import HsSyn
import RdrName ( RdrName, isRdrDataCon, elemLocalRdrEnv, rdrNameOcc )
-import RdrHsSyn ( extractGenericPatTyVars, extractHsRhoRdrTyVars )
+import RdrHsSyn ( extractHsRhoRdrTyVars )
import RnHsSyn
import RnTypes ( rnLHsType, rnLHsTypes, rnHsSigType, rnHsTypeFVs, rnContext, rnConDeclFields )
import RnBinds ( rnTopBindsLHS, rnTopBindsRHS, rnMethodBinds, renameSigs, mkSigTvFn,
makeMiniFixityEnv)
import RnEnv ( lookupLocalDataTcNames, lookupLocatedOccRn,
lookupTopBndrRn, lookupLocatedTopBndrRn,
- lookupOccRn, newLocalBndrsRn, bindLocalNamesFV,
+ lookupOccRn, bindLocalNamesFV,
bindLocatedLocalsFV, bindPatSigTyVarsFV,
bindTyVarsRn, bindTyVarsFV, extendTyVarEnvFVRn,
bindLocalNames, checkDupRdrNames, mapFvRn
hs_fords = foreign_decls,
hs_defds = default_decls,
hs_ruleds = rule_decls,
+ hs_vects = vect_decls,
hs_docs = docs })
= do {
-- (A) Process the fixity declarations, creating a mapping from
(rn_inst_decls, src_fvs2) <- rnList rnSrcInstDecl inst_decls ;
(rn_rule_decls, src_fvs3) <- setOptM Opt_ScopedTypeVariables $
- rnList rnHsRuleDecl rule_decls ;
- -- Inside RULES, scoped type variables are on
- (rn_foreign_decls, src_fvs4) <- rnList rnHsForeignDecl foreign_decls ;
- (rn_ann_decls, src_fvs5) <- rnList rnAnnDecl ann_decls ;
- (rn_default_decls, src_fvs6) <- rnList rnDefaultDecl default_decls ;
- (rn_deriv_decls, src_fvs7) <- rnList rnSrcDerivDecl deriv_decls ;
+ rnList rnHsRuleDecl rule_decls ;
+ -- Inside RULES, scoped type variables are on
+ (rn_vect_decls, src_fvs4) <- rnList rnHsVectDecl vect_decls ;
+ (rn_foreign_decls, src_fvs5) <- rnList rnHsForeignDecl foreign_decls ;
+ (rn_ann_decls, src_fvs6) <- rnList rnAnnDecl ann_decls ;
+ (rn_default_decls, src_fvs7) <- rnList rnDefaultDecl default_decls ;
+ (rn_deriv_decls, src_fvs8) <- rnList rnSrcDerivDecl deriv_decls ;
-- Haddock docs; no free vars
rn_docs <- mapM (wrapLocM rnDocDecl) docs ;
hs_annds = rn_ann_decls,
hs_defds = rn_default_decls,
hs_ruleds = rn_rule_decls,
+ hs_vects = rn_vect_decls,
hs_docs = rn_docs } ;
tycl_bndrs = hsTyClDeclsBinders rn_tycl_decls rn_inst_decls ;
ford_bndrs = hsForeignDeclsBinders rn_foreign_decls ;
other_def = (Just (mkNameSet tycl_bndrs `unionNameSets` mkNameSet ford_bndrs), emptyNameSet) ;
other_fvs = plusFVs [src_fvs1, src_fvs2, src_fvs3, src_fvs4,
- src_fvs5, src_fvs6, src_fvs7] ;
+ src_fvs5, src_fvs6, src_fvs7, src_fvs8] ;
-- It is tiresome to gather the binders from type and class decls
src_dus = [other_def] `plusDU` bind_dus `plusDU` usesOnly other_fvs ;
-- The typechecker (not the renamer) checks that all
-- the bindings are for the right class
let
- meth_names = collectMethodBinders mbinds
(inst_tyvars, _, cls,_) = splitHsInstDeclTy (unLoc inst_ty')
in
- checkDupRdrNames meth_names `thenM_`
- -- Check that the same method is not given twice in the
- -- same instance decl instance C T where
- -- f x = ...
- -- g y = ...
- -- f x = ...
- -- We must use checkDupRdrNames because the Name of the
- -- method is the Name of the class selector, whose SrcSpan
- -- points to the class declaration
-
extendTyVarEnvForMethodBinds inst_tyvars (
-- (Slightly strangely) the forall-d tyvars scope over
-- the method bindings too
rnMethodBinds cls (\_ -> []) -- No scoped tyvars
- [] mbinds
+ mbinds
) `thenM` \ (mbinds', meth_fvs) ->
-- Rename the associated types
-- The typechecker (not the renamer) checks that all
%*********************************************************
+%* *
+\subsection{Vectorisation declarations}
+%* *
+%*********************************************************
+
+\begin{code}
+rnHsVectDecl :: VectDecl RdrName -> RnM (VectDecl Name, FreeVars)
+rnHsVectDecl (HsVect var Nothing)
+ = do { var' <- wrapLocM lookupTopBndrRn var
+ ; return (HsVect var' Nothing, unitFV (unLoc var'))
+ }
+rnHsVectDecl (HsVect var (Just rhs))
+ = do { var' <- wrapLocM lookupTopBndrRn var
+ ; (rhs', fv_rhs) <- rnLExpr rhs
+ ; return (HsVect var' (Just rhs'), fv_rhs `addOneFV` unLoc var')
+ }
+\end{code}
+
+%*********************************************************
%* *
\subsection{Type, class and iface sig declarations}
%* *
-- we want to name both "x" tyvars with the same unique, so that they are
-- easy to group together in the typechecker.
; (mbinds', meth_fvs)
- <- extendTyVarEnvForMethodBinds tyvars' $ do
- { name_env <- getLocalRdrEnv
- ; let gen_rdr_tyvars_w_locs = [ tv | tv <- extractGenericPatTyVars mbinds,
- not (unLoc tv `elemLocalRdrEnv` name_env) ]
+ <- extendTyVarEnvForMethodBinds tyvars' $
-- No need to check for duplicate method signatures
-- since that is done by RnNames.extendGlobalRdrEnvRn
-- and the methods are already in scope
- ; gen_tyvars <- newLocalBndrsRn gen_rdr_tyvars_w_locs
- ; rnMethodBinds (unLoc cname') (mkSigTvFn sigs') gen_tyvars mbinds }
+ rnMethodBinds (unLoc cname') (mkSigTvFn sigs') mbinds
-- Haddock docs
; docs' <- mapM (wrapLocM rnDocDecl) docs
= addl (gp { hs_annds = L l d : ts }) ds
add gp@(HsGroup {hs_ruleds = ts}) l (RuleD d) ds
= addl (gp { hs_ruleds = L l d : ts }) ds
+add gp@(HsGroup {hs_vects = ts}) l (VectD d) ds
+ = addl (gp { hs_vects = L l d : ts }) ds
add gp l (DocD d) ds
= addl (gp { hs_docs = (L l d) : (hs_docs gp) }) ds
add_sig :: LSig a -> HsValBinds a -> HsValBinds a
add_sig s (ValBindsIn bs sigs) = ValBindsIn bs (s:sigs)
add_sig _ (ValBindsOut {}) = panic "RdrHsSyn:add_sig"
-\end{code}
\ No newline at end of file
+\end{code}
projects / ghc-hetmet.git / blobdiff