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LibJS: Simplify and normalize publicly-exposed Object functions
Previously, the Object class had many different types of functions for each action. For example: get_by_index, get(PropertyName), get(FlyString). This is a bit verbose, so these methods have been shortened to simply use the PropertyName structure. The methods then internally call _by_index if necessary. Note that the _by_index have been made private to enforce this change. Secondly, a clear distinction has been made between "putting" and "defining" an object property. "Putting" should mean modifying a (potentially) already existing property. This is akin to doing "a.b = 'foo'". This implies two things about put operations: - They will search the prototype chain for setters and call them, if necessary. - If no property exists with a particular key, the put operation should create a new property with the default attributes (configurable, writable, and enumerable). In contrast, "defining" a property should completely overwrite any existing value without calling setters (if that property is configurable, of course). Thus, all of the many JS objects have had any "put" calls changed to "define_property" calls. Additionally, "put_native_function" and "put_native_property" have had their "put" replaced with "define". Finally, "put_own_property" has been made private, as all necessary functionality should be exposed with the put and define_property methods.
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45 changed files with 501 additions and 417 deletions
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@ -32,15 +32,15 @@ namespace JS {
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class Uint8ClampedArray final : public Object {
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public:
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static Uint8ClampedArray* create(GlobalObject&, i32 length);
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static Uint8ClampedArray* create(GlobalObject&, u32 length);
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Uint8ClampedArray(i32 length, Object& prototype);
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Uint8ClampedArray(u32 length, Object& prototype);
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virtual ~Uint8ClampedArray() override;
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i32 length() const { return m_length; }
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virtual bool put_by_index(i32 property_index, Value value, u8 attribute = default_attributes) override;
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virtual Value get_by_index(i32 property_index) const override;
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virtual bool put_by_index(u32 property_index, Value value) override;
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virtual Value get_by_index(u32 property_index) const override;
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u8* data() { return m_data; }
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const u8* data() const { return m_data; }
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@ -52,7 +52,7 @@ private:
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static Value length_getter(Interpreter&);
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u8* m_data { nullptr };
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i32 m_length { 0 };
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u32 m_length { 0 };
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};
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}
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