calcium-lang/dist/factory/super.js

Calcium language interpreter

import { default as Sym } from "../symbol";
import { AttributeNotFound } from "../error";
import object from "./object";
import createMethod from "./method";
export default function createSuper({ classObj, instance, }) {
    const self = new Proxy({}, {
        get(target, property, receiver) {
            if (typeof property === "string") {
                let superclass = Reflect.get(classObj, Sym.superclass);
                while (superclass !== object) {
                    const funcObj = Reflect.get(superclass, property);
                    if (funcObj) {
                        return createMethod({ funcObj, boundObj: instance });
                    }
                    superclass = Reflect.get(classObj, Sym.superclass);
                }
            }
            else if (property === Sym.class)
                return "super";
            throw new AttributeNotFound(property.toString());
        },
    });
    return self;
}
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