jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021-2023, Andreas Kling <kling@serenityos.org>
3 * Copyright (c) 2022, David Tuin <davidot@serenityos.org>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#pragma once
9
10#include <LibJS/CyclicModule.h>
11#include <LibJS/Forward.h>
12#include <LibJS/Runtime/ExecutionContext.h>
13
14namespace JS {
15
16// 16.2.1.6 Source Text Module Records, https://tc39.es/ecma262/#sec-source-text-module-records
17class SourceTextModule final : public CyclicModule {
18 JS_CELL(SourceTextModule, CyclicModule);
19
20public:
21 static Result<NonnullGCPtr<SourceTextModule>, Vector<ParserError>> parse(StringView source_text, Realm&, StringView filename = {}, Script::HostDefined* host_defined = nullptr);
22
23 Program const& parse_node() const { return *m_ecmascript_code; }
24
25 virtual ThrowCompletionOr<Vector<DeprecatedFlyString>> get_exported_names(VM& vm, Vector<Module*> export_star_set) override;
26 virtual ThrowCompletionOr<ResolvedBinding> resolve_export(VM& vm, DeprecatedFlyString const& export_name, Vector<ResolvedBinding> resolve_set = {}) override;
27
28 Object* import_meta() { return m_import_meta; }
29 void set_import_meta(Badge<MetaProperty>, Object* import_meta) { m_import_meta = import_meta; }
30
31protected:
32 virtual ThrowCompletionOr<void> initialize_environment(VM& vm) override;
33 virtual ThrowCompletionOr<void> execute_module(VM& vm, GCPtr<PromiseCapability> capability) override;
34
35private:
36 SourceTextModule(Realm&, StringView filename, Script::HostDefined* host_defined, bool has_top_level_await, NonnullRefPtr<Program> body, Vector<ModuleRequest> requested_modules,
37 Vector<ImportEntry> import_entries, Vector<ExportEntry> local_export_entries,
38 Vector<ExportEntry> indirect_export_entries, Vector<ExportEntry> star_export_entries,
39 RefPtr<ExportStatement const> default_export);
40
41 virtual void visit_edges(Cell::Visitor&) override;
42
43 NonnullRefPtr<Program> m_ecmascript_code; // [[ECMAScriptCode]]
44 ExecutionContext m_execution_context; // [[Context]]
45 GCPtr<Object> m_import_meta; // [[ImportMeta]]
46 Vector<ImportEntry> m_import_entries; // [[ImportEntries]]
47 Vector<ExportEntry> m_local_export_entries; // [[LocalExportEntries]]
48 Vector<ExportEntry> m_indirect_export_entries; // [[IndirectExportEntries]]
49 Vector<ExportEntry> m_star_export_entries; // [[StarExportEntries]]
50
51 RefPtr<ExportStatement const> m_default_export; // Note: Not from the spec
52};
53
54}