public override Value Eval(Environment env)
{
Value lv = left.Eval(env);
Value rv = right.Eval(env);
if (typeof(StringVal).IsInstanceOfType(lv))
{
if (typeof(StringVal).IsInstanceOfType(rv))
{
return(new StringVal(((StringVal)(lv)).stringVal + ((StringVal)(rv)).stringVal));
}
}
else if (typeof(IntVal).IsInstanceOfType(lv))
{
if (typeof(IntVal).IsInstanceOfType(rv))
{
return(new IntVal(((IntVal)(lv)).intVal + ((IntVal)(rv)).intVal));
}
lv = new FloatVal((IntVal)lv);
}
if (typeof(FloatVal).IsInstanceOfType(lv))
{
if (typeof(IntVal).IsInstanceOfType(rv))
{
rv = new FloatVal((IntVal)rv);
}
if (typeof(FloatVal).IsInstanceOfType(rv))
{
return(new FloatVal(((FloatVal)(lv)).floatVal + ((FloatVal)(rv)).floatVal));
}
}
throw new TypeMismatchException("types cannot be added!");
}
public override Value Eval(Environment env)
{
Value lv = left.Eval(env);
Value rv = right.Eval(env);
if (typeof(IntVal).IsInstanceOfType(lv))
{
if (typeof(IntVal).IsInstanceOfType(rv))
{
return(new IntVal(((IntVal)(lv)).intVal - ((IntVal)(rv)).intVal));
}
lv = new FloatVal((IntVal)lv);
}
if (typeof(FloatVal).IsInstanceOfType(lv))
{
if (typeof(IntVal).IsInstanceOfType(rv))
{
rv = new FloatVal((IntVal)rv);
}
if (typeof(FloatVal).IsInstanceOfType(rv))
{
return(new FloatVal(((FloatVal)(lv)).floatVal - ((FloatVal)(rv)).floatVal));
}
}
throw new TypeMismatchException("must both be numbers!");
}
public override Value Eval(Environment env)
{
Value lv = left.Eval(env);
Value rv = right.Eval(env);
if (typeof(IntVal).IsInstanceOfType(lv))
{
if (typeof(IntVal).IsInstanceOfType(rv))
{
int li = ((IntVal)(lv)).intVal;
int ri = ((IntVal)(rv)).intVal;
return(new IntVal(li * ri));
}
else
{
lv = new FloatVal((IntVal)lv);
}
}
if (typeof(FloatVal).IsInstanceOfType(lv) && typeof(FloatVal).IsInstanceOfType(rv))
{
float lf = ((FloatVal)lv).floatVal;
float rf = ((FloatVal)rv).floatVal;
return(new FloatVal(lf * rf));
}
else
{
throw new TypeMismatchException("must both be numbers!");
}
}
public override Value Eval(Environment env)
{
Value lv = left.Eval(env);
Value rv = right.Eval(env);
if (typeof(IntVal).IsInstanceOfType(lv))
{
lv = new FloatVal((IntVal)lv);
}
if (typeof(IntVal).IsInstanceOfType(rv))
{
rv = new FloatVal((IntVal)rv);
}
if (typeof(FloatVal).IsInstanceOfType(lv) && typeof(FloatVal).IsInstanceOfType(rv))
{
float lf = ((FloatVal)lv).floatVal;
float rf = ((FloatVal)rv).floatVal;
if (rf == 0)
{
throw new DivideByZeroException("cannot divide by zero!");
}
return(new FloatVal(lf / rf));
}
else
{
throw new TypeMismatchException("must both be numbers!");
}
}
protected bool Equals(PrimitivesReferenceModel other)
{
return(string.Equals(StringVal, other.StringVal) && IntVal == other.IntVal &&
BooleanVal == other.BooleanVal && ByteVal == other.ByteVal && LongVal == other.LongVal &&
FloatVal.Equals(other.FloatVal) && DoubleVal.Equals(other.DoubleVal) &&
DateTimeVal.Equals(other.DateTimeVal) && ShortVal == other.ShortVal &&
UShortVal == other.UShortVal && UIntVal == other.UIntVal && ULongVal == other.ULongVal &&
SByteVal == other.SByteVal && CharVal == other.CharVal);
}
public override Value Eval(Environment env)
{
Value lv = left.Eval(env);
Value rv = right.Eval(env);
if (typeof(NumVal).IsInstanceOfType(lv) && typeof(NumVal).IsInstanceOfType(rv))
{
FloatVal f1 = new FloatVal((NumVal)lv);
FloatVal f2 = new FloatVal((NumVal)rv);
return(new FloatVal((float)(Math.Pow(f1.floatVal, f2.floatVal))));
}
throw new TypeMismatchException("must both be numbers!");
}
public override int GetHashCode()
{
unchecked
{
var hashCode = (StringVal != null ? StringVal.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ IntVal;
hashCode = (hashCode * 397) ^ BooleanVal.GetHashCode();
hashCode = (hashCode * 397) ^ ByteVal.GetHashCode();
hashCode = (hashCode * 397) ^ LongVal.GetHashCode();
hashCode = (hashCode * 397) ^ FloatVal.GetHashCode();
hashCode = (hashCode * 397) ^ DoubleVal.GetHashCode();
hashCode = (hashCode * 397) ^ DateTimeVal.GetHashCode();
hashCode = (hashCode * 397) ^ ShortVal.GetHashCode();
hashCode = (hashCode * 397) ^ UShortVal.GetHashCode();
hashCode = (hashCode * 397) ^ (int)UIntVal;
hashCode = (hashCode * 397) ^ ULongVal.GetHashCode();
hashCode = (hashCode * 397) ^ SByteVal.GetHashCode();
hashCode = (hashCode * 397) ^ CharVal.GetHashCode();
return(hashCode);
}
}
