aboutsummaryrefslogtreecommitdiff
path: root/src/Main.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/Main.hs')
-rw-r--r--src/Main.hs224
1 files changed, 161 insertions, 63 deletions
diff --git a/src/Main.hs b/src/Main.hs
index c0e9745f..44d18f25 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -22,7 +22,7 @@ import Control.Monad ( when, liftM )
import Control.Monad.Writer ( Writer, runWriter, tell )
import Data.Char ( isSpace )
import Data.IORef ( writeIORef )
-import Data.List ( nub, (\\), foldl', sortBy, foldl1 )
+import Data.List ( nub, (\\), foldl', sortBy, foldl1, init, mapAccumL, find )
import Data.Maybe ( isJust, isNothing, maybeToList, listToMaybe )
--import Debug.Trace
import System.Console.GetOpt ( getOpt, usageInfo, ArgOrder(..), OptDescr(..), ArgDescr(..) )
@@ -39,12 +39,13 @@ import Data.Maybe
import Data.List ( nubBy )
import Data.FunctorM ( fmapM )
-import GHC
+import qualified GHC ( init )
+import GHC hiding ( init )
import Outputable
import SrcLoc
import qualified Digraph as Digraph
import Name
-import Module ( moduleString, mkModule )
+import Module ( mkModule )
import InstEnv
import Class
import TypeRep
@@ -54,28 +55,104 @@ import PrelNames
import FastString
#define FSLIT(x) (mkFastString# (x#))
import DynFlags hiding ( Option )
+import StaticFlags ( parseStaticFlags )
import Unique ( mkUnique )
import Packages
-----------------------------------------------------------------------------
-- Top-level stuff
-type CheckedMods = [(Module, FullyCheckedMod, FilePath)]
+type CheckedMod = (Module, FullyCheckedMod, FilePath)
main :: IO ()
main = do
args <- getArgs
(libDir, rest) <- getLibDir args
- (session, ghcFlags, nonGHCOpts) <- startGHC libDir rest
- (flags, args) <- parseHaddockOpts nonGHCOpts
- handleEagerFlags flags
- modules <- sortAndCheckModules session ghcFlags args
- (ifaces, htmls) <- getIfacesAndHtmls flags ghcFlags
+ let (isGHCMode, rest') = parseModeFlag rest
+ (session, dynflags) <- startGHC libDir
+
+ (dynflags', rest'') <- if isGHCMode
+ then parseGHCFlags_GHCMode dynflags rest'
+ else parseGHCFlags_HaddockMode dynflags rest'
+
+ (flags, fileArgs) <- parseHaddockOpts rest''
+
+ mbPkgName <- handleEagerFlags flags
+ let dynflags'' = case mbPkgName of
+ Just name -> setPackageName name dynflags'
+ Nothing -> dynflags'
+
+ setSessionDynFlags session dynflags''
+
+ modules <- sortAndCheckModules session dynflags' fileArgs
+ (ifaces, htmls) <- getIfacesAndHtmls flags dynflags'
let (modss, envs) = unzip ifaces
- updateHTMLXRefs htmls modss
+ updateHTMLXRefs htmls modss
-- TODO: continue to break up the run function into parts
run flags modules envs
+parseModeFlag :: [String] -> (Bool, [String])
+parseModeFlag ("--ghc-flags":rest) = (True, rest)
+parseModeFlag rest = (False, rest)
+
+parseGHCFlags_GHCMode :: DynFlags -> [String] -> IO (DynFlags, [String])
+parseGHCFlags_GHCMode dynflags args = do
+ (dynflags', rest) <- parseDynamicFlags dynflags args
+ rest' <- parseStaticFlags rest
+ return (dynflags', rest')
+
+parseGHCFlags_HaddockMode = parseGHCFlags
+
+parseGHCFlags :: DynFlags -> [String] -> IO (DynFlags, [String])
+parseGHCFlags dynflags args = case args of
+ [] -> return (dynflags, args)
+ ("-g":rest) -> worker rest
+ (('-':'-':'g':'h':'c':'-':'f':'l':'a':'g':[]):rest) -> worker rest
+ (x:xs) -> do
+ (flags, rest) <- parseGHCFlags dynflags xs
+ return (flags, x:rest)
+ where
+ worker rest = do
+ (mbFlags, rest') <- parseGHCFlag dynflags rest
+ case mbFlags of
+ Just flags -> parseGHCFlags flags rest'
+ Nothing -> parseGHCFlags dynflags rest'
+
+parseGHCFlag :: DynFlags -> [String] -> IO (Maybe DynFlags, [String])
+parseGHCFlag _ [] = die "No GHC flag supplied\n"
+parseGHCFlag dynflags args = do
+ mbDyn <- findDynamic
+ case mbDyn of
+ Just (dynflags', rest) -> return (Just dynflags', rest)
+ Nothing -> do
+ mbStat <- findStatic
+ case mbStat of
+ Just (_, rest) -> return (Nothing, rest)
+ Nothing -> die ("Not a GHC flag: " ++ (head args) ++ "\n")
+ where
+ findDynamic = findFlag (
+ \xs ->
+ (do
+ (fs, xs') <- parseDynamicFlags dynflags xs
+ if xs' /= xs then return (Just fs) else return Nothing
+ )
+ `catch` (\_ -> return Nothing)
+ )
+ findStatic = findFlag (\xs -> do
+ xs' <- parseStaticFlags xs
+ if xs /= xs' then return (Just ()) else return Nothing)
+
+ findFlag p = do
+ xs <- (sequence . snd) (mapAccumL (f p) [] args)
+ case [ (x, index) | Just x <- xs | index <- [1..] ] of
+ ((x, index):_) -> return (Just (x, drop index args))
+ _ -> return Nothing
+
+ f :: ([String] -> IO a) -> [String] -> String -> ([String], IO a)
+ f parser previousArgs arg =
+ let args' = previousArgs ++ [arg]
+ in (args', parser args')
+
parseHaddockOpts :: [String] -> IO ([Flag], [String])
parseHaddockOpts words =
case getOpt Permute (options True) words of
@@ -92,23 +169,20 @@ getLibDir ("-B":dir:rest) = return (dir, rest)
getLibDir (('-':'B':dir):rest) | not (null dir) = return (dir, rest)
getLibDir _ = die "Missing GHC lib dir option: -B <dir>\n"
--- | Initialize GHC, parse the passed in strings and set the corresponding
--- GHC flags (if any). Also add the -haddock flag. Return the Session handle
--- and the strings that were not GHC flags.
-startGHC :: String -> [String] -> IO (Session, DynFlags, [String])
-startGHC libDir possibleOpts = do
+extractGHCFlags :: [Flag] -> [String]
+extractGHCFlags flags = [ flag | Flag_GHCFlag flag <- flags ]
+
+startGHC :: String -> IO (Session, DynFlags)
+startGHC libDir = do
GHC.init (Just libDir)
let ghcMode = JustTypecheck
session <- newSession ghcMode
flags <- getSessionDynFlags session
flags' <- initPackages flags
- (flags'', nonOpts) <- parseDynamicFlags flags' possibleOpts
- let flags''' = dopt_set flags'' Opt_Haddock
- setSessionDynFlags session flags'''
- return (session, flags''', nonOpts)
+ let flags'' = dopt_set flags' Opt_Haddock
+ return (session, flags'')
-sortAndCheckModules :: Session -> DynFlags -> [FilePath] ->
- IO [(Module, FullyCheckedMod, FilePath)]
+sortAndCheckModules :: Session -> DynFlags -> [FilePath] -> IO [CheckedMod]
sortAndCheckModules session flags files = defaultErrorHandler flags $ do
targets <- mapM (\s -> guessTarget s Nothing) files
setTargets session targets
@@ -124,7 +198,7 @@ sortAndCheckModules session flags files = defaultErrorHandler flags $ do
modsum <- sortedModules,
modSumFile modsum `elem` files ]
checkedMods <- mapM (\(mod, file) -> do
- mbMod <- checkModule session mod
+ mbMod <- checkModule session (moduleName mod)
checkedMod <- case mbMod of
Just m -> return m
Nothing -> die ("Failed to load module: " ++ moduleString mod)
@@ -133,7 +207,7 @@ sortAndCheckModules session flags files = defaultErrorHandler flags $ do
where
ensureFullyChecked modules
| length modules' == length modules = return modules'
- | otherwise = die "Fail to check all modules properly\n"
+ | otherwise = die "Failed to check all modules properly\n"
where modules' = [ (mod, (a,b,c,d), f) |
(mod, CheckedModule a (Just b) (Just c) (Just d), f)
<- modules ]
@@ -179,6 +253,7 @@ data Flag
| Flag_IgnoreAllExports
| Flag_HideModule String
| Flag_UsePackage String
+ | Flag_GHCFlag String
deriving (Eq)
options :: Bool -> [OptDescr Flag]
@@ -244,32 +319,35 @@ options backwardsCompat =
Option [] ["hide"] (ReqArg Flag_HideModule "MODULE")
"behave as if MODULE has the hide attribute",
Option [] ["use-package"] (ReqArg Flag_UsePackage "PACKAGE")
- "the modules being processed depend on PACKAGE"
+ "the modules being processed depend on PACKAGE",
+ Option ['g'] ["ghc-flag"] (ReqArg Flag_GHCFlag "FLAG")
+ "send a flag to the Glasgow Haskell Compiler"
]
handleEagerFlags flags = do
whenFlag Flag_Help $ do
prog <- getProgramName
bye (usageInfo (usageHeader prog) (options False))
+
whenFlag Flag_Version $
bye ("Haddock version " ++ projectVersion ++
", (c) Simon Marlow 2003; port to GHC-api by David Waern 2006\n")
+
when ((Flag_GenIndex `elem` flags || Flag_GenContents `elem` flags)
&& Flag_Html `elem` flags) $
die ("-h cannot be used with --gen-index or --gen-contents")
+
+ return (listToMaybe [str | Flag_Package str <- flags])
where
whenFlag flag action = when (flag `elem` flags) action
-
-run :: [Flag] -> CheckedMods -> [Map Name Name] -> IO ()
+run :: [Flag] -> [CheckedMod] -> [Map Name Name] -> IO ()
run flags modules extEnvs = do
let
title = case [str | Flag_Heading str <- flags] of
[] -> ""
(t:_) -> t
- package = listToMaybe [str | Flag_Package str <- flags]
-
maybe_source_urls = (listToMaybe [str | Flag_SourceBaseURL str <- flags]
,listToMaybe [str | Flag_SourceModuleURL str <- flags]
,listToMaybe [str | Flag_SourceEntityURL str <- flags])
@@ -316,7 +394,7 @@ run flags modules extEnvs = do
prologue <- getPrologue flags
let
- (modMap, messages) = runWriter (pass1 modules flags package)
+ (modMap, messages) = runWriter (pass1 modules flags)
haddockMods = catMaybes [ Map.lookup mod modMap | (mod,_,_) <- modules ]
homeEnv = buildGlobalDocEnv haddockMods
env = Map.unions (homeEnv:extEnvs)
@@ -326,25 +404,28 @@ run flags modules extEnvs = do
mapM_ putStrLn messages
mapM_ putStrLn messages'
- let visibleMods = [ m | m <- haddockMods'', OptHide `notElem` (hmod_options m) ]
+ let
+ visibleMods = [ m | m <- haddockMods'', OptHide `notElem` (hmod_options m) ]
+ packageName = (Just . packageIdString . modulePackageId .
+ hmod_mod . head) visibleMods
when (Flag_GenIndex `elem` flags) $ do
- ppHtmlIndex odir title package maybe_html_help_format
+ ppHtmlIndex odir title packageName maybe_html_help_format
maybe_contents_url maybe_source_urls maybe_wiki_urls
visibleMods
copyHtmlBits odir libdir css_file
when (Flag_GenContents `elem` flags && Flag_GenIndex `elem` flags) $ do
- ppHtmlHelpFiles title package visibleMods odir maybe_html_help_format []
+ ppHtmlHelpFiles title packageName visibleMods odir maybe_html_help_format []
when (Flag_GenContents `elem` flags) $ do
- ppHtmlContents odir title package maybe_html_help_format
+ ppHtmlContents odir title packageName maybe_html_help_format
maybe_index_url maybe_source_urls maybe_wiki_urls
- visibleMods prologue
+ visibleMods True prologue
copyHtmlBits odir libdir css_file
when (Flag_Html `elem` flags) $ do
- ppHtml title package visibleMods odir
+ ppHtml title packageName visibleMods odir
prologue maybe_html_help_format
maybe_source_urls maybe_wiki_urls
maybe_contents_url maybe_index_url
@@ -355,7 +436,7 @@ run flags modules extEnvs = do
-- dump an interface if requested
case dumpIface of
Nothing -> return ()
- Just fn -> dumpInterfaces env (map hmod_mod visibleMods) fn
+ Just fn -> dumpInterfaces env (map hmod_mod visibleMods) fn
where
pprList [] = []
pprList [x] = show x
@@ -383,10 +464,9 @@ type FullyCheckedMod = (ParsedSource,
printEntity (DocEntity doc) = show doc
printEntity (DeclEntity name) = show $ ppr name defaultUserStyle
-pass1 :: [(Module, FullyCheckedMod, FilePath)] -> [Flag] -> Maybe String -> ErrMsgM ModuleMap2
-pass1 modules flags package = worker modules (Map.empty) flags
+pass1 :: [CheckedMod] -> [Flag] -> ErrMsgM ModuleMap2
+pass1 modules flags = worker modules (Map.empty) flags
where
- worker :: [(Module, FullyCheckedMod, FilePath)] -> ModuleMap2 -> [Flag] -> ErrMsgM ModuleMap2
worker [] moduleMap _ = return moduleMap
worker ((mod, checked_mod, filename):rest_modules) moduleMap flags = do
@@ -405,7 +485,8 @@ pass1 modules flags package = worker modules (Map.empty) flags
theseEntityNames = entityNames entities
subNames = allSubnamesInGroup group
localNames = theseEntityNames ++ subNames
- -- guaranteed to be Just, since the module has been compiled from scratch
+ -- guaranteed to be Just, since the module has been compiled from
+ -- scratch
scopeNames = fromJust $ modInfoTopLevelScope moduleInfo
subMap = mk_sub_map_from_group group
@@ -415,13 +496,17 @@ pass1 modules flags package = worker modules (Map.empty) flags
docMap = mkDocMap group
ignoreAllExports = Flag_IgnoreAllExports `elem` flags
+
+ packageId = modulePackageId mod
theseVisibleNames <- visibleNames mod moduleMap localNames scopeNames
- subMap exports opts localDeclMap
+ subMap exports opts localDeclMap
+ packageId
exportItems <- mkExportItems moduleMap mod exportedNames
- exportedDeclMap localDeclMap subMap entities opts
- exports ignoreAllExports docMap
+ exportedDeclMap localDeclMap subMap entities
+ opts exports ignoreAllExports docMap
+ packageId
-- prune the export list to just those declarations that have
-- documentation, if the 'prune' option is on.
@@ -447,8 +532,7 @@ pass1 modules flags package = worker modules (Map.empty) flags
hmod_exports = exportedNames,
hmod_visible_exports = theseVisibleNames,
hmod_exported_decl_map = exportedDeclMap,
- hmod_instances = instances,
- hmod_package = package
+ hmod_instances = instances
}
moduleMap' = Map.insert mod haddock_module moduleMap
@@ -493,7 +577,8 @@ mkDocMap group = Map.fromList (topDeclDocs ++ classMethDocs ++ recordFieldDocs)
collectDocs :: [DocEntity Name] -> [(Name, HsDoc Name)]
collectDocs entities = collect Nothing DocEmpty entities
-collect :: Maybe (DocEntity Name) -> HsDoc Name -> [DocEntity Name] -> [(Name, HsDoc Name)]
+collect :: Maybe (DocEntity Name) -> HsDoc Name -> [DocEntity Name] ->
+ [(Name, HsDoc Name)]
collect d doc_so_far [] =
case d of
Nothing -> []
@@ -592,8 +677,8 @@ getDeclFromGroup group name =
_ -> Nothing
where
matching = [ for | for <- lfors, forName (unLoc for) == name ]
- forName (ForeignExport n _ _ _) = unLoc n
- forName (ForeignImport n _ _ _) = unLoc n
+ forName (ForeignExport n _ _) = unLoc n
+ forName (ForeignImport n _ _) = unLoc n
parseIfaceOption :: String -> (FilePath,FilePath)
parseIfaceOption s =
@@ -613,9 +698,9 @@ getPrologue flags
[filename] -> do
str <- readFile filename
case parseHaddockComment str of
- Left err -> dieMsg err
+ Left err -> die err
Right doc -> return (Just doc)
- _otherwise -> dieMsg "multiple -p/--prologue options"
+ _otherwise -> die "multiple -p/--prologue options"
-- -----------------------------------------------------------------------------
-- Phase 2
@@ -675,10 +760,11 @@ mkExportItems
-> Maybe [IE Name]
-> Bool -- --ignore-all-exports flag
-> Map Name (HsDoc Name)
+ -> PackageId
-> ErrMsgM [ExportItem2 Name]
mkExportItems mod_map this_mod exported_names exportedDeclMap localDeclMap sub_map entities
- opts maybe_exps ignore_all_exports docMap
+ opts maybe_exps ignore_all_exports docMap packageId
| isNothing maybe_exps || ignore_all_exports || OptIgnoreExports `elem` opts
= everything_local_exported
| Just specs <- maybe_exps = do
@@ -692,7 +778,7 @@ mkExportItems mod_map this_mod exported_names exportedDeclMap localDeclMap sub_m
lookupExport (IEThingAbs t) = declWith t
lookupExport (IEThingAll t) = declWith t
lookupExport (IEThingWith t cs) = declWith t
- lookupExport (IEModuleContents m) = fullContentsOf m
+ lookupExport (IEModuleContents m) = fullContentsOf (mkModule packageId m)
lookupExport (IEGroup lev doc) = return [ ExportGroup2 lev "" doc ]
lookupExport (IEDoc doc) = return [ ExportDoc2 doc ]
lookupExport (IEDocNamed str)
@@ -827,9 +913,10 @@ visibleNames :: Module
-> Maybe [IE Name]
-> [DocOption]
-> Map Name (LHsDecl Name)
+ -> PackageId
-> ErrMsgM [Name]
-visibleNames mdl modMap localNames scope subMap maybeExps opts declMap
+visibleNames mdl modMap localNames scope subMap maybeExps opts declMap packageId
-- if no export list, just return all local names
| Nothing <- maybeExps = return (filter hasDecl localNames)
| OptIgnoreExports `elem` opts = return localNames
@@ -853,18 +940,22 @@ visibleNames mdl modMap localNames scope subMap maybeExps opts declMap
IEThingWith t cs -> return (t : cs)
IEModuleContents m
- | m == mdl -> return localNames
- | otherwise ->
- case Map.lookup m modMap of
+ | mkModule packageId m == mdl -> return localNames
+ | otherwise -> let m' = mkModule packageId m in
+ case Map.lookup m' modMap of
Just mod
| OptHide `elem` hmod_options mod ->
return (filter (`elem` scope) (hmod_exports mod))
| otherwise -> return []
Nothing
- -> tell ["Can not reexport a package module"] >> return []
-
+ -> tell (exportModuleMissingErr mdl m') >> return []
+
_ -> return []
+exportModuleMissingErr this mdl
+ = ["Warning: in export list of " ++ show (moduleString this)
+ ++ ": module not found: " ++ show (moduleString mdl)]
+
-- for a given entity, find all the names it "owns" (ie. all the
-- constructors and field names of a tycon, or all the methods of a
-- class).
@@ -1046,9 +1137,12 @@ type ErrMsgM a = Writer [ErrMsg] a
getPackageFiles :: DynFlags -> IO [(String, String)]
getPackageFiles dynflags = do
packages <- getExplicitPackagesAnd dynflags []
- mbFiles <- mapM check packages
+ mbFiles <- mapM check (filter notRTS packages)
return [ pair | Just pair <- mbFiles ]
where
+ -- no better way to do this?
+ notRTS p = pkgName (package p) /= packageIdString rtsPackageId
+
check p = (do
pair <- check' p
return (Just pair)) `catch` (\e -> do
@@ -1080,7 +1174,7 @@ getPackageFiles dynflags = do
-- -----------------------------------------------------------------------------
-- The interface file format
--- ehhm. this is a hack...
+-- ehhm. this is a temporary hack...
thisFormatVersion :: FormatVersion
thisFormatVersion = mkFormatVersion 3
@@ -1155,9 +1249,13 @@ instance Binary OccName where
return (mkOccName (decodeNS ns) string)
instance Binary Module where
- put_ bh m = put_ bh (moduleString m)
- get bh = do m <- get bh; return (mkModule m)
-
+ put_ bh m = do
+ put_ bh (moduleString m)
+ put_ bh ((packageIdString . modulePackageId) m)
+ get bh = do
+ m <- get bh
+ p <- get bh
+ return (mkModule (stringToPackageId p) (mkModuleName m))
{-
thisFormatVersion :: FormatVersion
thisFormatVersion = mkFormatVersion 2
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 01:55:21 +0000