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Refactor subcommands

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- index commands inherit from a parent class.
This commit is contained in:
Dhananjay Balan
2013-08-21 18:12:36 +05:30
committed by Chris Johns
parent d4fc2d5e54
commit ddbc5306fa
1 changed files with 34 additions and 54 deletions
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88
tools/gdb/python/rtems.py
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@@ -65,16 +65,20 @@ class rtems_object(gdb.Command):
object.show(from_tty) object.show(from_tty)
objects.information.invalidate() objects.information.invalidate()
class rtems_semaphore(gdb.Command): class rtems_index(gdb.Command):
'''Semaphore subcommand for rtems''' '''Print object by index'''
api = 'classic' api = 'classic'
_class = 'semaphores' _class = ''
def __init__(self): def __init__(self,command):
self.__doc__ = 'Display the RTEMS semaphores by index' super(rtems_index, self).__init__( command,
super(rtems_semaphore, self).__init__( 'rtems semaphore', gdb.COMMAND_DATA,
gdb.COMMAND_DATA, gdb.COMPLETE_NONE ) gdb.COMPLETE_NONE)
def instance(self,obj):
'''Returns a n instance of corresponding object, the child should extend this'''
return obj
def invoke(self, arg, from_tty): def invoke(self, arg, from_tty):
for val in arg.split(): for val in arg.split():
@@ -91,68 +95,44 @@ class rtems_semaphore(gdb.Command):
print "error: index %s is invalid" % (index) print "error: index %s is invalid" % (index)
return return
instance = classic.semaphore(obj) instance = self.instance(obj)
instance.show(from_tty) instance.show(from_tty)
objects.information.invalidate() objects.information.invalidate()
class rtems_task(gdb.Command):
class rtems_semaphore(rtems_index):
'''semaphore subcommand'''
_class = 'semaphores'
def __init__(self):
self.__doc__ = 'Display RTEMS semaphore(s) by index(es)'
super(rtems_semaphore, self).__init__('rtems semaphore')
def instance(self,obj):
return classic.semaphore(obj)
class rtems_task(rtems_index):
'''tasks subcommand for rtems''' '''tasks subcommand for rtems'''
api = 'classic'
_class = 'tasks' _class = 'tasks'
def __init__(self): def __init__(self):
self.__doc__ = 'Display the RTEMS tasks by index(s)' self.__doc__ = 'Display RTEMS task(s) by index(es)'
super(rtems_task,self).__init__('rtems task', super(rtems_task,self).__init__('rtems task')
gdb.COMMAND_DATA, gdb.COMPLETE_NONE)
def invoke(self, arg, from_tty): def instance(self,obj):
for val in arg.split(): return classic.task(obj)
try:
index = int(val)
except ValueError:
raise gdb.GdbError( "Value is not an integer")
try:
obj = objects.information.object_return(self.api,
self._class,
index).dereference()
except IndexError:
print "error: index %s is invalid" % (index)
return
instance = classic.task(obj) class rtems_message_queue(rtems_index):
instance.show(from_tty)
objects.information.invalidate()
class rtems_message_queue(gdb.Command):
'''Message Queue subcommand''' '''Message Queue subcommand'''
api = 'classic'
_class = 'message_queues' _class = 'message_queues'
def __init__(self): def __init__(self):
self.__doc__ = 'Display the RTEMS message_queue by index(s)' self.__doc__ = 'Display RTEMS message_queue(s) by index(es)'
super(rtems_message_queue,self).__init__('rtems mqueue', super(rtems_message_queue,self).__init__('rtems mqueue')
gdb.COMMAND_DATA,
gdb.COMPLETE_NONE)
def invoke(self, arg, from_tty): def instance(self,obj):
for val in arg.split(): return classic.message_queue(obj)
try:
index = int(val)
except ValueError:
print "error: %s is not an index" % (val)
return
try:
obj = objects.information.object_return(self.api,
self._class,
index).dereference()
except IndexError:
print "error: index %s is invalid" % (index)
return
instance = classic.message_queue(obj)
instance.show(from_tty)
objects.information.invalidate()