private SimpleNode(FactorNode factor, List <IToken> tokens, List <FactorNode> factors, IScopedTable <IEntityType, string> parentTypeTable)
{
Factor = factor;
Tokens = tokens;
Factors = factors;
ParentTypeTable = parentTypeTable;
}
public static Either <ParseException, Pair <List <IToken>, SimpleNode> > Parse(List <IToken> tokens, IScopedTable <IEntityType, string> parentTypeTable)
{
Console.WriteLine("SimpleNode");
var maybeFactor = FactorNode.Parse(tokens, parentTypeTable);
if (maybeFactor.IsLeft)
{
return(maybeFactor.LeftToList()[0]);
}
var factor = maybeFactor.RightToList()[0].Second;
var tokenlist = new List <IToken>();
var factors = new List <FactorNode>();
tokens = maybeFactor.RightToList()[0].First;
while (tokens.Count > 0)
{
if (tokens[0] is NewLineSymbolToken || tokens[0] is CommentToken)
{
tokens = tokens.Skip(1).ToList();
}
else
{
break;
}
}
while (true)
{
if (tokens.Count < 1)
{
break;
}
if (!(tokens[0] is MultiplyOperatorToken || tokens[0] is DivideOperatorToken ||
tokens[0] is ModOperatorToken))
{
break;
}
tokens = tokens.Skip(1).ToList();
var maybeFactor2 = FactorNode.Parse(tokens, parentTypeTable);
if (maybeFactor2.IsLeft)
{
return(maybeFactor2.LeftToList()[0]);
}
tokens = maybeFactor2.RightToList()[0].First;
while (tokens.Count > 0)
{
if (tokens[0] is NewLineSymbolToken || tokens[0] is CommentToken)
{
tokens = tokens.Skip(1).ToList();
}
else
{
break;
}
}
}
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>, SimpleNode>(tokens, new SimpleNode(factor, tokenlist, factors, parentTypeTable)));
}