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-rw-r--r--lib/AST/ASTContext.cpp194
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