Minor refactoring, no functional changes

contact.scm

@@ -23,13 +23,13 @@
         (chicken process-context)
         (chicken string)
         (chicken time)
-        srfi-1
-        srfi-18
+        (srfi 1)
+        (srfi 18)
         (prefix getopt-long getopt:)
-        nrepl
-        qt-light
+        (prefix nrepl nrepl:)
         (prefix uri-common uri:)
-        (prefix vcarded vcard:))
+        (prefix vcarded vcard:)
+        qt-light)
 
 
 (define qt-app #f) ;; The <qt-application> object.
@@ -39,30 +39,39 @@
 ;; Start & run the application.
 (define (init)
   (let [(cli-args (parse-cli-args (command-line-arguments)))]
+    ;; If --help, then print a usage message and quit.
     (if (alist-ref 'help cli-args)
         (cli-usage))
-    ;; Set up some global state, prepare the QT app.
-    (set! qt-app (qt:init))
-    (set! qt-win (create-window))
-    (init-window qt-win)
-
-    (let ;; Start QT loop.
-         [(qt-thread (thread-start! qt-loop))
-          ;; Kick off the remote-REPL…
-          (nrepl-thread
-           (if (alist-ref 'repl cli-args)
-               (thread-start!
-                (lambda ()
-                  (nrepl (string->number (alist-ref 'repl cli-args)))))))]
-      ;; Open the free-argument file.
-      (if (condition-case (not (null? (last (car cli-args)))) (var () #f))
-          (open-vcard-file qt-win (last (car cli-args))))
-       ;; … and also provide a local REPL.
-      (repl)
+    ;; Otherwise, let’s get our threads started!
+    (let [(qt-thread (init-qt cli-args))
+          (nrepl-thread (init-nrepl cli-args))
+          (repl-thread (thread-start! repl))]
       ;; Wait for the QT program, even after stdin is closed off.
       (thread-join! qt-thread))))
 
 
+;; Set up some global variables (for easier live REPL use), prepare the QT app.
+(define (init-qt cli-args)
+  (set! qt-app (qt:init))
+  (set! qt-win (create-window))
+  (init-window qt-win)
+  ;; Kick off the QT thread, then open the cli free-arg vCard file, if provided.
+  ;; That is, like `$ contact freeArgFile.vcf`.
+  (let [(qt-thread (thread-start! qt-loop))
+        (last-free-arg (condition-case (last (car cli-args)) (var () #f)))]
+    (if last-free-arg
+       (open-vcard-file qt-win last-free-arg))
+    qt-thread))
+
+
+;; Kick off our remote TCP-accessible REPL, if the user enabled it at cli.
+(define (init-nrepl cli-args)
+  (if (alist-ref 'repl cli-args)
+      (thread-start!
+       (lambda ()
+         (nrepl:nrepl (string->number (alist-ref 'repl cli-args)))))))
+
+
 ;; Print a “usage” help message, telling the user how to run the program.
 (define (cli-usage)
   (print "usage: " (pathname-file (program-name)) " [-h] [--repl PORT] [VCF_FILE]")