private static void EmitConvertValue(GroboIL il, GroBufTypeCode typeCode, GroBufTypeCode expectedTypeCode)
{
if (expectedTypeCode == typeCode)
{
return;
}
switch (expectedTypeCode)
{
case GroBufTypeCode.Int8:
il.Conv <sbyte>();
break;
case GroBufTypeCode.UInt8:
case GroBufTypeCode.Boolean:
il.Conv <byte>();
break;
case GroBufTypeCode.Int16:
il.Conv <short>();
break;
case GroBufTypeCode.UInt16:
il.Conv <ushort>();
break;
case GroBufTypeCode.Int32:
if (typeCode == GroBufTypeCode.Int64 || typeCode == GroBufTypeCode.UInt64 || typeCode == GroBufTypeCode.Double || typeCode == GroBufTypeCode.Single || typeCode == GroBufTypeCode.DateTimeNew)
{
il.Conv <int>();
}
break;
case GroBufTypeCode.UInt32:
if (typeCode == GroBufTypeCode.Int64 || typeCode == GroBufTypeCode.UInt64 || typeCode == GroBufTypeCode.Double || typeCode == GroBufTypeCode.Single || typeCode == GroBufTypeCode.DateTimeNew)
{
il.Conv <uint>();
}
break;
case GroBufTypeCode.Int64:
if (typeCode != GroBufTypeCode.UInt64)
{
if (typeCode == GroBufTypeCode.UInt8 || typeCode == GroBufTypeCode.UInt16 || typeCode == GroBufTypeCode.UInt32)
{
il.Conv <ulong>();
}
else
{
il.Conv <long>();
}
}
break;
case GroBufTypeCode.UInt64:
if (typeCode != GroBufTypeCode.Int64 && typeCode != GroBufTypeCode.DateTimeNew)
{
if (typeCode == GroBufTypeCode.Int8 || typeCode == GroBufTypeCode.Int16 || typeCode == GroBufTypeCode.Int32)
{
il.Conv <long>();
}
else
{
il.Conv <ulong>();
}
}
break;
case GroBufTypeCode.Single:
if (typeCode == GroBufTypeCode.UInt64 || typeCode == GroBufTypeCode.UInt32)
{
il.Conv_R_Un();
}
il.Conv <float>();
break;
case GroBufTypeCode.Double:
if (typeCode == GroBufTypeCode.UInt64 || typeCode == GroBufTypeCode.UInt32)
{
il.Conv_R_Un();
}
il.Conv <double>();
break;
case GroBufTypeCode.Decimal:
switch (typeCode)
{
case GroBufTypeCode.Boolean:
case GroBufTypeCode.Int8:
case GroBufTypeCode.Int16:
case GroBufTypeCode.Int32:
case GroBufTypeCode.UInt8:
case GroBufTypeCode.UInt16:
il.Newobj(decimalByIntConstructor);
break;
case GroBufTypeCode.UInt32:
il.Newobj(decimalByUIntConstructor);
break;
case GroBufTypeCode.Int64:
case GroBufTypeCode.DateTimeNew:
il.Newobj(decimalByLongConstructor);
break;
case GroBufTypeCode.UInt64:
il.Newobj(decimalByULongConstructor);
break;
case GroBufTypeCode.Single:
il.Call(decimalByFloatMethod);
break;
case GroBufTypeCode.Double:
il.Call(decimalByDoubleMethod);
break;
default:
throw new NotSupportedException("Type with type code '" + typeCode + "' is not supported");
}
break;
default:
throw new NotSupportedException("Type with type code '" + expectedTypeCode + "' is not supported");
}
}
private static void EmitConvertValueChecked(GroboIL il, Type from, Type to)
{
var fromTypeCode = Type.GetTypeCode(from);
var toTypeCode = Type.GetTypeCode(to);
switch (fromTypeCode)
{
case TypeCode.DBNull:
case TypeCode.DateTime:
case TypeCode.Decimal:
case TypeCode.Empty:
case TypeCode.Object:
case TypeCode.String:
throw new NotSupportedException("Cast from type '" + from + "' to type '" + to + "' is not supported");
}
if (toTypeCode == fromTypeCode)
{
return;
}
switch (toTypeCode)
{
case TypeCode.SByte:
il.Conv_Ovf <sbyte>(from.Unsigned());
break;
case TypeCode.Byte:
case TypeCode.Boolean:
il.Conv_Ovf <byte>(from.Unsigned());
break;
case TypeCode.Int16:
il.Conv_Ovf <short>(from.Unsigned());
break;
case TypeCode.UInt16:
il.Conv_Ovf <ushort>(from.Unsigned());
break;
case TypeCode.Int32:
if (fromTypeCode == TypeCode.UInt32 || fromTypeCode == TypeCode.Int64 || fromTypeCode == TypeCode.UInt64 ||
fromTypeCode == TypeCode.Double || fromTypeCode == TypeCode.Single /* || fromTypeCode == TypeCode.DateTime*/)
{
il.Conv_Ovf <int>(from.Unsigned());
}
break;
case TypeCode.UInt32:
if (fromTypeCode == TypeCode.SByte || fromTypeCode == TypeCode.Int16 || fromTypeCode == TypeCode.Int32 || fromTypeCode == TypeCode.Int64 ||
fromTypeCode == TypeCode.UInt64 || fromTypeCode == TypeCode.Double || fromTypeCode == TypeCode.Single /* || fromTypeCode == TypeCode.DateTime*/)
{
il.Conv_Ovf <uint>(from.Unsigned());
}
break;
case TypeCode.Int64:
switch (fromTypeCode)
{
case TypeCode.Double:
case TypeCode.Single:
case TypeCode.UInt64:
il.Conv_Ovf <long>(from.Unsigned());
break;
case TypeCode.UInt32:
case TypeCode.Char:
case TypeCode.UInt16:
case TypeCode.Byte:
il.Conv <ulong>();
break;
default:
il.Conv <long>();
break;
}
break;
case TypeCode.UInt64:
switch (fromTypeCode)
{
case TypeCode.Double:
case TypeCode.Single:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
il.Conv_Ovf <ulong>(from.Unsigned());
break;
case TypeCode.UInt32:
case TypeCode.Char:
case TypeCode.UInt16:
case TypeCode.Byte:
il.Conv <ulong>();
break;
}
break;
case TypeCode.Single:
if (fromTypeCode == TypeCode.UInt64 || fromTypeCode == TypeCode.UInt32)
{
il.Conv_R_Un();
}
il.Conv <float>();
break;
case TypeCode.Double:
if (fromTypeCode == TypeCode.UInt64 || fromTypeCode == TypeCode.UInt32)
{
il.Conv_R_Un();
}
il.Conv <double>();
break;
default:
throw new NotSupportedException("Type with type code '" + toTypeCode + "' is not supported");
}
}
