- cosmetic changes: made some String-representation of type names symbolic

  for the dynamic linker.

frontend/predef.dcl

@@ -203,6 +203,8 @@ UnderscoreSystemDynamicModule_String	:== "_SystemDynamic"
 
 DynamicRepresentation_String			:== "DynamicTemp"		
 
+T_ypeObjectTypeRepresentation_String	:== "T_ypeObjectType"
+
 // List-type
 PD_ListType_String				:== "_List"
 PD_ConsSymbol_String			:== "_Cons"

frontend/predef.icl

@@ -280,7 +280,7 @@ predefined_idents
 					[PD_FromThenTo] = i "_from_then_to",
 					
 					[PD_TypeCodeClass] = i "TC",
-					[PD_TypeObjectType] = i "T_ypeObjectType",
+					[PD_TypeObjectType] = i T_ypeObjectTypeRepresentation_String,
 					[PD_TypeConsSymbol] = i "T_ypeConsSymbol",
 					[PD_variablePlaceholder] = i "P_laceholder",
 					[PD_UvariablePlaceholder] = i "UP_laceholder",
@@ -634,6 +634,8 @@ UnderscoreSystemDynamicModule_String	:== "_SystemDynamic"
 
 DynamicRepresentation_String			:== "DynamicTemp"		
 
+T_ypeObjectTypeRepresentation_String	:== "T_ypeObjectType"
+
 // List-type
 PD_ListType_String				:== "_List"
 PD_ConsSymbol_String			:== "_Cons"

frontend/type_io_common.icl

@@ -63,8 +63,12 @@ MaybeJustCode					:== (toChar 31)
 // used by {compiler,dynamic rts} to make String representation of types
 PredefinedModuleName			:== "_predefined"
 
+isPredefinedModuleName name		:== name == PredefinedModuleName
+
 UnderscoreSystemModule			:== "_system"		// implements the predefined module
 
+LowLevelInterfaceModule			:== "StdDynamicLowLevelInterface"
+
 instance toString GlobalTCType
 where
 	toString (GTT_Basic basic_type)							= create_type_string (toString basic_type) PredefinedModuleName