1 files changed, 19 insertions, 12 deletions
diff --git a/lua/step9_try.lua b/lua/step9_try.lua
index f3d8cce..315d698 100755
--- a/lua/step9_try.lua
+++ b/lua/step9_try.lua
@@ -174,23 +174,30 @@ rep("(def! load-file (fn* (f) (eval (read-string (str \"(do \" (slurp f) \")\"))
 rep("(defmacro! cond (fn* (& xs) (if (> (count xs) 0) (list 'if (first xs) (if (> (count xs) 1) (nth xs 1) (throw \"odd number of forms to cond\")) (cons 'cond (rest (rest xs)))))))")
 rep("(defmacro! or (fn* (& xs) (if (empty? xs) nil (if (= 1 (count xs)) (first xs) `(let* (or_FIXME ~(first xs)) (if or_FIXME or_FIXME (or ~@(rest xs))))))))")
 
+function print_exception(exc)
+    if exc then
+        if types._malexception_Q(exc) then
+            exc = printer._pr_str(exc.val, true)
+        end
+        print("Error: " .. exc)
+        print(debug.traceback())
+    end
+end
+
+if #arg > 0 and arg[1] == "--raw" then
+    readline.raw = true
+    table.remove(arg,1)
+end
+
 if #arg > 0 then
-    rep("(load-file \""..arg[1].."\")")
+    xpcall(function() rep("(load-file \""..arg[1].."\")") end,
+           print_exception)
     os.exit(0)
 end
 
 while true do
     line = readline.readline("user> ")
     if not line then break end
-    xpcall(function()
-        print(rep(line))
-    end, function(exc)
-        if exc then
-            if types._malexception_Q(exc) then
-                exc = printer._pr_str(exc.val, true)
-            end
-            print("Error: " .. exc)
-            print(debug.traceback())
-        end
-    end)
+    xpcall(function() print(rep(line)) end,
+           print_exception)
 end