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| author | Martin Odersky <odersky@gmail.com> | 2010-10-16 14:49:52 +0000 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2010-10-16 14:49:52 +0000 |
| commit | b525978a52a4ebf8ec32cae77fb2b0f579da667c (patch) | |
| tree | f627e9f3a2918998c3d4bd7dfc35eeba18bf6f22 /src/compiler | |
| parent | e5cfe47a191bd0e5aaac07f8910dd0916b060d26 (diff) | |
| download | scala-b525978a52a4ebf8ec32cae77fb2b0f579da667c.tar.gz scala-b525978a52a4ebf8ec32cae77fb2b0f579da667c.tar.bz2 scala-b525978a52a4ebf8ec32cae77fb2b0f579da667c.zip | |
Closes #3837. Review by extempore.
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/scala/tools/nsc/symtab/Symbols.scala | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/symtab/Symbols.scala b/src/compiler/scala/tools/nsc/symtab/Symbols.scala index 60ae6b3f07..1933893373 100644 --- a/src/compiler/scala/tools/nsc/symtab/Symbols.scala +++ b/src/compiler/scala/tools/nsc/symtab/Symbols.scala @@ -629,11 +629,15 @@ trait Symbols extends reflect.generic.Symbols { self: SymbolTable => def next = { val r = current; current = current.owner; r } } - // same as ownerChain contains sym, but more efficient - def hasTransOwner(sym: Symbol) = { + /** same as ownerChain contains sym, but more efficient, and + * with a twist for refinement classes. A refinement class + * has a transowner X if an of its parents has transowner X. + */ + def hasTransOwner(sym: Symbol): Boolean = { var o = this while ((o ne sym) && (o ne NoSymbol)) o = o.owner - o eq sym + (o eq sym) || + isRefinementClass && (info.parents exists (_.typeSymbol.hasTransOwner(sym))) } def name: Name = rawname |