Finds the name of the module and retrieves it from the parser cache.

def _get_module(self, line):
        """Finds the name of the module and retrieves it from the parser cache."""
        #Finding the module name is trivial; start at the beginning of
        #the module and iterate lines until we find the module.
        for sline in self._source:
            if len(sline) > 0 and sline[0] != "!":
                rmatch = self.RE_MODULE.match(sline)
                if rmatch is not None:
                    self.modulename = rmatch.group("name")
                    break
        else:
            #We don't even have the start of a module in this code file
            return
            
        #Before we carry on with the rest of the context, find the separating
        #CONTAINS keyword so we know whether to look for types or subs/funcs.
        #If the code parser hasn't ever parsed this module, parse it now.
        self.parser.isense_parse(self._orig_path, self.modulename)
        self.module = self.parser.modules[self.modulename]

        if line > self.module.contains_index:
            self.section = "contains"