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# Copyright (C) 2013-2023 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)
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