def _gsm(self):
        try:
            return self._memo['_gsm']
        except __HOLE__:
            pass

        result = {}

        try:
            scanners = self._dict['SCANNERS']
        except KeyError:
            pass
        else:
            # Reverse the scanner list so that, if multiple scanners
            # claim they can scan the same suffix, earlier scanners
            # in the list will overwrite later scanners, so that
            # the result looks like a "first match" to the user.
            if not SCons.Util.is_List(scanners):
                scanners = [scanners]
            else:
                scanners = scanners[:] # copy so reverse() doesn't mod original
            scanners.reverse()
            for scanner in scanners:
                for k in scanner.get_skeys(self):
                    if k and self['PLATFORM'] == 'win32':
                        k = k.lower()
                    result[k] = scanner

        self._memo['_gsm'] = result

        return result
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Environment.py/Base._gsm