private Value And(AndNode exp)
{
try
{
Constant left = Eval(exp.Left).GetRValue();
Constant right = Eval(exp.Right).GetRValue();
BoolValue l = (BoolValue)Convert(left, Constant.Type.Bool);
BoolValue r = (BoolValue)Convert(right, Constant.Type.Bool);
return(BoolValue.OpAnd(l, r));
}
catch (TypeConversionError exc)
{
throw new ModelInterpreterException($"Операция \"И\" не определена для типов \"{exc.Src}\" и \"{exc.Dst}\"")
{
Line = exp.Line,
Position = exp.Position
};
}
catch (Exception exc)
{
throw new ModelInterpreterException(exc.Message)
{
Line = exp.Line,
Position = exp.Position
};
}
}