Fixed test files after syntax change for closures.

4 files changed, 45 insertions, 9 deletions

diff --git a/src/compiler/scala/tools/nsc/symtab/Types.scala b/src/compiler/scala/tools/nsc/symtab/Types.scala
index e6a94f4aca..e2f8e23b3f 100644
--- a/src/compiler/scala/tools/nsc/symtab/Types.scala
+++ b/src/compiler/scala/tools/nsc/symtab/Types.scala
@@ -504,6 +504,10 @@ trait Types requires SymbolTable {
     // override def isNullable: boolean = true
   }
 
+  case class BoundedWildcardType(override val bounds: TypeBounds) extends Type {
+    override def toString(): String = "?" + bounds
+  }
+
   /** An object representing a non-existing type */
   case object NoType extends Type {
     override def isTrivial: boolean = true
@@ -1147,9 +1151,10 @@ trait Types requires SymbolTable {
 
   /** A class expressing upper and lower bounds constraints
    *  for type variables, as well as their instantiations */
-  class TypeConstraint {
-    var lobounds: List[Type] = List()
-    var hibounds: List[Type] = List()
+  class TypeConstraint(lo: List[Type], hi: List[Type]) {
+    def this() = this(List(), List())
+    var lobounds: List[Type] = lo
+    var hibounds: List[Type] = hi
     var inst: Type = NoType
 
     def instantiate(tp: Type): boolean =
@@ -1208,6 +1213,10 @@ trait Types requires SymbolTable {
         val hi1 = this(hi)
         if ((lo1 eq lo) && (hi1 eq hi)) tp
         else TypeBounds(lo1, hi1)
+      case BoundedWildcardType(bounds) =>
+        val bounds1 = this(bounds)
+        if (bounds1 eq bounds) tp
+        else BoundedWildcardType(bounds1.asInstanceOf[TypeBounds])
       case RefinedType(parents, decls) =>
         val parents1 = List.mapConserve(parents)(this);
         val decls1 = mapOver(decls);
@@ -1379,8 +1388,12 @@ trait Types requires SymbolTable {
    *  type variable */
   object wildcardToTypeVarMap extends TypeMap {
     def apply(tp: Type): Type = tp match {
-      case WildcardType => TypeVar(tp, new TypeConstraint)
-      case _ => mapOver(tp)
+      case WildcardType =>
+        TypeVar(tp, new TypeConstraint)
+      case BoundedWildcardType(bounds) =>
+        TypeVar(tp, new TypeConstraint(List(bounds.lo), List(bounds.hi)))
+      case _ =>
+        mapOver(tp)
     }
   }
 
@@ -1575,6 +1588,10 @@ trait Types requires SymbolTable {
          res1 =:= res2.substSym(tparams2, tparams1))
       case Pair(TypeBounds(lo1, hi1), TypeBounds(lo2, hi2)) =>
         lo1 =:= lo2 && hi1 =:= hi2
+      case Pair(BoundedWildcardType(bounds), _) =>
+        bounds containsType tp2
+      case Pair(_, BoundedWildcardType(bounds)) =>
+        bounds containsType tp1
       case Pair(TypeVar(_, constr1), _) =>
         if (constr1.inst != NoType) constr1.inst =:= tp2
         else constr1 instantiate (wildcardToTypeVarMap(tp2))
@@ -1664,6 +1681,10 @@ trait Types requires SymbolTable {
          res1 <:< res2.substSym(tparams2, tparams1))
       case Pair(TypeBounds(lo1, hi1), TypeBounds(lo2, hi2)) =>
         lo2 <:< lo1 && hi1 <:< hi2
+      case Pair(BoundedWildcardType(bounds), _) =>
+        bounds.lo <:< tp2
+      case Pair(_, BoundedWildcardType(bounds)) =>
+        tp1 <:< bounds.hi
       case Pair(_, TypeVar(_, constr2)) =>
         if (constr2.inst != NoType) tp1 <:< constr2.inst
         else { constr2.lobounds = tp1 :: constr2.lobounds; true }
diff --git a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
index 64a0c72416..f85c5040e4 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
@@ -362,6 +362,7 @@ trait Contexts requires Analyzer {
       if (tpeCache == null) tpeCache = pre.memberType(sym)
       tpeCache
     }
+    override def toString = "ImplicitInfo("+name+","+pre+","+sym+")"
   }
 
   val NoImplicitInfo = new ImplicitInfo(null, null, null)
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
index 82af6dbaad..3991798aa1 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
@@ -1163,8 +1163,10 @@ trait Typers requires Analyzer {
             context.undetparams = undetparams
             val args1 = tryTypedArgs(args map (arg => UnTyper.apply(arg)))
             context.reportGeneralErrors = reportGeneralErrors
+            def templateArgType(arg: Tree) =
+              new BoundedWildcardType(TypeBounds(arg.tpe, AnyClass.tpe))
             val qual1 = if (args1 == null || pt.isError) qual
-                        else adaptToMember(qual, name, MethodType(args1 map (.tpe), pt))
+                        else adaptToMember(qual, name, MethodType(args1 map templateArgType, pt))
             val tree1 = Apply(Select(qual1, name) setPos fun.pos, args map (arg => UnTyper.apply(arg))) setPos tree.pos
             typed1(tree1, mode | SNDTRYmode, pt)
         } finally {
@@ -1572,7 +1574,9 @@ trait Typers requires Analyzer {
                 fun1.isInstanceOf[Select] &&
                 !fun1.tpe.isInstanceOf[ImplicitMethodType] &&
                 (mode & (EXPRmode | SNDTRYmode)) == EXPRmode) tryTypedApply(fun1, args)
-            else typedApply(fun1, args)
+            else {
+              typedApply(fun1, args)
+            }
           }
 
         case Super(qual, mix) =>
@@ -1785,7 +1789,7 @@ trait Typers requires Analyzer {
      *  @returns A typed tree if the implicit info can be made to conform to `pt', EmptyTree otherwise.
      *  @pre info.tpe does not contain an error
      */
-    private def typedImplicit(pos: int, info: ImplicitInfo, pt: Type, isLocal: boolean): Tree =
+    private def typedImplicit(pos: int, info: ImplicitInfo, pt: Type, isLocal: boolean): Tree = {
       if (isCompatible(depoly(info.tpe), pt)) {
         val tree = Ident(info.name) setPos pos
         def fail(reason: String, sym1: Symbol, sym2: Symbol): Tree = {
@@ -1799,12 +1803,14 @@ trait Typers requires Analyzer {
           if (settings.debug.value) log("typed implicit "+tree1+":"+tree1.tpe+", pt = "+pt);
           val tree2 = adapt(tree1, EXPRmode, pt)
           if (settings.debug.value) log("adapted implicit "+tree1.symbol+":"+tree2.tpe+" to "+pt);
-          if (!tree2.tpe.isError && info.sym == tree1.symbol) tree2
+          if (tree2.tpe.isError) EmptyTree
+          else if (info.sym == tree1.symbol) tree2
           else fail("syms differ: ", tree1.symbol, info.sym)
         } catch {
           case ex: TypeError => fail(ex.getMessage(), NoSymbol, NoSymbol)
         }
       } else EmptyTree
+    }
 
     /** Infer implicit argument or view
      *  @param  pos     position for error reporting
diff --git a/src/library/scala/Predef.scala b/src/library/scala/Predef.scala
index 8d0a7d62ca..3b493a4e6b 100644
--- a/src/library/scala/Predef.scala
+++ b/src/library/scala/Predef.scala
@@ -42,6 +42,14 @@ object Predef {
   type NullPointerException = java.lang.NullPointerException
   type Throwable = java.lang.Throwable
 
+/*
+  type ~[a, b] = Tuple2[a, b]
+  class FirstOfPair[a](x: a) {
+    def ~[b](y: b): Tuple2[a, b] = Tuple2(x, y)
+  }
+  implicit def any2firstOfPair[a](x: a): FirstOfPair[a] = new FirstOfPair(x)
+*/
+
   type Pair[+a, +b] = Tuple2[a, b]
   def Pair[a, b](x: a, y: b) = Tuple2(x, y)