def flag_instantiatable_class(dependency_tree, main_classes):
"""determine if the class can be instantiated"""
main_classes_by_name_namespace = {make_namespace_class(c["namespace"], c["name"]): c
for classes in main_classes.values() for c in classes}
for module, header_name in main_classes:
for class_ in main_classes[(module, header_name)]:
can_be_instantiated = True
if class_["abstract"]:
can_be_instantiated = False
else:
# check if any pure virtual method is not implemented
all_implemented_inherited_methods = get_all_class_methods_not_pure_virtual(class_)
namespace_class = make_namespace_class(class_["namespace"], class_["name"])
for base_name_nsp in dependency_tree.breadth_first_iterator(namespace_class):
base_class = main_classes_by_name_namespace.get(base_name_nsp)
if base_class:
base_class_methods = get_all_class_methods_not_pure_virtual(base_class)
all_implemented_inherited_methods.update(base_class_methods)
for base_name_nsp in dependency_tree.breadth_first_iterator(namespace_class):
base_class = main_classes_by_name_namespace.get(base_name_nsp)
if base_class and base_class["abstract"]:
base_pure_virtual_methods = get_pure_virtual_methods(base_class)
if base_pure_virtual_methods - all_implemented_inherited_methods:
can_be_instantiated = False
class_["can_be_instantiated"] = can_be_instantiated
def flag_instantiatable_class(dependency_tree, main_classes):
# determine if the class can be instantiated
main_classes_by_name_namespace = {
make_namespace_class(c["namespace"], c["name"]): c
for classes in main_classes.values() for c in classes
}
for module, header_name in main_classes:
for class_ in main_classes[(module, header_name)]:
can_be_instantiated = True
if class_["abstract"]:
can_be_instantiated = False
else: # check for inherited abstract base classes
methods = set([
m["name"] for access in "private protected public".split()
for m in class_["methods"][access]
])
namespace_class = make_namespace_class(class_["namespace"],
class_["name"])
for base_name_nsp in dependency_tree.breadth_first_iterator(
namespace_class):
base_class = main_classes_by_name_namespace.get(
base_name_nsp)
if base_class and base_class["abstract"]:
base_pure_virtual_methods = set(
get_pure_virtual_methods(base_class))
if base_pure_virtual_methods - methods:
can_be_instantiated = False
class_["can_be_instantiated"] = can_be_instantiated