{- FOURMOLU_DISABLE -}
{-# LANGUAGE DeriveGeneric #-}
module Distribution.Simple.Build.PathsModule.Z (render, Z(..)) where
import Distribution.ZinzaPrelude
data Z
    = Z {zPackageName :: PackageName,
         zVersionDigits :: String,
         zAbsolute :: Bool,
         zRelocatable :: Bool,
         zIsWindows :: Bool,
         zIsI386 :: Bool,
         zIsX8664 :: Bool,
         zIsAArch64 :: Bool,
         zPrefix :: FilePath,
         zBindir :: FilePath,
         zLibdir :: FilePath,
         zDynlibdir :: FilePath,
         zDatadir :: FilePath,
         zLibexecdir :: FilePath,
         zSysconfdir :: FilePath,
         zNot :: (Bool -> Bool),
         zManglePkgName :: (PackageName -> String)}
    deriving Generic
render :: Z -> String
render z_root = execWriter $ do
  tell "{-# LANGUAGE CPP #-}\n"
  tell "{-# LANGUAGE NoRebindableSyntax #-}\n"
  if (zNot z_root (zAbsolute z_root))
  then do
    tell "{-# LANGUAGE ForeignFunctionInterface #-}\n"
    return ()
  else do
    return ()
  tell "{-# OPTIONS_GHC -w #-}\n"
  tell "\n"
  tell "{-|\n"
  tell "Module      : Paths_"
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "\n"
  tell "Description : Data file location, and package version and installation\n"
  tell "              directories.\n"
  tell "\n"
  tell "WARNING: This module was generated by Cabal. Any modifications will be\n"
  tell "overwritten if the module is regenerated.\n"
  tell "\n"
  tell "This module exports a function to locate data files, and values that record\n"
  tell "the version of the package and some directories which the package has been\n"
  tell "configured to be installed into.\n"
  tell "\n"
  tell "For further information about Cabal's options for its configuration step, and\n"
  tell "their default values, see the Cabal User Guide.\n"
  tell "-}\n"
  tell "\n"
  tell "module Paths_"
  tell (zManglePkgName z_root (zPackageName z_root))
  tell " (\n"
  tell "    version,\n"
  tell "    getBinDir, getLibDir, getDynLibDir, getDataDir, getLibexecDir,\n"
  tell "    getDataFileName, getSysconfDir\n"
  tell "  ) where\n"
  tell "\n"
  if (zNot z_root (zAbsolute z_root))
  then do
    tell "import Foreign\n"
    tell "import Foreign.C\n"
    return ()
  else do
    return ()
  tell "\n"
  tell "import qualified Control.Exception as Exception\n"
  tell "import Data.Version (Version(..))\n"
  tell "import System.Environment (getEnv)\n"
  tell "import Prelude\n"
  tell "\n"
  if (zRelocatable z_root)
  then do
    tell "import System.Environment (getExecutablePath)\n"
    return ()
  else do
    return ()
  tell "\n"
  tell "catchIO :: IO a -> (Exception.IOException -> IO a) -> IO a\n"
  tell "catchIO = Exception.catch\n"
  tell "\n"
  tell "-- |The package version.\n"
  tell "version :: Version\n"
  tell "version = Version "
  tell (zVersionDigits z_root)
  tell " []\n"
  tell "\n"
  tell "-- |If the argument is a filename, the result is the name of a corresponding\n"
  tell "-- file on the system on which the program is running, if the file were listed\n"
  tell "-- in the @data-files@ field of the package's Cabal package description file.\n"
  tell "-- No check is performed that the given filename is listed in that field.\n"
  tell "getDataFileName :: FilePath -> IO FilePath\n"
  tell "getDataFileName name = do\n"
  tell "  dir <- getDataDir\n"
  tell "  return (dir `joinFileName` name)\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--bindir@ option (where\n"
  tell "-- executables that the user might invoke are installed). This can be overridden\n"
  tell "-- at runtime using the environment variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_bindir.\n"
  tell "getBinDir :: IO FilePath\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--libdir@ option (where\n"
  tell "-- object libraries are installed). This can be overridden at runtime using the\n"
  tell "-- environment variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_libdir.\n"
  tell "getLibDir :: IO FilePath\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--dynlibdir@ option\n"
  tell "-- (where dynamic libraries are installed). This can be overridden at runtime\n"
  tell "-- using the environment variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_dynlibdir.\n"
  tell "getDynLibDir :: IO FilePath\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--datadir@ option (where\n"
  tell "-- architecture-independent data files are installed). This can be overridden at\n"
  tell "-- runtime using the environment variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_datadir.\n"
  tell "getDataDir :: IO FilePath\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--libexedir@ option\n"
  tell "-- (where executables that are not expected to be invoked directly by the user\n"
  tell "-- are installed). This can be overridden at runtime using the environment\n"
  tell "-- variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_libexedir.\n"
  tell "getLibexecDir :: IO FilePath\n"
  tell "\n"
  tell "-- |The location of the directory specified by Cabal's @--sysconfdir@ option\n"
  tell "-- (where configuration files are installed). This can be overridden at runtime\n"
  tell "-- using the environment variable "
  tell (zManglePkgName z_root (zPackageName z_root))
  tell "_sysconfdir.\n"
  tell "getSysconfDir :: IO FilePath\n"
  tell "\n"
  let
    z_var0_function_defs = do
      tell "minusFileName :: FilePath -> String -> FilePath\n"
      tell "minusFileName dir \"\"     = dir\n"
      tell "minusFileName dir \".\"    = dir\n"
      tell "minusFileName dir suffix =\n"
      tell "  minusFileName (fst (splitFileName dir)) (fst (splitFileName suffix))\n"
      tell "\n"
      tell "splitFileName :: FilePath -> (String, String)\n"
      tell "splitFileName p = (reverse (path2++drive), reverse fname)\n"
      tell "  where\n"
      tell "    (path,drive) = case p of\n"
      tell "      (c:':':p') -> (reverse p',[':',c])\n"
      tell "      _          -> (reverse p ,\"\")\n"
      tell "    (fname,path1) = break isPathSeparator path\n"
      tell "    path2 = case path1 of\n"
      tell "      []                           -> \".\"\n"
      tell "      [_]                          -> path1   -- don't remove the trailing slash if\n"
      tell "                                              -- there is only one character\n"
      tell "      (c:path') | isPathSeparator c -> path'\n"
      tell "      _                             -> path1\n"
      return ()
  tell "\n"
  tell "\n"
  if (zRelocatable z_root)
  then do
    tell "\n"
    tell "getPrefixDirReloc :: FilePath -> IO FilePath\n"
    tell "getPrefixDirReloc dirRel = do\n"
    tell "  exePath <- getExecutablePath\n"
    tell "  let (dir,_) = splitFileName exePath\n"
    tell "  return ((dir `minusFileName` "
    tell (zBindir z_root)
    tell ") `joinFileName` dirRel)\n"
    tell "\n"
    tell "getBinDir     = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_bindir\")     (\\_ -> getPrefixDirReloc $ "
    tell (zBindir z_root)
    tell ")\n"
    tell "getLibDir     = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_libdir\")     (\\_ -> getPrefixDirReloc $ "
    tell (zLibdir z_root)
    tell ")\n"
    tell "getDynLibDir  = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_dynlibdir\")  (\\_ -> getPrefixDirReloc $ "
    tell (zDynlibdir z_root)
    tell ")\n"
    tell "getDataDir    = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_datadir\")    (\\_ -> getPrefixDirReloc $ "
    tell (zDatadir z_root)
    tell ")\n"
    tell "getLibexecDir = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_libexecdir\") (\\_ -> getPrefixDirReloc $ "
    tell (zLibexecdir z_root)
    tell ")\n"
    tell "getSysconfDir = catchIO (getEnv \""
    tell (zManglePkgName z_root (zPackageName z_root))
    tell "_sysconfdir\") (\\_ -> getPrefixDirReloc $ "
    tell (zSysconfdir z_root)
    tell ")\n"
    tell "\n"
    z_var0_function_defs
    tell "\n"
    return ()
  else do
    if (zAbsolute z_root)
    then do
      tell "\n"
      tell "bindir, libdir, dynlibdir, datadir, libexecdir, sysconfdir :: FilePath\n"
      tell "bindir     = "
      tell (zBindir z_root)
      tell "\n"
      tell "libdir     = "
      tell (zLibdir z_root)
      tell "\n"
      tell "dynlibdir  = "
      tell (zDynlibdir z_root)
      tell "\n"
      tell "datadir    = "
      tell (zDatadir z_root)
      tell "\n"
      tell "libexecdir = "
      tell (zLibexecdir z_root)
      tell "\n"
      tell "sysconfdir = "
      tell (zSysconfdir z_root)
      tell "\n"
      tell "\n"
      tell "getBinDir     = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_bindir\")     (\\_ -> return bindir)\n"
      tell "getLibDir     = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_libdir\")     (\\_ -> return libdir)\n"
      tell "getDynLibDir  = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_dynlibdir\")  (\\_ -> return dynlibdir)\n"
      tell "getDataDir    = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_datadir\")    (\\_ -> return datadir)\n"
      tell "getLibexecDir = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_libexecdir\") (\\_ -> return libexecdir)\n"
      tell "getSysconfDir = catchIO (getEnv \""
      tell (zManglePkgName z_root (zPackageName z_root))
      tell "_sysconfdir\") (\\_ -> return sysconfdir)\n"
      tell "\n"
      return ()
    else do
      if (zIsWindows z_root)
      then do
        tell "\n"
        tell "prefix :: FilePath\n"
        tell "prefix = "
        tell (zPrefix z_root)
        tell "\n"
        tell "\n"
        tell "getBinDir     = getPrefixDirRel $ "
        tell (zBindir z_root)
        tell "\n"
        tell "getLibDir     = "
        tell (zLibdir z_root)
        tell "\n"
        tell "getDynLibDir  = "
        tell (zDynlibdir z_root)
        tell "\n"
        tell "getDataDir    = catchIO (getEnv \""
        tell (zManglePkgName z_root (zPackageName z_root))
        tell "_datadir\")    (\\_ -> "
        tell (zDatadir z_root)
        tell ")\n"
        tell "getLibexecDir = "
        tell (zLibexecdir z_root)
        tell "\n"
        tell "getSysconfDir = "
        tell (zSysconfdir z_root)
        tell "\n"
        tell "\n"
        tell "getPrefixDirRel :: FilePath -> IO FilePath\n"
        tell "getPrefixDirRel dirRel = try_size 2048 -- plenty, PATH_MAX is 512 under Win32.\n"
        tell "  where\n"
        tell "    try_size size = allocaArray (fromIntegral size) $ \\buf -> do\n"
        tell "        ret <- c_GetModuleFileName nullPtr buf size\n"
        tell "        case ret of\n"
        tell "          0 -> return (prefix `joinFileName` dirRel)\n"
        tell "          _ | ret < size -> do\n"
        tell "              exePath <- peekCWString buf\n"
        tell "              let (bindir,_) = splitFileName exePath\n"
        tell "              return ((bindir `minusFileName` "
        tell (zBindir z_root)
        tell ") `joinFileName` dirRel)\n"
        tell "            | otherwise  -> try_size (size * 2)\n"
        tell "\n"
        z_var0_function_defs
        tell "\n"
        if (zIsI386 z_root)
        then do
          tell "foreign import stdcall unsafe \"windows.h GetModuleFileNameW\"\n"
          tell "  c_GetModuleFileName :: Ptr () -> CWString -> Int32 -> IO Int32\n"
          return ()
        else do
          if (zIsX8664 z_root)
          then do
            tell "foreign import ccall unsafe \"windows.h GetModuleFileNameW\"\n"
            tell "  c_GetModuleFileName :: Ptr () -> CWString -> Int32 -> IO Int32\n"
            return ()
          else do
            if (zIsAArch64 z_root)
            then do
              tell "foreign import ccall unsafe \"windows.h GetModuleFileNameW\"\n"
              tell "  c_GetModuleFileName :: Ptr () -> CWString -> Int32 -> IO Int32\n"
              return ()
            else do
              tell "-- win32 supported only with I386, X86_64, AArch64\n"
              tell "c_GetModuleFileName :: Ptr () -> CWString -> Int32 -> IO Int32\n"
              tell "c_GetModuleFileName  = _\n"
              return ()
            return ()
          return ()
        tell "\n"
        return ()
      else do
        tell "\n"
        tell "notRelocAbsoluteOrWindows :: ()\n"
        tell "notRelocAbsoluteOrWindows = _\n"
        tell "\n"
        return ()
      return ()
    return ()
  tell "\n"
  tell "\n"
  tell "joinFileName :: String -> String -> FilePath\n"
  tell "joinFileName \"\"  fname = fname\n"
  tell "joinFileName \".\" fname = fname\n"
  tell "joinFileName dir \"\"    = dir\n"
  tell "joinFileName dir@(c:cs) fname\n"
  tell "  | isPathSeparator (lastChar c cs) = dir ++ fname\n"
  tell "  | otherwise                       = dir ++ pathSeparator : fname\n"
  tell " where\n"
  tell "  -- We do not use Data.List.NonEmpty.last, as that would limit the module to\n"
  tell "  -- base >= 4.9.0.0 (GHC >= 8.0.1).\n"
  tell "  lastChar x [] = x\n"
  tell "  lastChar _ (x:xs) = lastChar x xs\n"
  tell "\n"
  tell "pathSeparator :: Char\n"
  if (zIsWindows z_root)
  then do
    tell "pathSeparator = '\\\\'\n"
    return ()
  else do
    tell "pathSeparator = '/'\n"
    return ()
  tell "\n"
  tell "isPathSeparator :: Char -> Bool\n"
  if (zIsWindows z_root)
  then do
    tell "isPathSeparator c = c == '/' || c == '\\\\'\n"
    return ()
  else do
    tell "isPathSeparator c = c == '/'\n"
    return ()