QAC metrics reference
Function-based metrics
| Name | Metric code | Description | ID |
|---|---|---|---|
| Strict Estimated Static Program Paths | NPATH | The value of the NPATH metric for the specified function. | 2001 |
| Akiyama's Criterion (STCYC + STSUB) | STAKI | The value of the STAKI metric for the specified function. | 2002 |
| Average Size of Statement in Function (variant 1) | STAV1 | The value of the STAV1 metric for the specified function. | 2003 |
| Average Size of Statement in Function (variant 2) | STAV2 | The value of the STAV2 metric for the specified function. | 2004 |
| Average Size of Statement in Function (variant 3) | STAV3 | The value of the STAV3 metric for the specified function. | 2005 |
| Number of Backward Jumps | STBAK | The value of the STBAK metric for the specified function. | 2006 |
| Number of Functions Called from Function | STCAL | The value of the STCAL metric for the specified function. | 2012 |
| Cyclomatic Complexity | STCYC | The value of the STCYC metric for the specified function. | 2020 |
| Number of Dangling Else-Ifs | STELF | The value of the STELF metric for the specified function. | 2026 |
| Number of distinct operands in a Function | STFDN | The value of the STFDN metric for the specified function. | 2028 |
| Number of distinct operators in a Function | STFDT | The value of the STFDT metric for the specified function. | 2029 |
| Number of Operator Occurrences in Function | STFN1 | The value of the STFN1 metric for the specified function. | 2030 |
| Number of Operand Occurrences in Function | STFN2 | The value of the STFN2 metric for the specified function. | 2031 |
| Number of Goto statements | STGTO | The value of the STGTO metric for the specified function. | 2033 |
| Knot Density | STKDN | The value of the STKDN metric for the specified function. | 2035 |
| Knot Count | STKNT | The value of the STKNT metric for the specified function. | 2036 |
| Number of Local Variables Declared | STLCT | The value of the STLCT metric for the specified function. | 2038 |
| Number of Code Lines | STLIN | The value of the STLIN metric for the specified function. | 2039 |
| Number of Logical Operators | STLOP | The value of the STLOP metric for the specified function. | 2040 |
| Essential Cyclomatic Complexity | STM07 | The value of the STM07 metric for the specified function. | 2041 |
| Number of Exit Points | STM19 | The value of the STM19 metric for the specified function. | 2042 |
| Number of Functions Calling this Function | STM29 | The value of the STM29 metric for the specified function. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. | 2047 |
| Myer's Interval | STMCC | The value of the STMCC metric for the specified function. | 2049 |
| Deepest Level of Nesting | STMIF | The value of the STMIF metric for the specified function. | 2050 |
| Number of Function Parameters | STPAR | The value of the STPAR metric for the specified function. | 2061 |
| Residual Bugs | STPBG | The value of the STPBG metric for the specified function. | 2062 |
| Path Density | STPDN | The value of the STPDN metric for the specified function. | 2063 |
| Estimated Static Program Paths | STPTH | The value of the STPTH metric for the specified function. | 2064 |
| Number of Return Points in Function | STRET | The value of the STRET metric for the specified function. | 2065 |
| Number of Statements in Function (variant 1) | STST1 | The value of the STST1 metric for the specified function. | 2069 |
| Number of Statements in Function (variant 2) | STST2 | The value of the STST2 metric for the specified function. | 2070 |
| Number of Statements in Function (variant 3) | STST3 | The value of the STST3 metric for the specified function. | 2071 |
| Number of Function Calls | STSUB | The value of the STSUB metric for the specified function. | 2072 |
| Number of Unreachable Statements | STUNR | The value of the STUNR metric for the specified function. | 2080 |
| Unused or Non-Reused Variables | STUNV | The value of the STUNV metric for the specified function. | 2081 |
| Number of Executable Lines | STXLN | The value of the STXLN metric for the specified function. | 2085 |
File-based metrics
| Name | Metric code | Description | ID |
|---|---|---|---|
| Embedded Programmer Months | STBME | The value of the STBME metric for the specified file. | 2008 |
| Organic Programmer Months | STBMO | The value of the STBMO metric for the specified file. | 2009 |
| Semi-detached Programmer Months | STBMS | The value of the STBMS metric for the specified file. | 2010 |
| Residual Bugs (token-based estimate) | STBUG | The value of the STBUG metric for the specified file. | 2011 |
| Total number of characters | STCCA | The value of the STCCA metric for the specified file. | 2014 |
| Total number of code characters | STCCB | The value of the STCCB metric for the specified file. | 2015 |
| Total number of comment characters | STCCC | The value of the STCCC metric for the specified file. | 2016 |
| Comment to Code Ratio | STCDN | The value of the STCDN metric for the specified file. | 2017 |
| Estimated Development (programmer-days) | STDEV | The value of the STDEV metric for the specified file. | 2021 |
| Program Difficulty | STDIF | The value of the STDIF metric for the specified file. | 2022 |
| Number of External Variables Declared | STECT | The value of the STECT metric for the specified file. | 2024 |
| Program Effort | STEFF | The value of the STEFF metric for the specified file. | 2025 |
| Estimated Function Coupling | STFCO | The value of the STFCO metric for the specified file. | 2027 |
| Number of Functions in File | STFNC | The value of the STFNC metric for the specified file. | 2032 |
| Halstead Prediction of STTOT | STHAL | The value of the STHAL metric for the specified file. | 2034 |
| Number of Operand Occurrences | STM20 | The value of the STM20 metric for the specified file. | 2043 |
| Number of Operator Occurrences | STM21 | The value of the STBME metric for the specified file. | 2044 |
| Number of Statements | STM22 | The value of the STBME metric for the specified file. | 2045 |
| Number of Non-Header Comments | STM28 | The value of the STM28 metric for the specified file. | 2046 |
| Number of Internal Comments | STM33 | The value of the STM33 metric for the specified file. | 2048 |
| Number of Distinct Operands | STOPN | The value of the STOPN metric for the specified file. | 2059 |
| Number of Distinct Operators | STOPT | The value of the STOPT metric for the specified file. | 2060 |
| Number of Static Variables Declared | STSCT | The value of the STSCT metric for the specified file. | 2067 |
| Shannon Information Content | STSHN | The value of the STSHN metric for the specified file. | 2068 |
| Embedded Total Months | STTDE | The value of the STTDE metric for the specified file. | 2073 |
| Organic Total Months | STTDO | The value of the STTDO metric for the specified file. | 2074 |
| Semi-detached Total Months | STTDS | The value of the STTDS metric for the specified file. | 2075 |
| Total Preprocessed Source Lines | STTLN | The value of the STBME metric for the specified file. | 2077 |
| Total Number of Tokens Used | STTOT | The value of the STBME metric for the specified file. | 2078 |
| Total Unpreprocessed Code Lines | STTPP | The value of the STTPP metric for the specified file. | 2079 |
| Total Number of Variables | STVAR | The value of the STBME metric for the specified file. | 2082 |
| Program Volume | STVOL | The value of the STVOL metric for the specified file. | 2083 |
| Zipf Prediction of STTOT | STZIP | The value of the STZIP metric for the specified file. | 2086 |
| Comment Density | COMF | The value of the COMF metric for the specified project. | 2087 |
| Language scope | VOCF | The value of the VOCF metric for the specified project. | 2088 |
Class-based metrics
| Name | Metric code | Description | ID |
|---|---|---|---|
| Coupling to other classes | STCBO | The value of the STCBO metric for the specified class. This metric is generated by RCMA , and will therefore only be available when the -cmaf option to the project analysis results is provided. RCMA computes STCBO by counting the functions and static objects that a class accesses from other classes. | 2013 |
| Coupling to other classes (variant 1) | STCB1 |
The value of the STCBO metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. RCMA computes STCB1 by counting classes, using this class and used by this class, that are outside of the class and any of its parent or child classes. |
2089 |
| Coupling to other classes (variant 2) | STCB2 | The value of the STCBO metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. RCMA computes STCB2 by counting classes using this class and used by this class. | 2090 |
| Deepest inheritance | STDIT | The value of the STDIT metric for the specified class. | 2023 |
| Lack of cohesion within class | STLCM | The value of the STLCM metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. | 2037 |
| Number of methods declared in class | STMTH | The value of the STMTH metric for the specified class. | 2051 |
| Number of immediate children | STNOC | The value of the STNOC metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. | 2055 |
| Number of immediate parents | STNOP | The value of the STNOP metric for the specified class. | 2056 |
| Response for class | STRFC | The value of the STRFC metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. | 2066 |
| Weighted methods in class | STWMC | The value of the STWMC metric for the specified class. This metric is generated by RCMA, and will therefore only be available when the -cmaf option to the project analysis results is provided. | 2084 |
Project metrics
| Name | Metric code | Description | ID |
|---|---|---|---|
| Cyclomatic Complexity across the Project | STCYA | The value of the STCYA metric for the specified project. | 2019 |
| Number of Entry Points across the Project | STNEA | The value of the STNEA metric for the specified project. | 2052 |
| Number of Functions across the Project | STNFA | The value of the STNFA metric for the specified project. | 2053 |
| Number of Global Variable Definitions across the Project | STNGV | The value of the STNGV metric for the specified project. | 2054 |
| Number of Recursions across the Project | STNRA | The value of the STNRA metric for the specified project. | 2057 |