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LibJS: Integrate Symbols into objects as valid keys

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This allows objects properties to be created for symbol keys in addition
to just plain strings/numbers
This commit is contained in:
Matthew Olsson 2020-07-07 21:38:46 -07:00 • committed by Andreas Kling
parent 9783a4936c
commit 7a1d485b19
14 changed files with 424 additions and 154 deletions
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37
Libraries/LibJS/Runtime/Object.h
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@ -68,12 +68,17 @@ public:
virtual bool inherits(const StringView& class_name) const { return class_name == this->class_name(); }
enum class GetOwnPropertyMode {
enum class GetOwnPropertyReturnMode {
Key,
Value,
KeyAndValue,
};
enum class GetOwnPropertyReturnType {
StringOnly,
SymbolOnly,
};
enum class PutOwnPropertyMode {
Put,
DefineProperty,
@ -84,26 +89,26 @@ public:
GlobalObject& global_object() const { return shape().global_object(); }
virtual Value get(PropertyName, Value receiver = {}) const;
virtual Value get(const PropertyName&, Value receiver = {}) const;
virtual bool has_property(PropertyName) const;
bool has_own_property(PropertyName) const;
virtual bool has_property(const PropertyName&) const;
bool has_own_property(const PropertyName&) const;
virtual bool put(PropertyName, Value, Value receiver = {});
virtual bool put(const PropertyName&, Value, Value receiver = {});
Value get_own_property(const Object& this_object, PropertyName, Value receiver) const;
Value get_own_properties(const Object& this_object, GetOwnPropertyMode, bool only_enumerable_properties = false) const;
virtual Optional<PropertyDescriptor> get_own_property_descriptor(PropertyName) const;
Value get_own_property_descriptor_object(PropertyName) const;
Value get_own_properties(const Object& this_object, GetOwnPropertyReturnMode, bool only_enumerable_properties = false, GetOwnPropertyReturnType = GetOwnPropertyReturnType::StringOnly) const;
virtual Optional<PropertyDescriptor> get_own_property_descriptor(const PropertyName&) const;
Value get_own_property_descriptor_object(const PropertyName&) const;
virtual bool define_property(const FlyString& property_name, const Object& descriptor, bool throw_exceptions = true);
bool define_property(PropertyName, Value value, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
bool define_accessor(PropertyName, Function& getter_or_setter, bool is_getter, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
virtual bool define_property(const StringOrSymbol& property_name, const Object& descriptor, bool throw_exceptions = true);
bool define_property(const PropertyName&, Value value, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
bool define_accessor(const PropertyName&, Function& getter_or_setter, bool is_getter, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
bool define_native_function(const FlyString& property_name, AK::Function<Value(Interpreter&, GlobalObject&)>, i32 length = 0, PropertyAttributes attributes = default_attributes);
bool define_native_property(const FlyString& property_name, AK::Function<Value(Interpreter&, GlobalObject&)> getter, AK::Function<void(Interpreter&, GlobalObject&, Value)> setter, PropertyAttributes attributes = default_attributes);
bool define_native_function(const StringOrSymbol& property_name, AK::Function<Value(Interpreter&, GlobalObject&)>, i32 length = 0, PropertyAttributes attributes = default_attributes);
bool define_native_property(const StringOrSymbol& property_name, AK::Function<Value(Interpreter&, GlobalObject&)> getter, AK::Function<void(Interpreter&, GlobalObject&, Value)> setter, PropertyAttributes attributes = default_attributes);
virtual Value delete_property(PropertyName);
virtual Value delete_property(const PropertyName&);
virtual bool is_array() const { return false; }
virtual bool is_date() const { return false; }
@ -140,7 +145,7 @@ public:
IndexedProperties& indexed_properties() { return m_indexed_properties; }
void set_indexed_property_elements(Vector<Value>&& values) { m_indexed_properties = IndexedProperties(move(values)); }
Value invoke(const FlyString& property_name, Optional<MarkedValueList> arguments = {});
Value invoke(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments = {});
protected:
enum class GlobalObjectTag { Tag };
@ -151,7 +156,7 @@ protected:
private:
virtual Value get_by_index(u32 property_index) const;
virtual bool put_by_index(u32 property_index, Value);
bool put_own_property(Object& this_object, const FlyString& property_name, Value, PropertyAttributes attributes, PutOwnPropertyMode = PutOwnPropertyMode::Put, bool throw_exceptions = true);
bool put_own_property(Object& this_object, const StringOrSymbol& property_name, Value, PropertyAttributes attributes, PutOwnPropertyMode = PutOwnPropertyMode::Put, bool throw_exceptions = true);
bool put_own_property_by_index(Object& this_object, u32 property_index, Value, PropertyAttributes attributes, PutOwnPropertyMode = PutOwnPropertyMode::Put, bool throw_exceptions = true);
Value call_native_property_getter(Object* this_object, Value property) const;