X-Git-Url: https://git.rmz.io/my-scheme.git/blobdiff_plain/0a6833657330f8514c235e672b1d4dc6e1ec7ad5..2cd941c44d3b067acab871474383057344afcf37:/app/Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index cea4c9b..533d260 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -22,7 +22,16 @@ parseString = do char '"'
                  x <- many innerChar
                  char '"'
                  return $ String x
-              where innerChar = noneOf "\""
+              where innerChar = noneOf ['\\', '\"'] <|> escapeChar
+                    escapeChar = do char '\\'
+                                    c <- oneOf ['\"', '\\', 'n', 'r', 't', 'f']
+                                    return $ case c of
+                                                '\"' -> '\"'
+                                                '\\' -> '\\'
+                                                'n'  -> '\n'
+                                                'r'  -> '\r'
+                                                't'  -> '\t'
+                                                'f'  -> '\f'
 
 parseAtom :: Parser LispVal
 parseAtom = do