Hi !
I'm quite newbie with LLVM, so when replying please give sufficient
information please. :-)
I want to use LLVM in windows, but apparently clang currently does not support
linking of C++ classes against
microsoft compiler - due to export symbols mangling.
Subject was discussed on thread:
http://comments.gmane.org/gmane.comp.compilers.clang.devel/20068
and I've tried to contact Timur Iskhodzhanov - but without success yet.
According to bugzilla - http://llvm.org/bugs/show_bug.cgi?id=12477
whole approach looks like non-stable yet.
Meanwhile - I thought to give a shot alternative approach - if I could create
wrapper and stub C modules
- wrapper for clang, which would hide C++ - narrowing to pure C exports, and
stub code for microsoft compiler, which
would do the same thing on callee side.
In order to create such wrapper / stub modules - I need to walk through function
prototypes and typedefinitions
available in source code and generate code according to that meta-data.
I have located that clang has two kind of special command line arguments- like
'-ast-dump' and '-ast-dump-xml'
(available in debug version only for some reason) - which does something that I
need.
For some weird reason those parameters works only with -cc1 command line
parameter. (Why ?)
I've located one manual -
http://llvm.org/docs/ProgrammersManual.html#isa which suggest also how to walk
through type
information, and I guess DumpXML.cpp gives more descriptive example.
Can you recommend me how you would integrate this kind of wrapper / stub
generation into llvm / clang -
may be I could refresh '-ast-dump-xml' command argument to walk also for
normal compilation pass - what kind of problems /
open issues you see about it ?
What does -cc1 stands for ?
--
Have a nice day!
Tarmo.
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