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fa3a4f15 | 1 | # Extended prompt. |
42a4f53d | 2 | # Copyright (C) 2011-2019 Free Software Foundation, Inc. |
fa3a4f15 PM |
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 | ||
19 | import gdb | |
20 | import gdb.prompt | |
21 | ||
22 | class _ExtendedPrompt(gdb.Parameter): | |
23 | ||
24 | """Set the extended prompt. | |
25 | ||
26 | Usage: set extended-prompt VALUE | |
27 | ||
28 | Substitutions are applied to VALUE to compute the real prompt. | |
29 | ||
30 | The currently defined substitutions are: | |
31 | ||
32 | """ | |
33 | # Add the prompt library's dynamically generated help to the | |
34 | # __doc__ string. | |
35 | __doc__ = __doc__ + 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__("extended-prompt", | |
42 | gdb.COMMAND_SUPPORT, | |
43 | gdb.PARAM_STRING_NOESCAPE) | |
44 | self.value = '' | |
45 | self.hook_set = False | |
46 | ||
47 | def get_show_string (self, pvalue): | |
48 | if self.value is not '': | |
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 == False: | |
55 | gdb.prompt_hook = self.before_prompt_hook | |
56 | self.hook_set = True | |
57 | return "" | |
58 | ||
59 | def before_prompt_hook(self, current): | |
60 | if self.value is not '': | |
6427bef6 | 61 | return gdb.prompt.substitute_prompt(self.value) |
fa3a4f15 PM |
62 | else: |
63 | return None | |
64 | ||
65 | _ExtendedPrompt() |