diff options
3 files changed, 37 insertions, 55 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/MethodSynthesis.scala b/src/compiler/scala/tools/nsc/typechecker/MethodSynthesis.scala index 0f257d3717..fd9a45166e 100644 --- a/src/compiler/scala/tools/nsc/typechecker/MethodSynthesis.scala +++ b/src/compiler/scala/tools/nsc/typechecker/MethodSynthesis.scala @@ -221,7 +221,7 @@ trait MethodSynthesis { def enterImplicitWrapper(classDef: ClassDef): Unit = { val methDef = factoryMeth(classDef.mods & AccessFlags | METHOD | IMPLICIT | SYNTHETIC, classDef.name.toTermName, classDef) - val methSym = assignAndEnterSymbol(methDef) + val methSym = enterInScope(assignMemberSymbol(methDef)) context.unit.synthetics(methSym) = methDef methSym setInfo implicitFactoryMethodCompleter(methDef, classDef.symbol, completerOf(methDef).asInstanceOf[LockingTypeCompleter]) } diff --git a/src/compiler/scala/tools/nsc/typechecker/Namers.scala b/src/compiler/scala/tools/nsc/typechecker/Namers.scala index 1e4a59615f..e8eb19c52b 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Namers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Namers.scala @@ -103,14 +103,10 @@ trait Namers extends MethodSynthesis { else newNamer(cx) } - def enterValueParams(vparamss: List[List[ValDef]]): List[List[Symbol]] = { + def enterValueParams(vparamss: List[List[ValDef]]): List[List[Symbol]] = mmap(vparamss) { param => - val sym = assignSymbol(param, param.name, mask = ValueParameterFlags) - setPrivateWithin(param, sym) - enterInScope(sym) - sym setInfo monoTypeCompleter(param) + enterInScope(assignMemberSymbol(param, mask = ValueParameterFlags)) setInfo monoTypeCompleter(param) } - } protected def owner = context.owner def contextFile = context.unit.source.file @@ -286,9 +282,7 @@ trait Namers extends MethodSynthesis { case tree @ DefDef(_, _, _, _, _, _) => enterDefDef(tree) case tree @ TypeDef(_, _, _, _) => enterTypeDef(tree) case DocDef(_, defn) => enterSym(defn) - case tree @ Import(_, _) => - assignSymbol(tree) - returnContext = context.make(tree) + case tree @ Import(_, _) => enterImport(tree); returnContext = context.make(tree) case _ => } returnContext @@ -299,25 +293,15 @@ trait Namers extends MethodSynthesis { } } - /** Creates a new symbol and assigns it to the tree, returning the symbol - */ - def assignSymbol(tree: Tree): Symbol = - logAssignSymbol(tree, tree match { - case PackageDef(pid, _) => createPackageSymbol(tree.pos, pid) - case imp: Import => createImportSymbol(imp) - case mdef: MemberDef => createMemberSymbol(mdef, mdef.name, -1L) - case _ => abort("Unexpected tree: " + tree) - }) - def assignSymbol(tree: MemberDef, name: Name, mask: Long): Symbol = - logAssignSymbol(tree, createMemberSymbol(tree, name, mask)) - - def assignAndEnterSymbol(tree: MemberDef): Symbol = { - val sym = assignSymbol(tree, tree.name, -1L) + def assignMemberSymbol(tree: MemberDef, mask: Long = -1L): Symbol = { + val sym = createMemberSymbol(tree, tree.name, mask) setPrivateWithin(tree, sym) - enterInScope(sym) + tree.symbol = sym + sym } + def assignAndEnterFinishedSymbol(tree: MemberDef): Symbol = { - val sym = assignAndEnterSymbol(tree) + val sym = enterInScope(assignMemberSymbol(tree)) sym setInfo completerOf(tree) // log("[+info] " + sym.fullLocationString) sym @@ -329,19 +313,6 @@ trait Namers extends MethodSynthesis { sym } - private def logAssignSymbol(tree: Tree, sym: Symbol): Symbol = { - if (isPastTyper) sym.name.toTermName match { - case nme.IMPORT | nme.OUTER | nme.ANON_CLASS_NAME | nme.ANON_FUN_NAME | nme.CONSTRUCTOR => () - case _ => - tree match { - case md: DefDef => log("[+symbol] " + sym.debugLocationString) - case _ => - } - } - tree.symbol = sym - sym - } - /** Create a new symbol at the context owner based on the given tree. * A different name can be given. If the modifier flags should not be * be transferred to the symbol as they are, supply a mask containing @@ -419,7 +390,7 @@ trait Namers extends MethodSynthesis { clearRenamedCaseAccessors(existing) existing } - else assignAndEnterSymbol(tree) setFlag inConstructorFlag + else enterInScope(assignMemberSymbol(tree)) setFlag inConstructorFlag } clazz match { case csym: ClassSymbol if csym.isTopLevel => enterClassSymbol(tree, csym) @@ -466,9 +437,10 @@ trait Namers extends MethodSynthesis { /** Enter a module symbol. */ def enterModuleSymbol(tree : ModuleDef): Symbol = { - var m: Symbol = context.scope lookupModule tree.name val moduleFlags = tree.mods.flags | MODULE - if (m.isModule && !m.hasPackageFlag && inCurrentScope(m) && (currentRun.canRedefine(m) || m.isSynthetic)) { + + val existingModule = context.scope lookupModule tree.name + if (existingModule.isModule && !existingModule.hasPackageFlag && inCurrentScope(existingModule) && (currentRun.canRedefine(existingModule) || existingModule.isSynthetic)) { // This code accounts for the way the package objects found in the classpath are opened up // early by the completer of the package itself. If the `packageobjects` phase then finds // the same package object in sources, we have to clean the slate and remove package object @@ -476,21 +448,24 @@ trait Namers extends MethodSynthesis { // // TODO SI-4695 Pursue the approach in https://github.com/scala/scala/pull/2789 that avoids // opening up the package object on the classpath at all if one exists in source. - if (m.isPackageObject) { - val packageScope = m.enclosingPackageClass.rawInfo.decls - packageScope.foreach(mem => if (mem.owner != m.enclosingPackageClass) packageScope unlink mem) + if (existingModule.isPackageObject) { + val packageScope = existingModule.enclosingPackageClass.rawInfo.decls + packageScope.foreach(mem => if (mem.owner != existingModule.enclosingPackageClass) packageScope unlink mem) } - updatePosFlags(m, tree.pos, moduleFlags) - setPrivateWithin(tree, m) - m.moduleClass andAlso (setPrivateWithin(tree, _)) - context.unit.synthetics -= m - tree.symbol = m + updatePosFlags(existingModule, tree.pos, moduleFlags) + setPrivateWithin(tree, existingModule) + existingModule.moduleClass andAlso (setPrivateWithin(tree, _)) + context.unit.synthetics -= existingModule + tree.symbol = existingModule } else { - m = assignAndEnterSymbol(tree) + enterInScope(assignMemberSymbol(tree)) + val m = tree.symbol m.moduleClass setFlag moduleClassFlags(moduleFlags) setPrivateWithin(tree, m.moduleClass) } + + val m = tree.symbol if (m.isTopLevel && !m.hasPackageFlag) { m.moduleClass.associatedFile = contextFile currentRun.symSource(m) = m.moduleClass.sourceFile @@ -751,17 +726,24 @@ trait Namers extends MethodSynthesis { } def enterPackage(tree: PackageDef) { - val sym = assignSymbol(tree) + val sym = createPackageSymbol(tree.pos, tree.pid) + tree.symbol = sym newNamer(context.make(tree, sym.moduleClass, sym.info.decls)) enterSyms tree.stats } + + private def enterImport(tree: Import) = { + val sym = createImportSymbol(tree) + tree.symbol = sym + } + def enterTypeDef(tree: TypeDef) = assignAndEnterFinishedSymbol(tree) def enterDefDef(tree: DefDef): Unit = tree match { case DefDef(_, nme.CONSTRUCTOR, _, _, _, _) => assignAndEnterFinishedSymbol(tree) - case DefDef(mods, name, tparams, _, _, _) => + case DefDef(mods, name, _, _, _, _) => val bridgeFlag = if (mods hasAnnotationNamed tpnme.bridgeAnnot) BRIDGE | ARTIFACT else 0 - val sym = assignAndEnterSymbol(tree) setFlag bridgeFlag + val sym = enterInScope(assignMemberSymbol(tree)) setFlag bridgeFlag val completer = if (sym hasFlag SYNTHETIC) { diff --git a/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala b/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala index f2e9b260b0..c13257f6ec 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala @@ -24,7 +24,7 @@ trait Unapplies extends ast.TreeDSL { private def unapplyParamName = nme.x_0 private def caseMods = Modifiers(SYNTHETIC | CASE) - // In the typeCompleter (templateSig) of a case class (resp it's module), + // In the typeCompleter (templateSig) of a case class (resp its module), // synthetic `copy` (reps `apply`, `unapply`) methods are added. To compute // their signatures, the corresponding ClassDef is needed. During naming (in // `enterClassDef`), the case class ClassDef is added as an attachment to the |