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Some Objective-C++ types and expressions will never change during 

template instantiation, since they cannot be dependent or have
dependent parts. Handle them the simple way.

llvm-svn: 102094
This commit is contained in:
Douglas Gregor 2010-04-22 17:28:13 +00:00
parent cecb923e78
commit 21515a992f
1 changed files with 6 additions and 40 deletions
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44
clang/lib/Sema/TreeTransform.h
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@ -1720,23 +1720,6 @@ public:
move(Args));
}
/// \brief Build a new Objective-C protocol expression.
///
/// By default, performs semantic analysis to build the new expression.
/// Subclasses may override this routine to provide different behavior.
OwningExprResult RebuildObjCProtocolExpr(ObjCProtocolDecl *Protocol,
SourceLocation AtLoc,
SourceLocation ProtoLoc,
SourceLocation LParenLoc,
SourceLocation RParenLoc) {
return SemaRef.Owned(SemaRef.ParseObjCProtocolExpression(
Protocol->getIdentifier(),
AtLoc,
ProtoLoc,
LParenLoc,
RParenLoc));
}
/// \brief Build a new shuffle vector expression.
///
/// By default, performs semantic analysis to build the new expression.
@ -3172,8 +3155,8 @@ QualType
TreeTransform<Derived>::TransformObjCInterfaceType(TypeLocBuilder &TLB,
ObjCInterfaceTypeLoc TL,
QualType ObjectType) {
assert(false && "TransformObjCInterfaceType unimplemented");
return QualType();
// ObjCInterfaceType is never dependent.
return TL.getType();
}
template<typename Derived>
@ -3181,8 +3164,8 @@ QualType
TreeTransform<Derived>::TransformObjCObjectPointerType(TypeLocBuilder &TLB,
ObjCObjectPointerTypeLoc TL,
QualType ObjectType) {
assert(false && "TransformObjCObjectPointerType unimplemented");
return QualType();
// ObjCObjectPointerType is never dependent.
return TL.getType();
}
//===----------------------------------------------------------------------===//
@ -5599,23 +5582,7 @@ TreeTransform<Derived>::TransformObjCSelectorExpr(ObjCSelectorExpr *E) {
template<typename Derived>
Sema::OwningExprResult
TreeTransform<Derived>::TransformObjCProtocolExpr(ObjCProtocolExpr *E) {
ObjCProtocolDecl *Protocol
= cast_or_null<ObjCProtocolDecl>(
getDerived().TransformDecl(E->getLocStart(),
E->getProtocol()));
if (!Protocol)
return SemaRef.ExprError();
if (!getDerived().AlwaysRebuild() &&
Protocol == E->getProtocol())
return SemaRef.Owned(E->Retain());
return getDerived().RebuildObjCProtocolExpr(Protocol,
E->getAtLoc(),
/*FIXME:*/E->getAtLoc(),
/*FIXME:*/E->getAtLoc(),
E->getRParenLoc());
}
template<typename Derived>
@ -5646,8 +5613,7 @@ TreeTransform<Derived>::TransformObjCImplicitSetterGetterRefExpr(
template<typename Derived>
Sema::OwningExprResult
TreeTransform<Derived>::TransformObjCSuperExpr(ObjCSuperExpr *E) {
// FIXME: Implement this!
assert(false && "Cannot transform Objective-C expressions yet");
// Can never occur in a dependent context.
return SemaRef.Owned(E->Retain());
}