[erlang-bugs] erl_syntax fails to revert imports

[Richard Carlsson]

Thanks for the report,

	/Richard

Ulf Wiger wrote:
> We discovered that erl_syntax doesn't handle packaged module names in
> import clauses (actually, it handles it in -import(M), but not
> -import(M,[...]).)
> 
> The following patch seems to do the trick.
> 
> BR,
> Ulf W
> 
> uwiger$ diff erl_syntax.erl $R11B_2/lib/syntax_tools/src/erl_syntax.erl
> 2987,3003d2986
> <     Revert_list =
> <       fun(Mod) ->
> <               case is_list_skeleton(List) of
> <                   true ->
> <                       case is_proper_list(List) of
> <                           true ->
> <                               Fs = fold_function_names(
> <                                      list_elements(List)),
> <                               {attribute, Pos, import,
> <                                {Mod, Fs}};
> <                           false ->
> <                               Node
> <                       end;
> <                   false ->
> <                       Node
> <               end
> <       end,
> 3006,3011c2989,3000
> <           Revert_list(concrete(A));
> <       qualified_name ->
> <           case revert_module_name(A) of
> <               {ok, Ar} ->
> <                   Revert_list(Ar);
> <               error ->
> ---
>>           case is_list_skeleton(List) of
>>               true ->
>>                   case is_proper_list(List) of
>>                       true ->
>>                           Fs = fold_function_names(
>>                                  list_elements(List)),
>>                           {attribute, Pos, import,
>>                            {concrete(A), Fs}};
>>                       false ->
>>                           Node
>>                   end;
>>               false ->
> 
> 
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