From: Tim Vaughan <tgvaughan@gmail.com>
Date: Tue, 1 Nov 2016 08:44:18 +0000 (+1300)
Subject: Very basic macros working.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=commitdiff_plain;h=050cc9a7e651ba8eacb054283307f4d06141c302;p=scheme.forth.jl.git

Very basic macros working.
---

diff --git a/scheme-library.scm b/scheme-library.scm
index dc345cf..b92795d 100644
--- a/scheme-library.scm
+++ b/scheme-library.scm
@@ -28,11 +28,12 @@
     (append (reverse (cdr l)) (list (car l)))))
 
 ;; LIBRARY FORMS
-(define-macro (let value . body )
-              (list (list 'lambda (list (car value)) body)) (cdr value))
 
 ;; TESTING
 
+(define-macro (backwards . body)
+              (cons 'begin (reverse body)))
+
 ; Basic iterative summation.  Run this on large numbers to
 ; test garbage collection and tail-call optimization.
 (define (sum n)
diff --git a/scheme.4th b/scheme.4th
index 1d06ea6..24937a2 100644
--- a/scheme.4th
+++ b/scheme.4th
@@ -1361,9 +1361,7 @@ hide env
             ( env exp env opname mproc )
             2swap 2drop -2rot 2drop cdr ( env mproc body )
 
-            2dup print cr
             macro-expand
-            2dup print cr
 
             2swap
             ['] eval goto-deferred