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Fix <rdar://problem/6578665> user declared setter method should be used when using property syntx.

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llvm-svn: 66658
This commit is contained in:
Steve Naroff 2009-03-11 13:48:17 +00:00
parent f6b6a39b04
commit 1d984fe2bd
2 changed files with 67 additions and 29 deletions
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67
clang/lib/Sema/SemaExpr.cpp
View File

@ -1883,38 +1883,47 @@ Sema::ActOnMemberReferenceExpr(Scope *S, ExprArg Base, SourceLocation OpLoc,
// 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);
if (!Setter) {
// If this reference is in an @implementation, also check for 'private'
// methods.
if (ObjCMethodDecl *CurMeth = getCurMethodDecl())
if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
if (ObjCImplementationDecl *ImpDecl =
ObjCImplementations[ClassDecl->getIdentifier()])
Setter = ImpDecl->getInstanceMethod(SetterSel);
}
// 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);
if (!Setter) {
// If this reference is in an @implementation, also check for 'private'
// methods.
if (ObjCMethodDecl *CurMeth = getCurMethodDecl())
if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
if (ObjCImplementationDecl *ImpDecl =
ObjCImplementations[ClassDecl->getIdentifier()])
Setter = ImpDecl->getInstanceMethod(SetterSel);
}
// Look through local category implementations associated with the class.
if (!Setter) {
for (unsigned i = 0; i < ObjCCategoryImpls.size() && !Setter; i++) {
if (ObjCCategoryImpls[i]->getClassInterface() == IFace)
Setter = ObjCCategoryImpls[i]->getInstanceMethod(SetterSel);
}
// Look through local category implementations associated with the class.
if (!Setter) {
for (unsigned i = 0; i < ObjCCategoryImpls.size() && !Setter; i++) {
if (ObjCCategoryImpls[i]->getClassInterface() == IFace)
Setter = ObjCCategoryImpls[i]->getInstanceMethod(SetterSel);
}
}
if (Setter && DiagnoseUseOfDecl(Setter, MemberLoc))
return ExprError();
// FIXME: we must check that the setter has property type.
return Owned(new (Context) ObjCKVCRefExpr(Getter, Getter->getResultType(),
Setter, MemberLoc, BaseExpr));
}
if (Setter && DiagnoseUseOfDecl(Setter, MemberLoc))
return ExprError();
if (Getter || Setter) {
QualType PType;
if (Getter)
PType = Getter->getResultType();
else {
for (ObjCMethodDecl::param_iterator PI = Setter->param_begin(),
E = Setter->param_end(); PI != E; ++PI)
PType = (*PI)->getType();
}
// FIXME: we must check that the setter has property type.
return Owned(new (Context) ObjCKVCRefExpr(Getter, PType,
Setter, MemberLoc, BaseExpr));
}
return ExprError(Diag(MemberLoc, diag::err_property_not_found)
<< &Member << BaseType);
}

29
clang/test/SemaObjC/property-user-setter.m
View File

@ -59,3 +59,32 @@
@end
static int g_val;
@interface Root
+ alloc;
- init;
@end
@interface Subclass : Root
{
int setterOnly;
}
- (void) setSetterOnly:(int)value;
@end
@implementation Subclass
- (void) setSetterOnly:(int)value {
setterOnly = value;
g_val = setterOnly;
}
@end
int main (void) {
Subclass *x = [[Subclass alloc] init];
x.setterOnly = 4;
if (g_val != 4)
abort ();
return 0;
}