[llvm-dev] [cfe-dev] clang-tidy: identify "C++-code-specific-checks" and "C-Code-specific-checks"

Andi-Bogdan Postelnicu via llvm-dev
Wed, 15 Sep 2021 07:30:46 -0000

Hello,

Please see my comments inlined.

[1]
https://clang-analyzer.llvm.org/available_checks.html
> On 15 Sep 2021, at 10:09, Oza, Hiral via cfe-dev <cfe-dev at
lists.llvm.org> wrote:
>
> Greetings!
>
> We are using clang-tidy with single ‘config-file’ listing enabled
tidy-checks to run for both “C++-code” and “C-code”.
>
> We are looking for your inputs:
> From list of supported clang-tidy checks, how to identify
"C++-code-specific-checks" and which are
"C-Code-specific-checks"? Can this be checked programmatically?
		What are you trying to achieve? clang-tidy addresses more C++ checkers, I
don’t recall seeing C specific checkers and no, you cannot determine this
programatically since it’s a matter of matching at the AST
level.
> Are “clang-analyzer-“ checks only applied to C++-code?
	       No, there are a wide variaty of checkers that apply to C and C++
[1]
> What happens internally if C++-code-check ran on C-code? Will it skip
parsing C-code?
		Nothing really, since the clang-tidy checkers are implemented mostly as
matcher at the AST level and since specific nodes that are matched for a
checkers are not present in the AST the checker will not get
triggered.
>
> Thank you in advance for your valuable inputs.
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