calcium-lang/dist/factory/builtinMethod.js

Calcium language interpreter

import { default as Sym } from "../symbol";
import { AttributeNotFound } from "../error";
import builtinFunctionOrMethod from "./builtinFunctionOrMethod";
export default function createBuiltinMethod({ name, body, }) {
    const self = new Proxy({}, {
        get(target, property, receiver) {
            if (property === Sym.name)
                return name;
            else if (property === Sym.call)
                return (args, env) => {
                    const result = body(args, env);
                    return result;
                };
            else if (property === Sym.evaluate)
                return (env) => self;
            else if (property === Sym.class)
                return builtinFunctionOrMethod;
            else
                throw new AttributeNotFound(property.toString());
        },
    });
    return self;
}
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