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LibJS: Use FlyString for identifiers

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This makes variable and property lookups a lot faster since comparing
two FlyStrings is O(1).
This commit is contained in:
Andreas Kling
2020-03-22 11:07:55 +01:00
parent 4f72f6b886
commit cccbe43056
19 changed files with 67 additions and 57 deletions
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16
Libraries/LibJS/Runtime/Object.h
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@@ -40,14 +40,14 @@ public:
Object();
virtual ~Object();
Value get(const String& property_name) const;
void put(const String& property_name, Value);
Value get(const FlyString& property_name) const;
void put(const FlyString& property_name, Value);
virtual Optional<Value> get_own_property(const String& property_name) const;
virtual bool put_own_property(const String& property_name, Value);
virtual Optional<Value> get_own_property(const FlyString& property_name) const;
virtual bool put_own_property(const FlyString& property_name, Value);
void put_native_function(String property_name, AK::Function<Value(Object*, Vector<Value>)>);
void put_native_property(String property_name, AK::Function<Value(Object*)> getter, AK::Function<void(Object*, Value)> setter);
void put_native_function(const FlyString& property_name, AK::Function<Value(Object*, Vector<Value>)>);
void put_native_property(const FlyString& property_name, AK::Function<Value(Object*)> getter, AK::Function<void(Object*, Value)> setter);
virtual bool is_array() const { return false; }
virtual bool is_function() const { return false; }
@@ -62,7 +62,7 @@ public:
const Object* prototype() const { return m_prototype; }
void set_prototype(Object* prototype) { m_prototype = prototype; }
bool has_own_property(const String& property_name) const;
bool has_own_property(const FlyString& property_name) const;
enum class PreferredType {
Default,
String,
@@ -74,7 +74,7 @@ public:
virtual Value to_string() const;
private:
HashMap<String, Value> m_properties;
HashMap<FlyString, Value> m_properties;
Object* m_prototype { nullptr };
};