Byl p\u0159edstaven programovac\u00ed jazyk Solod (So), kter\u00fd poskytuje podmno\u017einu jazyka Go, transpileovanou do podoby jazyka C (C11), vhodnou pro kompilaci s kompil\u00e1tory GCC, Clang a zig cc. Kl\u00ed\u010dov\u00fdm rozd\u00edlem mezi Solod a Go a Tinygo je pou\u017eit\u00ed ru\u010dn\u00edho \u0159\u00edzen\u00ed pam\u011bti, bez pou\u017eit\u00ed garbage collectoru, bez automatick\u00e9 alokace pam\u011bti a bez po\u010d\u00edt\u00e1n\u00ed odkaz\u016f. Transpiler pro Solod je naps\u00e1n v jazyce Go a \u0161\u00ed\u0159\u00ed se pod licenc\u00ed BSD. Podporov\u00e1na je pr\u00e1ce v Linuxu, macOS a Windows. <\/p>\n
Jazyk podporuje struktury, metody, rozhran\u00ed, \u0159ezy, n\u00e1vrat funkc\u00ed s v\u00edce hodnotami (nap\u0159\u00edklad v\u00fdsledek + k\u00f3d chyby), generika a odlo\u017een\u00e9 vol\u00e1n\u00ed (defer). Pro zjednodu\u0161en\u00ed jazyk nepodporuje kan\u00e1ly, kooperativn\u00ed \u00falohy a uz\u00e1v\u011bry. P\u0159i v\u00fdvoji v jazyce Solod je mo\u017en\u00e9 pou\u017e\u00edvat existuj\u00edc\u00ed LSP servery, lintry, integrovan\u00e1 v\u00fdvojov\u00e1 prost\u0159ed\u00ed a editory k\u00f3du podporuj\u00edc\u00ed jazyk Go, jako\u017e i n\u00e1stroj \u201ego test\u201c. <\/p>\n
K\u00f3d napsan\u00fd v Solod m\u016f\u017ee b\u00fdt integrov\u00e1n s aplikacemi napsan\u00fdmi v jazyce C (jazyk C m\u016f\u017ee volat funkce v Solod a naopak) a nevy\u017eaduje p\u0159ipojen\u00ed runtime. Mezi hlavn\u00ed oblasti pou\u017eit\u00ed pat\u0159\u00ed syst\u00e9mov\u00e9 programov\u00e1n\u00ed s mo\u017enosti bl\u00edzk\u00fdmi jazyku C, ale se syntax\u00ed ve stylu Go a zaji\u0161t\u011bn\u00edm kontroly typ\u016f. Solod lze tak\u00e9 pou\u017e\u00edt pro portov\u00e1n\u00ed Go knihoven pro vyu\u017eit\u00ed v projektech v jazyce C. Do jazyka C byly portov\u00e1ny Go bal\u00ed\u010dky strings, io, bytes, mem, slices atd. Krom\u011b portovan\u00fdch Go knihoven lze v programech napsan\u00fdch v jazyce Solod pou\u017e\u00edt ob\u00e1lky nad standardn\u00ed C knihovnou libc. <\/p>\n
Ve v\u00fdchoz\u00edm nastaven\u00ed je ve\u0161ker\u00e1 pam\u011b\u0165 alokov\u00e1na na z\u00e1sobn\u00edku, ale prost\u0159ednictv\u00edm funkc\u00ed Alloc \/ Free standardn\u00ed knihovny lze alokovat pam\u011b\u0165 na hald\u011b. Garbage collector a po\u010d\u00edt\u00e1n\u00ed odkaz\u016f se nepou\u017e\u00edvaj\u00ed, ale v Solod jsou k dispozici mo\u017enosti pro kontrolu typ\u016f a havarijn\u00ed ukon\u010den\u00ed p\u0159i p\u0159\u00edstupu mimo pole. Kontroly na vracen\u00ed vis\u00edc\u00edch ukazatel\u016f (dangling pointer) a chyb\u011bj\u00edc\u00ed uvoln\u011bn\u00ed pam\u011bti se v\u0161ak neprov\u00e1d\u011bj\u00ed. Jako hlavn\u00ed zp\u016fsob odhalov\u00e1n\u00ed probl\u00e9m\u016f s pam\u011bt\u00ed se zmi\u0148uje pou\u017eit\u00ed AddressSanitizer (-fsanitize=address) v modern\u00edch kompil\u00e1torech. <\/p>\n
Pokud jde o v\u00fdkon, zkompilovan\u00e9 programy napsan\u00e9 v jazyce Solod jsou ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f rychlej\u0161\u00ed ne\u017e programy napsan\u00e9 v Go. Nap\u0159\u00edklad v\u00fdkon funkc\u00ed z bal\u00ed\u010dku Byte je o 50 % rychlej\u0161\u00ed p\u0159i shodn\u00e9 spot\u0159eb\u011b pam\u011bti. Pr\u00e1ce s bajtov\u00fdmi buffery je rychlej\u0161\u00ed o 1,3\u00d7 p\u0159i \u010dten\u00ed a 2-4\u00d7 p\u0159i z\u00e1pisu. V bal\u00ed\u010dku Map je v\u00fdb\u011br podle cel\u00e9ho \u010d\u00edsla rychlej\u0161\u00ed o 3,4\u00d7, ale modifikace kl\u00ed\u010d\u016f je pomalej\u0161\u00ed o 1,6\u00d7. V\u00fdb\u011br podle \u0159et\u011bzcov\u00fdch kl\u00ed\u010d\u016f je na \u00farovni jazyka Go, ale modifikace je pomalej\u0161\u00ed o 1,5\u00d7. Parsov\u00e1n\u00ed a form\u00e1tov\u00e1n\u00ed cel\u00fdch \u010d\u00edsel je rychlej\u0161\u00ed o 2\u00d7, zat\u00edmco s plovouc\u00ed desetinnou \u010d\u00e1rkou \u2013 o 1,5\/1,2\u00d7. Funkce pro \u0159et\u011bzce jsou rychlej\u0161\u00ed o 1,3\u00d7 a vytv\u00e1\u0159en\u00ed \u0159et\u011bzc\u016f je rychlej\u0161\u00ed o 2-4\u00d7 p\u0159i sn\u00ed\u017een\u00ed spot\u0159eby pam\u011bti o 10-20%. \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Solod (So), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u044f\u0437\u044b\u043a\u0430 Go, \u0442\u0440\u0430\u043d\u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u0432 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 (C11), \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0435 \u0434\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430\u043c\u0438 GCC, Clang \u0438 zig cc. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u043c \u043e\u0442\u043b\u0438\u0447\u0438\u0435\u043c Solod \u043e\u0442 Go \u0438 Tinygo \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0443\u0447\u043d\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u044c\u044e, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0433\u043e \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0441\u0431\u043e\u0440\u0449\u0438\u043a\u0430 \u043c\u0443\u0441\u043e\u0440\u0430, \u0431\u0435\u0437 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u0431\u0435\u0437 \u043f\u043e\u0434\u0441\u0447\u0451\u0442\u0430 \u0441\u0441\u044b\u043b\u043e\u043a. \u0422\u0440\u0430\u043d\u0441\u043f\u0430\u0439\u043b\u0435\u0440 \u0434\u043b\u044f Solod \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 […]<\/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-167787","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\udd47Projekt Solod rozv\u00edj\u00ed podmno\u017einu jazyka Go, kter\u00e1 se p\u0159ev\u00e1d\u00ed do jazyka C | ProHoster","description":"Byl p\u0159edstaven programovac\u00ed jazyk Solod (So), kter\u00fd poskytuje podmno\u017einu jazyka Go, transkompilovanou do reprezentace v jazyce C (C11), vhodnou pro sestaven\u00ed kompil\u00e1tory GCC, Clang a zig cc.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/proekt-solod-razvivaet-podmnozhestvo-yazyka-go-transliruemoe-v-yazyk-si","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u043e\u0435\u043a\u0442 Solod \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043f\u043e\u0434\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u044f\u0437\u044b\u043a\u0430 Go, \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u0432 \u044f\u0437\u044b\u043a \u0421\u0438 | ProHoster","og:description":"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Solod (So), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u044f\u0437\u044b\u043a\u0430 Go, \u0442\u0440\u0430\u043d\u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u0432 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 (C11), \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0435 \u0434\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430\u043c\u0438 GCC, Clang \u0438 zig 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"