is there a simple compiler for a small language

Question

I am looking for a simple compiler that compiles a simple language, I need it to write a paper about it and to learn how compilers work, I am not looking for a sophisticated thi

Answer 1

Jack Crenshaw, a Ph.D. who has written extensively about practical numerical methods, was scared of compilers for a long time. He finally got tired of being scared, and wrote a multi-part tutorial on compiler construction, based on what he learned as he was teaching himself about the subject.

See "Let's Build a Compiler" for more information. Note that it isn't complete; he ran out of steam before he finished it, but there is a lot of easily-digestible information in there.