Re: Navigating an enormous code base

[Eli Zaretskii <eliz@gnu.org>]

> From: John Yates <john@yates-sheets.org>
> Date: Mon, 25 Apr 2022 22:31:44 -0400
> 
> At my day job I work on a 35 year old product with literally
> a few hundred million lines of codes. It is essentially a
> mono-repo.
> 
> There are thousands of directory trees with Makefiles. To be
> consistent with Emacs concepts, let's call these 'projects'.
> Luckily projects are rarely nested, and not in the areas I work
> on. There is no discipline requiring file names be unique across
> projects, nor even within projects. Furthermore, within any
> project there can be multiple unittest/ and/or pkgtest/
> directories. Each such directory must contain a
> suite_registration.cpp.
> 
> Most often I work within a single project and want to navigate to
> files in the same project. Less frequently I need to find a file
> in a sibling project. Unfortunately, there are ~400 siblings,
> though I very rarely visit more than 10.
> 
> With recent attempts to work within Emacs' built-in tools, I
> wonder how I find files in this code base. Or if Emacs lacks
> adequate built-in tooling, what package(s) might help?

In what language(s) is this written?

Can you tell more about what you mean by "how I find files"?  Like
show an example or two of use cases where you need to 'find files"?

And what built-in tools did you try to solve those problems?