Esempio n. 1
0
 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);
 }
Esempio n. 2
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 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;
 }
Esempio n. 3
0
 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;
 }
Esempio n. 4
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 public void Flush()
 {
     AsExponents.Add(new Value((double)lastFactor, (double)consecutiveFactorCounter + 1, NumberType.exponent, Restrictions.dontFactorDontSetFraction));
     Count = InAList.Count();
 }
Esempio n. 5
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        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
        }
Esempio n. 6
0
 public override void Add(IToken token)
 {
     InAList.Add(token);
 }
Esempio n. 7
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 public void Flush()
 {
     Count = InAList.Count();
 }
Esempio n. 8
0
 public void Flush()
 {
     AsExponents.Add(new Value((double)lastFactor, (double)consecutiveFactorCounter + 1, NumberType.exponent));
     Count = InAList.Count();
 }