override public void SyntaxError(
TextWriter output,
IRecognizer recognizer,
IToken offendingSymbol,
int line,
int charPositionInLine,
string msg,
RecognitionException e
)
{
StringBuilder sb = new StringBuilder();
sb.Append($"Syntax error at line {line}:{charPositionInLine}\n");
var expected = e.GetExpectedTokens()
.ToIntegerList()
.Select((tok, index) => {
var str = recognizer.Vocabulary.GetLiteralName(tok);
if (str == null)
{
return(recognizer.Vocabulary.GetDisplayName(tok));
}
return(str);
}).ToList();
sb.Append("Expected one of: " + String.Join(", ", expected));
throw new ParseFailure(sb.ToString());
}
private static bool CheckForInputMismatchWithNoExpected(RecognitionException e)
{
if (!(e is InputMismatchException))
{
return false;
}
var expectedTokens = e.GetExpectedTokens().ToList();
if (expectedTokens.Count > 1)
{
return false;
}
return expectedTokens.Count == 1 && expectedTokens[0] == -1;
}
public void SyntaxError([NotNull] IRecognizer recognizer, [Nullable] IToken offendingSymbol, int line, int charPositionInLine, [NotNull] string msg, [Nullable] RecognitionException e)
{
if (e != null)
{
var expected_tokens = e.GetExpectedTokens();
if ((e.OffendingToken.Type == CloacaLexer.Eof ||
(expected_tokens.Count > 0 && (expected_tokens.Contains(CloacaParser.INDENT) || expected_tokens.Contains(CloacaParser.NEWLINE)))))
{
// Eat the error if it's just complaining that it expected more text in the REPL.
ExpectedMoreText = true;
return;
}
}
else if (offendingSymbol.Text == "<EOF>" && charPositionInLine == 0)
{
// Eat the error if it's just complaining that it expected more text in the REPL.
ExpectedMoreText = true;
return;
}
Errors.Add("line " + line + ":" + charPositionInLine + " " + msg);
}