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-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl13
-rw-r--r--lib/dialyzer/src/dialyzer_succ_typings.erl33
2 files changed, 32 insertions, 14 deletions
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 7137dbc036..8cb16d8f09 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -1414,6 +1414,17 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map,
false ->
true
end;
+ [Pat0, Pat1] -> % binary comprehension
+ case cerl:is_c_cons(Pat0) of
+ true ->
+ not (cerl:is_c_var(cerl:cons_hd(Pat0)) andalso
+ cerl:is_c_var(cerl:cons_tl(Pat0)) andalso
+ cerl:is_c_var(Pat1) andalso
+ cerl:is_literal(Guard) andalso
+ (cerl:concrete(Guard) =:= true));
+ false ->
+ true
+ end;
_ -> true
end;
false ->
@@ -2915,7 +2926,7 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
{Warn, Msg} =
case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
error -> {true, {unused_fun, []}};
- {ok, {_M, F, A}} = MFA ->
+ {ok, {_M, F, A} = MFA} ->
{not sets:is_element(MFA, NoWarnUnused),
{unused_fun, [F, A]}}
end,
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl
index b8da57d3f9..dc5a3fed37 100644
--- a/lib/dialyzer/src/dialyzer_succ_typings.erl
+++ b/lib/dialyzer/src/dialyzer_succ_typings.erl
@@ -158,20 +158,27 @@ postprocess_dataflow_warns([], _State, WAcc, Acc) ->
postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest],
#st{codeserver = Codeserver} = State, WAcc, Acc) ->
{contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg,
- {ok, {{ContrF, _ContrL} = FileLine, _C}} =
- dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver),
- case CallF =:= ContrF of
- true ->
+ case dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver) of
+ {ok, {{ContrF, _ContrL} = FileLine, _C}} ->
+ case CallF =:= ContrF of
+ true ->
+ NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
+ W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg},
+ Filter =
+ fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false;
+ (_) -> true
+ end,
+ FilterWAcc = lists:filter(Filter, WAcc),
+ postprocess_dataflow_warns(Rest, State, FilterWAcc, [W|Acc]);
+ false ->
+ postprocess_dataflow_warns(Rest, State, WAcc, Acc)
+ end;
+ error ->
+ %% The contract is not in a module that is currently under analysis.
+ %% We display the warning in the file/line of the call.
NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
- W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg},
- Filter =
- fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false;
- (_) -> true
- end,
- FilterWAcc = lists:filter(Filter, WAcc),
- postprocess_dataflow_warns(Rest, State, FilterWAcc, [W|Acc]);
- false ->
- postprocess_dataflow_warns(Rest, State, WAcc, Acc)
+ W = {?WARN_CONTRACT_RANGE, {CallF, CallL}, NewMsg},
+ postprocess_dataflow_warns(Rest, State, WAcc, [W|Acc])
end;
postprocess_dataflow_warns([W|Rest], State, Wacc, Acc) ->
postprocess_dataflow_warns(Rest, State, Wacc, [W|Acc]).