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Home » Eclipse Projects » Dynamic Languages Toolkit (DLTK) » Interface usage in DBGP debugger(Interface and concrete classes are mixed at some places)
Interface usage in DBGP debugger [message #757520] Fri, 18 November 2011 18:12
Julien Desgats is currently offline Julien DesgatsFriend
Messages: 12
Registered: August 2011
Junior Member
I had to made some custom stuff on thread handling due to custom extensions on DBGP protocol and I faced some problems.

DLTK provides interfaces for most internal classes so I could implement a part of the debug model. The problem is at some places in implementation (and even sometimes in interfaces) the code references concrete classes and not interfaces. In my case it resulted into large portions of duplicate code or ugly hacks because I could not provide instances for DLTK internal classes.

For instance IScriptStack.getThread must return a ScriptThread and not a IScriptThread, DBGPSourceModule constructor takes a ScriptStackFrame parameter instead of IScriptStackFrame, ScriptVariable casts a IScriptThread to a ScriptThread (in clearEvaluationManagerCache).

Is these spots (the previous examples are not exhaustive) are really necessary or migrating to interfaces is a work in progress ? (in the latter case, I could provide some patches)
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