[cfe-dev] Build one translation-unit out of multiple source-files

[Hendrik vP]

As the subject says: Is it possible to build one translation-unit out of
multiple source-files?
I copied the source to create a compilerinstance from
https://github.com/gwaredd/reflector/blob/master/src/Reflector.cpp
For every inputfile, the FileManager, SourceManager, Preprocessor,
ASTContext and
Sema will be recreated. Thus, every sourcefile ends up in it's own
TranslationUnit.
I am aware of the possibility to simply include all given sourcefiles inside
a temporary
sourcefile - it works, but it feels 'hacky'.
Any suggestions?

- Hendrik
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