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Implement import.meta spec(MetaProperty)

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Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2020-07-08 11:12:23 +09:00 • committed by Boram Bae
commit 6503fc0416
10 changed files with 144 additions and 38 deletions
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27
src/parser/Script.cpp
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@ -943,4 +943,31 @@ ModuleNamespaceObject* Script::getModuleNamespace(ExecutionState& state)
return moduleData()->m_namespace.value();
}
Object* Script::importMetaProperty(ExecutionState& state)
{
ASSERT(isModule());
// Let importMeta be module.[[ImportMeta]].
// If importMeta is empty, then
if (!moduleData()->m_importMeta) {
// Set importMeta to ! OrdinaryObjectCreate(null).
Object* importMeta = new Object(state, Object::PrototypeIsNull);
// Let importMetaValues be ! HostGetImportMetaProperties(module).
// For each Record { [[Key]], [[Value]] } p that is an element of importMetaValues, do
// Perform ! CreateDataPropertyOrThrow(importMeta, p.[[Key]], p.[[Value]]).
// Perform ! HostFinalizeImportMeta(importMeta, module).
importMeta->defineOwnProperty(state, state.context()->staticStrings().lazyURL(),
ObjectPropertyDescriptor(Value(src()), ObjectPropertyDescriptor::AllPresent));
// Set module.[[ImportMeta]] to importMeta.
moduleData()->m_importMeta = importMeta;
// Return importMeta.
return importMeta;
} else {
// Else,
// Assert: Type(importMeta) is Object.
// Return importMeta.
return moduleData()->m_importMeta.value();
}
}
}