[cfe-dev] Building upon the clang static analyzer

Jordan Rose jordan_rose at apple.com
Tue Apr 9 09:57:08 PDT 2013

To build on what Anna said, the analyzer predates libTooling, but does use the same ASTFrontendAction infrastructure that a tooling plugin would use. It does seem like you would be able to run the AnalysisAction through libTooling, but we haven't ever tried this. Let us know how it turns out!

(There is of course no reason why you couldn't write custom syntactic checkers that use libASTMatchers, and then you could just use the regular --analyze interface to the analyzer. But that might be a bit more intrusive of a change.)


On Apr 6, 2013, at 11:12 , Gábor Kozár <kozargabor at gmail.com> wrote:

> Hi,
> We're working on a static analysis tool that would enforce certain design (coding) rules in some private C++ projects. So far we've been working on a custom tool, using clang libtooling, to implement some fairly trivial checks using AST matchers - however, we realized that building upon the clang static analyzer would be a much better choice, especially when implementing more complicated checks.
> I have had a quick look at the static analyzer source code, and it appears to me that it's basically an ASTFrontendAction (lib/StaticAnalyzer/FrontendActions.h), which to me indicates that this is "just another" tool built upon clang libtooling. Is this correct?
> It would be extremely convenient for us if it were so, because we could extend it seamlessly with our custom checkers into a custom analyzer tool.
> I also read on the website of the static analyzer that C++ support is not complete. However, I'm not sure how up-to-date the information on that website is kept, so I'll just ask it here: what is the state of the C++ (and C++11) support?
> Thanks!
> (Btw, we are very impressed by clang, and its static analyzer. Thank you for all your hard work! You guys are amazing!)
> Gabor
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