1 files changed, 81 insertions, 0 deletions
diff --git a/.config/nvim/lua/user/lsp/common.lua b/.config/nvim/lua/user/lsp/common.lua
new file mode 100644
index 0000000..032cb7f
--- /dev/null
+++ b/.config/nvim/lua/user/lsp/common.lua
@@ -0,0 +1,81 @@
+-- this file contains setup for snippets and common LSP options
+
+local cmp_status, cmp = pcall(require, 'cmp')
+-- vim.api.nvim_echo({{"Hello!", "Normal"}}, true, {})
+if not cmp_status then
+	vim.api.nvim_err_writeln(string.format("shit! error status: %s", cmp_status))
+	return
+end
+luasnip = require 'luasnip'
+luasnip.setup()
+
+local expnoresilent = {expr = true, noremap = true, silent = true}
+local noresilent = {noremap = true, silent = true}
+
+-- stolen from https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance
+local kind_icons = {
+	Text = "",	Method = "󰆧",
+	Function = "󰊕",	Constructor = "",
+	Field = "󰇽",	Variable = "󰂡",
+	Class = "󰠱",	Interface = "",
+	Module = "",	Property = "󰜢",
+	Unit = "",	Value = "󰎠",
+	Enum = "",	Keyword = "󰌋",
+	Snippet = "",	Color = "󰏘",
+	File = "󰈙",	Reference = "",
+	Folder = "󰉋",	EnumMember = "",
+	Constant = "󰏿",	Struct = "",
+	Event = "",	Operator = "󰆕",
+	TypeParameter = "󰅲",
+}
+
+-- from https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#luasnip
+local stolen_function = function() -- to check whether there are words before cursor
+	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
+
+-- TODO: Finish
+cmp.setup {
+	snippet = {
+		expand = function(args)
+			vim.fn["vsnip#anonymous"](args.body)	-- for vsnip (i left it)
+			luasnip.lsp_expand(args.body)		-- for luasnip cause i like it more
+		end,
+	},
+	-- NOTE: ordering or this table affects completions ordering
+	sources = { 	-- TODO: Add keyword_length to some of them ??????
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+		{ name = 'buffer' },
+		{ name = 'path' },
+		{ name = 'calc' },
+		{ name = 'nvim_lua' },
+		{ name = 'nvim_lsp_signature_help' },
+	},
+	formatting = {
+		fields = { "kind", "abbr", "menu" },
+		-- the function is also half-stolen
+		format = function(entry, vim_item)
+			vim_item.kind = string.format("%s · |%s|", kind_icons[vim_item.kind], vim_item.kind)
+			vim_item.menu = ({
+				buffer = "[Buffer]",
+				nvim_lsp = "[Lsp]",
+				vsnip = "[Vsnip]",
+				luasnip = "[Luasnip]",
+				path = "[Path]",
+				nvim_lua = "[Lua]",
+				calc = "[󰊕(x)dx]",
+				nvim_lsp_signature_help = "[Lsp-help]",
+			})[entry.source.name]
+			return vim_item
+		end,
+	},
+	window = {
+		completion = cmp.config.window.bordered(), 
+		documentation = cmp.config.window.bordered(),
+	},
+	experimental = { ghost_text = true },
+}
+