\begin{code}
module HsSyn (
-
-- NB: don't reexport HsCore
-- this module tells about "real Haskell"
- module HsSyn,
module HsBinds,
module HsDecls,
module HsExpr,
module HsTypes,
Fixity, NewOrData,
+ HsModule(..), hsModule, hsImports,
+ collectStmtsBinders,
collectHsBinders, collectLocatedHsBinders,
collectMonoBinders, collectLocatedMonoBinders,
- collectSigTysFromHsBinds, collectSigTysFromMonoBinds,
- hsModule, hsImports
+ collectSigTysFromHsBinds, collectSigTysFromMonoBinds
) where
#include "HsVersions.h"
\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 b1 ++ collectLocatedHsBinders b2
collectHsBinders :: HsBinds name -> [name]
-collectHsBinders EmptyBinds = []
-collectHsBinders (MonoBind b _ _)
- = collectMonoBinders b
-collectHsBinders (ThenBinds b1 b2)
- = collectHsBinders b1 ++ collectHsBinders b2
+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 (AndMonoBinds bs1 bs2) acc = go bs1 (go bs2 acc)
\end{code}
+
+%************************************************************************
+%* *
+\subsection{Getting patterns out of bindings}
+%* *
+%************************************************************************
+
Get all the pattern type signatures out of a bunch of bindings
\begin{code}
collectSigTysFromHsBinds :: HsBinds name -> [HsType name]
collectSigTysFromHsBinds EmptyBinds = []
+collectSigTysFromHsBinds (IPBinds _ _) = []
collectSigTysFromHsBinds (MonoBind b _ _) = collectSigTysFromMonoBinds b
collectSigTysFromHsBinds (ThenBinds b1 b2) = collectSigTysFromHsBinds b1 ++
collectSigTysFromHsBinds b2