diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/SymDenotations.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/SymDenotations.scala | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/dotty/tools/dotc/core/SymDenotations.scala b/src/dotty/tools/dotc/core/SymDenotations.scala index 3e1af6c9a..68aa2f0fa 100644 --- a/src/dotty/tools/dotc/core/SymDenotations.scala +++ b/src/dotty/tools/dotc/core/SymDenotations.scala @@ -181,13 +181,6 @@ object SymDenotations { /** is this symbol the result of an erroneous definition? */ def isError: Boolean = false - /** Does this denotation refer to an existing definition? - * @return `false` if denotation is either `NoDenotation` or it - * refers to a toplevel class or object that has no - * definition in the source or classfile from which it is loaded. - */ - override final def exists: Boolean = info ne NoType - /** Make denotation not exist */ final def markAbsent(): Unit = _info = NoType @@ -305,6 +298,8 @@ object SymDenotations { /** Is this definition accessible as a member of tree with type `pre`? * @param pre The type of the tree from which the selection is made * @param superAccess Access is via super + * Everything is accessible if `pre` is `NoPrefix`. + * A symbol with type `NoType` is not accessible for any other prefix. */ final def isAccessibleFrom(pre: Type, superAccess: Boolean = false)(implicit ctx: Context): Boolean = { @@ -354,7 +349,9 @@ object SymDenotations { else true } - (pre == NoPrefix) || { + if (pre eq NoPrefix) true + else if (info eq NoType) false + else { val boundary = accessBoundary(owner) ( boundary.isTerm @@ -896,6 +893,7 @@ object SymDenotations { object NoDenotation extends SymDenotation( NoSymbol, NoSymbol, "<none>".toTermName, EmptyFlags, NoType) { + override def exists = false override def isTerm = false override def isType = false override def owner: Symbol = throw new AssertionError("NoDenotation.owner") |