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fixes a performance regression for json handling

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This commit is contained in:
Araq 2013-01-15 01:09:15 +01:00
commit 2f14d0e108
1 changed files with 8 additions and 1 deletions
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9
lib/pure/json.nim
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@ -541,6 +541,11 @@ proc newJString*(s: String): PJsonNode =
result.kind = JString result.kind = JString
result.str = s result.str = s
proc newJStringMove(s: String): PJsonNode =
new(result)
result.kind = JString
shallowCopy(result.str, s)
proc newJInt*(n: biggestInt): PJsonNode = proc newJInt*(n: biggestInt): PJsonNode =
## Creates a new `JInt PJsonNode`. ## Creates a new `JInt PJsonNode`.
new(result) new(result)
@ -809,7 +814,9 @@ proc parseJson(p: var TJsonParser): PJsonNode =
## Parses JSON from a JSON Parser `p`. ## Parses JSON from a JSON Parser `p`.
case p.tok case p.tok
of tkString: of tkString:
result = newJString(p.a) # we capture 'p.a' here, so we need to give it a fresh buffer afterwards:
result = newJStringMove(p.a)
p.a = ""
discard getTok(p) discard getTok(p)
of tkInt: of tkInt:
result = newJInt(parseBiggestInt(p.a)) result = newJInt(parseBiggestInt(p.a))