for review: activate type_ctor_representation

[Tyson Dowd]

Hi,

This change activates some changes I made earlier.

===================================================================


Estimated hours taken: 0.5

The next stage in cleaning up the RTTI information.  Make the
type_ctor_representation available.

compiler/base_type_info.m:
	Output type_ctor_representation.

runtime/mercury_type_info.h:
	Set the offset for type_ctor_layout to the new offset.


Index: compiler/base_type_info.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/base_type_info.m,v
retrieving revision 1.23
diff -u -r1.23 base_type_info.m
--- base_type_info.m	1999/04/08 08:41:00	1.23
+++ base_type_info.m	1999/04/16 06:41:37
@@ -163,18 +163,11 @@
 		base_type_info__construct_functors(ModuleInfo, TypeName,
 			TypeArity, FunctorsArg),
 		base_type_info__construct_type_ctor_representation(HldsDefn,
-			_TypeCtorArg),
-			% XXX we put the layout argument twice.
-			% this is just temporary for bootstrapping
-			% purposes.  We will replace the LayoutArg with
-			% TypeCtorArg when the installed compiler
-			% generates the layout in a later slot, and
-			% change the #defines runtime/mercury_type_info.h
-			% to use the later slot.
+			TypeCtorArg),
 		prog_out__sym_name_to_string(ModuleName, ModuleNameString),
 		NameArg = yes(const(string_const(TypeName))),
 		ModuleArg = yes(const(string_const(ModuleNameString))),
-		list__append(PredAddrArgs, [LayoutArg, FunctorsArg, LayoutArg,
+		list__append(PredAddrArgs, [TypeCtorArg, FunctorsArg, LayoutArg,
 			ModuleArg, NameArg], FinalArgs)
 	;
 		FinalArgs = PredAddrArgs
Index: runtime/mercury_type_info.h
===================================================================
RCS file: /home/mercury1/repository/mercury/runtime/mercury_type_info.h,v
retrieving revision 1.18
diff -u -r1.18 mercury_type_info.h
--- mercury_type_info.h	1999/04/16 06:05:40	1.18
+++ mercury_type_info.h	1999/04/16 06:42:08
@@ -46,8 +46,8 @@
 #define OFFSET_FOR_UNIFY_PRED 1
 #define OFFSET_FOR_INDEX_PRED 2
 #define OFFSET_FOR_COMPARE_PRED 3
-#define OFFSET_FOR_BASE_TYPE_LAYOUT 4
 #define OFFSET_FOR_BASE_TYPE_FUNCTORS 5
+#define OFFSET_FOR_BASE_TYPE_LAYOUT 6
 #define OFFSET_FOR_TYPE_MODULE_NAME 7
 #define OFFSET_FOR_TYPE_NAME 8
 


-- 
       Tyson Dowd           # There isn't any reason why Linux can't be
                            # implemented as an enterprise computing solution.
     trd at cs.mu.oz.au        # Find out what you've been missing while you've
http://www.cs.mu.oz.au/~trd # been rebooting Windows NT. -- InfoWorld, 1998.