private void AddToStack(Tokens.IPrioritable token)
{
bool isAdded = false;
while (!isAdded)
{
EParserState state = Automat.GetState(token, _Stack.Peek());
switch (state)
{
case EParserState.ToStack:
_Stack.Push(token);
isAdded = true;
break;
case EParserState.StackToResult:
_Result.Add(_Stack.Pop());
break;
case EParserState.RemoveBrackets:
_Stack.Pop();
isAdded = true;
break;
case EParserState.End:
isAdded = true;
IsFinish = true;
break;
case EParserState.Error:
throw new Exceptions.InvalidExpression("Incorrectly placed brackets");
}
}
}
public EParserState GetState(Tokens.IPrioritable currentToken, Tokens.IPrioritable stackToken)
{
Dictionary <Tokens.ETokenPriority, EParserState> stateMap = AutomatStates[stackToken.Priority];
return(stateMap[currentToken.Priority]);
}
