Ben Cheng | d9735fc | 2013-08-22 22:10:54 -0700 | [diff] [blame] | 1 | # Extended prompt. |
| 2 | # Copyright (C) 2011-2013 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 | |
| 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 '': |
| 61 | newprompt = gdb.prompt.substitute_prompt(self.value) |
| 62 | return newprompt.replace('\\', '\\\\') |
| 63 | else: |
| 64 | return None |
| 65 | |
| 66 | _ExtendedPrompt() |