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Added a function for joining two functions for checkPar together, and fixed the comment on checkPar

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Neil Brown 2008-01-28 12:53:46 +00:00
parent efc69a97cf
commit 168e5b5cc1
1 changed files with 8 additions and 3 deletions
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11
checks/UsageCheck.hs
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@ -16,7 +16,7 @@ You should have received a copy of the GNU General Public License along
with this program. If not, see <http://www.gnu.org/licenses/>.
-}
module UsageCheck (checkPar, customVarCompare, Decl(..), emptyVars, getVarProc, labelFunctions, ParItems(..), transformParItems, Var(..), Vars(..), vars) where
module UsageCheck (checkPar, customVarCompare, Decl(..), emptyVars, getVarProc, joinCheckParFunctions, labelFunctions, ParItems(..), transformParItems, Var(..), Vars(..), vars) where
import Data.Generics hiding (GT)
import Data.Graph.Inductive
@ -29,6 +29,7 @@ import Errors
import FlowGraph
import Metadata
import ShowCode
import Utils
newtype Var = Var A.Variable deriving (Show)
@ -97,8 +98,12 @@ foldUnionVars = foldl unionVars emptyVars
mapUnionVars :: (a -> Vars) -> [a] -> Vars
mapUnionVars f = foldUnionVars . (map f)
-- | Given a function to check a list of graph labels, a flow graph
-- and a starting node, returns a list of monadic actions (slightly
joinCheckParFunctions :: Monad m => ((Meta, ParItems a) -> m b) -> ((Meta, ParItems a) -> m c) -> ((Meta, ParItems a) -> m (b,c))
joinCheckParFunctions f g x = seqPair (f x, g x)
-- | Given a function to check a list of graph labels and a flow graph,
-- returns a list of monadic actions (slightly
-- more flexible than a monadic action giving a list) that will check
-- all PAR items in the flow graph
checkPar :: forall m a b. Monad m => ((Meta, ParItems a) -> m b) -> FlowGraph m a -> [m b]