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/*
* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/RefCounted.h>
#include <LibJS/AST.h>
#include <LibJS/Heap/Handle.h>
#include <LibJS/Parser.h>
#include <LibJS/Runtime/Realm.h>
namespace JS {
// 16.1.4 Script Records, https://tc39.es/ecma262/#sec-script-records
class Script
: public RefCounted<Script>
, public Weakable<Script> {
public:
struct HostDefined {
virtual ~HostDefined() = default;
};
~Script() = default;
static Result<NonnullRefPtr<Script>, Vector<Parser::Error>> parse(StringView source_text, Realm&, StringView filename = {}, HostDefined* = nullptr, size_t line_number_offset = 1);
Realm& realm() { return *m_realm.cell(); }
Program const& parse_node() const { return *m_parse_node; }
HostDefined* host_defined() { return m_host_defined; }
StringView filename() const { return m_filename; }
private:
Script(Realm&, StringView filename, NonnullRefPtr<Program>, HostDefined* = nullptr);
// Handles are not safe unless we keep the VM alive.
NonnullRefPtr<VM> m_vm;
Handle<Realm> m_realm; // [[Realm]]
NonnullRefPtr<Program> m_parse_node; // [[ECMAScriptCode]]
// Needed for potential lookups of modules.
String m_filename;
HostDefined* m_host_defined { nullptr }; // [[HostDefined]]
};
}
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