Generating Cross-References
Running an occasional cross-reference check on your code when you are developing a program is a good idea. If there are missing functions, you will discover this before you run your program, not after.
You can generate cross-references
using the xref
module. xref works only if your code has been compiled
with the debug_info flag set.
I can’t show you the
output of xref on the code accompanying this book, because
the development is complete and there aren’t any missing
functions. Instead, I’ll show you what happens when I run a
cross-reference check on the code in one of my hobby projects.
vsg is a simple graphics program that I might release
one day. We’ll do an analysis of the code in the vsg directory where ...
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