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LibJS: Lazily initialize most Realm instrinsic contructors/prototypes

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This changes Intrinsics to not initialize most of its constructors and
prototype right away. We still initialize a few that are needed before
some others are created, though we may eventually be able to "link"
dependencies at compile time to avoid this.
This commit is contained in:
Timothy Flynn 2022-11-23 12:55:31 -05:00 • committed by Andreas Kling
parent c54334c8e4
commit 4f08f2f581
2 changed files with 95 additions and 90 deletions
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52
Userland/Libraries/LibJS/Runtime/Intrinsics.h
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@ -60,38 +60,20 @@ public:
FunctionObject* throw_type_error_function() const { return m_throw_type_error_function; }
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ConstructorName* snake_name##_constructor() \
{ \
return m_##snake_name##_constructor; \
} \
Object* snake_name##_prototype() \
{ \
return m_##snake_name##_prototype; \
}
ConstructorName* snake_name##_constructor(); \
Object* snake_name##_prototype();
JS_ENUMERATE_BUILTIN_TYPES
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
Intl::ConstructorName* intl_##snake_name##_constructor() \
{ \
return m_intl_##snake_name##_constructor; \
} \
Object* intl_##snake_name##_prototype() \
{ \
return m_intl_##snake_name##_prototype; \
}
Intl::ConstructorName* intl_##snake_name##_constructor(); \
Object* intl_##snake_name##_prototype();
JS_ENUMERATE_INTL_OBJECTS
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
Temporal::ConstructorName* temporal_##snake_name##_constructor() \
{ \
return m_temporal_##snake_name##_constructor; \
} \
Object* temporal_##snake_name##_prototype() \
{ \
return m_temporal_##snake_name##_prototype; \
}
Temporal::ConstructorName* temporal_##snake_name##_constructor(); \
Object* temporal_##snake_name##_prototype();
JS_ENUMERATE_TEMPORAL_OBJECTS
#undef __JS_ENUMERATE
@ -112,12 +94,32 @@ public:
#undef __JS_ENUMERATE
private:
Intrinsics() = default;
Intrinsics(Realm& realm)
: m_realm(realm)
{
}
virtual void visit_edges(Visitor&) override;
void initialize_intrinsics(Realm&);
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
void initialize_##snake_name();
JS_ENUMERATE_BUILTIN_TYPES
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
void initialize_intl_##snake_name();
JS_ENUMERATE_INTL_OBJECTS
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
void initialize_temporal_##snake_name();
JS_ENUMERATE_TEMPORAL_OBJECTS
#undef __JS_ENUMERATE
Realm& m_realm;
Shape* m_empty_object_shape { nullptr };
Shape* m_new_object_shape { nullptr };
Shape* m_new_ordinary_function_prototype_object_shape { nullptr };