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LibJS: Implement a more general InitializeHostDefinedRealm AO

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The existing implementation of this AO lives in Interpreter::create(),
which makes it impossible to use without also constructing an
Interpreter.

This patch adds a new Realm::initialize_host_defined_realm() and takes
the global object and global this customization steps as Function
callback objects. This will be used by LibWeb to create realms during
Document construction.
This commit is contained in:
Andreas Kling 2022-08-04 21:21:50 +02:00
parent e756b5450d
commit 8a03b17007
3 changed files with 78 additions and 10 deletions
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3
Userland/Libraries/LibJS/Runtime/Realm.h
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@ -26,8 +26,9 @@ public:
Realm() = default;
static Realm* create(VM&);
static ThrowCompletionOr<NonnullOwnPtr<ExecutionContext>> initialize_host_defined_realm(VM&, Function<Value(Realm&)> create_global_object, Function<Value(Realm&)> create_global_this_value);
void set_global_object(GlobalObject&, Object* this_value = nullptr);
void set_global_object(Value global_object, Value this_value);
[[nodiscard]] GlobalObject& global_object() const { return *m_global_object; }
[[nodiscard]] GlobalEnvironment& global_environment() const { return *m_global_environment; }