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64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/function-forms/rest-params-trailing-comma-early-error.case
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// - src/function-forms/syntax/cls-expr-async-gen-meth-static.template
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/*---
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description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class expression async generator method)
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esid: sec-class-definitions-runtime-semantics-evaluation
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features: [async-iteration]
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flags: [generated]
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negative:
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phase: parse
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type: SyntaxError
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info: |
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ClassExpression : class BindingIdentifieropt ClassTail
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1. If BindingIdentifieropt is not present, let className be undefined.
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2. Else, let className be StringValue of BindingIdentifier.
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3. Let value be the result of ClassDefinitionEvaluation of ClassTail
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with argument className.
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[...]
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14.5.14 Runtime Semantics: ClassDefinitionEvaluation
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21. For each ClassElement m in order from methods
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a. If IsStatic of m is false, then
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b. Else,
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Let status be the result of performing PropertyDefinitionEvaluation
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for m with arguments F and false.
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[...]
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Runtime Semantics: PropertyDefinitionEvaluation
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AsyncGeneratorMethod :
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async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
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{ AsyncGeneratorBody }
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1. Let propKey be the result of evaluating PropertyName.
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2. ReturnIfAbrupt(propKey).
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3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
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Otherwise let strict be false.
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4. Let scope be the running execution context's LexicalEnvironment.
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5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
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AsyncGeneratorBody, scope, strict).
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[...]
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Trailing comma in the parameters list
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14.1 Function Definitions
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FormalParameters[Yield, Await] :
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[empty]
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FunctionRestParameter[?Yield, ?Await]
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FormalParameterList[?Yield, ?Await]
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FormalParameterList[?Yield, ?Await] ,
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FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
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---*/
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$DONOTEVALUATE();
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0, class {
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static async *method(...a,) {
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}
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};
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