Node_P PlusMinus()
{
Node_P left = MultDiv();
while (true)
{
//Identify the operation
Operation op = Operation.Null;
if (splitter.current_sign == Sign.Plus)
{
op = Operation.Addition;
}
else if (splitter.current_sign == Sign.Minus)
{
op = Operation.Substraction;
}
//If no plus or minus sign is found
if (op == Operation.Null)
{
return(left);
}
splitter.Move_sign(); //move to the next sign
Node_P right = MultDiv();
//Create a node with a correspondent binary operation
left = new NodePolBinary(left, right, op);
}
}
Node_P MultDiv()
{
//Check whether the current node is a unary operator
Node_P left = Unary();
while (true)
{
//Identify the operation
Operation op = Operation.Null;
if (splitter.current_sign == Sign.Divide)
{
op = Operation.Division;
}
else if (splitter.current_sign == Sign.Multiply)
{
op = Operation.Multiplication;
}
//If no multiply or divide sign is found
if (op == Operation.Null)
{
return(left);
}
splitter.Move_sign(); //move to the next sign
//Check whether the current node is a unary operator
Node_P right = Unary();
//Create a node with a correspondent binary operation
left = new NodePolBinary(left, right, op);
}
}