Howto:Extend Nasal: Difference between revisions

Howto:Extend Nasal (view source)

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 = Things to avoid =
-And just for completeness: things get *really* complicated if you need to *store* a naRef you got from a Nasal script in a place where the interpreter can't see it.  There is a minimal API to handle this (naSave()), but it doesn't have a corrresponding call to release a saved object.  Just don't do this, basically.  Always keep your Nasal data in Nasal space.
+And just for completeness: things get *really* complicated if you need to *store* a naRef you got from a Nasal script in a place where the interpreter can't see it.
+There is a minimal API to handle this:
+ // "Save" this object in the context, preventing it (and objects
+ // referenced by it) from being garbage collected.
+ void naSave(naContext ctx, naRef obj);
+But this API doesn't yet have a corresponding call to release a saved object.
+Just don't do this, basically.  Always keep your Nasal data in Nasal space.
 [[Category:Nasal]]
 [[Category:Core Documentation]]