def save(self):
"""
Function which allow to save the change made to the local variable
inside the idb. This is necessary because by default the change
made to a lvar using the IDA interface only change the object in
memory and not its content.
This function is called by default by the setters of this object
if the ``_persistent`` property is at True (the default). It
should not be necessary to call this directly.
.. todo:: this should probably set the flags to ? flags are not
directly accessible through the the lvar object from IDAPython
rigth now...
"""
# object needed for containing the information to save about the lvar
lsi = lvar_saved_info_t()
# set everything which need to be save
lsi.ll = self._lvar
lsi.name = self.name
lsi.type = self._lvar.tif
lsi.size = self.size
lsi.cmt = self.comment
# create the object which is used for saving in the idb
lvuv = lvar_uservec_t()
# get the info from the previously modify lvar
restore_user_lvar_settings(lvuv, self._hxcfunc.ea)
if not lvuv.lvvec.add_unique(lsi): # adding this var to save
# this is actually not an error but simply means the lvar
# was already at the same state
return
# saving in the idb
save_user_lvar_settings(self._hxcfunc.ea, lvuv)
def _get_lvar_saved_info(dct):
lv = ida_hexrays.lvar_saved_info_t()
lv.ll = UserLvarSettingsEvent._get_lvar_locator(dct['ll'])
lv.name = Event.encode(dct['name'])
lv.type = UserLvarSettingsEvent._get_tinfo(dct['type'])
lv.cmt = Event.encode(dct['cmt'])
lv.flags = dct['flags']
return lv
def _get_lvar_saved_info(dct):
lv = ida_hexrays.lvar_saved_info_t()
lv.ll = UserLvarSettingsEvent._get_lvar_locator(dct["ll"])
lv.name = dct["name"]
lv.type = UserLvarSettingsEvent._get_tinfo(dct["type"])
lv.cmt = dct["cmt"]
lv.flags = dct["flags"]
return lv
def _getLvarSavedInfo(dct):
lv = ida_hexrays.lvar_saved_info_t()
lv.ll = UserLvarSettingsEvent._getLvarLocator(dct['ll'])
lv.name = dct['name']
lv.type = UserLvarSettingsEvent._getTinfo(dct['type'])
lv.cmt = dct['cmt']
lv.flags = dct['flags']
return lv
def ChangeVariableType(func_ea, lvar, tif):
lsi = ida_hexrays.lvar_saved_info_t()
lsi.ll = lvar
lsi.type = ida_typeinf.tinfo_t(tif)
if not ida_hexrays.modify_user_lvar_info(func_ea, ida_hexrays.MLI_TYPE,
lsi):
ida_kernwin.warning("Could not modify lvar type for %s" % lvar.name)
return False
return True
def _to_saved_info(self):
"""
Internal function for interface with IDA. This function return
an ``ida_hexrays.lvar_saved_info_t`` object corresponding to this
variable.
"""
# object needed for containing the information to save about the lvar
lsi = lvar_saved_info_t()
# set everything which need to be save
lsi.ll = self._lvar
lsi.name = self.name
lsi.type = self._lvar.tif
lsi.size = self.size
lsi.cmt = self.comment
return lsi
