Reminds me of Coccinelle - a language for writing semantic patches for C (like eg: add close_foo(fooid) in every function that has open_foo for each fooid etc..

Reminds me of Coccinelle - a language for writing semantic patches for C (like eg: add close_foo(fooid) in every function that has open_foo for each fooid etc...) , but I see Rascal can do some more.