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{-# LANGUAGE ScopedTypeVariables #-}
-- import Data.List
-- import GHC.Types.SrcLoc
import GHC hiding (moduleName)
import GHC.Driver.Ppr
import GHC.Driver.Session
import GHC.Hs.Dump
-- import qualified Control.Monad.IO.Class as GHC
-- import GHC.Types.SourceText
-- import GHC.Hs.Exact hiding (ExactPrint())
-- import GHC.Utils.Outputable hiding (space)
import System.Environment( getArgs )
import System.Exit
import System.FilePath
import System.IO
import ExactPrint
-- exactPrint = undefined
-- showPprUnsafe = undefined
-- ---------------------------------------------------------------------
_tt :: IO ()
-- _tt = testOneFile "/home/alanz/mysrc/git.haskell.org/ghc/_build/stage1/lib"
_tt = testOneFile "/home/alanz/mysrc/git.haskell.org/worktree/exactprint/_build/stage1/lib"
-- _tt = testOneFile "/home/alanz/mysrc/git.haskell.org/worktree/epw/_build/stage1/lib"
-- "../../testsuite/tests/printer/Ppr001.hs"
-- "../../testsuite/tests/printer/Ppr002.hs"
-- "../../testsuite/tests/printer/Ppr002a.hs"
-- "../../testsuite/tests/printer/Ppr003.hs"
-- "../../testsuite/tests/printer/Ppr004.hs"
-- "../../testsuite/tests/printer/Ppr005.hs"
-- "../../testsuite/tests/qualifieddo/should_compile/qdocompile001.hs"
-- "../../testsuite/tests/printer/Ppr006.hs"
-- "../../testsuite/tests/printer/Ppr007.hs"
-- "../../testsuite/tests/printer/Ppr008.hs"
-- "../../testsuite/tests/hiefile/should_compile/hie008.hs"
-- "../../testsuite/tests/printer/Ppr009.hs"
-- "../../testsuite/tests/printer/Ppr011.hs"
-- "../../testsuite/tests/printer/Ppr012.hs"
-- "../../testsuite/tests/printer/Ppr013.hs"
-- "../../testsuite/tests/printer/Ppr014.hs"
-- "../../testsuite/tests/printer/Ppr015.hs"
-- "../../testsuite/tests/printer/Ppr016.hs"
-- "../../testsuite/tests/printer/Ppr017.hs"
-- "../../testsuite/tests/printer/Ppr018.hs"
-- "../../testsuite/tests/printer/Ppr019.hs"
-- "../../testsuite/tests/printer/Ppr020.hs"
-- "../../testsuite/tests/printer/Ppr021.hs"
-- "../../testsuite/tests/printer/Ppr022.hs"
-- "../../testsuite/tests/printer/Ppr023.hs"
-- "../../testsuite/tests/printer/Ppr024.hs"
-- "../../testsuite/tests/printer/Ppr025.hs"
-- "../../testsuite/tests/printer/Ppr026.hs"
-- "../../testsuite/tests/printer/Ppr027.hs"
-- "../../testsuite/tests/printer/Ppr028.hs"
-- "../../testsuite/tests/printer/Ppr029.hs"
-- "../../testsuite/tests/printer/Ppr030.hs"
-- "../../testsuite/tests/printer/Ppr031.hs"
-- "../../testsuite/tests/printer/Ppr032.hs"
-- "../../testsuite/tests/printer/Ppr033.hs"
-- "../../testsuite/tests/printer/Ppr034.hs"
-- "../../testsuite/tests/printer/Ppr035.hs"
"../../testsuite/tests/printer/Ppr036.hs"
-- "../../testsuite/tests/printer/Ppr037.hs"
-- "../../testsuite/tests/printer/Ppr038.hs"
-- "../../testsuite/tests/printer/Ppr039.hs"
-- "../../testsuite/tests/printer/Ppr040.hs"
-- "../../testsuite/tests/printer/Ppr041.hs"
-- "../../testsuite/tests/printer/Ppr042.hs"
-- "../../testsuite/tests/printer/Ppr043.hs"
-- "../../testsuite/tests/printer/Ppr044.hs"
-- "../../testsuite/tests/printer/Ppr045.hs"
-- "../../testsuite/tests/printer/Ppr046.hs"
-- Not tested, the GENERATED pragma is getting removed "../../testsuite/tests/printer/Ppr047.hs"
-- "../../testsuite/tests/printer/Ppr048.hs"
-- "../../testsuite/tests/printer/Ppr049.hs"
-- "../../testsuite/tests/printer/T13050p.hs"
-- "../../testsuite/tests/printer/T13199.hs"
-- "../../testsuite/tests/printer/T13550.hs"
-- "../../testsuite/tests/printer/T13942.hs"
-- "../../testsuite/tests/printer/T14289b.hs"
-- "../../testsuite/tests/printer/T14289c.hs"
-- "../../testsuite/tests/printer/T14289.hs"
-- "../../testsuite/tests/printer/T14306.hs"
-- "../../testsuite/tests/printer/T14343b.hs"
-- "../../testsuite/tests/printer/T14343.hs"
-- "../../testsuite/tests/printer/T15761.hs"
-- "../../testsuite/tests/printer/Test17519.hs"
-- "../../testsuite/tests/printer/T18052a.hs"
-- "../../testsuite/tests/printer/T18247a.hs"
-- "../../testsuite/tests/printer/Ppr050.hs"
-- "../../testsuite/tests/printer/Ppr051.hs"
-- "../../testsuite/tests/printer/Ppr052.hs"
-- "../../testsuite/tests/typecheck/should_fail/T17566c.hs"
-- "../../testsuite/tests/hiefile/should_compile/Constructors.hs"
-- "../../testsuite/tests/printer/StarBinderAnns.hs"
-- "../../testsuite/tests/typecheck/should_fail/StrictBinds.hs"
-- "../../testsuite/tests/printer/Test10276.hs"
-- "../../testsuite/tests/printer/Test10278.hs"
-- "../../testsuite/tests/printer/Test12417.hs"
-- "../../testsuite/tests/parser/should_compile/T14189.hs"
-- "../../testsuite/tests/printer/Test16212.hs"
-- "../../testsuite/tests/printer/Test10312.hs"
-- "../../testsuite/tests/printer/Test10354.hs"
-- "../../testsuite/tests/printer/Test10357.hs"
-- "../../testsuite/tests/printer/Test10399.hs"
-- "../../testsuite/tests/printer/Test11018.hs"
-- "../../testsuite/tests/printer/Test11332.hs"
-- "../../testsuite/tests/printer/Test16230.hs"
-- "../../testsuite/tests/printer/Test16236.hs"
-- "../../testsuite/tests/printer/AnnotationLet.hs"
-- "../../testsuite/tests/printer/AnnotationTuple.hs"
-- "../../testsuite/tests/ghc-api/annotations/CommentsTest.hs"
-- "../../testsuite/tests/hiefile/should_compile/Scopes.hs"
-- "../../testsuite/tests/printer/Ppr053.hs"
-- "../../testsuite/tests/printer/Ppr054.hs"
-- "../../testsuite/tests/printer/Ppr055.hs"
-- "../../testsuite/tests/hiefile/should_run/PatTypes.hs"
-- "./cases/LocalDecls2.expected.hs"
-- "./cases/WhereIn3a.hs"
-- "./cases/AddLocalDecl1.hs"
-- "./cases/LayoutIn1.hs"
-- "./cases/EmptyWheres.hs"
-- "../../testsuite/tests/printer/PprRecordDotSyntax1.hs"
-- "../../testsuite/tests/printer/PprRecordDotSyntax2.hs"
-- "../../testsuite/tests/printer/PprRecordDotSyntax3.hs"
-- "../../testsuite/tests/printer/PprRecordDotSyntax4.hs"
-- "../../testsuite/tests/printer/PprRecordDotSyntaxA.hs"
-- "./cases/Windows.hs"
-- exact = ppr
-- ---------------------------------------------------------------------
usage :: String
usage = unlines
[ "usage: check-exact (libdir) (file)"
, ""
, "where libdir is the GHC library directory (e.g. the output of"
, "ghc --print-libdir) and file is the file to parse."
]
main :: IO()
main = do
args <- getArgs
case args of
[libdir,fileName] -> testOneFile libdir fileName
_ -> putStrLn usage
writeBinFile :: FilePath -> String -> IO()
writeBinFile fpath x = withBinaryFile fpath WriteMode (\h -> hSetEncoding h utf8 >> hPutStr h x)
testOneFile :: FilePath -> String -> IO ()
testOneFile libdir fileName = do
p <- parseOneFile libdir fileName
-- putStrLn $ "\n\ngot p"
let
origAst = showSDocUnsafe
$ showAstData BlankSrcSpanFile NoBlankApiAnnotations
(pm_parsed_source p)
anns' = pm_annotations p
-- pped = pragmas ++ "\n" ++ (exactPrint $ pm_parsed_source p)
pped = exactPrint (pm_parsed_source p) anns'
-- pragmas = getPragmas anns'
newFile = dropExtension fileName <.> "ppr" <.> takeExtension fileName
astFile = fileName <.> "ast"
newAstFile = fileName <.> "ast.new"
-- putStrLn $ "\n\nabout to writeFile"
writeBinFile astFile origAst
-- putStrLn $ "\n\nabout to pp"
writeBinFile newFile pped
-- putStrLn $ "anns':" ++ showPprUnsafe (apiAnnRogueComments anns')
p' <- parseOneFile libdir newFile
let newAstStr :: String
newAstStr = showSDocUnsafe
$ showAstData BlankSrcSpanFile NoBlankApiAnnotations
(pm_parsed_source p')
writeBinFile newAstFile newAstStr
-- putStrLn $ "\n\nanns':" ++ showPprUnsafe (apiAnnRogueComments anns')
if origAst == newAstStr
then do
-- putStrLn "ASTs matched"
exitSuccess
else do
putStrLn "exactPrint AST Match Failed"
putStrLn "\n===================================\nOrig\n\n"
putStrLn origAst
putStrLn "\n===================================\nNew\n\n"
putStrLn newAstStr
putStrLn "\n===================================\n\n"
exitFailure
parseOneFile :: FilePath -> FilePath -> IO ParsedModule
parseOneFile libdir fileName = do
let modByFile m =
case ml_hs_file $ ms_location m of
Nothing -> False
Just fn -> fn == fileName
runGhc (Just libdir) $ do
dflags <- getSessionDynFlags
let dflags2 = dflags `gopt_set` Opt_KeepRawTokenStream
_ <- setSessionDynFlags dflags2
addTarget Target { targetId = TargetFile fileName Nothing
, targetAllowObjCode = True
, targetContents = Nothing }
_ <- load LoadAllTargets
graph <- getModuleGraph
let
modSum = case filter modByFile (mgModSummaries graph) of
[x] -> x
xs -> error $ "Can't find module, got:"
++ show (map (ml_hs_file . ms_location) xs)
-- toks <- getRichTokenStream (ms_mod modSum)
-- toks <- getTokenStream (ms_mod modSum)
-- GHC.liftIO $ putStrLn $ "toks=" ++ showPprUnsafe toks
parseModule modSum
-- getPragmas :: ApiAnns -> String
-- getPragmas anns' = pragmaStr
-- where
-- tokComment (L _ (AnnBlockComment s)) = s
-- tokComment (L _ (AnnLineComment s)) = s
-- tokComment _ = ""
-- comments' = map tokComment $ sortRealLocated $ apiAnnRogueComments anns'
-- pragmas = filter (\c -> isPrefixOf "{-#" c ) comments'
-- pragmaStr = intercalate "\n" pragmas
-- pp :: (Outputable a) => a -> String
-- pp a = showPpr unsafeGlobalDynFlags a
-- ---------------------------------------------------------------------
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