Simplify the structure of the library

build.zig

@@ -26,11 +26,11 @@ pub fn build(b: *Build) void {
     // Zig module
     const ziglua = b.addModule("ziglua", .{
         .root_source_file = switch (lang) {
-            .lua51 => .{ .path = "src/ziglua-5.1/lib.zig" },
-            .lua52 => .{ .path = "src/ziglua-5.2/lib.zig" },
-            .lua53 => .{ .path = "src/ziglua-5.3/lib.zig" },
-            .lua54 => .{ .path = "src/ziglua-5.4/lib.zig" },
-            .luau => .{ .path = "src/zigluau/lib.zig" },
+            .lua51 => .{ .path = "src/lib51.zig" },
+            .lua52 => .{ .path = "src/lib52.zig" },
+            .lua53 => .{ .path = "src/lib53.zig" },
+            .lua54 => .{ .path = "src/lib54.zig" },
+            .luau => .{ .path = "src/libluau.zig" },
         },
     });
 
@@ -58,13 +58,7 @@ pub fn build(b: *Build) void {
 
     // Tests
     const tests = b.addTest(.{
-        .root_source_file = switch (lang) {
-            .lua51 => .{ .path = "src/ziglua-5.1/tests.zig" },
-            .lua52 => .{ .path = "src/ziglua-5.2/tests.zig" },
-            .lua53 => .{ .path = "src/ziglua-5.3/tests.zig" },
-            .lua54 => .{ .path = "src/ziglua-5.4/tests.zig" },
-            .luau => .{ .path = "src/zigluau/tests.zig" },
-        },
+        .root_source_file = .{ .path = "src/tests.zig" },
         .target = target,
         .optimize = optimize,
     });
@@ -181,7 +175,7 @@ fn buildLuau(b: *Build, target: Build.ResolvedTarget, optimize: std.builtin.Opti
     for (luau_source_files) |file| {
         lib.addCSourceFile(.{ .file = upstream.path(file), .flags = &flags });
     }
-    lib.addCSourceFile(.{ .file = .{ .path = "src/zigluau/luau.cpp" }, .flags = &flags });
+    lib.addCSourceFile(.{ .file = .{ .path = "src/luau.cpp" }, .flags = &flags });
     lib.linkLibCpp();
 
     return lib;

src/zigluau/lib.zig → src/libluau.zig

@@ -114,6 +114,7 @@ pub const Integer = c.lua_Integer;
 /// Bitflag for the Lua standard libraries
 pub const Libs = packed struct {
     base: bool = false,
+    coroutine: bool = false,
     package: bool = false,
     string: bool = false,
     utf8: bool = false,
@@ -411,8 +412,10 @@ pub const Lua = struct {
 
     /// Pushes onto the stack the value of the global name
     /// See https://www.lua.org/manual/5.1/manual.html#lua_getglobal
-    pub fn getGlobal(lua: *Lua, name: [:0]const u8) LuaType {
-        return @enumFromInt(c.lua_getglobal(lua.state, name.ptr));
+    pub fn getGlobal(lua: *Lua, name: [:0]const u8) !LuaType {
+        const lua_type: LuaType = @enumFromInt(c.lua_getglobal(lua.state, name.ptr));
+        if (lua_type == .nil) return error.Fail;
+        return lua_type;
     }
 
     /// If the value at the given index has a metatable, the function pushes that metatable onto the stack
@@ -1258,6 +1261,7 @@ pub const Lua = struct {
     /// See https://www.lua.org/manual/5.1/manual.html#luaL_openlibs
     pub fn open(lua: *Lua, libs: Libs) void {
         if (libs.base) lua.requireF("", c.luaopen_base);
+        if (libs.coroutine) lua.requireF(c.LUA_COLIBNAME, c.luaopen_coroutine);
         if (libs.string) lua.requireF(c.LUA_STRLIBNAME, c.luaopen_string);
         if (libs.table) lua.requireF(c.LUA_TABLIBNAME, c.luaopen_table);
         if (libs.math) lua.requireF(c.LUA_MATHLIBNAME, c.luaopen_math);
@@ -1282,11 +1286,21 @@ pub const Lua = struct {
         _ = c.luaopen_base(lua.state);
     }
 
+    /// Open the coroutine standard library
+    pub fn openCoroutine(lua: *Lua) void {
+        _ = c.luaopen_coroutine(lua.state);
+    }
+
     /// Open the string standard library
     pub fn openString(lua: *Lua) void {
         _ = c.luaopen_string(lua.state);
     }
 
+    /// Open the UTF-8 standard library
+    pub fn openUtf8(lua: *Lua) void {
+        _ = c.luaopen_utf8(lua.state);
+    }
+
     /// Open the table standard library
     pub fn openTable(lua: *Lua) void {
         _ = c.luaopen_table(lua.state);