private ushort ApplyOperation(ExpressionTokenParser.Tokens operation, ushort a, ushort b)
{
switch (operation)
{
case ExpressionTokenParser.Tokens.Plus:
return (ushort)(a + b);
case ExpressionTokenParser.Tokens.Minus:
return (ushort)(b - a);
case ExpressionTokenParser.Tokens.Asterisk:
return (ushort)(a * b);
}
return 0;
}
private bool HasPrecedence(ExpressionTokenParser.Tokens operator1, ExpressionTokenParser.Tokens operator2)
{
if (operator2 == ExpressionTokenParser.Tokens.Lparen || operator2 == ExpressionTokenParser.Tokens.Rparen)
{
return false;
}
if (operator1 == ExpressionTokenParser.Tokens.Asterisk && (operator2 == ExpressionTokenParser.Tokens.Plus ||
operator2 == ExpressionTokenParser.Tokens.Minus))
{
return false;
}
return true;
}
