[cfe-dev] examples of using clang's VFS layer

[Maurizio Vitale via cfe-dev]

Is there any published paper/tech report/talk about how virtual file
systems are intended to be used in CLANG?

As far as I understand it, presently there're a number of implementations
in the code base including one that gets a mapping virtual->physical from a
json file. Assuming one wanted to take unmodified files from some server
that caches the version control system, is the intention to point some of
the mappings to a fuse file system that handle caching/communication w/ the
VCS?

Or are people writing their own implementation of the abstract file system
that does whatever they need and merge it with any new clang release
they're interested in?

Thanks,

  Maurizio
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