From 380837ac2abe494fc88647e71d4ae969ef5ad1e6 Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Fri, 4 Jun 2021 16:12:30 -0700
Subject: more convenient 'def'

---
 shell/data.limg | 62 +++++++++++++++++++++++++++++----------------------------
 1 file changed, 32 insertions(+), 30 deletions(-)

diff --git a/shell/data.limg b/shell/data.limg
index f78db0d4..e9df2901 100644
--- a/shell/data.limg
+++ b/shell/data.limg
@@ -2,24 +2,26 @@
   (globals . (
     (mac . [(define mac (litmac litfn () (name params . body)
   `(define ,name (litmac litfn () ,params ,@body))))])
+    (mac . [(define def (litmac litfn () ((name . params) . body)
+  `(define ,name (fn ,params ,@body))))])
     (do . [(mac do body `((fn () ,@body)))])
     (let . [(mac let (var val . body)
   `((fn (,var) ,@body) ,val))])
     (when . [(mac when (cond . body)
   `(if ,cond (do ,@body) ()))])
-    (hline1 . [(define hline1 (fn (screen y x xmax color)
+    (hline1 . [(def (hline1 screen y x xmax color)
   (while (< x xmax)
     (pixel screen x y color)
-    (set x (+ x 1)))))])
-    (vline1 . [(define vline1 (fn (screen x y ymax color)
+    (set x (+ x 1))))])
+    (vline1 . [(def (vline1 screen x y ymax color)
   (while (< y ymax)
     (pixel screen x y color)
-    (set y (+ y 1)))))])
-    (hline . [(define hline (fn (screen y color)
-  (hline1 screen y 0 (width screen) color)))])
-    (vline . [(define vline (fn (screen x color)
-  (vline1 screen x 0 (height screen) color)))])
-    (line . [(define line (fn (screen x0 y0 x1 y1 color)
+    (set y (+ y 1))))])
+    (hline . [(def (hline screen y color)
+  (hline1 screen y 0 (width screen) color))])
+    (vline . [(def (vline screen x color)
+  (vline1 screen x 0 (height screen) color))])
+    (line . [(def (line screen x0 y0 x1 y1 color)
   (let (x y) `(,x0 ,y0)
   (let dx (abs (- x1 x0))
   (let dy (- 0 (abs (- y1 y0)))
@@ -41,25 +43,25 @@
               0)
             (if (<= e2 dx)
               dx
-              0))))))))))))))])
-    (read_line . [(define read_line (fn (keyboard)
+              0)))))))))))))])
+    (read_line . [(def (read_line keyboard)
   (let str (stream)
   (let c (key keyboard)
     (while (not (or (= c 0) (= c 10)))
       (write str c)
       (set c (key keyboard))))
-  str)))])
-    (fill_rect . [(define fill_rect (fn (screen x1 y1 x2 y2 color)
+  str))])
+    (fill_rect . [(def (fill_rect screen x1 y1 x2 y2 color)
   (while (< y1 y2)
     (hline1 screen y1 x1 x2 color)
-    (set y1 (+ y1 1)))))])
-    (chessboard_row . [(define chessboard_row (fn (screen px y x xmax)
+    (set y1 (+ y1 1))))])
+    (chessboard_row . [(def (chessboard_row screen px y x xmax)
   (while (< x xmax)
     (fill_rect screen
                x        y
                (+ x px) (+ y px) 15)
-    (set x (+ x (* px 2))))))])
-    (chessboard . [(define chessboard (fn (screen px)
+    (set x (+ x (* px 2)))))])
+    (chessboard . [(def (chessboard screen px)
   (clear screen)
   (let xmax (width screen)
   (let ymax (height screen)
@@ -68,8 +70,8 @@
     (chessboard_row screen px y 0 xmax)
     (set y (+ y px))
     (chessboard_row screen px y px xmax)
-    (set y (+ y px))))))))])
-    (circle . [(define circle (fn (screen cx cy r clr)
+    (set y (+ y px)))))))])
+    (circle . [(def (circle screen cx cy r clr)
   (let x (- 0 r)
   (let y 0
   (let err (- 2 (* 2 r))
@@ -90,13 +92,13 @@
       (set err
         (+ err
            (+ 1 (* 2 x)))))
-    (set continue (< x 0)))))))))])
-    (ring . [(define ring (fn(screen cx cy r w clr)
+    (set continue (< x 0))))))))])
+    (ring . [(def (ring screen cx cy r w clr)
     (let rmax (+ r w)
     (while (< r rmax)
       (circle screen cx cy r clr)
-      (set r (+ r 1))))))])
-    (circle_rainbow . [(define circle_rainbow (fn(scr cx cy r w)
+      (set r (+ r 1)))))])
+    (circle_rainbow . [(def (circle_rainbow scr cx cy r w)
   (ring scr cx cy r w 37)
   (set r (+ r w))
   (ring scr cx cy r w 33)
@@ -115,8 +117,8 @@
   (set r (+ r w))
   (ring scr cx cy r w 41)
   (set r (+ r w))
-  (ring scr cx cy r w 40)))])
-    (bowboard . [(define bowboard (fn (screen side)
+  (ring scr cx cy r w 40))])
+    (bowboard . [(def (bowboard screen side)
   (let xmax (width screen)
   (let ymax (height screen)
   (let y side
@@ -125,11 +127,11 @@
         (while (< x xmax)
           (circle_rainbow screen x y (- side 100) 10)
           (set x (+ x (* 2 side)))))
-      (set y (+ y (* 2 side)))))))))])
-    (main . [(define main (fn (screen keyboard)
-  (circle_rainbow screen 90 90 8 1)))])
-    (task . [(define task (fn (screen)
-  (circle_rainbow screen 32 24 8 1)))])
+      (set y (+ y (* 2 side))))))))])
+    (main . [(def (main screen keyboard)
+  (circle_rainbow screen 90 90 8 1))])
+    (task . [(def (task screen)
+  (circle_rainbow screen 32 24 8 1))])
   ))
   (sandbox . (+ 3 4))
 )
-- 
cgit 1.4.1-2-gfad0