Uber / starlark-goConditional 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 854 units with 11,235 lines of code in units (86.2% of code).

5 very complex units (1,532 lines of code)
10 complex units (1,177 lines of code)
36 medium complex units (2,059 lines of code)
70 simple units (1,857 lines of code)
733 very simple units (4,610 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
func Binary() in starlark/eval.go	397	146	3
func() in starlark/interp.go	522	124	1
func() in syntax/scan.go	294	99	1
func decode() in lib/json/json.go	182	54	4
func() in syntax/scan.go	137	52	1
func unquote() in syntax/quote.go	148	46	1
func() in resolve/resolve.go	137	45	1
func Walk() in syntax/walk.go	113	43	2
func toProto() in lib/proto/proto.go	89	35	2
func interpolate() in starlark/eval.go	107	34	2
func() in resolve/resolve.go	86	31	1
func encode() in lib/json/json.go	116	31	4
func() in internal/compile/compile.go	131	30	1
func string_format() in starlark/library.go	117	30	4
func() in internal/compile/compile.go	133	29	1
func() in resolve/resolve.go	73	24	1
func() in internal/compile/compile.go	153	24	1
func float() in starlark/library.go	56	24	4
func writeValue() in starlark/value.go	78	24	3
func setArgs() in starlark/eval.go	91	23	4
func parseInt() in starlark/library.go	53	22	2
func unpackOneArg() in starlark/unpack.go	74	22	2
func() in lib/time/time.go	61	21	1
func AsInt() in starlark/int.go	48	21	2
func UnpackArgs() in starlark/unpack.go	74	20	4
func() in internal/compile/compile.go	74	19	1
func() in syntax/scan.go	68	19	1
func CompareDepth() in starlark/value.go	54	18	4
func updateDict() in starlark/library.go	55	16	3
func DecodeProgram() in internal/compile/serial.go	69	15	1
func() in internal/compile/compile.go	41	15	1
func main() in lib/proto/cmd/star2proto/star2proto.go	68	15	0
func doMain() in cmd/starlark/starlark.go	83	14	0
func minmax() in starlark/library.go	63	14	4
func zip() in starlark/library.go	50	14	4
func() in starlark/hashtable.go	57	14	1
func slice() in starlark/eval.go	48	13	4
func PrintOp() in internal/compile/compile.go	38	12	4
func() in internal/compile/compile.go	41	12	1
func int_() in starlark/library.go	40	12	4
func string_split() in starlark/library.go	40	12	4
func() in syntax/parse.go	52	12	1
func() in resolve/resolve.go	36	11	1
func() in resolve/resolve.go	30	11	1
func rep() in repl/repl.go	49	11	3
func() in internal/compile/compile.go	38	11	1
func() in internal/compile/compile.go	36	11	1
func() in starlark/hashtable.go	37	11	1
func() in syntax/parse.go	55	11	1
func() in syntax/parse.go	39	11	1