public StylesheetTask Process(StylesheetTask input)
{
QLSParser parser = SetupParser(input.StylesheetText);
var visitor = new ParseTreeVisitor();
input.Ast = visitor.Visit(parser.stylesheet());
return(input);
}
public ParsingTask Process(ParsingTask input)
{
if (string.IsNullOrEmpty(input.ParsingInput))
{
input.Errors.Add("Input string is empty");
_canContinue = false;
return(input);
}
QLParser parser = SetupParser(input.ParsingInput);
var errorListener = new ErrorListener();
parser.AddErrorListener(errorListener);
var visitor = new ParseTreeVisitor(new OperatorFactory(new ValueFactory()));
input.Ast = visitor.Visit(parser.form());
errorListener.Errors.ForEach(x => input.Errors.Add(x));
_canContinue = !errorListener.Errors.Any();
return(input);
}
/// <summary>Accepts a <paramref name="visitor"/> which can be used to generate output from the parse tree.</summary> /// <param name="visitor">The visitor used to traverse the parse tree.</param> /// <exception cref="System.NullReferenceException">Thrown when <paramref name="visitor"/> is <c>null</c>.</exception> public override void Accept(ParseTreeVisitor visitor) => visitor.Visit(this);
/// <summary>Accepts a <paramref name="visitor"/> which can be used to generate output from the parse tree.</summary> /// <param name="visitor">The visitor used to traverse the parse tree.</param> /// <exception cref="System.NullReferenceException">Thrown when <paramref name="visitor"/> is <c>null</c>.</exception> public abstract void Accept(ParseTreeVisitor visitor);
/// <summary>Accepts a <paramref name="visitor"/> which can be used to generate output from the parse tree.</summary>
/// <typeparam name="TResult">The result type that the <paramref name="visitor"/> generates.</typeparam>
/// <param name="visitor">The visitor used to traverse the parse tree.</param>
/// <returns>Returns the result generated by the <paramref name="visitor"/>.</returns>
/// <exception cref="System.NullReferenceException">Thrown when <paramref name="visitor"/> is <c>null</c>.</exception>
public TResult Accept <TResult>(ParseTreeVisitor <TResult> visitor)
{
Accept((ParseTreeVisitor)visitor);
return(visitor.GetResult());
}
