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CERT C++: ERR54-CPP

Catch handlers should order their parameter types from most derived to least derived

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Description

Rule Definition

Catch handlers should order their parameter types from most derived to least derived.1

Polyspace Implementation

The rule checker checks for these issues:

  • Exception handlers not ordered from most-derived to base class.

  • Incorrect order of ellipsis handler.

Examples

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Issue

The issue occurs when you provide multiple handlers in a single try-catch statement or function-try-block for a derived class and some or all of its bases, and the handlers are not ordered from most-derived to base class.

Issue

The issue occurs when you provide multiple handlers in a single try-catch statement or function-try-block, and the ellipsis (catch-all) handler does not occur last.

Check Information

Group: 08. Exceptions and Error Handling (ERR)

Version History

Introduced in R2019a

See Also

Topics

External Websites

1 This software has been created by MathWorks incorporating portions of: the “SEI CERT-C Website,” © 2017 Carnegie Mellon University, the SEI CERT-C++ Web site © 2017 Carnegie Mellon University, ”SEI CERT C Coding Standard – Rules for Developing safe, Reliable and Secure systems – 2016 Edition,” © 2016 Carnegie Mellon University, and “SEI CERT C++ Coding Standard – Rules for Developing safe, Reliable and Secure systems in C++ – 2016 Edition” © 2016 Carnegie Mellon University, with special permission from its Software Engineering Institute.

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