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LibJS: Add fast_is<T> for StringObject and GlobalObject
Both of these are quite hot in profiles.
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3 changed files with 14 additions and 0 deletions
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@ -76,6 +76,8 @@ protected:
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void add_constructor(const FlyString& property_name, ConstructorType*&, Object* prototype);
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private:
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virtual bool is_global_object() const final { return true; }
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JS_DECLARE_NATIVE_FUNCTION(gc);
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JS_DECLARE_NATIVE_FUNCTION(is_nan);
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JS_DECLARE_NATIVE_FUNCTION(is_finite);
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@ -131,4 +133,7 @@ inline GlobalObject* Shape::global_object() const
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return static_cast<GlobalObject*>(m_global_object);
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}
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template<>
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inline bool Object::fast_is<GlobalObject>() const { return is_global_object(); }
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}
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@ -112,6 +112,8 @@ public:
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virtual bool is_array() const { return false; }
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virtual bool is_function() const { return false; }
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virtual bool is_typed_array() const { return false; }
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virtual bool is_string_object() const { return false; }
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virtual bool is_global_object() const { return false; }
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virtual const char* class_name() const override { return "Object"; }
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virtual void visit_edges(Cell::Visitor&) override;
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@ -152,6 +154,9 @@ public:
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void enable_transitions() { m_transitions_enabled = true; }
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void disable_transitions() { m_transitions_enabled = false; }
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template<typename T>
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bool fast_is() const = delete;
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protected:
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enum class GlobalObjectTag { Tag };
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enum class ConstructWithoutPrototypeTag { Tag };
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@ -46,9 +46,13 @@ public:
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}
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private:
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virtual bool is_string_object() const final { return true; }
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virtual void visit_edges(Visitor&) override;
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PrimitiveString& m_string;
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};
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template<>
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inline bool Object::fast_is<StringObject>() const { return is_string_object(); }
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}
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