{"id":120643,"date":"2024-11-21T01:09:45","date_gmt":"2024-11-20T23:09:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/re2c-4-0"},"modified":"2024-11-21T01:09:45","modified_gmt":"2024-11-20T23:09:45","slug":"re2c-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/re2c-4-0","title":{"rendered":"re2c 4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

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N\u00eb t\u00eb mart\u00ebn, m\u00eb 19 n\u00ebntor, u prezantua l\u00ebshimi re2c<\/a> \u2013 gjeneratori i analizator\u00ebve leksikor\u00eb (ai i nj\u00ebjti kompilator i shprehjeve t\u00eb rregullta n\u00eb kodin e gjuh\u00ebs s\u00eb programimit t\u00eb synuar). re2c specializohet n\u00eb gjenerimin e leksor\u00ebve t\u00eb shpejt\u00eb dhe leht\u00ebsisht t\u00eb integruesh\u00ebm. Ai ndryshon nga ekuivalenti m\u00eb i njohur flex me nj\u00eb interfac\u00eb fleksibile, gjenerimin e leksor\u00ebve t\u00eb optimizuar pa tabela dhe mb\u00ebshtetje p\u00ebr kapjet (submatch extraction) me baz\u00eb automat\u00ebsh t\u00eb p\u00ebrfunduar deterministik\u00eb me etiketa (TDFA<\/a>). re2c p\u00ebrdoret n\u00eb projekte ku shpejt\u00ebsia e pun\u00ebs s\u00eb leksorit \u00ebsht\u00eb e r\u00ebnd\u00ebsishme, si\u00e7 jan\u00eb Ninja dhe PHP.<\/p>\n

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N\u00eb versionin 4.0, sistemi i gjenerimit t\u00eb kodit \u00ebsht\u00eb rishikuar rr\u00ebnj\u00ebsisht, \u00e7ka ka mund\u00ebsuar shtimin e mb\u00ebshtetjes p\u00ebr tet\u00eb gjuh\u00eb t\u00eb reja (D, Haskell, Java, JavaScript, OCaml, Python, V, Zig) p\u00ebrve\u00e7 atyre q\u00eb tashm\u00eb ishin mb\u00ebshtetur (C\/C++, Go, Rust), si dhe nj\u00eb mekaniz\u00ebm t\u00eb p\u00ebrgjithsh\u00ebm p\u00ebr shtimin e gjuh\u00ebve t\u00eb reja p\u00ebrmes skedar\u00ebve t\u00eb konfigurimit. Gjeneratori i kodit \u00ebsht\u00eb p\u00ebrgjegj\u00ebs p\u00ebr translacionin e automatit t\u00eb nd\u00ebrtuar dhe t\u00eb optimizuar n\u00eb kod, pra detyra e tij \u00ebsht\u00eb t\u00eb zgjedh\u00eb strukturat e kontrollit t\u00eb p\u00ebrshtatshme p\u00ebr gjuh\u00ebn e synuar, tipet e t\u00eb dh\u00ebnave, modelin e p\u00ebrgjithsh\u00ebm t\u00eb programit etj. M\u00eb par\u00eb, gjith\u00eb kjo logjik\u00eb ishte pjes\u00eb e kodit burimor t\u00eb re2c, dhe p\u00ebr ta ndryshuar ose shtuar nj\u00eb gjuh\u00eb t\u00eb re, duhej t\u00eb patch-osh kodin burimor dhe t\u00eb rind\u00ebrtoje re2c. Patch-et e tilla nuk pranoheshin n\u00eb depozitat kryesore pa implementimin e nj\u00eb seti standard t\u00eb shembujve dhe testeve, \u00e7ka e komplikonte edhe m\u00eb shum\u00eb t\u00eb gjith\u00eb procesin. Tani gjith\u00eb kjo logjik\u00eb \u00ebsht\u00eb transferuar n\u00eb skedar\u00ebt sintaksor\u00eb<\/a> \u2013 skedar\u00eb konfigurat\u00edv\u00eb tekstual\u00eb, t\u00eb cilat mund t\u00eb ofrohen nga p\u00ebrdoruesi (n\u00eb m\u00ebnyr\u00eb t\u00eb paracaktuar re2c p\u00ebrdor skedar\u00ebt standard). Kodi burimor i re2c \u00ebsht\u00eb plot\u00ebsisht i lir\u00eb nga detajet e gjuh\u00ebs specifike dhe mb\u00ebshtetet vet\u00ebm n\u00eb skedarin sintaksor. P\u00ebrdoruesi mund t\u00eb tejkaloj\u00eb pjes\u00ebrisht skedarin ekzistues t\u00eb sintaks\u00ebs ose t\u00eb shkruaj\u00eb nj\u00eb t\u00eb ri nga fillimi. P\u00ebr t\u00eb gjitha gjuh\u00ebt q\u00eb mb\u00ebshteten zyrtarisht ekzistojn\u00eb dokumentacion t\u00eb plot\u00eb me shembuj<\/a>.<\/p>\n

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P\u00ebr t\u00eb th\u00ebn\u00eb t\u00eb v\u00ebrtet\u00ebn, ideja e skedar\u00ebve sintaksor\u00eb erdhi fal\u00eb nj\u00eb komenti n\u00eb LOR<\/a>, p\u00ebr t\u00eb cilin faleminderit \"re2cthe_coder<\/a>.<\/p>\n

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N\u00eb l\u00ebshim kan\u00eb hyr\u00eb shum\u00eb ndryshime t\u00eb tjera p\u00ebr thjeshtimin e nd\u00ebrfaqes s\u00eb p\u00ebrdoruesit, p\u00ebrmir\u00ebsimin e pun\u00ebs me grupet e kapura (capturing groups), dhe gjithashtu \u00ebsht\u00eb shtuar nj\u00eb mjedis online p\u00ebr redaktimin dhe kompaktimin e shembujve: http:\/\/re2c.org\/playground<\/a>.<\/p>\n

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

\u0412\u043e \u0432\u0442\u043e\u0440\u043d\u0438\u043a, 19 \u043d\u043e\u044f\u0431\u0440\u044f, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 re2c – \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432 (\u043e\u043d \u0436\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0432 \u043a\u043e\u0434 \u043d\u0430 \u0446\u0435\u043b\u0435\u0432\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f). re2c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u0438 \u043b\u0435\u0433\u043a\u043e \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u043b\u0435\u043a\u0441\u0435\u0440\u043e\u0432. \u041e\u043d \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0431\u043e\u043b\u0435\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0433\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0430 flex \u0433\u0438\u0431\u043a\u0438\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c, \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0435\u0439 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0435\u0442\u0430\u0431\u043b\u0438\u0447\u043d\u044b\u0445 \u043b\u0435\u043a\u0441\u0435\u0440\u043e\u0432 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0437\u0430\u0445\u0432\u0430\u0442\u043e\u0432 (submatch extraction) \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0434\u0435\u0442\u0435\u0440\u043c\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0435\u0447\u043d\u044b\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u043e\u0432 \u0441 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":120644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120643","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47re2c 4.0 | ProHoster","description":"T\u00eb mart\u00ebn, m\u00eb 19 n\u00ebntor, u prezantua rili i re2c \u2013 gjeneruesi i analizator\u00ebve leksik\u00eb (po ashtu kompilator i 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