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LibJS/Bytecode: Move IteratorToArray impl to CommonImplementations

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Simon Wanner 2023-10-29 17:07:25 +01:00 committed by Andreas Kling
parent c697ff61f6
commit 5179ff5fc9
Notes: sideshowbarker 2024-07-16 23:59:28 +09:00 
Author: https://github.com/skyrising
Commit: https://github.com/SerenityOS/serenity/commit/5179ff5fc9
Pull-request: https://github.com/SerenityOS/serenity/pull/21677
3 changed files with 25 additions and 22 deletions
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23
Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
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@ -544,4 +544,27 @@ IteratorRecord object_to_iterator(VM& vm, Object& object)
};
}
ThrowCompletionOr<NonnullGCPtr<Array>> iterator_to_array(VM& vm, Value iterator)
{
auto iterator_object = TRY(iterator.to_object(vm));
auto iterator_record = object_to_iterator(vm, iterator_object);
auto array = MUST(Array::create(*vm.current_realm(), 0));
size_t index = 0;
while (true) {
auto iterator_result = TRY(iterator_next(vm, iterator_record));
auto complete = TRY(iterator_complete(vm, iterator_result));
if (complete)
return array;
auto value = TRY(iterator_value(vm, iterator_result));
MUST(array->create_data_property_or_throw(index, value));
index++;
}
}
}

1
Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
View file

@ -37,5 +37,6 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> new_class(VM&, ClassExpression cons
ThrowCompletionOr<NonnullGCPtr<Object>> super_call_with_argument_array(VM&, Value argument_array, bool is_synthetic);
Object* iterator_to_object(VM&, IteratorRecord);
IteratorRecord object_to_iterator(VM&, Object&);
ThrowCompletionOr<NonnullGCPtr<Array>> iterator_to_array(VM&, Value iterator);
}

23
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
View file

@ -647,28 +647,7 @@ ThrowCompletionOr<void> ImportCall::execute_impl(Bytecode::Interpreter& interpre
ThrowCompletionOr<void> IteratorToArray::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
auto iterator_object = TRY(interpreter.accumulator().to_object(vm));
auto iterator = object_to_iterator(vm, iterator_object);
auto array = MUST(Array::create(interpreter.realm(), 0));
size_t index = 0;
while (true) {
auto iterator_result = TRY(iterator_next(vm, iterator));
auto complete = TRY(iterator_complete(vm, iterator_result));
if (complete) {
interpreter.accumulator() = array;
return {};
}
auto value = TRY(iterator_value(vm, iterator_result));
MUST(array->create_data_property_or_throw(index, value));
index++;
}
interpreter.accumulator() = TRY(iterator_to_array(interpreter.vm(), interpreter.accumulator()));
return {};
}