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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: 12 rules found
error-handling
    Impact
      Clean code attribute
        1. Move and swap operations should be "noexcept"

           Code Smell
        2. Exceptions should not be thrown in "noexcept" functions

           Code Smell
        3. Non-exception types should not be caught

           Code Smell
        4. Non-exception types should not be thrown

           Code Smell
        5. Destructors should be "noexcept"

           Bug
        6. General "catch" clauses should not be used

           Code Smell
        7. "catch" clauses should do more than rethrow

           Code Smell
        8. Exceptions should not be ignored

           Code Smell
        9. Exception specifications should not be used

           Code Smell
        10. Generic exceptions should not be caught

           Code Smell
        11. Try-catch blocks should not be nested

           Code Smell
        12. Generic exceptions should never be thrown

           Code Smell

        "catch" clauses should do more than rethrow

        intentionality - clear
        maintainability
        Code Smell
        • error-handling
        • unused
        • finding
        • clumsy

        Why is this an issue?

        A catch clause that only rethrows the caught exception has the same effect as omitting the catch altogether and letting it bubble up automatically.

        try {
          saveDocument();
        } catch (const std::exception& e) { // Noncompliant
          throw;
        }
        

        Such clauses should either be removed or populated with the appropriate logic.

        saveDocument();
        

        or

        try {
          saveDocument();
        } catch (const std::exception& e) {
          log << e.what();
          throw;
        }
        
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          on-premise CI
          Developer Edition
          Available Since
          9.1

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