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LibJS+LibWeb: Add JS::Object::inherits(class_name)
To allow implementing the DOM class hierarchy in JS bindings, this patch adds an inherits() function that can be used to ask an Object if it inherits from a specific C++ class (by name). The necessary overrides are baked into each Object subclass by the new JS_OBJECT macro, which works similarly to C_OBJECT in LibCore. Thanks to @Dexesttp for suggesting this approach. :^)
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57 changed files with 122 additions and 106 deletions
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@ -37,20 +37,14 @@ namespace Bindings {
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class Wrapper
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: public JS::Object
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, public Weakable<Wrapper> {
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public:
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virtual bool is_event_target_wrapper() const { return false; }
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virtual bool is_node_wrapper() const { return false; }
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virtual bool is_document_wrapper() const { return false; }
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virtual bool is_element_wrapper() const { return false; }
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virtual bool is_htmlelement_wrapper() const { return false; }
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JS_OBJECT(Wrapper, JS::Object);
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public:
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protected:
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explicit Wrapper(Object& prototype)
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: Object(&prototype)
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{
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}
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virtual bool is_web_wrapper() const final { return true; }
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};
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}
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