[PATCH] D79704: [Analyzer] [NFC] Parameter Regions

Tue May 12 18:20:42 PDT 2020

Szelethus added a comment.

In D79704#2032271 <https://reviews.llvm.org/D79704#2032271>, @NoQ wrote:

> Blanket reply! `ParamRegion` is not a `DeclRegion` because it does not necessarily have a corresponding `Decl`. For instance, when calling a function through an unknown function pointer, you don't have the declaration of a function, let alone its parameters.

Well hold on for a second then -- how is this, if it is, different for member pointers? Aren't they represented with a `VarRegion`?

> But for parameters of C++ object type you still need your `ParamRegion` because arguments are constructed into it.

Could you give a specific code example?

Since this patch isn't WIP, lets add unit tests that shows the added interface, highlighting pain points such as this.

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https://reviews.llvm.org/D79704