[cfe-dev] Fixing MemberPointerTypeLoc.

[Enea Zaffanella]

Hello.

We would like to get rid of the FIXME in MemberPointerTypeLoc so as to
provide appropriate NNSLoc info. As an example of the current problem,
code such as the following:

int S<int[2+3]>::* ptr = 0;

gets printed as follows (note that the array size is computed):

int S<int [5]>::*ptr = 0;

The situation seems to be much like that of ElaboratedTypeLoc, except
for the fact that in ElaboratedType we do have an NestedNameSpecifier,
while in MemberPointerType we have instead

  /// The class of which the pointee is a member. Must ultimately be a
  /// RecordType, but could be a typedef or a template parameter too.
  const Type *Class;


So, what would be the best way to proceed?

Can we _add_ a NNS* to MemberPointerType?

Should we _replace_ the Type* with the NNS* and have the method
getClass() recompute the class type on the fly?

Should we add a TypeSourceInfo* (rather than an NNSLoc) for the class
type to the MemberPointerTypeLoc ?


Enea.