X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Frename%2FRnEnv.lhs;h=825ed19fc230bc100e637db880a9da54459073a0;hb=edc0bafd3fcd01b85a2e8894e5dfe149eb0e0857;hp=862e33ff13529eb75840e89299d3d06ba4d169c6;hpb=92267aa26adb1ab5a6d8004a80fdf6aa06ea4e44;p=ghc-hetmet.git diff --git a/compiler/rename/RnEnv.lhs b/compiler/rename/RnEnv.lhs index 862e33f..825ed19 100644 --- a/compiler/rename/RnEnv.lhs +++ b/compiler/rename/RnEnv.lhs @@ -551,21 +551,21 @@ lookupBindGroupOcc :: Maybe NameSet -- See notes on the (Maybe NameSet) -- -- See Note [Looking up signature names] lookupBindGroupOcc mb_bound_names what rdr_name - = do { local_env <- getLocalRdrEnv - ; case lookupLocalRdrEnv local_env rdr_name of - Just n -> check_local_name n - Nothing -> do -- Not defined in a nested scope + = do { local_env <- getLocalRdrEnv + ; case lookupLocalRdrEnv local_env rdr_name of { + Just n -> check_local_name n; + Nothing -> do -- Not defined in a nested scope { env <- getGlobalRdrEnv - ; let gres = lookupGlobalRdrEnv env (rdrNameOcc rdr_name) - ; case (filter isLocalGRE gres) of - (gre:_) -> check_local_name (gre_name gre) - -- If there is more than one local GRE for the - -- same OccName 'f', that will be reported separately - -- as a duplicate top-level binding for 'f' - [] | null gres -> bale_out_with empty - | otherwise -> bale_out_with import_msg - }} + ; let gres = lookupGlobalRdrEnv env (rdrNameOcc rdr_name) + ; case (filter isLocalGRE gres) of + (gre:_) -> check_local_name (gre_name gre) + -- If there is more than one local GRE for the + -- same OccName 'f', that will be reported separately + -- as a duplicate top-level binding for 'f' + [] | null gres -> bale_out_with empty + | otherwise -> bale_out_with import_msg + }}} where check_local_name name -- The name is in scope, and not imported = case mb_bound_names of @@ -730,7 +730,7 @@ lookupTyFixityRn (L _ n) = lookupFixityRn n %* * Rebindable names Dealing with rebindable syntax is driven by the - Opt_NoImplicitPrelude dynamic flag. + Opt_RebindableSyntax dynamic flag. In "deriving" code we don't want to use rebindable syntax so we switch off the flag locally @@ -769,8 +769,8 @@ checks the type of the user thing against the type of the standard thing. lookupSyntaxName :: Name -- The standard name -> RnM (SyntaxExpr Name, FreeVars) -- Possibly a non-standard name lookupSyntaxName std_name - = xoptM Opt_ImplicitPrelude `thenM` \ implicit_prelude -> - if implicit_prelude then normal_case + = xoptM Opt_RebindableSyntax `thenM` \ rebindable_on -> + if not rebindable_on then normal_case else -- Get the similarly named thing from the local environment lookupOccRn (mkRdrUnqual (nameOccName std_name)) `thenM` \ usr_name -> @@ -781,8 +781,8 @@ lookupSyntaxName std_name lookupSyntaxTable :: [Name] -- Standard names -> RnM (SyntaxTable Name, FreeVars) -- See comments with HsExpr.ReboundNames lookupSyntaxTable std_names - = xoptM Opt_ImplicitPrelude `thenM` \ implicit_prelude -> - if implicit_prelude then normal_case + = xoptM Opt_RebindableSyntax `thenM` \ rebindable_on -> + if not rebindable_on then normal_case else -- Get the similarly named thing from the local environment mapM (lookupOccRn . mkRdrUnqual . nameOccName) std_names `thenM` \ usr_names ->