From: Luke Lau <luke_lau@icloud.com>
Date: Tue, 13 Aug 2019 13:03:53 +0000 (+0100)
Subject: Update main.scm to properly read in multi-expression programs
X-Git-Url: http://git.lukelau.me/?p=scheme.git;a=commitdiff_plain;h=9fd836fa6cbc686d277684101319f835d55fc5b3

Update main.scm to properly read in multi-expression programs
---

diff --git a/main.scm b/main.scm
old mode 100644
new mode 100755
index df8e656..e6ac821
--- a/main.scm
+++ b/main.scm
@@ -1,3 +1,5 @@
+#!/usr/bin/scheme --script
+
 (load "codegen.scm")
 (load "platform.scm")
 
@@ -10,8 +12,8 @@
 	 (or (equal? (car x) "-t")
 	     (equal? (car x) "--target"))
 	 (case (cadr x)
-	   ("darwin" 'darwin)
-	   ("linux"  'linux)
+	   (("darwin") 'darwin)
+	   (("linux")  'linux)
 	   (else (error #f "unknown os")))	   
 	 (parse-os (cdr x)))))
   (define (parse-file x)
@@ -28,10 +30,12 @@
 (define target (car (parse-args)))
 (define file (cadr (parse-args)))
 
+					; reads in all datums until eof
 (define (read-prog port)
-  (if (port-input-empty? port)
+  (let ([x (read port)])
+    (if (eof-object? x)
 	'()
-      (cons (read) (read-prog port))))
+	(cons x (read-prog port)))))
 
 (compile-to-binary
  (if (eqv? file 'stdin)