remove maybeIncomplete from SourceFile

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

@@ -162,7 +162,7 @@ object CompilationUnit {
    *  Used for `compiletime.testing.typeChecks`.
    */
   def apply(name: String, source: String): CompilationUnit = {
-    val src = SourceFile.virtual(name = name, content = source, maybeIncomplete = false)
+    val src = SourceFile.virtual(name = name, content = source)
     new CompilationUnit(src, null)
   }
 

compiler/src/dotty/tools/dotc/parsing/Scanners.scala

@@ -784,10 +784,8 @@ object Scanners {
           if lastToken == IDENTIFIER && lastName != null && isIdentifierStart(lastName.head)
               || colonEOLPredecessors.contains(lastToken)
           then token = COLONfollow
-        case RBRACE | RPAREN | RBRACKET =>
+        case RBRACE | RPAREN | RBRACKET | EOF =>
           closeIndented()
-        case EOF =>
-          if !source.maybeIncomplete then closeIndented()
         case _ =>
       }
     }

compiler/src/dotty/tools/dotc/util/SourceFile.scala

@@ -104,10 +104,6 @@ class SourceFile(val file: AbstractFile, computeContent: => Array[Char]) extends
     myContent
   }
 
-  private var _maybeInComplete: Boolean = false
-
-  def maybeIncomplete: Boolean = _maybeInComplete
-
   override def name: String = file.name
   override def path: String = file.path
   override def jfile: Optional[JFile] = Optional.ofNullable(file.file)
@@ -252,9 +248,8 @@ object SourceFile {
   /** A source file with an underlying virtual file. The name is taken as a file system path
    *  with the local separator converted to "/". The last element of the path will be the simple name of the file.
    */
-  def virtual(name: String, content: String, maybeIncomplete: Boolean = false) =
+  def virtual(name: String, content: String) =
     SourceFile(new VirtualFile(name.replace(separator, "/"), content.getBytes(StandardCharsets.UTF_8)), content.toCharArray)
-      .tap(_._maybeInComplete = maybeIncomplete)
 
   /** A helper method to create a virtual source file for given URI.
    *  It relies on SourceFile#virtual implementation to create the virtual file.