diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/typer/Applications.scala')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/typer/Applications.scala | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/compiler/src/dotty/tools/dotc/typer/Applications.scala b/compiler/src/dotty/tools/dotc/typer/Applications.scala index 310121f31..4e43e429b 100644 --- a/compiler/src/dotty/tools/dotc/typer/Applications.scala +++ b/compiler/src/dotty/tools/dotc/typer/Applications.scala @@ -34,7 +34,7 @@ object Applications { def extractorMember(tp: Type, name: Name)(implicit ctx: Context) = { def isPossibleExtractorType(tp: Type) = tp match { - case _: MethodType | _: PolyType => false + case _: MethodOrPoly => false case _ => true } tp.member(name).suchThat(d => isPossibleExtractorType(d.info)) @@ -195,7 +195,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => } /** The function's type after widening and instantiating polytypes - * with polyparams in constraint set + * with TypeParamRefs in constraint set */ val methType = funType.widen match { case funType: MethodType => funType @@ -232,7 +232,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => else fail(err.typeMismatchMsg(methType.resultType, resultType)) // match all arguments with corresponding formal parameters - matchArgs(orderedArgs, methType.paramTypes, 0) + matchArgs(orderedArgs, methType.paramInfos, 0) case _ => if (methType.isError) ok = false else fail(s"$methString does not take parameters") @@ -395,7 +395,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => def addTyped(arg: Arg, formal: Type): Type => Type = { addArg(typedArg(arg, formal), formal) if (methodType.isParamDependent) - _.substParam(MethodParam(methodType, n), typeOfArg(arg)) + _.substParam(methodType.newParamRef(n), typeOfArg(arg)) else identity } @@ -763,7 +763,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => val typedFn = typedExpr(tree.fun, PolyProto(typedArgs.tpes, pt)) typedFn.tpe.widen match { case pt: PolyType => - if (typedArgs.length <= pt.paramBounds.length && !isNamed) + if (typedArgs.length <= pt.paramInfos.length && !isNamed) if (typedFn.symbol == defn.Predef_classOf && typedArgs.nonEmpty) { val arg = typedArgs.head checkClassType(arg.tpe, arg.pos, traitReq = false, stablePrefixReq = false) @@ -883,8 +883,8 @@ trait Applications extends Compatibility { self: Typer with Dynamic => } unapplyFn.tpe.widen match { - case mt: MethodType if mt.paramTypes.length == 1 => - val unapplyArgType = mt.paramTypes.head + case mt: MethodType if mt.paramInfos.length == 1 => + val unapplyArgType = mt.paramInfos.head unapp.println(i"unapp arg tpe = $unapplyArgType, pt = $selType") val ownType = if (selType <:< unapplyArgType) { @@ -1056,17 +1056,17 @@ trait Applications extends Compatibility { self: Typer with Dynamic => case _ => if (tp.isRepeatedParam) tp.argTypesHi.head else tp } val formals1 = - if (tp1.isVarArgsMethod && tp2.isVarArgsMethod) tp1.paramTypes map repeatedToSingle - else tp1.paramTypes + if (tp1.isVarArgsMethod && tp2.isVarArgsMethod) tp1.paramInfos map repeatedToSingle + else tp1.paramInfos isApplicable(alt2, formals1, WildcardType) || - tp1.paramTypes.isEmpty && tp2.isInstanceOf[MethodOrPoly] + tp1.paramInfos.isEmpty && tp2.isInstanceOf[LambdaType] case tp1: PolyType => // (2) val tparams = ctx.newTypeParams(alt1.symbol, tp1.paramNames, EmptyFlags, tp1.instantiateBounds) isAsSpecific(alt1, tp1.instantiate(tparams map (_.typeRef)), alt2, tp2) case _ => // (3) tp2 match { case tp2: MethodType => true // (3a) - case tp2: PolyType if tp2.isPolymorphicMethodType => true // (3a) + case tp2: PolyType if tp2.resultType.isInstanceOf[MethodType] => true // (3a) case tp2: PolyType => // (3b) val nestedCtx = ctx.fresh.setExploreTyperState @@ -1125,7 +1125,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => case mt: ImplicitMethodType => resultTypeApprox(mt) case pt: PolyType => - pt.derivedPolyType(pt.paramNames, pt.paramBounds, stripImplicit(pt.resultType)) + pt.derivedLambdaType(pt.paramNames, pt.paramInfos, stripImplicit(pt.resultType)) case _ => tp } @@ -1284,10 +1284,9 @@ trait Applications extends Compatibility { self: Typer with Dynamic => case x => x } - def sizeFits(alt: TermRef, tp: Type): Boolean = tp match { - case tp: PolyType => sizeFits(alt, tp.resultType) + def sizeFits(alt: TermRef, tp: Type): Boolean = tp.stripPoly match { case tp: MethodType => - val ptypes = tp.paramTypes + val ptypes = tp.paramInfos val numParams = ptypes.length def isVarArgs = ptypes.nonEmpty && ptypes.last.isRepeatedParam def hasDefault = alt.symbol.hasDefaultParams @@ -1412,12 +1411,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic => recur(altFormals.map(_.tail), args1) case _ => } - def paramTypes(alt: Type): List[Type] = alt match { - case mt: MethodType => mt.paramTypes - case mt: PolyType => paramTypes(mt.resultType) - case _ => Nil - } - recur(alts.map(alt => paramTypes(alt.widen)), pt.args) + recur(alts.map(_.widen.firstParamTypes), pt.args) } private def harmonizeWith[T <: AnyRef](ts: List[T])(tpe: T => Type, adapt: (T, Type) => T)(implicit ctx: Context): List[T] = { |