oneraynyday added a comment.

In D89765#2342624 <https://reviews.llvm.org/D89765#2342624>, @awarzynski wrote:

> 



> - Have you considered sending an RFC to cfe-dev regarding this tool?  I think 
> that it would be a great way of attracting peoples attention. More 
> importantly, should we add another tool to clang-tools-extra?

Hi @awarzynski, thank you so much for taking a look! I was considering sending 
an RFC but haven't gotten around to it yet. Funny enough, how I started the 
development on this tool was because of this page: 
https://clang.llvm.org/docs/ClangTools.html which encourages newcomers to clang 
to create new tools. Specifically this line:

> C++ cast conversion tool. Will convert C-style casts ((type) value) to 
> appropriate C++ cast (static_cast, const_cast or reinterpret_cast).

I did exactly this project(was much bigger of an undertaking than I had first 
imagined) and was hoping to contribute back, assuming that everyone would be 
fairly receptive to having an extra tool that helps the community :) In 
retrospect, I do realize that this could be a feature in clang-tidy and I noted 
in the `NOTES` section that I can contribute a subset of the functionalities 
into clang-tidy as well.

> - [This] is a rather large patch - could you split it into separate chunks? 
> Otherwise it's quite tricky to review.

Of course, I'd be glad to make the review experience better for you. How do you 
want me to split it into chunks? I had the following in mind:

- First patch: `CStyleCastOperator` class in Cast.h (with all the unit tests)
- Second patch: Creating the minimal matcher, consumer, action and necessary 
CLI options
- Third patch: Adding in the matcher implementation which emits diagnostics.

Let me know what you think.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89765/new/

https://reviews.llvm.org/D89765

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