Remove duplicate implementation of isLocal

Author: allanrenucci

compiler/src/dotty/tools/backend/jvm/GenBCode.scala

@@ -13,6 +13,7 @@ import scala.tools.nsc.backend.jvm._
 import dotty.tools.dotc
 import dotty.tools.dotc.backend.jvm.DottyPrimitives
 import dotty.tools.dotc.transform.Erasure
+import dotty.tools.dotc.transform.SymUtils._
 import dotty.tools.dotc.interfaces
 import java.util.Optional
 
@@ -265,7 +266,7 @@ class GenBCodePipeline(val entryPoints: List[Symbol], val int: DottyBackendInter
         // ----------- sbt's callbacks
 
         val (fullClassName, isLocal) = ctx.atPhase(ctx.sbtExtractDependenciesPhase) { implicit ctx =>
-          (ExtractDependencies.classNameAsString(claszSymbol), ExtractDependencies.isLocal(claszSymbol))
+          (ExtractDependencies.classNameAsString(claszSymbol), claszSymbol.isLocal)
         }
 
         for ((cls, clsFile) <- classNodes.zip(classFiles)) {

compiler/src/dotty/tools/dotc/sbt/ExtractDependencies.scala

@@ -6,6 +6,7 @@ import core._, core.Decorators._
 import util.NoSource.{file => NoSourceFile}
 import Contexts._, Flags._, Phases._, Trees._, Types._, Symbols._
 import Names._, NameOps._, StdNames._
+import transform.SymUtils._
 
 import scala.collection.{Set, mutable}
 
@@ -151,9 +152,6 @@ object ExtractDependencies {
   def classNameAsString(sym: Symbol)(implicit ctx: Context): String =
     sym.fullName.stripModuleClassSuffix.toString
 
-  def isLocal(sym: Symbol)(implicit ctx: Context): Boolean =
-    sym.ownersIterator.exists(_.isTerm)
-
   /** Return the enclosing class or the module class if it's a module. */
   def enclOrModuleClass(dep: Symbol)(implicit ctx: Context): Symbol =
     if (dep.is(ModuleVal)) dep.moduleClass else dep.enclosingClass
@@ -301,7 +299,7 @@ private class ExtractDependenciesCollector extends tpd.TreeTraverser { thisTreeT
   private def addInheritanceDependency(tree: Template)(implicit ctx: Context): Unit =
     if (tree.parents.nonEmpty) {
       val depContext =
-        if (isLocal(tree.symbol.owner)) LocalDependencyByInheritance
+        if (tree.symbol.owner.isLocal) LocalDependencyByInheritance
         else DependencyByInheritance
       val from = resolveDependencySource
       tree.parents.foreach { parent =>