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LibJS: Store and maintain an "execution generation" counter

This counter is increased each time a synchronous execution sequence
completes, and will allow us to emulate the abstract operations
AddToKeptObjects & ClearKeptObjects efficiently.
This commit is contained in:
Idan Horowitz 2021-06-12 17:32:54 +03:00 committed by Linus Groh
parent 8a739f986a
commit 6913f06b6f
4 changed files with 11 additions and 0 deletions

View file

@ -166,6 +166,9 @@ public:
bool underscore_is_last_value() const { return m_underscore_is_last_value; }
void set_underscore_is_last_value(bool b) { m_underscore_is_last_value = b; }
u32 execution_generation() const { return m_execution_generation; }
void finish_execution_generation() { ++m_execution_generation; }
void unwind(ScopeType type, FlyString label = {})
{
m_unwind_until = type;
@ -279,6 +282,8 @@ private:
Shape* m_scope_object_shape { nullptr };
bool m_underscore_is_last_value { false };
u32 m_execution_generation { 0 };
};
template<>