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Improved @tailrec error messages to specify the reason. In the process
fixed old bug involving tail call transformation. Closes #3275, #2018.
Review by dragos.
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back in the form of a compiler plugin. Also promoted -Yfatal-warnings to
-Xfatal-warnings: this is key to writing tests which involve warnings
and should be at least semi-supported. Closes #3300, no review.
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changed testfile, to satisfy new diff algo (which should be reverted
IMO). review by extempore.
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Companion objects of primitive types are now values. Term 'scala.Int'
resolves in bytecode to an instance of 'scala.runtime.Int'. This is
the first step towards replacing strings in @specialized with a proper
list of types, so instead of @specialized("Int, Float") one will write
@specialized(Int, Float). Review by odersky.
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As a brief diversion from real work, implemented Damerau–Levenshtein
and ran it on trunk to elicit obvious misspellings. Unfortunately
they're mostly in places like compiler comments which real people never
see, but I fixed them anyway. All those English Lit majors who peruse
our sources are sure to be pleased. No review.
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Fix for the partest task to fail the build when a test fails, and fixes
for 2/3 of the quietly failing tests. I'm not quite sure what to do
about the view ones, it doesn't look like a simple rename is going to
cut it, so: review by odersky.
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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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Closes #2386 by requiring class manifests for an array element type if a
class manifaest for the array type is demanded. Review by dubochet.
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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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Fixed failing test t3115 via judicious application of -Yfatal-warnings.
No review.
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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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Expanded the check from #1392 to enclose #3123 as well so that "case Int
=> " doesn't crash. Closes #3123. Review by odersky.
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Special cased an error message for the common situation of calling
AnyRef methods on Any or AnyVal. Review by odersky.
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Reorganizes children a little so they always come back sorted the same
way the pickler does. Taking advantage of -Yfatal-warnings in the test
case. Review by community.
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is final and does not conform to the pattern, it will no longer compile.
See all the exciting things you can no longer do:
"bob".reverse match { case Seq('b', 'o', 'b') => true } // denied!
"bob".toArray match { case Seq('b', 'o', 'b') => true } // rejected!
final class Dunk
def f3(x: Dunk) = x match { case Seq('b', 'o', 'b') => true } // uh-uh!
And so forth. Review by odersky.
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Reverts r20311 since I'm not seeing what's going on in #2876 and the
optimization can wait.
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closes #2421: more complete fix, now also check validity of inferred
type arguments for expressions inferred for implicit values review by
odersky
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Added extensive statistics, reduced time of implicit resolution by
2/3rds, of whole typer by 1/4 to 1/3rd.
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Created team of private[collection] abstract classes and traits in
scala.collection.views. Factored boilerplate and base Transformed traits
out of *ViewLike classes. Executive summary and motivation:
4812029 Dec 23 09:47 scala-library.jar // before
4604150 Dec 23 09:24 scala-library.jar // after
Direct size savings of 4.5%. Review by odersky.
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added test case for #2775 and commented the handling code in Implicits
better. Gilles already had a look so noreview.
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closed #2624: instantiate type params after eta expansion of polymorphic
method does not blow the stack on pos/t0674 (previous private fix did
typed(tree); instantiate(tree) instead of instantiate(typed(tree)))
fixed check file for neg/bug608 -- got better error message
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Finally completed the incredibly tedious task of removing the lower case
primitive aliases from Predef. Had to rebuild msil.jar along the way.
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Fixes #1477 by requiring that abstract types with non-volatile upper
bounds cannot be overridden by volatile types.
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Fixed #2517
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Updates check file for bug 2144 which output was modified by r19442.
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Tighter type checking rules for structural types that fix issues #967,
#1004, #1388, #1494, and #1906.
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