'Add a new typedef name (ie a TYPEID) to the current scope'

def _add_typedef_name(self, name, coord):

    if (not self._scope_stack[(-1)].get(name, True)):
        self._parse_error(('Typedef    %r    previously    declared    as    non-typedef    in    this    scope' % name), coord)
    self._scope_stack[(-1)][name] = True
