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neovim-flake/modules/plugins/languages/julia.nix
diniamo c6453c4e69 languages/julia: add
Co-authored-by: raf <raf@notashelf.dev>
2024-11-02 23:49:42 +00:00

126 lines
4.1 KiB
Nix

{
lib,
pkgs,
config,
...
}: let
inherit (builtins) attrNames isList;
inherit (lib.options) mkEnableOption mkOption;
inherit (lib.types) either listOf package str enum bool nullOr;
inherit (lib.modules) mkIf mkMerge;
inherit (lib.strings) optionalString;
inherit (lib.nvim.types) mkGrammarOption;
inherit (lib.nvim.lua) expToLua;
defaultServer = "julials";
servers = {
julials = {
package = pkgs.julia.withPackages ["LanguageServer"];
internalFormatter = true;
lspConfig = ''
lspconfig.julials.setup {
capabilities = capabilities,
on_attach = default_on_attach,
cmd = ${
if isList cfg.lsp.package
then expToLua cfg.lsp.package
else ''
{
"${optionalString (cfg.lsp.package != null) "${cfg.lsp.package}/bin/"}julia",
"--startup-file=no",
"--history-file=no",
"--eval",
[[
using LanguageServer
depot_path = get(ENV, "JULIA_DEPOT_PATH", "")
project_path = let
dirname(something(
## 1. Finds an explicitly set project (JULIA_PROJECT)
Base.load_path_expand((
p = get(ENV, "JULIA_PROJECT", nothing);
p === nothing ? nothing : isempty(p) ? nothing : p
)),
## 2. Look for a Project.toml file in the current working directory,
## or parent directories, with $HOME as an upper boundary
Base.current_project(),
## 3. First entry in the load path
get(Base.load_path(), 1, nothing),
## 4. Fallback to default global environment,
## this is more or less unreachable
Base.load_path_expand("@v#.#"),
))
end
@info "Running language server" VERSION pwd() project_path depot_path
server = LanguageServer.LanguageServerInstance(stdin, stdout, project_path, depot_path)
server.runlinter = true
run(server)
]]
}
''
}
}
'';
};
};
cfg = config.vim.languages.julia;
in {
options = {
vim.languages.julia = {
enable = mkEnableOption "Julia language support";
treesitter = {
enable = mkEnableOption "Julia treesitter" // {default = config.vim.languages.enableTreesitter;};
package = mkGrammarOption pkgs "julia";
};
lsp = {
enable = mkOption {
type = bool;
default = config.vim.languages.enableLSP;
description = ''
Whether to enable Julia LSP support.
::: {.note}
The entirety of Julia is bundled with nvf, if you enable this
option, since there is no way to provide only the LSP server.
If you want to avoid that, you have to change
[](#opt-vim.languages.julia.lsp.package) to use the Julia binary
in {env}`PATH` (set it to `null`), and add the `LanguageServer` package to
Julia in your devshells.
:::
'';
};
server = mkOption {
type = enum (attrNames servers);
default = defaultServer;
description = "Julia LSP server to use";
};
package = mkOption {
description = ''
Julia LSP server package, `null` to use the Julia binary in {env}`PATH`, or
the command to run as a list of strings.
'';
type = nullOr (either package (listOf str));
default = servers.${cfg.lsp.server}.package;
};
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf cfg.treesitter.enable {
vim.treesitter.enable = true;
vim.treesitter.grammars = [cfg.treesitter.package];
})
(mkIf cfg.lsp.enable {
vim.lsp.lspconfig.enable = true;
vim.lsp.lspconfig.sources.julia-lsp = servers.${cfg.lsp.server}.lspConfig;
})
]);
}