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xflywind
2022-07-11 18:00:16 +08:00
parent 0a558ceca9
commit 4965a190a2
1 changed files with 16 additions and 3 deletions
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19
compiler/astalgo.nim
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@@ -814,20 +814,33 @@ type
h*: Hash # current hash
name*: PIdent
# proc nextIdentIter*(ti: var TIdentIter, tab: TStrTable): PSym =
# var h = ti.h and high(tab.data)
# var start = h
# result = tab.data[h]
# while result != nil:
# if result.name.id == ti.name.id: break
# h = nextTry(h, high(tab.data))
# if h == start:
# result = nil
# break
# result = tab.data[h]
# ti.h = nextTry(h, high(tab.data))
proc nextIdentIter*(ti: var TIdentIter, tab: TStrTable): PSym =
# hot spots
var h = ti.h and high(tab.data)
var start = h
var p {.cursor.} = tab.data[h]
var p = addr tab.data[h]
while p != nil:
if p.name.id == ti.name.id: break
h = nextTry(h, high(tab.data))
if h == start:
p = nil
break
p = tab.data[h]
p = addr tab.data[h]
if p != nil:
result = p # increase the count
result = p[]
else:
result = nil
ti.h = nextTry(h, high(tab.data))