compiler/HsVersions.h

   1 #ifndef HSVERSIONS_H
   2 #define HSVERSIONS_H
   3
   4 #if 0
   5
   6 IMPORTANT!  If you put extra tabs/spaces in these macro definitions,
   7 you will screw up the layout where they are used in case expressions!
   8
   9 (This is cpp-dependent, of course)
  10
  11 #endif
  12
  13 /* Useful in the headers that we share with the RTS */
  14 #define COMPILING_GHC 1
  15
  16 /* Pull in all the platform defines for this build (foo_TARGET_ARCH etc.) */
  17 #include "ghc_boot_platform.h"
  18
  19 /* Pull in the autoconf defines (HAVE_FOO), but don't include
  20  * ghcconfig.h, because that will include ghcplatform.h which has the
  21  * wrong platform settings for the compiler (it has the platform
  22  * settings for the target plat instead). */
  23 #include "../includes/ghcautoconf.h"
  24
  25 /* Global variables may not work in other Haskell implementations,
  26  * but we need them currently! so the conditional on GLASGOW won't do. */
  27 #if defined(__GLASGOW_HASKELL__) || !defined(__GLASGOW_HASKELL__)
  28 #define GLOBAL_VAR(name,value,ty)  \
  29 {-# NOINLINE name #-};             \
  30 name :: IORef (ty);                \
  31 name = Util.global (value);
  32
  33 #define GLOBAL_VAR_M(name,value,ty) \
  34 {-# NOINLINE name #-};              \
  35 name :: IORef (ty);                 \
  36 name = Util.globalM (value);
  37 #endif
  38
  39 #define ASSERT(e)      if debugIsOn && not (e) then (assertPanic __FILE__ __LINE__) else
  40 #define ASSERT2(e,msg) if debugIsOn && not (e) then (assertPprPanic __FILE__ __LINE__ (msg)) else
  41 #define WARN( e, msg ) (warnPprTrace (e) __FILE__ __LINE__ (msg)) $
  42
  43 -- Examples:   Assuming   flagSet :: String -> m Bool
  44 --
  45 --    do { c   <- getChar; MASSERT( isUpper c ); ... }
  46 --    do { c   <- getChar; MASSERT2( isUpper c, text "Bad" ); ... }
  47 --    do { str <- getStr;  ASSERTM( flagSet str ); .. }
  48 --    do { str <- getStr;  ASSERTM2( flagSet str, text "Bad" ); .. }
  49 --    do { str <- getStr;  WARNM2( flagSet str, text "Flag is set" ); .. }
  50 #define MASSERT(e)      ASSERT(e) return ()
  51 #define MASSERT2(e,msg) ASSERT2(e,msg) return ()
  52 #define ASSERTM(e)      do { bool <- e; MASSERT(bool) }
  53 #define ASSERTM2(e,msg) do { bool <- e; MASSERT2(bool,msg) }
  54 #define WARNM2(e,msg)   do { bool <- e; WARN(bool, msg) return () }
  55
  56 -- Useful for declaring arguments to be strict
  57 #define STRICT1(f) f a | a `seq` False = undefined
  58 #define STRICT2(f) f a b | a `seq` b `seq` False = undefined
  59 #define STRICT3(f) f a b c | a `seq` b `seq` c `seq` False = undefined
  60 #define STRICT4(f) f a b c d | a `seq` b `seq` c `seq` d `seq` False = undefined
  61 #define STRICT5(f) f a b c d e | a `seq` b `seq` c `seq` d `seq` e `seq` False = undefined
  62 #define STRICT6(f) f a b c d e f | a `seq` b `seq` c `seq` d `seq` e `seq` f `seq` False = undefined
  63
  64 #endif /* HsVersions.h */
  65