a41ebfc872
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Implements full class support: prototype-chain-based inheritance on JsObject, class/extends/super/static/instanceof keywords, parser and VM execution for class declarations and expressions, super() constructor calls and super.method() dispatch via dedicated SuperInfo fields (not user-observable properties), and instanceof operator with prototype chain walking. Includes depth guards, Box<JsValue> in RuntimeError::Thrown to satisfy clippy result_large_err, and 11 JS262 conformance tests. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
17 lines
331 B
JavaScript
17 lines
331 B
JavaScript
// Classes without explicit constructor still work.
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class Base {
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greet() { return 'hello'; }
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}
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// Derived class without constructor forwards args to parent.
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class Parent {
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constructor(x) { this.x = x; }
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}
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class Child extends Parent {}
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var b = new Base();
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console.log(b.greet());
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var c = new Child(42);
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console.log(c.x);
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