1# Copyright (C) 2010-2020 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 re 20import gdb.types 21import gdb.printing 22 23 24def lookup_function_lookup_test(val): 25 class PrintFunctionLookup(object): 26 def __init__(self, val): 27 self.val = val 28 29 def to_string(self): 30 return ("x=<" + str(self.val["x"]) + 31 "> y=<" + str(self.val["y"]) + ">") 32 33 typename = gdb.types.get_basic_type(val.type).tag 34 # Note: typename could be None. 35 if typename == "function_lookup_test": 36 return PrintFunctionLookup(val) 37 return None 38 39 40class pp_s (object): 41 def __init__(self, val): 42 self.val = val 43 44 def to_string(self): 45 a = self.val["a"] 46 b = self.val["b"] 47 if a.address != b: 48 raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b))) 49 return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" 50 51 52class pp_ss (object): 53 def __init__(self, val): 54 self.val = val 55 56 def to_string(self): 57 return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" 58 59 60def build_pretty_printer(): 61 pp = gdb.printing.RegexpCollectionPrettyPrinter("pp-test") 62 63 pp.add_printer('struct s', '^struct s$', pp_s) 64 pp.add_printer('s', '^s$', pp_s) 65 66 # Use a lambda this time to exercise doing things this way. 67 pp.add_printer('struct ss', '^struct ss$', lambda val: pp_ss(val)) 68 pp.add_printer('ss', '^ss$', lambda val: pp_ss(val)) 69 70 pp.add_printer('enum flag_enum', '^flag_enum$', 71 gdb.printing.FlagEnumerationPrinter('enum flag_enum')) 72 73 return pp 74 75 76gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test) 77my_pretty_printer = build_pretty_printer() 78gdb.printing.register_pretty_printer(gdb, my_pretty_printer) 79