5 files changed, 133 insertions, 0 deletions
diff --git a/lua/user/lsp/handlers.lua b/lua/user/lsp/handlers.lua
new file mode 100644
index 0000000..f5ab1ed
--- /dev/null
+++ b/lua/user/lsp/handlers.lua
@@ -0,0 +1,89 @@
+local M = {}
+
+M.setup = function()
+  local signs = {
+    { name = "DiagnosticSignError", text = "" },
+    { name = "DiagnosticSignWarn", text = "" },
+    { name = "DiagnosticSignHint", text = "" },
+    { name = "DiagnosticSignInfo", text = "" },
+  }
+
+  for _, sign in ipairs(signs) do
+	vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = "" })
+  end
+
+  local config = {
+	virtual_text = false,
+	signs = {
+	  active = signs,
+	},
+	update_in_insert = true,
+	underline = true,
+	severity_sort = true,
+	float = {
+	  focusable = false,
+	  style = "minimal",
+	  border = "rounded",
+	  source = "always",
+	  header = "",
+	  prefix = "",
+	},
+  }
+
+  vim.diagnostic.config(config)
+
+  vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
+  vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })
+end
+
+local function lsp_keymaps(bufnr)
+  local function set_keymap(mode, shortcut, cmd, opts)
+	return vim.api.nvim_buf_set_keymap(bufnr, mode, shortcut, cmd, opts)
+  end
+
+  local opts = { noremap = true, silent = true }
+  set_keymap("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>", opts)
+  set_keymap("n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>", opts)
+  set_keymap("n", "K", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
+  set_keymap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
+  set_keymap("n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
+  set_keymap("n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
+  set_keymap("n", "[d", '<cmd>lua vim.diagnostic.goto_prev({border = "rounded"})<CR>', opts)
+  set_keymap("n", "gl", '<cmd>lua vim.diagnostic.open_float({border = "rounded"})<CR>', opts)
+  set_keymap("n", "]d", '<cmd>lua vim.diagnostic.goto_next({ border = "rounded" })<CR>', opts)
+
+  vim.cmd [[ command! Format execute 'lua vim.lsp.buf.formatting()' ]]
+end
+
+local function lsp_highlight_document(client)
+  -- Set autocommands conditional on server_capabilities
+  if client.resolved_capabilities.document_highlight then
+    vim.api.nvim_exec(
+      [[
+      augroup lsp_document_highlight
+        autocmd! * <buffer>
+        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
+        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
+      augroup END
+    ]],
+      false
+    )
+  end
+end
+
+
+M.on_attach = function(client, bufnr)
+  lsp_keymaps(bufnr)
+  lsp_highlight_document(client)
+end
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+
+local status_ok, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
+if not status_ok then
+  return
+end
+
+M.capabilities = cmp_nvim_lsp.update_capabilities(capabilities)
+
+return M
diff --git a/lua/user/lsp/init.lua b/lua/user/lsp/init.lua
new file mode 100644
index 0000000..dd11327
--- /dev/null
+++ b/lua/user/lsp/init.lua
@@ -0,0 +1,8 @@
+local status_ok, _ = pcall(require, "lspconfig")
+if not status_ok then
+  print "Lspconfig not opened correctly"
+  return
+end
+
+require("user.lsp.lsp-installer")
+require("user.lsp.handlers").setup()
diff --git a/lua/user/lsp/lsp-installer.lua b/lua/user/lsp/lsp-installer.lua
new file mode 100644
index 0000000..7ed988c
--- /dev/null
+++ b/lua/user/lsp/lsp-installer.lua
@@ -0,0 +1,20 @@
+local status_ok, lsp_installer = pcall(require, "nvim-lsp-installer")
+if not status_ok then
+  print "nvim-lsp-installer not opened correctly"
+  return
+end
+
+
+lsp_installer.on_server_ready(function(server)
+  local opts = {
+	on_attach = require("user.lsp.handlers").on_attach,
+	capabilities = require("user.lsp.handlers").capabilities,
+  }
+
+  if server.name == "sumneko_lua" then
+	local sumneko_opts = require("user.lsp.settings.sumneko_lua")
+	opts = vim.tbl_deep_extend("force", sumneko_opts, opts)
+  end
+
+  server:setup(opts)
+end)
diff --git a/lua/user/lsp/settings/sumneko_lua.lua b/lua/user/lsp/settings/sumneko_lua.lua
new file mode 100644
index 0000000..ea650f0
--- /dev/null
+++ b/lua/user/lsp/settings/sumneko_lua.lua
@@ -0,0 +1,15 @@
+return {
+  settings = {
+	Lua = {
+	  diagnostics = {
+		globals = { "vim" },
+	  },
+	  workspace = {
+		library = {
+		  [vim.fn.expand("$VIMRUNTIME/lua")] = true,
+		  [vim.fn.expand("config") .. "/lua"] = true,
+		},
+	  },
+	},
+  },
+}
diff --git a/lua/user/lsp/test.py b/lua/user/lsp/test.py
new file mode 100644
index 0000000..2399fb2
--- /dev/null
+++ b/lua/user/lsp/test.py
@@ -0,0 +1 @@
+import math.sqrt