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Re: Exploring a code base?
From: |
Perry Smith |
Subject: |
Re: Exploring a code base? |
Date: |
Tue, 27 Oct 2020 15:59:21 -0500 |
For C, cscope and a package that interfaces cscope to emacs is great.
> On Oct 27, 2020, at 6:38 AM, Yuri Khan <yuri.v.khan@gmail.com> wrote:
>
> Hello list,
>
> often, when working on a project, I encounter the following need:
>
> * I want to refactor a data structure. It has a unique name, let’s say
> Foo, so I ‘M-x grep RET git grep Foo RET’. This gives me a Grep buffer
> where I can inspect each place where that type is used explicitly.
>
> * I find that I have a function, let’s call it make_foo, that returns
> an instance of that type. There is also a consume_foo that accepts an
> argument of that type. I now want to inspect all usages of those
> because my refactoring may affect them. So I put point on make_foo and
> invoke ‘xref-find-references’.
>
> * This leads to more functions that return Foo. I may want to inspect
> each of those recursively.
>
> Basically what I’m doing is traversal of a graph, where nodes are type
> and function definitions, and edges are relationships such as
> “function <calls> function”, “function <accepts> type”, “function
> <returns> type”, “type <derives from> type”, “type <aggregates> type”,
> etc.
>
> When the change I’m doing is not very invasive, the affected subgraph
> fits completely in my head. However, when it doesn’t, I find myself
> having to record my traversal state. I create an Org buffer and
> manually maintain a queue of nodes, marking those I haven’t yet
> visited with TODO and those I have with DONE. Then I pick the first
> TODO, grep or xref-find-references on it, add any relevant nodes to
> the queue, make the necessary changes in the code, and mark the node
> DONE. Repeat until no TODO.
>
> This is rather tedious. It feels like there should exist a better way,
> maybe with a visualization of the graph structure.
>
> What do you use to explore and map a code base and perform extensive
> changes on it?
>
- Exploring a code base?, Yuri Khan, 2020/10/27
- Re: Exploring a code base?, Christopher Dimech, 2020/10/27
- Re: Exploring a code base?, Stefan Monnier, 2020/10/27
- RE: Exploring a code base?, Drew Adams, 2020/10/27
- Re: Exploring a code base?, Dmitry Gutov, 2020/10/27
- Re: Exploring a code base?,
Perry Smith <=
- Re: Exploring a code base?, Daniel Martín, 2020/10/27
- Re: Exploring a code base?, Skip Montanaro, 2020/10/27