V553. The length of function's body or class's declaration is more than 2000 lines long. You should consider refactoring the code.

The analyzer detected a class definition or function body that occupies more than 2000 lines. This class or function does not necessarily contain errors yet the probability is very high. The larger a function is, the more probable it is to make an error and the more difficult it is to debug. The larger a class is, the more difficult it is to examine its interfaces.

This message is a good opportunity to find time for code refactoring at last. Yes, you always have to do something urgent but the larger you functions and classes are, the more time you will spend on supporting the old code and eliminating errors in it instead of writing a new functionality.


  • Steve McConnell, "Code Complete, 2nd Edition" Microsoft Press, Paperback, 2nd edition, Published June 2004, 914 pages, ISBN: 0-7356-1967-0. (Part 7.4. How Long Can a Routine Be?).

Bugs Found

Checked Projects
Collected Errors
14 312
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