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* Merge remote-tracking branch 'origin/2.11.x' into ↵Jason Zaugg2015-07-2313-6/+103
|\ | | | | | | merge/2.11.x-to-2.12.x-20152307
| * Merge pull request #4650 from lrytz/t8502-packageJason Zaugg2015-07-211-0/+46
| |\ | | | | | | SI-8502 create PackageClass instead of Class symbol stubs for pkgs
| | * SI-8502 create PackageClass instead of Class symbol stubs for pkgsLukas Rytz2015-07-201-0/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | https://github.com/scala/scala/pull/4111 creates a stub type symbol for missing packages, deferring (or avoiding) a crash if a package is missing. The symbol created was a ClassSymbol, which could lead to an assertion failure in flattten: case TypeRef(pre, sym, args) if isFlattenablePrefix(pre) => assert(args.isEmpty && sym.enclosingTopLevelClass != NoSymbol, sym.ownerChain) `pre` is the stub ClassSymbol, so `isFlattenablePrefix` is true (but it should be false). The assertion then fails because the enclosing class of a top-level class defined in a missing package is NoSymbol. This failed only with GenBCode, which traverses more of the symbol graph while building ClassBTypes: it looks collects the nested classes of `Outer` into a `NestedInfo`.
| * | Merge pull request #4631 from janekdb/2.11.x-typos-t-vSeth Tisue2015-07-205-5/+5
| |\ \ | | | | | | | | Fix 23 typos (t-v)
| | * | Fix 23 typos (t-v)Janek Bogucki2015-07-155-5/+5
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| * | | Merge pull request #4632 from janekdb/2.11.x-names-t-vSeth Tisue2015-07-201-1/+1
| |\ \ \ | | |_|/ | |/| | Improve some names (t-v)
| | * | Improve some names (t-v)Janek Bogucki2015-07-151-1/+1
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| * | Merge pull request #4595 from som-snytt/issue/9370Lukas Rytz2015-07-164-0/+43
| |\ \ | | | | | | | | SI-9370 Xplugin scans plugin path for descriptor
| | * | SI-9370 Xplugin scans plugin path for descriptorSom Snytt2015-06-304-0/+43
| | | | | | | | | | | | | | | | | | | | Keep on scanning if the first entry doesn't yield a plugin.xml descriptor.
| * | | SI-9401 Avoid SOE with array + missing classtagJason Zaugg2015-07-162-0/+8
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The implicit classtags required by the Array constructor are not expressed in the type signature of its constructor, and instead are summoned by a special case in the typechecker. This special case entails replacing the `new Array` tree with `implicitly[T].newArray(size)`, handled in `ArrayInstantiation`. This tree is recursively typechecked. However, if the implicit materialization/search fails, an error is issued to the current reporter and the original tree is marked with an error type. As above, this is recursively typechecked. In the normal course of affairs, the recursive typecheck of the erroneous tree would be a noop (the tree already has a type!). However, if we are both in silent mode (in which errors are buffered) and in retyping mode (in which the typer clears the type and symbols of trees), we were getting into an cycle. In the enclosed test, retyping mode was trying to recover from: Resetting.this.gencastarray_=(new Array[T](0).<ERROR>) By inserting a suitable a view: implicitly[Resetting => { def gencastarray_=(AT)}]( Resetting.this ).gencastarray_=(new Array[T](0)) Where AT is the type found by retypechecking the argument. It is during the argument retypechecking that we fell into cycle. Crazily enough, in 2.11.0, the ensuing `StackOverflowError` was being caught and treated as a failure. We would then back out of the retyping mode, and issue the error from the the very first attempt at the implicit search. This fragile state of affairs was disrupted by a refactoring to the error reporting system in 725c5c9, after which the SOE crashed the compiler. This commit avoids recursively typechecking error typed trees.
* | | Merge pull request #4616 from som-snytt/issue/9383Seth Tisue2015-07-203-12/+81
|\ \ \ | | | | | | | | SI-9383 Improved unused import warning
| * | | SI-9383 Improved unused import warningSom Snytt2015-07-083-12/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, implicit search would mark every import it touched as a lookup. Instead, let subsequent type check perform the lookup.
* | | | Remove further references to forkjoinJason Zaugg2015-07-154-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | | Remove our fork of forkjoin. Java 8 bundles it.Adriaan Moors2015-07-152-18/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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).
* | | | Merge pull request #4623 from retronym/ticket/9392v2.12.0-M2Adriaan Moors2015-07-132-0/+20
|\ \ \ \ | | | | | | | | | | SI-9392 Avoid crash in GenBCode for incoherent trees
| * | | | SI-9392 Avoid crash in GenBCode for incoherent treesJason Zaugg2015-07-132-0/+20
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A macro in shapeless was generating a tree of the form: ``` { class C#2 new C#2 }.setType(C#1) ``` This happened due to an error in the macro; it used untypecheck to try to fix the owner-chain consistency problem, but kept a reference to the previous version of the block-local class symbol `C` and used this in the resulting tree. This commit detects the particular situation we encountered, and avoids the crash by not creating the `NestedInfo` for the `BType` corresponding to `C#1`. The code comment discusses why I think this is safe, and suggests a refactoring that would mean we only ever try to construct `NestedInfo` when we are going to need them.
* | | | Merge pull request #4622 from retronym/merge/2.11.x-to-2.12.x-20150713Adriaan Moors2015-07-13117-245/+293
|\ \ \ \ | | | | | | | | | | Merge 2.11.x to 2.12.x [ci: last-only]
| * \ \ \ Merge remote-tracking branch 'origin/2.11.x' into ↵Jason Zaugg2015-07-13117-245/+293
| |\ \ \ \ | | |/ / / | |/| / / | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
| | * | Fix 25 typos (s)Janek Bogucki2015-07-069-14/+14
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| | * | Merge pull request #4596 from janekdb/2.11.x-typos-p-rSeth Tisue2015-07-016-8/+8
| | |\ \ | | | | | | | | | | Fix 27 typos (p-r)
| | | * | Fix 27 typos (p-r)Janek Bogucki2015-06-306-8/+8
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| | * | | Merge pull request #4576 from som-snytt/issue/9206-moreSeth Tisue2015-07-0184-218/+82
| | |\ \ \ | | | |/ / | | |/| | SI-9206 REPL custom bits
| | | * | SI-9206 De-perk the welcome messageSom Snytt2015-06-254-32/+59
| | | | | | | | | | | | | | | | | | | | | | | | | The welcome message defaults to a sober header followed by one line of instructions.
| | | * | SI-9206 Update REPL welcome messageSom Snytt2015-06-2483-199/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
| | | * | SI-9206: No REPL message on :silent, unless -Dscala.repl.infoIgor Racic2015-06-231-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Anyone who doesn't understand why result printing was turned off after they entered `:silent` mode will start the REPL with `-Dscala.repl.debug` and be enlightened. For infotainment purposes, the verbose message is also emitted under info mode.
| | * | | Merge pull request #4569 from retronym/ticket/6985Adriaan Moors2015-06-308-0/+99
| | |\ \ \ | | | |_|/ | | |/| | SI-6895 Test cases to explain the limitations in tcpoly inference
| | | * | SI-8892 Fix incorrect qualification in error messageJason Zaugg2015-06-232-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since beadafa2, we've ended up with nutty error messages for type errors involving aliases that target types in `java.lang` and `scala` packages. I think the intent of that change was to force the error messages to qualify types like `String` when needed, but to leave them unqualified by default. However, this led to this flat out wrong message in the enclosed test. found : B required: C.this.java.lang.B (which expands to) String I've changed the heuristic slightly limit this code to aliases that are eponymous with their targets. Still feels pretty kludgy, but we can at least book a little progress.
| | | * | SI-8777 Avoid redundant disambiguation in error messagesJason Zaugg2015-06-233-2/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When printing types in error messages, we attempt to disambiguate symbol names by qualifying them in various ways. Type paramters symbols are qualified by adding `(in someMethod)`. However, the type errors generated by higher kinded subtyping can contain clones of type parameter symbols, as creater in `isPolySubType`. The disambiguation tries fruitlessly to distinguish them but ended up adding the same suffix to both names repeatedly. ``` found : [F[_]]Foo[[X(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)]Bar[F,X(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)]] required: Foo[[X(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)]Bar[[X]Or[String,X],X(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)(in type L)]] ``` This commit limits the post qualification of type parameter symbols to a single attempt to limit the damage. An alternative might be to mark a clone (we could determine its status by checking whether it is a type parameter of its owner.) But I'm not sure how to present this information in a comphrenensible way, so for now I'm limiting my ambitions to stopping the stutter.
| | | * | SI-6895 Test cases to explain the limitations in tcpoly inferenceJason Zaugg2015-06-234-0/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've determined that the failure in this bug report boils down to SI-2712. Submitting my working as neg tests for posterity. The type error disabmiguator develops a serious stutter with this example. I'll fix that in the following commit.
| | * | | Merge pull request #4588 from retronym/topic/icodishAdriaan Moors2015-06-291-0/+42
| | |\ \ \ | | | | | | | | | | | | GenBCode: fix incrementatal compilation by mimicing GenASM
| | | * | | GenBCode: fix incrementatal compilation by mimicing GenASMJason Zaugg2015-06-281-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The incremental compiler in SBT uses an implementation detail of the compiler backend to enumerate the classes that are actually written to disk. This commit mimics this in GenBCode by populating `Run#icode` with an `IClass` for each `ClassDef` processed. We should revisit this by creating a dedicated API for this purpose and migrating SBT to use that. We should also revisit this code as we implement closure elimination in the GenBCode; this commit assumes that all `ClassDef`s that enter the backend will generate classfile products. The enclosed test is extracted from the incrementatl compiler. I've also manually integration tested this with SBT: https://gist.github.com/retronym/fabf6f92787ea9c1ce67
| | * | | | Merge pull request #4586 from som-snytt/issue/missing-argsSeth Tisue2015-06-293-2/+37
| | |\ \ \ \ | | | | | | | | | | | | | | Improved message for missing argument list
| | | * | | | Improved message for missing argument listSom Snytt2015-06-273-2/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clarifies the language and rules for eta-expansion. A missing argument in a list, as opposed to a missing argument list, results in a different message. The comical expansion in parens does not attempt to show what was already applied, but succeeds in showing at a glance the shape of the method in question. ``` scala> def m(i: Int, j: Int)(x: Int) = ??? m: (i: Int, j: Int)(x: Int)Nothing scala> m <console>:12: error: missing argument list for method m Unapplied methods are only converted to functions when a function type is expected. You can make this conversion explicit by writing `m _` or `m(_,_)(_)` instead of `m`. m ^ ``` The original submission was due to sschaef and the wording due to adriaanm, with a minor tweak.
| | * | | | | Merge pull request #4589 from janekdb/2.11.x-method-names-m-oJason Zaugg2015-06-292-3/+3
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | Improve method names (m-o)
| | | * | | | | Improve method names (m-o)Janek Bogucki2015-06-282-3/+3
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| | * / / / / Fix 23 typos (m-o)Janek Bogucki2015-06-284-5/+5
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* | | | | | Merge pull request #4621 from retronym/ticket/9393Adriaan Moors2015-07-133-0/+21
|\ \ \ \ \ \ | | | | | | | | | | | | | | SI-9393 Temporarily disable two assertions in GenBCode
| * | | | | | SI-9393 Temporarily disable two assertions in GenBCodeJason Zaugg2015-07-123-0/+21
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These cause a crash in the build of Play. We should try to bring these back once we have suitable annotation awareness. Perhaps they should only be `devWarning`-s, though.
* | | | | | temporarily disable failing indylambda testSeth Tisue2015-07-091-15/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adriaan and Jason agree that the test is failing because the test itself needs reworking, not because it's showing a real problem. so, disabling it for now in the interest of getting 2.12.0-M2 out the door.
* | | | | | Merge pull request #4617 from retronym/ticket/9387Jason Zaugg2015-07-093-0/+37
|\ \ \ \ \ \ | | | | | | | | | | | | | | SI-9387 Fix VerifyError introduced by indylambda
| * | | | | | SI-9387 Fix VerifyError introduced by indylambdaJason Zaugg2015-07-093-0/+37
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As with regular `Apply`-s, we should compute the generated type based on the function's type, rather than the expected type. In the test case, the expected type was void. Now, we correctly use the generated type of `scala/Function1`, which is enough to generate a subsequent POP instruction. The tree shape involved was: ``` arg0 = { { $anonfun() }; scala.runtime.BoxedUnit.UNIT } ```
* | | | | | Merge pull request #4609 from retronym/topic/indylambda-testLukas Rytz2015-07-091-0/+15
|\ \ \ \ \ \ | | | | | | | | | | | | | | [indylambda] Improve test coverage
| * | | | | | [indylambda] Improve test coverageJason Zaugg2015-07-081-0/+15
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding tests for the selective use of boxing bridge methods and to show that specialization is not subverted by indylambda. Other aspects of indylambda are tested by tests like: - run/lambda-serialization.scala - run/indylambda-boxing When those tests were written, they only tested the old backend. However, now that we have Java 8 and the new backend avaialble by default to partest, they provide the intended coverage.
* | | | | | Merge pull request #4607 from lrytz/inlineIndyAdriaan Moors2015-07-089-6/+79
|\ \ \ \ \ \ | | | | | | | | | | | | | | Accessibility checks for methods with an InvokeDynamic instruction
| * | | | | | Test warnings when an indy cannot be inlinedLukas Rytz2015-07-087-0/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two cases tested here - An indyLMF where the lambda body method is private - An indy where the bootstrap method is not LMF
| * | | | | | Accessibility checks for methods with an InvokeDynamic instructionLukas Rytz2015-07-072-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implements the necessary tests to check if a method with an InvokeDynamic instruction can be inlined into a destination class. Only InvokeDynamic instructions with LambdaMetaFactory as bootstrap methods can be inlined. The accessibility checks cannot be implemented generically, because it depends on what the bootstrap method is doing. In particular, the bootstrap method receives a Lookup object as argument which can be used to access private methods of the class where the InvokeDynamic method is located. A comment in the inliner explains the details.
* | | | | | | Merge pull request #4602 from lrytz/yoptInScalaAdriaan Moors2015-07-0847-91/+65
|\| | | | | | | |/ / / / / |/| | | | | Fix optimizer bugs and enable -Yopt:l:classpath when building scala
| * | | | | Warn when combining settings for the old optimizer with -YGenBCodeLukas Rytz2015-07-0342-80/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove some unnecessary flags files - neg/t4425.flags - run/blame_eye_triple_eee-double.flags - run/blame_eye_triple_eee-float.flags Force tests that use -optimize to GenASM - neg/sealed-final-neg.flags - pos/inline-access-levels.flags - pos/inliner2.flags - pos/sealed-final.flags - pos/t3420.flags - pos/t8410.flags - run/constant-optimization.flags - run/dead-code-elimination.flags - run/elidable-opt.flags - run/finalvar.flags - run/icode-reader-dead-code.scala - run/optimizer-array-load.flags - run/synchronized.flags - run/t3509.flags - run/t3569.flags - run/t4285.flags - run/t4935.flags - run/t5789.scala - run/t6188.flags - run/t7459b-optimize.flags - run/t7582.flags - run/t7582b.flags - run/t8601.flags - run/t8601b.flags - run/t8601c.flags - run/t8601d.flags - run/t8601e.flags - run/t9003.flags Move some tests to the new optimizer - run/classfile-format-51.scala - run/classfile-format-52.scala - run/run-bug4840.flags - run/t2106.flags - run/t6102.flags
| * | | | | Set -Xsource to 2.12 by defaultLukas Rytz2015-07-033-11/+16
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| * | | | | Enable the new optimizer when building scalaLukas Rytz2015-07-032-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No change in build.sbt, there's no optimizer settings there yet. Ignore the inliner warning in presentation/t7678 and run/t8029.scala, noted in https://issues.scala-lang.org/browse/SI-9378
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 04:27:58 +0000