Remove implicit definitions of ctx that are not parameters

Author: odersky

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

@@ -10,7 +10,7 @@ import dotty.tools.dotc.core.Symbols._
  * the compiler cake (Global).
  */
 final class BCodeAsmCommon[I <: DottyBackendInterface](val interface: I) {
-  import interface._
+  import interface.{_, given _}
   import DottyBackendInterface.symExtensions
 
   /**

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

@@ -30,7 +30,7 @@ trait BCodeBodyBuilder extends BCodeSkelBuilder {
   // import global._
   // import definitions._
   import tpd._
-  import int._
+  import int.{_, given _}
   import DottyBackendInterface.symExtensions
   import bTypes._
   import coreBTypes._

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

@@ -45,7 +45,7 @@ trait BCodeHelpers extends BCodeIdiomatic with BytecodeWriters {
   import bTypes._
   import tpd._
   import coreBTypes._
-  import int._
+  import int.{_, given _}
   import DottyBackendInterface._
 
   def ScalaATTRName: String = "Scala"
@@ -360,7 +360,7 @@ trait BCodeHelpers extends BCodeIdiomatic with BytecodeWriters {
       val narg = normalizeArgument(arg)
       // Transformation phases are not run on annotation trees, so we need to run
       // `constToLiteral` at this point.
-      val t = constToLiteral(narg)(ctx.withPhase(ctx.erasurePhase))
+      val t = constToLiteral(narg)(using ctx.withPhase(ctx.erasurePhase))
       t match {
         case Literal(const @ Constant(_)) =>
           const.tag match {
@@ -464,7 +464,7 @@ trait BCodeHelpers extends BCodeIdiomatic with BytecodeWriters {
   } // end of trait BCAnnotGen
 
   trait BCJGenSigGen {
-    import int._
+    import int.{_, given _}
 
     def getCurrentCUnit(): CompilationUnit
 

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

@@ -19,7 +19,7 @@ trait BCodeIdiomatic {
   val int: DottyBackendInterface
   final lazy val bTypes = new BTypesFromSymbols[int.type](int)
 
-  import int._
+  import int.{_, given _}
   import bTypes._
   import coreBTypes._
 

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

@@ -26,7 +26,7 @@ import dotty.tools.dotc.util.Spans._
  *
  */
 trait BCodeSkelBuilder extends BCodeHelpers {
-  import int._
+  import int.{_, given _}
   import DottyBackendInterface.{symExtensions, _}
   import tpd._
   import bTypes._

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

@@ -18,7 +18,7 @@ import dotty.tools.dotc.ast.tpd.TreeOps
  *
  */
 trait BCodeSyncAndTry extends BCodeBodyBuilder {
-  import int._
+  import int.{_, given _}
   import tpd._
   import bTypes._
   import coreBTypes._

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

@@ -15,7 +15,7 @@ import scala.tools.asm
 abstract class BTypes {
 
   val int: DottyBackendInterface
-  import int._
+  import int.{_, given _}
   /**
    * A map from internal names to ClassBTypes. Every ClassBType is added to this map on its
    * construction.

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

@@ -27,7 +27,7 @@ import dotty.tools.dotc.util.WeakHashSet
  * not have access to the compiler instance.
  */
 class BTypesFromSymbols[I <: DottyBackendInterface](val int: I) extends BTypes {
-  import int._
+  import int.{_, given _}
   import DottyBackendInterface.{symExtensions, _}
 
   lazy val TransientAttr = requiredClass[scala.transient]

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

@@ -16,7 +16,7 @@ class FileConflictException(msg: String, val file: AbstractFile) extends IOExcep
  */
 trait BytecodeWriters {
   val int: DottyBackendInterface
-  import int._
+  import int.{_, given _}
 
   /**
    * @param clsName cls.getName

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

@@ -33,7 +33,7 @@ import dotty.tools.dotc.transform.Erasure
  */
 class CoreBTypes[BTFS <: BTypesFromSymbols[_ <: DottyBackendInterface]](val bTypes: BTFS) {
   import bTypes._
-  import int._
+  import int.{_, given _}
   import DottyBackendInterface._
 
   //import global._