`(eval-when-compile
(%compile-defmacro ',name (lambda ,args ,@body))))))
+(defmacro defvar (name value)
+ `(progn
+ (eval-when-compile
+ (%compile-defvar ',name))
+ (setq ,name ,value)))
+
+(defvar t 't)
+(defvar nil 'nil)
+
(defmacro defun (name args &rest body)
`(progn
(eval-when-compile
(%compile-defun ',name))
(fsetq ,name (lambda ,args ,@body))))
+(defun = (x y) (= x y))
+(defun + (x y) (+ x y))
+(defun - (x y) (- x y))
+(defun * (x y) (* x y))
+(defun / (x y) (/ x y))
(defun 1+ (x) (+ x 1))
(defun 1- (x) (- x 1))
+(defun zerop (x) (= x 0))
+(defun not (x) (if x nil t))
+
+(defun truncate (x y) (floor (/ x y)))
+
+(defun cons (x y ) (cons x y))
+(defun car (x) (car x))
+(defun caar (x) (car (car x)))
+(defun cadr (x) (car (cdr x)))
+(defun cdr (x) (cdr x))
+(defun cdar (x) (cdr (car x)))
+(defun cddr (x) (cdr (cdr x)))
(defun append (list1 list2)
(if (null list1)
(cons (funcall func (car list))
(mapcar func (cdr list)))))
-;;; Tests
-
-(lambda (x y) x)
-
-(debug "hola")
-(debug '(1 2 3 4))
-(debug (if 2 (+ 2 1) 0))
-(debug (= (+ 2 1) (- 4 1)))
-
-;;; Variables
-(debug "---VARIABLES---")
-(eval-when-compile
- (%compile-defvar 'name))
-(setq name 10)
-(debug name)
-
-;;; Functions
-(debug "---FUNCTIONS---")
-(eval-when-compile
- (%compile-defun 'f))
-(fsetq f (lambda (x) (+ x 10)))
-(debug (f 20))
-
-(debug ((lambda (x) x) 9999))
+(defmacro push (x place)
+ `(setq ,place (cons ,x ,place)))
-(debug #'f)
+(defvar *package* (new))
-;;; Macros
-(debug "---MACROS---")
+(defun intern (name)
+ (let ((s (get *package* name)))
+ (if s
+ s
+ (set *package* name (make-symbol name)))))
+(defun find-symbol (name)
+ (get *package* name))
-(defmacro incf (x)
- (list 'setq x (list '+ 1 x)))
+(defmacro cond (&rest clausules)
+ (if (null clausules)
+ nil
+ (if (eq (caar clausules) t)
+ `(progn ,@(cdar clausules))
+ `(if ,(caar clausules)
+ (progn ,@(cdar clausules))
+ (cond ,@(cdr clausules))))))
-(eval-when-compile
- (%compile-defvar 'x))
-
-(setq x 10)
-(incf x)
-(debug x)
-
-;;; Conses
-(debug (cons 1 2))
-(debug (car (cons 1 2)))
-(debug (cdr (cons 1 2)))
-
-(setq x '(1 . 2))
-(debug x)
-(debug (eq x x))
-(debug (eq '(1 . 2) '(1 . 2)))
-
-;;; Symbols
-(debug (symbol-name 'foo))
-(debug (symbol-name 'foo-bar))
-
-(debug (progn 1 2 3 123))
-
-(debug (let ((x 99999))
- (incf x)))
-
-;;; &rest lambda-list
-
-(debug (lambda (&rest x) x))
-(debug (lambda (x y &rest z) z))
-(debug (lambda (x y &rest z) x))
-
-
-;; (eval-when-compile
-;; (%compile-defmacro 'defun
-;; (lambda (name args &rest body)
-;; (list 'eval-when-compile
-;; (list 'compile-defun)
-;; (list 'fsetq (list 'lambda args (list 'progn body)))))))
+(defun !reduce (func list initial)
+ (if (null list)
+ initial
+ (!reduce func
+ (cdr list)
+ (funcall func initial (car list)))))
+
+
+(defun code-char (x) x)
+(defun char-code (x) x)
+(defvar *newline* (string (code-char 10)))
+
+(defun concat (&rest strs)
+ (!reduce (lambda (s1 s2) (concat-two s1 s2))
+ strs
+ ""))
+
+;;; Concatenate a list of strings, with a separator
+(defun join (list separator)
+ (cond
+ ((null list)
+ "")
+ ((null (cdr list))
+ (car list))
+ (t
+ (concat (car list)
+ separator
+ (join (cdr list) separator)))))
+
+(defun join-trailing (list separator)
+ (if (null list)
+ ""
+ (concat (car list) separator (join-trailing (cdr list) separator))))
+
+(defun integer-to-string (x)
+ (if (zerop x)
+ "0"
+ (let ((digits nil))
+ (while (not (zerop x 0))
+ (push (mod x 10) digits)
+ (setq x (truncate x 10)))
+ (join (mapcar (lambda (d) (string (char "0123456789" d)))
+ digits)
+ ""))))
projects / jscl.git / blobdiff