Add coc basic config, not fully working yet

nvim-coc/lua/plugins/lsp/coc.lua

@@ -0,0 +1,134 @@
+return {
+	"neoclide/coc.nvim",
+	branch = "release",
+	config = function()
+		-- Completion support and diagnostics
+		vim.cmd("set completeopt=menuone,noinsert,noselect")
+
+		-- Diagnostics settings
+		vim.cmd("set updatetime=300")
+		vim.cmd('autocmd CursorHold * silent! CocAction("diagnosticRefresh")')
+
+		-- Snippet support
+		vim.g.coc_user_snippets = vim.fn.expand("~/.config/nvim/snippets")
+
+		-- Signature help (popup)
+		vim.cmd('autocmd CursorHold,CursorHoldI * silent! CocAction("showSignatureHelp")')
+
+		-- Enable some coc extensions
+		vim.g.coc_global_extensions = {
+			"coc-snippets", -- Snippets support
+			"coc-pyright", -- Python LSP
+			"coc-tsserver", -- JavaScript/TypeScript LSP
+			"coc-json", -- JSON LSP
+			"coc-html", -- HTML LSP
+			"coc-css", -- CSS LSP
+			"coc-lua", -- Lua LSP
+			"coc-diagnostic", -- Diagnostics
+			"coc-syntax", -- Syntax highlighting
+			"coc-eslint", -- ESLint (null-ls replacement for JS/TS)
+			"coc-prettier", -- Prettier formatting
+            "coc-java",
+		}
+
+		--------------
+		-- KEYBINDS --
+		--------------
+		local keymap = vim.keymap
+		local opts = { noremap = true, silent = true, desc = "" }
+        vim.opt.signcolumn = 'yes'
+
+		-- LSP actions
+		opts.desc = "Jump to previous diagnostics"
+		keymap.set("n", "[d", "<Plug>(coc-diagnostic-prev)", opts)
+
+		opts.desc = "Jump to next diagnostics"
+		keymap.set("n", "]d", "<Plug>(coc-diagnostic-next)", opts)
+
+		opts.desc = "Show LSP references"
+		keymap.set("n", "gR", "<cmd>CocAction('editor.action.showReferences')<CR>", opts)
+
+		opts.desc = "Go to declaration"
+		keymap.set("n", "gD", ":CocCommand editor.action.goToDeclaration<CR>", opts)
+
+		opts.desc = "Show LSP definitions"
+		keymap.set("n", "gd", "<cmd>CocAction('editor.action.goToDefinition')<CR>", opts)
+
+		opts.desc = "Show LSP implementations"
+		keymap.set("n", "gi", "<cmd>CocAction('editor.action.goToImplementation')<CR>", opts)
+
+		opts.desc = "Show LSP type definitions"
+		keymap.set("n", "gt", "<cmd>CocAction('editor.action.goToTypeDefinition')<CR>", opts)
+
+		opts.desc = "See available code actions"
+		keymap.set({ "n", "v" }, "<leader>ca", "<cmd>CocAction('editor.action.quickFix')<CR>", opts)
+
+		opts.desc = "Format current file"
+		keymap.set("n", "<leader>gf", "<cmd>CocCommand editor.action.formatDocument<CR>", opts)
+
+		opts.desc = "Smart rename"
+		keymap.set("n", "<leader>n", "<cmd>CocCommand editor.action.rename<CR>", opts)
+
+		opts.desc = "Show buffer diagnostics"
+		keymap.set("n", "ga", "<cmd>CocList diagnostics<CR>", opts)
+
+		opts.desc = "Show line diagnostics"
+		keymap.set("n", "gA", "<cmd>CocAction('diagnostic.showLineDiagnostics')<CR>", opts)
+
+		opts.desc = "Go to previous diagnostic"
+		keymap.set("n", "[d", "<cmd>CocAction('diagnostic.gotoPrev')<CR>", opts)
+
+		opts.desc = "Go to next diagnostic"
+		keymap.set("n", "]d", "<cmd>CocAction('diagnostic.gotoNext')<CR>", opts)
+
+		opts.desc = "Show documentation for what is under cursor"
+		keymap.set("n", "<leader>k", "<cmd>CocAction('editor.action.showHover')<CR>", opts)
+
+		opts.desc = "Restart LSP"
+		keymap.set("n", "<leader>rs", "<cmd>CocRestart<CR>", opts)
+
+		-- CMP replacement
+
+		-- Mapping for next suggestion
+		opts.desc = "Next suggestion"
+		vim.keymap.set("i", "<C-j>", "<Cmd>coc#select_next()<CR>", opts)
+
+		-- Mapping for previous suggestion
+		opts.desc = "Previous suggestion"
+		vim.keymap.set("i", "<C-k>", "<Cmd>coc#select_prev()<CR>", opts)
+
+		-- Mapping for scrolling documentation forward
+		opts.desc = "Scroll docs forward"
+		vim.keymap.set("i", "<C-S-j>", "<Cmd>CocScrollFloat -4<CR>", opts)
+
+		-- Mapping for scrolling documentation backward
+		opts.desc = "Scroll docs back"
+		vim.keymap.set("i", "<C-S-k>", "<Cmd>CocScrollFloat 4<CR>", opts)
+
+		-- Mapping to show completion suggestions
+		opts.desc = "Show completion suggestions"
+		vim.keymap.set("i", "<C-Space>", "<C-r>=coc#refresh()<CR>", opts)
+
+		-- Mapping for Tab key (with snippet expansion and fallback)
+		opts.desc = "Complete or expand snippet"
+        keymap.set('i', '<TAB>', 'coc#pum#visible() ? coc#pum#next(1) : v:lua.check_back_space() ? "<TAB>" : coc#refresh()', opts)
+
+		-- Mapping for jumping to the next placeholder in snippets
+		opts.desc = "Jump to next placeholder in snippet"
+		vim.keymap.set("i", "<C-p>", function()
+			if vim.fn["coc#snippets#jumpable"]() == 1 then
+				vim.fnkeys(vim.api.nvim_replace_termcodes("<Tab>", true, true, true), "n")
+			end
+		end, opts)
+
+		-- Mapping for jumping to the previous placeholder in snippets
+		opts.desc = "Jump to previous placeholder in snippet"
+		vim.keymap.set("i", "<C-S-p>", function()
+			if vim.fn["coc#snippets#jumpable"]() == 1 then
+				vim.fn["coc#snippets#jump"](-1)
+			else
+				vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-P>", true, true, true), "n")
+			end
+		end, opts)
+	end,
+}

nvim-coc/lua/plugins/lsp/fidget.lua

@@ -0,0 +1,14 @@
+return {
+    -- notifications && lsp progress msgs
+    "j-hui/fidget.nvim",
+    config = function()
+        require("fidget").setup({
+            notification = {
+                window = {
+                    winblend = 0,
+                }
+            }
+        })
+    end
+
+}

nvim-coc/lua/plugins/lsp/treesitter.lua

@@ -0,0 +1,29 @@
+return {
+	-- syntax highlighting
+	"nvim-treesitter/nvim-treesitter",
+	build = ":TSUpdate",
+	config = function()
+		require("nvim-treesitter.configs").setup({
+			ensure_installed = {
+				"bash",
+				"c",
+				"cpp",
+				"hyprlang",
+                "java",
+				"javascript",
+				"json",
+				"lua",
+				"python",
+                "rust",
+				"typescript",
+                "verilog"
+			},
+			sync_install = false,
+
+			highlight = {
+				enable = true,
+                disable = { "tex" }
+			},
+		})
+	end,
+}