X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fprint.lisp;h=48af786e0b52972902a752909d871e00c304a4ea;hb=bdf672312657b00576cdd26367c2b0ef2a340b27;hp=941b97c6a148ff52f733a7455c0df68726d87ce4;hpb=77ec86f4b46f8f39589c07ccd92c21a4c076cc4d;p=jscl.git

diff --git a/src/print.lisp b/src/print.lisp
index 941b97c..48af786 100644
--- a/src/print.lisp
+++ b/src/print.lisp
@@ -18,6 +18,21 @@
 
 ;;; Printer
 
+(defun lisp-escape-string (string)
+  (let ((output "")
+        (index 0)
+        (size (length string)))
+    (while (< index size)
+      (let ((ch (char string index)))
+        (when (or (char= ch #\") (char= ch #\\))
+          (setq output (concat output "\\")))
+        (when (or (char= ch #\newline))
+          (setq output (concat output "\\"))
+          (setq ch #\n))
+        (setq output (concat output (string ch))))
+      (incf index))
+    (concat "\"" output "\"")))
+
 ;;; Return T if the string S contains characters which need to be
 ;;; escaped to print the symbol name, NIL otherwise.
 (defun escape-symbol-name-p (s)