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Implemented handling of replicated IFs in flow-graphs

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This commit is contained in:
Neil Brown 2008-02-10 15:16:46 +00:00
parent df8f9429e0
commit c4b7bd1745
1 changed files with 12 additions and 0 deletions
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12
common/FlowGraph.hs
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@ -362,6 +362,18 @@ buildStructured f outer (A.Rep m rep str) route
Right (s',e') -> do addEdge (EStartPar pId) s s'
addEdge (EEndPar pId) e' e
return $ Right (s,e)
OIf prev end ->
do repNode <- addNode' (findMeta rep) labelReplicator rep alter
addEdge ESeq prev repNode
nodes <- buildStructured f (OIf repNode end) str (route33 route A.Rep)
case nodes of
Left False -> return $ Right (repNode, repNode)
Left True -> return $ Right (repNode, repNode)
Right (p,e) -> do addEdge ESeq p repNode
return $ Right (repNode, repNode)
return $ Right (repNode, end)
_ -> throwError $ "Cannot have replicators inside context: " ++ show outer
buildStructured f outer (A.Only _ o) route = f outer (route22 route A.Only) o >>* Right