public override IResultValue Evaluate()
{
IResultValue first = First.Evaluate();
IResultValue second = Second.Evaluate();
return(new ResultString(First.Evaluate().ToString() + Second.Evaluate().ToString()));
}
public override IResultValue Evaluate()
{
IResultValue num1 = First.Evaluate();
IResultValue num2 = Second.Evaluate();
double d1 = (double)num1.ToDecimal();
double d2 = (double)num2.ToDecimal();
return(new ResultBoolean(!d1.AlmostEqualTo(d2)));
}
public override IResultValue Evaluate()
{
IResultValue res1 = First.Evaluate();
IResultValue res2 = Second.Evaluate();
if (!((double)res1.ToDecimal()).IsInteger(8) || !((double)res2.ToDecimal()).IsInteger(8))
{
throw new EvaluationException(this,
"Cannot use floating-point types in modulus calculation.");
}
return(new ResultNumberReal((decimal)(res1.ToInteger() % res2.ToInteger())));
}
public override Node Evaluate(Env env)
{
var a = First.Evaluate(env);
var b = Second.Evaluate(env);
if (a is Number && b is Color)
{
if (Operator == "*" || Operator == "+")
{
var temp = b;
b = a;
a = temp;
}
else
{
throw new ParsingException("Can't substract or divide a color from a number", Location);
}
}
try
{
var operable = a as IOperable;
if (operable != null)
{
return(operable.Operate(this, b).ReducedFrom <Node>(this));
}
if (Operator == "+" && (a is Quoted || a is TextNode) && (b is Quoted || b is TextNode)) // Runge
{
//Quoted qa = a as Quoted;
//Quoted qb = b as Quoted;
return(new Quoted(a.ToCSS(env) + Operator + b.ToCSS(env), (a is Quoted) ? (a as Quoted).Escaped: false));
}
throw new ParsingException(string.Format("Cannot apply operator {0} to the left hand side: {1}", Operator, a.ToCSS(env)), Location);
}
catch (DivideByZeroException e)
{
throw new ParsingException(e, Location);
}
catch (InvalidOperationException e)
{
throw new ParsingException(e, Location);
}
}
public override IResultValue Evaluate()
{
string str = First.Evaluate().ToString();
IResultValue countIRV = Second.Evaluate();
if (countIRV.Type != MathType.Integer)
{
throw new EvaluationException("That's no integer....");
}
int count = (int)countIRV.ToInteger();
string res = "";
for (int i = 0; i < count; i++)
{
res += str;
}
return(new ResultString(res));
}
public override Node Evaluate(Env env)
{
var a = First.Evaluate(env);
var b = Second.Evaluate(env);
if (a is Number && b is Color)
{
if (Operator == "*" || Operator == "+")
{
var temp = b;
b = a;
a = temp;
}
else
{
throw new ParsingException("Can't substract or divide a color from a number", Index);
}
}
try
{
var operable = a as IOperable;
if (operable != null)
{
return(operable.Operate(this, b));
}
throw new ParsingException(string.Format("Cannot apply operator {0} to the left hand side: {1}", Operator, a.ToCSS(env)), Index);
}
catch (DivideByZeroException e)
{
throw new ParsingException(e, Index);
}
catch (InvalidOperationException e)
{
throw new ParsingException(e, Index);
}
return(null);
}
public override IResultValue Evaluate()
{
return(new ResultNumberReal(First.Evaluate().ToDecimal() / Second.Evaluate().ToDecimal()));
}
public override IResultValue Evaluate()
{
return(new ResultBoolean(First.Evaluate().ToDecimal() <= Second.Evaluate().ToDecimal()));
}
public override IResultValue Evaluate()
{
return(new ResultBoolean(First.Evaluate().ToBoolean() && Second.Evaluate().ToBoolean()));
}
public override IResultValue Evaluate()
{
return(new ResultNumberReal(MathPlus.Pow((double)First.Evaluate().ToDecimal(), (double)Second.Evaluate().ToDecimal())));
}