The R13B03 release.OTP_R13B03

1 files changed, 1571 insertions, 0 deletions

diff --git a/lib/asn1/src/asn1ct_constructed_ber.erl b/lib/asn1/src/asn1ct_constructed_ber.erl
new file mode 100644
index 0000000000..51a241ffbd
--- /dev/null
+++ b/lib/asn1/src/asn1ct_constructed_ber.erl
@@ -0,0 +1,1571 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%%
+-module(asn1ct_constructed_ber).
+
+-export([gen_encode_sequence/3]).
+-export([gen_decode_sequence/3]).
+-export([gen_encode_set/3]).
+-export([gen_decode_set/3]).
+-export([gen_encode_sof/4]).
+-export([gen_decode_sof/4]).
+-export([gen_encode_choice/3]).
+-export([gen_decode_choice/3]).
+
+%%%% Application internal exports 
+-export([match_tag/2]).
+
+-include("asn1_records.hrl").
+
+-import(asn1ct_gen, [emit/1,demit/1,get_record_name_prefix/0]).
+
+% the encoding of class of tag bits 8 and 7
+-define(UNIVERSAL,   0).
+-define(APPLICATION, 16#40).
+-define(CONTEXT,     16#80).
+-define(PRIVATE,     16#C0).
+
+% primitive or constructed encoding % bit 6
+-define(PRIMITIVE,   0).
+-define(CONSTRUCTED, 2#00100000).
+
+
+
+
+%%===============================================================================
+%%===============================================================================
+%%===============================================================================
+%%  Encode/decode SEQUENCE
+%%===============================================================================
+%%===============================================================================
+%%===============================================================================
+
+gen_encode_sequence(Erules,Typename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    asn1ct_name:new(term),
+    asn1ct_name:new(bytes),
+    
+    %% if EXTERNAL type the input value must be transformed to 
+    %% ASN1 1990 format
+    case Typename of
+	['EXTERNAL'] ->
+	    emit(["   NewVal = asn1rt_check:transform_to_EXTERNAL1990(Val),",
+		  nl]);
+	_ ->
+	    ok
+    end,
+
+    {SeqOrSet,TableConsInfo,CompList} = 
+	case D#type.def of
+	    #'SEQUENCE'{tablecinf=TCI,components=CL} -> 
+		{'SEQUENCE',TCI,CL};
+	    #'SET'{tablecinf=TCI,components=CL} -> 
+		{'SET',TCI,CL}
+	end,
+    Ext = extensible(CompList),
+    CompList1 = case CompList of
+		    {Rl1,El,Rl2} -> Rl1 ++ El ++ Rl2;
+		    {Rl,El} -> Rl ++ El;
+		    _ -> CompList
+		end,
+    EncObj =
+	case TableConsInfo of
+	    #simpletableattributes{usedclassfield=Used,
+				   uniqueclassfield=Unique} when Used /= Unique ->
+		false;
+	    %% ObjectSetRef, name of the object set in constraints
+	    %% 
+	    %%{ObjectSetRef,AttrN,N,UniqueFieldName}
+	    #simpletableattributes{objectsetname=ObjectSetRef,
+				   c_name=AttrN,
+				   c_index=N,
+				   usedclassfield=UniqueFieldName,
+				   uniqueclassfield=UniqueFieldName,
+				   valueindex=ValueIndex
+				  } ->
+		OSDef =
+		    case ObjectSetRef of
+			{Module,OSName} ->
+			    asn1_db:dbget(Module,OSName);
+			OSName ->
+			    asn1_db:dbget(get(currmod),OSName)
+		    end,
+%		io:format("currmod: ~p~nOSName: ~p~nAttrN: ~p~nN: ~p~nUniqueFieldName: ~p~n",
+%			  [get(currmod),OSName,AttrN,N,UniqueFieldName]),
+		case (OSDef#typedef.typespec)#'ObjectSet'.gen of
+		    true ->
+% 			Val = lists:concat(["?RT_BER:cindex(",
+% 					    N+1,",Val,"]),
+			ObjectEncode = 
+			    asn1ct_gen:un_hyphen_var(lists:concat(['Obj',
+								   AttrN])),
+			emit({ObjectEncode," = ",nl}),
+			{ObjSetMod,ObjSetName} = 
+			    case ObjectSetRef of
+				{M,O} ->
+				    {{asis,M},O};
+				O ->
+				    {"?MODULE",O}
+			    end,
+			emit({"  ",ObjSetMod,":'getenc_",ObjSetName,"'(",{asis,UniqueFieldName},
+			      ", ",nl}),
+%			emit({indent(35),"?RT_BER:cindex(",N+1,", Val,",
+%			      {asis,AttrN},")),",nl}),
+			Length = fun(X,_LFun) when is_atom(X) -> 
+					 length(atom_to_list(X));
+				    (X,_LFun) when is_list(X) ->
+					 length(X);
+				    ({X1,X2},LFun) ->
+					 LFun(X1,LFun) + LFun(X2,LFun)
+				 end,
+			emit([indent(10+Length(ObjectSetRef,Length)),
+			      "value_match(",{asis,ValueIndex},",",
+			      "?RT_BER:cindex(",N+1,",Val,",
+			      {asis,AttrN},"))),",nl]),
+			notice_value_match(),
+			{AttrN,ObjectEncode};
+		    _ ->
+			false
+		end;
+	    _ ->
+		case D#type.tablecinf of
+		    [{objfun,_}|_] ->
+			%% when the simpletableattributes was at an
+			%% outer level and the objfun has been passed
+			%% through the function call
+			{"got objfun through args","ObjFun"};
+		    _ ->
+			false
+		end
+	end,
+
+    gen_enc_sequence_call(Erules,Typename,CompList1,1,Ext,EncObj),
+
+    MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
+	++ 
+	[#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
+	      number = asn1ct_gen_ber:decode_type(SeqOrSet),
+	      form = ?CONSTRUCTED,
+	      type = 'IMPLICIT'}],
+    emit([nl,"   BytesSoFar = "]),
+    case SeqOrSet of
+	'SET' when (D#type.def)#'SET'.sorted == dynamic ->
+	    emit("asn1rt_check:dynamicsort_SET_components(["),
+	    mkvlist(asn1ct_name:all(encBytes)),
+	    emit(["]),",nl]);
+	_ ->
+	    emit("["),
+	    mkvlist(asn1ct_name:all(encBytes)),
+	    emit(["],",nl])
+    end,
+    emit("  LenSoFar = "),
+    case asn1ct_name:all(encLen) of
+	[] -> emit("0");
+	AllLengths -> 
+	    mkvplus(AllLengths)
+    end,
+    emit([",",nl]),
+% emit(["{TagBytes,Len} = ?RT_BER:encode_tags(TagIn ++ ",
+ emit(["  ?RT_BER:encode_tags(TagIn ++ ",
+ 		  {asis,MyTag},", BytesSoFar, LenSoFar).",nl]).
+
+
+gen_decode_sequence(Erules,Typename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    asn1ct_name:new(tag),
+    #'SEQUENCE'{tablecinf=TableConsInfo,components=CList} = D#type.def,
+    Ext = extensible(CList),
+    {CompList,CompList2} = case CList of
+		   {Rl1,El,Rl2} -> {Rl1 ++ El ++ Rl2,CList};
+		   {Rl,El}  -> {Rl ++ El, Rl ++ El};
+		   _ -> {CList,CList}
+	       end,
+
+    emit(["   %%-------------------------------------------------",nl]),
+    emit(["   %% decode tag and length ",nl]),
+    emit(["   %%-------------------------------------------------",nl]),
+
+    asn1ct_name:new(rb),
+    MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
+	++ 
+	[#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
+	      number = asn1ct_gen_ber:decode_type('SEQUENCE'),
+	      form = ?CONSTRUCTED,
+	      type = 'IMPLICIT'}],
+    emit(["   {{_,",asn1ct_gen_ber:unused_var("Len",D#type.def),"},",{next,bytes},",",{curr,rb},
+	  "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
+	  {curr,bytes},", OptOrMand), ",nl]),
+    asn1ct_name:new(bytes),
+    asn1ct_name:new(len),
+
+    case CompList of
+	[] -> true;
+	_ ->
+	    emit({"{",{next,bytes},
+		  ",RemBytes} = ?RT_BER:split_list(",
+		  {curr,bytes},
+		  ",", {prev,len},"),",nl}),
+	    asn1ct_name:new(bytes)
+    end,
+    
+    {DecObjInf,UniqueFName,ValueIndex} =
+	case TableConsInfo of
+	    #simpletableattributes{objectsetname=ObjectSet,
+				   c_name=AttrN,
+				   usedclassfield=UniqueFieldName,
+				   uniqueclassfield=UniqueFieldName,
+				   valueindex=ValIndex
+				  } ->
+		F = fun(#'ComponentType'{typespec=CT})->
+			    case {asn1ct_gen:get_constraint(CT#type.constraint,componentrelation),CT#type.tablecinf} of
+%			    case {CT#type.constraint,CT#type.tablecinf} of
+				{no,[{objfun,_}|_R]} -> true;
+				_ -> false
+			    end
+		    end,
+		case lists:any(F,CompList) of
+		    %%AttributeName = asn1ct_gen:un_hyphen_var(AttrN),
+		    true -> % when component relation constraint establish
+			%% relation from a component to another components
+			%% subtype component
+			{{AttrN,{deep,ObjectSet,UniqueFieldName,
+					 ValIndex}},
+			 UniqueFieldName,ValIndex};
+		    false ->
+			{{AttrN,ObjectSet},UniqueFieldName,ValIndex}
+		end;
+	    _ ->
+		{false,false,false}
+	end,
+    RecordName = lists:concat([get_record_name_prefix(),asn1ct_gen:list2rname(Typename)]),
+    case gen_dec_sequence_call(Erules,Typename,CompList2,Ext,DecObjInf) of
+	no_terms -> % an empty sequence	    
+	    emit([nl,nl]),
+	    demit({"Result = "}), %dbg
+	    %% return value as record
+	    asn1ct_name:new(rb),
+	    emit(["   {{'",RecordName,"'}, ",{curr,bytes},",",nl,"    "]),
+	    asn1ct_gen_ber:add_removed_bytes(),
+	    emit(["}.",nl]);
+	{LeadingAttrTerm,PostponedDecArgs} ->
+	    emit([com,nl,nl]),
+	    case {LeadingAttrTerm,PostponedDecArgs} of
+		{[],[]} ->
+		    ok;
+		{_,[]} ->
+		    ok;
+		{[{ObjSet,LeadingAttr,Term}],PostponedDecArgs} ->
+		    DecObj = asn1ct_gen:un_hyphen_var(lists:concat(['DecObj',LeadingAttr,Term])),
+		    ValueMatch = value_match(ValueIndex,Term),
+		    {ObjSetMod,ObjSetName} =
+			case ObjSet of
+			    {M,O} ->
+				{{asis,M},O};
+			    _ ->
+				{"?MODULE",ObjSet}
+			end,
+		    emit([DecObj," =",nl,"   ",ObjSetMod,":'getdec_",ObjSetName,"'(",
+%			  {asis,UniqueFName},", ",Term,"),",nl}),
+			  {asis,UniqueFName},", ",ValueMatch,"),",nl]),
+		    gen_dec_postponed_decs(DecObj,PostponedDecArgs)
+	    end,
+	    demit({"Result = "}), %dbg
+	    %% return value as record
+	    asn1ct_name:new(rb),
+	    asn1ct_name:new(bytes),
+	    ExtStatus = case Ext of
+			    {ext,_,_} -> ext;
+			    _ -> noext % noext | extensible
+			end,
+	    emit(["   {",{next,bytes},",",{curr,rb},"} = ?RT_BER:restbytes2(RemBytes, ",
+		  {curr,bytes},",",ExtStatus,"),",nl]),
+	    asn1ct_name:new(rb),
+	    case Typename of
+		['EXTERNAL'] ->
+		    emit(["   OldFormat={'",RecordName,
+			  "', "]),
+		    mkvlist(asn1ct_name:all(term)),
+		    emit(["},",nl]),
+		    emit(["   ASN11994Format =",nl,
+			  "      asn1rt_check:transform_to_EXTERNAL1994",
+			  "(OldFormat),",nl]),
+		    emit(["   {ASN11994Format,",{next,bytes},", "]);
+		_ ->
+		    emit(["   {{'",RecordName,"', "]),
+		    mkvlist(asn1ct_name:all(term)),
+		    emit(["}, ",{next,bytes},", "])
+	    end,
+	    asn1ct_gen_ber:add_removed_bytes(),
+	    emit(["}.",nl])
+    end.
+
+gen_dec_postponed_decs(_,[]) ->
+    emit(nl);
+gen_dec_postponed_decs(DecObj,[{_Cname,{FirstPFN,PFNList},Term,TmpTerm,_Tag,OptOrMand}|Rest]) ->
+%    asn1ct_name:new(term),
+    asn1ct_name:new(tmpterm),
+    asn1ct_name:new(reason),
+
+    emit({"{",Term,", _, _} = ",nl}),
+    N = case OptOrMand of
+	    mandatory -> 0;
+	    'OPTIONAL' -> 
+		emit_opt_or_mand_check(asn1_NOVALUE,TmpTerm),
+		6;
+	    {'DEFAULT',Val} ->
+		emit_opt_or_mand_check(Val,TmpTerm),
+		6
+	end,
+    emit({indent(N+3),"case (catch ",DecObj,"(",{asis,FirstPFN},
+%	  ", ",TmpTerm,", ", {asis,Tag},", ",{asis,PFNList},")) of",nl}),
+	  ", ",TmpTerm,", [], ",{asis,PFNList},")) of",nl}),
+    emit({indent(N+6),"{'EXIT', ",{curr,reason},"} ->",nl}),
+    emit({indent(N+9),"exit({'Type not compatible with table constraint',",
+	  {curr,reason},"});",nl}),
+    emit({indent(N+6),{curr,tmpterm}," ->",nl}),
+    emit({indent(N+9),{curr,tmpterm},nl}),
+
+    case OptOrMand of 
+	mandatory -> emit([indent(N+3),"end,",nl]);
+	_ ->
+	    emit([indent(N+3),"end",nl,
+		  indent(3),"end,",nl])
+    end,
+%    emit({indent(3),"end,",nl}),
+    gen_dec_postponed_decs(DecObj,Rest).
+
+
+emit_opt_or_mand_check(Value,TmpTerm) ->
+    emit([indent(3),"case ",TmpTerm," of",nl,
+	  indent(6),{asis,Value}," -> {",{asis,Value},",[],[]};",nl,
+	  indent(6),"_ ->",nl]).
+
+%%============================================================================
+%%  Encode/decode SET
+%%
+%%============================================================================
+
+gen_encode_set(Erules,Typename,D) when is_record(D,type) ->
+    gen_encode_sequence(Erules,Typename,D).
+
+gen_decode_set(Erules,Typename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    asn1ct_name:clear(),
+    asn1ct_name:new(term),
+    asn1ct_name:new(tag),
+    #'SET'{components=TCompList} = D#type.def,
+    Ext = extensible(TCompList),
+    ToOptional = fun(mandatory) ->
+			 'OPTIONAL';
+		    (X) -> X
+		 end,
+    CompList = case TCompList of
+		   {Rl1,El,Rl2} -> 
+		       Rl1 ++ [X#'ComponentType'{prop=ToOptional(Y)}||X = #'ComponentType'{prop=Y}<-El] ++ Rl2;
+		   {Rl,El} -> Rl ++ El;
+		   _ -> TCompList
+	       end,
+
+    emit(["   %%-------------------------------------------------",nl]),
+    emit(["   %% decode tag and length ",nl]),
+    emit(["   %%-------------------------------------------------",nl]),
+
+    asn1ct_name:new(rb),
+    MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
+	++ 
+	[#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
+	      number = asn1ct_gen_ber:decode_type('SET'),
+	      form = ?CONSTRUCTED,
+	      type = 'IMPLICIT'}],
+    emit(["   {{_,Len},",{next,bytes},",",{curr,rb},
+	  "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
+	  {curr,bytes},", OptOrMand), ",nl]),
+    asn1ct_name:new(bytes),
+    asn1ct_name:new(len),
+    asn1ct_name:new(rb),
+
+    emit(["   {SetTerm, SetBytes, ",{curr,rb},"} = ?RT_BER:decode_set(0, Len, ",
+	  {curr,bytes},", OptOrMand, ",
+	  "fun 'dec_",asn1ct_gen:list2name(Typename),"_fun'/2, []),",nl]),
+    
+    asn1ct_name:new(rb),
+    {ExtFlatten1,ExtFlatten2} =
+	case Ext of
+	    noext -> {"",""};
+	    _ -> {"lists:flatten(",")"}
+	end,
+    emit(["   'dec_",asn1ct_gen:list2name(Typename),
+	  "__result__'(lists:sort(",ExtFlatten1,"SetTerm",ExtFlatten2,"), SetBytes, "]),
+    asn1ct_gen_ber:add_removed_bytes(),
+    emit([").",nl,nl,nl]),
+
+    emit({"%%-------------------------------------------------",nl}),
+    emit({"%% Set loop fun for ",asn1ct_gen:list2name(Typename),nl}),
+    emit({"%%-------------------------------------------------",nl}),
+
+    asn1ct_name:clear(),
+    asn1ct_name:new(term),
+    emit(["'dec_",asn1ct_gen:list2name(Typename),"_fun'(",{curr,bytes},
+	  ", OptOrMand) ->",nl]),
+    
+    asn1ct_name:new(bytes),
+    gen_dec_set(Erules,Typename,CompList,1,Ext),
+
+    emit(["      %% tag not found, if extensionmark we should skip bytes here",nl]),
+    emit([indent(6),"_ -> ",nl]),
+    case Ext of
+	noext ->
+	    emit([indent(9),"{[], Bytes,0}",nl]);
+	_ ->
+	    asn1ct_name:new(rbCho),
+	    emit([indent(9),"{RestBytes, ",{curr,rbCho},
+		  "} = ?RT_BER:skipvalue(Bytes),",nl,
+		  indent(9),"{[], RestBytes, ",{curr,rbCho},"}",nl])
+    end,
+    emit([indent(3),"end.",nl,nl,nl]),
+
+
+    emit({"%%-------------------------------------------------",nl}),
+    emit({"%% Result ",asn1ct_gen:list2name(Typename),nl}),
+    emit({"%%-------------------------------------------------",nl}),
+
+    asn1ct_name:clear(),
+    emit({"'dec_",asn1ct_gen:list2name(Typename),"__result__'(",
+	  asn1ct_gen_ber:unused_var("TermList",D#type.def),", Bytes, Rb) ->",nl}),
+    RecordName = lists:concat([get_record_name_prefix(),
+			       asn1ct_gen:list2rname(Typename)]),
+    case gen_dec_set_result(Erules,Typename,CompList) of
+	no_terms -> 	    
+	    %% return value as record
+	    asn1ct_name:new(rb),
+	    emit({"   {{'",RecordName,"'}, Bytes, Rb}.",nl});
+	_ ->
+	    emit({nl,"   case ",{curr,termList}," of",nl}),
+	    emit({"      [] -> {{'",RecordName,"', "}),
+	    mkvlist(asn1ct_name:all(term)),
+	    emit({"}, Bytes, Rb};",nl}),    
+	    emit({"      ExtraAtt -> exit({error,{asn1,{too_many_attributes, ExtraAtt}}})",nl}),
+	    emit({"   end.",nl}),
+	    emit({nl,nl,nl})
+    end.
+
+
+%%===============================================================================
+%%===============================================================================
+%%===============================================================================
+%%  Encode/decode SEQUENCE OF and SET OF
+%%===============================================================================
+%%===============================================================================
+%%===============================================================================
+
+gen_encode_sof(Erules,Typename,_InnerTypename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    {SeqOrSetOf, Cont} = D#type.def,
+
+    Objfun = case D#type.tablecinf of
+		 [{objfun,_}|_R] ->
+		     ", ObjFun";
+		 _ ->
+		     ""
+	     end,
+
+    emit({"   {EncBytes,EncLen} = 'enc_",asn1ct_gen:list2name(Typename),
+	  "_components'(Val",Objfun,",[],0),",nl}),
+
+    MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
+	++ 
+	[#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
+	      number = asn1ct_gen_ber:decode_type(SeqOrSetOf),
+	      form = ?CONSTRUCTED,
+	      type = 'IMPLICIT'}],
+%    gen_encode_tags(Erules,MyTag,"EncLen","EncBytes"),
+ 	    emit(["   ?RT_BER:encode_tags(TagIn ++ ",
+ 		  {asis,MyTag},", EncBytes, EncLen).",nl,nl]),
+
+    gen_encode_sof_components(Erules,Typename,SeqOrSetOf,Cont).
+%     gen_enc_line(Erules,Typename,TypeNameSuffix,Cont,"H",0,
+% 		 mandatory,"{EncBytes,EncLen} = "),
+    
+
+gen_decode_sof(Erules,Typename,_InnerTypename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    asn1ct_name:clear(),
+    {SeqOrSetOf, TypeTag, Cont} = 
+	case D#type.def of
+	    {'SET OF',_Cont} -> {'SET OF','SET',_Cont};
+	    {'SEQUENCE OF',_Cont} -> {'SEQUENCE OF','SEQUENCE',_Cont}
+	end,
+    TypeNameSuffix = asn1ct_gen:constructed_suffix(SeqOrSetOf,Cont#type.def),
+    
+    emit({"   %%-------------------------------------------------",nl}),
+    emit({"   %% decode tag and length ",nl}),
+    emit({"   %%-------------------------------------------------",nl}),
+    
+    asn1ct_name:new(rb),
+    MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
+	++ 
+	[#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
+	      number = asn1ct_gen_ber:decode_type(TypeTag),
+	      form = ?CONSTRUCTED,
+	      type = 'IMPLICIT'}],
+    emit(["   {{_,Len},",{next,bytes},",",{curr,rb},
+	  "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
+	  {curr,bytes},", OptOrMand), ",nl]),
+
+    emit(["   ?RT_BER:decode_components(",{curr,rb}]),
+    InnerType = asn1ct_gen:get_inner(Cont#type.def),
+    ContName = case asn1ct_gen:type(InnerType) of
+		   Atom when is_atom(Atom) -> Atom;
+		   _ -> TypeNameSuffix
+	       end,
+    emit([", Len, ",{next,bytes},", "]),
+%    NewCont = 
+%	case Cont#type.def of
+%	    {'ENUMERATED',_,Components}-> 
+%		Cont#type{def={'ENUMERATED',Components}};
+%	    _ -> Cont
+%	end,
+     ObjFun =
+	case D#type.tablecinf of
+	    [{objfun,_}|_R] ->
+		", ObjFun";
+	    _ ->
+		[]
+	end,
+    gen_dec_line_sof(Erules,Typename,ContName,Cont,ObjFun),
+    emit([", []).",nl,nl,nl]).
+    
+
+gen_encode_sof_components(Erules,Typename,SeqOrSetOf,Cont) 
+  when is_record(Cont,type)->
+
+    {Objfun,ObjFun_novar,EncObj} = 
+	case Cont#type.tablecinf of
+	    [{objfun,_}|_R] ->
+		{", ObjFun",", _",{no_attr,"ObjFun"}};
+	    _ ->
+		{"","",false}
+	end,
+    emit(["'enc_",asn1ct_gen:list2name(Typename),
+	  "_components'([]",ObjFun_novar,", AccBytes, AccLen) -> ",nl]),
+
+    case catch lists:member(der,get(encoding_options)) of
+	true when SeqOrSetOf=='SET OF' ->
+	    emit([indent(3),
+		  "{asn1rt_check:dynamicsort_SETOF(AccBytes),AccLen};",nl,nl]);
+	_ ->
+	    emit([indent(3),"{lists:reverse(AccBytes),AccLen};",nl,nl])
+    end,
+    emit(["'enc_",asn1ct_gen:list2name(Typename),
+	  "_components'([H|T]",Objfun,",AccBytes, AccLen) ->",nl]),
+    TypeNameSuffix = asn1ct_gen:constructed_suffix(SeqOrSetOf,Cont#type.def),
+    gen_enc_line(Erules,Typename,TypeNameSuffix,Cont,"H",3,
+%		 mandatory,"{EncBytes,EncLen} = ",EncObj),
+		 mandatory,EncObj),
+    emit([",",nl]),
+    emit([indent(3),"'enc_",asn1ct_gen:list2name(Typename),
+	  "_components'(T",Objfun,","]), 
+    emit(["[EncBytes|AccBytes], AccLen + EncLen).",nl,nl]).
+
+%%============================================================================
+%%  Encode/decode CHOICE
+%%
+%%============================================================================
+
+gen_encode_choice(Erules,Typename,D) when is_record(D,type) ->
+    ChoiceTag = D#type.tag,
+    {'CHOICE',CompList} = D#type.def,
+    Ext = extensible(CompList),
+    CompList1 = case CompList of
+		    {Rl1,El,Rl2} -> Rl1 ++ El ++ Rl2;
+		    {Rl,El} -> Rl ++ El;
+		    _ -> CompList
+		end,
+    gen_enc_choice(Erules,Typename,ChoiceTag,CompList1,Ext),
+    emit({nl,nl}).
+
+gen_decode_choice(Erules,Typename,D) when is_record(D,type) ->
+    asn1ct_name:start(),
+    asn1ct_name:new(bytes),
+    ChoiceTag = D#type.tag,
+    {'CHOICE',CompList} = D#type.def,
+    Ext = extensible(CompList),
+    CompList1 = case CompList of
+		    {Rl1,El,Rl2} -> Rl1 ++ El ++Rl2;
+		    {Rl,El} -> Rl ++ El;
+		    _ -> CompList
+		end,
+    gen_dec_choice(Erules,Typename,ChoiceTag,CompList1,Ext),
+    emit({".",nl}).
+
+
+%%============================================================================
+%%  Encode SEQUENCE
+%%
+%%============================================================================
+
+gen_enc_sequence_call(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type,prop=Prop,textual_order=Order}|Rest],Pos,Ext,EncObj) ->
+    asn1ct_name:new(encBytes),
+    asn1ct_name:new(encLen),
+    CindexPos =
+	case Order of
+	    undefined ->
+		Pos;
+	    _ -> Order % der
+	end,
+    Element = 
+	case TopType of
+	    ['EXTERNAL'] ->
+		io_lib:format("?RT_BER:cindex(~w,NewVal,~w)",[CindexPos+1,Cname]);
+	    _ ->
+		io_lib:format("?RT_BER:cindex(~w,Val,~w)",[CindexPos+1,Cname])
+	end,
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    print_attribute_comment(InnerType,Pos,Prop),
+    gen_enc_line(Erules,TopType,Cname,Type,Element,3,Prop,EncObj),
+    case Rest of
+	[] ->
+	    emit({com,nl});
+	_ ->
+	    emit({com,nl}),
+	    gen_enc_sequence_call(Erules,TopType,Rest,Pos+1,Ext,EncObj)
+    end;
+
+gen_enc_sequence_call(_Erules,_TopType,[],_Num,_,_) ->
+	true.
+
+%%============================================================================
+%%  Decode SEQUENCE
+%%
+%%============================================================================
+
+gen_dec_sequence_call(Erules,TopType,CompList,Ext,DecObjInf) 
+  when is_list(CompList) ->
+    gen_dec_sequence_call1(Erules,TopType, CompList, 1, Ext,DecObjInf,[],[]);
+gen_dec_sequence_call(Erules,TopType,CList,Ext,DecObjInf) ->
+    gen_dec_sequence_call2(Erules,TopType,CList,Ext,DecObjInf).
+
+gen_dec_sequence_call1(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type,prop=Prop,tags=Tags}|Rest],Num,Ext,DecObjInf,LeadingAttrAcc,ArgsAcc) ->
+    {LA,PostponedDec} = 
+	gen_dec_component(Erules,TopType,Cname,Tags,Type,Num,Prop,
+			  Ext,DecObjInf),
+    case Rest of
+	[] ->
+	    {LA ++ LeadingAttrAcc,PostponedDec ++ ArgsAcc};
+	_ ->
+	    emit({com,nl}),
+%	    asn1ct_name:new(term),
+	    asn1ct_name:new(bytes),
+	    gen_dec_sequence_call1(Erules,TopType,Rest,Num+1,Ext,DecObjInf,
+				   LA++LeadingAttrAcc,PostponedDec++ArgsAcc)
+    end;
+
+gen_dec_sequence_call1(_Erules,_TopType,[],1,_,_,_,_) ->
+    no_terms.
+
+gen_dec_sequence_call2(_Erules,_TopType,{[],[],[]},_Ext,_DecObjInf) ->
+    no_terms;
+gen_dec_sequence_call2(Erules,TopType,{Root1,EList,Root2},_Ext,DecObjInf) ->
+    {LA,ArgsAcc} =
+	case gen_dec_sequence_call1(Erules,TopType,Root1++EList,1,
+				    extensible({Root1,EList}),DecObjInf,[],[]) of
+	    no_terms ->
+		{[],[]};
+	    Res -> Res
+	end,
+    %% TagList is the tags of Root2 elements from the first up to and
+    %% including the first mandatory element.
+    TagList = get_root2_taglist(Root2,[]),
+    emit({com,nl}),
+    asn1ct_name:new(bytes),
+    emit(["  {",{next,bytes},", ",{next,rb},
+	  "} = ?RT_BER:skip_ExtensionAdditions(",
+	  {curr,bytes},", ",{asis,TagList},"),",nl]),
+    asn1ct_name:new(rb),
+    asn1ct_name:new(bytes),
+    gen_dec_sequence_call1(Erules,TopType,Root2,
+			   length(Root1)+length(EList),noext,
+			   DecObjInf,LA,ArgsAcc).
+	
+%% returns a list of tags of the elements in the component (second
+%% root) list up to and including the first mandatory tag. See 24.6 in
+%% X.680 (7/2002)
+get_root2_taglist([],Acc) ->
+    lists:reverse(Acc);
+get_root2_taglist([#'ComponentType'{prop=Prop,typespec=Type}|Rest],Acc) ->
+    FirstTag = fun([])->[];
+		  ([H|_T])->H#tag{class=asn1ct_gen_ber:decode_class(H#tag.class)}
+	       end(Type#type.tag),
+    case Prop of
+	mandatory ->
+	    %% match_tags/ may be used
+	    %% this is the last tag of interest -> return
+	    lists:reverse([FirstTag|Acc]);
+	_ ->
+	    get_root2_taglist(Rest,[FirstTag|Acc])
+    end.
+
+
+%%----------------------------
+%%SEQUENCE mandatory
+%%----------------------------
+
+gen_dec_component(Erules,TopType,Cname,CTags,Type,Pos,Prop,Ext,DecObjInf) ->
+    InnerType = 
+	case Type#type.def of
+	    #'ObjectClassFieldType'{type=OCFTType} -> OCFTType;
+	    _ -> asn1ct_gen:get_inner(Type#type.def)
+	end,
+
+    Prop1 = case {Prop,Ext} of
+		{_,{ext,Epos,_Root2pos}} when Pos < Epos ->
+		    Prop;
+		{mandatory,{ext,Epos,_}} when Pos >= Epos ->
+		    'OPTIONAL';
+		_ ->
+		    Prop
+	    end,
+    print_attribute_comment(InnerType,Pos,Prop1),
+    emit("   "),
+    
+    case {InnerType,DecObjInf} of
+	{{typefield,_},NotFalse} when NotFalse /= false ->
+	    asn1ct_name:new(term),
+	    asn1ct_name:new(tmpterm),
+	    emit({"{",{curr,tmpterm},", ",{next,bytes},",",{next,rb},"} = "});
+	{{objectfield,_,_},_} ->
+	    asn1ct_name:new(term),
+	    asn1ct_name:new(tmpterm),
+	    emit({"{",{curr,tmpterm},", ",{next,bytes},",",{next,rb},"} = "});
+	_ ->
+	    asn1ct_name:new(term),
+	    emit({"{",{curr,term},",",{next,bytes},",",{next,rb},"} = "})
+    end,
+    asn1ct_name:new(rb),
+    PostponedDec = 
+	gen_dec_line(Erules,TopType,Cname,CTags,Type,Prop1,DecObjInf),
+    asn1ct_name:new(form),
+    PostponedDec.
+
+
+%%-------------------------------------
+%%  Decode SET
+%%-------------------------------------
+
+gen_dec_set(Erules,TopType,CompList,Pos,Ext) ->
+    ExtCatch = case Ext of
+		   noext ->"";
+		   _ -> " catch"
+	       end,
+    TagList = get_all_choice_tags(CompList),
+    emit({indent(3),
+	  {curr,tagList}," = ",{asis,TagList},",",nl}),
+    emit({indent(3),
+	  "case",ExtCatch," ?RT_BER:check_if_valid_tag(Bytes, ",
+	  {curr,tagList},", OptOrMand) of",nl}),
+    asn1ct_name:new(tagList),
+    asn1ct_name:new(rbCho),
+    asn1ct_name:new(choTags),
+    gen_dec_set_cases(Erules,TopType,CompList,TagList,Pos),
+    asn1ct_name:new(tag),
+    asn1ct_name:new(bytes).
+
+
+
+gen_dec_set_cases(_,_,[],_,_) ->
+    ok;
+gen_dec_set_cases(Erules,TopType,[H|T],List,Pos) ->
+    Name = H#'ComponentType'.name,
+    Type = H#'ComponentType'.typespec,
+    
+    emit({indent(6),"'",Name,"' ->",nl}),
+    case Type#type.def of
+	{'CHOICE',_NewCompList} -> 
+	    gen_dec_set_cases_choice(Erules,TopType,H,Pos);
+	_ ->
+	    gen_dec_set_cases_type(Erules,TopType,H,Pos)
+    end,
+    gen_dec_set_cases(Erules,TopType,T,List,Pos+1).
+
+
+
+gen_dec_set_cases_choice(_Erules,TopType,H,Pos) ->
+    Cname = H#'ComponentType'.name,
+    Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
+	   || X <- (H#'ComponentType'.typespec)#type.tag],
+    asn1ct_name:new(rbCho),
+    emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
+    emit({"'dec_",asn1ct_gen:list2name([Cname|TopType]),
+	  "'(Bytes,OptOrMand,",{asis,Tag},"),",nl}),
+    emit(["      {{",Pos,",Dec}, Rest, ",{curr,rbCho},"}"]),
+    emit([";",nl,nl]).
+
+
+gen_dec_set_cases_type(Erules,TopType,H,Pos) ->
+    Cname = H#'ComponentType'.name,
+    Type = H#'ComponentType'.typespec,
+    %% always use Prop = mandatory here    Prop = H#'ComponentType'.prop,
+
+    asn1ct_name:new(rbCho),
+    emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
+    asn1ct_name:delete(bytes),
+    %% we have already seen the tag so now we must find the value 
+    %% that why we always use 'mandatory' here
+    gen_dec_line(Erules,TopType,Cname,[],Type,mandatory,decObjInf), 
+    asn1ct_name:new(bytes),
+    
+    emit([",",nl]),
+    emit(["{{",Pos,",Dec}, Rest, ",{curr,rbCho},"}"]),
+    emit([";",nl,nl]).
+
+
+%%---------------------------------
+%%  Decode SET result
+%%---------------------------------
+
+gen_dec_set_result(Erules,TopType,CompList) ->
+    gen_dec_set_result1(Erules,TopType, CompList, 1).
+
+gen_dec_set_result1(Erules,TopType,
+		   [#'ComponentType'{name=Cname,
+				     typespec=Type,
+				     prop=Prop}|Rest],Num) ->
+    gen_dec_set_component(Erules,TopType,Cname,Type,Num,Prop),
+    case Rest of
+	[] ->
+	    true;
+	_ ->
+	    gen_dec_set_result1(Erules,TopType,Rest,Num+1)
+    end;
+
+gen_dec_set_result1(_Erules,_TopType,[],1) ->
+    no_terms;
+gen_dec_set_result1(_Erules,_TopType,[],_Num) ->
+    true.
+
+
+gen_dec_set_component(_Erules,_TopType,_Cname,Type,Pos,Prop) ->
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    print_attribute_comment(InnerType,Pos,Prop),
+    emit({"   {",{next,term},com,{next,termList},"} =",nl}),
+    emit({"      case ",{curr,termList}," of",nl}),
+    emit({"          [{",Pos,com,{curr,termTmp},"}|",
+	  {curr,rest},"] -> "}),
+    emit({"{",{curr,termTmp},com,
+	  {curr,rest},"};",nl}),
+    case Prop of
+	'OPTIONAL' ->
+	    emit([indent(10),"_ -> {asn1_NOVALUE, ",{curr,termList},"}",nl]);
+	{'DEFAULT', DefVal} ->
+	    emit([indent(10),
+		  "_ -> {",{asis,DefVal},", ",{curr,termList},"}",nl]);
+	mandatory ->
+	    emit([indent(10),
+		  "_ -> exit({error,{asn1,{mandatory_attribute_no, ",
+		  Pos,", missing}}})",nl])
+    end,
+    emit([indent(6),"end,",nl]),
+    asn1ct_name:new(rest),
+    asn1ct_name:new(term),
+    asn1ct_name:new(termList),    
+    asn1ct_name:new(termTmp).    
+    
+
+%%---------------------------------------------
+%%  Encode CHOICE
+%%---------------------------------------------
+%% for BER we currently do care (a little) if the choice has an EXTENSIONMARKER
+
+
+gen_enc_choice(Erules,TopType,Tag,CompList,_Ext) ->
+    gen_enc_choice1(Erules,TopType,Tag,CompList,_Ext).
+
+gen_enc_choice1(Erules,TopType,Tag,CompList,_Ext) ->
+    asn1ct_name:clear(),
+    emit({"   {EncBytes,EncLen} = case element(1,Val) of",nl}),
+    gen_enc_choice2(Erules,TopType,CompList),
+    emit([nl,"   end,",nl,nl]),
+    NewTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- Tag],
+%    gen_encode_tags(Erules,NewTag,"EncLen","EncBytes").
+   emit(["?RT_BER:encode_tags(TagIn ++",{asis,NewTag},", EncBytes, EncLen).",nl]).
+
+
+
+gen_enc_choice2(Erules,TopType,[H1|T]) when is_record(H1,'ComponentType') ->
+    Cname = H1#'ComponentType'.name,
+    Type = H1#'ComponentType'.typespec,
+    emit({"      ",{asis,Cname}," ->",nl}),
+    {Encobj,Assign} =
+% 	case asn1ct_gen:get_constraint(Type#type.constraint,
+% 				       tableconstraint_info) of
+	case {Type#type.def,asn1ct_gen:get_constraint(Type#type.constraint,
+						      componentrelation)} of
+	    {#'ObjectClassFieldType'{},{componentrelation,_,_}} ->
+		asn1ct_name:new(tmpBytes),
+		asn1ct_name:new(encBytes),
+		asn1ct_name:new(encLen),
+		Emit = ["{",{curr,tmpBytes},", _} = "],
+		{{no_attr,"ObjFun"},Emit};
+	    _ ->
+		case Type#type.tablecinf of
+		    [{objfun,_}] -> {{no_attr,"ObjFun"},[]};
+		    _->	{false,[]}
+		end
+	end,
+    gen_enc_line(Erules,TopType,Cname,Type,"element(2,Val)",9,
+		 mandatory,Assign,Encobj),
+    case {Type#type.def,Encobj} of
+	{#'ObjectClassFieldType'{},{no_attr,"ObjFun"}} ->
+	    emit({",",nl,indent(9),"{",{curr,encBytes},", ",
+		  {curr,encLen},"}"});
+	_ -> ok
+    end,
+    emit({";",nl}),
+    case T of 
+	[] ->
+	    emit([indent(6), "Else -> ",nl,
+		  indent(9),"exit({error,{asn1,{invalid_choice_type,Else}}})"]);
+	_ ->
+	    true
+    end,
+    gen_enc_choice2(Erules,TopType,T);
+
+gen_enc_choice2(_,_,[])  ->
+    true.
+
+
+
+
+%%--------------------------------------------
+%%  Decode CHOICE
+%%--------------------------------------------
+
+gen_dec_choice(Erules,TopType, ChTag, CompList, Ext) ->
+    asn1ct_name:delete(bytes),
+    Tags = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- ChTag],
+    
+    emit(["   {{_,Len},",{next,bytes},
+	  ", RbExp} = ?RT_BER:check_tags(TagIn++",
+	  {asis,Tags},", ",
+	  {curr,bytes},", OptOrMand),",nl]),
+    asn1ct_name:new(bytes),
+    asn1ct_name:new(len),
+    gen_dec_choice_indef_funs(Erules),
+    case Erules of
+	ber_bin ->
+	    emit([indent(3),"case ",{curr,bytes}," of",nl]);
+	ber ->
+	    emit([indent(3),
+		  "case (catch ?RT_BER:peek_tag(",{curr,bytes},")) of",nl])
+    end,
+    asn1ct_name:new(tagList),
+    asn1ct_name:new(choTags),
+    gen_dec_choice_cases(Erules,TopType,CompList),
+    case Ext of
+	noext ->
+	    emit([indent(6), {curr,else}," -> ",nl]),
+	    emit([indent(9),"case OptOrMand of",nl,
+		  indent(12),"mandatory ->","exit({error,{asn1,",
+		  "{invalid_choice_tag,",{curr,else},"}}});",nl,
+		  indent(12),"_ ->","exit({error,{asn1,{no_optional_tag,",
+		  {curr,else},"}}})",nl,
+		  indent(9),"end",nl]);
+	_ ->
+	    emit([indent(6),"_ -> ",nl]),
+	    emit([indent(9),"{{asn1_ExtAlt,",{curr,bytes},"},",
+		  empty_lb(Erules),", RbExp}",nl])
+    end,
+    emit([indent(3),"end"]),
+    asn1ct_name:new(tag),
+    asn1ct_name:new(else).
+
+gen_dec_choice_indef_funs(Erules) ->
+    emit({indent(3),"IndefEndBytes = fun(indefinite,",indefend_match(Erules,used_var),
+	  ")-> R; (_,B)-> B end,",nl}),
+    emit({indent(3),"IndefEndRb = fun(indefinite,",indefend_match(Erules,unused_var),
+	  ")-> 2; (_,_)-> 0 end,",nl}).
+
+
+gen_dec_choice_cases(_,_, []) ->
+    ok;
+gen_dec_choice_cases(Erules,TopType, [H|T]) ->
+    asn1ct_name:push(rbCho),
+    Name = H#'ComponentType'.name,
+    emit([nl,"%% '",Name,"'",nl]),
+    Fcases  = fun([T1,T2|Tail],Fun) ->		      
+		      emit([indent(6),match_tag(Erules,T1)," ->",nl]),
+		      gen_dec_choice_cases_type(Erules,TopType, H),
+		      Fun([T2|Tail],Fun);
+		 ([T1],_) ->
+		      emit([indent(6),match_tag(Erules,T1)," ->",nl]),
+		      gen_dec_choice_cases_type(Erules,TopType, H)
+	      end,
+    Fcases(H#'ComponentType'.tags,Fcases),
+    asn1ct_name:pop(rbCho),
+    gen_dec_choice_cases(Erules,TopType, T).
+
+
+
+gen_dec_choice_cases_type(Erules,TopType,H) ->
+    Cname = H#'ComponentType'.name,
+    Type = H#'ComponentType'.typespec,
+    Prop = H#'ComponentType'.prop,
+    emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
+    gen_dec_line(Erules,TopType,Cname,[],Type,Prop,false),
+    emit([",",nl,indent(9),"{{",{asis,Cname},
+	  ", Dec}, IndefEndBytes(Len,Rest), RbExp + ",
+	  {curr,rbCho}," + IndefEndRb(Len,Rest)};",nl,nl]).
+
+encode_tag_val(Erules,{Class,TagNo}) when is_integer(TagNo) ->
+    Rtmod = rtmod(Erules),
+    Rtmod:encode_tag_val({asn1ct_gen_ber:decode_class(Class),
+				  0,TagNo});
+encode_tag_val(Erules,{Class,TypeName}) ->
+    Rtmod = rtmod(Erules),
+    Rtmod:encode_tag_val({asn1ct_gen_ber:decode_class(Class),
+				  0,asn1ct_gen_ber:decode_type(TypeName)}).
+
+
+match_tag(ber_bin,Arg) ->
+    match_tag_with_bitsyntax(Arg);
+match_tag(Erules,Arg) ->
+    io_lib:format("~p",[encode_tag_val(Erules,Arg)]).
+
+match_tag_with_bitsyntax({Class,TagNo}) when is_integer(TagNo) ->
+    match_tag_with_bitsyntax1({asn1ct_gen_ber:decode_class(Class),
+				  0,TagNo});
+match_tag_with_bitsyntax({Class,TypeName}) ->
+    match_tag_with_bitsyntax1({asn1ct_gen_ber:decode_class(Class),
+				  0,asn1ct_gen_ber:decode_type(TypeName)}).
+
+match_tag_with_bitsyntax1({Class, _Form, TagNo}) when (TagNo =< 30) -> 
+    io_lib:format("<<~p:2,_:1,~p:5,_/binary>>",[Class bsr 6,TagNo]);
+
+match_tag_with_bitsyntax1({Class, _Form, TagNo}) -> 
+    {Octets,Len} = mk_object_val(TagNo),
+    OctForm = case Len of
+		 1 -> "~p";
+		 2 -> "~p,~p";
+		 3 -> "~p,~p,~p";
+		 4 -> "~p,~p,~p,~p"
+	     end,
+    io_lib:format("<<~p:2,_:1,31:5," ++ OctForm ++ ",_/binary>>",
+		  [Class bsr 6] ++ Octets). 
+
+%%%%%%%%%%% 
+%% mk_object_val(Value) -> {OctetList, Len} 
+%% returns a Val as a list of octets, the 8 bit is allways set to one except 
+%% for the last octet, where its 0 
+%% 
+
+ 
+mk_object_val(Val) when Val =< 127 -> 
+    {[255 band Val], 1}; 
+mk_object_val(Val) -> 
+    mk_object_val(Val bsr 7, [Val band 127], 1).  
+mk_object_val(0, Ack, Len) -> 
+    {Ack, Len}; 
+mk_object_val(Val, Ack, Len) -> 
+    mk_object_val(Val bsr 7, [((Val band 127) bor 128) | Ack], Len + 1). 
+ 
+ 
+get_all_choice_tags(ComponentTypeList) ->
+    get_all_choice_tags(ComponentTypeList,[]).
+
+get_all_choice_tags([],TagList) ->
+    TagList;
+get_all_choice_tags([H|T],TagList)  ->
+    Tags = H#'ComponentType'.tags,
+    get_all_choice_tags(T, TagList ++ [{H#'ComponentType'.name, Tags}]).
+
+
+
+%%---------------------------------------
+%% Generate the encode/decode code 
+%%---------------------------------------
+
+gen_enc_line(Erules,TopType,Cname,
+	     Type=#type{constraint=C,
+			def=#'ObjectClassFieldType'{type={typefield,_}}},
+	     Element,Indent,OptOrMand=mandatory,EncObj)
+  when is_list(Element) ->
+    case asn1ct_gen:get_constraint(C,componentrelation) of
+	{componentrelation,_,_} ->
+	    asn1ct_name:new(tmpBytes),
+	    gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
+			 ["{",{curr,tmpBytes},",_} = "],EncObj);
+	_ ->
+	    gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
+			 ["{",{curr,encBytes},",",{curr,encLen},"} = "],
+			 EncObj)
+    end;
+ gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,EncObj) 
+   when is_list(Element) ->
+     gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
+ 		 ["{",{curr,encBytes},",",{curr,encLen},"} = "],EncObj).
+
+gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,Assign,EncObj)
+  when is_list(Element) ->
+    IndDeep = indent(Indent),
+
+    Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
+	   || X <- Type#type.tag],
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    WhatKind = asn1ct_gen:type(InnerType),
+    emit(IndDeep),
+    emit(Assign),
+    gen_optormand_case(OptOrMand,Erules,TopType,Cname,Type,InnerType,WhatKind,
+		       Element),
+    case {Type,asn1ct_gen:get_constraint(Type#type.constraint,
+					 componentrelation)} of
+	{#type{def=#'ObjectClassFieldType'{type={typefield,_},
+					   fieldname=RefedFieldName}},
+	 {componentrelation,_,_}} ->
+	    {_LeadingAttrName,Fun} = EncObj,
+	    case RefedFieldName of
+		{Name,RestFieldNames} when is_atom(Name),Name =/= notype ->
+		    case OptOrMand of
+			mandatory -> ok;
+			_ ->
+			    emit(["{",{curr,tmpBytes},", _} = "])
+		    end,
+		    emit({Fun,"(",{asis,Name},", ",Element,", [], ",
+			  {asis,RestFieldNames},"),",nl}),
+		    emit(IndDeep),
+		    case OptOrMand of
+			mandatory ->
+			    emit({"{",{curr,encBytes},", ",{curr,encLen},"} = "}),
+			    emit({"?RT_BER:encode_open_type(",{curr,tmpBytes},
+				  ",",{asis,Tag},")"});
+			_ ->
+			    emit({"{",{next,tmpBytes},", ",{curr,tmpLen},
+				  "} = "}),
+			    emit({"?RT_BER:encode_open_type(",{curr,tmpBytes},
+				  ",",{asis,Tag},"),",nl}),
+			    emit(IndDeep),
+			    emit({"{",{next,tmpBytes},", ",{curr,tmpLen},"}"})
+		    end;
+		Err ->
+		    throw({asn1,{'internal error',Err}})
+	    end;
+	_ ->
+	    case WhatKind of
+		{primitive,bif} ->
+		    EncType =
+			case Type#type.def of
+			    #'ObjectClassFieldType'{
+					     type={fixedtypevaluefield,
+						   _,Btype}} ->
+				Btype;
+			    _ ->
+				Type
+			end,
+		    asn1ct_gen_ber:gen_encode_prim(ber,EncType,{asis,Tag},
+						   Element);
+		'ASN1_OPEN_TYPE' ->
+		    asn1ct_gen_ber:gen_encode_prim(ber,Type#type{def='ASN1_OPEN_TYPE'},{asis,Tag},Element);
+		_ ->
+		    {EncFunName, _, _} = 
+			mkfuncname(TopType,Cname,WhatKind,enc),
+		    case {WhatKind,Type#type.tablecinf,EncObj} of
+			{{constructed,bif},[{objfun,_}|_R],{_,Fun}} ->
+			    emit([EncFunName,"(",Element,", ",{asis,Tag},
+				  ", ",Fun,")"]);
+			_ ->
+			    emit([EncFunName,"(",Element,", ",{asis,Tag},")"])
+		    end
+	    end
+    end,
+    case OptOrMand of
+	mandatory -> true;
+	_ ->
+	    emit({nl,indent(7),"end"})
+    end.
+
+
+
+gen_optormand_case(mandatory,_,_,_,_,_,_, _) ->
+    ok;
+gen_optormand_case('OPTIONAL',Erules,_,_,_,_,_,Element) ->
+    emit({" case ",Element," of",nl}),
+    emit({indent(9),"asn1_NOVALUE -> {",
+	  empty_lb(Erules),",0};",nl}),
+    emit({indent(9),"_ ->",nl,indent(12)});
+gen_optormand_case({'DEFAULT',DefaultValue},Erules,TopType,Cname,Type,
+		   InnerType,WhatKind,Element) ->
+    CurrMod = get(currmod),
+    case catch lists:member(der,get(encoding_options)) of
+	true ->
+	    emit(" case catch "),
+	    asn1ct_gen:gen_check_call(TopType,Cname,Type,InnerType,
+				      WhatKind,{asis,DefaultValue},
+				      Element),
+	    emit({" of",nl}),
+	    emit({indent(12),"true -> {[],0};",nl});
+	_ ->
+	    emit({" case ",Element," of",nl}),
+	    emit({indent(9),"asn1_DEFAULT -> {",
+		  empty_lb(Erules),
+		  ",0};",nl}),
+	    case DefaultValue of 
+		#'Externalvaluereference'{module=CurrMod,
+					  value=V} ->
+		    emit({indent(9),"?",{asis,V}," -> {",
+			  empty_lb(Erules),",0};",nl});
+		_ ->
+		    emit({indent(9),{asis,
+				     DefaultValue}," -> {",
+			  empty_lb(Erules),",0};",nl})
+	    end
+    end,
+    emit({indent(9),"_ ->",nl,indent(12)}).
+
+    
+
+
+gen_dec_line_sof(Erules,TopType,Cname,Type,ObjFun) ->
+
+    Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
+	   || X <- Type#type.tag],    
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    WhatKind = asn1ct_gen:type(InnerType),
+    case WhatKind of
+	{primitive,bif} ->
+	    asn1ct_name:delete(len),
+
+	    asn1ct_name:new(len),
+	    emit(["fun(FBytes,_,_)->",nl]),
+	    EncType = case Type#type.def of
+			    #'ObjectClassFieldType'{
+					     type={fixedtypevaluefield,
+						   _,Btype}} ->
+				Btype;
+			    _ ->
+				Type
+		      end,
+	    asn1ct_gen_ber:gen_dec_prim(ber,EncType,"FBytes",Tag,
+					[],no_length,?PRIMITIVE,
+					mandatory),
+	    emit([nl,"end, []"]);
+	_ ->
+	    case ObjFun of
+		[] ->
+		    {DecFunName, _, _} = 
+			mkfunname(Erules,TopType,Cname,WhatKind,dec,3),
+		    emit([DecFunName,", ",{asis,Tag}]);
+		_ ->
+		    {DecFunName, _, _} = 
+			mkfunname(Erules,TopType,Cname,WhatKind,dec,4),
+		    emit([DecFunName,", ",{asis,Tag},", ObjFun"])
+	    end
+    end.
+    
+
+gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand,DecObjInf)  ->
+    BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+    Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
+	   || X <- Type#type.tag],
+    InnerType = 
+	case Type#type.def of
+	    #'ObjectClassFieldType'{type=OCFTType} ->
+		OCFTType;
+	    _ ->
+		asn1ct_gen:get_inner(Type#type.def)
+	end,
+    PostpDec = 
+	case OptOrMand of
+	    mandatory ->
+		gen_dec_call(InnerType,Erules,TopType,Cname,Type,
+			     BytesVar,Tag,mandatory,", mandatory, ",
+			     DecObjInf,OptOrMand);
+	    _ -> %optional or default
+		case {CTags,Erules} of
+		    {[CTag],ber_bin} when CTag =/= [] -> % R9C-0.patch-34
+			emit(["case ",{curr,bytes}," of",nl]),
+			emit([match_tag(Erules,CTag)," ->",nl]),
+			PostponedDec = 
+			    gen_dec_call(InnerType,Erules,TopType,Cname,Type,
+					 BytesVar,Tag,mandatory,
+					 ", opt_or_default, ",DecObjInf,
+					 OptOrMand),
+			emit([";",nl]),
+			emit(["_ ->",nl]),
+			case OptOrMand of
+			    {'DEFAULT', Def} ->
+				emit(["{",{asis,Def},",",
+				      BytesVar,", 0 }",nl]);
+			    'OPTIONAL' ->
+				emit(["{ asn1_NOVALUE, ",
+				      BytesVar,", 0 }",nl])
+			end,
+			emit("end"),
+			PostponedDec;
+		    _ ->
+			emit("case (catch "),
+			PostponedDec = 
+			    gen_dec_call(InnerType,Erules,TopType,Cname,Type,
+					 BytesVar,Tag,OptOrMand,
+					 ", opt_or_default, ",DecObjInf,
+					 OptOrMand),
+			emit([") of",nl]),
+			case OptOrMand of
+			    {'DEFAULT', Def} ->
+				emit(["{'EXIT',{error,{asn1,{no_optional_tag,_}}}}",
+				      " -> {",{asis,Def},",",
+				      BytesVar,", 0 };",nl]);
+			    'OPTIONAL' ->
+				emit(["{'EXIT',{error,{asn1,{no_optional_tag,_}}}}",
+				      " -> { asn1_NOVALUE, ",
+				      BytesVar,", 0 };",nl])
+			end,
+			asn1ct_name:new(casetmp),
+			emit([{curr,casetmp},"-> ",{curr,casetmp},nl,"end"]),
+			PostponedDec
+		end
+	end,
+    case DecObjInf of
+	{Cname,ObjSet} -> % this must be the component were an object is 
+	    %% choosen from the object set according to the table 
+	    %% constraint.
+	    ObjSetName = case ObjSet of
+			     {deep,OSName,_,_} ->
+				 OSName;
+			     _ -> ObjSet
+			 end,
+	    {[{ObjSetName,Cname,asn1ct_gen:mk_var(asn1ct_name:curr(term))}],
+	     PostpDec};
+	_  -> {[],PostpDec}
+    end.
+
+
+gen_dec_call({typefield,_},Erules,_,_,Type,_,Tag,_,_,false,_) ->
+    %%  this in case of a choice with typefield components
+    asn1ct_name:new(reason),
+    {FirstPFName,RestPFName} = 
+% 	asn1ct_gen:get_constraint(Type#type.constraint,
+% 				  tableconstraint_info),
+	(Type#type.def)#'ObjectClassFieldType'.fieldname,
+    emit([nl,indent(6),"begin",nl]),
+    emit([indent(9),"{OpenDec,TmpRest,TmpRbCho} =",nl,indent(12),
+	  "?RT_BER:decode_open_type(",Erules,",",{curr,bytes},",",
+	  {asis,Tag},"),",nl]),
+    emit([indent(9),"case (catch ObjFun(",{asis,FirstPFName},
+	  ", OpenDec, [], ",{asis,RestPFName},
+	  ")) of", nl]),%% ??? What about Tag 
+    emit([indent(12),"{'EXIT',",{curr,reason},"} ->",nl]),
+%%    emit({indent(15),"throw({runtime_error,{'Type not ",
+%%	  "compatible with tableconstraint', OpenDec}});",nl}),
+    emit([indent(15),"exit({'Type not ",
+	  "compatible with table constraint', ",{curr,reason},"});",nl]),
+    emit([indent(12),"{TmpDec,_ ,_} ->",nl]),
+    emit([indent(15),"{TmpDec, TmpRest, TmpRbCho}",nl]),
+    emit([indent(9),"end",nl,indent(6),"end",nl]),
+    [];
+gen_dec_call({typefield,_},_Erules,_,Cname,Type,_BytesVar,Tag,_,_,
+	     _DecObjInf,OptOrMandComp) ->
+    emit(["?RT_BER:decode_open_type(",{curr,bytes},",",{asis,Tag},")"]),
+    RefedFieldName = 
+	(Type#type.def)#'ObjectClassFieldType'.fieldname,
+% 	asn1ct_gen:get_constraint(Type#type.constraint,
+% 				  tableconstraint_info),
+    [{Cname,RefedFieldName,
+      asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+%      asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),[],OptOrMandComp}];
+      asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}];
+gen_dec_call({objectfield,PrimFieldName,PFNList},_Erules,_,Cname,_,_,Tag,_,_,_,
+	     OptOrMandComp) ->
+    emit(["?RT_BER:decode_open_type(",{curr,bytes},",",{asis,Tag},")"]),
+    [{Cname,{PrimFieldName,PFNList},
+      asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+%      asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),[],OptOrMandComp}];
+      asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}];
+gen_dec_call(InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,PrimOptOrMand,
+	     OptOrMand,DecObjInf,_) ->
+    WhatKind = asn1ct_gen:type(InnerType),
+    gen_dec_call1(WhatKind,InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,
+		  PrimOptOrMand,OptOrMand),
+    case DecObjInf of
+	{Cname,{_,OSet,UniqueFName,ValIndex}} ->
+	    Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+	    ValueMatch = value_match(ValIndex,Term),
+	    {ObjSetMod,ObjSetName} =
+		case OSet of
+		    {M,O} ->
+			{{asis,M},O};
+		    _ ->
+			{"?MODULE",OSet}
+		end,
+	    emit({",",nl,"ObjFun = ",ObjSetMod,":'getdec_",ObjSetName,"'(",
+		  {asis,UniqueFName},", ",ValueMatch,")"});
+	_ ->
+	    ok
+    end,
+    [].
+gen_dec_call1({primitive,bif},InnerType,Erules,_,_,Type,BytesVar,
+	      Tag,OptOrMand,_) ->
+    case InnerType of
+	{fixedtypevaluefield,_,Btype} ->
+	    asn1ct_gen_ber:gen_dec_prim(Erules,Btype,BytesVar,Tag,[],no_length,
+					?PRIMITIVE,OptOrMand);
+	_ ->
+	    asn1ct_gen_ber:gen_dec_prim(Erules,Type,BytesVar,Tag,[],no_length,
+					?PRIMITIVE,OptOrMand)
+    end;
+gen_dec_call1('ASN1_OPEN_TYPE',_InnerType,Erules,_,_,Type,BytesVar,
+	      Tag,OptOrMand,_) ->
+    asn1ct_gen_ber:gen_dec_prim(Erules,Type#type{def='ASN1_OPEN_TYPE'},
+				BytesVar,Tag,[],no_length,
+				?PRIMITIVE,OptOrMand);
+gen_dec_call1(WhatKind,_,_Erules,TopType,Cname,Type,_,Tag,_,OptOrMand) ->
+    {DecFunName,_,_} = 
+	mkfuncname(TopType,Cname,WhatKind,dec),
+    case {WhatKind,Type#type.tablecinf} of
+	{{constructed,bif},[{objfun,_}|_R]} ->
+	    emit({DecFunName,"(",{curr,bytes},OptOrMand,{asis,Tag},", ObjFun)"});
+	_ ->
+	    emit({DecFunName,"(",{curr,bytes},OptOrMand,{asis,Tag},")"})
+    end.
+
+
+%%------------------------------------------------------
+%% General and special help functions (not exported)
+%%------------------------------------------------------
+
+
+indent(N) ->
+    lists:duplicate(N,32). % 32 = space
+
+
+mkvlist([H,T1|T], Sep) -> % Sep is a string e.g ", " or "+ "
+    emit([{var,H},Sep]),
+    mkvlist([T1|T], Sep);
+mkvlist([H|T], Sep) ->
+    emit([{var,H}]),
+    mkvlist(T, Sep);
+mkvlist([], _) ->
+    true.
+
+mkvlist(L) ->
+    mkvlist(L,", ").
+
+mkvplus(L) ->
+    mkvlist(L," + ").
+
+extensible(CompList) when is_list(CompList) ->
+    noext;
+extensible({RootList,ExtList}) ->
+    {ext,length(RootList)+1,length(ExtList)};
+extensible({_Rl1,_ExtL,_Rl2}) ->
+    extensible.
+
+print_attribute_comment(InnerType,Pos,Prop) ->
+    CommentLine = "%%-------------------------------------------------",
+    emit([nl,CommentLine]),
+    case InnerType of
+	{typereference,_,Name} -> 
+	    emit([nl,"%% attribute number ",Pos," with type ",Name]);
+	{'Externaltypereference',_,XModule,Name} -> 
+	    emit([nl,"%% attribute number ",Pos,"   External ",XModule,":",Name]);
+	_ ->
+	    emit([nl,"%% attribute number ",Pos," with type ",InnerType])
+    end,
+    case Prop of
+	mandatory ->
+	    continue;
+	{'DEFAULT', Def} ->
+	    emit([" DEFAULT = ",{asis,Def}]);
+	'OPTIONAL' ->
+	    emit([" OPTIONAL"])
+    end,
+    emit([nl,CommentLine,nl]).
+
+
+mkfuncname(TopType,Cname,WhatKind,DecOrEnc) ->
+    CurrMod = get(currmod),
+    case WhatKind of
+	#'Externaltypereference'{module=CurrMod,type=EType} ->
+	    F = lists:concat(["'",DecOrEnc,"_",EType,"'"]),
+	    {F, "?MODULE", F};
+	#'Externaltypereference'{module=Mod,type=EType} ->
+	    {lists:concat(["'",Mod,"':'",DecOrEnc,"_",EType,"'"]),Mod,
+	     lists:concat(["'",DecOrEnc,"_",EType,"'"])};
+	{constructed,bif} ->
+	    F = lists:concat(["'",DecOrEnc,"_",asn1ct_gen:list2name([Cname|TopType]),"'"]),
+	    {F, "?MODULE", F}
+    end.
+
+mkfunname(Erule,TopType,Cname,WhatKind,DecOrEnc,Arity) ->
+    CurrMod = get(currmod),
+    case WhatKind of
+	#'Externaltypereference'{module=CurrMod,type=EType} ->
+	    F = lists:concat(["fun '",DecOrEnc,"_",EType,"'/",Arity]),
+	    {F, "?MODULE", F};
+	#'Externaltypereference'{module=Mod,type=EType} ->
+	    {lists:concat(["{'",Mod,"','",DecOrEnc,"_",EType,"'}"]),Mod,
+	     lists:concat(["'",DecOrEnc,"_",EType,"'"])};
+	{constructed,bif} ->
+	    F =
+		lists:concat(["fun '",DecOrEnc,"_",
+			      asn1ct_gen:list2name([Cname|TopType]),"'/",
+			      Arity]),
+	    {F, "?MODULE", F};
+	'ASN1_OPEN_TYPE' ->
+	    case Arity of
+		3 ->
+		    F = lists:concat(["fun(A,_,C) -> ?RT_BER:decode_open_type(",Erule,",A,C) end"]),
+		    {F, "?MODULE", F};
+		4 ->
+		    F = lists:concat(["fun(A,_,C,_) -> ?RT_BER:decode_open_type(",Erule,",A,C) end"]),
+		    {F, "?MODULE", F}
+	    end
+    end.
+
+empty_lb(ber) ->
+    "[]";
+empty_lb(ber_bin) ->
+    "<<>>".
+
+rtmod(ber) ->
+    list_to_atom(?RT_BER_BIN);
+rtmod(ber_bin) ->
+    list_to_atom(?RT_BER_BIN).
+
+indefend_match(ber,used_var) ->
+    "[0,0|R]";
+indefend_match(ber,unused_var) ->
+    "[0,0|_R]";
+indefend_match(ber_bin,used_var) ->
+    "<<0,0,R/binary>>";
+indefend_match(ber_bin,unused_var) ->
+    "<<0,0,_R/binary>>".
+
+notice_value_match() ->
+    Module = get(currmod),
+    put(value_match,{true,Module}).
+    
+value_match(Index,Value) when is_atom(Value) ->
+    value_match(Index,atom_to_list(Value));
+value_match([],Value) ->
+    Value;
+value_match([{VI,_Cname}|VIs],Value) ->
+    value_match1(Value,VIs,lists:concat(["element(",VI,","]),1).
+value_match1(Value,[],Acc,Depth) ->
+    Acc ++ Value ++ lists:concat(lists:duplicate(Depth,")"));
+value_match1(Value,[{VI,_Cname}|VIs],Acc,Depth) ->
+    value_match1(Value,VIs,Acc++lists:concat(["element(",VI,","]),Depth+1).