remove instances from ExplImpComponentNrs, because it is always []

frontend/check.icl

@@ -3125,7 +3125,7 @@ where
 			mark_belongings_of_expl_imp_symbol decl=:(Declaration {decl_ident={id_info}}) (dcl_modules, cs_symbol_table)
 				# (ste, cs_symbol_table) = readPtr id_info cs_symbol_table
 				= case ste of
-					({ste_kind=STE_ExplImpComponentNrs component_numbers inst_indices})
+					({ste_kind=STE_ExplImpComponentNrs component_numbers})
 						# (all_belonging_symbols, dcl_modules) = getBelongingSymbols decl dcl_modules
 						-> (dcl_modules, foldlBelongingSymbols mark_belonging_symbol all_belonging_symbols cs_symbol_table)
 						where
@@ -3156,7 +3156,7 @@ where
 			unmark_belongings_of_expl_imp_symbol decl=:(Declaration {decl_ident={id_info}}) (dcl_modules, cs_symbol_table)
 				# (ste, cs_symbol_table) = readPtr id_info cs_symbol_table
 				= case ste of
-					({ste_kind=STE_ExplImpComponentNrs component_numbers inst_indices})
+					({ste_kind=STE_ExplImpComponentNrs component_numbers})
 						# (all_belonging_symbols, dcl_modules) = getBelongingSymbols decl dcl_modules
 						-> (dcl_modules, foldlBelongingSymbols unmark_belonging_symbol all_belonging_symbols cs_symbol_table)
 						where
@@ -3249,7 +3249,7 @@ update_expl_imp_for_marked_local_symbol mod_index decl=:(Declaration {decl_ident
 where
 	updateExplImpForMarkedLocalSymbol :: !Index Declaration !SymbolTableEntry !u:{#DclModule} !{!{!*ExplImpInfo}} !*SymbolTable
 			-> (!u:{#DclModule}, !{!{!.ExplImpInfo}}, !.SymbolTable)
-	updateExplImpForMarkedLocalSymbol mod_index decl {ste_kind=STE_ExplImpComponentNrs component_numbers inst_indices}
+	updateExplImpForMarkedLocalSymbol mod_index decl {ste_kind=STE_ExplImpComponentNrs component_numbers}
 				dcl_modules expl_imp_infos cs_symbol_table
 		= foldSt (addExplImpInfo mod_index decl) component_numbers (dcl_modules, expl_imp_infos, cs_symbol_table)
 	  where

frontend/explicitimports.icl

@@ -34,18 +34,18 @@ markExplImpSymbols component_nr (expl_imp_info, cs_symbol_table)
 		  (ste, cs_symbol_table) = readPtr eii_ident.id_info cs_symbol_table
 		  cai = { cai_component_nr = component_nr, cai_index = i }
 		= case ste.ste_kind of
-			STE_ExplImpComponentNrs component_nrs _
-				# new_ste_kind = STE_ExplImpComponentNrs [cai:component_nrs] []
+			STE_ExplImpComponentNrs component_nrs
+				# new_ste_kind = STE_ExplImpComponentNrs [cai:component_nrs]
 				  cs_symbol_table = writePtr eii_ident.id_info { ste & ste_kind = new_ste_kind } cs_symbol_table
 				-> (changed_symbols_accu, expl_imp_info_from_component, cs_symbol_table)
 			_
-				# new_ste = { ste & ste_kind = STE_ExplImpComponentNrs [cai] [], ste_previous = ste }
+				# new_ste = { ste & ste_kind = STE_ExplImpComponentNrs [cai], ste_previous = ste }
 				-> ([eii_ident:changed_symbols_accu], expl_imp_info_from_component, writePtr eii_ident.id_info new_ste cs_symbol_table)
 
 updateExplImpForMarkedSymbol :: !Index !Declaration !SymbolTableEntry !u:{#DclModule} !{!{!*ExplImpInfo}} !*SymbolTable
 		-> (!u:{#DclModule}, !{!{!.ExplImpInfo}}, !.SymbolTable)
-updateExplImpForMarkedSymbol mod_index decl {ste_kind=STE_ExplImpComponentNrs component_numbers inst_indices} dcl_modules expl_imp_infos cs_symbol_table
-	= foldSt (addExplImpInfo mod_index decl inst_indices) component_numbers (dcl_modules, expl_imp_infos, cs_symbol_table)
+updateExplImpForMarkedSymbol mod_index decl {ste_kind=STE_ExplImpComponentNrs component_numbers} dcl_modules expl_imp_infos cs_symbol_table
+	= foldSt (addExplImpInfo mod_index decl []) component_numbers (dcl_modules, expl_imp_infos, cs_symbol_table)
 updateExplImpForMarkedSymbol _ _ entry dcl_modules expl_imp_infos cs_symbol_table
 	= (dcl_modules, expl_imp_infos, cs_symbol_table)
 

frontend/syntax.dcl

@@ -59,10 +59,9 @@ instance == FunctionOrMacroIndex
 				| STE_DictField !SelectorDef
 				| STE_Called ![FunctionOrMacroIndex] /* used during macro expansion to indicate that this function is called */
 				| STE_ExplImpSymbol !Int
-				| STE_ExplImpComponentNrs ![ComponentNrAndIndex] ![Declaration]
+				| STE_ExplImpComponentNrs ![ComponentNrAndIndex]
 					/*	stores the numbers of all module components that import the symbol from
-						the "actual" dcl module. Further for each class all encountered
-						instances are accumulated.
+						the "actual" dcl module.
 					*/
 				| STE_BelongingSymbol !Int