public void Error(Message msg)
{
GrammarSyntaxMessage syntaxMessage = msg as GrammarSyntaxMessage;
if (syntaxMessage != null)
{
IToken token = syntaxMessage.offendingToken;
if (token == null)
{
return;
}
AntlrParserTokenStream stream = syntaxMessage.exception.Input as AntlrParserTokenStream;
if (stream == null)
{
return;
}
var parser = stream.Parser;
if (parser == null)
{
return;
}
Span span = Span.FromBounds(token.StartIndex, token.StopIndex + 1);
ParseErrorEventArgs e = new ParseErrorEventArgs(syntaxMessage.ToString(), span);
parser.OnParseError(e);
return;
}
}
protected override void ReParseImpl()
{
var outputWindow = OutputWindowService.TryGetPane(PredefinedOutputWindowPanes.TvlIntellisense);
Stopwatch stopwatch = Stopwatch.StartNew();
var snapshot = TextBuffer.CurrentSnapshot;
var input = new SnapshotCharStream(snapshot, new Span(0, snapshot.Length));
var lexer = new AntlrErrorProvidingLexer(input);
var tokens = new AntlrParserTokenStream(lexer);
var parser = new AntlrErrorProvidingParser(tokens);
lexer.Parser = parser;
tokens.Parser = parser;
List <ParseErrorEventArgs> errors = new List <ParseErrorEventArgs>();
parser.ParseError += (sender, e) =>
{
errors.Add(e);
string message = e.Message;
if (message.Length > 100)
{
message = message.Substring(0, 100) + " ...";
}
if (outputWindow != null)
{
outputWindow.WriteLine(message);
}
if (errors.Count > 100)
{
throw new OperationCanceledException();
}
};
AntlrTool.ToolPathRoot = typeof(AntlrTool).Assembly.Location;
ErrorManager.SetErrorListener(new AntlrErrorProvidingParser.ErrorListener());
Grammar g = new Grammar();
var result = parser.grammar_(g);
OnParseComplete(new AntlrParseResultEventArgs(snapshot, errors, stopwatch.Elapsed, tokens.GetTokens(), result));
}
protected override void ReParseImpl()
{
var outputWindow = OutputWindowService.TryGetPane(PredefinedOutputWindowPanes.TvlIntellisense);
Stopwatch stopwatch = Stopwatch.StartNew();
var snapshot = TextBuffer.CurrentSnapshot;
var input = new SnapshotCharStream(snapshot, new Span(0, snapshot.Length));
var lexer = new AntlrErrorProvidingLexer(input);
var tokens = new AntlrParserTokenStream(lexer);
var parser = new AntlrErrorProvidingParser(tokens);
lexer.Parser = parser;
tokens.Parser = parser;
List<ParseErrorEventArgs> errors = new List<ParseErrorEventArgs>();
parser.ParseError += (sender, e) =>
{
errors.Add(e);
string message = e.Message;
if (message.Length > 100)
message = message.Substring(0, 100) + " ...";
if (outputWindow != null)
outputWindow.WriteLine(message);
if (errors.Count > 100)
throw new OperationCanceledException();
};
AntlrTool.ToolPathRoot = typeof(AntlrTool).Assembly.Location;
ErrorManager.SetErrorListener(new AntlrErrorProvidingParser.ErrorListener());
Grammar g = new Grammar();
var result = parser.grammar_(g);
OnParseComplete(new AntlrParseResultEventArgs(snapshot, errors, stopwatch.Elapsed, tokens.GetTokens(), result));
}
