[Pharo-users] Renaming a Class triggers debugger

Nicolai Hess nicolaihess at web.de
Tue Oct 13 17:52:44 EDT 2015


Hi Lyn

2015-10-13 21:36 GMT+02:00 Lyn Headley <laheadle at gmail.com>:

> Hello,
>
> I'm running pharo 4 and I'm having a problem. I recently renamed a
> class using the rename: menu item in the standard system browser (I
> believe it's called Nautilus) and now I am getting uncaught exceptions
> whenever I add or remove a method (three debugger windows pop
> up). Here is the stack trace; any advice?
>

The error is from the MessageBrowser, the MessageBrowser registers itself
for every class change (method added/removed) and tests if this added /
removed
message should be removed/added to its lists.

Do you have any MessageBrowser open ?
- a sendersOf or implementorsOf
- if so,  what search term is used in the browser (see window title)

I tried to recreate this error but all I could get was a MessageBrowser with
"nil" entries - no exception was thrown.


>
> Thank you.
>
> Lyn
>
> Author: LynHeadley
> Date: 2015-10-13T08:51:16.837987-07:00
>
> UndefinedObject(Object)>>doesNotUnderstand: #theMetaClass
> RGMetaclassDefinition>>realClass
> RGMethodDefinition(RGElementDefinition)>>realParent
> RGMethodDefinition(RGElementDefinition)>>realClass
> RGMethodDefinition>>methodClass
> ByteSymbol(Symbol)>>value:
> OrderedCollection>>collect:
> MessageBrowser>>buildHierarchyForMessages:
> MessageBrowser>>cacheHierarchyForClasses:
> MessageBrowser>>messages:
> [
> (item methodClass notNil and: [ item methodClass isObsolete not ])
> ifTrue: [
> | sel text boolean |
> boolean := textModel hasUnacceptedEdits.
> boolean
> ifTrue: [ text := textModel pendingText ].
> sel := listModel selectedItem.
> self
> messages:
> (listModel listItems
> add: item asFullRingDefinition;
> yourself).
> listModel setSelectedItem: sel.
> boolean
> ifTrue: [ textModel pendingText: text ] ] ] in MessageBrowser>>methodAdded:
> WorldState>>runStepMethodsIn:
> WorldMorph>>runStepMethods
> WorldState>>doOneCycleNowFor:
> WorldState>>doOneCycleFor:
> WorldMorph>>doOneCycle
> [
> [
> World doOneCycle.
> Processor yield.
> false ] whileFalse: [  ] ] in MorphicUIManager>>spawnNewProcess
> [
> self value.
> Processor terminateActive ] in BlockClosure>>newProcess
>
>
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