- pp_nonnull [] = empty
- pp_nonnull xs = vcat (map ppr xs)
-
-hsModule (HsModule mod _ _ _ _ _ _) = mod
-hsImports (HsModule mod vers exports imports decls deprec src_loc) = imports
-\end{code}
-
-
-%************************************************************************
-%* *
-\subsection{Collecting binders from @HsBinds@}
-%* *
-%************************************************************************
-
-Get all the binders in some @MonoBinds@, IN THE ORDER OF APPEARANCE.
-
-These functions are here, rather than in HsBinds, to avoid a loop between HsPat and HsBinds.
-
-\begin{verbatim}
-...
-where
- (x, y) = ...
- f i j = ...
- [a, b] = ...
-\end{verbatim}
-it should return @[x, y, f, a, b]@ (remember, order important).
-
-\begin{code}
-collectLocatedHsBinders :: HsBinds name -> [(name,SrcLoc)]
--- Used at top level only; so no need for an IPBinds case
-collectLocatedHsBinders EmptyBinds = []
-collectLocatedHsBinders (MonoBind b _ _)
- = collectLocatedMonoBinders b
-collectLocatedHsBinders (ThenBinds b1 b2)
- = collectLocatedHsBinders b1 ++ collectLocatedHsBinders b2
-
-collectHsBinders :: HsBinds name -> [name]
-collectHsBinders EmptyBinds = []
-collectHsBinders (IPBinds _ _) = [] -- Implicit parameters don't create
- -- ordinary bindings
-collectHsBinders (MonoBind b _ _) = collectMonoBinders b
-collectHsBinders (ThenBinds b1 b2) = collectHsBinders b1 ++ collectHsBinders b2
-
-collectLocatedMonoBinders :: MonoBinds name -> [(name,SrcLoc)]
-collectLocatedMonoBinders binds
- = go binds []
- where
- go EmptyMonoBinds acc = acc
- go (PatMonoBind pat _ loc) acc = map (\v->(v,loc)) (collectPatBinders pat) ++ acc
- go (FunMonoBind f _ _ loc) acc = (f,loc) : acc
- go (AndMonoBinds bs1 bs2) acc = go bs1 (go bs2 acc)
-
-collectMonoBinders :: MonoBinds name -> [name]
-collectMonoBinders binds
- = go binds []
- where
- go EmptyMonoBinds acc = acc
- go (PatMonoBind pat _ loc) acc = collectPatBinders pat ++ acc
- go (FunMonoBind f _ _ loc) acc = f : acc
- go (AndMonoBinds bs1 bs2) acc = go bs1 (go bs2 acc)