public override void Apply(ParserState state)
{
ParserStackItem[] subItems = new ParserStackItem[ReduceWith.Production.Pattern.Length];
for (var i = subItems.Length - 1; i >= 0; i--)
{
subItems[i] = state.ParsedStack.Pop();
state.StateStack.Pop();
}
ParserStackItem reduction = new ParserStackItem(ReduceWith.Production.Name, subItems);
state.InputStack.Push(reduction);
}
static void WriteItem(ParserStackItem item)
{
if (item == null)
{
Console.Write("EOF");
}
else if (item.ProductionName != null)
{
Console.Write("{" + item.ProductionName + "}");
}
else if (item.Token.TokenType == "newline" || item.Token.TokenType == "space")
{
Console.Write("<" + item.Token.TokenType + ">");
}
else
{
Console.Write(item.Token.Value);
}
}
static void PrintRecursive(ParserStackItem item, int tabDepth = 0)
{
string tabs = new string(' ', tabDepth);
if (item == null)
{
Console.WriteLine(tabs + "EOF");
}
else if (item.Token != null)
{
Console.WriteLine(tabs + item.Token);
}
else
{
Console.WriteLine(tabs + "{" + item.ProductionName + "}");
foreach (var subItem in item.ProductionComponents)
{
PrintRecursive(subItem, tabDepth + 1);
}
}
}
public UnknownTokenException(ParserStackItem stackItem)
: base($"An input item does not match any column of the parse table. Value = '{stackItem.Token.Value}', Type = '{stackItem.Token.TokenType}'")
{
UnrecognizedItem = stackItem.Token;
}
