Datatype for: @BindGroup@, @Bind@, @Sig@, @Bind@.
\begin{code}
-{-# OPTIONS -w #-}
+{-# OPTIONS -fno-warn-incomplete-patterns #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
| WpApp Var -- [] d the 'd' is a type-class dictionary
| WpTyApp Type -- [] t the 't' is a type or corecion
- | WpLam Id -- \d. [] the 'd' is a type-class dictionary
- | WpTyLam TyVar -- \a. [] the 'a' is a type or coercion variable
+ | WpLam Var -- \d. [] the 'd' is a type-class dictionary or coercion variable
+ | WpTyLam TyVar -- \a. [] the 'a' is a type variable (not coercion var)
| WpInline -- inline_me [] Wrap inline around the thing
-- Non-empty bindings, so that the identity coercion
isIdHsWrapper :: HsWrapper -> Bool
isIdHsWrapper WpHole = True
-isIdHsWrapper other = False
+isIdHsWrapper _ = False
\end{code}
| SpecPrag
(HsExpr Id) -- An expression, of the given specialised type, which
PostTcType -- specialises the polymorphic function
- [Id] -- Dicts mentioned free in the expression
- -- Apr07: I think this is pretty useless
- -- see Note [Const rule dicts] in DsBinds
InlineSpec -- Inlining spec for the specialised function
+isInlinePrag :: Prag -> Bool
isInlinePrag (InlinePrag _) = True
-isInlinePrag prag = False
+isInlinePrag _ = False
+isSpecPrag :: Prag -> Bool
isSpecPrag (SpecPrag {}) = True
-isSpecPrag prag = False
+isSpecPrag _ = False
\end{code}
\begin{code}
okHsBootSig :: LSig Name -> Bool
okHsBootSig (L _ (TypeSig _ _)) = True
okHsBootSig (L _ (FixSig _)) = True
-okHsBootSig sig = False
+okHsBootSig _ = False
okClsDclSig :: LSig Name -> Bool
okClsDclSig (L _ (SpecInstSig _)) = False
-okClsDclSig sig = True -- All others OK
+okClsDclSig _ = True -- All others OK
okInstDclSig :: NameSet -> LSig Name -> Bool
okInstDclSig ns lsig@(L _ sig) = ok ns sig
where
- ok ns (TypeSig _ _) = False
- ok ns (FixSig _) = False
- ok ns (SpecInstSig _) = True
- ok ns sig = sigForThisGroup ns lsig
+ ok _ (TypeSig _ _) = False
+ ok _ (FixSig _) = False
+ ok _ (SpecInstSig _) = True
+ ok ns _ = sigForThisGroup ns lsig
sigForThisGroup :: NameSet -> LSig Name -> Bool
sigForThisGroup ns sig
sigNameNoLoc (SpecSig n _ _) = Just (unLoc n)
sigNameNoLoc (InlineSig n _) = Just (unLoc n)
sigNameNoLoc (FixSig (FixitySig n _)) = Just (unLoc n)
-sigNameNoLoc other = Nothing
+sigNameNoLoc _ = Nothing
isFixityLSig :: LSig name -> Bool
isFixityLSig (L _ (FixSig {})) = True
isVanillaLSig :: LSig name -> Bool
isVanillaLSig (L _(TypeSig {})) = True
-isVanillaLSig sig = False
+isVanillaLSig _ = False
isSpecLSig :: LSig name -> Bool
isSpecLSig (L _(SpecSig {})) = True
-isSpecLSig sig = False
+isSpecLSig _ = False
+isSpecInstLSig :: LSig name -> Bool
isSpecInstLSig (L _ (SpecInstSig {})) = True
-isSpecInstLSig sig = False
+isSpecInstLSig _ = False
isPragLSig :: LSig name -> Bool
-- Identifies pragmas
isPragLSig (L _ (SpecSig {})) = True
isPragLSig (L _ (InlineSig {})) = True
-isPragLSig other = False
+isPragLSig _ = False
isInlineLSig :: LSig name -> Bool
-- Identifies inline pragmas
isInlineLSig (L _ (InlineSig {})) = True
-isInlineLSig other = False
+isInlineLSig _ = False
+hsSigDoc :: Sig name -> SDoc
hsSigDoc (TypeSig {}) = ptext SLIT("type signature")
hsSigDoc (SpecSig {}) = ptext SLIT("SPECIALISE pragma")
-hsSigDoc (InlineSig _ spec) = ptext SLIT("INLINE pragma")
+hsSigDoc (InlineSig {}) = ptext SLIT("INLINE pragma")
hsSigDoc (SpecInstSig {}) = ptext SLIT("SPECIALISE instance pragma")
hsSigDoc (FixSig {}) = ptext SLIT("fixity declaration")
\end{code}
eqHsSig :: LSig Name -> LSig Name -> Bool
eqHsSig (L _ (FixSig (FixitySig n1 _))) (L _ (FixSig (FixitySig n2 _))) = unLoc n1 == unLoc n2
eqHsSig (L _ (TypeSig n1 _)) (L _ (TypeSig n2 _)) = unLoc n1 == unLoc n2
-eqHsSig (L _ (InlineSig n1 s1)) (L _ (InlineSig n2 s2)) = unLoc n1 == unLoc n2
+eqHsSig (L _ (InlineSig n1 _)) (L _ (InlineSig n2 _)) = unLoc n1 == unLoc n2
-- For specialisations, we don't have equality over
-- HsType, so it's not convenient to spot duplicate
-- specialisations here. Check for this later, when we're in Type land
pprSpec var ty inl = sep [ptext SLIT("SPECIALIZE") <+> ppr inl <+> pprVarSig var ty]
pprPrag :: Outputable id => id -> LPrag -> SDoc
-pprPrag var (L _ (InlinePrag inl)) = ppr inl <+> ppr var
-pprPrag var (L _ (SpecPrag expr ty _ inl)) = pprSpec var ty inl
+pprPrag var (L _ (InlinePrag inl)) = ppr inl <+> ppr var
+pprPrag var (L _ (SpecPrag _expr ty inl)) = pprSpec var ty inl
\end{code}