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-rw-r--r--haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs54
1 files changed, 37 insertions, 17 deletions
diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
index 56137f51..0ecf7109 100644
--- a/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
@@ -12,6 +12,7 @@ import qualified Haddock.Syb as Syb
import Haddock.Backends.Hyperlinker.Types
import qualified GHC
+import qualified SrcLoc
import qualified Outputable as GHC
import Control.Applicative
@@ -52,10 +53,10 @@ type DetailsMap = Map.Map Position (Span, TokenDetails)
mkDetailsMap :: [(GHC.SrcSpan, TokenDetails)] -> DetailsMap
mkDetailsMap xs =
- Map.fromListWith select_details [ (start, (token_span, token_details))
+ Map.fromListWith select_details [ (start, (span, token_details))
| (ghc_span, token_details) <- xs
- , Just !token_span <- [ghcSrcSpanToSpan ghc_span]
- , let start = spStart token_span
+ , GHC.RealSrcSpan span <- [ghc_span]
+ , let start = SrcLoc.realSrcSpanStart span
]
where
-- favour token details which appear earlier in the list
@@ -63,17 +64,11 @@ mkDetailsMap xs =
lookupBySpan :: Span -> DetailsMap -> Maybe TokenDetails
lookupBySpan span details = do
- (_, (tok_span, tok_details)) <- Map.lookupLE (spStart span) details
- guard (tok_span `containsSpan` span )
+ let pos = SrcLoc.realSrcSpanStart span
+ (_, (tok_span, tok_details)) <- Map.lookupLE pos details
+ guard (tok_span `SrcLoc.containsSpan` span)
return tok_details
-ghcSrcSpanToSpan :: GHC.SrcSpan -> Maybe Span
-ghcSrcSpanToSpan (GHC.RealSrcSpan span) =
- Just (Span { spStart = Position (GHC.srcSpanStartLine span) (GHC.srcSpanStartCol span)
- , spEnd = Position (GHC.srcSpanEndLine span) (GHC.srcSpanEndCol span)
- })
-ghcSrcSpanToSpan _ = Nothing
-
enrichToken :: Token -> DetailsMap -> Maybe TokenDetails
enrichToken (Token typ _ spn) dm
| typ `elem` [TkIdentifier, TkOperator] = lookupBySpan spn dm
@@ -99,9 +94,12 @@ variables =
types :: GHC.RenamedSource -> LTokenDetails
types = everythingInRenamedSource ty
where
+ ty :: forall a. Data a => a -> [(GHC.SrcSpan, TokenDetails)]
ty term = case cast term of
(Just ((GHC.L sspan (GHC.HsTyVar _ _ name)) :: GHC.LHsType GHC.GhcRn)) ->
pure (sspan, RtkType (GHC.unLoc name))
+ (Just ((GHC.L sspan (GHC.HsOpTy _ l name r)) :: GHC.LHsType GHC.GhcRn)) ->
+ (sspan, RtkType (GHC.unLoc name)):(ty l ++ ty r)
_ -> empty
-- | Obtain details map for identifier bindings.
@@ -117,6 +115,11 @@ binds = everythingInRenamedSource
fun term = case cast term of
(Just (GHC.FunBind _ (GHC.L sspan name) _ _ _ :: GHC.HsBind GHC.GhcRn)) ->
pure (sspan, RtkBind name)
+ (Just (GHC.PatSynBind _ (GHC.PSB _ (GHC.L sspan name) args _ _))) ->
+ pure (sspan, RtkBind name) ++ everythingInRenamedSource patsyn_binds args
+ _ -> empty
+ patsyn_binds term = case cast term of
+ (Just (GHC.L sspan (name :: GHC.Name))) -> pure (sspan, RtkVar name)
_ -> empty
pat term = case cast term of
(Just ((GHC.L sspan (GHC.VarPat _ name)) :: GHC.LPat GHC.GhcRn)) ->
@@ -142,6 +145,7 @@ decls :: GHC.RenamedSource -> LTokenDetails
decls (group, _, _, _) = concatMap ($ group)
[ concat . map typ . concat . map GHC.group_tyclds . GHC.hs_tyclds
, everythingInRenamedSource fun . GHC.hs_valds
+ , everythingInRenamedSource fix . GHC.hs_fixds
, everythingInRenamedSource (con `Syb.combine` ins)
]
where
@@ -149,11 +153,16 @@ decls (group, _, _, _) = concatMap ($ group)
GHC.DataDecl { tcdLName = name } -> pure . decl $ name
GHC.SynDecl _ name _ _ _ -> pure . decl $ name
GHC.FamDecl _ fam -> pure . decl $ GHC.fdLName fam
- GHC.ClassDecl{..} -> [decl tcdLName] ++ concatMap sig tcdSigs
+ GHC.ClassDecl{..} ->
+ [decl tcdLName]
+ ++ concatMap sig tcdSigs
+ ++ concatMap tyfam tcdATs
GHC.XTyClDecl {} -> GHC.panic "haddock:decls"
fun term = case cast term of
(Just (GHC.FunBind _ (GHC.L sspan name) _ _ _ :: GHC.HsBind GHC.GhcRn))
| GHC.isExternalName name -> pure (sspan, RtkDecl name)
+ (Just (GHC.PatSynBind _ (GHC.PSB _ (GHC.L sspan name) _ _ _)))
+ | GHC.isExternalName name -> pure (sspan, RtkDecl name)
_ -> empty
con term = case cast term of
(Just (cdcl :: GHC.ConDecl GHC.GhcRn)) ->
@@ -171,7 +180,17 @@ decls (group, _, _, _) = concatMap ($ group)
Just (field :: GHC.ConDeclField GHC.GhcRn)
-> map (decl . fmap GHC.extFieldOcc) $ GHC.cd_fld_names field
Nothing -> empty
+ fix term = case cast term of
+ Just ((GHC.FixitySig _ names _) :: GHC.FixitySig GHC.GhcRn)
+ -> map (\(GHC.L sspan x) -> (sspan, RtkVar x)) names
+ Just ((GHC.XFixitySig {}) :: GHC.FixitySig GHC.GhcRn)
+ -> GHC.panic "haddock:decls"
+ Nothing -> empty
+ tyfam (GHC.L _ (GHC.FamilyDecl{..})) = [decl fdLName]
+ tyfam (GHC.L _ (GHC.XFamilyDecl {})) = GHC.panic "haddock:dels"
sig (GHC.L _ (GHC.TypeSig _ names _)) = map decl names
+ sig (GHC.L _ (GHC.PatSynSig _ names _)) = map decl names
+ sig (GHC.L _ (GHC.ClassOpSig _ _ names _)) = map decl names
sig _ = []
decl (GHC.L sspan name) = (sspan, RtkDecl name)
tyref (GHC.L sspan name) = (sspan, RtkType name)
@@ -190,10 +209,11 @@ imports src@(_, imps, _, _) =
(Just (GHC.IEThingAll _ t)) -> pure $ typ $ GHC.ieLWrappedName t
(Just (GHC.IEThingWith _ t _ vs _fls)) ->
[typ $ GHC.ieLWrappedName t] ++ map (var . GHC.ieLWrappedName) vs
+ (Just (GHC.IEModuleContents _ m)) -> pure $ modu m
_ -> empty
typ (GHC.L sspan name) = (sspan, RtkType name)
var (GHC.L sspan name) = (sspan, RtkVar name)
- imp idecl | not . GHC.ideclImplicit $ idecl =
- let (GHC.L sspan name) = GHC.ideclName idecl
- in Just (sspan, RtkModule name)
- imp _ = Nothing
+ modu (GHC.L sspan name) = (sspan, RtkModule name)
+ imp idecl
+ | not . GHC.ideclImplicit $ idecl = Just (modu (GHC.ideclName idecl))
+ | otherwise = Nothing