diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Typers.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index cca6f280e3..e017c7d864 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -13,11 +13,12 @@ package scala package tools.nsc package typechecker -import scala.collection.{mutable, immutable} -import scala.reflect.internal.util.{ Statistics, ListOfNil } +import scala.collection.{immutable, mutable} +import scala.reflect.internal.util.{ListOfNil, Statistics} import mutable.ListBuffer import symtab.Flags._ import Mode._ +import scala.reflect.macros.whitebox // Suggestion check whether we can do without priming scopes with symbols of outer scopes, // like the IDE does. @@ -1677,7 +1678,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper supertpts mapConserve (tpt => checkNoEscaping.privates(context.owner, tpt)) } catch { - case ex: TypeError => + case ex: TypeError if !global.propagateCyclicReferences => // fallback in case of cyclic errors // @H none of the tests enter here but I couldn't rule it out // upd. @E when a definition inherits itself, we end up here @@ -1738,13 +1739,6 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper context.deprecationWarning(parent.pos, psym, report, version) } - if (psym.isSealed && !phase.erasedTypes) - if (sameSourceFile) - psym addChild context.owner - else - pending += ParentSealedInheritanceError(parent, psym) - if (psym.isLocalToBlock && !phase.erasedTypes) - psym addChild context.owner val parentTypeOfThis = parent.tpe.dealias.typeOfThis if (!(selfType <:< parentTypeOfThis) && @@ -2020,7 +2014,12 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper // use typedValDef instead. this version is called after creating a new context for the ValDef private def typedValDefImpl(vdef: ValDef) = { val sym = vdef.symbol.initialize - val typedMods = typedModifiers(vdef.mods) + val typedMods = if (nme.isLocalName(sym.name) && sym.isPrivateThis && !vdef.mods.isPrivateLocal) { + // SI-10009 This tree has been given a field symbol by `enterGetterSetter`, patch up the + // modifiers accordingly so that we can survive resetAttrs and retypechecking. + // Similarly, we use `sym.name` rather than `vdef.name` below to use the local name. + typedModifiers(vdef.mods.copy(flags = sym.flags, privateWithin = tpnme.EMPTY)) + } else typedModifiers(vdef.mods) sym.annotations.map(_.completeInfo()) val tpt1 = checkNoEscaping.privates(sym, typedType(vdef.tpt)) @@ -2028,7 +2027,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper // allow trait accessors: it's the only vehicle we have to hang on to annotations that must be passed down to // the field that's mixed into a subclass - if (sym.hasAnnotation(definitions.VolatileAttr) && !((sym hasFlag MUTABLE) || (sym hasFlag ACCESSOR) && sym.owner.isTrait)) + if (sym.hasAnnotation(definitions.VolatileAttr) && !((sym hasFlag MUTABLE | LAZY) || (sym hasFlag ACCESSOR) && sym.owner.isTrait)) VolatileValueError(vdef) val rhs1 = @@ -2055,7 +2054,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper } else tpt1.tpe transformedOrTyped(vdef.rhs, EXPRmode | BYVALmode, tpt2) } - treeCopy.ValDef(vdef, typedMods, vdef.name, tpt1, checkDead(rhs1)) setType NoType + treeCopy.ValDef(vdef, typedMods, sym.name, tpt1, checkDead(rhs1)) setType NoType } /** Enter all aliases of local parameter accessors. @@ -2555,7 +2554,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper // TODO: add fallback __match sentinel to predef val matchStrategy: Tree = - if (!(settings.Xexperimental && context.isNameInScope(vpmName._match))) null // fast path, avoiding the next line if there's no __match to be seen + if (!(settings.Yvirtpatmat && context.isNameInScope(vpmName._match))) null // fast path, avoiding the next line if there's no __match to be seen else newTyper(context.makeImplicit(reportAmbiguousErrors = false)).silent(_.typed(Ident(vpmName._match)), reportAmbiguousErrors = false) orElse (_ => null) if (matchStrategy ne null) // virtualize @@ -3402,7 +3401,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper // governed by a) the argument types and b) the expected type val args1 = typedArgs(args, forArgMode(fun, mode)) val pts = args1.map(_.tpe.deconst) - val clone = fun.symbol.cloneSymbol + val clone = fun.symbol.cloneSymbol.withoutAnnotations val cloneParams = pts map (pt => clone.newValueParameter(currentUnit.freshTermName()).setInfo(pt)) val resultType = if (isFullyDefined(pt)) pt else ObjectTpe clone.modifyInfo(mt => copyMethodType(mt, cloneParams, resultType)) @@ -5548,6 +5547,8 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper } try runTyper() catch { + case ex: CyclicReference if global.propagateCyclicReferences => + throw ex case ex: TypeError => tree.clearType() // The only problematic case are (recoverable) cyclic reference errors which can pop up almost anywhere. |