//语法
private void Button3_Click(object sender, EventArgs e)
{
lexical = new Lexical.Lexical();
ArrayList source = lexical.ReadFromScreen(richTextBox1.Text);
lexical.GetToken(source);
if (lexical == null) //如果为空，退出
{
return;
}
grammar = new Grammar.Grammar();
grammar.Init();
ArrayList infos = new ArrayList(); //语法推导过程
if (lexical.Errors.Count == 0)
{
infos = grammar.SyntaxAnalysis(lexical.Coding, lexical.Errors);
}
richTextBox3.Text = "";
foreach (string info in infos)
{
richTextBox3.Text = richTextBox3.Text + info + "\r\n";
}
ArrayList errorInfos = lexical.ErrorInfo(); //推导过程中的错误
foreach (string error in errorInfos)
{
richTextBox3.Text = richTextBox3.Text + error + "\r\n";
}
tree = grammar.treeView;
}
//语义
private void Button2_Click(object sender, EventArgs e)
{
lexical = new Lexical.Lexical(); //执行语义前，先执行词法和语法部分
ArrayList source = lexical.ReadFromScreen(richTextBox1.Text);
lexical.GetToken(source);
Semantics.IdentifierAnalysis identifier = new Semantics.IdentifierAnalysis(lexical.Coding, lexical.Errors);
Semantics.MidCode midCode = new Semantics.MidCode(lexical.Coding, lexical.Errors);
identifier.Init();
ArrayList VarSet = identifier.VarSet; //初始化变量、数组、函数、多维数组集合
ArrayList ListSet = identifier.ListSet;
ArrayList FunctionSet = identifier.FunctionSet;
ArrayList ArraySet = identifier.ArraySet;
if (lexical.Errors.Count == 0)
{
midCode.Init(VarSet, ListSet, FunctionSet, ArraySet);
}
ArrayList Output = midCode.OutputInfo;
richTextBox3.Text = "";
foreach (string info in Output)
{
richTextBox3.Text = richTextBox3.Text + info + "\r\n";
}
ArrayList errorInfos = lexical.ErrorInfo(); //推导过程中的错误
foreach (string error in errorInfos)
{
richTextBox3.Text = richTextBox3.Text + error + "\r\n";
}
}
//词法
private void Button1_Click(object sender, EventArgs e)
{
if (richTextBox1.Text == "")
{
return;
}
lexical = new Lexical.Lexical();
ArrayList source = lexical.ReadFromScreen(richTextBox1.Text); //源文件字符数组
lexical.GetToken(source);
string[] infos = lexical.SaveToken();
richTextBox3.Text = "";
foreach (string info in infos)
{
richTextBox3.Text = richTextBox3.Text + info + "\r\n";
}
ArrayList errorInfos = lexical.ErrorInfo(); //推导过程中的错误
foreach (string error in errorInfos)
{
richTextBox3.Text = richTextBox3.Text + error + "\r\n";
}
}