How to use cleanups method in localstack

Best Python code snippet using localstack_python

cleanup_check.py

Source:cleanup_check.py

...251            return252        # Now propagate to successor nodes.253        for edge in bb.succs:254            self.traverse_bbs(edge, edge.dest, bb.index, master_cleanup)255    def check_cleanups(self):256        if not self.fun.cfg or not self.fun.decl:257            return 'ignored'258        if is_destructor(self.fun.decl):259            return 'destructor'260        if needs_special_treatment(self.fun.decl):261            return 'special'262        self.is_constructor = is_constructor(self.fun.decl)263        self.is_special_constructor = not self.is_constructor and str(self.fun.decl.name).find('with_cleanup') > -1264        # Yuck.265        if str(self.fun.decl.name) == 'gdb_xml_create_parser_and_cleanup_1':266            self.is_special_constructor = True267        if self.is_special_constructor:268            gcc.inform(self.fun.start, 'function %s is a special constructor' % (self.fun.decl.name))269        # If we only see do_cleanups calls, and this function is not270        # itself a constructor, then we can convert it easily to RAII.271        self.only_do_cleanups_seen = not self.is_constructor272        # If we ever call a constructor, then we are "cleanup-aware".273        self.cleanup_aware = False274        entry_bb = self.fun.cfg.entry275        master_cleanup = MasterCleanup()276        self.traverse_bbs(None, entry_bb, -1, master_cleanup)277        if want_raii_info and self.only_do_cleanups_seen and self.cleanup_aware:278            gcc.inform(self.fun.decl.location,279                       'function %s could be converted to RAII' % (self.fun.decl.name))280        if self.is_constructor:281            return 'constructor'282        return 'OK'283class CheckerPass(gcc.GimplePass):284    def execute(self, fun):285        if fun.decl:286            log("Starting " + fun.decl.name)287            if show_cfg:288                dot = gccutils.cfg_to_dot(fun.cfg, fun.decl.name)289                gccutils.invoke_dot(dot, name=fun.decl.name)290        checker = CleanupChecker(fun)291        what = checker.check_cleanups()292        if fun.decl:293            log(fun.decl.name + ': ' + what, 2)294ps = CheckerPass(name = 'check-cleanups')295# We need the cfg, but we want a relatively high-level Gimple....

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