Some of these are actually supported by NetBeans, such as: LeakingThisInConstructor
Regards, Michael On Sat, Nov 17, 2012 at 12:39 AM, Stuart Marks <stuart.ma...@oracle.com> wrote: > On 11/15/12 3:06 AM, Alan Bateman wrote: >> >> On 14/11/2012 22:44, Chris Hegarty wrote: >>> >>> - @SuppressWarnings("unused") Eclipse??? >>> Do we have precedent for adding these suppressions?? >>> >> I don't see it in the -Xlint options that javac supports so it might be >> specific to ECJ. I recall this topic came up during one of the warnings >> clean-up days, Stuart might remember the outcome. > > > Yes, I gave an (Oracle internal) tech talk on warnings cleanup some time > back where I mentioned this issue. I'll repeat the results here for > everybody's benefit. > > The background is that the words that can be supplied to @SuppressWarnings > reside in an uncontrolled namespace. The JLS [1] defines only "unchecked" > and any others are compiler-specific. The set of words accepted here by > javac is the same as the words defined for -Xlint. > > I did a survey of the sources in the jdk repo and found that the > javac-defined warnings suppression tags were: > > deprecation fallthrough rawtypes serial try unchecked > > In addition, I found the following non-javac tags used: > > all > empty-statement > unused > LeakingThisInConstructor > OverridableMethodCallInConstructor > ResultOfObjectAllocationIgnored > SleepWhileHoldingLock > UnnecessaryLocalVariable > > I actually have no idea which tool processes these. The names are suggestive > though. I don't think we ever determined any policy about which names ought > to be used in the OpenJDK code base. At the very least I think any of the > javac -Xlint words is acceptable. I could be convinced that allowing others > is a good idea (such as the Eclipse ones) if they're useful and a definition > is available somewhere. > > s'marks > > > [1] http://docs.oracle.com/javase/specs/jls/se7/html/jls-9.html#jls-9.6.3.5