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fixes compiler.lists.bringToFront

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This commit is contained in:
fowlmouth 2013-12-02 23:47:56 -06:00
commit 4f0eeaa55e
1 changed files with 11 additions and 7 deletions
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18
compiler/lists.nim
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@ -91,13 +91,17 @@ proc Remove*(list: var TLinkedList, entry: PListEntry) =
if entry.prev != nil: entry.prev.next = entry.next
proc bringToFront*(list: var TLinkedList, entry: PListEntry) =
if entry == list.head: return
if entry == list.tail: list.tail = entry.prev
if entry.next != nil: entry.next.prev = entry.prev
if entry.prev != nil: entry.prev.next = entry.next
entry.prev = nil
entry.next = list.head
list.head = entry
when true:
list.remove entry
list.prepend entry
else:
if entry == list.head: return
if entry == list.tail: list.tail = entry.prev
if entry.next != nil: entry.next.prev = entry.prev
if entry.prev != nil: entry.prev.next = entry.next
entry.prev = nil
entry.next = list.head
list.head = entry
proc ExcludeStr*(list: var TLinkedList, data: string) =
var it = list.head