private void Run(object sender, RoutedEventArgs e)
{
inputstr = input.Text;
List <Token> tokens = WordAnalyser.Analyse(inputstr).Tokens;
if (tokens == null)
{
MessageBox.Show("没有文本");
return;
}
foreach (Token token in tokens)
{
output.Text += $"<{token.StrValue},{token.TokenType}>\n";
}
foreach (RowTabel item in RowAnalyser.run(inputstr))
{
output.Text += $"<{item.Name},{item.Id},{item.Row},{item.Num}>\n";
}
}
/// <summary>
/// 调用词法分析程序
/// </summary>
/// <returns>词法分析的结果</returns>
public TokenResult WordAnalyse()
{
return(WordAnalyser.Analyse(this.SourceCode));
}
/**
* 用于自动补全
*
*/
void textEditor_TextArea_TextEntered(object sender, TextCompositionEventArgs e)
{
variableList = WordAnalyser.GetAllVariables(input.Text);
completionWindow = new CompletionWindow(input.TextArea);
IList <ICompletionData> data = completionWindow.CompletionList.CompletionData;
switch (e.Text)
{
case ".":
{
data.Add(new MyCompletionData("自动补全"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
break;
}
case "i":
{
var varList = from variables in variableList
where variables.StartsWith("i")
select variables;
foreach (String v in varList)
{
data.Add(new MyCompletionData(v));
}
data.Add(new MyCompletionData("int"));
data.Add(new MyCompletionData("if"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
break;
}
case "r":
{
var varList = from variables in variableList
where variables.StartsWith("r")
select variables;
foreach (String v in varList)
{
data.Add(new MyCompletionData(v));
}
data.Add(new MyCompletionData("real"));
data.Add(new MyCompletionData("read"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
break;
}
case "w":
{
var varList = from variables in variableList
where variables.StartsWith("w")
select variables;
foreach (String v in varList)
{
data.Add(new MyCompletionData(v));
}
data.Add(new MyCompletionData("write"));
data.Add(new MyCompletionData("while"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
break;
}
case "e":
{
var varList = from variables in variableList
where variables.StartsWith("e")
select variables;
foreach (String v in varList)
{
data.Add(new MyCompletionData(v));
}
data.Add(new MyCompletionData("else"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
break;
}
default:
{
var varList = from variables in variableList
where variables.StartsWith(e.Text)
select variables;
if (varList.Any())
{
foreach (String v in varList)
{
data.Add(new MyCompletionData(v));
}
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
}
break;
}
}
}
public static List <RowTabel> run(string input)
{
int line = 1; //第几行
int n = 1; //第几个
int count = 0; //总的表下标
List <RowTabel> rowTabel = new List <RowTabel>();
//总的表
TokenResult result = WordAnalyser.Analyse(input);
//每一行字符串
System.IO.StringReader sr = new System.IO.StringReader(input);
string str = sr.ReadLine();
//每一行的表
TokenResult temp = WordAnalyser.Analyse(str);
for (; ;)
{
//每一个单词逐步对应
for (int i = 0; i < temp.Tokens.Count; i++)
{
//如果相等，直接打印
if (temp.Tokens[i].StrValue == result.Tokens[count].StrValue)
{
rowTabel.Add(new RowTabel()
{
Name = result.Tokens[count].StrValue,
Id = result.Tokens[count].TokenType,
Row = line,
Num = n
});
n++;
count++;
}
//如果不相等
//1、说明表中下一个单词是多行的
else if (result.Tokens[count].StrValue.IndexOf(temp.Tokens[i].StrValue) == 0)
{
//获取多行单词的行数
Console.WriteLine(result.Tokens[count].StrValue + " " + line + " " + n);
int t = huanHangCiShu(result.Tokens[count].StrValue);
while (t > 1)
{
str = sr.ReadLine();
line++;
t--;
}
count++;
break;
}
//2、上一个多行单词“残留”在本行
//①只有该残留的单词
else if (temp.Tokens.Count == 1)
{
break;
}
else
//②残留单词后方还有单词
{
n++;
}
}
//重新获取下一行的数据
str = sr.ReadLine();
if (str == null)
{
break;
}
temp = WordAnalyser.Analyse(str);
line++;
n = 1;
//直到读完才退出
if (count == result.Tokens.Count)
{
break;
}
}
return(rowTabel);
}
