From ad3ba3a009b8202bab72639463108d6ca1616296 Mon Sep 17 00:00:00 2001
From: bumpsoo <bumpsoo063@protonmail.ch>
Date: Tue, 14 Nov 2023 13:50:26 +0000
Subject: [PATCH] lspconfig

---
 .../nvim/lua/bumpsoo/plugins/lspconfig.lua    | 79 ++++++++++++++++++-
 .config/nvim/lua/bumpsoo/set.lua              |  4 +
 2 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/.config/nvim/lua/bumpsoo/plugins/lspconfig.lua b/.config/nvim/lua/bumpsoo/plugins/lspconfig.lua
index 5e4eb06..f90b0a6 100644
--- a/.config/nvim/lua/bumpsoo/plugins/lspconfig.lua
+++ b/.config/nvim/lua/bumpsoo/plugins/lspconfig.lua
@@ -1,6 +1,81 @@
 return {
 	"neovim/nvim-lspconfig",
-	config = function() 
-		require'lspconfig'.gopls.setup{}
+	dependencies = {
+		"hrsh7th/cmp-nvim-lsp",
+		'hrsh7th/cmp-buffer',
+		'hrsh7th/cmp-path',
+		'hrsh7th/cmp-cmdline',
+		'hrsh7th/nvim-cmp',
+	},
+	event = { "BufReadPre", "BufNewFile" },
+	config = function()
+		vim.opt.completeopt = { "menu", "menuone", "noselect" }
+		local has_words_before = function()
+			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
+		local cmp = require('cmp')
+		cmp.setup({
+			mapping = {
+				["<Tab>"] = cmp.mapping(function(fallback)
+					if cmp.visible() then
+						cmp.select_next_item()
+					elseif has_words_before() then
+						cmp.complete()
+					else
+						fallback()
+					end
+				end, { "i", "s" }),
+				["<S-Tab>"] = cmp.mapping(function()
+					if cmp.visible() then
+						cmp.select_prev_item()
+					end
+				end, { "i", "s" }),
+			},
+			sources = cmp.config.sources({
+				{ name = 'nvim_lsp' },
+			}, {
+				{ name = 'buffer' },
+			})
+		})
+		local capabilities = require('cmp_nvim_lsp').default_capabilities()
+		local on_attach = function(client, bufnr)
+			local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+			local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+		
+			buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+		end
+		local signs = { Error = " ", Warn = " ", Hint = "󰠠 ", Info = " " }
+		for type, icon in pairs(signs) do
+			local hl = "DiagnosticSign" .. type
+			vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
+		end
+
+		local nvim_lsp = require('lspconfig')
+		nvim_lsp.gopls.setup{
+			cmd = {'gopls'},
+			on_attach = on_attach,
+			capabilities = capabilities,
+			settings = {
+				gopls = {
+					experimentalPostfixCompletions = true,
+					analyses = {
+						unusedparams = true,
+						shadow = true,
+					},
+					staticcheck = true,
+					gofumpt = true,
+				},
+			},
+			init_options = {
+				usePlaceholders = true,
+			}
+		}
 	end
 }
+
diff --git a/.config/nvim/lua/bumpsoo/set.lua b/.config/nvim/lua/bumpsoo/set.lua
index 3135fe4..81f6038 100644
--- a/.config/nvim/lua/bumpsoo/set.lua
+++ b/.config/nvim/lua/bumpsoo/set.lua
@@ -9,3 +9,7 @@ vim.opt.listchars = {
 	space = "·",
 	nbsp = "+",
 }
+
+vim.opt.tabstop = 4
+vim.opt.softtabstop = 4
+vim.opt.shiftwidth = 4