ModDetails(..),
ModGuts(..), ModImports(..), ForeignStubs(..),
+ ModSummary(..), showModMsg,
+ msHsFilePath, msHiFilePath, msObjFilePath,
+
+ HscSource(..), isHsBoot, hscSourceString, -- Re-exported from DriverPhases
+
HomePackageTable, HomeModInfo(..), emptyHomePackageTable,
+ hptInstances, hptRules,
ExternalPackageState(..), EpsStats(..), addEpsInStats,
PackageTypeEnv, PackageIfaceTable, emptyPackageIfaceTable,
- lookupIface, lookupIfaceByModName, moduleNameToModule,
- emptyModIface,
+ lookupIface, lookupIfaceByModule, emptyModIface,
InteractiveContext(..), emptyInteractiveContext,
icPrintUnqual, unQualInScope,
ModIface(..), mkIfaceDepCache, mkIfaceVerCache, mkIfaceFixCache,
- emptyIfaceDepCache,
+ emptyIfaceDepCache,
Deprecs(..), IfaceDeprecs,
import RdrName ( GlobalRdrEnv, emptyGlobalRdrEnv,
LocalRdrEnv, emptyLocalRdrEnv,
GlobalRdrElt(..), mkRdrUnqual, lookupGRE_RdrName )
-import Name ( Name, NamedThing, getName, nameOccName, nameModule, nameModuleName )
+import Name ( Name, NamedThing, getName, nameOccName, nameModule )
import NameEnv
import NameSet
import OccName ( OccName, OccEnv, lookupOccEnv, mkOccEnv, emptyOccEnv,
import Class ( Class, classSelIds, classTyCon )
import TyCon ( TyCon, tyConSelIds, tyConDataCons )
import DataCon ( dataConImplicitIds )
-import Packages ( PackageName )
+import Packages ( PackageIdH, PackageId )
import CmdLineOpts ( DynFlags )
-
+import DriverPhases ( HscSource(..), isHsBoot, hscSourceString )
import BasicTypes ( Version, initialVersion, IPName,
Fixity, defaultFixity, DeprecTxt )
import FiniteMap ( FiniteMap )
import CoreSyn ( IdCoreRule )
-import Maybes ( orElse )
+import Maybes ( orElse, fromJust, expectJust )
import Outputable
import SrcLoc ( SrcSpan )
import UniqSupply ( UniqSupply )
-import Maybe ( fromJust )
import FastString ( FastString )
import DATA_IOREF ( IORef, readIORef )
+import StringBuffer ( StringBuffer )
import Time ( ClockTime )
\end{code}
-- hsc_HPT is not mutable because we only demand-load
-- external packages; the home package is eagerly
-- loaded, module by module, by the compilation manager.
+ --
+ -- The HPT may contain modules compiled earlier by --make
+ -- but not actually below the current module in the dependency
+ -- graph. (This changes a previous invariant: changed Jan 05.)
-- The next two are side-effected by compiling
-- to reflect sucking in interface files
Just mod_info -> Just (hm_iface mod_info)
Nothing -> lookupModuleEnv pit mod
-lookupIfaceByModName :: HomePackageTable -> PackageIfaceTable -> ModuleName -> Maybe ModIface
+lookupIfaceByModule :: HomePackageTable -> PackageIfaceTable -> Module -> Maybe ModIface
-- We often have two IfaceTables, and want to do a lookup
-lookupIfaceByModName hpt pit mod
- = case lookupModuleEnvByName hpt mod of
+lookupIfaceByModule hpt pit mod
+ = case lookupModuleEnv hpt mod of
Just mod_info -> Just (hm_iface mod_info)
- Nothing -> lookupModuleEnvByName pit mod
+ Nothing -> lookupModuleEnv pit mod
\end{code}
+
\begin{code}
--- Use instead of Finder.findModule if possible: this way doesn't
--- require filesystem operations, and it is guaranteed not to fail
--- when the IfaceTables are properly populated (i.e. after the renamer).
-moduleNameToModule :: HomePackageTable -> PackageIfaceTable -> ModuleName -> Module
-moduleNameToModule hpt pit mod
- = mi_module (fromJust (lookupIfaceByModName hpt pit mod))
+hptInstances :: HscEnv -> [(Module, IsBootInterface)] -> [DFunId]
+-- Find all the instance declarations that are in modules imported
+-- by this one, directly or indirectly, and are in the Home Package Table
+-- This ensures that we don't see instances from modules --make compiled
+-- before this one, but which are not below this one
+hptInstances hsc_env deps
+ | isOneShot (hsc_mode hsc_env) = [] -- In one-shot mode, the HPT is empty
+ | otherwise
+ = let
+ hpt = hsc_HPT hsc_env
+ in
+ [ dfun
+ | -- Find each non-hi-boot module below me
+ (mod, False) <- deps
+
+ -- Look it up in the HPT
+ , let mod_info = ASSERT2( mod `elemModuleEnv` hpt, ppr mod $$ vcat (map ppr_hm (moduleEnvElts hpt)))
+ fromJust (lookupModuleEnv hpt mod)
+
+ -- And get its dfuns
+ , dfun <- md_insts (hm_details mod_info) ]
+ where
+ ppr_hm hm = ppr (mi_module (hm_iface hm))
+
+hptRules :: HscEnv -> [(Module, IsBootInterface)] -> [IdCoreRule]
+-- Get rules from modules "below" this one (in the dependency sense)
+-- C.f Inst.hptInstances
+hptRules hsc_env deps
+ | isOneShot (hsc_mode hsc_env) = []
+ | otherwise
+ = let
+ hpt = hsc_HPT hsc_env
+ in
+ [ rule
+ | -- Find each non-hi-boot module below me
+ (mod, False) <- deps
+
+ -- Look it up in the HPT
+ , let mod_info = ASSERT( mod `elemModuleEnv` hpt )
+ fromJust (lookupModuleEnv hpt mod)
+
+ -- And get its dfuns
+ , rule <- md_rules (hm_details mod_info) ]
\end{code}
\begin{code}
data ModIface
= ModIface {
- mi_package :: !PackageName, -- Which package the module comes from
+ mi_package :: !PackageIdH, -- Which package the module comes from
mi_module :: !Module,
mi_mod_vers :: !Version, -- Module version: changes when anything changes
data ModGuts
= ModGuts {
mg_module :: !Module,
+ mg_boot :: IsBootInterface, -- Whether it's an hs-boot module
mg_exports :: !NameSet, -- What it exports
mg_deps :: !Dependencies, -- What is below it, directly or otherwise
mg_dir_imps :: ![Module], -- Directly-imported modules; used to
\end{code}
\begin{code}
-emptyModIface :: PackageName -> ModuleName -> ModIface
+emptyModIface :: PackageIdH -> Module -> ModIface
emptyModIface pkg mod
= ModIface { mi_package = pkg,
- mi_module = mkModule pkg mod,
+ mi_module = mod,
mi_mod_vers = initialVersion,
mi_orphan = False,
mi_boot = False,
-- [Out of date] Also checks for built-in syntax, which is always 'in scope'
unQualInScope env mod occ
= case lookupGRE_RdrName (mkRdrUnqual occ) env of
- [gre] -> nameModuleName (gre_name gre) == mod
+ [gre] -> nameModule (gre_name gre) == mod
other -> False
\end{code}
deriving( Eq )
-- Equality used when deciding if the interface has changed
-type IfaceExport = (ModuleName, [GenAvailInfo OccName])
+type IfaceExport = (Module, [GenAvailInfo OccName])
availsToNameSet :: [AvailInfo] -> NameSet
availsToNameSet avails = foldl add emptyNameSet avails
-- Invariant: the dependencies of a module M never includes M
-- Invariant: the lists are unordered, with no duplicates
data Dependencies
- = Deps { dep_mods :: [(ModuleName,IsBootInterface)], -- Home-package module dependencies
- dep_pkgs :: [PackageName], -- External package dependencies
- dep_orphs :: [ModuleName] } -- Orphan modules (whether home or external pkg)
+ = Deps { dep_mods :: [(Module,IsBootInterface)], -- Home-package module dependencies
+ dep_pkgs :: [PackageId], -- External package dependencies
+ dep_orphs :: [Module] } -- Orphan modules (whether home or external pkg)
+ deriving( Eq )
+ -- Equality used only for old/new comparison in MkIface.addVersionInfo
noDependencies :: Dependencies
noDependencies = Deps [] [] []
data Usage
- = Usage { usg_name :: ModuleName, -- Name of the module
+ = Usage { usg_name :: Module, -- Name of the module
usg_mod :: Version, -- Module version
usg_entities :: [(OccName,Version)], -- Sorted by occurrence name
usg_exports :: Maybe Version, -- Export-list version, if we depend on it
data ExternalPackageState
= EPS {
- eps_is_boot :: !(ModuleEnv (ModuleName, IsBootInterface)),
+ eps_is_boot :: !(ModuleEnv (Module, IsBootInterface)),
-- In OneShot mode (only), home-package modules accumulate in the
-- external package state, and are sucked in lazily.
-- For these home-pkg modules (only) we need to record which are
-- boot modules. We set this field after loading all the
-- explicitly-imported interfaces, but before doing anything else
--
- -- The ModuleName part is not necessary, but it's useful for
+ -- The Module part is not necessary, but it's useful for
-- debug prints, and it's convenient because this field comes
-- direct from TcRnTypes.ImportAvails.imp_dep_mods
\end{code}
\begin{code}
-type Gated d = ([Name], (ModuleName, d)) -- The [Name] 'gate' the declaration; always non-empty
- -- ModuleName records which iface file this
- -- decl came from
+type Gated d = ([Name], (Module, SDoc, d))
+ -- The [Name] 'gate' the declaration; always non-empty
+ -- Module records which module this decl belongs to
+ -- SDoc records the pathname of the file, or similar err-ctxt info
type RulePool = [Gated IfaceRule]
%************************************************************************
%* *
+ The ModSummary type
+ A ModSummary is a node in the compilation manager's
+ dependency graph, and it's also passed to hscMain
+%* *
+%************************************************************************
+
+The nodes of the module graph are
+ EITHER a regular Haskell source module
+ OR a hi-boot source module
+
+\begin{code}
+data ModSummary
+ = ModSummary {
+ ms_mod :: Module, -- Name of the module
+ ms_hsc_src :: HscSource, -- Source is Haskell, hs-boot, external core
+ ms_location :: ModLocation, -- Location
+ ms_hs_date :: ClockTime, -- Timestamp of summarised file
+ ms_srcimps :: [Module], -- Source imports
+ ms_imps :: [Module], -- Non-source imports
+ ms_hspp_file :: Maybe FilePath, -- Filename of preprocessed source,
+ -- once we have preprocessed it.
+ ms_hspp_buf :: Maybe StringBuffer -- The actual preprocessed source, maybe.
+ }
+
+-- The ModLocation contains both the original source filename and the
+-- filename of the cleaned-up source file after all preprocessing has been
+-- done. The point is that the summariser will have to cpp/unlit/whatever
+-- all files anyway, and there's no point in doing this twice -- just
+-- park the result in a temp file, put the name of it in the location,
+-- and let @compile@ read from that file on the way back up.
+
+-- The ModLocation is stable over successive up-sweeps in GHCi, wheres
+-- the ms_hs_date and imports can, of course, change
+
+msHsFilePath, msHiFilePath, msObjFilePath :: ModSummary -> FilePath
+msHsFilePath ms = expectJust "msHsFilePath" (ml_hs_file (ms_location ms))
+msHiFilePath ms = ml_hi_file (ms_location ms)
+msObjFilePath ms = ml_obj_file (ms_location ms)
+
+
+instance Outputable ModSummary where
+ ppr ms
+ = sep [text "ModSummary {",
+ nest 3 (sep [text "ms_hs_date = " <> text (show (ms_hs_date ms)),
+ text "ms_mod =" <+> ppr (ms_mod ms)
+ <> text (hscSourceString (ms_hsc_src ms)) <> comma,
+ text "ms_imps =" <+> ppr (ms_imps ms),
+ text "ms_srcimps =" <+> ppr (ms_srcimps ms)]),
+ char '}'
+ ]
+
+showModMsg :: Bool -> ModSummary -> String
+showModMsg use_object mod_summary
+ = showSDoc (hsep [text (mod_str ++ replicate (max 0 (16 - length mod_str)) ' '),
+ char '(', text (msHsFilePath mod_summary) <> comma,
+ if use_object then text (msObjFilePath mod_summary)
+ else text "interpreted",
+ char ')'])
+ where
+ mod = ms_mod mod_summary
+ mod_str = moduleUserString mod ++ hscSourceString (ms_hsc_src mod_summary)
+\end{code}
+
+
+%************************************************************************
+%* *
\subsection{Linkable stuff}
%* *
%************************************************************************
linkableTime :: ClockTime, -- Time at which this linkable was built
-- (i.e. when the bytecodes were produced,
-- or the mod date on the files)
- linkableModName :: ModuleName, -- Should be Module, but see below
+ linkableModule :: Module, -- Should be Module, but see below
linkableUnlinked :: [Unlinked]
}
projects / ghc-hetmet.git / blobdiff