public Symbol()
{
subSymbols = new List <Symbol>();
operation = SymbolOperator.none;
polarity = SymbolPolarity.positive;
type = SymbolType.numerical;
}
public Symbol(List <Symbol> subSymbols, SymbolOperator operation) : this()
{
this.subSymbols = subSymbols;
this.operation = operation;
this.type = SymbolType.node;
}
bool isOperatorTypeOf(SymbolOperator opwerator)
{
return(operation == opwerator);
}
private static void MergeNodeSymbolsToOne(Symbol s1, Symbol s2, ref Symbol mergedTo, SymbolOperator operation)
{
mergedTo.type = SymbolType.node;
if (s1.isOperatorTypeOf(s2.operation))
{
if (s1.isOperatorTypeOf(operation))
{
mergedTo.AbsorbeBranches(s1);
mergedTo.AbsorbeBranches(s2);
}
else if (!s1.isOperatorTypeOf(operation))
{
mergedTo.subSymbols.Add(s1);
mergedTo.subSymbols.Add(s2);
}
}
else if (s1.isOperatorTypeOf(mergedTo.operation))
{
mergedTo.subSymbols = s1.StackSubsymbolsWith(s2);
}
else if (s2.isOperatorTypeOf(mergedTo.operation))
{
mergedTo.subSymbols = s2.StackSubsymbolsWith(s1);
}
}