private static bool IsInsideToken(SCG.Dictionary<ParseRecord, bool> memoization, CompositeGrammar compositeGrammar, ParseRecord record)
{
bool res;
if (memoization.TryGetValue(record, out res))
return res;
if (record.Sequence.ParsingSequence.SequenceInfo is SequenceInfo.Ast)
{
var parser = record.Sequence.ParsingSequence.SequenceInfo.Parser;
res = compositeGrammar.Tokens.ContainsKey(parser) || compositeGrammar.VoidTokens.ContainsKey(parser);
memoization[record] = res;
if(res)
return res;
}
foreach (var caller in record.Sequence.Callers)
{
res = IsInsideToken(memoization, compositeGrammar, caller);
if (res)
{
memoization[record] = true;
return true;
}
}
memoization[record] = false;
return false;
}
