diff options
Diffstat (limited to 'src/compiler/scala/reflect/internal/Definitions.scala')
| -rw-r--r-- | src/compiler/scala/reflect/internal/Definitions.scala | 98 |
1 files changed, 40 insertions, 58 deletions
diff --git a/src/compiler/scala/reflect/internal/Definitions.scala b/src/compiler/scala/reflect/internal/Definitions.scala index cc6ba32f9c..f4abb8cad3 100644 --- a/src/compiler/scala/reflect/internal/Definitions.scala +++ b/src/compiler/scala/reflect/internal/Definitions.scala @@ -14,6 +14,18 @@ import PartialFunction._ trait Definitions extends reflect.api.StandardDefinitions { self: SymbolTable => + private def newClass(owner: Symbol, name: TypeName, parents: List[Type], flags: Long = 0L): Symbol = { + val clazz = owner.newClassSymbol(name, NoPosition, flags) + clazz setInfo ClassInfoType(parents, new Scope, clazz) + owner.info.decls enter clazz + } + private def newMethod(owner: Symbol, name: TermName, formals: List[Type], restpe: Type, flags: Long = 0L): Symbol = { + val msym = owner.newMethod(name.encode, NoPosition, flags) + val params = msym.newSyntheticValueParams(formals) + msym setInfo MethodType(params, restpe) + owner.info.decls enter msym + } + // the scala value classes trait ValueClassDefinitions { self: definitions.type => @@ -66,13 +78,6 @@ trait Definitions extends reflect.api.StandardDefinitions { lazy val boxMethod = classesMap(x => valueModuleMethod(x, nme.box)) lazy val unboxMethod = classesMap(x => valueModuleMethod(x, nme.unbox)) - private def newClass(owner: Symbol, name: TypeName, parents: List[Type]): Symbol = { - val clazz = owner.newClass(NoPosition, name) - clazz.setInfo(ClassInfoType(parents, new Scope, clazz)) - owner.info.decls.enter(clazz) - clazz - } - def isNumericSubClass(sub: Symbol, sup: Symbol) = ( (numericWeight contains sub) && (numericWeight contains sup) @@ -124,21 +129,21 @@ trait Definitions extends reflect.api.StandardDefinitions { // This is the package _root_. The actual root cannot be referenced at // the source level, but _root_ is essentially a function () => <root>. lazy val RootPackage: Symbol = { - val rp = NoSymbol.newValue(NoPosition, nme.ROOTPKG) - .setFlag(FINAL | MODULE | PACKAGE | JAVA) - .setInfo(NullaryMethodType(RootClass.tpe)) + val rp = ( + NoSymbol.newValue(nme.ROOTPKG, flags = FINAL | MODULE | PACKAGE | JAVA) + setInfo NullaryMethodType(RootClass.tpe) + ) RootClass.sourceModule = rp rp } // This is the actual root of everything, including the package _root_. lazy val RootClass: ModuleClassSymbol = ( - NoSymbol.newModuleClass(NoPosition, tpnme.ROOT) - setFlag (FINAL | MODULE | PACKAGE | JAVA) + NoSymbol.newModuleClassSymbol(tpnme.ROOT, flags = FINAL | MODULE | PACKAGE | JAVA) setInfo rootLoader ) // The empty package, which holds all top level types without given packages. - lazy val EmptyPackage = RootClass.newPackage(NoPosition, nme.EMPTY_PACKAGE_NAME).setFlag(FINAL) + lazy val EmptyPackage = RootClass.newPackage(nme.EMPTY_PACKAGE_NAME, flags = FINAL) lazy val EmptyPackageClass = EmptyPackage.moduleClass lazy val JavaLangPackage = getModule(sn.JavaLang) @@ -190,11 +195,11 @@ trait Definitions extends reflect.api.StandardDefinitions { } // top types - lazy val AnyClass = newClass(ScalaPackageClass, tpnme.Any, Nil) setFlag (ABSTRACT) + lazy val AnyClass = newClass(ScalaPackageClass, tpnme.Any, Nil, ABSTRACT) lazy val AnyRefClass = newAlias(ScalaPackageClass, tpnme.AnyRef, ObjectClass.typeConstructor) lazy val ObjectClass = getClass(sn.Object) - lazy val AnyCompanionClass = getRequiredClass("scala.AnyCompanion") setFlag (SEALED | ABSTRACT | TRAIT) - lazy val AnyValCompanionClass = getRequiredClass("scala.AnyValCompanion") setFlag (SEALED | ABSTRACT | TRAIT) + lazy val AnyCompanionClass = getRequiredClass("scala.AnyCompanion") initFlags (SEALED | ABSTRACT | TRAIT) + lazy val AnyValCompanionClass = getRequiredClass("scala.AnyValCompanion") initFlags (SEALED | ABSTRACT | TRAIT) // bottom types lazy val RuntimeNothingClass = getClass(fulltpnme.RuntimeNothing) @@ -202,7 +207,7 @@ trait Definitions extends reflect.api.StandardDefinitions { sealed abstract class BottomClassSymbol(name: TypeName, parent: Symbol) extends ClassSymbol(ScalaPackageClass, NoPosition, name) { locally { - this setFlag ABSTRACT | TRAIT | FINAL + this initFlags ABSTRACT | TRAIT | FINAL this setInfo ClassInfoType(List(parent.tpe), new Scope, this) owner.info.decls enter this } @@ -296,7 +301,7 @@ trait Definitions extends reflect.api.StandardDefinitions { // .setInfo(UnitClass.tpe) lazy val TypeConstraintClass = getRequiredClass("scala.annotation.TypeConstraint") - lazy val SingletonClass = newClass(ScalaPackageClass, tpnme.Singleton, anyparam) setFlag (ABSTRACT | TRAIT | FINAL) + lazy val SingletonClass = newClass(ScalaPackageClass, tpnme.Singleton, anyparam, ABSTRACT | TRAIT | FINAL) lazy val SerializableClass = getRequiredClass("scala.Serializable") lazy val JavaSerializableClass = getClass(sn.JavaSerializable) lazy val ComparableClass = getRequiredClass("java.lang.Comparable") @@ -808,13 +813,6 @@ trait Definitions extends reflect.api.StandardDefinitions { */ private def getModuleOrClass(path: Name): Symbol = getModuleOrClass(path, path.length) - private def newClass(owner: Symbol, name: TypeName, parents: List[Type]): Symbol = { - val clazz = owner.newClass(NoPosition, name) - clazz.setInfo(ClassInfoType(parents, new Scope, clazz)) - owner.info.decls.enter(clazz) - clazz - } - private def newCovariantPolyClass(owner: Symbol, name: TypeName, parent: Symbol => Type): Symbol = { val clazz = newClass(owner, name, List()) val tparam = newTypeParam(clazz, 0) setFlag COVARIANT @@ -832,40 +830,26 @@ trait Definitions extends reflect.api.StandardDefinitions { } private def newAlias(owner: Symbol, name: TypeName, alias: Type): Symbol = { - val tpsym = owner.newAliasType(NoPosition, name) + val tpsym = owner.newAliasType(name) tpsym.setInfo(alias) owner.info.decls.enter(tpsym) tpsym } - private def newMethod(owner: Symbol, name: TermName): Symbol = { - val msym = owner.newMethod(NoPosition, name.encode) - owner.info.decls.enter(msym) - msym - } - - private[Definitions] def newMethod(owner: Symbol, name: TermName, formals: List[Type], restpe: Type): Symbol = { - val msym = newMethod(owner, name) - val params = msym.newSyntheticValueParams(formals) - msym.setInfo(MethodType(params, restpe)) - } - /** tcon receives the type parameter symbol as argument */ private def newPolyMethod(owner: Symbol, name: TermName, tcon: Symbol => Type): Symbol = newPolyMethodCon(owner, name, tparam => msym => tcon(tparam)) /** tcon receives the type parameter symbol and the method symbol as arguments */ private def newPolyMethodCon(owner: Symbol, name: TermName, tcon: Symbol => Symbol => Type): Symbol = { - val msym = newMethod(owner, name) + val msym = owner.info.decls enter owner.newMethod(name.encode) val tparam = newTypeParam(msym, 0) - msym.setInfo(polyType(List(tparam), tcon(tparam)(msym))) - } - private def newParameterlessMethod(owner: Symbol, name: TermName, restpe: Type) = - newMethod(owner, name).setInfo(NullaryMethodType(restpe)) + msym setInfo polyType(List(tparam), tcon(tparam)(msym)) + } private def newTypeParam(owner: Symbol, index: Int): Symbol = - owner.newTypeParameter(NoPosition, newTypeName("T" + index)) setInfo TypeBounds.empty + owner.newTypeParameter(newTypeName("T" + index)) setInfo TypeBounds.empty lazy val boxedClassValues = boxedClass.values.toSet lazy val isUnbox = unboxMethod.values.toSet @@ -965,12 +949,12 @@ trait Definitions extends reflect.api.StandardDefinitions { RootClass.info.decls enter RootPackage // members of class scala.Any - Any_== = newMethod(AnyClass, nme.EQ, anyparam, booltype) setFlag FINAL - Any_!= = newMethod(AnyClass, nme.NE, anyparam, booltype) setFlag FINAL + Any_== = newMethod(AnyClass, nme.EQ, anyparam, booltype, FINAL) + Any_!= = newMethod(AnyClass, nme.NE, anyparam, booltype, FINAL) Any_equals = newMethod(AnyClass, nme.equals_, anyparam, booltype) Any_hashCode = newMethod(AnyClass, nme.hashCode_, Nil, inttype) Any_toString = newMethod(AnyClass, nme.toString_, Nil, stringtype) - Any_## = newMethod(AnyClass, nme.HASHHASH, Nil, inttype) setFlag FINAL + Any_## = newMethod(AnyClass, nme.HASHHASH, Nil, inttype, FINAL) // Any_getClass requires special handling. The return type is determined on // a per-call-site basis as if the function being called were actually: @@ -981,26 +965,24 @@ trait Definitions extends reflect.api.StandardDefinitions { // Since getClass is not actually a polymorphic method, this requires compiler // participation. At the "Any" level, the return type is Class[_] as it is in // java.lang.Object. Java also special cases the return type. - Any_getClass = ( - newMethod(AnyClass, nme.getClass_, Nil, getMember(ObjectClass, nme.getClass_).tpe.resultType) - setFlag DEFERRED - ) + Any_getClass = + newMethod(AnyClass, nme.getClass_, Nil, getMember(ObjectClass, nme.getClass_).tpe.resultType, DEFERRED) Any_isInstanceOf = newPolyMethod( AnyClass, nme.isInstanceOf_, tparam => NullaryMethodType(booltype)) setFlag FINAL Any_asInstanceOf = newPolyMethod( AnyClass, nme.asInstanceOf_, tparam => NullaryMethodType(tparam.typeConstructor)) setFlag FINAL // members of class java.lang.{ Object, String } - Object_## = newMethod(ObjectClass, nme.HASHHASH, Nil, inttype) setFlag FINAL - Object_== = newMethod(ObjectClass, nme.EQ, anyrefparam, booltype) setFlag FINAL - Object_!= = newMethod(ObjectClass, nme.NE, anyrefparam, booltype) setFlag FINAL - Object_eq = newMethod(ObjectClass, nme.eq, anyrefparam, booltype) setFlag FINAL - Object_ne = newMethod(ObjectClass, nme.ne, anyrefparam, booltype) setFlag FINAL + Object_## = newMethod(ObjectClass, nme.HASHHASH, Nil, inttype, FINAL) + Object_== = newMethod(ObjectClass, nme.EQ, anyrefparam, booltype, FINAL) + Object_!= = newMethod(ObjectClass, nme.NE, anyrefparam, booltype, FINAL) + Object_eq = newMethod(ObjectClass, nme.eq, anyrefparam, booltype, FINAL) + Object_ne = newMethod(ObjectClass, nme.ne, anyrefparam, booltype, FINAL) Object_synchronized = newPolyMethodCon( ObjectClass, nme.synchronized_, tparam => msym => MethodType(msym.newSyntheticValueParams(List(tparam.typeConstructor)), tparam.typeConstructor)) setFlag FINAL - String_+ = newMethod(StringClass, nme.raw.PLUS, anyparam, stringtype) setFlag FINAL + String_+ = newMethod(StringClass, nme.raw.PLUS, anyparam, stringtype, FINAL) val forced = List( // force initialization of every symbol that is entered as a side effect AnnotationDefaultAttr, // #2264 @@ -1037,7 +1019,7 @@ trait Definitions extends reflect.api.StandardDefinitions { // tparam => resultType, which is the resultType of PolyType, i.e. the result type after applying the // type parameter =-> a MethodType in this case // TODO: set type bounds manually (-> MulticastDelegate), see newTypeParam - val newCaller = newMethod(DelegateClass, name, paramTypes, delegateType) setFlag (FINAL | STATIC) + val newCaller = newMethod(DelegateClass, name, paramTypes, delegateType, FINAL | STATIC) // val newCaller = newPolyMethod(DelegateClass, name, // tparam => MethodType(paramTypes, tparam.typeConstructor)) setFlag (FINAL | STATIC) Delegate_scalaCallers = Delegate_scalaCallers ::: List(newCaller) |