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LibJS: Make Script and Module GC-allocated

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This ensures that code currently in any active or saved execution stack
always stays alive.
This commit is contained in:
Andreas Kling 2022-09-05 14:31:25 +02:00
parent cb15132146
commit 00c8f07192
18 changed files with 145 additions and 89 deletions
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21
Userland/Libraries/LibJS/SourceTextModule.h
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@ -16,28 +16,21 @@ namespace JS {
// 16.2.1.6 Source Text Module Records, https://tc39.es/ecma262/#sec-source-text-module-records
class SourceTextModule final : public CyclicModule {
JS_CELL(SourceTextModule, CyclicModule);
public:
using ImportEntry = ImportStatement::ImportEntry;
using ExportEntry = ExportStatement::ExportEntry;
static Result<NonnullRefPtr<SourceTextModule>, Vector<Parser::Error>> parse(StringView source_text, Realm&, StringView filename = {});
static Result<NonnullGCPtr<SourceTextModule>, Vector<Parser::Error>> parse(StringView source_text, Realm&, StringView filename = {});
Program const& parse_node() const { return *m_ecmascript_code; }
virtual ThrowCompletionOr<Vector<FlyString>> get_exported_names(VM& vm, Vector<Module*> export_star_set) override;
virtual ThrowCompletionOr<ResolvedBinding> resolve_export(VM& vm, FlyString const& export_name, Vector<ResolvedBinding> resolve_set = {}) override;
Object* import_meta()
{
if (m_import_meta.is_null())
return nullptr;
return m_import_meta.cell();
}
void set_import_meta(Badge<MetaProperty>, Object* import_meta)
{
m_import_meta = make_handle(import_meta);
}
Object* import_meta() { return m_import_meta; }
void set_import_meta(Badge<MetaProperty>, Object* import_meta) { m_import_meta = import_meta; }
protected:
virtual ThrowCompletionOr<void> initialize_environment(VM& vm) override;
@ -49,9 +42,11 @@ private:
Vector<ExportEntry> indirect_export_entries, Vector<ExportEntry> star_export_entries,
RefPtr<ExportStatement> default_export);
virtual void visit_edges(Cell::Visitor&) override;
NonnullRefPtr<Program> m_ecmascript_code; // [[ECMAScriptCode]]
ExecutionContext m_execution_context; // [[Context]]
Handle<Object> m_import_meta; // [[ImportMeta]]
GCPtr<Object> m_import_meta; // [[ImportMeta]]
Vector<ImportEntry> m_import_entries; // [[ImportEntries]]
Vector<ExportEntry> m_local_export_entries; // [[LocalExportEntries]]
Vector<ExportEntry> m_indirect_export_entries; // [[IndirectExportEntries]]