static void Main(string[] args)
{
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start(); //开始监视代码运行时间
ACS_Parser.VariableList vars = new ACS_Parser.VariableList();
ACS_Parser.Parser p = new ACS_Parser.Parser(ACS_Lexer.Lexer._Main());
p.Start();
// BNF.Match(ACS_Lexer.Lexer._Main());
watch.Stop();
TimeSpan timespan = watch.Elapsed;
Console.WriteLine("-----------------------");
Console.WriteLine("执行时间：{0}(毫秒)", timespan.TotalMilliseconds);
Console.ReadKey();
}