apple / AudioUnitSDK
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 329 units with 3,791 lines of code in units (69.2% of code).
    • 0 very complex units (0 lines of code)
    • 3 complex units (510 lines of code)
    • 10 medium complex units (606 lines of code)
    • 18 simple units (593 lines of code)
    • 298 very simple units (2,082 lines of code)
0% | 13% | 15% | 15% | 54%
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
cpp0% | 15% | 18% | 17% | 48%
h0% | 0% | 2% | 5% | 92%
Conditional Complexity per Logical Component
primary logical decomposition
51+
26-50
11-25
6-10
1-5
Source0% | 13% | 16% | 15% | 54%
EmptyPlugIns0% | 0% | 0% | 0% | 100%
Most Complex Units
Top 20 most complex units
Unit# linesMcCabe index# params
163 38 4
180 36 5
167 27 5
OSStatus AUEffectBase::Initialize()
in Source/AUEffectBase.cpp
 46 21 0
113 19 7
92 19 1
AudioComponentMethod AUBaseLookup::Lookup()
in Source/AUPlugInDispatch.cpp
 38 16 1
58 15 3
OSStatus AUBase::DoRender()
in Source/AUBase.cpp
 86 15 5
OSStatus AUEffectBase::Render()
in Source/AUEffectBase.cpp
 53 12 3
12 12 1
OSStatus AUBase::DoProcess()
in Source/AUBase.cpp
 58 11 4
void AUElement::SaveState()
in Source/AUScopeElement.cpp
 50 11 2
52 10 3
OSStatus AUEffectBase::SetProperty()
in Source/AUEffectBase.cpp
 28 9 5
39 9 5
static OSStatus AUMethodGetProperty()
in Source/AUPlugInDispatch.cpp
 51 9 6
12 9 1
OSStatus AUBase::SaveState()
in Source/AUBase.cpp
 52 8 1
static bool AreValidParamEvents()
in Source/AUPlugInDispatch.cpp
 27 8 2