analysis an array

Hi,

I want to get all information about an array,for example
int a[5]={1,2,3,4,5}
I analysis this stmt and get the array type is "int",array name is "a" ,size
is 5 and initialize data are "1,2,3,4,5".which clang API can i use and What
material i must learn?

Best regards,
Rambo