private void handleOperator(IToken token)
{
//If the current op has higher precedence, add to the stack
//true if the last operator on the stack has precedence over the current operator
while (operatorStack.Count() > 0 && operatorStack.First().Type == TokenType.infixOperator &&
precedenceTest(operatorStack.First().TokenString, token.TokenString))
{
InAList.Add(operatorStack.Pop());
}
operatorStack.Push(token);
}
public void Add(int newFactor)
{
InAList.Add(newFactor);
if (InAList.Count > 0 && InAList.Last() > newFactor)
{
throw new Exception("Your list is out of order!");
}
if (newFactor == lastFactor || newFactor == 2)
{
consecutiveFactorCounter++;
}
else
{
consecutiveFactorCounter = 0;
}
lastFactor = newFactor;
}
public void Add(int newFactor)
{
InAList.Add(newFactor);
if (InAList.Count > 0 && InAList.Last() > newFactor)
{
throw new Exception("Your list is out of order!");
}
if (newFactor == lastFactor || newFactor == 2)
{
consecutiveFactorCounter++;
}
else
{
AsExponents.Add(new Value((double)lastFactor, (double)consecutiveFactorCounter, NumberType.exponent, Restrictions.dontFactorDontSetFraction));
consecutiveFactorCounter = 0;
}
lastFactor = newFactor;
}
public PostfixedTokens(List <IToken> inputTokens)
{
foreach (IToken token in inputTokens)
{
switch (token.Type)
{
case TokenType.keyword:
InAList.Add(token);
break;
case TokenType.number:
InAList.Add(token);
break;
case TokenType.variable:
InAList.Add(token);
break;
case TokenType.function:
operatorStack.Push(token);
numberOfFunctionParameters.Add(0);
break;
case TokenType.argSeperator:
if (operatorStack.Count() == 0)
{
ErrorLog.Add(new ErrorMessage(token.TokenString + " operator syntax error."));
}
else
{
if (numberOfFunctionParameters.Count > 0)
{
numberOfFunctionParameters[numberOfFunctionParameters.Count - 1] = numberOfFunctionParameters.Last() + 1;
}
while (operatorStack.First().Type != TokenType.openBrace)
{
InAList.Add(operatorStack.Pop());
}
}
break;
case TokenType.infixOperator:
handleOperator(token);
break;
case TokenType.suffixOperator:
InAList.Add(token);
break;
case TokenType.openBrace:
operatorStack.Push(token);
break;
case TokenType.closedBrace:
if (numberOfFunctionParameters.Count() > 0)
{
numberOfFunctionParameters[numberOfFunctionParameters.Count - 1] = numberOfFunctionParameters.Last() + 1;
}
while (operatorStack.First().Type != TokenType.openBrace)
{
if (operatorStack.Count() == 0)
{
ErrorLog.Add(new ErrorMessage("mismatched parenthesis error"));
}
InAList.Add(operatorStack.Pop());
}
operatorStack.Pop(); //Pop the left parenthesis off the stack
if (operatorStack.Count > 0 && operatorStack.First().Type == TokenType.function)
{
FunctionToken tokenToAdd = (FunctionToken)operatorStack.Pop();
tokenToAdd.numberOfChildren = numberOfFunctionParameters.Last();
numberOfFunctionParameters.RemoveAt(numberOfFunctionParameters.Count() - 1);
InAList.Add(tokenToAdd);
}
break;
default:
throw new Exception("Unknown token type");
}
}
while (operatorStack.Count() > 0)
{
InAList.Add(operatorStack.Pop());
}
//TODO: Handle mismatched bracket exception
}
public override void Add(IToken token)
{
InAList.Add(token);
}