{"id":45367,"date":"2023-03-07T08:57:33","date_gmt":"2023-03-09T20:59:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45367-2\/"},"modified":"2024-04-29T17:45:33","modified_gmt":"2024-04-29T09:45:33","slug":"45367-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45367-2\/","title":{"rendered":""},"content":{"rendered":"<p>emacs25\u304b\u3089dynamic module\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u6298\u89d2\u306a\u306e\u3067\u3001rust\u3092\u4f7f\u3063\u3066\u305d\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h1>\u53c2\u8003<\/h1>\n<p>Emacs\u306b mruby\u3092\u7d44\u307f\u8fbc\u3093\u3067\u307f\u305f<\/p>\n<h1>\u7528\u610f\u3059\u308b\u3082\u306e<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>rust(1.9.0)<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>emacs(25.x)<\/ol>\n<h1>emacs<\/h1>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>git clone <span class=\"nt\">-b<\/span> emacs-25 https:\/\/github.com\/emacs-mirror\/emacs.git <span class=\"nt\">--depth<\/span> 1\r\n<span class=\"nv\">$ <\/span>.\/autogen.sh\r\n<span class=\"nv\">$ <\/span>.\/configure <span class=\"nt\">--with-modules<\/span>\r\n<span class=\"nv\">$ <\/span>make\r\n\r\n<\/code><\/pre>\n<h1>Cargo+Rust<\/h1>\n<p>crates\u306bemacs\u3068\u3044\u3046\u305d\u308c\u3063\u307d\u3044\u3082\u306e\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nn\">[package]<\/span>\r\n<span class=\"py\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"emacs-rust-fib\"<\/span>\r\n\r\n<span class=\"nn\">[lib]<\/span>\r\n<span class=\"py\">path<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"src\/lib.rs\"<\/span>\r\n<span class=\"py\">crate-type<\/span> <span class=\"p\">=<\/span> <span class=\"nn\">[\"dylib\"]<\/span>\r\n\r\n<span class=\"nn\">[dependencies]<\/span>\r\n<span class=\"py\">libc<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"*\"<\/span>\r\n<span class=\"py\">emacs<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"*\"<\/span>\r\n\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nd\">#![allow(non_snake_case,<\/span> <span class=\"nd\">non_camel_case_types)]<\/span>\r\n<span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">libc<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">emacs<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">os<\/span><span class=\"p\">::<\/span><span class=\"nn\">raw<\/span><span class=\"p\">::{<\/span><span class=\"nb\">c_int<\/span><span class=\"p\">,<\/span> <span class=\"nb\">c_void<\/span><span class=\"p\">,<\/span> <span class=\"nb\">c_char<\/span><span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">ptr<\/span><span class=\"p\">::<\/span><span class=\"n\">null_mut<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">ffi<\/span><span class=\"p\">::{<\/span><span class=\"n\">CString<\/span><span class=\"p\">,<\/span> <span class=\"n\">CStr<\/span><span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">emacs<\/span><span class=\"p\">::{<\/span><span class=\"n\">get_environment<\/span><span class=\"p\">,<\/span> <span class=\"n\">provide<\/span><span class=\"p\">,<\/span> <span class=\"n\">bind_function<\/span><span class=\"p\">,<\/span> <span class=\"n\">make_function<\/span><span class=\"p\">,<\/span> <span class=\"n\">find_function<\/span><span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">emacs<\/span><span class=\"p\">::<\/span><span class=\"nn\">emacs_module<\/span><span class=\"p\">::{<\/span><span class=\"n\">emacs_env<\/span><span class=\"p\">,<\/span> <span class=\"n\">emacs_value<\/span><span class=\"p\">,<\/span> <span class=\"n\">intmax_t<\/span><span class=\"p\">,<\/span> <span class=\"nb\">ptrdiff_t<\/span><span class=\"p\">,<\/span> <span class=\"n\">Struct_emacs_runtime<\/span><span class=\"p\">};<\/span>\r\n\r\n\r\n<span class=\"c\">\/\/ \u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">:<\/span> <span class=\"n\">intmax_t<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">intmax_t<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">match<\/span> <span class=\"n\">i<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"mi\">0<\/span> <span class=\"p\">|<\/span> <span class=\"mi\">1<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">n<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"o\">+<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">unsafe<\/span> <span class=\"k\">extern<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">f_fib<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">env<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_env<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ptrdiff_t<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">args<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_value<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"nb\">c_void<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ \u5f15\u6570\u30921\u3064\u3068\u3063\u3066\u304d\u3066<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">arg0<\/span> <span class=\"o\">=<\/span> <span class=\"o\">*<\/span><span class=\"n\">args<\/span><span class=\"nf\">.offset<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"n\">emacs_value<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"c\">\/\/ rust\u3067\u5229\u7528\u3059\u308b\u5f62\u306b\u5909\u66f4<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">r_i<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.extract_integer<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">arg0<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c\">\/\/ \u8a08\u7b97\u7d50\u679c\u3092emacs\u7528\u306b\u5909\u63db<\/span>\r\n    <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.make_integer<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">r_i<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ (buffer-substring-no-properties (point-min) (point-max))<\/span>\r\n<span class=\"k\">unsafe<\/span> <span class=\"k\">extern<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">f_buffer_substring_from_rust<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"n\">env<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_env<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ptrdiff_t<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_value<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"nb\">c_void<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">buffer_substring_no_properties<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">find_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"buffer-substring-no-properties\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">point_min<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">find_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"point-min\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">point_max<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">find_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"point-max\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">());<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">args1<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span><span class=\"nf\">.as_mut_ptr<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">args2<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span><span class=\"nf\">.as_mut_ptr<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">pmin<\/span><span class=\"p\">:<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.funcall<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">point_min<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">args1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">pmax<\/span><span class=\"p\">:<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.funcall<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">point_max<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">args2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">args3<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"n\">pmin<\/span><span class=\"p\">,<\/span> <span class=\"n\">pmax<\/span><span class=\"p\">]<\/span><span class=\"nf\">.as_mut_ptr<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">text<\/span><span class=\"p\">:<\/span> <span class=\"n\">emacs_value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.funcall<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">buffer_substring_no_properties<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"n\">args3<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">buf_size<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">i64<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Box<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.copy_string_contents<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">text<\/span><span class=\"p\">,<\/span> <span class=\"nf\">null_mut<\/span><span class=\"p\">(),<\/span> <span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"o\">*<\/span><span class=\"n\">buf_size<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">buf<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">c_char<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Vec<\/span><span class=\"p\">::<\/span><span class=\"nf\">with_capacity<\/span><span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">buf_size<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">buf_ptr<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"nb\">c_char<\/span> <span class=\"o\">=<\/span> <span class=\"n\">buf<\/span><span class=\"nf\">.as_mut_slice<\/span><span class=\"p\">()<\/span><span class=\"nf\">.as_mut_ptr<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.copy_string_contents<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"n\">text<\/span><span class=\"p\">,<\/span> <span class=\"n\">buf_ptr<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"o\">*<\/span><span class=\"n\">buf_size<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">buf_str<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"p\">[<\/span><span class=\"nb\">c_char<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">slice<\/span><span class=\"p\">::<\/span><span class=\"nf\">from_raw_parts_mut<\/span><span class=\"p\">(<\/span><span class=\"n\">buf_ptr<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">buf_size<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">buf_str_ptr<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">CStr<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">ffi<\/span><span class=\"p\">::<\/span><span class=\"nn\">CStr<\/span><span class=\"p\">::<\/span><span class=\"nf\">from_ptr<\/span><span class=\"p\">(<\/span><span class=\"n\">buf_str<\/span><span class=\"nf\">.as_ptr<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">buf_string<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"n\">buf_str_ptr<\/span><span class=\"nf\">.to_string_lossy<\/span><span class=\"p\">()<\/span><span class=\"nf\">.into_owned<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">new_buf_string<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"nd\">format!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} from rust\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">buf_string<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"p\">(<\/span><span class=\"o\">*<\/span> <span class=\"n\">env<\/span><span class=\"p\">)<\/span><span class=\"py\">.make_string<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"nn\">CString<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">new_buf_string<\/span><span class=\"nf\">.as_str<\/span><span class=\"p\">())<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"nf\">.as_ptr<\/span><span class=\"p\">(),<\/span> <span class=\"n\">new_buf_string<\/span><span class=\"nf\">.len<\/span><span class=\"p\">()<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[no_mangle]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">extern<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">plugin_is_GPL_compatible<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">libc<\/span><span class=\"p\">::<\/span><span class=\"nb\">c_int<\/span> <span class=\"p\">{<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">}<\/span> \r\n\r\n<span class=\"nd\">#[no_mangle]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">extern<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">emacs_module_init<\/span><span class=\"p\">(<\/span><span class=\"n\">ert<\/span><span class=\"p\">:<\/span> <span class=\"o\">*<\/span><span class=\"k\">mut<\/span> <span class=\"n\">Struct_emacs_runtime<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">c_int<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">env<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_environment<\/span><span class=\"p\">(<\/span><span class=\"n\">ert<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c\">\/\/ \u5f15\u65701\u3064<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">defun_fib<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">make_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"nf\">Some<\/span><span class=\"p\">(<\/span><span class=\"n\">f_fib<\/span><span class=\"p\">),<\/span> <span class=\"s\">\"fibonacci\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">(),<\/span> <span class=\"nf\">null_mut<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"c\">\/\/ (fib-r 10)<\/span>\r\n    <span class=\"nf\">bind_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fib-r\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">(),<\/span> <span class=\"n\">defun_fib<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c\">\/\/ (buffer-substring-r)<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">defun_buffer_substring<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">make_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nf\">Some<\/span><span class=\"p\">(<\/span><span class=\"n\">f_buffer_substring_from_rust<\/span><span class=\"p\">),<\/span> <span class=\"s\">\"\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">(),<\/span> <span class=\"nf\">null_mut<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"nf\">bind_function<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"buffer-substring-r\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">(),<\/span> <span class=\"n\">defun_buffer_substring<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c\">\/\/ (prove 'rust-fib)<\/span>\r\n    <span class=\"nf\">provide<\/span><span class=\"p\">(<\/span><span class=\"n\">env<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"rust-fib\"<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">());<\/span>\r\n\r\n    <span class=\"mi\">0<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u30d3\u30eb\u30c9<\/h1>\n<p>.so\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u306a\u3044\u3068\u8aad\u307f\u8fbc\u307e\u306a\u304b\u3063\u305f\u306e\u3067\u2026<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cargo build\r\n\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">mv <\/span>target\/debug\/libemacs_rust_fib.dylib  target\/debug\/rust-fib.so\r\n<\/code><\/pre>\n<h1>emacs\u304b\u3089\u5229\u7528<\/h1>\n<pre class=\"post-pre\"><code><span class=\"p\">(<\/span><span class=\"nb\">require<\/span> <span class=\"ss\">'rust-fib<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"p\">(<\/span><span class=\"nv\">message<\/span> <span class=\"p\">(<\/span><span class=\"nb\">format<\/span> <span class=\"s\">\"fib(10): %d\"<\/span> <span class=\"p\">(<\/span><span class=\"nv\">fib-r<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)))<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>src\/emacs <span class=\"nt\">-Q<\/span> <span class=\"nt\">-L<\/span> &lt;cargo\u306e\u30d1\u30b9&gt;\/target\/debug <span class=\"nt\">-batch<\/span> <span class=\"nt\">-l<\/span> rust-fib-test.el\r\nfib<span class=\"o\">(<\/span>10<span class=\"o\">)<\/span>: 55\r\n<\/code><\/pre>\n<h1>\u307e\u3068\u3081<\/h1>\n<p>rust\u306e\u307f\u3067emacs\u306edynamic module\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\ncargo build &#8211;release\u3060\u3068\u4e0a\u624b\u304f\u3044\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u8981\u8abf\u67fb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>emacs25\u304b\u3089dynamic module\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002 \u6298\u89d2\u306a\u306e\u3067\u3001rust\u3092\u4f7f\u3063\u3066\u305d\u306e\u6a5f\u80fd [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45367","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- 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\/45367-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"emacs25\u304b\u3089dynamic module\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002 \u6298\u89d2\u306a\u306e\u3067\u3001rust\u3092\u4f7f\u3063\u3066\u305d\u306e\u6a5f\u80fd [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45367-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-09T20:59:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T09:45:33+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" 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