static public Constant Convert(Constant constant, Constant.Type newType)
{
if (newType == constant.ConstantType)
{
return(constant);
}
switch (newType)
{
case Constant.Type.Complex:
if (constant.ConstantType == Constant.Type.Float)
{
return(new ComplexValue((constant as FloatValue).Value, 0.0));
}
else if (constant.ConstantType == Constant.Type.Int)
{
return(new ComplexValue((constant as IntValue).Value, 0.0));
}
break;
case Constant.Type.Float:
if (constant.ConstantType == Constant.Type.Int)
{
return(new FloatValue((constant as IntValue).Value));
}
if (constant.ConstantType == Constant.Type.Bool)
{
return(new FloatValue((constant as BoolValue).Value ? 1.0 : 0.0));
}
break;
case Constant.Type.String:
return(constant.CastToString());
case Constant.Type.Int:
if (constant.ConstantType == Constant.Type.Bool)
{
return(new IntValue((constant as BoolValue).Value ? 1 : 0));
}
break;
case Constant.Type.Bool:
if (constant.ConstantType == Constant.Type.Int)
{
return(new BoolValue((constant as IntValue).Value == 0 ? true : false));
}
break;
}
throw new TypeConversionError(constant.ConstantType.ToString(), newType.ToString());
}