From 6fd172c2692723ab67fcc1a998feed320a8ab144 Mon Sep 17 00:00:00 2001
From: Max Bolingbroke <batterseapower@hotmail.com>
Date: Mon, 22 Aug 2011 20:25:27 +0100
Subject: Adapt Haddock for the ConstraintKind extension changes
---
src/Haddock/Backends/Hoogle.hs | 4 +-
src/Haddock/Backends/LaTeX.hs | 31 ++++++-------
src/Haddock/Backends/Xhtml/Decl.hs | 32 ++++++--------
src/Haddock/Convert.hs | 75 +++++++++++++++-----------------
src/Haddock/Interface/AttachInstances.hs | 2 -
src/Haddock/Interface/Create.hs | 2 +-
src/Haddock/Interface/Rename.hs | 31 +++----------
src/Haddock/Types.hs | 2 +-
8 files changed, 73 insertions(+), 106 deletions(-)
(limited to 'src')
diff --git a/src/Haddock/Backends/Hoogle.hs b/src/Haddock/Backends/Hoogle.hs
index 44e83d64..adf95636 100644
--- a/src/Haddock/Backends/Hoogle.hs
+++ b/src/Haddock/Backends/Hoogle.hs
@@ -143,10 +143,10 @@ ppClass x = out x{tcdSigs=[]} :
addContext (TypeSig name (L l sig)) = TypeSig name (L l $ f sig)
addContext _ = error "expected TypeSig"
- f (HsForAllTy a b con d) = HsForAllTy a b (reL $ context : unL con) d
+ f (HsForAllTy a b con d) = HsForAllTy a b (reL (context : unLoc con)) d
f t = HsForAllTy Implicit [] (reL [context]) (reL t)
- context = reL $ HsClassP (unL $ tcdLName x)
+ context = nlHsTyConApp (unL $ tcdLName x)
(map (reL . HsTyVar . hsTyVarName . unL) (tcdTyVars x))
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index 27f6bd5e..59fff6ae 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -24,7 +24,7 @@ import GHC
import OccName
import Name ( isTyConName, nameOccName )
import RdrName ( rdrNameOcc, isRdrTc )
-import BasicTypes ( IPName(..), Boxity(..) )
+import BasicTypes ( ipNameName )
import Outputable ( Outputable, ppr, showSDoc )
import FastString ( unpackFS, unpackLitString )
@@ -450,7 +450,7 @@ rDoc = maybeDoc . fmap latexStripTrailingWhitespace
-------------------------------------------------------------------------------
-ppClassHdr :: Bool -> Located [LHsPred DocName] -> DocName
+ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName
-> [Located (HsTyVarBndr DocName)] -> [Located ([DocName], [DocName])]
-> Bool -> LaTeX
ppClassHdr summ lctxt n tvs fds unicode =
@@ -771,7 +771,7 @@ ppContextNoArrow [] _ = empty
ppContextNoArrow cxt unicode = pp_hs_context (map unLoc cxt) unicode
-ppContextNoLocs :: [HsPred DocName] -> Bool -> LaTeX
+ppContextNoLocs :: [HsType DocName] -> Bool -> LaTeX
ppContextNoLocs [] _ = empty
ppContextNoLocs cxt unicode = pp_hs_context cxt unicode <+> darrow unicode
@@ -780,17 +780,10 @@ ppContext :: HsContext DocName -> Bool -> LaTeX
ppContext cxt unicode = ppContextNoLocs (map unLoc cxt) unicode
-pp_hs_context :: [HsPred DocName] -> Bool -> LaTeX
+pp_hs_context :: [HsType DocName] -> Bool -> LaTeX
pp_hs_context [] _ = empty
-pp_hs_context [p] unicode = ppPred unicode p
-pp_hs_context cxt unicode = parenList (map (ppPred unicode) cxt)
-
-
-ppPred :: Bool -> HsPred DocName -> LaTeX
-ppPred unicode (HsClassP n ts) = ppAppNameTypes n (map unLoc ts) unicode
-ppPred unicode (HsEqualP t1 t2) = ppLType unicode t1 <> text "~" <> ppLType unicode t2
-ppPred unicode (HsIParam (IPName n) t)
- = char '?' <> ppDocName n <> dcolon unicode <> ppLType unicode t
+pp_hs_context [p] unicode = ppType unicode p
+pp_hs_context cxt unicode = parenList (map (ppType unicode) cxt)
-------------------------------------------------------------------------------
@@ -807,9 +800,9 @@ ppBang HsNoBang = empty
ppBang _ = char '!' -- Unpacked args is an implementation detail,
-tupleParens :: Boxity -> [LaTeX] -> LaTeX
-tupleParens Boxed = parenList
-tupleParens Unboxed = ubxParenList
+tupleParens :: HsTupleSort -> [LaTeX] -> LaTeX
+tupleParens (HsBoxyTuple _) = parenList
+tupleParens HsUnboxedTuple = ubxParenList
-------------------------------------------------------------------------------
@@ -878,12 +871,16 @@ 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 <+> ppKind 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 _ (HsPredTy p) u = parens (ppPred u p)
+ppr_mono_ty _ (HsIParamTy n ty) u = brackets (ppDocName (ipNameName 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"
ppr_mono_ty _ (HsCoreTy {}) _ = error "ppr_mono_ty HsCoreTy"
+ppr_mono_ty ctxt_prec (HsEqTy ty1 ty2) unicode
+ = maybeParen ctxt_prec pREC_OP $
+ ppr_mono_lty pREC_OP ty1 unicode <+> char '~' <+> ppr_mono_lty pREC_OP ty2 unicode
+
ppr_mono_ty ctxt_prec (HsAppTy fun_ty arg_ty) unicode
= maybeParen ctxt_prec pREC_CON $
hsep [ppr_mono_lty pREC_FUN fun_ty unicode, ppr_mono_lty pREC_CON arg_ty unicode]
diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs
index add926ab..eb1219f4 100644
--- a/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/src/Haddock/Backends/Xhtml/Decl.hs
@@ -32,9 +32,9 @@ import qualified Data.Map as Map
import Data.Maybe
import Text.XHtml hiding ( name, title, p, quote )
-import BasicTypes ( IPName(..), Boxity(..) )
import GHC
import Name
+import BasicTypes ( ipNameName )
import Outputable ( ppr, showSDoc, Outputable )
@@ -301,7 +301,7 @@ ppContextNoArrow [] _ _ = noHtml
ppContextNoArrow cxt unicode qual = pp_hs_context (map unLoc cxt) unicode qual
-ppContextNoLocs :: [HsPred DocName] -> Bool -> Qualification -> Html
+ppContextNoLocs :: [HsType DocName] -> Bool -> Qualification -> Html
ppContextNoLocs [] _ _ = noHtml
ppContextNoLocs cxt unicode qual = pp_hs_context cxt unicode qual
<+> darrow unicode
@@ -311,18 +311,10 @@ ppContext :: HsContext DocName -> Bool -> Qualification -> Html
ppContext cxt unicode qual = ppContextNoLocs (map unLoc cxt) unicode qual
-pp_hs_context :: [HsPred DocName] -> Bool -> Qualification-> Html
+pp_hs_context :: [HsType DocName] -> Bool -> Qualification-> Html
pp_hs_context [] _ _ = noHtml
-pp_hs_context [p] unicode qual = ppPred unicode qual p
-pp_hs_context cxt unicode qual = parenList (map (ppPred unicode qual) cxt)
-
-
-ppPred :: Bool -> Qualification -> HsPred DocName -> Html
-ppPred unicode qual (HsClassP n ts) = ppAppNameTypes n (map unLoc ts) unicode qual
-ppPred unicode qual (HsEqualP t1 t2) = ppLType unicode qual t1 <+> toHtml "~"
- <+> ppLType unicode qual t2
-ppPred unicode qual (HsIParam (IPName n) t)
- = toHtml "?" +++ ppDocName qual n <+> dcolon unicode <+> ppLType unicode qual t
+pp_hs_context [p] unicode qual = ppType unicode qual p
+pp_hs_context cxt unicode qual = parenList (map (ppType unicode qual) cxt)
-------------------------------------------------------------------------------
@@ -330,7 +322,7 @@ ppPred unicode qual (HsIParam (IPName n) t)
-------------------------------------------------------------------------------
-ppClassHdr :: Bool -> Located [LHsPred DocName] -> DocName
+ppClassHdr :: Bool -> Located [LHsType DocName] -> DocName
-> [Located (HsTyVarBndr DocName)] -> [Located ([DocName], [DocName])]
-> Bool -> Qualification -> Html
ppClassHdr summ lctxt n tvs fds unicode qual =
@@ -653,9 +645,9 @@ ppBang _ = toHtml "!" -- Unpacked args is an implementation detail,
-- so we just show the strictness annotation
-tupleParens :: Boxity -> [Html] -> Html
-tupleParens Boxed = parenList
-tupleParens Unboxed = ubxParenList
+tupleParens :: HsTupleSort -> [Html] -> Html
+tupleParens (HsBoxyTuple _) = parenList
+tupleParens HsUnboxedTuple = ubxParenList
--------------------------------------------------------------------------------
@@ -724,7 +716,7 @@ ppr_mono_ty _ (HsKindSig ty kind) u q =
parens (ppr_mono_lty pREC_TOP ty u q <+> dcolon u <+> ppKind kind)
ppr_mono_ty _ (HsListTy ty) u q = brackets (ppr_mono_lty pREC_TOP ty u q)
ppr_mono_ty _ (HsPArrTy ty) u q = pabrackets (ppr_mono_lty pREC_TOP ty u q)
-ppr_mono_ty _ (HsPredTy p) u q = parens (ppPred u q p)
+ppr_mono_ty _ (HsIParamTy n ty) u q = brackets (ppDocName q (ipNameName n) <+> dcolon u <+> ppr_mono_lty pREC_TOP ty u q)
ppr_mono_ty _ (HsSpliceTy {}) _ _ = error "ppr_mono_ty HsSpliceTy"
#if __GLASGOW_HASKELL__ == 612
ppr_mono_ty _ (HsSpliceTyOut {}) _ _ = error "ppr_mono_ty HsQuasiQuoteTy"
@@ -734,6 +726,10 @@ ppr_mono_ty _ (HsQuasiQuoteTy {}) _ _ = error "ppr_mono_ty HsQuasiQuoteT
ppr_mono_ty _ (HsRecTy {}) _ _ = error "ppr_mono_ty HsRecTy"
ppr_mono_ty _ (HsCoreTy {}) _ _ = error "ppr_mono_ty HsCoreTy"
+ppr_mono_ty ctxt_prec (HsEqTy ty1 ty2) unicode qual
+ = maybeParen ctxt_prec pREC_OP $
+ ppr_mono_lty pREC_OP ty1 unicode qual <+> char '~' <+> ppr_mono_lty pREC_OP ty2 unicode qual
+
ppr_mono_ty ctxt_prec (HsAppTy fun_ty arg_ty) unicode qual
= maybeParen ctxt_prec pREC_CON $
hsep [ppr_mono_lty pREC_FUN fun_ty unicode qual, ppr_mono_lty pREC_CON arg_ty unicode qual]
diff --git a/src/Haddock/Convert.hs b/src/Haddock/Convert.hs
index 34de6775..b3549fdc 100644
--- a/src/Haddock/Convert.hs
+++ b/src/Haddock/Convert.hs
@@ -20,14 +20,16 @@ module Haddock.Convert where
import HsSyn
import TcType ( tcSplitTyConApp_maybe, tcSplitSigmaTy )
import TypeRep
+import Kind ( liftedTypeKind, constraintKind )
import Coercion ( splitKindFunTys, synTyConResKind )
import Name
import Var
import Class
import TyCon
import DataCon
+import BasicTypes ( TupleSort(..) )
import TysPrim ( alphaTyVars )
-import TysWiredIn ( listTyConName )
+import TysWiredIn ( listTyConName, eqTyCon )
import Bag ( emptyBag )
import SrcLoc ( Located, noLoc, unLoc )
@@ -47,7 +49,22 @@ tyThingToLHsDecl t = noLoc $ case t of
-- type-constructors (e.g. Maybe) are complicated, put the definition
-- later in the file (also it's used for class associated-types too.)
- ATyCon tc -> TyClD (synifyTyCon tc)
+ ATyCon tc
+ | Just cl <- tyConClass_maybe tc -- classes are just a little tedious
+ -> TyClD $ ClassDecl
+ (synifyCtx (classSCTheta cl))
+ (synifyName cl)
+ (synifyTyVars (classTyVars cl))
+ (map (\ (l,r) -> noLoc
+ (map getName l, map getName r) ) $
+ snd $ classTvsFds cl)
+ (map (noLoc . synifyIdSig DeleteTopLevelQuantification)
+ (classMethods cl))
+ emptyBag --ignore default method definitions, they don't affect signature
+ (map synifyClassAT (classATs cl))
+ [] --we don't have any docs at this point
+ | otherwise
+ -> TyClD (synifyTyCon tc)
-- type-constructors (e.g. Maybe) are complicated, put the definition
-- later in the file (also it's used for class associated-types too.)
@@ -56,20 +73,6 @@ tyThingToLHsDecl t = noLoc $ case t of
-- a data-constructor alone just gets rendered as a function:
ADataCon dc -> SigD (TypeSig [synifyName dc]
(synifyType ImplicitizeForAll (dataConUserType dc)))
- -- classes are just a little tedious
- AClass cl ->
- TyClD $ ClassDecl
- (synifyCtx (classSCTheta cl))
- (synifyName cl)
- (synifyTyVars (classTyVars cl))
- (map (\ (l,r) -> noLoc
- (map getName l, map getName r) ) $
- snd $ classTvsFds cl)
- (map (noLoc . synifyIdSig DeleteTopLevelQuantification)
- (classMethods cl))
- emptyBag --ignore default method definitions, they don't affect signature
- (map synifyClassAT (classATs cl))
- [] --we don't have any docs at this point
-- class associated-types are a subset of TyCon
@@ -224,25 +227,7 @@ synifyIdSig s i = TypeSig [synifyName i] (synifyType s (varType i))
synifyCtx :: [PredType] -> LHsContext Name
-synifyCtx = noLoc . map synifyPred
-
-
-synifyPred :: PredType -> LHsPred Name
-synifyPred (ClassP cls tys) =
- let sTys = map (synifyType WithinType) tys
- in noLoc $
- HsClassP (getName cls) sTys
-synifyPred (IParam ip ty) =
- let sTy = synifyType WithinType ty
- -- IPName should be in class NamedThing...
- in noLoc $
- HsIParam ip sTy
-synifyPred (EqPred ty1 ty2) =
- let
- s1 = synifyType WithinType ty1
- s2 = synifyType WithinType ty2
- in noLoc $
- HsEqualP s1 s2
+synifyCtx = noLoc . map (synifyType WithinType)
synifyTyVars :: [TyVar] -> [LHsTyVarBndr Name]
@@ -273,16 +258,26 @@ data SynifyTypeState
synifyType :: SynifyTypeState -> Type -> LHsType Name
-synifyType _ (PredTy{}) = --should never happen.
- error "synifyType: PredTys are not, in themselves, source-level types."
synifyType _ (TyVarTy tv) = noLoc $ HsTyVar (getName tv)
synifyType _ (TyConApp tc tys)
-- Use non-prefix tuple syntax where possible, because it looks nicer.
| isTupleTyCon tc, tyConArity tc == length tys =
- noLoc $ HsTupleTy (tupleTyConBoxity tc) (map (synifyType WithinType) tys)
+ noLoc $ HsTupleTy (case tupleTyConSort tc of
+ BoxedTuple -> HsBoxyTuple liftedTypeKind
+ FactTuple -> HsBoxyTuple constraintKind
+ UnboxedTuple -> HsUnboxedTuple)
+ (map (synifyType WithinType) tys)
-- ditto for lists
| getName tc == listTyConName, [ty] <- tys =
noLoc $ HsListTy (synifyType WithinType ty)
+ -- ditto for implicit parameter tycons
+ | Just ip <- tyConIP_maybe tc
+ , [ty] <- tys
+ = noLoc $ HsIParamTy ip (synifyType WithinType ty)
+ -- and equalities
+ | tc == eqTyCon
+ , [ty1, ty2] <- tys
+ = noLoc $ HsEqTy (synifyType WithinType ty1) (synifyType WithinType ty2)
-- Most TyCons:
| otherwise =
foldl (\t1 t2 -> noLoc (HsAppTy t1 t2))
@@ -313,9 +308,9 @@ synifyType s forallty@(ForAllTy _tv _ty) =
synifyInstHead :: ([TyVar], [PredType], Class, [Type]) ->
- ([HsPred Name], Name, [HsType Name])
+ ([HsType Name], Name, [HsType Name])
synifyInstHead (_, preds, cls, ts) =
- ( map (unLoc . synifyPred) preds
+ ( map (unLoc . synifyType WithinType) preds
, getName cls
, map (unLoc . synifyType WithinType) ts
)
diff --git a/src/Haddock/Interface/AttachInstances.hs b/src/Haddock/Interface/AttachInstances.hs
index e4da3233..01d5b0f4 100644
--- a/src/Haddock/Interface/AttachInstances.hs
+++ b/src/Haddock/Interface/AttachInstances.hs
@@ -116,7 +116,6 @@ getAllInfo name = withSession $ \hsc_env -> do
data SimpleType = SimpleType Name [SimpleType] deriving (Eq,Ord)
--- TODO: should we support PredTy here?
instHead :: ([TyVar], [PredType], Class, [Type]) -> ([Int], Name, [SimpleType])
instHead (_, _, cls, args)
= (map argCount args, className cls, map simplify args)
@@ -134,7 +133,6 @@ instHead (_, _, cls, args)
where (SimpleType s ts) = simplify t1
simplify (TyVarTy v) = SimpleType (tyVarName v) []
simplify (TyConApp tc ts) = SimpleType (tyConName tc) (map simplify ts)
- simplify _ = error "simplify"
-- sortImage f = sortBy (\x y -> compare (f x) (f y))
diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs
index f9d72bd0..860a0044 100644
--- a/src/Haddock/Interface/Create.hs
+++ b/src/Haddock/Interface/Create.hs
@@ -770,7 +770,7 @@ extractClassDecl c tvs0 (L pos (TypeSig lname ltype)) = case ltype of
_ -> L pos (TypeSig lname (noLoc (mkImplicitHsForAllTy (lctxt []) ltype)))
where
lctxt = noLoc . ctxt
- ctxt preds = noLoc (HsClassP c (map toTypeNoLoc tvs0)) : preds
+ ctxt preds = nlHsTyConApp c (map toTypeNoLoc tvs0) : preds
extractClassDecl _ _ _ = error "extractClassDecl: unexpected decl"
diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs
index 2d5c899a..cc49cd53 100644
--- a/src/Haddock/Interface/Rename.hs
+++ b/src/Haddock/Interface/Rename.hs
@@ -17,8 +17,8 @@ import Haddock.GhcUtils
import GHC hiding (NoLink)
import Name
-import BasicTypes
import Bag (emptyBag)
+import BasicTypes ( IPName(..), ipNameName )
import Data.List
import qualified Data.Map as Map hiding ( Map )
@@ -208,25 +208,6 @@ renameFnArgsDoc :: FnArgsDoc Name -> RnM (FnArgsDoc DocName)
renameFnArgsDoc = mapM renameDoc
-renameLPred :: LHsPred Name -> RnM (LHsPred DocName)
-renameLPred = mapM renamePred
-
-
-renamePred :: HsPred Name -> RnM (HsPred DocName)
-renamePred (HsClassP name types) = do
- name' <- rename name
- types' <- mapM renameLType types
- return (HsClassP name' types')
-renamePred (HsEqualP type1 type2) = do
- type1' <- renameLType type1
- type2' <- renameLType type2
- return (HsEqualP type1' type2')
-renamePred (HsIParam (IPName name) t) = do
- name' <- rename name
- t' <- renameLType t
- return (HsIParam (IPName name') t')
-
-
renameLType :: LHsType Name -> RnM (LHsType DocName)
renameLType = mapM renameType
@@ -254,6 +235,8 @@ renameType t = case t of
HsListTy ty -> return . HsListTy =<< renameLType ty
HsPArrTy ty -> return . HsPArrTy =<< renameLType ty
+ HsIParamTy n ty -> liftM2 HsIParamTy (liftM IPName (rename (ipNameName n))) (renameLType ty)
+ HsEqTy ty1 ty2 -> liftM2 HsEqTy (renameLType ty1) (renameLType ty2)
HsTupleTy b ts -> return . HsTupleTy b =<< mapM renameLType ts
@@ -265,8 +248,6 @@ renameType t = case t of
HsParTy ty -> return . HsParTy =<< renameLType ty
- HsPredTy p -> return . HsPredTy =<< renamePred p
-
HsKindSig ty k -> do
ty' <- renameLType ty
return (HsKindSig ty' k)
@@ -285,15 +266,15 @@ renameLTyVarBndr (L loc tv) = do
return $ L loc (replaceTyVarName tv name')
-renameLContext :: Located [LHsPred Name] -> RnM (Located [LHsPred DocName])
+renameLContext :: Located [LHsType Name] -> RnM (Located [LHsType DocName])
renameLContext (L loc context) = do
- context' <- mapM renameLPred context
+ context' <- mapM renameLType context
return (L loc context')
renameInstHead :: InstHead Name -> RnM (InstHead DocName)
renameInstHead (preds, className, types) = do
- preds' <- mapM renamePred preds
+ preds' <- mapM renameType preds
className' <- rename className
types' <- mapM renameType types
return (preds', className', types')
diff --git a/src/Haddock/Types.hs b/src/Haddock/Types.hs
index d82e3efd..fddafc1d 100644
--- a/src/Haddock/Types.hs
+++ b/src/Haddock/Types.hs
@@ -259,7 +259,7 @@ type DocInstance name = (InstHead name, Maybe (Doc name))
-- | The head of an instance. Consists of a context, a class name and a list
-- of instance types.
-type InstHead name = ([HsPred name], name, [HsType name])
+type InstHead name = ([HsType name], name, [HsType name])
-----------------------------------------------------------------------------
--
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