public override GrammarParseResult VisitStatement(StatementContext context)
{
if (context == null)
{
return(GrammarParseResult.Unsuccessful(context.GetText()));
}
Debug.WriteLine($"VisitStatement \"{context.GetText()}\"");
string labelStr = context.label()?.STRING()?.GetText();
//Successful if any of the 3 possible productions are successful
var expression = context.expression();
if (expression != null)
{
GrammarParseResult result = _expressionVisitor.VisitExpression(expression);
if (result.IsSuccessful)
{
result.Label = labelStr;
return(result);
}
}
var command = context.command();
if (command != null)
{
GrammarParseResult result = VisitCommand(command);
if (result.IsSuccessful)
{
result.Label = labelStr;
return(result);
}
}
var action = context.action();
if (action != null)
{
GrammarParseResult result = VisitAction(action);
if (result.IsSuccessful)
{
result.Label = labelStr;
return(result);
}
}
return(GrammarParseResult.Unsuccessful(context.GetText()));
}