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first version of a simple mark&sweep GC; activate with --gc:markAndSweep

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This commit is contained in:
Araq 2013-02-07 01:57:10 +01:00
commit ab6f793408
12 changed files with 834 additions and 89 deletions
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3
lib/system/sysstr.nim
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@ -202,7 +202,8 @@ proc setLengthSeq(seq: PGenericSeq, elemSize, newLen: int): PGenericSeq {.
GenericSeqSize))
elif newLen < result.len:
# we need to decref here, otherwise the GC leaks!
when not defined(boehmGC) and not defined(nogc):
when not defined(boehmGC) and not defined(nogc) and
not defined(gcMarkAndSweep):
when compileOption("gc", "v2"):
for i in newLen..result.len-1:
let len0 = gch.tempStack.len