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LibJS: Move native objects towards two-pass construction
To make sure that everything is set up correctly in objects before we start adding properties to them, we split cell allocation into 3 steps: 1. Allocate a cell of appropriate size from the Heap 2. Call the C++ constructor on the cell 3. Call initialize() on the constructed object The job of initialize() is to define all the initial properties. Doing it in a second pass guarantees that the Object has a valid Shape and can find its own GlobalObject.
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83 changed files with 295 additions and 167 deletions
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@ -33,7 +33,8 @@ namespace JS {
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class ErrorConstructor final : public NativeFunction {
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public:
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ErrorConstructor();
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explicit ErrorConstructor(GlobalObject&);
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virtual void initialize(Interpreter&, GlobalObject&) override;
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virtual ~ErrorConstructor() override;
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virtual Value call(Interpreter&) override;
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@ -47,7 +48,8 @@ private:
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#define DECLARE_ERROR_SUBCLASS_CONSTRUCTOR(ClassName, snake_name, PrototypeName, ConstructorName) \
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class ConstructorName final : public NativeFunction { \
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public: \
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ConstructorName(); \
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explicit ConstructorName(GlobalObject&); \
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virtual void initialize(Interpreter&, GlobalObject&) override; \
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virtual ~ConstructorName() override; \
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virtual Value call(Interpreter&) override; \
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virtual Value construct(Interpreter&) override; \
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