For GHC, implement the Typeable.hs macros using standalone deriving

[ghc-base.git] / System / Posix / Types.hs

diff --git a/System/Posix/Types.hs b/System/Posix/Types.hs
index 79b3446..d5d26c6 100644 (file)
--- a/System/Posix/Types.hs
+++ b/System/Posix/Types.hs
@@ -1,4 +1,13 @@
-{-# OPTIONS -fno-implicit-prelude #-}
+{-# LANGUAGE CPP
+           , NoImplicitPrelude
+           , MagicHash
+           , GeneralizedNewtypeDeriving
+  #-}
+{-# OPTIONS_GHC -fno-warn-unused-binds #-}
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
+#endif
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  System.Posix.Types
@@ -9,88 +18,193 @@
 -- Stability   :  provisional
 -- Portability :  non-portable (requires POSIX)
 --
--- POSIX data types
+-- POSIX data types: Haskell equivalents of the types defined by the
+-- @\<sys\/types.h>@ C header on a POSIX system.
 --
 -----------------------------------------------------------------------------
+#ifdef __NHC__
+#define HTYPE_DEV_T
+#define HTYPE_INO_T
+#define HTYPE_MODE_T
+#define HTYPE_OFF_T
+#define HTYPE_PID_T
+#define HTYPE_SSIZE_T
+#define HTYPE_GID_T
+#define HTYPE_NLINK_T
+#define HTYPE_UID_T
+#define HTYPE_CC_T
+#define HTYPE_SPEED_T
+#define HTYPE_TCFLAG_T
+#define HTYPE_RLIM_T
+#define HTYPE_NLINK_T
+#define HTYPE_UID_T
+#define HTYPE_GID_T
+#else
+#include "HsBaseConfig.h"
+#endif
 
 module System.Posix.Types (
-  CDev(..), CIno(..), CMode(..), COff(..), CPid(..), CSsize(..),
 
-#ifndef mingw32_TARGET_OS
-  CGid(..), CNlink(..), CSsize(..), CUid(..), CCc(..), CSpeed(..),
-  CTcflag(..), CBlkCnt(..), 
+  -- * POSIX data types
+#if defined(HTYPE_DEV_T)
+  CDev,
+#endif
+#if defined(HTYPE_INO_T)
+  CIno,
+#endif
+#if defined(HTYPE_MODE_T)
+  CMode,
+#endif
+#if defined(HTYPE_OFF_T)
+  COff,
+#endif
+#if defined(HTYPE_PID_T)
+  CPid,
+#endif
+#if defined(HTYPE_SSIZE_T)
+  CSsize,
+#endif
+
+#if defined(HTYPE_GID_T)
+  CGid,
+#endif
+#if defined(HTYPE_NLINK_T)
+  CNlink,
+#endif
+#if defined(HTYPE_UID_T)
+  CUid,
+#endif
+#if defined(HTYPE_CC_T)
+  CCc,
+#endif
+#if defined(HTYPE_SPEED_T)
+  CSpeed,
+#endif
+#if defined(HTYPE_TCFLAG_T)
+  CTcflag,
+#endif
+#if defined(HTYPE_RLIM_T)
+  CRLim,
 #endif
 
   Fd(..),
 
+#if defined(HTYPE_NLINK_T)
+  LinkCount,
+#endif
+#if defined(HTYPE_UID_T)
+  UserID,
+#endif
+#if defined(HTYPE_GID_T)
+  GroupID,
+#endif
+
   ByteCount,
   ClockTick,
   EpochTime,
   FileOffset,
-  GroupID,
-  LinkCount,
   ProcessID,
   ProcessGroupID,
-  UserID,
   DeviceID,
   FileID,
-  FileMode
+  FileMode,
+  Limit
  ) where
 
+#ifdef __NHC__
+import NHC.PosixTypes
+import Foreign.C
+#else
+
 import Foreign
 import Foreign.C
-import Data.Dynamic
-import Data.Bits
+import Data.Typeable
+-- import Data.Bits
 
 #ifdef __GLASGOW_HASKELL__
 import GHC.Base
 import GHC.Enum
 import GHC.Num
 import GHC.Real
-import GHC.Prim
+-- import GHC.Prim
 import GHC.Read
 import GHC.Show
+#else
+import Control.Monad
 #endif
 
-#include "Dynamic.h"
 #include "CTypes.h"
-#include "config.h"
 
-NUMERIC_TYPE(CDev,tyConCDev,"CDev",HTYPE_DEV_T)
+#if defined(HTYPE_DEV_T)
+ARITHMETIC_TYPE(CDev,tyConCDev,"CDev",HTYPE_DEV_T)
+#endif
+#if defined(HTYPE_INO_T)
 INTEGRAL_TYPE(CIno,tyConCIno,"CIno",HTYPE_INO_T)
+#endif
+#if defined(HTYPE_MODE_T)
 INTEGRAL_TYPE(CMode,tyConCMode,"CMode",HTYPE_MODE_T)
+#endif
+#if defined(HTYPE_OFF_T)
 INTEGRAL_TYPE(COff,tyConCOff,"COff",HTYPE_OFF_T)
+#endif
+#if defined(HTYPE_PID_T)
 INTEGRAL_TYPE(CPid,tyConCPid,"CPid",HTYPE_PID_T)
+#endif
 
-#ifdef mingw32_TARGET_OS
-INTEGRAL_TYPE(CSsize,tyConCSsize,"CSsize",HTYPE_SIZE_T)
-#else
+#if defined(HTYPE_SSIZE_T)
 INTEGRAL_TYPE(CSsize,tyConCSsize,"CSsize",HTYPE_SSIZE_T)
 #endif
 
-#ifndef mingw32_TARGET_OS
+#if defined(HTYPE_GID_T)
 INTEGRAL_TYPE(CGid,tyConCGid,"CGid",HTYPE_GID_T)
+#endif
+#if defined(HTYPE_NLINK_T)
 INTEGRAL_TYPE(CNlink,tyConCNlink,"CNlink",HTYPE_NLINK_T)
+#endif
+
+#if defined(HTYPE_UID_T)
 INTEGRAL_TYPE(CUid,tyConCUid,"CUid",HTYPE_UID_T)
-NUMERIC_TYPE(CCc,tyConCCc,"CCc",HTYPE_CC_T)
-NUMERIC_TYPE(CSpeed,tyConCSpeed,"CSpeed",HTYPE_SPEED_T)
+#endif
+#if defined(HTYPE_CC_T)
+ARITHMETIC_TYPE(CCc,tyConCCc,"CCc",HTYPE_CC_T)
+#endif
+#if defined(HTYPE_SPEED_T)
+ARITHMETIC_TYPE(CSpeed,tyConCSpeed,"CSpeed",HTYPE_SPEED_T)
+#endif
+#if defined(HTYPE_TCFLAG_T)
 INTEGRAL_TYPE(CTcflag,tyConCTcflag,"CTcflag",HTYPE_TCFLAG_T)
-INTEGRAL_TYPE(CBlkCnt,tyConBlkCnd,"CBlkCnt",HTYPE_BLKCNT_T)
 #endif
+#if defined(HTYPE_RLIM_T)
+INTEGRAL_TYPE(CRLim,tyConCRlim,"CRLim",HTYPE_RLIM_T)
+#endif
+
+-- ToDo: blksize_t, clockid_t, blkcnt_t, fsblkcnt_t, fsfilcnt_t, id_t, key_t
+-- suseconds_t, timer_t, useconds_t
 
 -- Make an Fd type rather than using CInt everywhere
 INTEGRAL_TYPE(Fd,tyConFd,"Fd",CInt)
 
 -- nicer names, and backwards compatibility with POSIX library:
+#if defined(HTYPE_NLINK_T)
+type LinkCount      = CNlink
+#endif
+#if defined(HTYPE_UID_T)
+type UserID         = CUid
+#endif
+#if defined(HTYPE_GID_T)
+type GroupID        = CGid
+#endif
+
+#endif /* !__NHC__ */
+
 type ByteCount      = CSize
 type ClockTick      = CClock
 type EpochTime      = CTime
-type LinkCount      = CNlink
 type DeviceID       = CDev
 type FileID         = CIno
 type FileMode       = CMode
 type ProcessID      = CPid
-type UserID         = CUid
-type GroupID        = CGid
 type FileOffset     = COff
 type ProcessGroupID = CPid
+type Limit          = CLong
+