Remove smear cursor and update LSP configuration.HEADmain

1 files changed, 234 insertions, 194 deletions

diff --git a/lua/lsp.lua b/lua/lsp.lua
index 9a34981..29b4368 100644
--- a/lua/lsp.lua
+++ b/lua/lsp.lua
@@ -1,60 +1,15 @@
-local vim = assert(vim)
+-- my_lsp.lua
+local ok_cmp, cmp = pcall(require, "cmp")
+local ok_kind, lspkind = pcall(require, "lspkind")
+local ok_cmp_caps, cmp_caps = pcall(require, "cmp_nvim_lsp")
+local has_lspconfig, lspconfig = pcall(require, "lspconfig")
 
-local nvim_lsp = require("lspconfig")
-
-nvim_lsp.bashls.setup {}
-nvim_lsp.clangd.setup {
-    filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' },
-}
-nvim_lsp.jqls.setup {}
-nvim_lsp.lua_ls.setup {}
-nvim_lsp.ocamllsp.setup {}
-nvim_lsp.perlpls.setup {}
-nvim_lsp.rust_analyzer.setup {}
-nvim_lsp.verible.setup {}
-nvim_lsp.vimls.setup {}
-nvim_lsp.zls.setup {}
-nvim_lsp.texlab.setup {}
-nvim_lsp.hls.setup {
-  settings = {
-    haskell = {
-      plugin = {
-        semanticTokens = {
-          globalOn = true
-        }
-      }
-    }
-  }
-}
-nvim_lsp.pylsp.setup {
-  settings = {
-    pylsp = {
-      plugins = {
-        pycodestyle = {
-          enabled = false
-        }
-      }
-    }
-  }
-}
-
-local has_words_before = function()
-  unpack = unpack or table.unpack
-  local line, col = unpack(vim.api.nvim_win_get_cursor(0))
-  return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
-end
-
-local feedkey = function(key, mode)
-  vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)
-end
-
--- 2. Configure CMP
+-- ── completion (cmp) ───────────────────────────────────────────────────────────
 vim.opt.completeopt = { "menu", "menuone", "noselect" }
-
--- Don't show matching
 vim.opt.shortmess:append("c")
 
-local lspkind = require("lspkind") lspkind.init({
+if ok_kind then
+  lspkind.init({
     symbol_map = {
       Text = "󰉿",
       Method = "󰊕",
@@ -82,170 +37,255 @@ local lspkind = require("lspkind") lspkind.init({
       Operator = "󰆕",
       TypeParameter = "τ",
     },
-})
-
-local cmp = require("cmp")
-
-cmp.setup({
-  mapping = {
-    ["<C-d>"] = cmp.mapping.scroll_docs(-4, { "i", "s" }),
-    ["<C-u>"] = cmp.mapping.scroll_docs(4, { "i", "s" }),
-    ["<C-e>"] = cmp.mapping.close(),
-    ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
-    ["<C-n>"] = cmp.mapping(function(fallback)
-      cmp.select_next_item()
-      -- Kill any outstanding snippets
-      vim.fn["vsnip#deactivate"]()
-    end, { "i", "s" }),
-    ["<C-p>"] = cmp.mapping(function(fallback)
-      cmp.select_prev_item()
-      -- Kill any outstanding snippets
-      vim.fn["vsnip#deactivate"]()
-    end, { "i", "s" }),
-
-    ["<Tab>"] = cmp.mapping(function(fallback)
-      if vim.fn["vsnip#available"](1) == 1 then
-        feedkey("<Plug>(vsnip-expand-or-jump)", "")
-      elseif cmp.visible() then
-        cmp.mapping.confirm({ select = true })()
-      elseif has_words_before() then
-        cmp.complete()
-      else
-        fallback() -- The fallback function sends a already mapped key. In this case, it's probably `<Tab>`.
-      end
-    end, { "i", "s" }),
-
-    ["<S-Tab>"] = cmp.mapping(function()
-      if cmp.visible() then
-        cmp.select_prev_item()
-      elseif vim.fn["vsnip#jumpable"](-1) == 1 then
-        feedkey("<Plug>(vsnip-jump-prev)", "")
-      end
-    end, { "i", "s" }),
-  },
+  })
+end
 
-  formatting = {
-    format = lspkind.cmp_format({
-      mode = 'symbol_text',
-      maxwidth = 50,
-      ellipsis_char = '...',
-      show_labelDetails = true,
-      before = function(_, vim_item)
-        local function split_silly_function_arguments(str)
-          if string.len(str) == 0 or string.find(str, "[(]") == nil then
-            return str, ""
-          end
+local function has_words_before()
+  local unpack = unpack or table.unpack
+  local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+  if col == 0 then return false end
+  local l = vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1] or ""
+  return l:sub(col, col):match("%s") == nil
+end
 
-          local name_start, name_end = 1, string.find(str, "[(]") - 1
-          local function_name = string.sub(str, name_start, name_end)
-          local arguments = string.sub(str, name_end + 1)
+local function feedkey(key, mode)
+  vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)
+end
 
-          return function_name, arguments
+if ok_cmp then
+  cmp.setup({
+    mapping = {
+      ["<C-d>"] = cmp.mapping.scroll_docs(-4, { "i", "s" }),
+      ["<C-u>"] = cmp.mapping.scroll_docs(4, { "i", "s" }),
+      ["<C-e>"] = cmp.mapping.close(),
+      ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
+      ["<C-n>"] = cmp.mapping(function()
+        cmp.select_next_item()
+        pcall(vim.fn["vsnip#deactivate"])
+      end, { "i", "s" }),
+      ["<C-p>"] = cmp.mapping(function()
+        cmp.select_prev_item()
+        pcall(vim.fn["vsnip#deactivate"])
+      end, { "i", "s" }),
+      ["<Tab>"] = cmp.mapping(function(fallback)
+        if vim.fn == 1 then
+          feedkey("<Plug>(vsnip-expand-or-jump)", "")
+        elseif cmp.visible() then
+          cmp.mapping.confirm({ select = true })()
+        elseif has_words_before() then
+          cmp.complete()
+        else
+          fallback()
         end
-
-        local verbosity = 1
-        local over_9000 = 2
-        if vim.bo.filetype == 'java' then
-          verbosity = over_9000
-          if vim_item.kind == "Method" then
-            local name, args = split_silly_function_arguments(vim_item.abbr)
-            vim_item.abbr = name
-            vim_item.menu = args .. (vim_item.menu or "")
-          end
+      end, { "i", "s" }),
+      ["<S-Tab>"] = cmp.mapping(function()
+        if cmp.visible() then
+          cmp.select_prev_item()
+        elseif vim.fn["vsnip#jumpable"](-1) == 1 then
+          feedkey("<Plug>(vsnip-jump-prev)", "")
         end
-        vim_item.abbr = string.sub(vim_item.abbr, 1, 20 * verbosity)
-        vim_item.menu = string.sub(vim_item.menu or "", 1, 20 * verbosity)
-        return vim_item
-      end
-    })
-  },
-
-  sources = {
-    { name = "nvim_lsp" },
-    { name = "path" },
-    { name = "vim_vsnip" },
-    { name = "buffer", keyword_length = 5 },
-  },
-
-  sorting = {
-    comparators = {}, -- We stop all sorting to let the lsp do the sorting
-  },
+      end, { "i", "s" }),
+    },
+    formatting = ok_kind and {
+      format = lspkind.cmp_format({
+        mode = "symbol_text",
+        maxwidth = 50,
+        ellipsis_char = "...",
+        show_labelDetails = true,
+        before = function(_, item)
+          local function split_args(s)
+            if #s == 0 or not s:find("%(") then return s, "" end
+            local i = s:find("%(") - 1
+            return s:sub(1, i), s:sub(i + 1)
+          end
+          local verbosity = (vim.bo.filetype == "java") and 2 or 1
+          if vim.bo.filetype == "java" and item.kind == "Method" then
+            local name, args = split_args(item.abbr)
+            item.abbr = name
+            item.menu = (args or "") .. (item.menu or "")
+          end
+          item.abbr = item.abbr:sub(1, 20 * verbosity)
+          item.menu = (item.menu or ""):sub(1, 20 * verbosity)
+          return item
+        end,
+      }),
+    } or nil,
+    sources = {
+      { name = "nvim_lsp" },
+      { name = "path" },
+      { name = "vim_vsnip" },
+      { name = "buffer",   keyword_length = 5 },
+    },
+    sorting = { comparators = {} }, -- let LSP decide
+    snippet = {
+      expand = function(args) vim.fn["vsnip#anonymous"](args.body) end,
+    },
+    experimental = { native_menu = false, ghost_text = true },
+  })
 
-  snippet = {
-    expand = function(args)
-      vim.fn["vsnip#anonymous"](args.body)
+  -- zsh source on zsh buffers
+  vim.api.nvim_create_augroup("CmpZsh", { clear = true })
+  vim.api.nvim_create_autocmd("FileType", {
+    group = "CmpZsh",
+    pattern = "zsh",
+    callback = function()
+      require("cmp").setup.buffer { sources = { { name = "zsh" } } }
     end,
-  },
-
-  experimental = {
-    native_menu = false,
-    ghost_text = true,
-  },
-})
-
-vim.cmd([[
-  augroup CmpZsh
-    au!
-    autocmd Filetype zsh lua require'cmp'.setup.buffer { sources = { { name = "zsh" }, } }
-  augroup END
-]])
+  })
+end
 
+-- ── LSP shared on_attach & capabilities ───────────────────────────────────────
 local M = {}
--- 3. Set up CiderLSP
+
 M.on_attach = function(client, bufnr)
-  vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
-  if vim.lsp.formatexpr then -- Neovim v0.6.0+ only.
-    vim.api.nvim_buf_set_option(bufnr, "formatexpr", "v:lua.vim.lsp.formatexpr")
-  end
-  if vim.lsp.tagfunc then
-    vim.api.nvim_buf_set_option(bufnr, "tagfunc", "v:lua.vim.lsp.tagfunc")
+  -- omnifunc, tagfunc, formatexpr
+  vim.bo[bufnr].omnifunc = "v:lua.vim.lsp.omnifunc"
+  if vim.lsp.formatexpr then vim.bo[bufnr].formatexpr = "v:lua.vim.lsp.formatexpr" end
+  if vim.lsp.tagfunc then vim.bo[bufnr].tagfunc = "v:lua.vim.lsp.tagfunc" end
+
+  local map = function(mode, lhs, rhs)
+    vim.keymap.set(mode, lhs, rhs, { buffer = bufnr, silent = true, noremap = true })
   end
+  map("n", "<leader>rn", vim.lsp.buf.rename)
+  map("n", "<leader>ca", vim.lsp.buf.code_action)
+  map("n", "<M-k>", vim.lsp.buf.hover)
+  map("n", "g0", vim.lsp.buf.document_symbol)
+  map("n", "gW", vim.lsp.buf.workspace_symbol)
+  map("n", "gd", vim.lsp.buf.definition)
+  map("n", "gD", vim.lsp.buf.declaration)
+  map("n", "gi", vim.lsp.buf.implementation)
+  map("n", "gr", vim.lsp.buf.references)
+  map("n", "<C-k>", vim.lsp.buf.signature_help)
+  map("n", "g<space>", vim.lsp.buf.type_definition)
+  map("n", "[d", vim.diagnostic.goto_prev)
+  map("n", "]d", vim.diagnostic.goto_next)
 
-  local opts = { noremap = true, silent = true }
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>ca", "<cmd>lua vim.lsp.buf.code_action()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "<M-k>", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "g0", "<cmd>lua vim.lsp.buf.document_symbol()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "gW", "<cmd>lua vim.lsp.buf.workspace_symbol()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "g<space>", "<cmd>lua vim.lsp.buf.type_definition()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "[d", "<cmd>lua vim.diagnostic.goto_prev()<CR>", opts)
-  vim.api.nvim_buf_set_keymap(bufnr, "n", "]d", "<cmd>lua vim.diagnostic.goto_next()<CR>", opts)
-
-  vim.api.nvim_command("augroup LSP")
-  vim.api.nvim_command("autocmd!")
+  -- document highlight (only if server supports it)
   if client.server_capabilities.documentHighlightProvider then
-    vim.api.nvim_create_autocmd("CursorHold", {
-      buffer = bufnr,
-      callback = vim.lsp.buf.document_highlight
-    })
-    vim.api.nvim_create_autocmd("CursorHoldI", {
-      buffer = bufnr,
-      callback = vim.lsp.buf.document_highlight
+    local gid = vim.api.nvim_create_augroup("LspDocumentHighlight" .. bufnr, { clear = true })
+    vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
+      group = gid, buffer = bufnr, callback = vim.lsp.buf.document_highlight,
     })
     vim.api.nvim_create_autocmd("CursorMoved", {
-      buffer = bufnr,
-      callback = vim.lsp.buf.buf_clear_references
+      group = gid, buffer = bufnr, callback = vim.lsp.buf.clear_references,
     })
   end
-  vim.api.nvim_command("augroup END")
 
-  -- When an LSP is attached, we should just set the sign column to yes in order
-  -- to avoid the jarring behavior of it appearing and disappearing rapidly.
-  vim.opt_local.signcolumn = 'yes'
+  vim.opt_local.signcolumn = "yes"
 end
 
-vim.cmd[[hi DiagnosticUnderlineError gui=undercurl guisp=salmon]]
-vim.cmd[[hi DiagnosticUnderlineWarn gui=undercurl guisp=gold]]
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+if ok_cmp_caps then
+  capabilities = cmp_caps.default_capabilities(capabilities)
+end
 
-local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
-for type, icon in pairs(signs) do
+-- nice diagnostics styling
+vim.cmd [[hi DiagnosticUnderlineError gui=undercurl guisp=salmon]]
+vim.cmd [[hi DiagnosticUnderlineWarn  gui=undercurl guisp=gold]]
+for type, icon in pairs({ Error = " ", Warn = " ", Hint = " ", Info = " " }) do
   local hl = "DiagnosticSign" .. type
   vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
 end
 
+-- ── Servers (one table to rule them all) ──────────────────────────────────────
+local servers = {
+  bashls        = { filetypes = { "bash", "sh" } },
+  clangd        = { filetypes = { "c", "cpp", "objc", "objcpp", "cuda" } },
+  jqls          = { filetypes = { "jq" } },
+  lua_ls        = { filetypes = { "lua" } },
+  ocamllsp      = {},
+  perlpls       = {},
+  rust_analyzer = {
+    settings = {
+      semantic_tokens = {
+        modifiers = {
+          disabled = { "dead" },
+        },
+      },
+    }
+  },
+  verible       = {},
+  vimls         = {},
+  zls           = {},
+  texlab        = {},
+  hls           = {
+    settings = { haskell = { plugin = { semanticTokens = { globalOn = true } } } }
+  },
+  pylsp         = {
+    settings = { pylsp = { plugins = { pycodestyle = { enabled = false } } } }
+  },
+}
+
+-- Fallback command guesses for native start (used only if lspconfig is absent)
+local default_cmd = {
+  bashls        = { "bash-language-server", "start" },
+  clangd        = { "clangd" },
+  jqls          = { "jq-lsp" },
+  lua_ls        = { "lua-language-server" },
+  ocamllsp      = { "ocamllsp" },
+  perlpls       = { "perlpls" },
+  rust_analyzer = { "rust-analyzer" },
+  verible       = { "verible-verilog-ls" },
+  vimls         = { "vim-language-server", "--stdio" },
+  zls           = { "zls" },
+  texlab        = { "texlab" },
+  hls           = { "haskell-language-server-wrapper", "--lsp" },
+  pylsp         = { "pylsp" },
+}
+
+-- ── Setup: prefer native vim.lsp.config, fallback to lspconfig ───────────────
+local has_native = (vim.lsp and vim.lsp.config and vim.lsp.start)
+
+local function setup_with_native(name, opts)
+  -- Build a vim.lsp.config() object and start per-filetype
+  local cfg = vim.lsp.config(name, {
+    name         = name,
+    cmd          = opts.cmd or default_cmd[name],
+    root_dir     = opts.root_dir, -- optional; can rely on server defaults
+    filetypes    = opts.filetypes,
+    settings     = opts.settings,
+    capabilities = capabilities,
+    on_attach    = M.on_attach,
+  })
+
+  vim.lsp.enable(name);
+
+  -- if cfg.cmd == nil then
+  --   vim.notify(("LSP %s: no cmd found; skipping native start."):format(name), vim.log.levels.WARN)
+  --   return
+  -- end
+
+  -- Start when a matching buffer opens
+  -- local pat = opts.filetypes or "*"
+  -- vim.api.nvim_create_autocmd("FileType", {
+  --   pattern = pat,
+  --   callback = function(args)
+  --     -- Only start if ft matches the server's filetypes (or none specified)
+  --     if not cfg.filetypes or vim.tbl_contains(cfg.filetypes, vim.bo[args.buf].filetype) then
+  --       vim.lsp.start(cfg, { bufnr = args.buf })
+  --     end
+  --   end,
+  -- })
+end
+
+local function setup_with_lspconfig(name, opts)
+  if not has_lspconfig then
+    vim.notify(("lspconfig not found; cannot setup %s"):format(name), vim.log.levels.WARN)
+    return
+  end
+  local final = vim.tbl_deep_extend("force", {
+    capabilities = capabilities,
+    on_attach = M.on_attach,
+  }, opts or {})
+  lspconfig[name].setup(final)
+end
+
+for name, opts in pairs(servers) do
+  if has_native then
+    setup_with_native(name, opts)
+  else
+    setup_with_lspconfig(name, opts)
+  end
+end
+
 return M