public static Expression NewNumOperator(TokenType tokenType, Expression expression1, Expression expression2)
{
if (tokenType == TokenType.Plus && expression1.Type == typeof(string))
{
return(new StrConcatOperator(Validator.CheckType <IExpression <string> >(expression1), Validator.CheckType <IExpression <string> >(expression2)));
}
else
{
return(new NumOperator(tokenType, Validator.CheckType <IExpression <double> >(expression1), Validator.CheckType <IExpression <double> >(expression2)));
}
}
public static Expression NewCompareOperator(TokenType tokenType, Expression expression1, Expression expression2)
{
if (expression1.Type == typeof(double))
{
return(new CompareOperator <double>(tokenType, Validator.CheckType <IExpression <double> >(expression1), Validator.CheckType <IExpression <double> >(expression2)));
}
else if (expression1.Type == typeof(string))
{
return(new CompareOperator <string>(tokenType, Validator.CheckType <IExpression <string> >(expression1), Validator.CheckType <IExpression <string> >(expression2)));
}
else
{
return(new CompareOperator <bool>(tokenType, Validator.CheckType <IExpression <bool> >(expression1), Validator.CheckType <IExpression <bool> >(expression2)));
}
}
public UnaryNotOperator(Expression expression)
{
this.expression = Validator.CheckType <IExpression <bool> >(expression);
}
public static Expression NewBoolOperator(TokenType tokenType, Expression expression1, Expression expression2)
{
return(new BoolOperator(tokenType, Validator.CheckType <IExpression <bool> >(expression1), Validator.CheckType <IExpression <bool> >(expression2)));
}
public UnaryMinusOperator(Expression expression)
{
this.expression = Validator.CheckType <IExpression <double> >(expression);
}