obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
if (!no_lines_flag)
obstack_fgrow2 (&guard_obstack, "#line %d %s\n",
obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
if (!no_lines_flag)
obstack_fgrow2 (&guard_obstack, "#line %d %s\n",