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);
}
}
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);
}
/// <summary>
/// Visit a parse tree produced by <see cref="SpeakParser.chat"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitChat([NotNull] SpeakParser.ChatContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="SpeakParser.chat"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitChat([NotNull] SpeakParser.ChatContext context)
{
}
public override void ExitChat([NotNull] SpeakParser.ChatContext context)
{
line += "ExitChat: " + context.GetText() + "\r\n";
}
