SonarSource Rules
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C++

C++ static code analysis

Unique rules to find Bugs, Vulnerabilities, Security Hotspots, and Code Smells in your C++ code

  • All rules 674
  • Vulnerability13
  • Bug139
  • Security Hotspot19
  • Code Smell503

  • Quick Fix 91
Filtered: 36 rules found
convention
    Impact
      Clean code attribute
        1. Literal suffix "L" for long integers shall be upper case

           Code Smell
        2. Source code should only use /* ... */ style comments

           Code Smell
        3. Concept names should comply with a naming convention

           Code Smell
        4. Coroutine names should comply with a naming convention

           Code Smell
        5. Format strings should comply with ISO standards

           Code Smell
        6. Method overloads should be grouped together in the interface

           Code Smell
        7. Label names should comply with a naming convention

           Code Smell
        8. Enumeration values should comply with a naming convention

           Code Smell
        9. Enumeration names should comply with a naming convention

           Code Smell
        10. Namespace names should comply with a naming convention

           Code Smell
        11. "final" should not be used redundantly

           Code Smell
        12. Comment styles "//" and "/* ... */" should not be mixed within a file

           Code Smell
        13. Preprocessor directives should not be indented

           Code Smell
        14. "union" names should comply with a naming convention

           Code Smell
        15. "public", "protected" and "private" sections of a class should be declared in that order

           Code Smell
        16. C++ comments should be used

           Code Smell
        17. Track "TODO" and "FIXME" comments that do not contain a reference to a person

           Code Smell
        18. Multiple variables should not be declared on the same line

           Code Smell
        19. "struct" names should comply with a naming convention

           Code Smell
        20. File names should comply with a naming convention

           Code Smell
        21. Macro names should comply with a naming convention

           Code Smell
        22. Track lack of copyright and license headers

           Code Smell
        23. Comments should not be located at the end of lines of code

           Code Smell
        24. Functions without parameters should not use "(void)"

           Code Smell
        25. Assignment operators should return non-"const" reference to the assigned object

           Code Smell
        26. Statements should be on separate lines

           Code Smell
        27. Local variable and function parameter names should comply with a naming convention

           Code Smell
        28. Field names should comply with a naming convention

           Code Smell
        29. Lines should not end with trailing whitespaces

           Code Smell
        30. Files should end with a newline

           Code Smell
        31. Tabulation characters should not be used

           Code Smell
        32. Lines should not be too long

           Code Smell
        33. Class names should comply with a naming convention

           Code Smell
        34. Function names should comply with a naming convention

           Code Smell
        35. The "#include" directive shall be followed by either a "<filename>" or ""filename"" sequence

           Bug
        36. A "declaration" should not declare more than one variable or member variable

           Code Smell

        "union" names should comply with a naming convention

        consistency - identifiable
        maintainability
        Code Smell
        • convention

        Why is this an issue?

        Sharing some naming conventions enables teams to collaborate more efficiently. This rule checks that all union names and union type alias names match a provided regular expression.

        Noncompliant code example

        Using the default regular expression ^[A-Z][a-zA-Z0-9]*$:

        union my_union {
            int one;
            int two;
        };
        
        using my_other_union = union {
            int one;
            int two;
        };
        

        Compliant solution

        union MyUnion {
            int one;
            int two;
        };
        
        using MyOtherUnion = union {
            int one;
            int two;
        };
        

        Exceptions

        The rule ignores anonymous unions that are not type aliased.

        // Compliant by exception
        union {
            int a;
            bool b;
        } u;
        
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          Developer Edition
          Available Since
          9.1

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