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fix tab completion for filtered parsers

This commit is contained in:
Mark Harrah 2011-04-26 20:49:43 -04:00
parent c9ab2afec0
commit f4998e1d4a
1 changed files with 3 additions and 3 deletions
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6
util/complete/Parser.scala
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@ -147,8 +147,8 @@ object Parser extends ParserMain
a.ifValid {
a.result match
{
case Some(av) => if( f(av) ) success( av ) else Parser.failure(msg(seen))
case None => new Filter(a, f, seen, msg)
case Some(av) if f(av) => success( av )
case _ => new Filter(a, f, seen, msg)
}
}
@ -471,7 +471,7 @@ private final class MapParser[A,B](a: Parser[A], f: A => B) extends ValidParser[
}
private final class Filter[T](p: Parser[T], f: T => Boolean, seen: String, msg: String => String) extends ValidParser[T]
{
def filterResult(r: Result[T]) = p.resultEmpty.filter(f, msg(seen))
def filterResult(r: Result[T]) = r.filter(f, msg(seen))
lazy val result = p.result filter f
lazy val resultEmpty = filterResult(p.resultEmpty)
def derive(c: Char) = filterParser(p derive c, f, seen + c, msg)