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Diffstat (limited to 'lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_value.erl')
| -rw-r--r-- | lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_value.erl | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_value.erl b/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_value.erl new file mode 100644 index 0000000000..9510e4b341 --- /dev/null +++ b/lib/dialyzer/test/r9c_tests_SUITE_data/src/asn1/asn1ct_value.erl @@ -0,0 +1,330 @@ +%% ``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_value.erl,v 1.1 2008/12/17 09:53:30 mikpe Exp $ +%% +-module(asn1ct_value). + +%% Generate Erlang values for ASN.1 types. +%% The value is randomized within it's constraints + +-include("asn1_records.hrl"). +%-compile(export_all). + +-export([get_type/3]). + + + +%% Generate examples of values ****************************** +%%****************************************x + + +get_type(M,Typename,Tellname) -> + case asn1_db:dbget(M,Typename) of + undefined -> + {asn1_error,{not_found,{M,Typename}}}; + Tdef when record(Tdef,typedef) -> + Type = Tdef#typedef.typespec, + get_type(M,[Typename],Type,Tellname); + Err -> + {asn1_error,{other,Err}} + end. + +get_type(M,Typename,Type,Tellname) when record(Type,type) -> + InnerType = get_inner(Type#type.def), + case asn1ct_gen:type(InnerType) of + #'Externaltypereference'{module=Emod,type=Etype} -> + get_type(Emod,Etype,Tellname); + {_,user} -> + case Tellname of + yes -> {Typename,get_type(M,InnerType,no)}; + no -> get_type(M,InnerType,no) + end; + {notype,_} -> + true; + {primitive,bif} -> + get_type_prim(Type); + 'ASN1_OPEN_TYPE' -> + case Type#type.constraint of + [#'Externaltypereference'{type=TrefConstraint}] -> + get_type(M,TrefConstraint,no); + _ -> + "open_type" + end; + {constructed,bif} -> + get_type_constructed(M,Typename,InnerType,Type) + end; +get_type(M,Typename,#'ComponentType'{name = Name,typespec = Type},_) -> + get_type(M,[Name|Typename],Type,no); +get_type(_,_,_,_) -> % 'EXTENSIONMARK' + undefined. + +get_inner(A) when atom(A) -> A; +get_inner(Ext) when record(Ext,'Externaltypereference') -> Ext; +get_inner({typereference,_Pos,Name}) -> Name; +get_inner(T) when tuple(T) -> + case asn1ct_gen:get_inner(T) of + {fixedtypevaluefield,_,Type} -> + Type#type.def; + {typefield,_FieldName} -> + 'ASN1_OPEN_TYPE'; + Other -> + Other + end. +%%get_inner(T) when tuple(T) -> element(1,T). + + + +get_type_constructed(M,Typename,InnerType,D) when record(D,type) -> + case InnerType of + 'SET' -> + get_sequence(M,Typename,D); + 'SEQUENCE' -> + get_sequence(M,Typename,D); + 'CHOICE' -> + get_choice(M,Typename,D); + 'SEQUENCE OF' -> + {_,Type} = D#type.def, + NameSuffix = asn1ct_gen:constructed_suffix(InnerType,Type#type.def), + get_sequence_of(M,Typename,D,NameSuffix); + 'SET OF' -> + {_,Type} = D#type.def, + NameSuffix = asn1ct_gen:constructed_suffix(InnerType,Type#type.def), + get_sequence_of(M,Typename,D,NameSuffix); + _ -> + exit({nyi,InnerType}) + end. + +get_sequence(M,Typename,Type) -> + {_SEQorSET,CompList} = + case Type#type.def of + #'SEQUENCE'{components=Cl} -> {'SEQUENCE',Cl}; + #'SET'{components=Cl} -> {'SET',Cl} + end, + case get_components(M,Typename,CompList) of + [] -> + {list_to_atom(asn1ct_gen:list2rname(Typename))}; + C -> + list_to_tuple([list_to_atom(asn1ct_gen:list2rname(Typename))|C]) + end. + +get_components(M,Typename,{Root,Ext}) -> + get_components(M,Typename,Root++Ext); + +%% Should enhance this *** HERE *** with proper handling of extensions + +get_components(M,Typename,[H|T]) -> + [get_type(M,Typename,H,no)| + get_components(M,Typename,T)]; +get_components(_,_,[]) -> + []. + +get_choice(M,Typename,Type) -> + {'CHOICE',TCompList} = Type#type.def, + case TCompList of + [] -> + {asn1_EMPTY,asn1_EMPTY}; + {CompList,ExtList} -> % Should be enhanced to handle extensions too + CList = CompList ++ ExtList, + C = lists:nth(random(length(CList)),CList), + {C#'ComponentType'.name,get_type(M,Typename,C,no)}; + CompList when list(CompList) -> + C = lists:nth(random(length(CompList)),CompList), + {C#'ComponentType'.name,get_type(M,Typename,C,no)} + end. + +get_sequence_of(M,Typename,Type,TypeSuffix) -> + %% should generate length according to constraints later + {_,Oftype} = Type#type.def, + C = Type#type.constraint, + S = size_random(C), + NewTypeName = [TypeSuffix|Typename], + gen_list(M,NewTypeName,Oftype,no,S). + +gen_list(_,_,_,_,0) -> + []; +gen_list(M,Typename,Oftype,Tellname,N) -> + [get_type(M,Typename,Oftype,no)|gen_list(M,Typename,Oftype,Tellname,N-1)]. + +get_type_prim(D) -> + C = D#type.constraint, + case D#type.def of + 'INTEGER' -> + i_random(C); + {'INTEGER',NamedNumberList} -> + NN = [X||{X,_} <- NamedNumberList], + case NN of + [] -> + i_random(C); + _ -> + lists:nth(random(length(NN)),NN) + end; + Enum when tuple(Enum),element(1,Enum)=='ENUMERATED' -> + NamedNumberList = + case Enum of + {_,_,NNL} -> NNL; + {_,NNL} -> NNL + end, + NNew= + case NamedNumberList of + {N1,N2} -> + N1 ++ N2; + _-> + NamedNumberList + end, + NN = [X||{X,_} <- NNew], + case NN of + [] -> + asn1_EMPTY; + _ -> + lists:nth(random(length(NN)),NN) + end; + {'BIT STRING',NamedNumberList} -> +%% io:format("get_type_prim 1: ~w~n",[NamedNumberList]), + NN = [X||{X,_} <- NamedNumberList], + case NN of + [] -> + Bl1 =lists:reverse(adjust_list(size_random(C),[1,0,1,1])), + lists:reverse(lists:dropwhile(fun(0)->true;(1)->false end,Bl1)); + _ -> +%% io:format("get_type_prim 2: ~w~n",[NN]), + [lists:nth(random(length(NN)),NN)] + end; + 'ANY' -> + exit({asn1_error,nyi,'ANY'}); + 'NULL' -> + 'NULL'; + 'OBJECT IDENTIFIER' -> + Len = random(3), + Olist = [(random(1000)-1)||_X <-lists:seq(1,Len)], + list_to_tuple([random(3)-1,random(40)-1|Olist]); + 'ObjectDescriptor' -> + object_descriptor_nyi; + 'BOOLEAN' -> + true; + 'OCTET STRING' -> + adjust_list(size_random(C),c_string(C,"OCTET STRING")); + 'NumericString' -> + adjust_list(size_random(C),c_string(C,"0123456789")); + 'TeletexString' -> + adjust_list(size_random(C),c_string(C,"TeletexString")); + 'VideotexString' -> + adjust_list(size_random(C),c_string(C,"VideotexString")); + 'UTCTime' -> + "97100211-0500"; + 'GeneralizedTime' -> + "19971002103130.5"; + 'GraphicString' -> + adjust_list(size_random(C),c_string(C,"GraphicString")); + 'VisibleString' -> + adjust_list(size_random(C),c_string(C,"VisibleString")); + 'GeneralString' -> + adjust_list(size_random(C),c_string(C,"GeneralString")); + 'PrintableString' -> + adjust_list(size_random(C),c_string(C,"PrintableString")); + 'IA5String' -> + adjust_list(size_random(C),c_string(C,"IA5String")); + 'BMPString' -> + adjust_list(size_random(C),c_string(C,"BMPString")); + 'UniversalString' -> + adjust_list(size_random(C),c_string(C,"UniversalString")); + XX -> + exit({asn1_error,nyi,XX}) + end. + +c_string(undefined,Default) -> + Default; +c_string(C,Default) -> + case get_constraint(C,'PermittedAlphabet') of + {'SingleValue',Sv} when list(Sv) -> + Sv; + {'SingleValue',V} when integer(V) -> + [V]; + no -> + Default + end. + +random(Upper) -> + {A1,A2,A3} = erlang:now(), + random:seed(A1,A2,A3), + random:uniform(Upper). + +size_random(C) -> + case get_constraint(C,'SizeConstraint') of + no -> + c_random({0,5},no); + {Lb,Ub} when Ub-Lb =< 4 -> + c_random({Lb,Ub},no); + {Lb,_} -> + c_random({Lb,Lb+4},no); + Sv -> + c_random(no,Sv) + end. + +i_random(C) -> + c_random(get_constraint(C,'ValueRange'),get_constraint(C,'SingleValue')). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% c_random(Range,SingleValue) +%% only called from other X_random functions + +c_random(VRange,Single) -> + case {VRange,Single} of + {no,no} -> + random(16#fffffff) - (16#fffffff bsr 1); + {R,no} -> + case R of + {Lb,Ub} when integer(Lb),integer(Ub) -> + Range = Ub - Lb +1, + Lb + (random(Range)-1); + {Lb,'MAX'} -> + Lb + random(16#fffffff)-1; + {'MIN',Ub} -> + Ub - random(16#fffffff)-1; + {A,{'ASN1_OK',B}} -> + Range = B - A +1, + A + (random(Range)-1) + end; + {_,S} when integer(S) -> + S; + {_,S} when list(S) -> + lists:nth(random(length(S)),S) +%% {S1,S2} -> +%% io:format("asn1ct_value: hejsan hoppsan~n"); +%% _ -> +%% io:format("asn1ct_value: hejsan hoppsan 2~n") +%% io:format("asn1ct_value: c_random/2: S1 = ~w~n" +%% "S2 = ~w,~n",[S1,S2]) +%% exit(self(),goodbye) + end. + +adjust_list(Len,Orig) -> + adjust_list1(Len,Orig,Orig,[]). + +adjust_list1(0,_Orig,[_Oh|_Ot],Acc) -> + lists:reverse(Acc); +adjust_list1(Len,Orig,[],Acc) -> + adjust_list1(Len,Orig,Orig,Acc); +adjust_list1(Len,Orig,[Oh|Ot],Acc) -> + adjust_list1(Len-1,Orig,Ot,[Oh|Acc]). + + +get_constraint(C,Key) -> + case lists:keysearch(Key,1,C) of + false -> + no; + {value,{_,V}} -> + V + end. |