Jordan Rose 37ec248823 Add ModuleDecl::ReverseFullNameIterator ...

Package up the logic that generates a full Clang module name, so that
(a) we don't have to deal with clang::Module in quite as many places
in the /Swift/ compiler, and (b) we can avoid the cost of a temporary
string in a few places.

The main places where this is /not/ adopted is where we don't just
want to know the parent module name, but actually the module itself.
This is mostly indexing-related queries, which use the very similar
ModuleEntity class also defined in Module.h. I didn't quite see an
obvious way to unify these, but that might be where we want to go.

No functionality change.

2018-09-06 19:53:59 -07:00

55 KiB

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