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Editorial: eliminate extra verbosity with %GeneratorPrototype% references #3460

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Oct 31, 2024
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Editorial: eliminate extra verbosity with %GeneratorPrototype% references #3460

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30 changes: 15 additions & 15 deletions spec.html
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Original file line number Diff line number Diff line change
Expand Up @@ -7274,7 +7274,7 @@ <h1>
1. Perform ? GeneratorYield(CreateIteratorResultObject(_E_, *false*)).
1. Return NormalCompletion(*undefined*).
1. Let _iterator_ be CreateIteratorFromClosure(_closure_, ~empty~, %Iterator.prototype%).
1. Return the Iterator Record { [[Iterator]]: _iterator_, [[NextMethod]]: %GeneratorFunction.prototype.prototype.next%, [[Done]]: *false* }.
1. Return the Iterator Record { [[Iterator]]: _iterator_, [[NextMethod]]: %GeneratorPrototype.next%, [[Done]]: *false* }.
</emu-alg>
<emu-note>
<p>The list iterator object is never directly accessible to ECMAScript code.</p>
Expand Down Expand Up @@ -23980,7 +23980,7 @@ <h1>
1. Let _closure_ be OrdinaryFunctionCreate(%GeneratorFunction.prototype%, _sourceText_, |UniqueFormalParameters|, |GeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform MakeMethod(_closure_, _object_).
1. Perform SetFunctionName(_closure_, _propKey_).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return ? DefineMethodProperty(_object_, _propKey_, _closure_, _enumerable_).
</emu-alg>
Expand All @@ -23995,7 +23995,7 @@ <h1>
1. Let _closure_ be OrdinaryFunctionCreate(%AsyncGeneratorFunction.prototype%, _sourceText_, |UniqueFormalParameters|, |AsyncGeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform MakeMethod(_closure_, _object_).
1. Perform SetFunctionName(_closure_, _propKey_).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return ? DefineMethodProperty(_object_, _propKey_, _closure_, _enumerable_).
</emu-alg>
Expand Down Expand Up @@ -24115,7 +24115,7 @@ <h1>
<emu-grammar>GeneratorBody : FunctionBody</emu-grammar>
<emu-alg>
1. Perform ? FunctionDeclarationInstantiation(_functionObject_, _argumentsList_).
1. Let _G_ be ? OrdinaryCreateFromConstructor(_functionObject_, *"%GeneratorFunction.prototype.prototype%"*, « [[GeneratorState]], [[GeneratorContext]], [[GeneratorBrand]] »).
1. Let _G_ be ? OrdinaryCreateFromConstructor(_functionObject_, *"%GeneratorPrototype%"*, « [[GeneratorState]], [[GeneratorContext]], [[GeneratorBrand]] »).
1. Set _G_.[[GeneratorBrand]] to ~empty~.
1. Set _G_.[[GeneratorState]] to ~suspended-start~.
1. Perform GeneratorStart(_G_, |FunctionBody|).
Expand All @@ -24138,7 +24138,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |GeneratorDeclaration|.
1. Let _F_ be OrdinaryFunctionCreate(%GeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |GeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_F_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _F_.
</emu-alg>
Expand All @@ -24147,7 +24147,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |GeneratorDeclaration|.
1. Let _F_ be OrdinaryFunctionCreate(%GeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |GeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_F_, *"default"*).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _F_.
</emu-alg>
Expand All @@ -24172,7 +24172,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |GeneratorExpression|.
1. Let _closure_ be OrdinaryFunctionCreate(%GeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |GeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_closure_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _closure_.
</emu-alg>
Expand All @@ -24187,7 +24187,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |GeneratorExpression|.
1. Let _closure_ be OrdinaryFunctionCreate(%GeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |GeneratorBody|, ~non-lexical-this~, _funcEnv_, _privateEnv_).
1. Perform SetFunctionName(_closure_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Perform ! _funcEnv_.InitializeBinding(_name_, _closure_).
1. Return _closure_.
Expand Down Expand Up @@ -24343,7 +24343,7 @@ <h1>
</emu-grammar>
<emu-alg>
1. Perform ? FunctionDeclarationInstantiation(_functionObject_, _argumentsList_).
1. Let _generator_ be ? OrdinaryCreateFromConstructor(_functionObject_, *"%AsyncGeneratorFunction.prototype.prototype%"*, « [[AsyncGeneratorState]], [[AsyncGeneratorContext]], [[AsyncGeneratorQueue]], [[GeneratorBrand]] »).
1. Let _generator_ be ? OrdinaryCreateFromConstructor(_functionObject_, *"%AsyncGeneratorPrototype%"*, « [[AsyncGeneratorState]], [[AsyncGeneratorContext]], [[AsyncGeneratorQueue]], [[GeneratorBrand]] »).
1. Set _generator_.[[GeneratorBrand]] to ~empty~.
1. Set _generator_.[[AsyncGeneratorState]] to ~suspended-start~.
1. Perform AsyncGeneratorStart(_generator_, |FunctionBody|).
Expand All @@ -24368,7 +24368,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |AsyncGeneratorDeclaration|.
1. Let _F_ be OrdinaryFunctionCreate(%AsyncGeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |AsyncGeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_F_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _F_.
</emu-alg>
Expand All @@ -24379,7 +24379,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |AsyncGeneratorDeclaration|.
1. Let _F_ be OrdinaryFunctionCreate(%AsyncGeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |AsyncGeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_F_, *"default"*).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _F_.
</emu-alg>
Expand All @@ -24406,7 +24406,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |AsyncGeneratorExpression|.
1. Let _closure_ be OrdinaryFunctionCreate(%AsyncGeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |AsyncGeneratorBody|, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_closure_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Return _closure_.
</emu-alg>
Expand All @@ -24423,7 +24423,7 @@ <h1>
1. Let _sourceText_ be the source text matched by |AsyncGeneratorExpression|.
1. Let _closure_ be OrdinaryFunctionCreate(%AsyncGeneratorFunction.prototype%, _sourceText_, |FormalParameters|, |AsyncGeneratorBody|, ~non-lexical-this~, _funcEnv_, _privateEnv_).
1. Perform SetFunctionName(_closure_, _name_).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_closure_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Perform ! _funcEnv_.InitializeBinding(_name_, _closure_).
1. Return _closure_.
Expand Down Expand Up @@ -30510,10 +30510,10 @@ <h1>
1. Let _F_ be OrdinaryFunctionCreate(_proto_, _sourceText_, _parameters_, _body_, ~non-lexical-this~, _env_, _privateEnv_).
1. Perform SetFunctionName(_F_, *"anonymous"*).
1. If _kind_ is ~generator~, then
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%GeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Else if _kind_ is ~async-generator~, then
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorFunction.prototype.prototype%).
1. Let _prototype_ be OrdinaryObjectCreate(%AsyncGeneratorPrototype%).
1. Perform ! DefinePropertyOrThrow(_F_, *"prototype"*, PropertyDescriptor { [[Value]]: _prototype_, [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *false* }).
1. Else if _kind_ is ~normal~, then
1. Perform MakeConstructor(_F_).
Expand Down
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