def method_wrapper(self, act_as_func_def: FuncDef,
target_func_def: FuncDef, is_dynamic: bool,
is_wrapper_class: bool) -> FuncDef:
"""Construct a method wrapper.
It acts as a specific method (with the same signature), coerces
arguments, calls the target method and finally coerces the return
value.
"""
is_override = act_as_func_def.info != target_func_def.info
# Determine suffixes.
target_suffix = self.tf.type_suffix(target_func_def)
wrapper_suffix = self.get_wrapper_suffix(act_as_func_def, is_dynamic)
# Determine function signatures.
target_sig = self.get_target_sig(act_as_func_def, target_func_def,
is_dynamic, is_wrapper_class)
wrapper_sig = self.get_wrapper_sig(act_as_func_def, is_dynamic)
call_sig = self.get_call_sig(act_as_func_def, target_func_def.info,
is_dynamic, is_wrapper_class, is_override)
if is_wrapper_class:
bound_sig = cast(Callable,
translate_type_vars_to_bound_vars(target_sig))
else:
bound_sig = None
call_stmt = self.call_wrapper(act_as_func_def, is_dynamic,
is_wrapper_class, target_sig, call_sig,
target_suffix, bound_sig)
wrapper_args = self.get_wrapper_args(act_as_func_def, is_dynamic)
wrapper_func_def = FuncDef(act_as_func_def.name() + wrapper_suffix,
wrapper_args,
act_as_func_def.arg_kinds,
[None] * len(wrapper_args),
Block([call_stmt]),
wrapper_sig)
self.tf.add_line_mapping(target_func_def, wrapper_func_def)
if is_wrapper_class and not is_dynamic:
self.tf.prepend_generic_function_tvar_args(wrapper_func_def)
return wrapper_func_def
"""
is_override = act_as_func_def.info != target_func_def.info
# Determine suffixes.
target_suffix = self.tf.type_suffix(target_func_def)
wrapper_suffix = self.get_wrapper_suffix(act_as_func_def, is_dynamic)
# Determine function signatures.
target_sig = self.get_target_sig(act_as_func_def, target_func_def,
is_dynamic, is_wrapper_class)
wrapper_sig = self.get_wrapper_sig(act_as_func_def, is_dynamic)
call_sig = self.get_call_sig(act_as_func_def, target_func_def.info,
is_dynamic, is_wrapper_class, is_override)
if is_wrapper_class:
bound_sig = (Callable)translate_type_vars_to_bound_vars(target_sig)
else:
bound_sig = None
call_stmt = self.call_wrapper(act_as_func_def, is_dynamic,
is_wrapper_class, target_sig, call_sig,
target_suffix, bound_sig)
wrapper_args = self.get_wrapper_args(act_as_func_def, is_dynamic)
wrapper_func_def = FuncDef(act_as_func_def.name() + wrapper_suffix,
wrapper_args,
act_as_func_def.arg_kinds,
<Node> [None] * len(wrapper_args),
Block([call_stmt]),
wrapper_sig)
