private bool syntaxAalysis(LexicalAnalysis la)
{
int tokennum = la.tokens.Count;
if (tokennum != 0)
{
ArrayList list1 = new ArrayList();
string[] string1 = new string[tokennum + 1];
string1[tokennum] = "";
for (int a = 0; a < tokennum; a++)
{
list1 = (ArrayList)la.tokens[a];
string1[a] = list1[0].ToString();
}
analysis.token = string1;
ArrayList list2 = new ArrayList();
string[] string2 = new string[tokennum + 1];
string2[tokennum] = "";
for (int a = 0; a < tokennum; a++)
{
list2 = (ArrayList)la.tokens[a];
string2[a] = list2[1].ToString();
}
analysis.format = string2;
ArrayList list3 = new ArrayList();
string[] string3 = new string[tokennum + 1];
string3[tokennum] = "";
for (int a = 0; a < tokennum; a++)
{
list3 = (ArrayList)la.tokens[a];
string3[a] = list3[2].ToString();
}
analysis.line = string3;
if (!analysis.Scan())//出现错误再输出框进行报错
{
return(false);
}
else
{
return(true);
}
}
return(false);
}
//解释翻译
private async void Button_Click_3(object sender, RoutedEventArgs e)
{
analysis.clear();
//启动多线程
MenuItem b = e.Source as MenuItem;
b.IsEnabled = false;
stopBtn.IsEnabled = true;
string myText = textEditor.Document.Text;
if (myText == "")
{
/*会出现提示信息*/
b.IsEnabled = true;
stopBtn.IsEnabled = false;
MessageBox.Show("请输入内容");
}
else
{
LexicalAnalysis la = new LexicalAnalysis();
la.LexAnalyze(myText);
if (la.errInfo.Count != 0)
{
OutputView.Document.Blocks.Add(new Paragraph(new Run(DateTime.Now.ToString("yyyy/MM/dd/HH:mm:ss"))));
foreach (Error s in la.errInfo)
{
OutputView.Document.Blocks.Add(new Paragraph(new Run("第" + s.line.ToString() + "行：" + s.info)));
}
ErrorRedInLine(lineNumber, la.errInfo);
b.IsEnabled = true;
stopBtn.IsEnabled = false;
}
else
{
int tokennum = la.tokens.Count;
if (tokennum != 0)
{
bool status = syntaxAalysis(la);
//ErrorRedInLine(line);
if (status == true)
{
TaskCompletionSource <object> tc = new TaskCompletionSource <object>();
// 新线程
Thread t = new Thread(() =>
{
RunWindow win = new RunWindow(analysis);
win.Closed += (d, k) =>
{
// 当窗口关闭后马上结束消息循环
System.Windows.Threading.Dispatcher.ExitAllFrames();
};
win.Show();
// Run 方法必须调用，否则窗口一打开就会关闭
// 因为没有启动消息循环
System.Windows.Threading.Dispatcher.Run();
// 这句话是必须的，设置Task的运算结果
// 但由于此处不需要结果，故用null
tc.SetResult(null);
});
t.SetApartmentState(ApartmentState.STA);
t.Start();
thread = t;
// 新线程启动后，将Task实例返回
// 以便支持 await 操作符
await tc.Task;//可异步等待
b.IsEnabled = true;
stopBtn.IsEnabled = false;
//MessageBox.Show("结束了");
}
else//如果没有通过语法和语义分析将会报错
{
//发现错误弹窗
MessageBox.Show("发现错误，请查看下方错误提示窗口!", "错误！", MessageBoxButton.OK, MessageBoxImage.Error);
//this.OutputView.Document.Blocks.Clear();
this.OutputView.Document.Blocks.Add(new Paragraph(new Run(DateTime.Now.ToString("yyyy/MM/dd/HH:mm:ss"))));
foreach (Error s in analysis.errInfo)
{
this.OutputView.Document.Blocks.Add(new Paragraph(new Run(s.info + "\t行号:" + s.line)));
}
ErrorRedInLine(lineNumber, analysis.errInfo);
b.IsEnabled = true;
stopBtn.IsEnabled = false;
}
}
}
}
analysis.clear();
analysis.errInfo.Clear();
}