diff options
| -rw-r--r-- | lib/dialyzer/src/dialyzer_typesig.erl | 18 |
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), |