Summit2008/Sessions/Proposals/Firebug & Chrome

Presented by John J. Barton and Jan Odvarko

As presented

We propose to give a structured presentation mixing slides, demos, and questions, followed by a brainstorming open discussion on future directions.

What is Firebug

• Overview, Demo

A Little History of Firebug

• Joe Hewitt 1.0 and Open Source
• 1.1 -- eval debugging, Firebug Working Group
• 1.2 -- scaling/performance

Chromebug

• Demo

Architecture

• 35kloc javascript
• XUL/Component/jsd
• modules, panels, contexts, events

Extensions

• YSlow
• FirePHP
• more from rest from Honza

Limitations and Problems with jsd

• Every callback in a debugger should have the call stack
• Pre-tabbrowser architecture problems
• Script type identifiers
• Compilation Unit structure
• Memory and GC info
• Closures
• Read only Stack/Script

Competition

• Venkman, Webkit, IE?
• Input from audience please.

New Directions

• Firebug 1.3: extensions, testing
• Firebug 1.4: socialized debugging, runtime-integrated editing, x-site debugging?
• Firebug 2.0: jit support, jit debugging
• Input from audience please.