def new_primitive_type(self, name):
        if name == 'wchar_t':
            raise NotImplementedError(name)
        ctype = self.PRIMITIVE_TYPES[name]
        if name == 'char':
            kind = 'char'
        elif name in ('float', 'double'):
            kind = 'float'
        else:
            if ('signed char', 'unsigned char') in name:
                kind = 'byte'
            elif name == '_Bool':
                kind = 'bool'
            else:
                kind = 'int'
            is_signed = (ctype(-1).value == -1)
        #
        def _cast_source_to_int(source):
            if isinstance(source, (int, long, float)):
                source = int(source)
            elif isinstance(source, CTypesData):
                source = source._cast_to_integer()
            elif isinstance(source, bytes):
                source = ord(source)
            elif source is None:
                source = 0
            else:
                raise TypeError("bad type for cast to %r: %r" %
                                (CTypesPrimitive, type(source).__name__))
            return source
        #
        kind1 = kind
        class CTypesPrimitive(CTypesGenericPrimitive):
            __slots__ = ['_value']
            _ctype = ctype
            _reftypename = '%s &' % name
            kind = kind1

            def __init__(self, value):
                self._value = value

            @staticmethod
            def _create_ctype_obj(init):
                if init is None:
                    return ctype()
                return ctype(CTypesPrimitive._to_ctypes(init))

            if kind == 'int' or kind == 'byte':
                @classmethod
                def _cast_from(cls, source):
                    source = _cast_source_to_int(source)
                    source = ctype(source).value     # cast within range
                    return cls(source)
                def __int__(self):
                    return self._value

            if kind == 'bool':
                @classmethod
                def _cast_from(cls, source):
                    if not isinstance(source, (int, long, float)):
                        source = _cast_source_to_int(source)
                    return cls(bool(source))
                def __int__(self):
                    return self._value

            if kind == 'char':
                @classmethod
                def _cast_from(cls, source):
                    source = _cast_source_to_int(source)
                    source = bytechr(source & 0xFF)
                    return cls(source)
                def __int__(self):
                    return ord(self._value)

            if kind == 'float':
                @classmethod
                def _cast_from(cls, source):
                    if isinstance(source, float):
                        pass
                    elif isinstance(source, CTypesGenericPrimitive):
                        if hasattr(source, '__float__'):
                            source = float(source)
                        else:
                            source = int(source)
                    else:
                        source = _cast_source_to_int(source)
                    source = ctype(source).value     # fix precision
                    return cls(source)
                def __int__(self):
                    return int(self._value)
                def __float__(self):
                    return self._value

            _cast_to_integer = __int__

            if kind == 'int' or kind == 'byte' or kind == 'bool':
                @staticmethod
                def _to_ctypes(x):
                    if not isinstance(x, (int, long)):
                        if isinstance(x, CTypesData):
                            x = int(x)
                        else:
                            raise TypeError("integer expected, got %s" %
                                            type(x).__name__)
                    if ctype(x).value != x:
                        if not is_signed and x < 0:
                            raise OverflowError("%s: negative integer" % name)
                        else:
                            raise OverflowError("%s: integer out of bounds"
                                                % name)
                    return x

            if kind == 'char':
                @staticmethod
                def _to_ctypes(x):
                    if isinstance(x, bytes) and len(x) == 1:
                        return x
                    if isinstance(x, CTypesPrimitive):    # <CData <char>>
                        return x._value
                    raise TypeError("character expected, got %s" %
                                    type(x).__name__)

            if kind == 'float':
                @staticmethod
                def _to_ctypes(x):
                    if not isinstance(x, (int, long, float, CTypesData)):
                        raise TypeError("float expected, got %s" %
                                        type(x).__name__)
                    return ctype(x).value

            @staticmethod
            def _from_ctypes(value):
                return getattr(value, 'value', value)

            @staticmethod
            def _initialize(blob, init):
                blob.value = CTypesPrimitive._to_ctypes(init)

            if kind == 'char':
                def _to_string(self, maxlen):
                    return self._value
            if kind == 'byte':
                def _to_string(self, maxlen):
                    return chr(self._value & 0xff)
        #
        CTypesPrimitive._fix_class()
        return CTypesPrimitive
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/cffi-1.5.2/cffi/backend_ctypes.py/CTypesBackend.new_primitive_type/swapped operands of `in`