Add neovim configuration

.config/nvim/lua/lsphelp.lua

@@ -0,0 +1,40 @@
+-- Helper function for creating keymaps.
+function nnoremap(rhs, lhs, desc)
+	local bufopts = { noremap=true, silent=true, buffer=bufnr, desc = desc }
+
+	vim.keymap.set("n", rhs, lhs, bufopts)
+end
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+function default_on_attach(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
+	nnoremap('gD', vim.lsp.buf.declaration, "Go to declaration")
+	nnoremap('gd', vim.lsp.buf.definition, "Go to definition")
+	nnoremap('K', vim.lsp.buf.hover, "Hover text")
+	nnoremap('gi', vim.lsp.buf.implementation, "Go to implementation")
+	nnoremap('<C-k>', vim.lsp.buf.signature_help, "Show signature")
+	nnoremap('<space>wa', vim.lsp.buf.add_workspace_folder, "Add workspace folder")
+	nnoremap('<space>wr', vim.lsp.buf.remove_workspace_folder, "Remove workspace folder")
+	nnoremap('<space>wl', function()
+		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+	end, "List workspace folders")
+	nnoremap('<space>D', vim.lsp.buf.type_definition, "Go to type definition")
+	nnoremap('<space>rn', vim.lsp.buf.rename, "Rename")
+	nnoremap('<space>ca', vim.lsp.buf.code_action, "Code actions")
+	nnoremap('gr', vim.lsp.buf.references, "Find references")
+	nnoremap('<space>f', function() vim.lsp.buf.format { async = true } end, "Format file")
+end
+
+function read_configuration()
+	local configuration = {}
+	local chunk, err = loadfile(os.getenv('HOME') .. '/.config/nvim/config', 't', configuration)
+	if chunk then
+		chunk()
+	end
+	return configuration
+end