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authorBjörn Gustavsson <[email protected]>2013-07-10 15:55:17 +0200
committerBjörn Gustavsson <[email protected]>2013-08-30 10:13:17 +0200
commit6b4c51b72dd5b17c26c624f09e88e038d7edfcb5 (patch)
tree4fcc17011d86f857be67a21a64a14ac545e2a4bd /lib/asn1
parent8fb5a3b6241a988c80dc1faac9bfb396c1aa32b7 (diff)
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Clean up checking of objects
Diffstat (limited to 'lib/asn1')
-rw-r--r--lib/asn1/src/asn1ct_check.erl65
-rw-r--r--lib/asn1/src/asn1ct_gen_ber_bin_v2.erl12
-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl12
-rw-r--r--lib/asn1/test/error_SUITE.erl47
4 files changed, 97 insertions, 39 deletions
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index f94550b0a4..669d5734de 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -1557,21 +1557,32 @@ check_objectdefn(S,Def,CDef) when is_record(CDef,classdef) ->
exit({error,{objectdefn,Other}})
end.
-check_defaultfields(S,Fields,ClassFields) ->
- check_defaultfields(S,Fields,ClassFields,[]).
+check_defaultfields(S, Fields, ClassFields) ->
+ Present = ordsets:from_list([F || {F,_} <- Fields]),
+ Mandatory0 = get_mandatory_class_fields(ClassFields),
+ Mandatory = ordsets:from_list(Mandatory0),
+ All = ordsets:from_list([element(2, F) || F <- ClassFields]),
+ #state{type=T,tname=Obj} = S,
+ case ordsets:subtract(Present, All) of
+ [] ->
+ ok;
+ [_|_]=Invalid ->
+ throw(asn1_error(S, T, {invalid_fields,Invalid,Obj}))
+ end,
+ case ordsets:subtract(Mandatory, Present) of
+ [] ->
+ check_defaultfields_1(S, Fields, ClassFields, []);
+ [_|_]=Missing ->
+ throw(asn1_error(S, T, {missing_mandatory_fields,Missing,Obj}))
+ end.
-check_defaultfields(_S,[],_ClassFields,Acc) ->
+check_defaultfields_1(_S, [], _ClassFields, Acc) ->
{object,defaultsyntax,lists:reverse(Acc)};
-check_defaultfields(S,[{FName,Spec}|Fields],ClassFields,Acc) ->
- case lists:keysearch(FName,2,ClassFields) of
- {value,CField} ->
- {NewField,RestFields} =
- convert_to_defaultfield(S,FName,[Spec|Fields],CField),
- check_defaultfields(S,RestFields,ClassFields,[NewField|Acc]);
- _ ->
- throw({error,{asn1,{'unvalid field in object',FName}}})
- end.
-%% {object,defaultsyntax,Fields}.
+check_defaultfields_1(S, [{FName,Spec}|Fields], ClassFields, Acc) ->
+ CField = lists:keyfind(FName, 2, ClassFields),
+ {NewField,RestFields} =
+ convert_to_defaultfield(S, FName, [Spec|Fields], CField),
+ check_defaultfields_1(S, RestFields, ClassFields, [NewField|Acc]).
convert_definedsyntax(_S,[],[],_ClassFields,Acc) ->
lists:reverse(Acc);
@@ -1587,6 +1598,23 @@ convert_definedsyntax(S,Fields,WithSyntax,ClassFields,Acc) ->
[MatchedField|Acc])
end.
+get_mandatory_class_fields([{fixedtypevaluefield,Name,_,_,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([{objectfield,Name,_,_,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([{objectsetfield,Name,_,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([{typefield,Name,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([{variabletypevaluefield,Name,_,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([{variabletypevaluesetfield,
+ Name,_,'MANDATORY'}|T]) ->
+ [Name|get_mandatory_class_fields(T)];
+get_mandatory_class_fields([_|T]) ->
+ get_mandatory_class_fields(T);
+get_mandatory_class_fields([]) -> [].
+
match_field(S,Fields,WithSyntax,ClassFields) ->
match_field(S,Fields,WithSyntax,ClassFields,[]).
@@ -6867,11 +6895,22 @@ asn1_error(#state{mname=Where}, Item, Error) ->
format_error({already_defined,Name,PrevLine}) ->
io_lib:format("the name ~p has already been defined at line ~p",
[Name,PrevLine]);
+format_error({invalid_fields,Fields,Obj}) ->
+ io_lib:format("invalid ~s in ~p", [format_fields(Fields),Obj]);
+format_error({missing_mandatory_fields,Fields,Obj}) ->
+ io_lib:format("missing mandatory ~s in ~p",
+ [format_fields(Fields),Obj]);
format_error({undefined,Name}) ->
io_lib:format("'~s' is referenced, but is not defined", [Name]);
format_error(Other) ->
io_lib:format("~p", [Other]).
+format_fields([F]) ->
+ io_lib:format("field &~s", [F]);
+format_fields([H|T]) ->
+ [io_lib:format("fields &~s", [H])|
+ [io_lib:format(", &~s", [F]) || F <- T]].
+
error({_,{structured_error,_,_,_}=SE,_}) ->
SE;
error({export,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) ->
diff --git a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
index 5838e00392..de81259fcb 100644
--- a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
@@ -645,9 +645,6 @@ gen_encode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
% ", 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("Val"),
emit([" {Val,0}"]),
@@ -680,9 +677,6 @@ gen_encode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
% 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', ",{asis,Name},
@@ -815,9 +809,6 @@ gen_decode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
% ", 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(" Bytes"),
emit([" Bytes"]),
@@ -852,9 +843,6 @@ gen_decode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
% ", Bytes,[H|T]) ->",nl]),
% emit_tlv_format("Bytes"),
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', ",{asis,Name},
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index aefcdfecc8..588e03f432 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -295,9 +295,6 @@ gen_encode_objectfields(Erule, ClassName,
% ", 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("Val"),
case Erule of
@@ -341,9 +338,6 @@ gen_encode_objectfields(Erule,ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
% 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', ",{asis,Name},
@@ -459,9 +453,6 @@ gen_decode_objectfields(Erules, ClassName,
end,
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("Bytes"),
emit([" {Bytes,[]}"]),
@@ -496,9 +487,6 @@ gen_decode_objectfields(Erules, ClassName,
% 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', ",{asis,Name},
diff --git a/lib/asn1/test/error_SUITE.erl b/lib/asn1/test/error_SUITE.erl
index a94a6d95a0..6451f81c01 100644
--- a/lib/asn1/test/error_SUITE.erl
+++ b/lib/asn1/test/error_SUITE.erl
@@ -19,7 +19,7 @@
-module(error_SUITE).
-export([suite/0,all/0,groups/0,
- already_defined/1,enumerated/1]).
+ already_defined/1,enumerated/1,objects/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -30,7 +30,8 @@ all() ->
groups() ->
[{p,parallel(),[already_defined,
- enumerated]}].
+ enumerated,
+ objects]}].
parallel() ->
case erlang:system_info(schedulers) > 1 of
@@ -95,6 +96,48 @@ enumerated(Config) ->
} = run(P, Config),
ok.
+objects(Config) ->
+ M = 'Objects',
+ P = {M,
+ <<"Objects DEFINITIONS AUTOMATIC TAGS ::= BEGIN\n"
+ " obj1 CL ::= { &wrong 42 }\n"
+ " obj2 CL ::= { &wrong 1, &Wrong INTEGER }\n"
+ " obj3 CL ::= { &Data OCTET STRING }\n"
+ " obj4 SMALL ::= { &code 42 }\n"
+ " InvalidSet CL ::= { obj1 }\n"
+
+ " CL ::= CLASS {\n"
+ " &code INTEGER UNIQUE,\n"
+ " &enum ENUMERATED { a, b, c},\n"
+ " &Data,\n"
+ " &object CL,\n"
+ " &Set CL,\n"
+ " &vartypevalue &Data,\n"
+ " &VarTypeValue &Data\n"
+ " }\n"
+
+ " SMALL ::= CLASS {\n"
+ " &code INTEGER UNIQUE,\n"
+ " &i INTEGER\n"
+ " }\n"
+ "END\n">>},
+ {error,
+ [
+ {structured_error,{M,2},asn1ct_check,
+ {invalid_fields,[wrong],obj1}},
+ {structured_error,{M,3},asn1ct_check,
+ {invalid_fields,['Wrong',wrong],obj2}},
+ {structured_error,{M,4},asn1ct_check,
+ {missing_mandatory_fields,['Set','VarTypeValue',code,
+ enum,object,vartypevalue],obj3}},
+ {structured_error,{M,5},asn1ct_check,
+ {missing_mandatory_fields,[i],obj4}},
+ {structured_error,{M,6},asn1ct_check,
+ {invalid_fields,[wrong],'InvalidSet'}}
+ ]
+ } = run(P, Config),
+ ok.
+
run({Mod,Spec}, Config) ->