{"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\/sv\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","title":{"rendered":"Lansering av inb\u00e4ddad JavaScript-motor Duktape 2.4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Publicerad<\/a><\/noindex> Utgivning av JavaScript-motorn Duktape 2.4.0<\/a><\/noindex>, inriktad p\u00e5 att integreras i kodbaser f\u00f6r projekt skrivna i C\/C++. Motorn k\u00e4nnetecknas av sin kompakta storlek, h\u00f6ga portabilitet och l\u00e5ga resursf\u00f6rbrukning. K\u00e4llkoden till motorn \u00e4r skriven i C och sprids<\/a><\/noindex> licensieras under MIT. <\/p>\n

Duktapes kod tar upp cirka 160 kB och f\u00f6rbrukar endast 70 kB RAM, och i l\u00e4get f\u00f6r l\u00e5g minnesf\u00f6rbrukning 27 kB RAM. F\u00f6r att integrera Duktape i C\/C++-kod \u00e4r tillr\u00e4cklig<\/a><\/noindex> l\u00e4gger du till filerna duktape.c och duktape.h i projektet, och anv\u00e4nder Duktape API<\/a><\/noindex> f\u00f6r att anropa funktioner i JavaScript fr\u00e5n C\/C++-kod eller vice versa. En skr\u00e4psamlare med finalizer som bygger p\u00e5 en kombination av algorithm<\/a><\/noindex> referensr\u00e4kningsalgoritmen och markering och svep (Mark and Sweep) anv\u00e4nds f\u00f6r att frig\u00f6ra oanv\u00e4nda objekt fr\u00e5n minnet. Motorn anv\u00e4nds f\u00f6r att bearbeta JavaScript i webbl\u00e4saren NetSurf<\/a><\/noindex>.<\/p>\n

Full kompatibilitet med specifikationerna Ecmascript 5.1 och partiell st\u00f6d f\u00f6r<\/a><\/noindex> Ecmascript 2015 och 2016 (E6 och E7), inklusive st\u00f6d f\u00f6r Proxy-objekt f\u00f6r virtuella egenskaper, typade arrayer, ArrayBuffer, Node.js Buffer, Encoding API, Symbol-objekt, osv. Inkluderar \u00e4ven en inbyggd debugger, motorn f\u00f6r att k\u00f6ra regulj\u00e4ra uttryck och ett subsystem f\u00f6r st\u00f6d f\u00f6r Unicode. Specifika utvidgningar erbjuds ocks\u00e5, s\u00e5som st\u00f6d f\u00f6r koroutiner, en inbyggd ram f\u00f6r loggning, modulladdningsmekanism baserad p\u00e5 CommonJS och en system f\u00f6r bytekodscaching som m\u00f6jligg\u00f6r att spara och ladda kompileringar.<\/p>\n

I den nya utg\u00e5van implementeras<\/a><\/noindex> \u043d\u043e\u0432\u044b\u0435 \u0432\u044b\u0437\u043e\u0432\u044b duk_to_stacktrace() \u0438 duk_safe_to_stacktrace() \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043e\u043a \u0441\u0442\u0435\u043a\u0430, duk_push_bare_array() \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0445 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u043e\u0432. \u0412 \u0447\u0438\u0441\u043b\u043e \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0438 duk_require_constructable() \u0438 duk_require_constructor_call(). \u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u043e \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 ES2017. \u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u043c\u0438 \u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438. \u0412 CLI-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 duk \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f «—no-auto-complete» \u0434\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0430\u0432\u043e\u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432\u0432\u043e\u0434\u0430.<\/p>\n

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

K\u00e4lla: 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\udd47Utgivning av den inb\u00e4ddade JavaScript-motorn Duktape 2.4.0 | ProHoster","description":"Utgivningen av JavaScript-motorn Duktape har publicerats.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","og:site_name":"ProHoster | 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