1# Copyright (C) 2008-2023 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file is part of the GDB testsuite. It tests python pretty 17# printers. 18 19import gdb 20 21saved_options = {} 22 23 24class PointPrinter(object): 25 def __init__(self, val): 26 self.val = val 27 28 def to_string(self): 29 global saved_options 30 saved_options = gdb.print_options() 31 if saved_options["summary"]: 32 return "No Data" 33 return "Pretty Point (%s, %s)" % (self.val["x"], self.val["y"]) 34 35 36def test_lookup_function(val): 37 "Look-up and return a pretty-printer that can print val." 38 39 # Get the type. 40 type = val.type 41 42 # If it points to a reference, get the reference. 43 if type.code == gdb.TYPE_CODE_REF: 44 type = type.target() 45 46 # Get the unqualified type, stripped of typedefs. 47 type = type.unqualified().strip_typedefs() 48 49 # Get the type name. 50 typename = type.tag 51 52 if typename == "point": 53 return PointPrinter(val) 54 55 return None 56 57 58gdb.pretty_printers.append(test_lookup_function) 59