apache / rocketmq-ons-cppConditional 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 1,885 units with 12,410 lines of code in units (48.0% of code).

1 very complex units (235 lines of code)
5 complex units (521 lines of code)
36 medium complex units (1,549 lines of code)
62 simple units (1,525 lines of code)
1,781 very simple units (8,580 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 ParseNumber() in src/main/cpp/sdk/common/rapidjson/reader.h	235	93	2
void handle_flag_() in src/main/cpp/sdk/common/spdlog/details/pattern_formatter.h	131	42	2
void Parse() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	106	37	1
RAPIDJSON_FORCEINLINE IterativeParsingState Transit() in src/main/cpp/sdk/common/rapidjson/reader.h	105	31	5
void Parse() in src/main/cpp/sdk/common/rapidjson/pointer.h	106	29	2
RAPIDJSON_FORCEINLINE bool EndValue() in src/main/cpp/sdk/common/rapidjson/schema.h	73	28	1
void basic_printf_context::format() in src/main/cpp/sdk/common/spdlog/fmt/bundled/printf.h	87	25	0
void DetectType() in src/main/cpp/sdk/common/rapidjson/encodedstream.h	25	21	0
bool CharacterEscape() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	27	20	2
FMT_FUNC bool grisu2_gen_digits() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format-inl.h	44	19	9
void basic_writer::write_double() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	50	19	2
inline void DigitGen() in src/main/cpp/sdk/common/rapidjson/internal/dtoa.h	48	19	6
bool EndObject() in src/main/cpp/sdk/common/rapidjson/schema.h	42	19	2
bool CheckInt() in src/main/cpp/sdk/common/rapidjson/schema.h	42	19	2
FMT_CONSTEXPR void parse_format_string() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	49	18	2
bool CheckUint() in src/main/cpp/sdk/common/rapidjson/schema.h	43	18	2
bool Accept() in src/main/cpp/sdk/common/rapidjson/document.h	34	18	1
RAPIDJSON_FORCEINLINE void ParseStringToStream() in src/main/cpp/sdk/common/rapidjson/reader.h	60	17	2
bool ParseRange() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	62	16	2
bool HandleRefSchema() in src/main/cpp/sdk/common/rapidjson/schema.h	42	16	4
FMT_FUNC gen_digits_params process_specs() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format-inl.h	40	15	3
FMT_CONSTEXPR typename ParseContext::iterator parse() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	47	15	1
inline bool StrtodDiyFp() in src/main/cpp/sdk/common/rapidjson/internal/strtod.h	64	15	4
bool WriteString() in src/main/cpp/sdk/common/rapidjson/writer.h	68	14	2
void ParseObject() in src/main/cpp/sdk/common/rapidjson/reader.h	52	13	2
bool Key() in src/main/cpp/sdk/common/rapidjson/schema.h	42	13	4
inline bool Writer::ScanWriteUnescapedString() in src/main/cpp/sdk/common/rapidjson/writer.h	56	13	2
FMT_FUNC void grisu2_prettify() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format-inl.h	32	12	4
bool EvalQuantifier() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	33	12	3
bool SearchWithAnchoring() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	29	12	3
bool Erase() in src/main/cpp/sdk/common/rapidjson/pointer.h	37	12	1
FMT_CONSTEXPR void handle_float_type_spec() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	19	11	2
inline size_t filesize() in src/main/cpp/sdk/common/spdlog/details/os.h	39	11	1
void SkipWhitespaceAndComments() in src/main/cpp/sdk/common/rapidjson/reader.h	24	11	1
void ParseArray() in src/main/cpp/sdk/common/rapidjson/reader.h	39	11	2
static RAPIDJSON_FORCEINLINE void ScanCopyUnescapedString() in src/main/cpp/sdk/common/rapidjson/reader.h	49	11	2
static RAPIDJSON_FORCEINLINE void ScanCopyUnescapedString() in src/main/cpp/sdk/common/rapidjson/reader.h	55	11	2
void HandleError() in src/main/cpp/sdk/common/rapidjson/reader.h	17	11	2
void PrettyPrefix() in src/main/cpp/sdk/common/rapidjson/prettywriter.h	40	11	1
inline double StrtodFullPrecision() in src/main/cpp/sdk/common/rapidjson/internal/strtod.h	38	11	6
bool CreateParallelValidator() in src/main/cpp/sdk/common/rapidjson/schema.h	23	11	1
inline bool Writer::ScanWriteUnescapedString() in src/main/cpp/sdk/common/rapidjson/writer.h	51	11	2
void UtilAll::init_factory_property() in src/main/cpp/sdk/common/UtilAll.cpp	79	10	3
FMT_CONSTEXPR void handle_int_type_spec() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	21	10	2
FMT_CONSTEXPR unsigned parse_nonnegative_int() in src/main/cpp/sdk/common/spdlog/fmt/bundled/format.h	22	10	3
bool Eval() in src/main/cpp/sdk/common/rapidjson/internal/regex.h	50	10	2
static bool Decode() in src/main/cpp/sdk/common/rapidjson/encodings.h	30	10	2
bool EndValue() in src/main/cpp/sdk/common/rapidjson/schema.h	30	10	0
Ch Take() in src/main/cpp/sdk/common/rapidjson/pointer.h	21	10	0
unsigned basic_printf_context::parse_header() in src/main/cpp/sdk/common/spdlog/fmt/bundled/printf.h	30	9	2