From 556a098cd76aa850fb2e2ec1d75cabd6e8a84a98 Mon Sep 17 00:00:00 2001
From: Kenneth Lundin <kenneth@erlang.org>
Date: Thu, 23 Sep 2010 16:42:48 +0200
Subject: temp

---
 lib/asn1/src/asn1ct_constructed_per.erl | 65 ++++++++++++++++++++++++++-------
 1 file changed, 51 insertions(+), 14 deletions(-)

(limited to 'lib')

diff --git a/lib/asn1/src/asn1ct_constructed_per.erl b/lib/asn1/src/asn1ct_constructed_per.erl
index df430c4f88..c4e1ce47d9 100644
--- a/lib/asn1/src/asn1ct_constructed_per.erl
+++ b/lib/asn1/src/asn1ct_constructed_per.erl
@@ -77,23 +77,39 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) ->
 	{[],EmptyCL} when EmptyCL == {[],[],[]};EmptyCL == {[],[]};EmptyCL == [] -> 
 	    emit(["%%Variable setting just to eliminate ",
 		  "compiler warning for unused vars!",nl,
-		  "_Val = ",{var,asn1ct_name:curr(val)},",",nl]);
+		  "_Val = ",{curr,val},",",nl]);
 	{[],_} ->
-	    emit([{var,asn1ct_name:next(val)}," = ?RT_PER:list_to_record("]),
+	    emit([{next,val}," = ?RT_PER:list_to_record("]),
 	    emit(["'",asn1ct_gen:list2rname(Typename),"'"]),
-	    emit([", ",{var,asn1ct_name:curr(val)},"),",nl]);
+	    emit([", ",{curr,val},"),",nl]);
 	_ ->
 	    Fixoptcall = ",Opt} = ?RT_PER:fixoptionals(",
-	    emit({"{",{var,asn1ct_name:next(val)},Fixoptcall,
+	    emit({"{",{next,val},Fixoptcall,
 		  {asis,Optionals},",",length(Optionals),
-		  ",",{var,asn1ct_name:curr(val)},"),",nl})
+		  ",",{curr,val},"),",nl})
     end,
     asn1ct_name:new(val),
     Ext = extensible_enc(CompList),
     case Ext of
 	{ext,_,NumExt} when NumExt > 0 ->
+	    case extgroup_pos_and_length(CompList) of
+		{extgrouppos,ExtGroupPos,ExtGroupLen} ->
+		    Elements = make_elements(ExtGroupPos+1,
+					     "Val",lists:seq(1,ExtGroupLen)),
+		    emit([
+			  {next,val}," = case [X || X <- [",
+			  {asis,Elements},
+			  "],X =/= asn1_NOVALUE] of",nl,
+			  "[] -> ",{curr,val},";",nl,
+			  "_ -> setelement(",{asis,ExtGroupPos+1},{curr,val},
+			  "{extaddgroup,", {asis,Elements},"})",nl,
+			  "end,",nl]);
+		_ -> % no extensionAdditionGroup
+		    ok
+	    end,
+	    asn1ct_name:new(tmpval),
 	    emit(["Extensions = ?RT_PER:fixextensions(",{asis,Ext},
-		  ", ",{curr,val},"),",nl]);
+		  {curr,val},",),",nl]);
 	_ -> true
     end,
     EncObj =
@@ -596,6 +612,27 @@ ext_length([#'ComponentType'{}|T],State=normal,Acc) ->
 ext_length([],_,Acc) ->
     Acc.
 
+extgroup_pos_and_length(CompList) when is_list(CompList) ->
+    noextgroup;
+extgroup_pos_and_length({RootList,ExtList}) ->
+    extgrouppos(ExtList,length(RootList)+1);
+extgroup_pos_and_length({Rl1,Ext,Rl2}) ->
+    extgrouppos(Ext,length(Rl1)+length(Rl2)+1).
+
+extgrouppos([{'ExtensionAdditionGroup',_Num}|T],Pos) ->
+    extgrouppos(T,Pos,0);
+extgrouppos([_|T],Pos) ->
+    extgrouppos(T,Pos+1);
+extgrouppos([],_) ->
+    noextgroup.
+
+extgrouppos(['ExtensionAdditionGroupEnd'|_T],Pos,Len) ->
+    {extgrouppos,Pos,Len};
+extgrouppos([_|T],Pos,Len) ->
+    extgrouppos(T,Pos,Len+1).
+    
+
+
 gen_dec_extension_value(_) ->
     emit({"{Ext,",{next,bytes},"} = ?RT_PER:getext(",{curr,bytes},")"}),
     asn1ct_name:new(bytes).
@@ -760,17 +797,17 @@ gen_enc_component_default(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext,DefaultVal
 gen_enc_component_optional(Erule,TopType,Cname,
 			   Type=#type{def=#'SEQUENCE'{
 					extaddgroup=Number,
-					components=ExtGroupCompList}},
+					components=_ExtGroupCompList}},
 			   Pos,DynamicEnc,Ext) when is_integer(Number) ->
-    emit({nl,"begin",nl}),
 
+    Element = make_element(Pos+1,"Val2",Cname),
+    emit({"case ",Element," of",nl}),
+
+    emit({"asn1_NOVALUE -> [];",nl}),
     asn1ct_name:new(tmpval),
-    ExtAddGroupTypeName = asn1ct_gen:list2name([Cname|TopType]),
-    emit({{curr,tmpval}," = {'",ExtAddGroupTypeName,"', "}),
-    ExtNames = [ExtName||#'ComponentType'{name=ExtName}<-ExtGroupCompList],
-    Elements = make_elements(Pos+1,"Val1",ExtNames),
-    emit({Elements,"},"}),
-      InnerType = asn1ct_gen:get_inner(Type#type.def),
+    emit({{curr,tmpval}," ->",nl}),
+    asn1ct_name:new(tmpval),
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
     emit({nl,"%% attribute number ",Pos," with type ",
 	      InnerType,nl}),
     NextElement = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)),
-- 
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