1# Copyright (C) 2008-2020 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 21class PointPrinter (object): 22 def __init__ (self, val): 23 self.val = val 24 25 def to_string (self): 26 return 'Pretty Point (%s, %s)' % (self.val['x'], self.val['y']) 27 28def test_lookup_function (val): 29 "Look-up and return a pretty-printer that can print val." 30 31 # Get the type. 32 type = val.type 33 34 # If it points to a reference, get the reference. 35 if type.code == gdb.TYPE_CODE_REF: 36 type = type.target () 37 38 # Get the unqualified type, stripped of typedefs. 39 type = type.unqualified ().strip_typedefs () 40 41 # Get the type name. 42 typename = type.tag 43 44 if typename == 'point': 45 return PointPrinter (val) 46 47 return None 48 49gdb.pretty_printers.append (test_lookup_function) 50