{"id":45282,"date":"2023-04-10T08:57:46","date_gmt":"2023-10-06T00:13:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45282-2\/"},"modified":"2024-04-29T22:49:24","modified_gmt":"2024-04-29T14:49:24","slug":"45282-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45282-2\/","title":{"rendered":""},"content":{"rendered":"

mruby \u3068 Rust<\/h1>\n

\u3053\u306e\u8a18\u4e8b\u306f mruby advent calendar \u306e 9 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002
\n\u8af8\u4e8b\u60c5\u306b\u3088\u308a\u5927\u5e45\u306b\u516c\u958b\u304c\u9045\u308c\u3066\u5927\u5909\u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

mruby \u306f\u8efd\u91cf\u304b\u3064\u67d4\u8edf\u306a\u8a00\u8a9e\u3067\u3042\u308b\u305f\u3081\u3001
\nWeb \u30b5\u30fc\u30d0\u3084 Linux \u30b3\u30f3\u30c6\u30ca\u306e\u8a2d\u5b9a\u7528\u8a00\u8a9e\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u305f\u308a\u3001
\n\u3042\u308b\u3044\u306f\u3001\u30b5\u30fc\u30d0\u306e\u69cb\u6210\u3092\u8a18\u8ff0\u3059\u308b DSL \u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u7b49\u306e\u3001
\n\u3044\u308f\u3086\u308b\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u9818\u57df\u3067\u4f7f\u7528\u3055\u308c\u308b\u4f8b\u3092\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u3002<\/p>\n

\u3057\u304b\u3057\u3001\u5f93\u6765\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306b\u306f\u3001
\nC \u8a00\u8a9e\u306a\u3069\u306e\u96e3\u89e3\u306a\u8a00\u8a9e\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001
\n\u3053\u308c\u306f mruby \u3067\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u3059\u308b\u969b\u3082\u4f8b\u5916\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

\u4e00\u65b9\u3067\u3001\u8fd1\u5e74\u3067\u306f\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306e\u8a00\u8a9e\u3068\u3057\u3066\u3001
\nGo \u3084 Rust \u3068\u3044\u3063\u305f\u3001\u5b9f\u7528\u7684\u306a\u3044\u3057\u306f\u3001\u8a00\u8a9e\u51e6\u7406\u7cfb\u306e\u7814\u7a76\u6210\u679c\u3092\u96c6\u7a4d\u3057\u305f\u3088\u3046\u306a\u8a00\u8a9e\u304c\u53f0\u982d\u3057\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u3001\u672c\u7a3f\u3067\u306f\u3001\u307e\u3060\u307e\u3060\u767a\u5c55\u9014\u4e0a\u3067\u3042\u308a\u307e\u3059\u304c\u3001Rust \u3068 mruby \u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5229\u7528\u3059\u308b\u4f8b\u306b\u3064\u3044\u3066\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3092\u3057\u307e\u3059\u3002<\/p>\n

mrusty<\/h2>\n

mrusty \u3068\u3044\u3046\u3001Rust \u304b\u3089 mruby \u3092\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u4ed5\u7d44\u307f\u3068\u3057\u3066\u306f\u3001cargo build \u306e\u969b\u306b build.rs \u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3088\u3046\u306b\u4ed5\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001
\n\u3053\u306e build.rs \u306e\u4e2d\u3067\u3001gcc-rs \u3092\u4f7f\u7528\u3057\u3001libmruby.a \u306e\u751f\u6210\u3068\u30ea\u30f3\u30af\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u306f\u3001\u5927\u307e\u304b\u306b\u306f go-mruby \u3068\u540c\u3058\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3068\u8a00\u3063\u3066\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u3053\u306e\u65b9\u6cd5\u306e\u6b20\u70b9\u3068\u3057\u3066\u306f\u3001libmruby.a \u3092\u751f\u6210\u3059\u308b\u624b\u9806\u304c mrusty \u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u3001
\n\u81ea\u5206\u306e\u4f7f\u7528\u3057\u305f\u3044\u3000mrbgem \u3092\u7d44\u307f\u8fbc\u3093\u3060 mruby \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308b\u70b9\u306a\u3069\u304c\u6319\u3052\u308c\u308c\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001mruby \u306e FFI \u306e\u5b9a\u7fa9\u3082 mrusty \u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u305f\u3081\u3001
\nmruby \u81ea\u4f53\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306b\u3088\u3063\u3066\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u3084\u3001
\n\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306b\u95a2\u3059\u308b\u8ffd\u5f93\u3092\u3069\u3053\u307e\u3067\u884c\u3048\u308b\u304b\u3068\u3044\u3063\u305f\u90e8\u5206\u306b\u4e0d\u5b89\u304c\u6b8b\u308b\u4eba\u3082\u3044\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3068\u306f\u3044\u3048\u3001\u5229\u7528\u65b9\u6cd5\u81ea\u4f53\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u305f\u3081\u3001
\n\u81ea\u8eab\u3067\u4f5c\u3063\u305f Rust \u306e\u30d7\u30ed\u30c0\u30af\u30c8\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u306a\u8a2d\u5b9a\u7528\u8a00\u8a9e\u3068\u3057\u3066\u306e\u5229\u7528\u306b\u95a2\u3057\u3066\u306f\u60aa\u304f\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

\u8a66\u3057\u306b\u3001mrusty \u3092\u4f7f\u7528\u3057\u3066\u3001\u7b2c\u4e00\u5f15\u6570\u306b\u6e21\u3055\u308c\u305f mruby \u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u307e\u305a\u3001cargo \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080 Rust \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

cargo new mrusty-example --bin\r\n<\/code><\/pre>\n
\u6b21\u306b\u3001mrusty (\u3068\u3064\u3044\u3067\u306b getopts) \u3092\u4f9d\u5b58\u95a2\u4fc2\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
cat <<EOT >> Cargo.toml\r\nmrusty = \"*\"\r\ngetopts = \"*\"\r\nEOT\r\n<\/code><\/pre>\n
\u305d\u3057\u3066\u3001src\/main.rs \u3092\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
extern<\/span> crate<\/span> getopts<\/span>;<\/span>\r\nextern<\/span> crate<\/span> mrusty<\/span>;<\/span>\r\n\r\nuse<\/span> std<\/span>::<\/span>fs<\/span>::<\/span>File<\/span>;<\/span>\r\nuse<\/span> std<\/span>::<\/span>io<\/span>::<\/span>Read<\/span>;<\/span>\r\nuse<\/span> std<\/span>::<\/span>env<\/span>::<\/span>args<\/span>;<\/span>\r\nuse<\/span> getopts<\/span>::<\/span>Options<\/span>;<\/span>\r\nuse<\/span> mrusty<\/span>::{<\/span>Mruby<\/span>,<\/span> MrubyImpl<\/span>};<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n    let<\/span> args<\/span>:<\/span> Vec<\/span><<\/span>String<\/span>><\/span> =<\/span> args<\/span>()<\/span>.collect<\/span>();<\/span>\r\n\r\n    let<\/span> mut<\/span> opts<\/span> =<\/span> Options<\/span>::<\/span>new<\/span>();<\/span>\r\n\r\n    opts<\/span>.optopt<\/span>(<\/span>\"f\"<\/span>,<\/span> \"file\"<\/span>,<\/span> \"target file path\"<\/span>,<\/span> \"FILE\"<\/span>);<\/span>\r\n    let<\/span> matches<\/span> =<\/span> match<\/span> opts<\/span>.parse<\/span>(<\/span>&<\/span>args<\/span>[<\/span>1<\/span>..<\/span>])<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>m<\/span>)<\/span> =><\/span> {<\/span> m<\/span> }<\/span>\r\n        Err<\/span>(<\/span>f<\/span>)<\/span> =><\/span> {<\/span> panic!<\/span>(<\/span>f<\/span>.to_string<\/span>())<\/span> }<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> mut<\/span> data<\/span> =<\/span> Vec<\/span>::<\/span>new<\/span>();<\/span>\r\n    let<\/span> path<\/span> =<\/span> matches<\/span>.opt_str<\/span>(<\/span>\"f\"<\/span>);<\/span>\r\n\r\n    let<\/span> mut<\/span> file<\/span> =<\/span> File<\/span>::<\/span>open<\/span>(<\/span>path<\/span>.unwrap<\/span>())<\/span>.expect<\/span>(<\/span>\"Unable to open file\"<\/span>);<\/span>\r\n    file<\/span>.read_to_end<\/span>(<\/span>&<\/span>mut<\/span> data<\/span>)<\/span>.expect<\/span>(<\/span>\"Unable to read data\"<\/span>);<\/span>\r\n\r\n    let<\/span> mruby<\/span> =<\/span> Mruby<\/span>::<\/span>new<\/span>();<\/span>\r\n    let<\/span> result<\/span> =<\/span> mruby<\/span>.run<\/span>(<\/span>&<\/span>String<\/span>::<\/span>from_utf8<\/span>(<\/span>data<\/span>)<\/span>.unwrap<\/span>())<\/span>.unwrap<\/span>();<\/span>\r\n\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> result<\/span>.to_i32<\/span>()<\/span>.unwrap<\/span>());<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u306f\u3001-f \u3067\u6307\u5b9a\u3055\u308c\u305f mruby \u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3057\u3001
\n\u5b9f\u884c\u3057\u305f\u7d50\u679c\u306e\u8fd4\u308a\u5024\u3092 Rust \u306e int32 \u578b\u3067\u51fa\u529b\u3059\u308b\u3060\u3051\u306e\u7c21\u5358\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u3067\u30d3\u30eb\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
cargo build\r\n<\/code><\/pre>\n
\u5b9f\u884c\u3059\u308b mruby \u30d5\u30a1\u30a4\u30eb\u3092 main.rb \u3068\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
def<\/span> main<\/span>\r\n  42<\/span>\r\nend<\/span>\r\n\r\nmain<\/span>\r\n<\/code><\/pre>\n
\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002
\n(\u3061\u306a\u307f\u306b main \u306e\u8fd4\u308a\u5024\u3092 Integer \u4ee5\u5916\u306b\u3059\u308b\u3068 Panic \u306b\u306a\u308a\u307e\u3059)<\/p>\n
$ target\/debug\/mrusty-example -f main.rb\r\n42\r\n<\/code><\/pre>\n
\u307e\u305f\u3001mrusty \u306e\u9762\u767d\u3044\u3068\u3053\u308d\u3068\u3057\u3066\u3001describe \u3084 require \u3092\u3001
\n\u72ec\u81ea\u306b\u5b9f\u88c5\u3057\u3066\u3044\u308b \u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001 lib.rb \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u65b0\u305f\u306b\u4f5c\u6210\u3057\u3001
\n\u5148\u307b\u3069\u306e main.rb\u3000\u3092\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u3082\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n
    lib.rb<\/ul>\n
    def<\/span> fib<\/span>(<\/span>n<\/span>,<\/span> a<\/span> =<\/span> 1<\/span>,<\/span> b<\/span> =<\/span> 0<\/span>)<\/span>\r\n  if<\/span> n<\/span> ==<\/span> 0<\/span>\r\n    0<\/span>\r\n  elsif<\/span> n<\/span> ==<\/span> 1<\/span>\r\n    a<\/span>\r\n  else<\/span>\r\n    fib<\/span>(<\/span>n<\/span> -<\/span> 1<\/span>,<\/span> a<\/span> +<\/span> b<\/span>,<\/span> a<\/span>)<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
      main.rb<\/ul>\n
      require<\/span> \"lib\"<\/span>\r\n\r\ndef<\/span> main<\/span>\r\n  fib<\/span>(<\/span>10<\/span>)<\/span>\r\nend<\/span>\r\n\r\nmain<\/span>\r\n<\/code><\/pre>\n
      $ target\/debug\/mrusty-example -f main.rb\r\n55\r\n<\/code><\/pre>\n
      \u306a\u304a\u4e0a\u8a18\u3068\u540c\u3058\u3082\u306e\u3092 https:\/\/github.com\/rrreeeyyy\/mrusty-example \u306b\u7f6e\u3044\u3066\u304a\u304d\u307e\u3057\u305f\u3002<\/p>\n
      mferuby<\/h2>\n
      \u5148\u307b\u3069\u306f Rust\u3000\u306e\u4e2d\u3067 mruby \u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b Crate \u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002
      \n\u4eca\u5ea6\u306f\u3001Rust \u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067 mruby \u306e\u62e1\u5f35\u3067\u3042\u308b mrbgem \u3092\u4f5c\u308c\u308b\u3001
      \nmferuby \u3092\u7d39\u4ecb\u3057\u307e\u3059 (\u3061\u306a\u307f\u306b\u4f5c\u8005\u306f mruby-cli \u306e\u65b9\u3067\u3059)\u3002<\/p>\n
      \u4ed5\u7d44\u307f\u3068\u3057\u3066\u306f\u3001mrbgem \u3092\u4f5c\u308b\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u3092\u3001
      \nRust \u5074\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7528\u610f\u3057\u3066\u304a\u308a\u3001
      \n\u3053\u306e\u95a2\u6570\u3092 Rust \u5074\u3067\u547c\u3076\u3053\u3068\u3067\u3001mrbgem \u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
      \u4f7f\u7528\u4f8b\u3068\u3057\u3066\u3001\u4f5c\u8005\u672c\u4eba\u304c\u4f5c\u3063\u3066\u3044\u308b mruby-rust-hello-world \u3068\u3044\u3046 mrbgem \u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
      \u3053\u306e\u901a\u308a\u3001mferuby \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b Rust \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001mrbgem \u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
      \u3053\u306e\u3088\u3046\u306b \u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001Hello \u3068\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n
      mferuby \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u95a2\u6570\u306f\u591a\u304f\u306a\u3044\u306e\u3067\u3001
      \nmrbgem \u3092\u4f5c\u6210\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u5168\u3066\u306e\u95a2\u6570\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001
      \n\u5b9a\u7fa9\u304c\u9032\u3093\u3067\u3044\u3051\u3070\u3001Rust \u30e9\u30a4\u30d6\u30e9\u30ea\u3092 mruby \u5074\u304b\u3089\u547c\u3073\u51fa\u3059\u3053\u3068\u3082\u5341\u5206\u53ef\u80fd\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
      \u307e\u3068\u3081<\/h2>\n
      mrusty \u3082 mferuby \u3082\u3069\u3061\u3089\u3082\u5b89\u5b9a\u7248\u3068\u3044\u3063\u305f\u8a33\u3067\u306f\u306a\u3044\u3067\u3059\u304c\u3001
      \nRust \u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u7528\u8a00\u8a9e\u3068\u3057\u3066\u4f7f\u3046\u7528\u9014\u3084\u3001
      \nRust \u3092\u5c11\u3057\u66f8\u3044\u3066 mrbgem \u306b\u3057\u305f\u3044\u3001Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092 mruby \u304b\u3089\u547c\u3073\u51fa\u3057\u305f\u3044\u3068\u3044\u3046\u7528\u9014\u3067\u306f\u5c06\u6765\u6027\u304c\u3042\u308a\u305d\u3046\u306a\u7269\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n
      C \u8a00\u8a9e\u3092\u66f8\u304d\u305f\u304f\u306a\u3044\u65b9\u3084 Rust \u306e\u52c9\u5f37\u304c\u3057\u305f\u3044\u65b9\u3001\u5805\u7262\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u3063\u3066\u307f\u305f\u3044\u65b9\u306f\u305c\u3072\u8a66\u3057\u3066\u307f\u308b\u3068\u3044\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      mruby \u3068 Rust \u3053\u306e\u8a18\u4e8b\u306f mruby advent calendar \u306e 9 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u8af8 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45282","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45282-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"mruby \u3068 Rust \u3053\u306e\u8a18\u4e8b\u306f mruby advent calendar \u306e 9 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u8af8 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45282-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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