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# Copyright (C) 2022-2024 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 gdb
class EmptyPrinter(gdb.ValuePrinter):
"""Pretty print a structure"""
def __init__(self, val):
self._val = val
def to_string(self):
return "empty"
class FullPrinter(gdb.ValuePrinter):
"""Pretty print a structure"""
def __init__(self, val):
self._val = val
def to_string(self):
return "full"
def children(self):
# This is used to test the renaming code.
yield "datum", self._val["datum"]
yield "datum", self._val["datum"]
def lookup_function(val):
if val.type.tag == "special_type":
if val["disc"] == 0:
return EmptyPrinter(val)
else:
return FullPrinter(val)
return None
gdb.pretty_printers.append(lookup_function)
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