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Asked: 2026-05-16T02:24:20+00:00

I have a class with many methods and would like to check for pre/post

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I have a class with many methods and would like to check for pre/post conditions, such as is mMember == null and invoke function x() if not.

Is it possible to add pre/post conditions to every member of that class automatically? The class is defined in class.h and all methods are defined in class.cpp. Being able to define a macro at the start of the class.cpp would be ideal that would be inserted on every function entry in that file only.

I know I can manually add the same precondition/postcondition (using destructors) manually on every function entry but I keep running into this problem time and time again. This is not ideal as I can not check these changes in and must maintain them locally and they bit root from other people’s changes.

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1 Answer

  1. Editorial Team

    I have not ever been able to do this in C++; I’ve always used a set of macros manually added to each member function.

    It sounds like a job that might be well-suited to Aspect Oriented Programming, though, and I see that there are libraries out there for AOP in C++, such as AspectC++. It might be worth at least taking a look at one of these and seeing if it can be used to solve your problem.

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