aboutsummaryrefslogtreecommitdiffstats
path: root/lib/dialyzer/src/dialyzer_races.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/dialyzer/src/dialyzer_races.erl')
-rw-r--r--lib/dialyzer/src/dialyzer_races.erl41
1 files changed, 20 insertions, 21 deletions
diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl
index b1f849b16f..48eb331239 100644
--- a/lib/dialyzer/src/dialyzer_races.erl
+++ b/lib/dialyzer/src/dialyzer_races.erl
@@ -85,9 +85,9 @@
-type race_tag() :: 'whereis_register' | 'whereis_unregister'
| 'ets_lookup_insert' | 'mnesia_dirty_read_write'.
-%% The following type is similar to the dial_warning() type but has a
+%% The following type is similar to the raw_warning() type but has a
%% tag which is local to this module and is not propagated to outside
--type dial_race_warning() :: {race_warn_tag(), file_line(), {atom(), [term()]}}.
+-type dial_race_warning() :: {race_warn_tag(), warning_info(), {atom(), [term()]}}.
-type race_warn_tag() :: ?WARN_WHEREIS_REGISTER | ?WARN_WHEREIS_UNREGISTER
| ?WARN_ETS_LOOKUP_INSERT | ?WARN_MNESIA_DIRTY_READ_WRITE.
@@ -312,10 +312,13 @@ race(State) ->
DepList = fixup_race_list(RaceWarnTag, VarArgs, State1),
{State2, RaceWarn} =
get_race_warn(Fun, Args, ArgTypes, DepList, State),
+ {File, Line} = FileLine,
+ CurrMFA = dialyzer_dataflow:state__find_function(CurrFun, State),
+ WarningInfo = {File, Line, CurrMFA},
race(
state__add_race_warning(
state__renew_race_tags(T, State2), RaceWarn, RaceWarnTag,
- FileLine))
+ WarningInfo))
end,
state__renew_race_tags([], RetState).
@@ -990,8 +993,7 @@ fixup_race_forward_helper(CurrFun, CurrFunLabel, Fun, FunLabel,
NewRaceVarMap, Args, NewFunArgs, NewFunTypes, NestingLevel};
{CurrFun, Fun} ->
NewCallsToAnalyze = lists:delete(Head, CallsToAnalyze),
- NewRaceVarMap =
- race_var_map(Args, NewFunArgs, RaceVarMap, bind),
+ NewRaceVarMap = race_var_map(Args, NewFunArgs, RaceVarMap, bind),
RetC =
case Fun of
InitFun ->
@@ -1018,8 +1020,7 @@ fixup_race_forward_helper(CurrFun, CurrFunLabel, Fun, FunLabel,
label = FunLabel, var_map = NewRaceVarMap,
def_vars = Args, call_vars = NewFunArgs,
arg_types = NewFunTypes}|
- lists:reverse(StateRaceList)] ++
- RetC;
+ lists:reverse(StateRaceList)] ++ RetC;
_ ->
[#curr_fun{status = in, mfa = Fun,
label = FunLabel, var_map = NewRaceVarMap,
@@ -1054,13 +1055,9 @@ fixup_race_backward(CurrFun, Calls, CallsToAnalyze, Parents, Height) ->
false -> [CurrFun|Parents]
end;
[Head|Tail] ->
- MorePaths =
- case Head of
- {Parent, CurrFun} -> true;
- {Parent, _TupleB} -> false
- end,
- case MorePaths of
- true ->
+ {Parent, TupleB} = Head,
+ case TupleB =:= CurrFun of
+ true -> % more paths are needed
NewCallsToAnalyze = lists:delete(Head, CallsToAnalyze),
NewParents =
fixup_race_backward(Parent, NewCallsToAnalyze,
@@ -1854,7 +1851,8 @@ ets_tuple_argtypes1(Str, Tuple, TupleList, NestingLevel) ->
end.
format_arg(?bypassed) -> ?no_label;
-format_arg(Arg) ->
+format_arg(Arg0) ->
+ Arg = cerl:fold_literal(Arg0),
case cerl:type(Arg) of
var -> cerl_trees:get_label(Arg);
tuple -> list_to_tuple([format_arg(A) || A <- cerl:tuple_es(Arg)]);
@@ -1884,7 +1882,7 @@ format_args_1([Arg|Args], [Type|Types], CleanState) ->
case Arg =:= ?bypassed of
true -> [?no_label, format_type(Type, CleanState)];
false ->
- case cerl:is_literal(Arg) of
+ case cerl:is_literal(cerl:fold_literal(Arg)) of
true -> [?no_label, format_cerl(Arg)];
false -> [format_arg(Arg), format_type(Type, CleanState)]
end
@@ -2154,7 +2152,8 @@ race_var_map_guard_helper1(Arg, Pats, RaceVarMap, Op) ->
end
end.
-race_var_map_guard_helper2(Arg, Pat, Bool, RaceVarMap, Op) ->
+race_var_map_guard_helper2(Arg, Pat0, Bool, RaceVarMap, Op) ->
+ Pat = cerl:fold_literal(Pat0),
case cerl:type(Pat) of
literal ->
[Arg1, Arg2] = cerl:call_args(Arg),
@@ -2328,7 +2327,7 @@ get_race_warnings_helper(Warnings, State) ->
[] ->
{dialyzer_dataflow:state__get_races(State), State};
[H|T] ->
- {RaceWarnTag, FileLine, {race_condition, [M, F, A, AT, S, DepList]}} = H,
+ {RaceWarnTag, WarningInfo, {race_condition, [M, F, A, AT, S, DepList]}} = H,
Reason =
case RaceWarnTag of
?WARN_WHEREIS_REGISTER ->
@@ -2351,7 +2350,7 @@ get_race_warnings_helper(Warnings, State) ->
"caused by its combination with ")
end,
W =
- {?WARN_RACE_CONDITION, FileLine,
+ {?WARN_RACE_CONDITION, WarningInfo,
{race_condition,
[M, F, dialyzer_dataflow:format_args(A, AT, S), Reason]}},
get_race_warnings_helper(T,
@@ -2381,12 +2380,12 @@ get_reason(DependencyList, Reason) ->
end
end.
-state__add_race_warning(State, RaceWarn, RaceWarnTag, FileLine) ->
+state__add_race_warning(State, RaceWarn, RaceWarnTag, WarningInfo) ->
case RaceWarn of
no_race -> State;
_Else ->
Races = dialyzer_dataflow:state__get_races(State),
- Warn = {RaceWarnTag, FileLine, RaceWarn},
+ Warn = {RaceWarnTag, WarningInfo, RaceWarn},
dialyzer_dataflow:state__put_races(add_race_warning(Warn, Races), State)
end.