/* ----------------------------------------------------------------------------
- * $Id: InfoTables.h,v 1.19 2000/04/05 15:27:59 simonmar Exp $
+ * $Id: InfoTables.h,v 1.20 2001/03/02 16:12:18 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
/* The type flags provide quick access to certain properties of a closure. */
-#define _HNF (1<<0) /* head normal form? */
+#define _HNF (1<<0) /* head normal form? */
#define _BTM (1<<1) /* bitmap-style layout? */
-#define _NS (1<<2) /* non-sparkable */
-#define _STA (1<<3) /* static? */
-#define _THU (1<<4) /* thunk? */
-#define _MUT (1<<5) /* mutable? */
-#define _UPT (1<<6) /* unpointed? */
-#define _SRT (1<<7) /* has an SRT? */
+#define _NS (1<<2) /* non-sparkable */
+#define _STA (1<<3) /* static? */
+#define _THU (1<<4) /* thunk? */
+#define _MUT (1<<5) /* mutable? */
+#define _UPT (1<<6) /* unpointed? */
+#define _SRT (1<<7) /* has an SRT? */
+#define _IND (1<<8) /* is an indirection? */
#define isSTATIC(flags) ((flags) &_STA)
#define isMUTABLE(flags) ((flags) &_MUT)
#define closure_HNF(c) ( closureFlags(c) & _HNF)
#define closure_BITMAP(c) ( closureFlags(c) & _BTM)
-#define closure_NON_SPARK(c) ( (closureFlags(c) & _NS))
#define closure_SHOULD_SPARK(c) (!(closureFlags(c) & _NS))
#define closure_STATIC(c) ( closureFlags(c) & _STA)
#define closure_THUNK(c) ( closureFlags(c) & _THU)
#define closure_MUTABLE(c) ( closureFlags(c) & _MUT)
#define closure_UNPOINTED(c) ( closureFlags(c) & _UPT)
#define closure_SRT(c) ( closureFlags(c) & _SRT)
+#define closure_IND(c) ( closureFlags(c) & _IND)
/* same as above but for info-ptr rather than closure */
#define ipFlags(ip) (closure_flags[ip->type])
#define ip_MUTABLE(ip) ( ipFlags(ip) & _MUT)
#define ip_UNPOINTED(ip) ( ipFlags(ip) & _UPT)
#define ip_SRT(ip) ( ipFlags(ip) & _SRT)
+#define ip_IND(ip) ( ipFlags(ip) & _IND)
/* -----------------------------------------------------------------------------
Info Tables