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Diffstat (limited to 'hosts/muhammed/home/neovim/lsp.nix')
| -rw-r--r-- | hosts/muhammed/home/neovim/lsp.nix | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/hosts/muhammed/home/neovim/lsp.nix b/hosts/muhammed/home/neovim/lsp.nix new file mode 100644 index 0000000..06745da --- /dev/null +++ b/hosts/muhammed/home/neovim/lsp.nix @@ -0,0 +1,107 @@ +# This module sets up LSP server configurations for Neovim. +{pkgs, ...}: { + programs.neovim.plugins = [ + { + plugin = pkgs.vimPlugins.nvim-lspconfig; + type = "lua"; + config = '' + local lspconfig = require("lspconfig") + local util = require("lspconfig.util") + + -- Mappings. + -- See `:help vim.diagnostic.*` for documentation on any of the below functions + local opts = { noremap=true, silent=true } + vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, opts) + vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts) + vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts) + vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, opts) + + -- Use an on_attach function to only map the following keys + -- after the language server attaches to the current buffer + local on_attach = function(client, bufnr) + -- Enable completion triggered by <c-x><c-o> + vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc') + + -- Mappings. + -- See `:help vim.lsp.*` for documentation on any of the below functions + local bufopts = { noremap=true, silent=true, buffer=bufnr } + vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts) + vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts) + vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts) + vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts) + vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts) + vim.keymap.set('n', '<leader>wa', vim.lsp.buf.add_workspace_folder, bufopts) + vim.keymap.set('n', '<leader>wr', vim.lsp.buf.remove_workspace_folder, bufopts) + vim.keymap.set('n', '<leader>wl', function() + print(vim.inspect(vim.lsp.buf.list_workspace_folders())) + end, bufopts) + vim.keymap.set('n', '<leader>D', vim.lsp.buf.type_definition, bufopts) + vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bufopts) + vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, bufopts) + vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts) + vim.keymap.set('n', '<leader>f', function() vim.lsp.buf.format { async = true } end, bufopts) + vim.keymap.set('n', '<leader>s', function() vim.cmd[[ClangdSwitchSourceHeader]] end, bufopts) + end + + -- Use a loop to conveniently call 'setup' on multiple servers and + -- map buffer local keybindings when the language server attaches + local servers = { + pyright = { cmd = { "${pkgs.pyright}/bin/pyright-langserver", "--stdio" } }, + nixd = { cmd = { "${pkgs.nixd}/bin/nixd" } }, + denols = { + init_options = { + enable = true, + unstable = true, + lint = true, + }, + cmd = { "${pkgs.unstable.deno}/bin/deno", "lsp", "--unstable" }, + root_dir = function(startpath) + if util.find_package_json_ancestor(startpath) then + -- This is a Node project; let tsserver handle this one. + return nil + else + -- Otherwise, we try to find the root or + -- default to the current directory. + return util.root_pattern("deno.json", "deno.jsonc", ".git")(startpath) + or util.path.dirname(startpath) + end + end, + }, + clangd = { + cmd = { "${pkgs.clang-tools}/bin/clangd" }, + }, + nimls = { + cmd = { "${pkgs.nimlsp}/bin/nimlsp" }, + }, + }; + for server, config in pairs(servers) do + -- set common options + config.on_attach = on_attach; + config.debounce_text_changes = 150; + + lspconfig[server].setup(config) + end + ''; + } + ]; +} +# I spent like an hour writing this, only to find it was a pretty bad idea. +# +# nixToLua = s: +# if builtins.isAttrs s then +# let +# renderAttr = name: value: "[ [==========[" + name + "]==========] ] = " + (nixToLua value); +# attrsList = map (name: renderAttr name s.${name}) (lib.attrNames s); +# attrsListStr = lib.concatStringsSep ", " attrsList; +# in +# "{ ${attrsListStr} }" +# else if builtins.isList s then +# "{ " + (lib.concatStringsSep ", " (map nixToLua s)) + " }" +# else if builtins.isString s then +# # Oh boy I sure hope `s` doesn't contain "]==========]". +# "[==========[" + s + "]==========]" +# else if builtins.isInt s || builtins.isFloat s then +# toString s +# else +# throw "Cannot convert ${builtins.typeOf s} to Lua value!"; + |