public virtual IErrorNode AddErrorNode(IToken badToken)
{
ErrorNodeImpl t = new ErrorNodeImpl(badToken);
AddChild(t);
t.parent = this;
return(t);
}
public IEnumerable <Workspaces.Range> GetErrors(Workspaces.Range range, Document doc)
{
ParsingResults pd = ParsingResultsFactory.Create(doc);
var workspace = doc.Workspace;
if (pd.ParseTree == null)
{
Compile(workspace);
}
List <Range> result = new List <Workspaces.Range>();
foreach (IParseTree p in pd.Errors)
{
ErrorNodeImpl q = p as Antlr4.Runtime.Tree.ErrorNodeImpl;
if (q == null)
{
continue;
}
if (q.Payload == null)
{
continue;
}
int y = q.Payload.StartIndex;
int z = q.Payload.StopIndex;
if (y < 0)
{
y = 0;
}
if (z < 0)
{
z = 0;
}
int a = y;
int b = z + 1;
int start_token_start = a;
int end_token_end = b;
if (start_token_start > range.End.Value)
{
continue;
}
if (end_token_end < range.Start.Value)
{
continue;
}
Range r = new Workspaces.Range(new Workspaces.Index(a), new Workspaces.Index(b));
result.Add(r);
}
return(result);
}
private bool CheckForErrorToken(string plain_ole_command, calculatorParser parser, IParseTree tree, IParseTree[] all_nodes)
{
IEnumerable <IParseTree> eni_nodes_iterator = all_nodes.Where((IParseTree n) =>
{
ErrorNodeImpl nn = n as ErrorNodeImpl;
return(nn != null);
});
IParseTree[] all_eni_nodes_iterator = eni_nodes_iterator.ToArray();
if (!all_eni_nodes_iterator.Any())
{
return(false);
}
// For now, report nothing if there isn't an equal.
foreach (var en in all_eni_nodes_iterator)
{
ErrorNodeImpl eni = en as ErrorNodeImpl;
if (eni != null)
{
if (eni.GetText() == "<missing '='>")
{
return(false);
}
}
}
var enn = all_eni_nodes_iterator.First() as ErrorNodeImpl;
if (enn == null)
{
return(false);
}
int ErrorPos = enn.Payload.StartIndex;
if (ErrorPos < 0)
{
ErrorPos = 0;
}
string result = "Extraneous input.";
Results[Results.Count - 1].result.Text = BuildFormattedCommandAndResult(plain_ole_command, ErrorPos, result);
NotifyPropertyChanged("Results");
return(true);
}
/// <summary>
/// Selects the source source text corresponding to the provided error node.
/// </summary>
/// <param name="codeEditor">The code editor.</param>
/// <param name="node">The error node.</param>
/// <exception cref="T:System.ArgumentNullException"><paramref name="codeEditor"/> is <see langword="null"/></exception>
public static void SelectSource([NotNull] this FastColoredTextBox codeEditor, ErrorNodeImpl node)
{
if (codeEditor is null)
{
throw new ArgumentNullException(nameof(codeEditor));
}
if (node == null)
{
return;
}
var startingPlace = new Place(node.Symbol.Column, node.Symbol.Line - 1);
Place stoppingPlace;
if (node.Symbol.StartIndex != -1)
{
var spot = node.Symbol.GetEndPlace();
stoppingPlace = new Place(spot.Position + 1, spot.Line - 1);
}
else
{
stoppingPlace = startingPlace;
}
codeEditor.Selection = new Range(codeEditor, startingPlace, stoppingPlace);
codeEditor.DoCaretVisible();
}
