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>
20 lines
351 B
JavaScript
20 lines
351 B
JavaScript
// super.method() calls parent prototype method with child's this.
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class Base {
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greet() {
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return 'Hello ' + this.name;
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}
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}
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class Child extends Base {
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constructor(name) {
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super();
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this.name = name;
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}
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greet() {
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return super.greet() + '!';
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}
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}
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var c = new Child('World');
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console.log(c.greet());
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