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[LL FIR] do not allocate lambda for the ValueWithPostCompute.guard

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to reduce a memory consumption for a little

ValueWithPostCompute are created very often
This commit is contained in:
Ilya Kirillov
2022-12-13 14:48:23 +01:00
committed by Space Team
parent 2bb3b41348
commit 8b88315a69
1 changed files with 3 additions and 2 deletions
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analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/caches/ValueWithPostCompute.kt
+3 -2
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@@ -27,7 +27,7 @@ internal class ValueWithPostCompute<KEY, VALUE, DATA>(
private var _calculate: ((KEY) -> Pair<VALUE, DATA>)? = calculate
private var _postCompute: ((KEY, VALUE, DATA) -> Unit)? = postCompute
private var lock: ReentrantLock? = ReentrantLock()
private var guard: ThreadLocal<Boolean>? = ThreadLocal.withInitial { false }
private var guard: ThreadLocal<Boolean>? = ThreadLocal()
/**
* can be in one of the following three states:
@@ -43,7 +43,8 @@ internal class ValueWithPostCompute<KEY, VALUE, DATA>(
private var value: Any? = ValueIsNotComputed
private inline fun <T> recursiveGuarded(body: () -> T): T {
check(!guard!!.get()) {
val currentGuardValue = guard!!.get()
check(currentGuardValue == null || !currentGuardValue) {
"Should not be called recursively"
}
guard!!.set(true)