# Alias command.
# Copyright (C) 2008 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import gdb
class AliasImplementation (gdb.Command):
def __init__ (self, name, real, doc):
# Have to set __doc__ before the super init call.
# It would be nice if gdb's help looked up __doc__ dynamically.
self.__doc__ = doc
# Note: no good way to complete :(
super (AliasImplementation, self).__init__ (name, gdb.COMMAND_NONE)
self.real = real
def invoke(self, arg, from_tty):
gdb.execute (self.real + ' ' + arg, from_tty)
class AliasCommand (gdb.Command):
"""Alias one command to another.
In the simplest form, the first word is the name of the alias, and
the remaining words are the the expansion.
An '=' by itself can be used to define a multi-word alias; words
before the '=' are the name of the new command."""
def __init__ (self):
# Completion is not quite right here.
super (AliasCommand, self).__init__ ("alias", gdb.COMMAND_NONE,
gdb.COMPLETE_COMMAND)
def invoke (self, arg, from_tty):
self.dont_repeat ()
# Without some form of quoting we can't alias a multi-word
# command to another command.
args = arg.split()
try:
start = args.index ('=')
end = start + 1
except ValueError:
start = 1
end = 1
target = " ".join(args[end:])
AliasImplementation (" ".join (args[0:start]), target,
"This command is an alias for '%s'." % target)
AliasCommand()
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