Test suites for Dialyzer

This is a transcription of most of the cvs.srv.it.uu.se:/hipe repository
dialyzer_tests into test suites that use the test server framework.

See README for information on how to use the included scripts for
modifications and updates.

When testing Dialyzer it's important that several OTP modules
are included in the plt. The suites takes care of that too.

1 files changed, 1811 insertions, 0 deletions

diff --git a/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_gen_per_rt2ct.erl b/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_gen_per_rt2ct.erl
new file mode 100644
index 0000000000..70a017ac6a
--- /dev/null
+++ b/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_gen_per_rt2ct.erl
@@ -0,0 +1,1811 @@
+%% ``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 via the world wide web 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.
+%% 
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%% 
+%%     $Id: asn1ct_gen_per_rt2ct.erl,v 1.1 2008/12/17 09:53:30 mikpe Exp $
+%%
+-module(asn1ct_gen_per_rt2ct).
+
+%% Generate erlang module which handles (PER) encode and decode for
+%% all types in an ASN.1 module
+
+-include("asn1_records.hrl").
+%-compile(export_all).
+
+-export([pgen/4,gen_dec_prim/3,gen_encode_prim/4]).
+-export([gen_obj_code/3,gen_objectset_code/2]).
+-export([gen_decode/2, gen_decode/3]).
+-export([gen_encode/2, gen_encode/3]).
+
+-import(asn1ct_gen, [emit/1,demit/1]).
+-import(asn1ct_gen_per, [is_already_generated/2,more_genfields/1,
+			 get_class_fields/1,get_object_field/2]).
+
+%% pgen(Erules, Module, TypeOrVal)
+%% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module
+%% .hrl file is only generated if necessary
+%% Erules = per | ber
+%% Module = atom()
+%% TypeOrVal = {TypeList,ValueList}
+%% TypeList = ValueList = [atom()]
+
+pgen(OutFile,Erules,Module,TypeOrVal) ->
+    asn1ct_gen:pgen_module(OutFile,Erules,Module,TypeOrVal,true).
+
+
+%% Generate ENCODING ******************************
+%%****************************************x
+
+
+gen_encode(Erules,Type) when record(Type,typedef) ->
+    gen_encode_user(Erules,Type).
+
+gen_encode(Erules,Typename,#'ComponentType'{name=Cname,typespec=Type}) ->
+    NewTypename = [Cname|Typename],
+    gen_encode(Erules,NewTypename,Type);
+
+gen_encode(Erules,Typename,Type) when record(Type,type) ->
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    ObjFun =
+	case lists:keysearch(objfun,1,Type#type.tablecinf) of
+	    {value,{_,_Name}} ->
+		", ObjFun";
+	    false ->
+		""
+	end,
+    case asn1ct_gen:type(InnerType) of
+	{constructed,bif} ->
+	    case InnerType of
+		'SET' ->
+		    true;
+		'SEQUENCE' ->
+		    true;
+		_ ->
+		    emit({nl,"'enc_",asn1ct_gen:list2name(Typename),
+			  "'({'",asn1ct_gen:list2name(Typename),
+			  "',Val}",ObjFun,") ->",nl}),
+		    emit({"'enc_",asn1ct_gen:list2name(Typename),
+			  "'(Val",ObjFun,");",nl,nl})
+	    end,
+	    emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val",ObjFun,
+		  ") ->",nl}),
+	    asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type);
+	_ ->
+	    true
+    end.
+
+
+gen_encode_user(Erules,D) when record(D,typedef) ->
+    CurrMod = get(currmod),
+    Typename = [D#typedef.name],
+    Def = D#typedef.typespec,
+    InnerType = asn1ct_gen:get_inner(Def#type.def),
+    case InnerType of
+	'SET' -> true;
+	'SEQUENCE' -> true;
+	_ ->
+	    emit({nl,"'enc_",asn1ct_gen:list2name(Typename),"'({'",asn1ct_gen:list2name(Typename),"',Val}) ->",nl}),
+	    emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val);",nl,nl})
+    end,
+    emit({"'enc_",asn1ct_gen:list2name(Typename),"'(Val) ->",nl}),
+    case asn1ct_gen:type(InnerType) of
+	{primitive,bif} ->
+	    gen_encode_prim(Erules,Def,"false"),
+	    emit({".",nl});
+	'ASN1_OPEN_TYPE' ->
+	    gen_encode_prim(Erules,Def#type{def='ASN1_OPEN_TYPE'},"false"),
+	    emit({".",nl});
+	{constructed,bif} ->
+	    asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,D);
+	#'Externaltypereference'{module=CurrMod,type=Etype} ->
+	    emit({"'enc_",Etype,"'(Val).",nl,nl});
+	#'Externaltypereference'{module=Emod,type=Etype} ->
+	    emit({"'",Emod,"':'enc_",Etype,"'(Val).",nl,nl});
+	#typereference{val=Ename} ->
+	    emit({"'enc_",Ename,"'(Val).",nl,nl});
+	{notype,_} ->
+	    emit({"'enc_",InnerType,"'(Val).",nl,nl})
+    end.
+
+
+gen_encode_prim(Erules,D,DoTag) ->
+    Value = case asn1ct_name:active(val) of
+		true ->
+		    asn1ct_gen:mk_var(asn1ct_name:curr(val));
+		false ->
+		    "Val"
+	    end,
+    gen_encode_prim(Erules,D,DoTag,Value).
+
+
+
+
+
+gen_encode_prim(_Erules,D,_DoTag,Value) when record(D,type) ->
+    Constraint = D#type.constraint,
+    case D#type.def of
+	'INTEGER' ->
+	    EffectiveConstr = effective_constraint(integer,Constraint),
+	    emit(["  %%INTEGER with effective constraint: ",
+		  {asis,EffectiveConstr},nl]),
+	    emit_enc_integer(EffectiveConstr,Value);
+	{'INTEGER',NamedNumberList} ->
+	    EffectiveConstr = effective_constraint(integer,Constraint),
+	    %% maybe an emit_enc_NNL_integer
+	    emit(["  %%INTEGER with effective constraint: ",
+		  {asis,EffectiveConstr},nl]),
+	    emit_enc_integer_NNL(EffectiveConstr,Value,NamedNumberList);
+	{'ENUMERATED',{Nlist1,Nlist2}} ->
+	    NewList = lists:concat([[{0,X}||{X,_} <- Nlist1],['EXT_MARK'],[{1,X}||{X,_} <- Nlist2]]),
+	    NewC = [{'ValueRange',{0,length(Nlist1)-1}}],
+	    emit(["case (case ",Value," of {_,_}->element(2,",Value,");_->",
+		  Value," end) of",nl]),
+	    emit_enc_enumerated_cases(NewC, NewList++[{asn1_enum,length(Nlist1)-1}], 0);
+	{'ENUMERATED',NamedNumberList} ->
+	    NewList = [X||{X,_} <- NamedNumberList],
+	    NewC = effective_constraint(integer,
+					[{'ValueRange',
+					  {0,length(NewList)-1}}]),
+	    NewVal = enc_enum_cases(Value,NewList),
+	    emit_enc_integer(NewC,NewVal);
+	{'BIT STRING',NamedNumberList} ->
+	    EffectiveC = effective_constraint(bitstring,Constraint),
+	    case EffectiveC of
+		0 -> emit({"[]"});
+		_ ->
+		    emit({"?RT_PER:encode_bit_string(",
+			  {asis,EffectiveC},",",Value,",",
+			  {asis,NamedNumberList},")"})
+	    end;
+	'NULL' ->
+	    emit({"?RT_PER:encode_null(",Value,")"});
+	'OBJECT IDENTIFIER' ->
+	    emit({"?RT_PER:encode_object_identifier(",Value,")"});
+	'ObjectDescriptor' ->
+	    emit({"?RT_PER:encode_ObjectDescriptor(",{asis,Constraint},
+		  ",",Value,")"});
+	'BOOLEAN' ->
+%	    emit({"?RT_PER:encode_boolean(",Value,")"});
+	    emit({"case ",Value," of",nl,
+%		  "  true -> {bits,1,1};",nl,
+		  "  true -> [1];",nl,
+%		  "  false -> {bits,1,0};",nl,
+		  "  false -> [0];",nl,
+		  "  _ -> exit({error,{asn1,{encode_boolean,",Value,"}}})",nl,
+		  "end"});
+	'OCTET STRING' ->
+	    emit_enc_octet_string(Constraint,Value);
+
+	'NumericString' ->
+	    emit_enc_known_multiplier_string('NumericString',Constraint,Value);
+	'TeletexString' ->
+	    emit({"?RT_PER:encode_TeletexString(",{asis,Constraint},",",Value,")"});
+	'VideotexString' ->
+	    emit({"?RT_PER:encode_VideotexString(",{asis,Constraint},",",Value,")"});
+	'UTCTime' ->
+	    emit_enc_known_multiplier_string('VisibleString',Constraint,Value);
+	'GeneralizedTime' ->
+	    emit_enc_known_multiplier_string('VisibleString',Constraint,Value);
+	'GraphicString' ->
+	    emit({"?RT_PER:encode_GraphicString(",{asis,Constraint},",",Value,")"});
+	'VisibleString' ->
+	    emit_enc_known_multiplier_string('VisibleString',Constraint,Value);
+	'GeneralString' ->
+	    emit({"?RT_PER:encode_GeneralString(",{asis,Constraint},",",Value,")"});
+	'PrintableString' ->
+	    emit_enc_known_multiplier_string('PrintableString',Constraint,Value);
+	'IA5String' ->
+	    emit_enc_known_multiplier_string('IA5String',Constraint,Value);
+	'BMPString' ->
+	    emit_enc_known_multiplier_string('BMPString',Constraint,Value);
+	'UniversalString' ->
+	    emit_enc_known_multiplier_string('UniversalString',Constraint,Value);
+	'ANY' ->
+	    emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", 
+		  Value, ")"]);
+	'ASN1_OPEN_TYPE' ->
+	    NewValue = case Constraint of
+			   [#'Externaltypereference'{type=Tname}] ->
+			     io_lib:format(
+			       "?RT_PER:complete(enc_~s(~s))",[Tname,Value]);
+			   [#type{def=#'Externaltypereference'{type=Tname}}] ->
+			       io_lib:format(
+				 "?RT_PER:complete(enc_~s(~s))",[Tname,Value]);
+			 _ -> Value
+		     end,
+	    emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", 
+		  NewValue, ")"]);
+	XX ->
+	    exit({asn1_error,nyi,XX})
+    end.
+
+emit_enc_known_multiplier_string(StringType,C,Value) ->
+    SizeC = 
+	case get_constraint(C,'SizeConstraint') of
+	    L when list(L) -> {lists:min(L),lists:max(L)};
+	    L -> L
+	end,
+    PAlphabC = get_constraint(C,'PermittedAlphabet'),
+    case {StringType,PAlphabC} of
+	{'UniversalString',{_,_}} ->
+	    exit({error,{asn1,{'not implemented',"UniversalString with "
+			       "PermittedAlphabet constraint"}}});
+	{'BMPString',{_,_}} ->
+	    exit({error,{asn1,{'not implemented',"BMPString with "
+			       "PermittedAlphabet constraint"}}});
+	_ -> ok
+    end,
+    NumBits = get_NumBits(C,StringType),
+    CharOutTab = get_CharOutTab(C,StringType),
+    %% NunBits and CharOutTab for chars_encode
+    emit_enc_k_m_string(StringType,SizeC,NumBits,CharOutTab,Value).
+
+emit_enc_k_m_string(_StringType,0,_NumBits,_CharOutTab,_Value) ->
+    emit({"[]"});
+emit_enc_k_m_string(StringType,SizeC,NumBits,CharOutTab,Value) ->
+    emit({"?RT_PER:encode_known_multiplier_string(",{asis,StringType},",",
+	  {asis,SizeC},",",NumBits,",",{asis,CharOutTab},",",Value,")"}).
+
+emit_dec_known_multiplier_string(StringType,C,BytesVar) ->
+    SizeC = get_constraint(C,'SizeConstraint'),
+    PAlphabC = get_constraint(C,'PermittedAlphabet'),
+    case {StringType,PAlphabC} of
+	{'BMPString',{_,_}} ->
+	    exit({error,{asn1,
+			 {'not implemented',
+			  "BMPString with PermittedAlphabet "
+			  "constraint"}}});
+	_ ->
+	    ok
+    end,
+    NumBits = get_NumBits(C,StringType),
+    CharInTab = get_CharInTab(C,StringType),
+    case SizeC of
+	0 ->
+	    emit({"{[],",BytesVar,"}"});
+	_ ->
+	    emit({"?RT_PER:decode_known_multiplier_string(",
+		  {asis,StringType},",",{asis,SizeC},",",NumBits,
+		  ",",{asis,CharInTab},",",BytesVar,")"})
+    end.
+
+
+%% copied from run time module
+
+get_CharOutTab(C,StringType) ->
+    get_CharTab(C,StringType,out).
+
+get_CharInTab(C,StringType) ->
+    get_CharTab(C,StringType,in).
+
+get_CharTab(C,StringType,InOut) ->
+    case get_constraint(C,'PermittedAlphabet') of
+	{'SingleValue',Sv} ->
+	    get_CharTab2(C,StringType,hd(Sv),lists:max(Sv),Sv,InOut);
+	no ->
+	    case StringType of
+		'IA5String' ->
+		    {0,16#7F,notab};
+		'VisibleString' ->
+		    get_CharTab2(C,StringType,16#20,16#7F,notab,InOut);
+		'PrintableString' ->
+		    Chars = lists:sort(
+			      " '()+,-./0123456789:=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"),
+		    get_CharTab2(C,StringType,hd(Chars),lists:max(Chars),Chars,InOut);
+		'NumericString' ->
+		    get_CharTab2(C,StringType,16#20,$9," 0123456789",InOut);
+		'UniversalString' ->
+		    {0,16#FFFFFFFF,notab};
+		'BMPString' ->
+		    {0,16#FFFF,notab}
+	    end
+    end.
+
+get_CharTab2(C,StringType,Min,Max,Chars,InOut) ->
+    BitValMax = (1 bsl get_NumBits(C,StringType))-1,
+    if
+	Max =< BitValMax ->
+	    {0,Max,notab};
+	true ->
+	    case InOut of
+		out ->
+		    {Min,Max,create_char_tab(Min,Chars)};
+		in  ->
+		    {Min,Max,list_to_tuple(Chars)}
+	    end
+    end.
+
+create_char_tab(Min,L) ->
+    list_to_tuple(create_char_tab(Min,L,0)).
+create_char_tab(Min,[Min|T],V) ->
+    [V|create_char_tab(Min+1,T,V+1)];
+create_char_tab(_Min,[],_V) ->
+    [];
+create_char_tab(Min,L,V) ->
+    [false|create_char_tab(Min+1,L,V)].
+
+get_NumBits(C,StringType) ->
+    case get_constraint(C,'PermittedAlphabet') of
+	{'SingleValue',Sv} ->
+	    charbits(length(Sv),aligned);
+	no ->
+	    case StringType of
+		'IA5String' ->
+		    charbits(128,aligned); % 16#00..16#7F
+		'VisibleString' ->
+		    charbits(95,aligned); % 16#20..16#7E
+		'PrintableString' ->
+		    charbits(74,aligned); % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z
+		'NumericString' ->
+		    charbits(11,aligned); % $ ,"0123456789"
+		'UniversalString' ->
+		    32;
+		'BMPString' ->
+		    16
+	    end
+    end.
+
+charbits(NumOfChars,aligned) ->
+    case charbits(NumOfChars) of
+	1 -> 1;
+	2 -> 2;
+	B when B =< 4 -> 4;
+	B when B =< 8 -> 8;
+	B when B =< 16 -> 16; 
+	B when B =< 32 -> 32
+    end.
+
+charbits(NumOfChars) when NumOfChars =< 2 -> 1;
+charbits(NumOfChars) when NumOfChars =< 4 -> 2;
+charbits(NumOfChars) when NumOfChars =< 8 -> 3;
+charbits(NumOfChars) when NumOfChars =< 16 -> 4;
+charbits(NumOfChars) when NumOfChars =< 32 -> 5;
+charbits(NumOfChars) when NumOfChars =< 64 -> 6;
+charbits(NumOfChars) when NumOfChars =< 128 -> 7;
+charbits(NumOfChars) when NumOfChars =< 256 -> 8;
+charbits(NumOfChars) when NumOfChars =< 512 -> 9;
+charbits(NumOfChars) when NumOfChars =< 1024 -> 10;
+charbits(NumOfChars) when NumOfChars =< 2048 -> 11;
+charbits(NumOfChars) when NumOfChars =< 4096 -> 12;
+charbits(NumOfChars) when NumOfChars =< 8192 -> 13;
+charbits(NumOfChars) when NumOfChars =< 16384 -> 14;
+charbits(NumOfChars) when NumOfChars =< 32768 -> 15;
+charbits(NumOfChars) when NumOfChars =< 65536 -> 16;
+charbits(NumOfChars) when integer(NumOfChars) ->
+    16 + charbits1(NumOfChars bsr 16).
+
+charbits1(0) ->
+    0;
+charbits1(NumOfChars) ->
+    1 + charbits1(NumOfChars bsr 1).
+
+%% copied from run time module
+
+emit_enc_octet_string(Constraint,Value) ->
+    case get_constraint(Constraint,'SizeConstraint') of
+	0 ->
+	    emit({"  []"});
+	1 ->
+	    asn1ct_name:new(tmpval),
+	    emit({"  begin",nl}),
+	    emit({"    [",{curr,tmpval},"] = ",Value,",",nl}),
+%	    emit({"    {bits,8,",{curr,tmpval},"}",nl}),
+	    emit({"    [10,8,",{curr,tmpval},"]",nl}),
+	    emit("  end");
+	2 ->
+	    asn1ct_name:new(tmpval),
+	    emit({"  begin",nl}),
+	    emit({"    [",{curr,tmpval},",",{next,tmpval},"] = ",
+		  Value,",",nl}),
+%	    emit({"    [{bits,8,",{curr,tmpval},"},{bits,8,",
+%		  {next,tmpval},"}]",nl}),
+	    emit({"    [[10,8,",{curr,tmpval},"],[10,8,",
+		  {next,tmpval},"]]",nl}),
+	    emit("  end"),
+	    asn1ct_name:new(tmpval);
+	Sv when integer(Sv),Sv =< 256  ->
+	    asn1ct_name:new(tmpval),
+	    emit({"  begin",nl}),
+%	    emit({"    case length(",Value,") == ",Sv," of",nl}),
+	    emit({"    case length(",Value,") of",nl}),
+	    emit({"      ",{curr,tmpval}," when ",{curr,tmpval}," == ",Sv," -> [2,20,",{curr,tmpval},",",Value,"];",nl}),
+	    emit({"      _ -> exit({error,{value_out_of_bounds,",Value,"}})",
+		  nl,"    end",nl}),
+	    emit("  end");
+	Sv when integer(Sv),Sv =< 65535  ->
+	    asn1ct_name:new(tmpval),
+	    emit({"  begin",nl}),
+%	    emit({"    case length(",Value,") == ",Sv," of",nl}),
+	    emit({"    case length(",Value,") of",nl}),
+%	    emit({"      true -> [align,{octets,",Value,"}];",nl}),
+	    emit({"      ",{curr,tmpval}," when ",{curr,tmpval}," == ",Sv," -> [2,21,",{curr,tmpval},",",Value,"];",nl}),
+	    emit({"      _ -> exit({error,{value_out_of_bounds,",Value,"}})",
+		  nl,"    end",nl}),
+	    emit("  end");
+	C ->
+	    emit({"  ?RT_PER:encode_octet_string(",{asis,C},",false,",Value,")",nl})
+    end.
+
+emit_dec_octet_string(Constraint,BytesVar) ->
+    case get_constraint(Constraint,'SizeConstraint') of
+	0 ->
+	    emit({"  {[],",BytesVar,"}",nl});
+	{_,0} ->
+	    emit({"  {[],",BytesVar,"}",nl});
+	C ->
+	    emit({"  ?RT_PER:decode_octet_string(",BytesVar,",",
+		  {asis,C},",false)",nl})
+    end.
+
+emit_enc_integer_case(Value) ->
+    case get(component_type) of
+	{true,#'ComponentType'{prop=Prop}} ->
+	    emit({"  begin",nl}),
+	    case Prop of
+		Opt when Opt=='OPTIONAL';
+			 tuple(Opt),element(1,Opt)=='DEFAULT' ->
+		    emit({"  case ",Value," of",nl}),
+		    ok;
+		_ ->
+		    emit({"  ",{curr,tmpval},"=",Value,",",nl}),
+		    emit({"  case ",{curr,tmpval}," of",nl}),
+		    asn1ct_name:new(tmpval)
+	    end;
+%	    asn1ct_name:new(tmpval);
+	_ ->
+	    emit({" case ",Value," of ",nl})
+    end.
+emit_enc_integer_end_case() ->    
+    case get(component_type) of
+	{true,_} ->
+	    emit({nl,"  end"}); % end of begin ... end
+	_ -> ok
+    end.
+
+
+emit_enc_integer_NNL(C,Value,NNL) ->
+    EncVal = enc_integer_NNL_cases(Value,NNL),
+    emit_enc_integer(C,EncVal).
+    
+enc_integer_NNL_cases(Value,NNL) ->
+    asn1ct_name:new(tmpval),
+    TmpVal = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)),
+    Cases=enc_integer_NNL_cases1(NNL),
+    lists:flatten(io_lib:format("(case ~s of "++Cases++
+		  "~s when atom(~s)->exit({error,{asn1,{namednumber,~s}}});_->~s end)",[Value,TmpVal,TmpVal,TmpVal,Value])).
+
+enc_integer_NNL_cases1([{NNo,No}|Rest]) ->
+    io_lib:format("~w->~w;",[NNo,No])++enc_integer_NNL_cases1(Rest);
+enc_integer_NNL_cases1([]) ->
+    "".
+
+emit_enc_integer([{'SingleValue',Int}],Value) ->
+    asn1ct_name:new(tmpval),
+    emit_enc_integer_case(Value),%    emit(["  case ",Value," of",nl]),
+    emit(["    ",Int," -> [];",nl]),
+    emit(["    ",{curr,tmpval}," ->",nl]),
+    emit(["      exit({error,{value_out_of_bounds,",{curr,tmpval},"}})",
+	  nl," end",nl]),
+    emit_enc_integer_end_case();
+
+emit_enc_integer([{_,{Lb,Ub},_Range,{bits,NoBs}}],Value) -> % Range =< 255
+    asn1ct_name:new(tmpval),
+    emit_enc_integer_case(Value),
+    emit(["    ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",",
+	  {curr,tmpval},">=",Lb," ->",nl]),
+    emit(["      [10,",NoBs,",",{curr,tmpval},"-",Lb,"];",nl]),
+    emit(["    ",{curr,tmpval}," ->",nl]),
+    emit(["      exit({error,{value_out_of_bounds,",{curr,tmpval},"}})",
+	  nl,"  end",nl]),
+    emit_enc_integer_end_case();
+
+emit_enc_integer([{_,{Lb,Ub},Range,_}],Value) when Range =< 256 ->
+    asn1ct_name:new(tmpval),
+    emit_enc_integer_case(Value),
+    emit(["    ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",",
+	  {curr,tmpval},">=",Lb," ->",nl]),
+    emit(["      [20,1,",{curr,tmpval},"-",Lb,"];",nl]),
+    emit(["    ",{curr,tmpval}," ->",nl]),
+    emit(["      exit({error,{value_out_of_bounds,",{curr,tmpval},"}})",
+	  nl,"  end",nl]),
+    emit_enc_integer_end_case();
+
+emit_enc_integer([{_,{Lb,Ub},Range,_}],Value) when Range =< 65536 ->
+    asn1ct_name:new(tmpval),
+    emit_enc_integer_case(Value),
+    emit(["    ",{curr,tmpval}," when ",{curr,tmpval},"=<",Ub,",",
+	  {curr,tmpval},">=",Lb," ->",nl]),
+    emit(["      [20,2,<<(",{curr,tmpval},"-",Lb,"):16>>];",nl]),
+    emit(["    ",{curr,tmpval}," ->",nl]),
+    emit(["      exit({error,{value_out_of_bounds,",{curr,tmpval},"}})",
+	  nl,"  end",nl]),
+    emit_enc_integer_end_case();
+
+
+emit_enc_integer(C,Value) ->
+    emit({"  ?RT_PER:encode_integer(",{asis,C},",",Value,")"}).
+
+
+
+
+enc_enum_cases(Value,NewList) ->
+    asn1ct_name:new(tmpval),
+    TmpVal = asn1ct_gen:mk_var(asn1ct_name:curr(tmpval)),
+    Cases=enc_enum_cases1(NewList),
+    lists:flatten(io_lib:format("(case ~s of "++Cases++
+				"~s ->exit({error,"
+				"{asn1,{enumerated,~s}}})"
+				" end)",
+				[Value,TmpVal,TmpVal])).
+enc_enum_cases1(NNL) ->
+    enc_enum_cases1(NNL,0).
+enc_enum_cases1([H|T],Index) ->
+    io_lib:format("~w->~w;",[H,Index])++enc_enum_cases1(T,Index+1);
+enc_enum_cases1([],_) ->
+    "".
+
+
+emit_enc_enumerated_cases(C, [H], Count) ->
+    emit_enc_enumerated_case(C, H, Count),
+    emit([";",nl,"EnumVal -> exit({error,{asn1, {enumerated_not_in_range, EnumVal}}})"]),
+    emit([nl,"end"]);
+emit_enc_enumerated_cases(C, ['EXT_MARK'|T], _Count) ->
+    emit_enc_enumerated_cases(C, T, 0);
+emit_enc_enumerated_cases(C, [H1,H2|T], Count) ->
+    emit_enc_enumerated_case(C, H1, Count),
+    emit([";",nl]),
+    emit_enc_enumerated_cases(C, [H2|T], Count+1).
+
+
+%% The function clauses matching on tuples with first element 
+%% asn1_enum, 1 or 0 and the atom 'EXT_MARK' are for ENUMERATED
+%% with extension mark.
+emit_enc_enumerated_case(_C, {asn1_enum,High}, _) -> 
+    %% ENUMERATED with extensionmark
+    %% value higher than the extension base and not 
+    %% present in the extension range.
+    emit(["{asn1_enum,EnumV} when integer(EnumV), EnumV > ",High," -> ",
+	  "[1,?RT_PER:encode_small_number(EnumV)]"]);
+emit_enc_enumerated_case(_C, 'EXT_MARK', _Count) -> 
+    %% ENUMERATED with extensionmark
+    true;
+emit_enc_enumerated_case(_C, {1,EnumName}, Count) ->
+    %% ENUMERATED with extensionmark
+    %% values higher than extension root
+    emit(["'",EnumName,"' -> [1,?RT_PER:encode_small_number(",Count,")]"]);
+emit_enc_enumerated_case(C, {0,EnumName}, Count) ->
+    %% ENUMERATED with extensionmark
+    %% values within extension root
+    emit(["'",EnumName,"' -> [0,?RT_PER:encode_integer(",{asis,C},", ",Count,")]"]);
+
+%% This clause is invoked in case of an ENUMERATED without extension mark
+emit_enc_enumerated_case(_C, EnumName, Count) ->
+    emit(["'",EnumName,"' -> ",Count]).
+
+
+get_constraint([{Key,V}],Key) ->
+    V;
+get_constraint([],_) ->
+    no;
+get_constraint(C,Key) ->
+    case lists:keysearch(Key,1,C) of
+	false ->
+	    no;
+	{value,{_,V}} -> 
+	    V
+    end.
+
+get_constraints(L=[{Key,_}],Key) ->
+    L;
+get_constraints([],_) ->
+    [];
+get_constraints(C,Key) ->
+    {value,L} = keysearch_allwithkey(Key,1,C,[]),
+    L.
+
+keysearch_allwithkey(Key,Ix,C,Acc) ->
+    case lists:keysearch(Key,Ix,C) of
+	false ->
+	    {value,Acc};
+	{value,T} ->
+	    RestC = lists:delete(T,C),
+	    keysearch_allwithkey(Key,Ix,RestC,[T|Acc])
+    end.
+
+%% effective_constraint(Type,C)
+%% Type = atom()
+%% C = [C1,...]
+%% C1 = {'SingleValue',SV} | {'ValueRange',VR} | {atom(),term()}
+%% SV = integer() | [integer(),...]
+%% VR = {Lb,Ub}
+%% Lb = 'MIN' | integer()
+%% Ub = 'MAX' | integer()
+%% Returns a single value if C only has a single value constraint, and no
+%% value range constraints, that constrains to a single value, otherwise 
+%% returns a value range that has the lower bound set to the lowest value 
+%% of all single values and lower bound values in C and the upper bound to
+%% the greatest value.
+effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension
+    [C]; %% [C|effective_constraint(integer,Rest)]; XXX what is possible ???
+effective_constraint(integer,C) ->
+    SVs = get_constraints(C,'SingleValue'),
+    SV = effective_constr('SingleValue',SVs),
+    VRs = get_constraints(C,'ValueRange'),
+    VR = effective_constr('ValueRange',VRs),
+    CRange = greatest_common_range(SV,VR),
+    pre_encode(integer,CRange);
+effective_constraint(bitstring,C) ->
+%     Constr=get_constraints(C,'SizeConstraint'),
+%     case Constr of
+% 	[] -> no;
+% 	[{'SizeConstraint',Val}] -> Val;
+% 	Other -> Other
+%     end;
+    get_constraint(C,'SizeConstraint');
+effective_constraint(Type,C) ->
+    io:format("Effective constraint for ~p, not implemented yet.~n",[Type]),
+    C.
+
+effective_constr(_,[]) ->
+    [];
+effective_constr('SingleValue',List) ->
+    SVList = lists:flatten(lists:map(fun(X)->element(2,X)end,List)),
+    case lists:usort(SVList) of
+	[N] ->
+	    [{'SingleValue',N}];
+	L when list(L) -> 
+	    [{'ValueRange',{hd(L),lists:last(L)}}]
+    end;
+effective_constr('ValueRange',List) ->
+    LBs = lists:map(fun({_,{Lb,_}})-> Lb end,List),
+    UBs = lists:map(fun({_,{_,Ub}})-> Ub end,List),
+    Lb = least_Lb(LBs),
+    [{'ValueRange',{Lb,lists:max(UBs)}}].
+
+greatest_common_range([],VR) ->
+    VR;
+greatest_common_range(SV,[]) ->
+    SV;
+greatest_common_range([{_,Int}],[{_,{'MIN',Ub}}]) when integer(Int),
+						       Int > Ub ->
+    [{'ValueRange',{'MIN',Int}}];
+greatest_common_range([{_,Int}],[{_,{Lb,Ub}}]) when integer(Int),
+						    Int < Lb ->
+    [{'ValueRange',{Int,Ub}}];
+greatest_common_range([{_,Int}],VR=[{_,{_Lb,_Ub}}]) when integer(Int) ->
+    VR;
+greatest_common_range([{_,L}],[{_,{Lb,Ub}}]) when list(L) ->
+    Min = least_Lb([Lb|L]),
+    Max = greatest_Ub([Ub|L]),
+    [{'ValueRange',{Min,Max}}].
+    
+
+least_Lb(L) ->
+    case lists:member('MIN',L) of
+	true -> 'MIN';
+	_ -> lists:min(L)
+    end.
+
+greatest_Ub(L) ->
+    case lists:member('MAX',L) of
+	true -> 'MAX';
+	_ -> lists:max(L)
+    end.
+
+% effective_constraint1('SingleValue',List) ->
+%     SVList = lists:map(fun(X)->element(2,X)end,List),
+%     sv_effective_constraint(hd(SVList),tl(SVList));
+% effective_constraint1('ValueRange',List) ->
+%     VRList = lists:map(fun(X)->element(2,X)end,List),
+%     vr_effective_constraint(lists:map(fun(X)->element(1,X)end,VRList),
+% 			    lists:map(fun(X)->element(2,X)end,VRList)).
+
+%% vr_effective_constraint/2
+%% Gets all LowerEndPoints and UpperEndPoints as arguments
+%% Returns {'ValueRange',{Lb,Ub}} where Lb is the highest value of
+%% the LowerEndPoints and Ub is the lowest value of the UpperEndPoints,
+%% i.e. the intersection of all value ranges.
+% vr_effective_constraint(Mins,Maxs) ->
+%     Lb=lists:foldl(fun(X,'MIN') when integer(X) -> X;
+% 		      (X,'MIN') -> 'MIN';
+% 		      (X,AccIn) when integer(X),X >= AccIn -> X;
+% 		      (X,AccIn) -> AccIn
+% 		   end,hd(Mins),tl(Mins)),
+%     Ub = lists:min(Maxs),
+%     {'ValueRange',{Lb,Ub}}.
+			   
+
+% sv_effective_constraint(SV,[]) ->
+%     {'SingleValue',SV};
+% sv_effective_constraint([],_) ->
+%     exit({error,{asn1,{illegal_single_value_constraint}}});
+% sv_effective_constraint(SV,[SV|Rest]) ->
+%     sv_effective_constraint(SV,Rest);
+% sv_effective_constraint(Int,[SV|Rest]) when integer(Int),list(SV) ->
+%     case lists:member(Int,SV) of
+% 	true ->
+% 	    sv_effective_constraint(Int,Rest);
+% 	_ ->
+% 	    exit({error,{asn1,{illegal_single_value_constraint}}})
+%     end;
+% sv_effective_constraint(SV,[Int|Rest]) when integer(Int),list(SV) ->
+%     case lists:member(Int,SV) of
+% 	true ->
+% 	    sv_effective_constraint(Int,Rest);
+% 	_ ->
+% 	    exit({error,{asn1,{illegal_single_value_constraint}}})
+%     end;
+% sv_effective_constraint(SV1,[SV2|Rest]) when list(SV1),list(SV2) ->
+%     sv_effective_constraint(common_set(SV1,SV2),Rest);
+% sv_effective_constraint(_,_) ->
+%     exit({error,{asn1,{illegal_single_value_constraint}}}).
+
+%% common_set/2
+%% Two lists as input
+%% Returns the list with all elements that are common for both
+%% input lists
+% common_set(SV1,SV2) ->
+%     lists:filter(fun(X)->lists:member(X,SV1) end,SV2).
+
+
+
+pre_encode(integer,[]) ->
+    [];
+pre_encode(integer,C=[{'SingleValue',_}]) ->
+    C;
+pre_encode(integer,C=[{'ValueRange',VR={Lb,Ub}}]) when integer(Lb),integer(Ub)->
+    Range = Ub-Lb+1,
+    if
+	Range =< 255 ->
+	    NoBits = no_bits(Range),
+	    [{'ValueRange',VR,Range,{bits,NoBits}}];
+	Range =< 256 ->
+	    [{'ValueRange',VR,Range,{octets,1}}];
+	Range =< 65536 ->
+	    [{'ValueRange',VR,Range,{octets,2}}];
+	true ->
+	    C
+    end;
+pre_encode(integer,C) ->
+    C.
+
+no_bits(2) -> 1;
+no_bits(N) when N=<4 -> 2;
+no_bits(N) when N=<8 -> 3;
+no_bits(N) when N=<16 -> 4;
+no_bits(N) when N=<32 -> 5;
+no_bits(N) when N=<64 -> 6;
+no_bits(N) when N=<128 -> 7;
+no_bits(N) when N=<255 -> 8.
+
+%% Object code generating for encoding and decoding
+%% ------------------------------------------------
+
+gen_obj_code(Erules,_Module,Obj) when record(Obj,typedef) ->
+    ObjName = Obj#typedef.name,
+    Def = Obj#typedef.typespec,
+    #'Externaltypereference'{module=Mod,type=ClassName} = 
+	Def#'Object'.classname,
+    Class = asn1_db:dbget(Mod,ClassName),
+    {object,_,Fields} = Def#'Object'.def,
+    emit({nl,nl,nl,"%%================================"}),
+    emit({nl,"%%  ",ObjName}),
+    emit({nl,"%%================================",nl}),
+    EncConstructed =
+%	gen_encode_objectfields(Class#classdef.typespec,ObjName,Fields,[]),
+	gen_encode_objectfields(ClassName,get_class_fields(Class),
+				ObjName,Fields,[]),
+    emit(nl),
+    gen_encode_constr_type(Erules,EncConstructed),
+    emit(nl),
+    DecConstructed =
+%	gen_decode_objectfields(Class#classdef.typespec,ObjName,Fields,[]),
+	gen_decode_objectfields(ClassName,get_class_fields(Class),
+				ObjName,Fields,[]),
+    emit(nl),
+    gen_decode_constr_type(Erules,DecConstructed),
+    emit(nl);
+gen_obj_code(_Erules,_Module,Obj) when record(Obj,pobjectdef) ->
+    ok.
+
+gen_encode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
+			ObjName,ObjectFields,ConstrAcc) ->
+    EmitFuncClause = 
+	fun(V) ->
+		emit(["'enc_",ObjName,"'(",{asis,Name},
+		      ",",V,",_RestPrimFieldName) ->",nl])
+	end,
+%     emit(["'enc_",ObjName,"'(",{asis,Name},
+% 	  ", Val, RestPrimFieldName) ->",nl]),
+    MaybeConstr =
+	case {get_object_field(Name,ObjectFields),OptOrMand} of
+	    {false,'MANDATORY'} -> %% this case is illegal
+		exit({error,{asn1,{"missing mandatory field in object",
+				   ObjName}}});
+	    {false,'OPTIONAL'} ->
+		EmitFuncClause("_"),
+		emit("   <<>>"),
+		[];
+	    {false,{'DEFAULT',DefaultType}} ->
+		EmitFuncClause("Val"),
+		gen_encode_default_call(ClassName,Name,DefaultType);
+	    {{Name,TypeSpec},_} ->
+		%% A specified field owerwrites any 'DEFAULT' or
+		%% 'OPTIONAL' field in the class
+		EmitFuncClause("Val"),
+		gen_encode_field_call(ObjName,Name,TypeSpec)
+	end,
+    case more_genfields(Rest) of
+	true ->
+	    emit([";",nl]);
+	false ->
+	    emit([".",nl])
+    end,
+    gen_encode_objectfields(ClassName,Rest,ObjName,ObjectFields,
+			    MaybeConstr++ConstrAcc);
+gen_encode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
+			ObjName,ObjectFields,ConstrAcc) ->
+    EmitFuncClause =
+	fun(Attrs) ->
+		emit(["'enc_",ObjName,"'(",{asis,Name},
+		      ",",Attrs,") ->",nl])
+	end,
+%     emit(["'enc_",ObjName,"'(",{asis,Name},
+% 	  ", Val,[H|T]) ->",nl]),
+    case {get_object_field(Name,ObjectFields),OptOrMand} of
+	{false,'MANDATORY'} ->
+	    exit({error,{asn1,{"missing mandatory field in object",
+			       ObjName}}});
+	{false,'OPTIONAL'} ->
+	    EmitFuncClause("_,_"),
+	    emit(["  exit({error,{'use of missing field in object', ",Name,
+		  "}})"]);
+	{false,{'DEFAULT',_DefaultObject}} ->
+	    exit({error,{asn1,{"not implemented yet",Name}}});
+	{{Name,TypeSpec},_} ->
+	    EmitFuncClause("Val,[H|T]"),
+	    case TypeSpec#typedef.name of
+		{ExtMod,TypeName} ->
+		    emit({indent(3),"'",ExtMod,"':'enc_",TypeName,
+			  "'(H, Val, T)"});
+		TypeName ->
+		    emit({indent(3),"'enc_",TypeName,"'(H, Val, T)"})
+	    end
+    end,
+    case more_genfields(Rest) of
+	true ->
+	    emit([";",nl]);
+	false ->
+	    emit([".",nl])
+    end,
+    gen_encode_objectfields(ClassName,Rest,ObjName,ObjectFields,ConstrAcc);
+gen_encode_objectfields(ClassName,[_C|Cs],O,OF,Acc) ->
+    gen_encode_objectfields(ClassName,Cs,O,OF,Acc);
+gen_encode_objectfields(_,[],_,_,Acc) ->
+    Acc.
+
+% gen_encode_objectfields(Class,ObjName,[{FieldName,Type}|Rest],ConstrAcc) ->
+%     Fields = Class#objectclass.fields,
+
+%     MaybeConstr =
+%     case is_typefield(Fields,FieldName) of
+% 	true ->
+% 	    Def = Type#typedef.typespec,
+% 	    emit({"'enc_",ObjName,"'(",{asis,FieldName},
+% 		  ", Val, Dummy) ->",nl}),
+
+% 	    CAcc =
+% 	    case Type#typedef.name of
+% 		{primitive,bif} ->
+% 		    gen_encode_prim(per,Def,"false","Val"),
+% 		    [];
+% 		{constructed,bif} ->
+% 		    emit({"   'enc_",ObjName,'_',FieldName,
+% 			  "'(Val)"}),
+% 			[{['enc_',ObjName,'_',FieldName],Def}];
+% 		{ExtMod,TypeName} ->
+% 		    emit({"   '",ExtMod,"':'enc_",TypeName,"'(Val)"}),
+% 		    [];
+% 		TypeName ->
+% 		    emit({"   'enc_",TypeName,"'(Val)"}),
+% 		    []
+% 	    end,
+% 	    case more_genfields(Fields,Rest) of
+% 		true ->
+% 		    emit({";",nl});
+% 		false ->
+% 		    emit({".",nl})
+% 	    end,
+% 	    CAcc;
+% 	{false,objectfield} ->
+% 	    emit({"'enc_",ObjName,"'(",{asis,FieldName},
+% 		  ", Val, [H|T]) ->",nl}),
+% 	    case Type#typedef.name of
+% 		{ExtMod,TypeName} ->
+% 		    emit({indent(3),"'",ExtMod,"':'enc_",TypeName,
+% 			  "'(H, Val, T)"});
+% 		TypeName ->
+% 		    emit({indent(3),"'enc_",TypeName,"'(H, Val, T)"})
+% 	    end,
+% 	    case more_genfields(Fields,Rest) of
+% 		true ->
+% 		    emit({";",nl});
+% 		false ->
+% 		    emit({".",nl})
+% 	    end,
+% 	    [];
+% 	{false,_} -> []
+%     end,
+%     gen_encode_objectfields(Class,ObjName,Rest,MaybeConstr ++ ConstrAcc);
+% gen_encode_objectfields(C,O,[_|T],Acc) ->
+%     gen_encode_objectfields(C,O,T,Acc);
+% gen_encode_objectfields(_,_,[],Acc) ->
+%     Acc.
+
+gen_encode_constr_type(Erules,[TypeDef|Rest]) when record(TypeDef,typedef) ->
+    case is_already_generated(enc,TypeDef#typedef.name) of
+	true -> ok;
+	_ ->
+	    Name = lists:concat(["enc_",TypeDef#typedef.name]),
+	    emit({Name,"(Val) ->",nl}),
+	    Def = TypeDef#typedef.typespec,
+	    InnerType = asn1ct_gen:get_inner(Def#type.def),
+	    asn1ct_gen:gen_encode_constructed(Erules,Name,InnerType,Def),
+	    gen_encode_constr_type(Erules,Rest)
+    end;
+gen_encode_constr_type(_,[]) ->
+    ok.
+
+gen_encode_field_call(ObjName,FieldName,Type) ->
+    Def = Type#typedef.typespec,
+    case Type#typedef.name of
+	{primitive,bif} -> 
+	    gen_encode_prim(per,Def,"false",
+			    "Val"),
+	    [];
+	{constructed,bif} ->
+	    emit({"   'enc_",ObjName,'_',FieldName,
+		  "'(Val)"}),
+	    [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}];
+	{ExtMod,TypeName} ->
+	    emit({"   '",ExtMod,"':'enc_",TypeName,
+		  "'(Val)"}),
+	    [];
+	TypeName ->
+	    emit({"   'enc_",TypeName,"'(Val)"}),
+	    []
+    end.
+
+gen_encode_default_call(ClassName,FieldName,Type) ->
+    CurrentMod = get(currmod),
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    case asn1ct_gen:type(InnerType) of
+    	{constructed,bif} ->
+%%	    asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type);
+	    emit(["   'enc_",ClassName,'_',FieldName,"'(Val)"]),
+	    [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])),
+		      typespec=Type}];
+	{primitive,bif} ->
+	    gen_encode_prim(per,Type,"false","Val"),
+	    [];
+	#'Externaltypereference'{module=CurrentMod,type=Etype} ->
+	    emit(["   'enc_",Etype,"'(Val)",nl]),
+	    [];
+	#'Externaltypereference'{module=Emod,type=Etype} ->
+	    emit(["   '",Emod,"':'enc_",Etype,"'(Val)",nl]),
+	    []
+    end.
+    
+
+
+gen_decode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
+			ObjName,ObjectFields,ConstrAcc) ->
+    EmitFuncClause = 
+	fun(Bytes) ->
+		emit(["'dec_",ObjName,"'(",{asis,Name},",",Bytes,
+		      ",_,_RestPrimFieldName) ->",nl])
+	end,
+%     emit(["'dec_",ObjName,"'(",{asis,Name},
+% 	  ", Bytes, _, RestPrimFieldName) ->",nl]),
+    MaybeConstr=
+	case {get_object_field(Name,ObjectFields),OptOrMand} of
+	    {false,'MANDATORY'} -> %% this case is illegal
+		exit({error,{asn1,{"missing mandatory field in object",
+				   ObjName}}});
+	    {false,'OPTIONAL'} ->
+		EmitFuncClause("_"),
+		emit(["   asn1_NOVALUE"]),
+		[];
+	    {false,{'DEFAULT',DefaultType}} ->
+		EmitFuncClause("Bytes"),
+		gen_decode_default_call(ClassName,Name,"Bytes",DefaultType);
+	    {{Name,TypeSpec},_} ->
+		%% A specified field owerwrites any 'DEFAULT' or
+		%% 'OPTIONAL' field in the class
+		EmitFuncClause("Bytes"),
+		gen_decode_field_call(ObjName,Name,"Bytes",TypeSpec)
+	end,
+    case more_genfields(Rest) of
+	true ->
+	    emit([";",nl]);
+	false ->
+	    emit([".",nl])
+    end,
+    gen_decode_objectfields(ClassName,Rest,ObjName,ObjectFields,MaybeConstr++ConstrAcc);
+gen_decode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
+			ObjName,ObjectFields,ConstrAcc) ->
+     EmitFuncClause =
+	fun(Attrs) ->
+		emit(["'dec_",ObjName,"'(",{asis,Name},
+		      ",",Attrs,") ->",nl])
+	end,
+%     emit(["'dec_",ObjName,"'(",{asis,Name},
+% 	  ", Bytes,_,[H|T]) ->",nl]),
+    case {get_object_field(Name,ObjectFields),OptOrMand} of
+	{false,'MANDATORY'} ->
+	    exit({error,{asn1,{"missing mandatory field in object",
+			       ObjName}}});
+	{false,'OPTIONAL'} ->
+	    EmitFuncClause("_,_,_"),
+	    emit(["  exit({error,{'illegal use of missing field in object', ",Name,
+		  "}})"]);
+	{false,{'DEFAULT',_DefaultObject}} ->
+	    exit({error,{asn1,{"not implemented yet",Name}}});
+	{{Name,TypeSpec},_} ->
+	    EmitFuncClause("Bytes,_,[H|T]"),
+	    case TypeSpec#typedef.name of
+		{ExtMod,TypeName} ->
+		    emit({indent(3),"'",ExtMod,"':'dec_",TypeName,
+			  "'(H, Bytes, telltype, T)"});
+		TypeName ->
+		    emit({indent(3),"'dec_",TypeName,"'(H, Bytes, telltype, T)"})
+	    end
+    end,
+    case more_genfields(Rest) of
+	true ->
+	    emit([";",nl]);
+	false ->
+	    emit([".",nl])
+    end,
+    gen_decode_objectfields(ClassName,Rest,ObjName,ObjectFields,ConstrAcc);
+gen_decode_objectfields(CN,[_C|Cs],O,OF,CAcc) ->
+    gen_decode_objectfields(CN,Cs,O,OF,CAcc);
+gen_decode_objectfields(_,[],_,_,CAcc) ->
+    CAcc.
+
+
+gen_decode_field_call(ObjName,FieldName,Bytes,Type) ->
+    Def = Type#typedef.typespec,
+    case Type#typedef.name of
+	{primitive,bif} -> 
+	    gen_dec_prim(per,Def,Bytes),
+	    [];
+	{constructed,bif} ->
+	    emit({"   'dec_",ObjName,'_',FieldName,
+		  "'(",Bytes,",telltype)"}),
+	    [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}];
+	{ExtMod,TypeName} ->
+	    emit({"   '",ExtMod,"':'dec_",TypeName,
+		  "'(",Bytes,", telltype)"}),
+	    [];
+	TypeName ->
+	    emit({"   'dec_",TypeName,"'(",Bytes,", telltype)"}),
+	    []
+    end.
+
+gen_decode_default_call(ClassName,FieldName,Bytes,Type) ->
+    CurrentMod = get(currmod),
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    case asn1ct_gen:type(InnerType) of
+    	{constructed,bif} ->
+	    emit(["   'dec_",ClassName,'_',FieldName,"'(",Bytes,", telltype)"]),
+	    [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])),
+		      typespec=Type}];
+	{primitive,bif} ->
+	    gen_dec_prim(per,Type,Bytes),
+	    [];
+	#'Externaltypereference'{module=CurrentMod,type=Etype} ->
+	    emit(["   'dec_",Etype,"'(",Bytes,", telltype)",nl]),
+	    [];
+	#'Externaltypereference'{module=Emod,type=Etype} ->
+	    emit(["   '",Emod,"':'dec_",Etype,"'(",Bytes,", telltype)",nl]),
+	    []
+    end.
+
+%%%%%%%%%%%%%%%
+
+% gen_decode_objectfields(Class,ObjName,[{FieldName,Type}|Rest],ConstrAcc) ->
+%     Fields = Class#objectclass.fields,
+
+%     MaybeConstr =
+%     case is_typefield(Fields,FieldName) of
+% 	true ->
+% 	    Def = Type#typedef.typespec,
+% 	    emit({"'dec_",ObjName,"'(",{asis,FieldName},
+% 		  ", Val, Telltype, RestPrimFieldName) ->",nl}),
+
+% 	    CAcc =
+% 	    case Type#typedef.name of
+% 		{primitive,bif} ->
+% 		    gen_dec_prim(per,Def,"Val"),
+% 		    [];
+% 		{constructed,bif} ->
+% 		    emit({"   'dec_",ObjName,'_',FieldName,
+% 			  "'(Val, Telltype)"}),
+% 		    [{['dec_',ObjName,'_',FieldName],Def}];
+% 		{ExtMod,TypeName} ->
+% 		    emit({"   '",ExtMod,"':'dec_",TypeName,
+% 			  "'(Val, Telltype)"}),
+% 		    [];
+% 		TypeName ->
+% 		    emit({"   'dec_",TypeName,"'(Val, Telltype)"}),
+% 		    []
+% 	    end,
+% 	    case more_genfields(Fields,Rest) of
+% 		true ->
+% 		    emit({";",nl});
+% 		false ->
+% 		    emit({".",nl})
+% 	    end,
+% 	    CAcc;
+% 	{false,objectfield} ->
+% 	    emit({"'dec_",ObjName,"'(",{asis,FieldName},
+% 		  ", Val, Telltype, [H|T]) ->",nl}),
+% 	    case Type#typedef.name of
+% 		{ExtMod,TypeName} ->
+% 		    emit({indent(3),"'",ExtMod,"':'dec_",TypeName,
+% 			  "'(H, Val, Telltype, T)"});
+% 		TypeName ->
+% 		    emit({indent(3),"'dec_",TypeName,
+% 			  "'(H, Val, Telltype, T)"})
+% 	    end,
+% 	    case more_genfields(Fields,Rest) of
+% 		true ->
+% 		    emit({";",nl});
+% 		false ->
+% 		    emit({".",nl})
+% 	    end,
+% 	    [];
+% 	{false,_} ->
+% 	    []
+%     end,
+%     gen_decode_objectfields(Class,ObjName,Rest,MaybeConstr ++ ConstrAcc);
+% gen_decode_objectfields(C,O,[_|T],CAcc) ->
+%     gen_decode_objectfields(C,O,T,CAcc);
+% gen_decode_objectfields(_,_,[],CAcc) ->
+%     CAcc.
+
+gen_decode_constr_type(Erules,[{Name,Def}|Rest]) ->
+    emit({Name,"(Bytes,_) ->",nl}),
+    InnerType = asn1ct_gen:get_inner(Def#type.def),
+    asn1ct_gen:gen_decode_constructed(Erules,Name,InnerType,Def),
+    gen_decode_constr_type(Erules,Rest);
+gen_decode_constr_type(Erules,[TypeDef|Rest]) when record(TypeDef,typedef) ->
+    case is_already_generated(dec,TypeDef#typedef.name) of
+	true -> ok;
+	_ ->
+	    gen_decode(Erules,TypeDef)
+    end,
+    gen_decode_constr_type(Erules,Rest);
+gen_decode_constr_type(_,[]) ->
+    ok.
+
+% is_typefield(Fields,FieldName) ->
+%     case lists:keysearch(FieldName,2,Fields) of
+% 	{value,Field} ->
+% 	    case element(1,Field) of
+% 		typefield ->
+% 		    true;
+% 		Other ->
+% 		    {false,Other}
+% 	    end;
+% 	_ ->
+% 	    false
+%     end.
+%% Object Set code generating for encoding and decoding
+%% ----------------------------------------------------
+gen_objectset_code(Erules,ObjSet) ->
+    ObjSetName = ObjSet#typedef.name,
+    Def = ObjSet#typedef.typespec,
+%%    {ClassName,ClassDef} = Def#'ObjectSet'.class,
+    #'Externaltypereference'{module=ClassModule,
+			     type=ClassName} = Def#'ObjectSet'.class,
+    ClassDef = asn1_db:dbget(ClassModule,ClassName),
+    UniqueFName = Def#'ObjectSet'.uniquefname,
+    Set = Def#'ObjectSet'.set,
+    emit({nl,nl,nl,"%%================================"}),
+    emit({nl,"%%  ",ObjSetName}),
+    emit({nl,"%%================================",nl}),
+    case ClassName of
+	{_Module,ExtClassName} ->
+	    gen_objset_code(Erules,ObjSetName,UniqueFName,Set,
+			    ExtClassName,ClassDef);
+	_ ->
+	    gen_objset_code(Erules,ObjSetName,UniqueFName,Set,
+			    ClassName,ClassDef)
+    end,
+    emit(nl).
+
+gen_objset_code(Erules,ObjSetName,UniqueFName,Set,ClassName,ClassDef)->
+    ClassFields = (ClassDef#classdef.typespec)#objectclass.fields,
+    InternalFuncs=
+	gen_objset_enc(ObjSetName,UniqueFName,Set,ClassName,
+		       ClassFields,1,[]),
+    gen_objset_dec(ObjSetName,UniqueFName,Set,ClassName,ClassFields,1),
+    gen_internal_funcs(Erules,InternalFuncs).
+
+gen_objset_enc(_,{unique,undefined},_,_,_,_,_) ->
+    %% There is no unique field in the class of this object set
+    %% don't bother about the constraint
+    [];
+gen_objset_enc(ObjSName,UniqueName,[{ObjName,Val,Fields},T|Rest],
+	       ClName,ClFields,NthObj,Acc)->
+    emit({"'getenc_",ObjSName,"'(",{asis,UniqueName},",",
+	  {asis,Val},") ->",nl}),
+    {InternalFunc,NewNthObj}=
+	case ObjName of
+	    no_name ->
+		gen_inlined_enc_funs(Fields,ClFields,ObjSName,NthObj);
+	    _ ->
+		emit({"    fun 'enc_",ObjName,"'/3"}),
+		{[],NthObj}
+	end,
+    emit({";",nl}),
+    gen_objset_enc(ObjSName,UniqueName,[T|Rest],ClName,ClFields,
+		  NewNthObj,InternalFunc++Acc);
+gen_objset_enc(ObjSetName,UniqueName,
+	       [{ObjName,Val,Fields}],_ClName,ClFields,NthObj,Acc) ->
+
+    emit({"'getenc_",ObjSetName,"'(",{asis,UniqueName},",",
+	  {asis,Val},") ->",nl}),
+    {InternalFunc,_}=
+	case ObjName of
+	    no_name ->
+		gen_inlined_enc_funs(Fields,ClFields,ObjSetName,NthObj);
+	    _ ->
+		emit({"    fun 'enc_",ObjName,"'/3"}),
+		{[],NthObj}
+	end,
+    emit({".",nl,nl}),
+    InternalFunc++Acc;
+gen_objset_enc(ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName,
+	       _ClFields,_NthObj,Acc) ->
+    emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}),
+    emit({indent(3),"fun(_, Val, _) ->",nl}),
+    emit({indent(6),"Size = if",nl}),
+    emit({indent(9),"list(Val) -> length(Val);",nl}),
+    emit({indent(9),"true -> size(Val)",nl}),
+    emit({indent(6),"end,",nl}),
+    emit({indent(6),"if",nl}),
+    emit({indent(9),"Size < 256 ->",nl}),
+    emit({indent(12),"[20,Size,Val];",nl}),
+    emit({indent(9),"true ->",nl}),
+    emit({indent(12),"[21,<<Size:16>>,Val]",nl}),
+    emit({indent(6),"end",nl}),
+    emit({indent(3),"end.",nl,nl}),
+    Acc;
+gen_objset_enc(_,_,[],_,_,_,Acc) ->
+    Acc.
+
+%% gen_inlined_enc_funs for each object iterates over all fields of a
+%% class, and for each typefield it checks if the object has that
+%% field and emits the proper code.
+gen_inlined_enc_funs(Fields,[{typefield,Name,_}|Rest],ObjSetName,NthObj) ->
+    InternalDefFunName=asn1ct_gen:list2name([NthObj,Name,ObjSetName]),
+    case lists:keysearch(Name,1,Fields) of
+	{value,{_,Type}} when record(Type,type) ->
+	    emit({indent(3),"fun(Type, Val, _) ->",nl,
+		  indent(6),"case Type of",nl}),
+	    {Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
+	    gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+N,Ret);
+	{value,{_,Type}} when record(Type,typedef) ->
+	    emit({indent(3),"fun(Type, Val, _) ->",nl,
+		  indent(6),"case Type of",nl}),
+	    emit({indent(9),{asis,Name}," ->",nl}),
+	    {Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
+	    gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+N,Ret);
+	false ->
+	    gen_inlined_enc_funs(Fields,Rest,ObjSetName,NthObj)
+    end;
+gen_inlined_enc_funs(Fields,[_|Rest],ObjSetName,NthObj) ->
+    gen_inlined_enc_funs(Fields,Rest,ObjSetName,NthObj);
+gen_inlined_enc_funs(_,[],_,NthObj) ->
+    {[],NthObj}.
+
+gen_inlined_enc_funs1(Fields,[{typefield,Name,_}|Rest],ObjSetName,
+		      NthObj,Acc) ->
+    InternalDefFunName = asn1ct_gen:list2name([NthObj,Name,ObjSetName]),
+    {Acc2,NAdd}=
+	case lists:keysearch(Name,1,Fields) of
+	    {value,{_,Type}} when record(Type,type) ->
+		emit({";",nl}),
+		{Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
+		{Ret++Acc,N};
+	    {value,{_,Type}} when record(Type,typedef) ->
+		emit({";",nl,indent(9),{asis,Name}," ->",nl}),
+		{Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
+		{Ret++Acc,N};
+	    false ->
+		{Acc,0}
+	end,
+    gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+NAdd,Acc2);
+gen_inlined_enc_funs1(Fields,[_|Rest],ObjSetName,NthObj,Acc)->
+    gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj,Acc);
+gen_inlined_enc_funs1(_,[],_,NthObj,Acc) ->
+    emit({nl,indent(6),"end",nl}),
+    emit({indent(3),"end"}),
+    {Acc,NthObj}.
+
+emit_inner_of_fun(TDef=#typedef{name={ExtMod,Name},typespec=Type},
+		  InternalDefFunName) ->
+    case {ExtMod,Name} of
+	{primitive,bif} ->
+	    emit(indent(12)),
+	    gen_encode_prim(per,Type,dotag,"Val"),
+	    {[],0};
+	{constructed,bif} ->
+	    emit([indent(12),"'enc_",
+		  InternalDefFunName,"'(Val)"]),
+	    {[TDef#typedef{name=InternalDefFunName}],1};
+	_ ->
+	    emit({indent(12),"'",ExtMod,"':'enc_",Name,"'(Val)"}),
+	    {[],0}
+    end;
+emit_inner_of_fun(#typedef{name=Name},_) ->
+    emit({indent(12),"'enc_",Name,"'(Val)"}),
+    {[],0};
+emit_inner_of_fun(Type,_) when record(Type,type) ->
+    CurrMod = get(currmod),
+    case Type#type.def of
+	Def when atom(Def) ->
+	    emit({indent(9),Def," ->",nl,indent(12)}),
+	    gen_encode_prim(erules,Type,dotag,"Val");
+	TRef when record(TRef,typereference) ->
+	    T = TRef#typereference.val,
+	    emit({indent(9),T," ->",nl,indent(12),"'enc_",T,"'(Val)"});
+	#'Externaltypereference'{module=CurrMod,type=T} ->
+	    emit({indent(9),T," ->",nl,indent(12),"'enc_",T,"'(Val)"});
+	#'Externaltypereference'{module=ExtMod,type=T} ->
+	    emit({indent(9),T," ->",nl,indent(12),ExtMod,":'enc_",
+		  T,"'(Val)"})
+    end,
+    {[],0}.
+
+indent(N) ->
+    lists:duplicate(N,32). % 32 = space
+
+
+gen_objset_dec(_,{unique,undefined},_,_,_,_) ->
+    %% There is no unique field in the class of this object set
+    %% don't bother about the constraint
+    ok;
+gen_objset_dec(ObjSName,UniqueName,[{ObjName,Val,Fields},T|Rest],ClName,
+	       ClFields,NthObj)->
+
+    emit({"'getdec_",ObjSName,"'(",{asis,UniqueName},",",
+	  {asis,Val},") ->",nl}),
+    NewNthObj=
+	case ObjName of
+	    no_name ->
+		gen_inlined_dec_funs(Fields,ClFields,ObjSName,NthObj);
+	    _ ->
+		emit({"    fun 'dec_",ObjName,"'/4"}),
+		NthObj
+	end,
+    emit({";",nl}),
+    gen_objset_dec(ObjSName,UniqueName,[T|Rest],ClName,ClFields,NewNthObj);
+gen_objset_dec(ObjSetName,UniqueName,[{ObjName,Val,Fields}],_ClName,
+	       ClFields,NthObj) ->
+
+    emit({"'getdec_",ObjSetName,"'(",{asis,UniqueName},",",
+	  {asis,Val},") ->",nl}),
+    case ObjName of
+	no_name ->
+	    gen_inlined_dec_funs(Fields,ClFields,ObjSetName,NthObj);
+	_ ->
+	    emit({"    fun 'dec_",ObjName,"'/4"})
+    end,
+    emit({".",nl,nl}),
+    ok;
+gen_objset_dec(ObjSetName,_,['EXTENSIONMARK'],_ClName,_ClFields,
+	       _NthObj) ->
+    emit({"'getdec_",ObjSetName,"'(_, _) ->",nl}),
+    emit({indent(3),"fun(Attr1, Bytes, _, _) ->",nl}),
+    %%    emit({indent(6),"?RT_PER:decode_open_type(Bytes,[])",nl}),
+    emit({indent(6),"{Bytes,Attr1}",nl}),
+    emit({indent(3),"end.",nl,nl}),
+    ok;
+gen_objset_dec(_,_,[],_,_,_) ->
+    ok.
+
+gen_inlined_dec_funs(Fields,[{typefield,Name,_}|Rest],
+		     ObjSetName,NthObj) ->
+    InternalDefFunName = [NthObj,Name,ObjSetName],
+    case lists:keysearch(Name,1,Fields) of
+	{value,{_,Type}} when record(Type,type) ->
+	    emit({indent(3),"fun(Type, Val, _, _) ->",nl,
+		  indent(6),"case Type of",nl}),
+	    N=emit_inner_of_decfun(Type,InternalDefFunName),
+	    gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N);
+	{value,{_,Type}} when record(Type,typedef) ->
+	    emit({indent(3),"fun(Type, Val, _, _) ->",nl,
+		  indent(6),"case Type of",nl}),
+	    emit({indent(9),{asis,Name}," ->",nl}),
+	    N=emit_inner_of_decfun(Type,InternalDefFunName),
+	    gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N);
+	false ->
+	    gen_inlined_dec_funs(Fields,Rest,ObjSetName,NthObj)
+    end;
+gen_inlined_dec_funs(Fields,[_|Rest],ObjSetName,NthObj) ->
+    gen_inlined_dec_funs(Fields,Rest,ObjSetName,NthObj);
+gen_inlined_dec_funs(_,[],_,NthObj) ->
+    NthObj.
+
+gen_inlined_dec_funs1(Fields,[{typefield,Name,_}|Rest],
+		     ObjSetName,NthObj) ->
+    InternalDefFunName = [NthObj,Name,ObjSetName],
+    N=
+    case lists:keysearch(Name,1,Fields) of
+	{value,{_,Type}} when record(Type,type) ->
+	    emit({";",nl}),
+	    emit_inner_of_decfun(Type,InternalDefFunName);
+	{value,{_,Type}} when record(Type,typedef) ->
+	    emit({";",nl,indent(9),{asis,Name}," ->",nl}),
+	    emit_inner_of_decfun(Type,InternalDefFunName);
+	false ->
+	    0
+    end,
+    gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj+N);
+gen_inlined_dec_funs1(Fields,[_|Rest],ObjSetName,NthObj)->
+    gen_inlined_dec_funs1(Fields,Rest,ObjSetName,NthObj);
+gen_inlined_dec_funs1(_,[],_,NthObj) ->
+    emit({nl,indent(6),"end",nl}),
+    emit({indent(3),"end"}),
+    NthObj.
+
+emit_inner_of_decfun(#typedef{name={ExtName,Name},typespec=Type},
+		     InternalDefFunName) ->
+    case {ExtName,Name} of
+	{primitive,bif} ->
+	    emit(indent(12)),
+	    gen_dec_prim(per,Type,"Val"),
+	    0;
+	{constructed,bif} ->
+	    emit({indent(12),"'dec_",
+		  asn1ct_gen:list2name(InternalDefFunName),"'(Val)"}),
+	    1;
+	_ ->
+	    emit({indent(12),"'",ExtName,"':'dec_",Name,
+		  "'(Val, telltype)"}),
+	    0
+    end;
+emit_inner_of_decfun(#typedef{name=Name},_) ->
+    emit({indent(12),"'dec_",Name,"'(Val, telltype)"}),
+    0;
+emit_inner_of_decfun(Type,_) when record(Type,type) ->
+    CurrMod = get(currmod),
+    case Type#type.def of
+	Def when atom(Def) ->
+	    emit({indent(9),Def," ->",nl,indent(12)}),
+	    gen_dec_prim(erules,Type,"Val");
+	TRef when record(TRef,typereference) ->
+	    T = TRef#typereference.val,
+	    emit({indent(9),T," ->",nl,indent(12),"'dec_",T,"'(Val)"});
+	#'Externaltypereference'{module=CurrMod,type=T} ->
+	    emit({indent(9),T," ->",nl,indent(12),"'dec_",T,"'(Val)"});
+	#'Externaltypereference'{module=ExtMod,type=T} ->
+	    emit({indent(9),T," ->",nl,indent(12),ExtMod,":'dec_",
+		  T,"'(Val)"})
+    end,
+    0.
+
+
+gen_internal_funcs(_Erules,[]) ->
+    ok;
+gen_internal_funcs(Erules,[TypeDef|Rest]) ->
+    gen_encode_user(Erules,TypeDef),
+    emit([nl,nl,"'dec_",TypeDef#typedef.name,"'(Bytes) ->",nl]),
+    gen_decode_user(Erules,TypeDef),
+    gen_internal_funcs(Erules,Rest).
+
+
+
+%% DECODING *****************************
+%%***************************************
+
+
+gen_decode(Erules,Type) when record(Type,typedef) ->
+    D = Type,
+    emit({nl,nl}),
+    emit({"'dec_",Type#typedef.name,"'(Bytes,_) ->",nl}),
+    dbdec(Type#typedef.name),
+    gen_decode_user(Erules,D).
+
+gen_decode(Erules,Tname,#'ComponentType'{name=Cname,typespec=Type}) ->
+    NewTname = [Cname|Tname],
+    gen_decode(Erules,NewTname,Type);
+
+gen_decode(Erules,Typename,Type) when record(Type,type) ->
+    InnerType = asn1ct_gen:get_inner(Type#type.def),
+    case asn1ct_gen:type(InnerType) of
+	{constructed,bif} ->
+	    ObjFun =
+		case Type#type.tablecinf of
+		    [{objfun,_}|_R] ->
+			", ObjFun";
+		    _ ->
+			""
+		end,
+	    emit({nl,"'dec_",asn1ct_gen:list2name(Typename),
+		  "'(Bytes,_",ObjFun,") ->",nl}),
+	    dbdec(Typename),
+	    asn1ct_gen:gen_decode_constructed(Erules,Typename,InnerType,Type);
+	_ ->
+	    true
+    end.
+
+dbdec(Type) when list(Type)->
+    demit({"io:format(\"decoding: ",asn1ct_gen:list2name(Type),"~w~n\",[Bytes]),",nl});
+dbdec(Type) ->
+    demit({"io:format(\"decoding: ",{asis,Type},"~w~n\",[Bytes]),",nl}).
+
+gen_decode_user(Erules,D) when record(D,typedef) ->
+    CurrMod = get(currmod),
+    Typename = [D#typedef.name],
+    Def = D#typedef.typespec,
+    InnerType = asn1ct_gen:get_inner(Def#type.def),
+    case asn1ct_gen:type(InnerType) of
+	{primitive,bif} ->
+	    gen_dec_prim(Erules,Def,"Bytes"),
+	    emit({".",nl,nl});
+	'ASN1_OPEN_TYPE' ->
+	    gen_dec_prim(Erules,Def#type{def='ASN1_OPEN_TYPE'},"Bytes"),
+	    emit({".",nl,nl});
+	{constructed,bif} ->
+	    asn1ct_gen:gen_decode_constructed(Erules,Typename,InnerType,D);
+	#typereference{val=Dname} ->
+	    emit({"'dec_",Dname,"'(Bytes,telltype)"}),
+	    emit({".",nl,nl});
+	#'Externaltypereference'{module=CurrMod,type=Etype} ->
+	    emit({"'dec_",Etype,"'(Bytes,telltype).",nl,nl});
+	#'Externaltypereference'{module=Emod,type=Etype} ->
+	    emit({"'",Emod,"':'dec_",Etype,"'(Bytes,telltype).",nl,nl});
+	Other ->
+	    exit({error,{asn1,{unknown,Other}}})
+    end.
+
+
+
+gen_dec_prim(_Erules,Att,BytesVar) ->
+    Typename = Att#type.def,
+    Constraint = Att#type.constraint,
+    case Typename of
+	'INTEGER' ->
+	    EffectiveConstr = effective_constraint(integer,Constraint),
+	    emit_dec_integer(EffectiveConstr,BytesVar);
+% 	    emit({"?RT_PER:decode_integer(",BytesVar,",",
+% 		  {asis,EffectiveConstr},")"});
+	{'INTEGER',NamedNumberList} ->
+	    EffectiveConstr = effective_constraint(integer,Constraint),
+	    emit_dec_integer(EffectiveConstr,BytesVar,NamedNumberList);
+% 	    emit({"?RT_PER:decode_integer(",BytesVar,",",
+% 		  {asis,EffectiveConstr},",",
+% 		  {asis,NamedNumberList},")"});
+	{'BIT STRING',NamedNumberList} ->
+	    case get(compact_bit_string) of
+		true ->
+		    emit({"?RT_PER:decode_compact_bit_string(",
+			  BytesVar,",",{asis,Constraint},",",
+			  {asis,NamedNumberList},")"});
+		_ ->
+		    emit({"?RT_PER:decode_bit_string(",BytesVar,",",
+			  {asis,Constraint},",",
+			  {asis,NamedNumberList},")"})
+	    end;
+	'NULL' ->
+	    emit({"?RT_PER:decode_null(",
+		  BytesVar,")"});
+	'OBJECT IDENTIFIER' ->
+	    emit({"?RT_PER:decode_object_identifier(",
+		  BytesVar,")"});
+	'ObjectDescriptor' ->
+	    emit({"?RT_PER:decode_ObjectDescriptor(",
+		  BytesVar,")"});
+	{'ENUMERATED',{NamedNumberList1,NamedNumberList2}} ->
+	    NewTup = {list_to_tuple([X||{X,_} <- NamedNumberList1]),
+		      list_to_tuple([X||{X,_} <- NamedNumberList2])},
+	    NewC = [{'ValueRange',{0,size(element(1,NewTup))-1}}],
+	    emit({"?RT_PER:decode_enumerated(",BytesVar,",",
+		  {asis,NewC},",",
+		  {asis,NewTup},")"});
+	{'ENUMERATED',NamedNumberList} ->
+	    %NewTup = list_to_tuple([X||{X,Y} <- NamedNumberList]),
+	    NewNNL = [X||{X,_} <- NamedNumberList],
+	    NewC = effective_constraint(integer,
+					[{'ValueRange',{0,length(NewNNL)-1}}]),
+	    emit_dec_enumerated(BytesVar,NewC,NewNNL);
+% 	    emit({"?RT_PER:decode_enumerated(",BytesVar,",",
+% 		  {asis,NewC},",",
+% 		  {asis,NewTup},")"});
+	'BOOLEAN'->
+	    emit({"?RT_PER:decode_boolean(",BytesVar,")"});
+	'OCTET STRING' ->
+	    emit_dec_octet_string(Constraint,BytesVar);
+% 	    emit({"?RT_PER:decode_octet_string(",BytesVar,",",
+% 		  {asis,Constraint},")"});
+	'NumericString' ->
+	    emit_dec_known_multiplier_string('NumericString',
+					     Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_NumericString(",BytesVar,",",
+%		  {asis,Constraint},")"});
+	'TeletexString' ->
+	    emit({"?RT_PER:decode_TeletexString(",BytesVar,",",
+		  {asis,Constraint},")"});
+	'VideotexString' ->
+	    emit({"?RT_PER:decode_VideotexString(",BytesVar,",",
+		  {asis,Constraint},")"});
+	'UTCTime' ->
+	    emit_dec_known_multiplier_string('VisibleString',
+					     Constraint,BytesVar);
+% 	    emit({"?RT_PER:decode_VisibleString(",BytesVar,",",
+% 		  {asis,Constraint},")"});
+	'GeneralizedTime' ->
+	    emit_dec_known_multiplier_string('VisibleString',
+					     Constraint,BytesVar);
+% 	    emit({"?RT_PER:decode_VisibleString(",BytesVar,",",
+% 		  {asis,Constraint},")"});
+	'GraphicString' ->
+	    emit({"?RT_PER:decode_GraphicString(",BytesVar,",",
+		  {asis,Constraint},")"});
+	'VisibleString' ->
+	    emit_dec_known_multiplier_string('VisibleString',
+					     Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_VisibleString(",BytesVar,",",
+%		  {asis,Constraint},")"});
+	'GeneralString' ->
+	    emit({"?RT_PER:decode_GeneralString(",BytesVar,",",
+		  {asis,Constraint},")"});
+	'PrintableString' ->
+	    emit_dec_known_multiplier_string('PrintableString',
+					     Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_PrintableString(",BytesVar,",",{asis,Constraint},")"});
+	'IA5String' ->
+	    emit_dec_known_multiplier_string('IA5String',Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_IA5String(",BytesVar,",",{asis,Constraint},")"});
+	'BMPString' ->
+	    emit_dec_known_multiplier_string('BMPString',Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_BMPString(",BytesVar,",",{asis,Constraint},")"});
+	'UniversalString' ->
+	    emit_dec_known_multiplier_string('UniversalString',
+					     Constraint,BytesVar);
+%	    emit({"?RT_PER:decode_UniversalString(",BytesVar,",",{asis,Constraint},")"});
+	'ANY' ->
+	    emit(["?RT_PER:decode_open_type(",BytesVar,",", 
+		  {asis,Constraint}, ")"]); 
+	'ASN1_OPEN_TYPE' ->
+	    case Constraint of
+		[#'Externaltypereference'{type=Tname}] ->
+		    emit(["fun(FBytes) ->",nl,
+			  "   {XTerm,XBytes} = "]),
+		    emit(["?RT_PER:decode_open_type(FBytes,[]),",nl]),
+		    emit(["   {YTerm,_} = dec_",Tname,"(XTerm,mandatory),",nl]),
+		    emit(["   {YTerm,XBytes} end(",BytesVar,")"]);
+		[#type{def=#'Externaltypereference'{type=Tname}}] ->
+		    emit(["fun(FBytes) ->",nl,
+			  "   {XTerm,XBytes} = "]),
+		    emit(["?RT_PER:decode_open_type(FBytes,[]),",nl]),
+		    emit(["   {YTerm,_} = dec_",Tname,"(XTerm,mandatory),",nl]),
+		    emit(["   {YTerm,XBytes} end(",BytesVar,")"]);
+		_ ->
+		    emit(["?RT_PER:decode_open_type(",BytesVar,",[])"])
+	    end;
+	Other ->
+	    exit({'cant decode' ,Other})
+    end.
+
+
+emit_dec_integer(C,BytesVar,NNL) ->
+    asn1ct_name:new(tmpterm),
+    asn1ct_name:new(buffer),
+    Tmpterm = asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
+    Buffer = asn1ct_gen:mk_var(asn1ct_name:curr(buffer)),
+    emit({" begin {",{curr,tmpterm},",",{curr,buffer},"} = ",nl}),
+    emit_dec_integer(C,BytesVar),
+    emit({",",nl," case ",Tmpterm," of",nl}),
+    lists:map(fun({Name,Int})->emit({"   ",Int," -> {",{asis,Name},",",
+				     Buffer,"};",nl});
+		 (_)-> exit({error,{asn1,{"error in named number list",NNL}}})
+	      end,
+	      NNL),
+    emit({"   _ -> {",Tmpterm,",",Buffer,"}",nl}),
+    emit({" end",nl}), % end of case
+    emit(" end"). % end of begin
+
+emit_dec_integer([{'SingleValue',Int}],BytesVar) when integer(Int) -> 
+    emit(["{",Int,",",BytesVar,"}"]);
+emit_dec_integer([{_,{Lb,_Ub},_Range,{BitsOrOctets,N}}],BytesVar) ->
+    GetBorO = 
+	case BitsOrOctets of
+	    bits -> "getbits";
+	    _ -> "getoctets"
+	end,
+    asn1ct_name:new(tmpterm),
+    asn1ct_name:new(tmpremain),
+    emit({"  begin",nl,"    {",{curr,tmpterm},",",{curr,tmpremain},"}=",
+	  "?RT_PER:",GetBorO,"(",BytesVar,",",N,"),",nl}),
+    emit({"    {",{curr,tmpterm},"+",Lb,",",{curr,tmpremain},"}",nl,
+	  "  end"});
+emit_dec_integer([{_,{'MIN',_}}],BytesVar) ->
+    emit({"?RT_PER:decode_unconstrained_number(",BytesVar,")"});
+emit_dec_integer([{_,{Lb,'MAX'}}],BytesVar) ->
+    emit({"?RT_PER:decode_semi_constrained_number(",BytesVar,",",Lb,")"});
+emit_dec_integer([{'ValueRange',VR={Lb,Ub}}],BytesVar) ->
+    Range = Ub-Lb+1,
+     emit({"?RT_PER:decode_constrained_number(",BytesVar,",",
+	   {asis,VR},",",Range,")"});
+emit_dec_integer(C=[{Rc,_}],BytesVar) when tuple(Rc) ->
+    emit({"?RT_PER:decode_integer(",BytesVar,",",{asis,C},")"});
+emit_dec_integer(_,BytesVar) ->
+    emit({"?RT_PER:decode_unconstrained_number(",BytesVar,")"}).
+    
+
+emit_dec_enumerated(BytesVar,C,NamedNumberList) ->
+    emit_dec_enumerated_begin(),% emits a begin if component
+    asn1ct_name:new(tmpterm),
+    Tmpterm = asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
+    asn1ct_name:new(tmpremain),
+    Tmpremain = asn1ct_gen:mk_var(asn1ct_name:curr(tmpremain)),
+    emit({"    {",{curr,tmpterm},",",{curr,tmpremain},"} =",nl}),
+    emit_dec_integer(C,BytesVar),
+    emit({",",nl,"    case ",Tmpterm," of "}),
+%    Cases=lists:flatten(dec_enumerated_cases(NamedNumberList,asn1ct_gen:mk_var(asn1ct_name:curr(tmpremain)),0)),
+    Cases=lists:flatten(dec_enumerated_cases(NamedNumberList,Tmpremain,0)),
+    emit({Cases++"_->exit({error,{asn1,{decode_enumerated,{",Tmpterm,
+	  ",",{asis,NamedNumberList},"}}}}) end",nl}),
+    emit_dec_enumerated_end().
+	     
+emit_dec_enumerated_begin() ->
+    case get(component_type) of
+	{true,_} ->
+	    emit({"  begin",nl});
+	_ -> ok
+    end.
+
+emit_dec_enumerated_end() ->
+    case get(component_type) of
+	{true,_} ->
+	    emit("  end");
+	_ -> ok
+    end.
+
+% dec_enumerated_cases(NNL,Tmpremain,No) ->
+%     Cases=dec_enumerated_cases1(NNL,Tmpremain,0),
+%     lists:flatten(io_lib:format("(case ~s "++Cases++
+% 		  "~s when atom(~s)->exit({error,{asn1,{namednumber,~s}}});_->~s end)",[Value,"TmpVal","TmpVal","TmpVal",Value])).
+
+dec_enumerated_cases([Name|Rest],Tmpremain,No) ->
+    io_lib:format("~w->{~w,~s};",[No,Name,Tmpremain])++
+	dec_enumerated_cases(Rest,Tmpremain,No+1);
+dec_enumerated_cases([],_,_) ->
+    "".
+
+
+% more_genfields(_Fields,[]) ->
+%     false;
+% more_genfields(Fields,[{FieldName,_}|T]) ->
+%     case is_typefield(Fields,FieldName) of
+% 	true -> true;
+% 	{false,objectfield} -> true;
+% 	{false,_} -> more_genfields(Fields,T)
+%     end.