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LibJS: Implement the import assertions proposal
The hard part of parsing them in import statements and calls was already done so this is just removing some check which threw before on assertions. And filtering the assertions based on the result of a new host hook.
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11 changed files with 270 additions and 83 deletions
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@ -38,6 +38,25 @@ struct PromiseCapability {
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_temporary_try_or_reject_result.release_value(); \
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})
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// 27.2.1.1.1 IfAbruptRejectPromise ( value, capability ), https://tc39.es/ecma262/#sec-ifabruptrejectpromise
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#define TRY_OR_REJECT_WITH_VALUE(global_object, capability, expression) \
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({ \
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auto _temporary_try_or_reject_result = (expression); \
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/* 1. If value is an abrupt completion, then */ \
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if (_temporary_try_or_reject_result.is_error()) { \
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global_object.vm().clear_exception(); \
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\
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/* a. Perform ? Call(capability.[[Reject]], undefined, « value.[[Value]] »). */ \
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TRY(JS::call(global_object, *capability.reject, js_undefined(), *_temporary_try_or_reject_result.release_error().value())); \
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\
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/* b. Return capability.[[Promise]]. */ \
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return Value { capability.promise }; \
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} \
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\
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/* 2. Else if value is a Completion Record, set value to value.[[Value]]. */ \
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_temporary_try_or_reject_result.release_value(); \
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})
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// 27.2.1.5 NewPromiseCapability ( C ), https://tc39.es/ecma262/#sec-newpromisecapability
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ThrowCompletionOr<PromiseCapability> new_promise_capability(GlobalObject& global_object, Value constructor);
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