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https://github.com/RGBCube/serenity
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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
68 lines
1.4 KiB
C++
68 lines
1.4 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 <AK/Format.h>
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#include <AK/Forward.h>
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#include <AK/Noncopyable.h>
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#include <AK/String.h>
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#include <AK/TypeCasts.h>
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#include <LibJS/Forward.h>
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namespace JS {
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class Cell {
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AK_MAKE_NONCOPYABLE(Cell);
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AK_MAKE_NONMOVABLE(Cell);
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public:
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virtual void initialize(GlobalObject&) { }
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virtual ~Cell() { }
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bool is_marked() const { return m_mark; }
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void set_marked(bool b) { m_mark = b; }
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bool is_live() const { return m_live; }
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void set_live(bool b) { m_live = b; }
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virtual const char* class_name() const = 0;
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class Visitor {
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public:
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void visit(Cell*);
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void visit(Value);
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protected:
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virtual void visit_impl(Cell*) = 0;
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virtual ~Visitor() = default;
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};
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virtual void visit_edges(Visitor&) { }
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Heap& heap() const;
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VM& vm() const;
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protected:
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Cell() { }
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private:
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bool m_mark { false };
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bool m_live { true };
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};
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}
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template<>
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struct AK::Formatter<JS::Cell> : AK::Formatter<FormatString> {
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void format(FormatBuilder& builder, const JS::Cell* cell)
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{
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if (!cell)
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Formatter<FormatString>::format(builder, "Cell{nullptr}");
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else
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Formatter<FormatString>::format(builder, "{}({})", cell->class_name(), cell);
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}
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};
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