Section :: Blog

JRuby Debugging In Visual Studio

by Huw Collingbourne

Enter JCylon

Friday 7 March 2008.

As reported yesterday by InfoQ, we are about to launch fully integrated JRuby support in the forthcoming update to Ruby In Steel Developer. This includes a new JRuby version of our fast Cylon debugger (‘JCylon’) which, as you can see from the screenshot, is not a ‘cut down’ version - it’s the Fully Monty!

Just to prove that this really is the JRuby debugger, we’ve added JRUBY_VERSION to the Watch window!

In common with our existing Cylon debugger for the standard (‘Matz’) Ruby interpreter, JCylon will provide the following features:

Breakpoints
Watch Variables
Autos window
Show Locals
Show Globals
Show Instance Variables
Step Into
Step Out
Step Over
Drill-down (variable expansion) in debug window
Hover and drill-down over variables in code editor
Call stack window with call-stack navigation
Docked interactive JRuby console.

Cylon in Ruby In Steel 1.2 will also have these new features:
Tracepoints
The ability to modify Watch Variable values when stopped at a breakpoint
Conditional Breakpoints
Break All
Configurable details in Autos window
Simple toggle between Standard Ruby and JRuby to run or debug.

(For a more complete list of existing debugger features see the Feature List. More on the new features in RiS 1.2, see HERE. ).

JRuby integration will be a part of Ruby In Steel Developer 1.2. The 2nd beta of this will be made available to registered users within the next few days. The finished product will ship at the end of March. Ruby In Steel 1.2 will be a free upgrade to all registered users of Ruby In Steel Developer.

We’ll be giving more details of our JRuby support here on the Blog next week.

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