public static Either<ParseException, Pair<List<IToken>, PrimaryNode>> Parse(List<IToken> tokens, IScopedTable<IEntityType, string> parentTypeTable)
{
IToken token = null;
Console.WriteLine("PrimaryNode");
if (tokens.Count < 1)
return NotAPrimaryException;
if ((tokens[0] is IntegerLiteralToken) || (tokens[0] is RealLiteralToken) ||
(tokens[0] is TrueKeywordToken) || (tokens[0] is FalseKeywordToken))
{
token = tokens[0];
tokens = tokens.Skip(1).ToList();
while (tokens.Count > 0)
if (tokens[0] is NewLineSymbolToken || tokens[0] is CommentToken)
tokens = tokens.Skip(1).ToList();
else break;
return new Pair<List<IToken>, PrimaryNode>(tokens, new PrimaryNode(token, parentTypeTable));
}
var maybeModifiablePrimary = ModifiablePrimaryNode.Parse(tokens, parentTypeTable);
if (maybeModifiablePrimary.IsLeft)
return maybeModifiablePrimary.LeftToList()[0];
var modifiablePrimary = maybeModifiablePrimary.RightToList()[0].Second;
tokens = maybeModifiablePrimary.RightToList()[0].First;
return new Pair<List<IToken>, PrimaryNode>(tokens, new PrimaryNode(token, modifiablePrimary, parentTypeTable));
}
private PrimaryNode(IToken token, ModifiablePrimaryNode modifiablePrimary, IScopedTable<IEntityType, string> parentTypeTable)
{
Token = token;
ModifiablePrimary = modifiablePrimary;
ParentTypeTable = parentTypeTable;
}