| Commit message (Collapse) | Author | Age | Files | Lines |
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it's Scaladoc, not ScalaDoc
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renaming the existing ScalaDoc and ScalaDocReporter classes might
break stuff, sadly, but at least we can fix the rest
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SI-9497 Fix SetLike#clear() default implementation
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When dealing with mutable collections, it is not safe to assume iterators will remain consistent when the collection is modified mid-traversal. The bug reported in SI-9497 is very similar to SI-7269, "ConcurrentModificationException when filtering converted Java HashMap". Then, only the `retain` method was fixed. This commit fixes `clear`, which had the same problem.
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[SI-9503] Deprecate scala.collection.immutable.PagedSeq
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A session test with extra filtering best expresses the intentions.
No check file is required.
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improvements to Windows build & test situation
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this was failing because the expected output was:
res1: List[String] = List(shello, world.)
but the actual output was:
res1: List[String] = List(shello, world., Picked up _JAVA_OPTIONS: -Duser.home=y:\jenkins)
but the "Picked up..." part caused partest's filters feature to
ignore the entire line (it doesn't anchor matches to start of line.)
This was a tough one to track down.
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SI-9513 decrement "deleted" count in OpenHashMap.put() when slot reused
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SI-9492 REPL paste here doc
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Simple here documentish syntax for REPL paste.
This makes it easier to paste a block of script
(as opposed to transcript).
It also means you won't accidentally ctl-D out
of the REPL and then out of SBT and then out of
the terminal window.
```
scala> :paste < EOF
// Entering paste mode (EOF to finish)
class C { def c = 42 }
EOF
// Exiting paste mode, now interpreting.
defined class C
scala> new C().c
res0: Int = 42
scala> :paste <| EOF
// Entering paste mode (EOF to finish)
|class D { def d = 42 }
EOF
// Exiting paste mode, now interpreting.
defined class D
scala> new D().d
res1: Int = 42
scala> :quit
```
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SI-9029 Fix regression in extractor patterns
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Found these in an old review branch of mine.
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The unified treatment of classical and named-based pattern matching
does not correctly handle the generalization of "tuple capture".
By "tuple capture", I mean:
```
scala> object Extractor { def unapply(a: Any): Option[(Int, String)] = Some((1, "2")) }
defined object Extractor
scala> "" match { case Extractor(x: Int, y: String) => }
scala> "" match { case Extractor(xy : (Int, String)) => }
warning: there was one deprecation warning; re-run with -deprecation for details
scala> :warnings
<console>:9: warning: object Extractor expects 2 patterns to hold (Int, String) but crushing into 2-tuple to fit single pattern (SI-6675)
"" match { case Extractor(xy : (Int, String)) => }
^
```
Name based pattern matching, new in Scala 2.11, allows one to
deconstruct the elements that structurally resembles `ProductN`:
```
scala> class P2(val _1: Int, val _2: String)
defined class P2
scala> object Extractor { def unapply(a: Any): Option[P2] = Some(new P2(1, "2")) }
defined object Extractor
scala> "" match { case Extractor(x: Int, y: String) => }
```
However, attempting to extract the `P2` in its entirety leads to
an internal error:
```
scala> "" match { case Extractor(p2: P2) => }
<console>:10: warning: fruitless type test: a value of type (Int, String) cannot also be a P2
"" match { case Extractor(p2: P2) => }
^
<console>:10: error: error during expansion of this match (this is a scalac bug).
The underlying error was: type mismatch;
found : P2
required: (Int, String)
"" match { case Extractor(p2: P2) => }
^
```
Note that this match was legal and warning free in 2.10.
This commit avoids the hard-coded assumption that the "tuple capture"
results in a `TupleN`, and instead keeps track of the product-ish
type from which we extracted the element types. I have also opted not
to limit the deprecation warning to `TupleN` extractors.
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A trio of problems were hampering autocompletion of annotations.
First, given that that annotation is written before the annotated
member, it is very common to end parse incomplete code that has a
floating annotation without an anotatee.
The parser was discarding the annotations (ie, the modifiers) and
emitting an `EmptyTree`.
Second, the presetation compiler was only looking for annotations
in the Modifiers of a member def, but after typechecking annotations
are moved into the symbol.
Third, if an annotation failed to typecheck, it was being discarded
in place of `ErroneousAnnotation`.
This commit:
- modifies the parser to uses a dummy class- or type-def tree,
instead of EmptyTree, which can carry the annotations.
- updates the locator to look in the symbol annotations of the
modifiers contains no annotations.
- uses a separate instance of `ErroneousAnnotation` for each
erroneous annotation, and stores the original tree in its
`original` tree.
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In the code:
```
s"${fooo<CURSOR"
```
The parser treats `fooo` as a interpolator ID for the quote that
we actually intend to end the interpolated string.
Inserting a space (in addition to `__CURSOR__` that we already
patch in to avoid parsing a partial identifier as a keyword),
solves this problem.
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[backport] SI-9375 add synthetic readResolve only for static modules
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For inner modules, the synthetic readResolve method would cause the
module constructor to be invoked on de-serialization in certain
situations. See the discussion in the ticket.
Adds a comprehensive test around serializing and de-serializing
modules.
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Topic/completely 2.11
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Recover part of the identifier that preceded the cursor from the
source, rather than from the name in the `Select` node, which might
contains an encoded name that differs in length from the one in
source.
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I'm pretty sure the `isSynthetic` call added in 854de25ee6 should
instead be `isArtifact`, so that's what I've implemented here.
`isSynthetic` used to also filter out error symbols, which are
created with the flags `SYNTHETIC | IS_ERROR`. I've added an addition
test for `isError`, which was needed to keep the output of
`presentation/scope-completion-import` unchanged.
The checkfile for `presentation/callcc-interpreter` is modified to
add the additional completion proposals: synthetic companion objects.
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When `foo.<TAB>`, assume you don't want to see the inherited members
from Any_ and universally applicable extension methods like
`ensuring`. Hitting <TAB> a second time includes them in the results.
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For the SHIFT-impaired: you can just write everything in lowercase,
(whisper-case?) and we'll try to DWYM.
We treat capital letters that you *do* enter as significant, they
can't match a lower case letter in an identifier.
Modelled after IntellIJ's completion.
I still don't fall into this mode if you enter an exact prefix of
a candidate, but we might consider changing that.
```
scala> classOf[String].typ<TAB>
getAnnotationsByType getComponentType getDeclaredAnnotationsByType getTypeName getTypeParameters
scala> classOf[String].typN<TAB>
scala> classOf[String].getTypeName
res3: String = java.lang.String
scala> def foo(s: str<TAB>
scala> def foo(s: String
String StringBuffer StringBuilder StringCanBuildFrom StringContext StringFormat StringIndexOutOfBoundsException
scala> def foo(s: string<TAB>
scala> def foo(s: String
String StringBuffer StringBuilder StringCanBuildFrom StringContext StringFormat StringIndexOutOfBoundsException
```
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This is just too useful to leave on the cutting room floor.
```
scala> classOf[String].enclo<TAB>
scala> classOf[String].getEnclosing
getEnclosingClass getEnclosingConstructor getEnclosingMethod
scala> classOf[String].simpl<TAB>
scala> classOf[String].getSimpleName
type X = global.TTWD<TAB>
scala> type X = global.TypeTreeWithDeferredRefCheck
```
I revised the API of `matchingResults` as it was clunky to reuse
the filtering on accessibility and term/type-ness while providing
a custom name matcher.
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Trying harder to keep the synthetic interpretter wrapper classes
behind the curtain
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This makes life easier for clients of these APIs, we use this
to avoid passing this around in the wrapper result `TypeMembers`.
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The old implementation is still avaiable under a flag, but we'll
remove it in due course.
Design goal:
- Push as much code in src/interactive as possible to enable reuse
outside of the REPL
- Don't entangle the REPL completion with JLine. The enclosed test
case drives the REPL and autocompletion programatically.
- Don't hard code UI choices, like how to render symbols or
how to filter candidates.
When completion is requested, we wrap the entered code into the
same "interpreter wrapper" synthetic code as is done for regular
execution. We then start a throwaway instance of the presentation
compiler, which takes this as its one and only source file, and
has a classpath formed from the REPL's classpath and the REPL's
output directory (by default, this is in memory).
We can then typecheck the tree, and find the position in the synthetic
source corresponding to the cursor location. This is enough to use
the new completion APIs in the presentation compiler to prepare
a list of candidates.
We go to extra lengths to allow completion of partially typed
identifiers that appear to be keywords, e.g `global.def` should offer
`definitions`.
Two secret handshakes are included; move the the end of the line,
type `// print<TAB>` and you'll see the post-typer tree.
`// typeAt 4 6<TAB>` shows the type of the range position within
the buffer.
The enclosed unit test exercises most of the new functionality.
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Transcript paste mode invites the user to keep typing like
regular paste mode, but really you must enter more transcript.
This matters if the script ends in the middle of incomplete
code that the user wants to complete by hand.
Previously,
```
scala> scala> def f() = {
// Detected repl transcript paste: ctrl-D to finish.
// Replaying 1 commands from transcript.
scala> def f() = {
scala> scala> def f() = {
// Detected repl transcript paste: ctrl-D to finish.
| }
// Replaying 1 commands from transcript.
scala> def f() = {
}
f: ()Unit
```
Now,
```
scala> scala> def f() = {
// Detected repl transcript. Paste more, or ctrl-D to finish.
// Replaying 1 commands from transcript.
scala> def f() = {
| 42
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f: ()Int
scala> f()
res0: Int = 42
```
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The classic banner is available under -Dscala.repl.power.banner=classic.
```
scala> :power
Power mode enabled. :phase is at typer.
import scala.tools.nsc._, intp.global._, definitions._
Try :help or completions for vals._ and power._
```
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SI-9388 Fix Range behavior around Int.MaxValue
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terminalElement (the element _after_ the last one!) was used to terminate foreach loops and sums of non-standard instances of Numeric. Unfortunately, this could result in the end wrapping around and hitting the beginning again, making the first element bad.
This patch fixes the behavior by altering the loop to end after the last element is encountered. The particular flavor was chosen out of a few possibilities because it gave the best microbenchmarks on both large and small ranges.
Test written. While testing, a bug was also uncovered in NumericRange, and was also fixed. In brief, the logic around sum is rather complex since division is not unique when you have overflow. Floating point has its own complexities, too.
Also updated incorrect test t4658 that insisted on incorrect answers (?!) and added logic to make sure it at least stays self-consistent, and fixed the range.scala test which used the same wrong (overflow-prone) formula that the Range collection did.
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Fix NPE in PagedSeq.slice at end of seq
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See https://github.com/scala/scala-parser-combinators/issues/70
Basically the same thing as SI-6615, including the fact everything
works okay if the PagedSeq is printed before calling slice.
It might seem strange that this allows taking slices that start beyond
the end, but
- this was possible anyway if one forced the entire sequence, and
- it is reasonable to be able to take a slice at the very end (not
beyond it) and get an empty sequence, which is exactly what
StreamReader in scala-parser-combinators does and gets an NPE.
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fix partest on Cygwin
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this hadn't been touched since 2013, and didn't work when I tried it
-- not surprisingly since the classpath stuff for partest changed a
lot when Scala was modularized.
the shell script works on Cygwin, so the bat file isn't needed.
further piece of evidence this file is abandoned and unused: at
https://issues.scala-lang.org/browse/SI-3290, in 2010, Lukas Rytz
wrote "i never heard somebody saying it was abandoned, but i never
heard of somebody using it either."
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note that the code removed here is inside an `if $cygwin; then` block,
so it can't affect other environments.
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[backport] Include owner in ErrorNonExistentField message
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This should be particularly helpful for synthetic field names like `evidence$21`.
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partest has custom code for -Xplugin handling (see
DirectCompiler.updatePluginPath for details). that code has its own
idea of what the syntax of -Xplugin is, different from Scalac's.
partest's idea is that multiple paths should be separated by the
platform classpath separator character, so : on Unix and ; on Windows.
the .flags file here was using a colon, and that confuses partest on
Windows, since partest was expecting a semicolon.
it might be nice to fix partest to accept comma as the separator
instead, which is standard for a scalac MultiStringSetting such
as -Xplugin. but it turns out we have an out: we can just provide
multiple -Xplugin flags.
what evidence do I have that this is the right change?
* the test still passes on both Windows and Mac OS X (manually
tested); if Travis likes it, we'll know it passes on Linux too
* I tried reverting Som's fix for SI-9370 (c32ba93) and the test failed,
as expected, both with and without my change
* I added a bunch of debugging output to
DirectCompiler.updatePluginPath in partest, built a new partest jar,
and used it to run the test on Windows with and without my fix, and
verified by eye that the logic there was operating as expected in
both cases
and in conclusion, for Som's benefit: <insert cryptic joke here>
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Such that uncurry can correctly un-dependify them.
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unset inappropriate execute bits
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I imagine these date back to old Subversion days and are probably the
result of inadvertent commits from Windows users with vcs client
configs.
having the bit set isn't really harmful most of the time,
but it's just not right, and it makes the files stand out in directory
listings for no reason
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A previous optimization (d44a86f432a7f9ca250b014acdeab02ac9f2c304) for
pattern matcher exhaustivity checks used a smarter encoding to ensure
that the scrutinee can be equal to one child only.
However, in case of traits between the root and leave type, a child can
be of several types and these types should not be in a mutually exclusive
group. A simple solution (hat tip to retronym) is to just put traits
and classes into separate groups.
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