void ObjCMigrateASTConsumer::migrateObjCInterfaceDecl(ASTContext &Ctx,
ObjCInterfaceDecl *D) {
for (ObjCContainerDecl::method_iterator M = D->meth_begin(), MEnd = D->meth_end();
M != MEnd; ++M) {
ObjCMethodDecl *Method = (*M);
if (Method->isPropertyAccessor() || Method->param_size() != 0)
continue;
// Is this method candidate to be a getter?
QualType GRT = Method->getResultType();
if (GRT->isVoidType())
continue;
Selector GetterSelector = Method->getSelector();
IdentifierInfo *getterName = GetterSelector.getIdentifierInfoForSlot(0);
Selector SetterSelector =
SelectorTable::constructSetterSelector(PP.getIdentifierTable(),
PP.getSelectorTable(),
getterName);
if (ObjCMethodDecl *SetterMethod = D->lookupMethod(SetterSelector, true)) {
// Is this a valid setter, matching the target getter?
QualType SRT = SetterMethod->getResultType();
if (!SRT->isVoidType())
continue;
const ParmVarDecl *argDecl = *SetterMethod->param_begin();
QualType ArgType = argDecl->getType();
if (!Ctx.hasSameType(ArgType, GRT))
continue;
edit::Commit commit(*Editor);
edit::rewriteToObjCProperty(Method, SetterMethod, *NSAPIObj, commit);
Editor->commit(commit);
}
}
}
/// ObjCGetTypeForMethodDefinition - Builds the type for a method definition
/// declarator
QualType Sema::ObjCGetTypeForMethodDefinition(DeclPtrTy D) {
ObjCMethodDecl *MDecl = cast<ObjCMethodDecl>(D.getAs<Decl>());
QualType T = MDecl->getResultType();
llvm::SmallVector<QualType, 16> ArgTys;
// Add the first two invisible argument types for self and _cmd.
if (MDecl->isInstanceMethod()) {
QualType selfTy = Context.getObjCInterfaceType(MDecl->getClassInterface());
selfTy = Context.getPointerType(selfTy);
ArgTys.push_back(selfTy);
} else
ArgTys.push_back(Context.getObjCIdType());
ArgTys.push_back(Context.getObjCSelType());
for (ObjCMethodDecl::param_iterator PI = MDecl->param_begin(),
E = MDecl->param_end(); PI != E; ++PI) {
QualType ArgTy = (*PI)->getType();
assert(!ArgTy.isNull() && "Couldn't parse type?");
ArgTy = adjustParameterType(ArgTy);
ArgTys.push_back(ArgTy);
}
T = Context.getFunctionType(T, &ArgTys[0], ArgTys.size(),
MDecl->isVariadic(), 0);
return T;
}
void
NSErrorChecker::CheckSignature(const ObjCMethodDecl& M, QualType& ResultTy,
llvm::SmallVectorImpl<VarDecl*>& ErrorParams) {
ResultTy = M.getResultType();
for (ObjCMethodDecl::param_iterator I=M.param_begin(),
E=M.param_end(); I!=E; ++I) {
QualType T = (*I)->getType();
if (isNSErrorWarning) {
if (CheckNSErrorArgument(T)) ErrorParams.push_back(*I);
}
else if (CheckCFErrorArgument(T))
ErrorParams.push_back(*I);
}
}
/// HandleExprPropertyRefExpr - Handle foo.bar where foo is a pointer to an
/// objective C interface. This is a property reference expression.
ExprResult Sema::
HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT,
Expr *BaseExpr, DeclarationName MemberName,
SourceLocation MemberLoc,
SourceLocation SuperLoc, QualType SuperType,
bool Super) {
const ObjCInterfaceType *IFaceT = OPT->getInterfaceType();
ObjCInterfaceDecl *IFace = IFaceT->getDecl();
IdentifierInfo *Member = MemberName.getAsIdentifierInfo();
if (IFace->isForwardDecl()) {
Diag(MemberLoc, diag::err_property_not_found_forward_class)
<< MemberName << QualType(OPT, 0);
Diag(IFace->getLocation(), diag::note_forward_class);
return ExprError();
}
// Search for a declared property first.
if (ObjCPropertyDecl *PD = IFace->FindPropertyDeclaration(Member)) {
// Check whether we can reference this property.
if (DiagnoseUseOfDecl(PD, MemberLoc))
return ExprError();
QualType ResTy = PD->getType();
Selector Sel = PP.getSelectorTable().getNullarySelector(Member);
ObjCMethodDecl *Getter = IFace->lookupInstanceMethod(Sel);
if (DiagnosePropertyAccessorMismatch(PD, Getter, MemberLoc))
ResTy = Getter->getResultType();
if (Super)
return Owned(new (Context) ObjCPropertyRefExpr(PD, ResTy,
VK_LValue, OK_ObjCProperty,
MemberLoc,
SuperLoc, SuperType));
else
return Owned(new (Context) ObjCPropertyRefExpr(PD, ResTy,
VK_LValue, OK_ObjCProperty,
MemberLoc, BaseExpr));
}
// Check protocols on qualified interfaces.
for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
E = OPT->qual_end(); I != E; ++I)
if (ObjCPropertyDecl *PD = (*I)->FindPropertyDeclaration(Member)) {
// Check whether we can reference this property.
if (DiagnoseUseOfDecl(PD, MemberLoc))
return ExprError();
if (Super)
return Owned(new (Context) ObjCPropertyRefExpr(PD, PD->getType(),
VK_LValue,
OK_ObjCProperty,
MemberLoc,
SuperLoc, SuperType));
else
return Owned(new (Context) ObjCPropertyRefExpr(PD, PD->getType(),
VK_LValue,
OK_ObjCProperty,
MemberLoc,
BaseExpr));
}
// If that failed, look for an "implicit" property by seeing if the nullary
// selector is implemented.
// FIXME: The logic for looking up nullary and unary selectors should be
// shared with the code in ActOnInstanceMessage.
Selector Sel = PP.getSelectorTable().getNullarySelector(Member);
ObjCMethodDecl *Getter = IFace->lookupInstanceMethod(Sel);
// May be founf in property's qualified list.
if (!Getter)
Getter = LookupMethodInQualifiedType(Sel, OPT, true);
// If this reference is in an @implementation, check for 'private' methods.
if (!Getter)
Getter = IFace->lookupPrivateMethod(Sel);
// Look through local category implementations associated with the class.
if (!Getter)
Getter = IFace->getCategoryInstanceMethod(Sel);
if (Getter) {
// Check if we can reference this property.
if (DiagnoseUseOfDecl(Getter, MemberLoc))
return ExprError();
}
// If we found a getter then this may be a valid dot-reference, we
// will look for the matching setter, in case it is needed.
Selector SetterSel =
SelectorTable::constructSetterName(PP.getIdentifierTable(),
PP.getSelectorTable(), Member);
ObjCMethodDecl *Setter = IFace->lookupInstanceMethod(SetterSel);
// May be founf in property's qualified list.
if (!Setter)
Setter = LookupMethodInQualifiedType(SetterSel, OPT, true);
if (!Setter) {
// If this reference is in an @implementation, also check for 'private'
// methods.
Setter = IFace->lookupPrivateMethod(SetterSel);
}
// Look through local category implementations associated with the class.
if (!Setter)
Setter = IFace->getCategoryInstanceMethod(SetterSel);
if (Setter && DiagnoseUseOfDecl(Setter, MemberLoc))
return ExprError();
if (Getter || Setter) {
QualType PType;
if (Getter)
PType = Getter->getSendResultType();
else {
ParmVarDecl *ArgDecl = *Setter->param_begin();
PType = ArgDecl->getType();
}
ExprValueKind VK = VK_LValue;
ExprObjectKind OK = OK_ObjCProperty;
if (!getLangOptions().CPlusPlus && !PType.hasQualifiers() &&
PType->isVoidType())
VK = VK_RValue, OK = OK_Ordinary;
if (Super)
return Owned(new (Context) ObjCPropertyRefExpr(Getter, Setter,
PType, VK, OK,
MemberLoc,
SuperLoc, SuperType));
else
return Owned(new (Context) ObjCPropertyRefExpr(Getter, Setter,
PType, VK, OK,
MemberLoc, BaseExpr));
}
// Attempt to correct for typos in property names.
LookupResult Res(*this, MemberName, MemberLoc, LookupOrdinaryName);
if (CorrectTypo(Res, 0, 0, IFace, false, CTC_NoKeywords, OPT) &&
Res.getAsSingle<ObjCPropertyDecl>()) {
DeclarationName TypoResult = Res.getLookupName();
Diag(MemberLoc, diag::err_property_not_found_suggest)
<< MemberName << QualType(OPT, 0) << TypoResult
<< FixItHint::CreateReplacement(MemberLoc, TypoResult.getAsString());
ObjCPropertyDecl *Property = Res.getAsSingle<ObjCPropertyDecl>();
Diag(Property->getLocation(), diag::note_previous_decl)
<< Property->getDeclName();
return HandleExprPropertyRefExpr(OPT, BaseExpr, TypoResult, MemberLoc,
SuperLoc, SuperType, Super);
}
ObjCInterfaceDecl *ClassDeclared;
if (ObjCIvarDecl *Ivar =
IFace->lookupInstanceVariable(Member, ClassDeclared)) {
QualType T = Ivar->getType();
if (const ObjCObjectPointerType * OBJPT =
T->getAsObjCInterfacePointerType()) {
const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType();
if (ObjCInterfaceDecl *IFace = IFaceT->getDecl())
if (IFace->isForwardDecl()) {
Diag(MemberLoc, diag::err_property_not_as_forward_class)
<< MemberName << IFace;
Diag(IFace->getLocation(), diag::note_forward_class);
return ExprError();
}
}
}
Diag(MemberLoc, diag::err_property_not_found)
<< MemberName << QualType(OPT, 0);
if (Setter)
Diag(Setter->getLocation(), diag::note_getter_unavailable)
<< MemberName << BaseExpr->getSourceRange();
return ExprError();
}