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neovim-flake/modules/plugins/languages/csharp.nix

122 lines
3.7 KiB
Nix

{
lib,
pkgs,
config,
options,
...
}: let
inherit (builtins) attrNames;
inherit (lib.options) mkEnableOption mkOption;
inherit (lib.types) either listOf package str enum;
inherit (lib.modules) mkIf mkMerge;
inherit (lib.lists) isList;
inherit (lib.strings) optionalString;
inherit (lib.nvim.types) mkGrammarOption;
inherit (lib.nvim.lua) expToLua;
lspKeyConfig = config.vim.lsp.mappings;
lspKeyOptions = options.vim.lsp.mappings;
mkLspBinding = optionName: action: let
key = lspKeyConfig.${optionName};
desc = lspKeyOptions.${optionName}.description;
in
optionalString (key != null) "vim.keymap.set('n', '${key}', ${action}, {buffer=bufnr, noremap=true, silent=true, desc='${desc}'})";
# Omnisharp doesn't have colors in popup docs for some reason, and I've also
# seen mentions of it being way slower, so until someone finds missing
# functionality, this will be the default.
defaultServer = "csharp_ls";
servers = {
omnisharp = {
package = pkgs.omnisharp-roslyn;
internalFormatter = true;
lspConfig = ''
lspconfig.omnisharp.setup {
capabilities = capabilities,
on_attach = function(client, bufnr)
default_on_attach(client, bufnr)
local oe = require("omnisharp_extended")
${mkLspBinding "goToDefinition" "oe.lsp_definition"}
${mkLspBinding "goToType" "oe.lsp_type_definition"}
${mkLspBinding "listReferences" "oe.lsp_references"}
${mkLspBinding "listImplementations" "oe.lsp_implementation"}
end,
cmd = ${
if isList cfg.lsp.package
then expToLua cfg.lsp.package
else "{'${cfg.lsp.package}/bin/OmniSharp'}"
}
}
'';
};
csharp_ls = {
package = pkgs.csharp-ls;
internalFormatter = true;
lspConfig = ''
local extended_handler = require("csharpls_extended").handler
lspconfig.csharp_ls.setup {
capabilities = capabilities,
on_attach = default_on_attach,
handlers = {
["textDocument/definition"] = extended_handler,
["textDocument/typeDefinition"] = extended_handler
},
cmd = ${
if isList cfg.lsp.package
then expToLua cfg.lsp.package
else "{'${cfg.lsp.package}/bin/csharp-ls'}"
}
}
'';
};
};
extraServerPlugins = {
omnisharp = ["omnisharp-extended"];
csharp_ls = ["csharpls-extended"];
};
cfg = config.vim.languages.csharp;
in {
options = {
vim.languages.csharp = {
enable = mkEnableOption "C# language support";
treesitter = {
enable = mkEnableOption "C# treesitter" // {default = config.vim.languages.enableTreesitter;};
package = mkGrammarOption pkgs "c-sharp";
};
lsp = {
enable = mkEnableOption "C# LSP support" // {default = config.vim.languages.enableLSP;};
server = mkOption {
description = "C# LSP server to use";
type = enum (attrNames servers);
default = defaultServer;
};
package = mkOption {
description = "C# LSP server package, or the command to run as a list of strings";
type = either package (listOf str);
default = servers.${cfg.lsp.server}.package;
};
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf cfg.treesitter.enable {
vim.treesitter.enable = true;
vim.treesitter.grammars = [cfg.treesitter.package];
})
(mkIf cfg.lsp.enable {
vim.startPlugins = extraServerPlugins.${cfg.lsp.server} or [];
vim.lsp.lspconfig.enable = true;
vim.lsp.lspconfig.sources.csharp-lsp = servers.${cfg.lsp.server}.lspConfig;
})
]);
}