281 lines
8.9 KiB
Common Lisp
281 lines
8.9 KiB
Common Lisp
(load "environnement")
|
||
(erase-tests lisp2li)
|
||
|
||
;; `
|
||
(defvar my-quasiquote (car '`(,foo)))
|
||
|
||
;; ,
|
||
(defvar my-unquote (caaadr '`(,foo)))
|
||
|
||
;; ,@
|
||
(defvar my-unquote-unsplice (caaadr '`(,@foo)))
|
||
|
||
(defun map-lisp2li (expr env-var env-fun)
|
||
(mapcar (lambda (x) (lisp2li x env-var env-fun)) expr))
|
||
|
||
(defun map-lisp2li-let (expr env)
|
||
(mapcar (lambda (x) (add-binding env (car x) (lisp2li (cadr x) env))) (cadr expr)))
|
||
|
||
(defun make-stat-env (env params)
|
||
(mapcar (lambda (x) (add-binding env x nil)) params)
|
||
env)
|
||
|
||
(defun transform-quasiquote (expr)
|
||
(cond
|
||
;; a
|
||
((atom expr)
|
||
`',expr)
|
||
;; (a)
|
||
((atom (car expr))
|
||
`(cons ',(car expr)
|
||
,(transform-quasiquote (cdr expr))))
|
||
;; (,a)
|
||
((eq my-unquote (caar expr))
|
||
`(cons ,(cadar expr)
|
||
,(transform-quasiquote (cdr expr))))
|
||
;; (,@a)
|
||
((eq my-unquote-unsplice (caar expr))
|
||
(if (endp (cdr expr))
|
||
(cadar expr)
|
||
`(append ,(cadar expr)
|
||
,(transform-quasiquote (cdr expr)))))
|
||
;; ((a ...) ...)
|
||
(T
|
||
`(cons ,(transform-quasiquote (car expr))
|
||
,(transform-quasiquote (cdr expr))))))
|
||
|
||
(defun lisp2li (expr env-var env-fun)
|
||
"Convertit le code LISP en un code intermédiaire reconnu
|
||
par le compilateur et par l’interpréteur"
|
||
(cond ((null env-var) (lisp2li expr (empty-env-stack) env-fun))
|
||
((null env-fun) (lisp2li expr env-var (empty-env-stack)))
|
||
;; literaux
|
||
((and (atom expr) (constantp expr))
|
||
(cons :lit expr))
|
||
;; symboles
|
||
((symbolp expr)
|
||
(let ((cell (get-binding env-var expr)))
|
||
(if cell
|
||
(cons :var (car cell))
|
||
(error "Variable ~S unknown" expr))))
|
||
;; lambda solitaire ex: (lambda (x) x)
|
||
((eq 'lambda (car expr))
|
||
(let ((env-bis (make-stat-env (push-new-env env-var "LAMBDA") (second expr))))
|
||
`(:lclosure (,env-bis . ,env-fun)
|
||
,(lisp2li (third expr)
|
||
env-bis env-fun))))
|
||
;; lambda ex: ((lambda (x) x) 1)
|
||
((and (consp (car expr))
|
||
(eq 'lambda (caar expr)))
|
||
`(:call ,(lisp2li (car expr) env-var env-fun)
|
||
,@(mapcar (lambda (param)
|
||
(lisp2li param env-var env-fun))
|
||
(cdr expr))))
|
||
;; (not-symbol ...)
|
||
((not (symbolp (car expr)))
|
||
(warn "~S isn't a symbol" (car expr)))
|
||
;; fonction inconnue
|
||
((and (not (fboundp (car expr))) (not (get-binding env-fun (car expr))))
|
||
`(:unknown ,expr (,env-var . ,env-fun)))
|
||
;; if
|
||
((eq 'if (car expr))
|
||
(list :if
|
||
(lisp2li (second expr) env-var env-fun)
|
||
(lisp2li (third expr) env-var env-fun)
|
||
(lisp2li (fourth expr) env-var env-fun)))
|
||
;; quote
|
||
((eq 'quote (car expr))
|
||
(cons :lit (second expr)))
|
||
;; quasiquote `
|
||
((eq my-quasiquote (car expr))
|
||
(lisp2li (transform-quasiquote (cadr expr)) env-var env-fun))
|
||
;; #'fn (FUNCTION fn)
|
||
((eq 'function (car expr))
|
||
(list :call 'function (car expr)))
|
||
;; defun
|
||
((eq 'defun (car expr))
|
||
(let ((env-bis (make-stat-env (push-new-env env-var "DEFUN") (third expr))))
|
||
(add-top-level-binding env-fun
|
||
(second expr)
|
||
(cons :lclosure (cons (cons env-bis env-fun)
|
||
(map-lisp2li (cdddr expr)
|
||
env-bis env-fun)))))
|
||
(cons :lit (second expr)))
|
||
;; defvar
|
||
((eq 'defvar (car expr))
|
||
(add-top-level-binding env-var
|
||
(second expr)
|
||
(lisp2li (third expr) env-var env-fun)))
|
||
;; setq/setf
|
||
((eq 'setq (car expr))
|
||
(cons :call (cons 'set-binding (list `(:lit . ,env-var)
|
||
(cons :lit (second expr))
|
||
(cons :lit (third expr))))))
|
||
;; let
|
||
((eq 'let (car expr))
|
||
(let ((bindings (cadr expr))
|
||
(body (cddr expr)))
|
||
(lisp2li `((lambda ,(mapcar #'car bindings)
|
||
,@body)
|
||
,@(mapcar #'cadr bindings)) env-var env-fun)))
|
||
;; let*
|
||
((eq 'let* (car expr))
|
||
(let ((bindings (cadr expr))
|
||
(body (caddr expr)))
|
||
(lisp2li (if (endp bindings)
|
||
body
|
||
`(let (,(car bindings))
|
||
(let* ,(cdr bindings)
|
||
,body))) env-var env-fun)))
|
||
;; progn
|
||
((eq 'progn (car expr))
|
||
(cons :progn (map-lisp2li (cdr expr) env-var env-fun)))
|
||
;; macros
|
||
((macro-function (car expr))
|
||
(lisp2li (macroexpand-1 expr) env-var env-fun))
|
||
;; fonctions normales
|
||
((not (special-operator-p (car expr)))
|
||
(cons :call (cons (first expr) (map-lisp2li (cdr expr) env-var env-fun))))
|
||
(T
|
||
(print expr)
|
||
(error "special form not yet implemented ~S" (car expr)))
|
||
))
|
||
|
||
;; Test unitaire
|
||
(load "test-unitaire")
|
||
(erase-tests lisp2li)
|
||
|
||
(deftest (lisp2li :lit)
|
||
(lisp2li '3 () ())
|
||
'(:lit . 3))
|
||
|
||
(deftest (lisp2li :lit)
|
||
(lisp2li ''x () ())
|
||
'(:lit . x))
|
||
|
||
(deftest (lisp2li :lit)
|
||
(lisp2li ''(1 2 3) () ())
|
||
'(:lit 1 2 3))
|
||
|
||
;; test des if
|
||
(deftest (lisp2li :if)
|
||
(lisp2li '(if T T nil) () ())
|
||
'(:if (:lit . T) (:lit . T) (:lit . nil)))
|
||
|
||
(deftest (lisp2li :if)
|
||
(lisp2li '(if T nil T) () ())
|
||
'(:if (:lit . T) (:lit . nil) (:lit . T)))
|
||
|
||
;; test des fonctions predefinies
|
||
(deftest (lisp2li :call)
|
||
(lisp2li '(eq 1 1) () ())
|
||
'(:call eq (:lit . 1) (:lit . 1)))
|
||
|
||
(deftest (lisp2li macros)
|
||
(lisp2li '(and 1 1) () ())
|
||
'(:lit . 1))
|
||
|
||
;; test des variables
|
||
(deftest (lisp2li :var)
|
||
(lisp2li 'x '(("TOP-LEVEL" (x . 1) (y . 2))) ())
|
||
'(:var . x))
|
||
|
||
(deftest (lisp2li :var)
|
||
(lisp2li '(if (eq x 3) (- x 3) (+ x 3)) '(("TOP-LEVEL" (x . 3))) ())
|
||
'(:if (:call eq (:var . x) (:lit . 3))
|
||
(:call - (:var . x) (:lit . 3))
|
||
(:call + (:var . x) (:lit . 3))))
|
||
|
||
(deftest (lisp2li :var)
|
||
(lisp2li '(if (eq x 3)
|
||
(- z 3)
|
||
(- x 5))
|
||
'(("TEST" (z . 5)) ("TOP-LEVEL" (x . 4))) ())
|
||
'(:IF (:CALL EQ (:VAR . X) (:LIT . 3)) (:CALL - (:VAR . Z) (:LIT . 3))
|
||
(:CALL - (:VAR . X) (:LIT . 5))))
|
||
|
||
;; Test avec des expression plus complexe
|
||
(deftest (lisp2li complexe)
|
||
(lisp2li '(if (eq 1 1) 2 2) () ())
|
||
'(:if (:call eq (:lit . 1) (:lit . 1)) (:lit . 2) (:lit . 2)))
|
||
|
||
(deftest (lisp2li complexe)
|
||
(lisp2li '(if (eq "abc" 1) "abc" 2) () ())
|
||
'(:IF (:CALL EQ (:LIT . "abc") (:LIT . 1)) (:LIT . "abc") (:LIT . 2)))
|
||
|
||
(deftest (lisp2li :unknown)
|
||
(lisp2li '(foo 1 1) () ())
|
||
'(:unknown (foo 1 1) ((("TOP-LEVEL")) ("TOP-LEVEL"))))
|
||
|
||
(deftest (lisp2li :unknown)
|
||
(lisp2li '(if (and (eq 1 1) (= 2 2)) (foo 1 2) (bar 3 4)) () ())
|
||
'(:IF (:CALL = (:LIT . 2)
|
||
(:LIT . 2))
|
||
(:UNKNOWN (FOO 1 2) ((("TOP-LEVEL")) ("TOP-LEVEL")))
|
||
(:UNKNOWN (BAR 3 4) ((("TOP-LEVEL")) ("TOP-LEVEL")))))
|
||
|
||
;; Test sur le setq
|
||
(deftestvar (lisp2li setq) env (add-binding (empty-env-stack) 'x 1))
|
||
(deftest (lisp2li setq)
|
||
(lisp2li '(setq x 2) env ())
|
||
'(:call set-binding (:lit . (("TOP-LEVEL" (x . 1)))) (:lit . x) (:lit . 2)))
|
||
|
||
;; Test sur le defun
|
||
(deftest (lisp2li defun valeur-de-retour)
|
||
(lisp2li '(defun fact (n r)
|
||
(if (= n 0)
|
||
r
|
||
(fact (- n 1) (* n r))))
|
||
() ())
|
||
'(:lit . fact))
|
||
|
||
(deftestvar (lisp2li defun environnement) env (empty-env-stack))
|
||
(deftest (lisp2li defun environnement)
|
||
(progn
|
||
(lisp2li '(defun fact (n r)
|
||
(if (= n 0)
|
||
r
|
||
(fact (- n 1) (* n r))))
|
||
() env)
|
||
env)
|
||
'#1=(("TOP-LEVEL"
|
||
(FACT :LCLOSURE (#2=(("DEFUN" (R) (N)) ("TOP-LEVEL")) . #1#)
|
||
(:IF (:CALL = (:VAR . N) (:LIT . 0)) (:VAR . R)
|
||
(:UNKNOWN (FACT (- N 1) (* N R)) (#2# . #1#)))))))
|
||
|
||
;; Test sur la lambda expression
|
||
(deftest lisp2li
|
||
(lisp2li '(mapcar (lambda (x) x) '(1 2 3))
|
||
() ())
|
||
'(:call mapcar (:lclosure ((("LAMBDA" (X)) ("TOP-LEVEL")) ("TOP-LEVEL"))
|
||
(:var . x)) (:lit 1 2 3)))
|
||
|
||
(deftest lisp2li
|
||
(lisp2li '((lambda (x y z) (list x y z)) 1 2 3) () ())
|
||
'(:call (:lclosure ((("LAMBDA" (Z) (Y) (X)) ("TOP-LEVEL")) ("TOP-LEVEL"))
|
||
(:call list (:var . x) (:var . y) (:var . z)))
|
||
(:lit . 1) (:lit . 2) (:lit . 3)))
|
||
|
||
;; Test sur le LET
|
||
(deftest lisp2li
|
||
(lisp2li '(let ((x 1) (y 2)) (list x y)) () ())
|
||
'(:call (:lclosure ((("LAMBDA" (Y) (X)) ("TOP-LEVEL")) ("TOP-LEVEL"))
|
||
(:call list (:var . x) (:var . y)))
|
||
(:lit . 1) (:lit . 2)))
|
||
|
||
(deftest lisp2li
|
||
(lisp2li '(let ((x 1) (y (+ x 2))) (list x y)) '(("TOP-LEVEL" (x . 1))) ())
|
||
'(:call (:lclosure ((("LAMBDA" (Y) (X)) ("TOP-LEVEL" (x . 1))) ("TOP-LEVEL"))
|
||
(:call list (:var . x) (:var . y)))
|
||
(:lit . 1) (:call + (:var . x) (:lit . 2))))
|
||
|
||
;; Test sur le LET*
|
||
(deftest lisp2li
|
||
(lisp2li '(let* ((x 1) (y (+ x 2))) (list x y)) () ())
|
||
'(:CALL (:LCLOSURE ((("LAMBDA" (X)) ("TOP-LEVEL")) ("TOP-LEVEL"))
|
||
(:CALL (:LCLOSURE ((("LAMBDA" (Y)) ("LAMBDA" (X)) ("TOP-LEVEL")) ("TOP-LEVEL"))
|
||
(:CALL LIST (:VAR . X) (:VAR . Y)))
|
||
(:CALL + (:VAR . X) (:LIT . 2))))
|
||
(:LIT . 1)))
|
||
|
||
;(run-tests t) |