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Diffstat (limited to 'lib/Sema/SemaDeclAttr.cpp')
-rw-r--r--lib/Sema/SemaDeclAttr.cpp56
1 files changed, 31 insertions, 25 deletions
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 6e0dc8f4a9..435507f9d7 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -753,19 +753,41 @@ static void handleIBAction(Sema &S, Decl *D, const AttributeList &Attr) {
S.Diag(Attr.getLoc(), diag::warn_attribute_ibaction) << Attr.getName();
}
+static bool checkIBOutletCommon(Sema &S, Decl *D, const AttributeList &Attr) {
+ // The IBOutlet/IBOutletCollection attributes only apply to instance
+ // variables or properties of Objective-C classes. The outlet must also
+ // have an object reference type.
+ if (const ObjCIvarDecl *VD = dyn_cast<ObjCIvarDecl>(D)) {
+ if (!VD->getType()->getAs<ObjCObjectPointerType>()) {
+ S.Diag(Attr.getLoc(), diag::err_iboutlet_object_type)
+ << Attr.getName() << VD->getType() << 0;
+ return false;
+ }
+ }
+ else if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D)) {
+ if (!PD->getType()->getAs<ObjCObjectPointerType>()) {
+ S.Diag(Attr.getLoc(), diag::err_iboutlet_object_type)
+ << Attr.getName() << PD->getType() << 1;
+ return false;
+ }
+ }
+ else {
+ S.Diag(Attr.getLoc(), diag::warn_attribute_iboutlet) << Attr.getName();
+ return false;
+ }
+
+ return true;
+}
+
static void handleIBOutlet(Sema &S, Decl *D, const AttributeList &Attr) {
// check the attribute arguments.
if (!checkAttributeNumArgs(S, Attr, 0))
return;
-
- // The IBOutlet attributes only apply to instance variables of
- // Objective-C classes.
- if (isa<ObjCIvarDecl>(D) || isa<ObjCPropertyDecl>(D)) {
- D->addAttr(::new (S.Context) IBOutletAttr(Attr.getRange(), S.Context));
+
+ if (!checkIBOutletCommon(S, D, Attr))
return;
- }
- S.Diag(Attr.getLoc(), diag::warn_attribute_iboutlet) << Attr.getName();
+ D->addAttr(::new (S.Context) IBOutletAttr(Attr.getRange(), S.Context));
}
static void handleIBOutletCollection(Sema &S, Decl *D,
@@ -777,25 +799,9 @@ static void handleIBOutletCollection(Sema &S, Decl *D,
return;
}
- // The IBOutletCollection attributes only apply to instance variables of
- // Objective-C classes.
- if (!(isa<ObjCIvarDecl>(D) || isa<ObjCPropertyDecl>(D))) {
- S.Diag(Attr.getLoc(), diag::warn_attribute_iboutlet) << Attr.getName();
+ if (!checkIBOutletCommon(S, D, Attr))
return;
- }
- if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
- if (!VD->getType()->getAs<ObjCObjectPointerType>()) {
- S.Diag(Attr.getLoc(), diag::err_iboutletcollection_object_type)
- << VD->getType() << 0;
- return;
- }
- if (const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
- if (!PD->getType()->getAs<ObjCObjectPointerType>()) {
- S.Diag(Attr.getLoc(), diag::err_iboutletcollection_object_type)
- << PD->getType() << 1;
- return;
- }
-
+
IdentifierInfo *II = Attr.getParameterName();
if (!II)
II = &S.Context.Idents.get("id");