{"id":36812,"date":"2019-10-31T22:13:57","date_gmt":"2019-10-31T19:13:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0\/"},"modified":"2019-10-31T22:13:57","modified_gmt":"2019-10-31T19:13:57","slug":"vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","title":{"rendered":"Lan\u00e7amento do motor JavaScript embutido Duktape 2.4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Publicado<\/a><\/noindex> lan\u00e7amento do motor JavaScript Duktape 2.4.0<\/a><\/noindex>, projetado para integra\u00e7\u00e3o na base de c\u00f3digo de projetos em C\/C++. O motor se destaca pelo seu tamanho compacto, alta portabilidade e baixo consumo de recursos. O c\u00f3digo-fonte do motor \u00e9 escrito em C e s\u00e3o distribu\u00eddos<\/a><\/noindex> sob a licen\u00e7a MIT. <\/p>\n

O c\u00f3digo Duktape ocupa cerca de 160 kB e consome apenas 70 kB de RAM, enquanto no modo de baixo consumo de mem\u00f3ria consome 27 kB de RAM. Para integrar o Duktape em c\u00f3digo C\/C++ precisa apenas<\/a><\/noindex> adicione aos projetos os arquivos duktape.c e duktape.h, e utilize a API Duktape<\/a><\/noindex> para chamar fun\u00e7\u00f5es JavaScript de c\u00f3digo C\/C++ ou vice-versa. Um coletor de lixo com finalizador, baseado em uma combina\u00e7\u00e3o do algoritmo<\/a><\/noindex> de contagem de refer\u00eancias com o algoritmo de Marca\u00e7\u00e3o e Limpeza (Mark and Sweep). O motor \u00e9 utilizado para processamento de JavaScript no navegador NetSurf<\/a><\/noindex>.<\/p>\n

Proporciona total compatibilidade com as especifica\u00e7\u00f5es Ecmascript 5.1 e parcial suporte<\/a><\/noindex> Ecmascript 2015 e 2016 (E6 e E7), incluindo suporte ao objeto Proxy para virtualiza\u00e7\u00e3o de propriedades, arrays tipados, ArrayBuffer, Node.js Buffer, API de Codifica\u00e7\u00e3o, objeto Symbol, etc. Inclui um depurador embutido, motor para execu\u00e7\u00e3o de express\u00f5es regulares e subsistema de suporte a Unicode. Tamb\u00e9m fornece extens\u00f5es espec\u00edficas, como suporte a co-rotinas, framework de registro embutido, mecanismo de carregamento de m\u00f3dulos baseado em CommonJS, sistema de cache de bytecode que permite salvar e carregar fun\u00e7\u00f5es compiladas.<\/p>\n

Na nova vers\u00e3o implementados<\/a><\/noindex> novos m\u00e9todos duk_to_stacktrace() e duk_safe_to_stacktrace() para obter rastreamentos de pilha, duk_push_bare_array() para adicionar inst\u00e2ncias de arrays independentes. As fun\u00e7\u00f5es duk_require_constructable() e duk_require_constructor_call() foram tornadas p\u00fablicas. A compatibilidade com a especifica\u00e7\u00e3o ES2017 foi aprimorada. O desempenho com arrays e objetos foi otimizado. A interface CLI do duk recebeu a op\u00e7\u00e3o «—no-auto-complete» para desativar a autocompleta\u00e7\u00e3o de entrada.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a JavaScript-\u0434\u0432\u0438\u0436\u043a\u0430 Duktape 2.4.0, \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u043d\u0438\u0435 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C\/C++. \u0414\u0432\u0438\u0436\u043e\u043a \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c, \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0438 \u043d\u0438\u0437\u043a\u0438\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u0434\u0432\u0438\u0436\u043a\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u041a\u043e\u0434 Duktape \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e 160 kB \u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u044f\u0435\u0442 \u0432\u0441\u0435\u0433\u043e 70kB \u041e\u0417\u0423, \u0430 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 27kB […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36812","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lan\u00e7amento do motor JavaScript embutido Duktape 2.4.0 | ProHoster","description":"Publicado o lan\u00e7amento do motor JavaScript Duktape.","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | 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