twitter / ccommonConditional 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 282 units with 2,277 lines of code in units (16.2% of code).

0 very complex units (0 lines of code)
0 complex units (0 lines of code)
2 medium complex units (122 lines of code)
2 simple units (57 lines of code)
278 very simple units (2,098 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 hash_murmur3_128_x86() in src/hash/cc_murmur3.c	70	17	4
void hash_murmur3_128_x64() in src/hash/cc_murmur3.c	52	17	4
XXH_FORCE_INLINE XXH_TARGET_SSE2 void XXH3_initCustomSecret_sse2() in include/hash/xxhash.h	21	7	2
ssize_t pipe_send() in src/channel/cc_pipe.c	36	7	3
XXH_FORCE_INLINE xxh_u64 XXH3_mix16B() in include/hash/xxhash.h	16	5	3
fn derive_metrics_impl() in rust/ccommon-derive/src/lib.rs	102	5	1
fn derive_options_impl() in rust/ccommon-derive/src/lib.rs	107	5	1
void hash_murmur3_32() in src/hash/cc_murmur3.c	32	5	4
XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_digest() in include/hash/xxhash.h	15	4	1
XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_digest() in include/hash/xxhash.h	23	4	1
fn log() in rust/ccommon-rs/src/log/shim.rs	24	4	2
fn parse_kv Result>() in rust/ccommon-backend/src/option/parse.rs	23	4	1
int event_add_read() in src/event/cc_epoll.c	14	4	3
static xxh_u32 XXH32_round() in include/hash/xxhash.h	10	3	2
XXH_PUBLIC_API XXH32_hash_t XXH32() in include/hash/xxhash.h	15	3	3
XXH_PUBLIC_API XXH64_hash_t XXH64() in include/hash/xxhash.h	15	3	3
XXH_FORCE_INLINE XXH_TARGET_AVX2 void XXH3_initCustomSecret_avx2() in include/hash/xxhash.h	21	3	2
fn read() in rust/ccommon-backend/src/compat.rs	17	3	2
fn seek() in rust/ccommon-backend/src/compat.rs	21	3	2
fn trim_bytes() in rust/ccommon-backend/src/option/parse.rs	9	3	1
fn fmt_value() in rust/ccommon-backend/src/option/print.rs	17	3	3
fn parse() in rust/ccommon-derive/src/attrs.rs	30	3	1
fn parse() in rust/ccommon-derive/src/attrs.rs	31	3	1
fn main() in rust/ccommon-sys/build.rs	134	3	0
void array_setup() in src/cc_array.c	11	3	1
XXH_FORCE_INLINE xxh_u32 XXH_readLE32() in include/hash/xxhash.h	4	2	1
static xxh_u32 XXH_readBE32() in include/hash/xxhash.h	4	2	1
XXH_PUBLIC_API XXH32_hash_t XXH32_digest() in include/hash/xxhash.h	14	2	1
XXH_PUBLIC_API void XXH32_canonicalFromHash() in include/hash/xxhash.h	6	2	2
XXH_FORCE_INLINE xxh_u64 XXH_readLE64() in include/hash/xxhash.h	4	2	1
static xxh_u64 XXH_readBE64() in include/hash/xxhash.h	4	2	1
XXH_PUBLIC_API XXH64_hash_t XXH64_digest() in include/hash/xxhash.h	19	2	1
XXH_PUBLIC_API void XXH64_canonicalFromHash() in include/hash/xxhash.h	6	2	2
XXH_FORCE_INLINE xxh_u64x2 XXH_vec_loadu() in include/hash/xxhash.h	9	2	1
XXH_FORCE_INLINE xxh_u64 XXH_xorshift64() in include/hash/xxhash.h	5	2	2
XXH_FORCE_INLINE void XXH_writeLE64() in include/hash/xxhash.h	5	2	2
static void XXH_alignedFree() in include/hash/xxhash.h	9	2	1
XXH_PUBLIC_API int XXH128_cmp() in include/hash/xxhash.h	8	2	2
fn drop() in rust/ccommon-rs/src/ccbox.rs	13	2	1
fn write() in rust/ccommon-rs/src/buf.rs	9	2	2
fn enabled_ptr() in rust/ccommon-rs/src/log/shim.rs	9	2	2
fn new() in rust/ccommon-rs/src/metric/mod.rs	14	2	1
fn write() in rust/ccommon-backend/src/compat.rs	14	2	2
fn flush() in rust/ccommon-backend/src/compat.rs	8	2	1
fn is_valid_name() in rust/ccommon-backend/src/option/parse.rs	5	2	1
fn parse_str Result>() in rust/ccommon-backend/src/option/parse.rs	6	2	0
fn crate_name() in rust/ccommon-derive/src/lib.rs	11	2	1
fn parse() in rust/ccommon-derive/src/attrs.rs	6	2	1
void array_teardown() in src/cc_array.c	8	2	1
static void XXH_free() in include/hash/xxhash.h	1	1	1