module HsDecls,
module HsExpr,
module HsImpExp,
- module HsBasic,
+ module HsLit,
module HsMatches,
module HsPat,
module HsTypes,
Fixity, NewOrData,
- collectTopBinders, collectMonoBinders
+ collectTopBinders, collectMonoBinders, collectLocatedMonoBinders
) where
#include "HsVersions.h"
import HsBinds
import HsExpr
import HsImpExp
-import HsBasic
+import HsLit
import HsMatches
import HsPat
import HsTypes
import Outputable
import SrcLoc ( SrcLoc )
import Bag
-import OccName ( Module, pprModule )
+import Module ( ModuleName )
\end{code}
All we actually declare here is the top-level structure for a module.
\begin{code}
data HsModule name pat
= HsModule
- Module -- module name
+ ModuleName -- module name
(Maybe Version) -- source interface version number
(Maybe [IE name]) -- export list; Nothing => export everything
-- Just [] => export *nothing* (???)
-- info to TyDecls/etc; so this list is
-- often empty, downstream.
[HsDecl name pat] -- Type, class, value, and interface signature decls
+ (Maybe DeprecTxt) -- reason/explanation for deprecation of this module
SrcLoc
\end{code}
=> Outputable (HsModule name pat) where
ppr (HsModule name iface_version exports imports
- decls src_loc)
+ decls deprec src_loc)
= vcat [
case exports of
- Nothing -> hsep [ptext SLIT("module"), pprModule name, ptext SLIT("where")]
+ Nothing -> pp_header (ptext SLIT("where"))
Just es -> vcat [
- hsep [ptext SLIT("module"), pprModule name, lparen],
- nest 8 (interpp'SP es),
+ pp_header lparen,
+ nest 8 (fsep (punctuate comma (map ppr es))),
nest 4 (ptext SLIT(") where"))
],
pp_nonnull imports,
pp_nonnull decls
]
where
+ pp_header rest = case deprec of
+ Nothing -> pp_modname <+> rest
+ Just d -> vcat [ pp_modname, ppr d, rest ]
+
+ pp_modname = ptext SLIT("module") <+> ppr name
+
pp_nonnull [] = empty
pp_nonnull xs = vcat (map ppr xs)
-
- pp_iface_version Nothing = empty
- pp_iface_version (Just n) = hsep [text "{-# INTERFACE", int n, text "#-}"]
\end{code}
\begin{code}
collectTopBinders :: HsBinds name (InPat name) -> Bag (name,SrcLoc)
-collectTopBinders EmptyBinds = emptyBag
-collectTopBinders (MonoBind b _ _) = collectMonoBinders b
-collectTopBinders (ThenBinds b1 b2)
- = collectTopBinders b1 `unionBags` collectTopBinders b2
-
-collectMonoBinders :: MonoBinds name (InPat name) -> Bag (name,SrcLoc)
-collectMonoBinders EmptyMonoBinds = emptyBag
-collectMonoBinders (PatMonoBind pat _ loc) = listToBag (map (\v->(v,loc)) (collectPatBinders pat))
-collectMonoBinders (FunMonoBind f _ matches loc) = unitBag (f,loc)
-collectMonoBinders (VarMonoBind v expr) = error "collectMonoBinders"
-collectMonoBinders (CoreMonoBind v expr) = error "collectMonoBinders"
-collectMonoBinders (AndMonoBinds bs1 bs2) = collectMonoBinders bs1 `unionBags`
- collectMonoBinders bs2
+collectTopBinders EmptyBinds = emptyBag
+collectTopBinders (MonoBind b _ _) = listToBag (collectLocatedMonoBinders b)
+collectTopBinders (ThenBinds b1 b2) = collectTopBinders b1 `unionBags` collectTopBinders b2
+
+collectLocatedMonoBinders :: MonoBinds name (InPat 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 (InPat 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)
\end{code}
-