smalltalk

See TODOs in ClipboardExtendedPlugin.java.

Today I was doing a lot of changes on some variables in a deep hierarchy.

Current Pharo tools allow developers to find accesses to a variable in a class but not in a hierarchy so I had to make this snippet:

origin := AbstractWidgetPresenter.
variableName := #borderColor.
(origin slots detect: [ :e | e name = variableName ]) usingMethods collect: #methodClass as: Set

(Same issue than in Newspeak, see https://groups.google.com/forum/#!msg/newspeaklanguage/PJeOLjxq_yA/ND3Jel_nAQAJ)

As per Newspeak spec, a call to a primary factory method should return a new instance of a given class. Sometimes it doesn't, as in:

class WhatDoesNewReturn = (
  true ifTrue: [ ^ nil ].
)()

where a call to WhatDoesNewReturn new will return nil instead of an i