code cleanup for mark&sweep GC

1 files changed, 1 insertions, 33 deletions

diff --git a/lib/system/cellsets.nim b/lib/system/cellsets.nim
index d3886dfda..7ad814da4 100755
--- a/lib/system/cellsets.nim
+++ b/lib/system/cellsets.nim
@@ -68,38 +68,6 @@ proc deinit(s: var TCellSeq) =
   s.len = 0
   s.cap = 0
 
-# ------------------- cyclic cell temporary data structure --------------------
-
-type
-  TCycleCell = object
-    cell: PCell
-    oldRefcount, newRefcount: TRefCount
-  PCycleCellArray = ptr array[0..100_000_000, TCycleCell]
-  TCycleCellSeq {.final, pure.} = object
-    len, cap: int
-    d: PCycleCellArray
-
-proc reserveSlot(s: var TCycleCellSeq): int =
-  if s.len >= s.cap:
-    s.cap = s.cap * 3 div 2
-    var d = cast[PCycleCellArray](Alloc(s.cap * sizeof(TCycleCell)))
-    copyMem(d, s.d, s.len * sizeof(TCycleCell))
-    Dealloc(s.d)
-    s.d = d
-  result = s.len
-  inc(s.len)
-
-proc init(s: var TCycleCellSeq, cap: int = 1024) =
-  s.len = 0
-  s.cap = cap
-  s.d = cast[PCycleCellArray](Alloc(cap * sizeof(TCycleCell)))
-
-proc deinit(s: var TCycleCellSeq) = 
-  Dealloc(s.d)
-  s.d = nil
-  s.len = 0
-  s.cap = 0
-
 # ------------------- cell set handling ---------------------------------------
 
 const
@@ -230,7 +198,7 @@ iterator elements(t: TCellSet): PCell {.inline.} =
       inc(i)
     r = r.next
 
-iterator elementsWithout(t, s: TCellSet): PCell {.inline.} =
+iterator elementsExcept(t, s: TCellSet): PCell {.inline.} =
   var r = t.head
   while r != nil:
     let ss = CellSetGet(s, r.key)