public static Instruction Create(Type type, bool liftedToNull)
{
// Boxed enums can be unboxed as their underlying types:
if (liftedToNull)
{
switch ((type.IsEnum ? Enum.GetUnderlyingType(type) : type.GetNonNullableType()).GetTypeCode())
{
case TypeCode.Boolean:
return(_booleanLiftedToNull ?? (_booleanLiftedToNull = new EqualBooleanLiftedToNull()));
case TypeCode.SByte:
return(_sbyteLiftedToNull ?? (_sbyteLiftedToNull = new EqualSByteLiftedToNull()));
case TypeCode.Byte:
return(_byteLiftedToNull ?? (_byteLiftedToNull = new EqualByteLiftedToNull()));
case TypeCode.Char:
return(_charLiftedToNull ?? (_charLiftedToNull = new EqualCharLiftedToNull()));
case TypeCode.Int16:
return(_int16LiftedToNull ?? (_int16LiftedToNull = new EqualInt16LiftedToNull()));
case TypeCode.Int32:
return(_int32LiftedToNull ?? (_int32LiftedToNull = new EqualInt32LiftedToNull()));
case TypeCode.Int64:
return(_int64LiftedToNull ?? (_int64LiftedToNull = new EqualInt64LiftedToNull()));
case TypeCode.UInt16:
return(_uint16LiftedToNull ?? (_uint16LiftedToNull = new EqualUInt16LiftedToNull()));
case TypeCode.UInt32:
return(_uint32LiftedToNull ?? (_uint32LiftedToNull = new EqualUInt32LiftedToNull()));
case TypeCode.UInt64:
return(_uint64LiftedToNull ?? (_uint64LiftedToNull = new EqualUInt64LiftedToNull()));
case TypeCode.Single:
return(_singleLiftedToNull ?? (_singleLiftedToNull = new EqualSingleLiftedToNull()));
case TypeCode.Double:
return(_doubleLiftedToNull ?? (_doubleLiftedToNull = new EqualDoubleLiftedToNull()));
case TypeCode.String:
case TypeCode.Object:
if (!type.IsValueType)
{
return(_referenceLiftedToNull ?? (_referenceLiftedToNull = new EqualReferenceLiftedToNull()));
}
// TODO: Nullable<T>
throw Error.ExpressionNotSupportedForNullableType("Equal", type);
default:
throw Error.ExpressionNotSupportedForType("Equal", type);
}
}
else
{
switch ((type.IsEnum ? Enum.GetUnderlyingType(type) : type.GetNonNullableType()).GetTypeCode())
{
case TypeCode.Boolean:
return(_boolean ?? (_boolean = new EqualBoolean()));
case TypeCode.SByte:
return(_sbyte ?? (_sbyte = new EqualSByte()));
case TypeCode.Byte:
return(_byte ?? (_byte = new EqualByte()));
case TypeCode.Char:
return(_char ?? (_char = new EqualChar()));
case TypeCode.Int16:
return(_int16 ?? (_int16 = new EqualInt16()));
case TypeCode.Int32:
return(_int32 ?? (_int32 = new EqualInt32()));
case TypeCode.Int64:
return(_int64 ?? (_int64 = new EqualInt64()));
case TypeCode.UInt16:
return(_uint16 ?? (_uint16 = new EqualUInt16()));
case TypeCode.UInt32:
return(_uint32 ?? (_uint32 = new EqualUInt32()));
case TypeCode.UInt64:
return(_uint64 ?? (_uint64 = new EqualUInt64()));
case TypeCode.Single:
return(_single ?? (_single = new EqualSingle()));
case TypeCode.Double:
return(_double ?? (_double = new EqualDouble()));
case TypeCode.String:
case TypeCode.Object:
if (!type.IsValueType)
{
return(_reference ?? (_reference = new EqualReference()));
}
// TODO: Nullable<T>
throw Error.ExpressionNotSupportedForNullableType("Equal", type);
default:
throw Error.ExpressionNotSupportedForType("Equal", type);
}
}
}
public static Instruction Create(Type type, bool liftedToNull)
{
// Boxed enums can be unboxed as their underlying types:
if (liftedToNull)
{
switch (TypeHelper.GetTypeCode(type.IsEnum ? Enum.GetUnderlyingType(type) : TypeHelper.GetNonNullableType(type)))
{
case TypeCode.Boolean: return s_booleanLiftedToNull ?? (s_booleanLiftedToNull = new EqualBooleanLiftedToNull());
case TypeCode.SByte: return s_SByteLiftedToNull ?? (s_SByteLiftedToNull = new EqualSByteLiftedToNull());
case TypeCode.Byte: return s_byteLiftedToNull ?? (s_byteLiftedToNull = new EqualByteLiftedToNull());
case TypeCode.Char: return s_charLiftedToNull ?? (s_charLiftedToNull = new EqualCharLiftedToNull());
case TypeCode.Int16: return s_int16LiftedToNull ?? (s_int16LiftedToNull = new EqualInt16LiftedToNull());
case TypeCode.Int32: return s_int32LiftedToNull ?? (s_int32LiftedToNull = new EqualInt32LiftedToNull());
case TypeCode.Int64: return s_int64LiftedToNull ?? (s_int64LiftedToNull = new EqualInt64LiftedToNull());
case TypeCode.UInt16: return s_UInt16LiftedToNull ?? (s_UInt16LiftedToNull = new EqualUInt16LiftedToNull());
case TypeCode.UInt32: return s_UInt32LiftedToNull ?? (s_UInt32LiftedToNull = new EqualUInt32LiftedToNull());
case TypeCode.UInt64: return s_UInt64LiftedToNull ?? (s_UInt64LiftedToNull = new EqualUInt64LiftedToNull());
case TypeCode.Single: return s_singleLiftedToNull ?? (s_singleLiftedToNull = new EqualSingleLiftedToNull());
case TypeCode.Double: return s_doubleLiftedToNull ?? (s_doubleLiftedToNull = new EqualDoubleLiftedToNull());
case TypeCode.String:
case TypeCode.Object:
if (!type.IsValueType)
{
return s_referenceLiftedToNull ?? (s_referenceLiftedToNull = new EqualReferenceLiftedToNull());
}
// TODO: Nullable<T>
throw Error.ExpressionNotSupportedForNullableType("Equal", type);
default:
throw Error.ExpressionNotSupportedForType("Equal", type);
}
}
else
{
switch (TypeHelper.GetTypeCode(type.IsEnum ? Enum.GetUnderlyingType(type) : TypeHelper.GetNonNullableType(type)))
{
case TypeCode.Boolean: return s_boolean ?? (s_boolean = new EqualBoolean());
case TypeCode.SByte: return s_SByte ?? (s_SByte = new EqualSByte());
case TypeCode.Byte: return s_byte ?? (s_byte = new EqualByte());
case TypeCode.Char: return s_char ?? (s_char = new EqualChar());
case TypeCode.Int16: return s_int16 ?? (s_int16 = new EqualInt16());
case TypeCode.Int32: return s_int32 ?? (s_int32 = new EqualInt32());
case TypeCode.Int64: return s_int64 ?? (s_int64 = new EqualInt64());
case TypeCode.UInt16: return s_UInt16 ?? (s_UInt16 = new EqualUInt16());
case TypeCode.UInt32: return s_UInt32 ?? (s_UInt32 = new EqualUInt32());
case TypeCode.UInt64: return s_UInt64 ?? (s_UInt64 = new EqualUInt64());
case TypeCode.Single: return s_single ?? (s_single = new EqualSingle());
case TypeCode.Double: return s_double ?? (s_double = new EqualDouble());
case TypeCode.String:
case TypeCode.Object:
if (!type.IsValueType)
{
return s_reference ?? (s_reference = new EqualReference());
}
// TODO: Nullable<T>
throw Error.ExpressionNotSupportedForNullableType("Equal", type);
default:
throw Error.ExpressionNotSupportedForType("Equal", type);
}
}
}
