[cfe-dev] Where should tooling logic live? I have no idea...
jordan_rose at apple.com
Fri Jun 29 13:16:42 PDT 2012
On Jun 29, 2012, at 12:52 , Chandler Carruth <chandlerc at google.com> wrote:
> I have a specific question about one of your points that is much more meta than the original thread:
> On Fri, Jun 29, 2012 at 9:09 AM, Douglas Gregor <dgregor at apple.com> wrote:
> - It should live in a separate repository of Clang tools alongside (but not a part of) the main Clang repository.
> I think it's clear we will need some side repository that is home of contributed tools that are maintained and released along with Clang, but not necessarily of interest to everyone.
> What isn't clear to me is how we should decide when a tool belongs there or should actually come along with the core Clang checkout. My initial guess at where this tool should live was actually in the core Clang repository, so I suspect you have a different set of heuristics you're using. Could you elaborate on them?
> Some observations that have motivated my initial guesses:
> 1) It seems like 'clang-check' and maybe 'clang-fixit' (which should be the Tooling analog to clang -fixit-always) are really good tools to put directly in the Clang tree
> 2) It seems like ad-hoc tools like the one which removes redundant calls to std::string::c_str() should not be in the main Clang tree.
> 3) I suspect that truly generic refactoring tools (let's say for example, a 'rename' tool) could very reasonably go either direction.
> 3.1) I suspect that this will be motivated by the fact that the generic refactoring logic will be structured as a library, shared by lots of tools
> 4) The idea of a Clang service layer complicates this -- in that model *all* of the tools should be libraries bundled into the server.
I would personally like the tools to be plugins for the server. Even if they end up being statically linked, it'd still be nice to be able to build with only some enabled, say. And once you have that it's more acceptable (in my mind anyway) to have some of them live out of tree.
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