#include "HsVersions.h"
-import DriverState ( GhcMode(..), v_GhcMode )
+import DriverState ( v_GhcMode, isCompManagerMode )
import DriverUtil ( splitFilename )
import CmdLineOpts ( opt_IgnoreIfacePragmas )
import HscTypes ( ModuleLocation(..),
ModIface(..), emptyModIface,
VersionInfo(..), ImportedModuleInfo,
- lookupIfaceByModName,
+ lookupIfaceByModName, RdrExportItem,
ImportVersion, WhetherHasOrphans, IsBootInterface,
DeclsMap, GatedDecl, IfaceInsts, IfaceRules,
AvailInfo, GenAvailInfo(..), Avails, Deprecations(..)
)
-import HsSyn ( TyClDecl(..), InstDecl(..),
- HsType(..), HsPred(..), FixitySig(..), RuleDecl(..),
- tyClDeclNames, tyClDeclSysNames, hsTyVarNames
+import HsSyn ( TyClDecl(..), InstDecl(..), RuleDecl(..),
+ tyClDeclNames, tyClDeclSysNames, hsTyVarNames,
+ getHsInstHead,
)
import RdrHsSyn ( RdrNameTyClDecl, RdrNameInstDecl, RdrNameRuleDecl )
import RnHsSyn ( extractHsTyNames_s )
import RnMonad
import ParseIface ( parseIface )
+import PrelNames ( gHC_PRIM_Name, gHC_PRIM )
import Name ( Name {-instance NamedThing-},
nameModule, isLocalName, nameIsLocalOrFrom
)
import ListSetOps ( minusList )
import Outputable
import Bag
+import BinIface ( {- just instances -} )
+import qualified Binary
+import Panic
import Config
import IOExts
+import Exception ( tryAllIO, Exception(DynException) )
+import Dynamic ( fromDynamic )
import Directory
+import List ( isSuffixOf )
\end{code}
-- Now add info about this module to the PIT
has_orphans = pi_orphan iface
new_pit = extendModuleEnv pit mod mod_iface
- mod_iface = ModIface { mi_module = mod, mi_version = version,
+ mod_iface = ModIface { mi_module = mod, mi_package = pi_pkg iface,
+ mi_version = version,
mi_orphan = has_orphans, mi_boot = hi_boot_file,
mi_exports = avails,
mi_fixities = fix_env, mi_deprecs = deprec_env,
mi_usages = [], -- Will be filled in later
mi_decls = panic "No mi_decls in PIT",
- mi_globals = mkIfaceGlobalRdrEnv avails
+ mi_globals = Nothing
}
new_ifaces = ifaces { iPIT = new_pit,
-- Loading the export list
-----------------------------------------------------
-loadExports :: (Version, [ExportItem]) -> RnM d (Version, [(ModuleName,Avails)])
+loadExports :: (Version, [RdrExportItem]) -> RnM d (Version, [(ModuleName,Avails)])
loadExports (vers, items)
= mapRn loadExport items `thenRn` \ avails_s ->
returnRn (vers, avails_s)
-loadExport :: ExportItem -> RnM d (ModuleName, Avails)
+loadExport :: RdrExportItem -> RnM d (ModuleName, Avails)
loadExport (mod, entities)
= mapRn (load_entity mod) entities `thenRn` \ avails ->
returnRn (mod, avails)
where
mod_name = moduleName mod
-loadFixDecl mod_name sig@(FixitySig rdr_name fixity loc)
+loadFixDecl mod_name (rdr_name, fixity)
= newGlobalName mod_name (rdrNameOcc rdr_name) `thenRn` \ name ->
returnRn (name, fixity)
rnHsType (text "In an interface instance decl") inst_ty
) `thenRn` \ inst_ty' ->
let
- (tvs,(cls,tys)) = get_head inst_ty'
+ (tvs,(cls,tys)) = getHsInstHead inst_ty'
free_tcs = nameSetToList (extractHsTyNames_s tys) `minusList` hsTyVarNames tvs
gate_fn vis_fn = vis_fn cls && (null free_tcs || any vis_fn free_tcs)
returnRn ((gate_fn, (mod, decl)) `consBag` insts)
--- In interface files, the instance decls now look like
--- forall a. Foo a -> Baz (T a)
--- so we have to strip off function argument types,
--- as well as the bit before the '=>' (which is always
--- empty in interface files)
---
--- The parser ensures the type will have the right shape.
--- (e.g. see ParseUtil.checkInstType)
-
-get_head (HsForAllTy (Just tvs) _ tau) = (tvs, get_head1 tau)
-get_head tau = ([], get_head1 tau)
-
-get_head1 (HsFunTy _ ty) = get_head1 ty
-get_head1 (HsPredTy (HsClassP cls tys)) = (cls,tys)
-
-
-----------------------------------------------------
-- Loading Rules
findAndReadIface doc_str mod_name hi_boot_file
= traceRn trace_msg `thenRn_`
+ -- Check for GHC.Prim, and return its static interface
+ if mod_name == gHC_PRIM_Name
+ then returnRn (Right (gHC_PRIM, ghcPrimIface))
+ else
+
-- In interactive or --make mode, we are *not allowed* to demand-load
-- a home package .hi file. So don't even look for them.
-- This helps in the case where you are sitting in eg. ghc/lib/std
-- and start up GHCi - it won't complain that all the modules it tries
-- to load are found in the home location.
ioToRnM_no_fail (readIORef v_GhcMode) `thenRn` \ mode ->
- let home_allowed = hi_boot_file ||
- mode `notElem` [ DoInteractive, DoMake ]
+ let home_allowed = hi_boot_file || not (isCompManagerMode mode)
in
ioToRnM (if home_allowed
readIface file `thenRn` \ read_result ->
case read_result of
Left bad -> returnRn (Left bad)
- Right iface
- -> let read_mod = pi_mod iface
- in -- check that the module names agree
- checkRn
- (wanted_mod == read_mod)
- (hiModuleNameMismatchWarn wanted_mod read_mod)
+ Right iface -> -- check that the module names agree
+ let read_mod_name = pi_mod iface
+ wanted_mod_name = moduleName wanted_mod
+ in
+ checkRn
+ (wanted_mod_name == read_mod_name)
+ (hiModuleNameMismatchWarn wanted_mod_name read_mod_name)
`thenRn_`
- -- check that the package names agree
- warnCheckRn
- (modulePackage wanted_mod == modulePackage read_mod)
- (packageNameMismatchWarn wanted_mod read_mod)
- `thenRn_`
returnRn (Right (wanted_mod, iface))
-- Can't find it
other -> traceRn (ptext SLIT("...not found")) `thenRn_`
= --ioToRnM (putStrLn ("reading iface " ++ file_path)) `thenRn_`
traceRn (ptext SLIT("readIFace") <+> text file_path) `thenRn_`
- ioToRnM (hGetStringBuffer False file_path) `thenRn` \ read_result ->
- case read_result of {
- Left io_error -> bale_out (text (show io_error)) ;
+ let hi_boot_ver = "hi-boot-" ++ cHscIfaceFileVersion in
+ if ".hi-boot" `isSuffixOf` file_path
+ || hi_boot_ver `isSuffixOf` file_path then
+
+ ioToRnM (hGetStringBuffer False file_path) `thenRn` \ read_result ->
+ case read_result of {
+ Left io_error -> bale_out (text (show io_error));
Right contents ->
- case parseIface contents init_parser_state of
- POk _ iface -> returnRn (Right iface)
+ case parseIface contents (mkPState loc exts) of {
+ POk _ iface -> returnRn (Right iface);
PFailed err -> bale_out err
- }
+ }}
+
+ else
+ ioToRnM_no_fail (tryAllIO (Binary.getBinFileWithDict file_path))
+ `thenRn` \ either_iface ->
+
+ case either_iface of
+ Right iface -> returnRn (Right iface)
+ Left (DynException d) | Just e <- fromDynamic d
+ -> bale_out (text (show (e :: GhcException)))
+
+ Left err -> bale_out (text (show err))
+
where
- init_parser_state = PState{ bol = 0#, atbol = 1#,
- context = [],
- glasgow_exts = 1#,
- loc = mkSrcLoc (mkFastString file_path) 1 }
+ exts = ExtFlags {glasgowExtsEF = True,
+ parrEF = True}
+ loc = mkSrcLoc (mkFastString file_path) 1
bale_out err = returnRn (Left (badIfaceFile file_path err))
\end{code}
-- loadHomeInterface, and consulting the Ifaces that comes back
-- from that, because the interface file for the Name might not
-- have been loaded yet. Why not? Suppose you import module A,
- -- which exports a function 'f', which is defined in module B.
+ -- which exports a function 'f', thus;
+ -- module CurrentModule where
+ -- import A( f )
+ -- module A( f ) where
+ -- import B( f )
-- Then B isn't loaded right away (after all, it's possible that
-- nothing from B will be used). When we come across a use of
-- 'f', we need to know its fixity, and it's then, and only
= vcat [ptext SLIT("Bad interface file:") <+> text file,
nest 4 err]
-hiModuleNameMismatchWarn :: Module -> Module -> Message
+hiModuleNameMismatchWarn :: ModuleName -> ModuleName -> Message
hiModuleNameMismatchWarn requested_mod read_mod =
hsep [ ptext SLIT("Something is amiss; requested module name")
- , ppr (moduleName requested_mod)
+ , ppr requested_mod
, ptext SLIT("differs from name found in the interface file")
, ppr read_mod
]
-packageNameMismatchWarn :: Module -> Module -> Message
-packageNameMismatchWarn requested_mod read_mod =
- fsep [ ptext SLIT("Module"), quotes (ppr requested_mod),
- ptext SLIT("is located in package"),
- quotes (ptext (modulePackage requested_mod)),
- ptext SLIT("but its interface file claims it is part of package"),
- quotes (ptext (modulePackage read_mod))
- ]
-
warnRedundantSourceImport mod_name
= ptext SLIT("Unnecessary {- SOURCE -} in the import of module")
<+> quotes (ppr mod_name)
projects / ghc-hetmet.git / blobdiff