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\documentclass[12pt]{article}
\usepackage{tikz}
\usetikzlibrary{shapes,positioning,snakes,calc,chains,arrows}

\begin{document}


\begin{figure}[h!]
	\begin{tikzpicture}[
		state/.style={draw,circle,scale=1.5,fill=green!40},

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--2011-02-12 15:53:54--  http://www.lirmm.fr/~lafourcade/JDM-LEXICALNET-FR/?C=M;O=D
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requête HTTP transmise, en attente de la réponse...200 OK
Longueur: 6900 (6,7K) [text/html]
Sauvegarde en : «STDOUT»

100%[====================================================================================================================================================================================================================================>] 6.900       --.-K/s   ds 0,05s   

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   ((eq 'defmacro (car expr))
    `(:mcall set-defmacro (:const . ,(second expr))
             ,(lisp2li `(lambda ,(third expr) ,@(cdddr expr)) env)))

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> MEVAL MAKE-ENV
    [FAILURE] Test       : (MAKE-ENV 2 '(1 2) #())
              got        : #(NIL 1 2)
              expected   : #(NIL 1 2)
              comparison : #<SYSTEM-FUNCTION EQUAL>
    [FAILURE] Test       : (MAKE-ENV 2 '(7 8) #(#(NIL 7 8) 1 2))
              got        : #(#(NIL 7 8) 1 2)
              expected   : #(#(NIL 7 8) 1 2)
              comparison : #<SYSTEM-FUNCTION EQUAL>

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(defun map-meval (list env)
  (mapcar (lambda (x) (meval x env)) list))

(defun meval-progn (list env)
  (let ((res (map-meval list env)))
    (nth (- (list-length res) 1) res)))

(defun meval (expr &optional env)
  "Interprète le langage intermédiaire passé en paramètre."
  (cond 

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(defun make-stat-env-optional (params env position num-env)
  (cond ((endp params)
         env)
        ((consp (car params))
         (print  params)
         `((,(caar params) ,num-env ,position)
           (,(intern (format nil "~a-P" (caar params))) ,num-env ,(+ 1 position))
           . ,(make-stat-env-optional (cdr params) env (+ 2 position) num-env)))
        ((eq '&rest (car params))
         (make-stat-env (cdr params) env position num-env))

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(defun readfile (name)
  (let ((fd (open name)))
    (loop
     for line = (read fd nil 'eof)
     when (not (eq line 'eof))
     do (print line)
     else return (close fd)
     )))

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(defun readfile (name)
  (let ((fd (open name)))
    (loop
     with line (read fd nil 'eof)
     while (not (eq line 'eof))
     do line)))

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(defun make-stat-env (params &optional env)
   (append
    (loop
    for var in params
    for j = 1 then (+ j 1)
    for num-env = (if (or (eq (first env) '&optional)
                          (eq (first env) '&rest)) nil (+ (or (second (first env)) -1) 1))
    collect (list var num-env j)
    )
    env))