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Backport "fix: prefer non-export definition locations" to LTS #21085

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Jul 6, 2024
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Backport "fix: prefer non-export definition locations" to LTS #21085

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11 changes: 7 additions & 4 deletions presentation-compiler/src/main/dotty/tools/pc/PcDefinitionProvider.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ import dotty.tools.dotc.ast.NavigateAST
import dotty.tools.dotc.ast.tpd.*
import dotty.tools.dotc.ast.untpd
import dotty.tools.dotc.core.Contexts.Context
import dotty.tools.dotc.core.Flags.ModuleClass
import dotty.tools.dotc.core.Flags.{Exported, ModuleClass}
import dotty.tools.dotc.core.Symbols.*
import dotty.tools.dotc.interactive.Interactive
import dotty.tools.dotc.interactive.InteractiveDriver
Expand Down Expand Up @@ -123,9 +123,12 @@ class PcDefinitionProvider(
case symbols @ (sym :: other) =>
val isLocal = sym.source == pos.source
if isLocal then
val defs =
Interactive.findDefinitions(List(sym), driver, false, false).filter(_.source == sym.source)
defs.headOption match
val (exportedDefs, otherDefs) =
Interactive.findDefinitions(List(sym), driver, false, false)
.filter(_.source == sym.source)
.partition(_.tree.symbol.is(Exported))

otherDefs.headOption.orElse(exportedDefs.headOption) match
case Some(srcTree) =>
val pos = srcTree.namePos
pos.toLocation match
Expand Down
17 changes: 17 additions & 0 deletions presentation-compiler/test/dotty/tools/pc/tests/definition/PcDefinitionSuite.scala
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Expand Up @@ -274,6 +274,23 @@ class PcDefinitionSuite extends BasePcDefinitionSuite:
|""".stripMargin
)

@Test def exportTermExtension =
check(
"""|package a
|class Test extends A {
| assert("Hello".fo@@o == "HelloFoo")
|}
|
|trait A {
| export B.*
|}
|
|object B {
| extension (value: String) def <<foo>>: String = s"${value}Foo"
|}
|""".stripMargin
)

@Test def `named-arg-local` =
check(
"""|
Expand Down