{"id":162677,"date":"2026-02-23T23:11:58","date_gmt":"2026-02-23T21:11:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/komponenty-brauzera-ladybird-nachali-perepisyvat-na-rust-pri-pomoshhi-ai"},"modified":"2026-02-23T23:11:58","modified_gmt":"2026-02-23T21:11:58","slug":"komponenty-brauzera-ladybird-nachali-perepisyvat-na-rust-pri-pomoshhi-ai","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/komponenty-brauzera-ladybird-nachali-perepisyvat-na-rust-pri-pomoshhi-ai","title":{"rendered":"Os componentes do navegador Ladybird come\u00e7aram a ser reescritos em Rust com a ajuda de AI","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Andreas Kling, o fundador do navegador web Ladybird, anunciou a decis\u00e3o de utilizar a linguagem Rust no desenvolvimento do projeto e o in\u00edcio da reescrita de partes do Ladybird nessa linguagem. Como experimento, o motor JavaScript LibJS j\u00e1 foi reescrito de C++ para Rust. O LibJS foi escolhido devido \u00e0 sua boa cobertura de testes, facilitando a avalia\u00e7\u00e3o da qualidade da migra\u00e7\u00e3o.    <\/p>\n<p>Para acelerar a migra\u00e7\u00e3o, foram envolvidos assistentes de AI Claude Code e OpenAI Codex, permitindo que o c\u00f3digo fosse reescrito em duas semanas. A tradu\u00e7\u00e3o foi feita de forma progressiva, com a participa\u00e7\u00e3o do desenvolvedor, que enviou aos assistentes de AI v\u00e1rias centenas de prompts durante o trabalho, decidindo a ordem e o que migrar, al\u00e9m de especificar requisitos para o c\u00f3digo resultante em Rust. Ap\u00f3s a obten\u00e7\u00e3o do c\u00f3digo em diferentes modelos de AI, foi realizada uma revis\u00e3o dos resultados e uma an\u00e1lise do c\u00f3digo em busca de erros e decis\u00f5es question\u00e1veis.       <\/p>\n<p>No final, a vers\u00e3o reescrita em Rust do motor passou com sucesso em todos os 52898 testes de compatibilidade com ECMAScript do conjunto test262 e 12461 testes de regress\u00e3o do projeto Ladybird. A vers\u00e3o em Rust demonstrou correspond\u00eancia total do AST gerado e do bytecode com a vers\u00e3o em C++, sem regress\u00f5es identificadas at\u00e9 o momento. Nos testes de JavaScript, tamb\u00e9m n\u00e3o houve diminui\u00e7\u00e3o no desempenho. Al\u00e9m disso, a correspond\u00eancia total foi comprovada em testes comparativos dos resultados de processamento de sites utilizando as vers\u00f5es LibJS em C++ e Rust.    <\/p>\n<p>A reescrita dos componentes do navegador em Rust \u00e9 considerada um projeto secund\u00e1rio, que pode levar bastante tempo. O desenvolvimento principal continua sendo feito na linguagem C++. As decis\u00f5es sobre quais subsistemas ser\u00e3o reescritos em Rust ser\u00e3o tomadas pela equipe principal de desenvolvedores. O novo c\u00f3digo em Rust coexistir\u00e1 com o c\u00f3digo existente em C++ atrav\u00e9s de n\u00edveis de interoperabilidade claramente definidos.          <\/p>\n<p>Notavelmente, em 2024, os desenvolvedores do Ladybird decidiram usar a linguagem de programa\u00e7\u00e3o Swift, mas enfrentaram baixa interoperabilidade com c\u00f3digo em C++ e suporte limitado a plataformas que n\u00e3o s\u00e3o da Apple. Em rela\u00e7\u00e3o ao Rust, este apresenta um ecossistema mais maduro para programa\u00e7\u00e3o de sistemas e garantias de seguran\u00e7a. Al\u00e9m disso, entre os desenvolvedores do Ladybird h\u00e1 muitos participantes familiarizados com essa linguagem. Em 2024, a linguagem Rust n\u00e3o foi aprovada para uso no Ladybird devido \u00e0 sua abordagem de desenvolvimento baseada em posse, que n\u00e3o combina bem com o estilo orientado a objetos do C++.          <\/p>\n<p>Andreas Kling trabalhou uma vez na Nokia e esteve envolvido no desenvolvimento do KHTML, e depois, na Apple, foi um dos desenvolvedores do Safari. Originalmente, o projeto Ladybird foi criado como um aplicativo para o sistema operacional SerenityOS, mas no ver\u00e3o de 2024 foi transformado em um projeto separado e recebeu um financiamento de 1 milh\u00e3o de d\u00f3lares. O navegador \u00e9 escrito em C++ e \u00e9 distribu\u00eddo sob a licen\u00e7a BSD. O projeto desenvolve seu pr\u00f3prio motor LibWeb, interpretador JavaScript LibJS e bibliotecas auxiliares.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64861\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043d\u0434\u0440\u0435\u0430\u0441 \u041a\u043b\u0438\u043d\u0433 (Andreas Kling), \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0435\u043b\u044c web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Ladybird, \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u044f\u0437\u044b\u043a Rust \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438 \u043d\u0430\u0447\u0430\u043b\u0435 \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u044b\u0432\u0430\u043d\u0438\u044f \u0447\u0430\u0441\u0442\u0435\u0439 Ladybird \u043d\u0430 \u0434\u0430\u043d\u043d\u043e\u043c \u044f\u0437\u044b\u043a\u0435. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430 \u0441 C++ \u043d\u0430 Rust \u0443\u0436\u0435 \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u043d JavaScript-\u0434\u0432\u0438\u0436\u043e\u043a LibJS. LibJS \u0432\u044b\u0431\u0440\u0430\u043d \u0438\u0437-\u0437\u0430 \u0445\u043e\u0440\u043e\u0448\u0435\u0433\u043e \u043f\u043e\u043a\u0440\u044b\u0442\u0438\u044f \u0442\u0435\u0441\u0442\u0430\u043c\u0438, \u0443\u043f\u0440\u043e\u0449\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0446\u0435\u043d\u043a\u0443 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0414\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u044b\u043b\u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b AI-\u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442\u044b Claude Code \u0438 OpenAI [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-162677","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043d\u0434\u0440\u0435\u0430\u0441 \u041a\u043b\u0438\u043d\u0433 (Andreas Kling), \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0435\u043b\u044c web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Ladybird, \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u044f\u0437\u044b\u043a Rust \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 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