Re: @GWTCompatible

Do I assume that nothing came from this? We currently have to pre-parse all our source to handle what is and isn't compatible because our base project it too big to add @GwtIncompatible to everything.

On Monday, 22 June 2009 23:44:24 UTC+1, Tom Sorgie wrote:

Hey guys,

Ever since I first looked at the @GWTCompatible annotation packaged in
the google-collections rc1 library, I've been thinking about the ways
that that could be used to enable controlled code reuse in a semi-
automated manner.  To date i haven't seen any conversation on the
subject, so i wanted to see if I could get a little insight into the
planned direction (if any) for the GWTCompatible annotation support in
GWT.

In my wildest dreams (regarding gwt), I could envision a new "source"
type declaration in the module.gwt.xml file like super-source.  It
would be called something like "compatible-only-source".  Java files
found on this path would be passed over a pre-processor (like the jsni-
rewriter), that would only include classes marked with the
@GWTCompatible annotation, and only methods within not marked
@GWTIncompatible.

This would enable reuse of core utility libraries (where compatible),
or at least interfaces (where emulation is the preferred compatibility
approach).

Is this close to the direction you guys are thinking for the @gwtc
annotation?  Do you have something else in mind?  The other approach
i've thought of, would be to generate a valid gwt-module by
preprocessing a source tree that was marked up with compatible and
incompatible annotations.  Doesn't seem quite as useable (since you'd
need to run a preprocessor over your whole source base) as the first
one, but might have less complexity.


tom.

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