alibaba / fastjson2 - 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 8,078 units with 141,421 lines of code in units (81.4% of code).

86 very complex units (23,137 lines of code)
199 complex units (21,957 lines of code)
544 medium complex units (26,479 lines of code)
926 simple units (23,180 lines of code)
6,323 very simple units (46,668 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Unit	# lines	McCabe index	# params
public List readArray() in core/src/main/java/com/alibaba/fastjson2/JSONReader.java	1789	390	1
public static ZonedDateTime parseZonedDateTime() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	1030	367	4
public static ZonedDateTime parseZonedDateTime() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	1031	367	4
public ObjectReader getObjectReader() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderBaseModule.java	635	275	2
public final String readFieldName() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	567	180	0
JSONPathSegment parseFilter() in core/src/main/java/com/alibaba/fastjson2/JSONPathParser.java	529	168	0
void execute() in core/src/main/java/com/alibaba/fastjson2/internal/asm/Frame.java	320	154	4
public ObjectWriter getObjectWriter() in core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterBaseModule.java	420	153	2
public long readFieldNameHashCode() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	287	140	0
public final long readFieldNameHashCode() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	265	140	0
private void genReadFieldValue() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderCreatorASM.java	478	128	7
public long readFieldNameHashCodeUnquote() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	277	123	0
public Object readAny() in core/src/main/java/com/alibaba/fastjson2/JSONReaderJSONB.java	429	117	0
public final long readFieldNameHashCode() in core/src/main/java/com/alibaba/fastjson2/JSONReaderASCII.java	267	115	0
public final long readFieldNameHashCodeUnquote() in core/src/main/java/com/alibaba/fastjson2/JSONReaderASCII.java	207	112	0
public final long readFieldNameHashCodeUnquote() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	207	112	0
public static long parseMillis19() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	322	106	2
public String toString() in core/src/main/java/com/alibaba/fastjson2/JSONWriter.java	275	104	0
public static Class loadClass() in core/src/main/java/com/alibaba/fastjson2/util/TypeUtils.java	185	100	1
public static long parseMillis19() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	269	98	3
public static long parseMillis19() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	269	98	3
public static List computeGetters() in fastjson1-compatible/src/main/java/com/alibaba/fastjson/util/TypeUtils.java	328	97	6
public static JSONSchema of() in core/src/main/java/com/alibaba/fastjson2/schema/JSONSchema.java	239	93	2
public final void readNumber0() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	237	91	0
public final void readNumber0() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	240	91	0
public void accept() in core/src/main/java/com/alibaba/fastjson2/JSONPathSegmentName.java	226	91	2
static long parseMillis19() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	266	86	3
public Object readObject() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderImplObject.java	231	85	4
public long readValueHashCode() in core/src/main/java/com/alibaba/fastjson2/JSONReaderJSONB.java	287	85	0
public static void getters() in core/src/main/java/com/alibaba/fastjson2/util/BeanUtils.java	179	84	4
private void dumpAny() in core/src/main/java/com/alibaba/fastjson2/JSONBDump.java	407	80	0
public final BigDecimal readBigDecimal() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	184	80	0
public final double readDoubleValue() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	159	78	0
public final float readFloatValue() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	159	78	0
public double readDoubleValue() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	159	78	0
public float readFloatValue() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF16.java	159	78	0
public ObjectReader createObjectReader() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderCreator.java	275	78	4
public final BigDecimal readBigDecimal() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	180	77	0
private void genRead243() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderCreatorASM.java	681	73	6
public int compareTo() in core/src/main/java/com/alibaba/fastjson2/reader/FieldReader.java	147	71	1
public ObjectWriter createObjectWriter() in core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterCreatorASM.java	255	71	3
public static JSONPath of() in core/src/main/java/com/alibaba/fastjson2/JSONPath.java	304	70	6
public ObjectWriter createObjectWriter() in core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterCreator.java	255	69	3
public void read() in core/src/main/java/com/alibaba/fastjson2/JSONReader.java	188	68	2
public void getBeanInfo() in core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterBaseModule.java	193	67	2
public String readString() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	225	65	0
public static long parseMillisYMDHMS19() in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java	198	65	2
public FieldReader createFieldReaderMethod() in core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderCreator.java	325	64	15
private boolean readBoolValue0() in core/src/main/java/com/alibaba/fastjson2/JSONReaderJSONB.java	129	64	1
public final void readNumber() in core/src/main/java/com/alibaba/fastjson2/JSONReaderUTF8.java	179	63	2

Unit

# lines

McCabe index

# params

public List readArray()
in core/src/main/java/com/alibaba/fastjson2/JSONReader.java

1789

390

public static ZonedDateTime parseZonedDateTime()
in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java

1030

367

public static ZonedDateTime parseZonedDateTime()
in core/src/main/java/com/alibaba/fastjson2/util/DateUtils.java

1031