Refactor [In] production parameter tracking #11930
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JLHwung
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JLHwung
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Aug 7, 2020
| @@ -2049,7 +2057,12 @@ export default class ExpressionParser extends LValParser { | |||
| trailingCommaPos: ?number, | |||
| ): N.ArrowFunctionExpression { | |||
| this.scope.enter(SCOPE_FUNCTION | SCOPE_ARROW); | |||
| this.prodParam.enter(functionFlags(isAsync, false)); | |||
| let flags = functionFlags(isAsync, false); | |||
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We need to inherit [In] when the arrow function body is {-less (concise body).
nicolo-ribaudo
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Aug 8, 2020
JLHwung
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Aug 8, 2020
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This PR is a follow-up to #10956. In this PR we remove the
noInpassed down toparseMaybeAssignand replace it withthis.prodParam.hasIn, which is only set inparseMaybeAssignAllowIn,parseMaybeAssignDisallowInandparseExpression. This aligns to the fact that in the spec[+In]and[~In]exist only inAssignmentExpressionandExpression.Blocks #11931.