Yeah the problem is that grep understands lines of text but not the structure of code. But code should be understandable by a computer program (by definition it

Yeah the problem is that grep understands lines of text but not the structure of code. But code should be understandable by a computer program (by definition it has to be at some point) so you should be able to use a tool that understands the structure of the code it's reading rather than just seeing a bunch of lines of text.