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-rw-r--r--lib/asn1/src/asn1ct_check.erl69
1 files changed, 25 insertions, 44 deletions
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index c20395aaeb..e788aa5c6c 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -270,46 +270,30 @@ check_exports(S,Module = #module{}) ->
end
end.
-check_imports(S,Module = #module{ }) ->
- case Module#module.imports of
- {imports,[]} ->
- [];
- {imports,ImportList} when is_list(ImportList) ->
- check_imports2(S,ImportList,[]);
- _ ->
- []
- end.
-check_imports2(_S,[],Acc) ->
+check_imports(S, #module{imports={imports,Imports}}) ->
+ check_imports_1(S, Imports, []).
+
+check_imports_1(_S, [], Acc) ->
Acc;
-check_imports2(S,[#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs],Acc) ->
- NameOfDef =
- fun(#'Externaltypereference'{type=N}) -> N;
- (#'Externalvaluereference'{value=N}) -> N
- end,
- Module = NameOfDef(ModuleRef),
- Refs = [{M,R}||{{M,_},R} <- [{catch get_referenced_type(S,Ref),Ref}||Ref <- Imports]],
- {Illegal,Other} = lists:splitwith(fun({error,_}) -> true;(_) -> false end,
- Refs),
- ChainedRefs = [R||{M,R} <- Other, M =/= Module],
- IllegalRefs = [R||{error,R} <- Illegal] ++
- [R||{M,R} <- ChainedRefs,
- ok =/= chained_import(S,Module,M,NameOfDef(R))],
- ReportError =
- fun(Ref) ->
- NewS=S#state{type=Ref,tname=NameOfDef(Ref)},
- error({import,"imported undefined entity",NewS})
- end,
- check_imports2(S,SFMs,[ReportError(Err)||Err <- IllegalRefs]++Acc).
+check_imports_1(S, [#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs], Acc0) ->
+ Module = name_of_def(ModuleRef),
+ Refs0 = [{catch get_referenced_type(S, Ref),Ref} || Ref <- Imports],
+ Refs = [{M,R} || {{M,_},R} <- Refs0],
+ {Illegal,Other} = lists:splitwith(fun({error,_}) -> true;
+ (_) -> false
+ end, Refs),
+ ChainedRefs = [R || {M,R} <- Other, M =/= Module],
+ IllegalRefs = [R || {error,R} <- Illegal] ++
+ [R || {M,R} <- ChainedRefs,
+ ok =/= chained_import(S, Module, M, name_of_def(R))],
+ Acc = [return_asn1_error(S, Ref, {undefined_import,name_of_def(Ref),Module}) ||
+ Ref <- IllegalRefs] ++ Acc0,
+ check_imports_1(S, SFMs, Acc).
chained_import(S,ImpMod,DefMod,Name) ->
%% Name is a referenced structure that is not defined in ImpMod,
%% but must be present in the Imports list of ImpMod. The chain of
%% imports of Name must end in DefMod.
- NameOfDef =
- fun(#'Externaltypereference'{type=N}) -> N;
- (#'Externalvaluereference'{value=N}) -> N;
- (Other) -> Other
- end,
GetImports =
fun(_M_) ->
case asn1_db:dbget(_M_,'MODULE') of
@@ -321,9 +305,9 @@ chained_import(S,ImpMod,DefMod,Name) ->
FindNameInImports =
fun([],N,_) -> {no_mod,N};
([#'SymbolsFromModule'{symbols=Imports,module=ModuleRef}|SFMs],N,F) ->
- case [NameOfDef(X)||X <- Imports, NameOfDef(X) =:= N] of
+ case [name_of_def(X) || X <- Imports, name_of_def(X) =:= N] of
[] -> F(SFMs,N,F);
- [N] -> {NameOfDef(ModuleRef),N}
+ [N] -> {name_of_def(ModuleRef),N}
end
end,
case GetImports(ImpMod) of
@@ -6787,6 +6771,8 @@ format_error({namelist_redefinition,Name}) ->
io_lib:format("the name '~s' can not be redefined", [Name]);
format_error({undefined,Name}) ->
io_lib:format("'~s' is referenced, but is not defined", [Name]);
+format_error({undefined_import,Ref,Module}) ->
+ io_lib:format("'~s' is not exported from ~s", [Ref,Module]);
format_error({value_reused,Val}) ->
io_lib:format("the value '~p' is used more than once", [Val]);
format_error(Other) ->
@@ -6804,14 +6790,6 @@ error({export,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) ->
Pos = Ref#'Externaltypereference'.pos,
io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]),
{error,{export,Pos,Mname,Typename,Msg}};
-error({import,Msg,#state{mname=Mname,type=Ref,tname=Typename}}) ->
- PosOfDef =
- fun(#'Externaltypereference'{pos=P}) -> P;
- (#'Externalvaluereference'{pos=P}) -> P
- end,
- Pos = PosOfDef(Ref),
- io:format("asn1error:~p:~p:~p~n~p~n",[Pos,Mname,Typename,Msg]),
- {error,{import,Pos,Mname,Typename,Msg}};
% error({type,{Msg1,Msg2},#state{mname=Mname,type=Type,tname=Typename}})
% when is_record(Type,typedef) ->
% io:format("asn1error:~p:~p:~p ~p~n",
@@ -7112,3 +7090,6 @@ check_fold(S, [H|T], Check) ->
[Error|check_fold(S, T, Check)]
end;
check_fold(_, [], Check) when is_function(Check, 3) -> [].
+
+name_of_def(#'Externaltypereference'{type=N}) -> N;
+name_of_def(#'Externalvaluereference'{value=N}) -> N.