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Instead of changing warnings to errors mid-stream, at the end of
a run I check for condition "no errors, some warnings, and fatal
warnings" and then generate an error at that point. This is
necessary to test for some warnings which come from later stages.
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The @migration annotation can now be used like @deprecation.
Old syntax is still supported, but deprecated.
Improve wording and consistency of migration messages, migration
warnings also print the version in which the change occurred now.
Partially fixes SI-4990.
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Removing the code which has been deprecated since 2.8.0. Contributed by
Simon Ochsenreither, although deleting code is such fun one hesitates to
call it a contribution. Still, we will. Closes SI-4860, no review.
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positioning fix for infix expressions: report error at the operator
instead of at the receiver of a binop
In general use the operator position as the Select position's point
instead of the left or right expression. Position.union always uses the
receiver's point as point of the result, so swapping fixes that.
See http://www.scala-lang.org/node/6912 for the report.
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changes necessary to plug it back in while preserving everything which
has happened since then in tests and such, but we should be the lookout
for overreversion. Review by phaller (but as a formality, I don't think
it requires direct review.)
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If I work on this patch any longer without checking in I will go
stark raving mad. It is broken up into a couple pieces. This one is
the changes to test/. It includes fixing a bunch of tests, removing
deprecated constructs, moving jars used by tests to the most specific
plausible location rather than having all jars on the classpath of all
tests, and some filesystem layout change (continuations get their whole
own srcpath.) This would be the world's most tedious review, so let's
say no review.
[Note: after this commit, I doubt things will build very smoothly until
the rest of the partest changes follow. Which should only be seconds,
but just in case.]
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Leveraged -Xmigration to burn off some warts which arose in the new
collections. Warnings put in place for behavioral changes, allowing the
following. 1) Buffers: create new collections on
++ and -- like all the other collections. 2) Maps: eliminated
never-shipped redundant method valuesIterable and supplied these
return types:
def keys: Iterable[A]
def keysIterator: Iterator[A]
def values: Iterable[B]
def valuesIterator: Iterator[B]
def keySet: Set[A]
I concluded that keys should return Iterable because keySet also exists
on Map, and is not solely in the province of Maps even if we wanted to
change it: it's defined on Sorted and also appears in some Sets. So it
seems sensible to have keySet return a Set and keys return the more
general type.
Closes #3089, #3145. Review by odersky.
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Added -Xmigration option and @migration annotation. At present it will
warn about the following changes from 2.7 to 2.8:
Stack iterator order reversed
mutable.Set.map returns a Set and thus discards duplicates
A case 'x @ Pattern' matches differently than 'Pattern'
Review by odersky.
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