5.5.7. Interfacing Compiled Code to the Evaluator
Exercise 5.48

Compile-and-run primitive

The compile-and-go interface implemented in this section is awkward, since the compiler can be called only once (when the evaluator machine is started). Augment the compiler-interpreter interface by providing a compile-and-run primitive that can be called from within the explicit-control evaluator as follows:

;;; EC-Eval input:
  '(define (factorial n)
    (if (= n 1)
        (* (factorial (- n 1)) n))))

;;; EC-Eval value:

;;; EC-Eval input:
(factorial 5)

;;; EC-Eval value:

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