* included in the distribution.
*
* $RCSfile: stg.c,v $
- * $Revision: 1.10 $
- * $Date: 1999/12/07 11:14:56 $
+ * $Revision: 1.15 $
+ * $Date: 2000/03/23 14:54:21 $
* ------------------------------------------------------------------------*/
-#include "prelude.h"
+#include "hugsbasictypes.h"
#include "storage.h"
-#include "backend.h"
#include "connect.h"
#include "errors.h"
-#include "link.h" /* for nameTrue/False */
+
#include "Assembler.h" /* for AsmRep and primops */
/* --------------------------------------------------------------------------
* Utility functions
* ------------------------------------------------------------------------*/
-void* stgConInfo( StgDiscr d )
+/* Make an info table for a constructor or tuple. */
+void* stgConInfo ( StgDiscr d )
{
+ int tag;
switch (whatIs(d)) {
- case NAME:
+ case NAME: {
+ tag = cfunOf(d);
+ if (tag > 0) tag--;
if (!name(d).itbl)
- name(d).itbl = asmMkInfo(cfunOf(d),name(d).arity);
+ name(d).itbl = asmMkInfo(tag,name(d).arity);
return name(d).itbl;
- case TUPLE:
+ }
+ case TUPLE: {
+ tag = 0;
if (!tycon(d).itbl)
- tycon(d).itbl = asmMkInfo(0,tupleOf(d));
+ tycon(d).itbl = asmMkInfo(tag,tupleOf(d));
return tycon(d).itbl;
+ }
default:
internal("stgConInfo");
}
}
-int stgDiscrTag( StgDiscr d )
+/* Return the tag for a constructor or tuple, starting at zero. */
+int stgDiscrTag ( StgDiscr d )
{
+ int tag;
switch (whatIs(d)) {
- case NAME:
- return cfunOf(d);
- case TUPLE:
- return 0;
- default:
- internal("stgDiscrTag");
+ case NAME: tag = cfunOf(d); break;
+ case TUPLE: tag = 0;
+ default: internal("stgDiscrTag");
}
+ if (tag > 0) tag--;
+ return tag;
}
/* --------------------------------------------------------------------------
* Local functions
* ------------------------------------------------------------------------*/
-static Void local pIndent Args((Int));
-
-static Void local putStgVar Args((StgVar));
-static Void local putStgVars Args((List));
-static Void local putStgAtom Args((StgAtom a));
-static Void local putStgAtoms Args((List as));
-static Void local putStgBinds Args((List));
-static Void local putStgExpr Args((StgExpr));
-static Void local putStgRhs Args((StgRhs));
-static Void local putStgPat Args((StgCaseAlt));
-static Void local putStgPrimPat Args((StgPrimAlt));
+static Void local pIndent ( Int );
+static Void local putStgVar ( StgVar );
+static Void local putStgVars ( List );
+static Void local putStgAtom ( StgAtom a );
+static Void local putStgAtoms ( List as );
+static Void local putStgBinds ( List );
+static Void local putStgExpr ( StgExpr );
+static Void local putStgRhs ( StgRhs );
+static Void local putStgPat ( StgCaseAlt );
+static Void local putStgPrimPat ( StgPrimAlt );
endStgPP(fp);
}
-#if 1 /*DEBUG_PRINTER*/
Void ppStg( StgVar v )
{
printStg(stdout,v);
printf("\n");
endStgPP(stdout);
}
-#endif
/*-------------------------------------------------------------------------*/