{-# NOINLINE name #-}
#endif
-#if __GLASGOW_HASKELL__ >= 620
-#define UNBOX_FIELD !!
-#else
-#define UNBOX_FIELD !
-#endif
-
#define COMMA ,
#ifdef DEBUG
+#define debugIsOn True
#define ASSERT(e) if (not (e)) then (assertPanic __FILE__ __LINE__) else
#define ASSERT2(e,msg) if (not (e)) then (assertPprPanic __FILE__ __LINE__ (msg)) else
#define WARN( e, msg ) (warnPprTrace (e) __FILE__ __LINE__ (msg))
#define ASSERTM(mbool) do { bool <- mbool; ASSERT(bool) return () }
#define ASSERTM2(mbool,msg) do { bool <- mbool; ASSERT2(bool,msg) return () }
#else
-#define ASSERT(e) if False then error "ASSERT" else
-#define ASSERT2(e,msg) if False then error "ASSERT2" else
-#define ASSERTM(e)
-#define ASSERTM2(e,msg)
-#define WARN(e,msg) if False then error "WARN" else
+#define debugIsOn False
+-- We have to actually use all the variables we are given or we may get
+-- unused variable warnings when DEBUG is off.
+#define ASSERT(e) if False && (not (e)) then panic "ASSERT" else
+#define ASSERT2(e,msg) if False && (not (e)) then pprPanic "ASSERT2" (msg) else
+#define ASSERTM(e) do { let { _mbool = (e) } }
+-- Here we deliberately don't use when as Control.Monad might not be imported
+#define ASSERTM2(e,msg) do { let { _mbool = (e) }; if False then panic "ASSERTM2" else return () }
+#define WARN(e,msg) if False && (e) then pprPanic "WARN" (msg) else
#endif
--- This #ifndef lets us switch off the "import FastString"
--- when compiling FastString itself
-#ifndef COMPILING_FAST_STRING
+-- This conditional lets us switch off the "import FastString"
+-- when compiling FastString itself, or when compiling modules that
+-- don't use it (and would otherwise get warnings, which we treat
+-- as errors). Can we do this more nicely?
+#if !defined(COMPILING_FAST_STRING) && !defined(FAST_STRING_NOT_NEEDED)
--
import qualified FastString as FS
#endif