LispWorks for example has a documented and extensible mechanism to record the locations of definitions: http://www.lispworks.com/documentation/lw80/lw/lw-dspec

LispWorks for example has a documented and extensible mechanism to record the locations of definitions: http://www.lispworks.com/documentation/lw80/lw/lw-dspecs-ug.htm http://www.lispworks.com/documentation/lw80/lw/lw-dspecs-ug.... Common Lisp has standard function FUNCTION-LAMBDA-EXPRESSION: * (defun foo (a) (my-if (> a 10) 'big 'small)) FOO * (function-lambda-expression #'foo) (LAMBDA (A) (BLOCK FOO (MY-IF (> A 10) 'BIG 'SMALL))) T FOO