Renamed transfer compiler and interpreter.

transfer/trci.hs

@@ -0,0 +1,37 @@
+import Transfer.InterpreterAPI
+import Transfer.Interpreter (prEnv)
+
+import Control.Monad (when)
+import Data.List (partition, isPrefixOf)
+import System.Environment (getArgs)
+import System.IO (isEOF)
+
+interpretLoop :: Env -> IO ()
+interpretLoop env = 
+    do
+    eof <- isEOF
+    if eof
+       then return ()
+       else do
+            line <- getLine
+            r <- evaluateString env line
+            putStrLn r
+            interpretLoop env
+
+runMain :: Env -> IO ()
+runMain env = do
+              r <- evaluateString env "main"
+              putStrLn r
+
+main :: IO ()
+main = do args <- getArgs
+          let (flags,files) = partition ("-" `isPrefixOf`) args
+          env <- case files of
+            [f] -> loadFile f
+            _   -> fail "Usage: trci [-i] <file>"
+          when ("-v" `elem` flags) $ do
+                                     putStrLn "Top-level environment:"
+                                     putStrLn (prEnv env)
+          if "-i" `elem` flags 
+            then interpretLoop env
+            else runMain env