static object Evaluate(string expression, PrimitiveDsdlType expectedReturnType)
{
var evaluator = new DsdlConstExprEvaluator(expectedReturnType);
var result = evaluator.Evaluate(expression);
if (result is string stringResult && bool.TryParse(stringResult, out var boolResult))
{
return(boolResult);
}
return(result);
}
object ReadPrimitiveType(BitStreamReader reader, PrimitiveDsdlType t)
{
switch (t)
{
case BooleanDsdlType _:
return(BitSerializer.ReadBoolean(reader, t.MaxBitlen));
case IntDsdlType _:
return(BitSerializer.ReadIntTyped(reader, t.MaxBitlen));
case UIntDsdlType _:
return(BitSerializer.ReadUIntTyped(reader, t.MaxBitlen));
case FloatDsdlType fdt:
return(ReadFloatPrimitiveType(reader, fdt));
default:
throw new ArgumentOutOfRangeException(nameof(t));
}
}
static string GetCSharpType(PrimitiveDsdlType type)
{
switch (type)
{
case BooleanDsdlType _:
return("bool");
case IntDsdlType t:
if (t.MaxBitlen <= 8)
{
return("sbyte");
}
else if (t.MaxBitlen <= 16)
{
return("short");
}
else if (t.MaxBitlen <= 32)
{
return("int");
}
else if (t.MaxBitlen <= 64)
{
return("long");
}
else
{
throw new InvalidOperationException();
}
case UIntDsdlType t:
if (t.MaxBitlen <= 8)
{
return("byte");
}
else if (t.MaxBitlen <= 16)
{
return("ushort");
}
else if (t.MaxBitlen <= 32)
{
return("uint");
}
else if (t.MaxBitlen <= 64)
{
return("ulong");
}
else
{
throw new InvalidOperationException();
}
case FloatDsdlType t:
if (t.MaxBitlen == 16 || t.MaxBitlen == 32)
{
return("float");
}
else if (t.MaxBitlen == 64)
{
return("double");
}
else
{
throw new InvalidOperationException();
}
default:
throw new InvalidOperationException();
}
}
