private static void Main(string[] args)
{
try
{
string input = "";
StringBuilder text = new StringBuilder();
Console.WriteLine("Input the chat.");
// to type the EOF character and end the input: use CTRL+D, then press <enter>
while ((input = Console.ReadLine()) != "\u0004")
{
text.AppendLine(input);
}
AntlrInputStream inputStream = new AntlrInputStream(text.ToString());
SpeakLexer speakLexer = new SpeakLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
SpeakParser speakParser = new SpeakParser(commonTokenStream);
SpeakParser.ChatContext chatContext = speakParser.chat();
SpeakVisitor visitor = new SpeakVisitor();
visitor.Visit(chatContext);
foreach (var line in visitor.Lines)
{
Console.WriteLine("{0} has said {1}", line.Person, line.Text);
}
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex);
}
}
private SpeakParser Setup(string text)
{
AntlrInputStream inputStream = new AntlrInputStream(text);
SpeakLexer speakLexer = new SpeakLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
SpeakParser speakParser = new SpeakParser(commonTokenStream);
return(speakParser);
}
public void TestWrongLine()
{
SpeakParser parser = Setup("john sayan \"hello\" \n");
var context = parser.line();
Assert.IsInstanceOfType(context, typeof(SpeakParser.LineContext));
Assert.AreEqual("john", context.name().GetText());
Assert.IsNull(context.SAYS());
Assert.AreEqual("johnsayan\"hello\"\n", context.GetText());
}
public void TestLine()
{
SpeakParser parser = Setup("john says \"hello\" \n");
SpeakParser.LineContext context = parser.line();
SpeakVisitor visitor = new SpeakVisitor();
SpeakLine line = (SpeakLine)visitor.VisitLine(context);
Assert.AreEqual("john", line.Person);
Assert.AreEqual("hello", line.Text);
}
public void TestChat()
{
SpeakParser parser = Setup("john says \"hello\" \n michael says \"world\" \n");
SpeakParser.ChatContext context = parser.chat();
SpeakVisitor visitor = new SpeakVisitor();
visitor.Visit(context);
Assert.AreEqual(2, visitor.Lines.Count);
}
static void Main(string[] args)
{
AntlrInputStream inputStream = new AntlrInputStream(text.ToString());
Hemo speakLexer = new Hemo(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
SpeakParser speakParser = new SpeakParser(commonTokenStream);
SpeakParser.ChatContext chatContext = speakParser.chat();
SpeakVisitor visitor = new SpeakVisitor();
visitor.Visit(chatContext);
}
private void button1_Click(object sender, EventArgs e)
{
string inputString = textBox1.Text;
ICharStream inputStream = new AntlrInputStream(inputString.ToString());
ITokenSource speakLexer = new SpeakLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
SpeakParser speakParser = new SpeakParser(commonTokenStream);
speakParser.BuildParseTree = true;
IParseTree tree = speakParser.chat();
ParseTreeWalker walker = new ParseTreeWalker();
MyListener listener = new MyListener();
walker.Walk(listener, tree);
output = listener.line;
textBox1.Text = output;
}
private void button1_Click(object sender, EventArgs e)
{
string inputString = textBox1.Text;
ICharStream inputStream = new AntlrInputStream(inputString.ToString());
ITokenSource speakLexer = new SpeakLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(speakLexer);
SpeakParser speakParser = new SpeakParser(commonTokenStream);
speakParser.BuildParseTree = true;
IParseTree tree = speakParser.chat();
textBox1.Text = tree.ToStringTree();
var treeNodeDrawable = new ASTTreeNode(tree);
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
pictureBox1.Image = null;
}
Image image = new VisualAST(treeNodeDrawable).Draw();
pictureBox1.Image = image;
}
