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Neocaml – Rubocop Creator's New OCaml Mode for Emacs

94 points by TheWiggles 8mo ago

riffraff 8mo ago
I think Bozhidar's other projects[0][1][2] are more relevant as "credentials" for an Emacs mode, although probably more niche :) [0] Projectile, a project mode https://github.com/bbatsov/projectile https://github.com/bbatsov/projectile [1] Cider, a clojure mode https://github.com/clojure-emacs/cider https://github.com/clojure-emacs/cider [2] Prelude https://github.com/bbatsov/prelude https://github.com/bbatsov/prelude
- mark_l_watson 8mo ago
  Good projects. I have only used Clojure professionally for about 2 years out of the last 15 years but I lived in Cider. When I bought my new laptop a few months ago I consciously and purposefully refused to install VSCode, just improved my Emacs setup for all writing and programming - and I have been happier for it.
- eduction 8mo ago
  For context for those not aware, CIDER is probably the #1 Clojure repl in terms of popularity for day to day work.
kleiba 8mo ago
Aren't there specific IDEs for OCaml like for more mainstream languages?
- avsm 8mo ago
  I just use the OCaml Platform VSCode extension: (https://marketplace.visualstudio.com/items?itemName=ocamllabs.ocaml-platform https://marketplace.visualstudio.com/items?itemName=ocamllab...) or the OCaml LSP server: https://github.com/ocaml/ocaml-lsp https://github.com/ocaml/ocaml-lsp in other editors and don't really need anything domain specific.
- nesarkvechnep 8mo ago
  You answered it yourself. More mainstream languages have specific IDEs and OCaml is not more mainstream.
  - kstrauser 8mo ago
    What’s the specific Rust IDE?
    - jhck 8mo ago
      There is RustRover from JetBrains.
- ecshafer 8mo ago
  Vim/Emacs/Sublime (And now things like VSC/Helix) are more than sufficient for coding without an IDE. Autocomplete scripts, the terminal, build scripts, etc work great. Now with LSP you can turn any editor into an IDE pretty trivially.
- kleiba 8mo ago
  Downvote? Really? You're not allowed to ask a question any more?
beanjuiceII 8mo ago
great news Bozhidar always makes fantastic stuff
- jasperry 8mo ago
  I was satisfied with Tuareg + Merlin for OCaml development in Emacs, it just worked for me and didn't break when I upgraded packages, but yes, this being from bbatsov is a strong incentive to try it out. My only concern is that it uses tree-sitter, which I try to avoid because of the messiness of the JavaScript ecosystem.
  - natrys 8mo ago
    I think tree-sitter's relationship with JavaScript is entirely syntactic. You don't need any JS runtime installed to write grammars, because technically tree-sitter CLI already has a JS runtime included and using that it converts your grammar first to an intermediate JSON format, then it generates parser code in C. And then this C code gets compiled into a shared library, which is what editors like Emacs use, so to use tree-sitter modules you definitely don't need a JS runtime either.

94 points by TheWiggles 8mo ago

I think Bozhidar's other projects[0][1][2] are more relevant as "credentials" for an Emacs mode, although probably more niche :) [0] Projectile, a project mode https://github.com/bbatsov/projectile https://github.com/bbatsov/projectile [1] Cider, a clojure mode https://github.com/clojure-emacs/cider https://github.com/clojure-emacs/cider [2] Prelude https://github.com/bbatsov/prelude https://github.com/bbatsov/prelude

mark_l_watson 8mo ago
Good projects. I have only used Clojure professionally for about 2 years out of the last 15 years but I lived in Cider. When I bought my new laptop a few months ago I consciously and purposefully refused to install VSCode, just improved my Emacs setup for all writing and programming - and I have been happier for it.
eduction 8mo ago
For context for those not aware, CIDER is probably the #1 Clojure repl in terms of popularity for day to day work.

kleiba 8mo ago

Aren't there specific IDEs for OCaml like for more mainstream languages?

avsm 8mo ago
I just use the OCaml Platform VSCode extension: (https://marketplace.visualstudio.com/items?itemName=ocamllabs.ocaml-platform https://marketplace.visualstudio.com/items?itemName=ocamllab...) or the OCaml LSP server: https://github.com/ocaml/ocaml-lsp https://github.com/ocaml/ocaml-lsp in other editors and don't really need anything domain specific.
nesarkvechnep 8mo ago
You answered it yourself. More mainstream languages have specific IDEs and OCaml is not more mainstream.
- kstrauser 8mo ago
  What’s the specific Rust IDE?
  - jhck 8mo ago
    There is RustRover from JetBrains.
ecshafer 8mo ago
Vim/Emacs/Sublime (And now things like VSC/Helix) are more than sufficient for coding without an IDE. Autocomplete scripts, the terminal, build scripts, etc work great. Now with LSP you can turn any editor into an IDE pretty trivially.
kleiba 8mo ago
Downvote? Really? You're not allowed to ask a question any more?

beanjuiceII 8mo ago

great news Bozhidar always makes fantastic stuff

jasperry 8mo ago
I was satisfied with Tuareg + Merlin for OCaml development in Emacs, it just worked for me and didn't break when I upgraded packages, but yes, this being from bbatsov is a strong incentive to try it out. My only concern is that it uses tree-sitter, which I try to avoid because of the messiness of the JavaScript ecosystem.
- natrys 8mo ago
  I think tree-sitter's relationship with JavaScript is entirely syntactic. You don't need any JS runtime installed to write grammars, because technically tree-sitter CLI already has a JS runtime included and using that it converts your grammar first to an intermediate JSON format, then it generates parser code in C. And then this C code gets compiled into a shared library, which is what editors like Emacs use, so to use tree-sitter modules you definitely don't need a JS runtime either.