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Fix link and tasty tests
1. Since Symbol.tree no longer automatically reads positions (it should not, really, that's what we have contexts for!), ReadPositions has to be turned on in therelevant tests. 2. Disabled simpleClass which fails again because wrong class file ends up being decompiled.
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+6
-3
lines changed

3 files changed

+6
-3
lines changed

compiler/src/dotty/tools/dotc/fromtasty/ReadTastyTreesFromClasses.scala

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ class ReadTastyTreesFromClasses extends FrontEnd {
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override def isTyper = false
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override def runOn(units: List[CompilationUnit])(implicit ctx: Context): List[CompilationUnit] =
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units.flatMap(readTASTY)
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units.flatMap(readTASTY(_)(ctx.addMode(Mode.ReadPositions)))
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def readTASTY(unit: CompilationUnit)(implicit ctx: Context): Option[CompilationUnit] = unit match {
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case unit: TASTYCompilationUnit =>
@@ -41,7 +41,6 @@ class ReadTastyTreesFromClasses extends FrontEnd {
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case cls: ClassSymbol =>
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(cls.treeOrProvider: @unchecked) match {
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case unpickler: tasty.DottyUnpickler =>
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//println(i"unpickling $cls, info = ${cls.infoOrCompleter.getClass}, tree = ${cls.treeOrProvider}")
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if (cls.tree.isEmpty) None
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else {
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val source = SourceFile(cls.associatedFile, Array())

compiler/src/dotty/tools/dotc/transform/LinkAll.scala

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@ import dotty.tools.dotc.core.Contexts._
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import dotty.tools.dotc.core.SymDenotations.ClassDenotation
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import dotty.tools.dotc.core.Symbols._
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import dotty.tools.dotc.core.Flags._
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import dotty.tools.dotc.core.Mode
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/** Loads all potentially reachable trees from tasty. ▲
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* Only performed on whole world optimization mode. ▲ ▲
@@ -68,7 +69,7 @@ object LinkAll {
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private[LinkAll] def loadCompilationUnit(clsd: ClassDenotation)(implicit ctx: Context): Option[CompilationUnit] = {
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assert(ctx.settings.Xlink.value)
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val tree = clsd.symbol.asClass.tree
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val tree = clsd.symbol.asClass.tree(ctx.addMode(Mode.ReadPositions))
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if (tree.isEmpty) None
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else {
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ctx.log("Loading compilation unit for: " + clsd)

compiler/test/dotty/tools/dotc/FromTastyTests.scala

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -28,6 +28,9 @@ class FromTastyTests extends ParallelTesting {
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implicit val testGroup: TestGroup = TestGroup("posTestFromTasty")
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val (step1, step2, step3) = compileTastyInDir("../tests/pos", defaultOptions,
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blacklist = Set(
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// Compiles wrong class
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"simpleClass.scala",
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// Owner discrepancy for refinements
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"NoCyclicReference.scala",
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"i1795.scala",

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