<< Previous exercise (5.22) | Index | Next exercise (5.24) >>

meteorgan

;; add those following ev-dispatch (test (op cond?) (reg expr)) (branch (label ev-cond)) ev-cond (assign expr (op cond->if) (reg expr)) (goto (label ev-if)) ;; add those to eval-operations (list 'cond? cond?) (list 'cond->if cond->if)

aos

And for let, we can do something similar:

;; Add to eval-dispatch (test (op let?) (reg exp)) (branch (label ev-let)) ;; add this to eval operations ev-let (assign exp (op let->combination) (reg exp)) (goto (label ev-lambda))

let->combination was exercise 4.6

aos

And for

let, we can do something similar:let->combinationwas exercise 4.6