diff options
Diffstat (limited to 'lua/simenandre/plugins/lsp.lua')
| -rw-r--r-- | lua/simenandre/plugins/lsp.lua | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/lua/simenandre/plugins/lsp.lua b/lua/simenandre/plugins/lsp.lua new file mode 100644 index 0000000..81c2248 --- /dev/null +++ b/lua/simenandre/plugins/lsp.lua @@ -0,0 +1,242 @@ +return { + { + -- `lazydev` configures Lua LSP for your Neovim config, runtime and plugins + -- used for completion, annotations and signatures of Neovim apis + "folke/lazydev.nvim", + ft = "lua", + opts = { + library = { + -- Load luvit types when the `vim.uv` word is found + { path = "luvit-meta/library", words = { "vim%.uv" } }, + }, + }, + { + -- Main LSP Configuration + "neovim/nvim-lspconfig", + dependencies = { + -- Automatically install LSPs and related tools to stdpath for Neovim + { "williamboman/mason.nvim", config = true }, -- NOTE: Must be loaded before dependants + "williamboman/mason-lspconfig.nvim", + "WhoIsSethDaniel/mason-tool-installer.nvim", + + -- Useful status updates for LSP. + -- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})` + { "j-hui/fidget.nvim", opts = {} }, + + -- Allows extra capabilities provided by nvim-cmp + "hrsh7th/cmp-nvim-lsp", + }, + config = function() + -- Brief aside: **What is LSP?** + -- + -- LSP is an initialism you've probably heard, but might not understand what it is. + -- + -- LSP stands for Language Server Protocol. It's a protocol that helps editors + -- and language tooling communicate in a standardized fashion. + -- + -- In general, you have a "server" which is some tool built to understand a particular + -- language (such as `gopls`, `lua_ls`, `rust_analyzer`, etc.). These Language Servers + -- (sometimes called LSP servers, but that's kind of like ATM Machine) are standalone + -- processes that communicate with some "client" - in this case, Neovim! + -- + -- LSP provides Neovim with features like: + -- - Go to definition + -- - Find references + -- - Autocompletion + -- - Symbol Search + -- - and more! + -- + -- Thus, Language Servers are external tools that must be installed separately from + -- Neovim. This is where `mason` and related plugins come into play. + -- + -- If you're wondering about lsp vs treesitter, you can check out the wonderfully + -- and elegantly composed help section, `:help lsp-vs-treesitter` + + -- This function gets run when an LSP attaches to a particular buffer. + -- That is to say, every time a new file is opened that is associated with + -- an lsp (for example, opening `main.rs` is associated with `rust_analyzer`) this + -- function will be executed to configure the current buffer + vim.api.nvim_create_autocmd("LspAttach", { + group = vim.api.nvim_create_augroup("kickstart-lsp-attach", { clear = true }), + callback = function(event) + -- NOTE: Remember that Lua is a real programming language, and as such it is possible + -- to define small helper and utility functions so you don't have to repeat yourself. + -- + -- In this case, we create a function that lets us more easily define mappings specific + -- for LSP related items. It sets the mode, buffer and description for us each time. + local map = function(keys, func, desc, mode) + mode = mode or "n" + vim.keymap.set(mode, keys, func, { buffer = event.buf, desc = "LSP: " .. desc }) + end + + -- Jump to the definition of the word under your cursor. + -- This is where a variable was first declared, or where a function is defined, etc. + -- To jump back, press <C-t>. + map("gd", require("telescope.builtin").lsp_definitions, "[G]oto [D]efinition") + + -- Find references for the word under your cursor. + map("gr", require("telescope.builtin").lsp_references, "[G]oto [R]eferences") + + -- Jump to the implementation of the word under your cursor. + -- Useful when your language has ways of declaring types without an actual implementation. + map("gI", require("telescope.builtin").lsp_implementations, "[G]oto [I]mplementation") + + -- Jump to the type of the word under your cursor. + -- Useful when you're not sure what type a variable is and you want to see + -- the definition of its *type*, not where it was *defined*. + map("<leader>D", require("telescope.builtin").lsp_type_definitions, "Type [D]efinition") + + -- Fuzzy find all the symbols in your current document. + -- Symbols are things like variables, functions, types, etc. + map("<leader>ds", require("telescope.builtin").lsp_document_symbols, "[D]ocument [S]ymbols") + + -- Fuzzy find all the symbols in your current workspace. + -- Similar to document symbols, except searches over your entire project. + map("<leader>ws", require("telescope.builtin").lsp_dynamic_workspace_symbols, "[W]orkspace [S]ymbols") + + -- Rename the variable under your cursor. + -- Most Language Servers support renaming across files, etc. + map("<leader>rn", vim.lsp.buf.rename, "[R]e[n]ame") + + -- Execute a code action, usually your cursor needs to be on top of an error + -- or a suggestion from your LSP for this to activate. + map("<leader>ca", vim.lsp.buf.code_action, "[C]ode [A]ction", { "n", "x" }) + + -- WARN: This is not Goto Definition, this is Goto Declaration. + -- For example, in C this would take you to the header. + map("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration") + + -- The following two autocommands are used to highlight references of the + -- word under your cursor when your cursor rests there for a little while. + -- See `:help CursorHold` for information about when this is executed + -- + -- When you move your cursor, the highlights will be cleared (the second autocommand). + local client = vim.lsp.get_client_by_id(event.data.client_id) + if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then + local highlight_augroup = vim.api.nvim_create_augroup("kickstart-lsp-highlight", { clear = false }) + vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, { + buffer = event.buf, + group = highlight_augroup, + callback = vim.lsp.buf.document_highlight, + }) + + vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, { + buffer = event.buf, + group = highlight_augroup, + callback = vim.lsp.buf.clear_references, + }) + + vim.api.nvim_create_autocmd("LspDetach", { + group = vim.api.nvim_create_augroup("kickstart-lsp-detach", { clear = true }), + callback = function(event2) + vim.lsp.buf.clear_references() + vim.api.nvim_clear_autocmds({ group = "kickstart-lsp-highlight", buffer = event2.buf }) + end, + }) + end + + -- The following code creates a keymap to toggle inlay hints in your + -- code, if the language server you are using supports them + -- + -- This may be unwanted, since they displace some of your code + if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_inlayHint) then + map("<leader>th", function() + vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled({ bufnr = event.buf })) + end, "[T]oggle Inlay [H]ints") + end + end, + }) + + -- Change diagnostic symbols in the sign column (gutter) + -- if vim.g.have_nerd_font then + -- local signs = { Error = '', Warn = '', Hint = '', Info = '' } + -- for type, icon in pairs(signs) do + -- local hl = 'DiagnosticSign' .. type + -- vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl }) + -- end + -- end + + local capabilities = vim.lsp.protocol.make_client_capabilities() + capabilities = vim.tbl_deep_extend("force", capabilities, require("blink.cmp").get_lsp_capabilities()) + + -- Enable the following language servers + -- Feel free to add/remove any LSPs that you want here. They will automatically be installed. + -- + -- Add any additional override configuration in the following tables. Available keys are: + -- - cmd (table): Override the default command used to start the server + -- - filetypes (table): Override the default list of associated filetypes for the server + -- - capabilities (table): Override fields in capabilities. Can be used to disable certain LSP features. + -- - settings (table): Override the default settings passed when initializing the server. + -- For example, to see the options for `lua_ls`, you could go to: https://luals.github.io/wiki/settings/ + local servers = { + -- clangd = {}, + gopls = {}, + zls = { + root_dir = require("lspconfig.util").root_pattern(".git", "build.zig", "zls.json"), + settings = { + zls = { + enable_inlay_hints = true, + enable_snippets = true, + warn_style = true, + }, + }, + }, + -- pyright = {}, + -- rust_analyzer = {}, + -- ... etc. See `:help lspconfig-all` for a list of all the pre-configured LSPs + -- + -- Some languages (like typescript) have entire language plugins that can be useful: + -- https://github.com/pmizio/typescript-tools.nvim + -- + -- But for many setups, the LSP (`ts_ls`) will work just fine + ts_ls = {}, + -- + + lua_ls = { + -- cmd = {...}, + -- filetypes = { ...}, + -- capabilities = {}, + settings = { + Lua = { + completion = { + callSnippet = "Replace", + }, + -- You can toggle below to ignore Lua_LS's noisy `missing-fields` warnings + -- diagnostics = { disable = { 'missing-fields' } }, + }, + }, + }, + } + + -- Ensure the servers and tools above are installed + -- To check the current status of installed tools and/or manually install + -- other tools, you can run + -- :Mason + -- + -- You can press `g?` for help in this menu. + require("mason").setup() + + -- You can add other tools here that you want Mason to install + -- for you, so that they are available from within Neovim. + local ensure_installed = vim.tbl_keys(servers or {}) + vim.list_extend(ensure_installed, { + "stylua", -- Used to format Lua code + }) + require("mason-tool-installer").setup({ ensure_installed = ensure_installed }) + + require("mason-lspconfig").setup({ + handlers = { + function(server_name) + local server = servers[server_name] or {} + -- This handles overriding only values explicitly passed + -- by the server configuration above. Useful when disabling + -- certain features of an LSP (for example, turning off formatting for ts_ls) + server.capabilities = vim.tbl_deep_extend("force", {}, capabilities, server.capabilities or {}) + require("lspconfig")[server_name].setup(server) + end, + }, + }) + end, + }, + }, +} |