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

You may look at Calculator example in Bjarne Stroustrup's hilarious book "The C++ programming language".

If you want something more advanced, read the source code of boost::spirit.