| Commit message (Collapse) | Author | Age | Files | Lines |
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Inline trees can now be read form TASTY. However, positions are not set
correctly. This remains to be implemented.
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pos/power inlines with alomst no extraneous boilerplate.
neg/power gives an error that maximal numbers of inlines was exceeded.
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... to tag inlined calls. Perform typings and transformations
of inlined calls in a context that refers to the INlined node
in its InlinedCall property.
The idea is that we can use this to issue better error
positions. This remains to be implemented.
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To be done: outer accessors
To be done: error positions
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`apply` nodes should not be inserted in the result parts
of a block, if-then-else, match, or try. Instead they should
be added to the surrounding statement.
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Fix #1457: Three incompatbilities with scalac
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Scala2 does not conform to spec Section 2, where it says:
Bindings of different kinds have a precedence defined on them:
1. Definitions and declarations that are local, inherited, or made available by a package clause and also defined in the same compilation unit as the reference, have highest precedence.
2. Explicit imports have next highest precedence.
3. Wildcard imports have next highest precedence.
4. Definitions made available by a package clause, but not also defined in the same compilation unit as the reference, have lowest precedence.
In fact Scala 2, merges (1) and (4) into highest precedence.
This commit simulates the Scala2 behavior under -language:Scala2, but gives a migration
warning. For the naming-resolution test case we get:
dotc *.scala -language:Scala2 -migration
callsite.scala:9: migration warning: Name resolution will change.
currently selected : naming.resolution.Files
in the future, without -language:Scala2: java.nio.file.Files'
where Files is a type in package object package which is an alias of java.util.stream.Stream[java.nio.file.Path]
Files' is a class in package file
def gimmeFiles: Files = Files.list(Paths.get("."))
^
one warning found
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Two of these are unavoidable. I moved the tests to diabled/not-representable
and added in each case a comment to the main scala file detailing why there
is a deviation.
The last one (import-rewrite) is fixed.
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Fix #1513: misaligned by name type parameter type bounds
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This commit removes a problematic duplicated `checkBounds` call on `TypeApply`.
To verify correctness of this change on has to check that `normalizeTree` used only once [1],
and the function using `normalizeTree` already takes care of calling `checkBounds`.
[1]: https://github.com/lampepfl/dotty/blob/0e8f05d88bfef95fac59f522fd9d06792126bd11/src/dotty/tools/dotc/transform/PostTyper.scala#L205
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Fixes for scala.Dynamic
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Fix #1335: Generate null checks for extractors
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The issue fixed here was introduced by 71027f15. The added `csyms.isEmpty` condition on `case nil =>` is always true, which is clearely a bug.
t1500c still fails with covariant (or contravariant) type parameters on `::`, but this seams to be a more complicated issue involving the typer.
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More tweaks to type inference
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type.
Test case is isApplicableSafe -Ycheck:first.
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We did not properly rename parameter references before.
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We now always widen selector type to the superclass if necessary,
no matter whether the selector type refers to a trait or a proper
class.
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The special case in hasMatchingMember dealing with self-refential
members has to be generalized to deal lower and upper bounds.
Test case is t762.scala
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Fixes SI-7426, which caused a double definition before.
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Fallback to .filter if a .withFilter is not available, but do this
only for .withFilter calls generated from for expressions (this is
different from what scalac does; the latter can also rewrite
.withFilter calls given in source, which is not desirable.
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Passing tests from pending/pos go in pos. Some others
go in diabled/not-testable. These are tests that require
a compilation order which we cannot yet do with our unit
testing framework. Compiling them alltogether (as is now
doen in junit) does not work either for them because they
contain a duplicate class.
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This one failed in getters before because a (previously unchecked) assignment
was turned into a checked application. Now it passes.
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Make sure arguments are evaluated in the correct typer state.
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There's a tricky interaction with caching of typed arguments in FunProto types
and backtracking using different typer states. We might end up with a typed
argument that is evaluated in one typer state and that is used in another. The
problem is that the argument typing might have inserted type variables (maybe
by adding polymorphic implicit views) that are not registered in the typer
state in which the application is finally typed. In that case we will see
an "orphan poly parameter" in pickling.
The fix is to discard argument types is their typerstate is not committed
to the one in which the application is finally typed. To apply the fix we
need to track
- for typer states: whether or not it was committed, and what its parent is.
- for function prototypes: the typer state in which an argument with cached type
was evaluated.
Test case is t1756.scala, which produced an "orphan poly parameter CI" before.
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Using Scala 2.11.8 and dotty at bcfa3be8cfe2be.
cc/ #1457
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Fix #1444: Pass implicits to parameterless traits if needed
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If a super trait is given as a type (i.e. no argument list), implicit args were
not passed. This is fixed now. Also, we now check for parameterized traits lacking
type arguments in Typer instead of in Mixin.
Fixes #1444.
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