mozilla / sccache - 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).

Learn more...

Conditional Complexity Overall

There are 732 units with 14,508 lines of code in units (55.3% of code).

0 very complex units (0 lines of code)
3 complex units (616 lines of code)
7 medium complex units (796 lines of code)
24 simple units (1,401 lines of code)
698 very simple units (11,695 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
fn write_inputs() in src/compiler/rust.rs	161	36	2
fn config_from_env() in src/config.rs	238	29	0
fn parse_arguments() in src/compiler/rust.rs	217	28	2
fn process_preprocessor_line() in src/compiler/c.rs	122	25	13
fn process_preprocessed_file() in src/compiler/c.rs	99	23	7
fn remember_include_file() in src/compiler/c.rs	103	19	9
fn result_matches() in src/compiler/preprocessor_cache.rs	138	15	4
fn test_arginfo_process() in src/compiler/args.rs	64	15	0
fn generate_compile_commands() in src/compiler/rust.rs	123	14	3
fn print() in src/server.rs	147	11	3
fn merge() in src/config.rs	40	10	2
fn write_pkg() in src/compiler/c.rs	93	9	2
fn next() in src/compiler/diab.rs	26	9	1
fn preprocess_cmd() in src/compiler/gcc.rs	70	9	5
fn into_fallback() in src/config.rs	24	8	1
fn fold_env_vars_or_split_into_exe_and_args() in src/compiler/nvcc.rs	71	8	6
fn color_mode() in src/compiler/compiler.rs	234	8	1
fn handle_outputs() in src/compiler/rust.rs	48	8	4
fn parse_rustc_z_ls() in src/compiler/rust.rs	51	8	1
fn parse_arguments() in src/compiler/tasking_vx.rs	117	8	3
fn test_ascii_unescape_default() in src/util.rs	39	8	0
fn handle_compile_finished() in src/commands.rs	46	7	3
fn handle_compile_response() in src/commands.rs	72	7	9
fn next() in src/compiler/args.rs	24	7	1
fn test_bsearch() in src/compiler/args.rs	51	7	0
fn set_percentage_stats() in src/server.rs	44	7	3
fn connect_or_start_server() in src/commands.rs	32	6	2
fn next() in src/compiler/msvc.rs	60	6	1
fn process() in src/compiler/args.rs	53	6	3
fn parse_arguments() in src/compiler/c.rs	42	6	5
fn write_inputs() in src/compiler/c.rs	46	6	2
fn process() in src/compiler/rust.rs	19	6	1
fn split_prefix() in src/util.rs	29	6	2
fn test_time_macro_short_read() in src/util.rs	70	6	0
fn parse_http_url() in src/config.rs	17	5	1
fn load_file_config() in src/config.rs	21	5	0
fn take_stdin() in src/mock_command.rs	13	5	1
fn generate_compile_commands() in src/compiler/msvc.rs	67	5	6
fn local_oem_codepage_conversions() in src/compiler/msvc.rs	17	5	0
fn include_is_too_new() in src/compiler/c.rs	22	5	3
fn next() in src/compiler/gcc.rs	20	5	1
fn remap_generated_filenames() in src/compiler/nvcc.rs	65	5	3
fn new_with_check() in src/compiler/rust.rs	49	5	3
fn discover_rlib_deps() in src/compiler/rust.rs	52	5	3
fn config_file() in src/config.rs	16	4	2
fn next() in src/compiler/args.rs	38	4	1
fn next() in src/compiler/args.rs	39	4	1
fn cmp() in src/compiler/args.rs	17	4	2
fn test_compiler_get_cached_or_compile_dist_error() in src/compiler/compiler.rs	102	4	1
fn parse_dep_info() in src/compiler/rust.rs	43	4	2