F->getNoReturnAttr() == AddNoReturn && F->getCallConv() == CallConv) + if (F->getExtInfo() == Info) return T; if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), - AddNoReturn, CallConv); + Info); } else { const FunctionProtoType *FPT = cast<FunctionProtoType>(F); ResultType @@ -1146,7 +1132,7 @@ static QualType getNoReturnCallConvType(ASTContext& Context, QualType T, FPT->hasAnyExceptionSpec(), FPT->getNumExceptions(), FPT->exception_begin(), - AddNoReturn, CallConv); + Info); } } else return T; @@ -1155,11 +1141,21 @@ static QualType getNoReturnCallConvType(ASTContext& Context, QualType T, } QualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { - return getNoReturnCallConvType(*this, T, AddNoReturn, T.getCallConv()); + FunctionType::ExtInfo Info = getFunctionExtInfo(T); + return getExtFunctionType(*this, T, + Info.withNoReturn(AddNoReturn)); } QualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { - return getNoReturnCallConvType(*this, T, T.getNoReturnAttr(), CallConv); + FunctionType::ExtInfo Info = getFunctionExtInfo(T); + return getExtFunctionType(*this, T, + Info.withCallingConv(CallConv)); +} + +QualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { + FunctionType::ExtInfo Info = getFunctionExtInfo(T); + return getExtFunctionType(*this, T, + Info.withRegParm(RegParm)); } /// getComplexType - Return the uniqued reference to the type for a complex @@ -1617,12 +1613,13 @@ QualType ASTContext::getDependentSizedExtVectorType(QualType vecType, /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. /// -QualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn, - CallingConv CallConv) { +QualType ASTContext::getFunctionNoProtoType(QualType ResultTy, + const FunctionType::ExtInfo &Info) { + const CallingConv CallConv = Info.getCC(); // Unique functions, to guarantee there is only one function of a particular // structure. llvm::FoldingSetNodeID ID; - FunctionNoProtoType::Profile(ID, ResultTy, NoReturn, CallConv); + FunctionNoProtoType::Profile(ID, ResultTy, Info); void *InsertPos = 0; if (FunctionNoProtoType *FT = @@ -1632,8 +1629,9 @@ QualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn, QualType Canonical; if (!ResultTy.isCanonical() || getCanonicalCallConv(CallConv) != CallConv) { - Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy), NoReturn, - getCanonicalCallConv(CallConv)); + Canonical = + getFunctionNoProtoType(getCanonicalType(ResultTy), + Info.withCallingConv(getCanonicalCallConv(CallConv))); // Get the new insert position for the node we care about. FunctionNoProtoType *NewIP = @@ -1642,7 +1640,7 @@ QualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn, } FunctionNoProtoType *New = new (*this, TypeAlignment) - FunctionNoProtoType(ResultTy, Canonical, NoReturn, CallConv); + FunctionNoProtoType(ResultTy, Canonical, Info); Types.push_back(New); FunctionNoProtoTypes.InsertNode(New, InsertPos); return QualType(New, 0); @@ -1654,14 +1652,15 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, unsigned NumArgs, bool isVariadic, unsigned TypeQuals, bool hasExceptionSpec, bool hasAnyExceptionSpec, unsigned NumExs, - const QualType *ExArray, bool NoReturn, - CallingConv CallConv) { + const QualType *ExArray, + const FunctionType::ExtInfo &Info) { + const CallingConv CallConv= Info.getCC(); // Unique functions, to guarantee there is only one function of a particular // structure. llvm::FoldingSetNodeID ID; FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, - NumExs, ExArray, NoReturn, CallConv); + NumExs, ExArray, Info); void *InsertPos = 0; if (FunctionProtoType *FTP = @@ -1686,8 +1685,8 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, Canonical = getFunctionType(getCanonicalType(ResultTy), CanonicalArgs.data(), NumArgs, isVariadic, TypeQuals, false, - false, 0, 0, NoReturn, - getCanonicalCallConv(CallConv)); + false, 0, 0, + Info.withCallingConv(getCanonicalCallConv(CallConv))); // Get the new insert position for the node we care about. FunctionProtoType *NewIP = @@ -1704,7 +1703,7 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, NumExs*sizeof(QualType), TypeAlignment); new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, - ExArray, NumExs, Canonical, NoReturn, CallConv); + ExArray, NumExs, Canonical, Info); Types.push_back(FTP); FunctionProtoTypes.InsertNode(FTP, InsertPos); return QualType(FTP, 0); @@ -1963,66 +1962,76 @@ ASTContext::getQualifiedNameType(NestedNameSpecifier *NNS, return QualType(T, 0); } -QualType ASTContext::getTypenameType(NestedNameSpecifier *NNS, - const IdentifierInfo *Name, - QualType Canon) { +QualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, + NestedNameSpecifier *NNS, + const IdentifierInfo *Name, + QualType Canon) { assert(NNS->isDependent() && "nested-name-specifier must be dependent"); if (Canon.isNull()) { NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); - if (CanonNNS != NNS) - Canon = getTypenameType(CanonNNS, Name); + ElaboratedTypeKeyword CanonKeyword = Keyword; + if (Keyword == ETK_None) + CanonKeyword = ETK_Typename; + + if (CanonNNS != NNS || CanonKeyword != Keyword) + Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); } llvm::FoldingSetNodeID ID; - TypenameType::Profile(ID, NNS, Name); + DependentNameType::Profile(ID, Keyword, NNS, Name); void *InsertPos = 0; - TypenameType *T - = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); + DependentNameType *T + = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); if (T) return QualType(T, 0); - T = new (*this) TypenameType(NNS, Name, Canon); + T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); Types.push_back(T); - TypenameTypes.InsertNode(T, InsertPos); + DependentNameTypes.InsertNode(T, InsertPos); return QualType(T, 0); } QualType -ASTContext::getTypenameType(NestedNameSpecifier *NNS, - const TemplateSpecializationType *TemplateId, - QualType Canon) { +ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, + NestedNameSpecifier *NNS, + const TemplateSpecializationType *TemplateId, + QualType Canon) { assert(NNS->isDependent() && "nested-name-specifier must be dependent"); llvm::FoldingSetNodeID ID; - TypenameType::Profile(ID, NNS, TemplateId); + DependentNameType::Profile(ID, Keyword, NNS, TemplateId); void *InsertPos = 0; - TypenameType *T - = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); + DependentNameType *T + = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); if (T) return QualType(T, 0); if (Canon.isNull()) { NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); - if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) { + ElaboratedTypeKeyword CanonKeyword = Keyword; + if (Keyword == ETK_None) + CanonKeyword = ETK_Typename; + if (CanonNNS != NNS || CanonKeyword != Keyword || + CanonType != QualType(TemplateId, 0)) { const TemplateSpecializationType *CanonTemplateId = CanonType->getAs<TemplateSpecializationType>(); assert(CanonTemplateId && "Canonical type must also be a template specialization type"); - Canon = getTypenameType(CanonNNS, CanonTemplateId); + Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); } - TypenameType *CheckT - = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); + DependentNameType *CheckT + = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; } - T = new (*this) TypenameType(NNS, TemplateId, Canon); + T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); Types.push_back(T); - TypenameTypes.InsertNode(T, InsertPos); + DependentNameTypes.InsertNode(T, InsertPos); return QualType(T, 0); } @@ -4127,14 +4136,15 @@ bool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, bool ASTContext::canAssignObjCInterfacesInBlockPointer( const ObjCObjectPointerType *LHSOPT, const ObjCObjectPointerType *RHSOPT) { - if (RHSOPT->isObjCBuiltinType()) + if (RHSOPT->isObjCBuiltinType() || + LHSOPT->isObjCIdType() || LHSOPT->isObjCQualifiedIdType()) return true; if (LHSOPT->isObjCBuiltinType()) { return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); } - if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) + if (RHSOPT->isObjCQualifiedIdType()) return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), QualType(RHSOPT,0), false); @@ -4315,13 +4325,22 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) allRTypes = false; // FIXME: double check this - bool NoReturn = lbase->getNoReturnAttr() || rbase->getNoReturnAttr(); - if (NoReturn != lbase->getNoReturnAttr()) + // FIXME: should we error if lbase->getRegParmAttr() != 0 && + // rbase->getRegParmAttr() != 0 && + // lbase->getRegParmAttr() != rbase->getRegParmAttr()? + FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); + FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); + unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : + lbaseInfo.getRegParm(); + bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); + if (NoReturn != lbaseInfo.getNoReturn() || + RegParm != lbaseInfo.getRegParm()) allLTypes = false; - if (NoReturn != rbase->getNoReturnAttr()) + if (NoReturn != rbaseInfo.getNoReturn() || + RegParm != rbaseInfo.getRegParm()) allRTypes = false; - CallingConv lcc = lbase->getCallConv(); - CallingConv rcc = rbase->getCallConv(); + CallingConv lcc = lbaseInfo.getCC(); + CallingConv rcc = rbaseInfo.getCC(); // Compatible functions must have compatible calling conventions if (!isSameCallConv(lcc, rcc)) return QualType(); @@ -4360,7 +4379,8 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, if (allRTypes) return rhs; return getFunctionType(retType, types.begin(), types.size(), lproto->isVariadic(), lproto->getTypeQuals(), - false, false, 0, 0, NoReturn, lcc); + false, false, 0, 0, + FunctionType::ExtInfo(NoReturn, RegParm, lcc)); } if (lproto) allRTypes = false; @@ -4393,13 +4413,15 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, if (allRTypes) return rhs; return getFunctionType(retType, proto->arg_type_begin(), proto->getNumArgs(), proto->isVariadic(), - proto->getTypeQuals(), - false, false, 0, 0, NoReturn, lcc); + proto->getTypeQuals(), + false, false, 0, 0, + FunctionType::ExtInfo(NoReturn, RegParm, lcc)); } if (allLTypes) return lhs; if (allRTypes) return rhs; - return getFunctionNoProtoType(retType, NoReturn, lcc); + FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); + return getFunctionNoProtoType(retType, Info); } QualType ASTContext::mergeTypes(QualType LHS, QualType RHS, @@ -4903,7 +4925,7 @@ QualType ASTContext::GetBuiltinType(unsigned id, // FIXME: Should we create noreturn types? return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), TypeStr[0] == '.', 0, false, false, 0, 0, - false, CC_Default); + FunctionType::ExtInfo()); } QualType |