Improve the usage of inclusive language

Changes:
- blacklist -> excludelist
- whitelist -> allowlist

Discussion:
- #21988
- #22360 (comment)

Author: Linyxus

compiler/src/dotty/tools/dotc/core/Contexts.scala

@@ -122,7 +122,7 @@ object Contexts {
    *      risk of capturing complete trees.
    *    - To make sure these rules are kept, it would be good to do a sanity
    *      check using bytecode inspection with javap or scalap: Keep track
-   *      of all class fields of type context; allow them only in whitelisted
+   *      of all class fields of type context; allow them only in allowlisted
    *      classes (which should be short-lived).
    */
   abstract class Context(val base: ContextBase) { thiscontext =>

compiler/src/dotty/tools/dotc/core/Definitions.scala

@@ -1957,7 +1957,7 @@ class Definitions {
           Some((args.init, args.last))
         case _ => None
 
-  /** A whitelist of Scala-2 classes that are known to be pure */
+  /** A allowlist of Scala-2 classes that are known to be pure */
   def isAssuredNoInits(sym: Symbol): Boolean =
     (sym `eq` SomeClass) || isTupleClass(sym)
 

compiler/src/dotty/tools/dotc/core/Names.scala

@@ -401,7 +401,7 @@ object Names {
       }
 
     /** It's OK to take a toString if the stacktrace does not contain a method
-     *  from GenBCode or it also contains one of the whitelisted methods below.
+     *  from GenBCode or it also contains one of the allowed methods below.
      */
     private def toStringOK = {
       val trace: Array[StackTraceElement] = Thread.currentThread.nn.getStackTrace.asInstanceOf[Array[StackTraceElement]]

compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala

@@ -1079,7 +1079,7 @@ class ClassfileParser(
 
   // Nothing$ and Null$ were incorrectly emitted with a Scala attribute
   // instead of ScalaSignature before 2.13.0-M2, see https://github.com/scala/scala/pull/5952
-  private val scalaUnpickleWhitelist = List(tpnme.nothingClass, tpnme.nullClass)
+  private val scalaUnpickleAllowlist = List(tpnme.nothingClass, tpnme.nullClass)
 
   /** Parse inner classes. Expects `in.bp` to point to the superclass entry.
    *  Restores the old `bp`.
@@ -1152,7 +1152,7 @@ class ClassfileParser(
         return None
       }
 
-      if scan(tpnme.ScalaATTR) && !scalaUnpickleWhitelist.contains(classRoot.name)
+      if scan(tpnme.ScalaATTR) && !scalaUnpickleAllowlist.contains(classRoot.name)
         && !(classRoot.name.startsWith("Tuple") && classRoot.name.endsWith("$sp"))
         && !(classRoot.name.startsWith("Product") && classRoot.name.endsWith("$sp"))
       then

compiler/src/dotty/tools/dotc/transform/init/Objects.scala

@@ -82,7 +82,7 @@ class Objects(using Context @constructorOnly):
   val immutableLazyList: Symbol = requiredModule("scala.collection.immutable.LazyList")
   val LazyList_empty: Symbol = immutableLazyList.requiredValue("_empty")
 
-  val whiteList: Set[Symbol] = Set(SetNode_EmptySetNode, HashSet_EmptySet, Vector_EmptyIterator, MapNode_EmptyMapNode, HashMap_EmptyMap, LazyList_empty)
+  val allowList: Set[Symbol] = Set(SetNode_EmptySetNode, HashSet_EmptySet, Vector_EmptyIterator, MapNode_EmptyMapNode, HashMap_EmptyMap, LazyList_empty)
 
   // ----------------------------- abstract domain -----------------------------
 
@@ -1728,7 +1728,7 @@ class Objects(using Context @constructorOnly):
     tpl.body.foreach {
       case vdef : ValDef if !vdef.symbol.is(Flags.Lazy) && !vdef.rhs.isEmpty =>
         val sym = vdef.symbol
-        val res = if (whiteList.contains(sym)) Bottom else eval(vdef.rhs, thisV, klass)
+        val res = if (allowList.contains(sym)) Bottom else eval(vdef.rhs, thisV, klass)
         if sym.is(Flags.Mutable) then
           val addr = Heap.fieldVarAddr(summon[Regions.Data], sym, State.currentObject)
           thisV.initVar(sym, addr)