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LibWeb: Construct the IDL interface prototype chains automatically

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Have each IDL prototype trigger the construction of its own prototype.
This commit is contained in:
Andreas Kling 2021-01-18 11:36:34 +01:00
parent ee7fa49b88
commit 630cbc947a
3 changed files with 47 additions and 11 deletions
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25
Userland/Libraries/LibWeb/Bindings/WindowObject.h
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@ -55,8 +55,29 @@ public:
JS::Object* web_prototype(const String& class_name) { return m_prototypes.get(class_name).value_or(nullptr); }
JS::NativeFunction* web_constructor(const String& class_name) { return m_constructors.get(class_name).value_or(nullptr); }
void set_web_prototype(const String& class_name, JS::Object* prototype) { m_prototypes.set(class_name, prototype); }
void set_web_constructor(const String& class_name, JS::NativeFunction* constructor) { m_constructors.set(class_name, constructor); }
template<typename T>
JS::Object& ensure_web_prototype(const String& class_name)
{
auto it = m_prototypes.find(class_name);
if (it != m_prototypes.end())
return *it->value;
auto* prototype = heap().allocate<T>(*this, *this);
m_prototypes.set(class_name, prototype);
return *prototype;
}
template<typename T>
JS::NativeFunction& ensure_web_constructor(const String& class_name)
{
auto it = m_constructors.find(class_name);
if (it != m_constructors.end())
return *it->value;
auto* constructor = heap().allocate<T>(*this, *this);
m_constructors.set(class_name, constructor);
define_property(class_name, constructor, JS::Attribute::Writable | JS::Attribute::Configurable);
return *constructor;
}
private:
virtual const char* class_name() const override { return "WindowObject"; }