Debugging tips

Debugging is a very important part of developing programs and becomes a difficult task if the program being debugged is large and complex. Here are some tips which may help you with debugging:

Try to write small procedures and test them immediately if possible. Working with small increments reduces complexity.
Inspect the values of variables while debugging by using watches or moving the mouse over them.
Breakpoints are very useful for debugging large programs, you can set breakpoints on a line in the source but also on a certain state of the inference engine in combination with a predicate indicator of a user-defined procedure.
Having predicates that help you with debugging a program require effort to create and maintain but they are worth it. Writing data to the text console window is often useful.
The reserved variable names __FILE__, __LINE__ and __MODULE__ can give information about the location of source code in a project.

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