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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/Environment.h>
#include <LibJS/Runtime/VM.h>
namespace JS {
class GlobalObject : public Object {
JS_OBJECT(GlobalObject, Object);
public:
explicit GlobalObject(Realm&);
virtual void initialize_global_object();
virtual ~GlobalObject() override;
Console& console() { return *m_console; }
Realm* associated_realm();
void set_associated_realm(Realm&);
Shape* empty_object_shape() { return m_empty_object_shape; }
Shape* new_object_shape() { return m_new_object_shape; }
Shape* new_ordinary_function_prototype_object_shape() { return m_new_ordinary_function_prototype_object_shape; }
// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct prototype
ProxyConstructor* proxy_constructor() { return m_proxy_constructor; }
// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct constructor
Object* async_from_sync_iterator_prototype() { return m_async_from_sync_iterator_prototype; }
Object* async_generator_prototype() { return m_async_generator_prototype; }
Object* generator_prototype() { return m_generator_prototype; }
// Alias for the AsyncGenerator Prototype Object used by the spec (%AsyncGeneratorFunction.prototype.prototype%)
Object* async_generator_function_prototype_prototype() { return m_async_generator_prototype; }
// Alias for the Generator Prototype Object used by the spec (%GeneratorFunction.prototype.prototype%)
Object* generator_function_prototype_prototype() { return m_generator_prototype; }
// Not included in JS_ENUMERATE_INTL_OBJECTS due to missing distinct constructor
Object* intl_segments_prototype() { return m_intl_segments_prototype; }
FunctionObject* array_prototype_values_function() const { return m_array_prototype_values_function; }
FunctionObject* date_constructor_now_function() const { return m_date_constructor_now_function; }
FunctionObject* eval_function() const { return m_eval_function; }
FunctionObject* json_parse_function() const { return m_json_parse_function; }
FunctionObject* object_prototype_to_string_function() const { return m_object_prototype_to_string_function; }
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; \
}
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; \
}
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; \
}
JS_ENUMERATE_TEMPORAL_OBJECTS
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name) \
Object* snake_name##_prototype() \
{ \
return m_##snake_name##_prototype; \
}
JS_ENUMERATE_ITERATOR_PROTOTYPES
#undef __JS_ENUMERATE
protected:
virtual void visit_edges(Visitor&) override;
template<typename ConstructorType>
void initialize_constructor(PropertyKey const&, ConstructorType*&, Object* prototype, PropertyAttributes = Attribute::Writable | Attribute::Configurable);
template<typename ConstructorType>
void add_constructor(PropertyKey const&, ConstructorType*&, Object* prototype);
private:
virtual bool is_global_object() const final { return true; }
JS_DECLARE_NATIVE_FUNCTION(gc);
JS_DECLARE_NATIVE_FUNCTION(is_nan);
JS_DECLARE_NATIVE_FUNCTION(is_finite);
JS_DECLARE_NATIVE_FUNCTION(parse_float);
JS_DECLARE_NATIVE_FUNCTION(parse_int);
JS_DECLARE_NATIVE_FUNCTION(eval);
JS_DECLARE_NATIVE_FUNCTION(encode_uri);
JS_DECLARE_NATIVE_FUNCTION(decode_uri);
JS_DECLARE_NATIVE_FUNCTION(encode_uri_component);
JS_DECLARE_NATIVE_FUNCTION(decode_uri_component);
JS_DECLARE_NATIVE_FUNCTION(escape);
JS_DECLARE_NATIVE_FUNCTION(unescape);
NonnullOwnPtr<Console> m_console;
WeakPtr<Realm> m_associated_realm;
Shape* m_empty_object_shape { nullptr };
Shape* m_new_object_shape { nullptr };
Shape* m_new_ordinary_function_prototype_object_shape { nullptr };
// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct prototype
ProxyConstructor* m_proxy_constructor { nullptr };
// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct constructor
Object* m_async_from_sync_iterator_prototype { nullptr };
Object* m_async_generator_prototype { nullptr };
Object* m_generator_prototype { nullptr };
// Not included in JS_ENUMERATE_INTL_OBJECTS due to missing distinct constructor
Object* m_intl_segments_prototype { nullptr };
FunctionObject* m_array_prototype_values_function { nullptr };
FunctionObject* m_date_constructor_now_function { nullptr };
FunctionObject* m_eval_function { nullptr };
FunctionObject* m_json_parse_function { nullptr };
FunctionObject* m_object_prototype_to_string_function { nullptr };
FunctionObject* m_throw_type_error_function { nullptr };
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ConstructorName* m_##snake_name##_constructor { nullptr }; \
Object* m_##snake_name##_prototype { nullptr };
JS_ENUMERATE_BUILTIN_TYPES
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
Intl::ConstructorName* m_intl_##snake_name##_constructor { nullptr }; \
Object* m_intl_##snake_name##_prototype { nullptr };
JS_ENUMERATE_INTL_OBJECTS
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
Temporal::ConstructorName* m_temporal_##snake_name##_constructor { nullptr }; \
Object* m_temporal_##snake_name##_prototype { nullptr };
JS_ENUMERATE_TEMPORAL_OBJECTS
#undef __JS_ENUMERATE
#define __JS_ENUMERATE(ClassName, snake_name) \
Object* m_##snake_name##_prototype { nullptr };
JS_ENUMERATE_ITERATOR_PROTOTYPES
#undef __JS_ENUMERATE
};
template<typename ConstructorType>
inline void GlobalObject::initialize_constructor(PropertyKey const& property_key, ConstructorType*& constructor, Object* prototype, PropertyAttributes attributes)
{
auto& vm = this->vm();
auto& realm = *associated_realm();
constructor = heap().allocate<ConstructorType>(realm, realm);
constructor->define_direct_property(vm.names.name, js_string(heap(), property_key.as_string()), Attribute::Configurable);
if (prototype)
prototype->define_direct_property(vm.names.constructor, constructor, attributes);
}
template<typename ConstructorType>
inline void GlobalObject::add_constructor(PropertyKey const& property_key, ConstructorType*& constructor, Object* prototype)
{
// Some constructors are pre-initialized separately.
if (!constructor)
initialize_constructor(property_key, constructor, prototype);
define_direct_property(property_key, constructor, Attribute::Writable | Attribute::Configurable);
}
inline GlobalObject* Shape::global_object() const
{
return &static_cast<GlobalObject&>(m_realm.global_object());
}
template<>
inline bool Object::fast_is<GlobalObject>() const { return is_global_object(); }
template<typename... Args>
[[nodiscard]] ALWAYS_INLINE ThrowCompletionOr<Value> Value::invoke(VM& vm, PropertyKey const& property_key, Args... args)
{
if constexpr (sizeof...(Args) > 0) {
MarkedVector<Value> arglist { vm.heap() };
(..., arglist.append(move(args)));
return invoke_internal(vm, property_key, move(arglist));
}
return invoke_internal(vm, property_key, Optional<MarkedVector<Value>> {});
}
}
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