diff options
Diffstat (limited to 'lib/dialyzer')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_typesig.erl | 59 |
1 files changed, 33 insertions, 26 deletions
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl index a0a69cb2ea..e04ea51a80 100644 --- a/lib/dialyzer/src/dialyzer_typesig.erl +++ b/lib/dialyzer/src/dialyzer_typesig.erl @@ -100,6 +100,7 @@ -record(state, {callgraph :: dialyzer_callgraph:callgraph() | 'undefined', + cserver :: dialyzer_codeserver:codeserver(), cs = [] :: [constr()], cmap = maps:new() :: #{type_var() => constr()}, fun_map = maps:new() :: typesig_funmap(), @@ -113,7 +114,7 @@ plt :: dialyzer_plt:plt() | 'undefined', prop_types = dict:new() :: prop_types(), - records = maps:new() :: types(), + mod_records = [] :: [{module(), types()}], scc = [] :: ordsets:ordset(type_var()), mfas :: [mfa()], solvers = [] :: [solver()] @@ -177,9 +178,7 @@ analyze_scc(SCC, NextLabel, CallGraph, CServer, Plt, PropTypes, Solvers0) -> State1 = new_state(SCC, NextLabel, CallGraph, CServer, Plt, PropTypes, Solvers), DefSet = add_def_list(maps:values(State1#state.name_map), sets:new()), - ModRecs = [{M, dialyzer_codeserver:lookup_mod_records(M, CServer)} || - M <- lists:usort([M || {M, _, _} <- SCC])], - State2 = traverse_scc(SCC, CServer, DefSet, ModRecs, State1), + State2 = traverse_scc(SCC, CServer, DefSet, State1), State3 = state__finalize(State2), Funs = state__scc(State3), pp_constrs_scc(Funs, State3), @@ -196,15 +195,14 @@ solvers(Solvers) -> Solvers. %% %% ============================================================================ -traverse_scc([{M,_,_}=MFA|Left], Codeserver, DefSet, ModRecs, AccState) -> +traverse_scc([{M,_,_}=MFA|Left], Codeserver, DefSet, AccState) -> + TmpState1 = state__set_module(AccState, M), Def = dialyzer_codeserver:lookup_mfa_code(MFA, Codeserver), - {M, Rec} = lists:keyfind(M, 1, ModRecs), - TmpState1 = state__set_rec_dict(AccState, Rec), DummyLetrec = cerl:c_letrec([Def], cerl:c_atom(foo)), TmpState2 = state__new_constraint_context(TmpState1), {NewAccState, _} = traverse(DummyLetrec, DefSet, TmpState2), - traverse_scc(Left, Codeserver, DefSet, ModRecs, NewAccState); -traverse_scc([], _Codeserver, _DefSet, _ModRecs, AccState) -> + traverse_scc(Left, Codeserver, DefSet, NewAccState); +traverse_scc([], _Codeserver, _DefSet, AccState) -> AccState. traverse(Tree, DefinedVars, State) -> @@ -470,12 +468,11 @@ traverse(Tree, DefinedVars, State) -> true -> %% Check if a record is constructed. Arity = length(Fields), - Records = State2#state.records, - case lookup_record(Records, cerl:atom_val(Tag), Arity) of - error -> {State2, TupleType}; - {ok, RecType} -> - State3 = state__store_conj(TupleType, sub, RecType, State2), - {State3, TupleType} + case lookup_record(State2, cerl:atom_val(Tag), Arity) of + {error, State3} -> {State3, TupleType}; + {ok, RecType, State3} -> + State4 = state__store_conj(TupleType, sub, RecType, State3), + {State4, TupleType} end; false -> {State2, TupleType} end; @@ -1440,7 +1437,6 @@ get_bif_constr({erlang, is_record, 2}, Dst, [Var, Tag] = Args, _State) -> mk_constraint(Var, sub, ArgV)]); get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> %% TODO: Revise this to make it precise for Tag and Arity. - Records = State#state.records, ArgFun = fun(Map) -> case t_is_any_atom(true, lookup_type(Dst, Map)) of @@ -1457,10 +1453,10 @@ get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> GenRecord = t_tuple([TagType|AnyElems]), case t_atom_vals(TagType) of [TagVal] -> - case lookup_record(Records, TagVal, ArityVal - 1) of - {ok, Type} -> + case lookup_record(State, TagVal, ArityVal - 1) of + {ok, Type, _NewState} -> Type; - error -> GenRecord + {error, _NewState} -> GenRecord end; _ -> GenRecord end; @@ -2733,10 +2729,11 @@ new_state(MFAs, NextLabel, CallGraph, CServer, Plt, PropTypes, Solvers) -> end, #state{callgraph = CallGraph, name_map = NameMap, next_label = NextLabel, prop_types = PropTypes, plt = Plt, scc = ordsets:from_list(SCC), - mfas = MFAs, self_rec = SelfRec, solvers = Solvers}. + mfas = MFAs, self_rec = SelfRec, solvers = Solvers, + cserver = CServer}. -state__set_rec_dict(State, RecDict) -> - State#state{records = RecDict}. +state__set_module(State, Module) -> + State#state{module = Module}. state__set_in_match(State, Bool) -> State#state{in_match = Bool}. @@ -3348,15 +3345,25 @@ fold_literal_maybe_match(Tree0, State) -> true -> dialyzer_utils:refold_pattern(Tree1) end. -lookup_record(Records, Tag, Arity) -> - case erl_types:lookup_record(Tag, Arity, Records) of +lookup_record(State, Tag, Arity) -> + #state{module = M, mod_records = ModRecs, cserver = CServer} = State, + {State1, Rec} = + case lists:keyfind(M, 1, ModRecs) of + {M, Rec0} -> + {State, Rec0}; + false -> + Rec0 = dialyzer_codeserver:lookup_mod_records(M, CServer), + NewModRecs = [{M, Rec0}|ModRecs], + {State#state{mod_records = NewModRecs}, Rec0} + end, + case erl_types:lookup_record(Tag, Arity, Rec) of {ok, Fields} -> RecType = t_tuple([t_from_term(Tag)| [FieldType || {_FieldName, _Abstr, FieldType} <- Fields]]), - {ok, RecType}; + {ok, RecType, State1}; error -> - error + {error, State1} end. is_literal_record(Tree) -> |