-{-# OPTIONS -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
--- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
--- for details
+{-# OPTIONS -fno-cse #-}
+-- -fno-cse is needed for GLOBAL_VAR's to behave properly
-----------------------------------------------------------------------------
--
#include "HsVersions.h"
import qualified GHC
-import GHC ( Session, ModSummary(..) )
+import GHC ( ModSummary(..), GhcMonad )
import DynFlags
import Util
-import HscTypes ( HscEnv, IsBootInterface, msObjFilePath, msHsFilePath )
+import HscTypes ( HscEnv, IsBootInterface, msObjFilePath, msHsFilePath, getSession )
import SysTools ( newTempName )
import qualified SysTools
import Module
import Digraph ( SCC(..) )
import Finder ( findImportedModule, FindResult(..) )
-import Util ( global, consIORef )
import Outputable
import Panic
import SrcLoc
import Data.List
-import CmdLineParser
import FastString
+import Exception
import ErrUtils ( debugTraceMsg, putMsg )
+import MonadUtils ( liftIO )
-import Data.IORef ( IORef, readIORef, writeIORef )
-import Control.Exception
-import System.Exit ( ExitCode(..), exitWith )
import System.Directory
import System.FilePath
import System.IO
-import SYSTEM_IO_ERROR ( isEOFError )
+import System.IO.Error ( isEOFError )
import Control.Monad ( when )
import Data.Maybe ( isJust )
--
-----------------------------------------------------------------
-doMkDependHS :: Session -> [FilePath] -> IO ()
-doMkDependHS session srcs
- = do { -- Initialisation
- dflags <- GHC.getSessionDynFlags session
- ; files <- beginMkDependHS dflags
-
- -- Do the downsweep to find all the modules
- ; targets <- mapM (\s -> GHC.guessTarget s Nothing) srcs
- ; GHC.setTargets session targets
- ; excl_mods <- readIORef v_Dep_exclude_mods
- ; r <- GHC.depanal session excl_mods True {- Allow dup roots -}
- ; case r of
- Nothing -> exitWith (ExitFailure 1)
- Just mod_summaries -> do {
+doMkDependHS :: GhcMonad m => [FilePath] -> m ()
+doMkDependHS srcs = do
+ -- Initialisation
+ dflags <- GHC.getSessionDynFlags
+ files <- liftIO $ beginMkDependHS dflags
+
+ -- Do the downsweep to find all the modules
+ targets <- mapM (\s -> GHC.guessTarget s Nothing) srcs
+ GHC.setTargets targets
+ let excl_mods = depExcludeMods dflags
+ mod_summaries <- GHC.depanal excl_mods True {- Allow dup roots -}
+
+ -- Sort into dependency order
+ -- There should be no cycles
+ let sorted = GHC.topSortModuleGraph False mod_summaries Nothing
- -- Sort into dependency order
- -- There should be no cycles
- let sorted = GHC.topSortModuleGraph False mod_summaries Nothing
+ -- Print out the dependencies if wanted
+ liftIO $ debugTraceMsg dflags 2 (text "Module dependencies" $$ ppr sorted)
- -- Print out the dependencies if wanted
- ; debugTraceMsg dflags 2 (text "Module dependencies" $$ ppr sorted)
+ -- Prcess them one by one, dumping results into makefile
+ -- and complaining about cycles
+ hsc_env <- getSession
+ mapM (liftIO . processDeps dflags hsc_env excl_mods (mkd_tmp_hdl files)) sorted
- -- Prcess them one by one, dumping results into makefile
- -- and complaining about cycles
- ; mapM (processDeps session excl_mods (mkd_tmp_hdl files)) sorted
+ -- If -ddump-mod-cycles, show cycles in the module graph
+ liftIO $ dumpModCycles dflags mod_summaries
- -- If -ddump-mod-cycles, show cycles in the module graph
- ; dumpModCycles dflags mod_summaries
+ -- Tidy up
+ liftIO $ endMkDependHS dflags files
- -- Tidy up
- ; endMkDependHS dflags files }}
+ -- Unconditional exiting is a bad idea. If an error occurs we'll get an
+ --exception; if that is not caught it's fine, but at least we have a
+ --chance to find out exactly what went wrong. Uncomment the following
+ --line if you disagree.
+
+ --`GHC.ghcCatch` \_ -> io $ exitWith (ExitFailure 1)
-----------------------------------------------------------------
--
beginMkDependHS :: DynFlags -> IO MkDepFiles
beginMkDependHS dflags = do
- -- slurp in the mkdependHS-style options
- let flags = getOpts dflags opt_dep
- _ <- processArgs dep_opts flags
-
-- open a new temp file in which to stuff the dependency info
-- as we go along.
tmp_file <- newTempName dflags "dep"
tmp_hdl <- openFile tmp_file WriteMode
-- open the makefile
- makefile <- readIORef v_Dep_makefile
+ let makefile = depMakefile dflags
exists <- doesFileExist makefile
mb_make_hdl <-
if not exists
then return ()
else chuck
- catchJust ioErrors slurp
+ catchIO slurp
(\e -> if isEOFError e then return () else ioError e)
- catchJust ioErrors chuck
+ catchIO chuck
(\e -> if isEOFError e then return () else ioError e)
return (Just makefile_hdl)
--
-----------------------------------------------------------------
-processDeps :: Session
+processDeps :: DynFlags
+ -> HscEnv
-> [ModuleName]
-> Handle -- Write dependencies to here
-> SCC ModSummary
--
-- For {-# SOURCE #-} imports the "hi" will be "hi-boot".
-processDeps session excl_mods hdl (CyclicSCC nodes)
+processDeps _ _ _ _ (CyclicSCC nodes)
= -- There shouldn't be any cycles; report them
- throwDyn (ProgramError (showSDoc $ GHC.cyclicModuleErr nodes))
+ ghcError (ProgramError (showSDoc $ GHC.cyclicModuleErr nodes))
-processDeps session excl_mods hdl (AcyclicSCC node)
- = do { extra_suffixes <- readIORef v_Dep_suffixes
- ; hsc_env <- GHC.sessionHscEnv session
- ; include_pkg_deps <- readIORef v_Dep_include_pkg_deps
- ; let src_file = msHsFilePath node
+processDeps dflags hsc_env excl_mods hdl (AcyclicSCC node)
+ = do { let extra_suffixes = depSuffixes dflags
+ include_pkg_deps = depIncludePkgDeps dflags
+ src_file = msHsFilePath node
obj_file = msObjFilePath node
obj_files = insertSuffixes obj_file extra_suffixes
-> IsBootInterface -- Source import
-> Bool -- Record dependency on package modules
-> IO (Maybe FilePath) -- Interface file file
-findDependency hsc_env src imp is_boot include_pkg_deps
+findDependency hsc_env _ imp is_boot _include_pkg_deps
= do { -- Find the module; this will be fast because
-- we've done it once during downsweep
r <- findImportedModule hsc_env imp Nothing
; case r of
- Found loc mod
+ Found loc _
-- Home package: just depend on the .hi or hi-boot file
| isJust (ml_hs_file loc)
-> return (Just (addBootSuffix_maybe is_boot (ml_hi_file loc)))
hPutStrLn tmp_hdl l
slurp
- catchJust ioErrors slurp
+ catchIO slurp
(\e -> if isEOFError e then return () else ioError e)
hClose hdl
mod_str = moduleNameString (moduleName (ms_mod summary))
pp_imps :: SDoc -> [Located ModuleName] -> SDoc
- pp_imps what [] = empty
+ pp_imps _ [] = empty
pp_imps what lms
= case [m | L _ m <- lms, m `elem` cycle_mods] of
[] -> empty
--
-----------------------------------------------------------------
- -- Flags
-GLOBAL_VAR(v_Dep_makefile, "Makefile", String);
-GLOBAL_VAR(v_Dep_include_pkg_deps, False, Bool);
-GLOBAL_VAR(v_Dep_exclude_mods, [], [ModuleName]);
-GLOBAL_VAR(v_Dep_suffixes, [], [String]);
-GLOBAL_VAR(v_Dep_warnings, True, Bool);
-
+depStartMarker, depEndMarker :: String
depStartMarker = "# DO NOT DELETE: Beginning of Haskell dependencies"
depEndMarker = "# DO NOT DELETE: End of Haskell dependencies"
--- for compatibility with the old mkDependHS, we accept options of the form
--- -optdep-f -optdep.depend, etc.
-dep_opts =
- [ ( "s", SepArg (consIORef v_Dep_suffixes) )
- , ( "f", SepArg (writeIORef v_Dep_makefile) )
- , ( "w", NoArg (writeIORef v_Dep_warnings False) )
-
- , ( "-include-prelude", NoArg (writeIORef v_Dep_include_pkg_deps True) )
- -- -include-prelude is the old name for -include-pkg-deps, kept around
- -- for backward compatibility, but undocumented
-
- , ( "-include-pkg-deps", NoArg (writeIORef v_Dep_include_pkg_deps True) )
- , ( "-exclude-module=", Prefix (consIORef v_Dep_exclude_mods . mkModuleName) )
- , ( "x", Prefix (consIORef v_Dep_exclude_mods . mkModuleName) )
- ]
projects / ghc-hetmet.git / blobdiff