[cfe-dev] How to write tests for ASTImporter?

[Serge Pavlov via cfe-dev]

Hi Alexei,

ASTImporter seems to be unfinished yet, it even didn't handled
StringLiteral. Nevertheless it is a useful tool and if  handling some nodes
is implemented, it works. I put the implementation of nodes interesting to
me into review request (http://reviews.llvm.org/D14224). Probably we
intersect in simple nodes but there are many nodes unimplemented yet.

If you are going to develop ASTImporter, it is great, as import facility is
a powerful technique for syntax tools.

Existing test do not test import facility thoroughly. Some test may use
static_assert, it is convenient for compile only tests. If the imported
handled all nodes, it could be tested by compiling a source file into ast
 and then compiling an empty file with merging the compiled ast file. Now
this way to test is not available though.


Thanks,
--Serge

2015-10-30 15:58 GMT+06:00 Aleksei Sidorin via cfe-dev <
cfe-dev at lists.llvm.org>:

> Hello,
>
> I have some patches for ASTImporter I wish to contribute. However, I
> didn't find much tests for it in clang test suite and I wonder if there is
> a way to write tests for ASTImporter? The only tests I found were dedicated
> to conflicting declarations.
>
> --
> Best regards,
> Aleksei Sidorin
> Software Engineer,
> IMSWL-IMCG, SRR, Samsung Electronics
>
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> cfe-dev at lists.llvm.org
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