internal CalculatorImpl(CommandProvider commandProvider)
{
_commands = commandProvider;
_tokenizer = new Tokenizer(GetAllOperators(_commands));
_scope = new Scope(); //scope lives with this instance
_opStack = new Stack<OpSlot>();
_valueStack = new Stack<ValueSlot>();
_tokenBuffer = new TokenBufferItem[2]; //need to look 2 ahead to decide type of operator (e.g. prefix or suffix)
_commands.loadConstants(_scope);
}
internal void loadConstants(Scope scope)
{
foreach (var entry in _constants) {
scope.SetConstant(entry.Key, entry.Value);
}
}
