--- a/nsis-mode.el	Sun Jun 19 17:05:50 2011 +0300
+++ b/nsis-mode.el	Sun Jun 19 23:02:11 2011 +0300
@@ -72,6 +72,23 @@
    )
  )
 
+(setq nsis-imenu-generic-expression
+      '(
+        ("Defines"  "^!define[[:blank:]]+\\([[:word:]]+\\)" 1)
+        ("Sections"  "^Section[[:blank:]]+\\(-?[[:word:]]+\\)" 1)
+        ("Functions"  "^Function[[:blank:]]+\\([[:word:]]+\\)" 1)
+        ))
+
+(add-hook
+ 'nsis-mode-hook
+ (lambda ()
+   (setq imenu-generic-expression nsis-imenu-generic-expression)
+   ) )
+
+(eval-after-load 'which-func
+  '(add-to-list 'which-func-modes 'nsis-mode)
+  )
+
 (provide 'nsis-mode)
 
 ;;; nsis-mode.el ends here