On Tue, Aug 24, 2010 at 1:00 PM, John Chludzinski <
john.chludzinski at gmail.com> wrote:

> *Still not certain what problem, *
> *
> *
>
> *MapCache := WeakIdentityKeyDictionary new, *
>
> *
> *
> *(in DebuggerMethodMap class>>voidMapCache) solves?
> *
>

The use of a WeakIdentityKeyDictionary  stops the debugger from holding onto
obsolete methods, which in turn stops it form holding onto obsolete classes.
The map cache itself speeds up the debugger, avoiding running the compiler
for the most recent N debugged methods.

does that help?

Eliot


> **
> On Mon, Aug 23, 2010, *Levente Uzonyi* leves at elte.hu <squeak-dev%40lists.squeakfoundation.org?Subject=%5Bsqueak-dev%5D%20Squeak%204.1%20debugger%20problems.&In-Reply-To=AANLkTim_buXMB1JEoL7JOwUPz5tMFj%2Bbv4BKeOtZKCD1%40mail.gmail.com>
>  wrote:
>
>
> On Mon, 23 Aug 2010, John Chludzinski wrote:
>
> >* I set a number of break points in my code (self break.).  Had no problems*>* for a while BUT then I got the emergency debugger in the upper left corner*>* (Object>>primitiveError:).  Looking at the call stack showed a number of*>* problems:*>**>* 1) CompiledMethod>>asString does NOT exist!*
>
> #asString is defined in ByteArray, the superclass of CompiledMethod, but
> if you send it to a CompiledMethod, it will raise an error.
>
> >**
> >* 2) DebuggerMethodMap>>cacheDebugMap:forMethod:  appears to be deleting the*>* most recent (not oldest) entry from MapCache?*
>
> You're right. That method has several other issues, it should be
> rewritten.
>
>
> Levente
>
>
>>
>
>
>
>
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