X-Git-Url: https://git.rmz.io/my-scheme.git/blobdiff_plain/5bd76ea90313c3b469e1b7fce192f3cd54c57a33..b388d53e751db6d925a39c06dc871c125799b8e5:/app/Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index cdd564b..c64fd18 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,7 +1,26 @@
 module Main where
+import Text.ParserCombinators.Parsec hiding (spaces)
 import System.Environment
 
+data LispVal = Atom String
+             | List [LispVal]
+             | DottedList [LispVal] LispVal
+             | Number Integer
+             | String String
+             | Bool Bool
+
+symbol :: Parser Char
+symbol = oneOf "!#$%&|*+-/:<=>?@^_~"
+
+spaces :: Parser ()
+spaces = skipMany space
+
+readExpr :: String -> String
+readExpr input = case parse (spaces >> symbol) "lisp" input of
+    Left err -> "No match: " ++ show err
+    Right val -> "Found value"
+
 main :: IO ()
 main = do
-    args <- getArgs
-    putStrLn (args !! 0 ++ args !! 1)
+    args <- getLine
+    putStrLn (readExpr args)