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don't pass the protocol in {async,}iterator protoype helpers
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@michaelficarra
michaelficarra committed Jul 7, 2022
1 parent 8245018 commit fc2a343
Showing 1 changed file with 39 additions and 49 deletions.
88 changes: 39 additions & 49 deletions spec.html
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Expand Up @@ -443,15 +443,14 @@ <h1>Iterator.prototype.map ( _mapper_ )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. If IsCallable(_mapper_) is *false*, throw a *TypeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _mapper_ and performs the following steps when called:
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? IteratorStep(_iterated_, _lastValue_).
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _mapped_ be Completion(Call(_mapper_, *undefined*, &laquo; _value_ &raquo;)).
1. IfAbruptCloseIterator(_mapped_, _iterated_).
1. Set _lastValue_ to Completion(Yield(_mapped_)).
1. IfAbruptCloseIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_mapped_)).
1. IfAbruptCloseIterator(_completion_, _iterated_).
1. Return CreateIteratorFromClosure(_closure_, ~Iterator Helper~, %IteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -462,16 +461,15 @@ <h1>Iterator.prototype.filter ( _filterer_ )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. If IsCallable(_filterer_) is *false*, throw a *TypeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _filterer_ and performs the following steps when called:
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? IteratorStep(_iterated_, _lastValue_).
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _selected_ be Completion(Call(_filterer_, *undefined*, &laquo; _value_ &raquo;)).
1. IfAbruptCloseIterator(_selected_, _iterated_).
1. If ToBoolean(_selected_) is *true*, then
1. Set _lastValue_ to Completion(Yield(_value_)).
1. IfAbruptCloseIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_value_)).
1. IfAbruptCloseIterator(_completion_, _iterated_).
1. Return CreateIteratorFromClosure(_closure_, ~Iterator Helper~, %IteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -486,16 +484,15 @@ <h1>Iterator.prototype.take ( _limit_ )</h1>
1. If _integerLimit_ &lt; 0, throw a *RangeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _integerLimit_ and performs the following steps when called:
1. Let _remaining_ be _integerLimit_.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. If _remaining_ is 0, then
1. Return ? IteratorClose(_iterated_, NormalCompletion(*undefined*)).
1. If _remaining_ is not +∞, then
1. Set _remaining_ to _remaining_ - 1.
1. Let _next_ be ? IteratorStep(_iterated_, _lastValue_).
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Set _lastValue_ to Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseIterator(_completion_, _iterated_).
1. Return CreateIteratorFromClosure(_closure_, ~Iterator Helper~, %IteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -515,12 +512,11 @@ <h1>Iterator.prototype.drop ( _limit_ )</h1>
1. Set _remaining_ to _remaining_ - 1.
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? IteratorStep(_iterated_, _lastValue_).
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Set _lastValue_ to Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseIterator(_completion_, _iterated_).
1. Return CreateIteratorFromClosure(_closure_, ~Iterator Helper~, %IteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -531,15 +527,14 @@ <h1>Iterator.prototype.indexed ( )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and performs the following steps when called:
1. Let _index_ be 0.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? IteratorStep(_iterated_, _lastValue_).
1. Let _next_ be ? IteratorStep(_iterated_).
1. If _next_ is *false*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _pair_ be CreateArrayFromList(&laquo; _index_, _value_ &raquo;).
1. Set _index_ to _index_ + 1.
1. Set _lastValue_ to Completion(Yield(_pair_)).
1. IfAbruptCloseIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_pair_)).
1. IfAbruptCloseIterator(_completion_, _iterated_).
1. Return CreateIteratorFromClosure(_closure_, ~Iterator Helper~, %IteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -560,11 +555,10 @@ <h1>Iterator.prototype.flatMap ( _mapper_ )</h1>
1. IfAbruptCloseIterator(_innerIterator_, _iterated_).
1. Let _innerAlive_ be *true*.
1. Repeat, while _innerAlive_ is *true*,
1. Let _innerNext_ be Completion(IteratorNext(_innerIterator_)).
1. Let _innerNext_ be Completion(IteratorStep(_innerIterator_)).
1. IfAbruptCloseIterator(_innerNext_, _iterated_).
1. Let _innerComplete_ be Completion(IteratorComplete(_innerNext_)).
1. IfAbruptCloseIterator(_innerComplete_, _iterated_).
1. If _innerComplete_ is *true*, set _innerAlive_ to *false*.
1. If _innerNext_ is *false*, then
1. Set _innerAlive_ to *false*.
1. Else,
1. Let _innerValue_ be Completion(IteratorValue(_innerNext_)).
1. IfAbruptCloseIterator(_innerValue_, _iterated_).
Expand Down Expand Up @@ -697,17 +691,16 @@ <h1>AsyncIterator.prototype.map ( _mapper_ )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. If IsCallable(_mapper_) is *false*, throw a *TypeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _mapper_ and performs the following steps when called:
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? Await(? IteratorNext(_value_, _lastValue_)).
1. Let _next_ be ? Await(? IteratorNext(_value_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _mapped_ be Completion(Call(_mapper_, *undefined*, &laquo; _value_ &raquo;)).
1. IfAbruptCloseAsyncIterator(_mapped_, _iterated_).
1. Set _mapped_ to Await(_mapped_).
1. Set _mapped_ to Completion(Await(_mapped_)).
1. IfAbruptCloseAsyncIterator(_mapped_, _iterated_).
1. Set _lastValue_ to Completion(Yield(_mapped_)).
1. IfAbruptCloseAsyncIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_mapped_)).
1. IfAbruptCloseAsyncIterator(_completion_, _iterated_).
1. Return CreateAsyncIteratorFromClosure(_closure_, ~Async Iterator Helper~, %AsyncIteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -718,18 +711,17 @@ <h1>AsyncIterator.prototype.filter ( _filterer_ )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. If IsCallable(_filterer_) is *false*, throw a *TypeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _filterer_ and performs the following steps when called:
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? Await(? IteratorNext(_value_, _lastValue_)).
1. Let _next_ be ? Await(? IteratorNext(_value_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _selected_ be Completion(Call(_filterer_, *undefined*, &laquo; _value_ &raquo;)).
1. IfAbruptCloseAsyncIterator(_selected_, _iterated_).
1. Set _selected_ to Await(_selected_).
1. Set _selected_ to Completion(Await(_selected_)).
1. IfAbruptCloseAsyncIterator(_selected_, _iterated_).
1. If ToBoolean(_selected_) is *true*, then
1. Set _lastValue_ to Completion(Yield(_value_)).
1. IfAbruptCloseAsyncIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_value_)).
1. IfAbruptCloseAsyncIterator(_completion_, _iterated_).
1. Return CreateAsyncIteratorFromClosure(_closure_, ~Async Iterator Helper~, %AsyncIteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -744,16 +736,15 @@ <h1>AsyncIterator.prototype.take ( _limit_ )</h1>
1. If _integerLimit_ &lt; 0, throw a *RangeError* exception.
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and _integerLimit_ and performs the following steps when called:
1. Let _remaining_ be _integerLimit_.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. If _remaining_ is 0, then
1. Return ? AsyncIteratorClose(_iterated_, NormalCompletion(*undefined*)).
1. If _remaining_ is not +∞, then
1. Set _remaining_ to _remaining_ - 1.
1. Let _next_ be ? Await(? IteratorNext(_iterated_, _lastValue_)).
1. Let _next_ be ? Await(? IteratorNext(_iterated_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Set _lastValue_ to Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseAsyncIterator(_lastValue_, _iterated_).
1. Set _completion_ to Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseAsyncIterator(_completion_, _iterated_).
1. Return CreateAsyncIteratorFromClosure(_closure_, ~Async Iterator Helper~, %AsyncIteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -773,12 +764,11 @@ <h1>AsyncIterator.prototype.drop ( _limit_ )</h1>
1. Set _remaining_ to _remaining_ - 1.
1. Let _next_ be ? Await(? IteratorNext(_iterated_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? Await(? IteratorNext(_iterated_, _lastValue_)).
1. Let _next_ be ? Await(? IteratorNext(_iterated_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Set _lastValue_ to Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseAsyncIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(? IteratorValue(_next_))).
1. IfAbruptCloseAsyncIterator(_completion_, _iterated_).
1. Return CreateAsyncIteratorFromClosure(_closure_, ~Async Iterator Helper~, %AsyncIteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -789,15 +779,14 @@ <h1>AsyncIterator.prototype.indexed ( )</h1>
1. Let _iterated_ be ? GetIteratorDirect(*this* value).
1. Let _closure_ be a new Abstract Closure with no parameters that captures _iterated_ and performs the following steps when called:
1. Let _index_ be 0.
1. Let _lastValue_ be *undefined*.
1. Repeat,
1. Let _next_ be ? Await(? IteratorNext(_iterated_, _lastValue_)).
1. Let _next_ be ? Await(? IteratorNext(_iterated_)).
1. If ? IteratorComplete(_next_) is *true*, return *undefined*.
1. Let _value_ be ? IteratorValue(_next_).
1. Let _pair_ be CreateArrayFromList(&laquo; _index_, _value_ &raquo;).
1. Set _index_ to _index_ + 1.
1. Set _lastValue_ to Completion(Yield(_pair_)).
1. IfAbruptCloseAsyncIterator(_lastValue_, _iterated_).
1. Let _completion_ be Completion(Yield(_pair_)).
1. IfAbruptCloseAsyncIterator(_completion_, _iterated_).
1. Return CreateAsyncIteratorFromClosure(_closure_, ~Async Iterator Helper~, %AsyncIteratorHelperPrototype%).
</emu-alg>
</emu-clause>
Expand All @@ -815,19 +804,20 @@ <h1>AsyncIterator.prototype.flatMap ( _mapper_ )</h1>
1. Let _value_ be ? IteratorValue(_next_).
1. Let _mapped_ be Completion(Call(_mapper_, *undefined*, &laquo; _value_ &raquo;)).
1. IfAbruptCloseAsyncIterator(_mapped_, _iterated_).
1. Set _mapped_ to Await(_mapped_).
1. Set _mapped_ to Completion(Await(_mapped_)).
1. IfAbruptCloseAsyncIterator(_mapped_, _iterated_).
1. Let _innerIterator_ be Completion(GetIterator(_mapped_, ~async~)).
1. IfAbruptCloseAsyncIterator(_innerIterator_, _iterated_).
1. Let _innerAlive_ be *true*.
1. Repeat, while _innerAlive_ is *true*,
1. Let _innerNextPromise_ be Completion(IteratorNext(_innerIterator_)).
1. IfAbruptCloseAsyncIterator(_innerNextPromise_, _iterated_).
1. Let _innerNext_ be Await(_innerNextPromise_).
1. Let _innerNext_ be Completion(Await(_innerNextPromise_)).
1. IfAbruptCloseAsyncIterator(_innerNext_, _iterated_).
1. Let _innerComplete_ be Completion(IteratorComplete(_innerNext_)).
1. IfAbruptCloseAsyncIterator(_innerComplete_, _iterated_).
1. If _innerComplete_ is *true*, set _innerAlive_ to *false*.
1. If _innerComplete_ is *true*, then
1. Set _innerAlive_ to *false*.
1. Else,
1. Let _innerValue_ be Completion(IteratorValue(_innerNext_)).
1. IfAbruptCloseAsyncIterator(_innerValue_, _iterated_).
Expand Down

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