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-rw-r--r--src/Haddock/Backends/LaTeX.hs84
1 files changed, 37 insertions, 47 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index ef72505c..68cf715a 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -24,7 +24,6 @@ import GHC
import OccName
import Name ( nameOccName )
import RdrName ( rdrNameOcc )
-import BasicTypes ( ipNameName )
import FastString ( unpackFS, unpackLitString )
import qualified Data.Map as Map
@@ -276,12 +275,13 @@ ppDecl :: LHsDecl DocName
ppDecl (L loc decl) (doc, fnArgsDoc) instances subdocs = case decl of
TyClD d@(TyFamily {}) -> ppTyFam False loc doc d unicode
- TyClD d@(TyData {})
- | Nothing <- tcdTyPats d -> ppDataDecl instances subdocs loc doc d unicode
- | Just _ <- tcdTyPats d -> ppDataInst loc doc d
- TyClD d@(TySynonym {})
- | Nothing <- tcdTyPats d -> ppTySyn loc (doc, fnArgsDoc) d unicode
- | Just _ <- tcdTyPats d -> ppTyInst False loc doc d unicode
+ TyClD d@(TyDecl{ tcdTyDefn = defn })
+ | isHsDataDefn defn -> ppDataDecl instances subdocs loc doc d unicode
+ | otherwise -> ppTySyn loc (doc, fnArgsDoc) d unicode
+-- Family instances happen via FamInst now
+-- TyClD d@(TySynonym {})
+-- | Just _ <- tcdTyPats d -> ppTyInst False loc doc d unicode
+-- Family instances happen via FamInst now
TyClD d@(ClassDecl {}) -> ppClassDecl instances loc doc subdocs d unicode
SigD (TypeSig lnames (L _ t)) -> ppFunSig loc (doc, fnArgsDoc) (map unLoc lnames) t unicode
ForD d -> ppFor loc (doc, fnArgsDoc) d unicode
@@ -297,17 +297,6 @@ ppTyFam _ _ _ _ _ =
error "type family declarations are currently not supported by --latex"
-ppDataInst :: a
-ppDataInst =
- error "data instance declarations are currently not supported by --latex"
-
-
-ppTyInst :: Bool -> SrcSpan -> Documentation DocName ->
- TyClDecl DocName -> Bool -> LaTeX
-ppTyInst _ _ _ _ _ =
- error "type instance declarations are currently not supported by --latex"
-
-
ppFor :: SrcSpan -> DocForDecl DocName -> ForeignDecl DocName -> Bool -> LaTeX
ppFor _ _ _ _ =
error "foreign declarations are currently not supported by --latex"
@@ -321,7 +310,8 @@ ppFor _ _ _ _ =
-- we skip type patterns for now
ppTySyn :: SrcSpan -> DocForDecl DocName -> TyClDecl DocName -> Bool -> LaTeX
-ppTySyn loc doc (TySynonym (L _ name) ltyvars _ ltype) unicode
+ppTySyn loc doc (TyDecl { tcdLName = L _ name, tcdTyVars = ltyvars
+ , tcdTyDefn = TySynonym { td_synRhs = ltype } }) unicode
= ppTypeOrFunSig loc [name] (unLoc ltype) doc (full, hdr, char '=') unicode
where
hdr = hsep (keyword "type" : ppDocBinder name : ppTyVars ltyvars)
@@ -394,12 +384,12 @@ ppTypeSig nms ty unicode =
<+> ppType unicode ty
-ppTyVars :: [LHsTyVarBndr DocName] -> [LaTeX]
+ppTyVars :: LHsTyVarBndrs DocName -> [LaTeX]
ppTyVars tvs = map ppSymName (tyvarNames tvs)
-tyvarNames :: [LHsTyVarBndr DocName] -> [Name]
-tyvarNames = map (getName . hsTyVarName . unLoc)
+tyvarNames :: LHsTyVarBndrs DocName -> [Name]
+tyvarNames = map getName . hsLTyVarNames
declWithDoc :: LaTeX -> Maybe LaTeX -> LaTeX
@@ -448,7 +438,7 @@ rDoc = maybeDoc . fmap latexStripTrailingWhitespace
ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName
- -> [Located (HsTyVarBndr DocName)] -> [Located ([DocName], [DocName])]
+ -> LHsTyVarBndrs DocName -> [Located ([DocName], [DocName])]
-> Bool -> LaTeX
ppClassHdr summ lctxt n tvs fds unicode =
keyword "class"
@@ -470,7 +460,8 @@ ppClassDecl :: [DocInstance DocName] -> SrcSpan
-> Documentation DocName -> [(DocName, DocForDecl DocName)]
-> TyClDecl DocName -> Bool -> LaTeX
ppClassDecl instances loc doc subdocs
- (ClassDecl lctxt lname ltyvars lfds lsigs _ ats at_defs _) unicode
+ (ClassDecl { tcdCtxt = lctxt, tcdLName = lname, tcdTyVars = ltyvars, tcdFDs = lfds
+ , tcdSigs = lsigs, tcdATs = ats, tcdATDefs = at_defs }) unicode
= declWithDoc classheader (if null body then Nothing else Just (vcat body)) $$
instancesBit
where
@@ -557,7 +548,7 @@ ppDataDecl instances subdocs _loc doc dataDecl unicode
$$ instancesBit
where
- cons = tcdCons dataDecl
+ cons = td_cons (tcdTyDefn dataDecl)
resTy = (con_res . unLoc . head) cons
body = catMaybes [constrBit, documentationToLaTeX doc]
@@ -702,27 +693,15 @@ ppSideBySideField subdocs unicode (ConDeclField (L _ name) ltype _) =
-- | Print the LHS of a data\/newtype declaration.
-- Currently doesn't handle 'data instance' decls or kind signatures
ppDataHeader :: TyClDecl DocName -> Bool -> LaTeX
-ppDataHeader decl unicode
- | not (isDataDecl decl) = error "ppDataHeader: illegal argument"
- | otherwise =
- -- newtype or data
- (if tcdND decl == NewType then keyword "newtype" else keyword "data") <+>
+ppDataHeader (TyDecl { tcdLName = L _ name, tcdTyVars = tyvars
+ , tcdTyDefn = TyData { td_ND = nd, td_ctxt = ctxt } }) unicode
+ = -- newtype or data
+ (case nd of { NewType -> keyword "newtype"; DataType -> keyword "data" }) <+>
-- context
- ppLContext (tcdCtxt decl) unicode <+>
+ ppLContext ctxt unicode <+>
-- T a b c ..., or a :+: b
- ppTyClBinderWithVars False decl
-
-
---------------------------------------------------------------------------------
--- * TyClDecl helpers
---------------------------------------------------------------------------------
-
-
--- | Print a type family / newtype / data / class binder and its variables
-ppTyClBinderWithVars :: Bool -> TyClDecl DocName -> LaTeX
-ppTyClBinderWithVars summ decl =
- ppAppDocNameNames summ (unLoc $ tcdLName decl) (tyvarNames $ tcdTyVars decl)
-
+ ppAppDocNameNames False name (tyvarNames tyvars)
+ppDataHeader _ _ = error "ppDataHeader: illegal argument"
--------------------------------------------------------------------------------
-- * Type applications
@@ -842,13 +821,13 @@ ppKind unicode ki = ppr_mono_ty pREC_TOP ki unicode
-- Drop top-level for-all type variables in user style
-- since they are implicit in Haskell
-ppForAll :: HsExplicitFlag -> [Located (HsTyVarBndr DocName)]
+ppForAll :: HsExplicitFlag -> LHsTyVarBndrs DocName
-> Located (HsContext DocName) -> Bool -> LaTeX
ppForAll expl tvs cxt unicode
| show_forall = forall_part <+> ppLContext cxt unicode
| otherwise = ppLContext cxt unicode
where
- show_forall = not (null tvs) && is_explicit
+ show_forall = not (null (hsQTvBndrs tvs)) && is_explicit
is_explicit = case expl of {Explicit -> True; Implicit -> False}
forall_part = hsep (forallSymbol unicode : ppTyVars tvs) <> dot
@@ -869,7 +848,7 @@ ppr_mono_ty _ (HsTupleTy con tys) u = tupleParens con (map (ppLType u) t
ppr_mono_ty _ (HsKindSig ty kind) u = parens (ppr_mono_lty pREC_TOP ty u <+> dcolon u <+> ppLKind u kind)
ppr_mono_ty _ (HsListTy ty) u = brackets (ppr_mono_lty pREC_TOP ty u)
ppr_mono_ty _ (HsPArrTy ty) u = pabrackets (ppr_mono_lty pREC_TOP ty u)
-ppr_mono_ty _ (HsIParamTy n ty) u = brackets (ppDocName (ipNameName n) <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u)
+ppr_mono_ty _ (HsIParamTy n ty) u = brackets (ppIPName n <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u)
ppr_mono_ty _ (HsSpliceTy {}) _ = error "ppr_mono_ty HsSpliceTy"
ppr_mono_ty _ (HsQuasiQuoteTy {}) _ = error "ppr_mono_ty HsQuasiQuoteTy"
ppr_mono_ty _ (HsRecTy {}) _ = error "ppr_mono_ty HsRecTy"
@@ -900,6 +879,15 @@ ppr_mono_ty ctxt_prec (HsParTy ty) unicode
ppr_mono_ty ctxt_prec (HsDocTy ty _) unicode
= ppr_mono_lty ctxt_prec ty unicode
+ppr_mono_ty _ (HsTyLit t) u = ppr_tylit t u
+
+
+ppr_tylit :: HsTyLit -> Bool -> LaTeX
+ppr_tylit (HsNumTy n) _ = integer n
+ppr_tylit (HsStrTy s) _ = text (show s)
+ -- XXX: Ok in verbatim, but not otherwise
+ -- XXX: Do something with Unicode parameter?
+
ppr_fun_ty :: Int -> LHsType DocName -> LHsType DocName -> Bool -> LaTeX
ppr_fun_ty ctxt_prec ty1 ty2 unicode
@@ -930,6 +918,8 @@ ppSymName name
ppVerbOccName :: OccName -> LaTeX
ppVerbOccName = text . latexFilter . occNameString
+ppIPName :: HsIPName -> LaTeX
+ppIPName ip = text $ unpackFS $ hsIPNameFS ip
ppOccName :: OccName -> LaTeX
ppOccName = text . occNameString