| # Copyright (C) 2018-2024 Free Software Foundation, Inc. | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 3 of the License, or | |
| # (at your option) any later version. | |
| # | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| import sys | |
| import gdb | |
| import gdb.types | |
| class cons_pp(object): | |
| def __init__(self, val): | |
| self._val = val | |
| def to_string(self): | |
| if int(self._val) == 0: | |
| return "nil" | |
| elif int(self._val["type"]) == 0: | |
| return "( . )" | |
| else: | |
| return "%d" % self._val["atom"]["ival"] | |
| def children(self): | |
| if int(self._val) == 0: | |
| return [] | |
| elif int(self._val["type"]) == 0: | |
| return [("atom", self._val["atom"])] | |
| else: | |
| return [ | |
| ("car", self._val["slots"][0]), | |
| ("cdr", self._val["slots"][1]), | |
| ] | |
| def cons_pp_lookup(val): | |
| if str(val.type) == "struct cons *": | |
| return cons_pp(val) | |
| else: | |
| return None | |
| del gdb.pretty_printers[1:] | |
| gdb.pretty_printers.append(cons_pp_lookup) |