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* new version numbers for snapshot and integration builds, new repositoryLukas Rytz2017-03-081-1/+1
| | | | | | | | | | Integration builds now have version number like `2.12.2-bin-sha7` or `2.13.0-pre-sha7` and are published to scala-integration (no longer scala-release-temp). scala-release-temp is still used in the bootstrap script for publishing intermediate artifacts (starr, locker). Various cleanups in the scripts.
* Merge pull request #5585 from som-snytt/issue/10097Adriaan Moors2017-02-071-0/+2
|\ | | | | SI-10097 Error if no non-implicit case class param
| * SI-10097 Adapt unless -Xsource:2.13Som Snytt2016-12-141-1/+4
| | | | | | | | | | | | For 2.12 migration, insert missing case class param section, strip caseaccessor from implicit paramsection, and deprecate the adaptation.
| * SI-8704 Also warn if effectively multiple implicitSom Snytt2016-12-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | Current semantics are that leading implicit param turns the parameter section into an implicit section (though without making other params implicitly implicit). Warn if more than one head of a param section is implicit, since that results in multiple implicit param sections.
* | SI-9729 -Xmaxerrs to limit messagesSom Snytt2017-01-312-5/+7
| | | | | | | | | | Since 2.7.2, console reporter has limited error messages to a fixed 100. Use `-Xmaxerrs -Xmaxwarns` as from `javac` to configure.
* | SI-10068 Only permit elidable methodsSom Snytt2016-12-141-1/+4
|/ | | | | | | | In refchecks, check that symbol with `@elidable` is a method. When eliding in uncurry, doublecheck. The check is enabled under `-Xsource:2.13`.
* delete dead codeLars Hupel2016-12-011-2/+0
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* remove deprecated compiler flag "-Yinfer-by-name"Lars Hupel2016-12-011-1/+0
| | | | This was slated for removal in 2.12.
* remove deprecated compiler flag "-Yeta-expand-keeps-star"Lars Hupel2016-12-011-1/+0
| | | | This was slated for removal in 2.12.
* Pattern matching virtualization now guarded by -Yvirtpatmat.Miles Sabin2016-11-281-0/+1
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* Merge pull request #5393 from som-snytt/issue/nowarn-thistype-discardLukas Rytz2016-10-211-5/+2
|\ | | | | No warn when discarding r.f(): r.type
| * No warn when discarding r.f(): r.typeSom Snytt2016-09-101-5/+2
| | | | | | | | | | | | | | | | | | | | The paradigm is `def add(x: X): Unit = listBuffer += x`. The value that is discarded is not new information. Also cleans up the recent tweaks to help messaging. Adds newlines in case they ask for multiple helps.
* | Merge 2.11.x into 2.12.xAdriaan Moors2016-10-181-5/+13
|\ \ | | | | | | | | | | | | | | | | | | | | | Fix conflict in #5453: ``` - def help: String = { + override def help: String = { ```
| * | SI-9832 -Xlint:help shows defaultSom Snytt2016-10-111-5/+13
| | | | | | | | | | | | | | | | | | Conclude help method with the default list. Extra words are supplied for underscore.
* | | Default -Xmixin-force-forwarders to trueLukas Rytz2016-09-301-2/+2
| |/ |/| | | | | | | | | | | | | | | | | Also eliminates the warning when a mixin forwarder cannot be implemented because the target method is a java-defined default method in an interface that is not a direct parent of the class. The test t5148 is moved to neg, as expected: It was moved to pos when disabling mixin forwarders in 33e7106. Same for the changed error message in t4749.
* | Add a -Xmixin-force-forwarders ChoiceSettingLukas Rytz2016-09-022-3/+16
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* | Allow per-choice help in ChoiceSettingLukas Rytz2016-09-023-13/+28
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* | Allow all settings to be helpingLukas Rytz2016-09-013-4/+10
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* | Emit mixin forwarders for JUnit-annotated trait methods by defaultLukas Rytz2016-09-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | JUnit 4 does not support default methods. For better user experience, this commit makes the compiler generate mixin forwarders for inherited trait methods that carry a JUnit annotation. The -Yjunit-trait-methods-no-forwarders flag disables this behavior. This supersedes the scala-js/scala-2.12-junit-mixin-plugin compiler plugin.
* | SD-182 compiler option -Xgen-mixin-forwardersLukas Rytz2016-07-151-0/+1
| | | | | | | | | | Introduce a compiler option -Xgen-mixin-forwarders to always generate mixin forwarder methods.
* | Merge pull request #5102 from milessabin/2.12.xJason Zaugg2016-05-271-1/+2
|\ \ | | | | | | SI-2712 Add support for partial unification of type constructors
| * | -Xexperimental mode now only includes -Ypartial-unificationMiles Sabin2016-05-241-1/+1
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| * | SI-2712 Add support for higher order unificationMiles Sabin2016-05-241-0/+1
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* | | Merge pull request #5186 from lrytz/inlinerM5Jason Zaugg2016-05-271-1/+3
|\ \ \ | | | | | | | | Debug flag to print a summary of the inliner's work
| * | | Debug flag to print a summary of the inliner's workLukas Rytz2016-05-241-1/+3
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Example output below. Note that inlining List.map fails because the trait forwarder uses `INVOKESPECIAL` for now, will change with pr 5177. $ cat Test.scala class C { def foo = Map(1 -> 'a', 2 -> 'b') def bar(l: List[Int]) = l.map(_ + 1) } $ qsc -Yopt-log-inline _ -Yopt:l:classpath Test.scala Inlining into C.foo (initially 36 instructions, ultimately 72): - Inlined scala/Predef$ArrowAssoc$.$minus$greater$extension (8 instructions) 2 times: the callee is annotated `@inline` Inlining into C.bar (initially 12 instructions, ultimately 12): - Failed to inline scala/collection/immutable/List.map (the callee is a higher-order method, the argument for parameter (bf: Function1) is a function literal): The callee scala/collection/immutable/List::map(Lscala/Function1;Lscala/collection/generic/CanBuildFrom;)Ljava/lang/Object; contains the instruction INVOKESPECIAL scala/collection/TraversableLike.map (Lscala/Function1;Lscala/collection/generic/CanBuildFrom;)Ljava/lang/Object; that would cause an IllegalAccessError when inlined into class C.
* / / Rename -Yopt to -opt, -Yopt-warnings to -opt-warningsLukas Rytz2016-05-251-42/+42
|/ / | | | | | | Keep -Yopt-inline-heuristics and -Yopt-trace unchanged
* | Merge pull request #5112 from lrytz/dropRecursiveClasspathJason Zaugg2016-05-051-6/+0
|\ \ | | | | | | Remove legacy recursive classpath implementation
| * | Remove abstraction layer in classpath implementationLukas Rytz2016-05-021-5/+0
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| * | remove recursive classpath implementationLukas Rytz2016-04-231-1/+0
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* | | Emit a warning when a constant expression evaluates to an ↵Olli Helenius2016-05-021-0/+2
| | | | | | | | | | | | ArithmeticException (#5123)
* | | More efficient code for deciding if a mixin forwarder is needed (#5116)Lukas Rytz2016-04-251-0/+2
|/ / | | | | | | Also adds a warning on junit test methods that compile as default methods.
* | General cleanups and less warnings during a Scala buildsoc2016-04-042-3/+2
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* | Remove dead code now that `genBCodeActive` is always true.Adriaan Moors2016-03-261-1/+1
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* | Enable flat classpath by defaultLukas Rytz2016-03-221-1/+1
| | | | | | | | | | | | | | Implements VirtualDirectoryFlatClassPath, which is required for the presentation compiler created for the repl's tab-completion. Various minor cleanups in the flat classpath implementation.
* | Remove -Y settings that are no longer used in 2.12Lukas Rytz2016-02-162-46/+16
| | | | | | | | | | | | Added a deprecation warning for `-optimize`. Later we'll also graduate `-Yopt` to `-opt`, probably for 2.12.0-M5.
* | rename -YoptTrace to -Yopt-traceLukas Rytz2016-02-031-1/+1
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* | -YoptTrace takes a package/Class.method parameterLukas Rytz2016-01-251-1/+1
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* | Merge remote-tracking branch 'upstream/2.12.x' into opt/elimBoxesLukas Rytz2016-01-242-5/+2
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| * | Merge commit '8eb1d4c' into merge-2.11-to-2.12-nov-24Lukas Rytz2015-11-241-1/+1
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| | * it's Scaladoc, not "ScalaDoc" or "Scala doc"Seth Tisue2015-11-121-1/+1
| | | | | | | | | | | | | | | renaming the existing ScalaDoc and ScalaDocReporter classes might break stuff, sadly, but at least we can fix the rest
| * | Remove ICodeSimon Ochsenreither2015-10-311-1/+0
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| * | Remove GenASM, merge remaining common code snippetsSimon Ochsenreither2015-10-271-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | Jump optimizations may enable more push-pop eliminationLukas Rytz2016-01-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Jump optimization replaces an unnecessary conditional jump, e.g. `IFNULL l; l: ...` by `POP`, which enables further push-pop elimination. Also introduces a `-YoptTrace` flag that traces the progress of the bytecode as it goes through local optimizations.
* | | Ensure that `-Yopt:l:none` takes precedence, tidy optimizer settingsLukas Rytz2015-12-151-17/+28
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* | | Eliminate unnecessary castsLukas Rytz2015-12-151-1/+3
| | | | | | | | | | | | | | | | | | Eliminate casts that are statically known to succeed. This enables boxes to be eliminated and simplifies the implementation of closure allocation elimination.
* | | Eliminate non-escaping boxes, tuples and refsLukas Rytz2015-12-151-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | Eliminate boxes, tuples and refs that are created and used within a single method without escaping. For details on the implementation see the doc comment in class BoxUnbox. This commit also cleans up the logic of inter-dependent method-level optimizations that run until reaching a fixpoint.
* | | Clean up optimizer settings.Lukas Rytz2015-11-101-13/+9
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* | | Copy propagation, remove unused values (closures!) and local variablesLukas Rytz2015-11-101-1/+3
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Copy propagation uses an AliasingAnalyzer: it replaces a `LOAD n` instruction by `LOAD m` where m is the smallest alias of n. This leads to stale STORE instructions. Stale STOREs are identified using a ProdCons analyzer and replaced by POPs. Values that are pushed on the stack by a side-effect free instruction and consumed by a POP are then removed by `eliminatePushPop`. This includes elimination of unused closure allocations and unused boxes and tuple allocations (*). A final cleanup eliminates `STORE x; LOADx` pairs where the stored value is not otherwise used. Fixes - https://github.com/scala/scala-dev/issues/25 - https://github.com/scala/scala-dev/issues/7 - https://github.com/scala/scala-dev/issues/14 - https://github.com/scala/scala-dev/issues/12 (*) We don't yet rewrite reads of boxes and tuples yet. For example, `val x = (1, 2); x._1` remains a method invocation and the tuple cannot be eliminated (https://github.com/scala/scala-dev/issues/11). Inspired in many ways by Miguel's work!
* | Remove the old REPL tab completion implementationJason Zaugg2015-09-231-1/+0
| | | | | | | | | | We kept it around behind an option in 2.11.x, but we can jettison it in 2.12.x.
* | Merge commit '03aaf05' into merge-2.11-to-2.12-sep-22Lukas Rytz2015-09-221-2/+3
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