Aptana Studio 3+ has Ruby debugging. Unlike checkpoints in HAML files, I am poorly versed, I was able to use this without any problems.
However, you must make sure that you have installed gem ruby-debug-ide(you can install it using the command:) gem install ruby-debug-ide.
, , gem list ( , ) , ... :
ruby-debug-base19 (0.11.25)
ruby-debug-ide (0.4.16)
, !