neovim: Add more language servers

dev/default.nix

@@ -10,5 +10,9 @@
 
   environment.systemPackages = with pkgs; [
     marksman
+    gopls
+    lua-language-server
+    clang-tools
+    texlab
   ];
 }

dev/rust/default.nix

@@ -6,5 +6,6 @@
     rustc
     rustfmt
     cargo
+    rust-analyzer
   ];
 }

terminal/neovim/default.nix

@@ -102,7 +102,35 @@
         {
           plugin = nvim-lspconfig;
           type = "lua";
-          config = "require'lspconfig'.nil_ls.setup{}";
+          config = "
+            local lspconfig = require('lspconfig')
+            lspconfig.nil_ls.setup {}
+            lspconfig.rust_analyzer.setup {}
+            lspconfig.marksman.setup {}
+            lspconfig.gopls.setup {}
+            lspconfig.lua_ls.setup {}
+            lspconfig.clangd.setup {}
+            lspconfig.texlab.setup {}
+            vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
+            vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
+            vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
+            vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)
+            vim.api.nvim_create_autocmd('LspAttach', {
+              group = vim.api.nvim_create_augroup('UserLspConfig', {}),
+              callback = function(ev)
+                local opts = { buffer = ev.buf }
+                vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
+                vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
+                vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
+                vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
+                vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
+                vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
+                vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
+                vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
+                vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
+              end,
+            })
+          ";
         }
         {
           plugin = nvim-base16;