+expandBuildTupleExpr binds args = do
+ -- Split the tuple constructor arguments into types and actual values.
+ let (_, vals) = splitTupleConstructorArgs args
+ -- Expand each of the values in the tuple
+ (signals_declss, statementss, arg_signalss, res_signals) <-
+ (Monad.liftM List.unzip4) $ mapM (expandExpr binds) vals
+ if any (not . null) arg_signalss
+ then error "Putting high order functions in tuples not supported"
+ else
+ return (
+ concat signals_declss,
+ concat statementss,
+ [],
+ Tuple res_signals)