public SourceWithMarkedNodes(string markedSource, Func <string, SyntaxTree> parser, Func <string, int> getSyntaxKind)
{
Source = ClearTags(markedSource);
Tree = parser(Source);
SpansAndKinds = ImmutableArray.CreateRange(
from match in MarkerPattern.Matches(markedSource).ToEnumerable()
let markedSyntax = match.Groups["MarkedSyntax"]
let syntaxKindOpt = match.Groups["SyntaxKind"].Value
let parsedKind = string.IsNullOrEmpty(syntaxKindOpt) ? 0 : getSyntaxKind(syntaxKindOpt)
select ValueTuple.Create(new TextSpan(markedSyntax.Index, markedSyntax.Length), parsedKind));
}
private static IEnumerable <ValueTuple <TextSpan, int> > GetSpansRecursive(string markedSource, int offset, Func <string, int> getSyntaxKind)
{
foreach (var match in MarkerPattern.Matches(markedSource).ToEnumerable())
{
var markedSyntax = match.Groups["MarkedSyntax"];
var syntaxKindOpt = match.Groups["SyntaxKind"].Value;
var parsedKind = string.IsNullOrEmpty(syntaxKindOpt) ? 0 : getSyntaxKind(syntaxKindOpt);
int absoluteOffset = offset + markedSyntax.Index;
yield return(ValueTuple.Create(new TextSpan(absoluteOffset, markedSyntax.Length), parsedKind));
foreach (var nestedSpan in GetSpansRecursive(markedSyntax.Value, absoluteOffset, getSyntaxKind))
{
yield return(nestedSpan);
}
}
}