Remove unused imports

Using dotty-compiler/scalafix RemoveUnused

Author: OlivierBlanvillain

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

@@ -5,30 +5,15 @@ import dotty.tools.dotc.core.Contexts.Context
 import dotty.tools.dotc.core.Types
 import dotty.tools.dotc.transform.MegaPhase._
 import dotty.tools.dotc.ast.tpd
-import dotty.tools.dotc
-import dotty.tools.dotc.core.Flags.FlagSet
-import dotty.tools.dotc.transform.Erasure
-import dotty.tools.dotc.transform.SymUtils._
-import java.io.{File => JFile}
+import java.io.{File => _}
 
-import scala.collection.generic.Clearable
-import scala.collection.mutable
-import scala.reflect.ClassTag
-import dotty.tools.io.{Directory, PlainDirectory, AbstractFile}
-import scala.tools.asm.{ClassVisitor, FieldVisitor, MethodVisitor}
-import scala.tools.nsc.backend.jvm.{BCodeHelpers, BackendInterface}
 import dotty.tools.dotc.core._
-import Periods._
 import SymDenotations._
 import Contexts._
 import Types._
 import Symbols._
-import Denotations._
-import Phases._
-import java.lang.AssertionError
 import dotty.tools.dotc.util.Positions.Position
 import Decorators._
-import tpd._
 import StdNames.nme
 
 /**
@@ -56,7 +41,6 @@ object CollectEntryPoints{
   }
 
   def isJavaEntryPoint(sym: Symbol)(implicit ctx: Context): Boolean = {
-    import Types.MethodType
     val d = ctx.definitions
     val StringType = d.StringType
     // The given class has a main method.

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

@@ -1,7 +1,6 @@
 package dotty.tools.backend.jvm
 
 import dotty.tools.dotc.ast.tpd
-import dotty.tools.dotc.ast.Trees._
 import dotty.tools.dotc.core.Contexts.Context
 import dotty.tools.dotc.core.Symbols._
 import dotty.tools.dotc.core.Flags.Trait

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

@@ -6,37 +6,29 @@ import dotty.tools.dotc
 import dotty.tools.dotc.core.Flags.FlagSet
 import dotty.tools.dotc.transform.{Erasure, GenericSignatures}
 import dotty.tools.dotc.transform.SymUtils._
-import java.io.{File => JFile}
+import java.io.{File => _}
 
 import scala.collection.generic.Clearable
 import scala.collection.mutable
 import scala.reflect.ClassTag
 import scala.reflect.internal.util.WeakHashSet
-import dotty.tools.io.{AbstractFile, Directory, PlainDirectory}
-import scala.tools.asm.{AnnotationVisitor, ClassVisitor, FieldVisitor, MethodVisitor}
+import dotty.tools.io.AbstractFile
+import scala.tools.asm.AnnotationVisitor
 import scala.tools.nsc.backend.jvm.{BCodeHelpers, BackendInterface}
 import dotty.tools.dotc.core._
-import Periods._
-import SymDenotations._
 import Contexts._
 import Types._
 import Symbols._
-import Denotations._
 import Phases._
-import java.lang.AssertionError
 
-import dotty.tools.dotc.util.{DotClass, Positions}
+import dotty.tools.dotc.util.Positions
 import Decorators._
 import tpd._
 
 import scala.tools.asm
 import StdNames.{nme, str}
-import NameOps._
 import NameKinds.{DefaultGetterName, ExpandedName}
-import dotty.tools.dotc.core
-import dotty.tools.dotc.core.Names.TypeName
 
-import scala.annotation.tailrec
 
 class DottyBackendInterface(outputDirectory: AbstractFile, val superCallsMap: Map[Symbol, Set[ClassSymbol]])(implicit ctx: Context) extends BackendInterface{
   import Symbols.{toDenot, toClassDenot}

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

@@ -20,13 +20,12 @@ import Decorators._
 
 import java.io.DataOutputStream
 
-import dotty.tools.io.Directory
 
 import scala.tools.asm
 import scala.tools.asm.tree._
 import tpd._
 import StdNames._
-import dotty.tools.dotc.core.tasty.{TastyBuffer, TastyHeaderUnpickler, TastyPickler}
+import dotty.tools.dotc.core.tasty.{TastyBuffer, TastyHeaderUnpickler}
 import dotty.tools.io._
 
 class GenBCode extends Phase {

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

@@ -6,7 +6,6 @@ import dotty.tools.dotc.core.Flags._
 import dotty.tools.dotc.core.Symbols._
 import dotty.tools.dotc.transform.MegaPhase._
 
-import scala.collection.mutable
 
 /**
  * Verifies that each Label DefDef has only a single address to jump back and

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

@@ -14,7 +14,7 @@ import Names.TermName, StdNames._
 import Types.{JavaArrayType, UnspecifiedErrorType, Type}
 import Symbols.{Symbol, NoSymbol}
 
-import scala.collection.{ mutable, immutable }
+import scala.collection.immutable
 
 
 /** Scala primitive operations are represented as methods in `Any` and

compiler/src/dotty/tools/dotc/Compiler.scala

@@ -3,17 +3,9 @@ package dotc
 
 import core._
 import Contexts._
-import Periods._
-import Symbols._
-import Types._
-import Scopes._
-import typer.{FrontEnd, ImportInfo, RefChecks, Typer}
-import reporting.{ConsoleReporter, Reporter}
+import typer.{FrontEnd, RefChecks}
 import Phases.Phase
 import transform._
-import util.FreshNameCreator
-import core.DenotTransformers.DenotTransformer
-import core.Denotations.SingleDenotation
 import dotty.tools.backend.jvm.{CollectSuperCalls, GenBCode, LabelDefs}
 import dotty.tools.dotc.transform.localopt.StringInterpolatorOpt
 

compiler/src/dotty/tools/dotc/Driver.scala

@@ -5,7 +5,6 @@ import config.CompilerCommand
 import core.Comments.{ContextDoc, ContextDocstrings}
 import core.Contexts.{Context, ContextBase}
 import core.Mode
-import util.DotClass
 import reporting._
 import scala.util.control.NonFatal
 import fromtasty.TASTYCompiler

compiler/src/dotty/tools/dotc/Run.scala

@@ -5,17 +5,15 @@ import core._
 import Contexts._
 import Periods._
 import Symbols._
-import Phases._
 import Types._
 import Scopes._
-import typer.{FrontEnd, ImportInfo, RefChecks, Typer}
+import typer.{ImportInfo, Typer}
 import Decorators._
 import io.{AbstractFile, PlainFile}
 
 import scala.io.Codec
 import util.{Set => _, _}
 import reporting.Reporter
-import transform.TreeChecker
 import rewrites.Rewrites
 import java.io.{BufferedWriter, OutputStreamWriter}
 
@@ -26,7 +24,6 @@ import parsing.JavaParsers.JavaParser
 import typer.ImplicitRunInfo
 import collection.mutable
 
-import scala.annotation.tailrec
 import dotty.tools.io.VirtualFile
 
 import scala.util.control.NonFatal

compiler/src/dotty/tools/dotc/ast/Desugar.scala

@@ -4,10 +4,9 @@ package ast
 
 import core._
 import util.Positions._, Types._, Contexts._, Constants._, Names._, NameOps._, Flags._
-import SymDenotations._, Symbols._, StdNames._, Annotations._, Trees._
+import Symbols._, StdNames._, Trees._
 import Decorators._, transform.SymUtils._
 import NameKinds.{UniqueName, EvidenceParamName, DefaultGetterName}
-import language.higherKinds
 import typer.FrontEnd
 import collection.mutable.ListBuffer
 import reporting.diagnostic.messages._