1 # Type printer commands.
2 # Copyright (C) 2010-2013 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 """GDB commands for working with type-printers."""
22 class InfoTypePrinter(gdb.Command):
23 """GDB command to list all registered type-printers.
25 Usage: info type-printers
29 super(InfoTypePrinter, self).__init__("info type-printers",
32 def list_type_printers(self, type_printers):
33 """Print a list of type printers."""
34 # A potential enhancement is to provide an option to list printers in
35 # "lookup order" (i.e. unsorted).
36 sorted_type_printers = sorted (copy.copy(type_printers),
37 key = lambda x: x.name)
38 for printer in sorted_type_printers:
42 enabled = " [disabled]"
43 print (" %s%s" % (printer.name, enabled))
45 def invoke(self, arg, from_tty):
46 """GDB calls this to perform the command."""
48 for objfile in gdb.objfiles():
49 if objfile.type_printers:
50 print ("%sType printers for %s:" % (sep, objfile.name))
51 self.list_type_printers(objfile.type_printers)
53 if gdb.current_progspace().type_printers:
54 print ("%sType printers for program space:" % sep)
55 self.list_type_printers(gdb.current_progspace().type_printers)
58 print ("%sGlobal type printers:" % sep)
59 self.list_type_printers(gdb.type_printers)
61 class _EnableOrDisableCommand(gdb.Command):
62 def __init__(self, setting, name):
63 super(_EnableOrDisableCommand, self).__init__(name, gdb.COMMAND_DATA)
64 self.setting = setting
66 def set_some(self, name, printers):
70 p.enabled = self.setting
74 def invoke(self, arg, from_tty):
75 """GDB calls this to perform the command."""
76 for name in arg.split():
78 for objfile in gdb.objfiles():
79 if self.set_some(name, objfile.type_printers):
81 if self.set_some(name, gdb.current_progspace().type_printers):
83 if self.set_some(name, gdb.type_printers):
86 print ("No type printer named '%s'" % name)
88 def add_some(self, result, word, printers):
90 if p.name.startswith(word):
93 def complete(self, text, word):
95 for objfile in gdb.objfiles():
96 self.add_some(result, word, objfile.type_printers)
97 self.add_some(result, word, gdb.current_progspace().type_printers)
98 self.add_some(result, word, gdb.type_printers)
101 class EnableTypePrinter(_EnableOrDisableCommand):
102 """GDB command to enable the specified type printer.
104 Usage: enable type-printer NAME
106 NAME is the name of the type-printer.
110 super(EnableTypePrinter, self).__init__(True, "enable type-printer")
112 class DisableTypePrinter(_EnableOrDisableCommand):
113 """GDB command to disable the specified type-printer.
115 Usage: disable type-printer NAME
117 NAME is the name of the type-printer.
121 super(DisableTypePrinter, self).__init__(False, "disable type-printer")