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LibJS: Make Script and Module GC-allocated

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

View file

@ -25,6 +25,8 @@ enum class ModuleStatus {
// 16.2.1.5 Cyclic Module Records, https://tc39.es/ecma262/#sec-cyclic-module-records
class CyclicModule : public Module {
JS_CELL(CyclicModule, Module);
public:
// Note: Do not call these methods directly unless you are HostResolveImportedModule.
// Badges cannot be used because other hosts must be able to call this (and it is called recursively)
@ -34,6 +36,8 @@ public:
protected:
CyclicModule(Realm& realm, StringView filename, bool has_top_level_await, Vector<ModuleRequest> requested_modules);
virtual void visit_edges(Cell::Visitor&) override;
virtual ThrowCompletionOr<u32> inner_module_linking(VM& vm, Vector<Module*>& stack, u32 index) override;
virtual ThrowCompletionOr<u32> inner_module_evaluation(VM& vm, Vector<Module*>& stack, u32 index) override;
@ -50,7 +54,7 @@ protected:
Optional<u32> m_dfs_index; // [[DFSIndex]]
Optional<u32> m_dfs_ancestor_index; // [[DFSAncestorIndex]]
Vector<ModuleRequest> m_requested_modules; // [[RequestedModules]]
CyclicModule* m_cycle_root; // [[CycleRoot]]
CyclicModule* m_cycle_root { nullptr }; // [[CycleRoot]]
bool m_has_top_level_await { false }; // [[HasTLA]]
bool m_async_evaluation { false }; // [[AsyncEvaluation]]
Optional<PromiseCapability> m_top_level_capability; // [[TopLevelCapability]]