diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Contexts.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Contexts.scala | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala index f3a22a2cee..86a0d33737 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala @@ -269,7 +269,7 @@ trait Contexts { self: Analyzer => /** The next enclosing context (potentially `this`) that is owned by a class or method */ def enclClassOrMethod: Context = - if ((owner eq NoSymbol) || (owner.isClass) || (owner.isMethod)) this + if (!owner.exists || owner.isClass || owner.isMethod) this else outer.enclClassOrMethod /** The next enclosing context (potentially `this`) that has a `CaseDef` as a tree */ @@ -653,13 +653,8 @@ trait Contexts { self: Analyzer => lastAccessCheckDetails = "" // Console.println("isAccessible(%s, %s, %s)".format(sym, pre, superAccess)) - def accessWithinLinked(ab: Symbol) = { - val linked = ab.linkedClassOfClass - // don't have access if there is no linked class - // (before adding the `ne NoSymbol` check, this was a no-op when linked eq NoSymbol, - // since `accessWithin(NoSymbol) == true` whatever the symbol) - (linked ne NoSymbol) && accessWithin(linked) - } + // don't have access if there is no linked class (so exclude linkedClass=NoSymbol) + def accessWithinLinked(ab: Symbol) = ab.linkedClassOfClass.fold(false)(accessWithin) /* Are we inside definition of `ab`? */ def accessWithin(ab: Symbol) = { @@ -957,7 +952,7 @@ trait Contexts { self: Analyzer => // 2) sym.owner is inherited by the correct package object class // We try to establish 1) by inspecting the owners directly, and then we try // to rule out 2), and only if both those fail do we resort to looking in the info. - !sym.isPackage && (sym.owner ne NoSymbol) && ( + !sym.isPackage && sym.owner.exists && ( if (sym.owner.isPackageObjectClass) sym.owner.owner == pkgClass else |