moved modified Testsyntax to Typechecker to keep the original one

[proglang.git] / Typechecker.hs

diff --git a/Typechecker.hs b/Typechecker.hs
new file mode 100644 (file)
index 0000000..fb6986c
--- /dev/null
+++ b/Typechecker.hs
@@ -0,0 +1,64 @@
+-- automatically generated by BNF Converter
+module Main where
+
+
+import IO ( stdin, hGetContents )
+import System ( getArgs, getProgName )
+
+import Lexsyntax
+import Parsyntax
+import Skelsyntax
+import Printsyntax
+import Abssyntax
+
+import Typecheck
+import Control.Monad.State
+import Data.Map as Map hiding (showTree)
+
+
+
+
+import ErrM
+
+type ParseFun a = [Token] -> Err a
+
+myLLexer = myLexer
+
+type Verbosity = Int
+
+putStrV :: Verbosity -> String -> IO ()
+putStrV v s = if v > 1 then putStrLn s else return ()
+
+runFile :: Verbosity -> ParseFun Stms -> FilePath -> IO ()
+runFile v p f = putStrLn f >> readFile f >>= run v p
+
+run :: Verbosity -> ParseFun Stms -> String -> IO ()
+run v p s = let ts = myLLexer s in case p ts of
+       Bad s    -> do
+               putStrLn "\nParse              Failed...\n"
+               putStrV v "Tokens:"
+               putStrV v $ show ts
+               putStrLn s
+       Ok (Program s) -> do
+               putStrLn "\nParse Successful!"
+               showTree v (Program s)
+               runStateT (mapM typeCheckStm s) empty
+               return ()
+
+showTree :: (Show a, Print a) => Int -> a -> IO ()
+showTree v tree
+ = do
+      putStrV v $ "\n[Abstract Syntax]\n\n" ++ show tree
+      putStrV v $ "\n[Linearized tree]\n\n" ++ printTree tree
+
+main :: IO ()
+main = do args <- getArgs
+          case args of
+            [] -> hGetContents stdin >>= run 2 pStms
+            "-s":fs -> mapM_ (runFile 0 pStms) fs
+            fs -> mapM_ (runFile 2 pStms) fs
+
+
+
+
+