From 03d38eb3190eb5e51fb18847fe0792013285bde5 Mon Sep 17 00:00:00 2001 From: Jed Barber Date: Tue, 8 Apr 2014 15:06:40 +1000 Subject: Reorganising source code --- src/ListThm.hs | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/ListThm.hs (limited to 'src/ListThm.hs') diff --git a/src/ListThm.hs b/src/ListThm.hs new file mode 100644 index 0000000..540486d --- /dev/null +++ b/src/ListThm.hs @@ -0,0 +1,43 @@ +import System.Environment( getArgs ) +import Text.Printf +import Library.Parse +import Library.ProofGraph +import Library.WriteProof +import Library.Semantic +import Library.Stack + +import Data.Maybe +import Data.Graph.Inductive.Graph( Node, LNode, Edge, LEdge ) +import qualified Data.Graph.Inductive.Graph as Graph + + + +fst4 :: (a,b,c,d) -> a +fst4 (a,_,_,_) = a + + + +toThms :: PGraph -> [Node] -> [String] +toThms graph nodeList = + let hyp = (\g n -> let edge = filter (\x -> (fst . thd3 $ x) == 2) (Graph.out g n) + node = snd3 . head $ edge + in write g node) + + con = (\g n -> let edge = filter (\x -> (fst . thd3 $ x) == 1) (Graph.out g n) + node = snd3 . head $ edge + in write g node) + + f = (\x -> (show . fst $ x) ++ ". " ++ (show . fromJust $ ((fst4 . fromJust $ (eval (hyp graph (snd x)))) `at` 0)) ++ + " |- " ++ (show . fromJust $ ((fst4 . fromJust $ (eval (con graph (snd x)))) `at` 0))) + + in map f (zip [1..] nodeList) + + + +main = do + args <- getArgs + list <- getLines (head args) + let graph = doGraphGen (map (stripReturn) list) + initList = filter (\x -> Graph.indeg graph x == 0) (Graph.nodes graph) + theorems = toThms graph initList + output theorems -- cgit