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-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl18
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 410e370255..73b98f62ee 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -101,7 +101,7 @@
module :: module(),
name_map = dict:new() :: dict(),
next_label :: label(),
- non_self_recs = [] :: [label()],
+ self_recs :: [label()],
plt :: dialyzer_plt:plt(),
prop_types = dict:new() :: dict(),
records = dict:new() :: dict(),
@@ -2090,9 +2090,11 @@ new_state(SCC0, NextLabel, CallGraph, Plt, PropTypes) ->
NameMap = dict:from_list(List),
MFAs = [MFA || {MFA, _Var} <- List],
SCC = [mk_var(Fun) || {_MFA, {_Var, Fun}, _Rec} <- SCC0],
+ SelfRecs = [F || F <- SCC,
+ dialyzer_callgraph:is_self_rec(t_var_name(F), CallGraph)],
#state{callgraph = CallGraph, name_map = NameMap, next_label = NextLabel,
prop_types = PropTypes, plt = Plt, scc = ordsets:from_list(SCC),
- mfas = MFAs}.
+ mfas = MFAs, self_recs = ordsets:from_list(SelfRecs)}.
state__set_rec_dict(State, RecDict) ->
State#state{records = RecDict}.
@@ -2270,14 +2272,12 @@ state__get_cs(Var, #state{cmap = Dict}) ->
%% The functions here will not be treated as self recursive.
%% These functions will need to be handled as such manually.
-state__mark_as_non_self_rec(SCC, #state{non_self_recs = NS} = State) ->
- State#state{non_self_recs = ordsets:union(NS, ordsets:from_list(SCC))}.
+state__mark_as_non_self_rec(SCC, #state{self_recs = SelfRecs} = State) ->
+ %% TODO: Check if the result is always empty and just set it to [] if so.
+ State#state{self_recs = ordsets:subtract(SelfRecs, ordsets:from_list(SCC))}.
-state__is_self_rec(Fun, #state{callgraph = CallGraph, non_self_recs = NS}) ->
- case ordsets:is_element(Fun, NS) of
- true -> false;
- false -> dialyzer_callgraph:is_self_rec(t_var_name(Fun), CallGraph)
- end.
+state__is_self_rec(Fun, #state{self_recs = SelfRecs}) ->
+ ordsets:is_element(Fun, SelfRecs).
state__store_funs(Vars0, Funs0, #state{fun_map = Map} = State) ->
debug_make_name_map(Vars0, Funs0),