How can i read functions inside .inc files and populate TW?

Question

Hi all,

I want to read some function inside include file and populate treeview.

For Example:

+ Include Files
|
|-----+ foo.inc
         |
         |-------- exampleFunction1
------ |-------- exampleFunction2
|
|------+ other.inc
         |
         | ---- exampleFunction1
         | ---- bla bla bla


i want only read function start with function without parameters.

Example Func: function setValue(string value);
I Want: setValue



How i can do this? Thanks :)