1682f0b760
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123 lines
4.3 KiB
C++
123 lines
4.3 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/ScopeObject.h>
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#include <LibJS/Runtime/VM.h>
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namespace JS {
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class GlobalObject : public ScopeObject {
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JS_OBJECT(GlobalObject, ScopeObject);
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public:
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explicit GlobalObject();
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virtual void initialize_global_object();
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virtual ~GlobalObject() override;
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virtual Optional<Variable> get_from_scope(const FlyString&) const override;
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virtual void put_to_scope(const FlyString&, Variable) override;
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virtual bool has_this_binding() const override;
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virtual Value get_this_binding(GlobalObject&) const override;
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Console& console() { return *m_console; }
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Shape* empty_object_shape() { return m_empty_object_shape; }
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Shape* new_object_shape() { return m_new_object_shape; }
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Shape* new_script_function_prototype_object_shape() { return m_new_script_function_prototype_object_shape; }
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// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct prototype
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ProxyConstructor* proxy_constructor() { return m_proxy_constructor; }
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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ConstructorName* snake_name##_constructor() { return m_##snake_name##_constructor; } \
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Object* snake_name##_prototype() { return m_##snake_name##_prototype; }
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JS_ENUMERATE_BUILTIN_TYPES
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#undef __JS_ENUMERATE
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#define __JS_ENUMERATE(ClassName, snake_name) \
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Object* snake_name##_prototype() { return m_##snake_name##_prototype; }
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JS_ENUMERATE_ITERATOR_PROTOTYPES
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#undef __JS_ENUMERATE
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protected:
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virtual void visit_edges(Visitor&) override;
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template<typename ConstructorType>
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void initialize_constructor(const FlyString& property_name, ConstructorType*&, Object* prototype);
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template<typename ConstructorType>
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void add_constructor(const FlyString& property_name, ConstructorType*&, Object* prototype);
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private:
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virtual bool is_global_object() const final { return true; }
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JS_DECLARE_NATIVE_FUNCTION(gc);
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JS_DECLARE_NATIVE_FUNCTION(is_nan);
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JS_DECLARE_NATIVE_FUNCTION(is_finite);
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JS_DECLARE_NATIVE_FUNCTION(parse_float);
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JS_DECLARE_NATIVE_FUNCTION(parse_int);
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JS_DECLARE_NATIVE_FUNCTION(eval);
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JS_DECLARE_NATIVE_FUNCTION(encode_uri);
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JS_DECLARE_NATIVE_FUNCTION(decode_uri);
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JS_DECLARE_NATIVE_FUNCTION(encode_uri_component);
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JS_DECLARE_NATIVE_FUNCTION(decode_uri_component);
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NonnullOwnPtr<Console> m_console;
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Shape* m_empty_object_shape { nullptr };
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Shape* m_new_object_shape { nullptr };
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Shape* m_new_script_function_prototype_object_shape { nullptr };
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// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct prototype
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ProxyConstructor* m_proxy_constructor { nullptr };
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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ConstructorName* m_##snake_name##_constructor { nullptr }; \
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Object* m_##snake_name##_prototype { nullptr };
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JS_ENUMERATE_BUILTIN_TYPES
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#undef __JS_ENUMERATE
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#define __JS_ENUMERATE(ClassName, snake_name) \
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Object* m_##snake_name##_prototype { nullptr };
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JS_ENUMERATE_ITERATOR_PROTOTYPES
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#undef __JS_ENUMERATE
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};
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template<typename ConstructorType>
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inline void GlobalObject::initialize_constructor(const FlyString& property_name, ConstructorType*& constructor, Object* prototype)
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{
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auto& vm = this->vm();
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constructor = heap().allocate<ConstructorType>(*this, *this);
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constructor->define_property(vm.names.name, js_string(heap(), property_name), Attribute::Configurable);
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if (vm.exception())
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return;
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if (prototype) {
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prototype->define_property(vm.names.constructor, constructor, Attribute::Writable | Attribute::Configurable);
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if (vm.exception())
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return;
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}
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}
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template<typename ConstructorType>
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inline void GlobalObject::add_constructor(const FlyString& property_name, ConstructorType*& constructor, Object* prototype)
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{
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initialize_constructor(property_name, constructor, prototype);
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define_property(property_name, constructor, Attribute::Writable | Attribute::Configurable);
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}
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inline GlobalObject* Shape::global_object() const
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{
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return static_cast<GlobalObject*>(m_global_object);
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}
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template<>
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inline bool Object::fast_is<GlobalObject>() const { return is_global_object(); }
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}
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