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* SI-6696 removes "helper" tree factory methodsEugene Burmako2012-12-061-1/+1
| | | | | | | | | As experience shows, these methods can easily be a source of confusion for the newcomers: https://issues.scala-lang.org/browse/SI-6696. I'm only leaving the TypeTree(tp) factory, since the facility to set underlying types for type trees is not exposed in the public API, as it's inherently mutable.
* Put more implementation restrictions on value classes.Grzegorz Kossakowski2012-10-032-0/+25
| | | | | | | | | | | | | | | | | | Nested objects, classes and lazy vals are disallowed at any nesting level in value classes; e.g. lazy vals local to a method defined in a value class. There are still allowed in universal traits. This is a temporary, implementation restriction that is planned to be addressed in future releases of Scala. Error messages has been updated to communicate that intent. Moved tests for SI-5582 and SI-6408 to pending folder. They have to stay there until implementation restrictions are addressed. Closes SI-6408 and SI-6432. Review by @odersky, @harrah and @adriaanm.
* Merge pull request #1399 from paulp/210-uncheckedGrzegorz Kossakowski2012-09-281-0/+54
|\ | | | | Much better unchecked warnings.
| * Additional new tests for unchecked warnings.Paul Phillips2012-09-251-0/+54
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* | SI-6412 alleviates leaks in toolboxes, attempt #2Eugene Burmako2012-09-271-0/+26
|/ | | | | | | | | | | | | | | | | Turns importer caches into fully weak hash maps, and also applies manual cleanup to toolboxes every time they are used. It's not enough, because reflection-mem-typecheck test is still leaking at a rate of ~100kb per typecheck, but it's much better than it was before. We'll fix the rest later, after 2.10.0-final. For more information, see https://issues.scala-lang.org/browse/SI-6412 and http://groups.google.com/group/scala-internals/browse_thread/thread/eabcf3d406dab8b2 In comparison with https://github.com/scala/scala/commit/b403c1d, the original commit that implemented the fix, this one doesn't crash tests. The problem with the original commit was that it called tryFixup() before updating the cache, leading to stack overflows.
* Revert "SI-6412 alleviates leaks in toolboxes"Grzegorz Kossakowski2012-09-251-26/+0
| | | | This reverts commit b403c1d7524ccdfc3455b5bc5d5363fdd9c82bec.
* SI-6412 alleviates leaks in toolboxesEugene Burmako2012-09-241-0/+26
| | | | | | | | | | | | Turns importer caches into fully weak hash maps, and also applies manual cleanup to toolboxes every time they are used. It's not enough, because reflection-mem-typecheck test is still leaking at a rate of ~100kb per typecheck, but it's much better than it was before. We'll fix the rest later, after 2.10.0-final. For more information, see https://issues.scala-lang.org/browse/SI-6412 and http://groups.google.com/group/scala-internals/browse_thread/thread/eabcf3d406dab8b2
* Normalized line endings.Paul Phillips2012-09-205-18/+18
| | | | | | This brings all the files into line with the .gitattributes settings, which should henceforth be automatically maintained by git.
* SI-5943 toolboxes now autoimport Predef and scalaEugene Burmako2012-09-202-0/+20
| | | | | | | | | | Previously tb.typeCheck used default typer, which builds upon NoContext. Changing the context to analyzer.rootContext(NoCompilationUnit, EmptyTree) fixed the missing imports problem. Unfortunately this doesn't help in cases like "math.sqrt(4.0)" because of https://issues.scala-lang.org/browse/SI-6393. But anyways I'm adding this test case to pending.
* SI-6342 cleans up toolbox APIEugene Burmako2012-09-1512-12/+12
| | | | | | 1) parseExpr => parse 2) runExpr => eval 3) Introduces compile(Tree): () => Any, since it has frequent uses
* SI-6310 AbsTypeTag => WeakTypeTagEugene Burmako2012-09-145-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | The new name for AbsTypeTag was a matter of a lengthy discussion: http://groups.google.com/group/scala-internals/browse_thread/thread/fb2007e61b505c4d I couldn't decide until having fixed SI-6323 today, which is about trying to reflect against a local class using typeOf. The problem with local classes is that they aren't pickled, so their metadata isn't preserved between Scala compilation runs. Sure, we can restore some of that metadata with Java reflection, but you get the idea. Before today typeOf of a local class created a free type, a synthetic symbol, with a bunch of synthetic children that remember the metadata, effectively creating a mini symbol table. That might be useful at time, but the problem is that this free type cannot be reflected, because the global symbol table of Scala reflection doesn't know about its mini symbol table. And then it struck me. It's not the presence of abs types (type parameters and abs type members) that differentiates arbitrary type tags from good type tags. It's the presence of types that don't map well on the runtime world - ones that can't be used to instantiate values, ones that can't be reflected. So we just need a name for these types. Phantom types are compile-time only concept, whereas our types can have partial correspondence with the runtime. "Weak types" sound more or less okish, so let's try them out.
* Pending test for SI-3943Paul Phillips2012-09-122-0/+22
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* cleanup for macroExpandEugene Burmako2012-08-184-0/+18
| | | | | | | | | | | | | Error reporting is moved to ContextErrors to disentangle stuff in Macros.scala. With logics and error reporting intertwined it was an awful mess. Exceptions are used for the same reason. Instead of threading failures through the code polluting it with options/ifs, I outline the success path. It worked much better for typedMacroBody, but I'm also happy with the resulting code of macroExpand. To me a major factor towards applicability of exceptions was that they are short-lived and that there might be max one error per domain, after which we unconditionally bail.
* SI-6186 TypeTags no longer supported in macrosEugene Burmako2012-08-075-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original idea was to support both both TypeTags and ConcreteTypeTags as context bounds on macro implementations. Back then TypeTags were the implied default flavor of type tags. Basically because "TypeTag" is shorter than "ConcreteTypeTag" everyone jumped onto them and used them everywhere. That led to problems, because at that time TypeTags could reify unresolved type parameters ("unresolved" = not having TypeTag annotations for them). This led to a series of creepy errors, when one forgets to add a context bound in the middle of a chain of methods that all pass a type tag around, and then suddenly all the tags turn into pumpkins (because that unlucky method just reifies TypeRef(NoPrefix, <type parameter symbol>, Nil and passes it down the chain). Hence we decided to rename ConcreteTypeTag => TypeTag & TypeTag => AbsTypeTag, which makes a lot of sense from a reflection point of view. Unfortunately this broke macros (in a sense), because now everyone writes TypeTag context bounds on macro implementations, which breaks in trivial situations like: "def foo[T](x: T) = identity_macro(x)" (the type of x is not concrete, so macro expansion will emit an error when trying to materialize the corresponding TypeTag). Now we restore the broken balance by banning TypeTag from macro impls. This forces anyone to use AbsTypeTags, and if someone wants to check the input for presence of abstract types, it's possible to do that manually.
* Fix for SI-4945, repl hang on -i input.Paul Phillips2012-08-063-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Other breakage had accumulated among Settings. I determined that once upon a time, "MultiStringSetting" accepted arguments like this: scala -foo bip bop bar Somewhere this was changed to force a : argument, like scala -foo:bip,bop,bar This incurs breakage. The repl has always advertised its -i option without a colon and it has always been a MultiStringSetting. Forcing everything into the : seemed like the wrong thing, especially because it will stomp on any whitespace containing arguments, whereas in the original form scala -foo bip "bop bar" baz will yield its arguments as given. So lacking any good ideas and knowing something probably depends on each way already, I made it work both ways.
* evicts last traces of makro from our codebaseEugene Burmako2012-08-0214-15/+15
| | | | Removes the stubs left out to appease the old starr, fixes macro tests.
* SI-4560 - improved testJohannes Rudolph2012-07-241-9/+0
| | | | | | Added all the known cases of failing self-types. Added tests for symbol access (SI-4601) as well which should now be fixed for all of the same cases as well.
* SI-5999 removes Context.reifyEugene Burmako2012-07-205-5/+5
| | | | | | | | | | | | | | | | | | | | | | Currently there are discrepancies between the behavior of c.reify and c.universe.reify. First step in fixing these problems is removing the duplication in the API. That's why I'm cutting away the Context.reify shortcut. Context.reify is a magic macro, hardwired in the fast track mechanism, so removing it requires redeploying the starr (because an old starr will crash if launched on sources that don't contain Context.reify). To cleanly redeploy a starr I've left a Context.reify stub in sources, but hidden it behind a `protected` modifier. When starr is redeployed (in a subsequent commit) the stub will be removed. I've also updated the tests to use c.universe.reify instead of c.reify. This will break some of them, because c.universe.reify uses a standard compiler mirror, which unlike a macro mirror doesn't like packageless classes. That's an annoyance, but I think having clean separation of commits is more important that being 100% consistent.
* Merge pull request #935 from scalamacros/ticket/5695Adriaan Moors2012-07-183-22/+0
|\ | | | | SI-5695 removes Context.enclosingApplication
| * SI-5695 removes Context.enclosingApplicationEugene Burmako2012-07-183-22/+0
| | | | | | | | | | | | | | | | | | Apparently it's impossible to find out the enclosing Apply node if you're an argument being typechecked (because the arguments are typechecked separately from the enclosing Apply). This functionality is by far not a core feature of macros, so I'm removing it.
* | move test files that fail spuriously to pendingAdriaan Moors2012-07-1720-0/+291
|/ | | | | | | | | | | | | | | I have this sneaky suspicion that part of these spurious failures are caused by the recent partest optimizations. @axel22 already checked that compiler instances are not shared between test runs. However, except for the benchmark test, they all have a distinct race condition in symbol loading/type checking feel to them. Since, in the end, the tests and/or their corresponding fixes are as likely a culprit as the test framework, moving them out of the way until their owners can get them back in line and they stop throwing primate wenches into our build. We should bring them back as soon as possible, though.
* reify no longer dealiases symbols and typesEugene Burmako2012-07-0210-0/+163
| | | | | this uncovers a bug in toolboxes: https://issues.scala-lang.org/browse/SI-6007 however that bug is not critical, so it will be dealt with later
* Improves backward compatibility of manifestsEugene Burmako2012-07-024-0/+33
| | | | | | | | | | | | | | | | 1) type ClassManifest[T] = ClassTag[T] (solves a problem with toArray[T: ClassManifest] defined on most of the collections; if these types weren't aliases, then we won't be able to change the signature of that method to toArray[T: ClassTag], because that would break source compatibility for those who override toArray in their custom collections) 2) Compiler-generated manifests no longer trigger deprecation warnings (this is implemented by using ClassManifestFactory instead of ClassManifest and ManifestFactory instead of Manifest) 3) Deprecation messages got improved to reflect the changes that were introduced in 2.10.0-M4.
* enables reification of anonymous classesEugene Burmako2012-06-182-0/+18
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* SI-5162 Exclude super.foo from the erasure cast of SI-4283Jason Zaugg2012-06-113-28/+0
| | | | | | | | | If the target method is defined in Java, treat the super reference as an error, otherwise allow it in the knowledge that Scala loosens the access restrictions on its generated classes. Moves the test for that bug out of pending-ville. It's sufficient to place Test in the empty package to exercise the right code paths.
* TypeTag => AbsTypeTag, ConcreteTypeTag => TypeTagEugene Burmako2012-06-082-5/+5
| | | | | This protects everyone from the confusion caused by stuff like this: https://issues.scala-lang.org/browse/SI-5884
* repairs the tests after the refactoring spreeEugene Burmako2012-06-0854-161/+140
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* macros: -Xmacros is now retiredEugene Burmako2012-06-0811-11/+11
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* Add the first iteration of the `util.hashing` package.Aleksandar Prokopec2012-06-072-0/+69
| | | | | | | | | | | | | | | | | Move `MurmurHash3` to `util.hashing`. Make the `class` private and retain a public companion `object`, and put the `MurmurHash3.Hashing` implementations for various types in the companion. Add a method which composes `ByteswapHashing` with some other hashing. Rename `hashOf` to `hash`. Fix chi-square test in a test-case. Review by @jsuereth. Moved a failing test that seems to use some other library version to pending.
* Orphan checkfile remover.Paul Phillips2012-05-264-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Are these -msil checkfiles used in some secret fashion? The level of activity suggest otherwise. Since scala-nightly-msil has been disabled for over a year, it's an easy rm unless someone speaks up. % tools/rm-orphan-checkfiles Scanning for orphan check files... rm 'test/disabled/run/code.check' rm 'test/files/jvm/t1652.check' rm 'test/files/neg/macro-argtype-mismatch.check' rm 'test/files/neg/macro-noncompilertree.check' rm 'test/files/neg/macro-nontree.check' rm 'test/files/run/Course-2002-01-msil.check' rm 'test/files/run/Course-2002-02-msil.check' rm 'test/files/run/Course-2002-03-msil.check' rm 'test/files/run/Course-2002-04-msil.check' rm 'test/files/run/Course-2002-08-msil.check' rm 'test/files/run/Course-2002-09-msil.check' rm 'test/files/run/Course-2002-10-msil.check' rm 'test/files/run/absoverride-msil.check' rm 'test/files/run/bitsets-msil.check' rm 'test/files/run/boolord-msil.check' rm 'test/files/run/bugs-msil.check' rm 'test/files/run/impconvtimes-msil.check' rm 'test/files/run/infix-msil.check' rm 'test/files/run/iq-msil.check' rm 'test/files/run/macro-invalidret-doesnt-conform-to-impl-rettype.check' rm 'test/files/run/macro-rettype-mismatch.check' rm 'test/files/run/misc-msil.check' rm 'test/files/run/promotion-msil.check' rm 'test/files/run/richs-msil.check' rm 'test/files/run/runtime-msil.check' rm 'test/files/run/tuples-msil.check' rm 'test/pending/jvm/t1464.check' rm 'test/pending/run/subarray.check' rm 'test/pending/run/t0446.check' rm 'test/pending/run/t5629.check' Scanning for orphan flags files... rm 'test/files/neg/macro-argtype-mismatch.flags' rm 'test/files/neg/macro-noncompilertree.flags' rm 'test/files/neg/macro-nontree.flags' rm 'test/files/pos/anyval-children.flags' rm 'test/files/pos/t3097.flags' rm 'test/files/run/macro-invalidret-doesnt-conform-to-impl-rettype.flags' rm 'test/files/run/macro-rettype-mismatch.flags'
* Pending and passing tests.Paul Phillips2012-05-236-26/+216
| | | | | | | | Move now-passing SI-963 test into neg. Test for partial specialization. Pending test for SI-5008. Pending test for SI-4649. Abstract array type test.
* TreeMaker approximation refactorings and bug fixesAdriaan Moors2012-05-221-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - TypeTestTreeMaker subsumes the old TypeTestTM and TypeAndEqualityTM its type- and equality-testing logic is configurable so that it can: - generate trees (main purpose) - check whether this tree maker is a pure type test - generate the proposition that models this tree maker (for exhaustivity and other analyses) - [CSE] subst binders of dropped tm's to stored ones somehow the refactoring broke the replacement of the binder of dropped treemakers by the binder of the reused treemaker when replacing TM1(x1 => ...) >> TM2(x2 => ...) >> TM3(x3 => ...) >> ... TM1'(x1' => ...) >> TM2'(x2' => ...) >> TM3(x3' => ...) >> ... by Memo1(x1 => ...) >> TM2(x2 => ...) >> Memo2(x3 => ...) >> ... Reuse(Memo2)... you need to replace x1' and x2' by x1 since TM2 tested a shared condition but was not memo-ised, that implies it simply passed x1 through to x3 unmodified, and x2' can simply use the stored x1 - type of first uniqued binder sets type of tree when approximating a tree of treemakers as a DAG, where sharing indicates the same value is tested, use the type of the binder that was first used to create a unique tree as the type of that tree, and thus all trees used for the same binder in the future - track substitution of alternatives when approximating - error on unswitchable @switch annotated matches if we can't turn a match (with more than two cases) into a switch, but the user insists, emit an error misc notes: - when all you need is nextBinder, FunTreeMaker is your guy - must pass flag to TypeTestTM for extractorarg test case TypeTestTreeMaker(prevBinder, testedBinder, expectedTp, nextBinderTp) (prevBinder eq testedBinder) does not imply it's a pure type test for an extractor call note that the expected type for an extractor argument is not a type pattern, thus we only do a classic type test -- the idea was to detect that case by noticing we're being called with the same previous and tested binder, but that case also arises for Typed patterns
* Pending test for SI-3899.Jason Zaugg2012-05-203-0/+39
| | | | | | The super accessor for the Java varargs method impedes Uncurry's efforts to convert repeated arguments to an Array. I'm not sure how to fix that.
*-. Merge commit 'refs/pull/547/head'; commit 'refs/pull/548/head'; commit ↵Paul Phillips2012-05-142-26/+0
|\ \ | | | | | | | | | 'refs/pull/549/head'; commit 'refs/pull/550/head'; commit 'refs/pull/551/head' into develop
| | * Better fix for SI-5676. Review by @paulpHubert Plociniczak2012-05-142-26/+0
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* | Removing redunant/passing tests from pending.Paul Phillips2012-05-104-66/+0
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* | Merge commit 'refs/pull/526/head' into developPaul Phillips2012-05-103-97/+0
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| * | Fixed SI-5708. Correctly compute accessibility for object members.Iulian Dragos2012-05-103-97/+0
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* | | Test cases.Paul Phillips2012-05-105-0/+62
| | | | | | | | | | | | | | | | | | Closes SI-4482, SI-4651, SI-3702. Pending tests for SI-1832, SI-3439, SI-5091, SI-5231, SI-5265.
* | | More useful crash reports.Paul Phillips2012-05-101-5/+5
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you can't get your hands on something which crashes scalac - I know, I know - you can try this ready-made crasher. % cat test/pending/pos/t4717.scala trait Bounds[@specialized A] { // okay without `>: A` def x[B >: A]: Unit = new Bounds[B] { lazy val it = ??? // def or val okay it } } % scalac -d /tmp test/pending/pos/t4717.scala error: while compiling: test/pending/pos/t4717.scala during phase: specialize library version: version 2.10.0-20120510-134429-ce1d68ed19 compiler version: version 2.10.0-20120510-152646-ba4dfd1e63 reconstructed args: -d /tmp last tree to typer: Select(This(trait Bounds$mcZ$sp), x$mcZ$sp) symbol: method x$mcZ$sp in trait Bounds$mcZ$sp (flags: override <method> <specialized>) symbol definition: override def x$mcZ$sp[B >: Boolean](): Unit tpe: [B >: Boolean]()Unit symbol owners: method x$mcZ$sp -> trait Bounds$mcZ$sp -> package <empty> context owners: value it -> anonymous class $anon -> method x$mcZ$sp -> trait Bounds$mcZ$sp -> package <empty> == Enclosing template or block == Block( Assign( $anon.this."it " Apply( // def ???(): Nothing in object Predef, tree.tpe=Nothing scala.this."Predef"."$qmark$qmark$qmark" // def ???(): Nothing in object Predef, tree.tpe=()Nothing Nil ) ) $anon.this."it " // lazy private[this] var it: Nothing, tree.tpe=Nothing ) == Expanded type of tree == PolyType( typeParams = List(TypeParam(B >: Boolean)) resultType = NullaryMethodType( resultType = TypeRef(TypeSymbol(final class Unit extends AnyVal)) ) ) // And then the usual stack trace
* / Fix an inference regression with this.type.Paul Phillips2012-05-091-0/+16
|/ | | | Closes SI-5210.
*-. Merge commit 'refs/pull/510/head'; commit 'refs/pull/511/head'Paul Phillips2012-05-081-0/+19
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| | * Test case for SI-5378phaller2012-05-081-0/+19
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* | | Add test for t5564 in pending/posphaller2012-05-081-0/+5
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*-----------------. \ Merge remote-tracking branches 'scalamacros/ticket/5722', ↵Paul Phillips2012-05-0716-0/+158
|\ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'scalamacros/ticket/5726', 'scalamacros/ticket/5610', 'scalamacros/ticket/5654', 'scalamacros/ticket/5521', 'scalamacros/ticket/5585', 'scalamacros/ticket/5503', 'scalamacros/ticket/4728', 'scalamacros/ticket/5534' and 'scalamacros/ticket/4560'
| | | | | | | | | | * | test for SI-4560Eugene Burmako2012-05-081-0/+9
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| | | | | | | | | * | | test for SI-5534Eugene Burmako2012-05-081-0/+11
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| | | | | | | | * / / test for SI-4728Eugene Burmako2012-05-082-0/+13
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| | | | | | | * / / test for SI-5503Eugene Burmako2012-05-082-0/+19
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| | | | | | * / / test for SI-5585Eugene Burmako2012-05-081-0/+18
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