private SymbolPrecedence <SYMBOL_ENUM> findOperator(SymbolChunk <SYMBOL_ENUM> opSymbol)
{
List <SymbolPrecedence <SYMBOL_ENUM> > result;
if (operators.TryGetValue(opSymbol, out result))
{
return(result.Single());
}
else
{
return(null);
}
}
public ISymbolPrecedence <SYMBOL_ENUM> GetShiftOperator(SymbolChunk <SYMBOL_ENUM> input)
{
ISymbolPrecedence <SYMBOL_ENUM> prec;
if (input.Count == 1)
{
prec = findOperator(input);
}
else
{
prec = findOperator(input.Symbols.First());
}
return(registerUse(prec));
}
/// <summary>
/// Add from lower to highest, symbols in single call are equal
/// </summary>
public void AddOperator(AssociativityEnum assoc, params SYMBOL_ENUM[] opSymbols)
{
if (priorityGroupCounter == 0)
{
++runningPriority;
}
foreach (SYMBOL_ENUM op_symbol in opSymbols)
{
addEntry(this.operators, new SymbolPrecedence <SYMBOL_ENUM>(SymbolPrecedence.ModeEnum.BasicOperatorSearch)
{
Symbols = SymbolChunk.Create(op_symbol),
Associativity = assoc,
Priority = runningPriority
}, symbolsRep);
}
}
