I'm reading the book *crafting a compiler with c* by *Charles N. Fischer*. here are some notes from the book. quotation marks signify a direct text-grab from the book. i hope this notes could later become someting useful for me or someone else. All credit goes to him, im publishing this as notes, no a "direct copy" of the book. Graphs and everything are based on the ones included on the book. Please go buy the book if these notes were useful to you.