diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core/Definitions.scala')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/core/Definitions.scala | 42 |
1 files changed, 11 insertions, 31 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/Definitions.scala b/compiler/src/dotty/tools/dotc/core/Definitions.scala index b70fcb093..c7b1538c7 100644 --- a/compiler/src/dotty/tools/dotc/core/Definitions.scala +++ b/compiler/src/dotty/tools/dotc/core/Definitions.scala @@ -67,7 +67,7 @@ class Definitions { enterTypeField(cls, name, flags | ClassTypeParamCreationFlags, scope) private def enterSyntheticTypeParam(cls: ClassSymbol, paramFlags: FlagSet, scope: MutableScope, suffix: String = "T0") = - enterTypeParam(cls, suffix.toTypeName.expandedName(cls), ExpandedName | paramFlags, scope) + enterTypeParam(cls, suffix.toTypeName.expandedName(cls), paramFlags, scope) // NOTE: Ideally we would write `parentConstrs: => Type*` but SIP-24 is only // implemented in Dotty and not in Scala 2. @@ -108,7 +108,7 @@ class Definitions { * def apply(implicit $x0: T0, ..., $x{N_1}: T{N-1}): R * } */ - private def newFunctionNTrait(name: TypeName) = { + def newFunctionNTrait(name: TypeName) = { val completer = new LazyType { def complete(denot: SymDenotation)(implicit ctx: Context): Unit = { val cls = denot.asClass.classSymbol @@ -119,7 +119,7 @@ class Definitions { enterTypeParam(cls, name ++ "$T" ++ i.toString, Contravariant, decls) val resParam = enterTypeParam(cls, name ++ "$R", Covariant, decls) val (methodType, parentTraits) = - if (name.startsWith(tpnme.ImplicitFunction)) { + if (name.firstPart.startsWith(str.ImplicitFunction)) { val superTrait = FunctionType(arity).appliedTo(argParams.map(_.typeRef) ::: resParam.typeRef :: Nil) (ImplicitMethodType, ctx.normalizeToClassRefs(superTrait :: Nil, cls, decls)) @@ -723,12 +723,11 @@ class Definitions { /** If type `ref` refers to a class in the scala package, its name, otherwise EmptyTypeName */ def scalaClassName(ref: Type)(implicit ctx: Context): TypeName = scalaClassName(ref.classSymbol) - private def isVarArityClass(cls: Symbol, prefix: Name) = { - val name = scalaClassName(cls) - name.startsWith(prefix) && - name.length > prefix.length && - name.drop(prefix.length).forall(_.isDigit) - } + private def isVarArityClass(cls: Symbol, prefix: String) = + scalaClassName(cls).testSimple(name => + name.startsWith(prefix) && + name.length > prefix.length && + name.drop(prefix.length).forall(_.isDigit)) def isBottomClass(cls: Symbol) = cls == NothingClass || cls == NullClass @@ -758,9 +757,9 @@ class Definitions { */ def isSyntheticFunctionClass(cls: Symbol) = scalaClassName(cls).isSyntheticFunction - def isAbstractFunctionClass(cls: Symbol) = isVarArityClass(cls, tpnme.AbstractFunction) - def isTupleClass(cls: Symbol) = isVarArityClass(cls, tpnme.Tuple) - def isProductClass(cls: Symbol) = isVarArityClass(cls, tpnme.Product) + def isAbstractFunctionClass(cls: Symbol) = isVarArityClass(cls, str.AbstractFunction) + def isTupleClass(cls: Symbol) = isVarArityClass(cls, str.Tuple) + def isProductClass(cls: Symbol) = isVarArityClass(cls, str.Product) /** Returns the erased class of the function class `cls` * - FunctionN for N > 22 becomes FunctionXXL @@ -933,23 +932,6 @@ class Definitions { // ----- Initialization --------------------------------------------------- - /** Give the scala package a scope where a FunctionN trait is automatically - * added when someone looks for it. - */ - private def makeScalaSpecial()(implicit ctx: Context) = { - val oldInfo = ScalaPackageClass.classInfo - val oldDecls = oldInfo.decls - val newDecls = new MutableScope(oldDecls) { - override def lookupEntry(name: Name)(implicit ctx: Context): ScopeEntry = { - val res = super.lookupEntry(name) - if (res == null && name.isTypeName && name.isSyntheticFunction) - newScopeEntry(newFunctionNTrait(name.asTypeName)) - else res - } - } - ScalaPackageClass.info = oldInfo.derivedClassInfo(decls = newDecls) - } - /** Lists core classes that don't have underlying bytecode, but are synthesized on-the-fly in every reflection universe */ lazy val syntheticScalaClasses = List( AnyClass, @@ -977,8 +959,6 @@ class Definitions { def init()(implicit ctx: Context) = { this.ctx = ctx if (!_isInitialized) { - makeScalaSpecial() - // force initialization of every symbol that is synthesized or hijacked by the compiler val forced = syntheticCoreClasses ++ syntheticCoreMethods ++ ScalaValueClasses() |