we're now loading a config file!

src/lua/bridge.zig

@@ -0,0 +1,28 @@
+const Bridge = @This();
+
+const std = @import("std");
+const Lua = @import("lua.zig");
+
+const gpa = std.heap.c_allocator;
+
+pub fn getNestedField(L: *Lua, path: []u8) bool {
+  var tokens = std.mem.tokenizeScalar(u8, path, '.');
+  var first = true;
+
+  while (tokens.next()) |token| {
+    const tok = gpa.dupeZ(u8, token) catch return false;
+    if (first) {
+      _ = L.state.getGlobal(tok) catch return false;
+      first = false;
+    } else {
+      _ = L.state.getField(-1, tok);
+      L.state.remove(-2);
+    }
+
+    if (L.state.isNil(-1)) {
+      return false;
+    }
+  }
+
+  return true;
+}