hhvm / difflib
Conditional Complexity

The distribution of complexity of units (measured with McCabe index).

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 45 units with 464 lines of code in units (85.1% of code).
    • 0 very complex units (0 lines of code)
    • 0 complex units (0 lines of code)
    • 3 medium complex units (145 lines of code)
    • 3 simple units (125 lines of code)
    • 39 very simple units (194 lines of code)
0% | 0% | 31% | 26% | 41%
Legend:
51+
26-50
11-25
6-10
1-5
Alternative Visuals
Conditional Complexity per Extension
51+
26-50
11-25
6-10
1-5
php0% | 0% | 31% | 26% | 41%
Conditional Complexity per Logical Component
primary logical decomposition
51+
26-50
11-25
6-10
1-5
src0% | 0% | 31% | 26% | 41%
Most Complex Units
Top 45 most complex units
Unit# linesMcCabe index# params
65 13 3
42 11 0
38 11 1
35 8 1
50 8 1
40 6 1
33 5 0
19 4 1
19 4 1
3 1 1
3 1 1
3 1 1
3 1 1
3 1 1
6 1 2
3 1 2
2 1 2
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
7 1 1
7 1 1
2 1 2
3 1 0
3 1 0
3 1 0
3 1 0
6 1 3
3 1 0
3 1 0
3 1 0
3 1 0
3 1 0
3 1 2
3 1 2
3 1 2
6 1 1