{"id":36320,"date":"2019-10-31T22:10:55","date_gmt":"2019-10-31T19:10:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-tinygo-0-7-0-kompilyatora-yazyka-go-na-baze-llvm\/"},"modified":"2019-10-31T22:10:55","modified_gmt":"2019-10-31T19:10:55","slug":"vypusk-tinygo-0-7-0-kompilyatora-yazyka-go-na-baze-llvm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vypusk-tinygo-0-7-0-kompilyatora-yazyka-go-na-baze-llvm","title":{"rendered":"Rilascio di Tinygo 0.7.0, compilatore del linguaggio Go basato su LLVM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Disponibile<\/a><\/noindex> il rilascio del progetto Tinygo 0.7.0<\/a><\/noindex>, nell'ambito del quale si sviluppa il compilatore del linguaggio Go per aree in cui \u00e8 necessario un formato compatto del codice risultante e un basso consumo di risorse, come microcontrollori e sistemi a singolo processore compatti. Il codice distribuito<\/a><\/noindex> con licenza BSD.<\/p>\n

La compilazione per diverse piattaforme di destinazione \u00e8 realizzata tramite LLVM, e per supportare il linguaggio si utilizzano librerie applicate principalmente nell'ecosistema del progetto Go. Il programma compilato pu\u00f2 essere eseguito direttamente sui microcontrollori, permettendo di utilizzare Go come linguaggio per scrivere script di automazione. <\/p>\n

La motivazione per la creazione del nuovo progetto \u00e8 stata il desiderio di utilizzare il linguaggio Go, a cui si \u00e8 gi\u00e0 abituati, su dispositivi compatti \u2014 gli sviluppatori hanno pensato che se esiste una versione di Python per microcontrollori, perch\u00e9 non crearne una simile per il linguaggio Go. \u00e8 stato scelto<\/a><\/noindex> Go \u00e8 preferito rispetto a Rust perch\u00e9 \u00e8 pi\u00f9 facile da imparare, offre un supporto per la concorrenza indipendente dalle implementazioni basato su coroutine ed ha una vasta libreria standard (\"batterie incluse\").<\/p>\n

Attualmente vengono supportati 15 modelli di microcontrollori, incluse varie schede Adafruit, Arduino, BBC micro:bit, ST Micro, Digispark, Nordic Semiconductor, Makerdiary e Phytec. I programmi possono anche essere compilati per l'esecuzione nel browser in formato WebAssembly e come file eseguibili per Linux. Supporto per i controllori ESP8266\/ESP32 non disponibile<\/a><\/noindex>, ma \u00e8 in fase di sviluppo un progetto per aggiungere il supporto per il chip Xtensa in LLVM, attualmente contrassegnato come instabile e non pronto per l'integrazione con TinyGo.<\/p>\n

Obiettivi principali del progetto: <\/p>\n<\/ul>\n

  • Generazione di file eseguibili molto compatti;\n
  • Supporto per i modelli di schede microcontrollori pi\u00f9 diffusi;\n
  • Applicabilit\u00e0 per il Web;\n
  • Supporto per CGo con costi minimi per le chiamate a funzioni in linguaggio C;\n
  • Supporto per la maggior parte dei pacchetti standard e possibilit\u00e0 di compilazione di codice esistente senza modifiche.\n<\/ul>\n

    Il supporto per sistemi multicore non \u00e8 un obiettivo principale,
    \nl'efficiente avvio di un numero elevato di goroutine (l'avvio delle goroutine \u00e8 completamente supportato), raggiungendo un livello di prestazioni paragonabile a quello del compilatore gc (l'ottimizzazione \u00e8 affidata a LLVM e in alcune applicazioni Tinygo pu\u00f2 risultare pi\u00f9 veloce del gc) e totale     compatibilit\u00e0<\/a><\/noindex> con tutte le applicazioni in Go.<\/p>\n

    La principale differenza rispetto ad un compilatore simile emgo<\/a><\/noindex> \u00e8 il tentativo di mantenere il modello originale di gestione della memoria di Go utilizzando un garbage collector e di impiegare LLVM per generare codice efficiente invece di compilare in una rappresentazione in C. Tinygo offre anche una nuova libreria runtime, che implementa uno scheduler ottimizzato per sistemi compatti, un sistema di gestione della memoria e gestori di stringhe. Basata sul nuovo runtime, sono stati ricreati alcuni pacchetti, come sync e reflect.<\/p>\n

    Tra le novit\u00e0 della versione 0.7, si segnala l'implementazione del comando \"tinygo test\", il supporto per la garbage collection sulla maggior parte delle schede target (basate su ARM Cortex-M) e WebAssembly, nonch\u00e9 il supporto per la scheda HiFive1 rev B basata sull'architettura RISC-V e la scheda Arduino nano33.
    \nmiglioramento del supporto del linguaggio (supporto dei campi bit con l'uso di getter e setter, supporto per strutture anonime).<\/p>\n

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

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

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Il codice \u00e8 distribuito sotto licenza BSD. La compilazione per diverse piattaforme target \u00e8 realizzata tramite LLVM, e per il supporto del linguaggio vengono utilizzate librerie principalmente impiegate.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vypusk-tinygo-0-7-0-kompilyatora-yazyka-go-na-baze-llvm","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","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\u0412\u044b\u043f\u0443\u0441\u043a Tinygo 0.7.0, \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u044f\u0437\u044b\u043a\u0430 Go \u043d\u0430 \u0431\u0430\u0437\u0435 LLVM | 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