scala-ide/scala-ide — comment on commit bf6de571469dcc92385c0f140ece0b2722cde42f
File:  line 0
By milessabin:

They can be. If you need a filesystem path for the compiler you can get it from the bundle using Equinox APIs ... I did that for the continuations plugin, so there's code in there somewhere you could use as a model.