Code evolves constantly during the initial development. When you look at the TRAC project (trac.edgewall.org) you can see all the tickets raised during the development stage of a project. Soon I will be posting a software maintenance version of TRAC that we are developing currently. I will place it in the S3M WIKI so you can take it and try it. We also have developed a script to install TRAC easily. I will place it there too ! Lets get back to our topic.
When you open up the code to make a change you have an opportunity to make a small improvement. I like this approach instead of creating a reengineering project. What to look for:
- A loop that is too long or too deep.
- A class that has no cohesion
- An interface that does not give a coherent abstraction level
- Too many parameters
- Classes that do not do anything meaningful
Steve McConnell's book 'Code complete' tells you some more
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