X-Git-Url: https://git.rmz.io/my-scheme.git/blobdiff_plain/dbed09e123cb19f347a74e8c6fb6edf7e4931b5c..d06e8ae01efc00ea0eb6f0bed346032b004aca57:/app/Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index de1c1ab..7c987ce 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,6 +1,39 @@
 module Main where
+import Text.ParserCombinators.Parsec hiding (spaces)
+import System.Environment
 
-import Lib
+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
+
+parseString :: Parser LispVal
+parseString = do
+    char '"'
+    x <- many (noneOf "\"")
+    char '"'
+    return $ String x
+
+parseAtom :: Parser LispVal
+parseAtom = do
+    a <- letter <|> symbol
+    b <- many (letter <|> digit <|> symbol)
+    return $ Atom (a:b)
+
+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 = someFunc
+main = do
+    args <- getLine
+    putStrLn (readExpr args)