[cfe-users] Fwd: [cfe-dev] matcher for obj-c variable declarations.

[Alfred Zien via cfe-users]

cfe-dev was wrong list may be?

> Hi to everyone!
> 
> I'm new to clang and libtooling, and I'm making some cheker tool that emits a error if any obj-c variable declaration doesn't have nullability specifier.
> 
> I have code like this
> 
>   A* a = [[A alloc] init];
>   B* _Null_unspecified b = [[B alloc] init];
>   C* _Nullable c = [[C alloc] init];
>   D* _Nonnull d = [[D alloc] init];
> 
> Now, I want to create a matcher to match variables declaration.
> 
> Currently I have something like this:
> StatementMatcher NullUnspecifiedMatcher =
>   declStmt(hasSingleDecl(varDecl(hasType(objcObjectPointerType()))))
> 
> There is objcObjectPointerType() but it matches only a (is it a bug?). There are some pointers/references matchers, but they don't work on those variable declarations at all. Also, I tried isAnyPointer() but it works on any pointer, obj-c or not.
> 
> I tried type() to ensure, that I'm doing everything correctly, and it works.
> 
> So, how can I match only obj-c variable declarations, with or without nullability specifier? 
> 
> Thanks for any help!
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