port neovim settings to zig

mzte-nv/build.zig.zon

@@ -4,8 +4,8 @@
 
     .dependencies = .{
         .znvim = .{
-            .url = "https://mzte.de/git/LordMZTE/znvim/archive/0f07217feb2ed4e0295242a7b0a157a5f7314602.tar.gz",
-            .hash = "12208ff8bcbed85791fc4a98063967723f351b7898b651a7a3aa75d32dec04bb4a0e",
+            .url = "https://github.com/LordMZTE/znvim/archive/0a55798f24e084faef68e93f180683157a417639.tar.gz",
+            .hash = "1220489beca4ac48804ddfbe85b158a49ee2ceb4bbd98fc03e76f18ec01517f5521a",
         },
     },
 }

mzte-nv/conf/lua/settings.fnl

@@ -1,55 +1,5 @@
 (local cmd vim.cmd)
 
-(local (wo g opt) (values vim.wo vim.g vim.opt))
-
-;; Shell
-(set opt.shell :fish)
-
-(cmd "syntax on")
-
-;; Quicker updatetime
-(set opt.updatetime 1000)
-
-;; Indentation
-(set opt.tabstop 4)
-(set opt.shiftwidth 4)
-(set opt.expandtab true)
-
-;; Search
-(set opt.ignorecase true)
-(set opt.smartcase true)
-
-;; Window config
-(set opt.scrolloff 10)
-(set opt.number true)
-(set opt.relativenumber true)
-(set opt.guifont "Iosevka Nerd Font Mono:h10")
-(set opt.mouse :a)
-(set opt.termguicolors true)
-(set opt.cursorline true)
-(set opt.cursorcolumn true)
-
-;; Colorcolumn
-(set opt.colorcolumn :100)
-
-;; Folds
-(set opt.conceallevel 2)
-
-;; Disable unwanted filetype mappings
-(set g.no_plugin_maps true)
-
-;; Disable automatic formatting of Zig code (this is on by default!!!)
-(set g.zig_fmt_autosave 0)
-
-;; Other settings
-(cmd "colorscheme dracula")
-(cmd "filetype plugin on")
-
-;; Disable garbage providers
-(let [garbage [:python :python3 :ruby :perl :node]]
-  (each [_ ga (ipairs garbage)]
-    (tset g (.. :loaded_ ga :_provider) false)))
-
 ;; Compile commands
 (let [compile-path (. (require :mzte_nv) :compile :compilePath)
       make-cmd vim.api.nvim_create_user_command]

mzte-nv/src/main.zig

@@ -70,6 +70,8 @@ export fn luaopen_mzte_nv(l_: ?*c.lua_State) c_int {
 }
 
 fn lOnInit(l: *c.lua_State) !c_int {
+    try @import("options.zig").initOptions();
+
     c.lua_getglobal(l, "vim"); // 1
     c.lua_getfield(l, 1, "version");
     c.lua_call(l, 0, 1); // 2

mzte-nv/src/options.zig

@@ -0,0 +1,88 @@
+const std = @import("std");
+const znvim = @import("znvim");
+const nvim = @import("nvim");
+
+const log = std.log.scoped(.options);
+
+/// Initializes neovim options.
+pub fn initOptions() !void {
+    // Shell (defaults to mzteinit since that's my login shell)
+    try setOption("shell", "fish");
+
+    try cmd("syntax on");
+
+    // Quicker updatetime
+    try setOption("updatetime", 1000);
+
+    // Indentation
+    try setOption("tabstop", 4);
+    try setOption("shiftwidth", 4);
+    try setOption("expandtab", true);
+
+    // Search
+    try setOption("ignorecase", true);
+    try setOption("smartcase", true);
+
+    // Window Config
+    try setOption("colorcolumn", "100");
+    try setOption("cursorcolumn", true);
+    try setOption("cursorline", true);
+    try setOption("guifont", "Iosevka Nerd Font Mono:h10");
+    try setOption("mouse", "a");
+    try setOption("number", true);
+    try setOption("relativenumber", true);
+    try setOption("scrolloff", 10);
+    try setOption("termguicolors", true);
+
+    // Folds
+    try setOption("conceallevel", 2);
+
+    // Disable unwanted filetype mappings
+    setVar("g:no_plugin_maps", .{ .bool = true });
+
+    // Disable automatic formatting of Zig code (this is on by default!!!)
+    setVar("g:zig_fmt_autosave", .{ .bool = false });
+
+    // Other settings
+    try cmd("colorscheme dracula");
+    try cmd("filetype plugin on");
+
+    // Disable garbage providers
+    for ([_][]const u8{
+        "python",
+        "python3",
+        "ruby",
+        "perl",
+        "node",
+    }) |garbage| {
+        var buf: [64]u8 = undefined;
+        const opt = try std.fmt.bufPrintZ(&buf, "g:loaded_{s}_provider", .{garbage});
+        setVar(opt, .{ .bool = false });
+    }
+}
+
+fn setOption(key: [*:0]const u8, value: anytype) !void {
+    const Val = @TypeOf(value);
+    const ret = switch (@typeInfo(Val)) {
+        .Pointer => nvim.set_option_value(key, 0, value, 0),
+        .Int, .ComptimeInt => nvim.set_option_value(key, value, null, 0),
+        .Bool => nvim.set_option_value(key, @boolToInt(value), null, 0),
+        else => @compileError("Unsupported value type: " ++ @typeName(Val)),
+    };
+
+    if (ret) |err| {
+        log.err("Setting option: {s}", .{err});
+        return error.SetOption;
+    }
+}
+
+fn setVar(key: [:0]const u8, value: znvim.TypVal) void {
+    var val = value.toNvim();
+    nvim.set_var(key, key.len, &val, false);
+}
+
+fn cmd(cmd_s: [*:0]const u8) !void {
+    if (nvim.do_cmdline_cmd(cmd_s) != nvim.OK) {
+        return error.ExecCmd;
+    }
+}