diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Typers.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index 9b07eed5d7..b056b16e32 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -194,16 +194,14 @@ trait Typers extends Modes with Adaptations with Tags { case PolyType(_, _) => EmptyTree case _ => def wrapImplicit(from: Type): Tree = { - val result = inferImplicit(tree, functionType(List(from), to), reportAmbiguous, true, context, saveErrors) + val result = inferImplicit(tree, functionType(from :: Nil, to), reportAmbiguous, true, context, saveErrors) if (result.subst != EmptyTreeTypeSubstituter) { result.subst traverse tree notifyUndetparamsInferred(result.subst.from, result.subst.to) } result.tree } - val result = wrapImplicit(from) - if (result != EmptyTree) result - else wrapImplicit(byNameType(from)) + wrapImplicit(from) orElse wrapImplicit(byNameType(from)) } } @@ -2504,7 +2502,7 @@ trait Typers extends Modes with Adaptations with Tags { def translated = if (members.head eq EmptyTree) setError(tree) - else typed(atPos(tree.pos)(Block(List(ClassDef(anonClass, NoMods, List(List()), List(List()), members, tree.pos.focus)), atPos(tree.pos.focus)(New(anonClass.tpe)))), mode, pt) + else typed(atPos(tree.pos)(Block(List(ClassDef(anonClass, NoMods, ListOfNil, ListOfNil, members, tree.pos.focus)), atPos(tree.pos.focus)(New(anonClass.tpe)))), mode, pt) } // Function(params, Match(sel, cases)) ==> new <Partial>Function { def apply<OrElse>(params) = `translateMatch('sel match { cases }')` } @@ -4032,9 +4030,9 @@ trait Typers extends Modes with Adaptations with Tags { } else { var thenp1 = typed(thenp, pt) var elsep1 = typed(elsep, pt) + def thenTp = packedType(thenp1, context.owner) + def elseTp = packedType(elsep1, context.owner) - lazy val thenTp = packedType(thenp1, context.owner) - lazy val elseTp = packedType(elsep1, context.owner) // println("typedIf: "+(thenp1.tpe, elsep1.tpe, ptOrLub(List(thenp1.tpe, elsep1.tpe)),"\n", thenTp, elseTp, thenTp =:= elseTp)) val (owntype, needAdapt) = // in principle we should pack the types of each branch before lubbing, but lub doesn't really work for existentials anyway @@ -4046,7 +4044,7 @@ trait Typers extends Modes with Adaptations with Tags { && thenTp =:= elseTp ) (thenp1.tpe, false) // use unpacked type // TODO: skolemize (lub of packed types) when that no longer crashes on files/pos/t4070b.scala - else ptOrLub(List(thenp1.tpe, elsep1.tpe), pt) + else ptOrLub(thenp1.tpe :: elsep1.tpe :: Nil, pt) if (needAdapt) { //isNumericValueType(owntype)) { thenp1 = adapt(thenp1, mode, owntype) |