41 lines
953 B
C++
41 lines
953 B
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/Runtime/Object.h>
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namespace JS {
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struct Variable {
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Value value;
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DeclarationKind declaration_kind;
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};
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class ScopeObject : public Object {
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JS_OBJECT(ScopeObject, Object);
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public:
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virtual Optional<Variable> get_from_scope(const FlyString&) const = 0;
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virtual void put_to_scope(const FlyString&, Variable) = 0;
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virtual bool delete_from_scope(FlyString const&) = 0;
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virtual bool has_this_binding() const = 0;
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virtual Value get_this_binding(GlobalObject&) const = 0;
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ScopeObject* parent() { return m_parent; }
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const ScopeObject* parent() const { return m_parent; }
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protected:
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explicit ScopeObject(ScopeObject* parent);
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explicit ScopeObject(GlobalObjectTag);
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virtual void visit_edges(Visitor&) override;
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private:
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ScopeObject* m_parent { nullptr };
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};
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}
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