How does this compare to Common Lisp or Scheme macros in in terms of amount of code needed to generate things? How does it compare in terms of what kind of func

How does this compare to Common Lisp or Scheme macros in in terms of amount of code needed to generate things? How does it compare in terms of what kind of functions and instructions are used? Can one use standard Java language to use it? Could one for example throw a for loop in there or directly write something like "class Point { ..."?