| Commit message (Collapse) | Author | Age | Files | Lines |
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Don't transform patterns during superaccessors: the matcher can't deal
with funny trees. Closes #4062, review by dragos.
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Moved ClassfileAnnotation/StaticAnnotation/Annotation/TypeConstraint
into scala.annotation and enabled the deprecated type aliases in scala.*
to point there. Also enclosed is a new starr to bootstrap. No review.
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Cleaned up and brought up to date the help text for -X and -Y options.
Made some enhancements to PhasesSetting, which are documented if you
run scalac -X or -Y. (Try it!) Disabled some dead settings and renamed
others to reflect their current purpose. No review.
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Parameterizes TraversableFactory.range so it can be used with any
integral type. Closes #3542, no review.
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Overrides immutable.{ Map, Set, Seq } to return self on
the corresponding toMap/toSet/toSeq. Closes #3953, review
by prokopec.
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Generalizes catch blocks to include any PartialFunction[Throwable, T].
Existing catch blocks will compile exactly as before. Anything else
(which mean: the token after CATCH is not a left brace, or it is a left
brace not immediately followed by CASE) is desugared as follows:
try body catch expr
// becomes
try body
catch { case x =>
val catchFn = expr
if (catchFn isDefinedAt x) catchFn(x)
else throw x
}
Review by odersky.
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Deprecated the @serializable annotation, introduce a new trait
"scala.Serializable" which has to be extended instead (cross-platform).
Known issues:
- Companion objects of serializable classes (including case classes) are automatically made serializable. However, they don't extend "Serializable" statically because of the known difficulty (should be done before typing, but hard).
- Writing "case class C() extends Serializable" gives "error: trait Serializable is inherited twice"
- Functions are serializable, but don't extend Serializable dynamically (could be fixed by making FunctionN Serializable - shouldn't we?)
Note that @SerialVersionUID continues to be an annotation; it generates
a static field, which is not possible otherwise in scala.
Review by dragos, extempore.
Question to dragos: in JavaPlatform.isMaybeBoxed, why is there a test
for "JavaSerializableClass"? Is that correct?
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It looks like the fix for #2318 was causing problems, so I gave it some
more graceful failure. Leaving #2318 open because the implementation
could still work harder to find the right method. No review.
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Fleshed out the mock code a little further so it's easy for closures to
become SAMs.
// implicit not necessary, but improves fun factor
scala> implicit def mkUFn(x: AnyRef) = scala.tools.reflect.UniversalFn(x)
mkUFn: (x: AnyRef)scala.tools.reflect.UniversalFn
scala> (() => 5*5*5).as[java.util.concurrent.Callable[Int]]
res1: java.util.concurrent.Callable[Int] = <function1>
scala> res1.call
res2: Int = 125
No review.
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No review.
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No review.
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Fixes #3647, closes #3647, adds a test case for it, and a missing test
case for #3935.
No review.
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No review.
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No review.
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Fixes #3989, adding test cases for #3989 and #3996.
No review.
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Fix InnerClasses attribute: anonymous classes don't have an outer
name. EnclosingMethod is correctly generated. Fixed isAnonymousClass
definition. Updated test that depends on anonymous inner class names.
Closes (again) #3249, references #2749. review by odersky,extempore.
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Some more work on options related to showing compiler structures during
compilation. The pickler knew more than was healthy about things like
compiler settings, so I let the pickler worry about pickling and moved
that logic somewhere closer to the surface. Some convenience oriented
tweaks to command line phase parsing. The end result is as follows (some
output trimmed for brevity.)
// dippy.scala
class Dippy {
def f[T <: Dippy](x: T) = (x, x)
object DingusDippy extends util.Random { }
}
// className@phaseString should be reliably unambiguous
% scalac -Xshow-class Dippy@typer,erasure,jvm dippy.scala
<<-- class Dippy after phase 'typer' -->>
Members (excluding Any/AnyRef unless overridden):
final object DingusDippy extends object Dippy.this.DingusDippy
def f[T <: Dippy](x: T): (T, T)
<<-- class Dippy after phase 'erasure' -->>
Members (excluding Any/AnyRef unless overridden):
private lazy var DingusDippy$module: object Dippy#DingusDippy
lazy val DingusDippy(): object Dippy#DingusDippy
def f(x: Dippy): Tuple2
<<-- class Dippy after phase 'jvm' -->>
Members (excluding Any/AnyRef unless overridden):
protected var bitmap$0: Int
private lazy var DingusDippy$module: object Dippy$DingusDippy
lazy val DingusDippy(): object Dippy$DingusDippy
def f(x: Dippy): Tuple2
No review.
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Unsuppressed generic signatures for members with expanded names. Closes
#3897, review by dragos.
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Introduces "Origins" for all your superhero backstory needs. It logs
where all the calls are coming from: that's all for the moment. It's
explained in the comments and test case, so I'm sure you don't need it
all repeated here. No review.
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A bit of -Xshow-class / -Xshow-object which didn't quite make the Global
patch. Now type selections should do the right thing, e.g.
scalac -Xshow-class Global#Run
src/compiler/scala/tools/nsc/Global.scala
will show you interesting things about Run. Or see the test case for
even more thrills. No review.
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Added parallel mutable hash sets.
Implemented parallel mutable hash set iterators.
Implemented parallel mutable hash set combiners.
Factored out unrolled linked lists into a separate class UnrolledBuffer, added tests.
Added parallel mutable hash set tests, and debugged hashsets.
No review.
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consistently, and remove things which are not being used anywhere
in the visible universe. Beyond general polish here are some of the
feature-like additions I can remember:
* -Xshow-phases now includes descriptions of the phases.
* -Xshow-class and -Xshow-object did not work as far as I could tell:
if they didn't, now they do. If they did, now they work better.
And you don't have to give it a fully qualified name anymore.
* -Xprint-icode will generate *.icode files (don't also have to say -Xprint:icode)
* counts of deprecation and unchcked warnings are given
* More documentation of what global is doing.
I tried not to break anything which might be using Global, but let me
know if I overshot somewhere. No review.
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Added separate bitmaps for private and transient lazy vals. Closes
#3038, #1573. Review by dragos. I had to fix a couple of initialization
issues that checkinit forced me to do and that weren't a problem before
because the bitmap was serialized even for @transitive. For that I
needed to change the setters in checkinit so that they also update the
bitmap.
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Achieved similar simplicity gains in NumericRange to those now in Range.
Obvious remaining task is to specialize NumericRange and after verifying
the performance, eliminate one or the other. For now, both soldier
onward despite near-convergence of implementation.
Closes #3232, no review.
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Eliminated duplication among the Rich* wrappers, careful not to impact
performance on RichInt in particular. Attempted to make Proxy a little
bit typier. Proxy creates an asymmetric equals method by design so it's
unfixable in that regard, but achieved a minor miracle anyway by making
the Rich* wrappers behave symmetrically.
Note: said miracle involved having the wrappers extend ScalaNumber in
order to induce the special == semantics. This in turn led to implicit
conversion conflicts with the boxed types on methods like .intValue().
Resolved by moving the Rich* implicits into LowPriorityImplicits.
This of course also removed the intentional ambiguity which prevents
primitives from automatically becoming AnyRefs.
Solved THAT one by creating dedicated, laser-precise ambiguity creating
implicits in Predef which exclude only the AnyRef methods. Although
this is admittedly less than elegant, it is still better than it
was: this way it is direct and explicit rather than depending upon
the "implicit implicit conflict" where the barrier to promotion is
intermingled with the definitions of wrapper classes. (See the history
of BoxedUnit/RichUnit for a good example of why these concerns require
separation.)
It's all worth it:
assert(intWrapper(5) == 5)
assert(5 == intWrapper(5))
assert(5 == (5: java.lang.Integer))
assert((5: java.lang.Integer) == 5)
assert((5: java.lang.Integer) == intWrapper(5))
assert(intWrapper(5) == (5: java.lang.Integer))
Review by community.
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all the boundary conditions I'm aware of, including not yet reported
ones such as
scala> 5 until 5 last
res0: Int = 4
and
scala> 1073741823 to Int.MaxValue by (1 << 24) size
res0: Int = 65
scala> 1073741823 to Int.MaxValue by (1 << 24) drop 100 size
res1: Int = 256
Also includes conformance improvements (e.g. 5 until 5 init should throw
an exception, not return empty) and general improvements (e.g. 1 to 10
tail should return a Range.) Will close associated tickets such as #3232
after I complete similar work on NumericRange. Review by community.
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A double goodness whammy involving type inference at the borders.
1) Implicit search preserves singleton type fidelity. 2) Unification of
parent bounds is (closer to) correct.
Result of 1: "implicit def f(x: Foo.type)" will convert object Foo.
Result of 2: "new Trait[Int] { }" may enjoy its type constructor being
inferred, no longer foiled by the anonymous class.
Also included are some clarity-enhnancing renamings and refactorings.
Performance note: I heavily benchmarked the change to isSubArgs and it
is reproducibly faster than the previous implementation. Numbers and
methodology available upon request.
Closes #2693, #3964. Review by moors, who wrote most of this patch but
might like to review the comments.
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Case accessors are always public else the pattern matcher goes south. A
more discriminating fix may be possible at some point, but it looks to
be an involved endeavor. Closes #3714, review by odersky.
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Closes #3059, #3895 (the only difference between this and r23232 is the
forced info transformation that ensures that nested objects are viewed
as lazy vals). sbt integration requires new starr for this commit to
work.
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Fix involving xml equality, contributed by mark harrah. Closes #3886, no
review.
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As pointed out to me by plocinic, the pattern matcher has been
indiscriminately clearing the MUTABLE flag on synthetic vals because it
is signalling itself with that bit and it didn't think anyone else would
ever notice. Someone did. Closes #3699, review by plocinic.
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Modification to the widening logic to treat locally defined symbols like
final members thus allowing more constants to be inlined. Concretely,
that means that in code like this:
def f: Unit = { val b = false ; if (b) println("ok") }
The call to println is no longer generated at all, and in this code:
def f(x: Int) = { val X = 1 ; val Y = 2; x match { case X => 1 ; case Y => 2 } }
A tableswitch is generated instead of the present if/then/else.
I also added a big comment to the former widenIfNotFinal (now
widenIfNecessary for obvious reasons.) Review by rytz.
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All this time with Nil only claiming to be equal to immutable.Seqs, how
is it possible? Closes #3923, no review.
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Fixing issue with XMLEventReader.stop failing to stop the parser thread.
Contributed by Jean-Laurent Huynh, reviewed by extempore. Closes #3881.
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