mirror of
https://github.com/RGBCube/serenity
synced 2025-05-16 15:54:58 +00:00
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibJS/Runtime/Object.h>
|
|
|
|
namespace JS {
|
|
|
|
struct Variable {
|
|
Value value;
|
|
DeclarationKind declaration_kind;
|
|
};
|
|
|
|
class EnvironmentRecord : public Object {
|
|
JS_OBJECT(EnvironmentRecord, Object);
|
|
|
|
public:
|
|
virtual Optional<Variable> get_from_scope(FlyString const&) const = 0;
|
|
virtual void put_to_scope(FlyString const&, Variable) = 0;
|
|
virtual bool delete_from_scope(FlyString const&) = 0;
|
|
virtual bool has_this_binding() const = 0;
|
|
virtual Value get_this_binding(GlobalObject&) const = 0;
|
|
|
|
// [[OuterEnv]]
|
|
EnvironmentRecord* outer_environment() { return m_outer_environment; }
|
|
EnvironmentRecord const* outer_environment() const { return m_outer_environment; }
|
|
|
|
protected:
|
|
explicit EnvironmentRecord(EnvironmentRecord* parent);
|
|
explicit EnvironmentRecord(GlobalObjectTag);
|
|
|
|
virtual void visit_edges(Visitor&) override;
|
|
|
|
private:
|
|
EnvironmentRecord* m_outer_environment { nullptr };
|
|
};
|
|
|
|
}
|