| # Copyright (C) 2013-2021 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 re |
| import gdb |
| |
| |
| class pp_s(object): |
| def __init__(self, val): |
| self.val = val |
| |
| def to_string(self): |
| m = self.val["m"] |
| return "m=<" + str(self.val["m"]) + ">" |
| |
| |
| class pp_ss(object): |
| def __init__(self, val): |
| self.val = val |
| |
| def to_string(self): |
| return "super struct" |
| |
| def children(self): |
| yield "a", self.val["a"] |
| yield "b", self.val["b"] |
| |
| |
| def lookup_function(val): |
| "Look-up and return a pretty-printer that can print val." |
| |
| # Get the type. |
| type = val.type |
| |
| # If it points to a reference, get the reference. |
| if type.code == gdb.TYPE_CODE_REF: |
| type = type.target() |
| |
| # Get the unqualified type, stripped of typedefs. |
| type = type.unqualified().strip_typedefs() |
| |
| # Get the type name. |
| typename = type.tag |
| if typename is None: |
| return None |
| |
| # Iterate over local dictionary of types to determine |
| # if a printer is registered for that type. Return an |
| # instantiation of the printer if found. |
| for function in pretty_printers_dict: |
| if function.match(typename): |
| return pretty_printers_dict[function](val) |
| |
| # Cannot find a pretty printer. Return None. |
| return None |
| |
| |
| def register_pretty_printers(): |
| pretty_printers_dict[re.compile("^s$")] = pp_s |
| pretty_printers_dict[re.compile("^ss$")] = pp_ss |
| |
| |
| pretty_printers_dict = {} |
| |
| register_pretty_printers() |
| gdb.pretty_printers.append(lookup_function) |