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| | * | SI-6891 Fix value class + tailrec crasher.Jason Zaugg2013-01-262-0/+27
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rhs.substituteSymbols(old, new) leaves us with: def loop#12225(x#12226: A#15491): scala#21.this.Unit#1615 = loop#12225(x#12226) In which the TermSymbol x#12226 has a stale info, pointing at the A#7274, the class type parameter, rather than A#15491, the corresponding type parameter of the synthetic backing method. I've improved `TreeSymSubstituter` to substitute not only `Tree#{tpe, symbol}`, but also `DefTree#sym.info`. The `pos` test that triggered the new code path are listed here: https://gist.github.com/4575687 AFAICS, no special treatment of Function, Return, or Import is needed in TreeSymSubstutor.
* | | Merge pull request #1864 from retronym/ticket/4859-6Paul Phillips2013-01-261-0/+17
|\ \ \ | | | | | | | | | | | | SI-4859 Step back from mis-optimizations in qualifiers
| * | | SI-4859 Don't rewrite CC().CC2() to new CC2Jason Zaugg2013-01-261-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Where CC and CC2 are case classes. Attempting to do so leads to a "no legal prefix" error. Now, we restrict this optimization (living in RefChecks ?!) to case class applies with a "safe to inline" qualifier.
* | | | Add PolyType to Infer#normalize.Paul Phillips2013-01-261-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It arises when inferring the type of an overloaded call: def g(s: String): String = s def f: String = ??? def f[C](c: C): String = g(f) Also refined warning when isHKSubType is called with arguments which very likely were never meant to be compared.
* | | | SI-2577, SI-6860: annotation type inference.Paul Phillips2013-01-261-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is less than ideal: scala> class Bippy[T] extends annotation.StaticAnnotation defined class Bippy scala> def f: Int @Bippy = 5 f: Int @Bippy[T] Turns out we can infer such types. Now it says: scala> def f: Int @Bippy = 5 f: Int @Bippy[Nothing] This should put to rest many an issue with parameterized annotations.
* | | | Merge remote-tracking branch 'origin/2.10.x' into pr/merge-2.10Paul Phillips2013-01-255-0/+52
|\ \ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * origin/2.10.x: SI-6969, mishandling of SoftReferences in method cache. SI-7011 Fix finding constructor type in captured var definitions SI-6987 Tests fsc verbose output SI-6987 Fixes fsc compile server verbose output SI-6231 Report unsupported free var capture by a trait. SI-6666 Restrict hidden `this` access in self/super calls. SI-6902 Check unreachability under @unchecked SI-6976 Fix value class separate compilation crasher. Closes SI-6952: add correct error positions for Dynamic feature check. Conflicts: src/compiler/scala/tools/nsc/CompileServer.scala src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala
| * | | Merge pull request #1956 from JamesIry/SI-7011_2.10.xJames Iry2013-01-252-0/+8
| |\ \ \ | | | | | | | | | | SI-7011 Fix finding constructor type in captured var definitions
| | * | | SI-7011 Fix finding constructor type in captured var definitionsJames Iry2013-01-232-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a captured var was initialized with an empty tree then finding the type of the empty tree was being handled improperly. The fix is to look for primary constructors on the tree's type symbol rather than the tree's symbol. A test is included. In order to make the problem more testable the debug logging of the issue is changed to a debug warn.
| * | | | Merge pull request #1910 from retronym/ticket/6976Paul Phillips2013-01-253-0/+44
| |\ \ \ \ | | | | | | | | | | | | SI-6976 Fix value class separate compilation crasher.
| | * | | | SI-6976 Fix value class separate compilation crasher.Jason Zaugg2013-01-163-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can't guarantee that the owner of the value class is initialized, and if it isn't, the search for the companion module will turn up bubkis. This is a localized fix, but I'd be suprised if there weren't other places that suffered from the same problem. Wouldn't it be nicer to have something like: // doesn't force info sym.raw.info sym.raw.companionModule // forces info sym.info sym.companionModule
* | | | | | Merge commit 'ac432bcde6' into pr/merge-2.10Paul Phillips2013-01-255-0/+309
|\| | | | | | |_|_|/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'ac432bcde6': Fix broken build. SI-6434 Pretty print function types with by name arg as (=> A) => B Removed class files. SI-6994 Avoid spurious promiscuous catch warning Addressing warnings. SI-6439 Avoid spurious REPL warnings about companionship use ArrayBuffer instead of Array to build Formulae SI-6942 more efficient unreachability analysis use Constant::isIntRange even if it's NIH SI-6956 determine switchability by type, not tree SI-5568 Comment improvements for getClass on primitive intersection. SI-5568 Fixes verify error from getClass on refinement of value type SI-6923 Context now buffers warnings as well as errors Conflicts: src/compiler/scala/tools/nsc/interpreter/IMain.scala src/compiler/scala/tools/nsc/transform/Erasure.scala src/compiler/scala/tools/nsc/typechecker/Contexts.scala src/compiler/scala/tools/nsc/typechecker/Typers.scala test/files/neg/t4851.check Note: This merge excludes b07228aebe7a as it breaks master.
| * | | | Merge pull request #1935 from retronym/ticket/6994Paul Phillips2013-01-242-0/+9
| |\ \ \ \ | | |_|/ / | |/| | | SI-6994 Avoid spurious promiscuous catch warning
| | * | | SI-6994 Avoid spurious promiscuous catch warningJason Zaugg2013-01-202-0/+9
| | | |/ | | |/| | | | | | | | | | | | | It was being issued upon re-typechecking of a transformed tree. Now we disable the warning post-typer.
| * / | SI-6942 more efficient unreachability analysisAdriaan Moors2013-01-173-0/+300
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid blowing the stack/the analysis budget by more eagerly translating the propositions that model matches to CNF. First building a large proposition that represents the match, and then converting to CNF tends to blow the stack. Luckily, it's easy to convert to CNF as we go. The optimization relies on `CNF(P1 /\ ... /\ PN) == CNF(P1) ++ CNF(...) ++ CNF(PN)`: Normalizing a conjunction of propositions yields the same formula as concatenating the normalized conjuncts. CNF conversion is expensive for large propositions, so we push it down into the conjunction and then concatenate the resulting arrays of clauses (which is cheap). (CNF converts a free-form proposition into an `Array[Set[Lit]]`, where: - the Array's elements are /\'ed together; - and the Set's elements are \/'ed; - a Lit is a possibly negated variable.) NOTE: - removeVarEq may throw an AnalysisBudget.Exception - also reworked the interface used to build formula, so that we can more easily plug in SAT4J when the time comes
* | | Merge pull request #1931 from danielhopkins/remove-pimpingPaul Phillips2013-01-254-22/+22
|\ \ \ | | | | | | | | | | | | Small terminology change aimed at improving inclusion.
| * | | Remove the term "pimp" from the repositoryDan Hopkins2013-01-194-22/+22
| | | | | | | | | | | | | | | | Small terminology change aimed at improving inclusion.
* | | | Merge pull request #1965 from Dinduks/fix_some_typosPaul Phillips2013-01-251-1/+1
|\ \ \ \ | | | | | | | | | | | | | | | Fix some typos
| * | | | Fix some typosSamy Dindane2013-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes mostly "a int", "a a thing" kind of typos. Also removes trailing whitespaces, useless empty lines and commented println() from "test/files/run/ctries-new/iterator.scala".
* | | | | Merge pull request #1939 from soc/SI-6811-movesPaul Phillips2013-01-243-20/+3
|\ \ \ \ \ | | | | | | | | | | | | SI-6811 Move scala.util.{automata,regexp} ...
| * | | | | SI-6811 Move scala.util.{automata,regexp} ...Simon Ochsenreither2013-01-213-20/+3
| |/ / / / | | | | | | | | | | | | | | | ... to scala.xml.dtd.impl and make it private[dtd]
* | | | | Merge pull request #1921 from soc/SI-6811-removalsPaul Phillips2013-01-249-55/+29
|\ \ \ \ \ | |/ / / / |/| | | | SI-6811 Scheduled removal of deprecated items for 2.11
| * | | | SI-6811 Misc. removals in util, testing, io, ...Simon Ochsenreither2013-01-172-40/+10
| | | | |
| * | | | SI-6811 Remove parts of scala.concurrent not needed by scala.actorsSimon Ochsenreither2013-01-171-1/+3
| | | | |
| * | | | SI-6811 Remove scala.collection.mutable.ConcurrentMapSimon Ochsenreither2013-01-172-3/+13
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| * | | | SI-6811 Remove deprecated constructorsSimon Ochsenreither2013-01-171-8/+0
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| * | | | SI-6811 Remove usages of scala.annotation.cloneableSimon Ochsenreither2013-01-173-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | The source file itself will be removed later, because the compiler seems to need it for boot-strapping.
* | | | | Merge branch '2.10.x'Adriaan Moors2013-01-168-0/+88
|\ \ \ \ \ | |/ / / / |/| | / / | | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: src/compiler/scala/tools/nsc/doc/Settings.scala src/compiler/scala/tools/nsc/interpreter/CompletionOutput.scala src/compiler/scala/tools/nsc/matching/Patterns.scala src/compiler/scala/tools/nsc/transform/UnCurry.scala src/compiler/scala/tools/nsc/typechecker/Infer.scala src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala src/compiler/scala/tools/nsc/typechecker/Typers.scala src/reflect/scala/reflect/internal/settings/MutableSettings.scala src/reflect/scala/reflect/runtime/Settings.scala src/swing/scala/swing/SwingActor.scala src/swing/scala/swing/SwingWorker.scala test/files/run/t6955.scala
| * | | Merge pull request #1892 from retronym/ticket/6479Paul Phillips2013-01-151-0/+56
| |\ \ \ | | | | | | | | | | SI-6479 Don't lift try exprs in label arguments.
| | * | | SI-6479 Don't lift try exprs in label arguments.Jason Zaugg2013-01-131-0/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new pattern matcher uses label jumps to GOTO the next case. Uncurry treated these like regular method arguments, and performed the liftedTree() transformation, which ensures that try expressions are only used in a statement position. Even try in statement position of a block used as such an argument are subject to the same transform. This transform stems from the JVM limitation, that try/catch does not leave a value on the stack. See b194446. This commit changes Uncurry to avoid this transform for arguments to label jumps. This avoids needlessly indirect code, and enables tail call elimination in more cases. As an example, Scala 2.10.0 transforms the last method of the enclosed test case to: try { case <synthetic> val x1: Int = 1; case5(){ if (2.==(x1)) { val x2: Int = x1; matchEnd4({ { def liftedTree2(): Unit = try { throw new scala.runtime.NonLocalReturnControl[Unit](nonLocalReturnKey1, ()) } catch { case (e @ (_: ClassNotFoundException)) => () }; liftedTree2() }; TailrecAfterTryCatch.this.bad() }) } else case6() }; case6(){ matchEnd4(throw new MatchError(x1)) }; matchEnd4(x: Unit){ x } } catch { case (ex @ (_: scala.runtime.NonLocalReturnControl[Unit @unchecked])) => if (ex.key().eq(nonLocalReturnKey1)) ex.value() else throw ex } After this patch: @scala.annotation.tailrec final def bad(): Unit = { case <synthetic> val x1: Int = 1; case5(){ if (2.==(x1)) { <synthetic> val x2: Int = x1; matchEnd4({ try { return () } catch { case (e @ (_: ClassNotFoundException)) => () }; TailrecAfterTryCatch.this.bad() }) } else case6() }; case6(){ matchEnd4(throw new MatchError(x1)) }; matchEnd4(x: Unit){ x } }
| * | | | Merge pull request #1878 from adriaanm/ticket-6925Adriaan Moors2013-01-142-0/+27
| |\ \ \ \ | | | | | | | | | | | | SI-6925 use concrete type in applyOrElse's match's selecto
| | * | | | rework partial function synthesisAdriaan Moors2013-01-091-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | no behavioral changes, just highly overdue cleanup some TODOs for further improvements
| | * | | | SI-6925 use concrete type in applyOrElse's match's selectorAdriaan Moors2013-01-091-0/+9
| | | |_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a regression introduced in 28483739c3: PartialFunction synthesis was broken so that we'd get: ``` scala> def f[T](xs: Set[T]) = xs collect { case x => x } f: [T](xs: Set[T])scala.collection.immutable.Set[_ <: T] ``` rather than ``` scala> def f[T](xs: Set[T]) = xs collect { case x => x } f: [T](xs: Set[T])scala.collection.immutable.Set[T] ```
| * | | | SI-5954 Implementation restriction preventing companions in package objsJames Iry2013-01-135-0/+5
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Companion objects (and thus also case classes) in package objects caused an assert about an overloaded symbol when everything was compiled twice. It's a hairy problem that doesn't fit in 2.10.1. So this fix adds an implementation restriction. It also has a test to make sure the error messages are clean and reasonably friendly, and does not catch other things defined in package objects. The test includes a commented out test in case somebody thinks they've solved the underlying problem. A handful of tests were falling afoul of the new implementation restriction. I verified that they do in fact fail on second compile so they aren't false casualties. But they do test real things we'd like to work once the re-compile issue is fixed. So I added a -X flag to disable the implementation restriction and made all the tests accidentally clobbered by the restriction use that flag.
| * | | Backport of SI-6846.Jason Zaugg2013-01-081-0/+28
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Squashed commit of the following: commit 55806cc0e6177820c12a35a18b4f2a12dc07bb39 Author: Paul Phillips <paulp@improving.org> Date: Wed Dec 19 07:32:19 2012 -0800 SI-6846, regression in type constructor inference. In 658ba1b4e6 some inference was gained and some was lost. In this commit we regain what was lost and gain even more. Dealiasing and widening should be fully handled now, as illustrated by the test case. (cherry picked from commit dbebcd509e4013ce02655a2687b27d0967b3650e) commit e6ef58447d0f4ef6de956fcc03ee283bb9028c02 Author: Paul Phillips <paulp@improving.org> Date: Fri Dec 21 15:11:29 2012 -0800 Cleaning up type alias usage. I determined that many if not most of the calls to .normalize have no intent beyond dealiasing the type. In light of this I went call site to call site knocking on doors and asking why exactly they were calling any of .normalize .widen.normalize .normalize.widen and if I didn't like their answers they found themselves introduced to 'dropAliasesAndSingleTypes', the recursive widener and dealiaser which I concluded is necessary after all. Discovered that the object called 'deAlias' actually depends upon calling 'normalize', not 'dealias'. Decided this was sufficient cause to rename it to 'normalizeAliases'. Created dealiasWiden and dealiasWidenChain. Dropped dropAliasesAndSingleTypes in favor of methods on Type alongside dealias and widen (Type#dealiasWiden). These should reduce the number of "hey, the type alias doesn't work" bugs. (cherry picked from commit 3bf51189f979eb0dd41744ca844fd12dfdaa0dee) Conflicts: src/compiler/scala/tools/nsc/interpreter/CompletionOutput.scala commit c1d8803cea1523f458730103386d8e14324a9446 Author: Paul Phillips <paulp@improving.org> Date: Sat Dec 22 08:13:48 2012 -0800 Shored up a hidden dealiasing dependency. Like the comment says: // This way typedNew always returns a dealiased type. This // used to happen by accident for instantiations without type // arguments due to ad hoc code in typedTypeConstructor, and // annotations depended on it (to the extent that they worked, // which they did not when given a parameterized type alias // which dealiased to an annotation.) typedTypeConstructor // dealiases nothing now, but it makes sense for a "new" to // always be given a dealiased type. PS: Simply running the test suite is becoming more difficult all the time. Running "ant test" includes time consuming activities of niche interest such as all the osgi tests, but test.suite manages to miss the continuations tests. (cherry picked from commit 422f461578ae0547181afe6d2c0c52ea1071d37b) commit da4748502792b260161baa10939554564c488051 Author: Paul Phillips <paulp@improving.org> Date: Fri Dec 21 12:39:02 2012 -0800 Fix and simplify typedTypeConstructor. Investigating the useful output of devWarning (-Xdev people, it's good for you) led back to this comment: "normalize to get rid of type aliases" You may know that this is not all the normalizing does. Normalizing also turns TypeRefs with unapplied arguments (type constructors) into PolyTypes. That means that when typedParentType would call typedTypeConstructor it would find its parent had morphed into a PolyType. Not that it noticed; it would blithely continue and unwittingly discard the type arguments by way of appliedType (which smoothly logged the incident, thank you appliedType.) The simplification of typedTypeConstructor: There was a whole complicated special treatment of AnyRef here which appears to have become unnecessary. Removed special treatment and lit a candle for regularity. Updated lots of tests regarding newly not-so-special AnyRef. (cherry picked from commit 394cc426c1ff1da53146679b4e2995ece52a133e) commit 1f3c77bacb2fbb3ba9e4ad0a8a733e0f9263b234 Author: Paul Phillips <paulp@improving.org> Date: Fri Dec 21 15:06:10 2012 -0800 Removed dead implementation. Another "attractive nuisance" burning off time until I realized it was commented out. (cherry picked from commit ed40f5cbdf35d09b02898e9c0950b9bd34c1f858)
* | / SI-6966 Fix regression in implicit resolutionJason Zaugg2013-01-121-0/+17
| |/ |/| | | | | | | Reverts this line: 9c09c17#L50L671. That value was apparantly discarded intentionally.
* | Merge commit 'refs/pull/1844/head' into merge/pr-1844Paul Phillips2013-01-118-0/+28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'refs/pull/1844/head': macroExpandAll is now triggered by typed SI-5923 adapt macros when they are deferred generalizes macroExpand typedPrimaryConstrBody now returns supercall more precise errors for macros parentTypes => typedParentTypes changes isTermMacro checks to something more universal fixes printing of AppliedTypeTree adds Trees.replace(Tree, Tree) makes macro override error more consistent refactors handling of macros in repl SI-5903 extractor macros do work adds c.macroRole Conflicts: src/compiler/scala/tools/nsc/typechecker/Macros.scala src/compiler/scala/tools/nsc/typechecker/Typers.scala
| * | SI-5923 adapt macros when they are deferredEugene Burmako2013-01-098-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Amazingly enough, the fix for the "macro not expanded" problem was super easy. (And I remember spending a day or two trying to find a quick fix somewhen around Scala Days 2012!) The problem was in the implementation of the macro expansion trigger, which was buried in a chain of if-elif-elif. This meant that macro expansion was mutually exclusive with a lot of important adaptations, e.g. with `instantiate`. More precisely, if an expandee contains an undetparam, its expansion should be delayed until all its undetparams are inferred and then retried later. Sometimes such inference can only happen upon a call to instantiate in one of the elif's coming after the macro expansion elif. However this elif would never be called for expandees, because control flow would always enter the macro expansion branch preceding the inference branch. Consequences of this fix are vast. First of all, we can get rid of the "type parameter must be specified" hack. Secondly and most importantly, we can now remove the `materializeImplicit` method from Implicits and rely on implicit macros to materialize tags for us. (This is a tricky change, and I'll do it later after we merge as much of my pending work as possible). Finally, we learn that the current scheme of interaction between macros, type inference and implicits is, in principle, sound!
* | | Merge pull request #1874 from paulp/pr/mode-value-classPaul Phillips2013-01-111-1/+1
|\ \ \ | | | | | | | | Made "mode" into a value class.
| * | | Made "mode" into a value class.Paul Phillips2013-01-091-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is an obvious place to apply value class goodness and collect some safety/sanity in typing modes. It does show off a challenge in introducing value classes without disruption: there's no way to deprecate the old signature of 'typed', 'adapt', etc. because they erase the same. class Bippy(val x: Int) extends AnyVal class A { @deprecated("Use a bippy") def f(x: Int): Int = 5 def f(x: Bippy): Int = x.x } ./a.scala:5: error: double definition: method f:(x: Bippy)Int and method f:(x: Int)Int at line 4 have same type after erasure: (x: Int)Int An Int => Mode implicit handles most uses, but nothing can be done to avoid breaking anything which e.g. extends Typer and overrides typed.
* | | SI-6566, unsoundness with alias variance.Paul Phillips2013-01-091-0/+7
| | | | | | | | | | | | | | | | | | | | | This wasn't as bad as it could have been. All these changes plug soundness holes in trunk. Mostly we're looking at type aliases which were merely protected when they had to be protected[this] not to allow unsound variance crossover.
* | | Boosted test coverage.Paul Phillips2013-01-091-0/+7
|/ /
* | Merge branch '2.10.x'Adriaan Moors2013-01-083-0/+14
|\| | | | | | | | | | | | | | | | | | | | | | | | | Patches applied: - rename of `dropRepeatedParamType` to `dropIllegalStarTypes` -- required since 8886d22cd6 - fixed test/files/neg/t6406-regextract.flags -- how could this have worked before? Conflicts: src/compiler/scala/tools/nsc/interpreter/TypeStrings.scala src/library/scala/collection/LinearSeqOptimized.scala src/library/scala/util/Properties.scala test/files/run/streams.check test/files/run/streams.scala
| * Merge pull request #1834 from paulp/issue/6897Paul Phillips2013-01-061-0/+6
| |\ | | | | | | SI-6897, lubs and varargs star.
| | * SI-6897, lubs and varargs star.Paul Phillips2012-12-311-0/+6
| | | | | | | | | | | | | | | Don't allow lubs to calculate refinement types which contain a varargs star outside of legal varargs star position.
| * | SI-6896, spurious warning with overloaded main.Paul Phillips2012-12-312-0/+8
| |/ | | | | | | | | Make sure there's no legit main signature before issuing any warnings about missing main methods.
* | adds c.introduceTopLevelEugene Burmako2013-01-053-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first in the family of mutators for the global symbol table, `introduceTopLevel` is capable of creating synthetic top-level classes and modules. The addition of nme.EMPTY_PACKAGE_NAME is necessary to let programmers insert definitions into the empty package. That's explicitly discouraged in the docs, but at times might come in handy. This patch introduce workarounds to avoid incompatibilities with SBT. First of all SBT doesn't like VirtualFiles having JFile set to null. Secondly SBT gets confused when someone depends on synthetic files added by c.introduceTopLevel. Strictly speaking these problems require changes to SBT, and that will be done later. However the main target of the patch is paradise/macros, which needs to be useful immediately, therefore we apply workarounds.
* | Updated copyright to 2013Carlo Dapor2013-01-022-2/+2
| |
* | Merge pull request #1809 from scalamacros/topic/ident-attachmentsPaul Phillips2012-12-294-0/+23
|\ \ | | | | | | fixes the typedIdent problem for good
| * | fixes the typedIdent problem for goodEugene Burmako2012-12-284-0/+23
| | | | | | | | | | | | | | | | | | Previous attachment retaining fix was only working for Idents which get turned into Selects. Now it works for all transformations applied to Idents (e.g. when an ident refers to something within a package obj).
* | | SI-6846, regression in type constructor inference.Paul Phillips2012-12-281-0/+28
| | | | | | | | | | | | | | | | | | | | | In 658ba1b4e6 some inference was gained and some was lost. In this commit we regain what was lost and gain even more. Dealiasing and widening should be fully handled now, as illustrated by the test case.
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