tryLoadInterface, loadOrphanModules,
loadExports, loadFixDecls, loadDeprecs,
- lookupFixityRn,
-
getTyClDeclBinders
) where
#include "HsVersions.h"
-import DriverState ( GhcMode(..), v_GhcMode )
+import DriverState ( v_GhcMode, isCompManagerMode )
import DriverUtil ( splitFilename )
import CmdLineOpts ( opt_IgnoreIfacePragmas )
+import Parser ( parseIface )
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, getHsInstHead,
+import HsSyn ( TyClDecl(..), InstDecl(..), RuleDecl(..),
+ tyClDeclNames, tyClDeclSysNames, hsTyVarNames,
+ getHsInstHead,
)
import RdrHsSyn ( RdrNameTyClDecl, RdrNameInstDecl, RdrNameRuleDecl )
import RnHsSyn ( extractHsTyNames_s )
-import BasicTypes ( Version, defaultFixity )
+import BasicTypes ( Version )
import RnTypes ( rnHsType )
import RnEnv
import RnMonad
-import ParseIface ( parseIface )
+import PrelNames ( gHC_PRIM_Name, gHC_PRIM )
import Name ( Name {-instance NamedThing-},
- nameModule, isLocalName, nameIsLocalOrFrom
+ nameModule, isInternalName, nameIsLocalOrFrom
)
import NameEnv
import NameSet
import Module
import RdrName ( rdrNameOcc )
import SrcLoc ( mkSrcLoc )
-import Maybes ( maybeToBool, orElse )
+import Maybes ( maybeToBool )
import StringBuffer ( hGetStringBuffer )
import FastString ( mkFastString )
import ErrUtils ( Message )
import ListSetOps ( minusList )
import Outputable
import Bag
+import BinIface ( {- just instances -} )
+import qualified Binary
+import Panic
import Config
import IOExts
+import Exception
+import Dynamic ( fromDynamic )
import Directory
+import List ( isSuffixOf )
\end{code}
\begin{code}
loadHomeInterface :: SDoc -> Name -> RnM d ModIface
loadHomeInterface doc_str name
- = ASSERT2( not (isLocalName name), ppr name <+> parens doc_str )
+ = ASSERT2( not (isInternalName name), ppr name <+> parens doc_str )
loadInterface doc_str (moduleName (nameModule name)) ImportBySystem
loadOrphanModules :: [ModuleName] -> RnM d ()
-- 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,
-- 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)
= newTopBinder mod var src_loc `thenRn` \ var_name ->
returnRn (Avail var_name, [])
+getTyClDeclBinders mod (CoreDecl {tcdName = var, tcdLoc = src_loc})
+ = newTopBinder mod var src_loc `thenRn` \ var_name ->
+ returnRn (Avail var_name, [])
+
getTyClDeclBinders mod tycl_decl
= new_top_bndrs mod (tyClDeclNames tycl_decl) `thenRn` \ names@(main_name:_) ->
new_top_bndrs mod (tyClDeclSysNames tycl_decl) `thenRn` \ sys_names ->
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 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
- }
- where
- init_parser_state = PState{ bol = 0#, atbol = 1#,
- context = [],
- glasgow_exts = 1#,
- loc = mkSrcLoc (mkFastString file_path) 1 }
+ }}
- bale_out err = returnRn (Left (badIfaceFile file_path err))
-\end{code}
+ else
+ ioToRnM_no_fail (myTry (Binary.getBinFileWithDict file_path))
+ `thenRn` \ either_iface ->
-%*********************************************************
-%* *
-\subsection{Looking up fixities}
-%* *
-%*********************************************************
-
-@lookupFixityRn@ has to be in RnIfaces (or RnHiFiles), instead of
-its obvious home in RnEnv, because it calls @loadHomeInterface@.
+ case either_iface of
+ Right iface -> returnRn (Right iface)
+ Left (DynException d) | Just e <- fromDynamic d
+ -> bale_out (text (show (e :: GhcException)))
-lookupFixity is a bit strange.
+ Left err -> bale_out (text (show err))
-* Nested local fixity decls are put in the local fixity env, which we
- find with getFixtyEnv
-
-* Imported fixities are found in the HIT or PIT
+ where
+ exts = ExtFlags {glasgowExtsEF = True,
+ ffiEF = True,
+ withEF = True,
+ parrEF = True}
+ loc = mkSrcLoc (mkFastString file_path) 1
-* Top-level fixity decls in this module may be for Names that are
- either Global (constructors, class operations)
- or Local/Exported (everything else)
- (See notes with RnNames.getLocalDeclBinders for why we have this split.)
- We put them all in the local fixity environment
+ bale_out err = returnRn (Left (badIfaceFile file_path err))
-\begin{code}
-lookupFixityRn :: Name -> RnMS Fixity
-lookupFixityRn name
- = getModuleRn `thenRn` \ this_mod ->
- if nameIsLocalOrFrom this_mod name
- then -- It's defined in this module
- getFixityEnv `thenRn` \ local_fix_env ->
- returnRn (lookupLocalFixity local_fix_env name)
-
- else -- It's imported
- -- For imported names, we have to get their fixities by doing a
- -- 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', 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
- -- then, that we load B.hi. That is what's happening here.
- loadHomeInterface doc name `thenRn` \ iface ->
- returnRn (lookupNameEnv (mi_fixities iface) name `orElse` defaultFixity)
- where
- doc = ptext SLIT("Checking fixity for") <+> ppr name
+#if __GLASGOW_HASKELL__ < 501
+myTry = Exception.tryAllIO
+#else
+myTry = Exception.try
+#endif
\end{code}
-
%*********************************************************
%* *
\subsection{Errors}
= 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)
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