def call_signatures(self):
"""
Return the function object of the call you're currently in.
E.g. if the cursor is here::
abs(# <-- cursor is here
This would return the ``abs`` function. On the other hand::
abs()# <-- cursor is here
This would return ``None``.
:rtype: list of :class:`api_classes.CallDef`
"""
call, index = self._func_call_and_param_index()
if call is None:
return []
user_stmt = self._user_stmt()
with common.scale_speed_settings(settings.scale_call_signatures):
_callable = lambda: evaluate.follow_call(call)
origins = cache.cache_call_signatures(_callable, user_stmt)
debug.speed('func_call followed')
return [
api_classes.CallDef(o, index, call) for o in origins
if o.isinstance(er.Function, er.Instance, er.Class)
]
def get_in_function_call(self):
"""
Return the function, that the cursor is in, e.g.:
>>> isinstance(| # | <-- cursor is here
This would return the `isinstance` function. In contrary:
>>> isinstance()| # | <-- cursor is here
This would return `None`.
"""
def check_user_stmt(user_stmt):
if user_stmt is None \
or not isinstance(user_stmt, parsing.Statement):
return None, 0
ass = helpers.fast_parent_copy(user_stmt.get_assignment_calls())
call, index, stop = helpers.scan_array_for_pos(ass, self.pos)
return call, index
def check_cache():
""" Do the parsing with a part parser, therefore reduce ressource
costs.
TODO this is not working with multi-line docstrings, improve.
"""
if self.source_path is None:
return None, 0
try:
timestamp, parser = builtin.CachedModule.cache[
self.source_path]
except KeyError:
return None, 0
part_parser = self.module.get_part_parser()
user_stmt = part_parser.user_stmt
call, index = check_user_stmt(user_stmt)
if call:
old_stmt = parser.module.get_statement_for_position(self.pos)
if old_stmt is None:
return None, 0
old_call, old_index = check_user_stmt(old_stmt)
if old_call:
# compare repr because that should definitely be the same.
# Otherwise the whole thing is out of sync.
if repr(old_call) == repr(call):
# return the index of the part_parser
return old_call, index
return None, 0
else:
raise NotFoundError()
debug.speed('func_call start')
try:
call, index = check_cache()
except NotFoundError:
return None
debug.speed('func_call parsed')
if call is None:
# This is a backup, if the above is not successful.
user_stmt = self.parser.user_stmt
call, index = check_user_stmt(user_stmt)
if call is None:
return None
debug.speed('func_call user_stmt')
with helpers.scale_speed_settings(settings.scale_get_in_function_call):
origins = evaluate.follow_call(call)
debug.speed('func_call followed')
if len(origins) == 0:
return None
# just take entry zero, because we need just one.
executable = origins[0]
return api_classes.CallDef(executable, index, call)
def get_in_function_call(self):
"""
Return the function object of the call you're currently in.
E.g. if the cursor is here::
>>> abs(# <-- cursor is here
This would return the ``abs`` function. On the other hand::
>>> abs()# <-- cursor is here
This would return ``None``.
:rtype: :class:`api_classes.CallDef`
"""
def check_user_stmt(user_stmt):
if user_stmt is None \
or not isinstance(user_stmt, parsing.Statement):
return None, 0
ass = helpers.fast_parent_copy(user_stmt.get_assignment_calls())
call, index, stop = helpers.search_function_call(ass, self.pos)
return call, index
def check_cache():
""" Do the parsing with a part parser, therefore reduce ressource
costs.
TODO this is not working with multi-line docstrings, improve.
"""
if self.source_path is None:
return None, 0
try:
parser = cache.parser_cache[self.source_path].parser
except KeyError:
return None, 0
part_parser = self._module.get_part_parser()
user_stmt = part_parser.user_stmt
call, index = check_user_stmt(user_stmt)
if call:
old_stmt = parser.module.get_statement_for_position(self.pos)
if old_stmt is None:
return None, 0
old_call, old_index = check_user_stmt(old_stmt)
if old_call:
# compare repr because that should definitely be the same.
# Otherwise the whole thing is out of sync.
if repr(old_call) == repr(call):
# return the index of the part_parser
return old_call, index
return None, 0
else:
raise NotFoundError()
debug.speed('func_call start')
call = None
if settings.use_get_in_function_call_cache:
try:
call, index = check_cache()
except NotFoundError:
return None
user_stmt = self._parser.user_stmt
if call is None:
# This is a backup, if the above is not successful.
call, index = check_user_stmt(user_stmt)
if call is None:
return None
debug.speed('func_call parsed')
with common.scale_speed_settings(settings.scale_get_in_function_call):
_callable = lambda: evaluate.follow_call(call)
origins = cache.cache_get_in_function_call(_callable, user_stmt)
debug.speed('func_call followed')
if len(origins) == 0:
return None
# just take entry zero, because we need just one.
executable = origins[0]
return api_classes.CallDef(executable, index, call)