Add pascal mode formatter

lua/pascal_mode.lua

@@ -0,0 +1,41 @@
+-- Lua vim-dummy variable
+if vim == nil then
+	local vim = {}
+end
+
+-- @name setup_pascal
+-- @param
+-- @short Verify installation of pascal tools or install them.
+local function setup_pascal()
+	local check_ptop = { os.execute("which ptop") }
+	vim.cmd("set autoread")
+
+	-- if return value is 1, get ptop
+	if check_ptop == 1 then
+		os.execute("wget -o ~/.local/bin/ptop https://www.nickr.eu/data/ptop64")
+		os.execute("chmod +x ~/.local/bin/ptop")
+	end
+end
+
+-- Setup and verify pascal tools when opening a pascal file
+vim.api.nvim_create_autocmd({ "BufEnter" }, {
+	pattern = { "*.pas" },
+	callback = setup_pascal,
+})
+
+-- @name auto_format
+-- @param
+-- @short The format function for pascal.
+local function auto_format()
+	local write_cmd = "ptop -c ~/.config/nvim/ptop.conf "
+		.. vim.api.nvim_buf_get_name(0)
+		.. " "
+		.. vim.api.nvim_buf_get_name(0)
+	os.execute(write_cmd)
+end
+
+-- Add formatter command
+vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+	pattern = { "*.pas" },
+	callback = auto_format,
+})