this post was submitted on 22 Oct 2023
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Common lisp definition speedbar in slime? (alien.top)
submitted 1 year ago by Decweb@alien.top to c/emacs
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When editing common lisp with slime and emacs, I'd like a speedbar listing, alternately, top level definitions in the file I'm editing, and top level definitions in the package I'm looking at (which may be a superset of definitions in the file). Preferably sorted by type of definition (function, macro, constant, etc) and/or alphabetically.

Is there some emacs tooling for this? I haven't found it.

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[–] bo-tato@alien.top 1 points 1 year ago (1 children)

I'm using doom emacs pretty much it's default setup for common lisp, and SPC-s-i is bound to consult-imenu which gives a nice fuzzy searchable listing of all top level definitions in the current file and their type (function, variable, etc).

SPC-m-h-p or sly-apropos-package will show all public symbols in a package with their docstrings. With a prefix argument it will include all private symbols also, with clickable links to go to their definition.

What I don't know is if there's a way to view all top level definitions in a whole asdf system

[–] Decweb@alien.top 1 points 1 year ago (1 children)

Are the sly presentations in a speedbar or special buffer of some kind, or just listed in the REPL?

[–] bo-tato@alien.top 1 points 1 year ago (1 children)

It looks like this, it opens a vertical popup at the bottom of the screen with fuzzy completion. Well that's just cause doom is using Vertico for completion by default, I assume with other completion frameworks or configuration it'll look different.

https://preview.redd.it/u9duaifg8vvb1.png?width=656&format=png&auto=webp&s=44c25fb889e109bec1f4c2a9665ad28921056cc4

[–] Decweb@alien.top 1 points 1 year ago (1 children)

That's the closest approximation (so far) of what I was looking for, though unfortunately I'm a slime user and haven't yet tried sly.

I'm actually surprised there isn't speedbar for CL definitions already in slime, somehow I figured it was an obvious thing I was missing, since you see that sort of thing all the time in IDE's.

[–] bo-tato@alien.top 1 points 1 year ago

I digged in a little and it seems that imenu default for imenu-prev-index-position-function is set to beginning-of-defun which is how this is working, I don't think it has anything to do with sly or slime. Then consult-imenu gives a nicer UI for imenu. I just realized there is also a consult-line-multi which will do for all buffers in the current project, which is what I was looking for. It also supports narrowing to show just functions or just variables or just macros or whatever.