{"id":89487,"date":"2020-07-23T01:42:30","date_gmt":"2020-07-22T23:42:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/re2c-2-0"},"modified":"2020-07-23T01:42:30","modified_gmt":"2020-07-22T23:42:30","slug":"re2c-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/re2c-2-0","title":{"rendered":"re2c 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Otr\u0101 dien\u0101, 20. j\u016blij\u0101, tika izlaista re2c \u2013 \u0101tr\u0101s leksisk\u0101s analizators \u0123enerators.<br \/>\nGalven\u0101s izmai\u0146as:<\/p>\n<ul>\n<li>\n<p>Pievienota Go valodas atbalsts<br \/>\n(iesp\u0113jams ar vai nu opciju &#8212;lang go re2c, vai k\u0101 atsevi\u0161\u0137u programmu re2go).<br \/>\nDokument\u0101cija C un Go tiek \u0123ener\u0113ta no viena un t\u0101 pa\u0161a teksta, bet ar at\u0161\u0137ir\u012bgiem<br \/>\nkoda piem\u0113riem. Piln\u012bb\u0101 p\u0101rstr\u0101d\u0101ta koda \u0123ener\u0113\u0161anas apak\u0161sist\u0113ma re2c, kas<br \/>\ndom\u0101ts atvieglot jaunu valodu atbalstu n\u0101kotn\u0113.<\/p>\n<\/li>\n<li>\n<noindex><\/p>\n<p>Pievienota alternat\u012bva sist\u0113ma \u0123ener\u0113\u0161anai ar CMake (paldies <a rel=\"nofollow\" href=\"https:\/\/github.com\/ligfx\">ligfx<\/a>!).<\/noindex><br \/>\nCentieni p\u0101rnest re2c uz CMake jau ilgi notika, bet l\u012bdz ligfx neviens<br \/>\nnepie\u0146\u0113ma pilnv\u0113rt\u012bgu risin\u0101jumu.<br \/>\nVec\u0101 Autotools b\u016bvniec\u012bbas sist\u0113ma joproj\u0101m tiek atbalst\u012bta un izmantota,<br \/>\nun tuv\u0101kaj\u0101 n\u0101kotn\u0113 nav pl\u0101nu no t\u0101s atteikties (da\u013c\u0113ji, lai nerad\u012btu<br \/>\nprobl\u0113mas izplat\u012bt\u0101ju izstr\u0101d\u0101t\u0101jiem, da\u013c\u0113ji t\u0101p\u0113c, ka vec\u0101 b\u016bvniec\u012bbas sist\u0113ma<br \/>\nir stabil\u0101ka un lakonisk\u0101ka nek\u0101 jaun\u0101).<br \/>\nAbas sist\u0113mas vienl\u012bdz\u012bgi tiek nep\u0101rtraukti test\u0113tas ar Travis CI.<\/p>\n<\/li>\n<li>\n<p>Pievienota iesp\u0113ja defin\u0113t saskarnes kodu konfigur\u0101cij\u0101s, izmantojot<br \/>\n\u0123enerisko API. Agr\u0101k liel\u0101k\u0101 da\u013ca API bija j\u0101nosaka funkciju vai<br \/>\nfunkcion\u0101lo makro veid\u0101. Tagad tos var defin\u0113t k\u0101 sh\u0113mas ar nosaukuma<br \/>\nparametriem, piem\u0113ram, @@{name} vai vienk\u0101r\u0161i @@ (ja<br \/>\nparametrs ir viens un nerodas neskaidr\u012bbas). API stilu nosaka<br \/>\nre2c:api:style (v\u0113rt\u012bba functions nosaka funkcion\u0101lo stilu, bet free-form \u2013 br\u012bvu formu).<\/p>\n<\/li>\n<li>\n<p>Uzlabota opcijas -c, &#8212;start-conditions, darb\u012bba, kas \u013cauj apvienot vair\u0101kas<br \/>\nsaist\u012btas leksisk\u0101s anal\u012bzes da\u013cas vien\u0101 re2c blok\u0101. Tagad var izmantot<br \/>\nparastus blokos l\u012bdz\u0101s nosac\u012bjumiem un noteikt vair\u0101kus nesasaist\u012btus nosac\u012bjumu<br \/>\nblokus vien\u0101 fail\u0101.<br \/>\nUzlabota opcijas -r, &#8212;reuse (koda atk\u0101rtota izmanto\u0161ana no viena bloka<br \/>\ncitos blokos) kombin\u0101cij\u0101 ar opcij\u0101m -c, &#8212;start-conditions un -f, &#8212;storable-state<br \/>\n(leksisk\u0101 anal\u012bze ar saglab\u0101jamu st\u0101vokli, kuru var p\u0101rtraukt jebkur\u0101 viet\u0101<br \/>\nun turpin\u0101t izpildi v\u0113l\u0101k).<\/p>\n<\/li>\n<li>\n<p>Aizv\u0113rta k\u013c\u016bda nesen pievienotaj\u0101 ievades datu beigu apstr\u0101des algoritm\u0101<br \/>\n(EOF noteikums), kas da\u017eos gad\u012bjumos izrais\u012bja nepareizu apstr\u0101di<br \/>\np\u0101rkl\u0101jo\u0161os noteikumus.<\/p>\n<\/li>\n<li>\n<p>Vienk\u0101r\u0161ota b\u016bv\u0113\u0161anas procesa bootstraps. Agr\u0101k b\u016bvniec\u012bbas sist\u0113ma cent\u0101s dinamisk\u0101 veid\u0101 atrast jau<br \/>\nuzb\u016bv\u0113tu re2c, ko var\u0113tu izmantot t\u0101 lai p\u0101rveidotu sevi.<br \/>\nTas noveda pie nepareiz\u0101m atkar\u012bb\u0101m (jo atkar\u012bbu grafiks bija<br \/>\ndinamiskus, ko liel\u0101k\u0101 da\u013ca kompil\u0101cijas sist\u0113mu nepat\u012bk).<br \/>\nTagad, lai p\u0101rb\u016bv\u0113tu leks\u0113rus, ir nepiecie\u0161ams skaidri<br \/>\nkonfigur\u0113t kompil\u0101cijas sist\u0113mu un iestat\u012bt main\u012bgo RE2C_FOR_BUILD.<\/p>\n<\/li>\n<\/ul>\n<p>Paldies visiem, kas piedal\u012bj\u0101s \u0161\u012b izlaiduma sagatavo\u0161an\u0101!<\/p>\n<p>Avots: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15820642\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c &ndash; \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u044f\u0437\u044b\u043a\u0430 Go (\u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0438\u043b\u0438 \u043e\u043f\u0446\u0438\u0435\u0439 &#8212;lang go \u0434\u043b\u044f re2c, \u0438\u043b\u0438 \u0432 \u0432\u0438\u0434\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b re2go). \u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u0434\u043b\u044f C \u0438 Go \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0438\u0437 \u043e\u0434\u043d\u043e\u0433\u043e \u0438 \u0442\u043e\u0433\u043e \u0436\u0435 \u0442\u0435\u043a\u0441\u0442\u0430, \u043d\u043e \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 \u043a\u043e\u0434\u0430. \u041f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043a\u043e\u0434\u043e\u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0432 re2c, \u0447\u0442\u043e [&hellip;]<\/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-89487","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c \u2013 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" 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