apache / age - 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 1,095 units with 17,208 lines of code in units (39.0% of code).

2 very complex units (419 lines of code)
12 complex units (1,608 lines of code)
42 medium complex units (3,461 lines of code)
86 simple units (3,705 lines of code)
953 very simple units (8,015 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
bool expr_contains_node() in src/backend/parser/cypher_analyze.c	263	60	2
static inline void agtype_lex() in src/backend/utils/adt/agtype_parser.c	156	52	1
static inline void agtype_lex_string() in src/backend/utils/adt/agtype_parser.c	261	45	1
int compare_agtype_containers_orderability() in src/backend/utils/adt/agtype_util.c	133	41	2
static inline void agtype_lex_number() in src/backend/utils/adt/agtype_parser.c	80	32	4
static Datum get_agtype_path_all() in src/backend/utils/adt/agtype_ops.c	161	31	2
bool agtype_deep_contains() in src/backend/utils/adt/agtype_util.c	139	31	3
static Datum merge_vertex() in src/backend/executor/cypher_merge.c	155	31	7
static bool check_ungrouped_columns_walker() in src/backend/parser/cypher_parse_agg.c	99	29	2
int compare_agtype_scalar_values() in src/backend/utils/adt/agtype_util.c	126	28	2
static void add_valid_vertex_edges() in src/backend/utils/adt/age_vle.c	106	28	2
sub _construct_hash_table() in tools/PerfectHash.pm	105	26	0
Datum agtype_sub() in src/backend/utils/adt/agtype_ops.c	124	26	1
static void check_ungrouped_columns() in src/backend/parser/cypher_parse_agg.c	119	26	7
static bool finalize_grouping_exprs_walker() in src/backend/parser/cypher_parse_agg.c	100	25	2
Datum agtype_add() in src/backend/utils/adt/agtype_ops.c	72	24	1
Datum age_vle() in src/backend/utils/adt/age_vle.c	102	24	1
static void merge_edge() in src/backend/executor/cypher_merge.c	127	24	8
float8 float8in_internal_null() in src/backend/utils/adt/ag_float8_supp.c	78	23	5
static void convert_cypher_to_subquery() in src/backend/parser/cypher_analyze.c	161	23	2
int cypher_yylex() in src/backend/parser/cypher_parser.c	94	23	3
bool has_a_cypher_list_comprehension_node() in src/backend/parser/cypher_item.c	97	23	1
static bool convert_cypher_walker() in src/backend/parser/cypher_analyze.c	75	20	2
Datum gin_extract_agtype_query() in src/backend/utils/adt/agtype_gin.c	78	18	1
Datum _ag_enforce_edge_uniqueness() in src/backend/utils/adt/age_vle.c	134	18	1
static void process_update_list() in src/backend/executor/cypher_set.c	155	17	1
Datum agtype_div() in src/backend/utils/adt/agtype_ops.c	77	16	1
Datum age_match_vle_edge_to_id_qual() in src/backend/utils/adt/age_vle.c	97	16	1
static void transform_match_pattern() in src/backend/parser/cypher_clause.c	279	16	4
enum agtype_value_type get_ith_agtype_value_type() in src/backend/utils/adt/agtype_util.c	73	15	2
void pfree_agtype_value_content() in src/backend/utils/adt/agtype_util.c	45	15	1
static bool dfs_find_a_path_between() in src/backend/utils/adt/age_vle.c	65	15	1
def age_to_networkx() in drivers/python/age/networkx/age_to_networkx.py	44	15	4
public value() in drivers/nodejs/src/antlr4/AgtypeParser.ts	91	15	0
func unmarshalTerm() in drivers/golang/age/builder.go	52	15	1
sub generate_hash_function() in tools/PerfectHash.pm	64	14	0
Datum gin_consistent_agtype() in src/backend/utils/adt/agtype_gin.c	58	14	1
Datum gin_triconsistent_agtype() in src/backend/utils/adt/agtype_gin.c	46	14	1
agtype_iterator_token agtype_iterator_next() in src/backend/utils/adt/agtype_util.c	88	14	3
Datum age_match_vle_terminal_edge() in src/backend/utils/adt/age_vle.c	96	14	1
Datum create_complete_graph() in src/backend/utils/graph_generation.c	116	13	1
void agtype_hash_scalar_value_extended() in src/backend/utils/adt/agtype_util.c	80	13	3
static Datum make_scalar_key() in src/backend/utils/adt/agtype_gin.c	52	12	2
Datum agtype_mul() in src/backend/utils/adt/agtype_ops.c	53	12	1
Datum agtype_mod() in src/backend/utils/adt/agtype_ops.c	53	12	1
Datum agtype_pow() in src/backend/utils/adt/agtype_ops.c	53	12	1
Datum agtype_exists_any_agtype() in src/backend/utils/adt/agtype_ops.c	46	12	1
Datum agtype_exists_all_agtype() in src/backend/utils/adt/agtype_ops.c	53	12	1
static int get_type_sort_priority() in src/backend/utils/adt/agtype_util.c	40	12	1
static void report_parse_error() in src/backend/utils/adt/agtype_parser.c	95	12	2