private bool runParser()
{
bool ret = true;
Parser parser = new Parser(wordList);
Hashtable result = parser.Run();
//accept
if ((int)result[Message.KEY] == Message.SUCCESS)
{
ret = true;
wordList = (List <Pascal>)result[Message.VALUE];
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = (string)result[Message.MSG];
info.ShowDialog();
linkLabelSemantic.Text = Semantic.outputPath;
linkLabelSemantic.Visible = true;
}
else //error
{
ret = false;
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = (string)result[Message.MSG];
info.ShowDialog();
}
labelParserResult.Text = (string)result[Message.MSG];
labelParserResult.Visible = true;
return(ret);
}
private void buttonCompiling_Click(object sender, EventArgs e)
{
//文本框为空
if (richTextBoxMain.Text.Length == 0)
{
//空代码 提示输入
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = "输入代码不能为空";
info.ShowDialog();
return;
}
saveCode(saveFilePath);
if (!runLexical())
{
//词法分析失败或存在错误词法
return;
}
if (!runParser())
{
//语法错误
return;
}
}
/// <summary>
/// 词法分析
/// </summary>
private bool runLexical()
{
Lexical lexical = new Lexical(saveFilePath);
Hashtable result = lexical.Run();
bool ret = true;
if ((int)result[Message.KEY] == Message.SUCCESS)
{
ret = true;
wordList = (List <Pascal>)result[Message.VALUE];
if (wordList[wordList.Count - 1].Type != Type.FINISH)
{
ret = false;
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = "词法分析完成，未识别合法结束符！部分词法分析结果下：";
info.linkLabel.Text = Lexical.outputPath;
info.linkLabel.Visible = true;
info.ShowDialog();
linkLabelLexResult.Text = Lexical.outputPath;
linkLabelLexResult.Visible = true;
}
else
{
foreach (Pascal pascal in wordList)
{
if (pascal.Type < 0)
{
ret = false;
break;
}
}
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = ret ? "词法分析完成，结果在文件："
: "词法分析完成，存在词法错误，在文件中查看：";
info.linkLabel.Text = Lexical.outputPath;
info.linkLabel.Visible = true;
info.ShowDialog();
linkLabelLexResult.Text = Lexical.outputPath;
linkLabelLexResult.Visible = true;
}
}
else
{
ret = false;
wordList = null;
MainInfoForm info = new MainInfoForm();
info.labelInfo.Text = "词法分析失败！";
info.ShowDialog();
}
return(ret);
}
