[cfe-dev] Cleaning up the representation of Decls in the AST

[Daniel Dunbar]

> Presumably this means that "typedef struct x foo, bar" would be a

> > DeclGroup with no "TypeDecl" but with two typedef decls?
>
> The "TypeDecl" would be 'struct x'.
>
> The DeclGroup would contain two TypedefDecls, one for the typedef of
> foo and the other for the typedef of bar.
>

I think this requires some elaboration: The representation here depends on
how we
are handling multiple RecordDecls. If the 'struct x' in the typedef
generates a new
RecordDecl for a forward reference then it would own this Decl, and the
DeclGroup
would point to it. If the 'struct x' in the typedef does not generate a new
RecordDecl
then it would be NULL.

In either situation the contained list of Decls would include two
TypedefDecls.

 - Daniel
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