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LibWeb: Add scaffold for 'principal realm of realm'

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Allowing us to implement other AOs in terms of this one.
This commit is contained in:
Shannon Booth 2024-10-24 19:26:37 +13:00 • committed by Andrew Kaster
parent cdd78be2d3
commit f7a4d94b24
Notes: github-actions[bot] 2024-11-02 00:56:41 +00:00
2 changed files with 14 additions and 2 deletions
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15
Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
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@ -329,11 +329,22 @@ JS::Object& incumbent_global_object()
// https://whatpr.org/html/9893/webappapis.html#current-principal-realm
JS::Realm& current_principal_realm()
{
// FIXME: The current principal realm is the principal realm of the current realm.
auto& event_loop = HTML::main_thread_event_loop();
auto& vm = event_loop.vm();
return *vm.current_realm();
// The current principal realm is the principal realm of the current realm.
return principal_realm(*vm.current_realm());
}
// https://whatpr.org/html/9893/webappapis.html#concept-principal-realm-of-realm
JS::Realm& principal_realm(JS::Realm& realm)
{
// FIXME: 1. If realm.[[HostDefined]] is a synthetic realm settings object, then:
// FIXME: 1.1. Assert: realm is a synthetic realm.
// FIXME: 1.2. Set realm to the principal realm of realm.[[HostDefined]].
// FIXME: 2. Assert: realm.[[HostDefined]] is an environment settings object and realm is a principal realm.
// 3. Return realm.
return realm;
}
// https://html.spec.whatwg.org/multipage/webappapis.html#current-settings-object

1
Userland/Libraries/LibWeb/HTML/Scripting/Environments.h
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@ -149,6 +149,7 @@ JS::Object& incumbent_global_object();
JS::Realm& current_principal_realm();
EnvironmentSettingsObject& current_principal_settings_object();
JS::Realm& principal_realm(JS::Realm&);
JS::Object& current_principal_global_object();
JS::Realm& relevant_realm(JS::Object const&);
EnvironmentSettingsObject& relevant_settings_object(JS::Object const&);