[cfe-dev] Missing method in TypeVisitor ?

Douglas Gregor dgregor at apple.com
Fri Feb 12 09:29:55 PST 2010

On Feb 9, 2010, at 11:39 PM, Enea Zaffanella wrote:

> Douglas Gregor wrote:
>> On Feb 9, 2010, at 9:12 AM, Enea Zaffanella wrote:
>>> Hello.
>>> I just noticed that, in file TypeNodes.def, there is no entry for
>>> DependentTypeOfExprType
>>> As a consequence, there is no corresponding visiting method in TypeVisitor: I guess these nodes get visited by
>>> VisitTypeOfExprType() due to public inheritance.
>>> Is this what was really meant?
>> Yes, that is intended. DependentTypeOfExprType is meant only as a
>> storage type, which retains a reference to the ASTContext so that it
>> can be profiled. AST clients should just use it as a TypeOfExprType.
>> - Doug
> Now I see ... and I suppose it is the same for DependentDecltypeType.
> Are there other cases?

No, I don't think so.

> It would be nice to improve the documentation of these classes,
> e.g., by adding a sentence such as:
> "AST clients should exploit inheritance and just use base class XXX."

Done in r95989. Thanks!

	- Doug

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