mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-11-04 07:10:57 +00:00
35c9aa7c05
Now that the GC allocator is able to invoke Cell subclass constructors directly via friendship, we no longer need to keep them public. :^)
55 lines
2.6 KiB
C++
55 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibJS/Runtime/Environment.h>
|
|
|
|
namespace JS {
|
|
|
|
class GlobalEnvironment final : public Environment {
|
|
JS_ENVIRONMENT(GlobalEnvironment, Environment);
|
|
|
|
public:
|
|
virtual bool has_this_binding() const final { return true; }
|
|
virtual ThrowCompletionOr<Value> get_this_binding(VM&) const final;
|
|
|
|
virtual ThrowCompletionOr<bool> has_binding(FlyString const& name, Optional<size_t>* = nullptr) const override;
|
|
virtual ThrowCompletionOr<void> create_mutable_binding(VM&, FlyString const& name, bool can_be_deleted) override;
|
|
virtual ThrowCompletionOr<void> create_immutable_binding(VM&, FlyString const& name, bool strict) override;
|
|
virtual ThrowCompletionOr<void> initialize_binding(VM&, FlyString const& name, Value) override;
|
|
virtual ThrowCompletionOr<void> set_mutable_binding(VM&, FlyString const& name, Value, bool strict) override;
|
|
virtual ThrowCompletionOr<Value> get_binding_value(VM&, FlyString const& name, bool strict) override;
|
|
virtual ThrowCompletionOr<bool> delete_binding(VM&, FlyString const& name) override;
|
|
|
|
ObjectEnvironment& object_record() { return *m_object_record; }
|
|
Object& global_this_value() { return *m_global_this_value; }
|
|
DeclarativeEnvironment& declarative_record() { return *m_declarative_record; }
|
|
|
|
bool has_var_declaration(FlyString const& name) const;
|
|
bool has_lexical_declaration(FlyString const& name) const;
|
|
ThrowCompletionOr<bool> has_restricted_global_property(FlyString const& name) const;
|
|
ThrowCompletionOr<bool> can_declare_global_var(FlyString const& name) const;
|
|
ThrowCompletionOr<bool> can_declare_global_function(FlyString const& name) const;
|
|
ThrowCompletionOr<void> create_global_var_binding(FlyString const& name, bool can_be_deleted);
|
|
ThrowCompletionOr<void> create_global_function_binding(FlyString const& name, Value, bool can_be_deleted);
|
|
|
|
private:
|
|
GlobalEnvironment(Object&, Object& this_value);
|
|
|
|
virtual bool is_global_environment() const override { return true; }
|
|
virtual void visit_edges(Visitor&) override;
|
|
|
|
ObjectEnvironment* m_object_record { nullptr }; // [[ObjectRecord]]
|
|
Object* m_global_this_value { nullptr }; // [[GlobalThisValue]]
|
|
DeclarativeEnvironment* m_declarative_record { nullptr }; // [[DeclarativeRecord]]
|
|
Vector<FlyString> m_var_names; // [[VarNames]]
|
|
};
|
|
|
|
template<>
|
|
inline bool Environment::fast_is<GlobalEnvironment>() const { return is_global_environment(); }
|
|
|
|
}
|