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author | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2014-03-14 12:56:11 +0100 |
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committer | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2014-03-19 14:13:47 +0100 |
commit | 5cbd2fbc8409b446f8751792b006693e1d091055 (patch) | |
tree | 6440bff96597df0e10e69a66ec673091f92ea284 /test/test/transform/CreateCompanionObjectsTest.scala | |
parent | 46856320f4e21d94b3c5c29a921efac40e12421f (diff) | |
download | dotty-5cbd2fbc8409b446f8751792b006693e1d091055.tar.gz dotty-5cbd2fbc8409b446f8751792b006693e1d091055.tar.bz2 dotty-5cbd2fbc8409b446f8751792b006693e1d091055.zip |
LazyVals phase.
Creates accessors for lazy vals:
1) lazy local vals are rewritten to dotty.runtime.Lazy*** holders
2) for a non-volatile field lazy val create a non-thread-safe accessor and flag:
2.a) if lazy val type indicates that val is not nullable, uses null value as a flag
2.b) else uses boolean flag for sake of performance, method size, and
allowing more jvm optimizations
3) for a volatile field lazy val use double locking scheme, that guaranties no
spurious deadlocks, using long bits as bitmaps and creating companion
objects to store offsets needed for unsafe methods.
Conflicts:
test/dotc/tests.scala
Diffstat (limited to 'test/test/transform/CreateCompanionObjectsTest.scala')
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