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Add fast paths for hasProperty internal method (#407)

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Also the Object.[[Get]] method is modified to follow the standard requirements without recursion.

Signed-off-by: Robert Fancsik <frobert@inf.u-szeged.hu>
This commit is contained in:
Robert Fancsik 2019-09-03 10:14:03 +02:00 • committed by Boram Bae
commit 1df4dcd1a8
10 changed files with 86 additions and 11 deletions
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10
src/runtime/ArgumentsObject.cpp
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@ -155,6 +155,16 @@ ArgumentsObject::ArgumentsObject(ExecutionState& state, ScriptFunctionObject* so
}
}
ObjectHasPropertyResult ArgumentsObject::hasProperty(ExecutionState& state, const ObjectPropertyName& P)
{
uint64_t index = P.tryToUseAsIndex();
if (LIKELY(!isModifiedArgument(index) && isMatchedArgument(index))) {
return ObjectHasPropertyResult(ObjectGetResult(getIndexedPropertyValueQuickly(state, index), true, true, true));
}
return Object::hasProperty(state, P);
}
ObjectGetResult ArgumentsObject::getOwnProperty(ExecutionState& state, const ObjectPropertyName& P)
{
uint64_t index = P.tryToUseAsIndex();