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prompt.py
Go to the documentation of this file.
1# Extended prompt.
2# Copyright (C) 2011-2023 Free Software Foundation, Inc.
3
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.
8#
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.
13#
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/>.
16
17"""GDB command for working with extended prompts."""
18
19import gdb
20import gdb.prompt
21
22
23class _ExtendedPrompt(gdb.Parameter):
24
25 """Set the extended prompt.
26
27 Usage: set extended-prompt VALUE
28
29 Substitutions are applied to VALUE to compute the real prompt.
30
31 The currently defined substitutions are:"""
32
33 # Add the prompt library's dynamically generated help to the
34 # __doc__ string.
35 __doc__ = __doc__ + "\n" + gdb.prompt.prompt_help()
36
37 set_doc = "Set the extended prompt."
38 show_doc = "Show the extended prompt."
39
40 def __init__(self):
41 super(_ExtendedPrompt, self).__init__(
42 "extended-prompt", gdb.COMMAND_SUPPORT, gdb.PARAM_STRING_NOESCAPE
43 )
44 self.value = ""
45 self.hook_set = False
46
47 def get_show_string(self, pvalue):
48 if self.value:
49 return "The extended prompt is: " + self.value
50 else:
51 return "The extended prompt is not set."
52
53 def get_set_string(self):
54 if self.hook_set is False:
55 gdb.prompt_hook = self.before_prompt_hookbefore_prompt_hook
56 self.hook_set = True
57 return ""
58
59 def before_prompt_hook(self, current):
60 if self.value:
62 else:
63 return None
64
65
before_prompt_hook(self, current)
Definition prompt.py:59
substitute_prompt(prompt)
Definition prompt.py:125
prompt_help()
Definition prompt.py:110