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This way changes made to Scala compiler sources are visible to partest
in Eclipse.
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Use 2.11.0 as the MiMa baseline for 2.11.x
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Rather than 2.11.0-RC3.
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Respect -Dpartest.scalac_opts when running the test suite through ANT
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Used to enable `-Xcheckinit` (now also `-Ybackend:GenBCode`) when
compiling tests in the respective jenkins builds. This is currently
broken, as you can see in [recent build logs] [1], `-Xcheckinit` is
missing:
[partest] Scalac options are: -optimise
Adds `.flags` files for macro tests (correct range positions not
enforced) and for tests failing due to SI-8560 or SI-8562.
[1]: https://scala-webapps.epfl.ch/jenkins/view/nightlies/job/scala-nightly-checkinit/2058/consoleFull
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Re-enable typechecked types part of quasiquote test suite
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It was accidentally disabled.
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IntelliJ project files
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Fixes compilation within IDEA. Allows compiling and running JUnit tests directly withing the IDE.
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Use named class for UndoPair.
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Use specific, named class for UndoPair instead of generic Tuple2. This
makes analysis of heap dumps much easier because profilers let you inspect
memory consumption on per-class basis.
The UndoPair case class is defined in companion object to not hold an
outer pointer reference.
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Restore linking to source from scaladoc.
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Somehow the `docsourceurl` param got dropped in the build refactor.
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SI-8478 Fix a performance regression in subtyping
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When checking `M[X] <:< M[Y]` for an `M` with an invariant
parameter, we have to check that `X <:< Y && Y <:< X`. This is
done in `isSubArgs`.
The compile time of that program in the ticket jumps from 20s in
2.10.4 to too-long-to-measure in 2.11.0. This commit reverts the
a subtle change to `isSubArgs` in ea93654 that was ultimately
responsible.
The search for this was unusually circuitious, even for scalac.
It appeared in 9c09c1709 due a tiny error that has since been
reverted in 58bfa19. But 58bfa19 still exhibited abysmal performance,
due to an intervening regression that I'm targeting here.
I haven't managed to extract a performance test from Slick. Using
the test that @cvogt provided, however, with this patch:
% time qbin/scalac -J-Xmx4G -classpath /Users/jason/code/slick-presentation/target/scala-2.10/classes:/Users/jason/.sbt/0.13/staging/b64b71d1228cdfe7b6d8/slick/target/scala-2.10/classes:/Users/jason/.ivy2/cache/org.slf4j/slf4j-api/jars/slf4j-api-1.6.4.jar /Users/jason/code/slick-presentation/src/main/scala/SlickPresentation.scala
real 0m21.853s
user 0m33.625s
sys 0m0.878s
Which is back to 2.10.x style performance.
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retronym/topic/continuations-cross-version-strikes-back
Another spot to fully cross version continuations plugin
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The continuations plugin is fully cross versioned, as it
dependes on the non-BC compiler API.
I had to make the same change externally releasing 2.11.0:
https://github.com/scala/jenkins-scripts/pull/99/files
This fix addresses the problem in scala/scala. Without it,
we can't resolve dependencies in development.
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SI-8329 Better hygiene for patmat partial functions
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Don't enter synthetic parameters of `applyOrElse` et al into
scope when typechecking the user-code; instead reference those
symbolically.
There is an exception to this principle. Currently we allow:
val x: PartialFunction[A, B] = x => x match { ... }
For this pattern of code, we use the given name `x` for the
corresponding method parameter of `applyOrElse` and `isDefinedAt`
and we actually need this to be in scope when we typecheck the
scrutinee. This construct is tested in `run/virtpatmat_partial.scala`.
A new parameter, `paramSynthetic`, differentiates this
case from the more typical `val x: PF[A, B] = { case ... => ... ; ... }
case, which uses a fresh name need not be in scope. (We could get
away with it, as it is fresh, but I thought it better to exclude it.)
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SI-8463 Avoid unpositioned errors from search for views
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Ideally, I'd like to fix this using `saveErrors = false` here to
firewall the enclosing context from the ambiguiouty error encountered
during implicit search.
I originally proposed that patch as a fix for SI-8419 in
https://github.com/scala/scala/pull/3460 but withdrew from
that approach as I uncovered a deeper bug that meant that
we actually shouldn't have even been looking for views in
that case.
But, this runs into SI-8230 and these failures:
test/partest --update-check \
/Users/jason/code/scala/test/files/pos/t2504.scala \
/Users/jason/code/scala/test/files/pos/t4457_1.scala \
/Users/jason/code/scala/test/files/neg/t4457_2.scala
Turns out that typechecking the ostensible straight forward
application, `Array("abc")`, hinges on us leaking an ambiguity
error from `viewExists` to find a path through overload resolution!
This commit takes a tiny step forward by using `context.tree`
rather than `EmptyTree` as the argument to `inferImplicit`.
This avoids unpositioned type errors.
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SI-8514 Remove scaladoc html inconsistencies
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Some classes only got inline comments instead of getting the full comment.
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SI-8520 Fix -Dscalac.patmat.analysisBudget=off
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Correctly parse "off" instead of throwing java.lang.NumberFormatException
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SI-8497 Fix regression in pickling of AnnotatedTypes
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Fixes an inconsistency introduced in these two spots:
https://github.com/scala/scala/pull/3033/files#diff-6ce1a17ebee31068f41c36a8a2b3bc9aR79
https://github.com/scala/scala/pull/3033/files#diff-c455cb229f5227b1bcaa1544478fe3acR452
The bug shows up when pickling then unpickling an AnnotatedType
that has only non-static annotations.
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SI-8144 permalinks in scaladoc
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SI-8430 Less non-determinism in patmat exhautiveness warnings
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Another mole whacked on the head by using `LinkedHashMap`.
Caution: `LinkedHashMap` doesn't preserve its runtime type if
you map through the generic interface. I've noted this gotcha as
SI-8434. I've structured this patch to enforce that concrete
collection with types, which is a good idea anyway.
My method to track this down was to place breakpoints in
`Hash{Map,Set}`.{foreach,iterator}` to see where that was
used from within pattern match translation. This approach was
drastically faster than my previous rounds of whack-a-mole.
The counter-examples are still a bit off; I'm going to merge
that aspect of this ticket with SI-7746, in which we've
pinpointed the culpable part of the implementation, but haven't
had success in fixing the bug.
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SI-8415 Exception handling in REPL init
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Incremental robustness, and probe for typer phase.
The probe would be unnecessary if repl contributed a
terminal phase that "requires" whatever it needs; that
is checked when the Run is built.
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Bump versions after release of 2.11.0-final
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Unlike in previous major releases, we haven't branched for
2.12 yet. So for the time being, master will continue to
host 2.11.x, and we'll focus on BC changes in 2.11.1 for
the next month before branching.
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New versions.properties generated by:
https://scala-webapps.epfl.ch/jenkins/view/scala-release-2.11.x/job/scala-release-2.11.x/57/
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SI-7992 Fix super-accessor generation after a local class
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The transformer in the superaccessors phase uses the var
`validCurrentOwner` to track whether we're in a part of the
code that won't end up in the host method, and as such, will
need to access super-method via a super-accessor.
But, this bit of bookkeeping was not correctly reset after traversing
out of a local class. A `VerifyError` ensued.
This commit changes `atOwner` to save and restore that flag, rather
than leaving it set to `true`.
I've also added a test variation using a by-name argument.
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SI-8450 no "implicit numeric widening" in silent mode
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Before this fix, we get a second, spurious warning.
```
t8450.scala:5: warning: implicit numeric widening
def elapsed: Foo = (System.nanoTime - 100L).foo
^
t8450.scala:11: warning: implicit numeric widening
def elapsed: Foo = (System.nanoTime - 100L).foo
^
error: No warnings can be incurred under -Xfatal-warnings.
two warnings found
one error found
```
By respecting silent contexts, we now get only one.
I sneakily fixed similar occurrences without adding a test.
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SI-8461 -Xsource:2.10 mode for macro signature checks
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I can't get the test to fail in partest, so I've resorted to
a manual test case.
% qbin/scalac -nobootcp -Dscala.usejavacp=false -Xsource:2.10 -classpath $HOME/.m2/repository/org/scala-lang/scala-library/2.10.3/scala-library-2.10.3.jar:$HOME/.m2/repository/org/scala-lang/scala-reflect/2.10.3/scala-reflect-2.10.3.jar test/files/pos/t8461/Impl.scala
warning: there were 1 deprecation warning(s); re-run with -deprecation for details
one warning found
% qbin/scalac -nobootcp -Dscala.usejavacp=false -Xsource:2.11 -classpath $HOME/.m2/repository/org/scala-lang/scala-library/2.10.3/scala-library-2.10.3.jar:$HOME/.m2/repository/org/scala-lang/scala-reflect/2.10.3/scala-reflect-2.10.3.jar test/files/pos/t8461/Impl.scala
test/files/pos/t8461/Impl.scala:6: error: macro implementations cannot have implicit parameters other than WeakTypeTag evidences
def reads[A] = macro readsImpl[A]
^
one error found
Before this change, when using a 2.10 JAR for scala-reflect, the
macro signature validation checks failed. This was due to the fact
that `scala.reflect.macros.Context` was changed in 2.11 to be
a type alias.
To get things working again, I've had to route both
`defintions.{WhiteBoxContextClass, BlackBoxContextClass}` to the
old location. This might mean that we misclassify the boxity under
this mode. All that we can actually handle are blackbox macros, really,
as macro expansion is likely to hit binary incompatibilites very
quickly. We can refine this in subsequent releases.
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Bump versions after release of Scala 2.11.0-RC4
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Quoth @rkuhn:
> seeing that you are cutting a Scala release, we’ll need to
> decide on which Akka version to bundle with it. 2.3.0 has
> some remoting bugs which we’d like to leave behind
Given the difficult of overriding the bundled Akka version
from the Scala script runner (SI-8472), we've deemed it
worthwhile to bump the Akka version before releasing 2.11.0.
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Based on:
https://scala-webapps.epfl.ch/jenkins/view/scala-release-2.11.x/job/scala-release-2.11.x/52/artifact/scala/versions.properties
With a manual edit of the new property, scala.full.version, which
was not written out by `ant -Dupdate.versions`. That has since
been remedied.
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Correction in the documentation.
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Update references to quasiquotes guide
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Render scala.full.version to versions.properties.
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