public void RegisterToken(SyntaxToken token)
{
if (_KnownTokens.TryGetValue(token.LineNumber, out var lineCache))
{
lineCache[token.ColumnPosition] = token.GetHashCode();
}
else
{
_KnownTokens[token.LineNumber] = new Dictionary <int, int> {
{ token.ColumnPosition, token.GetHashCode() }
}
};
}
/// <summary>
/// Because <paramref name="destination"/> is immutable, any changes (such as gaining a parent) a new version to be created.
/// Adding an annotation allows tracking this node, since it will stay with it in any reincarnations.
/// </summary>
public SyntaxToken WithDelegateToParentAnnotation(SyntaxToken lastSourceToken, SyntaxToken destination)
{
var identifier = lastSourceToken.GetHashCode() + "|" + destination.GetHashCode();
_trailingTriviaConversionsBySource[lastSourceToken] = identifier;
destination = destination.WithAdditionalAnnotations(new SyntaxAnnotation(TrailingTriviaConversionKind, identifier));
_annotationData.Add(identifier, lastSourceToken);
return destination;
}
public override int GetHashCode()
{
var hashCode = -1113933263;
hashCode = hashCode * -1521134295 + SourceLine.GetHashCode();
hashCode = hashCode * -1521134295 + TargetLine.GetHashCode();
hashCode = hashCode * -1521134295 + SourceTrivia.GetHashCode();
hashCode = hashCode * -1521134295 + TargetToken.GetHashCode();
hashCode = hashCode * -1521134295 + IsLeading.GetHashCode();
return(hashCode);
}
public bool IsKnown(SyntaxToken token)
{
if (_KnownTokens.TryGetValue(token.LineNumber, out var lineCache))
{
if (lineCache.TryGetValue(token.ColumnPosition, out var hash))
{
if (hash == token.GetHashCode())
{
return(true);
}
}
}
return(false);
}
