diff options
Diffstat (limited to 'lib/asn1/src/asn1ct_gen_per.erl')
| -rw-r--r-- | lib/asn1/src/asn1ct_gen_per.erl | 111 |
1 files changed, 6 insertions, 105 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl index e82c389afc..665f4c74c0 100644 --- a/lib/asn1/src/asn1ct_gen_per.erl +++ b/lib/asn1/src/asn1ct_gen_per.erl @@ -146,10 +146,12 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) -> case D#type.def of 'INTEGER' -> emit({"?RT_PER:encode_integer(", %fel - {asis,effective_constraint(integer,Constraint)},",",Value,")"}); + {asis,asn1ct_imm:effective_constraint(integer,Constraint)}, + ",",Value,")"}); {'INTEGER',NamedNumberList} -> emit({"?RT_PER:encode_integer(", - {asis,effective_constraint(integer,Constraint)},",",Value,",", + {asis,asn1ct_imm:effective_constraint(integer,Constraint)}, + ",",Value,",", {asis,NamedNumberList},")"}); {'ENUMERATED',{Nlist1,Nlist2}} -> NewList = lists:concat([[{0,X}||{X,_} <- Nlist1],['EXT_MARK'],[{1,X}||{X,_} <- Nlist2]]), @@ -295,107 +297,6 @@ emit_enc_enumerated_case(_Per,C, {0,EnumName}, Count) -> emit_enc_enumerated_case(_Erule, C, EnumName, Count) -> emit(["'",EnumName,"' -> ?RT_PER:encode_integer(",{asis,C},", ",Count,")"]). -%% 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), - greatest_common_range(SV,VR). - -effective_constr(_,[]) -> - []; -effective_constr('SingleValue',List) -> - SVList = lists:flatten(lists:map(fun(X)->element(2,X)end,List)), - %% Sort and remove duplicates before generating SingleValue or ValueRange - %% In case of ValueRange, also check for 'MIN and 'MAX' - case lists:usort(SVList) of - [N] -> - [{'SingleValue',N}]; - L when is_list(L) -> - [{'ValueRange',{least_Lb(L),greatest_Ub(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(SV,VR) -> - greatest_common_range2(mk_vr(SV),mk_vr(VR)). -greatest_common_range2({_,Int},{'MIN',Ub}) when is_integer(Int), - Int > Ub -> - [{'ValueRange',{'MIN',Int}}]; -greatest_common_range2({_,Int},{Lb,Ub}) when is_integer(Int), - Int < Lb -> - [{'ValueRange',{Int,Ub}}]; -greatest_common_range2({_,Int},VR={_Lb,_Ub}) when is_integer(Int) -> - [{'ValueRange',VR}]; -greatest_common_range2({_,L},{Lb,Ub}) when is_list(L) -> - Min = least_Lb([Lb|L]), - Max = greatest_Ub([Ub|L]), - [{'ValueRange',{Min,Max}}]; -greatest_common_range2({Lb1,Ub1},{Lb2,Ub2}) -> - Min = least_Lb([Lb1,Lb2]), - Max = greatest_Ub([Ub1,Ub2]), - [{'ValueRange',{Min,Max}}]. - -mk_vr([{Type,I}]) when is_atom(Type), is_integer(I) -> - {I,I}; -mk_vr([{Type,{Lb,Ub}}]) when is_atom(Type) -> - {Lb,Ub}; -mk_vr(Other) -> - Other. - -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. - - -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. - - %% Object code generating for encoding and decoding %% ------------------------------------------------ @@ -1235,10 +1136,10 @@ gen_dec_prim(Erules,Att,BytesVar) -> case Typename of 'INTEGER' -> emit({"?RT_PER:decode_integer(",BytesVar,",", - {asis,effective_constraint(integer,Constraint)},")"}); + {asis,asn1ct_imm:effective_constraint(integer,Constraint)},")"}); {'INTEGER',NamedNumberList} -> emit({"?RT_PER:decode_integer(",BytesVar,",", - {asis,effective_constraint(integer,Constraint)},",", + {asis,asn1ct_imm:effective_constraint(integer,Constraint)},",", {asis,NamedNumberList},")"}); 'REAL' -> |