[cfe-dev] Tips for optimising libclang

Miguel Guedes miguel.a.guedes at gmail.com
Wed Apr 3 02:09:14 PDT 2013

On Tue, 2013-04-02 at 20:51 +0200, Tobias Grosser wrote:
> This largely depends on the machine. On my (fast) laptop, the 
> clang_complete example file in examples/boost.cpp takes 0.046 seconds.
> It would be really great to investigate this issue to get rid of the 
> need to reparse.

After having looked into clang_complete (thanks for the tip, Tobias!) I
came to the conclusion that I'd coded my code completion logic wrong. I
was under the impression that before invoking clang_codeCompleteAt one
had to reparse the TU but it turns out that's not the case - all one has
to do is feed the source file contents in a CXUnsavedFile struct.

Thanks for your invaluable help!


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