Where Report codes are located??

Anyone tell me to find the report code in suitecrm… i need to change the Report for my custom style…
I’m debugging the script line by line…But i can’t find the location…
Please anyone respond me

Anything under

modules/AOR*

AOR means “Advanced Open Reports”.

thanks for your response pgr…

I need to find where the sql query are formed and retrieve the data from database…