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LibJS: Make async functions & generators faster with helper types

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Instead of returning internal generator results as ordinary JS::Objects
with properties, we now use GeneratorResult and CompletionCell which
both inherit from Cell directly and allow efficient access to state.

1.59x speedup on JetStream3/lazy-collections.js :^)
This commit is contained in:
Andreas Kling 2025-03-31 09:32:39 +01:00 • committed by Alexander Kalenik
commit a0bb31f7a0
Notes: github-actions[bot] 2025-04-01 00:31:35 +00:00
12 changed files with 259 additions and 93 deletions
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3
Libraries/LibJS/Runtime/CommonPropertyNames.h
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@ -91,7 +91,6 @@ namespace JS {
P(construct) \
P(constructor) \
P(containing) \
P(continuation) \
P(copyWithin) \
P(cos) \
P(cosh) \
@ -277,7 +276,6 @@ namespace JS {
P(Intl) \
P(is) \
P(isArray) \
P(isAwait) \
P(isDisjointFrom) \
P(isError) \
P(isExtensible) \
@ -409,7 +407,6 @@ namespace JS {
P(reason) \
P(reduce) \
P(reduceRight) \
P(result) \
P(Reflect) \
P(RegExp) \
P(region) \