altos/lisp: Rename progn to begin

[fw/altos] / src / lisp / ao_lisp_const.lisp

diff --git a/src/lisp/ao_lisp_const.lisp b/src/lisp/ao_lisp_const.lisp
index 861a4fc80eed91314a76453f63528fef4d21340e..f8a709799ff5b05b580246bc176910b4345545d2 100644 (file)
--- a/src/lisp/ao_lisp_const.lisp
+++ b/src/lisp/ao_lisp_const.lisp
@@ -25,7 +25,7 @@
 
 (set (quote define) (macro (name val rest)
                        (list
-                        'progn
+                        'begin
                         (list
                          'set
                          (list 'quote name)
@@ -159,9 +159,6 @@
 (odd? 3)
 (odd? -1)
 
-(define exact? number?)
-(defun inexact? (x) #f)
-
                                        ; (if <condition> <if-true>)
                                        ; (if <condition> <if-true> <if-false)
 
@@ -523,6 +520,26 @@
             '(54 0 37 -3 245 19))
    #t))
 
+(define repeat (macro (count rest)
+                       (list
+                        let
+                        (list
+                         (list '__count__ count))
+                        (append
+                         (list
+                          while
+                          (list
+                           <=
+                           0
+                           (list
+                            set!
+                            '__count__
+                            (list
+                             -
+                             '__count__
+                             1))))
+                         rest))))
+
 ;(define number->string (lexpr (arg opt)
 ;                            (let ((base (if (null? opt) 10 (car opt)))
                                        ;