{-# LANGUAGE CPP, NondecreasingIndentation #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeFamilies #-}
{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
{-# OPTIONS_GHC -Wno-incomplete-record-updates #-}
module GHC.Rename.Names (
rnImports, getLocalNonValBinders, newRecordSelector,
extendGlobalRdrEnvRn,
gresFromAvails,
calculateAvails,
reportUnusedNames,
checkConName,
mkChildEnv,
findChildren,
dodgyMsg,
dodgyMsgInsert,
findImportUsage,
getMinimalImports,
printMinimalImports,
ImportDeclUsage
) where
#include "HsVersions.h"
import GHC.Prelude
import GHC.Driver.Env
import GHC.Driver.Session
import GHC.Driver.Ppr
import GHC.Rename.Env
import GHC.Rename.Fixity
import GHC.Rename.Utils ( warnUnusedTopBinds, mkFieldEnv )
import GHC.Tc.Utils.Env
import GHC.Tc.Utils.Monad
import GHC.Hs
import GHC.Iface.Load ( loadSrcInterface )
import GHC.Builtin.Names
import GHC.Parser.PostProcess ( setRdrNameSpace )
import GHC.Core.Type
import GHC.Core.PatSyn
import GHC.Core.TyCo.Ppr
import GHC.Core.TyCon ( TyCon, tyConName, tyConKind )
import qualified GHC.LanguageExtensions as LangExt
import GHC.Utils.Outputable as Outputable
import GHC.Utils.Misc as Utils
import GHC.Utils.Panic
import GHC.Types.Fixity.Env
import GHC.Types.SafeHaskell
import GHC.Types.Name
import GHC.Types.Name.Env
import GHC.Types.Name.Set
import GHC.Types.Name.Reader
import GHC.Types.Avail
import GHC.Types.FieldLabel
import GHC.Types.SourceFile
import GHC.Types.SrcLoc as SrcLoc
import GHC.Types.Basic ( TopLevelFlag(..) )
import GHC.Types.SourceText
import GHC.Types.Id
import GHC.Types.HpcInfo
import GHC.Unit
import GHC.Unit.Module.Warnings
import GHC.Unit.Module.ModIface
import GHC.Unit.Module.Imported
import GHC.Unit.Module.Deps
import GHC.Data.Maybe
import GHC.Data.FastString
import GHC.Data.FastString.Env
import Control.Monad
import Data.Either ( partitionEithers )
import Data.Map ( Map )
import qualified Data.Map as Map
import Data.Ord ( comparing )
import Data.List ( partition, (\\), find, sortBy, groupBy, sortOn )
import Data.Function ( on )
import qualified Data.Set as S
import System.FilePath ((</>))
import System.IO
rnImports :: [LImportDecl GhcPs]
-> RnM ([LImportDecl GhcRn], GlobalRdrEnv, ImportAvails, AnyHpcUsage)
rnImports :: [LImportDecl GhcPs]
-> RnM ([LImportDecl GhcRn], GlobalRdrEnv, ImportAvails, Bool)
rnImports [LImportDecl GhcPs]
imports = do
TcGblEnv
tcg_env <- TcRnIf TcGblEnv TcLclEnv TcGblEnv
forall gbl lcl. TcRnIf gbl lcl gbl
getGblEnv
let this_mod :: Module
this_mod = TcGblEnv -> Module
tcg_mod TcGblEnv
tcg_env
let ([GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
source, [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
ordinary) = (GenLocated SrcSpanAnnA (ImportDecl GhcPs) -> Bool)
-> [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcPs)],
[GenLocated SrcSpanAnnA (ImportDecl GhcPs)])
forall a. (a -> Bool) -> [a] -> ([a], [a])
partition GenLocated SrcSpanAnnA (ImportDecl GhcPs) -> Bool
forall {l} {pass}. GenLocated l (ImportDecl pass) -> Bool
is_source_import [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
[LImportDecl GhcPs]
imports
is_source_import :: GenLocated l (ImportDecl pass) -> Bool
is_source_import GenLocated l (ImportDecl pass)
d = ImportDecl pass -> IsBootInterface
forall pass. ImportDecl pass -> IsBootInterface
ideclSource (GenLocated l (ImportDecl pass) -> ImportDecl pass
forall l e. GenLocated l e -> e
unLoc GenLocated l (ImportDecl pass)
d) IsBootInterface -> IsBootInterface -> Bool
forall a. Eq a => a -> a -> Bool
== IsBootInterface
IsBoot
[(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
stuff1 <- (GenLocated SrcSpanAnnA (ImportDecl GhcPs)
-> TcRn
(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool))
-> [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
-> TcRn
[(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
forall a b. (a -> TcRn b) -> [a] -> TcRn [b]
mapAndReportM (Module
-> LImportDecl GhcPs
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
rnImportDecl Module
this_mod) [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
ordinary
[(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
stuff2 <- (GenLocated SrcSpanAnnA (ImportDecl GhcPs)
-> TcRn
(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool))
-> [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
-> TcRn
[(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
forall a b. (a -> TcRn b) -> [a] -> TcRn [b]
mapAndReportM (Module
-> LImportDecl GhcPs
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
rnImportDecl Module
this_mod) [GenLocated SrcSpanAnnA (ImportDecl GhcPs)]
source
let ([LImportDecl GhcRn]
decls, GlobalRdrEnv
rdr_env, ImportAvails
imp_avails, Bool
hpc_usage) = [(LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)]
-> ([LImportDecl GhcRn], GlobalRdrEnv, ImportAvails, Bool)
combine ([(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
stuff1 [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
forall a. [a] -> [a] -> [a]
++ [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
stuff2)
([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool)
-> IOEnv
(Env TcGblEnv TcLclEnv)
([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool)
forall (m :: * -> *) a. Monad m => a -> m a
return ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn]
decls, GlobalRdrEnv
rdr_env, ImportAvails
imp_avails, Bool
hpc_usage)
where
combine :: [(LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, AnyHpcUsage)]
-> ([LImportDecl GhcRn], GlobalRdrEnv, ImportAvails, AnyHpcUsage)
combine :: [(LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)]
-> ([LImportDecl GhcRn], GlobalRdrEnv, ImportAvails, Bool)
combine [(LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)]
ss =
let ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
decls, GlobalRdrEnv
rdr_env, ImportAvails
imp_avails, Bool
hpc_usage, ModuleSet
finsts) = ((GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet)
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet))
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet)
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet)
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr
(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet)
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)], GlobalRdrEnv,
ImportAvails, Bool, ModuleSet)
forall {a}.
(a, GlobalRdrEnv, ImportAvails, Bool)
-> ([a], GlobalRdrEnv, ImportAvails, Bool, ModuleSet)
-> ([a], GlobalRdrEnv, ImportAvails, Bool, ModuleSet)
plus
([], GlobalRdrEnv
emptyGlobalRdrEnv, ImportAvails
emptyImportAvails, Bool
False, ModuleSet
emptyModuleSet)
[(GenLocated SrcSpanAnnA (ImportDecl GhcRn), GlobalRdrEnv,
ImportAvails, Bool)]
[(LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)]
ss
in ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn]
decls, GlobalRdrEnv
rdr_env, ImportAvails
imp_avails { imp_finsts :: [Module]
imp_finsts = ModuleSet -> [Module]
moduleSetElts ModuleSet
finsts },
Bool
hpc_usage)
plus :: (a, GlobalRdrEnv, ImportAvails, Bool)
-> ([a], GlobalRdrEnv, ImportAvails, Bool, ModuleSet)
-> ([a], GlobalRdrEnv, ImportAvails, Bool, ModuleSet)
plus (a
decl, GlobalRdrEnv
gbl_env1, ImportAvails
imp_avails1, Bool
hpc_usage1)
([a]
decls, GlobalRdrEnv
gbl_env2, ImportAvails
imp_avails2, Bool
hpc_usage2, ModuleSet
finsts_set)
= ( a
decla -> [a] -> [a]
forall a. a -> [a] -> [a]
:[a]
decls,
GlobalRdrEnv
gbl_env1 GlobalRdrEnv -> GlobalRdrEnv -> GlobalRdrEnv
`plusGlobalRdrEnv` GlobalRdrEnv
gbl_env2,
ImportAvails
imp_avails1' ImportAvails -> ImportAvails -> ImportAvails
`plusImportAvails` ImportAvails
imp_avails2,
Bool
hpc_usage1 Bool -> Bool -> Bool
|| Bool
hpc_usage2,
ModuleSet -> [Module] -> ModuleSet
extendModuleSetList ModuleSet
finsts_set [Module]
new_finsts )
where
imp_avails1' :: ImportAvails
imp_avails1' = ImportAvails
imp_avails1 { imp_finsts :: [Module]
imp_finsts = [] }
new_finsts :: [Module]
new_finsts = ImportAvails -> [Module]
imp_finsts ImportAvails
imp_avails1
rnImportDecl :: Module -> LImportDecl GhcPs
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, AnyHpcUsage)
rnImportDecl :: Module
-> LImportDecl GhcPs
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
rnImportDecl Module
this_mod
(L SrcSpanAnnA
loc decl :: ImportDecl GhcPs
decl@(ImportDecl { ideclName :: forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName = XRec GhcPs ModuleName
loc_imp_mod_name
, ideclPkgQual :: forall pass. ImportDecl pass -> Maybe StringLiteral
ideclPkgQual = Maybe StringLiteral
mb_pkg
, ideclSource :: forall pass. ImportDecl pass -> IsBootInterface
ideclSource = IsBootInterface
want_boot, ideclSafe :: forall pass. ImportDecl pass -> Bool
ideclSafe = Bool
mod_safe
, ideclQualified :: forall pass. ImportDecl pass -> ImportDeclQualifiedStyle
ideclQualified = ImportDeclQualifiedStyle
qual_style, ideclImplicit :: forall pass. ImportDecl pass -> Bool
ideclImplicit = Bool
implicit
, ideclAs :: forall pass. ImportDecl pass -> Maybe (XRec pass ModuleName)
ideclAs = Maybe (XRec GhcPs ModuleName)
as_mod, ideclHiding :: forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding = Maybe (Bool, XRec GhcPs [LIE GhcPs])
imp_details }))
= SrcSpanAnnA
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
forall ann a. SrcSpanAnn' ann -> TcRn a -> TcRn a
setSrcSpanA SrcSpanAnnA
loc (RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool))
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
-> RnM (LImportDecl GhcRn, GlobalRdrEnv, ImportAvails, Bool)
forall a b. (a -> b) -> a -> b
$ do
Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Maybe StringLiteral -> Bool
forall a. Maybe a -> Bool
isJust Maybe StringLiteral
mb_pkg) (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ do
Bool
pkg_imports <- Extension -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. Extension -> TcRnIf gbl lcl Bool
xoptM Extension
LangExt.PackageImports
Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool -> Bool
not Bool
pkg_imports) (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addErr SDoc
packageImportErr
let qual_only :: Bool
qual_only = ImportDeclQualifiedStyle -> Bool
isImportDeclQualified ImportDeclQualifiedStyle
qual_style
let imp_mod_name :: ModuleName
imp_mod_name = GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnA ModuleName
XRec GhcPs ModuleName
loc_imp_mod_name
doc :: SDoc
doc = ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
imp_mod_name SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"is directly imported"
Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (ModuleName
imp_mod_name ModuleName -> ModuleName -> Bool
forall a. Eq a => a -> a -> Bool
== Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName Module
this_mod Bool -> Bool -> Bool
&&
(case Maybe StringLiteral
mb_pkg of
Maybe StringLiteral
Nothing -> Bool
True
Just (StringLiteral SourceText
_ FastString
pkg_fs Maybe RealSrcSpan
_) -> FastString
pkg_fs FastString -> FastString -> Bool
forall a. Eq a => a -> a -> Bool
== String -> FastString
fsLit String
"this" Bool -> Bool -> Bool
||
FastString -> Unit
fsToUnit FastString
pkg_fs Unit -> Unit -> Bool
forall a. Eq a => a -> a -> Bool
== Module -> Unit
forall unit. GenModule unit -> unit
moduleUnit Module
this_mod))
(SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addErr (String -> SDoc
text String
"A module cannot import itself:" SDoc -> SDoc -> SDoc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
imp_mod_name))
case Maybe (Bool, XRec GhcPs [LIE GhcPs])
imp_details of
Just (Bool
False, XRec GhcPs [LIE GhcPs]
_) -> () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
Maybe (Bool, XRec GhcPs [LIE GhcPs])
_ | Bool
implicit -> () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
| Bool
qual_only -> () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
| Bool
otherwise -> WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnMissingImportList (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
WarnReason -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarn (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnMissingImportList)
(ModuleName -> SDoc
missingImportListWarn ModuleName
imp_mod_name)
ModIface
iface <- SDoc
-> ModuleName
-> IsBootInterface
-> Maybe FastString
-> RnM ModIface
loadSrcInterface SDoc
doc ModuleName
imp_mod_name IsBootInterface
want_boot ((StringLiteral -> FastString)
-> Maybe StringLiteral -> Maybe FastString
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap StringLiteral -> FastString
sl_fs Maybe StringLiteral
mb_pkg)
WARN( (want_boot == NotBoot) && (mi_boot iface == IsBoot), ppr imp_mod_name ) do
dflags <- getDynFlags
warnIf ((want_boot == IsBoot) && (mi_boot iface == NotBoot) && isOneShot (ghcMode dflags))
(warnRedundantSourceImport imp_mod_name)
when (mod_safe && not (safeImportsOn dflags)) $
addErr (text "safe import can't be used as Safe Haskell isn't on!"
$+$ ptext (sLit $ "please enable Safe Haskell through either "
++ "Safe, Trustworthy or Unsafe"))
let
qual_mod_name = fmap unLoc as_mod `orElse` imp_mod_name
imp_spec = ImpDeclSpec { is_mod = imp_mod_name, is_qual = qual_only,
is_dloc = locA loc, is_as = qual_mod_name }
(new_imp_details, gres) <- filterImports iface imp_spec imp_details
potential_gres <- mkGlobalRdrEnv . snd <$> filterImports iface imp_spec Nothing
let gbl_env = mkGlobalRdrEnv gres
is_hiding | Just (True,_) <- imp_details = True
| otherwise = False
mod_safe' = mod_safe
|| (not implicit && safeDirectImpsReq dflags)
|| (implicit && safeImplicitImpsReq dflags)
hsc_env <- getTopEnv
let home_unit = hsc_home_unit hsc_env
imv = ImportedModsVal
{ imv_name = qual_mod_name
, imv_span = locA loc
, imv_is_safe = mod_safe'
, imv_is_hiding = is_hiding
, imv_all_exports = potential_gres
, imv_qualified = qual_only
}
imports = calculateAvails home_unit iface mod_safe' want_boot (ImportedByUser imv)
whenWOptM Opt_WarnWarningsDeprecations (
case (mi_warns iface) of
WarnAll txt -> addWarn (Reason Opt_WarnWarningsDeprecations)
(moduleWarn imp_mod_name txt)
_ -> return ()
)
warnUnqualifiedImport decl iface
let new_imp_decl = L loc (decl { ideclExt = noExtField, ideclSafe = mod_safe'
, ideclHiding = new_imp_details
, ideclName = ideclName decl
, ideclAs = ideclAs decl })
return (new_imp_decl, gbl_env, imports, mi_hpc iface)
calculateAvails :: HomeUnit
-> ModIface
-> IsSafeImport
-> IsBootInterface
-> ImportedBy
-> ImportAvails
calculateAvails :: HomeUnit
-> ModIface
-> Bool
-> IsBootInterface
-> ImportedBy
-> ImportAvails
calculateAvails HomeUnit
home_unit ModIface
iface Bool
mod_safe' IsBootInterface
want_boot ImportedBy
imported_by =
let imp_mod :: Module
imp_mod = ModIface -> Module
forall (phase :: ModIfacePhase). ModIface_ phase -> Module
mi_module ModIface
iface
imp_sem_mod :: Module
imp_sem_mod= ModIface -> Module
forall (phase :: ModIfacePhase). ModIface_ phase -> Module
mi_semantic_module ModIface
iface
orph_iface :: Bool
orph_iface = ModIfaceBackend -> Bool
mi_orphan (ModIface -> IfaceBackendExts 'ModIfaceFinal
forall (phase :: ModIfacePhase).
ModIface_ phase -> IfaceBackendExts phase
mi_final_exts ModIface
iface)
has_finsts :: Bool
has_finsts = ModIfaceBackend -> Bool
mi_finsts (ModIface -> IfaceBackendExts 'ModIfaceFinal
forall (phase :: ModIfacePhase).
ModIface_ phase -> IfaceBackendExts phase
mi_final_exts ModIface
iface)
deps :: Dependencies
deps = ModIface -> Dependencies
forall (phase :: ModIfacePhase). ModIface_ phase -> Dependencies
mi_deps ModIface
iface
trust :: SafeHaskellMode
trust = IfaceTrustInfo -> SafeHaskellMode
getSafeMode (IfaceTrustInfo -> SafeHaskellMode)
-> IfaceTrustInfo -> SafeHaskellMode
forall a b. (a -> b) -> a -> b
$ ModIface -> IfaceTrustInfo
forall (phase :: ModIfacePhase). ModIface_ phase -> IfaceTrustInfo
mi_trust ModIface
iface
trust_pkg :: Bool
trust_pkg = ModIface -> Bool
forall (phase :: ModIfacePhase). ModIface_ phase -> Bool
mi_trust_pkg ModIface
iface
orphans :: [Module]
orphans | Bool
orph_iface = ASSERT2( not (imp_sem_mod `elem` dep_orphs deps), ppr imp_sem_mod <+> ppr (dep_orphs deps) )
Module
imp_sem_mod Module -> [Module] -> [Module]
forall a. a -> [a] -> [a]
: Dependencies -> [Module]
dep_orphs Dependencies
deps
| Bool
otherwise = Dependencies -> [Module]
dep_orphs Dependencies
deps
finsts :: [Module]
finsts | Bool
has_finsts = ASSERT2( not (imp_sem_mod `elem` dep_finsts deps), ppr imp_sem_mod <+> ppr (dep_orphs deps) )
Module
imp_sem_mod Module -> [Module] -> [Module]
forall a. a -> [a] -> [a]
: Dependencies -> [Module]
dep_finsts Dependencies
deps
| Bool
otherwise = Dependencies -> [Module]
dep_finsts Dependencies
deps
pkg :: Unit
pkg = Module -> Unit
forall unit. GenModule unit -> unit
moduleUnit (ModIface -> Module
forall (phase :: ModIfacePhase). ModIface_ phase -> Module
mi_module ModIface
iface)
ipkg :: UnitId
ipkg = Unit -> UnitId
toUnitId Unit
pkg
ptrust :: Bool
ptrust = SafeHaskellMode
trust SafeHaskellMode -> SafeHaskellMode -> Bool
forall a. Eq a => a -> a -> Bool
== SafeHaskellMode
Sf_Trustworthy Bool -> Bool -> Bool
|| Bool
trust_pkg
([GenWithIsBoot ModuleName]
dependent_mods, [(UnitId, Bool)]
dependent_pkgs, Bool
pkg_trust_req)
| HomeUnit -> Unit -> Bool
isHomeUnit HomeUnit
home_unit Unit
pkg =
( GWIB { gwib_mod :: ModuleName
gwib_mod = Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName Module
imp_mod, gwib_isBoot :: IsBootInterface
gwib_isBoot = IsBootInterface
want_boot } GenWithIsBoot ModuleName
-> [GenWithIsBoot ModuleName] -> [GenWithIsBoot ModuleName]
forall a. a -> [a] -> [a]
: Dependencies -> [GenWithIsBoot ModuleName]
dep_mods Dependencies
deps
, Dependencies -> [(UnitId, Bool)]
dep_pkgs Dependencies
deps
, Bool
ptrust
)
| Bool
otherwise =
ASSERT2( not (ipkg `elem` (map fst $ dep_pkgs deps))
, ppr ipkg <+> ppr (dep_pkgs deps) )
([], (UnitId
ipkg, Bool
False) (UnitId, Bool) -> [(UnitId, Bool)] -> [(UnitId, Bool)]
forall a. a -> [a] -> [a]
: Dependencies -> [(UnitId, Bool)]
dep_pkgs Dependencies
deps, Bool
False)
in ImportAvails {
imp_mods :: ImportedMods
imp_mods = Module -> [ImportedBy] -> ImportedMods
forall a. Module -> a -> ModuleEnv a
unitModuleEnv (ModIface -> Module
forall (phase :: ModIfacePhase). ModIface_ phase -> Module
mi_module ModIface
iface) [ImportedBy
imported_by],
imp_orphs :: [Module]
imp_orphs = [Module]
orphans,
imp_finsts :: [Module]
imp_finsts = [Module]
finsts,
imp_dep_mods :: ModuleNameEnv (GenWithIsBoot ModuleName)
imp_dep_mods = [GenWithIsBoot ModuleName]
-> ModuleNameEnv (GenWithIsBoot ModuleName)
mkModDeps [GenWithIsBoot ModuleName]
dependent_mods,
imp_dep_pkgs :: Set UnitId
imp_dep_pkgs = [UnitId] -> Set UnitId
forall a. Ord a => [a] -> Set a
S.fromList ([UnitId] -> Set UnitId)
-> ([(UnitId, Bool)] -> [UnitId]) -> [(UnitId, Bool)] -> Set UnitId
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((UnitId, Bool) -> UnitId) -> [(UnitId, Bool)] -> [UnitId]
forall a b. (a -> b) -> [a] -> [b]
map (UnitId, Bool) -> UnitId
forall a b. (a, b) -> a
fst ([(UnitId, Bool)] -> Set UnitId) -> [(UnitId, Bool)] -> Set UnitId
forall a b. (a -> b) -> a -> b
$ [(UnitId, Bool)]
dependent_pkgs,
imp_trust_pkgs :: Set UnitId
imp_trust_pkgs = if Bool
mod_safe'
then [UnitId] -> Set UnitId
forall a. Ord a => [a] -> Set a
S.fromList ([UnitId] -> Set UnitId)
-> ([(UnitId, Bool)] -> [UnitId]) -> [(UnitId, Bool)] -> Set UnitId
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((UnitId, Bool) -> UnitId) -> [(UnitId, Bool)] -> [UnitId]
forall a b. (a -> b) -> [a] -> [b]
map (UnitId, Bool) -> UnitId
forall a b. (a, b) -> a
fst ([(UnitId, Bool)] -> Set UnitId) -> [(UnitId, Bool)] -> Set UnitId
forall a b. (a -> b) -> a -> b
$ ((UnitId, Bool) -> Bool) -> [(UnitId, Bool)] -> [(UnitId, Bool)]
forall a. (a -> Bool) -> [a] -> [a]
filter (UnitId, Bool) -> Bool
forall a b. (a, b) -> b
snd [(UnitId, Bool)]
dependent_pkgs
else Set UnitId
forall a. Set a
S.empty,
imp_trust_own_pkg :: Bool
imp_trust_own_pkg = Bool
pkg_trust_req
}
warnUnqualifiedImport :: ImportDecl GhcPs -> ModIface -> RnM ()
warnUnqualifiedImport :: ImportDecl GhcPs -> ModIface -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnqualifiedImport ImportDecl GhcPs
decl ModIface
iface =
WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnCompatUnqualifiedImports
(IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when Bool
bad_import
(IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnCompatUnqualifiedImports) SrcSpan
loc SDoc
warning
where
mod :: Module
mod = ModIface -> Module
forall (phase :: ModIfacePhase). ModIface_ phase -> Module
mi_module ModIface
iface
loc :: SrcSpan
loc = GenLocated SrcSpanAnnA ModuleName -> SrcSpan
forall a e. GenLocated (SrcSpanAnn' a) e -> SrcSpan
getLocA (GenLocated SrcSpanAnnA ModuleName -> SrcSpan)
-> GenLocated SrcSpanAnnA ModuleName -> SrcSpan
forall a b. (a -> b) -> a -> b
$ ImportDecl GhcPs -> XRec GhcPs ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName ImportDecl GhcPs
decl
is_qual :: Bool
is_qual = ImportDeclQualifiedStyle -> Bool
isImportDeclQualified (ImportDecl GhcPs -> ImportDeclQualifiedStyle
forall pass. ImportDecl pass -> ImportDeclQualifiedStyle
ideclQualified ImportDecl GhcPs
decl)
has_import_list :: Bool
has_import_list =
case ImportDecl GhcPs -> Maybe (Bool, XRec GhcPs [LIE GhcPs])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding ImportDecl GhcPs
decl of
Just (Bool
False, XRec GhcPs [LIE GhcPs]
_) -> Bool
True
Maybe (Bool, XRec GhcPs [LIE GhcPs])
_ -> Bool
False
bad_import :: Bool
bad_import =
Module
mod Module -> ModuleSet -> Bool
`elemModuleSet` ModuleSet
qualifiedMods
Bool -> Bool -> Bool
&& Bool -> Bool
not Bool
is_qual
Bool -> Bool -> Bool
&& Bool -> Bool
not Bool
has_import_list
warning :: SDoc
warning = [SDoc] -> SDoc
vcat
[ String -> SDoc
text String
"To ensure compatibility with future core libraries changes"
, String -> SDoc
text String
"imports to" SDoc -> SDoc -> SDoc
<+> GenLocated SrcSpanAnnA ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (ImportDecl GhcPs -> XRec GhcPs ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName ImportDecl GhcPs
decl) SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"should be"
, String -> SDoc
text String
"either qualified or have an explicit import list."
]
qualifiedMods :: ModuleSet
qualifiedMods = [Module] -> ModuleSet
mkModuleSet [ Module
dATA_LIST ]
warnRedundantSourceImport :: ModuleName -> SDoc
warnRedundantSourceImport :: ModuleName -> SDoc
warnRedundantSourceImport ModuleName
mod_name
= String -> SDoc
text String
"Unnecessary {-# SOURCE #-} in the import of module"
SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod_name)
extendGlobalRdrEnvRn :: [AvailInfo]
-> MiniFixityEnv
-> RnM (TcGblEnv, TcLclEnv)
extendGlobalRdrEnvRn :: [AvailInfo] -> MiniFixityEnv -> RnM (TcGblEnv, TcLclEnv)
extendGlobalRdrEnvRn [AvailInfo]
avails MiniFixityEnv
new_fixities
= do { (TcGblEnv
gbl_env, TcLclEnv
lcl_env) <- RnM (TcGblEnv, TcLclEnv)
forall gbl lcl. TcRnIf gbl lcl (gbl, lcl)
getEnvs
; ThStage
stage <- TcM ThStage
getStage
; Bool
isGHCi <- TcRnIf TcGblEnv TcLclEnv Bool
getIsGHCi
; let rdr_env :: GlobalRdrEnv
rdr_env = TcGblEnv -> GlobalRdrEnv
tcg_rdr_env TcGblEnv
gbl_env
fix_env :: FixityEnv
fix_env = TcGblEnv -> FixityEnv
tcg_fix_env TcGblEnv
gbl_env
th_bndrs :: ThBindEnv
th_bndrs = TcLclEnv -> ThBindEnv
tcl_th_bndrs TcLclEnv
lcl_env
th_lvl :: Int
th_lvl = ThStage -> Int
thLevel ThStage
stage
inBracket :: Bool
inBracket = ThStage -> Bool
isBrackStage ThStage
stage
lcl_env_TH :: TcLclEnv
lcl_env_TH = TcLclEnv
lcl_env { tcl_rdr :: LocalRdrEnv
tcl_rdr = LocalRdrEnv -> [OccName] -> LocalRdrEnv
delLocalRdrEnvList (TcLclEnv -> LocalRdrEnv
tcl_rdr TcLclEnv
lcl_env) [OccName]
new_occs }
lcl_env2 :: TcLclEnv
lcl_env2 | Bool
inBracket = TcLclEnv
lcl_env_TH
| Bool
otherwise = TcLclEnv
lcl_env
want_shadowing :: Bool
want_shadowing = Bool
isGHCi Bool -> Bool -> Bool
|| Bool
inBracket
rdr_env1 :: GlobalRdrEnv
rdr_env1 | Bool
want_shadowing = GlobalRdrEnv -> [GreName] -> GlobalRdrEnv
shadowNames GlobalRdrEnv
rdr_env [GreName]
new_names
| Bool
otherwise = GlobalRdrEnv
rdr_env
lcl_env3 :: TcLclEnv
lcl_env3 = TcLclEnv
lcl_env2 { tcl_th_bndrs :: ThBindEnv
tcl_th_bndrs = ThBindEnv -> [(Name, (TopLevelFlag, Int))] -> ThBindEnv
forall a. NameEnv a -> [(Name, a)] -> NameEnv a
extendNameEnvList ThBindEnv
th_bndrs
[ ( GreName -> Name
greNameMangledName GreName
n
, (TopLevelFlag
TopLevel, Int
th_lvl) )
| GreName
n <- [GreName]
new_names ] }
; GlobalRdrEnv
rdr_env2 <- (GlobalRdrEnv
-> GlobalRdrElt -> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv)
-> GlobalRdrEnv
-> [GlobalRdrElt]
-> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv
forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldlM GlobalRdrEnv
-> GlobalRdrElt -> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv
add_gre GlobalRdrEnv
rdr_env1 [GlobalRdrElt]
new_gres
; let fix_env' :: FixityEnv
fix_env' = (FixityEnv -> GlobalRdrElt -> FixityEnv)
-> FixityEnv -> [GlobalRdrElt] -> FixityEnv
forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
foldl' FixityEnv -> GlobalRdrElt -> FixityEnv
extend_fix_env FixityEnv
fix_env [GlobalRdrElt]
new_gres
gbl_env' :: TcGblEnv
gbl_env' = TcGblEnv
gbl_env { tcg_rdr_env :: GlobalRdrEnv
tcg_rdr_env = GlobalRdrEnv
rdr_env2, tcg_fix_env :: FixityEnv
tcg_fix_env = FixityEnv
fix_env' }
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"extendGlobalRdrEnvRn 2" (Bool -> GlobalRdrEnv -> SDoc
pprGlobalRdrEnv Bool
True GlobalRdrEnv
rdr_env2)
; (TcGblEnv, TcLclEnv) -> RnM (TcGblEnv, TcLclEnv)
forall (m :: * -> *) a. Monad m => a -> m a
return (TcGblEnv
gbl_env', TcLclEnv
lcl_env3) }
where
new_names :: [GreName]
new_names = (AvailInfo -> [GreName]) -> [AvailInfo] -> [GreName]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap AvailInfo -> [GreName]
availGreNames [AvailInfo]
avails
new_occs :: [OccName]
new_occs = (GreName -> OccName) -> [GreName] -> [OccName]
forall a b. (a -> b) -> [a] -> [b]
map GreName -> OccName
forall name. HasOccName name => name -> OccName
occName [GreName]
new_names
extend_fix_env :: FixityEnv -> GlobalRdrElt -> FixityEnv
extend_fix_env FixityEnv
fix_env GlobalRdrElt
gre
| Just (L SrcSpan
_ Fixity
fi) <- MiniFixityEnv -> FastString -> Maybe (Located Fixity)
forall a. FastStringEnv a -> FastString -> Maybe a
lookupFsEnv MiniFixityEnv
new_fixities (OccName -> FastString
occNameFS OccName
occ)
= FixityEnv -> Name -> FixItem -> FixityEnv
forall a. NameEnv a -> Name -> a -> NameEnv a
extendNameEnv FixityEnv
fix_env Name
name (OccName -> Fixity -> FixItem
FixItem OccName
occ Fixity
fi)
| Bool
otherwise
= FixityEnv
fix_env
where
name :: Name
name = GlobalRdrElt -> Name
greMangledName GlobalRdrElt
gre
occ :: OccName
occ = GlobalRdrElt -> OccName
greOccName GlobalRdrElt
gre
new_gres :: [GlobalRdrElt]
new_gres :: [GlobalRdrElt]
new_gres = (AvailInfo -> [GlobalRdrElt]) -> [AvailInfo] -> [GlobalRdrElt]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap AvailInfo -> [GlobalRdrElt]
localGREsFromAvail [AvailInfo]
avails
add_gre :: GlobalRdrEnv -> GlobalRdrElt -> RnM GlobalRdrEnv
add_gre :: GlobalRdrEnv
-> GlobalRdrElt -> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv
add_gre GlobalRdrEnv
env GlobalRdrElt
gre
| Bool -> Bool
not ([GlobalRdrElt] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [GlobalRdrElt]
dups)
= do { [GlobalRdrElt] -> IOEnv (Env TcGblEnv TcLclEnv) ()
addDupDeclErr (GlobalRdrElt
gre GlobalRdrElt -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. a -> [a] -> [a]
: [GlobalRdrElt]
dups); GlobalRdrEnv -> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv
forall (m :: * -> *) a. Monad m => a -> m a
return GlobalRdrEnv
env }
| Bool
otherwise
= GlobalRdrEnv -> IOEnv (Env TcGblEnv TcLclEnv) GlobalRdrEnv
forall (m :: * -> *) a. Monad m => a -> m a
return (GlobalRdrEnv -> GlobalRdrElt -> GlobalRdrEnv
extendGlobalRdrEnv GlobalRdrEnv
env GlobalRdrElt
gre)
where
dups :: [GlobalRdrElt]
dups = (GlobalRdrElt -> Bool) -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. (a -> Bool) -> [a] -> [a]
filter GlobalRdrElt -> Bool
isDupGRE (GlobalRdrEnv -> OccName -> [GlobalRdrElt]
lookupGlobalRdrEnv GlobalRdrEnv
env (GlobalRdrElt -> OccName
greOccName GlobalRdrElt
gre))
isDupGRE :: GlobalRdrElt -> Bool
isDupGRE GlobalRdrElt
gre' = GlobalRdrElt -> Bool
isLocalGRE GlobalRdrElt
gre' Bool -> Bool -> Bool
&& Bool -> Bool
not (GlobalRdrElt -> Bool
isAllowedDup GlobalRdrElt
gre')
isAllowedDup :: GlobalRdrElt -> Bool
isAllowedDup GlobalRdrElt
gre' =
case (GlobalRdrElt -> Bool
isRecFldGRE GlobalRdrElt
gre, GlobalRdrElt -> Bool
isRecFldGRE GlobalRdrElt
gre') of
(Bool
True, Bool
True) -> GlobalRdrElt -> GreName
gre_name GlobalRdrElt
gre GreName -> GreName -> Bool
forall a. Eq a => a -> a -> Bool
/= GlobalRdrElt -> GreName
gre_name GlobalRdrElt
gre'
Bool -> Bool -> Bool
&& GlobalRdrElt -> Bool
isDuplicateRecFldGRE GlobalRdrElt
gre'
(Bool
True, Bool
False) -> GlobalRdrElt -> Bool
isNoFieldSelectorGRE GlobalRdrElt
gre
(Bool
False, Bool
True) -> GlobalRdrElt -> Bool
isNoFieldSelectorGRE GlobalRdrElt
gre'
(Bool
False, Bool
False) -> Bool
False
getLocalNonValBinders :: MiniFixityEnv -> HsGroup GhcPs
-> RnM ((TcGblEnv, TcLclEnv), NameSet)
getLocalNonValBinders :: MiniFixityEnv -> HsGroup GhcPs -> RnM ((TcGblEnv, TcLclEnv), Defs)
getLocalNonValBinders MiniFixityEnv
fixity_env
(HsGroup { hs_valds :: forall p. HsGroup p -> HsValBinds p
hs_valds = HsValBinds GhcPs
binds,
hs_tyclds :: forall p. HsGroup p -> [TyClGroup p]
hs_tyclds = [TyClGroup GhcPs]
tycl_decls,
hs_fords :: forall p. HsGroup p -> [LForeignDecl p]
hs_fords = [LForeignDecl GhcPs]
foreign_decls })
= do {
; let inst_decls :: [GenLocated SrcSpanAnnA (InstDecl GhcPs)]
inst_decls = [TyClGroup GhcPs]
tycl_decls [TyClGroup GhcPs]
-> (TyClGroup GhcPs -> [GenLocated SrcSpanAnnA (InstDecl GhcPs)])
-> [GenLocated SrcSpanAnnA (InstDecl GhcPs)]
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TyClGroup GhcPs -> [GenLocated SrcSpanAnnA (InstDecl GhcPs)]
forall pass. TyClGroup pass -> [LInstDecl pass]
group_instds
; DuplicateRecordFields
dup_fields_ok <- DynFlags -> DuplicateRecordFields
xopt_DuplicateRecordFields (DynFlags -> DuplicateRecordFields)
-> IOEnv (Env TcGblEnv TcLclEnv) DynFlags
-> IOEnv (Env TcGblEnv TcLclEnv) DuplicateRecordFields
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IOEnv (Env TcGblEnv TcLclEnv) DynFlags
forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
; FieldSelectors
has_sel <- DynFlags -> FieldSelectors
xopt_FieldSelectors (DynFlags -> FieldSelectors)
-> IOEnv (Env TcGblEnv TcLclEnv) DynFlags
-> IOEnv (Env TcGblEnv TcLclEnv) FieldSelectors
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IOEnv (Env TcGblEnv TcLclEnv) DynFlags
forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
; ([AvailInfo]
tc_avails, [[(Name, [FieldLabel])]]
tc_fldss)
<- ([(AvailInfo, [(Name, [FieldLabel])])]
-> ([AvailInfo], [[(Name, [FieldLabel])]]))
-> IOEnv
(Env TcGblEnv TcLclEnv) [(AvailInfo, [(Name, [FieldLabel])])]
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [[(Name, [FieldLabel])]])
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap [(AvailInfo, [(Name, [FieldLabel])])]
-> ([AvailInfo], [[(Name, [FieldLabel])]])
forall a b. [(a, b)] -> ([a], [b])
unzip (IOEnv
(Env TcGblEnv TcLclEnv) [(AvailInfo, [(Name, [FieldLabel])])]
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [[(Name, [FieldLabel])]]))
-> IOEnv
(Env TcGblEnv TcLclEnv) [(AvailInfo, [(Name, [FieldLabel])])]
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [[(Name, [FieldLabel])]])
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (TyClDecl GhcPs)
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])]))
-> [GenLocated SrcSpanAnnA (TyClDecl GhcPs)]
-> IOEnv
(Env TcGblEnv TcLclEnv) [(AvailInfo, [(Name, [FieldLabel])])]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (DuplicateRecordFields
-> FieldSelectors
-> LTyClDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_tc DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel)
([TyClGroup GhcPs] -> [LTyClDecl GhcPs]
forall pass. [TyClGroup pass] -> [LTyClDecl pass]
tyClGroupTyClDecls [TyClGroup GhcPs]
tycl_decls)
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"getLocalNonValBinders 1" ([AvailInfo] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [AvailInfo]
tc_avails)
; (TcGblEnv, TcLclEnv)
envs <- [AvailInfo] -> MiniFixityEnv -> RnM (TcGblEnv, TcLclEnv)
extendGlobalRdrEnvRn [AvailInfo]
tc_avails MiniFixityEnv
fixity_env
; (TcGblEnv, TcLclEnv)
-> RnM ((TcGblEnv, TcLclEnv), Defs)
-> RnM ((TcGblEnv, TcLclEnv), Defs)
forall gbl' lcl' a gbl lcl.
(gbl', lcl') -> TcRnIf gbl' lcl' a -> TcRnIf gbl lcl a
setEnvs (TcGblEnv, TcLclEnv)
envs (RnM ((TcGblEnv, TcLclEnv), Defs)
-> RnM ((TcGblEnv, TcLclEnv), Defs))
-> RnM ((TcGblEnv, TcLclEnv), Defs)
-> RnM ((TcGblEnv, TcLclEnv), Defs)
forall a b. (a -> b) -> a -> b
$ do {
; ([[AvailInfo]]
nti_availss, [[(Name, [FieldLabel])]]
nti_fldss) <- (GenLocated SrcSpanAnnA (InstDecl GhcPs)
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])]))
-> [GenLocated SrcSpanAnnA (InstDecl GhcPs)]
-> IOEnv
(Env TcGblEnv TcLclEnv) ([[AvailInfo]], [[(Name, [FieldLabel])]])
forall (m :: * -> *) a b c.
Applicative m =>
(a -> m (b, c)) -> [a] -> m ([b], [c])
mapAndUnzipM (DuplicateRecordFields
-> FieldSelectors
-> LInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
new_assoc DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel)
[GenLocated SrcSpanAnnA (InstDecl GhcPs)]
inst_decls
; Bool
is_boot <- TcRnIf TcGblEnv TcLclEnv Bool
tcIsHsBootOrSig
; let val_bndrs :: [GenLocated SrcSpanAnnN RdrName]
val_bndrs | Bool
is_boot = [GenLocated SrcSpanAnnN RdrName]
hs_boot_sig_bndrs
| Bool
otherwise = [GenLocated SrcSpanAnnN RdrName]
for_hs_bndrs
; [AvailInfo]
val_avails <- (GenLocated SrcSpanAnnN RdrName
-> IOEnv (Env TcGblEnv TcLclEnv) AvailInfo)
-> [GenLocated SrcSpanAnnN RdrName]
-> IOEnv (Env TcGblEnv TcLclEnv) [AvailInfo]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM GenLocated SrcSpanAnnN RdrName
-> IOEnv (Env TcGblEnv TcLclEnv) AvailInfo
new_simple [GenLocated SrcSpanAnnN RdrName]
val_bndrs
; let avails :: [AvailInfo]
avails = [[AvailInfo]] -> [AvailInfo]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[AvailInfo]]
nti_availss [AvailInfo] -> [AvailInfo] -> [AvailInfo]
forall a. [a] -> [a] -> [a]
++ [AvailInfo]
val_avails
new_bndrs :: Defs
new_bndrs = [AvailInfo] -> Defs
availsToNameSetWithSelectors [AvailInfo]
avails Defs -> Defs -> Defs
`unionNameSet`
[AvailInfo] -> Defs
availsToNameSetWithSelectors [AvailInfo]
tc_avails
flds :: [(Name, [FieldLabel])]
flds = [[(Name, [FieldLabel])]] -> [(Name, [FieldLabel])]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[(Name, [FieldLabel])]]
nti_fldss [(Name, [FieldLabel])]
-> [(Name, [FieldLabel])] -> [(Name, [FieldLabel])]
forall a. [a] -> [a] -> [a]
++ [[(Name, [FieldLabel])]] -> [(Name, [FieldLabel])]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[(Name, [FieldLabel])]]
tc_fldss
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"getLocalNonValBinders 2" ([AvailInfo] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [AvailInfo]
avails)
; (TcGblEnv
tcg_env, TcLclEnv
tcl_env) <- [AvailInfo] -> MiniFixityEnv -> RnM (TcGblEnv, TcLclEnv)
extendGlobalRdrEnvRn [AvailInfo]
avails MiniFixityEnv
fixity_env
; let field_env :: NameEnv [FieldLabel]
field_env = NameEnv [FieldLabel]
-> [(Name, [FieldLabel])] -> NameEnv [FieldLabel]
forall a. NameEnv a -> [(Name, a)] -> NameEnv a
extendNameEnvList (TcGblEnv -> NameEnv [FieldLabel]
tcg_field_env TcGblEnv
tcg_env) [(Name, [FieldLabel])]
flds
envs :: (TcGblEnv, TcLclEnv)
envs = (TcGblEnv
tcg_env { tcg_field_env :: NameEnv [FieldLabel]
tcg_field_env = NameEnv [FieldLabel]
field_env }, TcLclEnv
tcl_env)
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"getLocalNonValBinders 3" ([SDoc] -> SDoc
vcat [[(Name, [FieldLabel])] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [(Name, [FieldLabel])]
flds, NameEnv [FieldLabel] -> SDoc
forall a. Outputable a => a -> SDoc
ppr NameEnv [FieldLabel]
field_env])
; ((TcGblEnv, TcLclEnv), Defs) -> RnM ((TcGblEnv, TcLclEnv), Defs)
forall (m :: * -> *) a. Monad m => a -> m a
return ((TcGblEnv, TcLclEnv)
envs, Defs
new_bndrs) } }
where
ValBinds XValBinds GhcPs GhcPs
_ LHsBindsLR GhcPs GhcPs
_val_binds [LSig GhcPs]
val_sigs = HsValBinds GhcPs
binds
for_hs_bndrs :: [LocatedN RdrName]
for_hs_bndrs :: [GenLocated SrcSpanAnnN RdrName]
for_hs_bndrs = [LForeignDecl GhcPs] -> [LIdP GhcPs]
forall (p :: Pass) a.
(UnXRec (GhcPass p), IsSrcSpanAnn p a) =>
[LForeignDecl (GhcPass p)] -> [LIdP (GhcPass p)]
hsForeignDeclsBinders [LForeignDecl GhcPs]
foreign_decls
hs_boot_sig_bndrs :: [GenLocated SrcSpanAnnN RdrName]
hs_boot_sig_bndrs = [ SrcSpanAnnN -> RdrName -> GenLocated SrcSpanAnnN RdrName
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnN
forall a ann. SrcSpanAnn' a -> SrcAnn ann
l2l SrcSpanAnnA
decl_loc) (GenLocated SrcSpanAnnN RdrName -> RdrName
forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnN RdrName
n)
| L SrcSpanAnnA
decl_loc (TypeSig XTypeSig GhcPs
_ [LIdP GhcPs]
ns LHsSigWcType GhcPs
_) <- [GenLocated SrcSpanAnnA (Sig GhcPs)]
[LSig GhcPs]
val_sigs, GenLocated SrcSpanAnnN RdrName
n <- [GenLocated SrcSpanAnnN RdrName]
[LIdP GhcPs]
ns]
new_simple :: LocatedN RdrName -> RnM AvailInfo
new_simple :: GenLocated SrcSpanAnnN RdrName
-> IOEnv (Env TcGblEnv TcLclEnv) AvailInfo
new_simple GenLocated SrcSpanAnnN RdrName
rdr_name = do{ Name
nm <- GenLocated SrcSpanAnnN RdrName -> RnM Name
newTopSrcBinder GenLocated SrcSpanAnnN RdrName
rdr_name
; AvailInfo -> IOEnv (Env TcGblEnv TcLclEnv) AvailInfo
forall (m :: * -> *) a. Monad m => a -> m a
return (Name -> AvailInfo
avail Name
nm) }
new_tc :: DuplicateRecordFields -> FieldSelectors -> LTyClDecl GhcPs
-> RnM (AvailInfo, [(Name, [FieldLabel])])
new_tc :: DuplicateRecordFields
-> FieldSelectors
-> LTyClDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_tc DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel LTyClDecl GhcPs
tc_decl
= do { let ([LocatedA (IdP GhcPs)]
bndrs, [LFieldOcc GhcPs]
flds) = GenLocated SrcSpanAnnA (TyClDecl GhcPs)
-> ([LocatedA (IdP GhcPs)], [LFieldOcc GhcPs])
forall (p :: Pass).
IsPass p =>
LocatedA (TyClDecl (GhcPass p))
-> ([LocatedA (IdP (GhcPass p))], [LFieldOcc (GhcPass p)])
hsLTyClDeclBinders GenLocated SrcSpanAnnA (TyClDecl GhcPs)
LTyClDecl GhcPs
tc_decl
; names :: [Name]
names@(Name
main_name : [Name]
sub_names) <- (LocatedAn AnnListItem RdrName -> RnM Name)
-> [LocatedAn AnnListItem RdrName]
-> IOEnv (Env TcGblEnv TcLclEnv) [Name]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (GenLocated SrcSpanAnnN RdrName -> RnM Name
newTopSrcBinder (GenLocated SrcSpanAnnN RdrName -> RnM Name)
-> (LocatedAn AnnListItem RdrName
-> GenLocated SrcSpanAnnN RdrName)
-> LocatedAn AnnListItem RdrName
-> RnM Name
forall b c a. (b -> c) -> (a -> b) -> a -> c
. LocatedAn AnnListItem RdrName -> GenLocated SrcSpanAnnN RdrName
forall a1 a2. LocatedAn a1 a2 -> LocatedN a2
l2n) [LocatedAn AnnListItem RdrName]
[LocatedA (IdP GhcPs)]
bndrs
; [FieldLabel]
flds' <- (GenLocated SrcSpan (FieldOcc GhcPs)
-> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel)
-> [GenLocated SrcSpan (FieldOcc GhcPs)]
-> IOEnv (Env TcGblEnv TcLclEnv) [FieldLabel]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (DuplicateRecordFields
-> FieldSelectors
-> [Name]
-> LFieldOcc GhcPs
-> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
newRecordSelector DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel [Name]
sub_names) [GenLocated SrcSpan (FieldOcc GhcPs)]
[LFieldOcc GhcPs]
flds
; let fld_env :: [(Name, [FieldLabel])]
fld_env = case GenLocated SrcSpanAnnA (TyClDecl GhcPs) -> TyClDecl GhcPs
forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnA (TyClDecl GhcPs)
LTyClDecl GhcPs
tc_decl of
DataDecl { tcdDataDefn :: forall pass. TyClDecl pass -> HsDataDefn pass
tcdDataDefn = HsDataDefn GhcPs
d } -> HsDataDefn GhcPs
-> [Name] -> [FieldLabel] -> [(Name, [FieldLabel])]
mk_fld_env HsDataDefn GhcPs
d [Name]
names [FieldLabel]
flds'
TyClDecl GhcPs
_ -> []
; (AvailInfo, [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
forall (m :: * -> *) a. Monad m => a -> m a
return (Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC Name
main_name [Name]
names [FieldLabel]
flds', [(Name, [FieldLabel])]
fld_env) }
mk_fld_env :: HsDataDefn GhcPs -> [Name] -> [FieldLabel]
-> [(Name, [FieldLabel])]
mk_fld_env :: HsDataDefn GhcPs
-> [Name] -> [FieldLabel] -> [(Name, [FieldLabel])]
mk_fld_env HsDataDefn GhcPs
d [Name]
names [FieldLabel]
flds = (GenLocated SrcSpanAnnA (ConDecl GhcPs) -> [(Name, [FieldLabel])])
-> [GenLocated SrcSpanAnnA (ConDecl GhcPs)]
-> [(Name, [FieldLabel])]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap GenLocated SrcSpanAnnA (ConDecl GhcPs) -> [(Name, [FieldLabel])]
find_con_flds (HsDataDefn GhcPs -> [LConDecl GhcPs]
forall pass. HsDataDefn pass -> [LConDecl pass]
dd_cons HsDataDefn GhcPs
d)
where
find_con_flds :: GenLocated SrcSpanAnnA (ConDecl GhcPs) -> [(Name, [FieldLabel])]
find_con_flds (L SrcSpanAnnA
_ (ConDeclH98 { con_name :: forall pass. ConDecl pass -> LIdP pass
con_name = L SrcSpanAnnN
_ RdrName
rdr
, con_args :: forall pass. ConDecl pass -> HsConDeclH98Details pass
con_args = RecCon XRec GhcPs [LConDeclField GhcPs]
cdflds }))
= [( RdrName -> Name
find_con_name RdrName
rdr
, (GenLocated SrcSpanAnnA (ConDeclField GhcPs) -> [FieldLabel])
-> [GenLocated SrcSpanAnnA (ConDeclField GhcPs)] -> [FieldLabel]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap GenLocated SrcSpanAnnA (ConDeclField GhcPs) -> [FieldLabel]
find_con_decl_flds (GenLocated
SrcSpanAnnL [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
-> [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
forall l e. GenLocated l e -> e
unLoc GenLocated
SrcSpanAnnL [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
XRec GhcPs [LConDeclField GhcPs]
cdflds) )]
find_con_flds (L SrcSpanAnnA
_ (ConDeclGADT { con_names :: forall pass. ConDecl pass -> [LIdP pass]
con_names = [LIdP GhcPs]
rdrs
, con_g_args :: forall pass. ConDecl pass -> HsConDeclGADTDetails pass
con_g_args = RecConGADT XRec GhcPs [LConDeclField GhcPs]
flds }))
= [ ( RdrName -> Name
find_con_name RdrName
rdr
, (GenLocated SrcSpanAnnA (ConDeclField GhcPs) -> [FieldLabel])
-> [GenLocated SrcSpanAnnA (ConDeclField GhcPs)] -> [FieldLabel]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap GenLocated SrcSpanAnnA (ConDeclField GhcPs) -> [FieldLabel]
find_con_decl_flds (GenLocated
SrcSpanAnnL [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
-> [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
forall l e. GenLocated l e -> e
unLoc GenLocated
SrcSpanAnnL [GenLocated SrcSpanAnnA (ConDeclField GhcPs)]
XRec GhcPs [LConDeclField GhcPs]
flds))
| L SrcSpanAnnN
_ RdrName
rdr <- [GenLocated SrcSpanAnnN RdrName]
[LIdP GhcPs]
rdrs ]
find_con_flds GenLocated SrcSpanAnnA (ConDecl GhcPs)
_ = []
find_con_name :: RdrName -> Name
find_con_name RdrName
rdr
= String -> Maybe Name -> Name
forall a. HasCallStack => String -> Maybe a -> a
expectJust String
"getLocalNonValBinders/find_con_name" (Maybe Name -> Name) -> Maybe Name -> Name
forall a b. (a -> b) -> a -> b
$
(Name -> Bool) -> [Name] -> Maybe Name
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find (\ Name
n -> Name -> OccName
nameOccName Name
n OccName -> OccName -> Bool
forall a. Eq a => a -> a -> Bool
== RdrName -> OccName
rdrNameOcc RdrName
rdr) [Name]
names
find_con_decl_flds :: GenLocated SrcSpanAnnA (ConDeclField GhcPs) -> [FieldLabel]
find_con_decl_flds (L SrcSpanAnnA
_ ConDeclField GhcPs
x)
= (GenLocated SrcSpan (FieldOcc GhcPs) -> FieldLabel)
-> [GenLocated SrcSpan (FieldOcc GhcPs)] -> [FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpan (FieldOcc GhcPs) -> FieldLabel
find_con_decl_fld (ConDeclField GhcPs -> [LFieldOcc GhcPs]
forall pass. ConDeclField pass -> [LFieldOcc pass]
cd_fld_names ConDeclField GhcPs
x)
find_con_decl_fld :: GenLocated SrcSpan (FieldOcc GhcPs) -> FieldLabel
find_con_decl_fld (L SrcSpan
_ (FieldOcc XCFieldOcc GhcPs
_ (L SrcSpanAnnN
_ RdrName
rdr)))
= String -> Maybe FieldLabel -> FieldLabel
forall a. HasCallStack => String -> Maybe a -> a
expectJust String
"getLocalNonValBinders/find_con_decl_fld" (Maybe FieldLabel -> FieldLabel) -> Maybe FieldLabel -> FieldLabel
forall a b. (a -> b) -> a -> b
$
(FieldLabel -> Bool) -> [FieldLabel] -> Maybe FieldLabel
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find (\ FieldLabel
fl -> FieldLabel -> FastString
flLabel FieldLabel
fl FastString -> FastString -> Bool
forall a. Eq a => a -> a -> Bool
== FastString
lbl) [FieldLabel]
flds
where lbl :: FastString
lbl = OccName -> FastString
occNameFS (RdrName -> OccName
rdrNameOcc RdrName
rdr)
new_assoc :: DuplicateRecordFields -> FieldSelectors -> LInstDecl GhcPs
-> RnM ([AvailInfo], [(Name, [FieldLabel])])
new_assoc :: DuplicateRecordFields
-> FieldSelectors
-> LInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
new_assoc DuplicateRecordFields
_ FieldSelectors
_ (L SrcSpanAnnA
_ (TyFamInstD {})) = ([AvailInfo], [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
forall (m :: * -> *) a. Monad m => a -> m a
return ([], [])
new_assoc DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel (L SrcSpanAnnA
_ (DataFamInstD XDataFamInstD GhcPs
_ DataFamInstDecl GhcPs
d))
= do { (AvailInfo
avail, [(Name, [FieldLabel])]
flds) <- DuplicateRecordFields
-> FieldSelectors
-> Maybe Name
-> DataFamInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_di DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel Maybe Name
forall a. Maybe a
Nothing DataFamInstDecl GhcPs
d
; ([AvailInfo], [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
forall (m :: * -> *) a. Monad m => a -> m a
return ([AvailInfo
avail], [(Name, [FieldLabel])]
flds) }
new_assoc DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel (L SrcSpanAnnA
_ (ClsInstD XClsInstD GhcPs
_ (ClsInstDecl { cid_poly_ty :: forall pass. ClsInstDecl pass -> LHsSigType pass
cid_poly_ty = LHsSigType GhcPs
inst_ty
, cid_datafam_insts :: forall pass. ClsInstDecl pass -> [LDataFamInstDecl pass]
cid_datafam_insts = [LDataFamInstDecl GhcPs]
adts })))
= do
Maybe Name
mb_cls_nm <- MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
forall (m :: * -> *) a. MaybeT m a -> m (Maybe a)
runMaybeT (MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name))
-> MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
forall a b. (a -> b) -> a -> b
$ do
L SrcSpanAnnN
loc RdrName
cls_rdr <- IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName))
-> MaybeT
(IOEnv (Env TcGblEnv TcLclEnv)) (GenLocated SrcSpanAnnN RdrName)
forall (m :: * -> *) a. m (Maybe a) -> MaybeT m a
MaybeT (IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName))
-> MaybeT
(IOEnv (Env TcGblEnv TcLclEnv)) (GenLocated SrcSpanAnnN RdrName))
-> IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName))
-> MaybeT
(IOEnv (Env TcGblEnv TcLclEnv)) (GenLocated SrcSpanAnnN RdrName)
forall a b. (a -> b) -> a -> b
$ Maybe (GenLocated SrcSpanAnnN RdrName)
-> IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName))
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Maybe (GenLocated SrcSpanAnnN RdrName)
-> IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName)))
-> Maybe (GenLocated SrcSpanAnnN RdrName)
-> IOEnv
(Env TcGblEnv TcLclEnv) (Maybe (GenLocated SrcSpanAnnN RdrName))
forall a b. (a -> b) -> a -> b
$ LHsSigType GhcPs -> Maybe (LocatedN (IdP GhcPs))
forall (p :: Pass).
(Anno (IdGhcP p) ~ SrcSpanAnnN) =>
LHsSigType (GhcPass p) -> Maybe (LocatedN (IdP (GhcPass p)))
getLHsInstDeclClass_maybe LHsSigType GhcPs
inst_ty
IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name
forall (m :: * -> *) a. m (Maybe a) -> MaybeT m a
MaybeT (IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name)
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> MaybeT (IOEnv (Env TcGblEnv TcLclEnv)) Name
forall a b. (a -> b) -> a -> b
$ SrcSpan
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
forall a. SrcSpan -> TcRn a -> TcRn a
setSrcSpan (SrcSpanAnnN -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnN
loc) (IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name))
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
-> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
forall a b. (a -> b) -> a -> b
$ RdrName -> IOEnv (Env TcGblEnv TcLclEnv) (Maybe Name)
lookupGlobalOccRn_maybe RdrName
cls_rdr
case Maybe Name
mb_cls_nm of
Maybe Name
Nothing -> ([AvailInfo], [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
forall (f :: * -> *) a. Applicative f => a -> f a
pure ([], [])
Just Name
cls_nm -> do
([AvailInfo]
avails, [[(Name, [FieldLabel])]]
fldss)
<- (GenLocated SrcSpanAnnA (DataFamInstDecl GhcPs)
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])]))
-> [GenLocated SrcSpanAnnA (DataFamInstDecl GhcPs)]
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [[(Name, [FieldLabel])]])
forall (m :: * -> *) a b c.
Applicative m =>
(a -> m (b, c)) -> [a] -> m ([b], [c])
mapAndUnzipM (DuplicateRecordFields
-> FieldSelectors
-> Maybe Name
-> LDataFamInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_loc_di DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel (Name -> Maybe Name
forall a. a -> Maybe a
Just Name
cls_nm)) [GenLocated SrcSpanAnnA (DataFamInstDecl GhcPs)]
[LDataFamInstDecl GhcPs]
adts
([AvailInfo], [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) ([AvailInfo], [(Name, [FieldLabel])])
forall (f :: * -> *) a. Applicative f => a -> f a
pure ([AvailInfo]
avails, [[(Name, [FieldLabel])]] -> [(Name, [FieldLabel])]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[(Name, [FieldLabel])]]
fldss)
new_di :: DuplicateRecordFields -> FieldSelectors -> Maybe Name -> DataFamInstDecl GhcPs
-> RnM (AvailInfo, [(Name, [FieldLabel])])
new_di :: DuplicateRecordFields
-> FieldSelectors
-> Maybe Name
-> DataFamInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_di DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel Maybe Name
mb_cls dfid :: DataFamInstDecl GhcPs
dfid@(DataFamInstDecl { dfid_eqn :: forall pass. DataFamInstDecl pass -> FamEqn pass (HsDataDefn pass)
dfid_eqn = FamEqn GhcPs (HsDataDefn GhcPs)
ti_decl })
= do { GenLocated SrcSpanAnnN Name
main_name <- Maybe Name
-> GenLocated SrcSpanAnnN RdrName
-> RnM (GenLocated SrcSpanAnnN Name)
lookupFamInstName Maybe Name
mb_cls (FamEqn GhcPs (HsDataDefn GhcPs) -> LIdP GhcPs
forall pass rhs. FamEqn pass rhs -> LIdP pass
feqn_tycon FamEqn GhcPs (HsDataDefn GhcPs)
ti_decl)
; let ([LocatedA (IdP GhcPs)]
bndrs, [LFieldOcc GhcPs]
flds) = DataFamInstDecl GhcPs
-> ([LocatedA (IdP GhcPs)], [LFieldOcc GhcPs])
forall (p :: Pass).
IsPass p =>
DataFamInstDecl (GhcPass p)
-> ([LocatedA (IdP (GhcPass p))], [LFieldOcc (GhcPass p)])
hsDataFamInstBinders DataFamInstDecl GhcPs
dfid
; [Name]
sub_names <- (LocatedAn AnnListItem RdrName -> RnM Name)
-> [LocatedAn AnnListItem RdrName]
-> IOEnv (Env TcGblEnv TcLclEnv) [Name]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (GenLocated SrcSpanAnnN RdrName -> RnM Name
newTopSrcBinder (GenLocated SrcSpanAnnN RdrName -> RnM Name)
-> (LocatedAn AnnListItem RdrName
-> GenLocated SrcSpanAnnN RdrName)
-> LocatedAn AnnListItem RdrName
-> RnM Name
forall b c a. (b -> c) -> (a -> b) -> a -> c
.LocatedAn AnnListItem RdrName -> GenLocated SrcSpanAnnN RdrName
forall a1 a2. LocatedAn a1 a2 -> LocatedN a2
l2n) [LocatedAn AnnListItem RdrName]
[LocatedA (IdP GhcPs)]
bndrs
; [FieldLabel]
flds' <- (GenLocated SrcSpan (FieldOcc GhcPs)
-> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel)
-> [GenLocated SrcSpan (FieldOcc GhcPs)]
-> IOEnv (Env TcGblEnv TcLclEnv) [FieldLabel]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (DuplicateRecordFields
-> FieldSelectors
-> [Name]
-> LFieldOcc GhcPs
-> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
newRecordSelector DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel [Name]
sub_names) [GenLocated SrcSpan (FieldOcc GhcPs)]
[LFieldOcc GhcPs]
flds
; let avail :: AvailInfo
avail = Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC (GenLocated SrcSpanAnnN Name -> Name
forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnN Name
main_name) [Name]
sub_names [FieldLabel]
flds'
fld_env :: [(Name, [FieldLabel])]
fld_env = HsDataDefn GhcPs
-> [Name] -> [FieldLabel] -> [(Name, [FieldLabel])]
mk_fld_env (FamEqn GhcPs (HsDataDefn GhcPs) -> HsDataDefn GhcPs
forall pass rhs. FamEqn pass rhs -> rhs
feqn_rhs FamEqn GhcPs (HsDataDefn GhcPs)
ti_decl) [Name]
sub_names [FieldLabel]
flds'
; (AvailInfo, [(Name, [FieldLabel])])
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
forall (m :: * -> *) a. Monad m => a -> m a
return (AvailInfo
avail, [(Name, [FieldLabel])]
fld_env) }
new_loc_di :: DuplicateRecordFields -> FieldSelectors -> Maybe Name -> LDataFamInstDecl GhcPs
-> RnM (AvailInfo, [(Name, [FieldLabel])])
new_loc_di :: DuplicateRecordFields
-> FieldSelectors
-> Maybe Name
-> LDataFamInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_loc_di DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel Maybe Name
mb_cls (L SrcSpanAnnA
_ DataFamInstDecl GhcPs
d) = DuplicateRecordFields
-> FieldSelectors
-> Maybe Name
-> DataFamInstDecl GhcPs
-> IOEnv
(Env TcGblEnv TcLclEnv) (AvailInfo, [(Name, [FieldLabel])])
new_di DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel Maybe Name
mb_cls DataFamInstDecl GhcPs
d
newRecordSelector :: DuplicateRecordFields -> FieldSelectors -> [Name] -> LFieldOcc GhcPs -> RnM FieldLabel
newRecordSelector :: DuplicateRecordFields
-> FieldSelectors
-> [Name]
-> LFieldOcc GhcPs
-> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
newRecordSelector DuplicateRecordFields
_ FieldSelectors
_ [] LFieldOcc GhcPs
_ = String -> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
forall a. HasCallStack => String -> a
error String
"newRecordSelector: datatype has no constructors!"
newRecordSelector DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel (Name
dc:[Name]
_) (L SrcSpan
loc (FieldOcc XCFieldOcc GhcPs
_ (L SrcSpanAnnN
_ RdrName
fld)))
= do { Name
selName <- GenLocated SrcSpanAnnN RdrName -> RnM Name
newTopSrcBinder (GenLocated SrcSpanAnnN RdrName -> RnM Name)
-> GenLocated SrcSpanAnnN RdrName -> RnM Name
forall a b. (a -> b) -> a -> b
$ SrcSpanAnnN -> RdrName -> GenLocated SrcSpanAnnN RdrName
forall l e. l -> e -> GenLocated l e
L (SrcSpan -> SrcSpanAnnN
forall ann. SrcSpan -> SrcAnn ann
noAnnSrcSpan SrcSpan
loc) (RdrName -> GenLocated SrcSpanAnnN RdrName)
-> RdrName -> GenLocated SrcSpanAnnN RdrName
forall a b. (a -> b) -> a -> b
$ RdrName
field
; FieldLabel -> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
forall (m :: * -> *) a. Monad m => a -> m a
return (FieldLabel -> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel)
-> FieldLabel -> IOEnv (Env TcGblEnv TcLclEnv) FieldLabel
forall a b. (a -> b) -> a -> b
$ FieldLabel { flLabel :: FastString
flLabel = FastString
fieldLabelString
, flHasDuplicateRecordFields :: DuplicateRecordFields
flHasDuplicateRecordFields = DuplicateRecordFields
dup_fields_ok
, flHasFieldSelector :: FieldSelectors
flHasFieldSelector = FieldSelectors
has_sel
, flSelector :: Name
flSelector = Name
selName } }
where
fieldLabelString :: FastString
fieldLabelString = OccName -> FastString
occNameFS (OccName -> FastString) -> OccName -> FastString
forall a b. (a -> b) -> a -> b
$ RdrName -> OccName
rdrNameOcc RdrName
fld
selOccName :: OccName
selOccName = FastString
-> OccName -> DuplicateRecordFields -> FieldSelectors -> OccName
fieldSelectorOccName FastString
fieldLabelString (Name -> OccName
nameOccName Name
dc) DuplicateRecordFields
dup_fields_ok FieldSelectors
has_sel
field :: RdrName
field | RdrName -> Bool
isExact RdrName
fld = RdrName
fld
| Bool
otherwise = OccName -> RdrName
mkRdrUnqual OccName
selOccName
filterImports
:: ModIface
-> ImpDeclSpec
-> Maybe (Bool, LocatedL [LIE GhcPs])
-> RnM (Maybe (Bool, LocatedL [LIE GhcRn]),
[GlobalRdrElt])
filterImports :: ModIface
-> ImpDeclSpec
-> Maybe (Bool, LocatedL [LIE GhcPs])
-> RnM (Maybe (Bool, LocatedL [LIE GhcRn]), [GlobalRdrElt])
filterImports ModIface
iface ImpDeclSpec
decl_spec Maybe (Bool, LocatedL [LIE GhcPs])
Nothing
= (Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]),
[GlobalRdrElt])
-> IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]),
[GlobalRdrElt])
forall (m :: * -> *) a. Monad m => a -> m a
return (Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)])
forall a. Maybe a
Nothing, Maybe ImportSpec -> [AvailInfo] -> [GlobalRdrElt]
gresFromAvails (ImportSpec -> Maybe ImportSpec
forall a. a -> Maybe a
Just ImportSpec
imp_spec) (ModIface -> [AvailInfo]
forall (phase :: ModIfacePhase). ModIface_ phase -> [AvailInfo]
mi_exports ModIface
iface))
where
imp_spec :: ImportSpec
imp_spec = ImpSpec { is_decl :: ImpDeclSpec
is_decl = ImpDeclSpec
decl_spec, is_item :: ImpItemSpec
is_item = ImpItemSpec
ImpAll }
filterImports ModIface
iface ImpDeclSpec
decl_spec (Just (Bool
want_hiding, L SrcSpanAnnL
l [LIE GhcPs]
import_items))
= do
[[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]]
items1 <- (GenLocated SrcSpanAnnA (IE GhcPs)
-> IOEnv
(Env TcGblEnv TcLclEnv)
[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)])
-> [GenLocated SrcSpanAnnA (IE GhcPs)]
-> IOEnv
(Env TcGblEnv TcLclEnv)
[[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM GenLocated SrcSpanAnnA (IE GhcPs)
-> IOEnv
(Env TcGblEnv TcLclEnv)
[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
LIE GhcPs -> TcRn [(LIE GhcRn, AvailInfo)]
lookup_lie [GenLocated SrcSpanAnnA (IE GhcPs)]
[LIE GhcPs]
import_items
let items2 :: [(LIE GhcRn, AvailInfo)]
items2 :: [(LIE GhcRn, AvailInfo)]
items2 = [[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]]
-> [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]]
items1
names :: Defs
names = [AvailInfo] -> Defs
availsToNameSetWithSelectors (((GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo) -> AvailInfo)
-> [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)] -> [AvailInfo]
forall a b. (a -> b) -> [a] -> [b]
map (GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo) -> AvailInfo
forall a b. (a, b) -> b
snd [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
[(LIE GhcRn, AvailInfo)]
items2)
keep :: Name -> Bool
keep Name
n = Bool -> Bool
not (Name
n Name -> Defs -> Bool
`elemNameSet` Defs
names)
pruned_avails :: [AvailInfo]
pruned_avails = (Name -> Bool) -> [AvailInfo] -> [AvailInfo]
filterAvails Name -> Bool
keep [AvailInfo]
all_avails
hiding_spec :: ImportSpec
hiding_spec = ImpSpec { is_decl :: ImpDeclSpec
is_decl = ImpDeclSpec
decl_spec, is_item :: ImpItemSpec
is_item = ImpItemSpec
ImpAll }
gres :: [GlobalRdrElt]
gres | Bool
want_hiding = Maybe ImportSpec -> [AvailInfo] -> [GlobalRdrElt]
gresFromAvails (ImportSpec -> Maybe ImportSpec
forall a. a -> Maybe a
Just ImportSpec
hiding_spec) [AvailInfo]
pruned_avails
| Bool
otherwise = ((GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo) -> [GlobalRdrElt])
-> [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
-> [GlobalRdrElt]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (ImpDeclSpec -> (LIE GhcRn, AvailInfo) -> [GlobalRdrElt]
gresFromIE ImpDeclSpec
decl_spec) [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
[(LIE GhcRn, AvailInfo)]
items2
(Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]),
[GlobalRdrElt])
-> IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]),
[GlobalRdrElt])
forall (m :: * -> *) a. Monad m => a -> m a
return ((Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)])
-> Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)])
forall a. a -> Maybe a
Just (Bool
want_hiding, SrcSpanAnnL
-> [GenLocated SrcSpanAnnA (IE GhcRn)]
-> LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnL
l (((GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)
-> GenLocated SrcSpanAnnA (IE GhcRn))
-> [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
-> [GenLocated SrcSpanAnnA (IE GhcRn)]
forall a b. (a -> b) -> [a] -> [b]
map (GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)
-> GenLocated SrcSpanAnnA (IE GhcRn)
forall a b. (a, b) -> a
fst [(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
[(LIE GhcRn, AvailInfo)]
items2)), [GlobalRdrElt]
gres)
where
all_avails :: [AvailInfo]
all_avails = ModIface -> [AvailInfo]
forall (phase :: ModIfacePhase). ModIface_ phase -> [AvailInfo]
mi_exports ModIface
iface
imp_occ_env :: OccEnv (NameEnv (GreName,
AvailInfo,
Maybe Name))
imp_occ_env :: OccEnv (NameEnv (GreName, AvailInfo, Maybe Name))
imp_occ_env = (NameEnv (GreName, AvailInfo, Maybe Name)
-> NameEnv (GreName, AvailInfo, Maybe Name)
-> NameEnv (GreName, AvailInfo, Maybe Name))
-> [(OccName, NameEnv (GreName, AvailInfo, Maybe Name))]
-> OccEnv (NameEnv (GreName, AvailInfo, Maybe Name))
forall a. (a -> a -> a) -> [(OccName, a)] -> OccEnv a
mkOccEnv_C (((GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name))
-> NameEnv (GreName, AvailInfo, Maybe Name)
-> NameEnv (GreName, AvailInfo, Maybe Name)
-> NameEnv (GreName, AvailInfo, Maybe Name)
forall a. (a -> a -> a) -> NameEnv a -> NameEnv a -> NameEnv a
plusNameEnv_C (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
combine)
[ (GreName -> OccName
forall name. HasOccName name => name -> OccName
occName GreName
c, [(Name, (GreName, AvailInfo, Maybe Name))]
-> NameEnv (GreName, AvailInfo, Maybe Name)
forall a. [(Name, a)] -> NameEnv a
mkNameEnv [(GreName -> Name
greNameMangledName GreName
c, (GreName
c, AvailInfo
a, Maybe Name
forall a. Maybe a
Nothing))])
| AvailInfo
a <- [AvailInfo]
all_avails
, GreName
c <- AvailInfo -> [GreName]
availGreNames AvailInfo
a]
combine :: (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
combine :: (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
-> (GreName, AvailInfo, Maybe Name)
combine (NormalGreName Name
name1, a1 :: AvailInfo
a1@(AvailTC Name
p1 [GreName]
_), Maybe Name
mb1)
(NormalGreName Name
name2, a2 :: AvailInfo
a2@(AvailTC Name
p2 [GreName]
_), Maybe Name
mb2)
= ASSERT2( name1 == name2 && isNothing mb1 && isNothing mb2
, ppr name1 <+> ppr name2 <+> ppr mb1 <+> ppr mb2 )
if Name
p1 Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
== Name
name1 then (Name -> GreName
NormalGreName Name
name1, AvailInfo
a1, Name -> Maybe Name
forall a. a -> Maybe a
Just Name
p2)
else (Name -> GreName
NormalGreName Name
name1, AvailInfo
a2, Name -> Maybe Name
forall a. a -> Maybe a
Just Name
p1)
combine (GreName
c1, AvailInfo
a1, Maybe Name
mb1) (GreName
c2, AvailInfo
a2, Maybe Name
mb2)
= ASSERT2( c1 == c2 && isNothing mb1 && isNothing mb2
&& (isAvailTC a1 || isAvailTC a2)
, ppr c1 <+> ppr c2 <+> ppr a1 <+> ppr a2 <+> ppr mb1 <+> ppr mb2 )
if AvailInfo -> Bool
isAvailTC AvailInfo
a1 then (GreName
c1, AvailInfo
a1, Maybe Name
forall a. Maybe a
Nothing)
else (GreName
c1, AvailInfo
a2, Maybe Name
forall a. Maybe a
Nothing)
isAvailTC :: AvailInfo -> Bool
isAvailTC AvailTC{} = Bool
True
isAvailTC AvailInfo
_ = Bool
False
lookup_name :: IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name :: IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie RdrName
rdr
| RdrName -> Bool
isQual RdrName
rdr = IELookupError -> IELookupM (Name, AvailInfo, Maybe Name)
forall a. IELookupError -> IELookupM a
failLookupWith (RdrName -> IELookupError
QualImportError RdrName
rdr)
| Just NameEnv (GreName, AvailInfo, Maybe Name)
succ <- Maybe (NameEnv (GreName, AvailInfo, Maybe Name))
mb_success = case NameEnv (GreName, AvailInfo, Maybe Name)
-> [(GreName, AvailInfo, Maybe Name)]
forall a. NameEnv a -> [a]
nameEnvElts NameEnv (GreName, AvailInfo, Maybe Name)
succ of
[(GreName
c,AvailInfo
a,Maybe Name
x)] -> (Name, AvailInfo, Maybe Name)
-> IELookupM (Name, AvailInfo, Maybe Name)
forall (m :: * -> *) a. Monad m => a -> m a
return (GreName -> Name
greNameMangledName GreName
c, AvailInfo
a, Maybe Name
x)
[(GreName, AvailInfo, Maybe Name)]
xs -> IELookupError -> IELookupM (Name, AvailInfo, Maybe Name)
forall a. IELookupError -> IELookupM a
failLookupWith (RdrName -> [AvailInfo] -> IELookupError
AmbiguousImport RdrName
rdr (((GreName, AvailInfo, Maybe Name) -> AvailInfo)
-> [(GreName, AvailInfo, Maybe Name)] -> [AvailInfo]
forall a b. (a -> b) -> [a] -> [b]
map (GreName, AvailInfo, Maybe Name) -> AvailInfo
forall a b c. (a, b, c) -> b
sndOf3 [(GreName, AvailInfo, Maybe Name)]
xs))
| Bool
otherwise = IELookupError -> IELookupM (Name, AvailInfo, Maybe Name)
forall a. IELookupError -> IELookupM a
failLookupWith (IE GhcPs -> IELookupError
BadImport IE GhcPs
ie)
where
mb_success :: Maybe (NameEnv (GreName, AvailInfo, Maybe Name))
mb_success = OccEnv (NameEnv (GreName, AvailInfo, Maybe Name))
-> OccName -> Maybe (NameEnv (GreName, AvailInfo, Maybe Name))
forall a. OccEnv a -> OccName -> Maybe a
lookupOccEnv OccEnv (NameEnv (GreName, AvailInfo, Maybe Name))
imp_occ_env (RdrName -> OccName
rdrNameOcc RdrName
rdr)
lookup_lie :: LIE GhcPs -> TcRn [(LIE GhcRn, AvailInfo)]
lookup_lie :: LIE GhcPs -> TcRn [(LIE GhcRn, AvailInfo)]
lookup_lie (L SrcSpanAnnA
loc IE GhcPs
ieRdr)
= do ([(IE GhcRn, AvailInfo)]
stuff, [IELookupWarning]
warns) <- SrcSpanAnnA
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall ann a. SrcSpanAnn' ann -> TcRn a -> TcRn a
setSrcSpanA SrcSpanAnnA
loc (TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a b. (a -> b) -> a -> b
$
(Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM (([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a. a -> Maybe a -> a
fromMaybe ([],[])) (IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> TcRn ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a b. (a -> b) -> a -> b
$
IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IOEnv
(Env TcGblEnv TcLclEnv)
(Maybe ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
forall a. IELookupM a -> TcRn (Maybe a)
run_lookup (IE GhcPs -> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
lookup_ie IE GhcPs
ieRdr)
(IELookupWarning -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [IELookupWarning] -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ IELookupWarning -> IOEnv (Env TcGblEnv TcLclEnv) ()
emit_warning [IELookupWarning]
warns
[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
-> IOEnv
(Env TcGblEnv TcLclEnv)
[(GenLocated SrcSpanAnnA (IE GhcRn), AvailInfo)]
forall (m :: * -> *) a. Monad m => a -> m a
return [ (SrcSpanAnnA -> IE GhcRn -> GenLocated SrcSpanAnnA (IE GhcRn)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
loc IE GhcRn
ie, AvailInfo
avail) | (IE GhcRn
ie,AvailInfo
avail) <- [(IE GhcRn, AvailInfo)]
stuff ]
where
emit_warning :: IELookupWarning -> IOEnv (Env TcGblEnv TcLclEnv) ()
emit_warning (DodgyImport RdrName
n) = WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnDodgyImports (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
WarnReason -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarn (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnDodgyImports) (RdrName -> SDoc
dodgyImportWarn RdrName
n)
emit_warning IELookupWarning
MissingImportList = WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnMissingImportList (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
WarnReason -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarn (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnMissingImportList) (IE GhcPs -> SDoc
missingImportListItem IE GhcPs
ieRdr)
emit_warning (BadImportW IE GhcPs
ie) = WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnDodgyImports (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
WarnReason -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarn (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnDodgyImports) (IELookupError -> SDoc
lookup_err_msg (IE GhcPs -> IELookupError
BadImport IE GhcPs
ie))
run_lookup :: IELookupM a -> TcRn (Maybe a)
run_lookup :: forall a. IELookupM a -> TcRn (Maybe a)
run_lookup IELookupM a
m = case IELookupM a
m of
Failed IELookupError
err -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addErr (IELookupError -> SDoc
lookup_err_msg IELookupError
err) IOEnv (Env TcGblEnv TcLclEnv) ()
-> TcRn (Maybe a) -> TcRn (Maybe a)
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Maybe a -> TcRn (Maybe a)
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe a
forall a. Maybe a
Nothing
Succeeded a
a -> Maybe a -> TcRn (Maybe a)
forall (m :: * -> *) a. Monad m => a -> m a
return (a -> Maybe a
forall a. a -> Maybe a
Just a
a)
lookup_err_msg :: IELookupError -> SDoc
lookup_err_msg IELookupError
err = case IELookupError
err of
BadImport IE GhcPs
ie -> ModIface -> ImpDeclSpec -> IE GhcPs -> [AvailInfo] -> SDoc
badImportItemErr ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie [AvailInfo]
all_avails
IELookupError
IllegalImport -> SDoc
illegalImportItemErr
QualImportError RdrName
rdr -> RdrName -> SDoc
qualImportItemErr RdrName
rdr
AmbiguousImport RdrName
rdr [AvailInfo]
xs -> RdrName -> [AvailInfo] -> SDoc
ambiguousImportItemErr RdrName
rdr [AvailInfo]
xs
lookup_ie :: IE GhcPs
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
lookup_ie :: IE GhcPs -> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
lookup_ie IE GhcPs
ie = IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
handle_bad_import (IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a b. (a -> b) -> a -> b
$
case IE GhcPs
ie of
IEVar XIEVar GhcPs
_ (L SrcSpanAnnA
l IEWrappedName (IdP GhcPs)
n) -> do
(Name
name, AvailInfo
avail, Maybe Name
_) <- IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie (RdrName -> IELookupM (Name, AvailInfo, Maybe Name))
-> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
forall a b. (a -> b) -> a -> b
$ IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
n
([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([(XIEVar GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass. XIEVar pass -> LIEWrappedName (IdP pass) -> IE pass
IEVar NoExtField
XIEVar GhcRn
noExtField (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (IEWrappedName RdrName -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
n Name
name)),
AvailInfo -> Name -> AvailInfo
trimAvail AvailInfo
avail Name
name)], [])
IEThingAll XIEThingAll GhcPs
_ (L SrcSpanAnnA
l IEWrappedName (IdP GhcPs)
tc) -> do
(Name
name, AvailInfo
avail, Maybe Name
mb_parent) <- IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie (RdrName -> IELookupM (Name, AvailInfo, Maybe Name))
-> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
forall a b. (a -> b) -> a -> b
$ IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc
let warns :: [IELookupWarning]
warns = case AvailInfo
avail of
Avail {}
-> [RdrName -> IELookupWarning
DodgyImport (RdrName -> IELookupWarning) -> RdrName -> IELookupWarning
forall a b. (a -> b) -> a -> b
$ IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc]
AvailTC Name
_ [GreName]
subs
| [GreName] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (Int -> [GreName] -> [GreName]
forall a. Int -> [a] -> [a]
drop Int
1 [GreName]
subs)
-> [RdrName -> IELookupWarning
DodgyImport (RdrName -> IELookupWarning) -> RdrName -> IELookupWarning
forall a b. (a -> b) -> a -> b
$ IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc]
| Bool -> Bool
not (ImpDeclSpec -> Bool
is_qual ImpDeclSpec
decl_spec)
-> [IELookupWarning
MissingImportList]
| Bool
otherwise
-> []
renamed_ie :: IE GhcRn
renamed_ie = XIEThingAll GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass.
XIEThingAll pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAll XIEThingAll GhcRn
forall a. EpAnn a
noAnn (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (IEWrappedName RdrName -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc Name
name))
sub_avails :: [(IE GhcRn, AvailInfo)]
sub_avails = case AvailInfo
avail of
Avail {} -> []
AvailTC Name
name2 [GreName]
subs -> [(IE GhcRn
renamed_ie, Name -> [GreName] -> AvailInfo
AvailTC Name
name2 ([GreName]
subs [GreName] -> [GreName] -> [GreName]
forall a. Eq a => [a] -> [a] -> [a]
\\ [Name -> GreName
NormalGreName Name
name]))]
case Maybe Name
mb_parent of
Maybe Name
Nothing -> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([(IE GhcRn
renamed_ie, AvailInfo
avail)], [IELookupWarning]
warns)
Just Name
parent -> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ((IE GhcRn
renamed_ie, Name -> [GreName] -> AvailInfo
AvailTC Name
parent [Name -> GreName
NormalGreName Name
name]) (IE GhcRn, AvailInfo)
-> [(IE GhcRn, AvailInfo)] -> [(IE GhcRn, AvailInfo)]
forall a. a -> [a] -> [a]
: [(IE GhcRn, AvailInfo)]
sub_avails, [IELookupWarning]
warns)
IEThingAbs XIEThingAbs GhcPs
_ (L SrcSpanAnnA
l IEWrappedName (IdP GhcPs)
tc')
| Bool
want_hiding
-> let tc :: RdrName
tc = IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc'
tc_name :: IELookupM (Name, AvailInfo, Maybe Name)
tc_name = IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie RdrName
tc
dc_name :: IELookupM (Name, AvailInfo, Maybe Name)
dc_name = IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie (RdrName -> NameSpace -> RdrName
setRdrNameSpace RdrName
tc NameSpace
srcDataName)
in
case [IELookupM (Name, AvailInfo, Maybe Name)]
-> [(Name, AvailInfo, Maybe Name)]
forall a. [IELookupM a] -> [a]
catIELookupM [ IELookupM (Name, AvailInfo, Maybe Name)
tc_name, IELookupM (Name, AvailInfo, Maybe Name)
dc_name ] of
[] -> IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a. IELookupError -> IELookupM a
failLookupWith (IE GhcPs -> IELookupError
BadImport IE GhcPs
ie)
[(Name, AvailInfo, Maybe Name)]
names -> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([IEWrappedName RdrName
-> SrcSpanAnnA
-> (Name, AvailInfo, Maybe Name)
-> (IE GhcRn, AvailInfo)
forall {pass} {a} {name1}.
(IdP pass ~ Name, XIEThingAbs pass ~ EpAnn a) =>
IEWrappedName name1
-> SrcSpanAnnA
-> (Name, AvailInfo, Maybe Name)
-> (IE pass, AvailInfo)
mkIEThingAbs IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc' SrcSpanAnnA
l (Name, AvailInfo, Maybe Name)
name | (Name, AvailInfo, Maybe Name)
name <- [(Name, AvailInfo, Maybe Name)]
names], [])
| Bool
otherwise
-> do (Name, AvailInfo, Maybe Name)
nameAvail <- IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name IE GhcPs
ie (IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc')
([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([IEWrappedName RdrName
-> SrcSpanAnnA
-> (Name, AvailInfo, Maybe Name)
-> (IE GhcRn, AvailInfo)
forall {pass} {a} {name1}.
(IdP pass ~ Name, XIEThingAbs pass ~ EpAnn a) =>
IEWrappedName name1
-> SrcSpanAnnA
-> (Name, AvailInfo, Maybe Name)
-> (IE pass, AvailInfo)
mkIEThingAbs IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
tc' SrcSpanAnnA
l (Name, AvailInfo, Maybe Name)
nameAvail]
, [])
IEThingWith XIEThingWith GhcPs
xt ltc :: GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))
ltc@(L SrcSpanAnnA
l IEWrappedName (IdP GhcPs)
rdr_tc) IEWildcard
wc [GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))]
rdr_ns -> do
(Name
name, AvailInfo
avail, Maybe Name
mb_parent)
<- IE GhcPs -> RdrName -> IELookupM (Name, AvailInfo, Maybe Name)
lookup_name (XIEThingAbs GhcPs
-> GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs)) -> IE GhcPs
forall pass.
XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAbs XIEThingAbs GhcPs
forall a. EpAnn a
noAnn GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))
ltc) (IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
rdr_tc)
let subnames :: [GreName]
subnames = AvailInfo -> [GreName]
availSubordinateGreNames AvailInfo
avail
case [GreName]
-> [LIEWrappedName RdrName]
-> MaybeErr
[LIEWrappedName RdrName] ([LocatedA Name], [Located FieldLabel])
lookupChildren [GreName]
subnames [LIEWrappedName RdrName]
[GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))]
rdr_ns of
Failed [LIEWrappedName RdrName]
rdrs -> IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a. IELookupError -> IELookupM a
failLookupWith (IE GhcPs -> IELookupError
BadImport (XIEThingWith GhcPs
-> GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))
-> IEWildcard
-> [GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))]
-> IE GhcPs
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith XIEThingWith GhcPs
xt GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))
ltc IEWildcard
wc [LIEWrappedName RdrName]
[GenLocated SrcSpanAnnA (IEWrappedName (IdP GhcPs))]
rdrs))
Succeeded ([LocatedA Name]
childnames, [Located FieldLabel]
childflds) ->
case Maybe Name
mb_parent of
Maybe Name
Nothing
-> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([(XIEThingWith GhcRn
-> LIEWrappedName (IdP GhcRn)
-> IEWildcard
-> [LIEWrappedName (IdP GhcRn)]
-> IE GhcRn
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith [Located FieldLabel]
XIEThingWith GhcRn
childflds (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l IEWrappedName Name
name') IEWildcard
wc [GenLocated SrcSpanAnnA (IEWrappedName Name)]
[LIEWrappedName (IdP GhcRn)]
childnames',
Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC Name
name (Name
nameName -> [Name] -> [Name]
forall a. a -> [a] -> [a]
:(LocatedA Name -> Name) -> [LocatedA Name] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map LocatedA Name -> Name
forall l e. GenLocated l e -> e
unLoc [LocatedA Name]
childnames) ((Located FieldLabel -> FieldLabel)
-> [Located FieldLabel] -> [FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map Located FieldLabel -> FieldLabel
forall l e. GenLocated l e -> e
unLoc [Located FieldLabel]
childflds))],
[])
where name' :: IEWrappedName Name
name' = IEWrappedName RdrName -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
rdr_tc Name
name
childnames' :: [GenLocated SrcSpanAnnA (IEWrappedName Name)]
childnames' = (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> [LocatedA Name] -> [GenLocated SrcSpanAnnA (IEWrappedName Name)]
forall a b. (a -> b) -> [a] -> [b]
map LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn [LocatedA Name]
childnames
Just Name
parent
-> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([(XIEThingWith GhcRn
-> LIEWrappedName (IdP GhcRn)
-> IEWildcard
-> [LIEWrappedName (IdP GhcRn)]
-> IE GhcRn
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith [Located FieldLabel]
XIEThingWith GhcRn
childflds (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l IEWrappedName Name
name') IEWildcard
wc [GenLocated SrcSpanAnnA (IEWrappedName Name)]
[LIEWrappedName (IdP GhcRn)]
childnames',
Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC Name
name ((LocatedA Name -> Name) -> [LocatedA Name] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map LocatedA Name -> Name
forall l e. GenLocated l e -> e
unLoc [LocatedA Name]
childnames) ((Located FieldLabel -> FieldLabel)
-> [Located FieldLabel] -> [FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map Located FieldLabel -> FieldLabel
forall l e. GenLocated l e -> e
unLoc [Located FieldLabel]
childflds)),
(XIEThingWith GhcRn
-> LIEWrappedName (IdP GhcRn)
-> IEWildcard
-> [LIEWrappedName (IdP GhcRn)]
-> IE GhcRn
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith [Located FieldLabel]
XIEThingWith GhcRn
childflds (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l IEWrappedName Name
name') IEWildcard
wc [GenLocated SrcSpanAnnA (IEWrappedName Name)]
[LIEWrappedName (IdP GhcRn)]
childnames',
Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC Name
parent [Name
name] [])],
[])
where name' :: IEWrappedName Name
name' = IEWrappedName RdrName -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName RdrName
IEWrappedName (IdP GhcPs)
rdr_tc Name
name
childnames' :: [GenLocated SrcSpanAnnA (IEWrappedName Name)]
childnames' = (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> [LocatedA Name] -> [GenLocated SrcSpanAnnA (IEWrappedName Name)]
forall a b. (a -> b) -> [a] -> [b]
map LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn [LocatedA Name]
childnames
IE GhcPs
_other -> IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a. IELookupError -> IELookupM a
failLookupWith IELookupError
IllegalImport
where
mkIEThingAbs :: IEWrappedName name1
-> SrcSpanAnnA
-> (Name, AvailInfo, Maybe Name)
-> (IE pass, AvailInfo)
mkIEThingAbs IEWrappedName name1
tc SrcSpanAnnA
l (Name
n, AvailInfo
av, Maybe Name
Nothing )
= (XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
forall pass.
XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAbs XIEThingAbs pass
forall a. EpAnn a
noAnn (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (IEWrappedName name1 -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName name1
tc Name
n)), AvailInfo -> Name -> AvailInfo
trimAvail AvailInfo
av Name
n)
mkIEThingAbs IEWrappedName name1
tc SrcSpanAnnA
l (Name
n, AvailInfo
_, Just Name
parent)
= (XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
forall pass.
XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAbs XIEThingAbs pass
forall a. EpAnn a
noAnn (SrcSpanAnnA
-> IEWrappedName Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (IEWrappedName name1 -> Name -> IEWrappedName Name
forall name1 name2.
IEWrappedName name1 -> name2 -> IEWrappedName name2
replaceWrappedName IEWrappedName name1
tc Name
n))
, Name -> [Name] -> [FieldLabel] -> AvailInfo
availTC Name
parent [Name
n] [])
handle_bad_import :: IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
handle_bad_import IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
m = IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> (IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a.
IELookupM a -> (IELookupError -> IELookupM a) -> IELookupM a
catchIELookup IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
m ((IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> (IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning]))
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a b. (a -> b) -> a -> b
$ \IELookupError
err -> case IELookupError
err of
BadImport IE GhcPs
ie | Bool
want_hiding -> ([(IE GhcRn, AvailInfo)], [IELookupWarning])
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall (m :: * -> *) a. Monad m => a -> m a
return ([], [IE GhcPs -> IELookupWarning
BadImportW IE GhcPs
ie])
IELookupError
_ -> IELookupError
-> IELookupM ([(IE GhcRn, AvailInfo)], [IELookupWarning])
forall a. IELookupError -> IELookupM a
failLookupWith IELookupError
err
type IELookupM = MaybeErr IELookupError
data IELookupWarning
= BadImportW (IE GhcPs)
| MissingImportList
| DodgyImport RdrName
data IELookupError
= QualImportError RdrName
| BadImport (IE GhcPs)
| IllegalImport
| AmbiguousImport RdrName [AvailInfo]
failLookupWith :: IELookupError -> IELookupM a
failLookupWith :: forall a. IELookupError -> IELookupM a
failLookupWith IELookupError
err = IELookupError -> MaybeErr IELookupError a
forall err val. err -> MaybeErr err val
Failed IELookupError
err
catchIELookup :: IELookupM a -> (IELookupError -> IELookupM a) -> IELookupM a
catchIELookup :: forall a.
IELookupM a -> (IELookupError -> IELookupM a) -> IELookupM a
catchIELookup IELookupM a
m IELookupError -> IELookupM a
h = case IELookupM a
m of
Succeeded a
r -> a -> IELookupM a
forall (m :: * -> *) a. Monad m => a -> m a
return a
r
Failed IELookupError
err -> IELookupError -> IELookupM a
h IELookupError
err
catIELookupM :: [IELookupM a] -> [a]
catIELookupM :: forall a. [IELookupM a] -> [a]
catIELookupM [IELookupM a]
ms = [ a
a | Succeeded a
a <- [IELookupM a]
ms ]
gresFromIE :: ImpDeclSpec -> (LIE GhcRn, AvailInfo) -> [GlobalRdrElt]
gresFromIE :: ImpDeclSpec -> (LIE GhcRn, AvailInfo) -> [GlobalRdrElt]
gresFromIE ImpDeclSpec
decl_spec (L SrcSpanAnnA
loc IE GhcRn
ie, AvailInfo
avail)
= (Name -> Maybe ImportSpec) -> AvailInfo -> [GlobalRdrElt]
gresFromAvail Name -> Maybe ImportSpec
prov_fn AvailInfo
avail
where
is_explicit :: Name -> Bool
is_explicit = case IE GhcRn
ie of
IEThingAll XIEThingAll GhcRn
_ LIEWrappedName (IdP GhcRn)
name -> \Name
n -> Name
n Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
== GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName GenLocated SrcSpanAnnA (IEWrappedName Name)
LIEWrappedName (IdP GhcRn)
name
IE GhcRn
_ -> \Name
_ -> Bool
True
prov_fn :: Name -> Maybe ImportSpec
prov_fn Name
name
= ImportSpec -> Maybe ImportSpec
forall a. a -> Maybe a
Just (ImpSpec { is_decl :: ImpDeclSpec
is_decl = ImpDeclSpec
decl_spec, is_item :: ImpItemSpec
is_item = ImpItemSpec
item_spec })
where
item_spec :: ImpItemSpec
item_spec = ImpSome { is_explicit :: Bool
is_explicit = Name -> Bool
is_explicit Name
name
, is_iloc :: SrcSpan
is_iloc = SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc }
mkChildEnv :: [GlobalRdrElt] -> NameEnv [GlobalRdrElt]
mkChildEnv :: [GlobalRdrElt] -> NameEnv [GlobalRdrElt]
mkChildEnv [GlobalRdrElt]
gres = (GlobalRdrElt -> NameEnv [GlobalRdrElt] -> NameEnv [GlobalRdrElt])
-> NameEnv [GlobalRdrElt]
-> [GlobalRdrElt]
-> NameEnv [GlobalRdrElt]
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr GlobalRdrElt -> NameEnv [GlobalRdrElt] -> NameEnv [GlobalRdrElt]
add NameEnv [GlobalRdrElt]
forall a. NameEnv a
emptyNameEnv [GlobalRdrElt]
gres
where
add :: GlobalRdrElt -> NameEnv [GlobalRdrElt] -> NameEnv [GlobalRdrElt]
add GlobalRdrElt
gre NameEnv [GlobalRdrElt]
env = case GlobalRdrElt -> Parent
gre_par GlobalRdrElt
gre of
ParentIs Name
p -> (GlobalRdrElt -> [GlobalRdrElt] -> [GlobalRdrElt])
-> (GlobalRdrElt -> [GlobalRdrElt])
-> NameEnv [GlobalRdrElt]
-> Name
-> GlobalRdrElt
-> NameEnv [GlobalRdrElt]
forall a b.
(a -> b -> b) -> (a -> b) -> NameEnv b -> Name -> a -> NameEnv b
extendNameEnv_Acc (:) GlobalRdrElt -> [GlobalRdrElt]
forall a. a -> [a]
Utils.singleton NameEnv [GlobalRdrElt]
env Name
p GlobalRdrElt
gre
Parent
NoParent -> NameEnv [GlobalRdrElt]
env
findChildren :: NameEnv [a] -> Name -> [a]
findChildren :: forall a. NameEnv [a] -> Name -> [a]
findChildren NameEnv [a]
env Name
n = NameEnv [a] -> Name -> Maybe [a]
forall a. NameEnv a -> Name -> Maybe a
lookupNameEnv NameEnv [a]
env Name
n Maybe [a] -> [a] -> [a]
forall a. Maybe a -> a -> a
`orElse` []
lookupChildren :: [GreName] -> [LIEWrappedName RdrName]
-> MaybeErr [LIEWrappedName RdrName]
([LocatedA Name], [Located FieldLabel])
lookupChildren :: [GreName]
-> [LIEWrappedName RdrName]
-> MaybeErr
[LIEWrappedName RdrName] ([LocatedA Name], [Located FieldLabel])
lookupChildren [GreName]
all_kids [LIEWrappedName RdrName]
rdr_items
| [LIEWrappedName RdrName] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [LIEWrappedName RdrName]
fails
= ([LocatedA Name], [Located FieldLabel])
-> MaybeErr
[LIEWrappedName RdrName] ([LocatedA Name], [Located FieldLabel])
forall err val. val -> MaybeErr err val
Succeeded (([[Located FieldLabel]] -> [Located FieldLabel])
-> ([LocatedA Name], [[Located FieldLabel]])
-> ([LocatedA Name], [Located FieldLabel])
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap [[Located FieldLabel]] -> [Located FieldLabel]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat ([Either (LocatedA Name) [Located FieldLabel]]
-> ([LocatedA Name], [[Located FieldLabel]])
forall a b. [Either a b] -> ([a], [b])
partitionEithers [Either (LocatedA Name) [Located FieldLabel]]
oks))
| Bool
otherwise
= [LIEWrappedName RdrName]
-> MaybeErr
[LIEWrappedName RdrName] ([LocatedA Name], [Located FieldLabel])
forall err val. err -> MaybeErr err val
Failed [LIEWrappedName RdrName]
fails
where
mb_xs :: [MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])]
mb_xs = (LIEWrappedName RdrName
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel]))
-> [LIEWrappedName RdrName]
-> [MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])]
forall a b. (a -> b) -> [a] -> [b]
map LIEWrappedName RdrName
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])
doOne [LIEWrappedName RdrName]
rdr_items
fails :: [LIEWrappedName RdrName]
fails = [ LIEWrappedName RdrName
bad_rdr | Failed LIEWrappedName RdrName
bad_rdr <- [MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])]
mb_xs ]
oks :: [Either (LocatedA Name) [Located FieldLabel]]
oks = [ Either (LocatedA Name) [Located FieldLabel]
ok | Succeeded Either (LocatedA Name) [Located FieldLabel]
ok <- [MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])]
mb_xs ]
oks :: [Either (LocatedA Name) [Located FieldLabel]]
doOne :: LIEWrappedName RdrName
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])
doOne item :: LIEWrappedName RdrName
item@(L SrcSpanAnnA
l IEWrappedName RdrName
r)
= case (FastStringEnv [GreName] -> FastString -> Maybe [GreName]
forall a. FastStringEnv a -> FastString -> Maybe a
lookupFsEnv FastStringEnv [GreName]
kid_env (FastString -> Maybe [GreName])
-> (IEWrappedName RdrName -> FastString)
-> IEWrappedName RdrName
-> Maybe [GreName]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. OccName -> FastString
occNameFS (OccName -> FastString)
-> (IEWrappedName RdrName -> OccName)
-> IEWrappedName RdrName
-> FastString
forall b c a. (b -> c) -> (a -> b) -> a -> c
. RdrName -> OccName
rdrNameOcc (RdrName -> OccName)
-> (IEWrappedName RdrName -> RdrName)
-> IEWrappedName RdrName
-> OccName
forall b c a. (b -> c) -> (a -> b) -> a -> c
. IEWrappedName RdrName -> RdrName
forall name. IEWrappedName name -> name
ieWrappedName) IEWrappedName RdrName
r of
Just [NormalGreName Name
n] -> Either (LocatedA Name) [Located FieldLabel]
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])
forall err val. val -> MaybeErr err val
Succeeded (LocatedA Name -> Either (LocatedA Name) [Located FieldLabel]
forall a b. a -> Either a b
Left (SrcSpanAnnA -> Name -> LocatedA Name
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l Name
n))
Just [GreName]
rs | Just [FieldLabel]
fs <- (GreName -> Maybe FieldLabel) -> [GreName] -> Maybe [FieldLabel]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
traverse GreName -> Maybe FieldLabel
greNameFieldLabel [GreName]
rs -> Either (LocatedA Name) [Located FieldLabel]
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])
forall err val. val -> MaybeErr err val
Succeeded ([Located FieldLabel] -> Either (LocatedA Name) [Located FieldLabel]
forall a b. b -> Either a b
Right ((FieldLabel -> Located FieldLabel)
-> [FieldLabel] -> [Located FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map (SrcSpan -> FieldLabel -> Located FieldLabel
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
l)) [FieldLabel]
fs))
Maybe [GreName]
_ -> LIEWrappedName RdrName
-> MaybeErr
(LIEWrappedName RdrName)
(Either (LocatedA Name) [Located FieldLabel])
forall err val. err -> MaybeErr err val
Failed LIEWrappedName RdrName
item
kid_env :: FastStringEnv [GreName]
kid_env = ([GreName] -> [GreName] -> [GreName])
-> FastStringEnv [GreName]
-> [(FastString, [GreName])]
-> FastStringEnv [GreName]
forall a.
(a -> a -> a)
-> FastStringEnv a -> [(FastString, a)] -> FastStringEnv a
extendFsEnvList_C [GreName] -> [GreName] -> [GreName]
forall a. [a] -> [a] -> [a]
(++) FastStringEnv [GreName]
forall a. FastStringEnv a
emptyFsEnv
[(OccName -> FastString
occNameFS (GreName -> OccName
forall name. HasOccName name => name -> OccName
occName GreName
x), [GreName
x]) | GreName
x <- [GreName]
all_kids]
reportUnusedNames :: TcGblEnv -> HscSource -> RnM ()
reportUnusedNames :: TcGblEnv -> HscSource -> IOEnv (Env TcGblEnv TcLclEnv) ()
reportUnusedNames TcGblEnv
gbl_env HscSource
hsc_src
= do { Defs
keep <- TcRef Defs -> TcRnIf TcGblEnv TcLclEnv Defs
forall a gbl lcl. TcRef a -> TcRnIf gbl lcl a
readTcRef (TcGblEnv -> TcRef Defs
tcg_keep TcGblEnv
gbl_env)
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"RUN" (DefUses -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TcGblEnv -> DefUses
tcg_dus TcGblEnv
gbl_env))
; TcGblEnv -> HscSource -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnusedImportDecls TcGblEnv
gbl_env HscSource
hsc_src
; [GlobalRdrElt] -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnusedTopBinds ([GlobalRdrElt] -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [GlobalRdrElt] -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ Defs -> [GlobalRdrElt]
unused_locals Defs
keep
; TcGblEnv -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnMissingSignatures TcGblEnv
gbl_env
; TcGblEnv -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnMissingKindSignatures TcGblEnv
gbl_env }
where
used_names :: NameSet -> NameSet
used_names :: Defs -> Defs
used_names Defs
keep = DefUses -> Defs -> Defs
findUses (TcGblEnv -> DefUses
tcg_dus TcGblEnv
gbl_env) Defs
emptyNameSet Defs -> Defs -> Defs
`unionNameSet` Defs
keep
defined_names :: [GlobalRdrElt]
defined_names :: [GlobalRdrElt]
defined_names = GlobalRdrEnv -> [GlobalRdrElt]
globalRdrEnvElts (TcGblEnv -> GlobalRdrEnv
tcg_rdr_env TcGblEnv
gbl_env)
kids_env :: NameEnv [GlobalRdrElt]
kids_env = [GlobalRdrElt] -> NameEnv [GlobalRdrElt]
mkChildEnv [GlobalRdrElt]
defined_names
gre_is_used :: NameSet -> GlobalRdrElt -> Bool
gre_is_used :: Defs -> GlobalRdrElt -> Bool
gre_is_used Defs
used_names GlobalRdrElt
gre0
= Name
name Name -> Defs -> Bool
`elemNameSet` Defs
used_names
Bool -> Bool -> Bool
|| (GlobalRdrElt -> Bool) -> [GlobalRdrElt] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (\ GlobalRdrElt
gre -> GlobalRdrElt -> Name
greMangledName GlobalRdrElt
gre Name -> Defs -> Bool
`elemNameSet` Defs
used_names) (NameEnv [GlobalRdrElt] -> Name -> [GlobalRdrElt]
forall a. NameEnv [a] -> Name -> [a]
findChildren NameEnv [GlobalRdrElt]
kids_env Name
name)
where
name :: Name
name = GlobalRdrElt -> Name
greMangledName GlobalRdrElt
gre0
unused_locals :: NameSet -> [GlobalRdrElt]
unused_locals :: Defs -> [GlobalRdrElt]
unused_locals Defs
keep =
let
_defined_and_used, defined_but_not_used :: [GlobalRdrElt]
([GlobalRdrElt]
_defined_and_used, [GlobalRdrElt]
defined_but_not_used)
= (GlobalRdrElt -> Bool)
-> [GlobalRdrElt] -> ([GlobalRdrElt], [GlobalRdrElt])
forall a. (a -> Bool) -> [a] -> ([a], [a])
partition (Defs -> GlobalRdrElt -> Bool
gre_is_used (Defs -> Defs
used_names Defs
keep)) [GlobalRdrElt]
defined_names
in (GlobalRdrElt -> Bool) -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. (a -> Bool) -> [a] -> [a]
filter GlobalRdrElt -> Bool
is_unused_local [GlobalRdrElt]
defined_but_not_used
is_unused_local :: GlobalRdrElt -> Bool
is_unused_local :: GlobalRdrElt -> Bool
is_unused_local GlobalRdrElt
gre = GlobalRdrElt -> Bool
isLocalGRE GlobalRdrElt
gre Bool -> Bool -> Bool
&& Name -> Bool
isExternalName (GlobalRdrElt -> Name
greMangledName GlobalRdrElt
gre)
warnMissingSignatures :: TcGblEnv -> RnM ()
warnMissingSignatures :: TcGblEnv -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnMissingSignatures TcGblEnv
gbl_env
= do { let exports :: Defs
exports = [AvailInfo] -> Defs
availsToNameSet (TcGblEnv -> [AvailInfo]
tcg_exports TcGblEnv
gbl_env)
sig_ns :: Defs
sig_ns = TcGblEnv -> Defs
tcg_sigs TcGblEnv
gbl_env
binds :: [IdP GhcTc]
binds = CollectFlag GhcTc -> LHsBindsLR GhcTc GhcTc -> [IdP GhcTc]
forall p idR.
CollectPass p =>
CollectFlag p -> LHsBindsLR p idR -> [IdP p]
collectHsBindsBinders CollectFlag GhcTc
forall p. CollectFlag p
CollNoDictBinders (LHsBindsLR GhcTc GhcTc -> [IdP GhcTc])
-> LHsBindsLR GhcTc GhcTc -> [IdP GhcTc]
forall a b. (a -> b) -> a -> b
$ TcGblEnv -> LHsBindsLR GhcTc GhcTc
tcg_binds TcGblEnv
gbl_env
pat_syns :: [PatSyn]
pat_syns = TcGblEnv -> [PatSyn]
tcg_patsyns TcGblEnv
gbl_env
; Bool
warn_missing_sigs <- WarningFlag -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnMissingSignatures
; Bool
warn_only_exported <- WarningFlag -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnMissingExportedSignatures
; Bool
warn_pat_syns <- WarningFlag -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnMissingPatternSynonymSignatures
; let add_sig_warns :: IOEnv (Env TcGblEnv TcLclEnv) ()
add_sig_warns
| Bool
warn_missing_sigs = WarningFlag -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warns WarningFlag
Opt_WarnMissingSignatures
| Bool
warn_only_exported = WarningFlag -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warns WarningFlag
Opt_WarnMissingExportedSignatures
| Bool
warn_pat_syns = WarningFlag -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warns WarningFlag
Opt_WarnMissingPatternSynonymSignatures
| Bool
otherwise = () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
add_warns :: WarningFlag -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warns WarningFlag
flag
= Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
warn_missing_sigs Bool -> Bool -> Bool
|| Bool
warn_only_exported)
((Id -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [Id] -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ Id -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_bind_warn [Id]
[IdP GhcTc]
binds) IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>>
Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
warn_missing_sigs Bool -> Bool -> Bool
|| Bool
warn_pat_syns)
((PatSyn -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [PatSyn] -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ PatSyn -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_pat_syn_warn [PatSyn]
pat_syns)
where
add_pat_syn_warn :: PatSyn -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_pat_syn_warn PatSyn
p
= Name -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warn Name
name (SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
SDoc -> Int -> SDoc -> SDoc
hang (String -> SDoc
text String
"Pattern synonym with no type signature:")
Int
2 (String -> SDoc
text String
"pattern" SDoc -> SDoc -> SDoc
<+> Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
name SDoc -> SDoc -> SDoc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
<+> SDoc
pp_ty)
where
name :: Name
name = PatSyn -> Name
patSynName PatSyn
p
pp_ty :: SDoc
pp_ty = PatSyn -> SDoc
pprPatSynType PatSyn
p
add_bind_warn :: Id -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_bind_warn :: Id -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_bind_warn Id
id
= do { TidyEnv
env <- TcM TidyEnv
tcInitTidyEnv
; let name :: Name
name = Id -> Name
idName Id
id
(TidyEnv
_, Type
ty) = TidyEnv -> Type -> (TidyEnv, Type)
tidyOpenType TidyEnv
env (Id -> Type
idType Id
id)
ty_msg :: SDoc
ty_msg = Type -> SDoc
pprSigmaType Type
ty
; Name -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warn Name
name (SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
SDoc -> Int -> SDoc -> SDoc
hang (String -> SDoc
text String
"Top-level binding with no type signature:")
Int
2 (Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
name SDoc -> SDoc -> SDoc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
<+> SDoc
ty_msg) }
add_warn :: Name -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_warn Name
name SDoc
msg
= Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Name
name Name -> Defs -> Bool
`elemNameSet` Defs
sig_ns Bool -> Bool -> Bool
&& Name -> Bool
export_check Name
name)
(WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
flag) (Name -> SrcSpan
forall a. NamedThing a => a -> SrcSpan
getSrcSpan Name
name) SDoc
msg)
export_check :: Name -> Bool
export_check Name
name
= Bool
warn_missing_sigs Bool -> Bool -> Bool
|| Bool -> Bool
not Bool
warn_only_exported Bool -> Bool -> Bool
|| Name
name Name -> Defs -> Bool
`elemNameSet` Defs
exports
; IOEnv (Env TcGblEnv TcLclEnv) ()
add_sig_warns }
warnMissingKindSignatures :: TcGblEnv -> RnM ()
warnMissingKindSignatures :: TcGblEnv -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnMissingKindSignatures TcGblEnv
gbl_env
= do { Bool
warn_missing_kind_sigs <- WarningFlag -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnMissingKindSignatures
; Bool
cusks_enabled <- Extension -> TcRnIf TcGblEnv TcLclEnv Bool
forall gbl lcl. Extension -> TcRnIf gbl lcl Bool
xoptM Extension
LangExt.CUSKs
; Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
warn_missing_kind_sigs) ((TyCon -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [TyCon] -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (Bool -> TyCon -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_ty_warn Bool
cusks_enabled) [TyCon]
tcs)
}
where
tcs :: [TyCon]
tcs = TcGblEnv -> [TyCon]
tcg_tcs TcGblEnv
gbl_env
ksig_ns :: Defs
ksig_ns = TcGblEnv -> Defs
tcg_ksigs TcGblEnv
gbl_env
add_ty_warn :: Bool -> TyCon -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_ty_warn :: Bool -> TyCon -> IOEnv (Env TcGblEnv TcLclEnv) ()
add_ty_warn Bool
cusks_enabled TyCon
tyCon = Bool
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Name
name Name -> Defs -> Bool
`elemNameSet` Defs
ksig_ns) (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
Opt_WarnMissingKindSignatures) (Name -> SrcSpan
forall a. NamedThing a => a -> SrcSpan
getSrcSpan Name
name) (SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
SDoc -> Int -> SDoc -> SDoc
hang SDoc
msg Int
2 (String -> SDoc
text String
"type" SDoc -> SDoc -> SDoc
<+> Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
name SDoc -> SDoc -> SDoc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
<+> SDoc
ki_msg)
where
msg :: SDoc
msg | Bool
cusks_enabled = String -> SDoc
text String
"Top-level type constructor with no standalone kind signature or CUSK:"
| Bool
otherwise = String -> SDoc
text String
"Top-level type constructor with no standalone kind signature:"
name :: Name
name = TyCon -> Name
tyConName TyCon
tyCon
ki :: Type
ki = TyCon -> Type
tyConKind TyCon
tyCon
ki_msg :: SDoc
ki_msg :: SDoc
ki_msg = Type -> SDoc
pprKind Type
ki
type ImportDeclUsage
= ( LImportDecl GhcRn
, [GlobalRdrElt]
, [Name] )
warnUnusedImportDecls :: TcGblEnv -> HscSource -> RnM ()
warnUnusedImportDecls :: TcGblEnv -> HscSource -> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnusedImportDecls TcGblEnv
gbl_env HscSource
hsc_src
= do { [GlobalRdrElt]
uses <- IORef [GlobalRdrElt]
-> IOEnv (Env TcGblEnv TcLclEnv) [GlobalRdrElt]
forall a env. IORef a -> IOEnv env a
readMutVar (TcGblEnv -> IORef [GlobalRdrElt]
tcg_used_gres TcGblEnv
gbl_env)
; let user_imports :: [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
user_imports = (GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> Bool)
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall a. (a -> Bool) -> [a] -> [a]
filterOut
(ImportDecl GhcRn -> Bool
forall pass. ImportDecl pass -> Bool
ideclImplicit (ImportDecl GhcRn -> Bool)
-> (GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> ImportDecl GhcRn)
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> ImportDecl GhcRn
forall l e. GenLocated l e -> e
unLoc)
(TcGblEnv -> [LImportDecl GhcRn]
tcg_rn_imports TcGblEnv
gbl_env)
rdr_env :: GlobalRdrEnv
rdr_env = TcGblEnv -> GlobalRdrEnv
tcg_rdr_env TcGblEnv
gbl_env
fld_env :: NameEnv (FastString, Parent)
fld_env = GlobalRdrEnv -> NameEnv (FastString, Parent)
mkFieldEnv GlobalRdrEnv
rdr_env
; let usage :: [ImportDeclUsage]
usage :: [ImportDeclUsage]
usage = [LImportDecl GhcRn] -> [GlobalRdrElt] -> [ImportDeclUsage]
findImportUsage [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn]
user_imports [GlobalRdrElt]
uses
; String -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
traceRn String
"warnUnusedImportDecls" (SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
([SDoc] -> SDoc
vcat [ String -> SDoc
text String
"Uses:" SDoc -> SDoc -> SDoc
<+> [GlobalRdrElt] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GlobalRdrElt]
uses
, String -> SDoc
text String
"Import usage" SDoc -> SDoc -> SDoc
<+> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
-> SDoc
forall a. Outputable a => a -> SDoc
ppr [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
[ImportDeclUsage]
usage])
; WarningFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
WarningFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenWOptM WarningFlag
Opt_WarnUnusedImports (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
((GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (WarningFlag
-> NameEnv (FastString, Parent)
-> ImportDeclUsage
-> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnusedImport WarningFlag
Opt_WarnUnusedImports NameEnv (FastString, Parent)
fld_env) [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
[ImportDeclUsage]
usage
; GeneralFlag
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall gbl lcl.
GeneralFlag -> TcRnIf gbl lcl () -> TcRnIf gbl lcl ()
whenGOptM GeneralFlag
Opt_D_dump_minimal_imports (IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IOEnv (Env TcGblEnv TcLclEnv) ()
-> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
HscSource -> [ImportDeclUsage] -> IOEnv (Env TcGblEnv TcLclEnv) ()
printMinimalImports HscSource
hsc_src [ImportDeclUsage]
usage }
findImportUsage :: [LImportDecl GhcRn]
-> [GlobalRdrElt]
-> [ImportDeclUsage]
findImportUsage :: [LImportDecl GhcRn] -> [GlobalRdrElt] -> [ImportDeclUsage]
findImportUsage [LImportDecl GhcRn]
imports [GlobalRdrElt]
used_gres
= (GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name]))
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])
LImportDecl GhcRn -> ImportDeclUsage
unused_decl [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn]
imports
where
import_usage :: ImportMap
import_usage :: ImportMap
import_usage = [GlobalRdrElt] -> ImportMap
mkImportMap [GlobalRdrElt]
used_gres
unused_decl :: LImportDecl GhcRn -> (LImportDecl GhcRn, [GlobalRdrElt], [Name])
unused_decl :: LImportDecl GhcRn -> ImportDeclUsage
unused_decl decl :: LImportDecl GhcRn
decl@(L SrcSpanAnnA
loc (ImportDecl { ideclHiding :: forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding = Maybe (Bool, XRec GhcRn [LIE GhcRn])
imps }))
= (LImportDecl GhcRn
decl, [GlobalRdrElt]
used_gres, Defs -> [Name]
nameSetElemsStable Defs
unused_imps)
where
used_gres :: [GlobalRdrElt]
used_gres = SrcLoc -> ImportMap -> Maybe [GlobalRdrElt]
forall a. SrcLoc -> Map RealSrcLoc a -> Maybe a
lookupSrcLoc (SrcSpan -> SrcLoc
srcSpanEnd (SrcSpan -> SrcLoc) -> SrcSpan -> SrcLoc
forall a b. (a -> b) -> a -> b
$ SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc) ImportMap
import_usage
Maybe [GlobalRdrElt] -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. Maybe a -> a -> a
`orElse` []
used_names :: Defs
used_names = [Name] -> Defs
mkNameSet ((GlobalRdrElt -> Name) -> [GlobalRdrElt] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map GlobalRdrElt -> Name
greMangledName [GlobalRdrElt]
used_gres)
used_parents :: Defs
used_parents = [Name] -> Defs
mkNameSet ((GlobalRdrElt -> Maybe Name) -> [GlobalRdrElt] -> [Name]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe GlobalRdrElt -> Maybe Name
greParent_maybe [GlobalRdrElt]
used_gres)
unused_imps :: Defs
unused_imps
= case Maybe (Bool, XRec GhcRn [LIE GhcRn])
imps of
Just (Bool
False, L SrcSpanAnnL
_ [GenLocated SrcSpanAnnA (IE GhcRn)]
imp_ies) ->
(GenLocated SrcSpanAnnA (IE GhcRn) -> Defs -> Defs)
-> Defs -> [GenLocated SrcSpanAnnA (IE GhcRn)] -> Defs
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr (IE GhcRn -> Defs -> Defs
add_unused (IE GhcRn -> Defs -> Defs)
-> (GenLocated SrcSpanAnnA (IE GhcRn) -> IE GhcRn)
-> GenLocated SrcSpanAnnA (IE GhcRn)
-> Defs
-> Defs
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenLocated SrcSpanAnnA (IE GhcRn) -> IE GhcRn
forall l e. GenLocated l e -> e
unLoc) Defs
emptyNameSet [GenLocated SrcSpanAnnA (IE GhcRn)]
imp_ies
Maybe (Bool, XRec GhcRn [LIE GhcRn])
_other -> Defs
emptyNameSet
add_unused :: IE GhcRn -> NameSet -> NameSet
add_unused :: IE GhcRn -> Defs -> Defs
add_unused (IEVar XIEVar GhcRn
_ LIEWrappedName (IdP GhcRn)
n) Defs
acc = Name -> Defs -> Defs
add_unused_name (GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName GenLocated SrcSpanAnnA (IEWrappedName Name)
LIEWrappedName (IdP GhcRn)
n) Defs
acc
add_unused (IEThingAbs XIEThingAbs GhcRn
_ LIEWrappedName (IdP GhcRn)
n) Defs
acc = Name -> Defs -> Defs
add_unused_name (GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName GenLocated SrcSpanAnnA (IEWrappedName Name)
LIEWrappedName (IdP GhcRn)
n) Defs
acc
add_unused (IEThingAll XIEThingAll GhcRn
_ LIEWrappedName (IdP GhcRn)
n) Defs
acc = Name -> Defs -> Defs
add_unused_all (GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName GenLocated SrcSpanAnnA (IEWrappedName Name)
LIEWrappedName (IdP GhcRn)
n) Defs
acc
add_unused (IEThingWith XIEThingWith GhcRn
fs LIEWrappedName (IdP GhcRn)
p IEWildcard
wc [LIEWrappedName (IdP GhcRn)]
ns) Defs
acc =
Defs -> Defs
add_wc_all (Name -> [Name] -> Defs -> Defs
add_unused_with Name
pn [Name]
xs Defs
acc)
where pn :: Name
pn = GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName GenLocated SrcSpanAnnA (IEWrappedName Name)
LIEWrappedName (IdP GhcRn)
p
xs :: [Name]
xs = (GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name)
-> [GenLocated SrcSpanAnnA (IEWrappedName Name)] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (IEWrappedName Name) -> Name
forall name. LIEWrappedName name -> name
lieWrappedName [GenLocated SrcSpanAnnA (IEWrappedName Name)]
[LIEWrappedName (IdP GhcRn)]
ns [Name] -> [Name] -> [Name]
forall a. [a] -> [a] -> [a]
++ (Located FieldLabel -> Name) -> [Located FieldLabel] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map (FieldLabel -> Name
flSelector (FieldLabel -> Name)
-> (Located FieldLabel -> FieldLabel) -> Located FieldLabel -> Name
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Located FieldLabel -> FieldLabel
forall l e. GenLocated l e -> e
unLoc) [Located FieldLabel]
XIEThingWith GhcRn
fs
add_wc_all :: Defs -> Defs
add_wc_all = case IEWildcard
wc of
IEWildcard
NoIEWildcard -> Defs -> Defs
forall a. a -> a
id
IEWildcard Int
_ -> Name -> Defs -> Defs
add_unused_all Name
pn
add_unused IE GhcRn
_ Defs
acc = Defs
acc
add_unused_name :: Name -> Defs -> Defs
add_unused_name Name
n Defs
acc
| Name
n Name -> Defs -> Bool
`elemNameSet` Defs
used_names = Defs
acc
| Bool
otherwise = Defs
acc Defs -> Name -> Defs
`extendNameSet` Name
n
add_unused_all :: Name -> Defs -> Defs
add_unused_all Name
n Defs
acc
| Name
n Name -> Defs -> Bool
`elemNameSet` Defs
used_names = Defs
acc
| Name
n Name -> Defs -> Bool
`elemNameSet` Defs
used_parents = Defs
acc
| Bool
otherwise = Defs
acc Defs -> Name -> Defs
`extendNameSet` Name
n
add_unused_with :: Name -> [Name] -> Defs -> Defs
add_unused_with Name
p [Name]
ns Defs
acc
| (Name -> Bool) -> [Name] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all (Name -> Defs -> Bool
`elemNameSet` Defs
acc1) [Name]
ns = Name -> Defs -> Defs
add_unused_name Name
p Defs
acc1
| Bool
otherwise = Defs
acc1
where
acc1 :: Defs
acc1 = (Name -> Defs -> Defs) -> Defs -> [Name] -> Defs
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr Name -> Defs -> Defs
add_unused_name Defs
acc [Name]
ns
type ImportMap = Map RealSrcLoc [GlobalRdrElt]
mkImportMap :: [GlobalRdrElt] -> ImportMap
mkImportMap :: [GlobalRdrElt] -> ImportMap
mkImportMap [GlobalRdrElt]
gres
= (GlobalRdrElt -> ImportMap -> ImportMap)
-> ImportMap -> [GlobalRdrElt] -> ImportMap
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr GlobalRdrElt -> ImportMap -> ImportMap
add_one ImportMap
forall k a. Map k a
Map.empty [GlobalRdrElt]
gres
where
add_one :: GlobalRdrElt -> ImportMap -> ImportMap
add_one gre :: GlobalRdrElt
gre@(GRE { gre_imp :: GlobalRdrElt -> [ImportSpec]
gre_imp = [ImportSpec]
imp_specs }) ImportMap
imp_map =
case SrcSpan -> SrcLoc
srcSpanEnd (ImpDeclSpec -> SrcSpan
is_dloc (ImportSpec -> ImpDeclSpec
is_decl ImportSpec
best_imp_spec)) of
RealSrcLoc RealSrcLoc
decl_loc Maybe BufPos
_ -> ([GlobalRdrElt] -> [GlobalRdrElt] -> [GlobalRdrElt])
-> RealSrcLoc -> [GlobalRdrElt] -> ImportMap -> ImportMap
forall k a. Ord k => (a -> a -> a) -> k -> a -> Map k a -> Map k a
Map.insertWith [GlobalRdrElt] -> [GlobalRdrElt] -> [GlobalRdrElt]
add RealSrcLoc
decl_loc [GlobalRdrElt
gre] ImportMap
imp_map
UnhelpfulLoc FastString
_ -> ImportMap
imp_map
where
best_imp_spec :: ImportSpec
best_imp_spec = [ImportSpec] -> ImportSpec
bestImport [ImportSpec]
imp_specs
add :: [GlobalRdrElt] -> [GlobalRdrElt] -> [GlobalRdrElt]
add [GlobalRdrElt]
_ [GlobalRdrElt]
gres = GlobalRdrElt
gre GlobalRdrElt -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. a -> [a] -> [a]
: [GlobalRdrElt]
gres
warnUnusedImport :: WarningFlag -> NameEnv (FieldLabelString, Parent)
-> ImportDeclUsage -> RnM ()
warnUnusedImport :: WarningFlag
-> NameEnv (FastString, Parent)
-> ImportDeclUsage
-> IOEnv (Env TcGblEnv TcLclEnv) ()
warnUnusedImport WarningFlag
flag NameEnv (FastString, Parent)
fld_env (L SrcSpanAnnA
loc ImportDecl GhcRn
decl, [GlobalRdrElt]
used, [Name]
unused)
| Just (Bool
False,L SrcSpanAnnL
_ []) <- ImportDecl GhcRn -> Maybe (Bool, XRec GhcRn [LIE GhcRn])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding ImportDecl GhcRn
decl
= () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
| Just (Bool
True, L SrcSpanAnnL
_ [GenLocated SrcSpanAnnA (IE GhcRn)]
hides) <- ImportDecl GhcRn -> Maybe (Bool, XRec GhcRn [LIE GhcRn])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding ImportDecl GhcRn
decl
, Bool -> Bool
not ([GenLocated SrcSpanAnnA (IE GhcRn)] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [GenLocated SrcSpanAnnA (IE GhcRn)]
hides)
, ModuleName
pRELUDE_NAME ModuleName -> ModuleName -> Bool
forall a. Eq a => a -> a -> Bool
== GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc (ImportDecl GhcRn -> XRec GhcRn ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName ImportDecl GhcRn
decl)
= () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
| [GlobalRdrElt] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [GlobalRdrElt]
used
= WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
flag) (SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc) SDoc
msg1
| [Name] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Name]
unused
= () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
| Just (Bool
_, L SrcSpanAnnL
_ [GenLocated SrcSpanAnnA (IE GhcRn)]
imports) <- ImportDecl GhcRn -> Maybe (Bool, XRec GhcRn [LIE GhcRn])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding ImportDecl GhcRn
decl
, [Name] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [Name]
unused Int -> Int -> Bool
forall a. Eq a => a -> a -> Bool
== Int
1
, Just (L SrcSpanAnnA
loc IE GhcRn
_) <- (GenLocated SrcSpanAnnA (IE GhcRn) -> Bool)
-> [GenLocated SrcSpanAnnA (IE GhcRn)]
-> Maybe (GenLocated SrcSpanAnnA (IE GhcRn))
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find (\(L SrcSpanAnnA
_ IE GhcRn
ie) -> ((IE GhcRn -> IdP GhcRn
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcRn
ie) :: Name) Name -> [Name] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [Name]
unused) [GenLocated SrcSpanAnnA (IE GhcRn)]
imports
= WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
flag) (SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc) SDoc
msg2
| Bool
otherwise
= WarnReason -> SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addWarnAt (WarningFlag -> WarnReason
Reason WarningFlag
flag) (SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc) SDoc
msg2
where
msg1 :: SDoc
msg1 = [SDoc] -> SDoc
vcat [ SDoc
pp_herald SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes SDoc
pp_mod SDoc -> SDoc -> SDoc
<+> SDoc
is_redundant
, Int -> SDoc -> SDoc
nest Int
2 (String -> SDoc
text String
"except perhaps to import instances from"
SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes SDoc
pp_mod)
, String -> SDoc
text String
"To import instances alone, use:"
SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"import" SDoc -> SDoc -> SDoc
<+> SDoc
pp_mod SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens SDoc
Outputable.empty ]
msg2 :: SDoc
msg2 = [SDoc] -> SDoc
sep [ SDoc
pp_herald SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes SDoc
sort_unused
, String -> SDoc
text String
"from module" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes SDoc
pp_mod SDoc -> SDoc -> SDoc
<+> SDoc
is_redundant]
pp_herald :: SDoc
pp_herald = String -> SDoc
text String
"The" SDoc -> SDoc -> SDoc
<+> SDoc
pp_qual SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"import of"
pp_qual :: SDoc
pp_qual
| ImportDeclQualifiedStyle -> Bool
isImportDeclQualified (ImportDecl GhcRn -> ImportDeclQualifiedStyle
forall pass. ImportDecl pass -> ImportDeclQualifiedStyle
ideclQualified ImportDecl GhcRn
decl)= String -> SDoc
text String
"qualified"
| Bool
otherwise = SDoc
Outputable.empty
pp_mod :: SDoc
pp_mod = ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc (ImportDecl GhcRn -> XRec GhcRn ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName ImportDecl GhcRn
decl))
is_redundant :: SDoc
is_redundant = String -> SDoc
text String
"is redundant"
ppr_possible_field :: Name -> SDoc
ppr_possible_field Name
n = case NameEnv (FastString, Parent) -> Name -> Maybe (FastString, Parent)
forall a. NameEnv a -> Name -> Maybe a
lookupNameEnv NameEnv (FastString, Parent)
fld_env Name
n of
Just (FastString
fld, ParentIs Name
p) -> Name -> SDoc
pprNameUnqualified Name
p SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens (FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FastString
fld)
Just (FastString
fld, Parent
NoParent) -> FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FastString
fld
Maybe (FastString, Parent)
Nothing -> Name -> SDoc
pprNameUnqualified Name
n
sort_unused :: SDoc
sort_unused :: SDoc
sort_unused = (Name -> SDoc) -> [Name] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas Name -> SDoc
ppr_possible_field ([Name] -> SDoc) -> [Name] -> SDoc
forall a b. (a -> b) -> a -> b
$
(Name -> Name -> Ordering) -> [Name] -> [Name]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy ((Name -> OccName) -> Name -> Name -> Ordering
forall a b. Ord a => (b -> a) -> b -> b -> Ordering
comparing Name -> OccName
nameOccName) [Name]
unused
getMinimalImports :: [ImportDeclUsage] -> RnM [LImportDecl GhcRn]
getMinimalImports :: [ImportDeclUsage] -> RnM [LImportDecl GhcRn]
getMinimalImports = ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)])
-> IOEnv
(Env TcGblEnv TcLclEnv) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> IOEnv
(Env TcGblEnv TcLclEnv) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn] -> [LImportDecl GhcRn]
combine (IOEnv
(Env TcGblEnv TcLclEnv) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> IOEnv
(Env TcGblEnv TcLclEnv)
[GenLocated SrcSpanAnnA (ImportDecl GhcRn)])
-> ([(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
-> IOEnv
(Env TcGblEnv TcLclEnv)
[GenLocated SrcSpanAnnA (ImportDecl GhcRn)])
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
-> IOEnv
(Env TcGblEnv TcLclEnv) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])
-> IOEnv
(Env TcGblEnv TcLclEnv)
(GenLocated SrcSpanAnnA (ImportDecl GhcRn)))
-> [(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt],
[Name])]
-> IOEnv
(Env TcGblEnv TcLclEnv) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt], [Name])
-> IOEnv
(Env TcGblEnv TcLclEnv) (GenLocated SrcSpanAnnA (ImportDecl GhcRn))
forall {t :: * -> *} {a}.
Foldable t =>
(GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt], t a)
-> IOEnv
(Env TcGblEnv TcLclEnv) (GenLocated SrcSpanAnnA (ImportDecl GhcRn))
mk_minimal
where
mk_minimal :: (GenLocated SrcSpanAnnA (ImportDecl GhcRn), [GlobalRdrElt], t a)
-> IOEnv
(Env TcGblEnv TcLclEnv) (GenLocated SrcSpanAnnA (ImportDecl GhcRn))
mk_minimal (L SrcSpanAnnA
l ImportDecl GhcRn
decl, [GlobalRdrElt]
used_gres, t a
unused)
| t a -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null t a
unused
, Just (Bool
False, XRec GhcRn [LIE GhcRn]
_) <- ImportDecl GhcRn -> Maybe (Bool, XRec GhcRn [LIE GhcRn])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding ImportDecl GhcRn
decl
= GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> IOEnv
(Env TcGblEnv TcLclEnv) (GenLocated SrcSpanAnnA (ImportDecl GhcRn))
forall (m :: * -> *) a. Monad m => a -> m a
return (SrcSpanAnnA
-> ImportDecl GhcRn -> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l ImportDecl GhcRn
decl)
| Bool
otherwise
= do { let ImportDecl { ideclName :: forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName = L SrcSpanAnnA
_ ModuleName
mod_name
, ideclSource :: forall pass. ImportDecl pass -> IsBootInterface
ideclSource = IsBootInterface
is_boot
, ideclPkgQual :: forall pass. ImportDecl pass -> Maybe StringLiteral
ideclPkgQual = Maybe StringLiteral
mb_pkg } = ImportDecl GhcRn
decl
; ModIface
iface <- SDoc
-> ModuleName
-> IsBootInterface
-> Maybe FastString
-> RnM ModIface
loadSrcInterface SDoc
doc ModuleName
mod_name IsBootInterface
is_boot ((StringLiteral -> FastString)
-> Maybe StringLiteral -> Maybe FastString
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap StringLiteral -> FastString
sl_fs Maybe StringLiteral
mb_pkg)
; let used_avails :: [AvailInfo]
used_avails = [GlobalRdrElt] -> [AvailInfo]
gresToAvailInfo [GlobalRdrElt]
used_gres
lies :: [GenLocated SrcSpanAnnA (IE GhcRn)]
lies = (IE GhcRn -> GenLocated SrcSpanAnnA (IE GhcRn))
-> [IE GhcRn] -> [GenLocated SrcSpanAnnA (IE GhcRn)]
forall a b. (a -> b) -> [a] -> [b]
map (SrcSpanAnnA -> IE GhcRn -> GenLocated SrcSpanAnnA (IE GhcRn)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l) ((AvailInfo -> [IE GhcRn]) -> [AvailInfo] -> [IE GhcRn]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (ModIface -> AvailInfo -> [IE GhcRn]
to_ie ModIface
iface) [AvailInfo]
used_avails)
; GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> IOEnv
(Env TcGblEnv TcLclEnv) (GenLocated SrcSpanAnnA (ImportDecl GhcRn))
forall (m :: * -> *) a. Monad m => a -> m a
return (SrcSpanAnnA
-> ImportDecl GhcRn -> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (ImportDecl GhcRn
decl { ideclHiding :: Maybe (Bool, XRec GhcRn [LIE GhcRn])
ideclHiding = (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)])
-> Maybe (Bool, LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)])
forall a. a -> Maybe a
Just (Bool
False, SrcSpanAnnL
-> [GenLocated SrcSpanAnnA (IE GhcRn)]
-> LocatedL [GenLocated SrcSpanAnnA (IE GhcRn)]
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnL
forall a ann. SrcSpanAnn' a -> SrcAnn ann
l2l SrcSpanAnnA
l) [GenLocated SrcSpanAnnA (IE GhcRn)]
lies) })) }
where
doc :: SDoc
doc = String -> SDoc
text String
"Compute minimal imports for" SDoc -> SDoc -> SDoc
<+> ImportDecl GhcRn -> SDoc
forall a. Outputable a => a -> SDoc
ppr ImportDecl GhcRn
decl
to_ie :: ModIface -> AvailInfo -> [IE GhcRn]
to_ie :: ModIface -> AvailInfo -> [IE GhcRn]
to_ie ModIface
_ (Avail GreName
c)
= [XIEVar GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass. XIEVar pass -> LIEWrappedName (IdP pass) -> IE pass
IEVar NoExtField
XIEVar GhcRn
noExtField (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn))
-> LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA (GreName -> Name
greNamePrintableName GreName
c))]
to_ie ModIface
_ avail :: AvailInfo
avail@(AvailTC Name
n [GreName
_])
| AvailInfo -> Bool
availExportsDecl AvailInfo
avail = [XIEThingAbs GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass.
XIEThingAbs pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAbs XIEThingAbs GhcRn
forall a. EpAnn a
noAnn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn))
-> LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA Name
n)]
to_ie ModIface
iface (AvailTC Name
n [GreName]
cs)
= case [[GreName]
xs | avail :: AvailInfo
avail@(AvailTC Name
x [GreName]
xs) <- ModIface -> [AvailInfo]
forall (phase :: ModIfacePhase). ModIface_ phase -> [AvailInfo]
mi_exports ModIface
iface
, Name
x Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
== Name
n
, AvailInfo -> Bool
availExportsDecl AvailInfo
avail
] of
[[GreName]
xs] | [GreName] -> Bool
all_used [GreName]
xs ->
[XIEThingAll GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass.
XIEThingAll pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAll XIEThingAll GhcRn
forall a. EpAnn a
noAnn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn))
-> LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA Name
n)]
| Bool
otherwise ->
[XIEThingWith GhcRn
-> LIEWrappedName (IdP GhcRn)
-> IEWildcard
-> [LIEWrappedName (IdP GhcRn)]
-> IE GhcRn
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith ((FieldLabel -> Located FieldLabel)
-> [FieldLabel] -> [Located FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map FieldLabel -> Located FieldLabel
forall e. e -> Located e
noLoc [FieldLabel]
fs) (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn))
-> LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA Name
n) IEWildcard
NoIEWildcard
((Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> [Name] -> [GenLocated SrcSpanAnnA (IEWrappedName Name)]
forall a b. (a -> b) -> [a] -> [b]
map (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> (Name -> LocatedA Name)
-> Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA) ((Name -> Bool) -> [Name] -> [Name]
forall a. (a -> Bool) -> [a] -> [a]
filter (Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
/= Name
n) [Name]
ns))]
[[GreName]]
_other | [FieldLabel] -> Bool
all_non_overloaded [FieldLabel]
fs
-> (Name -> IE GhcRn) -> [Name] -> [IE GhcRn]
forall a b. (a -> b) -> [a] -> [b]
map (XIEVar GhcRn -> LIEWrappedName (IdP GhcRn) -> IE GhcRn
forall pass. XIEVar pass -> LIEWrappedName (IdP pass) -> IE pass
IEVar NoExtField
XIEVar GhcRn
noExtField (GenLocated SrcSpanAnnA (IEWrappedName Name) -> IE GhcRn)
-> (Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> Name
-> IE GhcRn
forall b c a. (b -> c) -> (a -> b) -> a -> c
. LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn_var (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> (Name -> LocatedA Name)
-> Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA) ([Name] -> [IE GhcRn]) -> [Name] -> [IE GhcRn]
forall a b. (a -> b) -> a -> b
$ [Name]
ns
[Name] -> [Name] -> [Name]
forall a. [a] -> [a] -> [a]
++ (FieldLabel -> Name) -> [FieldLabel] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map FieldLabel -> Name
flSelector [FieldLabel]
fs
| Bool
otherwise ->
[XIEThingWith GhcRn
-> LIEWrappedName (IdP GhcRn)
-> IEWildcard
-> [LIEWrappedName (IdP GhcRn)]
-> IE GhcRn
forall pass.
XIEThingWith pass
-> LIEWrappedName (IdP pass)
-> IEWildcard
-> [LIEWrappedName (IdP pass)]
-> IE pass
IEThingWith ((FieldLabel -> Located FieldLabel)
-> [FieldLabel] -> [Located FieldLabel]
forall a b. (a -> b) -> [a] -> [b]
map FieldLabel -> Located FieldLabel
forall e. e -> Located e
noLoc [FieldLabel]
fs) (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn))
-> LocatedA (IdP GhcRn) -> LIEWrappedName (IdP GhcRn)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA Name
n) IEWildcard
NoIEWildcard
((Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> [Name] -> [GenLocated SrcSpanAnnA (IEWrappedName Name)]
forall a b. (a -> b) -> [a] -> [b]
map (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (LocatedA Name -> GenLocated SrcSpanAnnA (IEWrappedName Name))
-> (Name -> LocatedA Name)
-> Name
-> GenLocated SrcSpanAnnA (IEWrappedName Name)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> LocatedA Name
forall a an. a -> LocatedAn an a
noLocA) ((Name -> Bool) -> [Name] -> [Name]
forall a. (a -> Bool) -> [a] -> [a]
filter (Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
/= Name
n) [Name]
ns))]
where
([Name]
ns, [FieldLabel]
fs) = [GreName] -> ([Name], [FieldLabel])
partitionGreNames [GreName]
cs
all_used :: [GreName] -> Bool
all_used [GreName]
avail_cs = (GreName -> Bool) -> [GreName] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all (GreName -> [GreName] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [GreName]
cs) [GreName]
avail_cs
all_non_overloaded :: [FieldLabel] -> Bool
all_non_overloaded = (FieldLabel -> Bool) -> [FieldLabel] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all (Bool -> Bool
not (Bool -> Bool) -> (FieldLabel -> Bool) -> FieldLabel -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FieldLabel -> Bool
flIsOverloaded)
combine :: [LImportDecl GhcRn] -> [LImportDecl GhcRn]
combine :: [LImportDecl GhcRn] -> [LImportDecl GhcRn]
combine = ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn))
-> [[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall a b. (a -> b) -> [a] -> [b]
map [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
[LImportDecl GhcRn] -> LImportDecl GhcRn
merge ([[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)])
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]])
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> Bool)
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]]
forall a. (a -> a -> Bool) -> [a] -> [[a]]
groupBy ((Bool, Maybe ModuleName, ModuleName)
-> (Bool, Maybe ModuleName, ModuleName) -> Bool
forall a. Eq a => a -> a -> Bool
(==) ((Bool, Maybe ModuleName, ModuleName)
-> (Bool, Maybe ModuleName, ModuleName) -> Bool)
-> (GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (Bool, Maybe ModuleName, ModuleName))
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> Bool
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (Bool, Maybe ModuleName, ModuleName)
LImportDecl GhcRn -> (Bool, Maybe ModuleName, ModuleName)
getKey) ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]])
-> ([GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)])
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [[GenLocated SrcSpanAnnA (ImportDecl GhcRn)]]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (Bool, Maybe ModuleName, ModuleName))
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
forall b a. Ord b => (a -> b) -> [a] -> [a]
sortOn GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> (Bool, Maybe ModuleName, ModuleName)
LImportDecl GhcRn -> (Bool, Maybe ModuleName, ModuleName)
getKey
getKey :: LImportDecl GhcRn -> (Bool, Maybe ModuleName, ModuleName)
getKey :: LImportDecl GhcRn -> (Bool, Maybe ModuleName, ModuleName)
getKey LImportDecl GhcRn
decl =
( ImportDeclQualifiedStyle -> Bool
isImportDeclQualified (ImportDeclQualifiedStyle -> Bool)
-> (ImportDecl GhcRn -> ImportDeclQualifiedStyle)
-> ImportDecl GhcRn
-> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ImportDecl GhcRn -> ImportDeclQualifiedStyle
forall pass. ImportDecl pass -> ImportDeclQualifiedStyle
ideclQualified (ImportDecl GhcRn -> Bool) -> ImportDecl GhcRn -> Bool
forall a b. (a -> b) -> a -> b
$ ImportDecl GhcRn
idecl
, GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc (GenLocated SrcSpanAnnA ModuleName -> ModuleName)
-> Maybe (GenLocated SrcSpanAnnA ModuleName) -> Maybe ModuleName
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> ImportDecl GhcRn -> Maybe (XRec GhcRn ModuleName)
forall pass. ImportDecl pass -> Maybe (XRec pass ModuleName)
ideclAs ImportDecl GhcRn
idecl
, GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc (GenLocated SrcSpanAnnA ModuleName -> ModuleName)
-> (ImportDecl GhcRn -> GenLocated SrcSpanAnnA ModuleName)
-> ImportDecl GhcRn
-> ModuleName
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ImportDecl GhcRn -> GenLocated SrcSpanAnnA ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName (ImportDecl GhcRn -> ModuleName) -> ImportDecl GhcRn -> ModuleName
forall a b. (a -> b) -> a -> b
$ ImportDecl GhcRn
idecl
)
where
idecl :: ImportDecl GhcRn
idecl :: ImportDecl GhcRn
idecl = GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> ImportDecl GhcRn
forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnA (ImportDecl GhcRn)
LImportDecl GhcRn
decl
merge :: [LImportDecl GhcRn] -> LImportDecl GhcRn
merge :: [LImportDecl GhcRn] -> LImportDecl GhcRn
merge [] = String -> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
forall a. HasCallStack => String -> a
error String
"getMinimalImports: unexpected empty list"
merge decls :: [LImportDecl GhcRn]
decls@((L SrcSpanAnnA
l ImportDecl GhcRn
decl) : [LImportDecl GhcRn]
_) = SrcSpanAnnA
-> ImportDecl GhcRn -> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (ImportDecl GhcRn
decl { ideclHiding :: Maybe (Bool, XRec GhcRn [LIE GhcRn])
ideclHiding = (Bool, LocatedL [LIE GhcRn]) -> Maybe (Bool, LocatedL [LIE GhcRn])
forall a. a -> Maybe a
Just (Bool
False, SrcSpanAnnL -> [LIE GhcRn] -> LocatedL [LIE GhcRn]
forall l e. l -> e -> GenLocated l e
L (SrcSpan -> SrcSpanAnnL
forall ann. SrcSpan -> SrcAnn ann
noAnnSrcSpan (SrcSpanAnnA -> SrcSpan
forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
l)) [LIE GhcRn]
lies) })
where lies :: [LIE GhcRn]
lies = ((Bool, LocatedL [LIE GhcRn]) -> [LIE GhcRn])
-> [(Bool, LocatedL [LIE GhcRn])] -> [LIE GhcRn]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (LocatedL [LIE GhcRn] -> [LIE GhcRn]
forall l e. GenLocated l e -> e
unLoc (LocatedL [LIE GhcRn] -> [LIE GhcRn])
-> ((Bool, LocatedL [LIE GhcRn]) -> LocatedL [LIE GhcRn])
-> (Bool, LocatedL [LIE GhcRn])
-> [LIE GhcRn]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Bool, LocatedL [LIE GhcRn]) -> LocatedL [LIE GhcRn]
forall a b. (a, b) -> b
snd) ([(Bool, LocatedL [LIE GhcRn])] -> [LIE GhcRn])
-> [(Bool, LocatedL [LIE GhcRn])] -> [LIE GhcRn]
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> Maybe (Bool, LocatedL [LIE GhcRn]))
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
-> [(Bool, LocatedL [LIE GhcRn])]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe (ImportDecl GhcRn -> Maybe (Bool, LocatedL [LIE GhcRn])
forall pass. ImportDecl pass -> Maybe (Bool, XRec pass [LIE pass])
ideclHiding (ImportDecl GhcRn -> Maybe (Bool, LocatedL [LIE GhcRn]))
-> (GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> ImportDecl GhcRn)
-> GenLocated SrcSpanAnnA (ImportDecl GhcRn)
-> Maybe (Bool, LocatedL [LIE GhcRn])
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> ImportDecl GhcRn
forall l e. GenLocated l e -> e
unLoc) [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
[LImportDecl GhcRn]
decls
printMinimalImports :: HscSource -> [ImportDeclUsage] -> RnM ()
printMinimalImports :: HscSource -> [ImportDeclUsage] -> IOEnv (Env TcGblEnv TcLclEnv) ()
printMinimalImports HscSource
hsc_src [ImportDeclUsage]
imports_w_usage
= do { [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
imports' <- [ImportDeclUsage] -> RnM [LImportDecl GhcRn]
getMinimalImports [ImportDeclUsage]
imports_w_usage
; Module
this_mod <- IOEnv (Env TcGblEnv TcLclEnv) Module
forall (m :: * -> *). HasModule m => m Module
getModule
; DynFlags
dflags <- IOEnv (Env TcGblEnv TcLclEnv) DynFlags
forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
; IO () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> IO () -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$ String -> IOMode -> (Handle -> IO ()) -> IO ()
forall r. String -> IOMode -> (Handle -> IO r) -> IO r
withFile (DynFlags -> Module -> String
mkFilename DynFlags
dflags Module
this_mod) IOMode
WriteMode ((Handle -> IO ()) -> IO ()) -> (Handle -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Handle
h ->
DynFlags -> Handle -> PrintUnqualified -> Depth -> SDoc -> IO ()
printForUser DynFlags
dflags Handle
h PrintUnqualified
neverQualify Depth
AllTheWay ([SDoc] -> SDoc
vcat ((GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> SDoc)
-> [GenLocated SrcSpanAnnA (ImportDecl GhcRn)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (ImportDecl GhcRn) -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GenLocated SrcSpanAnnA (ImportDecl GhcRn)]
imports'))
}
where
mkFilename :: DynFlags -> Module -> String
mkFilename DynFlags
dflags Module
this_mod
| Just String
d <- DynFlags -> Maybe String
dumpDir DynFlags
dflags = String
d String -> String -> String
</> String
basefn
| Bool
otherwise = String
basefn
where
suffix :: String
suffix = case HscSource
hsc_src of
HscSource
HsBootFile -> String
".imports-boot"
HscSource
HsSrcFile -> String
".imports"
HscSource
HsigFile -> String
".imports"
basefn :: String
basefn = ModuleName -> String
moduleNameString (Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName Module
this_mod) String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
suffix
to_ie_post_rn_var :: (HasOccName name) => LocatedA name -> LIEWrappedName name
to_ie_post_rn_var :: forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn_var (L SrcSpanAnnA
l name
n)
| OccName -> Bool
isDataOcc (OccName -> Bool) -> OccName -> Bool
forall a b. (a -> b) -> a -> b
$ name -> OccName
forall name. HasOccName name => name -> OccName
occName name
n = SrcSpanAnnA
-> IEWrappedName name
-> GenLocated SrcSpanAnnA (IEWrappedName name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (EpaLocation -> LocatedN name -> IEWrappedName name
forall name. EpaLocation -> LocatedN name -> IEWrappedName name
IEPattern (RealSrcSpan -> EpaLocation
EpaSpan (RealSrcSpan -> EpaLocation) -> RealSrcSpan -> EpaLocation
forall a b. (a -> b) -> a -> b
$ SrcSpanAnnA -> RealSrcSpan
forall a. SrcSpanAnn' a -> RealSrcSpan
la2r SrcSpanAnnA
l) (SrcSpanAnnN -> name -> LocatedN name
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnN
forall a. SrcSpanAnn' a -> SrcSpanAnnN
la2na SrcSpanAnnA
l) name
n))
| Bool
otherwise = SrcSpanAnnA
-> IEWrappedName name
-> GenLocated SrcSpanAnnA (IEWrappedName name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (LocatedN name -> IEWrappedName name
forall name. LocatedN name -> IEWrappedName name
IEName (SrcSpanAnnN -> name -> LocatedN name
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnN
forall a. SrcSpanAnn' a -> SrcSpanAnnN
la2na SrcSpanAnnA
l) name
n))
to_ie_post_rn :: (HasOccName name) => LocatedA name -> LIEWrappedName name
to_ie_post_rn :: forall name.
HasOccName name =>
LocatedA name -> LIEWrappedName name
to_ie_post_rn (L SrcSpanAnnA
l name
n)
| OccName -> Bool
isTcOcc OccName
occ Bool -> Bool -> Bool
&& OccName -> Bool
isSymOcc OccName
occ = SrcSpanAnnA
-> IEWrappedName name
-> GenLocated SrcSpanAnnA (IEWrappedName name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (EpaLocation -> LocatedN name -> IEWrappedName name
forall name. EpaLocation -> LocatedN name -> IEWrappedName name
IEType (RealSrcSpan -> EpaLocation
EpaSpan (RealSrcSpan -> EpaLocation) -> RealSrcSpan -> EpaLocation
forall a b. (a -> b) -> a -> b
$ SrcSpanAnnA -> RealSrcSpan
forall a. SrcSpanAnn' a -> RealSrcSpan
la2r SrcSpanAnnA
l) (SrcSpanAnnN -> name -> LocatedN name
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnN
forall a. SrcSpanAnn' a -> SrcSpanAnnN
la2na SrcSpanAnnA
l) name
n))
| Bool
otherwise = SrcSpanAnnA
-> IEWrappedName name
-> GenLocated SrcSpanAnnA (IEWrappedName name)
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
l (LocatedN name -> IEWrappedName name
forall name. LocatedN name -> IEWrappedName name
IEName (SrcSpanAnnN -> name -> LocatedN name
forall l e. l -> e -> GenLocated l e
L (SrcSpanAnnA -> SrcSpanAnnN
forall a. SrcSpanAnn' a -> SrcSpanAnnN
la2na SrcSpanAnnA
l) name
n))
where occ :: OccName
occ = name -> OccName
forall name. HasOccName name => name -> OccName
occName name
n
qualImportItemErr :: RdrName -> SDoc
qualImportItemErr :: RdrName -> SDoc
qualImportItemErr RdrName
rdr
= SDoc -> Int -> SDoc -> SDoc
hang (String -> SDoc
text String
"Illegal qualified name in import item:")
Int
2 (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr)
ambiguousImportItemErr :: RdrName -> [AvailInfo] -> SDoc
ambiguousImportItemErr :: RdrName -> [AvailInfo] -> SDoc
ambiguousImportItemErr RdrName
rdr [AvailInfo]
avails
= SDoc -> Int -> SDoc -> SDoc
hang (String -> SDoc
text String
"Ambiguous name" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr) SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"in import item. It could refer to:")
Int
2 ([SDoc] -> SDoc
vcat ((AvailInfo -> SDoc) -> [AvailInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map AvailInfo -> SDoc
ppr_avail [AvailInfo]
avails))
where
ppr_avail :: AvailInfo -> SDoc
ppr_avail (AvailTC Name
parent [GreName]
_) = Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
parent SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr)
ppr_avail (Avail GreName
name) = GreName -> SDoc
forall a. Outputable a => a -> SDoc
ppr GreName
name
pprImpDeclSpec :: ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec :: ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec =
SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (ImpDeclSpec -> ModuleName
is_mod ImpDeclSpec
decl_spec)) SDoc -> SDoc -> SDoc
<+> case ModIface -> IsBootInterface
mi_boot ModIface
iface of
IsBootInterface
IsBoot -> String -> SDoc
text String
"(hi-boot interface)"
IsBootInterface
NotBoot -> SDoc
Outputable.empty
badImportItemErrStd :: ModIface -> ImpDeclSpec -> IE GhcPs -> SDoc
badImportItemErrStd :: ModIface -> ImpDeclSpec -> IE GhcPs -> SDoc
badImportItemErrStd ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie
= [SDoc] -> SDoc
sep [String -> SDoc
text String
"Module", ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec,
String -> SDoc
text String
"does not export", SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie)]
badImportItemErrDataCon :: OccName -> ModIface -> ImpDeclSpec -> IE GhcPs
-> SDoc
badImportItemErrDataCon :: OccName -> ModIface -> ImpDeclSpec -> IE GhcPs -> SDoc
badImportItemErrDataCon OccName
dataType_occ ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie
= [SDoc] -> SDoc
vcat [ String -> SDoc
text String
"In module"
SDoc -> SDoc -> SDoc
<+> ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec
SDoc -> SDoc -> SDoc
<> SDoc
colon
, Int -> SDoc -> SDoc
nest Int
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
quotes SDoc
datacon
SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"is a data constructor of"
SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes SDoc
dataType
, String -> SDoc
text String
"To import it use"
, Int -> SDoc -> SDoc
nest Int
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ String -> SDoc
text String
"import"
SDoc -> SDoc -> SDoc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (ImpDeclSpec -> ModuleName
is_mod ImpDeclSpec
decl_spec)
SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens_sp (SDoc
dataType SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens_sp SDoc
datacon)
, String -> SDoc
text String
"or"
, Int -> SDoc -> SDoc
nest Int
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ String -> SDoc
text String
"import"
SDoc -> SDoc -> SDoc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (ImpDeclSpec -> ModuleName
is_mod ImpDeclSpec
decl_spec)
SDoc -> SDoc -> SDoc
<> SDoc -> SDoc
parens_sp (SDoc
dataType SDoc -> SDoc -> SDoc
<> String -> SDoc
text String
"(..)")
]
where
datacon_occ :: OccName
datacon_occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
datacon :: SDoc
datacon = OccName -> SDoc -> SDoc
parenSymOcc OccName
datacon_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
datacon_occ)
dataType :: SDoc
dataType = OccName -> SDoc -> SDoc
parenSymOcc OccName
dataType_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
dataType_occ)
parens_sp :: SDoc -> SDoc
parens_sp SDoc
d = SDoc -> SDoc
parens (SDoc
space SDoc -> SDoc -> SDoc
<> SDoc
d SDoc -> SDoc -> SDoc
<> SDoc
space)
badImportItemErr :: ModIface -> ImpDeclSpec -> IE GhcPs -> [AvailInfo] -> SDoc
badImportItemErr :: ModIface -> ImpDeclSpec -> IE GhcPs -> [AvailInfo] -> SDoc
badImportItemErr ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie [AvailInfo]
avails
= case (AvailInfo -> Bool) -> [AvailInfo] -> Maybe AvailInfo
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find AvailInfo -> Bool
checkIfDataCon [AvailInfo]
avails of
Just AvailInfo
con -> OccName -> ModIface -> ImpDeclSpec -> IE GhcPs -> SDoc
badImportItemErrDataCon (AvailInfo -> OccName
availOccName AvailInfo
con) ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie
Maybe AvailInfo
Nothing -> ModIface -> ImpDeclSpec -> IE GhcPs -> SDoc
badImportItemErrStd ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie
where
checkIfDataCon :: AvailInfo -> Bool
checkIfDataCon (AvailTC Name
_ [GreName]
ns) =
case (GreName -> Bool) -> [GreName] -> Maybe GreName
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find (\GreName
n -> FastString
importedFS FastString -> FastString -> Bool
forall a. Eq a => a -> a -> Bool
== OccName -> FastString
occNameFS (GreName -> OccName
forall name. HasOccName name => name -> OccName
occName GreName
n)) [GreName]
ns of
Just GreName
n -> Name -> Bool
isDataConName (GreName -> Name
greNameMangledName GreName
n)
Maybe GreName
Nothing -> Bool
False
checkIfDataCon AvailInfo
_ = Bool
False
availOccName :: AvailInfo -> OccName
availOccName = GreName -> OccName
forall name. HasOccName name => name -> OccName
occName (GreName -> OccName)
-> (AvailInfo -> GreName) -> AvailInfo -> OccName
forall b c a. (b -> c) -> (a -> b) -> a -> c
. AvailInfo -> GreName
availGreName
importedFS :: FastString
importedFS = OccName -> FastString
occNameFS (OccName -> FastString)
-> (RdrName -> OccName) -> RdrName -> FastString
forall b c a. (b -> c) -> (a -> b) -> a -> c
. RdrName -> OccName
rdrNameOcc (RdrName -> FastString) -> RdrName -> FastString
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
illegalImportItemErr :: SDoc
illegalImportItemErr :: SDoc
illegalImportItemErr = String -> SDoc
text String
"Illegal import item"
dodgyImportWarn :: RdrName -> SDoc
dodgyImportWarn :: RdrName -> SDoc
dodgyImportWarn RdrName
item
= SDoc -> RdrName -> IE GhcPs -> SDoc
forall a b. (Outputable a, Outputable b) => SDoc -> a -> b -> SDoc
dodgyMsg (String -> SDoc
text String
"import") RdrName
item (IdP GhcPs -> IE GhcPs
forall (p :: Pass). IdP (GhcPass p) -> IE (GhcPass p)
dodgyMsgInsert RdrName
IdP GhcPs
item :: IE GhcPs)
dodgyMsg :: (Outputable a, Outputable b) => SDoc -> a -> b -> SDoc
dodgyMsg :: forall a b. (Outputable a, Outputable b) => SDoc -> a -> b -> SDoc
dodgyMsg SDoc
kind a
tc b
ie
= [SDoc] -> SDoc
sep [ String -> SDoc
text String
"The" SDoc -> SDoc -> SDoc
<+> SDoc
kind SDoc -> SDoc -> SDoc
<+> PtrString -> SDoc
ptext (String -> PtrString
sLit String
"item")
SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (b -> SDoc
forall a. Outputable a => a -> SDoc
ppr b
ie)
SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"suggests that",
SDoc -> SDoc
quotes (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
tc) SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"has (in-scope) constructors or class methods,",
String -> SDoc
text String
"but it has none" ]
dodgyMsgInsert :: forall p . IdP (GhcPass p) -> IE (GhcPass p)
dodgyMsgInsert :: forall (p :: Pass). IdP (GhcPass p) -> IE (GhcPass p)
dodgyMsgInsert IdP (GhcPass p)
tc = XIEThingAll (GhcPass p)
-> LIEWrappedName (IdP (GhcPass p)) -> IE (GhcPass p)
forall pass.
XIEThingAll pass -> LIEWrappedName (IdP pass) -> IE pass
IEThingAll XIEThingAll (GhcPass p)
forall a. EpAnn a
noAnn LIEWrappedName (IdP (GhcPass p))
ii
where
ii :: LIEWrappedName (IdP (GhcPass p))
ii :: LIEWrappedName (IdP (GhcPass p))
ii = IEWrappedName (IdGhcP p)
-> LocatedAn AnnListItem (IEWrappedName (IdGhcP p))
forall a an. a -> LocatedAn an a
noLocA (LocatedN (IdGhcP p) -> IEWrappedName (IdGhcP p)
forall name. LocatedN name -> IEWrappedName name
IEName (LocatedN (IdGhcP p) -> IEWrappedName (IdGhcP p))
-> LocatedN (IdGhcP p) -> IEWrappedName (IdGhcP p)
forall a b. (a -> b) -> a -> b
$ IdGhcP p -> LocatedN (IdGhcP p)
forall a an. a -> LocatedAn an a
noLocA IdP (GhcPass p)
IdGhcP p
tc)
addDupDeclErr :: [GlobalRdrElt] -> TcRn ()
addDupDeclErr :: [GlobalRdrElt] -> IOEnv (Env TcGblEnv TcLclEnv) ()
addDupDeclErr [] = String -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a. String -> a
panic String
"addDupDeclErr: empty list"
addDupDeclErr gres :: [GlobalRdrElt]
gres@(GlobalRdrElt
gre : [GlobalRdrElt]
_)
= SrcSpan -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
addErrAt (Name -> SrcSpan
forall a. NamedThing a => a -> SrcSpan
getSrcSpan ([Name] -> Name
forall a. [a] -> a
last [Name]
sorted_names)) (SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ())
-> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
vcat [String -> SDoc
text String
"Multiple declarations of" SDoc -> SDoc -> SDoc
<+>
SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (GlobalRdrElt -> OccName
greOccName GlobalRdrElt
gre)),
String -> SDoc
text String
"Declared at:" SDoc -> SDoc -> SDoc
<+>
[SDoc] -> SDoc
vcat ((Name -> SDoc) -> [Name] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (SrcLoc -> SDoc) -> (Name -> SrcLoc) -> Name -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> SrcLoc
nameSrcLoc) [Name]
sorted_names)]
where
sorted_names :: [Name]
sorted_names =
(Name -> Name -> Ordering) -> [Name] -> [Name]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy (SrcSpan -> SrcSpan -> Ordering
SrcLoc.leftmost_smallest (SrcSpan -> SrcSpan -> Ordering)
-> (Name -> SrcSpan) -> Name -> Name -> Ordering
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` Name -> SrcSpan
nameSrcSpan)
((GlobalRdrElt -> Name) -> [GlobalRdrElt] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map GlobalRdrElt -> Name
greMangledName [GlobalRdrElt]
gres)
missingImportListWarn :: ModuleName -> SDoc
missingImportListWarn :: ModuleName -> SDoc
missingImportListWarn ModuleName
mod
= String -> SDoc
text String
"The module" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod) SDoc -> SDoc -> SDoc
<+> PtrString -> SDoc
ptext (String -> PtrString
sLit String
"does not have an explicit import list")
missingImportListItem :: IE GhcPs -> SDoc
missingImportListItem :: IE GhcPs -> SDoc
missingImportListItem IE GhcPs
ie
= String -> SDoc
text String
"The import item" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie) SDoc -> SDoc -> SDoc
<+> PtrString -> SDoc
ptext (String -> PtrString
sLit String
"does not have an explicit import list")
moduleWarn :: ModuleName -> WarningTxt -> SDoc
moduleWarn :: ModuleName -> WarningTxt -> SDoc
moduleWarn ModuleName
mod (WarningTxt Located SourceText
_ [Located StringLiteral]
txt)
= [SDoc] -> SDoc
sep [ String -> SDoc
text String
"Module" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod) SDoc -> SDoc -> SDoc
<> PtrString -> SDoc
ptext (String -> PtrString
sLit String
":"),
Int -> SDoc -> SDoc
nest Int
2 ([SDoc] -> SDoc
vcat ((Located StringLiteral -> SDoc)
-> [Located StringLiteral] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr (FastString -> SDoc)
-> (Located StringLiteral -> FastString)
-> Located StringLiteral
-> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. StringLiteral -> FastString
sl_fs (StringLiteral -> FastString)
-> (Located StringLiteral -> StringLiteral)
-> Located StringLiteral
-> FastString
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Located StringLiteral -> StringLiteral
forall l e. GenLocated l e -> e
unLoc) [Located StringLiteral]
txt)) ]
moduleWarn ModuleName
mod (DeprecatedTxt Located SourceText
_ [Located StringLiteral]
txt)
= [SDoc] -> SDoc
sep [ String -> SDoc
text String
"Module" SDoc -> SDoc -> SDoc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod)
SDoc -> SDoc -> SDoc
<+> String -> SDoc
text String
"is deprecated:",
Int -> SDoc -> SDoc
nest Int
2 ([SDoc] -> SDoc
vcat ((Located StringLiteral -> SDoc)
-> [Located StringLiteral] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr (FastString -> SDoc)
-> (Located StringLiteral -> FastString)
-> Located StringLiteral
-> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. StringLiteral -> FastString
sl_fs (StringLiteral -> FastString)
-> (Located StringLiteral -> StringLiteral)
-> Located StringLiteral
-> FastString
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Located StringLiteral -> StringLiteral
forall l e. GenLocated l e -> e
unLoc) [Located StringLiteral]
txt)) ]
packageImportErr :: SDoc
packageImportErr :: SDoc
packageImportErr
= String -> SDoc
text String
"Package-qualified imports are not enabled; use PackageImports"
checkConName :: RdrName -> TcRn ()
checkConName :: RdrName -> IOEnv (Env TcGblEnv TcLclEnv) ()
checkConName RdrName
name = Bool -> SDoc -> IOEnv (Env TcGblEnv TcLclEnv) ()
checkErr (RdrName -> Bool
isRdrDataCon RdrName
name) (RdrName -> SDoc
badDataCon RdrName
name)
badDataCon :: RdrName -> SDoc
badDataCon :: RdrName -> SDoc
badDataCon RdrName
name
= [SDoc] -> SDoc
hsep [String -> SDoc
text String
"Illegal data constructor name", SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name)]