[squeak-dev] Environments question

Chris Muller asqueaker at gmail.com
Wed Apr 9 00:42:05 UTC 2014

> That's exactly right. Environments swizzles bindings around so that  you can
> refer
> to classes by whatever names you want, but it doesn't change your source
> code to
> actually use those names.
> If you've got a pre-existing MyApp that refers to Magma classes via prefixed
> names,
> when you load it into appEnv, it won't have any changes, but all those
> references
> will be broken. You'll need to rewrite the source code to use the new names.
> (Should
> be fairly easy with the RB).
> If you're starting your app from scratch, it's less of an issue. :-)

Wow, that is surprising.  I always thought of Environments as the tool
to _save_ me from having to use the Rewrite tool.  I also didn't
realize that the source codebase needs to be kept in-sync with the
Environment declarations.  Wouldn't it be better to let code remain
unaware of Environments?

More information about the Squeak-dev mailing list