# HG changeset patch # User wenzelm # Date 1614889145 -3600 # Node ID 894f29abe5fc7dfdf6722a7a8ce3e1d2e60d00f1 # Parent 77ef8bef0593a844435cd7c67493b8579ab7840e clarified signature --- fewer warnings; diff -r 77ef8bef0593 -r 894f29abe5fc src/Pure/Thy/thy_header.scala --- a/src/Pure/Thy/thy_header.scala Thu Mar 04 21:04:27 2021 +0100 +++ b/src/Pure/Thy/thy_header.scala Thu Mar 04 21:19:05 2021 +0100 @@ -186,10 +186,10 @@ private def read_tokens(reader: Reader[Char], strict: Boolean): (List[Token], List[Token]) = { val token = Token.Parsers.token(bootstrap_keywords) - def make_tokens(in: Reader[Char]): Stream[Token] = + def make_tokens(in: Reader[Char]): LazyList[Token] = token(in) match { case Token.Parsers.Success(tok, rest) => tok #:: make_tokens(rest) - case _ => Stream.empty + case _ => LazyList.empty } val all_tokens = make_tokens(reader) diff -r 77ef8bef0593 -r 894f29abe5fc src/Pure/Thy/thy_syntax.scala --- a/src/Pure/Thy/thy_syntax.scala Thu Mar 04 21:04:27 2021 +0100 +++ b/src/Pure/Thy/thy_syntax.scala Thu Mar 04 21:19:05 2021 +0100 @@ -27,7 +27,7 @@ val visible = new mutable.ListBuffer[Command] val visible_overlay = new mutable.ListBuffer[Command] @tailrec - def check_ranges(ranges: List[Text.Range], commands: Stream[(Command, Text.Offset)]): Unit = + def check_ranges(ranges: List[Text.Range], commands: LazyList[(Command, Text.Offset)]): Unit = { (ranges, commands) match { case (range :: more_ranges, (command, offset) #:: more_commands) => @@ -55,7 +55,7 @@ val commands = (if (overlays.is_empty) node.command_iterator(perspective.range) - else node.command_iterator()).toStream + else node.command_iterator()).to(LazyList) check_ranges(perspective.ranges, commands) (Command.Perspective(visible.toList), Command.Perspective(visible_overlay.toList)) }