X-Git-Url: https://ruin.nu/git/?p=proglang.git;a=blobdiff_plain;f=Interpreter.hs;h=e41759db1c93d656391b6d0d53bf4c20193fb152;hp=6cfbbda91af2804ac58cd53a96a1447e4dd1cea0;hb=08d98a82fabc381a8b101387f39ae5752cfeb314;hpb=8fdc0177fdf518f63819e5b98dd0368fccca6175

diff --git a/Interpreter.hs b/Interpreter.hs
index 6cfbbda..e41759d 100644
--- a/Interpreter.hs
+++ b/Interpreter.hs
@@ -14,6 +14,7 @@ import Abssyntax
 import Typecheck
 import Interpret
 import Control.Monad.State hiding (State)
+import Control.Concurrent.MVar
 import Data.Map as Map hiding (showTree)
 
 import ErrM
@@ -48,7 +49,8 @@ run v p s = let ts = myLLexer s in case p ts of
 		runStateT (do mapM Typecheck.addFunction fun; mapM typeCheckFunction fun; mapM typeCheckStm st) Typecheck.emptyState
 		print "The program is type-correct!!"
 		print "Running program:"
-		runStateT (do mapM Interpret.addFunction fun; mapM execute st) Interpret.emptyState
+		mv <- newEmptyMVar
+		runStateT (do mapM Interpret.addFunction fun; mapM execute st) Interpret.emptyState{ret=mv}
 		print "Done running program!"
 		return ()