apache / thrift - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 11,666 units with 137,774 lines of code in units (63.8% of code).

15 very complex units (5,266 lines of code)
50 complex units (7,764 lines of code)
462 medium complex units (27,962 lines of code)
622 simple units (20,749 lines of code)
10,517 very simple units (76,033 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
void t_c_glib_generator::generate_object() in compiler/cpp/src/thrift/generate/t_c_glib_generator.cc	587	124	1
void t_cpp_generator::generate_service_client() in compiler/cpp/src/thrift/generate/t_cpp_generator.cc	504	94	2
bool TServerSocket::isOpen() in lib/cpp/src/thrift/transport/TServerSocket.cpp	452	75	0
void t_js_generator::generate_service_client() in compiler/cpp/src/thrift/generate/t_js_generator.cc	441	68	1
final class TJsonProtocol() in lib/d/src/thrift/protocol/json.d	534	63	1
final class TCompactProtocol() in lib/d/src/thrift/protocol/compact.d	415	63	1
void t_java_generator::generate_java_bean_boilerplate() in compiler/cpp/src/thrift/generate/t_java_generator.cc	335	58	2
void t_c_glib_generator::generate_service_processor() in compiler/cpp/src/thrift/generate/t_c_glib_generator.cc	608	57	1
bool TNonblockingServerSocket::isOpen() in lib/cpp/src/thrift/transport/TNonblockingServerSocket.cpp	364	55	0
std::string t_go_generator::variable_name_to_go_name() in compiler/cpp/src/thrift/generate/t_go_generator.cc	90	54	1
string t_go_generator::render_const_value() in compiler/cpp/src/thrift/generate/t_go_generator.cc	216	54	4
tcc bool ProtocolBase::encodeValue() in lib/py/src/ext/protocol.tcc	173	51	3
void t_java_generator::generate_java_struct_parcelable() in compiler/cpp/src/thrift/generate/t_java_generator.cc	210	51	2
void t_cpp_generator::generate_struct_declaration() in compiler/cpp/src/thrift/generate/t_cpp_generator.cc	165	51	8
int main() in compiler/cpp/src/thrift/main.cc	172	51	2
void TNonblockingIOThread::createNotificationPipe() in lib/cpp/src/thrift/server/TNonblockingServer.cpp	238	49	0
void t_js_generator::generate_js_struct_definition() in compiler/cpp/src/thrift/generate/t_js_generator.cc	175	49	4
void binary_serialize() in lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp	145	48	4
void t_py_generator::generate_service_client() in compiler/cpp/src/thrift/generate/t_py_generator.cc	281	48	1
void t_cpp_generator::generate_process_function() in compiler/cpp/src/thrift/generate/t_cpp_generator.cc	334	48	4
final class TServerWebSocketTransport() in lib/d/src/thrift/transport/websocket.d	252	44	1
void t_c_glib_generator::generate_service_client() in compiler/cpp/src/thrift/generate/t_c_glib_generator.cc	447	43	1
void t_java_generator::generate_java_struct_definition() in compiler/cpp/src/thrift/generate/t_java_generator.cc	215	42	5
void t_go_generator::generate_service_remote() in compiler/cpp/src/thrift/generate/t_go_generator.cc	506	41	1
void go_validator_generator::generate_integer_field_validator() in compiler/cpp/src/thrift/generate/go_validator_generator.cc	212	41	2
void t_netstd_generator::generate_netstd_struct_definition() in compiler/cpp/src/thrift/generate/t_netstd_generator.cc	179	39	5
void validate_const_rec() in compiler/cpp/src/thrift/main.cc	117	39	3
void printAndPassToBuffer() in lib/cpp/src/thrift/processor/StatsProcessor.h	138	37	1
void t_py_generator::generate_py_struct_definition() in compiler/cpp/src/thrift/generate/t_py_generator.cc	193	37	3
void TFileTransport::writerThread() in lib/cpp/src/thrift/transport/TFileTransport.cpp	159	36	0
string t_py_generator::render_const_value() in compiler/cpp/src/thrift/generate/t_py_generator.cc	122	36	2
func() in lib/go/thrift/simple_json_protocol.go	123	35	1
string t_swift_generator::type_to_enum() in compiler/cpp/src/thrift/generate/t_swift_generator.cc	78	35	2
void t_go_generator::generate_go_struct_definition() in compiler/cpp/src/thrift/generate/t_go_generator.cc	177	34	5
void t_c_glib_generator::generate_const_initializer() in compiler/cpp/src/thrift/generate/t_c_glib_generator.cc	199	33	4
void t_swift_generator::generate_swift_struct_reader() in compiler/cpp/src/thrift/generate/t_swift_generator.cc	148	33	3
void t_delphi_generator::generate_service_client() in compiler/cpp/src/thrift/generate/t_delphi_generator.cc	237	31	1
func() in lib/go/thrift/header_transport.go	102	30	1
void resolve_const_value() in compiler/cpp/src/thrift/parse/t_scope.h	94	30	2
string t_c_glib_generator::generate_free_func_from_type() in compiler/cpp/src/thrift/generate/t_c_glib_generator.cc	64	30	1
void t_markdown_generator::print_const_value() in compiler/cpp/src/thrift/generate/t_markdown_generator.cc	120	30	2
void t_html_generator::print_const_value() in compiler/cpp/src/thrift/generate/t_html_generator.cc	117	30	2
void t_py_generator::generate_process_function() in compiler/cpp/src/thrift/generate/t_py_generator.cc	235	30	2
string t_js_generator::render_const_value() in compiler/cpp/src/thrift/generate/t_js_generator.cc	103	30	2
void t_swift_generator::render_const_value() in compiler/cpp/src/thrift/generate/t_swift_generator.cc	105	30	3
public void run() in lib/java/src/main/java/org/apache/thrift/TNonblockingMultiFetchClient.java	125	29	0
void binary_deserialize() in lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp	150	29	4
func Skip() in lib/go/thrift/protocol.go	92	29	4
tcc bool ProtocolBase::skip() in lib/py/src/ext/protocol.tcc	76	29	1
string t_lua_generator::render_const_value() in compiler/cpp/src/thrift/generate/t_lua_generator.cc	108	29	2