diff options
Diffstat (limited to 'src/Grasp')
| -rw-r--r-- | src/Grasp/Interpreter.hs | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/Grasp/Interpreter.hs b/src/Grasp/Interpreter.hs index a8ce18a..0594c95 100644 --- a/src/Grasp/Interpreter.hs +++ b/src/Grasp/Interpreter.hs @@ -11,6 +11,8 @@ import System.IO.Error import Text.Read( readMaybe ) import Data.Graph.Inductive.Graph( Node, LNode, LEdge, (&) ) import qualified Data.Graph.Inductive.Graph as Graph +import Data.Map( (!) ) +import qualified Data.Map as Map import Data.List import Data.Maybe import Data.Char @@ -335,7 +337,39 @@ doPickI g stackN depth outN emptyL = callI :: GraspProgram -> IP -> IO (GraspProgram, IP) -callI g ip = return (g,ip) +callI g ip = + let node = fst . head $ ip + edges = Graph.out g node + + funcL = targetLabels g (getByLabel "func" edges) + arguments = filter (\(x,y,z) -> z /= "func" && z /= "name" && z /= "cond" && z /= "next") edges + + possibleFuncs = concatMap (nodesWithName g) funcL + + in if (possibleFuncs == []) then error ("Call from " ++ (show node) ++ " has no candidates") + else do + r <- getStdRandom (randomR (0,length possibleFuncs - 1)) + + let oldNodes = reachable g [[possibleFuncs !! r]] + oldEdges = filter (\(x,y,z) -> x `elem` oldNodes && y `elem` oldNodes) (Graph.labEdges g) + + nodeMap = Map.fromList (zip oldNodes (Graph.newNodes (length oldNodes) g)) + + labels = map (fromJust . (Graph.lab g)) oldNodes + newNodes = map (nodeMap !) oldNodes + + newLNodes = zip newNodes labels + newEdges = map (\(x,y,z) -> (nodeMap ! x, nodeMap ! y, z)) oldEdges + + mainNode = (\(x,y) -> (nodeMap ! x, y)) (possibleFuncs !! r) + argEdges = map (\(x,y,z) -> (nodeMap ! (fst (possibleFuncs !! r)), y, z)) arguments + + g' = (Graph.insEdges (newEdges ++ argEdges)) . (Graph.insNodes newLNodes) $ g + ip' = mainNode : ip + + return (g', ip') + + retI :: GraspProgram -> IP -> IO (GraspProgram, IP) retI g ip = return (g,ip) |