1# Copyright (C) 2010-2023 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 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"]) + "> y=<" + str(self.val["y"]) + ">" 31 32 typename = gdb.types.get_basic_type(val.type).tag 33 # Note: typename could be None. 34 if typename == "function_lookup_test": 35 return PrintFunctionLookup(val) 36 return None 37 38 39class pp_s(object): 40 def __init__(self, val): 41 self.val = val 42 43 def to_string(self): 44 a = self.val["a"] 45 b = self.val["b"] 46 if a.address != b: 47 raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b))) 48 return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" 49 50 51class pp_ss(object): 52 def __init__(self, val): 53 self.val = val 54 55 def to_string(self): 56 return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" 57 58 59def build_pretty_printer(): 60 pp = gdb.printing.RegexpCollectionPrettyPrinter("pp-test") 61 62 pp.add_printer("struct s", "^struct s$", pp_s) 63 pp.add_printer("s", "^s$", pp_s) 64 65 # Use a lambda this time to exercise doing things this way. 66 pp.add_printer("struct ss", "^struct ss$", lambda val: pp_ss(val)) 67 pp.add_printer("ss", "^ss$", lambda val: pp_ss(val)) 68 69 pp.add_printer( 70 "enum flag_enum", 71 "^flag_enum$", 72 gdb.printing.FlagEnumerationPrinter("enum flag_enum"), 73 ) 74 75 return pp 76 77 78gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test) 79my_pretty_printer = build_pretty_printer() 80gdb.printing.register_pretty_printer(gdb, my_pretty_printer) 81