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b6484282f8
The 'is' operator is not meant to be used for comparisons. It currently working is an implementation detail of CPython. CPython 3.8 has added a SyntaxWarning for this.
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# Extended prompt.
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# Copyright (C) 2011-2019 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""GDB command for working with extended prompts."""
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import gdb
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import gdb.prompt
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class _ExtendedPrompt(gdb.Parameter):
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"""Set the extended prompt.
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Usage: set extended-prompt VALUE
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Substitutions are applied to VALUE to compute the real prompt.
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The currently defined substitutions are:
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"""
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# Add the prompt library's dynamically generated help to the
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# __doc__ string.
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__doc__ = __doc__ + gdb.prompt.prompt_help()
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set_doc = "Set the extended prompt."
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show_doc = "Show the extended prompt."
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def __init__(self):
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super(_ExtendedPrompt, self).__init__("extended-prompt",
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gdb.COMMAND_SUPPORT,
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gdb.PARAM_STRING_NOESCAPE)
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self.value = ''
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self.hook_set = False
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def get_show_string (self, pvalue):
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if self.value:
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return "The extended prompt is: " + self.value
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else:
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return "The extended prompt is not set."
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def get_set_string (self):
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if self.hook_set == False:
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gdb.prompt_hook = self.before_prompt_hook
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self.hook_set = True
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return ""
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def before_prompt_hook(self, current):
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if self.value:
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return gdb.prompt.substitute_prompt(self.value)
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else:
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return None
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_ExtendedPrompt()
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