| Commit message (Collapse) | Author | Age | Files | Lines |
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Conflicts:
build.sbt
scripts/jobs/integrate/bootstrap
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Conflicts:
src/compiler/scala/tools/nsc/backend/opt/ConstantOptimization.scala
src/compiler/scala/tools/nsc/transform/Constructors.scala
src/compiler/scala/tools/nsc/typechecker/Contexts.scala
src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala
src/scaladoc/scala/tools/nsc/doc/html/resource/lib/jquery.layout.js
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- Fix the scoping of files/lib/*.jar. These files were not on the
classpath when running partest from sbt.
- Pass the same standard Java options to partest as from the command
line. This requires new versions of scala-partest and
scala-partest-interface.
- Fix the classpath scanning in jvm/innerClassEnclMethodJavaReflection.
It only worked for JARs and relative directories but not for absolute
directory paths (which are produced by sbt).
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With GenBCode being the default and only supported backend for Java 8,
we can get rid of GenASM.
This commit also fixes/migrates/moves to pending/deletes tests which
depended on GenASM before.
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Otherwise we lose the side effect of a `NegativeArraySizeException`.
A test for this case already exists (run/t8601b.scala), but it currently
enforces `-optimize -Ybackend:GenASM`, so it didn't trigger on the new
backend. However, PR #4814 was merged into 2.12.x and moved that test
over to the new backend and optimizer. After merging the 2.12.x into
the current optimizer branch (push-pop elimination), the test started
failing.
Also disable the optimizer for `jvm/bytecode-test-example`: it counts
the number of null checks in a method, the optimizer (rightly) eliminates
one of the two.
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The InnerClass attribute needs to contain an entry for every nested
class that is defined or referenced in a class. Details are in a
doc comment in BTypes.scala.
Instead of collecting ClassBTypes of nested classes into a hash map
during code generation, traverse the class before writing it out to
disk. The previous approach was incorrect as soon as the generated
bytecode was modified by the optimzier (DCE, inlining).
Fixes https://github.com/scala/scala-dev/issues/21.
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The classic banner is available under -Dscala.repl.power.banner=classic.
```
scala> :power
Power mode enabled. :phase is at typer.
import scala.tools.nsc._, intp.global._, definitions._
Try :help or completions for vals._ and power._
```
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all conflicts were because the changes changed code that
doesn't exist anymore in 2.12; they were resolved with
`git checkout --ours`
c201eac changed bincompat-forward.whitelist.conf but
I dropped the change in this merge because it refers
to AbstractPromise which no longer exists in 2.12
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SI-1931 Hide Predef.any2stringadd in REPL
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User imports that reference Predef are relocated to the top of
the wrapping template so that they can hide implicits defined
in Predef.
Only one import from Predef is retained for special treatment.
This is simple and sane. The test shows that `import Predef._`
restores Predef implicits even if a user-defined term would
normally be in scope.
A smart `:import` command to turn off or quarantine imports explicitly
would allow fine-grained control.
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The Scala classfile and java source parsers make Java annotation
classes (which are actually interfaces at the classfile level) look
like Scala annotation classes:
- the INTERFACE / ABSTRACT flags are not added
- scala.annotation.Annotation is added as superclass
- scala.annotation.ClassfileAnnotation is added as interface
This makes type-checking @Annot uniform, whether it is defined in Java
or Scala.
This is a hack that leads to various bugs (SI-9393, SI-9400). Instead
the type-checking should be special-cased for Java annotations.
This commit fixes SI-9393 and a part of SI-9400, but it's still easy
to generate invalid classfiles. Restores the assertions that were
disabled in #4621. I'd like to leave these assertions in: they
are valuable and helped uncovering the issue being fixed here.
A new flag JAVA_ANNOTATION is introduced for Java annotation
ClassSymbols, similar to the existing ENUM flag. When building
ClassBTypes for Java annotations, the flags, superclass and interfaces
are recovered to represent the situation in the classfile.
Cleans up and documents the flags space in the area of "late" and
"anti" flags.
The test for SI-9393 is extended to test both the classfile and the
java source parser.
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The Scala classfile and java source parsers make Java annotation
classes (which are actually interfaces at the classfile level) look
like Scala annotation classes:
- the INTERFACE / ABSTRACT flags are not added
- scala.annotation.Annotation is added as superclass
- scala.annotation.ClassfileAnnotation is added as interface
This makes type-checking @Annot uniform, whether it is defined in Java
or Scala.
This is a hack that leads to various bugs (SI-9393, SI-9400). Instead
the type-checking should be special-cased for Java annotations.
This commit fixes SI-9393 and a part of SI-9400, but it's still easy
to generate invalid classfiles. Restores the assertions that were
disabled in #4621. I'd like to leave these assertions in: they
are valuable and helped uncovering the issue being fixed here.
A new flag JAVA_ANNOTATION is introduced for Java annotation
ClassSymbols, similar to the existing ENUM flag. When building
ClassBTypes for Java annotations, the flags, superclass and interfaces
are recovered to represent the situation in the classfile.
Cleans up and documents the flags space in the area of "late" and
"anti" flags.
The test for SI-9393 is extended to test both the classfile and the
java source parser.
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Use j.u.c.Forkjoin directly in active and disabled tests
Remove bitrotted benchmarks code
I was going to update these to use `java.util.concurrent.ForkJoin`
directly, instead of our deprecated stubs.
But most of them don't compile anymore (e.g. scala.testing.Benchmark
has been removed, ClassTag imports missing).
While I'm all for benchmarks, we should have large swathes of code
checked in that isn't at compiled and run automatically.
I'm happy to help someone resurrect these in a suitable form.
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Provide deprecated compatibility stubs for the types and static members,
which forward as follows:
```
scala.concurrent.forkjoin.ForkJoinPool => java.util.concurrent.ForkJoinPool
scala.concurrent.forkjoin.ForkJoinTask => java.util.concurrent.ForkJoinTask
scala.concurrent.forkjoin.ForkJoinWorkerThread => java.util.concurrent.ForkJoinWorkerThread
scala.concurrent.forkjoin.LinkedTransferQueue => java.util.concurrent.LinkedTransferQueue
scala.concurrent.forkjoin.RecursiveAction => java.util.concurrent.RecursiveAction
scala.concurrent.forkjoin.RecursiveTask => java.util.concurrent.RecursiveTask
scala.concurrent.forkjoin.ThreadLocalRandom => java.util.concurrent.ThreadLocalRandom
```
To prepare for Java 9, the Scala library does not itself use `sun.misc.Unsafe`.
However, for now, it provide a convenience accessor for it
via `scala.concurrent.util.Unsafe`. This (deprecated) class will
be removed as soon as the eco-system drops its use
(akka-actor, I'm looking at you).
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merge/2.11.x-to-2.12.x-20150713
Conflicts:
src/eclipse/partest/.classpath
src/eclipse/repl/.classpath
test/files/run/nothingTypeNoFramesNoDce.scala
test/files/run/repl-javap-app.check
Also fixup two .classpath files with updated partest, xml and
parser combinators JARs.
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Fix 27 typos (p-r)
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SI-9206 REPL custom bits
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Everyone knows that a `help` command will result in `more information`.
This commit moves the version string to the second line and adds some
verve to the welcome.
If anyone can't live without the old banner, they are now able to
configure it explicitly, so there is still no blood on our hands.
```
$ scala
Welcome to Scala version 2.11.6 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_40).
Type in expressions to have them evaluated.
Type :help for more information.
scala> :quit
$ skala
Welcome to Scala!
version 2.11.7-20150623-155244-eab44dd092 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_40).
Type in expressions for evaluation. Or try :help.
scala> :quit
```
REPL tests now lop off the actual length of the welcome header; or, if
necessary, remove the version number from a header embedded in output.
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Move run/t8960 to pending
It tests the serialVersionUID field on closure classes. The field
doesn't exist for indyLambda closures.
See https://issues.scala-lang.org/browse/SI-9373
Move some reify tests to pending
They fail at runtime in GenBCode since scala is built with indyLambda
enabled:
java.lang.AssertionError: assertion failed: Bad superClass for trait JFunction1: class Any
at scala.tools.nsc.Global.assert(Global.scala:261)
at scala.tools.nsc.backend.jvm.BTypesFromSymbols.setClassInfo(BTypesFromSymbols.scala:228)
Noted in https://issues.scala-lang.org/browse/SI-9374
force t6546 to GenASM - no closure elimination in GenBCode yet
Noted in https://issues.scala-lang.org/browse/SI-9364.
Fix or disable some tests that fail because of the old optimizer
The old inliner fails more often when the library is built with
indylambda.
Noted in https://issues.scala-lang.org/browse/SI-9374.
Example: List.foreach
➜ sandbox git:(jfun) ✗ qs -Ybackend:GenASM -optimize -Yinline-warnings
Welcome to Scala version 2.12.0-20150630-220939-1cb032d806 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_45).
Type in expressions to have them evaluated.
Type :help for more information.
scala> List(1,2,3).foreach(x => x + 1)
<console>:11: warning: Could not inline required method foreach because bytecode unavailable.
List(1,2,3).foreach(x => x + 1)
^
<console>:11: warning: At the end of the day, could not inline @inline-marked method foreach
List(1,2,3).foreach(x => x + 1)
^
Upate a number of tests for having indyLambda enabled
The delambdafyLambdaClassNames tests was removed, there's nothing to
tests with indyLambda.
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Switch the defaults of `-Ydelambdafy` and `-Ybackend`.
Rewrite t6288b-jump-position test - no more icode
Don't crash GenBCode beyond JVM code size limits
A similar patch is in GenASM, see 3fa2c97
Fix check files for GenBCode / delambdafy:method defaults
Force copy propagation test to ASM, see SI-9364
Force inline-ex-handlers test to GenASM, see SI-9364
Move t6613 test to pending - still broken in GenBCode
Adding a `flags` file with `-Ybackend:GenASM` doesn't seem to have
the desired effect.
SI-6613 is re-opened.
Force a few tests to GenASM, see SI-9364
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Fix 25 typos (g-i)
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SI-9206 Fix REPL code indentation
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To make code in error messages line up with the original line of
code, templated code is indented by the width of the prompt.
Use the raw prompt (without ANSI escapes or newlines) to determine
the indentation.
Also, indent only once per line.
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Recently, in 029cce7, I changed uncurry to selectively fallback
to the old method of emitting lambdas when we detect that
`-Ydelambdafy:method`.
The change in classfile names breaks the expectations of
the test `innerClassAttribute`.
This commit changes that test to avoid using specialized
functions, so that under -Ydelambdafy:method all functions
are uniform. This changes a few fresh suffixes for anonymous
class names under both `-Ydelambdafy:{inline,method}`, so the
expectations have been duly updated.
Similarly, I have changed `javaReflection` in the same manner.
Its checkfiles remained unchanged.
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- private-inline, t8601-closure-elim, inline-in-constructors
- test closure inlining / elimination, which is not yet implemented
in GenBCode. noted in https://github.com/scala-opt/scala/issues/14.
- constant-optimization, t7006
- no constant folding in GenBCode yet.
noted in https://github.com/scala-opt/scala/issues/29.
- patmat_opt_ignore_underscore, patmat_opt_no_nullcheck, patmat_opt_primitive_typetest
- not all optimizations in GenBCode yet.
noted in https://github.com/scala-opt/scala/issues/30.
- t3234
- tests a warning of trait inlining - trait inlining works in
GenBCode
- synchronized
- ignore inliner warnings (they changed a bit)
- t6102
- account for the changed outputo of -Ydebug has under GenBCode
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merge/2.11.x-to-2.12.x-20150501
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This commit corrects many typos found in scaladocs and comments.
There's also fixed the name of a private method in ICodeCheckers.
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SI-8336: add `fold` & `toEither` to `util.Try`
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`res.fold(fa, fb)` evaluates to `fa(e)` if `res` is a `Failure(e)`,
or `fb(value)` if `res` is a `Success(value)`.
(If `fb` throws an exception `e` when applied, `fa(e)`.)
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As discussed:
https://groups.google.com/forum/#!topic/scala-internals/m8I_3GQR4vQ
We need to ensure a happens-before relationship between the callback
that prints "success" and the end of the main method.
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Conflicts:
src/library/scala/concurrent/Promise.scala
test/files/jvm/future-spec/PromiseTests.scala
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Calling `completeWith` when the `DefaultPromise` is already completed,
leads to callbacks not being properly executed.
This happened because `Future.InternalCallbackExecutor` extends
`BatchingExecutor`[1] which assumes `unbatchedExecute` to be async,
when in this case it is sync, and if there is an exception thrown
by executing the batch, it creates a new batch with the remaining
items from the current batch and submits that to `unbatchedExecute`
and then rethrows, but if you have a sync `unbatchedExecute`, it will
fail since it is not reentrant, as witnessed by the failed `require`
as reported in this issue.
This commit avoids problem by delegating `completeWith` to
`tryComplete`, which has the effect of using `onComplete` +
`tryComplete` i.s.o. `complete`, which means that when it fails
(because of a benign race condition between completers) it won't
throw an exception.
It has been tested by the minimized reproducer.
[1] Actually, in the 2.10.x branch where this patch is starting out,
"The BatchingExecutor trait had to be inlined into
InternalCallbackExecutor for binary compatibility.". This comment
will be more literally correct in the context of 2.11.x and beyond
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Run a number of Java reflection operations on all classes in
scala library / reflect / compiler.
The test is based on a draft by Jason.
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Members of value classes are moved over to the companion object early.
This change ensures that closure classes nested in value classes
appear that way to Java reflection.
This commit also changes the EnclosingMethod attribute for classes
(and anonymous functions) nested in anonymous function bodies. Before,
the enclosing method was in some cases the function's apply method.
Not always though:
() => { class C ... val a = { class D ...} }
The class C used to be nested in the function's apply method, but not
D, because the value definition for a was lifted out of the apply.
After this commit, we uniformly set the enclosing method of classes
nested in function bodies to `null`. This is consistent with the
source-level view of the code.
Note that under delambdafy:method, closures never appear as enclosing
classes (this didn't change in this commit).
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Trait implementation classes and specialized classes are always
considered top-level in terms of the InnerClass / EnclosingMethod
attributes. These attributes describe source-level properties, and
such classes are a compilation artifact.
Note that the same is true for delambdafy:method closure classes
(they are always top-level).
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Private trait methods are not added to the generated interface, they
end up only in the implementation class. For classes nested in such
methods, the EnclosingMethod attribute was incorrect.
Since the EnclosingMethod attribute expresses a source-level property,
but the actual enclosing method does not exist in the bytecode, we
set the enclosing method to null.
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This change fixes both GenASM and GenBCode, except for the change
to renaming in LamdaLift mentioned below.
The reason for an inconsistent EnclosingMethod attribute was the
symbol owner chain. Initially, closure class symbols don't exist, they
are only created in UnCurry (delambdafy:inline). So walking the
originalOwner of a definition does not yield closure classes.
The commit also fixes uses of isAnonymousClass, isAnonymousFunction
and isDelambdafyFunction in two ways:
1. by phase-travelling to an early phase. after flatten, the name
includes the name of outer classes, so the properties may become
accidentally true (they check for a substring in the name)
2. by ensuring that the (destructive) renames during LambdaLift
don't make the above properties accidentally true. This was in
fact the cause for SI-8900.
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SI-7770 mutable.BitSet.toImmutable isn't immutable
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Mark method as deprecated due to it not providing the expected result,
while fixing it will break existing code.
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merge/2.11.x-to-2.12.x-20150129
Conflicts:
build.number
src/library/scala/concurrent/Future.scala
versions.properties
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