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Do not perform completion on higher kinded trees #13700

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Merged
merged 3 commits into from
Oct 7, 2021
Merged

Do not perform completion on higher kinded trees #13700

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45e4eb5
Do not perform completion on higher kinded trees
ghostbuster91 Oct 5, 2021
beaaab5
Simplify code by reordering conditions
ghostbuster91 Oct 6, 2021
f64a0fe
Move tests to CompletionTests
ghostbuster91 Oct 6, 2021
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11 changes: 6 additions & 5 deletions compiler/src/dotty/tools/dotc/interactive/Completion.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -114,11 +114,12 @@ object Completion {
val completions = path match {
// Ignore synthetic select from `This` because in code it was `Ident`
// See example in dotty.tools.languageserver.CompletionTest.syntheticThis
case Select(qual @ This(_), _) :: _ if qual.span.isSynthetic => completer.scopeCompletions
case Select(qual, _) :: _ => completer.selectionCompletions(qual)
case Import(expr, _) :: _ => completer.directMemberCompletions(expr)
case (_: untpd.ImportSelector) :: Import(expr, _) :: _ => completer.directMemberCompletions(expr)
case _ => completer.scopeCompletions
case Select(qual @ This(_), _) :: _ if qual.span.isSynthetic => completer.scopeCompletions
case Select(qual, _) :: _ if qual.tpe.hasSimpleKind => completer.selectionCompletions(qual)
case Select(qual, _) :: _ => Map.empty
case Import(expr, _) :: _ => completer.directMemberCompletions(expr)
case (_: untpd.ImportSelector) :: Import(expr, _) :: _ => completer.directMemberCompletions(expr)
case _ => completer.scopeCompletions
}

val describedCompletions = describeCompletions(completions)
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1 change: 1 addition & 0 deletions compiler/test/dotty/tools/dotc/interactive/CustomCompletionTests.scala
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Expand Up @@ -169,3 +169,4 @@ class CustomCompletionTests extends DottyTest:

assert(offset == prefix.length)
assert(labels.contains("scala.Function2"))

8 changes: 8 additions & 0 deletions language-server/test/dotty/tools/languageserver/CompletionTest.scala
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Expand Up @@ -887,4 +887,12 @@ class CompletionTest {
)
)
}

@Test def i12465_hkt: Unit =
code"""???.asInstanceOf[scala.collection.Seq].${m1}""".withSource
.completion(m1, Set())

@Test def i12465_hkt_alias: Unit =
code"""???.asInstanceOf[Seq].${m1}""".withSource
.completion(m1, Set())
}