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d00b79568f
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021-2022, 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/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <LibJS/AST.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibJS/Parser.h>
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#include <LibJS/Runtime/Realm.h>
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namespace JS {
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// 16.1.4 Script Records, https://tc39.es/ecma262/#sec-script-records
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class Script
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: public RefCounted<Script>
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, public Weakable<Script> {
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public:
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struct HostDefined {
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virtual ~HostDefined() = default;
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};
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~Script() = default;
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static Result<NonnullRefPtr<Script>, Vector<Parser::Error>> parse(StringView source_text, Realm&, StringView filename = {}, HostDefined* = nullptr, size_t line_number_offset = 1);
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Realm& realm() { return *m_realm.cell(); }
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Program const& parse_node() const { return *m_parse_node; }
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HostDefined* host_defined() { return m_host_defined; }
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StringView filename() const { return m_filename; }
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private:
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Script(Realm&, StringView filename, NonnullRefPtr<Program>, HostDefined* = nullptr);
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// Handles are not safe unless we keep the VM alive.
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NonnullRefPtr<VM> m_vm;
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Handle<Realm> m_realm; // [[Realm]]
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NonnullRefPtr<Program> m_parse_node; // [[ECMAScriptCode]]
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// Needed for potential lookups of modules.
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String m_filename;
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HostDefined* m_host_defined { nullptr }; // [[HostDefined]]
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};
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}
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