v: show the number of processed bytes and lines for V source code with -stats

vlib/v/parser/parser.v

@@ -272,6 +272,8 @@ pub fn (mut p Parser) parse() ast.File {
 	return ast.File{
 		path: p.file_name
 		path_base: p.file_base
+		lines: p.scanner.line_nr
+		bytes: p.scanner.text.len
 		mod: module_decl
 		imports: p.ast_imports
 		imported_symbols: p.imported_symbols