| Commit message (Collapse) | Author | Age | Files | Lines |
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5d9cde105e added deep prohibition of nested classes within
a value class. This has the undesirable side effect of
prohibiting partial functions literals in method bodies
of a value class.
The intention of that prohibition was to avoid problems
in code using Type Tests, such as:
class C(val inner: A) extends AnyVal {
class D
}
def foo(a: Any, other: C) = a match { case _ : other.D }
Here, the pattern usually checks that `a.$outer == other`.
But that is incongruent with the way that `other` is erased
to `A`.
However, not all nested classes could lead us into this trap.
This commit slightly relaxes the restriction to allow anonymous
classes, which can't appear in a type test.
The test shows that the translation generates working code.
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[backport] SI-7498 ParTrieMap.foreach no longer crashes
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Previously, the `split` method of the `ParTrieMap` iterator threw
an exception when splitting a splitter that iterated over nodes
whose hash codes collide.
This was due to reusing the iterator of the list of colliding keys
rather than creating a new splitter.
This commit changes the `subdivide` method to create a new
iterator using the factory method of the current trie map
iterator rather than returning a `LinearSeqLike` iterator.
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SI-7505 Test case for pattern matcher + type alias bug
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Progressed along with SI-7214 in acd74cae09.
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Test for reading JDK 8 (classfile format 52) class files.
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We had several tests designed to only run if the JDK version was at
least some specified version. This commit refactors that common logic
into DirectTest.
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This commit includes a test for reading JDK 8 (classfile format 52)
class files, in particular default (aka defender) methods. It uses ASM
to generate an interface with default methods then exercises that
interface from Scala.
Surprisingly no changes are necessary to the Scala code base to support
reading format 52 class files.
Because the test can only run under JDK 8, the JDK version is checked
and the expected output is synthesized for previous versions.
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SI-6841 Fix bug at the intersection of DelayedInit and named args
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The DelayedInit transformation analyses the constructor to partition
regular initialization from calls to super constructors / trait
initializers.
It failed to find such super calls if they were nested in a Block,
which can happens when using named or default arguments.
This commit makes that code peer into Blocks to correctly partition
the constructor statements.
This change doesn't affect the result of run/t4680.scala, which was
mentioned in nearby comments and which chronicles bugs with DelayedInit
when used in inheritance hierarchies.
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SI-7558 Fix capture of free local vars in toolbox compiler
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It was creating an `ObjectRef[<notype>]` because of a small
bug in `capturedVariableType`.
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SI-7556 Fix runtime reflection involving ScalaLongSignature
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Scala type information is stored in classfiles in encoded in a String
in the ScalaSignature annotation. When it is too big for a single
String, it is split into an array of Strings in a different annotation,
ScalaLongSignature.
The enclosed test, with a class containing 3000 methods, uses the latter.
It exposes a bug in the way runtime reflection decodes that data.
It must concatentate and *then* decode, rather that the other way around.
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SI-7507 Fix lookup of private[this] member in presence of self type.
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In the following code:
trait Cake extends Slice
trait Slice { self: Cake => // must have self type that extends `Slice`
private[this] val bippy = () // must be private[this]
locally(bippy)
}
`ThisType(<Slice>)`.findMember(bippy)` excluded the private local member on
the grounds that the first class in the base type sequence, `Cake`, was
not contained in `Slice`.
scala> val thisType = typeOf[Slice].typeSymbol.thisType
thisType: $r.intp.global.Type = Slice.this.type
scala> thisType.baseClasses
res6: List[$r.intp.global.Symbol] = List(trait Cake, trait Slice, class Object, class Any)
This commit changes `findMember` to use the symbol of the `ThisType`, rather
than the first base class, as the location of the selection.
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SI-7375 ClassTag for value class aliases
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reifyRuntimeClass now always dealiases its argument prior to processing.
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SI-6138 Centralize and refine detection of `getClass` calls
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`getClass` is special cased in the compiler; this is described
in in the comments on `Definitions.Any_getClass`.
Part of this happens in `Typer#stabilize`. This was trying to determine
if an Ident or Select node was a call to `getClass` by merits of the name
of the tree's symbol and by checking that the its type (if it was a
MethodType or PolyType) had no parameters in the primary parameter list.
Overloaded user defined `getClass` methods confused this check. In the
enclosed test case, the tree `definitions.this.getClass` had an
`OverloadedType`, and such types always report an empty list of `params`.
This commit:
- changes `stabilize` to use `isGetClass`, rather than the
homebrew check
- changes `isGetClass` to consider a `Set[Symbol]` containing all
`getClass` variants. This moves some similar code from `Erasure`
to `Definitions`
- keeps a fast negative path in `isGetClass` based on the symbol's name
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SI-7391 Always use ForkJoin in Scala actors on ...
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... Java 6 and above (except when the porperty
actors.enableForkJoin says otherwise)
Like SI-7236 and SI-7237, the logic in
scala.actors.scheduler.ThreadPoolConfig.useForkJoin
(which resulted in a different thread pool implementation
being chosen) was causing random hangs in the test
concurrent-stream.scala when running on Avian.
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SI-7473 Bad for expr crashes postfix
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This commit makes building PostfixSelect robust against a bad pos
on its operand, which can happen if a bad for expression results
in an EmptyTree.
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A test case for a recent LUB progression.
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A test distilled from a Lift example that compiles correctly
under 2.10.1, but not under 2.10.0.
I pinpointed the progression to:
https://github.com/scala/scala/commit/a06d31f6#L0R6611
Chalk up another win for `dealiasWiden`.
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SI-7421 remove unneeded extra-attachement in maven deploy
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SI-7497 Fix scala.util.Properties.isMac
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It returned wrong values because it used the java.vendor
property instead of os.name.
See http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-November/005148.html
for the reason why we don't follow developer.apple.com/library/mac/#technotes/tn2002/tn2110.
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Increase build.number to 2.10.3
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Gets this branch ready for the next release in the 2.10.x series.
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c.typeCheck(silent = true) now suppresses ambiguous errors
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Otherwise use cases like the one shown in the attached test (trying to
typecheck something, which leads to an ambiguous overload error) will
mysteriously fail compilation.
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viktorklang/wip-removing-synchronization-from-DefaultPromise-2.10-√
Reimplementing blocking awaiting for Futures so only the blockers have t...
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Optimizations:
1) Avoiding to call 'synchronized' in tryComplete and in tryAwait
2) Implementing blocking by using an optimized latch so no blocking ops for non-blockers
3) Reducing method size of isCompleted to be cheaper to inline
4) 'result' to use Try.get instead of patmat
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SI-7201 scala-library's pom points to scaladoc url
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The project/properties/info.apiURL pom property is used by SBT
to link to an artifact's scaladoc.
For scala library version $v, the url is http://www.scala-lang.org/api/$v/
Note that actors, reflect and swing are included in the library docs in 2.10.x.
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SI-6424 Scaladoc: Use mapNodes.get(_) to avoid NoSuchElementException
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Use mapNodes.get(_) instead of mapNodes(_) to avoid NoSuchElementException.
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Prevent slash duplication.
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Don't add trailing slash to external doc URL if it already ends with
one.
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[backport #1727] SI-7359 cyclic nested java class
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The original commit message (from 54a84a36d5):
SI-6548 reflection correctly enters jinners
When completing Java classes, runtime reflection enumerates their
fields, methods, constructors and inner classes, loads them and
enters them into either the instance part (ClassSymbol) or the
static part (ModuleSymbol).
However unlike fields, methods and constructors, inner classes don't
need to be entered explicitly - they are entered implicitly when
being loaded.
This patch fixes the double-enter problem, make sure that enter-on-load
uses the correct owner, and also hardens jclassAsScala against double
enters that can occur in a different scenario.
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SI-7486 regression in implicit resolution.
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What a touchy beast the compiler is.
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[nomaster] unbreaks test.bc
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The optimizer behaves unexpectedly smartly, stripping off unused private
methods. Unfortunately, sometimes private methods might be compiled down
to public Java methods, so stripping them off might lead to binary
incompatibilities.
This particular commit recovers from this problem caused by
https://github.com/scala/scala/commit/5e715396af.
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SI-7464 allows FieldMirror.set to update vals
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There's no reason to leave such sentinels in place inside a facility
designed to circumvent usual restrictions of static types / visibility.
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